JPH03217733A - Individual type air conditioner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an individual air conditioner that is attached to a wall of a building or the like.

2. Prior Art Conventionally, an individual air conditioner that is attached to the wall of a building has a structure as shown in Fig. 3. In other words, the wall 1
The main body 2 of the individual air conditioner installed along the
A compressor room 5 is provided between the indoor unit 3 and the indoor unit 3, and the outdoor unit has an outdoor heat exchanger 6 and an outdoor blower 9 having two fans 7.8 below it. The cabin 6 has a compressor (not shown) and a box-shaped box in front of it. A center duct 12 is provided that connects an outdoor communication port 10 that communicates with the outdoor unit section 3 and an indoor communication port 11 that communicates with the indoor unit section 4. An indoor heat exchanger 13 and an indoor blower 14 are installed in the indoor unit section 4.
It is equipped with

A wire 16 is connected to the outdoor communication port 10 to an intake damper A15 for cooling outside air driven by a damper motor (not shown), and an exhaust damper A17 for cooling outside air is connected to the other end of this wire 16. It is provided corresponding to the suction port of one fan 8 of the blower 9. On the other hand, a section plate 20 is provided on the back of the indoor unit section 4, which is formed into a substantially L shape and has an upper end in contact with the top plate 18 and a lower end in contact with the back panel A19. 21 includes the partition plate 20 and the back panel 1.
A ventilation damper B22 and a wandering damper B23 are provided in the area divided by 9. It is configured to be opened and closed by a damper motor (not shown). Further, the center plate 21 is provided with an outside air intake port 24 corresponding to the indoor blower 14, and the indoor unit section 4 is provided with an outside air intake port 24 corresponding to the indoor blower 14. A box-shaped duct 25 is attached to the duct 21. The inside of the duct 26 is configured in an L shape, and this L-shaped configuration is provided at the rear of the duct 26 and an intake air path shown by an arrow F that communicates the intake damper B 22 with the outside air intake port 24. An L-shaped partition plate 27 is attached to define an exhaust air path shown by arrow G that communicates the exhaust port 26 with the exhaust damper B23. In this way, conventionally, when using outside air cooling. By operating the outdoor blower 9 and the indoor blower 14, the intake damper A
15 and the exhaust damper A1 are opened, outdoor air is taken in from the rear of the indoor unit section 4 along the partition plate 20 as shown by arrow A, passes through the compressor room 5, and is drawn into the outdoor blower 19. While being blown out from the fan 7, it flows from the intake damper A1s through the center duct 12 as shown by arrow B, passes through the indoor air outlet 11, and is attracted by the indoor blower 14 of the indoor unit section 4 as shown by arrow C. It is blown out into the room. On the other hand, the exhaust gas is provided by an exhaust damper A provided in the outdoor unit section 3, as shown by arrow D in 5.
Indoor air 9 is drawn in from 17 by the fan 8 of the outdoor blower 9 and exhausted to the outside as shown by arrow E. Next, during ventilation, the intake damper B22 provided on the cent plate 21 of the indoor unit section 4 and the exhaust damper B23 located immediately below are opened. Outdoor air is taken in, passes through the intake damper B22, flows in an L shape as shown by the arrow F, passes through the intake air passage, and is blown into the indoor air 11 from the outside air intake port 24.
! 14 and is blown out into the room as shown by arrow C. On the other hand, the exhaust air passes through the exhaust air path in the duct 26 as shown by arrow G from the exhaust port 26 to the exhaust damper B2.
3 and is attracted from the compressor room 6 to the outdoor blower 9, and the arrow E
As shown in the figure, the exhaust was vented outdoors.

Problems to be Solved by the Invention In such a conventional structure, a duct 26 must be attached to the side of the main body 2 to perform air intake and exhaust air in order to provide ventilation at the same time as air conditioning. There was an ode to the fact that as the width of the duct 26 installed on the side of the machine increased, the cost for 250 ducts also increased.

The present invention solves the above-mentioned conventional problems, and aims to reduce the size and cost of an air conditioner.

Means for Solving the Problems In order to solve this problem, the present invention provides a system between an outdoor unit section having an outdoor blower and an outdoor heat exchanger, and an indoor unit section having an indoor blower and an indoor heat exchanger. A compressor room having a compressor is provided, and a center duct is provided in front of the compressor to connect an outdoor communication port that communicates with the outdoor unit section and an indoor communication port that communicates with the indoor unit section, A damper device that opens and closes corresponding to one fan of the outdoor blower is installed at the mouth, and this damper device has two opening degrees: fully open and half open, using a damper motor and wire.
The intake damper is controlled in stages, and the intake damper and the exhaust damper are both controlled in two stages by the wire.

Operation With this configuration, outside air cooling and air conditioning ventilation are performed by a damper device installed at the outdoor communication port of the center duct installed in front of the compressor room, and the outside air cooling is performed by interlocking the intake damper and exhaust damper. During air conditioning, both intake and exhaust dampers are fully open, and during air conditioning ventilation, both intake and exhaust dampers are half open. During outside air cooling, a large amount of outside air is taken in, and during air conditioning ventilation, an amount equivalent to ventilation is taken in.・It will be exhausted.

EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 and 2. A main body 32 of the individual air conditioner is attached to a wall surface 31, and the main body 32 has an outdoor unit part 33 and an indoor unit part 34, and a compressor chamber 35 between the outdoor unit part 33 and the indoor unit part 34. We are prepared. The outdoor unit section 33 includes an outdoor heat exchanger 36 and two fans 37 below it. The compressor chamber 35 has an outdoor blower 39 with a 38-inch compressor (not shown), and a box-shaped compressor (not shown) in the compressor chamber 35. A center duct 42 is provided that connects an outdoor communication port 4o communicating with the outdoor unit section 33 and an indoor communication port 41 communicating with the indoor unit section 34.

The indoor unit section 34 is provided with an indoor heat exchanger 43 and an indoor blower 44, and the back section of the indoor unit section 34 is formed into a substantially L shape, with the upper end abutting the top plate 46 and the lower end contacting the back panel 46. A partition plate 48 is provided, one long side of which abuts against a set plate 47 of the indoor unit section 34, and which engages an outdoor air passage separated from the unit section 34.

In FIG. 1, the outdoor communication port 40 has a damper device 6 corresponding to the outlet of the fan 37 of the outdoor blower 39.
8 intake dampers 49 are provided. The upper end of the intake damper 49 is fixed to the middle set plate 42'a with a screw 61 via a butterfly plate 50, and the slide plate 6 is fixed to the middle set plate 42'a with a groove 62 formed at the long side end.
5 is attached. On the other hand, a damper motor 64 is fixed to a front panel (not shown) by screws, and the shaft of the damper motor 54 is formed in a Z shape, and its tip is fitted into the groove 52 formed in the nullide plate 65. A damper cam 65 is provided. By energizing the damper motor 64, the damper cam 65 rotates, and the tip of the damper cam 56 is brought into contact with the groove 6.
2, the intake damper 49 opens and closes using the butterfly plate 6o as a pivot. The intake damper 49 and the exhaust damper 67 are configured to be fully open or half open.

That is, a wire 66 is connected to the end of the damper 49 with a screw, and the other end of the wire 66 is connected to the outdoor blower 39.
The lower end is connected to the exhaust damper 67 attached to the main body 32 by a butterfly plate (not shown), and the intake damper 49 and the exhaust damper 67 open and close in conjunction with each other. , this opening/closing is selected as either fully open or half open.

In the above configuration, when performing outside air cooling, the intake damper 49 and the exhaust damper 67 are fully opened, and the outdoor blower 39 and the indoor blower 44 are operated.
On the intake side, outside air flows into the indoor unit section 34 as shown by arrow A.
outside air is sucked in from the rear, passes through the outdoor air ventilation path formed by the partition plate 48, flows toward the compressor room 36, and is blown out from the fan 37 of the outdoor blower 39, passing through the outdoor communication port 40, The air flows from the intake damper 49 through the center duct 42 as shown by arrow B', is sucked into the indoor blower 44 from the indoor air outlet 41, and is drawn together with the indoor circulating air shown by arrow F' as shown by arrow C'. , is blown out into the room. On the other hand, on the exhaust side, indoor air is drawn by the fan 38 of the outdoor blower 39 from the exhaust damper 57 provided in the outdoor unit section 33 as shown by arrow D', and is exhausted to the outside as shown by arrow E'. Ru. Also, during air conditioning ventilation, the damper 49 and the exhaust damper 6
7 is half-open, resulting in the same air flow as during outside air cooling as described above, but in order to prevent an increase in air conditioning load, the amount of outside air taken in during air conditioning ventilation must be reduced compared to when outside air cooling. For this reason, the intake damper 49 and the exhaust damper 67 are brought into a half-open state (Fig. 1) by controlling the damper motor 64, so that the exhaust volume and the intake volume are half-opened so as to correspond to the air conditioning ventilation volume. be.

Note that in the present invention, the intake damper 49 is connected to the outdoor communication port 4.
0, but it goes without saying that the same effect can be obtained even if it is provided at the indoor communication port 41.

Effects of the Invention As is clear from the description of the embodiments described above, the present invention includes a damper motor and a structure in which the outdoor communication port of the center duct is fully opened and half-opened by a wire, so that the outdoor communication port of the center duct is fully opened and half opened.
The exhaust damper is fully open and half-open during air conditioning ventilation, and the opening on the intake damper side is adjusted in two stages, so the air flow during outside air cooling and the air flow during air conditioning ventilation can be adjusted. It becomes possible to configure the air conditioner with the same flow path, making it unnecessary to install a ventilation duct on the side of the main unit, and the horizontal dimensions of the air conditioner are greatly reduced, making it more compact. This also eliminates the need for the intake damper B and the exhaust damper B, which has the effect of significantly reducing costs.

[Brief explanation of drawings]

Fig. 1 is a detailed view of an intake damper of an individual air conditioner according to an embodiment of the present invention, Fig. 2 is a perspective view of the individual air conditioner, and Fig. 3 is a perspective view of a conventional individual air conditioner. It is a diagram. 33... Outdoor unit part, 34... Indoor unit part, 36... Compressor room, 36...
...Outdoor heat exchanger, 39...Outdoor blower, 4
0...Outdoor communication port, 41...゛゜・Indoor communication port, 42...Center duct, 43...
・Indoor heat exchanger, 44...Indoor blower, 49・
...Intake damper, 64...Damper motor, 66
・River...Wire, 67...Exhaust damper, 68
・River... Danba device.

Claims (1)

[Claims] A compressor room having a compressor is provided between an outdoor unit having an outdoor blower and an outdoor heat exchanger and an indoor unit having an indoor blower and an indoor heat exchanger, and in front of the compressor, A center duct is provided that connects an outdoor communication port communicating with the outdoor unit section and an indoor communication port communicating with the indoor unit section, and the outdoor communication port is provided with a damper that opens and closes corresponding to one fan of the outdoor blower. A device is provided, and this damper device is equipped with an intake damper whose opening degree is controlled in two stages, fully open and half open, by a damper motor and a wire, and the intake damper and the exhaust damper are both controlled in two stages by the wire. Individual air conditioner.