JP3051856B2 - Outdoor unit of air conditioner - Google Patents

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 packed valve cover forming a side portion of an outdoor unit main body and an improvement of a wiring structure.

[0002]

2. Description of the Related Art An air conditioner commonly used is configured such that an indoor unit installed in a room to be air-conditioned and an outdoor unit installed outside a building are connected via a refrigerant pipe or the like. And the outdoor unit is considered as close as possible to the wall surface of the building so as not to be in the way.

Conventionally, as shown in FIG. 5, a fan guard b is provided on the front surface of an outdoor unit main body a composed of a housing, from which air which has exchanged heat with a heat exchanger disposed therein is blown out. It is supposed to be.

On one side of the outdoor unit main body a,
A packed valve cover c is attached, and covers the packed valve and an end of a pipe P connected to the packed valve.

[0005] Along with the connection pipe P, an external wiring d composed of a signal line and a power supply line is also wound with a decorative tape. The external wiring d extends from a wiring lid e provided above the packed valve cover c.

That is, a blower, a compressor, and electric components for electrically controlling the blower and the compressor are arranged inside the outdoor unit main body a, and a lead wire connected to these electric components is connected to a wiring cover e. S which is a terminal part in a part covered with
Connected to L connector. The connector is connected to the external wiring, and is electrically connected to an external power supply via an indoor unit. (All parts without reference numerals are not shown.)

[0007]

By the way, two parts, a packed valve cover c and a wiring cover e, are mounted on the side of the outdoor unit main body a at a distance from each other. In addition, the coating process must be performed in accordance with the coating of the outdoor unit main body a, which has a bad influence on cost.

Further, since the outdoor unit main body a is literally arranged outside the room, it is easily exposed to wind and rain. On the other hand, in particular, the wiring lid e must surely prevent infiltration of rainwater or the like from the place where it covers the electrical connection part.

Therefore, conventionally, a sealing material is stuck along the periphery of the back surface of the wiring cover e, and is adhered to the outdoor unit main body in a state where the sealing material is attached, so that the sealing property is ensured. ing.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an outdoor unit of an air conditioner having a structure that is advantageous in terms of cost while ensuring simplicity of appearance. To provide.

[0011]

An outdoor unit of an air conditioner according to the present invention has a structure in which components such as a heat exchanger, a blower, a compressor, and electric components for driving and controlling these units are disposed in an outdoor unit main body . An electric component disposed in the outdoor unit main body, and a terminal portion for electrically connecting the electric component via a lead wire, the terminal portion is covered with a wiring cover made of a metal plate , The external wiring connected to the terminal portion is covered with a packed valve cover made of a synthetic resin material for covering the connection pipe.

[0012] wiring lid made of the metal plate is provided with a wiring outlet opening for inserting the external wiring, and the vicinity of the wiring outlets, comprises a fixing means for pressing and fixing the external wiring to the outdoor unit main body, the lower end portion With a rising piece.

The packed valve cover made of a synthetic resin material has a carrying recess formed integrally with a part thereof, and the wiring cover made of a metal plate has a portion opposed to the carrying recess of the packed valve cover. In addition, a hooking recess into which the carrying hook recess is inserted is provided. And electricity
It has a terminal section that is electrically connected to parts through lead wires.
Then, cover this terminal with a wiring cover made of metal plate,
The side was covered with a cover made of a synthetic resin material .

[0014]

[Function] Even if the terminal part generates heat and becomes high temperature, the thermal effect is strong.
Cover the terminals with a metal wiring cover,
Weatherproof synthetic resin for rainwater and other external piping
Cover with connecting piping with a packed valve cover made of
The thermal effect at the terminals reduces the packed valve cover.
Metal wiring lids prevent rainwater
Packed valve cap that covers the outside to prevent corrosion due to
The bar has a synergistic effect that prevents it from happening.

[0015]

An embodiment of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, the outdoor unit of the air conditioner includes an outdoor unit main body 1 and refrigeration cycle components such as an outdoor heat exchanger 2, a blower 3, and a compressor arranged in the outdoor unit main body 1. 4 and a control electric component 5.

The outdoor unit main body 1 has an L-shaped plate body 8, which is a connection body of a top plate 6 and a fan guard 7, a bottom plate 9 on which each component is placed, and both side portions and a rear plate portion. And a U-shaped plate body 10 having a U-shape in plan view.

A bell mouth 11 is provided on the inner side of the fan guard 7. The bell mouth 11 guides the heat exchange air blown from the blower 3. One side of the outdoor unit body 1 and a packed valve 1
2 and 12 are protrudingly provided, and a power terminal section SL is provided on the upper side.
A connector mounting plate 14 for mounting the connector 13 in an obliquely inclined state is provided.

The packed valve 12 is in communication with the outdoor heat exchanger 2 and the refrigeration cycle components 4 such as a compressor via a refrigerant pipe, and is sealed when shipped from the factory. Then, at the installation site, it is connected to a connection pipe extending from the indoor unit, and at this time, the seal is released.

The SL connector 13 is electrically connected to the control electric component 5 described above via a lead wire 15. The SL connector 13 is connected with an external wiring 16 that is electrically connected to an external power supply via an indoor unit, and is covered with a wiring lid 17 with the external wiring connected. The wiring cover 17 is connected to the backed valve 1.
2 and 12 are covered with a packed valve cover 18.

At the installation site, the packed valve cover 18 is removed from the outdoor unit body 1 and the packed valve 12 is removed.
At the same time, the wiring cover 17 is exposed, and the wiring cover is removed to expose the SL connector 13.

The external wiring 16 is connected to the SL connector 13 and a wiring cover 17 is attached. Backed valve 12,1
2 is connected to a refrigerant pipe (not shown) extending from the indoor unit. After performing these processes, the wiring lid 17 and the packed valve 12, and the connection portions of the external wiring 16 and the refrigerant pipe connected thereto are covered. Of course, the external wiring 16 and the refrigerant pipe extend from the packed valve cover 18.

FIG. 3 shows details of the SL connector 13 to which the external wiring 16 is connected is covered with a wiring cover 17, and the wiring cover is covered with a packed valve cover 18. Wiring lid 17
Is made of a metal plate which is a noncombustible material . For example, since a galvanized steel plate is used , there is no need for surface painting and the cost is low.

The wiring cover 17 is screwed to the side of the outdoor unit main body 1 in a vertical state on the front surface of the inclined SL connector 13 attached to the inclined connector attachment plate 15.
In the present embodiment, one of the wiring covers 17 is screwed, and the other is provided with an engaging piece 25 formed of a cut-and-raised tongue, which is provided on the outdoor unit main body 1 when the wiring cover 17 is attached. The insertion hole 26 is inserted and locked.

On this upper side, a hooking recess 20 is provided integrally. The engaging recess 20 is provided in the SL connector 13.
Although it protrudes to the side, there is no interference with the connector and the lead wire 15 because the connector is mounted at an angle.

Even if the lead wire 15 is connected in a greatly loosened state, the engaging recess 20 presses the lead wire and the mounting opening end 21 of the outdoor unit main body 1 having a sharp edge portion.
Because there is no damage to the lead wires.

As shown in FIG. 4A in an enlarged manner, a wiring outlet 22 is formed integrally at the center of the lower end of the wiring lid 17 so as to bulge outward. The external wiring 16 is inserted along the wiring outlet 22.

However, the swelling dimension of the wiring outlet 22 is smaller than the diameter of the external wiring 16 and the size of the recess 10
Since 0 is formed, a part of the wiring is set to protrude from the wiring cover 17.

Therefore, in a state where the wiring cover 17 is attached and fixed to the outdoor unit main body 1 with the fixing screw 23, the lower surface of the wiring lid, in particular, does not adhere to the main body, but floats therefrom. On the other hand, the external wiring 16 protruding from the wiring cover 17 can be firmly held between the wiring cover and the outdoor unit main body 1 by tightening the fixing screw 23. That is, fixing means for pressing and fixing the external wiring 16 to the outdoor unit main body 1 is provided near the wiring outlet 22.

Note that, as shown in FIG.
7, a rising piece 101 is integrally formed at the lower end to prevent the external wiring 16 from being cut by the edge of the wiring outlet 22 and to be used as a handle at the time of attaching the wiring cover. It has become.

As shown in FIG. 3 again, a conveyer recess 27 is integrally formed on the packed valve cover 18. Since it is a concave portion, the wiring lid 17 on the inner surface side
Although it protrudes to the side, since it is provided so as to be inserted into the engaging recess 20 of the wiring lid, it is not necessary to particularly provide a dead space for the recess in the main body 1.

The lower portion of the packed valve cover 18 is bulged to cover the packed valves 12 and 12. The side pipe also swells, and the refrigerant pipe connected to the packed valve 12 and the external wiring 16 extending from the wiring lid 17 are inserted therethrough.

The wiring cover 17 thus attached is
Only the cover is covered by the packed valve cover 18 together with the packed valve 12 projecting downward, and only the cover is exposed to the outside, which is simpler in design than the conventional one.

Here, the packed valve cover 18 is used.
Is made of a synthetic resin material. Therefore, it has excellent corrosion resistance and can sufficiently withstand long-term use. Wiring lid 17
Is covered with the packed valve cover 18, so that the wiring lid does not need to be exposed to rainwater. Wiring lid 1 as described above
An inexpensive galvanized steel sheet can be used as the material of No. 7.

As an extremely rare example, there is a case where the connection of the end of the external wiring 16 to the SL connector 13 is insufficient and heat is generated. Even if the heating value is large and the connection is hot,
Since the wiring lid 17 is a metal material, there is no adverse thermal effect.

[0035]

As described above, according to the present invention, the terminal provided on the outdoor unit body is covered with the wiring cover, and the wiring cover and the external wiring are covered with the packed valve cover covering the connection pipe. As a result, the simplicity of the appearance is ensured and the cost is advantageous.

The wiring cover has a wiring outlet through which external wiring is inserted, and a fixing means for pressing and fixing the wiring to the outdoor unit main body in the vicinity of the wiring outlet, so that a separate wiring fixing means is provided. There is no necessity, and the configuration can be simplified.

Since the wiring lid is formed of a metal plate ,
Even if heat is generated in the wiring connection part, it does not need to be adversely affected by heat, and since the rising piece is provided at the lower end, the external wiring may be cut by the edge of the wiring lid. Absent. Furthermore, since the rising piece can be handled as a handle at the time of the mounting operation, the mounting operation is facilitated.

In the packed valve cover, a carrying recess is formed integrally with a part of the packed valve cover and inserted into the engaging recess of the wiring cover. A recess can be provided. And the packed valve cover is made of synthetic resin
As it is composed, it has excellent corrosion resistance and can withstand long-term use
obtain. The wiring lid is covered with a packed valve cover
And no rainwater is required.
Can be Even if the terminals generate heat
Even if there is a metal plate interposed between the packed valve cover
To protect the outside of the packed valve cover from heat
Has no adverse effect. To summarize the above, with the smallest parts,
This has the effect of realizing multi-functionality.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a part of an outdoor unit main body according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a part of the outdoor unit main body of the embodiment.

FIG. 3 is a partial longitudinal sectional view of the outdoor unit main body of the embodiment.

FIG. 4A is a perspective view illustrating a wiring fixing structure of a wiring cover according to the embodiment. (B) is a partial perspective view of the wiring cover.

FIG. 5 is a perspective view of a conventional outdoor unit.

[Explanation of symbols]

1 ... Outdoor unit main body, 2 ... Outdoor heat exchanger, 3 ... Blower, 4 ...
Compressor, 5: electrical parts, 13: terminal (SL connector), 17: wiring cover, 16: external wiring, 18: packed valve cover, 22: wiring outlet, 23: fixing screw,
101 ... rising piece, 27 ... concave part for carrying, 20 ... concave part.

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazuhito Wakatsuki 336 Tatehara, Fuji-shi, Shizuoka Prefecture Inside the Toshiba Fuji Plant, Ltd. (56) References JP-A-5-52365 (JP, A) JP-A-5-133571 (JP, A) JP-A-56-18868 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 5/00

Claims (4)

(57) [Claims] An outdoor unit of an air conditioner in which components such as a heat exchanger, a blower, a compressor, and electric components for driving and controlling these components are disposed in the outdoor unit main body. Electric parts and this electric parts
And a terminal part for electrically connecting the terminal part via a lead wire. The terminal part is covered with a wiring lid made of a metal plate . The wiring lid and external wiring connected to the terminal part are covered with a connection pipe. An outdoor unit for an air conditioner, wherein the outdoor unit is covered with a packed valve cover made of a synthetic resin material . 2. A wiring cover made of a metal plate, comprising : a wiring outlet through which the external wiring is inserted; and fixing means for pressing and fixing the external wiring to an outdoor unit main body in the vicinity of the wiring outlet . The outdoor unit of an air conditioner according to claim 1, further comprising a rising piece at a lower end . 3. The packaged valve cover made of the synthetic resin material has a carrying recess formed integrally with a part of the packed valve cover, and the wiring lid made of the metal plate is provided with the carrying recess of the packed valve cover. The outdoor unit of an air conditioner according to claim 1, further comprising a hooking recess into which the transporting hooking recess is inserted, at an opposed portion. 4. An outdoor unit of an air conditioner in which components such as a heat exchanger, a blower, a compressor and electric components for driving and controlling these components are arranged in an outdoor unit main body. And a terminal part for electrical connection, and the terminal part is covered with a wiring cover made of a metal plate.
An outdoor unit of an air conditioner, wherein the outdoor unit is covered with a cover made of a synthetic resin material .