KR100478164B1 - Air conditioning device - Google Patents

Abstract

An object of the present invention is to not allow gas to remain in the machine room of an outdoor unit for a long time.

The outdoor heat exchanger 19 has a gas box 60 for accommodating a plurality of gas valves 33 to 35 provided in a supply path for supplying fuel to the gas engine 30, and an inlet 11E through which outside air is blown. And the outdoor heat exchange chamber 11A accommodating the outdoor fan 20 and the gas exchange box 60 and the inside of the outdoor heat exchange chamber 11, and the outdoor heat exchange chamber 11A when the outdoor fan 20 is driven. ) A heat-resistant synthetic rubber hose 61 for guiding the leaked gas to the outdoor heat exchange chamber 11A through the outdoor heat exchange chamber 11 and further discharging it into the atmosphere by using the negative pressure state.

Description

Air Conditioning Unit {AIR CONDITIONING DEVICE}

The present invention relates to an air conditioner in which a compressor is driven by an engine, and more particularly, to a gas heat pump type air conditioner using fuel gas to drive an engine.

Background Art Conventionally, an air conditioner of a gas heat pump system that drives a compressor by a gas engine is known as a kind of air conditioner. In such an air conditioner, the outdoor unit includes the compressor, the four-way valve, the outdoor heat exchanger, and the outdoor expansion valve, and the indoor unit includes the indoor heat exchanger and the indoor expansion valve.

In the cooling operation, the outdoor heat exchanger becomes a condenser by switching the four-way valve to the cooling side, the indoor heat exchanger becomes an evaporator, and the indoor heat exchanger cools the room by the evaporative heat of the refrigerant.

In the heating operation, the four-way valve is switched to the heating side, whereby the outdoor heat exchanger becomes an evaporator, the indoor heat exchanger becomes a condenser, and the indoor heat exchanger heats the room by the heat of condensation of the refrigerant.

By the way, the gas engine which drives the compressor which compresses a refrigerant | coolant supplies gas (for example, city gas or propane gas) which is fuel, and operates.

In this case, a plurality of gas valves are provided in the gas supply path for supplying gas as fuel to the gas engine.

And even if gas leaks from the gas supply path including a gas valve due to deterioration of the packing due to change over time, a gas box having airtightness is provided so that the gas does not diffuse into the machine room of the air conditioner. To accommodate the gas valve.

By the way, in the conventional air conditioner, the gas box is for preventing the gas from leaking into or remaining in the machine room of the outdoor unit in which the gas engine is installed even when a small amount of gas leaks from the fuel supply path.

However, when the packing of the gas box deteriorates with the aging change, the airtightness decreases, and there is a possibility that the gas leaks from the gas box into the machine room of the outdoor unit and the gas may stay in the machine room.

Accordingly, an object of the present invention is to provide an air conditioner in which gas does not stay in a machine room of an outdoor unit for a long time.

In order to solve the said subject, the air conditioner by which a compressor is driven by an engine WHEREIN: The outdoor heat exchange chamber which has an intake port which blows in external air, accommodates a heat exchanger and an outdoor fan, and the supply path | route which supplies fuel to the said engine. And an exhaust box for accommodating a gas valve provided in the gas exchange chamber, and an exhaust communication portion communicating between the housing box and the inside of the outdoor heat exchange chamber.

According to the above configuration, since the inside of the outdoor heat exchange chamber becomes a negative pressure state when the outdoor fan is driven and blows in the outside air from the intake port, even if one gas leaks into the storage box, the gas passes through the exhaust communication unit to the outdoor heat exchange chamber. It flows out and further into the atmosphere.

In this case, one end on the side of the outdoor heat exchange chamber of the exhaust communication portion may be provided in the outdoor heat exchange chamber.

Further, one end of the exhaust heat communicating chamber side at the outdoor heat exchange chamber side may be provided in a flow path of the outside air from the intake port side toward the outdoor fan side.

In addition, the exhaust communication section may be provided in a middle portion with a liquid trap for collecting liquid invading from the side of the outdoor heat exchange chamber at least.

The exhaust communication portion may be constituted by a flexible tubular member, and the liquid trap may be configured by winding the tubular member a predetermined number of times.

In addition, the exhaust communication portion may be configured by a flexible tubular member.

The tubular member may be made of a heat resistant material.

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of this invention is described with reference to drawings.

Fig. 1 is a circuit diagram showing a refrigerant circuit of the air conditioner of this embodiment. 2 is a partial sectional view of the main part of the outdoor unit.

As shown in Fig. 1, the heat pump type air conditioner 10 includes an outdoor unit 11, a plurality of indoor units 12A and 12B, and a control device 13.

The outdoor refrigerant pipe 14 of the outdoor unit 11 and the indoor refrigerant pipes 15A, 15B of the indoor units 12A, 12B are connected.

The outdoor unit 11 is installed outdoors, and is largely provided with an outdoor heat exchange chamber 11A and a machine room 11B.

11 A of outdoor heat exchange chambers are isolate | separated through the machine room 11B and the central partition board 11C, and accommodate the outdoor heat exchanger 19 and the some outdoor fan 20. As shown in FIG. In order to improve heat exchange efficiency, the radiator 46 is integrally attached to the outdoor heat exchanger 19. In this case, the drain pan part 11D is formed in the side edge part side of 11 C of center partition plates, and the outdoor heat exchanger 19 and a part of radiator 46 are accommodated in this drain pan part 11D. Moreover, the inlet 11E for blowing in outside air is formed in the peripheral part of 11A of outdoor heat exchange chambers. In addition, an exhaust port 11F for discharging exhaust after heat exchange is formed at a position corresponding to each outdoor fan 20 at the upper edge portion of the outdoor heat exchange chamber 11A.

As a result, the outdoor fan 20 is driven, and as shown by arrow A in FIG. 2, the intake port 11E → the outdoor heat exchanger 19 → the radiator 46 → the outdoor fan 200 → the exhaust port 11F. Outside air flows in order, and heat exchange is performed efficiently.

The compressor 16 is provided in the machine room 11B, and the outdoor refrigerant pipe 14 mentioned above is connected.

An accumulator 17 is provided on the suction side of the compressor 16.

In addition, the four-way valve 18 is provided on the discharge side of the compressor 16. The outdoor heat exchanger 19, the strainer 28, the outdoor expansion valve 24, the dry core 25, and the safety valve 29 are connected to the four-way valve 18.

In addition, the refrigerant system bypass pipe 26 is disposed by bypassing the outdoor expansion valve 24.

In addition, the strainer 28 separates harmful solids and particles from the refrigerant by filtration. In addition, the safety valve 29 escapes the refrigerant pressure on the discharge side of the compressor 16 to the suction side of the compressor 16.

In addition, the compressor 16 is connected to the gas engine 30 via a flexible coupling 27 or the like and is driven by the gas engine 30.

As shown in FIG. 2, the gas engine 30 is connected with a fuel supply device 31 for supplying gas, which is fuel, via a throttle valve 36 for adjusting a mixing ratio of air and fuel. The fuel supply device 31 is housed in a gas box 60 having airtightness for preventing gas, which is fuel, from remaining in the machine room 11B. In addition, an outlet bracket 60A is provided at the top of the gas box 60 to discharge the gas leaked into the gas box. One end of the heat resistant synthetic rubber hose 61 which functions as an exhaust communication portion having flexibility for communicating the inside of the gas box 60 with the inside of the outdoor heat exchange chamber 11A is connected to this outlet fitting 60A. The other end of the heat resistant synthetic rubber hose 61 is protruded into the outdoor heat exchange chamber 11A while allowing the negative pressure state in the outdoor heat exchange chamber 11A to be maintained by the rubber packing 62. In addition, the middle portion of the heat resistant synthetic rubber hose 61 is wound once, and a liquid trap 61A is formed to prevent liquid such as rain water from the outdoor heat exchange chamber 11A side from flowing into the gas box 60. It is.

As shown in FIG. 2, the fuel supply device 31 includes a fuel supply pipe 32, two fuel shutoff valves 33, a zero governor 34, and a fuel control valve 35.

Two fuel shutoff valves 33 are arranged in series to constitute a two-closed fuel shutoff valve mechanism, and two fuel shutoff valves 33 interlock with each other to completely close or open the shutoff without fuel gas leakage and We choose alternative communication.

The zero governor 34 is selected from among the front and rear primary fuel gas pressures (primary pressure a) and secondary fuel gas pressures (secondary pressure b) of the zero governor 34 in the fuel supply pipe 32. Even with the fluctuation of the primary pressure a, the secondary pressure b is adjusted to a predetermined predetermined pressure to stabilize the operation of the gas engine 30.

The fuel adjustment valve 35 adjusts the fuel supply amount to most appropriately adjust the air-fuel ratio of the resulting mixer.

A throttle valve 36 is connected to the rear end of the fuel supply device 31, and the throttle valve 36 adjusts the amount of the mixer supplied to the combustion chamber of the gas engine 30 to rotate the gas engine 30. Control the number.

In addition, an engine oil supply device 37 is connected to the gas engine 30. The engine oil supply device 37 is provided with an oil shutoff valve 39, an oil supply pump 40, and the like in the oil supply pipe 38, and supplies the engine oil to the gas engine 30 appropriately.

On the other hand, the indoor units 12A and 12B are respectively installed indoors, and the indoor heat exchangers 21A and 21B are disposed in the indoor refrigerant pipes 15A and 15B, respectively. At the same time, the indoor expansion valves 22A and 22B are disposed in the vicinity of the indoor heat exchangers 21A and 21B in each of the indoor refrigerant pipes 15A and 15B. The indoor heat exchangers 21A, 21B are provided adjacent to the indoor fans 23A, 23B blown by these indoor heat exchangers 21A, 21B.

The control device 13 also controls the operation of the outdoor unit 11 and the indoor units 12A, 12B. Specifically, the control device 13 includes a gas engine 30 (compressor 16 going forward), a four-way valve 18, an outdoor fan 20 and an outdoor expansion valve 24 in the outdoor unit 11; The indoor expansion valves 22A, 22B and the indoor fans 23A, 23B in the indoor units 12A, 12B are respectively controlled. Moreover, the control apparatus 13 controls the circulation pump 47, the hot water three-way valve 45, the external pump 50, etc. of the engine cooling apparatus 41 mentioned later.

The engine cooling device 41 is connected via a gas engine 30 to an exhaust gas heat exchanger (not shown), one end of which is attached to the gas engine 30. In addition, the wax three-way valve 43, the hot water heat exchanger 44 as a heat exchanger, and the hot water three-way valve are connected to the substantially closed-loop cooling water pipe 42 in which the other end of the engine cooling device 41 is directly connected to the exhaust gas heat exchanger. 45, the radiator 46, and the circulation pump 47 are arranged one by one, and are comprised with the cooling system bypass pipe 48 and the hot water supply system 49. As shown in FIG.

The circulation pump 47 boosts the engine coolant during operation to circulate the engine coolant in the coolant pipe 42.

The wax three-way valve 43 is for warming up the gas engine 30 quickly. The wax three-way valve 43 is connected to an exhaust gas heat exchanger side in which an inlet 43A is attached to the gas engine 30 in the cooling water pipe 42. In the wax three-way valve 43, the low temperature side outlet 43B is connected to the suction side of the circulation pump 47 in the cooling water pipe 42. The high temperature side outlet 43C of the wax three-way valve 43 is connected to the hot water heat exchanger 44 side in the cooling water pipe 42.

The hot water heat exchanger 44 heat-exchanges hot water as a second medium flowing in the outer pipe 51 of the hot water supply system 49 having the external pump 50 and engine coolant flowed from the wax three-way valve 43. Thus, the hot water of the hot water supply system 49 is heated and heated up by the arrangement of the gas engine 30.

The hot water three-way valve 45 has an inlet 45A connected to the hot water heat exchanger 44 side in the cooling water pipe 42 and disposed downstream of the hot water heat exchanger 44. The ON side outlet 45B of the hot water three-way valve 45 is connected to the suction side of the circulation pump 47 in the cooling water pipe 42. In addition, the OFF side outlet 45C of the hot water three-way valve 45 is connected to the radiator 46 side in the cooling water pipe 42. In the present embodiment, the engine coolant flowing from the hot water heat exchanger 44 via the inlet 45A to the suction side of the circulation pump 47 via the on-side outlet 45B or via the off-side outlet 45C. It is a switchable three-way valve to guide each exclusively to the radiator 46. This hot water three-way valve 45 is driven by a motor, and this motor is controlled by the control device 13.

The radiator 46 is arranged adjacent to the outdoor heat exchanger 19 of the air conditioner 10. Heat dissipation of the engine cooling water cools the engine cooling water to a predetermined temperature (for example, 40 [° C.]).

The cooling system bypass pipe 48 connects the outlet side of the hot water heat exchanger 44 and the inlet side of the radiator 46 in the cooling water pipe 42 to bypass the hot water three-way valve 45. Thereby, the cooling system bypass pipe 48 circulates the pump 47 from the on-side outlet 45B through the inlet 45A for most of the engine cooling water which the hot water three-way valve 45 flowed out of the hot water heat exchanger 44 via. ), A portion of the engine coolant flowing out from the hot water heat exchanger 44, that is, a certain amount of the engine coolant, is always led to the radiator 46 via the cooling system bypass pipe 48.

Next, the overall operation of the air conditioner will be described.

First, an outline of the driving operation will be described.

By switching the four-way valve 18 by the control device 13, the heat pump type air conditioner 10 is set to cooling operation or heating operation.

More specifically, when the control device 13 switches the four-way valve 18 to the cooling side, the coolant flows as shown by the solid arrows shown in the portion of the four-way valve 18. As a result, the outdoor heat exchanger 19 becomes a condenser, the indoor heat exchangers 21A, 21B become an evaporator, and becomes a cooling operation state, and each indoor heat exchanger 21A, 21B cools an interior.

In addition, when the control apparatus 13 switches the four-way valve 18 to the heating side, a refrigerant | coolant flows like the broken arrow shown in the part of the four-way valve 18. As shown in FIG. As a result, the indoor heat exchangers 21A and 21B become a condenser, the outdoor heat exchanger 19 becomes an evaporator, and becomes a heating operation state, and each indoor heat exchanger 21A and 21B heats an interior.

Moreover, the control apparatus 13 controls the valve opening degree of each of the indoor expansion valves 22A and 22B in accordance with an air conditioning load at the time of cooling operation. In the heating operation, the control device 13 controls the valve opening degree of each of the outdoor expansion valve 24 and the indoor expansion valves 22A and 22B according to the air conditioner load.

Next, the control of the gas engine 30 will be described.

Control of the gas engine 30 by the control apparatus 13 is specifically, the fuel shutoff valve 33, the zero governor 34, the fuel control valve 35, and the actuator 36 of the engine fuel supply device 31. And the oil shutoff valve 39 and the oil supply pump 40 of the engine oil supply device 37 by the control device 13.

By the way, the gas engine 30 is cooled by engine coolant as a first medium circulating in the engine cooling device 41.

The engine coolant flows into the exhaust gas heat exchanger of the gas engine 30 at about 40 [° C] from the discharge side of the circulation pump 47. The engine coolant then recovers the arrangement (heat exhaust gas) of the gas engine 30, flows into the gas engine 30, cools the gas engine 30, and heats it to about 80 [° C].

The engine coolant flowing into the wax three-way valve 43 from the gas engine 30 is returned to the circulation pump 47 from the low temperature side outlet 43B when the engine coolant is low temperature (for example, 80 [deg.] C or lower). The gas engine 30 is warmed up quickly. On the other hand, when engine coolant is high temperature (for example, 80 [degreeC] or more), it flows from the high temperature side outlet 43C to the hot water heat exchanger 44. FIG.

The hot water of the hot water supply system 49 flows into the hot water heat exchanger 44 at, for example, about 60 ° C, whereby the temperature is raised to about 70 ° C and supplied to the outside. The hot water of the warm water supply system 49 heated in this way is used for hot water supply or for drying the dehumidifying agent of the desiccant air conditioner. Here, a desiccant air conditioner means the air conditioner which enables dehumidification without lowering room temperature using a dehumidifier.

The engine cooling water heat-exchanged with the hot water of the hot water supply system 49 by the hot water heat exchanger 44 is lowered (cooled) to about 65 ° C. and flows to the hot water three-way valve 45.

The hot water three-way valve 45 circulates the engine coolant introduced from the hot water heat exchanger 44 via the inlet 45A from the hot water heat exchanger 44 from the on-side outlet 45B when the temperature of the engine coolant does not exceed the reference temperature value. Is led to the exhaust gas heat exchanger of the gas engine (30) via the suction side. The gas engine 30 is cooled by engine coolant guided by this exhaust gas heat exchanger. In addition, the hot water three-way valve 45 radiates the engine coolant introduced from the hot water heat exchanger 44 via the inlet 45A to the radiator 46 from the off-side outlet 45C when the temperature of the engine coolant exceeds the reference temperature. ).

The engine coolant cooled to, for example, about 40 [° C.] by the radiator 46 is returned to the exhaust gas heat exchanger of the gas engine 30 via the suction side of the circulation pump 47 to cool the gas engine 30. do.

Thereby, switching of the warm water three-way valve 45 which flows the engine cooling water which flowed in from the inlet 45A from the on-side outlet 45B to the suction side of the circulation pump 47 is stabilized for a long time. Therefore, it becomes possible to stabilize the period of the switching control which alternately switches the hot water three-way valve 45 to the on-side outlet 45B and the off-side outlet 45C.

In addition, since the engine cooling water can be maintained at a high temperature in a range where cooling of the gas engine 30 is not hindered, the heat exchange efficiency of the hot water heat exchanger 44 is improved, so that the high temperature (about 70 ° C.) It becomes possible to take out hot water favorably.

As described above, in the heating operation of the air conditioner 10, the control device 13 operates the circulation pump 47 of the engine cooling device 41 to circulate the engine coolant, thereby causing the external pump 50 to operate. In addition, the hot water three-way valve 45 is controlled to switch engine coolant introduced from the hot water heat exchanger 44 to the inlet 45A from the off-side outlet 45C to the radiator 46. For this reason, the heat (arrangement of the gas engine 30) radiated | heated from the radiator 46 is blown into the outdoor heat exchanger 19 which functions as an evaporator, and is used as a heat source of an evaporator.

On the other hand, during the cooling operation of the air conditioner 10, the control device 13 operates the circulation pump 47 of the engine cooling device 41 to circulate engine coolant, and operates the external pump 50 to operate hot water. The heat exchanger 44 functions, and when the engine coolant is at a temperature below the reference value, most of the engine coolant flowed out of the hot water heat exchanger 44 from the on-side outlet 45B via the inlet 45A to the circulation pump 47. The hot water three-way valve 45 is controlled to be switched to the suction side of the). At this time, the constant amount of engine cooling water flowing out from the hot water heat exchanger 44 is always led to the radiator 46 via the cooling system bypass pipe 48.

By the above-mentioned switching control of the hot water three-way valve 45, since the temperature of engine cooling water is not cooled by the radiator 46 more than necessary, the heat exchange efficiency of the hot water heat exchanger 44 improves and the hot water supply system 49 ), Hot water of high temperature (70 [deg.] C) is taken out and used effectively. In addition, heat exchange by the hot water heat exchanger 44 causes heat of the engine coolant having insufficient cooling (heat dissipation) to be radiated by the engine coolant guided to the radiator 46 via the cooling system bypass pipe 48. Therefore, the gas engine 30 is cooled well by this engine cooling water.

In addition, when the temperature of the engine cooling water exceeds the reference temperature value during this cooling operation, the control device 13 flows into the hot water three-way valve 45 from the hot water heat exchanger 44 via the inlet 45A. Is controlled to switch the hot water three-way valve 45 to be led from the off-side outlet 45C to the radiator 46. As a result, the temperature of the engine cooling water is lowered, and the gas engine 30 is cooled well.

Next, the discharge operation | movement in case the gas which is fuel leaked in the gas box 60 is demonstrated.

As described above, there is a possibility that the gas leaks from the gas supply path including the gas valves such as the fuel shutoff valve 33 and the fuel control valve 35 due to deterioration of the packing due to the change over time. In addition, in the air conditioner of this embodiment, the gas box 60 which has airtightness is provided so that even if a gas leaks, gas will not spread in the machine room 11B of the outdoor unit 11, and this gas will be provided. The box 60 houses a plurality of gas valves as described above.

However, the packing itself of the gas box 60 may also deteriorate, and in such a case, the gas may be diffused into the machine room 11B of the outdoor unit 11.

Therefore, in the present embodiment, the gas leaked into the gas box 60 using the outdoor fan 20 is prevented from leaking into the machine room 11B so as to be discharged out of the equipment of the outdoor unit.

Specifically, when the outdoor fan 20 is driven, the inlet 11E → the outdoor heat exchanger 19 → the radiator 46 → the outdoor fan 20 → the exhaust port 11F, as indicated by arrow A in FIG. 2. Outside air flows in the order of).

As a result, the inside of the outdoor heat exchange chamber 11A is in a negative pressure state.

Thereby, even if gas leaks into the gas box 60, since the inside of the machine room 11 is an atmospheric pressure state, it leaks in order of exiting the exit bracket 60A → heat-resistant synthetic rubber hose 61 → 11A of outdoor heat exchange chambers. Once the gas is discharged into the outdoor heat exchange chamber 11A, it is discharged.

Since the outdoor fan 20 is driven even in this state, the gas discharged into the outdoor heat exchange chamber 11A is supplied with the outdoor air in the order of the outdoor fan 20 → the exhaust port 11F in the order of the outdoor fan 11. It is discharged outwards and diffuses into the atmosphere.

Therefore, even when the airtightness of the gas box 60 decreases with time-lapse change etc., the outdoor unit 11 reliably without the gas leaked into the gas box 60 not remaining in the gas box 60 and the machine room 11B. Will be discharged out.

As described above, according to the present embodiment, even if a gas, which is fuel, leaks into the gas box 60, the gas passes through the outdoor heat exchanger chamber 11A by the driving of the outdoor fan 20 and then the outdoor unit 11. Can be discharged out of the appliance and also diffused into the atmosphere.

As mentioned above, although this invention was demonstrated based on the said embodiment, this invention is not limited to this.

In the above embodiment, the case where a heat resistant synthetic rubber hose is used as the exhaust communication portion has been described. However, the present invention is not limited thereto, and the tubular member can communicate with the gas box and the outdoor heat exchange chamber. As long as it is a member which has the strength which can ensure the flow path of gas, it is possible similarly. That is, even metal piping is possible. However, from the viewpoint of ease of installation, the member having flexibility is more preferable.

Moreover, in the said embodiment, although the liquid trap was comprised by winding the intermediate part of the heat resistant synthetic rubber hose which is an exhaust communication part, it is also possible to comprise so that a separate liquid trap apparatus may be provided.

In the above embodiment, it is described that one end portion of the heat-resistant synthetic rubber hose, which is the exhaust communication portion, may be provided to protrude in the outdoor heat exchange chamber, but more preferably, it is disposed in the air passage of the outside air or near the suction side of the outdoor fan. It is possible to discharge the leaked gas more quickly.

In addition, the heat-resistant synthetic rubber hose, which is an exhaust communication part, was protrudingly provided to maintain a negative pressure state in the outdoor heat exchanger chamber by using a rubber packing in a hole provided in the central partition plate, but the attachment method is not limited thereto. That is, if the negative pressure in the outdoor heat exchanger chamber is attached to be maintained, various methods such as attaching a member such as an outlet bracket of the gas box to the central partition plate or using a hole provided for another pipe can be applied. Do.

Moreover, in the said embodiment, although no backflow prevention apparatus was provided in the heat resistant synthetic rubber hose which is an exhaust communication part, it is also possible to provide a backflow prevention valve etc. Thereby, the leaked gas can be discharged reliably.

According to the present invention, even when gas, which is fuel, leaks in an accommodating box accommodating various gas valves, the leaked gas can be discharged out of the outdoor unit through an outdoor heat exchange chamber by an outdoor fan and diffused into the atmosphere. have.

Therefore, even if the gas leaks, it is possible to prevent the gas from remaining in the outdoor unit (for example, in the machine room).

1 is a circuit diagram showing a refrigerant circuit of the air conditioner of the embodiment;

2 is a sectional view of an essential part of an outdoor unit of the air conditioner of the embodiment;

<Explanation of symbols for the main parts of the drawings>

10: air conditioner

11: outdoor unit

11A: Outdoor Heat Exchange Chamber

11B: Machine Room

13: control device

16: compressor

19: outdoor heat exchanger

20: outdoor fan

21A, 21B: Indoor Heat Exchanger

22A, 22B: Indoor Expansion Valve

24: outdoor expansion valve

30: gas engine

33: fuel shutoff valve (gas valve)

34 fuel control valve (gas valve)

60 gas box (receiving box)

61: heat resistant synthetic rubber hose (exhaust communication section)

61A: Liquid Trap

Claims (7)

In an air conditioner in which a compressor is driven by an engine, An outdoor heat exchange chamber having an intake port for blowing outside air and accommodating a heat exchanger and an outdoor fan; An accommodating box accommodating a gas valve installed in a supply path for supplying fuel to the engine; And an exhaust communication portion communicating between the receiving box and the inside of the outdoor heat exchange chamber. The air conditioner according to claim 1, wherein one end of the exhaust heat communicating unit at the side of the outdoor heat exchange chamber is provided in the outdoor heat exchange chamber. The air conditioner according to claim 1, wherein one end of the exhaust heat communicating chamber at one end of the outdoor heat exchange chamber is provided in a flow path of the outside air from the intake port side to the outdoor fan side. The air conditioner according to any one of claims 1 to 3, wherein the exhaust communication portion is provided with a liquid trap for collecting liquid infiltrating from the side of the outdoor heat exchange chamber at least in an intermediate portion thereof. 5. The exhaust communication system according to claim 4, wherein the exhaust communication portion is constituted by a flexible tubular member, The liquid trap is configured by winding the tubular member a predetermined number of times. The air conditioner according to any one of claims 1 to 3, wherein the exhaust communication portion is constituted by a flexible tubular member. The air conditioner according to claim 5, wherein the tubular member is made of a heat resistant material.