JP4219231B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner provided with an electrical box containing a pair of control boards therein.

  In general, this type of air conditioner includes an electrical box that houses a control board such as a heat exchanger, a blower, and a printed circuit board inside a casing as an air conditioner body. There is known one in which a pair of control boards are arranged opposite to each other (for example, see Patent Document 1).

In the electrical box having the above-described conventional configuration, the lead wires extending from each control board cannot be routed inside the electrical box body because the electronic components mounted on each control board are in the way. Therefore, the lead wire is drawn out from one end of the electrical box body, is routed along the outer wall of the electrical box body, and is a connection space installed at the other end of the electrical box body from various devices. It was connected to the other lead wires that extend.
Japanese Patent Laid-Open No. 7-12368

  By the way, in the above-mentioned prior art, in order to draw out the lead wire from one end of the electrical box body to the outside and to route it along the outer wall of the electrical box body, a stopper for bundling the lead wires is required. It was a thing.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an air conditioner that eliminates the above-described problems of the prior art, eliminates the need for an extra stopper for bundling lead wires, and facilitates wiring of lead wires. There is to do.

The invention according to claim 1 is an air conditioner including a heat exchanger, a blower, and an electrical box inside a housing. The electrical box has an electrical box body, and the electrical box body has a side direction. A pair of control boards are arranged along the terminal board, and a terminal block to which the pair of control boards and power lines are connected is arranged along the other side direction adjacent to one side of the electrical box body. A groove is formed between the wall of the main body and the inside and outside of the electrical box main body, and lead wires extending from the pair of control boards are led to the outside of the electrical box main body through the groove. the terminal block, the conjunction is disposed at a position corresponding to the groove, the terminal block is characterized in that a structure to affix pressed down the lead by straddling the groove.

According to a second aspect of the present invention, in the air conditioner according to the first aspect, on the outside of the lead wire lead-out side of the electrical box body, other leads extending from the lead wire and various devices connected thereto. A space for connecting the line is provided .

  In the present invention, in an air conditioner including an electrical equipment box that houses a heat exchanger, a blower, and a control board inside a housing, the electrical equipment box has an electrical equipment box body, and the electrical equipment box body has a side direction. A pair of control boards are arranged along the terminal board, and a terminal block to which the pair of control boards and power lines are connected is arranged along the other side direction adjacent to one side of the electrical box body. A groove portion is formed between the wall of the main body and the inner side and the outer side of the electrical box main body, and lead wires extending from the pair of control boards are led to the outer side of the electric box main body through the groove portion. Because it is configured, the lead wire led out of the electrical box body is in a state of being bundled by the groove without the need for a stopper, so that it can be wired well and an extra wire for bundling the lead wire No stop is required Now, it can be easily wiring work of the lead wires.

  Further, in the present invention, since the terminal block is arranged at a position corresponding to the groove portion, the lead wire inserted into the groove portion can be pressed by the terminal block, and the lead wire can be reliably inserted into the groove portion. It becomes possible to fix.

  Furthermore, in the present invention, a space for connecting the lead wire and another lead wire extending from various devices connected to the lead wire is provided outside the lead wire lead-out side of the electrical box body. Since it is a configuration, it is not necessary to draw out the lead wire from one end side of the electrical box main body to the outside after the lead wire is pulled out as in the conventional case, and the work efficiency of the wiring connection work in the space is reduced. Can be improved.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. In FIG. 1, reference numeral 1 denotes an indoor wall plate 1. The air conditioner 3 according to an embodiment of the present invention is attached to the inner portion of the attachment opening 2.

  As shown in FIGS. 1 and 2, the air conditioner 3 includes a casing 3 </ b> A serving as an outer frame. A synthetic resin frame 4 and a frame 4 are supported inside the casing 3 </ b> A. A blower 5 composed of a cross flow fan or the like, a heat exchanger 6 bent in a substantially square shape and performing heat exchange between refrigerant and air, a front frame 7, and a filter 8 supported by the front frame 7. A drain pan 9 is provided below the heat exchanger 6. Further, 10 is an outlet member, and 11 is a lower plate of the housing 3A.

  The heat exchanger 6 is supplied with refrigerant from an outdoor unit (not shown) in which a compressor, a four-way valve, an outdoor heat exchanger, and a pressure reducing device are built.

  As shown in FIG. 1, a suction grill 12 is disposed on the front surface of the housing 3 </ b> A, and the filter 8 is disposed inside the suction grill 12. The air in the conditioned chamber sucked into the housing 3A from the suction port 12A of the suction grill 12 reaches the heat exchanger 6 after being removed by the filter 8, and after being air-conditioned here, the blower 5 The air is blown into the conditioned room from an air outlet 12B formed in the lower portion of the suction grill 12.

  At the right end of the housing 3A in a front view, an electrical box 20 is arranged side by side with the frame 4 and extends almost fully in the longitudinal direction of the housing 3A.

  FIG. 3 is a front view of the electrical box, and FIG. 4 is a bottom view of the electrical box. The electrical box 20 includes a resin-made electrical box body 21, and a pair of control boards 22, 23 are disposed in the electrical box body 21 along the one side direction A so as to face each other. The control boards 22 and 23 are held by the electrical box main body 21 by inserting both edges into a concave groove 21 </ b> A formed on the inner wall of the electrical box main body 21.

  Each of the control boards 22 and 23 is mounted with electronic components (not shown) on the surfaces facing each other, and lead wires 25 and 26 connected to these electronic parts extend from the control boards 22 and 23. Then, after being drawn around the inside of the electrical box main body 21, it is led out to the outside of the electrical box main body 21, as shown in FIG.

  A terminal block 28 is disposed in the electrical box main body 21 along the other side direction B adjacent to one side of the electrical box main body 21, and the control boards 22, 23 are arranged on the terminal block 28. And a power line (not shown) are connected. As shown in FIG. 4, a groove 29 is formed between the terminal block 28 and the electrical box body 21 so as to communicate the inside and the outside of the electrical box body 21. Specifically, a substantially U-shaped groove portion 29 is formed on the outer wall of the electrical box main body 21, and the terminal block 28 described above is disposed so as to straddle the groove portion 29. It is arranged on the electrical box main body 21 at a position corresponding to the groove 29.

  In this embodiment, the lead wires 25 and 26 connected to the electronic components (not shown) are routed inside the electrical box main body 21 and then inserted into the groove 29 surrounded by the terminal block 28, It is led out of the box body 21. Then, by forming the size of the groove portion 29 so as to allow the lead wires 25 and 26 to pass therethrough, the lead wires 25 and 26 inserted through the groove portion 29 are pressed from above by the terminal block 28. Therefore, the groove 29 is firmly fixed.

  According to this, as in the conventional case, the lead wire is pulled out from one end of the electrical box main body to the outside, and is routed along the outer wall of the electrical box main body to connect to the other end of the electrical box main body. There is no need to lead to space. That is, as shown in FIG. 3, the connection space is a space S formed below the terminal block 28 and formed outside the electrical box main body 21, and the space S includes, for example, the blower 5. Lead wires connected to the motor and lead wires connected to sensors such as a suction temperature sensor are guided, and at this position, the lead wires and the lead wires 25 and 26 are connected by connectors.

  In the present embodiment, since the lead wires 25 and 26 pass through the inside of the electrical box main body 21 and are led out to the outside of the electrical box main body 21 through the groove 29, they are routed outside the electrical box main body 21 as in the conventional case. Compared with the device, wiring can be performed in a good manner, and an extra stopper for bundling the lead wires is not required, and the efficiency of wiring connection work can be improved.

  As mentioned above, although this invention was demonstrated based on one Example, this invention is not limited to this, A various change is possible.

It is a longitudinal cross-sectional view which shows one Example of the air conditioner which concerns on this invention. It is a disassembled perspective view of an air conditioner. It is a front view of an electrical equipment box. It is a bottom view of an electrical equipment box.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ceiling board 3 Air conditioner 3A Case 5 Blower 6 Heat exchanger 20 Electrical box 21 Electrical box body 22 Control board 23 Control board 25 Lead wire 26 Lead wire 28 Terminal block 29 Groove S Space

Claims (2)

In an air conditioner equipped with a heat exchanger, blower and electrical box inside the housing,
The electrical box has an electrical box body, a pair of control boards are arranged along one side direction of the electrical box body, and the pair of control boards are arranged along the other side direction adjacent to one side of the electrical box body. And a terminal block to which the power supply line is connected, and a groove is formed between the terminal block and the wall of the electrical box body to communicate the inside and outside of the electrical box body, and is inserted into the groove. Lead wires extending from the pair of control boards to the outside of the electrical box main body , the terminal block is disposed at a position corresponding to the groove portion, and the terminal block straddles the groove portion to lead the lead an air conditioner is characterized in that the you fixed configuration pressed down the line. A space for connecting the lead wire and other lead wires extending from various devices connected to the lead wire is provided outside the lead wire lead-out side of the electrical box body. The air conditioner according to 1.

Images