COMPRESSOR

Abstract

A compressor includes a check valve holder and a bypass valve holder, a first through-hole in a fixed scroll, a discharge buffer chamber enclosed by the floating seal plate and the fixed scroll, and a check valve in the discharge buffer chamber. A bypass passage is formed in the fixed scroll, the discharge buffer chamber is in communication with the bypass passages, and bypass valves are disposed in the bypass passages and are movable with respect to the bypass valve holder between a third position and a fourth position; the bypass valves open the bypass passages when the bypass valves are in the third position, and the bypass valves close the bypass passages when the bypass valves are in the fourth position.

Description

CROSS-REFERENCE TO RELATED APPLICATION

The present application claims priority from Chinese patent application CN 202311368643.7, filed on Oct. 20, 2023, the content of which is hereby incorporated by reference into this application.

TECHNICAL FIELD

The present disclosure relates to the technical field of electronic device, and in particular to a compressor.

BACKGROUND

With the development of compressor technology, compressors are being applied in people's daily lives more and more widely. During current usage, a compressor usually includes check valves and bypass valves, and additional fasteners such as screws are usually required in order to fix and limit the check valves and the bypass valves. Thus, this leads to higher manufacturing costs of current compressors.

SUMMARY

Embodiments of the present disclosure provide a compressor to solve the problem of the relatively high manufacturing cost of the compressor.

In order to solve the above technical problem, the present disclosure is implemented as follows.

An embodiment of the present disclosure provides a compressor comprises: a floating seal plate, an orbiting scroll and a fixed scroll. The compressor further comprises at least one of a check valve assembly and a bypass valve assembly. The check valve assembly comprises a check valve and a check valve holder, the bypass valve assembly comprises bypass valves and a bypass valve holder, and at least one of the check valve holder and the bypass valve holder is fixedly connected to the floating seal plate. A first through-hole is formed in the fixed scroll, a discharge buffer chamber is enclosed by the floating seal plate and the fixed scroll, and the check valve is disposed in the discharge buffer chamber and is movable between a first position and a second position. The check valve is separated from a thrust surface of the check valve holder and closes the first through-hole when the check valve is in the first position, and the check valve is in abutment with the thrust surface of the check valve holder and is separated from the first through-hole when the check valve is in the second position. Bypass passages are formed in the fixed scroll, the discharge buffer chamber is in communication with the bypass passages, and the bypass valves are disposed in the bypass passages and are movable with respect to the bypass valve holder between a third position and a fourth position. The bypass valves open the bypass passages when the bypass valves are in the third position, and the bypass valves close the bypass passages when the bypass valves are in the fourth position.

As an optional embodiment, a second through-hole which is in communication with the discharge buffer chamber is formed in the check valve holder.

As an optional embodiment, third through-holes which are located on the side of the check valve holder are further formed in the floating seal plate.

As an optional embodiment, the second through-hole is in communication with the third through-holes in the case that the second through-hole is formed in the check valve holder and the third through-holes are further formed in the floating seal plate.

As an optional embodiment, the fixed scroll is further provided with a check valve base, in which check valve base a fourth through-hole which is in communication with the first through-hole is formed.

As an optional embodiment, the bypass valve are piston valves, the bypass valve holder comprises bypass valve guide chambers, first ends of the piston valves are inserted into the bypass valve guide chambers, and second ends of the piston valves are located in the bypass passages and are movable between the third position and the fourth position.

As an optional embodiment, the bypass valve holder is further provided with elastic elements, and the first ends of the piston valves pass through the elastic elements to connect to the bypass valve guide chambers.

As an optional embodiment, the bypass valves are disc valves, which disc valves are in abutment with the bypass valve holder and open the bypass passages when the disc valves are in the third position, and the disc valves are separated from the bypass valve holder and close the bypass passages when the disc valves are in the fourth position.

As an optional embodiment, the bypass valve holder is provided with protrusions, and the disc valves are in abutment with the bypass valve holder or the protrusions when the disc valves are in the third position, and the disc valves are separated from both of the bypass valve holder and the protrusions when the disc valves are in the fourth position.

As an optional embodiment, the floating seal plate is further provided with a positioning element for aligning the floating seal plate with the fixed scroll, and the fixed scroll is further provided with a positioning portion for aligning the fixed scroll with the floating seal plate.

In the embodiments of the present disclosure, since at least one of the check valve holder and the bypass valve holder is fixedly connected to the floating seal plate, that is, the check valve holder and/or the bypass valve holder are integrated on the floating seal plate, as well as the check valve holder is able to fix and limit the check valve while the bypass holder is able to fix and limit the bypass valves, there is no need to separately provide corresponding fasteners for the check valve and the bypass valves, thereby saving the manufacturing cost and also reducing the volume of the compressor.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solutions of the embodiments of the present disclosure more clearly, accompanying drawings required to be used in the description of the embodiments of the present disclosure will be briefly explained below. Obviously, the drawings in the following description represent merely some embodiments of the present disclosure, and other drawings can be further obtained from these drawings by those having ordinary skills in the art without making any inventive effort.

FIG. 1 is a first structural schematic view of a compressor provided in an embodiment of the present disclosure.

FIG. 2 is a first structural schematic view of a floating seal plate and other components in the compressor provided in the embodiment of the present disclosure.

FIG. 3 is a second structural schematic view of the floating seal plate and other components in the compressor provided in the embodiment of the present disclosure.

FIG. 4 is a third structural schematic view of the floating seal plate and other components in the compressor provided in the embodiment of the present disclosure.

FIG. 5 is a second structural schematic view of the compressor provided in the embodiment of the present disclosure.

FIG. 6 is a third structural schematic view of the compressor provided in the embodiment of the present disclosure.

FIG. 7 is a fourth structural schematic view of the floating seal plate and other components in the compressor provided in the embodiment of the present disclosure.

FIG. 8 is a fifth structural schematic view of the floating seal plate and other components in the compressor provided in the embodiment of the present disclosure.

FIG. 9 is a fourth structural schematic view of the compressor provided in the embodiment of the present disclosure.

FIG. 10 is a fifth structural schematic view of the compressor provided in the embodiment of the present disclosure.

DETAILED DESCRIPTION

Technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are merely some, but not all, of the embodiments of the present disclosure. All other embodiments that obtained by those having ordinary skills in the art based on the embodiments of the present disclosure without making any inventive effort fall within the scope of protection of the present disclosure.

Referring to FIGS. 1 to 9, a compressor includes a floating seal plate 20, an orbiting scroll 100 and a fixed scroll 30. The compressor further includes at least one of a check valve assembly and a bypass valve assembly, the check valve assembly includes a check valve 40 and a check valve holder 50, and the bypass valve assembly includes bypass valves 60 and a bypass valve holder 70. At least one of the check valve holder 50 and the bypass valve holder 70 is fixedly connected to the floating seal plate 20. A first through-hole 31 is formed in the fixed scroll 30. A discharge buffer chamber 80 is enclosed by the floating seal plate 20 and the fixed scroll 30. The check valve 40 is disposed in the discharge buffer chamber 80 and is movable between a first position and a second position. The check valve 40 is separated from a thrust surface of the check valve holder 50 and closes the first through-hole 31 when the check valve 40 is in the first position, and the check valve 40 is in abutment with the thrust surface of the check valve holder 50 and is separated from the first through-hole 31 when the check valve 40 is in the second position. Bypass passages 32 are formed in the fixed scroll 30, the discharge buffer chamber 80 is in communication with the bypass passages 32, and the bypass valves 60 are located in the bypass passages 32 and are movable with respect to the bypass valve holder 70 between a third position and a fourth position. The bypass valves 60 open the bypass passages 32 when the bypass valves 60 are in the third position, and the bypass valves 60 close the bypass passages 32 when the bypass valves 60 are in the fourth position.

The operating principle of the embodiments of the present disclosure can be described as follows.

Since at least one of the check valve holder 50 and the bypass valve holder 70 is fixedly connected to the floating seal plate 20, that is, the check valve holder 50 and/or the bypass valve holder 70 are integrated on the floating seal plate 20, as well as the check valve holder 50 can fix and limit the check valve 40 and the bypass valve holder 70 can fix and limit the bypass valves 60, there is no need to separately provide corresponding fasteners for the check valve 40 and the bypass valves 60, thereby saving the manufacturing cost and also reducing the volume of the compressor.

A housing 10 may be understood as the outer casing of the compressor and can accommodate therein a plurality of components. Optionally, the floating seal plate 20, the fixed scroll 30, the check valve 40, the check valve holder 50, the bypass valves 60 and the bypass valve holder 70 are all disposed in the housing 10.

In addition, integrating the check valve holder 50 and/or the bypass valve holder 70 onto the floating seal plate 20 makes the structure of the compressor simpler than that of the current compressor and also reduces material and manual assembly costs.

Further, integrating the check valve holder 50 and/or the bypass valve holder 70 onto the floating seal plate 20 also allows for an increase in the volume of the discharge buffer chamber 80. In this way, it is possible to provide a plurality of bypass passages 32 and bypass valves 60 in the compressor and provide each of the bypass valves 60 correspondingly to each of the bypass passages 32. In this case, by providing a plurality of bypass valves 60, the compressor is able to achieve a higher coefficient of performance (COP) under over-compressing conditions.

It shall be noted that referring to FIGS. 1, 2, 3, 4, 7 and 9, a receiving slot 52 which may be used for receiving the check valve 40 may be formed in the check valve holder 50. In this way, when the check valve 40 is in the second position, the check valve 40 may be disposed in the receiving slot 52, thereby enhancing the receiving effect of the check valve 40. The receiving slot 52 can be also referred to as a groove.

The floating seal plate 20 may be connected to the fixed scroll 30 so as to form a back pressure chamber therebetween, which chamber can provide a force to push the fixed scroll 30 towards the orbiting scroll 100. The orbiting scroll 100 may be disposed opposite to the fixed scroll 30. When the compressor is in operation, the check valve 40 can move to the second position where the check valve 40 is in abutment with a thrust surface of the check valve holder 50 and is separated from the first through-hole 31, and gas in the back pressure chamber can provide the force to push the fixed scroll 30 towards the orbiting scroll 100; when the compressor is not in operation, the check valve 40 moves to the first position where the check valve 40 is separated from the thrust surface of the check valve holder 50 and is in abutment with the fixed scroll 30 to close the first through-hole 31, such that high-pressure gas cannot enter a compression chamber of the compressor through the first through-hole 31, making it possible to avoid the reverse rotation of the orbiting scroll 100. Said first through-hole 31 can be also referred to as a D port.

It shall be noted that the positional relationship between the orbiting scroll 100 and the fixed scroll 30 is not limited herein, and optionally, the orbiting scroll 100 and the fixed scroll 30 may be arranged to be opposite to and spaced from each other. Alternatively, the orbiting scroll 100 and the fixed scroll 30 may be arranged opposite to and in abutment with each other. Their specific positions are not limited herein.

Referring to FIGS. 1 and 9, the compressor may further include a first seal ring 90 and a second seal ring 91. The first seal ring 90 may be placed between the floating seal plate 20 and the fixed scroll 30, and may be used to isolate the back pressure chamber from a suction chamber. The first seal ring 90 may be disposed on the floating seal plate 20, and may be also referred to as an outer seal ring. The second seal ring 91 may be placed between the floating seal plate 20 and the fixed scroll 30, and may be used to isolate the back pressure chamber from an exhaust chamber. The second seal ring 91 may be disposed on the fixed scroll 30, and may be also referred to as an inner seal ring. On the compressor, an exhaust pipe 93 may be further provided, which may be in communication with the exhaust chamber for discharging gas.

It shall be noted that the way in which the fixed scroll 30 and the floating seal plate 20 are connected is not limited herein. Referring to FIG. 1, the fixed scroll 30 may be located in a groove in the floating seal plate 20 and may be in abutment with an inner wall of the groove; alternatively, referring to FIG. 9, the floating seal plate 20 may be located in a groove in the fixed scroll 30 and may be in abutment with the inner wall of the groove.

Further, referring to FIGS. 1 and 9, the compressor may further include a muffler plate 92, which may be arranged opposite to the floating seal plate 20 and may be used to isolate the exhaust chamber from the suction chamber.

The bypass passages 32 may be used for connecting the discharge buffer chamber 80 with the compression chamber of the compressor, and may be provided in an end plate 301 of the fixed scroll 30.

As an optional embodiment, referring to FIGS. 2 and 3, a second through-hole 51 which is in communication with the discharge buffer chamber 80 is formed in the check valve holder 50.

The specific shape of the second through-hole 51 is not limited herein. Optionally, the second through-hole 51 may be a circular or square hole, or the like.

The position where the second through-hole 51 is provided in the check valve holder 50 is not limited herein. Optionally, the second through-hole 51 may be provided in a center position of the check valve holder 50.

In the embodiment of the present disclosure, the second through-hole 51 which is in communication with the discharge buffer chamber 80 is formed in the check valve holder 50. In this way, it is possible to reduce the adsorption force of the check valve holder 50 on the check valve 40, thereby making it more convenient to separate the check valve 40 from the check valve holder 50 when needed.

As an optional embodiment, referring to FIG. 2, third through-holes 21 which are located on the side of the check valve holder 50 are further formed in the floating seal plate 20.

The specific shape of the third through-holes 21 is not limited herein. Optionally, the third through-holes 21 may be arc-shaped holes.

The number of the third through-holes 21 is not limited herein. Optionally, there may be multiple third through-holes 21 which may be arranged around the second through-hole 51. That is, the second through-hole 51 may be located between the multiple third through-holes 21.

In the embodiment of the present disclosure, the third through-holes 21 may be communicated with the first through-hole 31 via the discharge buffer chamber 80, so that high-pressure gas can be discharged from the first through-hole 31, the discharge buffer chamber 80 and the third through-holes 21 in sequence, enhancing the discharging effect of high-pressure gas.

As an optional embodiment, referring to FIG. 3, in the case where the second through-hole 51 is formed in the check valve holder 50 and the third through-holes 21 are formed in the floating seal plate 20, the second through-hole 51 is in communication with the third through-holes 21.

In the embodiment of the present disclosure, the second through-hole 51 and the third through-holes 21 are in communication with each other. In this way, the second through-hole 51 and the third through-holes 21 each form an exhaust port for high-pressure gas, which may further enhance the exhaust effect of high-pressure gas.

As an optional embodiment, referring to FIG. 6, the fixed scroll 30 is provided with a check valve base 33, in which check valve base a fourth through-hole which is in communication with the first through-hole 31 is formed.

In the embodiment of the present disclosure, the fixed scroll 30 is provided with the check valve base 33. In this way, when the check valve 40 is in the first position, the check valve 40 can be in abutment with the check valve base 33, thereby making it possible to enhance the limiting effect of the check valve 40 in the first position.

It shall be noted that when the check valve 40 is in abutment with the check valve base 33, the check valve 40 can close both the fourth through-hole and the first through-hole 31; when the check valve 40 is in the second position, high-pressure gas can be discharged from the first through-hole 31, the fourth through-hole, the discharge buffer chamber and the third through-holes 21 in sequence.

As an optional embodiment, the bypass valves 60 are piston valves. Referring to FIGS. 2, 3 and 8, the bypass valve holder 70 include bypass valve guide chambers 71, first ends of the piston valves are inserted into the bypass valve guide chambers 71, and second ends of the piston valves are located in the bypass passages 32 and are movable between the third position and the fourth position.

When the second ends of the piston valves are in the third position, there may be gaps between the second ends of the piston valves and inner walls of the bypass passages 32, so that the bypass passages 32 are in an open state; and when the second ends of the piston valves are in the fourth position, the second ends of the piston valves may abut against the inner walls of the bypass passages 32, that is, there is no gap between the second ends of the piston valves and the inner walls of the bypass passages 32, so that the bypass passages 32 are in a closed state.

In the embodiment of the present disclosure, the bypass valves 60 are piston valves. Therefore, by moving the second ends of the piston valves between the third position and the fourth position, opening or closing of the bypass passages 32 can be easily controlled, thereby simplifying the control process and also reducing the cost of use.

As an optional embodiment, referring to FIGS. 1, 5 and 9, the bypass valve holder 70 is further provided with elastic elements 72, and the first ends of the piston valves pass through the elastic elements 72 to connect to the bypass valve guide chambers 71.

The elastic elements 72 may be springs, which can reduce the cost of use and make the driving effect reliable.

When the elastic elements 72 are in a compressed state, the second ends of the piston valves may be in the third position; and when the elastic elements 72 are in an extended state, the second ends of the piston valves may be in the fourth position.

In the embodiment of the present disclosure, the first ends of the piston valves pass through the elastic elements 72 to connect to the bypass passage guide chambers 71. In this way, through the switching of the elastic elements 72 between the compressed and extended states, the second ends of the piston valves can be driven to move between the third position and the fourth position, thereby simplifying the driving process for the second ends of the piston valves and enhancing the driving effect thereof.

As an optional embodiment, referring to FIG. 5, the bypass valves 60 are disc valves, the disc valves are in abutment with the bypass valve holder 70 and open the bypass passages 32 when the disc valves are in the third position, and the disc valves are separated from the bypass valve holder 70 and close the bypass passages 32 when the disc valves are in the fourth position.

When the disc valves are in the third position, the disc valves are in abutment with the bypass valve holder 70 and open the bypass passage 32, so that gas can enter the bypass passages 32 through gas channels to complete the exhaust. The disc valves are separated from the bypass valve holder 70 and close the bypass passage 32 when the disc valves are in the fourth position, that is, the gas cannot enter the bypass passages 32 through the gas channels. The gas channels can be seen in FIG. 10 by A-A.

In the embodiment of the present disclosure, the bypass valves 60 are disc valves, thereby increase the diversity and flexibility of the bypass valves 60. At the same time, through the abutment or separation between the disc valves and the bypass valve holder 70, opening or closing of the bypass passages 32 can be controlled, and also enable an addition of the way to control the opening or closing of the bypass passages 32.

As an optional embodiment, referring to FIG. 4, the bypass valve holder 70 is provided with protrusions 73, the disc valves are in abutment with both the bypass valve holder 70 and the protrusions 73 when the disc valves are in the third position, and the disc valves are separated from both the bypass valve holder 70 and the protrusions 73 when the disc valves are in the fourth position.

The number of the protrusions 73 is not limited herein, and the way of abutment between the disc valve and the protrusion 73 is not limited herein, either.

Optionally, when the disc valves are in the third position, the protrusions 73 can abut against surfaces of the disc valves so as to limit their positions.

Still optionally, the disc valves may be further provided with limiting holes. Optionally, the limiting holes may be in one-to-one correspondence with the protrusions 73. In this way, when the disc valves are in the third position, the protrusions 73 may be inserted into the limiting holes to limit their positions.

In the embodiment of the present disclosure, the bypass valve holder 70 is provided with the protrusions 73. In this way, it is possible to enhance the limiting effect for the disc valves.

As an optional embodiment, referring to FIGS. 2, 3, 4 and 8, the floating seal plate 20 is further provided with a positioning element 22 for aligning the floating seal plate 20 with the fixed scroll 30, and the fixed scroll 30 is further provided with a positioning portion for aligning the fixed scroll 30 with the floating seal plate 20.

The positioning portion may be used in cooperation with the positioning element 22. Optionally, one of the positioning element 22 and the positioning portion may be a positioning protrusion, and the other may be a positioning hole.

Still optionally, the positioning element 22 and the positioning portion are both positioning holes. When they are both positioning holes and coincide with each other, it can be determined that the fixed scroll 30 is aligned with the floating seal plate 20; or, when it is possible to insert a positioning pin successively into the positioning element 22 and the positioning portion, it can thus be determined that the fixed scroll 30 is aligned with the floating seal plate 20.

In the embodiment of the present disclosure, by aligning the positioning portion and the positioning element 22, the alignment between the floating seal plate 20 and the fixed scroll 30 can be completed, which improves the alignment efficiency and accuracy.

The embodiments of the present disclosure have been described above in conjunction with the accompanying drawings, but the present disclosure is not limited to the above-described specific embodiments. These specific embodiments are merely illustrative and are not limiting. Under the teaching of the present disclosure, various forms can be made by those having ordinary skills in the art without departing from the spirit of the present disclosure and the scope of the appended claims and all of them are within the scope of the present disclosure.

Claims

1. A compressor, characterized by comprising a floating seal plate, an orbiting scroll and a fixed scroll; the compressor further comprises at least one of a check valve assembly and a bypass valve assembly; the check valve assembly comprises a check valve and a check valve holder, the bypass valve assembly comprises bypass valves and a bypass valve holder, and at least one of the check valve holder and the bypass valve holder is fixedly connected to the floating seal plate; a first through-hole is formed in the fixed scroll, a discharge buffer chamber is enclosed by the floating seal plate and the fixed scroll, and the check valve is disposed in the discharge buffer chamber and is movable between a first position and a second position; the check valve is separated from a thrust surface of the check valve holder and closes the first through-hole when the check valve is in the first position, and the check valve is in abutment with the thrust surface of the check valve holder and is separated from the first through-hole when the check valve is in the second position; bypass passages are formed in the fixed scroll, the discharge buffer chamber is in communication with the bypass passages, and the bypass valves are disposed in the bypass passages and are movable with respect to the bypass valve holder between a third position and a fourth position; the bypass valves open the bypass passages when the bypass valves are in the third position, and the bypass valves close the bypass passages when the bypass valves are in the fourth position.

2. The compressor according to claim 1, characterized in that a second through-hole which is in communication with the discharge buffer chamber is formed in the check valve holder.

3. The compressor according to claim 1, characterized in that third through-holes which are located on the side of the check valve holder are further formed in the floating seal plate.

4. The compressor according to claim 3, characterized in that the second through-hole is in communication with the third through-holes in the case that the second through-hole is formed in the check valve holder and the third through-holes are further formed in the floating seal plate.

5. The compressor according to claim 1, characterized in that the fixed scroll is further provided with a check valve base, in which check valve base a fourth through-hole which is in communication with the first through-hole is formed.

6. The compressor according to claim 1, characterized in that the bypass valves are piston valves, the bypass valve holder comprises bypass valve guide chambers, first ends of the piston valves are inserted into the bypass valve guide chambers, and second ends of the piston valves are located in the bypass passages and are movable between the third position and the fourth position.

7. The compressor according to claim 6, characterized in that the bypass valve holder is further provided with elastic elements, and the first ends of the piston valves pass through the elastic elements to connect to the bypass valve guide chambers.

8. The compressor according to claim 1, characterized in that the bypass valves are disc valves, the disc valves are in abutment with the bypass valve holder and open the bypass passages when the disc valves are in the third position, and the disc valves are separated from the bypass valve holder and close the bypass passages when the disc valves are in the fourth position.

9. The compressor according to claim 8, characterized in that the bypass valve holder is provided with protrusions, the disc valves are in abutment with the bypass valve holder or the protrusions when the disc valves are in the third position, and the disc valves are separated from both of the bypass valve holder and the protrusions when the disc valves are in the fourth position.

10. The compressor according to claim 8, characterized in that the floating seal plate is further provided with a positioning element for aligning the floating seal plate with the fixed scroll, and the fixed scroll is further provided with a positioning portion for aligning the fixed scroll with the floating seal plate.