JP2001147035A - Outdoor unit for air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit for air conditioner in which a board mounting a heating part can be fixed accurately to a heat sink fixed to an electric parts box while being bonded to the heating part. SOLUTION: A board 12 is stopped, at one end thereof, to the stopping part 13a of a heat sink 13 and fixed, at the other end thereof, with a heating part 14 and then it is secured to the heat dissipating part 13' of the heat sink through a securing part D.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of an air conditioner, and more particularly, to a heat sink fixed to a heat generating component and mounted on a heat sink mounted on an electrical component box, in which a substrate having the heat generating component easily and easily mounted. It relates to a structure that can be mounted accurately.

[0002]

2. Description of the Related Art A conventional air conditioner outdoor unit has a compressor 2 and a heat exchanger 3 mounted on a bottom plate 1 as shown in FIGS. 3 and 4, for example. Blower 4 facing
The compressor 2 is covered with a compressor cover 6, a partition plate 7 is provided above the compressor cover 6, and the blower 4 is provided above the heat exchanger 3.
A middle plate 8 having a hole 8a facing the inside is provided, and an electrical box 9 having an upper surface opened on one side of the middle plate 8 and a through hole 9a continuous with the hole 8a formed on the bottom surface is placed, and A mounting portion for mounting one side of the substrate 12 is provided on the bottom surface of the electrical component box 9, and a heat radiating portion 13 ′ passing through the hole 8 a and the through hole 9 a is provided on the bottom side of the electrical component box 9. A heat sink 13 continuously formed at one end is fixed, a heat generating component 14 facing the heat radiating portion 13 'is mounted on the other side of the substrate 12, and a fixing portion D for fixing the heat generating component 14 to the heat radiating portion 13' is provided. The upper opening of the electrical box 9 is covered with an electrical cover 10, a front cover A and a rear cover B having both side surfaces are attached to the bottom plate 1, and an upper cover C is attached to these upper portions. It was a configuration consisting of:

However, a mounting portion for mounting one side of the substrate 12 has a column a provided with a screw hole b for mounting between the substrate 12 and the heat sink 13, and corresponds to the screw hole b. The mounting hole c is provided in the substrate 12
Is screwed into the screw hole b and fixed, so that the column a needs to be prepared or the number of assembling steps for erecting the column a increases, resulting in cost reduction. Or the substrate 12 and the support column a
However, there is a problem that the workability is deteriorated due to the displacement of the position.

[0004]

SUMMARY OF THE INVENTION In view of the above problems, the present invention makes it possible to easily and accurately mount a substrate on which a heat-generating component is mounted on a heat sink fixed to the heat-generating component and mounted on an electrical component box. An object of the present invention is to provide an outdoor unit of an air conditioner as described above.

[0005]

According to the present invention, in order to solve the above-mentioned problems, a compressor and a heat exchanger are mounted on a bottom plate.
A mounting base for mounting a blower facing the heat exchanger is erected, a middle plate having a hole facing the blower is provided on the upper part of the heat exchanger, an upper surface is opened on the middle plate and a bottom surface is provided. An electrical box provided with a through hole connected to the hole is placed, and a locking portion for locking one side of the substrate is continuously formed at one end on a bottom surface of the electrical box, and a through hole is formed through the hole and the through hole. The radiating portion to be fixed the heat sink continuously formed at the other end, and a heat-generating component facing the radiating portion is attached to the other side of the substrate,
A fixing portion for fixing the heat-generating component to the heat radiating portion is provided so that an upper surface opening of the electric box is covered with an electric cover, and one side of the substrate is locked by a locking portion of the heat sink. The other side is fixed to the heat radiating portion of the heat sink by the fixing portion.

[0006] Further, the locking portion is provided with a support for supporting a peripheral edge of one side of the substrate at a front end, and is formed of an extension body extending from one end of the heat sink.

[0007] Further, the extension body has a structure in which the substrate and the heat sink are formed so as to be substantially parallel to each other.

[0008] The support may include a holding piece having a substantially U-shaped cross section provided with an opening facing the one side edge of the substrate, and the holding piece may be formed by the holding piece. Is sandwiched.

A through hole is provided in one peripheral edge of the substrate, a screw hole is provided in one of the holding pieces corresponding to the through hole, and an insertion hole is provided in the other of the holding pieces, and the insertion hole and the through hole are provided. A screw having a hole inserted therein is screwed into the screw hole to fix a peripheral edge on one side of the substrate.

Further, a plurality of through holes of the substrate and a plurality of screw holes and insertion holes of the holding piece are provided.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. FIG. 1 is an exploded perspective view of an outdoor unit of an air conditioner according to the present invention, and FIG. 2 is a perspective view of a main part of the outdoor unit of the air conditioner according to the present invention.

In the drawing, 1 is a bottom plate constituting an outdoor unit of an air conditioner according to the present invention, 2 is a compressor mounted on the bottom plate 1, 3 is a heat exchanger, 4 is a heat exchanger 3, and 4 is a heat exchanger. A mounting stand for mounting the blower 4 opposed to the above, a compressor cover 6 for covering the compressor 2, a partition plate 7 provided on the upper part of the compressor cover 6, and a heat exchanger 8 An inner box 11 having a hole 8a connected to the through-hole 9a with the electrical box 9 having an upper surface opened on one upper side and a through-hole 9a formed on the bottom surface is placed on the lower surface of the 3 and facing the blower 4. A mounting part for mounting one side of the substrate 12 is provided on the bottom surface of the electrical component box 9 with the operation valve mounting tool arranged on the other side, and the heat radiating part 13 ′ that is passed through the hole 8 a and the through hole 9 a is provided. A heat sink 13 continuously formed at the other end is fixed, and a heat-generating component 14 facing the heat radiating portion 13 'is attached to the other side of the substrate 12, A fixing portion D for fixing the heat-generating component 14 to the heat radiating portion 13 'is provided, an upper opening of the electric box 9 is covered by an electric cover 10, and a front cover A and a rear cover B having both side surfaces on the bottom plate 1. , And a top cover C is attached on top of these.

Next, the heat-generating component 14 is fixed to the heat-generating component 14 and attached to the heat sink 13 attached to the electrical component box 9.
A configuration in which the substrate 12 on which the substrate 14 is mounted can be easily and accurately mounted will be described in detail. One side of the substrate 12 is locked by the locking portion 13a of the heat sink 13, while the other side is fixed to the heat radiating portion 13 'of the heat sink 13 by the fixing portion D. One side of the substrate 12 can be easily and accurately locked to the locking portion 13a, so that the workability is improved.

Further, the locking portion 13a is provided at the tip thereof with the substrate.
12 is provided with a support 13a 'for supporting one side peripheral portion, and is constituted by an extension 13b extending from one end of the heat sink 13, whereby, as in the prior art described above, This eliminates the necessity of erecting the support column a made of a separate member, which is advantageous in terms of cost, and enables one side of the substrate 12 to be easily and accurately locked to the locking portion 13a. As a result, the workability can be improved.

The extension body 13b is formed so that the substrate 12 and the heat sink 13 are substantially parallel to each other. It is a structure that can be attached.

The supporting member 13a 'includes a holding piece 13a' having an opening facing the one side edge of the substrate 12 and having a substantially U-shaped cross section. The configuration is such that one side peripheral portion of the substrate 12 is sandwiched therebetween, whereby a structure that can easily and accurately support the one side peripheral portion of the substrate 12 is provided.

Further, a through hole 12 is formed in a peripheral portion of one side of the substrate 12.
a, while the holding pieces 13 correspond to the through holes 12a.
a 'is provided with a screw hole 13c on one side, and an insertion hole 13c' on the other side, and a screw inserted through the insertion hole 13c 'and the through hole 12a is screwed into the screw hole 13c to provide one side of the substrate 12 The peripheral portion is fixed, whereby the holding piece is
The structure is such that one side peripheral portion of the substrate 12 sandwiched by 13a 'can be more accurately and firmly fixed.

Further, by providing a plurality of through holes 12a of the substrate 12 and a plurality of screw holes 13c and insertion holes 13c 'of the holding piece 13a', respectively, the substrate 12 held by the holding piece 13a 'is provided. Is configured so that one side peripheral portion can be fixed more accurately and firmly.

With the above construction, as shown in FIGS. 1 and 2, one side of the substrate 12 is locked by the locking portion 13a of the heat sink 13, while the other side is fixed by the fixing portion D. Fixed to the heat radiating portion 13 ', so that one side of the substrate 12 can be easily and accurately locked to the locking portion 13a, thereby improving workability. It becomes an outdoor unit.

[0020]

As described above, according to the present invention, there is provided an air conditioner in which a substrate on which a heat generating component is mounted can be easily and accurately mounted on a heat sink fixed to the heat generating component and mounted on an electrical component box. It becomes an outdoor unit.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an outdoor unit of an air conditioner according to the present invention.

FIG. 2 is a perspective view of a main part of an outdoor unit of the air conditioner according to the present invention.

FIG. 3 is an exploded perspective view of an outdoor unit of an air conditioner according to a conventional example.

FIG. 4 is a perspective view of a main part of an outdoor unit of an air conditioner according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom plate 2 Compressor 3 Heat exchanger 4 Blower 5 Mounting stand 6 Compressor cover 7 Partition plate 8 Middle plate 8a Hole 9 Electrical box 9a Through hole 10 Electrical cover 11 Operating valve fitting 12 Main board 12a Through hole 13 Heat sink 13 ' Heat radiating part 13a Locking part, support 13a 'Support, clamping piece 13b extension 13c insertion hole 13c' screw hole 14 heat generating component 15 mounting part by screw A Front cover B Back cover C Top cover D Fixed part

Claims (6)

[Claims] 1. A compressor and a heat exchanger are mounted on a bottom plate, and a mounting stand for mounting a blower is provided to face the heat exchanger, and the blower is positioned above the heat exchanger. A middle plate having a perforated hole is provided, and an electrical box having an upper surface opened on the middle plate and a through-hole connected to the hole is placed on the bottom surface, and one side of the substrate is placed on the bottom surface of the electrical box. A locking portion for locking is continuously formed at one end, and a heat sink that is continuously formed at the other end is fixed to a heat sink that passes through the hole and the through hole, and faces the heat dissipation portion on the other side of the substrate. Attaching a heat-generating component and providing a fixing portion for fixing the heat-generating component to the heat radiating portion,
The upper surface opening of the electrical box is covered by an electrical cover, and one side of the substrate is locked by a locking portion of the heat sink, and the other side is fixed to a heat radiating portion of the heat sink by the fixing portion. An outdoor unit of an air conditioner, comprising: 2. The device according to claim 1, wherein the locking portion includes a support at a tip end for supporting a peripheral edge of one side of the substrate, and is formed of an extension body extending from one end of the heat sink. An outdoor unit of the air conditioner according to item 1. 3. The outdoor unit of an air conditioner according to claim 2, wherein the extension body is formed so that the substrate and the heat sink are substantially parallel to each other. 4. The supporting body comprises a holding piece having a substantially U-shaped cross section provided with an opening facing the one side edge of the substrate, and the holding piece is formed by the holding piece. The outdoor unit of the air conditioner according to claim 2, wherein 5. A through-hole is provided in one peripheral edge of the substrate, a screw hole is provided in one of the holding pieces corresponding to the through-hole, and an insertion hole is provided in the other, and the insertion hole and the through-hole are provided. The outdoor unit of an air conditioner according to claim 4, wherein a screw inserted through the hole is screwed into the screw hole to fix a peripheral edge on one side of the substrate. 6. The outdoor unit of an air conditioner according to claim 5, wherein a plurality of through holes of the substrate and a plurality of screw holes and insertion holes of the holding piece are provided.