Patent Application
20240328663
The present disclosure relates to a decorative panel.
In a decorative panel of the related art, a configuration in which an air supply grille is attached to a grille opening is known.
In addition, in an embedded ventilation fan of the related art, a configuration in which the decorative panel (design louver) is provided on a lower surface of a housing is known.
PTL 1: Japanese Patent No. 4314879
In the decorative panel of the related art described above, there has been a problem that the air supply grille may fall from the grille opening in a case where aged deterioration occurs around the grille opening or in the air supply grille.
The present disclosure has been made to solve the above problem of the related art, and an object of the present disclosure is to provide a decorative panel in which an air supply grille is less likely to fall from a grille opening.
In order to achieve this object, a decorative panel according to an aspect of the present disclosure includes a front surface, a rear surface, a grille opening, a frame portion, and an air supply grille. The front surface is a surface opposite to the rear surface, the grille opening is surrounded by the frame portion, the air supply grille includes an air supply slit, an air supply slit opening, an outer air supply blowing unit, and a contact portion, the air supply grille is detachably provided in the grille opening, the air supply slit forms the air supply slit opening, air is supplied from the rear surface side to the front surface side through the air supply slit opening, the outer air supply blowing unit forms a passage of the air supplied from the air supply slit opening, the contact portion is connected to the outer air supply blowing unit, and when the front surface side is defined as a down direction and the rear surface side is defined as an up direction, the air supply grille is attached to the grille opening by bringing an upper surface of the frame portion into contact with a lower surface of the contact portion.
According to the present disclosure, it is possible to suppress the falling of the air supply grille from the grille opening.
Hereinafter, an exemplary embodiment of the present disclosure will be described with reference to the drawings.
First, a basic configuration of embedded ventilation fan 1 will be described.
As illustrated in
Housing 2 has first side surface 2a, second side surface 2b, third side surface 2c, adapter installation surface 2d, lower surface 2e, and upper surface 2f, which will be described later.
Adapter set 3 includes air supply adapter 3a, air exhaust adapter 3b, air exhaust shutter 3c, and adapter support portion 3d. Adapter set 3 is provided on adapter installation surface 2d.
Air supply blower 7 includes air supply casing 7a, air supply impeller 7b, air supply motor support plate 7c, air supply motor 7d, and air supply rotation shaft 7e, which will be described later.
Decorative panel 4 is provided on lower surface 2e of housing 2. Decorative panel 4 has air supply slit opening 4a, air supply slit 4b, air exhaust slit openings 4c, and air exhaust slits 4d. Decorative panel 4 has front surface 61a facing a space of a room.
Air exhaust slit openings 4c include first air exhaust slit opening 4c1, second air exhaust slit opening 4c2, and third air exhaust slit opening 4c3.
Metal fitting 5 is a component for embeddably providing housing 2 on a building ceiling or a building wall surface.
Metal fitting guide 6 is a component for preventing metal fitting 5 from falling off from housing 2. Metal fitting guide 6 is fixed to first side surface 2a and adapter installation surface 2d by using a fixing method such as a screw.
Metal fitting 5 and metal fitting guide 6 are attached to housing 2 substantially horizontally and substantially coaxially with each other, for example. Here, the term “substantially horizontally” includes an angle inclined within ±10° from a horizontal direction. The term “substantially coaxially” also includes an angle inclined within ±10° from the same axis.
Screw hole 19 is a hole for connecting housing 2 and a beam provided on the building ceiling or the building wall surface with a screw.
Inner lid opening 8b is provided on lower surface 2e of housing 2. Inner lid 8 is provided to cover a part or the whole of inner lid opening 8b.
Connection member 9b is a member that forms an air passage near air supply blow-out port 9 of inner lid 8. Connection member 9b connects air supply blower 7 and air supply blow-out port 9.
Inner lid 8 has air supply blow-out port 9 and air exhaust suction port 28. Air supply blow-out port 9 is formed by, for example, a space surrounded by inner air supply blowing unit 68.
Control board 10 that controls an operation of embedded ventilation fan 1 is provided, for example, on inner lid 8.
Display unit 11 that displays a state of embedded ventilation fan 1 is provided, for example, on inner lid 8.
Inner lid 8 includes first spring engagement portion 26 and second spring engagement portion 27.
As illustrated in
Air supply side heat insulating plate 17 is provided between first side surface 2a and air supply motor support plate 7c. Air supply side heat insulating plate 17 is a plate that insulates heat between air supply passage 21 and housing 2. Air supply side heat insulating plate 17 is made of, for example, expanded polystyrene having excellent heat insulating performance. A thickness of air supply side heat insulating plate 17 is preferably equal to or more than 5 mm, and more preferably equal to or more than 10 mm.
Air exhaust side heat insulating plate 18 is provided between second side surface 2b and air exhaust motor support plate 12c. Air exhaust side heat insulating plate 18 is a plate that insulates heat between air exhaust passage 22 and housing 2. When air exhaust side heat insulating plate 18 is not provided, there is a possibility that the heat of air exhaust passage 22 is transferred to the room via housing 2. Air exhaust side heat insulating plate 18 is made of, for example, expanded polystyrene having excellent heat insulating performance. A thickness of air exhaust side heat insulating plate 18 is preferably equal to or more than 5 mm, and more preferably equal to or more than 10 mm.
Air supply passage 21 through which air is blown from an outside of the room into the room by air supply blower 7 is formed.
Air exhaust passage 22 through which air is blown from an inside of the room to the outside of the room by air exhaust blower 12 is formed.
Heat exchange element 15 is provided at a position where air supply passage 21 and air exhaust passage 22 cross each other. Heat exchange element 15 is disposed, for example, between air supply blower 7 and adapter set 3. Heat exchange element 15 is provided, for example, just above or directly above air exhaust suction port 28. Heat exchange element 15 is provided, for example, between air exhaust blower 12 and third side surface 2c.
Air passes through air supply adapter 3a, air supply filter 13, heat exchange element 15, air supply blower 7, air supply blow-out port 9, and air supply slit opening 4a in this order in air supply passage 21.
Air passes through air exhaust slit openings 4c, air exhaust suction port 28, air exhaust filter 14, heat exchange element 15, air exhaust blower 12, and air exhaust adapter 3b in this order in air exhaust passage 22.
As illustrated in
Power supply connection box 16 that houses a power supply cord is provided, for example, on first side surface 2a. Power supply connection box 16 may be, for example, near control board 10 inside housing 2.
As illustrated in
In the present disclosure, the “lower surface” indicates, for example, a position where embedded ventilation fan 1 faces downward in a scene in
As illustrated in
As illustrated in
Air supply blower 7 is disposed inside housing 2 in a state where an axial direction of air supply rotation shaft 7e is substantially in the horizontal direction. Here, the term “substantially in the horizontal direction” includes an angle inclined within ±10° from a horizontal direction.
Air exhaust impeller 12b is provided in air exhaust casing 12a. Air exhaust motor 12d is connected to air exhaust impeller 12b via air exhaust rotation shaft 12e. Air exhaust motor support plate 12c supports air exhaust motor 12d. Air exhaust motor support plate 12c faces second side surface 2b.
Air exhaust blower 12 is disposed inside housing 2 in a state where an axial direction of air exhaust rotation shaft 12e is substantially in the horizontal direction.
As illustrated in
Decorative panel 4 includes outer frame 47, reinforcing portion 48, and end portion 49. Outer frame 47 is an outer frame portion of decorative panel 4 on rear surface 61b. Reinforcing portion 48 reinforces outer frame 47. End portion 49 is a portion of an end present further outside outer frame 47.
A characteristic configuration of the present exemplary embodiment will be described.
As illustrated in
Rear surface 61b is a surface opposite to front surface 61a (see
Grille opening 92 is surrounded by frame portion 94.
Grille opening 92 is, for example, a rectangular opening.
On rear surface 61b, air supply grille 91 is attached to grille opening 92.
Frame portion 94 protrudes from rear surface 61b toward an inside of housing 2.
Claws 93 protrude from rear surface 61b toward the inside of housing 2.
For example, two or four claws 93 are provided for one grille opening 92.
As illustrated in
Air supply grille 91 (outer air supply blowing unit 69) has, for example, a rectangular shape in front view. The rectangular shape is more preferably a shape in which lengths in a longitudinal direction and a lateral direction are equal.
Outer air supply blowing unit 69 is connected to inner air supply blowing unit 68 of
As illustrated in
Air supply slit 4b has straight portion 96 and inclined portion 97.
As illustrated in
Frame portion 94 has upper surface 94a. Upper surface 94a refers to a surface facing the inside of housing 2.
Air supply grille 91 is attached to grille opening 92 by brining upper surface 94a of frame portion 94 into contact with lower surface 95c of contact portion 95. That is, air supply grille 91 is provided on frame portion 94. Since air supply grille 91 is larger than frame portion 94, air supply grille 91 is less likely to fall from grille opening 92.
For example, claws 93 are provided, and thus, air supply grille 91 can be stably attached to grille opening 92. At this time, upper surface 95a of contact portion 95 comes into contact with a distal end of distal end portion 93a.
Further, when the side surface of base portion 93b comes into contact with side surface 95b of contact portion 95, air supply grille 91 can be more stably attached to grille opening 92.
Hereinafter, the present exemplary embodiment will be supplemented.
Decorative panel 4 according to an aspect of the present disclosure is decorative panel 4 that includes front surface 61a, rear surface 61b, grille opening 92, frame portion 94, and air supply grille 91. Front surface 61a is a surface opposite to rear surface 61b, and grille opening 92 is surrounded by frame portion 94. Air supply grille 91 has air supply slit 4b, air supply slit opening 4a, outer air supply blowing unit 69, and contact portion 95. Air supply grille 91 is detachably provided in grille opening 92, and air supply slit 4b forms air supply slit opening 4a. Air is supplied from rear surface 61b side to front surface 61a side through air supply slit opening 4a, outer air supply blowing unit 69 forms a passage of the air supplied from air supply slit opening 4a, and contact portion 95 is connected to outer air supply blowing unit 69. When front surface 61a side is defined as the down direction and rear surface 61b side is defined as the up direction, air supply grille 91 is attached to grille opening 92 by bringing upper surface 94a of frame portion 94 into contact with lower surface 95c of contact portion 95.
According to this configuration, it is possible to provide decorative panel 4 in which the falling of air supply grille 91 from grille opening 92 is suppressed.
In addition, decorative panel 4 may include claws 93, claw 93 may have distal end portion 93a and base portion 93b, base portion 93b may protrude from base 98 of rear surface 61b in the up direction, distal end portion 93a may be connected to base portion 93b, and air supply grille 91 may be fixed to grille opening 92 by bringing the distal end of distal end portion 93a into contact with upper surface 95a of contact portion 95.
According to this configuration, contact portion 95 can be fixed to claws 93. In addition, claws 93 are operated, and thus, the fixing of contact portion 95 by claws 93 can be released.
In addition, the side surface of base portion 93b may come into contact with side surface 95b of contact portion 95.
According to this configuration, air supply grille 91 can be more stably fixed to claws 93.
In addition, air supply slit 4b may have straight portion 96 and inclined portion 97, and inclined portion 97 inclined with respect to straight portion 96 may be connected to straight portion 96.
According to this configuration, the air passing through air supply slit opening 4a is blown into an indoor in a state of having an angle formed by inclined portion 97. Thus, it is possible to suppress generation of an excessively strong airflow directly below air supply grille 91. As a result, it is possible to prevent a user from feeling excessive cold air or hot air.
In addition, the air supply grille can be attached to the grille opening by being rotated by 90° around a direction perpendicular to rear surface 61b as a rotation axis.
According to this configuration, the air having the angle formed by inclined portion 97 can be freely changed in four directions. Specifically, when front surface 61a is viewed from the front, one direction of the air passing through air supply slit opening 4a can be selected from the four directions. These four directions are different by 90°. Thus, even though an attachment position or an attachment direction of decorative panel 4 in the room are changed, the direction of the supplied air can be changed in accordance with the change of the attachment position or the attachment direction of decorative panel 4.
In addition, embedded ventilation fan 1 that includes decorative panel 4 may include housing 2, air supply blower 7, and inner lid 8. Housing 2 may have side surfaces (first side surface 2a, second side surface 2b, third side surface 2c, and adapter installation surface 2d), upper surface 2f, and lower surface 2e. Decorative panel 4 may be provided on lower surface 2e, air supply passage 21 through which air is blown from an outside of a room into the room by air supply blower 7 may be formed, and air supply slit opening 4a may be connected to air supply passage 21. Housing 2 may have inner lid opening 8b on lower surface 2e, and inner lid 8 may be provided to cover inner lid opening 8b. Inner lid 8 may be positioned between housing 2 and decorative panel 4, and inner lid 8 may have air supply blow-out port 9 and inner air supply blowing unit 68. Air supply blow-out port 9 may be surrounded by inner air supply blowing unit 68, and air supply blow-out port 9 may be connected to air supply passage 21. Outer air supply blowing unit 69 may be connected to inner air supply blowing unit 68 to be outside of inner air supply blowing unit 68.
According to this configuration, it is possible to suppress leaking of the air flowing through air supply passage 21 out of air supply passage 21 before passing through air supply slit opening 4a.
In addition, although inner lid 8 is provided on lower surface 2e of housing 2 as a separate member from housing 2, inner lid 8 may have another configuration. For example, inner lid 8 may be provided on lower surface 2e integrally with housing 2.
In addition, air supply blower 7 and/or air exhaust blower 12 may be provided outside housing 2. This is because air supply passage 21 and/or air exhaust passage 22 can be formed even though air supply blower 7 and/or air exhaust blower 12 are outside housing 2.
Although the embedded ventilation fan according to the present disclosure has been described based on the first exemplary embodiment, the present disclosure is not limited to the first exemplary embodiment. Configurations in which various variations conceived by those skilled in the art are applied to the first exemplary embodiments, and configurations established by combining components of different exemplary embodiments also fall within the scope of the present disclosure without departing from the gist of the present disclosure.
The embedded ventilation fan according to the present disclosure is useful as an embedded ventilation fan embedded in a wall surface such as a ceiling, a heat exchange ventilation device, or the like.
| Number | Date | Country | Kind |
|---|---|---|---|
| 2023-049313 | Mar 2023 | JP | national |
