JPH11230583A - Electrical part box of air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the electrical parts box of air-conditioner where its size is minimized for a control board using the parts box body of a sheet metal for forming, no gap is generated between the boxes, a mounting and fixing operation is simplified for improving working efficiency. SOLUTION: An electrical parts box is provided with a parts box body 20 that has a cutting part 24 at least at one side surface part by performing the bending machining of a metal plate body and whose side surface part 20f can be separated freely, a hole 32 for mounting that is provided at both sides of the cutting part 24 of the parts box body 20, and a support member 32 that is detachably gear-locked to one side part of a control board 21 where electrical control parts are mounted and at the same time is mounted to a hole 32 for mounting, mounts and fixes the control board 21 to the parts box body 20, and is a connection member for also mounting a board that connects both sides of the cutting part 24 of the parts box body 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric component box which constitutes an air conditioner, for example, to be mounted on an outdoor unit, and more particularly to a structure for mounting a control board on which electric control components are mounted to a component box body.

[0002]

2. Description of the Related Art Conventionally, in an air conditioner composed of an indoor unit and an outdoor unit, particularly in an outdoor unit, electric control parts for electrically controlling a compressor and a blower are provided on a control board (PC board). ) And housed in an electrical component box.

[0003] Initially, the above-mentioned electric component box is integrally formed of a synthetic resin material. However, some electric control components mounted on a control board are heavy, and the strength of the box itself is high. Is required, so that it has to be thick.

[0004] Therefore, not only is the cost of parts increased, which adversely affects the cost, but also the size of the box itself is increased, which hinders the miniaturization of the outdoor unit.

Therefore, instead of reducing the thickness, a component box body is formed by laminating a metal thin plate on the peripheral surface thereof, and a component box with increased strength has been used.

In order to mount and fix the control board to the component box main body, several parts (usually,
While four (4) edge spacers are integrally protruded, the control board is provided with mounting holes that engage with the edge spacers.

[0007]

However, in a configuration in which a thin metal plate is bonded to a synthetic resin material, it takes a lot of time and effort to manufacture, and cost reduction cannot be expected. In addition, since the edge spacer for mounting the control board still requires several places, it cannot be mounted unless the dimensional accuracy with the mounting hole provided on the control board is kept high.

In order to realize a reduction in cost, it is conceivable to employ a so-called sheet metal component box body in which the component box body is completely formed of a thin metal plate instead of a synthetic resin material.

In this case, one side surface of the component box main body is formed as an opening, and the control board is inserted through the opening and the control board is mounted and fixed to the component box main body using necessary means such as mounting screws. Become.

In other words, since the control board closes the opening of the component box main body, the dimensions must be set so that there is a sufficient gap between the periphery of the control board and the opening. Therefore, it becomes an obstacle to miniaturization of the electric parts box,
Conversely, if the size of the component box main body with respect to the control board is minimized, there arises a problem that the mounting of the control board becomes troublesome.

The present invention has been made in view of the above circumstances, and an object of the present invention is to use a component box body made of sheet metal in order to obtain a cost reduction. An air conditioner electrical component box that minimizes the size of the main body so that there is no gap between each other, facilitates the work of attaching and fixing the control board to the component box main body, and improves workability. It is intended to provide.

[0012]

In order to achieve the above object, an electric component box for an air conditioner according to the present invention is provided with a control board on which electric control components for driving and controlling a compressor, a blower and the like are mounted. In which a metal plate body is bent, a cut portion is provided on at least one side portion, and the side portion thereof is separable, and both sides of the cut portion of the component box body are cut off. A board mounting portion to be provided, detachably locked to one side of the control board, and attached to the board mounting portion to attach and fix the control board to the component box main body; And a connecting member for both mounting the substrate and connecting both sides.

According to a second aspect, in the electric component box of the air conditioner according to the first aspect, the component box body has an opening on one side different from the side where the cut is provided, and the cut is forced. The control board is inserted from the opening and fixed to the component box main body by separating from the opening.

According to a third aspect of the present invention, in the electrical component box for an air conditioner according to the first aspect, the component box main body has an opening on one side different from the side where the cut portion is provided, and the opening of the component box main body. Is closed by a lid so as to be openable and closable, and the lid is pressed and fixed to the component box body by attaching the lid to the component box body and closing the opening. And

According to a fourth aspect, in the electric component box of the air conditioner according to the first aspect, the component box main body is provided with an opening for conducting cooling air.

According to a fifth aspect of the present invention, in the electric component box of the air conditioner according to the first aspect, the control board has a ground portion, and the ground portion of the control board is connected to the component box body via a connection tool made of a conductive member. It is characterized by being attached and fixed.

According to a sixth aspect, in the electric component box for an air conditioner according to the fifth aspect, the connection tool is a screw;
The control board is characterized in that a ground portion is provided with a hole through which a screw is inserted, and the component box body is provided with a screw hole into which the screw is screwed.

According to a seventh aspect of the present invention, in the electric component box for an air conditioner according to the fifth aspect, the connection tool is a one-touch pin that can be attached with one touch, and the control board is provided with a hole through which the one-touch pin is inserted. The component box body is provided with a pin hole to which a one-touch pin is attached.

According to an eighth aspect of the present invention, in the electric component box for an air conditioner according to the fifth aspect, the connection tool is mounted at a position where the control board is mounted on the component box body in a balanced manner.

According to a ninth aspect, in the electrical component box of the air conditioner according to the first aspect, at least a part of the electrical control components mounted on the control board generates a large amount of heat, and the electrical control having a large amount of the generated heat is performed. A radiator is attached to the component, and a cooling air conducting portion for conducting cooling air is provided at a part around the radiator of the component box body.

According to a tenth aspect, in the electrical component box of the air conditioner according to the ninth aspect, the cooling air conducting portion provided in the component box main body has a drain structure for preventing water from entering from outside. And

According to an eleventh aspect, in the electric component box of the air conditioner according to the ninth aspect, the radiator has an opening for conducting cooling air.

According to the first to eleventh aspects of the present invention, by adopting the means for solving such problems, it is assumed that a component box body which is a sheet metal is employed in order to reduce costs. In addition, the size of the component box main body with respect to the control board is minimized so that there is no gap between them, and the operation of attaching and fixing the control board to the component box main body is facilitated.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings.

FIG. 13 shows an outdoor unit constituting the air conditioner. In the figure, reference numeral 1 denotes an outer box made of a thin metal plate, that is, a unit body, and a divided body in which a front panel 3 and a top plate 4 provided with a blowout grill 2 are integrated;
It is composed of a combination of a side plate 5, a back plate 6, and a divided body in which a bottom plate (not shown) is integrated.

The inside of the unit body 1 is divided into two by a partition plate 7. One side plate 5 is provided in the partitioned one room 8a.
An outdoor heat exchanger 9 formed in a plane L shape along the back plate 6 is arranged. The blower 10 is arranged in the remaining space.

A compressor 11 is arranged in the partitioned other chamber 8b, and accommodates a pipe 12 connected to the compressor 11 and valves 13 such as a four-way valve and an expansion valve. A cover plate 14 that covers a packed valve (not shown) is attached to the side plate 5 facing the chamber 8b.

The upper end of the partition plate 7 is notched, and the electric component box 15 is placed in the notch 7a. The electric component box 15 is formed in a thin box shape that is thin in the up-down direction and large in the left-right direction and the depth direction.

One end of the electric component box 15 extends from the partition plate 7 to the vicinity of the blower 10 on the one chamber 8a side, and the other end is connected to the other chamber 8.
b to the upper part of the compressor 11 and the connection pipe 12. That is, the electric component box 15 is disposed across the upper ends of both the chambers 8a and 8b in the unit main body 1 partitioned by the partition plate 7.

Next, the electric component box 15 will be described in detail.

As shown in FIGS. 1 and 2, the electric component box 15 has a component box body 20 having an open upper surface, and all electric control components (not shown) mounted on the lower surface thereof. Control board 2 housed in component box body 20
1 and a lid 22 for closing an opening 20a formed in the upper surface of the component box main body 20.

No electric control parts are exposed on the upper surface side of the control board 21, and the electric control parts are simply soldered to the control board 21.
Is just exposed.

Along with one side of the lower surface of the control board 21, there is provided a board 21a on which an electric control component having a large amount of heat, such as a giant transistor, is mounted, while a radiator is provided on the board 21a. Is attached.

When the control board 21 is accommodated in the component box body 20, the heat sink 23 is
The configuration is such that the heat generated from the electric control component having a large amount of generated heat is released to the outside of the component box body 20 as much as possible and is not taken into the inside.

In particular, as shown in FIG.
Reference numeral 0 denotes a so-called sheet metal formed by bending a thin metal plate. The opening area of the upper opening 20a is formed to be slightly larger than the area of the control board 21.

Therefore, while being provided at a low price,
The dimensions are set such that there is almost no gap between the control board 21 and the component box main body 20 when the control board 21 is mounted on the component box main body 20.

The component box body 20 has a front side surface portion (hereinafter referred to as a front surface portion) 20b and a rear side surface portion (hereinafter referred to as a rear surface portion) 20c in FIG. It has a bottom surface portion 20d connecting the 20b and 20c.

The left side surface portion 20e in the figure is opened for mounting the heat sink 23, and the right side surface portion 20f is divided into right and left by a notch portion 24 provided at a substantially middle portion along a vertical direction. ing.

For this reason, the upper ends of the front and rear sides 20b and 20c of the component box main body 20 can be freely turned outwardly as indicated by the two-dot chain line in FIG. Naturally, the edges of the cutouts 24 are separated from each other, and the opening 20a on the upper surface of the component box main body is enlarged.

A rectangular opening 25 is provided at the end of the bottom surface 20d of the component box main body 20 on the side where the heat sink 23 is mounted, and a separately manufactured exhaust duct 26 is inserted into the opening 25 and is appropriately inserted. It is attached by various means.

The exhaust duct 26 has a flow opening with an open upper end, and a flange provided on the periphery of the conduction opening is attached to the bottom 20d of the component box main body. Almost most of them protrude downward from the bottom surface 20d, and an opening communicating with the flow port is also provided here.

Thus, the exhaust duct 26 protrudes from the bottom 20d of the component box main body in a state assembled as the electric component box 15, and forms a conduction portion of the cooling air for communicating the inside of the component box main body 20 with the outside.

A cooling air conducting portion 27 having a plurality of long holes arranged in parallel is also provided on the front surface portion 20b of the component box body 20. Further, the side surface portion 20f provided with the cutout portion 24 is provided with a bottom surface portion 20 from the lower side of the cutout portion 24.
d, a cooling air conducting portion 28 formed of a cutout portion is provided over a part thereof.

The side surface portion 2 provided with the cut portion 24
At 0f, an SL connector mounting plate 30 to which a so-called SL connector 29 is mounted is attached. The tip of the SL connector mounting plate 30 is fixed to the unit main body 1 with screws, and the unit main body 1 and the component box main body 20, that is, the electric component box 15 are in an electrically conductive state.

The cut portion 24 in the side portion 20f
On both sides, a horizontally long slot-like mounting hole 31 which is a substrate mounting portion is provided, and a substrate mounting connecting member 32 described later is mounted.

Each of the front and rear surface portions 20b and 20c has a cut-and-raised piece 3 cut inward from the upper end thereof.
3 are provided. The cut-and-raised piece portions 33 are not opposed to each other at the front and rear surface portions 20b and 20c, and are at asymmetric positions. The cut-and-raised piece portion 33 is formed at substantially the same height as the mounting hole 32, and each is provided with a screw hole 34.
Is provided.

When the control board 21 is mounted in the component box main body 20, the control board 21 is mounted on the cut-and-raised piece 33 in a stable state. Then, it is mounted and fixed using the mounting screw 35. Therefore, a hole 36 through which the mounting screw 35 is inserted is provided at a position corresponding to the screw hole 34 of the control board 21.

The board mounting / connecting member (hereinafter, referred to as a support member) 32 is a plate that is bent in a U-shape so that the side facing the heat sink 23 is open, and its vertical opening width is controlled. The thickness substantially matches the thickness of the substrate 21.

On the back side of the support member 32 opposite to the U-shaped opening, a pair of locking projections 37 are provided at the same interval as the mounting holes 32 provided in the component box main body. Is provided.

That is, the control board 21 is attached to the
In mounting and fixing the control board 21, the end of the control board 21 is inserted into and hooked with the U-shaped opening of the support member 32,
In addition, one end of the control board 21 can be supported by the component box main body 20 by inserting and engaging the locking projection 37 projecting from the support member 32 with the mounting hole 32 provided in the component box main body side surface 20f. It has become.

On the other hand, an edge spacer 38 protrudes from one side of the side surface 20e on which the heat sink 23 is mounted, so that the lower end of the heat sink 23 is engaged and fixed.

The lid 22 is a so-called sheet metal having a lower surface opened by bending a thin metal plate. A locking hole 40 is provided on one side of the opening, and engages with a claw 39 provided integrally with an edge of the notch 28 of the side surface portion 20f of the component box main body. The inner plate 41 provided along the peripheral edge of the part box main body upper opening 20a
The opening 20a is openably and closably engaged with the upper ends of the side surfaces 20b, 20c, 20f forming the opening.

First, as shown in FIG.
Are in a disassembled state, and they are assembled to constitute as shown in FIG. Hereinafter, the assembling work of these components will be described in detail.

As shown in FIGS. 3A and 4A, the opening 32a of the support member 32 formed in a U-shape is inserted into and engaged with the edge of the control board 21. And the support member 3
2 and the control board 21 with the opening 2
a, the front and rear sides 2 of the component box body 20
0b and 20c are opened outward from each other to open the upper surface opening 2
Oa area is substantially enlarged.

While maintaining such a state of the component box main body 20, the control board 21 is slanted, that is, the edge on which the support member 32 is attached is set to the lower side, and the end on which the heat sink 23 (not shown) is attached is shown. The upper part is inserted into the upper opening 20a of the component box body 20 with the upper part facing upward.

Then, the locking projection 37 projecting from the support member 32 is inserted into the mounting hole 32 of the side surface portion 20f of the component box main body. Since the interval between the surface portions 20b and 20c is large, the control board 21 can be inserted very easily.

As described above, the mounting hole 32 is a long hole elongated in the horizontal direction.
The locking projections 37 are inserted into the inner ends of the mounting holes 32 since the positions 0b and 20c are in the expanded state.

Thereafter, as shown in FIGS. 3 (B) and 4 (B), the end on the heat sink 23 mounting side is inserted into the opening 20a on the upper surface of the component box main body, and the control board 21 is brought into a horizontal state. The front and rear sides 20b, 20c are returned to the original vertical state.

Since the control board 21 has already been inserted into the component box main body, there is no problem. Further, by making the front and rear side portions 20b and 20c vertical, the mounting holes 32 move relative to the locking projections 37, and the projections 37 are located at the outer ends thereof.

On the other hand, at the end of the control board 21 on the side where the heat sink 23 is mounted, as shown in FIG. When the control board 21 is horizontal and the control board 21 is horizontal, the mounting hole 23a engages with the edge spacer 38 as shown in FIG. Done.

In this state, a part of the control board 21 is placed on the cut-and-raised piece 33 previously shown in FIG. 2, but as shown in FIG. The ground portion of the control board 21 is mounted on the one-sided portion 34, and the grounding portion of the control board 21 is cut and raised by a connection tool, here, a mounting screw 35, and is fixed to the component box body 20 which is the one-sided portion 34.

As described above, the unit body 1 and the electric component box 15 are electrically connected, and the mounting screws 35
As a result, the control board 21 and the component box main body 20 are electrically connected to each other, so that the ground portion of the control board 21 is grounded via the ground wire provided on the side plate 5 of the unit main body 1.

Finally, as shown in FIG.
The lid 22 is attached to the upper surface opening 20a of the
a is closed. In this state, the lower end of the inner plate 41 attached to the inner surface of the lid 22 contacts the upper surface of the control board 21 and pushes down the control board 21 from above. Therefore, the control board 21 is securely mounted and fixed to the component box body 20.

As described above, on the premise that the component box body 20 which is a sheet metal is used for cost reduction, the work of assembling each component is facilitated, and the workability is improved.

Moreover, the upper opening 20 of the component box body 20
a and the external dimensions of the control board 21 are made substantially the same, and the control board 21 can be mounted and fixed in a state where there is almost no gap between them.

In the above embodiment, the connection tool for grounding the control board 21 through the component box main body 20 and the unit main body 1 is the mounting screw 35, but the present invention is not limited to this.

For example, as shown in FIG. 8, a metal one-touch pin 35A which can be attached by one touch may be used. That is, the one-touch pin 35 </ b> A is inserted from the hole 36 of the control board, cut and raised, and the control board 21 is attached to the piece 33.

Although the connection tool shown in FIG. 9 is also a one-touch pin 35B made of metal, the cut-and-raised piece on the side of the rear surface 20c described above is not required here, while the side surface 20c of the component box main body is required. Is provided with a mounting hole 45, where the one-touch pin 35B is directly mounted.

At the end of the one-touch pin 35B protruding into the side surface portion 20c of the component box main body, a notch 46 is provided from the end surface, and the 21 edge of the control board is inserted. Therefore, the one-touch pin 35B still supports one end of the control board 21.

Further, since the electric component box 15 is housed in the outdoor unit, there is essentially no danger of rainwater or the like entering the interior. Therefore, the electrical components housed here do not get wet and a short circuit accident does not occur. Nevertheless, taking safety measures against infiltration of rainwater is extremely significant in terms of safety.

In particular, at the portion where the heat sink 23 is attached to the electric control component that generates a large amount of heat, it is necessary to provide an opening as a conducting portion for conducting cooling air inside the component box main body 20. Infiltration of rainwater is possible.

Therefore, a configuration in which the following measures are taken is adopted.

As shown in FIG. 10, a heat sink 23 as a radiator is attached along one end of the control board 21.
The component box body 20 is attached and fixed to an opening 20e opened on the side surface.

In this state, as shown in FIGS. 11A and 11B, both sides of the side opening 20e of the component box main body 20 are integrally formed with L-shaped locking steps 47 in plan view. The two ends of the heat sink 23 are pressed against the heat sink 23 to be engaged.

Therefore, the control board 2
Rain water does not enter the electrical component box 15 from both sides of the heat sink in a state where the electronic component box 1 is assembled.

Further, as shown in FIG.
A rising portion 48 is formed obliquely from the bottom surface portion 20d along the lower end of the heat sink 23, and the lower end portion of the heat sink 23 has a double structure so as to be positioned on both front and rear sides of the rising portion 48 with a gap. It has become.

Further, since there is a gap between the lower end of the heat sink 23 and the upper end of the rising portion 48, a sufficient gap is formed between the lower end of the heat sink 23 and the rising portion 48. Thus, the conduction portion 49 through which the cooling air conducts along the flow path can cope with the temperature rise in the electric component box 15.

Further, even if rainwater enters from the outside, the rainwater rebounds at the lower end portion of the heat sink 23 and the rising portion 48 which are formed in a double manner, and the drainage for surely preventing the rainwater from entering the electric component box 15. It has a structure.

Since such a cooling air conducting portion 49 is formed between the component box body 20 and the heat sink 23, the cooling air conducting portion 49 is provided on the component box body 20 and provided on the heat sink 23. become.

FIG. 13 shows another embodiment of the cooling air conducting portion at the portion where the heat sink 23 is attached.

Here, the lower end portion a of the heat sink 23A is brought into close contact with the vertical rising portion 48a. In this state, an opening 50 through which the cooling air is conducted is provided at the lower end of the heat sink 23A which is in close contact with the rising portion 48a, and a bent portion b which is horizontally bent is formed at the upper end of the rising portion 48a.

Therefore, a cooling air conducting portion 51 is formed between the opening 50 and the edge of the bent portion b and the lower end of the heat sink 23A, and a draining structure is provided to prevent rainwater from entering from outside.

FIG. 14 has a configuration for exactly the same purpose. Here, the lower end of the heat sink 23B is in close contact with the vertical rising portion 48b, and an opening 52 is provided in the rising portion 48b.

Further, bent portions c and d which are bent horizontally are formed at the upper end of the rising portion 48b and the lower end of the opening 52. Therefore, between the opening 52 and the edge of the bent portion d and the lower end of the heat sink 23B, the cooling air conducting portion 5 is formed.
3 as well as a draining structure for preventing the infiltration of rainwater from the outside.

[0085]

As described above, according to the present invention,
The adoption of the component box body of a sheet metal product can reduce the cost, and the size of the component box body with respect to the control board is minimized so that there is no gap between each other. This has the effect of facilitating the work of attaching and fixing to the, and improving the workability.

[Brief description of the drawings]

FIG. 1 is an external perspective view of an electric component box of an air conditioner according to an embodiment of the present invention.

FIG. 2 is an exemplary exploded perspective view of components of the electric component box according to the embodiment;

FIG. 3 is an exemplary front view illustrating attachment of a control board to the component box main body according to the embodiment;

FIG. 4 is a side view for explaining attachment of the control board to the component box main body according to the embodiment.

FIG. 5 is a diagram illustrating attachment of the control board on the heat sink side according to the embodiment;

FIG. 6 is a view for explaining a control board mounting and ground structure of the embodiment.

FIG. 7 is a diagram illustrating a state in which the control substrate is fixed by the lid according to the embodiment.

FIG. 8 is a diagram illustrating a control board attachment and a ground structure according to another embodiment.

FIG. 9 is a diagram illustrating a control board mounting and grounding structure according to still another embodiment.

FIG. 10 is a perspective view illustrating a mounting structure of a control board on a radiator side to a component box main body according to another embodiment.

FIG. 11 is a plan view for explaining a mounting structure of the control board on the radiator side to the component box main body in the embodiment.

FIG. 12 is a cross-sectional view illustrating a mounting structure of the control board on the radiator side to the component box main body according to the embodiment;

FIG. 13 is a cross-sectional view illustrating a mounting structure of a control board on a radiator side to a component box main body according to another embodiment.

FIG. 14 is a cross-sectional view illustrating a mounting structure of a control board on a radiator side to a component box main body according to still another embodiment.

FIG. 15 is a perspective view showing the outdoor unit of the air conditioner with a part cut away.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Compressor, 10 ... Blower, 21 ... Control board, 20 ... Part box main body, 24 ... Cut part, 32 ... Connecting member (supporting member) combined with board mounting, 22 ... Lid, 26 ... Exhaust duct, 27 ... Cooling Wind conduction part, 34: screw hole, 35: mounting screw (connecting tool), 36: hole, 35A: one-touch pin, 35B: one-touch pin, 23: heat sink (radiator).

Continued on the front page (72) Inventor Hirohiro Suzuki 336 Tatehara, Fuji City, Shizuoka Prefecture Toshiba Corporation Fuji Plant

Claims (11)

[Claims] In an electric part box of an air conditioner accommodating a control board on which electric control parts for driving and controlling a compressor, a blower and the like are mounted, a metal plate body is bent, and at least one side portion is formed. A part box main body, the side surface of which is separable, a board mounting part provided on both sides of the notch part of the part box main body, and a detachable connection to one side of the control board. A control board mounted on the board mounting portion, the control board mounted and fixed to the component box main body, and a board mounting / connecting member connecting both sides of the cutout portion of the component box main body. Harmonic machine electrical parts box. 2. The component box main body has an opening on one side different from the side where the notch is provided, and the opening area of the opening is enlarged by forcibly separating the notch. 2. The electric component box for an air conditioner according to claim 1, wherein the control board is inserted from the opening and fixed to the component box body. 3. The component box main body has an opening on one side different from the side where the cut portion is provided, and the opening of the component box main body is closed by a lid so as to be openable and closable. 2. The electric component of the air conditioner according to claim 1, wherein the lid is attached to the component box main body to close the opening, whereby the lid presses and fixes the control board to the component box main body. box. 4. The electric component box for an air conditioner according to claim 1, wherein said component box body has an opening for conducting cooling air. 5. The control board according to claim 1, wherein the control board has a ground portion, and the ground portion of the control board is attached and fixed to the component box body via a connection tool made of a conductive member. Electrical parts box for air conditioner. 6. The connecting tool is a screw, and a ground portion of the control board is provided with a hole through which the screw is inserted.
The electric component box for an air conditioner according to claim 5, wherein the component box body is provided with a screw hole into which the screw is screwed. 7. The connection tool is a one-touch pin that can be attached with one touch. The control board is provided with a hole through which the one-touch pin is inserted, and the component box body is for a pin to which the one-touch pin is attached. The electric component box for an air conditioner according to claim 5, wherein a hole is provided. 8. The electric component box for an air conditioner according to claim 5, wherein the connection tool is mounted at a position where the control board is mounted and balanced with respect to the component box main body. 9. A heat radiator is attached to at least a part of the electric control component mounted on the control board, and a radiator is attached to the electric control component having a large heat generation. 2. A cooling air conducting portion for conducting cooling air is provided at a portion around the radiator.
The electrical component box of the air conditioner described. 10. The electrical component box for an air conditioner according to claim 9, wherein the cooling air conducting portion provided in the component box body has a drainage structure for preventing water from entering from outside. 11. The electric component box for an air conditioner according to claim 9, wherein said radiator has an opening for conducting cooling air.