JPH0949646A - Outdoor unit for air conditioning equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit for air conditioning equipment which has an air guide plate to effect ventilation through an electrical equipment box with air distributed almost evenly while contriving handy protection of a lead and employs a highly dense substrate to achieve a miniaturization of the body. SOLUTION: In an outdoor unit for air conditioning equipment, an electrical equipment box 4 in which a substrate 7 having control circuit parts, an electrolytic capacitor and the like are arranged and an air path linked to a heat exchanger chamber is provided at an upper part of a compressor chamber divided by a partition plate in the body having a blowoff port and a suction port arranged longitudinally. An air guide plate 12 is provided at the upper part of the rear 4b of the electrical equipment box 4 to guide air to a lower part of a ventilation path.

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 an air guide plate provided to improve air permeability in an electrical equipment box and its mounting structure.

[0002]

2. Description of the Related Art As shown in FIGS. 5 and 6, a conventional outdoor unit for an air conditioner includes a partition plate 1b having an opening inside a main body 1 provided with a blowout port 1a and a suction port at the front and rear. A heat exchanger room A and a compressor room B are provided, the heat exchanger room A is provided with a heat exchanger 2, a blower (not shown), etc., and the compressor room B is provided with a compressor 3. , A bottom surface 4a on the top of the compressor 3,
An electrical equipment box 4 made of sheet metal is provided, which includes one side surface having a second opening connected to the opening, another side surface having an air intake a, and a back surface 4b connecting the rear ends of both side surfaces. A substrate 7 having a control circuit arranged on 4a is erected parallel to the back surface 4b, an electrolytic capacitor 6 is provided in front of the substrate 7, and the heat exchanger chamber A is exposed to the second opening. Power module having a large number of fins on the side of the compressor chamber B
A heat sink 9 having an attached 9a is provided, the heat sink 9 is covered, and a heat sink cover 10 having a ventilation path communicating with the heat exchanger chamber A is attached to one side surface of the electrical equipment box 4, and the electrical equipment box 4 is attached. 4, an electrolytic capacitor held by a capacitor holder 5 on a bottom surface 4a of the battery 4, a control circuit component (not shown) disposed on a substrate 7 standing on the bottom surface 4a, and a power module 9a mounted on the heat sink 9. Air generated by sucking heat-generating components such as the air blower into the electrical equipment box 4 from between the air intake port a and the outer body attached to the main body 1 and the back surface 4b and one side surface from the ventilation port 11 The heat sink cover 10 was cooled by ventilating the heat exchanger chamber A. However,
With 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. Since it is difficult to ventilate the lower part, heat generating parts such as control circuit parts arranged on the board 7 cannot be sufficiently cooled,
Since the control circuit components and the like cannot be densified, the substrate 7
However, there is a problem that it becomes an obstacle for downsizing the main body 1 and realizing the downsizing of the main body 1. Further, in the above configuration, since the electrical component box 4 is made of sheet metal, the lead wire 8 connecting between the substrate 7 and the electrolytic capacitor 6 and the compressor 3 directly contacts the edge of the electrical component box 4. Since the lead wire 8 may be damaged, it is necessary to protect the lead wire 8 by covering it with a protective tube.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and a synthetic resin baffle plate is provided to evenly ventilate the inside of an electrical equipment box and to be provided on the baffle plate. It is an object of the present invention to provide an outdoor unit for an air conditioner, which protects the lead wire through the through hole and protects the lead wire, and adopts a high-density control circuit board to enable downsizing of the main body. .

[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 parts are arranged is erected in parallel with the back surface, an electrolytic capacitor is provided in front of the substrate, and a large number of fins facing the heat exchanger chamber are provided in the second opening. An air conditioner in which a heatsink with a power module attached is provided on the compressor room side, the heatsink is covered, and a heatsink cover with a ventilation path communicating with the heat exchanger room is attached to one side surface of the electrical equipment box. In the outdoor unit of the machine,
An air guide plate for guiding air to the lower part of the ventilation path is provided on the upper rear surface of the electrical component box. Further, the air guide plate is provided on a substantially horizontal engaging surface and is provided with an engaging portion for engaging with an upper rear portion of the electrical component box, and an air guide portion for guiding air to a lower portion of the ventilation path. It consists of and. Further, the locking portion is formed of a substantially U-shaped locking groove provided at the rear end of the locking surface with the front opening, and the locking groove extends rearward from the upper end of the rear surface of the electrical component box. It is characterized in that it is locked to the substantially L-shaped locking piece that has come out. In addition, the locking portion is formed of a substantially U-shaped locking groove that is provided at the rear end of the locking surface and opens downward, and one side of the locking groove is provided on the locking piece. It is characterized in that it is inserted into the stop hole, and the upper end of the rear surface of the electrical equipment box is held by the locking groove. Further, the air guide portion is composed of a vertical piece and a horizontal piece that hang down a front end of the locking surface and have a tip extending substantially horizontally. Further, the vertical piece is provided between the substrate and the electrolytic capacitor. Further, the vertical piece is provided with a through hole having an opening on one side. Further, both sides of the opening of the through hole are formed in an arc shape. Further, an inclined piece having a lower ventilation port side of the ventilation passage is provided continuously to the horizontal piece. Furthermore, the baffle plate,
It is characterized in that the locking surface, the locking groove, the vertical piece, the horizontal piece, and the inclined piece are integrally formed of synthetic resin.

[0005]

With the above-mentioned structure, it has a baffle plate that allows the electrical equipment box to be distributed almost evenly to ventilate and to easily protect the lead wires. This is an outdoor unit for an air conditioner that employs the substrate of (1) to reduce the size of the main body.

[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, 2 shown as a first embodiment
In FIG. 3 and FIG. 4 showing the second embodiment, 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 partition plate
Reference numeral 1b denotes a heat exchanger chamber partitioned in the main body 1, and B denotes a compressor chamber partitioned in the main body 1. A heat exchanger 2 is provided in the heat exchanger chamber A so as to face a blower (not shown). 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 FIG. 2, reference numeral 4a denotes the electrical equipment box 4 described above.
On the bottom surface of the same, an electrolytic capacitor held by a capacitor holder described later is provided on the bottom surface 4a, and a substrate described later is erected. Reference numeral 4b is a back surface of the electrical component box 4 as shown in FIGS. 2 and 3 as a first embodiment and as shown in FIG. 4 as a second embodiment. 4c
As shown in FIGS. 2 and 3 as a first embodiment and as a second embodiment in FIG. 4, is a locking piece formed by bending the upper end of the back surface 4b rearward into a substantially L shape. The locking piece 4c is configured to be locked in a locking groove provided on a locking surface of a baffle plate described later. 4d is shown in FIG. 4 as a second embodiment.
As shown in FIG. 3, the locking piece 4c has a locking hole formed along the back surface 4b, and one side of a locking groove described later is inserted into the locking hole 4d, and the locking groove It is configured such that the upper end of the back surface 4b is clamped.

As shown in FIG. 2, 5 is the electrical equipment box 4
A capacitor holder mounted on the bottom surface 4a of the capacitor holder 5 holds an electrolytic capacitor to be described later. Reference numeral 6 is an electrolytic capacitor held by the capacitor holder 5, as shown in FIG. As shown in FIG. 2, reference numeral 7 denotes a board which 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. As shown in FIG. 2, reference numeral 8 denotes a lead wire that connects the electrolytic capacitor 6 and the substrate 7 to the compressor 3, and the lead wire 8 is a through hole provided in a vertical piece of a wind guide plate described later. By being inserted, the electric component box 4 made of sheet metal is protected from direct contact with the edge thereof. As shown in FIG. 2, reference numeral 9 is a heat sink having a large number of fins provided in the second opening of the electrical component box 4 facing the heat exchanger chamber A. The power module 9a is attached to the machine room B side, and the heat generated by the power module 9a is radiated. As shown in FIG. 2, reference numeral 10 is a heat sink cover for covering the heat sink 9 and forming a ventilation path from the inside of the electrical equipment box 4 to the heat exchanger chamber A. As shown in FIG. 2, reference numeral 11 denotes a ventilation port provided in a ventilation path that is formed continuously with the heat exchanger chamber A. The ventilation port 11 is provided so as to face the heat sink 9. ing. It should be noted that, as shown in FIG.
And the second opening provided on one side of the electrical component box 4 with a width dimension larger than that of the heat sink 9.

Reference numeral 12 denotes a first embodiment shown in FIGS.
4 and as a second embodiment, as shown in FIG. 4, it is a baffle plate provided on the upper part of the electrical component box 4 in order to distribute the ventilation in the electrical component box 4 almost uniformly. The baffle plate
By providing 12, as shown by the alternate long and short dash line in FIG.
The air sucked by the blower in the heat exchanger chamber A flows in the upper and lower portions of the electrical component box 4 in a substantially evenly distributed state, and is guided to the heat exchanger chamber A from the ventilation port 11. With this configuration, it is possible to effectively cool the heat generation of the electrolytic capacitor 6 provided in the electrical component box 4 and the control circuit parts (not shown) arranged on the substrate 7. It has a structure that 12a
As shown in FIG. 3 as the first embodiment and in FIG. 4 as the second embodiment, is a substantially horizontal locking surface that constitutes the baffle plate 12, and the locking surface 12a is The electrical contact box 4c of the electrical component box 4 is brought into close contact with the engaging piece 4c so that an engaging groove described later can be easily engaged with the engaging piece 4c. 12
As shown in FIG. 3 as a first embodiment, b is a substantially U-shaped member with its rear end folded back in parallel to the locking surface 12a so that the locking piece 4c can be inserted and locked with almost no gap. The locking portion is formed of a locking groove formed in a letter shape. The locking groove 12
By sliding b on the locking piece 4c and locking the locking surface 12a on the locking piece 4c, the air guide is applied to the upper part of the electrical component box 4 without screwing. The structure is such that the plate 12 can be locked easily and accurately. Further, as shown in FIG. 4 as a second embodiment, the reference numeral 12b allows one side to be inserted from above from the locking hole 4d provided in the locking piece 4c so that the back surface 4b can be held with almost no space. It is a locking portion that is a locking groove that hangs down from the rear end of the locking surface 12a. The locking groove 12b according to the second embodiment has one side inserted from above into the locking hole 4d and hangs down from the rear end of the locking surface 12a so that the back surface 4b can be held with almost no space. As a result, compared to the substantially U-shaped locking groove 12b described in the first embodiment, it becomes possible to lock the rear surface 4b from above, so that it can be locked more easily and workability is improved. It is configured to improve the. As shown in FIG. 3 as a first embodiment and as FIG. 4 as a second embodiment, 12c is a vertical piece that constitutes the baffle plate 12, and the vertical piece 12c is the back surface 4b and the substrate. By being formed apart from 7, it is possible to smoothly ventilate between the vertical piece 12c and the substrate 7. 12d
As shown in FIG. 3 as the first embodiment and as shown in FIG. 4 as the second embodiment, a through hole is provided in the vertical piece 12c by opening one side, and the lead wire 8 is provided in the through hole 12d. It is configured such that the lead wire 8 can be protected so as not to come into direct contact with the edge of the electrical component box 4 made of sheet metal. In addition, since both sides of the opening of the through hole 12d are formed in an arc shape, the lead wire 8 can be easily inserted into the through hole 12d through the opening, thereby improving workability. ing. 12e is shown in FIG. 3 as the first embodiment and as shown in FIG. 4 as the second embodiment.
The vertical piece 12c is a horizontal piece that extends in a state parallel to the locking surface 12a, and 12f is continuous with the horizontal piece 12e and has the vent hole 11 side inclined at a low angle b. It is an extended inclined piece. The vertical piece 12c and the horizontal piece 12e
And the inclined pieces 12f form a baffle portion of the baffle plate 12. As shown in FIG. 2, the air sucked by the blower provided in the heat exchanger chamber A is guided to the upper and lower portions of the electrical component box 4 by the inclined pieces 12f in a substantially even manner. The electronic component box 4 of the electrical equipment box 4 and the electronic circuit parts and the like arranged on the substrate 7 can be effectively cooled. Further, as shown in FIG. 2, by the horizontal piece 12e, the air sucked by the blower provided in the heat exchanger chamber A is effectively guided toward the ventilation port 11. Has become. The baffle plate 12 is made of synthetic resin and is made of a material such as the locking surface 12a and the locking groove 12b.
, The vertical piece 12c, the horizontal piece 12e, and the inclined piece 12
By integrally forming the lead wire 8 and the lead wire 8 inserted through the through hole 12d, the electrical component box 4 made of sheet metal can be formed. It is designed so that it can be protected from direct contact with the edge of.

With the above structure, the air guide portion composed of the vertical piece 12c, the horizontal piece 12e, and the inclined piece 12f,
The upper and lower parts of the electrical component box 4 are substantially evenly distributed to allow ventilation, and the control circuit components and the like arranged in the electrolytic capacitor 6 and the substrate 7 in the electrical component box 4 are effective. As well as being able to cool
Since the board 7 having the same control circuit components and the like with high density can be adopted, the air conditioner can be downsized to be an outdoor unit.

[0011]

As described above, according to the present invention, the inside of the electrical component box is substantially evenly distributed and ventilated, and the air guide plate is provided so that the lead wires can be easily protected, and the density is increased. It is an outdoor unit for an air conditioner that employs the above-mentioned substrate to reduce the size of the main body.

[Brief description of drawings]

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

FIG. 2 is a perspective view showing an electrical component box provided in the outdoor unit of the air conditioner according to the present invention.

FIG. 3 is a perspective view of a baffle plate according to a first embodiment for improving air permeability in an electrical component box according to the present invention.

FIG. 4 is a perspective view of a baffle plate according to a second embodiment for improving air permeability in an electrical component box according to the present invention.

FIG. 5 is a perspective view showing an outdoor unit of an air conditioner according to a conventional example.

FIG. 6 is a perspective view showing an electrical component box provided in an outdoor unit of an air conditioner according to a conventional example.

[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 4b Electrical equipment box back 4c Locking piece 4d Locking hole 5 Capacitor holder 6 Electrolytic capacitor 7 Board 8 Lead wire 9 Heat sink 9a Power module 10 Heat sink cover 11 Vent 12 Baffle plate 12a Locking surface 12b Vent 12c Vent 12d Through hole 12e Horizontal piece 12f Inclined piece a Air Intake b Angle of inclined piece

Claims (10)

[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 is provided in front of the substrate, a large number of fins facing the heat exchanger chamber are provided in the second opening, and a heat sink having a power module is provided on the compressor chamber side, and the heat sink is covered. Then, in an outdoor unit of an air conditioner in which a heat sink cover having a ventilation path connected to the heat exchanger chamber is attached to one side surface of the electrical equipment box, the ventilation path of the ventilation path is provided on the upper rear surface of the electrical equipment box. An outdoor unit for an air conditioner, which is provided with a baffle plate for guiding wind in the lower part. 2. A locking portion for locking the baffle plate on an upper portion of a rear surface of the electrical component box, the locking portion being provided on a substantially horizontal locking surface,
The outdoor unit for an air conditioner according to claim 1, comprising an air guide portion for guiding wind to a lower portion of the air passage. 3. The locking portion comprises a substantially U-shaped locking groove provided on the rear end of the locking surface with the front opening, and the locking groove is formed at the upper end of the rear surface of the electrical component box. The outdoor unit of an air conditioner according to claim 2, wherein the outdoor unit of the air conditioner is engaged with a substantially L-shaped engaging piece extending rearward. 4. The locking portion comprises a substantially U-shaped locking groove that is provided at the rear end of the locking surface and opens downward, and one side of the locking groove serves as the locking piece. The outdoor unit for an air conditioner according to claim 2, wherein the outdoor unit of the air conditioner is inserted into a provided locking hole, and the upper end of the rear surface of the electrical component box is held by the locking groove. 5. The air conditioner according to claim 2, wherein the air guide portion is composed of a vertical piece and a horizontal piece that hang down a front end of the locking surface and have a tip extending substantially horizontally. Outdoor unit of the machine. 6. The outdoor unit for an air conditioner according to claim 3, wherein the vertical piece is provided between the substrate and the electrolytic capacitor. 7. The outdoor unit for an air conditioner according to claim 5, wherein the vertical piece is provided with a through hole that is open on one side. 8. The outdoor unit for an air conditioner according to claim 7, wherein both sides of the opening of the through hole are formed in an arc shape. 9. The outdoor unit for an air conditioner according to claim 1, wherein an inclined piece having a lower ventilation port side of the ventilation passage is provided continuously to the horizontal piece. 10. The air guide plate is made of synthetic resin and is integrally formed of the locking surface, the locking groove, the vertical piece, the horizontal piece, and the inclined piece. An outdoor unit for an air conditioner according to claim 1, 2, 3, 4, 5, 6, 7, 8, or 9.