WO2021191940A1

WO2021191940A1 - Indoor unit for air conditioner

Info

Publication number: WO2021191940A1
Application number: PCT/JP2020/012598
Authority: WO
Inventors: 琢磨金子; 久典池田; 卓也新村; 清安富
Original assignee: 三菱電機株式会社
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-09-30

Abstract

This indoor unit for an air conditioner is provided with a housing including: a base which is attached to a wall surface; and a cuboid design panel which is attached to the front surface of the base and has an open rear surface. Furthermore, the indoor unit is provided with: a fan which is disposed in the housing and which draws air into the housing through a suction port formed in an upper surface of the design panel; an indoor heat exchanger disposed between the suction port and the fan; and an adapter holding component which is disposed in a space between an upper front corner of the design panel and the indoor heat exchanger and which holds a wireless LAN adapter.

Description

Indoor unit of air conditioner

This disclosure relates to an indoor unit of an air conditioner equipped with a wireless LAN adapter.

The number of models that can be remotely controlled is increasing in the indoor units of current air conditioners. In order to remotely control the air conditioner, it is necessary to mount a wireless LAN adapter in the indoor unit and convert the remote signal into a signal for the air conditioner (see, for example, Patent Document 1). In Patent Document 1, a space for arranging the wireless LAN adapter is provided immediately behind the front panel of the housing of the air conditioner, and the wireless LAN adapter is arranged in the space.

Japanese Unexamined Patent Publication No. 2015-81723

The air conditioner of Patent Document 1 has a problem that a dedicated space is provided for arranging the wireless LAN adapter, which increases the depth of the indoor unit and causes the indoor unit to become large.

The present disclosure has been made to solve the above-mentioned problems, and an object of the present disclosure is to provide an indoor unit of an air conditioner in which a wireless LAN adapter can be installed without inviting an increase in size.

The indoor unit of the air conditioner according to the present disclosure is arranged in a housing having a base mounted on a wall surface and a rectangular design panel mounted on the front surface of the base and having an open back surface. A blower that sucks air into the housing from a suction port formed on the upper surface of the design panel, an indoor heat exchanger arranged between the suction port and the blower, and a corner above the front surface of the design panel and an indoor heat exchanger. It is arranged in the space between the two and is provided with an adapter holding component for holding the wireless LAN adapter.

According to the present disclosure, an adapter holding portion for holding the wireless LAN adapter is arranged in the space between the upper front corner of the design panel and the indoor heat exchanger, which exists as a dead space in the housing. Therefore, the wireless LAN adapter can be arranged without increasing the size of the housing.

It is a perspective view of the indoor unit of the air conditioner which concerns on embodiment. It is a perspective view of the state in which the front panel is removed from the indoor unit of the air conditioner which concerns on embodiment. It is a schematic vertical sectional view of the indoor unit of the air conditioner which concerns on embodiment. It is an exploded perspective view of the design panel of the indoor unit of the air conditioner which concerns on embodiment. It is an enlarged sectional view of the wireless LAN adapter installation part in the indoor unit of the air conditioner which concerns on embodiment. It is a perspective view of the adapter holding part of the indoor unit of the air conditioner which concerns on embodiment. It is a front view of the adapter holding part of the indoor unit of the air conditioner which concerns on embodiment. It is a perspective view of the wireless LAN adapter installed in the indoor unit of the air conditioner which concerns on embodiment.

FIG. 1 is a perspective view of an indoor unit of the air conditioner according to the embodiment. FIG. 2 is a perspective view showing a state in which the front panel is removed from the indoor unit of the air conditioner according to the embodiment. FIG. 3 is a schematic vertical sectional view of an indoor unit of the air conditioner according to the embodiment. FIG. 4 is an exploded perspective view of the design panel of the indoor unit of the air conditioner according to the embodiment. In the following explanation, expressions indicating the directions such as "top", "bottom", "left", "right", "front", "rear", "front", "back", etc. are used, but the indoor unit It means the direction when 1 is viewed from the front side. Terms in these directions are for illustration purposes only and are not intended to limit this disclosure.

The air conditioner is equipped with an indoor unit 1, an outdoor unit (not shown), and a remote controller (not shown). The indoor unit 1 is connected to an outdoor unit (not shown) by a refrigerant pipe (not shown), and adjusts the air conditioning in the room by using a refrigerating cycle for circulating the refrigerant.

In the air conditioner, information is transmitted and received from each other by communication between the indoor unit 1 and the outdoor unit (not shown).

The housing 2 of the indoor unit 1 includes a base 3 that is attached to a wall surface, and a rectangular parallelepiped design panel 4 that is detachably attached to the front surface of the base 3 and has an open back surface. A suction port 10 for sucking indoor air is formed on the upper surface of the design panel 4, and an air outlet 11 for blowing air into the room is formed on the lower side of the design panel 4.

As shown in FIGS. 2 and 4, the design panel 4 is detachably attached to the design panel main body 5, the suction port panel 6 attached to the back surface of the design panel main body 5, and the front surface of the design panel main body 5 so as to be removable and openable. The front panel 7 (see FIG. 1) is provided. An opening 5a for inserting / removing the wireless LAN adapter 50 is formed on the front surface of the design panel main body 5.

As shown in FIG. 4, the suction port panel 6 has a front surface portion 8 and an upper surface portion 9 extending rearward from the upper end portion of the front surface portion 8. The above-mentioned suction port 10 is formed on the upper surface portion 9 of the suction port panel 6. As shown in FIG. 3, a filter 12 for removing dust in the air is arranged downstream of the suction port 10.

An indoor heat exchanger 20 and a blower 21 are arranged in the housing 2. The indoor heat exchanger 20 is arranged in the middle of the air passage from the suction port 10 to the blower 21. The indoor heat exchanger 20 is arranged in the housing 2 in an inverted V shape in a side view. The indoor heat exchanger 20 exchanges heat between the indoor air sucked from the suction port 10 and the refrigerant, and makes the indoor air cold or warm. Cold air or warm air is supplied into the room from the air outlet 11.

By the way, in the conventional indoor unit, a dedicated space is installed to place the wireless LAN adapter just behind the front panel, and the structure is such that the depth of the indoor unit increases.

On the other hand, in the indoor unit 1 of the first embodiment, as shown in FIG. 3, the wireless LAN adapter 50 is arranged in the space 22 between the upper front corner of the design panel 4 and the indoor heat exchanger 20. It is a space to do. In the example of FIG. 3, since the filter 12 curved along the indoor heat exchanger 20 is arranged on the front side of the indoor heat exchanger 20, specifically, the upper side of the front surface of the filter 12 and the design panel 4. The space 22 between the corners and the corners of the wireless LAN adapter 50 is used as an arrangement space for the wireless LAN adapter 50. This space 22 is a place existing as a so-called dead space in the housing 2. Therefore, even if the wireless LAN adapter 50 is arranged in this space 22, the housing 2 does not become large, and it is possible to give a grace to the design. Hereinafter, a specific structure for arranging the wireless LAN adapter 50 in the space 22 will be described.

As shown in FIG. 3, the suction port panel 6 has a holding component mounting portion 30 at a corner between the front surface portion 8 and the upper surface portion 9 behind the opening 5a of the design panel main body 5. The holding component mounting portion 30 is a portion to which the adapter holding component 40 (see FIG. 4) that holds the wireless LAN adapter 50 is mounted. The front surface of the holding component mounting portion 30 is open, and the adapter holding component 40 is inserted from the opening toward the rear inside the holding component mounting portion 30. As shown in FIG. 4, a pair of upper locking holes 31 separated from each other to the left and right are formed on the front side of the upper surface of the holding component mounting portion 30, and are located at the center of the lower surface of the holding component mounting portion 30 on the front side in the left-right direction. Is formed with a lower locking hole 32.

FIG. 5 is an enlarged cross-sectional view of a wireless LAN adapter installation portion in the indoor unit of the air conditioner according to the embodiment. FIG. 6 is a perspective view of the adapter holding component of the indoor unit of the air conditioner according to the embodiment. FIG. 7 is a front view of the adapter holding component of the indoor unit of the air conditioner according to the embodiment. FIG. 8 is a perspective view of a wireless LAN adapter installed in the indoor unit of the air conditioner according to the embodiment.

The adapter holding component 40 is a holding component that detachably holds the wireless LAN adapter 50. The adapter holding component 40 is configured as a separate component from the design panel 4. As shown in FIG. 5, the adapter holding component 40 is formed in a horizontally U-shape in a vertical cross-sectional view, and has an upper piece portion 41, a lower piece portion 42, and a connecting piece portion 43 connecting them. A storage space S for accommodating the wireless LAN adapter 50 is formed by the upper piece 41, the lower piece 42, and the connecting piece 43. As shown in FIG. 5, the storage space S is an inclined space that inclines upward from the front to the rear in a state where the adapter holding component 40 is attached to the holding component mounting portion 30 of the suction port panel 6. There is.

As shown in FIG. 6, on the upper surface of the lower piece 42 of the adapter holding component 40, the wireless LAN adapter 50 stored in the storage space S is engaged in front of the wireless LAN adapter 50 so as not to fall from the adapter holding component 40. A pair of locking projections 46 are formed to stop. The upper piece 41 of the adapter holding component 40 is provided with a pressing member 47 that presses the wireless LAN adapter 50 stored in the storage space S from above. The number of locking projections 46 is not limited to two and is arbitrary. Further, the number of pressing members 47 is also arbitrary.

As shown in FIGS. 6 and 7, the upper piece 41 of the adapter holding component 40 is provided with a pair of hooks 44 separated from each other on the left and right. As shown in FIG. 7, a protrusion 45 projecting downward is formed on the lower surface of the lower piece portion 42 of the adapter holding component 40. The adapter holding component 40 configured in this way locks the pair of hooks 44 into the pair of upper locking holes 31 of the holding component mounting portion 30 of the suction port panel 6, and also locks the protrusion 45 into the holding component mounting portion 30. By locking in the lower locking hole 32, it is attached to the holding component mounting portion 30.

The suction port panel 6 is attached to the back surface of the design panel main body 5 with the adapter holding component 40 attached to the holding component attachment portion 30, and the wireless LAN adapter 50 is attached / detached via the opening 5a of the design panel main body 5. It is possible.

When the wireless LAN adapter 50 is attached to the adapter holding component 40, the wireless LAN adapter 50 is turned diagonally upward and stays in the storage space S until the back surface 50b of the wireless LAN adapter 50 comes into contact with the connecting piece 43 of the adapter holding component 40. Plug it in. In a state where the back surface 50b of the wireless LAN adapter 50 is in contact with the connecting piece 43 and inserted into the storage space S, a pair of locking projections 46 are locked to the front surface 50a of the wireless LAN adapter 50, and the wireless LAN adapter 50 is engaged. It is sandwiched between a pair of locking projections 46 and a connecting piece 43. Further, the upper surface of the wireless LAN adapter 50 is pressed by the pressing member 47.

As a result, the wireless LAN adapter 50 is held by the adapter holding component 40 without slipping forward from the adapter holding component 40. Therefore, when the front panel 7 is opened from the design panel main body 5, it is possible to prevent the wireless LAN adapter 50 from slipping forward from the adapter holding component 40, thereby preventing damage to the wireless LAN adapter 50 and ensuring user safety. be able to. Here, the wireless LAN adapter 50 is inserted into the storage space S until the back surface of the wireless LAN adapter 50 abuts on the connecting piece 43, but the back surface of the wireless LAN adapter 50 does not necessarily abut on the connecting piece 43. It does not have to be.

Further, since the storage space S of the wireless LAN adapter 50 is an inclined space diagonally upward from the front, the wireless LAN adapter 50 can be attached to the adapter holding component 40 by inserting it diagonally upward from a low position. Since the wireless LAN adapter 50 is inserted diagonally upward in this way, it is easier to install even from a lower position than when the wireless LAN adapter 50 is inserted in the horizontal direction.

The LAN connection method is described in the wireless LAN adapter 50, and it may be desired to remove the wireless LAN adapter 50 from the adapter holding component 40 and check the LAN connection method at the time of initial connection or reconnection setting of the indoor unit installation. .. Even when the wireless LAN adapter 50 is removed, it can be easily removed even from a low position because it can be pulled out downward as compared with the case where the wireless LAN adapter 50 is pulled out in the horizontal direction. Therefore, it is easy for a short user to put on and take off, and the workability for putting on and taking off can be improved.

Since the adapter holding component 40 has a structure for holding the wireless LAN adapter 50 without using screws or tapes, it is possible to obtain the effect of cost reduction at the same time. Further, since the adapter holding component 40 is a separate body from the design panel 4, the adapter holding component 40 can be molded by itself and can be manufactured separately from the design panel 4. Therefore, it is possible to obtain an effect that does not cause complication of the molds of the adapter holding component 40 and the design panel 4.

As described above, the indoor unit 1 of the air conditioner according to the first embodiment has a base 3 mounted on the wall surface and a rectangular parallelepiped design panel 4 mounted on the front surface of the base 3 and having an opening 5a on the back surface. A housing 2 having the above is provided. Further, the indoor unit 1 is arranged in the housing 2 and is located between the blower 21 that sucks air into the housing 2 from the suction port 10 formed on the upper surface of the design panel 4 and the suction port 10 and the blower 21. It is provided with an arranged indoor heat exchanger 20. The indoor unit 1 is further arranged in the space 22 between the upper front corner of the design panel 4 and the indoor heat exchanger 20, and includes an adapter holding component 40 that detachably holds the wireless LAN adapter 50.

The space 22 between the upper front corner of the design panel 4 and the indoor heat exchanger 20 is a portion existing as a dead space. By arranging the adapter holding component 40 for holding the wireless LAN adapter 50 in this space 22, the wireless LAN adapter 50 can be arranged without increasing the size of the housing 2. Therefore, it is possible to give a grace to the design.

In the conventional structure, it was necessary to provide a dedicated space for arranging the wireless LAN adapter. Therefore, if the wireless LAN adapter is to be arranged without changing the size of the housing, the space for installing the indoor heat exchanger or the like must be reduced. In this case, the installation of the indoor heat exchanger or the like can be restricted, and the performance is deteriorated. On the other hand, in the first embodiment, since the wireless LAN adapter 50 is arranged in the dead space, such a performance deterioration due to the arrangement of the wireless LAN adapter 50 can be suppressed.

Also, in the conventional structure in which a dedicated space is provided for arranging the wireless LAN adapter, if the wireless LAN adapter is an optional component instead of the default product, the dedicated space becomes a dead space. On the other hand, in the first embodiment, since the space 22 which was originally a dead space is utilized as the arrangement space of the wireless LAN adapter 50, the inconvenience of increasing the dead space does not occur.

The indoor heat exchanger 20 is arranged in the housing 2 in an inverted V shape in a side view.

Therefore, a triangular space 22 is formed from the side view between the upper front corner of the design panel 4 and the indoor heat exchanger 20, and this space 22 can be used as a space for arranging the wireless LAN adapter 50.

The adapter holding component 40 has a storage space S for storing the wireless LAN adapter 50, and the storage space S is formed so as to extend diagonally upward from the front.

Therefore, the wireless LAN adapter 50 can be attached / detached to / from the adapter holding component 40 from a low position, and the attachment / detachment workability can be improved.

The adapter holding part 40 is a separate body from the design panel 4.

Therefore, the adapter holding part 40 can be molded by itself and can be manufactured separately from the design panel 4. Therefore, it is possible to obtain an effect that does not cause complication of the molds of the adapter holding component 40 and the design panel 4.

The adapter holding component 40 has a locking projection 46 that comes into contact with the front surface of the wireless LAN adapter 50 stored in the storage space S to prevent the wireless LAN adapter 50 from falling. Further, the adapter holding component 40 has a pressing member 47 that presses the upper surface of the wireless LAN adapter 50 housed in the storage space S from above.

This makes it possible to prevent the wireless LAN adapter 50 from falling from the adapter holding component 40. Further, since the wireless LAN adapter 50 is locked and held by the locking projection 46, it does not need to be fixed with screws or tape.

The design panel 4 includes a design panel main body 5 and a suction port panel 6 attached to the back surface of the design panel main body 5, and the suction port panel 6 is provided with a holding component mounting portion 30 to which the adapter holding component 40 is attached. There is.

In this way, by holding the adapter holding component 40 in the holding component mounting portion 30 provided on the suction port panel 6, the wireless LAN adapter 50 can be held in the housing 2.

A filter 12 for removing dust in the air is arranged on the front side of the indoor heat exchanger 20, and an adapter holding component 40 is arranged in a space 22 between the filter 12 and the upper front corner of the design panel 4. There is.

In this way, the adapter holding component 40 can be held in the space 22 between the filter 12 and the upper front corner of the design panel 4.

1 indoor unit, 2 housing, 3 base, 4 design panel, 5 design panel body, 5a opening, 6 suction port panel, 7 front panel, 8 front part, 9 upper surface part, 10 suction port, 11 outlet, 12 Filter, 20 indoor heat exchanger, 21 blower, 22 space, 30 holding parts mounting part, 31 upper locking hole, 32 lower locking hole, 40 adapter holding parts, 41 upper piece, 42 lower piece, 43 connecting piece Part, 44 hook, 45 protrusion, 46 locking protrusion, 47 holding member, 50 wireless LAN adapter, 50a front, 50b back, S storage space.

Claims

A housing having a base mounted on a wall surface and a rectangular parallelepiped design panel mounted on the front surface of the base and having an open back surface.
A blower arranged in the housing and sucking air into the housing from a suction port formed on the upper surface of the design panel.
An indoor heat exchanger arranged between the suction port and the blower,
An indoor unit of an air conditioner provided with an adapter holding component for holding a wireless LAN adapter, which is arranged in a space between an upper corner portion on the front surface of the design panel and the indoor heat exchanger.
The indoor unit of the air conditioner according to claim 1, wherein the indoor heat exchanger is arranged in the housing in an inverted V shape in a side view.
The indoor unit of the air conditioner according to claim 1 or 2, wherein the adapter holding component has a storage space for accommodating a wireless LAN adapter, and the storage space extends obliquely upward from the front. ..
The indoor unit of the air conditioner according to claim 3, wherein the adapter holding component is a separate body from the design panel.
The air conditioner according to claim 3 or 4, wherein the adapter holding component has a locking projection that abuts on the front surface of the wireless LAN adapter housed in the storage space to prevent the wireless LAN adapter from falling. Indoor unit.
The indoor unit of the air conditioner according to any one of claims 3 to 5, wherein the adapter holding component has a pressing member that presses the upper surface of the wireless LAN adapter housed in the storage space from above.
The claim that the design panel includes a design panel main body and a suction port panel attached to the back surface of the design panel main body, and the suction port panel is provided with a holding component attachment portion to which the adapter holding component is attached. The indoor unit of the air conditioner according to any one of claims 1 to 6.
A claim in which a filter for removing dust in the air is arranged on the front side of the indoor heat exchanger, and the adapter holding component is arranged in a space between the filter and the upper front corner of the design panel. The indoor unit of the air conditioner according to any one of items 1 to 7.