JPH0646101B2 - Power conditioner water treatment device for air conditioner - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water treatment device for a power supply plate of an air conditioner outdoor unit.

2. Description of the Related Art In recent years, power control boards for outdoor units of air conditioners have increased in number and types of electrical components such as electronic control units, capacitors, terminals, etc., due to the diversification of control surfaces. The resin is used to integrally form the storage part, and the number of parts is minimized to reduce the number of assembly steps.

As for the outer box of the outdoor unit of the air conditioner, in order to reduce the number of parts, the side surface, top surface, and back surface are integrated, and the front plate that also functions as an air guider is attached and detached from the front surface by appropriate means such as claws and screws. It is configured to be installed as possible.

The structure of the outdoor unit in the above-described conventional air conditioner will be described below with reference to the drawings.

In FIGS. 2 and 3, 1 is a front plate, 2 is an outer surface 3, a power supply plate, and 4 is a substrate.

In this structure, the front plate 1 is fixed in the vertical direction by engaging the two claws 6 on the left side with the notch holes 2a provided in the outer box 2 in the upper part, and in the lower part,
It is fixed at two places with fixing screws 5.

Problems to be Solved by the Invention In the above configuration, when removing the front plate 1 at the time of service,
The fixing screw 5 is removed, and then the claw 6 on the upper part of the front plate is removed. At that time, on the left side of the front plate 1, since the front plate 1 is pushed downward by the two claws 6 as shown in FIG. 4 (a), the separation gap between the front plate 1 and the substrate 4 is secured. Cheap.

However, on the right side of the front plate 1, a claw cannot be provided in order to prevent water from entering the inside of the power supply plate.
As shown in (b), the front plate 1 cannot be pushed down, and in some cases, the substrate 4 and the front plate 1 come into close contact with each other, which makes it difficult to remove the front plate during service.

The present invention has been made in view of the above problems, and an object of the present invention is to ensure the rainwater intrusion treatment of the power supply unit and to facilitate the removal of the front plate.

Means for Solving the Problems In order to solve the above problems, the present invention provides a notch portion that enables engagement with a claw of a front plate (grill plate) in the vicinity of an electrical component storage portion in an outer box. It is provided with a dish-shaped water receiver below the cutout.

With such a configuration, rainwater that has entered from the engaging portions of the claws of the front plate and the cutout portions is received by the water receiving portion, so that it is prevented from dripping on the electrical component housing portion. Further, since the outer box is provided with the claws on both sides, the work of detaching from the substrate becomes easy.

Embodiment An embodiment of the present invention will be described below with reference to FIG.

In the figure, 4 is a substrate on which a compressor 4a and the like are placed, 2 is an outer box having left and right side surfaces, a back surface, and a top surface. In addition to the cutout portion shown in FIG. A notch (not shown) is also provided in the vicinity of the joint with the side surface on the top surface. The lower part of the outer box 2 is screwed to the substrate 4. Reference numeral 3 denotes a power supply box provided in the outdoor unit main body A composed of the outer box 2 and the substrate 4, which is made of synthetic resin and stores power supply components for controlling the operation of the compressor 4a and the like. Reference numeral 1 is a front plate (grill plate) that closes the opening of the outdoor unit main body A, a claw 6 that engages with a cutout portion of the outer box 2 is provided at an upper end, and a lower end is fixed to the substrate 4 with a fixing screw. Fixed at 5. Reference numeral 7 denotes a dish-shaped water receiving portion integrally formed with the power supply box 3, which is located below an engaging portion between the claw 6 and the cutout portion, and bypasses the side of the power supply box 3 to one side. A drainage portion 7a extending downward is provided.

In the above configuration, when the front plate 1 is removed for maintenance and inspection, the claw 6 and the notch are engaged with each other at a predetermined position over the entire width, so that the elasticity of the claw 6 is used for the front plate 1. The lower part of the front plate 1 can be easily separated from the substrate 4, and as a result, the front plate 1 can be removed smoothly.

Further, rainwater that has entered from the engaging portion between the claw 6 and the notch in the vicinity of the power supply box 3 is received by the water receiving portion 7, and the drainage portion 7
Since it is guided to the board 4 by bypassing the power supply box 3 from a, there is no possibility of dropping into the power supply box 3 and causing an electric leakage accident.
Safety is secured.

EFFECTS OF THE INVENTION As described above, according to the present invention, the front plate upper part is fixed by the engagement of the notch provided at a predetermined position and the notch portion over the entire width of the front plate and the outer box, so that maintenance and inspection can be performed. The front plate can be easily removed at times, etc., improving workability. In addition, due to this facilitation, even if rainwater enters from the engaging part between the claw and the notch near the electrical component storage part, the rainwater is received by the water receiving part and drip into the electrical component storage part. Since it does not occur, it is possible to obtain effects such as ensuring safety.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part of an air conditioner according to an embodiment of the present invention, FIG. 2 is a perspective view in which a main part of an air conditioner showing a conventional example is cut away, and FIG. 3 is a front view of the air conditioner. Figure, Figure 4
3A and 3B are enlarged cross-sectional views of a main part taken along the lines AA and BB of FIG. 3, respectively. A: Outdoor unit body, 1 ... Front plate, 2 ... Outer box,
3 ... power supply box, 4 ... substrate, 5 ... fixing screw, 6 ...
Claw, 7 ... Water receiving part, 7a ... Draining part.

Front page continuation (72) Inventor Yukitaka Sanyanagi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References Sho 57-101872 (JP, U)

Claims (1)

[Claims] 1. An outdoor unit is constituted by an outer box having a board provided with a compressor, a heat exchanger and the like, a top surface and opposite side surfaces, and fixed to the board. A front plate that is fixed to the box and closes the opening surface of the outdoor unit is provided, and in the vicinity of the opening edge inside the outdoor unit, an electrical component storage section that controls the operation of the compressor and the like is provided. A notch portion located in the vicinity of the electrical component storage portion is provided on the peripheral edge of the opening, and further on the front plate,
In an air conditioner provided with a protrusion that engages with the cutout portion when attached to the outer box, an air conditioner provided with a dish-shaped water receiving portion located below the engagement portion between the cutout portion and the protrusion. Water treatment equipment power source of the machine.