JP5706809B2 - Air conditioner indoor unit - Google Patents

Description

  The present invention relates to an indoor unit of a floor-mounted air conditioner.

  Usually, an indoor unit of a floor-mounted air conditioner has a design surface on which three surfaces of a front surface, a left side surface, and a right side surface are designed. Moreover, the indoor unit of a floor-mounted air conditioner has a maintenance surface at the front, and maintenance work is performed from there. And a maintenance surface cannot be changed from the front to the back (for example, refer to patent documents 1).

JP-A-6-101866

  However, in the structure in which the design surface and the maintenance surface are fixed, it is difficult to cope with various installation modes of indoor units. For example, if there is no space to install an indoor unit in the room to be air-conditioned, install the indoor unit outside the room to be air-conditioned, and connect each of the indoor unit's outlet and suction ports to the room with a duct. There is a case in which a connection is made and the room is circulated and air-conditioned. If there is a space to install the indoor unit in the room to be air-conditioned, install the indoor unit in the room to be air-conditioned, connect it from the outlet of the indoor unit to the desired location with a duct, and In some cases, the air is blown from a desired place.

  If the positional relationship between the suction port and the design surface is fixed, the installation location and orientation are limited, so in some cases the surface on which the design is not applied may be touched by the human eye or maintenance may be sacrificed. In some cases, the duct route becomes complicated.

  An object of the present invention is to provide an indoor unit of a floor-standing air conditioner that has improved flexibility in installation location and orientation.

  An indoor unit of an air conditioner according to an embodiment of the present invention includes a blower unit, a suction port, a blowout port, a heat exchanger, and an internal device, and the blower unit allows air to flow from the suction port. In the indoor unit of an air conditioner that takes in air and sends it out from the outlet through the heat exchanger, either the first surface on which the suction port is disposed or the second surface on the opposite side of the first surface The maintenance unit is selected as a maintenance surface, and the blower unit and the internal device can be attached so that maintenance can be performed from the selected maintenance surface.

  In addition, as an indoor unit according to one embodiment of the present invention, a design for placing the first surface and the second surface on the side in contact with human eyes may be provided.

  Moreover, as an indoor unit according to an aspect of the present invention, an arrangement of the suction port and the heat exchanger is fixed, and the blower unit is attached and detached from the first surface, and the second unit Either an attachment method detachable from the surface is possible, and the internal device can be either an attachment method in the vicinity of the first surface or an attachment method in the vicinity of the second surface. There may be.

  Further, as the indoor unit according to one aspect of the present invention, the internal device has a structure in which an electrical component is housed in a box having an openable / closable lid, and when the electronic device is attached in the vicinity of the first surface, It may be attached in an orientation that can be opened and closed, and when attached in the vicinity of the second surface, it may be attached in an orientation that can be opened and closed from the second surface.

  Moreover, as an indoor unit according to an aspect of the present invention, the first surface where the suction port is disposed and the second surface where the suction port is not disposed have the same shape and structure and can be attached and detached. A cover may be provided that is possible and that allows access to the internal device when removed.

  Moreover, as an indoor unit according to one aspect of the present invention, the indoor unit further includes a blowout unit that is attached to the blowout port and sends out air from the blowout port in a predetermined direction, and the blowout unit is disposed on the first surface side. Either an attachment method for sending air or an attachment method for sending air to the second surface may be possible.

  ADVANTAGE OF THE INVENTION According to this invention, the indoor unit of the floor-mounted type air conditioning apparatus which improved the installation place and the freedom degree of installation direction can be provided.

It is a schematic block diagram of the indoor unit of the air conditioner by Example 1. It is a schematic block diagram in the other aspect of the indoor unit in Example 1. FIG. It is the figure which drew a mode that the air blower unit 2 was attached or detached from the front. It is the figure which drew a mode that the air blower unit 2 was attached or detached from the back surface. It is a figure which shows the standard installation aspect of the indoor unit of the floor type air conditioner by Example 1. FIG. It is a figure which shows the other installation aspect of the indoor unit of the floor-mounted air conditioner by Example 1. FIG. It is a figure which shows the installation aspect of the indoor unit by Example 2. FIG.

  Embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a schematic configuration diagram of an indoor unit of an air conditioning apparatus according to a first embodiment.

  Referring to FIG. 1, the indoor unit includes an electrical component box 1, a blower unit 2, a heat exchanger 3, a drain pan 4, a front-side electrical component box mounting plate 5, a rear-side electrical component box mounting plate 6, and a blower unit mounting plate 7. , Air outlet 8, suction port 9, expansion valve 12, compressor 13, emergency seed ren pan 14, front upper cover 15, rear upper cover 16, front lower cover 17, and rear lower cover 18.

  The indoor unit is installed in a room to be air-conditioned (a room to be air-conditioned) or another room, and the blower unit 2 takes in air from the air-conditioning target room from the inlet 9 and air-conditions from the outlet 9 through the heat exchanger 3. It is a device that delivers to the target room. The blower unit 2 is an integral part including an unillustrated blower, a blower motor, a transmission unit that transmits the driving force of the blower motor to the blower, a mounting plate that attaches the blower, the blower motor, and the transmission unit. Rotate to create an air flow.

  The indoor unit can be installed in various modes according to the environment of the installation location, etc., and select either the back side where the suction port is arranged or the front side on the opposite side as the maintenance surface 10, The blower unit 2 and the electrical component box 1 can be attached so that maintenance work can be performed from the selected maintenance surface 10. The maintenance work varies depending on each device, and includes, for example, replacement of devices and measurement of electric signals.

  FIG. 1 shows a state where the front side is the maintenance surface, but FIG. 2 shows a state where the back side is the maintenance surface. In the state of FIG. 2, the blower unit 2 can be inserted and removed from the back side, and the electrical component box 1 can be maintained from the back side.

  According to the present embodiment, it can be selected whether the front side or the back side is the maintenance surface according to the environment or the like, so that the front side faces the wall or the back side faces the wall. It is also possible to have a high degree of freedom in installation location and orientation.

  Moreover, the design for making the indoor unit of a present Example the side which touches a human eye is given to both the front and the back. According to this, even if either the front side or the back side is set to the wall side and any side is set to be in contact with the human eye, the surface touching the human eye is in a state in which the design is applied, and the design property is not impaired.

  Maintenance is performed with the maintenance surface cover removed. For example, as shown in FIG. 1, when the front surface is a maintenance surface, if maintenance is performed on the blower unit 2, the front upper cover 15 is removed and the maintenance is performed. For example, the blower unit 2 can be inserted into the indoor unit from a predetermined direction (the side described as the front side in FIG. 1), but has a structure that stops at a predetermined position and determines the position when inserted. Due to the structure, it cannot be inserted into the indoor unit from the opposite direction. Therefore, the blower unit 2 can be replaced from the maintenance surface by attaching the blower unit 2 so that the direction in which the blower unit 2 can be inserted is on the maintenance surface side of the indoor unit. In the case of maintenance of the electrical component box 1, the maintenance is performed by removing the front lower cover 17. On the other hand, when the back surface is a maintenance surface, if it is maintenance of the blower unit 2, the back upper cover 16 is removed and the maintenance is performed. For maintenance of the electrical component box 1, the rear lower cover 18 is removed and the maintenance is performed.

  Moreover, the indoor unit of a present Example is the position of the suction inlet 9 and the heat exchanger 3 which the air from the suction inlet 9 in the back hits the wide surface of the heat exchanger 3, and goes to the blower outlet 8 by a natural flow. The arrangement of the suction port 9 and the heat exchanger 3 is fixed so as to be related, and the maintenance surface is changed depending on how the blower unit 2 and the electrical component box 1 are attached. The blower unit 2 can be mounted by either a mounting method that can be detached from the front surface or a mounting method that can be detached from the rear surface. The electrical component box 1 can be either attached in the vicinity of the front or in the vicinity of the back.

  If the air path including the air inlet 9 and the heat exchanger 3 is changed due to the layout change, the wind speed may change in whole or in part, which may cause problems such as scattering of drain water and a decrease in air conditioning capability. . Therefore, in the present embodiment, by fixing the arrangement of the suction port 9 and the heat exchanger 3 as described above, it is possible to maintain a good path through which air flows and to prevent the drain water from splashing and the air conditioning capacity from being lowered. doing.

  The electrical component box 1 has a structure in which various electrical components are accommodated in a box having a lid that can be opened and closed. When the electrical component box 1 is attached in the vicinity of the front, it is attached in a direction that can be opened and closed from the front. Mounted in a direction that can be opened and closed. That is, the electrical component box 1 is reversed with movement when the front surface is used as a maintenance surface and when the rear surface is used as a maintenance surface. According to this, even in an installation mode in which either the front surface or the back surface is used as a maintenance surface, the electrical component box 1 can be opened without being removed and the components inside can be easily maintained.

  In addition to the blower unit 2 and the electrical component box 1, the indoor unit includes a compressor 13, a heat exchanger 3, an expansion valve 12, a drain pan 4, an emergency seed renpan 14, and the like. You may decide to be able to perform the work.

  The drain pan 4 includes a tray that receives moisture generated in the heat exchanger 3 and a drainage mechanism, and functions to drain the moisture generated in the heat exchanger 3. The emergency seed ren pan 14 includes a tray and a drain mechanism that receives and drains water that overflows due to the drain mechanism of the drain pan 4 being clogged.

  Both the front-side electrical component box mounting plate 5 and the rear-side electrical component box mounting plate 6 are plates for mounting to the electrical component box 1 and are arranged in symmetrical positions in the same shape. This facilitates the movement of the electrical component box 1. As an example, the front-side electrical component box mounting plate 5 and the back-side electrical component box mounting plate 6 may be configured integrally with the drain pan 4 and may form part of the drain pan. Thereby, the number of parts can be reduced and the cost can be reduced.

  In addition, the back upper cover 16, the front upper cover 15, the back lower cover 18, and the front lower cover 17 are decorative covers that are designed so that they may be touched by human eyes. The shape and structure of the cover (here, the lower back cover 18) provided on the back surface with the suction port 9 and the cover (here, the front lower cover 17) provided on the front surface without the suction port 9 are the same. It may be the same. According to this, the parts can be shared and the maintenance work can be shared.

  FIGS. 3A and 3B are diagrams illustrating how the blower unit 2 is attached and detached. FIG. 3A shows a case where the front surface is a maintenance surface, and FIG. 3B shows a case where the back surface is a maintenance surface.

  As can be seen from FIG. 3A, the blower unit 2 is fixed by screwing a screw into the blower unit mounting position 11 in a state where the blower unit 2 is inserted into the indoor unit from the front side until reaching the dead end. The plate-like member that forms the upper surface of the blower unit 2 is bent in an L shape downward on one side (the left front side in FIG. 3A). When the blower unit 2 is inserted into the indoor unit from the left front side in FIG. 3A, the portion bent downward in the plate-like member hits a member constituting the casing of the indoor unit, and the blower unit 2 does not enter any more. . The screw can be screwed in that position. Moreover, as can be seen from FIG. 3B, the blower unit 2 is inserted into the indoor unit from the back side until it reaches the dead end, and is fixed by screwing a screw into the blower unit mounting position 11. When the blower unit 2 is inserted into the indoor unit from the left front side in FIG. 3B, the portion bent downward in the plate-shaped member hits a member constituting the casing of the indoor unit, and the blower unit 2 does not enter any more. . The screw can be screwed in that position. Thus, the maintenance surface 10 of the blower unit 2 can be easily moved to the front or the back by the structure capable of reversing back and forth.

  FIG. 4 is a diagram illustrating a standard installation mode of the indoor unit of the floor-mounted air conditioner according to the first embodiment. FIG. 5 is a diagram illustrating another installation mode of the indoor unit of the floor-mounted air conditioner according to the first embodiment. 4 and 5, 20 is an indoor unit of a floor type air conditioner, 21 is a suction duct, 22 is a blowout duct, 23 is a room (air conditioning target room), and 24 is a maintenance surface.

  In the standard installation mode shown in FIG. 4, the indoor unit 20 is installed outside the room (air conditioning target room) 23, and the front side is a maintenance surface. On the other hand, in the installation mode shown in FIG. 5, the indoor unit 20 is installed in the room 23, and the rear surface is a maintenance surface. In any installation mode, designability and maintainability are ensured.

  Example 2 is an example of the installation aspect which blows off air directly from an indoor unit, without connecting a duct to the blower outlet 8 of an indoor unit. The indoor unit of the second embodiment is the same as that of the first embodiment.

  FIG. 6 is a diagram illustrating an installation mode of the indoor unit according to the second embodiment. In FIG. 6, 30 is an indoor unit of a floor-mounted air conditioner, 31 is a blowout unit, 32 is a room (air conditioning target room), and 33 is a maintenance surface. The blowout unit 31 is a device that is attached to the blowout port 8 and sends out air from the blowout port 8 in a predetermined direction.

  The blowing unit 31 can be either an attachment method for sending air in the direction of the back side or an attachment method for sending air in the direction of the front side. In FIG. 6, the blowing unit 31 is attached so as to send air to the back side. Moreover, the blowing unit 31 of the present embodiment includes upper and lower blades and left and right blades that blow air upward and downward and left and right, respectively.

  According to the present embodiment, both the duct connection type and the direct blowing type can be used with the same indoor unit, and if the direct indoor type is used, the connection of the duct becomes unnecessary.

  In Example 1, 2, although the indoor unit illustrated the structure by which the suction inlet was arrange | positioned in the back surface, this invention is not limited to this. In the indoor unit of the floor-mounted air conditioner, even when the suction port is arranged on the front side, as in the case of the first embodiment, the suction port is not provided in the installation mode in which the suction port and the maintenance surface are in the same direction. Even an installation mode that is in the opposite direction of the maintenance surface can be handled by one indoor unit, and the design and maintenance properties are not impaired.

  The above-described embodiments and examples of the present invention are examples for explaining the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can implement the present invention in various other modes without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Electrical box, 11 ... Blower unit attachment position, 12 ... Expansion valve, 13 ... Compressor, 14 ... Emergency seed ren pan, 15 ... Front upper cover, 16 ... Back upper cover, 17 ... Front lower cover, 18 ... Back Lower cover, 2 ... blower unit, 20 ... indoor unit, 21 ... suction duct, 22 ... outlet duct, 23 ... room, 3 ... heat exchanger, 30 ... indoor unit, 31 ... outlet unit, 32 ... room, 4 ... Drain pan, 5 ... Front side electrical component box mounting plate, 6 ... Back side electrical component box mounting plate, 7 ... Blower unit mounting plate, 8 ... Air outlet, 9 ... Suction port

Claims (5)

An air conditioner having a blower unit, a suction port, a blower outlet, a heat exchanger, and an internal device, and taking in air from the suction port by the blower unit and sending it from the blower outlet through the heat exchanger In the indoor unit of
The blower so that maintenance can be performed by selecting either the first surface on which the suction port is disposed or the second surface on the opposite side of the first surface, and maintenance can be performed from the selected maintenance surface. have a structure capable of mounting the unit and the internal device,
The arrangement of the suction port and the heat exchanger is fixed,
The blower unit can be either an attachment method that is removable from the first surface or an attachment method that is removable from the second surface,
The internal device is capable of both an attachment method in the vicinity of the first surface and an attachment method in the vicinity of the second surface.
An air conditioner indoor unit.   The indoor unit of the air conditioning apparatus according to claim 1, wherein a design is applied to both the first surface and the second surface. The internal device has a structure in which an electrical component is housed in a box having a lid that can be opened and closed. When the internal device is attached in the vicinity of the first surface, the internal device is attached in an orientation that can be opened and closed from the first surface. When attached in the vicinity of the surface of the second, it is attached in a direction that can be opened and closed from the second surface,
The indoor unit of the air conditioning apparatus of Claim 1 or 2 . The first surface on which the suction port is arranged and the second surface on which the suction port is not arranged have the same shape and structure and can be attached and detached, and when removed, access to the internal device The indoor unit of the air conditioning apparatus according to any one of claims 1 to 3 , wherein a cover is provided. A blower unit attached to the blowout port and further sending out air from the blowout port in a predetermined direction,
The blowing unit can be either an attachment method for sending air to the first surface side or an attachment method for sending air to the second surface side.
The indoor unit of the air conditioning apparatus as described in any one of Claim 1 to 4 .

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