This application is a National Stage Entry under 35 U.S.C. § 371 of International Application No. PCT/CN2019/103825, filed on Aug. 30, 2019, which is based on and claims priority to Chinese Patent Application Serial No. 201921063126.8, filed on Jul. 8, 2019, and Chinese Patent Application Serial No. 201921058404.0, filed on Jul. 8, 2019, the entire contents of all of which are incorporated herein by reference.
The present application relates to a technical field of air conditioning, and more particularly to an air conditioner.
In the related art, an electric control box is under a face frame. When mounting or maintenance operation of an electric control board is needed, a panel needs to be opened first, and then the face frame is removed, so as to operate the electric control box. In some models, the face frame includes a large opening at a right side thereof, and the electric control board can be removed through the opening. The large opening is closed with a cover plate, it is necessary to remove the cover plate first so as to operate the electric control box, resulting in relatively cumbersome operations.
The present application seeks to solve at least one of the problems existing in the related art to at least some extent.
To this end, one objective of the present application is to propose an air conditioner, an electric control box of the air conditioner is easy to dismount and mount.
The air conditioner according to embodiments of the present application includes a chassis; a face frame covering on the chassis; an electric control box mounted at the face frame and located at a front portion of the face frame, at least a portion of the electric control box being detachably connected to the face frame; and a panel openably covering the front portion of the face frame, the electric control box facing the panel in a front-and-rear direction.
In the air conditioner according to embodiments of the present application, the electric control box is mounted at the front portion of the face frame, at least a portion of the electric control box is detachably connected to the face frame, and the panel faces the electric control box in the front-and-rear direction, thereby facilitating maintenance of the electric control box.
Additionally, the air conditioner according to embodiments of the present application may further have the following additional technical features.
According to an embodiment of the present application, an entirety of the electric control box is detachably mounted at the face frame.
According to an embodiment of the present application, an upper end of the electric control box is inserted into an upper side of the front portion of the face frame, and a lower end of the electric control box is provided with a first overlapping part overlapped at a front surface of a lower side of the front portion of the face frame, and the first overlapping part is detachably connected to the face frame.
According to an embodiment of the present application, the electric control box is disposed at least one end of the face frame in a left-and-right direction, the electric control box is provided with a second overlapping part overlapped at a front surface of the corresponding end of the face frame, and the second overlapping part is detachably connected to the face frame.
According to an embodiment of the present application, the front portion of the face frame has an opening part, and at least a portion of the electric control box is detachably disposed in the opening part.
According to an embodiment of the present application, the electric control box includes a box body and a box cover, the box body is internally formed with an accommodating cavity having an open front portion and adapted to position an electric control board, and the box cover openably covers an open side of the box body.
According to an embodiment of the present application, the box cover is turnably or detachably connected to the box body.
According to an embodiment of the present application, the box body comprises a first inner housing and a first sheet metal part, the first sheet metal part wraps an outer side of the first inner housing, and the first sheet metal part is undetachably or detachably connected to the first inner housing; or the box cover includes a second inner housing and a second sheet metal part, the second sheet metal part wraps an outer side of the second inner housing, and the second sheet metal part is undetachably or detachably connected to the second inner housing.
According to an embodiment of the present application, the face frame and the chassis are detachably connected.
According to an embodiment of the present application, the panel is rotatably or turnably connected to the face frame.
According to an embodiment of the present application, the face frame has an overlapping groove recessed rearwards; and the electric control box includes a wire passage part internally having a wire passage groove, the wire passage groove is in communication with an internal space of the electric control box, and the wire passage part is embedded in the overlapping groove.
According to an embodiment of the present application, the panel is hinged with the face frame.
According to another embodiment of the present application, the electric control box includes: a first inner housing having an opening and a first connection face; a second inner housing detachably connected to the first inner housing to open and close the opening, the second inner housing having the second connection face fitted to the first connection face, in which one of the first inner housing and the second inner housing has a water stop part extending into the other thereof, and the water stop part is located inside fitting place between the first connection face and the second connection face.
According to an embodiment of the present application, the second inner housing has a flange part extending towards the first inner housing, and the water stop part is disposed on an inner side of the flange part and the water stop part and the flange part are oppositely arranged.
According to an embodiment of the present application, an end face of the flange part forms the second connection face.
According to an embodiment of the present application, the water stop part is arranged adjacent to the opening, and the first connection face is disposed outside the water stop part and lower than an end face of the water stop part.
According to an embodiment of the present application, the flange part and the water stop part are spaced apart from each other.
According to an embodiment of the present application, a length of an overlapping portion between the flange part and the water stop part is greater than or equal to 1 millimeter in an extending direction of the flange part.
According to an embodiment of the present application, the water stop part is oriented in an extending direction of an edge of the opening.
According to an embodiment of the present application, the electric control box further includes a first sheet metal part covering an outer side of the first inner housing and connected to the first inner housing; a second sheet metal part covering an outer side of the second inner housing and connected to the second inner housing, in which the second sheet metal part has a blocking part extending towards the first sheet metal part, and the blocking part extends beyond fitting place between the first connection face and the second connection face.
According to an embodiment of the present application, the first inner housing is fitted to the first sheet metal part by snap-fit; and/or the second inner housing is fitted to the second sheet metal part by snap-fit.
According to an embodiment of the present application, one of the first inner housing and the first sheet metal part has a first snap, and the other thereof has a first snap hole fitted to the first snap; and/or one of the second inner housing and the second sheet metal part has a second snap, and the other thereof has a second snap hole fitted to the second snap.
According to an embodiment of the present application, one of the first inner housing and the first sheet metal part has a first insertion groove, and the other thereof has a first insertion part fitted to the first insertion groove to cause the first sheet metal part to be in tight contact with the first inner housing; and/or one of the second inner housing and the second sheet metal part has a second insertion groove, and the other thereof has a second insertion part fitted to the second insertion groove to cause the second sheet metal part to be in tight contact with the second inner housing.
According to an embodiment of the present application, the air conditioner includes a housing internally provided with a mounting cavity; an indoor heat exchanger disposed in the mounting cavity; an indoor fan disposed in the mounting cavity; and an electric control box according to the above-described embodiments, the electric control box being disposed in the mounting cavity and located at a shaft side of the indoor fan.
According to an embodiment of the present application, the electric control box is located at a side of the indoor heat exchanger, and a side of the electric control box near the indoor heat exchanger matches a shape of the indoor heat exchanger.
Additional aspects and advantages of the present application will be given in part in the following descriptions, become apparent in part from the following descriptions, or be learned from the practice of the present application.
These and other aspects and advantages of embodiments of the present application will become apparent and more readily appreciated from the following descriptions made with reference to the drawings, in which:
Reference numerals: air conditioner 100; chassis 10; face frame 20; opening part 201; insertion hole 21; limiting part 22; support beam 23; overlapping groove 231; electric control box 30; hook 31; first overlapping part 32; second overlapping part 33; box body 34; first inner housing 341; first sheet metal part 342; box cover 35; second inner housing 351; second sheet metal part 352; electric control board 36; wire passage part 37; wire passage groove 371; rib 372; screw column 38; screw hole 39; panel 40; indoor heat exchanger 50; air-inlet grille 60; passage opening 101; second snap protrusion 111; second flange 112; insertion groove 113; second guide face 114; fixing sheet 115; first snap hole 117; first insertion part 118, first snap protrusion 121; first flange 122; insertion projection 123; first guide face 124; handle 125; second snap hole 126; blocking part 130; body part 200; opening 202; isolation gap 203; sub-zone 204; first snap 211; first connection face 212; first insertion groove 213; isolation rib 214; second snap 221; second connection face 223; flange part 224; water stop part 230; housing 2.
Embodiments of the present application will be described in detail and examples of the embodiments will be illustrated in the drawings, where same or similar reference numerals are used to indicate same or similar members or members with same or similar functions. The embodiments described herein with reference to drawings are explanatory, illustrative, and intended to generally understand the present application. The embodiments shall not be construed to limit the present application.
In the following, an air conditioner 100 according to embodiments of the present application will be described with reference to
An up-and-down direction, a left-and-right direction, and a front-and-rear direction recited in the present application are as illustrated in
As illustrated in
Specifically, as illustrated in
Additionally, at least a portion of the electric control box 30 is detachably connected to the face frame 20. An entirety of the electric control box 30 may be detachably connected to the face frame 20. In this way, the entirety of the electric control box 30 can be dismounted when maintenance of the electric control box 30 is needed. It could be understood that, an indoor unit for the air conditioner 100, in particular a wall-mounted indoor unit for the air conditioner 100, generally has a high mounting position, which brings trouble to the maintenance of the electric control box 30. The electric control box 30 may be entirely dismounted and mounted, such that the entirety of the electric control box can be removed by the operator, and the electric control box 30 can be maintained on the ground, thereby facilitating the maintenance. Alternatively, a portion of the electric control box 30 is detachably connected to the face frame 20. In this way, after completion of the maintenance, just the detached portion needs to be remounted, thereby reducing mounting steps. For example, a side of the electric control box 30 opposite the panel 40 is detachable.
As illustrated in
Thus, in the air conditioner 100 according to embodiments of the present application, the electric control box 30 is mounted at the front portion of the face frame 20, at least a portion of the electric control box 30 is detachably connected to the face frame 20, and the electric control box 30 faces the panel 40 in the front-and-rear direction, thereby improving convenience of the electric control box 30 and facilitating maintenance, mounting and dismounting of the electric control box 30.
In some embodiments, the entirety of the electric control box 30 is detachably mounted at the face frame 20. Certainly, the above-described embodiments are merely illustrative, and cannot be construed to limit protection scope of the present application. For example, the electric control box 30 may also be partially and detachably connected to the face frame 20. Certainly, the electric control box 30 may have a portion detachably connected to the face frame 20, while its entirety is detachably connected to the face frame 20. By taking the latter as an example, the operator can choose to entirely or partially remove the electric control box 30 according to actual situation, thereby increasing selectivity for the operator and facilitating improvement of the maintenance efficiency.
In some optional embodiments, as illustrated in
Certainly, the above-described embodiments are merely illustrative, and cannot be construed to limit protection scope of the present application. For example, the upper end of the electric control box 30 may also be screwed to the upper side of the front portion of the face frame 20.
In some optional embodiments, as illustrated in
In some embodiments, as illustrated in
In some embodiments, as illustrated in
In some optional embodiments, the box cover 35 is turnably or detachably connected to the box body 34. In the form in which the box cover 35 is arranged to be turnably connected to the box body 34, the box body 34 can be opened just by turning the box cover 35, and the box body 34 can be closed just by turning the box cover 35 again after the completion of the maintenance, resulting in a simple operation and a convenient maintenance. In the form in which the box cover 35 is arranged to be detachably connected to the box body 34, the box cover 35 is removed from the box body 34, and the box cover 35 is mounted at the box body 34 after completion of maintenance to close the accommodating cavity. The box cover 35 and the box body 34 can be connected by snap-fit, screw connection, etc.
In some embodiments, as illustrated in
In some embodiments, as illustrated in
In some embodiments, the face frame 20 is detachably connected to the chassis 10. Thus, when the maintenance of the chassis 10 is needed, the chassis 10 is removed from the face frame 20, and the operator can operate the chassis 10 on the ground, facilitating the maintenance. For instance, the face frame 20 is provided with a maintenance opening that opens forwards, the chassis 10 can extend into and withdraw from the maintenance opening, and the face frame 20 and the chassis 10 are connected by snap-fit.
In some optional embodiments, as illustrated in
In some embodiments, as illustrated in
The wire passage groove 371 is used for wiring, in some specific embodiments, the wire passage part 37 is internally provided with a harness fixing structure, and the harness fixing structure is used to fix the harness. Further, as illustrated in
In some embodiments, as illustrated in
In some embodiments, the electric control box 30 is detachably connected to the face frame 20; the face frame 20 is detachably connected to the chassis 10; the panel 40 is detachably connected to the face frame 20 or the panel 40 is turnable to open the face frame 20; the indoor heat exchanger 50 is detachably connected to the chassis 10; the electric control box 30 includes the box cover 35 and the box body 34; the box cover 35 is detachably connected to the box body 34; the box cover 35 includes the first inner housing 341 and the first sheet metal part 342, and the first inner housing 341 is detachably connected to the first sheet metal part 342; the box body 34 includes the second inner housing 351 and the second sheet metal part 352, and the second inner housing 351 is detachably connected to the second sheet metal part 352.
In one specific embodiment, as illustrated in
As illustrated in
The electric control box 30 according to embodiments of the present application will be described below with reference to the drawings.
An electric control box of the related art, such as an electric control box for the air conditioner, is disposed in a dry environment and is not waterproof. However, when the electric control box is in a humid environment, moisture easily enters an interior of the electric control box, affects normal use of components and parts inside the electric control box, and easily causes damage of the components and parts, thereby affecting operational reliability and stability of the electric control box and affecting service life of the electric control box.
As illustrated in
The inner housing 341 has an opening 202, and the first inner housing 341 has a first connection face 212. The second inner housing 351 and the first inner housing 341 are detachably connected to open and close the opening 202, and the second inner housing 351 has a second connection face 223 fitted to the first connection face 212. One of the first inner housing 341 and the second inner housing 351 has a water stop part 230 extending into the other thereof, and the water stop part 230 is located inside fitting place between the first connection face 212 and the second connection face 223.
In the electric control box 30 according to embodiments of the present application, the first inner housing 341 has the first connection face 212, and the second inner housing 351 has the second connection face 223 fitted to the first connection face 212. In this way, a contact fit between the first inner housing 341 and the second inner housing 351 can be realized by using the first connection face 212 and the second connection face 223, a large gap between the first inner housing 341 and the second inner housing 351 can be avoided, the probability that the moisture enters its interior through the gap between the first inner housing 341 and the second inner housing 351 can be reduced, sealing performance of the junction between the first inner housing 341 and the second inner housing 351 can be improved, and the waterproof performance of the electric control box 30 can be improved.
Furthermore, one of the first inner housing 341 and the second inner housing 351 has the water stop part 230 extending into the other thereof, and the water stop part 230 is located inside the fitting place between the first connection face 212 and the second connection face 223. In this way, the water stop part 230 can be used to obstruct the moisture, the probability that the moisture enters the interior of electric control box 30 can be reduced, the water stop part 230 can also be used to obstruct the moisture even if the moisture enters through the fitting place between the first connection face 212 and the second connection face 223, the moisture can be prevented from entering interiors of the first inner housing 341 and the second inner housing 351 through the opening 202, the waterproof performance of the electric control box 30 can be improved, the moisture can be prevented from entering which otherwise affects normal operation of the electric control box 30 and even causes damage of the electric control box 30, thereby facilitating improvement of the operational reliability and stability of the electric control box 30, the service life of the electric control box 30, and the functionality and applicability of the electric control box 30.
Therefore, the electric control box 30 according to embodiments of the present application has advantages of good waterproof effect, high reliability, etc.
The electric control box 30 according to specific embodiments of the present application will be described below with reference to the drawings.
In some specific embodiments of the present application, as illustrated in
Specifically, as illustrated in
More specifically, an end face of the flange part 224 forms the second connection face 223. In this way, the formation of the second connection face 223 is facilitated, and the fitting and mounting of the first inner housing 341 and the second inner housing 351 are facilitated.
Optionally, the water stop part 30 is disposed adjacent to the opening 202, and the first connection face 212 is disposed at an outer side of the water stop part 230 and lower than an end face of the water stop part 230. In this way, the water stop part 230 is used to block out the moisture, thereby protecting the opening 202, preventing the moisture from entering interiors of the first inner housing 341 and the second inner housing 351 through the opening 202, and improving the waterproof performance of the electric control box 30.
Specifically, the flange part 224 and the water stop part 230 are spaced apart from each other. In this way, the flange part 224 is prevented from interfering with the water stop part 230, and the smooth mounting of the first inner housing 341 and the second inner housing 351 is facilitated.
Optionally, in an extending direction of the flange part 224, a length of an overlapping portion between the flange part 224 and the water stop part 230 is greater than or equal to 1 millimeter. In this way, the overlapping portion between the flange part 224 and the water stop part 230 is enabled to have an enough length, the flange part 224 and the water stop part 230 can be conveniently used to obstruct the moisture, and the waterproof performance of the electric control box 30 can be improved.
In some embodiments of the present application, the water stop part 230 is oriented in an extending direction of an edge of the opening 202. In this way, the opening 202 is conveniently and better protected by the water stop part 230, and the moisture is prevented from entering an interior of the opening 202.
In some specific embodiments of the present application, the opening 202 is formed in a front surface of the first inner housing 341, the second inner housing 351 is located in front of the first inner housing 341 and covers an outer side of the first inner housing 341, and the water stop part 230 is oriented in a horizontal direction.
Optionally, as illustrated in
Further, the first inner housing 341 is fitted to the first sheet metal part 342 by snap-fit; and/or, the second inner housing 351 is fitted to the second sheet metal part 352 by snap-fit. In this way, mounting and dismounting of the first sheet metal part 342 and the first inner housing 341 as well as the second sheet metal part 352 and the second inner housing 351 is facilitated, connection strength and reliability between the first sheet metal part 342 and the first inner housing 31 is improved, and connection strength and reliability between the second sheet metal part 352 and the second inner housing 351 is improved.
Specifically, as illustrated in
More specifically, a plurality of first snaps 211 are provided and arranged in a circumferential direction of the electric control box 30, a plurality of second snap holes 126 are provided and arranged in the circumferential direction of the electric control box 30, and the first snaps 211 have a one-to-one correspondence with the first snap holes 117. A plurality of second snaps 221 are provided and arranged in the circumferential direction of the electric control box 30, a plurality of second snap holes 126 are provided and arranged in the circumferential direction of the electric control box 30, and the second snaps 221 have a one-to-one correspondence with the second snap holes 126. A size of the first snap 211 is greater than or equal to a size of the second snap 221, and an area of the first snap hole 117 is greater than or equal to an area of the second snap hole 126. In this way, the connection strength between the first sheet metal part 342 and the first inner housing 341 is conveniently improved to enable more uniform stress between the first sheet metal part 342 and the first inner housing 341, and the connection strength between the second sheet metal part 352 and the second inner housing 351 is conveniently improved to enable more uniform stress between the second sheet metal part 352 and the second inner housing 351.
Optionally, as illustrated in
Specifically, the first sheet metal part 342 and the second sheet metal part 352 are made of metal materials. In this way, structural strength and connection reliability of the first sheet metal part 342 and the second sheet metal part 352 can be improved, and the first inner housing 341 and the second inner housing 351 can be conveniently protected.
More specifically, both the first sheet metal part 342 and the second sheet metal part 352 are sheet metal parts. In this way, not only production and machining of the first sheet metal part 342 and the second sheet metal part 352 are facilitated, and production efficiency of the first sheet metal part 342 and the second sheet metal part 352 are improved, but also enhancement of the structural strength of the first sheet metal part 342 and the second sheet metal part 352 are facilitated.
Further, an edge of the sheet metal part may undergo an edge folding process, an edge pressing process, etc. to prevent the sheet metal part from cutting a finger of a user hence wounding the user, during the user's operation.
Optionally, the first inner housing 341 and the second inner housing 351 are fireproof plastic members. Thicknesses of the first inner housing 341 and the second inner housing 351 are greater than or equal to 2.5 millimeters. The first sheet metal part 342 and the second sheet metal part 352 are sheet metal parts, and thicknesses of the first sheet metal part 342 and the second sheet metal part 352 are greater than or equal to 0.3 millimeter.
In some embodiments of the present application, the first sheet metal part 342 and the second sheet metal part 352 are connected by snap-fit. In this way, not only dismounting and mounting of the electric control box 30 are facilitated to improve assembling efficiency of the electric control box 30, but also enhancement of the connection strength and connection reliability between the first sheet metal part 342 and the second sheet metal part 352 are facilitated, and the first sheet metal part 342 and the second sheet metal part 352 are conveniently used to wrap a body part 200. Compared to the form of employing a plastic housing in the related art, the first sheet metal part 342 and the second sheet metal part 352 can effectively obstruct the fire when the interior of the electric control box 30 is on fire, the fire is isolated within the interior of the electric control box 30, and is prevented from coming out of the interior of the electric control box 30 after the plastic housing is burned out which may ignite other components. For example, when the electric control box 30 is disposed in the air conditioner 100, when the interior of the electric control box 30 is on fire, the fire can be prevented from coming out of the interior of the electric control box 30 which may ignite other components. Capability of the electric control box 30 to isolate the fire is conveniently improved, and the fire behavior can be controlled after the electric control box 30 is on fire, thereby improving use safety and reliability of the electric control box 30.
In some embodiments of the present application, the second sheet metal part 352 is provided with a first snap part, the first sheet metal part 342 is provided with a second snap part, and the first snap part is adapted to fit with the second snap part in a snap-fit manner. In this way, the first snap part and the second snap part can be used to realize snap fit between the second sheet metal part 352 and the first sheet metal part 342, which not only facilitates dismounting and mounting operations of the second sheet metal part 352 and the first sheet metal part 342, but also facilitates improvement of the connection strength between the second sheet metal part 352 and the first sheet metal part 342.
Specifically, as illustrated in
Optionally, as illustrated in
Further, the first snap part is located at an outer edge of the first flange 122, and the second snap part is located at an outer edge of the second flange 112. In this way, the smooth fitting between the first snap part and the second snap part is further facilitated, and the assembling efficiency of the electric control box 30 is improved.
Optionally, the first snap part is formed by folding the outer edge of the first flange 122, and the second snap part is formed by folding the outer edge of the second flange 112. In this way, structures of the first snap part and the second snap part can be simplified, the production and machining of the first snap part and the second snap part is facilitated, massive production of the outer casing 100 is facilitated, production cost of the outer casing 100 is reduced, and the production efficiency of the outer casing 100 is improved.
It should be understood herein that, the whole outer edge of the second sheet metal part 352 is provided with the first flange 122, or at least a portion of the outer edge of the second sheet metal part 352 is provided with the first flange 122. The whole outer edge of the first sheet metal part 342 is provided with the second flange 112, or at least a portion of the outer edge of the first sheet metal part 342 is provided with the second flange 112.
In some embodiments of the present application, the second sheet metal part 352 is provided with a first insertion part, the first sheet metal part 342 is provided with a second insertion part, and the first insertion part is adapted to fit with the second insertion part in an insertion manner. In this way, the first insertion part and the second insertion part can be used to position and guide assembling of the second sheet metal part 352 and the first sheet metal part 342, smooth assembling and formation of the second sheet metal part 352 and the first sheet metal part 342 can be facilitated, the assembling efficiency of the outer casing 100 is improved, and assembling time of the outer casing 100 is shortened.
According to some embodiments of the present application, as illustrated in
Optionally, the insertion projection 123 and the second sheet metal part 352 are integrally formed.
More specifically, the insertion projection 123 has a first guide face 124 adapted to be inserted into the insertion groove 113, and the insertion groove 113 has a second guide face 114 fitted to the first guide face 124. In this way, the first guide face 124 and the second guide face 114 can be used to position and guide insertion and mounting of the insertion projection 123, smooth insertion of the insertion projection 123 into the insertion groove 113 is facilitated, mounting of the second sheet metal part 352 and the first sheet metal part 342 can be more smooth, and the assembling and formation of the outer casing 100 is further facilitated.
Optionally, as illustrated in
Further, the fixing sheet 115 and the outer side wall of the first sheet metal part 342 are integrally formed.
Specifically, a junction between the insertion groove 113 and the outer side wall of the first sheet metal part 342 is provided with a reinforcing rib, and the reinforcing rib matches a shape of the insertion groove 113. Further, a plurality of reinforcing ribs are provided and spaced apart from one another in a length direction of the insertion groove 113. In this way, the structural strength and rigidity of the insertion groove 113 can be enhanced, production of a stress weak point of the insertion groove 113 is avoided, deformation and damage of the insertion groove 113 is prevented, and the fitting reliability between the insertion groove 13 and the insertion projection 123 is improved.
According to some other embodiments of the present application, the first insertion part has the insertion projection 123 protruding outwards, the second insertion part has the insertion hole, and the insertion hole faces the insertion projection 123 to enable the insertion projection 123 to be inserted into the insertion hole. The outer side wall of the first sheet metal part 342 is provided with a connecting sheet protruding outwards, and the connecting sheet includes the insertion hole. In this way, insertion fit between the insertion projection 123 and the insertion hole is facilitated, and the assembling efficiency of the second sheet metal part 352 and the first sheet metal part 342 is further facilitated.
Optionally, as illustrated in
Specifically, as illustrated in
Optionally, a surface of the first snap 211 is provided with a first-snap guide face adapted to be fitted to the first snap hole 117, and a surface of the second snap is provided with a second-snap guide face adapted to be fitted to the second snap hole. In this way, the first-snap guide face can be used to position and guide the mounting of the first snap 211, the second-snap guide face can be used to position and guide the mounting of the second snap 221, thereby facilitating smooth snapping between the first snap 211 and the first snap hole 117 as well as between the second snap 221 and the second snap hole 126.
In some embodiments of the present application, the first inner housing 341 is provided with a support bump adapted to support the first insertion part, the support bump is located at an inner side of the first insertion part, and the support bump extends in a length direction of the first insertion part. In this way, the support bump can be used to support the first insertion part, the deformation of the first insertion part is avoided, and improvement of the structural strength of the first insertion part is facilitated.
Specifically, the support bump is adapted to support the insertion projection 123, the support bump is located at an inner side of the insertion projection 123, and the support bump extends in a length direction of the insertion projection 123.
Optionally, two ends of the first insertion part in the length direction is provided with a limiting plate respectively, and the first insertion part is fitted between the two limiting plates. In this way, the limiting plate can be used to limit the first insertion part, large size displacement of the first insertion part in the length direction is avoided, and the improvement of the arrangement reliability of the first insertion part is further facilitated.
Further, two limiting plates are disposed at two ends of the support bump in a length direction thereof respectively, and the support bump is located between the two limiting plates.
In some embodiments of the present application, as illustrated in
Furthermore, compared to a form in the related art that a thermal insulation material such as a sponge or the like is adhered to a surface of the electric control box assembly, the use of the thermal insulation material such as the sponge or the like can be reduced. Reduction of the production cost of the electric control box 30 is facilitated, and since the use of the sponge requires a certain thickness to realize thermal insulation effect, provision of the isolation gap 203 can avoid excessive occupied volume resulting from provision of the sponge thermal insulation layer, thereby facilitating control of an overall size of the electric control box 30. Meanwhile, the sponge can be prevented from not having a heat preservation effect due to water absorption which cause failure of the thermal insulation function, and the improvement of the reliability and stability of the thermal insulation function of the electric control box 30 can be facilitated.
Additionally, at least one of the outer surface of the body part 200 and the inner surface of the outer casing 100 is provided with the isolation rib 214 configured to divide the isolation gap 203. In this way, the isolation rib 214 can be used to divide the isolation gap 203, and the isolation gap 203 can be conveniently subdivided. For example, more separate small zones are formed at the isolation gap 203, the air in the plurality of small zones do not interfere with each other, formation of the stable air layer in the isolation gap 203 is facilitated, the probability that the air flows in the isolation gap 203 is reduced, the heat preservation and thermal insulation of the isolation gap 203 is more stable and reliable, and the heat preservation and thermal insulation effect of the isolation gap 203 is improved.
Specifically, the isolation rib 214 is disposed at one of the outer surface of the body part 200 and the inner surface of the outer casing 100, and a distance between the isolation rib 214 and the other of the outer surface of the body part 200 and the inner surface of the outer casing 100 is less than or equal to 0.3 millimeter. In this way, the distance between the isolation rib 214 and the other of the outer surface of the body part 200 and the inner surface of the outer casing 100 can be controlled within a certain range, the probability that the air flows in the isolation gap 203 is reduced, and the stability of the air layer can be prevented from being affected by an excessive distance.
More specifically, the isolation rib 214 is disposed at the outer surface of the body part 200, and a distance between the isolation rib 214 and the inner surface of the outer casing 100 is less than or equal to 0.3 millimeter.
Optionally, a plurality of isolation ribs 214 are provided, and the plurality of isolation ribs 214 divide the isolation gap 203 into a plurality of sub-zones 204. In this way, a plurality of stable air zones can be formed at the isolation gap 203, the air in the isolation gap 203 is prevented from flowing, and the heat insulation performance of the isolation gap 203 is improved.
In some embodiments of the present application, the isolation rib 214 includes a plurality of first isolation ribs spaced apart from one another in a width direction of the body part 200, and each first isolation rib extends in the length direction of the body part 200. In this way, the plurality of first isolation ribs can be used to divide the isolation gap 203 into the plurality of sub-zones 204 in the width direction of the body part 200, and the air in the isolation gap 203 can be prevented from flowing in the width direction of the body part 200.
Specifically, the isolation rib 214 includes a plurality of second isolation ribs spaced apart from one another in the length direction of the body part 200, and each second isolation rib extends in the width direction of the body part 200. In this way, the plurality of second isolation ribs 213 can be used to divide the isolation gap 203 into the plurality of sub-zones 204 in the length direction of the body part 200, and the air in the isolation gap 203 can be prevented from flowing in the length direction of the body part 200.
More specifically, the plurality of first isolation ribs and the plurality of second isolation ribs are arranged in a cross manner. In this way, the isolation gap 203 is conveniently divided into the plurality of separate sub-zones 204, the stability of the air in the isolation gap 203 is improved, and the heat preservation and thermal insulation effect of the isolation gap 203 is improved.
Optionally, a distance between the outer surface of the body part 200 and the inner surface of the outer casing 100 at the isolation gap 203 is greater than or equal to 0.5 millimeter. In this way, the isolation gap 203 can has a sufficient thickness, and the isolation gap 203 is ensured to have a sufficient thermal insulation effect.
Specifically, the isolation gap 203 is internally filled with the air or the thermal insulation material. In this way, the heat preservation and thermal insulation performance of the isolation gap 203 can be improved, and isolation of heat transfer process between the inner side and the outer side of the electric control box can be facilitated.
In some embodiments of the present application, an outer surface of the first inner housing 341 and an inner surface of a metal box 110 form at least a portion of the isolation gap 203. In this way, the formation of the isolation gap 203 is facilitated, improvement of the thermal insulation performance of the electric control box 30 is further facilitated, and the operational reliability and stability of the electric control box 30 is improved.
In one specific embodiment of the present application, the electric control box 30 includes the first inner housing 341 and the second inner housing 351. The inner housing 341 has the opening 202, and the first inner housing 341 has the first connection face 212. The second inner housing 351 and the first inner housing 341 are detachably connected to open and close the opening 202, the second inner housing 351 has the second connection face 223 fitted to the first connection face 212. The first inner housing 341 has the water stop part 230 extending into the second inner housing 351, the second inner housing 351 has the flange part 224 extending towards the first inner housing 341, the water stop part 230 is disposed on an inner side of the flange part 224, and the water stop part 230 and the flange part 224 are arranged oppositely.
The end face of the flange part 224 forms the second connection face 223. The water stop part 30 is disposed adjacent to the opening 202, and the first connection face 212 is disposed at an outer side of the water stop part 230 and lower than an end face of the water stop part 230. The flange part 224 and the water stop part 230 are spaced apart from each other. In the extending direction of the flange part 224, the length of overlapping portion between the flange part 224 and the water stop part 230 is greater than or equal to 1 millimeter. The water stop part 230 is oriented in the extending direction of the edge of the opening 202.
The electric control box 30 further includes the first sheet metal part 342 and the second sheet metal part 352, the first sheet metal part 342 covers the outer side of the first inner housing 341 and is connected to the first inner housing 341. The second sheet metal part 352 covers the outer side of the second inner housing 351 and is connected to the second inner housing 351. The second sheet metal part 352 has the blocking part 130 extending towards the first sheet metal part 342, and the blocking part 130 extends beyond the fitting place between the first connection face 212 and the second connection face 223.
The first inner housing 341 is fitted to the first sheet metal part 342 by snap-fit, and the second inner housing 351 is fitted to the second sheet metal part 352 by snap-fit. The first inner housing 341 has the first snap 211, and the first sheet metal part 342 has the first snap hole 117 fitted to the first snap 211. The second inner housing 351 has the second snap 221, and the second sheet metal part 352 has the second snap hole 126 fitted to the second snap 221. The plurality of first snaps 211 are provided and arranged in the circumferential direction of the electric control box 30, the plurality of second snap holes 126 are provided and arranged in the circumferential direction of the electric control box 30, and the first snaps 211 have the one-to-one correspondence with the first snap holes 117. A plurality of second snaps 221 are provided and arranged in the circumferential direction of the electric control box 30, a plurality of second snap holes 126 are provided and arranged in the circumferential direction of the electric control box 30, and the second snaps 221 have a one-to-one correspondence with the second snap holes 126. The size of the first snap 211 is greater than or equal to the size of the second snap 221, and the area of the first snap hole 117 is greater than or equal to the area of the second snap hole 126.
The first inner housing 341 has the first insertion groove 213, and the first sheet metal part 342 has the first insertion part 118 fitted to the first insertion groove 213 to cause the first sheet metal part 342 to be in tight contact with the first inner housing 341. The second inner housing 351 has the second insertion groove, and the second sheet metal part 352 has the second insertion part fitted to the second insertion groove to cause the second sheet metal part 352 to be in tight contact with the second inner housing 351.
The first sheet metal part 342 and the second sheet metal part 352 are made of metal materials and are sheet metal parts. The edge of the sheet metal part may undergo the edge folding process, the edge pressing process, etc. The first inner housing 341 and the second inner housing 351 are fireproof plastic members. Thicknesses of the first inner housing 341 and the second inner housing 351 are greater than or equal to 2.5 millimeters. The first sheet metal part 342 and the second sheet metal part 352 are sheet metal parts, and thicknesses of the first sheet metal part 342 and the second sheet metal part 352 are greater than or equal to 0.3 millimeter.
In the following, the air conditioner 100 according to embodiments of the present application will be described. The air conditioner 100 according to embodiments of the present application includes a housing 2, an indoor heat exchanger 3 and an indoor fan. The housing 2 is internally provided with a mounting cavity, the indoor heat exchanger 3 is disposed in the mounting cavity, and the indoor fan is disposed in the mounting cavity. The electric control box 30 according to the above-described embodiments of the present application is disposed in the mounting cavity and located at a shaft side of the indoor fan.
Specifically, the electric control box 30 is located at a side of the indoor heat exchanger 3, and a side of the electric control box 30 near the indoor heat exchanger 3 matches a shape of the indoor heat exchanger 3. In this way, not only the electric control box 30 can be prevented from interfering with the indoor heat exchanger 3, but also internal space of the electric control box 30 can be increased to the greatest extent, thereby facilitating improvement of structure rationality and compactness of the air conditioner 100, and improving utilization ratio of the internal space of the air conditioner 100.
Optionally, the electric control box 30 is located at an upper side of the indoor heat exchanger 3, the housing 2 includes the face frame and a seat, the face frame is detachably connected to the seat, the electric control box 30 is detachably disposed at the face frame, and the indoor heat exchanger 3 is detachably disposed at the seat. In this way, mounting and arrangement of the electric control box 30 and the indoor heat exchanger 3 is facilitated, and improvement of the assembling efficiency of the electric control box 30 and the indoor heat exchanger 3 is facilitated.
The air conditioner 100 according to embodiments of the present application, by using the electric control box 30 according to the above-described embodiments of the present application, has advantages of good waterproof effect, high reliability, etc.
Other constitutions and operations of the air conditioner 100 according to embodiments of the present application are well known by those skilled in the art, which will not be described in detail herein.
In addition, terms such as “first” and “second” are used herein for purposes of description and are not intended to indicate or imply relative importance or significance. Thus, the feature associated with “first” and “second” may comprise one or more of this feature. In the description of the present application, the term “a plurality of” means two or more than two, unless specified otherwise.
In the present application, unless specified or limited otherwise, the terms “mounted,” “connected,” “coupled,” “fixed” and the like are used broadly, and may be, for example, fixed connections, detachable connections, or integral connections; may also be mechanical or electrical connections; may also be direct connections or indirect connections via intervening structures; may also be inner communications of two elements. The above terms can be understood by those skilled in the art according to specific situations.
Although explanatory embodiments have been shown and described, it would be appreciated by those skilled in the art that the above embodiments cannot be construed to limit the present application, and changes, alternatives, and modifications can be made in the embodiments without departing from spirit, principles and scope of the present application.
Number | Date | Country | Kind |
---|---|---|---|
201921058404.0 | Jul 2019 | CN | national |
201921063126.8 | Jul 2019 | CN | national |
Filing Document | Filing Date | Country | Kind |
---|---|---|---|
PCT/CN2019/103825 | 8/30/2019 | WO | 00 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO2021/003829 | 1/14/2021 | WO | A |
Number | Name | Date | Kind |
---|---|---|---|
20170268789 | Liu et al. | Sep 2017 | A1 |
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204634200 | Sep 2015 | CN |
204634200 | Sep 2015 | CN |
207763061 | Aug 2018 | CN |
208059068 | Nov 2018 | CN |
208059068 | Nov 2018 | CN |
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208238044 | Dec 2018 | CN |
3187794 | Jul 2017 | EP |
3279574 | Feb 2018 | EP |
2011106753 | Jun 2011 | JP |
2013036671 | Feb 2013 | JP |
2013036671 | Feb 2013 | JP |
2014070762 | Apr 2014 | JP |
2013108650 | Jul 2013 | WO |
Entry |
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World Intellectual Property Organization (WIPO) International Search Report and Written Opinion for PCT/CN2019/103825 dated Apr. 1, 2020 17 Pages. |
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Number | Date | Country | |
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20210010691 A1 | Jan 2021 | US |