JPH10170093A - Adsorption refrigeration equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To improve the cooling capacity by satisfactorily cooling a heat exchange fluid flowing to an indoor heat exchanger. SOLUTION: A first adsorption core 1, a first condenser 3, and a first evaporator 5 are accommodated in a first closed container 7, and a second adsorption core 2, a second condenser 4, a second condenser 4, The evaporator 6 and the second closed container 8 are housed. When switching between adsorption and desorption of the adsorption cores 1 and 2, immediately before the switching, the cooled heat exchange fluid remaining in one of the condensers 3 and 4 is transferred to the other heated condensers 3 and 4 immediately after the switching. Move. As a result, the heat exchange fluid flowing through the evaporators 5 and 6, that is, the indoor heat exchanger 15
The amount of heat released to the heat exchange fluid flowing to the evaporators 5 and 6 can be reduced, and more heat can be taken from the heat exchange fluid flowing through the evaporators 5 and 6 as latent heat of evaporation. Therefore, the heat exchange fluid can be efficiently cooled, and the cooling capacity of the adsorption refrigeration apparatus can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adsorption refrigerating apparatus utilizing adsorption and desorption of a refrigerant such as water by an adsorbent.

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Publication No. 1-126811 discloses a first suction core 1 and a first suction core 1 as shown in FIG.
An adsorption refrigerating apparatus 100 in which a condensing evaporator 35 is accommodated in a closed container 7 and a second adsorption core 2 and a second condensing evaporator 46 are accommodated in a closed container 8 has been proposed. And
A first step in which the first adsorption core 1 adsorbs the refrigerant, a first step in which the second adsorption core 2 performs the desorption step, a second step in which the first adsorption core 1 performs the desorption step, and the second adsorption core 2 performs the adsorption step Are alternately switched at predetermined time intervals.

For example, when performing the first step, the first step
A heat exchange fluid of about 90 ° C. is supplied to the adsorption core 1 and a heat exchange fluid of about 30 ° C. is supplied to the second adsorption core 2, and at the same time, heat of about 30 ° C. is supplied to the first and second condensation evaporators 35 and 46. Supply exchange fluid. Thereby, the first adsorption core 1 desorbs the refrigerant, and the refrigerant is condensed in the first condensation evaporator 35.

Further, since the second adsorption core 2 adsorbs the refrigerant, the evaporation of the liquid refrigerant in the second condensation evaporator 46 is promoted. Therefore, the heat exchange fluid passing through the second condensing evaporator 46 is deprived of the heat of evaporation by this evaporation and cooled to about 8 ° C. In addition, the condensation evaporator 3 which works as an evaporator
The heat exchange fluid is circulated between the indoor heat exchangers 5 and 46, and the heat exchange fluid cooled by the condensing evaporators 35 and 46 is heat-exchanged by the indoor heat exchanger to be indoors. Has cooled.

[0005]

By the way, when performing the first step, the first condensation evaporator 35 itself (fluid piping and fins) acting as a condenser is also about the temperature of the heat exchange fluid (for example, 40 ° C.). About). When switching from the first process to the second process, that is, when the first condensing evaporator 35 is operated as an evaporator, the heat of the first condensing evaporator 35 itself is taken as latent heat of evaporation during the evaporation of the refrigerant. Or is released to a cold (eg, about 20 ° C.) heat exchange fluid supplied from the indoor heat exchanger.

Therefore, the heat exchange fluid flowing through the first condensing evaporator 35 is not cooled well, and a cold heat exchange fluid cannot be supplied to the indoor heat exchanger. was there. Note that a similar problem occurs in the second condensation evaporator 46 when switching from the second step to the first step. The present invention has been made in view of the above problems, and has as its object to improve the cooling capacity by favorably cooling a heat exchange fluid flowing to an indoor heat exchanger.

[0007]

In order to achieve the above object, according to the first to third aspects of the present invention, a first adsorption core (1), a first condenser (3), and a first evaporator are provided. (5)
Are separately housed in one first closed container (7), and the second adsorption core (2), the second condenser (4), and
The second evaporators (6) are separately housed in one second closed container (8). Then, when the first and second adsorption cores (1, 2) desorb the refrigerant, the first heat exchange fluid flows through the first and second condensers (3, 4) to take heat of condensation due to the condensation of the refrigerant. When the first and second adsorption cores (1, 2) adsorb the refrigerant, the second heat exchange fluid flows through the first and second evaporators (5, 6), and the heat of evaporation due to the evaporation of the refrigerant is deprived. When the adsorption cores (1, 2) adsorb the refrigerant, the condensers (3, 2)
In 4), the first heat exchange fluid stays.

The second heat exchange fluid flowing through the first and second evaporators (5, 6) flows to an indoor heat exchanger (15) that exchanges heat with room air to cool the room. When switching between adsorption and desorption of the refrigerant by the adsorption cores (1, 2), the condenser (3,
The first heat exchange fluid retained in one of the condensers (4) is moved to the other of the condensers (3, 4) immediately after the switching, and then the first heat exchange fluid is transferred to the other condenser (3, 4). The heat exchange fluid is retained, and the first heat exchange fluid is caused to flow through one of the condensers (3, 4).

According to such a configuration, for example, when the first adsorption core (1) adsorbs the refrigerant and the second adsorption core (2) desorbs the refrigerant, the refrigerant in the first adsorption core (1) is removed. Since the first evaporator (5) evaporates the refrigerant by the adsorption, the second heat exchange fluid flowing through the first evaporator (5) is cooled, and the first condenser (3) itself and the first condenser (3) are cooled. The first heat exchange fluid remaining in the condenser (3) is also cooled. In addition, since the second condenser (4) condenses the refrigerant by desorbing the refrigerant in the second adsorption core (2), the first heat exchange fluid flowing through the second condenser (4) is heated, and
The second condenser (4) itself and the second evaporator (6) themselves are also heated.

From this state, when the first adsorption core (1) desorbs the refrigerant and the second adsorption core (2) switches to adsorb the refrigerant, immediately after this switching, the first condenser (3) is connected to the first condenser (3). Since the retained cooled first heat exchange fluid is flowing to the heated second condenser (4), the second condenser (4) itself is cooled by the cooled first heat exchange fluid. You.

Here, in the prior art in which the condenser and the evaporator are provided integrally, the heat of the condenser itself and the heat of the evaporator itself are released to the heat exchange fluid flowing to the indoor heat exchanger. However, in the present invention, as described above, the condensers (3, 4)
And the evaporator (5, 6) are provided separately and the above-described operation is performed, so that the heat of the second condenser (4) itself stays in the first condenser (3). It can be released to the cooled first heat exchange fluid.

As a result, the heat released to the second heat exchange fluid flowing through the second evaporator (6), that is, the second heat exchange fluid flowing to the indoor heat exchanger (15) can be reduced. Heating of the heat exchange fluid can be suppressed. More heat can be taken from the heat exchange fluid flowing through the second evaporator (6) as latent heat of evaporation. With the above, the heat exchange fluid flowing through the second evaporator (6) can be efficiently cooled, and the cooling capacity of the adsorption refrigeration apparatus can be improved.

From the state where the first adsorption core (1) desorbs the refrigerant and the second adsorption core (2) adsorbs the refrigerant, the first adsorption core (1) adsorbs the refrigerant and the second adsorption core (1) adsorbs the refrigerant. (2)
When the state is switched to the state of desorbing the refrigerant, the same effect as the above-described effect can be obtained. In the second aspect of the present invention, the condensers (3, 4) are arranged so as to be exposed from the liquid refrigerant (L) inside the closed containers (7, 8), and are immersed in the liquid refrigerant (L). The evaporators (5, 6) are arranged at the bottom. For this reason, condensation of the refrigerant in the condensers (3, 4),
Further, the refrigerant is more efficiently evaporated in the evaporators (5, 6), and the cooling capacity of the adsorption refrigeration apparatus can be further improved.

According to the third aspect of the invention, immediately before the switching, the second heat exchange fluid flowing through one of the first and second evaporators (5, 6) is supplied to the room immediately after the switching. After moving to the heat exchanger (15), the other evaporator (5,
The second heat exchange fluid flowing through the indoor heat exchanger (15) flows through the indoor heat exchanger (15). Therefore, when the first adsorption core (1) adsorbs the refrigerant, the first evaporator (5) evaporates the refrigerant, so that the second evaporator (5) flows through the first evaporator (5).
Since the heat exchange fluid is cooled and the refrigerant is desorbed in the second adsorption core (2), the second condenser (4) condenses the refrigerant, and thereby the second condenser (4) stays in the second evaporator (6). 2 The heat exchange fluid is being heated. And the first suction core (1)
Desorbs the refrigerant and switches the second adsorption core (2) to adsorb the refrigerant. Immediately after the switching, the second heat exchange fluid flowing through the second evaporator (6) is transferred to the indoor heat exchanger (15).
In this case, since the heated second heat exchange fluid flows to the indoor heat exchanger (15), the cooling capacity is reduced accordingly. On the other hand, by flowing the second heat exchange fluid cooled in the first evaporator (5) to the indoor heat exchanger (15) immediately after the switching, the cooling capacity can be improved by that much.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention. (First Embodiment) As shown in FIG. 1, an adsorption refrigerating apparatus 100 of the present embodiment includes first and second adsorption cores 1 and 2 each having a large number of adsorbents, and a first refrigerant for condensing gas refrigerant. , Second condensers 3 and 4 and first and second evaporators 5 and 6 for evaporating the liquid refrigerant. Here, as the refrigerant, for example, water or alcohol is used. Also, the adsorbent
In the cooling state, gas refrigerant is adsorbed with high capacity, and with this adsorption, the adsorption capacity gradually decreases.However, by being heated, the adsorbed gas refrigerant is desorbed and the adsorption capacity is regenerated. have.

Each of the first and second adsorption cores 1 and 2 includes a fluid pipe through which a heat exchange fluid to be described later flows, heat transfer fins provided near the fluid pipe, and the large number of adsorbents. Each of the first and second condensers 3 and 4 and the first and second evaporators 5 and 6 includes a fluid pipe through which a heat exchange fluid described later flows, and a heat transfer fin provided near the fluid pipe.

Then, the first adsorption core 1, the first condenser 3,
And the first evaporator 5 is arranged in this order from above,
It is housed in one first closed container 7. Similarly, the second adsorption core 2, the second condenser 4, and the second evaporator 6
Are arranged in this order from above, and one second closed container 8
Housed within. Then, a first step in which the first adsorption core 1 adsorbs the refrigerant, a first step in which the second adsorption core 2 performs the desorption step, a first step in which the first adsorption core 1 performs the desorption step, and a second step in which the second adsorption core 2 performs the adsorption step. The two processes are alternately performed every predetermined time T1 (for example, 100 seconds). In addition, the first and second condensers 3 and 4 are composed of first and second condensers.
Only when the adsorption core 1 is performing the desorption process, the refrigerant is condensed, and the first and second evaporators 5 and 6 operate when the first and second adsorption cores 1 are performing the adsorption process. Only evaporate the refrigerant.

Here, the liquid refrigerant L always exists in the bottom inside the first and second closed containers 7 and 8. Note that the first and second condensers 3 and 4 are always disposed above the liquid level of the liquid refrigerant L and are exposed from the liquid refrigerant L, and the first and second evaporators 5 and 6 are always disposed of the liquid refrigerant L. It is arranged below the liquid level of L and is immersed in the liquid refrigerant L. Then, the outdoor heat exchanger 9, the four-way switching valve 10, the first and second adsorption cores 1, 2, the four-way switching valve 11, the electric pump 12, and the outdoor heat exchanger 9 are connected in series in this order. The exchange fluid flows. This heat exchange fluid is made of, for example, an antifreeze, and absorbs and emits heat at each part. In addition, the outdoor heat exchanger 9, the four-way switching valve 13, the first and second condensers 3, 4, the four-way switching valve 14, the electric pump 12, and the outdoor heat exchanger 9 are connected in series in this order, and heat in this order. The exchange fluid flows.

The first condenser 3, the four-way switching valve 14, the four-way switching valve 13, and the second condenser 4 are connected in series in this order, and the heat exchange fluid flows in this order. In addition, the second condenser 4, the four-way switching valve 14, the four-way switching valve 13,
The first condensers 3 are also connected in series in this order, and the heat exchange fluid flows in this order. Further, the indoor heat exchanger 15, the electric pump 16, the three-way switching valve 17, the first and the second
The evaporators 5, 6, the three-way switching valve 18, and the indoor heat exchanger 15
The heat exchange fluid is connected in series in this order, and the heat exchange fluid flows in this order. An engine (not shown), a pump (not shown), first and second adsorption cores 1 and 2, and the engine are connected in series in this order, and the heat exchange fluid flows in this order. The outdoor heat exchanger 9 and the indoor heat exchanger 15 each include a fluid pipe through which a heat exchange fluid described later flows, and heat transfer fins provided near the fluid pipe.

Hereinafter, the adsorption-type refrigeration system 100 having the above configuration will be described.
The operation of will be described. First, a first process in which the first adsorption core 1 adsorbs the gas refrigerant and the second adsorption core 2 desorbs the gas refrigerant will be described. In this case, the four-way switching valves 10, 1
The turning positions of the 1, 13, 14 and the three-way switching valves 17, 18 are set as shown by solid lines in FIG.
State A). In addition, the heat exchange fluid flows as indicated by the arrow in FIG. 1 at the portion indicated by the thick line in FIG. 1, and the flow of the heat exchange fluid stops at the portion indicated by the thin line in FIG. Staying.

More specifically, the heat exchange fluid (heating fluid for heating the adsorption core) heated by the engine is supplied to the second adsorption core 2 through the valve 10, so that the adsorption of the second adsorption core 2 is performed. The agent is heated to desorb the refrigerant. In the second adsorption core 2, the heat exchange fluid deprived of heat of desorption due to desorption of the refrigerant returns to the engine via the valve 11 and is heated. Further, the heat exchange fluid radiated to the outdoor air in the outdoor heat exchanger 9 is supplied to the second condenser 4 through the valve 13 so that the desorbed refrigerant is condensed in the second condenser 4. I do. In the second condenser 4, the heat exchange fluid that has taken the heat of condensation due to the condensation of the refrigerant returns to the outdoor heat exchanger 9 via the valve 14 and radiates heat.

The heat exchange fluid (cooling fluid for cooling the adsorption core) from the outdoor heat exchanger 9 passes through the valve 10 to the first heat exchange fluid.
By being supplied to the adsorption core 1, the adsorbent of the first adsorption core 1 is cooled to adsorb the refrigerant. In the first adsorption core 1, the heat exchange fluid that has lost the heat of adsorption due to the adsorption of the refrigerant returns to the outdoor heat exchanger 9 via the valve 11. At this time, the pressure in the closed vessel 7 decreases due to the adsorption of the refrigerant, and the liquid refrigerant evaporates in the first evaporator 5, so that the heat exchange fluid flowing through the first evaporator 5 is deprived of evaporation heat by evaporation. Cooled. Then, the cooled heat exchange fluid is supplied to the indoor heat exchanger 15 via the valve 18,
The indoor air near the indoor heat exchanger 15 is cooled.

Here, the speed of the heat exchange fluid flowing through the second adsorption core 2 on the desorption side is set to be higher than the speed of the heat exchange fluid flowing through the first adsorption core 1 on the adsorption side. When switching from the first process to the second process, the second
The suction core 2 is set in a state in which it cannot be desorbed any more (desorption completed state), and the first suction core 1 on the suction side is set in a state in which it can be slightly adsorbed.

Immediately before the end of the first process (just before switching from the first process to the second process), the first adsorption core 1
The inlet temperature of the heat exchange fluid flowing through the first evaporator 5 is, for example, 35 ° C., the outlet temperature is, for example, 45 ° C., the inlet temperature of the heat exchange fluid flowing through the first evaporator 5 is, for example, 25 ° C., and the outlet temperature is, for example, 10 ° C.
° C. Then, the heat exchange fluid retained in the first condenser 3 is deprived of the evaporation heat and cooled to, for example, about 15 ° C.

The inlet temperature and the outlet temperature of the heat exchange fluid flowing through the second adsorption core 2 (in the desorption state) are, for example, 9
0 ° C., and the inlet and outlet temperatures of the heat exchange fluid flowing through the second condenser 4 are, for example, 35 ° C. The heat exchange fluid retained in the second evaporator 6 is heated to, for example, about 25 ° C. by removing the heat of condensation. The inlet temperature of the outdoor heat exchanger 9 is, for example, 40 ° C., the outlet temperature is, for example, 35 ° C., and the inlet temperature of the indoor heat exchanger 15 is, for example, 1 °.
The outlet temperature is, for example, 25 ° C. Here, first,
The temperatures of the second adsorption cores 1 and 2, the condensers 3 and 4, the evaporators 5 and 6, the outdoor heat exchanger 9, and the indoor heat exchanger 15 themselves are also substantially the same as the temperature of the heat exchange fluid. I have.

When switching from the first process to the second process, first, the rotational position of the four-way switching valve 14 is kept as it is, and the other switching valves 10, 11, 13, 17, 1
8 is switched to the position indicated by the dotted line in FIG. 1 (state A in the second step). Switching valve 1 in this state A
The rotational positions of 0, 11, 13, 14, 17, and 18 are indicated by solid lines in FIG. As a result, the heat exchange fluid from the outdoor heat exchanger 9 is supplied to the first condenser 3 via the valve 13 and stayed (cooled) in the first condenser 4 in the first process. Fluid is forced out and the second through valves 14 and 13
It is supplied to the condenser 4. Thereby, the second condenser 4 is cooled. Then, after switching to the state A, after a predetermined time T2 (for example, 3 seconds) shorter than the predetermined time T1, specifically, the heat exchange fluid that has accumulated in the first condenser 4 in the first process is removed. After all of them are supplied to the second condenser 4, the rotation position of the four-way switching valve 14 is switched to the position shown by the dotted line in FIG. 2 (state B of the second process).

From state A to state B, the heat exchange fluid from the engine flows through the first adsorption core 1, the first adsorption core 1 desorbs the refrigerant, and the heat exchange fluid from the outdoor heat exchanger 9 flows. After flowing through the first condenser 3, the first condenser 3 condenses the refrigerant. The heat exchange fluid from the outdoor heat exchanger 9
Flowing through the adsorption core 2, the second adsorption core 2 adsorbs the refrigerant,
The heat exchange fluid from the indoor heat exchanger 15 flows through the second evaporator 6, and the second evaporator 6 evaporates the refrigerant. State B
After the switching to, the heat exchange fluid stays in the second condenser 4, and the heat exchange fluid is cooled by depriving the heat of evaporation by the evaporation of the refrigerant in the second evaporator 6.

As described above, the heat exchange fluid cooled in the first condenser 3 in the first step is supplied to the second condenser 4 immediately after switching from the first step to the second step. The heat of the second condenser 4 itself can be released to the cooled heat exchange fluid. As a result, heat released to the heat exchange fluid flowing through the second evaporator 6, that is, the heat exchange fluid flowing to the indoor heat exchange 15, can be reduced, and the heat exchange fluid can be suppressed from being heated. More heat can be taken from the heat exchange fluid flowing through the second evaporator 6 as latent heat of evaporation. As described above, the heat exchange fluid flowing through the second evaporator 6 can be efficiently cooled, and the cooling capacity of the adsorption refrigeration apparatus can be improved. In addition, when switching from the second process to the first process, the same effects as those described above can be obtained.

Here, in the conventional condensation evaporators 35 and 46 shown in FIG. 4, in order to efficiently condense and evaporate the refrigerant, a portion to be immersed in the liquid refrigerant and a portion to be exposed from the liquid refrigerant are secured. The condensing evaporators 35 and 46 were large. On the other hand, the first and second condensers 3, 4
Are exposed from the liquid refrigerant L, and the first and second evaporators 5 and 6 are immersed in the liquid refrigerant L. Therefore, the condensers 3 and 4 and the evaporators 5 and 6 are connected to the conventional condenser evaporators 35 and 46. Smaller than half the size. For this reason, the heat of the second condenser 4 itself is about half that of the conventional condenser evaporators 35 and 46.

The first and second condensers 3 and 4 are exposed from the liquid refrigerant L, and the first and second evaporators 5 and 6 are immersed in the liquid refrigerant L. The first and second condensers 3 and 4 are efficiently operated, and the refrigerant is efficiently evaporated in the first and second evaporators 5 and 6. Therefore, for example, the temperature of the first evaporator 5 (evaporator in which the heat exchange fluid stays) immediately after switching to the second process is about 10 ° C. due to the evaporation of the refrigerant before the switching (first process). As the time elapses, the refrigerant is heated by the condensation of the refrigerant in the first condenser 3, but the speed at which the second evaporator 6 itself is heated is lower than the speed at which the second condenser 4 itself is heated. Therefore, in the present embodiment, even when the second step is completed, the first condenser 3 is not completely heated to the temperature (for example, 35 ° C.), but becomes about 25 ° C., for example.

As a result, the heat of the first evaporator 5 itself is
The heat exchange fluid flowing through the first evaporator 5 can be cooled more efficiently when the process is switched from the first process to the second process, being smaller than the condensing evaporator of the related art. In addition, the adsorption-type refrigeration apparatus 100 of the present embodiment corresponds to the first and second adsorption cores 1 and 2, and the first and second condensers 3, 4, and
First and second evaporators 5 and 6 are provided. Therefore, the first
When switching between the process and the second process, there is no need to switch the flow path of the refrigerant, and no switching means (for example, a switching valve or the like) for switching the flow path is required.
It is cheap.

(Second Embodiment) In the first embodiment, the first and second evaporators 3 and 4 and the indoor heat exchanger 15 are connected in series via three-way switching valves 17 and 18. However, in the present embodiment shown in FIG. 3, the first and second evaporators 3,
4 and the indoor heat exchanger 15 by the four-way switching valves 17a, 18
a in series. The configuration other than that shown in FIG. 3 is the same as that in FIGS. 1 and 2 and is not shown in FIG.

Then, the first adsorption core 1 adsorbs the refrigerant,
In the first process in which the second adsorption core 2 desorbs the refrigerant, the rotational positions of the four-way switching valves 17a and 18a are set to the positions shown by solid lines in FIG. The heat exchange fluid circulates therebetween, and the heat exchange fluid stays in the fluid passage formed by the switching valve 17a, the second evaporator 6, and the four-way switching valve 18a.

Immediately after switching from the first process to the second process, the rotational position of the four-way switching valve 18a (the switching valve on the outlet side of the evaporators 5, 6) is kept as it is, and the four-way switching valve 17a ( The rotation position of the switching valves on the inlet side of the second evaporators 5, 6 is switched to the position shown by the dotted line in FIG. Thus, the heat exchange fluid flowing through the second evaporator 6 that has been cooled by the evaporating action of the refrigerant immediately before switching is still supplied to the indoor heat exchanger 15 immediately after switching. After a lapse of a predetermined time T3 (for example, 3 seconds) from the switching, specifically, after all of the cooled heat exchange fluid is supplied to the indoor heat exchanger 15, the four-way switching valve 1
The rotation position of 8a is switched to the position shown by the dotted line in FIG.

As a result, the cooling capacity of the indoor heat exchanger 15 can be improved by the amount of the cooled heat exchange fluid. (Other Embodiments) The flow of the heat exchange fluid in the adsorption refrigeration apparatus described in the above embodiment is not limited.
Various other flowing methods may be used. For example, the heat exchange fluid may flow from the left side to the right side of the adsorption cores 1 and 2 in FIG.

Further, the adsorption cores 1 and 2, the condensers 3 and 4, and the evaporators 5 and 6 may be arranged in a shape divided into a plurality of stages inside one closed vessel 7, 8. In this case, the flow directions of the heat exchange fluids of the adsorption cores 1 and 2 and the condensers 3 and 4 and the evaporators 5 and 6 may be opposed to each other.
Specifically, a heat exchange fluid flows through the adsorption cores 1 and 2 from, for example, right to left in FIG. 1, and the condensers 3 and 4 and the evaporators 5 and 6 transmit heat from, for example, left to right in FIG. Pour the exchange fluid. Thereby, adsorption and desorption of the refrigerant in the adsorption cores 1 and 2, condensation of the refrigerant in the condensers 3 and 4, and evaporation of the refrigerant in the evaporators 5 and 6 are more effectively performed.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of an adsorption refrigerating apparatus that performs a first step in a first embodiment of the present invention.

FIG. 2 is an overall configuration diagram of an adsorption refrigeration apparatus immediately after switching from a first process to a second process in the first embodiment of the present invention.

FIG. 3 is a diagram showing a flow of a heat exchange fluid between an evaporator and an indoor heat exchanger in a second embodiment of the present invention.

FIG. 4 is a partial configuration diagram of an adsorption refrigeration apparatus according to the related art.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... 1st adsorption core, 2 ... 2nd adsorption core, 3 ... 1st condenser, 4 ... 2nd condenser, 5 ... 1st evaporator, 6 ... 2nd evaporator, 7 ... 1st closed container, 8 ... Second closed container.

Claims (3)

[Claims] 1. A first adsorption core (1) for alternately adsorbing and desorbing a refrigerant, a first condenser (3) for condensing the refrigerant when the first adsorption core (1) desorbs the refrigerant, The first
A first evaporator (5) for evaporating the refrigerant when the adsorption core (1) adsorbs the refrigerant is housed separately in one first closed container (7); (1) desorbs the refrigerant when the refrigerant is adsorbed, the second adsorption core (2) that adsorbs the refrigerant when the first adsorption core (1) desorbs the refrigerant, and the second adsorption core (2). A second condenser (4) for condensing the refrigerant when desorbing the refrigerant and a second evaporator (6) for evaporating the refrigerant when the second adsorption core (2) adsorbs the refrigerant are separately provided. When the first and second adsorption cores (1, 2) desorb a refrigerant, the first and second adsorption cores (1, 2) receive the refrigerant in the first and second condensers (3, 4). The first heat exchange fluid flows to take away the heat of condensation due to the condensation of the refrigerant, and the first and second adsorption cores (1, 2) adsorb the refrigerant. In this case, the second heat exchange fluid flows through the first and second evaporators (5, 6) to take away the heat of evaporation due to the evaporation of the refrigerant. When adsorbing, the first heat exchange fluid stays in the condenser (3, 4), and the second heat exchange fluid flowing through the first and second evaporators (5, 6) Indoor heat exchanger that exchanges heat with indoor air (15)
When switching between adsorption and desorption of the refrigerant by the adsorption cores (1, 2), the refrigerant stays in one of the condensers (3, 4) immediately before this switching. Immediately after the switching, the first heat exchange fluid is moved to the other of the condensers (3, 4), and then the first heat exchange fluid is retained in the other condenser (3, 4). An adsorption-type refrigeration apparatus, wherein the first heat exchange fluid flows through one of the condensers (3, 4). 2. A liquid refrigerant (L) is accommodated in the bottom inside of the first and second closed containers (7, 8), and the first and second condensers (3, 4) are The first and second evaporators (5, 6) are arranged so as to be exposed from the liquid refrigerant (L), and are immersed in the liquid refrigerant (L). The adsorption refrigeration device according to claim 1. 3. When switching between adsorption and desorption of a refrigerant by the first and second adsorption cores (1, 2), one of the first and second evaporators (5, 6) is turned off immediately before this switching. Immediately after the switching, the flowing second heat exchange fluid is temporarily moved to the indoor heat exchanger (15), and then the second heat exchange fluid flowing through the other evaporator (5, 6) is transferred to the indoor heat exchanger (5, 6). The adsorption refrigeration system according to claim 1, wherein the refrigeration system flows into the heat exchanger.