JPH11132593A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve COP and simplify construction of a system in an air conditioning system for temperature adjustment and moisture adjustment. SOLUTION: There are provided a gas heat pump refrigerant circuit 10 including a gas engine 30, and a hygroscopic solution circuit 11 through which a hygroscopic solution is circulated. There are further provided an auxiliary heat exchanger 19 for heating the hygroscopic solution with condensation heat of a refrigerant upon cooling/dehumidifying operation, and a heating heat exchanger 28 for heating the hygroscopic solution with waste gas. There is provided a hygroscopic solution heat exchanger 16 for cooling the hygroscopic solution with evaporation heat of the refrigherant upon the cooling/ dehumidifying operation. In the cooling/ dehumidifying operation the hygroscopic solution discharges water into outdoor air through a moisture permeable film of a water fraction exchanger 23 while cooling and dehumidifying indoor air in heat/water exchangers 24, 24,... having a moisture permeable film.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly to an air conditioner for controlling temperature and humidity.

[0002]

2. Description of the Related Art Conventionally, a gas heat pump (GHP)
2. Description of the Related Art A gas air-conditioning system for controlling temperature and humidity in a room using a heat source such as a refrigerator or an absorption or adsorption type refrigerator is known. For example, there is known a system in which low-temperature water generated by a heat source is circulated through an indoor heat exchanger during cooling operation to cool and dehumidify indoor air. However, in such a system, it is necessary to cool the room air to a temperature lower than the dew point for dehumidification, so that the temperature of the chilled water has to be considerably low. However, in the absorption or adsorption refrigerators, there are many technical problems in producing low-temperature cold water. In addition, many costs were required to overcome these problems. On the other hand, in the gas heat pump, the low pressure in the refrigerant circuit has to be considerably reduced, resulting in a significant decrease in COP.

Therefore, as disclosed in, for example, JP-A-6-221618, there has been proposed a system in which a desiccant rotor type dehumidifier using a dry type moisture absorbent is separately provided, and a heat source and the above dehumidifier are used in combination. Have been. That is,
In this system, the heat source is used exclusively for controlling the temperature of room air, while indoor dehumidification is performed by a dehumidifier. With such a configuration, the temperature of the cold water generated by the heat source can be increased, and the C
OP can be improved.

[0004]

However, in the above system, a piping system for a heat source and a piping system for a dehumidifier are required, and the system is complicated.

For example, in a system as shown in FIG.
In each of the plurality of rooms, an indoor heat exchanger (a) and a desiccant rotor type dehumidifier (e) are provided. The indoor heat exchangers (a), (a),... Are connected to a heat source (b) such as a GHP or an absorption refrigerator through a pipe (c) through which cold water flows. Heat source (b), indoor heat exchangers (a), (a), ... and piping (c)
Constitutes a piping system (d) on the heat source side. On the other hand, the dehumidifiers (e), (e),... Are connected to a hot gas supply source (f) (for example, an exhaust gas supply of a cogeneration system) through a pipe (g) through which hot gas for regeneration of the desiccant rotor flows. Source). Hot gas source (f), dehumidifier (e), (e),
, And the piping (g) constitute a piping system (h) on the dehumidifier side.

Accordingly, the system shown in FIG. 8 requires a piping system (d) on the heat source side and a piping system (h) on the dehumidifier side, that is, two independent piping systems, which complicates the system. Therefore, it takes time and effort to arrange the piping, and there is a limit to the cost reduction of the system. In addition, when humidification is performed in addition to dehumidification, a humidifier must be separately provided.

[0007] The present invention has been made in view of the above points, and an object of the present invention is to improve the COP in an air conditioning system for controlling temperature and humidity.
The purpose is to simplify the system configuration.

[0008]

In order to achieve the above object, the present invention provides a moisture absorbing solution circuit (11) in which a moisture absorbing solution circulates, and heat and moisture are conveyed by the moisture absorbing solution to control temperature and moisture. It was decided to perform humidity control.

More specifically, the invention according to claim 1 comprises a heat source (10, 63) driven by the energy of combustion to generate hot and cold heat, and a hygroscopic solution through which a hygroscopic solution for transferring heat and moisture circulates. An air conditioner for controlling temperature and humidity with a solution circuit (11, 11a);
a) is provided with a moisture permeable membrane, and the first solution to be harmonized with the moisture absorbing solution.
Heat and moisture exchange means (24) for exchanging heat between the first air and the moisture-absorbing solution through the moisture-permeable membrane, Water exchange means (24)
An auxiliary heat exchanger (19) for heating or cooling the moisture-absorbing solution that has flowed out by the heat or cold of the heat source (10, 63), and a moisture-permeable membrane, and the auxiliary heat exchanger ( A moisture exchange means (23) for exchanging moisture between the moisture-absorbing solution flowing out of (19) and the second air; and a moisture-absorbing solution flowing out of the moisture-exchanging means (23) by the heat source (10, 63). A moisture-absorbing liquid heat exchanger (16) is provided, which is cooled or heated by cold or warm heat and supplied to the hot-moisture exchanging means (24).

[0010] The heat source driven by the energy of combustion to generate hot and cold heat includes, for example, a heat source driven by heat generated when burning fuel, such as an absorption refrigerator or a gas engine heat pump. , A heat source utilizing high-pressure gas generated by combustion. In other words, this means that the heat source is not a heat source driven by electric energy, such as a heat source that circulates a refrigerant by an electric compressor.

According to the above-mentioned invention, during the cooling and dehumidifying operation, the slightly low-temperature and low-concentration moisture-absorbing solution obtained by cooling and dehumidifying the first air in the hot-moisture exchanging means (24) is supplied to the hot-moisture exchanging means (24). And flows into the auxiliary heat exchanger (19). This moisture absorbing solution is heated by the heat of the heat source in the auxiliary heat exchanger (19), becomes a high temperature and low concentration moisture absorbing solution, and flows into the moisture exchange means (23). This moisture-absorbing solution releases moisture to the air through the moisture-permeable membrane in the moisture exchange means (23),
It becomes a high temperature and high concentration moisture absorbing solution. This moisture absorbing solution flows into the moisture absorbing liquid heat exchanger (16), and is cooled by the cold heat of the heat source to become a low-temperature and high-concentration moisture absorbing solution. This hygroscopic solution flows into the hot water exchange means (24) to cool and dehumidify the first air.

On the other hand, during the heating and humidifying operation, the slightly high-temperature and high-concentration moisture-absorbing solution obtained by heating and humidifying the first air in the hot-moisture exchange means (24) flows out of the hot-moisture exchange means (24). It flows into the auxiliary heat exchanger (19). The hygroscopic solution is cooled by the heat of the heat source in the auxiliary heat exchanger (19), becomes a low-temperature and high-concentration hygroscopic solution, and flows into the water exchange means (23). This moisture absorbing solution absorbs moisture from the air through the moisture permeable membrane in the moisture exchange means (23), and becomes a low temperature and low concentration moisture absorbing solution. This moisture-absorbing solution is used for the moisture-absorbing liquid heat exchanger (16).
And is heated by the heat of the heat source to become a high-temperature and low-concentration hygroscopic solution. The hygroscopic solution flows into the hot water exchange means (24) and heats and humidifies the first air.

[0013] In this way, in the heat and moisture exchange means (24), the temperature control and humidity control of the first air to be conditioned are performed simultaneously, so that the temperature control piping system and the humidity control piping system are used. Need not be provided separately, and the configuration of the system is simplified.

According to a second aspect of the present invention, in the air conditioner of the first aspect, the heat source comprises a heat source (10, 63) for generating a high-temperature combustion gas, and the moisture absorbing solution circuit (11, 11a).
Between the auxiliary heat exchanger (19) and the moisture exchange means (23), the heating heat exchanger (2) for heating the moisture absorbing solution by the combustion gas.
8) is provided.

According to the above-mentioned specific features of the invention, during the cooling and dehumidifying operation, the moisture-absorbing solution flowing into the moisture exchanging means (23) is heated by the combustion gas of the heat source, so that the temperature becomes higher and flows through the moisture exchanging means (23). . The amount of moisture released from the moisture absorbing solution to the air through the moisture permeable membrane of the moisture exchange means (23) is determined by the difference between the water vapor partial pressure of the moisture absorbing solution and the air. The release of water will increase. Therefore, the amount of water that can be released increases, and the upper limit of the amount of water that can be dehumidified can be increased. That is, the range in which the humidity can be adjusted increases.

According to a third aspect of the present invention, in the air conditioner of the second aspect, the heat source is a gas heat pump (1) having a gas engine (30) for generating a high-temperature combustion gas.
0).

According to the above-mentioned invention, the gas engine (3
Since the hygroscopic solution is heated by the high-temperature waste heat of 0), effective use of energy is achieved and COP is improved.

According to a fourth aspect of the present invention, in the air conditioner of the second aspect, the heat source is an absorption heat pump (63) including a combustion means (45) for generating a high-temperature combustion gas.
Alternatively, it is configured by an adsorption heat pump.

According to the invention, the absorption or absorption heat pump is used as the heat source.
Since the hygroscopic solution is heated by the high-temperature combustion gas generated by the combustion means (45), effective use of energy is achieved and C
OP is improved.

According to a fifth aspect of the present invention, there is provided a heat source (32) driven by combustion energy to generate hot and cold heat and generate high-temperature combustion gas, and a hygroscopic solution in which a hygroscopic solution for conveying heat and moisture circulates. An air conditioner that performs temperature control and humidity control including a solution circuit (11) and a water circuit (70) through which makeup water of a hygroscopic solution flows, wherein the water circuit (70) includes the heat source (32 ) Is provided with a water supply heating heat exchanger (47) for heating the makeup water with the combustion gas of (1), while the moisture absorbing solution circuit (11) is provided with a moisture permeable membrane, and the first moisture absorbing solution is in harmony with the moisture absorbing solution. A heat and moisture exchanging means (24) for exchanging heat with air and exchanging moisture between the hygroscopic solution and the first air through the moisture permeable membrane; Occasionally, regeneration heat heat exchange for heating the hygroscopic solution flowing out of the hot moisture exchange means (24) with the combustion gas. (48), a moisture exchange means comprising a moisture permeable membrane, and for transferring moisture from the hygroscopic solution flowing out of the regeneration heating heat exchanger (48) to the second air through the moisture permeable membrane during the cooling and dehumidifying operation. (23), and the moisture-absorbing solution flowing out of the moisture exchange means (23) during the cooling and dehumidifying operation is transferred to the heat source (32).
A cooling heat exchanger (51) that cools with cold heat and supplies the hot water exchange means (24), and a heating heat exchanger for supplying water to the water circuit (70) during a heating and humidifying operation, including a moisture permeable membrane. (47) The water exchange means (5) for transferring water from the water flowing out to the moisture absorbing solution flowing out of the hot moisture exchange means (24) through the moisture permeable membrane.
0), heating the moisture absorbing solution flowing out of the water supply water exchange means (50) during the heating and humidifying operation with the combustion gas of the heat source (32),
Moisture absorbing heat heat exchanger to be supplied to the hot water exchange means (24)
(46) is provided.

According to the above-mentioned specific features of the invention, during the cooling and dehumidifying operation, the slightly low-temperature and low-concentration moisture-absorbing solution obtained by cooling and dehumidifying the first air in the hot-moisture exchange means (24) is supplied to the hot-moisture exchange means (24) And flows into the regeneration heat exchanger (48). The moisture absorbing solution is heated by the combustion gas of the heat source (32) in the regeneration heat exchanger (48), becomes a high temperature and low concentration moisture absorbing solution, and flows into the moisture exchange means (23). This moisture absorbing solution releases moisture to the air through the moisture permeable membrane in the moisture exchange means (23), and becomes a high temperature and high concentration moisture absorbing solution. This moisture-absorbing solution is supplied to the heat source in the cooling heat exchanger (51).
It is cooled by the cold heat of (32), and becomes a low-temperature and high-concentration moisture absorbing solution. This hygroscopic solution flows into the hot water exchange means (24) to cool and dehumidify the first air.

On the other hand, during the heating and humidifying operation, the slightly high-temperature and high-concentration moisture-absorbing solution obtained by heating and humidifying the first air in the hot-moisture exchange means (24) flows out of the hot-moisture exchange means (24). It flows into the water supply water exchanger (50). On the other hand, the water heated by the combustion gas in the feed water heating heat exchanger (47) and further heated is supplied to the feed water heating heat exchanger (47) through the water circuit (70). The moisture absorbing solution of the water supply heating heat exchanger (47) absorbs water from the water, becomes a slightly high temperature and low concentration moisture absorbing solution, and flows into the moisture absorbing liquid heating heat exchanger (46).
This moisture absorbing solution is heated by the combustion gas and becomes a high temperature moisture absorbing solution. The hygroscopic solution flows into the hot water exchange means (24) and heats and humidifies the first air.

In this way, since the temperature and humidity of the first air are simultaneously controlled in the heat and moisture exchange means (24), it is necessary to separately provide a temperature control piping system and a humidity control piping system. And the configuration of the system is simplified.
In addition, since the combustion gas of the heat source (32) is effectively used, C
OP is improved.

According to a sixth aspect of the present invention, in the air conditioner of the fifth aspect, the heat source is an absorption refrigerator (32) provided with a combustion means (45) for generating a high-temperature combustion gas or an adsorption refrigerator. The cooling heat exchanger (51) is provided in the evaporator (35) of the refrigerator (32).

According to the above-mentioned specific features of the invention, the absorption refrigerator (32) or the adsorption refrigerator is used as the heat source, and the effect of improving the COP is more remarkably exhibited.

According to a seventh aspect of the present invention, in the air conditioner of the sixth aspect, the heat medium for recovering condensation heat, absorption heat or adsorption heat of the absorption refrigerator (32) or the adsorption refrigerator is used. It is provided with a circulating heat medium circuit (61), and a regeneration auxiliary heat exchanger (58) for heating the hygroscopic solution supplied to the moisture exchange means (23) by the heat medium during the cooling and dehumidifying operation. Things.

According to the above-mentioned invention specific matter, during the cooling and dehumidifying operation, the heat medium recovers the heat of condensation, the heat of absorption or the heat of adsorption to increase the temperature. The heat medium exchanges heat with the hygroscopic solution flowing into the moisture exchange means (23) in the auxiliary heat exchanger for regeneration (58) to heat the hygroscopic solution. Therefore, the regeneration amount of the moisture absorbing solution increases. Therefore, the range in which the humidity can be adjusted increases.

The invention according to claim 8 is the air conditioner according to claim 6, wherein the moisture-absorbing solution supplied to the moisture exchange means (23) during the cooling and dehumidifying operation is supplied to the absorption refrigerator (32) or the adsorption refrigerator. An auxiliary heating heat exchanger (62) for heating by the heat of condensation, heat of absorption or heat of adsorption of the refrigerator is provided.

According to the invention-specific matter, during the cooling and dehumidifying operation, the moisture-absorbing solution is directly heated by the heat of condensation, heat of absorption or heat of adsorption. Therefore, heat loss during heating is small. Therefore, the humidity control range can be efficiently expanded.

According to a ninth aspect of the present invention, in the air conditioner according to any one of the first and fifth aspects, a microcapsule-shaped latent heat storage material is mixed in the moisture absorbing solution. Things.

According to the above-mentioned specific features of the invention, the heat transfer capacity of the moisture absorbing solution is increased. Therefore, the COP is improved.

[0032]

Embodiments of the present invention will be described below with reference to the drawings.

<Embodiment 1> -Configuration of air conditioner (1)-As shown in FIG. 1, an air conditioner (1) according to Embodiment 1
Includes a gas heat pump type refrigerant circuit (10) and a moisture absorbing solution circuit (11) in which the moisture absorbing solution circulates.

The refrigerant circuit (10) includes a gas engine driven compressor (12) having a gas engine (30), a four-way switching valve (13),
An air heat exchanger (1) that exchanges heat between refrigerant and air
4), an expansion valve (15), and a main circuit (17) in which the moisture absorbent heat exchanger (16) is connected in order, and a bypass circuit (18) provided in parallel with the air heat exchanger (14). It is configured. An auxiliary heat exchanger (19) is provided in the bypass circuit (18). The moisture absorbent heat exchanger (16) and the auxiliary heat exchanger (19) are connected to the refrigerant circuit (1
This is a heat exchanger for performing heat exchange between the refrigerant of 0) and the hygroscopic solution of the hygroscopic solution circuit (11).

The hygroscopic solution circuit (11) is a circuit for circulating a hygroscopic solution (for example, an aqueous solution of lithium chloride, an aqueous solution of calcium chloride, etc.) for transporting heat and moisture, and includes a pump (20),
A flow control valve (21), an auxiliary heat exchanger (19), and a moisture exchanger (2) for exchanging moisture between the hygroscopic solution and outdoor air via a moisture permeable membrane.
3), a moisture absorption liquid heat exchanger (16), and a main circuit (25) in which a plurality of heat and moisture exchangers (24), (24),...
And a bypass circuit (26) for bypassing the hygroscopic solution discharged from the pump (20) to the hygroscopic liquid heat exchanger (16). The main circuit (25) has a moisture absorbing solution flowing from the flow regulating valve (21) toward the auxiliary heat exchanger (19) and a moisture exchanger.
A heat recovery heat exchanger (22) for performing heat exchange with the hygroscopic solution flowing from (23) toward the hygroscopic liquid heat exchanger (16) is provided. The bypass circuit (26) is provided with a flow control valve (27). Between the auxiliary heat exchanger (19) of the main circuit (25) and the moisture exchanger (23), a solenoid valve (29) and a heating heat exchanger (28)
A heating bypass circuit (31) provided with The heating heat exchanger (28) is a heat exchanger that heats the moisture absorbing solution flowing into the moisture exchanger (23) by exchanging heat between the exhaust gas (combustion gas) of the gas engine (30) and the moisture absorbing solution. is there.

Each heat-moisture exchanger (24) of the moisture absorbing solution circuit (11)
(24), ... are indoor units (U2), (U2),
…. On the other hand, other devices are provided in an outdoor unit (U1) installed outdoors.

-Operation of the air conditioner (1)-Next, the operation of the air conditioner (1) will be described.

(Cooling and Dehumidifying Operation) In the cooling and dehumidifying operation, the four-way switching valve (13) of the refrigerant circuit (10) is set on the broken line side shown in FIG. Refrigerant discharged from the compressor (12) passes through the four-way switching valve (13), and then is branched and air heat exchanger (14)
After flowing through the auxiliary heat exchanger (19) and condensing in the air heat exchanger (14) and the auxiliary heat exchanger (19), they are merged and the expansion valve (1
The pressure is reduced in 5). The depressurized refrigerant is supplied to the moisture absorbing liquid heat exchanger (1).
After evaporating in 6) and passing through the four-way switching valve (13), it is sucked into the compressor (12).

On the other hand, in the moisture absorbing solution circuit (11), the pump (20)
The moisture-absorbing solution discharged from is divided and flows through the main circuit (25) and the bypass circuit (26). Here, the moisture-absorbing solution discharged from the pump (20) is a solution that cools the indoor air and absorbs moisture in the air in the heat-moisture exchanger (24),
It is a slightly low temperature and low concentration moisture absorbing solution. FIG.
FIG. 4 is a characteristic diagram of a partial pressure of water vapor with respect to a temperature of a moisture absorbing solution. The hygroscopic solution discharged from the pump (20) is, for example, as shown in FIG.
In the state represented by state point A.

The moisture-absorbing solution flowing through the main circuit (25) exchanges heat with the moisture-absorbing solution at the return-side heat exchanger (22B) in the outward heat exchanger (22A) of the heat recovery heat exchanger (22). Heated.
Therefore, the temperature rises, and the state changes from state point A to state point B.

Thereafter, the moisture-absorbing solution at the state point B is heated by the refrigerant in the refrigerant circuit (10) in the auxiliary heat exchanger (19) to be in a state represented by the state point C.

Further, the hygroscopic solution at the state point C flows through the heating bypass circuit (31) and is heated in the heating heat exchanger (28). As a result, the temperature further rises to a high temperature and low concentration state represented by state point D.

The moisture absorbing solution at the state point D is supplied to the heating heat exchanger (28).
And flows into the moisture exchanger (23). Moisture exchanger (23)
In, the moisture absorbing solution releases moisture to the outdoor air, and becomes a high concentration moisture absorbing solution represented by state point E. That is, as shown in FIG. 2, since the water vapor partial pressure of the moisture absorbing solution in the water exchanger (23) is larger than the water vapor partial pressure of the outdoor air, the difference between the water vapor partial pressures becomes the driving force, and Moisture moves from the hygroscopic solution to the outdoor air through the membrane. Therefore, the hygroscopic solution is regenerated.

Thereafter, the moisture-absorbing solution at the state point E that has flowed out of the moisture exchanger (23) is supplied to the return heat exchanger of the heat recovery heat exchanger (22).
It is cooled at (22B), and the state of state point F is reached. Then, it merges with the hygroscopic solution flowing through the bypass circuit (26), and is mixed with the hygroscopic solution to be in a state of the state point G.

The return heat exchanger (22) of the heat recovery heat exchanger (22)
The hygroscopic solution flowing out of B) is cooled by the refrigerant in the refrigerant circuit (10) in the hygroscopic liquid heat exchanger (16). As a result, a low temperature and high concentration state represented by the state point H is obtained.

The low-temperature and high-concentration moisture-absorbing solution that has flowed out of the moisture-absorbent liquid heat exchanger (16) performs heat exchange and moisture exchange with indoor air in the heat-moisture exchangers (24), (24),. The state becomes the state of the state point A. That is, it cools the indoor air and absorbs moisture from the indoor air. At this time, the amount of moisture absorbed from the indoor air, that is, the amount of dehumidification, is determined by the difference in partial pressure of water vapor between the state point Y of the indoor air and the state point H of the hygroscopic solution. The moisture-absorbing solution flowing out of the heat-moisture exchangers (24), (24),
It is sucked into the pump (20) and performs the circulation operation again.

In the above-described circulation operation, the heat-moisture exchanger (2
The temperature of the moisture absorbing solution in 4) is mainly determined by the moisture absorbing heat exchanger.
It is adjusted by the cooling amount in (16). On the other hand, the concentration of the hygroscopic solution in the heat-moisture exchanger (24) is adjusted by the flow ratio of the hygroscopic solution in the main circuit (25) and the bypass circuit (26). And while the temperature of the indoor air is adjusted by adjusting the temperature of the moisture absorbing solution, the humidity of the indoor air is adjusted by adjusting the concentration of the moisture absorbing solution.

(Heating and Humidifying Operation) In the heating and humidifying operation, the four-way switching valve (13) of the refrigerant circuit (10) is set to the solid line side shown in FIG. Refrigerant discharged from the compressor (12) is condensed in the moisture-absorbing liquid heat exchanger (16), decompressed by the expansion valve (15), and then diverted to the air heat exchanger (14) and the auxiliary heat exchanger. The evaporator (19) evaporates, merges and returns to the compressor (12).

On the other hand, in the moisture absorbing solution circuit (11), the pump (20)
The hygroscopic solution discharged from the main circuit (25) and the bypass circuit
(26). The moisture absorbing solution flowing in the main circuit (25) performs heat exchange and moisture exchange as follows.

As shown in FIG. 3, the hygroscopic solution discharged from the pump (20) at the state point A1 is returned to the return heat exchanger (22A) in the forward heat exchanger (22A) of the heat recovery heat exchanger (22). 22B), and is brought into the state of state point B1. This moisture absorbing solution is supplied to the refrigerant circuit (10) in the auxiliary heat exchanger (19).
, And is brought into the state of state point C1. The moisture absorbing solution at the state point C1 absorbs moisture from the outdoor air at the state point X1 in the moisture exchanger (23), and becomes a low concentration state represented by the state point D1. Thereafter, the moisture absorbing solution at the state point D1 is heated in the return-side heat exchange section (22B) of the heat recovery heat exchanger (22), and after reaching the state at the state point E1, the bypass circuit
It merges with the hygroscopic solution of (26) and becomes the state of state point F1. The moisture absorbing solution at the state point F1 is heated by the refrigerant in the refrigerant circuit (10) in the moisture absorbing liquid heat exchanger (16), and becomes a high-temperature and low-concentration moisture absorbing solution represented by the state point G1. The high-temperature and low-concentration moisture-absorbing solution heats and humidifies the room air at the state point Y1 in the heat-moisture exchangers (24), (24),. As a result, the hygroscopic solution at the state point G1 enters the state at the state point A1, and is sucked into the pump (20).

Even in this operation, the temperature and humidity of the indoor air are adjusted by adjusting the temperature and the concentration of the moisture-absorbing solution in the heat-moisture exchanger (24).

-Effects of Air Conditioner (1)-According to the present air conditioner (1), the heat and moisture exchanger (2
Since only 4) is provided, the moisture absorbing solution circuit is
Only the pipe of (11) needs to be provided. Also, a heat and moisture exchanger
Since cooling, dehumidification, heating and humidification are performed by (24), it is not necessary to separately provide a humidifier. Therefore, the system can be simplified and the cost can be reduced.

In the cooling and dehumidifying operation, since the moisture absorbing solution is used as the heat medium for cooling the indoor air, dehumidification is possible without lowering the temperature to the dew point of the indoor air. Therefore, the temperature of the low-temperature portion of the refrigerant circuit (10) can be increased. Specifically, the evaporation temperature in the evaporator of the refrigerant circuit (10) can be increased. Therefore, the low pressure of the refrigerant circuit (10) can be increased, so that the COP of the system can be improved.

During the cooling and dehumidifying operation, the gas engine (3
Since the waste heat of 0) can be used for the regeneration of the hygroscopic solution, energy can be effectively used. Therefore, the COP of the system can be further improved.

By controlling the amount of cooling or the amount of heating by the heat source, it is possible to easily control the room temperature. Further, by adjusting the concentration of the moisture absorbing solution, the indoor humidity can be easily controlled. Further, since the temperature control and the humidity control can be executed independently of each other, the ratio of the sensible heat and the latent heat to be removed from the indoor air can be easily changed, and the controllability of temperature control and humidity control can be improved. I do.

<Embodiment 2> An air conditioner (2) according to Embodiment 2 is provided with an absorption refrigerator (32) as a heat source and a moisture absorbing solution circuit (11).

-Configuration of Air Conditioner (2)-As shown in FIG. 4, the absorption refrigerator (32) is a water-lithium bromide absorption refrigerator, and includes a regenerator (33), Absorber (3
4), an evaporator (35), and a condenser (36). Regenerator
(33) and the absorber (34) are connected by a solution circuit (39) provided with a solution pump (37) and a solution heat exchanger (38). The condenser (36) and the evaporator (35) are connected by a refrigerant pipe (41) provided with an expansion valve (40). Regenerator (33)
And the condenser (36) are connected by a high-pressure steam pipe (71). The evaporator (35) and the absorber (34) are connected by a low-pressure steam pipe (72).

A first cooling heat exchanger (42) is provided in the absorber (34).
The condenser (36) is provided with a second cooling heat exchanger (43). The first cooling heat exchanger (42) and the second cooling heat exchanger (4)
3) means the first cooling heat exchanger (42) to the second cooling heat exchanger (4).
It is connected by a water pipe (44) so that cooling water flows toward 3).

The regenerator (33) is provided with a burner (45) as a heating source for heating the dilute solution. Burner (45)
A blower (49) for supplying a high-temperature combustion gas to a moisture-absorbing liquid heating heat exchanger (46), a water supply heating heat exchanger (47) and a regeneration heating heat exchanger (48), which will be described later, is provided. I have.

The main circuit (25) of the moisture absorbing solution circuit (11) is a pump
(20), a flow control valve (21), an outward heat exchange section (22A) of a heat recovery heat exchanger (22), a heating heat exchanger for regeneration (48), a moisture exchanger (2
3), a return heat exchanger (22B) of the heat recovery heat exchanger (22), a water supply water exchanger (50) for exchanging moisture between water and a moisture absorbing solution through a moisture permeable membrane, and an evaporator. (35) Cooling heat exchanger
(51), a first solenoid valve (52), a moisture absorbing liquid heating heat exchanger (46), and a hot water / moisture exchanger (24), (24),... In the moisture absorbing solution circuit (11), a bypass circuit (26) having a flow control valve (27) is provided with a flow control valve (21), a heat recovery heat exchanger.
(22), provided in parallel with the regeneration heat exchanger (48) and the moisture exchanger (23). A bypass circuit (53) including a second solenoid valve (54) is provided in parallel with the first solenoid valve (52) and the heat exchanger for heating the hygroscopic liquid (46).

The heat absorbing heat exchanger (46) and the regenerating heating heat exchanger (48) exchange heat between the high-temperature combustion gas from the burner (45) and the moisture absorbing solution to heat the moisture absorbing solution. It is a heat exchanger and is composed of a pneumatic heat exchanger.

The water supply heat exchanger (47) and the water supply moisture exchanger (50) are connected by a water pipe (55). The water supply heat exchanger (47) is connected to a water supply tank (not shown) via a water supply pipe (57) provided with a flow rate regulating valve (56). That is, water is supplied from the water supply tank to the water supply heating heat exchanger (47) in accordance with the amount of water supplied to the hygroscopic solution through the water supply water exchanger (50), and after the water is heated. The water supply water exchanger (50) is supplied through a water pipe (55). Heating heat exchanger for water supply (47)
Is a heat exchanger for heating the water by heat exchange between the supplied water and the combustion gas of the burner (45), and is constituted by an air heat exchanger. Heating heat exchanger for water supply (47),
The water supply water exchanger (50) and the water pipe (55) constitute a water circuit (70).

-Operation of Air Conditioner (2)-Next, a cooling dehumidifying operation and a heating humidifying operation of the air conditioner (2) will be described.

(Cooling and Dehumidifying Operation) In the absorption refrigerator (32), the dilute solution in the absorber (34) is transported to the regenerator (33) by the solution pump (37), and the regenerator (33) uses the burner (33). 45)
Heated by As a result, the refrigerant in the dilute solution evaporates, and the dilute solution becomes a concentrated solution.

The refrigerant vapor generated in the regenerator (33) flows into the condenser (36) through the high-pressure steam pipe (71) and exchanges heat with the cooling water flowing through the second cooling heat exchanger (43). Condense.

The condensed refrigerant is reduced in pressure by the expansion valve (40),
In the evaporator (35), heat is taken from the hygroscopic solution flowing through the cooling heat exchanger (51) to evaporate. That is, the refrigerant cools the hygroscopic solution.

The evaporated refrigerant flows into the absorber (34) through the low-pressure steam pipe (72), and is absorbed by the concentrated solution supplied from the regenerator (33). As a result, the concentrated solution becomes a dilute solution.

By performing the circulation operation of the refrigerant and the absorbing solution as described above, the inside of the condenser (36) is maintained at a high pressure, and the inside of the evaporator (35) is maintained at a low pressure.

In the moisture absorbing solution circuit (11), the first solenoid valve
While (52) is closed, the second solenoid valve (54) is opened.
Further, the flow control valve (56) of the water supply pipe (57) is closed.

In this state, the slightly low-temperature and low-concentration moisture-absorbing solution discharged from the pump (20) is divided into the main circuit (25) and the bypass circuit (26). After the hygroscopic solution flowing through the main circuit (25) has its flow rate adjusted by the flow rate adjusting valve (21),
It flows into the outward heat exchange section (22A) of the heat recovery heat exchanger (22). This moisture absorbing solution is heated by the moisture absorbing solution in the return heat exchange section (22B). The moisture-absorbing solution flowing out of the outward heat exchange section (22A) is heated by the combustion gas in the regeneration heat exchanger (48). As described above, the moisture absorbing solution is heated in the outward heat exchange section (22A) and the regeneration heat exchanger (48) to become a high temperature and low concentration moisture absorbing solution.

The moisture-absorbing solution that has flowed out of the regeneration heat exchanger (48) releases moisture to the outdoor air in the moisture exchanger (23), and becomes a high-temperature and high-concentration moisture-absorbing solution. That is, the moisture absorbing solution is regenerated in the moisture exchanger (23).

The moisture-absorbing solution flowing out of the moisture exchanger (23) is heat-exchanged with the moisture-absorbing solution flowing through the outward heat-exchange section (22A) in the return heat-exchange section (22B) of the heat recovery heat exchanger (22). Do
Cooled. The moisture absorbing solution flowing out of the return heat exchange section (22B) merges with the moisture absorbing solution flowing through the bypass circuit (26),
It passes through the water supply water exchanger (50) and flows into the cooling heat exchanger (51).

In the cooling heat exchanger (51), the moisture-absorbing solution is cooled by the refrigerant, and becomes a low-temperature and high-concentration moisture-absorbing solution. The hygroscopic solution flowing out of the cooling heat exchanger (51) flows through the bypass circuit (53), and then cools and dehumidifies the indoor air in the hot moisture exchangers (24), (24),. Heat and moisture exchanger (2
4), (24),... Are sucked into the pump (20), and the circulation operation is performed again.

The amount of cooling of the indoor air is controlled by a heat and moisture exchanger.
(24), (24),... Is performed by controlling the temperature of the hygroscopic solution. Specifically, the temperature of the hygroscopic solution is adjusted by adjusting the amount of cooling of the hygroscopic solution in the cooling heat exchanger (51).

On the other hand, the amount of dehumidification of the indoor air is adjusted by adjusting the concentration of the hygroscopic solution flowing through the heat and moisture exchangers (24), (24),. Specifically, the concentration of the hygroscopic solution is adjusted by adjusting the amount of released moisture in the moisture exchanger (23). Since the amount of released water in the moisture exchanger (23) is determined by the difference in the partial pressure of water vapor between the hygroscopic solution and the outdoor air, the air conditioning apparatus (2) mainly uses the regeneration heat heat exchanger (48). The amount of heating of the hygroscopic solution at is controlled. Specifically, the supply amount or temperature of the combustion gas supplied to the heating heat exchanger for regeneration (48) is adjusted.

(Heating Heating Operation) In the heating heating operation, in the absorption refrigerator (32), the burner (45) is operated to generate combustion gas.

On the other hand, in the moisture absorbing solution circuit (11), the first
The solenoid valve (52) is opened, and the second solenoid valve (54) is closed.
Further, the flow control valve (21) of the main circuit (25) is set to the fully closed state.

The slightly high-temperature and high-concentration moisture-absorbing solution discharged from the pump (20) flows through the bypass circuit (26). At this time, the flow rate is adjusted by the flow rate adjusting valve (27). The moisture-absorbing solution flowing through the bypass circuit (26) is supplied to the water supply water exchanger (50).
Flows into.

Outside the moisture permeable membrane of the water supply water exchanger (50), high-temperature makeup water heated by the combustion gas in the water supply heating heat exchanger (47) is supplied through a water pipe (55). You. The moisture absorbing solution that has flowed into the water supply water exchanger (50) flows inside the moisture permeable membrane. At this time, since the water vapor partial pressure corresponding to the temperature of the makeup water is larger than the water vapor partial pressure of the moisture absorbing solution, the water moves from the makeup water to the moisture absorbing solution via the moisture permeable membrane based on the difference in the steam partial pressure. . That is, moisture is supplied to the moisture absorbing solution, and the concentration of the moisture absorbing solution becomes low.

The moisture-absorbing solution having a low concentration flows out of the water supply water exchanger (50) and then flows into the moisture-absorbing liquid heating heat exchanger (46). In the hygroscopic liquid heating heat exchanger (46), the hygroscopic solution exchanges heat with the combustion gas, and is heated to increase the temperature. That is, it becomes a high temperature and low concentration moisture absorbing solution.

The high-temperature and low-concentration moisture-absorbing solution heats and humidifies the indoor air in the heat-moisture exchangers (24).
The hygroscopic solution flowing out of the heat-moisture exchangers (24), (24), is sucked into the pump (20) and repeats the above-described circulation operation again.

The heating amount of the indoor air is adjusted by a heat-moisture exchanger.
(24), (24),... Is performed by controlling the temperature of the hygroscopic solution. Specifically, the temperature of the hygroscopic solution is adjusted by adjusting the supply amount or temperature of the combustion gas in the hygroscopic liquid heating heat exchanger (46).

On the other hand, the amount of humidification of the indoor air is adjusted by adjusting the concentration of the hygroscopic solution flowing through the heat and moisture exchangers (24), (24),. Specifically, water exchanger for water supply (50)
By adjusting the amount of water absorption in the above, the concentration of the moisture absorbing solution is adjusted. Since the amount of water absorption in the water supply water exchanger (50) is determined by the temperature difference between the makeup water and the moisture absorbing solution, the air conditioner (2) controls the temperature of the makeup water. Specifically, the heating heat exchanger for water supply (47)
The supply amount or the temperature of the combustion gas to be supplied to is controlled.

According to the present air conditioner (2), the following effects can be obtained in addition to the effects described in the first embodiment.

That is, an absorption refrigerator can be used as a heat source. It is difficult for water-lithium bromide-based absorption refrigerators to generate low-temperature cold water, and when low-temperature cold water is generated, the COP is significantly reduced. However, according to the present air conditioner (2), since dehumidification is performed using a moisture absorbing solution, it is not necessary to generate cold water having a dew point equal to or lower than the dew point of room air. Therefore, even when the absorption refrigerator is used as a heat source, an operation with a high COP can be performed.

<Third Embodiment> An air conditioner (3) according to a third embodiment is different from the air conditioner (2) of the second embodiment in that auxiliary heat exchangers (58), (59) for regenerating a hygroscopic solution. ).

-Configuration of Air Conditioner (3)-As shown in FIG. 5, in the air conditioner (3), the outward heat exchanger of the heat recovery heat exchanger (22) of the moisture absorbing solution circuit (11). (2
A first auxiliary heat exchanger (58) as an auxiliary heat exchanger for regeneration is provided between 2A) and the heating heat exchanger for regeneration (48). Further, a second auxiliary heat exchanger (59) is provided on the upstream side in the air passage of the moisture exchanger (23).

The first auxiliary heat exchanger (58) and the second auxiliary heat exchanger (59) are connected to a water circulation circuit (61) as a heat medium circuit for recovering heat of absorption and heat of condensation of the absorption refrigerator (32). Is provided.
The water circulation circuit (61) includes a pump (60), a first auxiliary heat exchanger (5
8), a second auxiliary heat exchanger (59), a first cooling heat exchanger (42), and a second cooling heat exchanger (43) are connected in this order. Therefore, in the first auxiliary heat exchanger (58), the water circulation circuit (6
The water of 1) and the moisture absorbing solution in the moisture absorbing solution circuit (11) exchange heat, and the moisture absorbing solution is heated. In the second auxiliary heat exchanger (59), water in the water circulation circuit (61) exchanges heat with outdoor air,
The outdoor air is heated and becomes hot air. Then, the high-temperature air is supplied to the moisture exchanger (23).

The other configuration is the same as that of the air conditioner of the second embodiment.
Same as (2).

-Operation of Air Conditioning Apparatus (3)-The heating and heating operation is the same as that of the second embodiment, and the description is omitted. Here, only the cooling and dehumidifying operation will be described.

(Cooling and Dehumidifying Operation) The absorption refrigerator (32) operates in the same manner as in the second embodiment.

In the moisture absorbing solution circuit (11), the pump (20)
The low-temperature and low-concentration moisture-absorbing solution discharged from the diverter is divided into a main circuit (25) and a bypass circuit (26). After the flow rate of the hygroscopic solution flowing through the main circuit (25) is adjusted by the flow rate adjustment valve (21), the outward heat exchange section (22A) of the heat recovery heat exchanger (22)
, First auxiliary heat exchanger (58) and regenerative heating heat exchanger (48)
And becomes a high-temperature and low-concentration hygroscopic solution.

The high-temperature and low-concentration hygroscopic solution is supplied to a moisture exchanger.
In (23), moisture is exchanged with the low-temperature air cooled by the second auxiliary heat exchanger (59), and is regenerated to a high-concentration hygroscopic solution.

The moisture-absorbing solution flowing out of the moisture exchanger (23) is thereafter subjected to the heat recovery heat exchanger (2) as in the second embodiment.
After flowing through the return-side heat exchange section (22B) of 2), the cooling heat exchanger (51), the bypass circuit (53), and the heat and moisture exchangers (24), (24), ..., the pump (20) Circulate to be sucked into.

-Effect of air conditioner (3)-In the present air conditioner (3), since the first auxiliary heat exchanger (58) heats the hygroscopic solution, it is necessary to increase the regeneration amount of the hygroscopic solution. Can be. In other words, even if the heat and moisture exchanger (2
Even if the amount of dehumidification in 4), (24), ... is large, the moisture exchanger (23)
In the above, the absorbing solution can be regenerated to the original high concentration state. Therefore, the concentration range of the absorption solution that can be used is widened, and the range of humidity control is expanded.

For example, the total heat load including the sensible heat load and the latent heat load is Qt, and the calorific value of the combustion gas of the burner (45) is Qt.
g, the efficiency of the burner (45) is η = 0.9, and the absorption refrigerator (3
If the COP of 2) is C = 1.1, the heat input to the burner (45) is Qa = Qt / (C · η), and the heat input to the absorption refrigerator (32) is Qb = Qt / C. Become. Therefore, since the calorific value of the combustion gas is calculated by Qg = Qa-Qb, Q
g = 0.1Qt. Therefore, if the regeneration of the hygroscopic solution is performed only by the heat of the combustion gas, only air conditioning with an SHF (sensible heat ratio) of 0.9 or more can be performed. However, in this air conditioner (3), the first auxiliary heat exchanger (5
Since the hygroscopic solution is heated in 8), the SHF can perform smaller air conditioning. Therefore, the controllable range of the air conditioning is widened.

<Fourth Embodiment> An air conditioner (4) according to a fourth embodiment is different from the air conditioner (2) of the second embodiment in that an absorber (34) is provided with auxiliary heating heat exchange for regeneration of a hygroscopic solution. A vessel (62) is provided.

As shown in FIG. 6, in the air conditioner (4), an auxiliary heating heat exchanger (62) for heating the hygroscopic solution by the heat of absorption generated in the absorber (34) is provided. It is provided in. In the moisture absorbing solution circuit (11), the auxiliary heating heat exchanger (62) is connected to the outward heat exchange section (22) of the heat recovery heat exchanger (22).
A) and a regeneration heat exchanger (48).

Therefore, during the cooling and dehumidifying operation, the hygroscopic solution flows through the heat recovery heat exchanger (22), the auxiliary heating heat exchanger (62), and the regeneration heating heat exchanger (48) in that order, and is heated.

Therefore, in the present air conditioner (4),
As in the air conditioner (3) of the third embodiment, the amount of regeneration of the hygroscopic solution can be increased, and the same effect as in the third embodiment can be obtained.

Furthermore, in the present air conditioner (4), the heat generated in the absorption refrigerator (32) is directly given to the moisture absorbing solution. That is, the moisture absorbing solution receives the heat generated by the absorption refrigerator (32) without passing through another heat medium such as water in the water circulation circuit (61). Therefore, heat loss is small and the configuration of the system is simplified.

The auxiliary heating heat exchanger (62) is connected to the absorber (34).
It may be provided not only in the condenser (36) but also in both the absorber (34) and the condenser (36). That is,
By the heat of condensation generated in the condenser (36) or the heat of absorption generated in the absorber (34) and the heat of condensation generated in the condenser (36),
The moisture absorbing solution may be heated.

<Fifth Embodiment> An air conditioner (5) according to a fifth embodiment is the same as the air conditioner (1) according to the first embodiment.
The heat source is replaced with an absorption heat pump from a gas heat pump.

-Configuration of Air Conditioner (5)-As shown in FIG. 7, the air conditioner (5) includes a refrigerant circuit (63) of an absorption heat pump and a moisture absorbing solution circuit (11a).

In the refrigerant circuit (63), the regenerator (33) and the absorber (3)
4a) are connected by a solution circuit (39). The solution circuit (39) includes a solution pump (37), a low-temperature side heat exchange section (38A) of the solution heat exchanger (38), a regenerator (33), and a high-temperature side heat exchange section of the solution heat exchanger (38) ( 38B), the expansion valve (40), and the absorber (34a) are connected in a ring shape. Expansion valve (40) and absorber
(34a), a first three-way valve (64) is provided.
A second three-way valve is provided between the absorber (34a) and the solution pump (37).
(65) is provided. The absorber (34a) is an air-cooled absorber, and is configured to cool the absorbing solution by outdoor air. A bypass circuit (68) is provided between the first three-way valve (64) and the second three-way valve (65). The bypass circuit (68) is provided with a hygroscopic liquid heating absorber (69) for heating the hygroscopic solution with the absorbing solution during the heating operation.

A high-pressure refrigerant vapor pipe (66) is connected to the regenerator (33). Between the expansion valve (40) and the first three-way valve (64),
The low-pressure refrigerant vapor pipe (67) is branched. Regenerator (33), high-pressure refrigerant vapor pipe (66), four-way switching valve (13), moisture absorbent heat exchanger (1
6), the expansion valve (15), the air heat exchanger (14) and the auxiliary heat exchanger (19) provided in parallel, and the low-pressure refrigerant vapor pipe (67) are connected in the above order, and the solution circuit (39) ) Together with the refrigerant circuit (63).

The hygroscopic solution circuit (11a) has the same configuration as the hygroscopic solution circuit (11) of the first embodiment. However, in the present hygroscopic solution circuit (11a), the above-mentioned hygroscopic liquid heating absorber (69) is provided on the upstream side of the hygroscopic liquid heat exchanger (16).

-Operation of the air conditioner (5)-(Cooling and dehumidifying operation) In the cooling and dehumidifying operation, a four-way switching valve is provided.
(13), the first three-way valve (64) and the second three-way valve (65) are both set on the broken line side in the figure. In the solution circuit (39), the concentrated solution flows out of the regenerator (33), merges with the refrigerant vapor flowing through the low-pressure refrigerant vapor pipe (67), and then flows into the absorber (34a). The concentrated solution is cooled in the absorber (34a), absorbs the refrigerant vapor and becomes a dilute solution and flows out of the absorber (34a).
Flows into. Thus, in the solution circuit (39),
The absorbing solution circulates.

On the other hand, from the regenerator (33), a high-pressure refrigerant vapor pipe (66)
The refrigerant vapor that has flowed out to is condensed in the air heat exchanger (14) and the auxiliary heat exchanger (19), decompressed by the expansion valve (15), evaporated in the moisture absorbent heat exchanger (16), It flows into the solution circuit (39) through the steam pipe (67).

In the moisture absorbing solution circuit (11a), the pump (2
The heat-absorbing solution having a relatively low temperature and a low concentration flowing out of the heat recovery heat exchanger (22) is supplied to the outward heat exchanger (22A) of the heat recovery heat exchanger (22) and the auxiliary heat exchanger (1).
It is heated in 9) and the heating heat exchanger (28) to become a high-temperature and low-concentration moisture-absorbing solution, and water is released in the water exchanger (23) to be in a high-temperature and high-concentration state. The moisture absorbing solution is supplied to the return heat exchanger (22B) of the heat recovery heat exchanger (22) and the moisture absorbing heat exchanger.
It is cooled in (16) to become a low-temperature and high-concentration moisture-absorbing solution, and indoor air is cooled and dehumidified by the hot-water moisture exchangers (24), (24),. The moisture-absorbing solution flowing out of the heat-moisture exchangers (24), (24),
It is sucked into the pump (20) and repeats the above circulation again.

(Heating Heating Operation) In the heating heating operation, the four-way switching valve (13), the first three-way valve (64) and the second three-way valve (6
5) are both set on the solid line side in the figure. Solution circuit (39)
In, the concentrated solution from the regenerator (33) and the refrigerant vapor from the low-pressure refrigerant vapor pipe (67) merge and flow into the hygroscopic liquid heating absorber (69). In the moisture absorbing liquid heat absorber (69), the concentrated solution and the refrigerant vapor are cooled by the moisture absorbing solution, and the concentrated solution absorbs the refrigerant vapor to become a dilute solution. Dilute solution is a hygroscopic liquid heating absorber (69)
After having flowed out, is transported to the regenerator (33).

The refrigerant vapor flowing from the regenerator (33) into the high-pressure refrigerant vapor pipe (66) is condensed in the moisture-absorbing liquid heat exchanger (16), and is expanded.
The pressure is reduced in (15) and the air heat exchanger (14) and the auxiliary heat exchanger (1
After evaporating in 9), the solution circuit is passed through the low-pressure refrigerant vapor pipe (67).
(39).

In the moisture absorbing solution circuit (11a), the pump (2
The slightly absorbed high-temperature hygroscopic solution flowing out of (0) is cooled by the outward heat exchanger (22A) and the auxiliary heat exchanger (19) of the heat recovery heat exchanger (22), and the low-temperature and high-density hygroscopic solution is cooled. Into a solution,
The moisture is absorbed by the moisture exchanger (23), and the state becomes low temperature and low concentration. The hygroscopic solution is heated by the return heat exchanger (22B) of the heat recovery heat exchanger (22), the hygroscopic liquid heating absorber (69) and the hygroscopic liquid heat exchanger (16) to obtain a high-temperature and low-concentration hygroscopic liquid. It turns into a solution, and the indoor air is heated and humidified by the heat and moisture exchangers (24), (24),. The hygroscopic solution that has flowed out of the heat-moisture exchangers (24), (24), is sucked into the pump (20) and repeats the above-described circulation again.

-Effects of Air Conditioner (5)-According to the present air conditioner (5), the same effects as in the fourth embodiment can be obtained. Further, since the water pipe (55) for supplying water and the water supply water exchanger (50) are not required, the configuration of the system can be simplified.

<Other Embodiments> Each of the above embodiments 1 to
In 5, the moisture absorbing solution circulating in the moisture absorbing solution circuits (11) and (11a) may be a mixed solution of the moisture absorbing solution and a microcapsule-shaped latent heat storage material. By doing so, the heat transfer capacity of the moisture absorbing solution circuits (11) and (11a) can be improved by the latent heat of the latent heat storage material. Therefore, the COP can be improved.

The absorption refrigerator (32) is not limited to the water-lithium bromide system, but may use other refrigerants and solutions.

The heat source is GHP or absorption refrigerator (32).
The present invention is not limited to this, and may be another heat source that can use waste heat, or another heat-driven heat source (for example, an adsorption refrigerator).

[0118]

As described above, according to the first aspect of the present invention, the first object to be harmonized in the heat-moisture exchange means (24).
Since the temperature and humidity of the air are simultaneously controlled, it is not necessary to separately provide a piping system for temperature control and a piping system for humidity control, and the configuration of the system can be simplified. Also,
Since the temperature and humidity of the first air are adjusted using the moisture absorbing solution, the temperature of the moisture absorbing solution does not necessarily need to be lower than the dew point of the air during the cooling and dehumidifying operation. Therefore, the efficiency of the device can be improved. Further, by adjusting the temperature and the concentration of the moisture absorbing solution, the temperature control and humidity control of the air can be executed independently, so that the controllability of temperature control and humidity control can be improved.

According to the second aspect of the present invention, during the cooling and dehumidifying operation, the moisture absorbing solution flowing into the moisture exchanging means (23) is heated by the combustion gas. You can do much. Therefore, the amount of moisture that can be dehumidified can be increased, and the control range of humidity control can be expanded.

According to the third aspect of the invention, the combustion gas of the gas engine can be effectively used, and the COP of the system using the gas heat pump as a heat source can be improved.

According to the fourth aspect of the present invention, the combustion gas of the combustion means can be effectively used, and the COP of a system using an absorption refrigerator or an adsorption refrigerator as a heat source can be improved. .

According to the fifth aspect of the present invention, since the temperature and humidity of the first air are simultaneously controlled in the heat-moisture exchange means (24), the temperature control piping system and the humidity control piping are provided. There is no need to provide a separate system, and the configuration of the system can be simplified. In addition, since the temperature and humidity of the first air are adjusted using the moisture absorbing solution, the temperature of the moisture absorbing solution does not necessarily need to be lower than the dew point of the air during the cooling and dehumidifying operation. Therefore, the efficiency of the device can be improved.
In addition, by adjusting the temperature and the concentration of the moisture absorbing solution, the temperature control and humidity control of the first air can be performed independently, so that the controllability of temperature control and humidity control can be improved. Further, since the combustion gas of the heat source can be effectively used, the COP can be improved.

According to the invention of claim 6, an absorption refrigerator or an adsorption refrigerator can be used as a heat source, and the effect of improving COP can be more remarkably exhibited.

According to the seventh aspect of the invention, the heat of condensation, heat of absorption or heat of adsorption of the heat source can be used for heating the moisture-absorbing solution via the heat medium, so that the control range of the humidity control is further expanded. be able to.

According to the eighth aspect of the present invention, the heat of condensation, heat of absorption or heat of adsorption of the heat source can be directly used for heating the moisture-absorbing solution. Can be expanded.

According to the ninth aspect of the present invention, since the heat transfer ability of the moisture absorbing solution is increased, the COP can be further improved.

[Brief description of the drawings]

FIG. 1 is a circuit diagram of an air conditioner according to Embodiment 1.

FIG. 2 is a state diagram of a hygroscopic solution in a cooling and dehumidifying operation.

FIG. 3 is a state diagram of a moisture absorbing solution in a heating and humidifying operation.

FIG. 4 is a circuit diagram of an air conditioner according to Embodiment 2.

FIG. 5 is a circuit diagram of an air conditioner according to Embodiment 3.

FIG. 6 is a circuit diagram of an air conditioner according to a fourth embodiment.

FIG. 7 is a circuit diagram of an air conditioner according to a fifth embodiment.

FIG. 8 is a configuration diagram of a conventional air conditioner.

[Explanation of symbols]

 (10) Refrigerant circuit (11) Hygroscopic solution circuit (12) Compressor (14) Air heat exchanger (15) Expansion valve (16) Hygroscopic liquid heat exchanger (19) Auxiliary heat exchanger (20) Pump (21) Flow control valve (22) Heat recovery heat exchanger (23) Moisture exchange means (24) Heat moisture exchange means

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Yuji Watanabe 1304 Kanaokacho, Sakai-shi, Osaka Daikin Industries Inside Kanaoka Plant of Sakai Seisakusho Co., Ltd. (72) Kazuo Yonemoto 1304 Kanaokacho, Sakai-shi, Osaka Daikin Industries Sakai Plant Kanaoka Factory

Claims (9)

[Claims] 1. A heat source (10, 63) driven by combustion energy to generate hot and cold heat, and a hygroscopic solution circuit for circulating a hygroscopic solution for transporting heat and moisture.
(11, 11a) for performing temperature control and humidity control, wherein the moisture-absorbing solution circuit (11, 11a) includes a moisture-permeable membrane, and the first moisture-absorbing solution is conditioned with the moisture-absorbing solution. Heat and moisture exchange means (24) for exchanging heat between the first air and the moisture-absorbing solution through the moisture-permeable membrane, The moisture-absorbing solution flowing out of the water exchange means (24) is
An auxiliary heat exchanger (19) for heating or cooling by the hot or cold heat of (10, 63), and an auxiliary heat exchanger (19) including a moisture permeable membrane,
Moisture exchanging means (23) for exchanging moisture between the moisture-absorbing solution flowing out from the second air and the moisture-absorbing solution flowing out of the moisture exchanging means (23).
0,63), provided with a moisture-absorbing liquid heat exchanger (16) for cooling or heating by cold or hot heat and supplying the hot-moisture exchange means (24). 2. The air conditioner according to claim 1, wherein the heat source comprises a heat source (10, 63) for generating high-temperature combustion gas, and the auxiliary heat exchanger (19) of the moisture absorbing solution circuit (11, 11a). ) And a moisture exchange means (23), a heating heat exchanger (28) for heating the hygroscopic solution by the combustion gas is provided. 3. The air conditioner according to claim 2, wherein the heat source is a gas engine that generates high-temperature combustion gas.
An air conditioner comprising a gas heat pump (10) provided with: 4. The air conditioner according to claim 2, wherein the heat source is constituted by an absorption heat pump (63) or an adsorption heat pump provided with combustion means (45) for generating high-temperature combustion gas. An air conditioner characterized by the following. 5. A heat source (32) driven by combustion energy to generate hot and cold heat and generate high-temperature combustion gas, and a hygroscopic solution circuit for circulating a hygroscopic solution for transporting heat and moisture.
(11) and a water circuit (70) through which make-up water of the hygroscopic solution flows, the air conditioner performing temperature control and humidity control, wherein the water circuit (70) includes the heat source (32) A water supply heating heat exchanger (47) for heating the makeup water with the combustion gas is provided, while the moisture absorbing solution circuit (11) is provided with a moisture permeable membrane, and the moisture absorbing solution and the first air to be harmonized with the moisture absorbing solution. Heat and moisture exchange means (24) for performing heat exchange between the moisture absorbing solution and the first air via the moisture permeable membrane, and A regeneration heating heat exchanger (48) for heating the hygroscopic solution flowing out of the hot water exchange means (24) by the combustion gas, and a moisture permeable membrane, and the regeneration heating heat exchanger ( 48) a moisture exchange means (23) for moving moisture from the hygroscopic solution flowing out to the second air through the moisture permeable membrane, and the moisture exchange means during the cooling and dehumidifying operation. A cooling heat exchanger (51) for cooling the moisture-absorbing solution flowing out of the step (23) with the cold heat of the heat source (32) and supplying it to the hot-moisture exchange means (24); During operation, water is transferred from the water flowing out of the water supply heating heat exchanger (47) of the water circuit (70) to the hygroscopic solution flowing out of the hot water / moisture exchange means (24) through the moisture permeable membrane. A water-exchange means for water supply (50) to be heated, and a moisture-absorbing solution flowing out of the water-exchange means for water supply during heating and humidification operation, is heated by the combustion gas of the heat source (32), and the hot-water exchange means (24) is heated. )), And a heat exchanger for heating a hygroscopic liquid to be supplied to the air conditioner (46). 6. The air conditioner according to claim 5, wherein the heat source comprises an absorption refrigerator or an absorption refrigerator equipped with combustion means for generating high-temperature combustion gas. The air conditioner, wherein the heat exchanger (51) is provided in the evaporator (35) of the refrigerator (32). 7. The air conditioner according to claim 6, wherein a heat medium for circulating a heat medium for recovering heat of condensation, heat of absorption or heat of adsorption of the absorption refrigerator (32) or the adsorption refrigerator.
1) and an auxiliary regeneration heat exchanger (58) for heating the moisture-absorbing solution supplied to the moisture exchange means (23) during the cooling and dehumidifying operation by the heat medium.
An air conditioner comprising: 8. The air conditioner according to claim 6, wherein the moisture-absorbing solution supplied to the moisture exchanging means (23) during the cooling and dehumidifying operation is condensed by the absorption refrigerator (32) or the absorption refrigerator. Auxiliary heating heat exchanger for heating by heat or adsorption heat (62)
An air conditioner comprising: 9. The air conditioner according to claim 1, wherein a microcapsule-like latent heat storage material is mixed in the moisture absorbing solution.