JP2021067443A - Outdoor unit - Google Patents

Abstract

To provide an outdoor unit capable of implementing a temporary fixture of a front door while preventing water from entering a machine chamber.SOLUTION: On an opposed surface 12b of a heat exchange side plate 12 installed on an end face of a left side face of an outdoor heat exchanger 11 in an outdoor unit 1 and a vertical surface 16a in a front end of a horizontal plate 16 connected to an upper end of a motor support base 13, a projection 12b1 and a projection 16a1 are provided as support means which catch and support a front face part 2a and a side face part 2b of a front panel 2 so as to temporarily fix them. Therefore, the front panel 2 is supportable so as to be temporarily fixed only by a member installed at the side of a ventilation chamber 10 without the need to form a through hole for locking the front panel 2 on a partition plate 6. Thus, even in the case where wind and rain are blown to the front panel 2 of the outdoor unit 1, water entering the outdoor unit 1 from a gap, etc., between the front panel 2 and a side panel 4 is prevented from reaching the inside of a machine chamber 20, and the product lifetime is prevented from being shortened by rusting caused by depositing water on a compressor 21 within the machine chamber 20.SELECTED DRAWING: Figure 4

Description

The present invention relates to an outdoor unit such as an air conditioner that heats and cools a room.

Conventionally, in this type of thing, a plurality of locking protrusions protruding rearward are formed on one end side of the front plate constituting the housing, and locking claws are formed on the other end side of the front plate to form a partition plate. Insert the locking protrusion on one end side of the front plate into the formed through hole, rotate the other end side of the front plate, and hook the locking claw on the heat exchange side plate installed at the upper end of the outdoor heat exchanger. There was something that temporarily fixed the outdoor unit by pushing it backwards. (For example, Patent Document 1)

Japanese Unexamined Patent Publication No. 2006-242544

However, in this conventional one, a through hole for temporary fixing is formed in the partition plate so as to communicate with the machine room side where the driving parts such as the compressor are installed, and the through hole for temporary fixing is a locking claw. Since the size must be larger than that of the outdoor unit, if water is sprayed on the front plate of the outdoor unit due to heavy wind and rain, the water that has entered the inside of the housing through the gap between the front plate and the side plate. May enter the machine room through the through hole of the partition plate.
If water that has entered the machine chamber adheres to the compressor, rust may be generated on the surface of the compressor, which may shorten the product life, and there is room for improvement.

Therefore, an object of the present invention is to provide an outdoor unit capable of temporarily fixing the front plate without water entering the machine room.

In order to solve the above problems, in claim 1 of the present invention, a box-shaped housing and a box-shaped housing are used.
A partition plate that divides the internal space of the housing into a blower room and a machine room,
There is a front plate that constitutes the housing and covers the front surface and the side surface on the air vent chamber side.
In the blower room
An outdoor heat exchanger installed so that one side faces the side surface portion of the front plate, and a heat exchange side plate installed at the one end of the outdoor heat exchanger and close to the side surface portion of the front plate. ,
A blower fan that allows air to pass through the housing by rotational drive, a motor support base that supports the blower fan, and a front end that is connected to the upper end of the motor support base and extends in the horizontal direction with the front portion of the front plate. With a horizontal plate in close proximity,
In the machine room
It has a compressor that compresses the refrigerant and sends it to the refrigerant pipe, and a drive component connected to the refrigerant pipe.
The outdoor heat exchanger is characterized in that a support means for locking and temporarily fixing the front plate is provided at the heat exchange side plate and the front end of the horizontal plate.

Further, in claim 2, a through hole is formed in the upper end edge of the front plate.
The supporting means is characterized in that it is formed of a protrusion inserted into the through hole.

According to the present invention, since the support means for locking the front plate and temporarily fixing the front plate is provided at the heat exchange side plate of the outdoor heat exchanger and the front end of the horizontal plate, it is installed on the blower chamber side of the housing. Since the front plate can be temporarily supported by only the member, it is possible to prevent the water that has entered the housing from adhering to the compressor in the machine chamber, causing rust and shortening the product life. ..

It is a perspective view explaining the outdoor unit of this invention. It is a top view of the outdoor unit of the present invention in a state where the top plate is removed. It is a perspective view in a state where the top plate and the front plate of the outdoor unit of the present invention are removed. It is a perspective view in the state which the upper surface plate of the outdoor unit of the present invention is removed. It is a partially enlarged view explaining the structure of the heat exchange side plate of the present invention. It is an enlarged view of the part A of FIG. 4 explaining the temporarily fixed state in the side surface part of the front plate of the present invention. It is a partial enlarged view explaining the structure of the front end portion of the horizontal plate installed at the upper end of the motor support of the present invention. It is an enlarged view of the part B of FIG. 4 explaining the temporarily fixed state in the front part of the front plate of the present invention.

Next, one embodiment of the present invention will be described.
See FIGS. 1 and 2. Reference numeral 1 denotes an outdoor unit of an air conditioner composed of a box-shaped housing.
The outdoor unit 1 includes a front plate 2 arranged so as to cover the front surface and the left side surface of the housing, a top plate 3 arranged on the upper surface of the housing, and a part of the front surface and the right side surface of the housing. It is composed of a side plate 4 arranged so as to cover and a bottom plate 5 arranged on the bottom surface.

The front plate 2 has a front surface portion 2a covering the front surface of the housing and a side surface portion 2b covering the left side surface of the housing continuously formed, and has a substantially L shape in a plan view. Further, a plurality of openings 2b1 are formed in the side surface portion 2b, so that air can flow into the housing.

See FIGS. 2 and 3. Reference numeral 6 denotes a partition plate for partitioning the space inside the housing, and the left side partitioned by the partition plate 6 is the air blowing chamber 10 and the right side is the machine room 20. In the partition plate 6, the lower end portion of the front end on the right side on the front side is connected and fixed to the vertical wall surface of the bottom plate 5 by screws, extends rearward from the front end position, and then bent to the right at a predetermined angle. The end is connected and fixed to the end surface of the side plate 4 having a substantially U-shape in a plan view by a screw.

Further, at the upper end of the partition plate 6, a bent portion 6a bent toward the machine room 20 side is provided. The upper end portion of the front surface portion 2a of the front surface plate 2 can be screwed to the bent portion 6a.

Next, the members installed in the blower chamber 10 will be described.
See FIGS. 2 and 3. In the blower chamber 10, an outdoor heat exchanger 11 located from the rear to the left side surface and a motor support base 13 located in front of the outdoor heat exchanger 11 are erected. Further, the motor 14 is installed on the motor support base 13 at a substantially central position in the height direction, and the blower fan 15 is pivotally supported on the motor shaft 14a of the motor 14, so that the blower fan is rotated at a predetermined rotation speed. 15 can be rotationally driven.

Further, heat exchange side plates 12 are installed at the upper ends and lower ends of the end faces on the left side surface of the outdoor heat exchanger 11. The position of the outdoor heat exchanger 11 is fixed by connecting and fixing the heat exchange side plate 12 on the lower end side to the vertical wall surface of the bottom plate 5 with screws. Then, the left side surface, which is one side of the heat exchange side plate 12, is installed at a position close to the side surface portion 2b of the front plate 2.

A horizontal plate 16 extending forward is connected to the upper end of the motor support base 13, and a vertical surface 16a extending vertically upward is formed at the front end of the horizontal plate 16. The vertical surface 16a is connected and fixed to the front surface portion 2a by a screw because it is located close to the upper end edge of the front surface portion 2a of the front surface plate 2.

Next, the constituent members of the machine room 20 will be described.
See FIGS. 2 and 3. Reference numeral 21 denotes a compressor that compresses and extrudes the refrigerant to a high temperature and high pressure, and 22 is a refrigerant pipe that connects to the compressor 21 and allows the refrigerant to flow. In the middle of the refrigerant pipe 22, a compressor such as an expansion valve or a four-way valve is used. A plurality of drive components other than 21 are connected. Further, since the refrigerant pipe 22 is connected to the tube of the outdoor heat exchanger 11 and the refrigerant flows in the tube of the outdoor heat exchanger 11, when the blower fan 15 is driven, the outdoor air and heat in the outdoor heat exchanger 11 are heated. Exchange.

Therefore, the refrigerant compressed by the compressor 21 is sent to the indoor unit (not shown) through the refrigerant pipe 22, and is blown by the indoor fan, so that the heating operation for blowing high temperature air into the room becomes possible.
Further, the refrigerant compressed by the compressor 21 passes through the outdoor heat exchanger 11 and the expansion valve, is sent to the indoor unit (not shown), and is blown by the indoor fan, so that the cooling operation of blowing low temperature air into the room is performed. It will be possible.

Next, a structure for temporarily fixing the front plate 2 will be described.
See FIG. The heat exchange side plate 12 installed at the upper end of the outdoor heat exchanger 11 is inside the outdoor heat exchanger 11 and has a tube fixing surface 12a for fixing a substantially U-shaped tube 11a through which the refrigerant passes, and the tube fixing surface 12a. It is composed of a facing surface 12b which is continuous with the surface 12a and is bent at a substantially right angle and is located at a position facing the side surface portion 2b of the front plate 2.

The tube fixing surface 12a is formed with a recess 12a1 recessed downward at the upper end of a surface continuous with the facing surface 12b.
The facing surface 12b is formed with a protrusion 12b1 extending vertically upward at the upper end and a screw hole 12b2 to which a screw can be screwed. The protrusion 12b1 constitutes a support means for locking and temporarily fixing the front plate 2.

Refer to FIG. 6, which is an enlarged view of part A in FIG. A vertical plane 2b2 extending vertically upward from the inside of the front plate 2 and a horizontal plane 2b3 extending vertically upward from the upper end of the vertical plane 2b2 and a horizontal plane 2b3 extending inward (rightward direction) of the outdoor unit 1 are formed on the upper portion of the side surface portion 2b of the front plate 2. A through hole 2b4 is formed between the vertical surface 2b2 and the horizontal plane 2b3, which are the upper end edges of the side surface portion 2b.
Further, a screw hole 2b5 to which a screw can be screwed is formed in the vertical surface 2b2.

Therefore, by inserting the protrusion 12b1 of the heat exchange side plate 12 into the through hole 2b4 formed at the upper end edge of the side surface portion 2b, the horizontal surface 2b3 is placed in the recess 12a1 and the side surface portion 2b can be suspended. The side surface portion 2b of the front plate 2 can be locked and temporarily fixed.

In addition, in order to allow the protrusion 12b1 to be inserted into the through hole 2b4, it is necessary to form the through hole 2b4 with a margin in the size of the hole diameter. On the other hand, regarding the hole diameter of the screw hole formed in the housing such as the screw hole 12b2, since it is necessary to closely fix the members to each other, the hole diameter is formed with a margin like the through hole 2b4. Since it is not necessary to do so, after the screw is screwed, water cannot enter through the screw hole.

See FIG. 7. The vertical surface 16a of the horizontal plate 16 is formed with protrusions 16a1 on the left and right ends that project forward and screw holes 16a2 to which screws can be screwed. The protrusion 16a1 constitutes a support means for locking and temporarily fixing the front plate 2.

Refer to FIG. 8 which is an enlarged view of the part B of FIG. A horizontal plane 2a1 extending inward (rearward direction) of the outdoor unit 1 and a vertical plane 2a2 extending upward from the rear end of the horizontal plane 2a1 are formed on the upper end edge of the front surface portion 2a of the front plate 2. Further, the vertical surface 2a2 is formed with a through hole 2a3 through which a protrusion 16a1 formed on the vertical surface 16a of the horizontal plate 16 can be inserted and a screw hole 2a4 into which a screw can be screwed.

Therefore, by inserting the protrusion 16a1 formed on the vertical surface 16a of the horizontal plate 16 into the through hole 2a3 formed on the upper end edge of the front surface portion 2a, the vertical surface 2a2 of the front surface portion 2a is caught by the protrusion 16a1 and the front surface Since the portion 2a can be suspended, the front portion 2a of the front plate 2 can be locked and temporarily fixed.

In addition, since the protrusion 16a1 can be inserted into the through hole 2a3, it is necessary to form the through hole 2a3 with a margin in the size of the hole diameter. On the other hand, regarding the hole diameter of the screw hole formed in the housing such as the screw hole 2a4, since it is necessary to closely fix the members to each other, the hole diameter is formed with a margin like the through hole 2a3. Since it is not necessary to do so, after the screw is screwed, water cannot enter through the screw hole.

Further, in the present embodiment, the description has been made with the content that the through hole 2a3 is caught in the return portion of the protrusion 16a1 to temporarily fix it, but the through hole 2a3 is caught not only in the return portion of the protrusion 16a1 but also in the upper end of the protrusion 16a1. It may be any one, as long as it can be temporarily fixed by catching a through hole at any part of the protrusion.

That is, at the time of temporarily fixing the front plate 2, the protrusion 16a1 formed on the vertical surface 16a of the horizontal plate 16 is inserted into the through hole 2a3 formed at the upper end edge of the front surface 2a and hooked, and the upper end of the side surface 2b is hooked. By inserting the protrusion 12b1 of the heat exchange side plate 12 into the through hole 2b4 formed in the above and hooking the protrusion 12b1, the front plate 2 can be locked and temporarily fixed.

See FIGS. 1, 4, and 8. During the temporary fixing operation of the front plate 2, the front plate 2 is suspended by the protrusions 16a1 of the horizontal plate 16 and the protrusions 12b1 of the heat exchange side plate 12. As a result, the vertical and horizontal positional deviations between the screw holes 2a4 of the vertical surface 2a2 on the upper end edge of the front surface 2a and the screw holes 16a2 formed on the vertical surface 16a of the horizontal plate 16 are minimized. Can be done.

See FIGS. 1, 4, and 6. The vertical and horizontal positional deviations between the screw holes 2b5 on the vertical surface 2b2 on the upper end edge of the side surface 2b and the screw holes 12b2 formed on the facing surface 12b of the heat exchange side plate 12 can be minimized. ..

Further, with respect to the through holes 2a3 and the through holes 2b4 formed in the front surface portion 2a and the side surface portions 2b of the front plate 2, the protrusions 16a1 formed on the vertical surface 16a of the horizontal plate 16 and the heat exchange side plate 12 Since the temporary fixing work is completed only by inserting the protrusion 12b1 formed on the facing surface 12b, the worker can easily perform the temporary fixing work and the workability is improved.

Further, in the final fixing work performed after the temporary fixing work of the front plate 2, the screw tightening work between the front portion 2 and the horizontal plate 16 and between the side surface portion 2b and the heat exchange side plate 12 is performed. Since the operator can screw the front plate 2 without correcting the position due to the positional deviation in the height direction and the left-right direction, the workability of the main fixing is improved.

Further, after the main fixing work of the front plate 2, the upper surface plate 3 covering the through holes 2a3, 2b4 and the protrusions 12b1 and 16a1 is covered and fixed by screws, so that water can easily enter from the upper surface side of the outdoor unit 1. There is nothing to do. Even if water invades between the front plate 2 and the top plate 3, only water invades the blower chamber 10 side through the through holes 2a3 and 2b4, and the intrusion of water into the machine room 20 Can be reliably prevented.

See FIGS. 4-8. The facing surface 12b of the heat exchange side plate 12 installed on the left end surface of the outdoor heat exchanger 11 in the outdoor unit 1 and the vertical surface 16a at the front end of the horizontal plate 16 connected to the upper end of the motor support base 13. In addition, since the protrusions 12b1 and the protrusions 16a1 are provided as support means for hooking the front surface portion 2a and the side surface portion 2b of the front surface plate 2 and temporarily fixing them, the front surface plate 2 is locked to the partition plate 6. Since the front plate 2 can be temporarily fixed and supported only by the members installed on the blower chamber 10 side without forming a through hole, the front plate 2 can be temporarily fixed even if wind and rain are sprayed on the front plate 2 of the outdoor unit 1. The water that has entered the outdoor unit 1 through the gap between the side plate 4 and the side plate 4 does not reach the inside of the machine room 20, and the water adheres to the compressor 21 in the machine room 20 to generate rust and shorten the product life. Can be prevented from becoming.

In the present embodiment, the outdoor unit 1 in the air conditioner that enables indoor heating and cooling by blowing cold air and hot air from the indoor unit connected by the refrigerant pipe 22 has been described, but the present invention is not limited to this. A hot water heating heat pump system that performs floor heating by connecting to a refrigerant pipe 22 that leads to a floor warming panel embedded under the floor, a heat pump hot water supply device that stores hot water in a hot water storage tank and uses it for hot water supply, bathing, etc., and geothermal heat. It is an invention applicable to the outdoor unit 1 used in various systems such as a geothermal heat pump device that exchanges heat with.

1 Outdoor unit (housing)
2 Front plate 2a3 Through hole 2b4 Through hole 6 Partition plate 10 Blower room 11 Outdoor heat exchanger 12 Heat exchange side plate 12b1 Protrusion (support means)
13 Motor support base 15 Blower fan 16 Horizontal plate 16a1 Protrusion (support means)
20 Machine room 21 Compressor 22 Refrigerant piping

Claims (2)

With a box-shaped housing
A partition plate that divides the internal space of the housing into a blower room and a machine room,
There is a front plate that constitutes the housing and covers the front surface and the side surface on the air vent chamber side.
In the blower room
An outdoor heat exchanger installed so that one side faces the side surface portion of the front plate, and a heat exchange side plate installed at the one end of the outdoor heat exchanger and close to the side surface portion of the front plate. ,
A blower fan that allows air to pass through the housing by rotational drive, a motor support base that supports the blower fan, and a front end that is connected to the upper end of the motor support base and extends in the horizontal direction with the front portion of the front plate. With a horizontal plate in close proximity,
In the machine room
It has a compressor that compresses the refrigerant and sends it to the refrigerant pipe, and a drive component connected to the refrigerant pipe.
An outdoor unit characterized in that a support means for locking and temporarily fixing the front plate is provided at the heat exchange side plate of the outdoor heat exchanger and the front end of the horizontal plate. A through hole is formed in the upper end edge of the front plate.
The outdoor unit according to claim 1, wherein the supporting means is formed of a protrusion inserted into the through hole.

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