JPH0949647A - Outdoor unit for air conditioning equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit for air conditioning equipment which enables cooling of the inside of an electrical equipment box effectively with uniform ventilation therein by forming a branch plate integral on a capacitor holder made of a synthetic resin and achieves a miniaturization of the body by employing a highly dense substrate. SOLUTION: In an outdoor unit for an air conditioning equipment, an electrical equipment box 4 in which a substrate 7 having control circuit parts, an electrolytic capacitor 6 held by a capacitor holder 5 and the like are arranged and an air path linked to a heat exchanger chamber A is formed is provided at an upper part of a compressor chamber B sectioned by a partition in the body having a blowoff port and a suction port arranged longitudinally. A branch plate 5a is integrally formed at a rear end of the capacitor holder 5 to branch off a ventilation path longitudinally.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit for an air conditioner, and more particularly, to a structure of a branch plate provided to improve air permeability in an electrical equipment box.

[0002]

2. Description of the Related Art As shown in FIGS. 4 and 5, a conventional air conditioner outdoor unit has a partition plate 1b for partitioning a main body 1 having a blowout port 1a and a suction port at the front and rear thereof. An exchanger room A and a compressor room B are provided, a heat exchanger 2, a blower (not shown), etc. are provided in the heat exchanger room A, and the compressor 3 and the compressor 3 are provided in the compressor room B. An electrical component made of sheet metal, which includes a bottom surface 4a on the upper part, one side surface having a second opening connected to the opening, another side surface having an air inlet a, and a back surface 4b connecting the rear ends of both side surfaces. A box 4 is provided, a substrate 7 having a control circuit arranged on the bottom surface 4a is erected in parallel with the back surface 4b, an electrolytic capacitor 6 is provided in front of the substrate 7, and the heat exchange is performed at the second opening. A heat sink 9 having a large number of fins facing the chamber A and having a power module 9a mounted on the compressor chamber B side is provided. Cover the same heat sink 9,
A heat sink cover 10 having an air passage communicating with the heat exchanger chamber A is attached to one side surface of the electrical component box 4, and an electrolytic capacitor 6 held by a capacitor holder 5 on the bottom surface 4a of the electrical component box 4. , A control circuit component (not shown) arranged on the substrate 7 standing on the bottom surface 4a, the heat sink 9
The heat-generating components such as the power module 9a attached to
Air sucked into the electrical component box 4 from between the air intake a and the outer body attached to the main body 1 and the back surface 4b and one side surface by the blower, and the heat sink cover 10 heats the air from the ventilation port 11. It was configured such that it was cooled by ventilating it in the exchange chamber A. However, in the above configuration, when the air sucked by the blower is aerated from the ventilation port 11 toward the heat exchanger chamber A as indicated by the dashed-dotted line arrow in FIG. 5, the surface of the substrate 7 Since it is difficult to ventilate the inside of the electrical component box 4 in a state in which the substrate 7
Since it is not possible to sufficiently cool the heat generating parts such as the control circuit parts arranged in, it is not possible to densify the control circuit parts.
There is a problem in that the size of the substrate 7 is reduced, which is an obstacle to the size reduction of the main body 1.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and a branch plate is integrally formed on a capacitor holder made of synthetic resin to uniformly ventilate the inside of an electrical equipment box. It is an object of the present invention to provide an outdoor unit for an air conditioner in which a highly densified substrate is adopted to enable downsizing of a main body by enabling effective cooling.

[0004]

In order to solve the above-mentioned problems, the present invention provides a main body having a blowout port and a suction port at the front and rear,
A heat exchanger chamber and a compressor chamber are provided by being partitioned by a partition plate having an opening, a heat exchanger or the like is provided in the heat exchanger chamber, a compressor is provided in the compressor chamber, and an upper portion of the compressor is provided. An electrical component box including a bottom surface, one side surface having a second opening connected to the opening, another side surface having an air intake, and a back surface connecting rear ends of both side surfaces is provided, and control is provided on the bottom surface. A substrate on which circuit components are arranged is erected in parallel with the back surface, an electrolytic capacitor held by a capacitor holder is provided in front of the substrate, and a large number of the capacitors facing the heat exchanger chamber are provided in the second opening. A heat sink having a fin and having a power module attached to the compressor chamber side is provided, the heat sink is covered, and a heat sink cover having an air passage communicating with the heat exchanger chamber is formed on one side of the electrical component box. Wearing an air conditioner room In machine, characterized in that a branch plate for branching the air passage to the rear end of the capacitor holder back and forth. Further, one side of the branch plate is extended to a substantially central position of the vent hole, and the other side is extended to a substantially central position of the other side surface of the electrical component box. Further, it is characterized in that an extending portion on one side extending to a substantially central position of the vent is formed in a curved surface. Also, the branch plate and the capacitor holder are integrally formed. Further, one side of the branch plate extends along a side surface of the heat sink cover, and the other side extends to a substantially central position of the other side surface of the electrical component box. Further, it is characterized in that an extending portion on one side extending along a side surface of the heat sink cover is formed in a curved shape. Further, a guide plate is provided at the front end of the capacitor holder so as to face the one extended portion extending along the side surface of the heat sink cover. Furthermore, the one side extending portion extending along the side surface of the heat sink cover and the guide plate are integrally formed with the capacitor holder.

[0005]

With the above-mentioned structure, the main body of the electrical equipment box can be downsized by distributing it in a substantially uniform manner so that it can be effectively vented and cooled, and by adopting a high-density board. It becomes an outdoor unit of an air conditioner that is capable of

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below in detail with reference to the drawings. 1 and 2 shown as a first embodiment
3A shown as (A) and (B) and a second embodiment.
In (B), 1 is an outdoor unit main body, 1a is an air outlet provided on the front surface of the main body 1, 1b is a partition plate for partitioning the inside of the main body 1, and A is the inside of the main body 1 by the partition plate 1b. The partitioned heat exchanger chamber B is a compressor chamber partitioned within the main body 1. 2 is a blower (not shown) in the heat exchanger room A
It is a heat exchanger provided so as to face. Reference numeral 3 is a compressor provided in the compressor chamber B, and 4 is an electrical equipment box provided on the upper portion of the compressor 3. As shown in FIGS. 2 (A) and 2 (B) and FIGS. 3 (A) and 3 (B), 4a is a bottom surface of the electrical component box 4, and an electrolytic capacitor held by a capacitor holder described later on the bottom surface 4a. And a substrate to be described later is provided upright.

Reference numeral 5 is shown in FIGS. 2 (A), 2 (B) and 3 (A).
As shown in (B), a capacitor holder made of synthetic resin mounted on the bottom surface 4a near the front surface of the electrical component box 4 is configured to hold an electrolytic capacitor described later by the capacitor holder 5. Has become. 5a is shown in FIG.
As shown in FIGS. 3A and 3B and FIGS. 3A and 3B, the rear end of the capacitor holder 5 extends upward to be integrally formed, and the inside of the electrical component box 4 is branched back and forth. It is a branch plate. As shown in FIGS. 2 (A) and 2 (B) as a first embodiment, the branch plate 5a extends one side of the branch plate 5a to a substantially central position of a vent hole described later, and the other side of the branch plate 5a. As the product box 4 is extended to the substantially central position on the other side surface of FIG.
As indicated by the broken arrow in (B), the air sucked by the blower in the heat exchanger chamber A is substantially evenly branched along the substrate and the electrolytic capacitor, which will be described later, provided in the electrical component box 4. In this state, the air flows in such a state that it is guided to the heat exchanger chamber A from a ventilation port which will be described later. As a result, a control circuit component (not shown) arranged on a substrate which will be described later in the electric component box 4 is provided. ) And electrolytic capacitors, etc., can effectively cool the heat generated. Since the extension portion on the one side is formed in a curved surface shape so as to be smoothly connected to the heat exchanger chamber A, it faces the heat exchanger chamber A,
It has a structure that reduces air resistance and allows smooth ventilation. Further, since the branch plate 5a is formed integrally with the capacitor holder 5, the size and shape of the branch plate 5a can be accurately finished and the cost is advantageous. As shown in FIGS. 3 (A) and 3 (B) as a second embodiment, the branch plate 5a extends on one side along a side surface of a heat sink cover, which will be described later, and on the other side, the electrical component box. 4 extends to a substantially central position on the other side surface of the heat exchanger chamber A as shown by a dashed arrow in FIG. 3 (B).
The air sucked by the blower flows in a substantially evenly branched state along a substrate and an electrolytic capacitor, which will be described later, provided in the electrical component box 4, and along a side surface of a ventilation port and a heat sink cover, which will be described later. The configuration is such that it is guided to the heat exchanger chamber A, which makes it more effective to generate heat from a control circuit component (not shown) and an electrolytic capacitor arranged on a substrate described later in the electrical component box 4. It is configured to be able to be cooled. The extension portion on one side is formed in a curved shape so as to be smoothly connected to the heat exchanger chamber A, so that air resistance can be suppressed toward the heat exchanger chamber A and smooth ventilation can be achieved. Has become. In addition, as shown in FIGS. 3A and 3B as a second embodiment, a guide plate 5b is extended to the front end of the capacitor holder 5 so as to face the extension portion on the one side and integrally formed. Since it is formed, a nozzle is formed by the guide plate 5b and the extension portion on the one side, and the air can be more effectively ventilated from the nozzle toward the heat exchanger chamber A. The configuration is such that the heat generated by a control circuit component (not shown) and an electrolytic capacitor disposed on a substrate described later in the electrical component box 4 can be cooled more effectively. Further, since the guide plate 5b is formed integrally with the capacitor holder 5, the size and shape of the guide plate 5b can be accurately finished and the cost is advantageous.

6 is shown in FIGS. 2 (A), (B) and FIG. 3 (A).
As shown in (B), it is an electrolytic capacitor held by the capacitor holder 5 on the bottom plate 4a of the electrical component box 4. 7 is shown in FIG. 2 (A) (B) and FIG. 3 (A).
As shown in (B), a board is erected on the bottom surface 4a of the electrical component box 4, and a control circuit component (not shown) is arranged on the board 7. Reference numeral 8 indicates the electrolytic capacitor 6 and the substrate 7 as shown in FIG. 2 (A) as the first embodiment and as shown in FIG. 3 (A) as the second embodiment.
And a lead wire connecting between the compressors 3. 9 is
As shown in FIGS. 2 (A) and 2 (B) and FIGS. 3 (A) and 3 (B), a heat sink having a large number of fins provided in the electrical equipment box 4 facing the heat exchanger chamber A is used. 9 has a power module 9a attached,
The power module 9a is configured to dissipate the heat generated therein. 10 is shown in FIG. 2 (A) (B) and FIG.
As shown in (A) and (B), the heat sink 9 is covered and the heat exchanger chamber A from inside the electrical equipment box 4 is removed.
It is a heat sink cover for forming a ventilation path so as to be continuous with. As shown in FIG. 2 (A) and FIG. 3 (A), reference numeral 11 is a vent hole provided in a vent passage formed in a line with the heat exchanger chamber A, and the vent port 11 faces the heat sink 9. It is configured as described above.

With the above construction, as shown in FIGS. 1 and 2A and 2B as a first embodiment, the heat exchanger chamber A
The air sucked by the blower flows in a substantially evenly branched state along the substrate 7 and the electrolytic capacitor 6 provided in the electrical equipment box 4, and the air is drawn from the vent 11 into the heat exchanger chamber A. Therefore, it is possible to effectively cool the heat generation of the control circuit component (not shown) arranged on the substrate 7 in the electric component box 4, the electrolytic capacitor 6 and the like. It becomes an outdoor unit of the air conditioner. Alternatively, with the above configuration, as shown in FIGS. 3A and 3B as a second embodiment, the air sucked by the blower in the heat exchanger chamber A is provided in the electrical component box 4. The structure is such that it flows along the substrate 7 and the electrolytic capacitor 6 in a substantially evenly branched state, and is guided to the heat exchanger chamber A along the side surfaces of the ventilation port 11 and the heat sink cover 10. , The electrical equipment box 4
Control circuit component (not shown) disposed on the substrate 7 in
It becomes an outdoor unit of an air conditioner capable of more effectively cooling the heat generation of the electrolytic capacitor 6 and the like. Further, as shown in FIG. 3 (A) as a second embodiment, facing the extending portion on the one side.
As shown in (B), the guide plate 5b is extended and integrally formed at the front end of the capacitor holder 5, so that a nozzle is formed by the guide plate 5b and the extension portion on one side. It is possible to more effectively ventilate the nozzle toward the heat exchanger chamber A, and a control circuit component (not shown) and an electrolytic capacitor arranged on the substrate 7 in the electrical component box 4 are provided. It becomes an outdoor unit of an air conditioner capable of further effectively cooling the heat generation of No. 6 and the like.

[0010]

As described above, according to the present invention, a heat generating component such as a control circuit component (not shown) or an electrolytic capacitor disposed on a substrate is provided by allowing the electrical component box to be substantially evenly distributed and ventilated. Since it becomes possible to cool effectively, it becomes an outdoor unit of an air conditioner in which a high-density substrate is adopted and the main body can be downsized.

[Brief description of drawings]

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

2A and 2B are explanatory views of an electrical component box showing the first embodiment according to the present invention, in which FIG. 2A is a perspective view and FIG. 2B is a view taken in the direction of arrow C shown in FIG. 2A.

3A and 3B are explanatory views of an electrical component box showing a second embodiment according to the present invention, FIG. 3A is a perspective view, and FIG. 3B is a view seen from an arrow C in FIG. 3A.

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

5 is a view on arrow C shown in FIG. 4. FIG.

[Explanation of symbols]

 1 Air conditioner outdoor unit 1a Air outlet 1b Partition plate A Heat exchanger room B Compressor room 2 Heat exchanger 3 Compressor 4 Electrical equipment box 4a Electrical equipment box bottom 5 Capacitor holder 5a Branch plate 5b Guide plate 6 Electrolysis Capacitor 7 Board 8 Lead wire 9 Heat sink 9a Power module 10 Heat sink cover 11 Vent hole a Air intake

Claims (8)

[Claims] 1. A heat exchanger chamber and a compressor chamber are provided by partitioning a main body having a blowout port and a suction port at the front and rear with a partition plate having an opening, and heat is exchanged in the heat exchanger chamber. And the like, a compressor in the compressor chamber, a bottom surface at the top of the compressor, and a side surface having a second opening connected to the opening,
An electrical equipment box consisting of the other side surface having an air intake port and a back surface connecting the rear ends of both side surfaces is provided, and a board on which control circuit parts are arranged is erected in parallel with the back surface on the bottom surface, An electrolytic capacitor held by a capacitor holder is provided in front of the substrate, a heat sink having a plurality of fins facing the heat exchanger chamber at the second opening and having a power module attached to the compressor chamber side. In the outdoor unit of the air conditioner, which is provided with a heat sink cover which covers the heat sink and forms an air passage communicating with the heat exchanger chamber, is attached to one side surface of the electrical equipment box, the rear end of the capacitor holder. An outdoor unit for an air conditioner, characterized in that a branch plate for branching the ventilation path back and forth is provided in the. 2. The one side of the branch plate is extended to a substantially central position of the vent hole, and the other side is extended to a substantially central position of the other side surface of the electrical component box. Air conditioner outdoor unit. 3. The outdoor unit for an air conditioner according to claim 2, wherein an extending portion on one side extending to a substantially central position of the ventilation port is formed in a curved shape. 4. The branch plate and the capacitor holder are integrally formed.
The outdoor unit of the air conditioner described. 5. The one side of the branch plate extends along a side surface of the heat sink cover, and the other side extends to a substantially central position of the other side surface of the electrical component box.
The outdoor unit of the air conditioner described. 6. The outdoor unit for an air conditioner according to claim 5, wherein the extending portion on one side extending along the side surface of the heat sink cover is formed in a curved shape. 7. A guide plate is provided at the front end of the capacitor holder so as to face the extending portion on one side extending along the side surface of the heat sink cover. The outdoor unit of the air conditioner according to 6. 8. The one side extending portion extending along the side surface of the heat sink cover and the guide plate are integrally formed with the capacitor holder. The outdoor unit of the air conditioner according to 7.