JP6375286B2 - HEAT PUMP AND CRYSTAL GENERATION METHOD - Google Patents

Description

  The present invention relates to a heat pump and a cold heat generation method.

  Patent Document 1 discloses an adsorption type refrigerator having a plurality of adsorbers each having an adsorption core and an evaporative condensation core. In the adsorption type refrigerator of Patent Document 1, the first and second adsorbers and the third and fourth adsorbers alternately repeat the adsorption process and the desorption process in pairs. When the first and second adsorbers are in the adsorption process, the heat medium from the outdoor unit is circulated through the adsorption cores of the first and second adsorbers, and the third and fourth adsorbers are in the adsorption process. The heat medium from the outdoor unit is circulated through the adsorption cores of the third and fourth adsorbers.

Japanese Patent No. 4192385

As in Patent Document 1, when the heat transfer medium from the outdoor unit is circulated through the adsorption cores of a plurality of adsorbers, the cooled heat transfer in the case where the cooling capacity of the heat transfer medium by the outdoor unit is limited Media can be used effectively. However, the temperature of the heat transfer medium supplied to the adsorption core varies depending on the order of supply, and the temperature of the heat transfer medium supplied to the adsorber disposed downstream is increased, so that the refrigerant is adsorbed by the adsorbent. The amount that can be reduced. For this reason, it is difficult to use an adsorbent efficiently.

  The present invention has been made in consideration of the above facts, and in the limited ability to cool the heat transfer medium, the amount of coupling between the reaction material and the heat medium is increased, and the efficiency is improved. It is an object of the present invention to provide a heat pump capable of performing cold heat generation and a cold heat generation method.

The heat pump according to claim 1 is connected to an intermediate temperature heat source unit and a high temperature heat source unit, and a reaction heat exchange channel through which a fluid circulating between the intermediate temperature heat source unit or the high temperature heat source unit flows, and the reaction heat Heat exchange is performed by the exchange flow path, and is combined with a heat medium by heat exchange with the medium temperature fluid circulating between the medium temperature heat source unit and higher than the medium temperature fluid circulating between the high temperature heat source unit. A reaction part containing a reaction material that desorbs the heat medium by heat exchange with a high-temperature fluid, and three or more reactors each having the reaction heat exchange flow path of two or more of the reaction parts Connected in series to the intermediate temperature heat source unit to form a coupling loop, and for each of the reaction units in the coupling loop, the first coupling mode located most upstream with respect to the intermediate temperature heat source unit and the most A second coupling mode located downstream, wherein the intermediate temperature fluid is circulated. A switching unit for switching the path, the equipped, a flow path outlet of the reaction heat exchange passage of the flow channel inlet and the other of said reactor of the reaction heat exchange passage of the first reactor of the three or more reactors A serial supply path that connects the three or more reactors in series, and the medium temperature fluid and the high temperature fluid are provided on the inlet side of the individual supply path. An input port is formed, an output port for the medium temperature fluid and the high temperature fluid is formed on the channel outlet side of the individual supply path, and between the input port and the output port of the individual supply path, An on-off valve for opening and closing the individual supply path is formed .

  The heat pump according to claim 1 includes three or more reactors. Each reactor has a reaction part and a reaction heat exchange channel. The reaction heat exchange channel is connected to the intermediate temperature heat source unit or the high temperature heat source unit, and a fluid circulating between the intermediate temperature heat source unit or the high temperature heat source unit and the reaction heat exchange channel flows through the reaction heat exchange channel. .

  The reaction section is subjected to heat exchange through a reaction heat exchange flow path, and contains a reaction material. The reaction material combines with the heat medium by heat exchange with the medium temperature fluid, and desorbs the heat medium by heat exchange with the high temperature fluid having a temperature higher than that of the medium temperature fluid. The heat pump according to claim 1 has an intermediate temperature heat source part and a high temperature heat source part.

  In the heat pump according to the first aspect, the switching unit connects the reaction heat exchange channels of two or more reaction units in series with the intermediate temperature heat source unit to form a coupling loop. Then, the switching unit causes each reaction unit in the coupling loop to pass through the first coupling mode located at the most upstream and the second coupling mode located at the most downstream with respect to the intermediate temperature heat source unit. The fluid circulation path is switched.

  In this way, by configuring the coupling loop, the temperature of the fluid supplied to the reaction heat exchange flow path of each reactor is different at the position in the coupling loop with respect to the intermediate temperature heat source, and the intermediate temperature fluid is supplied. The upstream side is cooler than the downstream side. The switching unit, for each reaction unit in the coupling loop, uses a medium temperature fluid source so as to pass through the first coupling mode located most upstream and the second coupling mode located most downstream. Switch the circulation path. In the first coupling mode, the temperature of the medium temperature fluid is the lowest in the coupling loop, and in the second coupling mode, the temperature of the medium temperature fluid is the highest in the coupling loop. Accordingly, each reaction section is switched so that an intermediate temperature fluid having a temperature difference is supplied in the coupling loop, so that the relative pressure band for coupling the reaction material and the heat medium is widened, and the reaction material and the heat medium are heated. The amount of bonds with the medium can be increased to efficiently use the reaction material.

In the coupling loop, the temperature of the medium temperature fluid output to the medium temperature heat source unit is higher than the medium temperature fluid output to the medium temperature heat source unit by exchanging heat only in the single reaction unit. Therefore, the amount of heat of the medium temperature fluid radiated by the medium temperature heat source can be increased, and heat can be radiated efficiently.
In addition, according to the heat pump of the first aspect, the circulation path can be configured by simply connecting a plurality of reaction heat exchange channels in series by switching the on-off valve formed in the individual supply channel.
The heat pump according to claim 2, wherein each of the reactors is connected to a storage unit storing the heat medium in a liquid phase, the intermediate temperature heat source unit, and the low temperature heat source unit, and the intermediate temperature heat source unit or the low temperature heat source unit. A reservoir heat exchange channel through which a fluid circulating between the reservoir and the reservoir heat exchange channel of the reactor in the first coupling mode and the second coupling mode is the low temperature heat source. Communicated with the department.

The heat pump according to claim 4 includes four or more of the reactors, and the switching unit removes the reaction heat exchange channels of two or more of the reaction units connected in series to the high-temperature heat source unit. Forming a separation loop, and for each of the reaction units in the desorption loop, the first desorption mode located at the most upstream and the second desorption mode located at the most downstream with respect to the high-temperature heat source unit; The circulation path of the high-temperature fluid is switched so as to pass through.

The heat pump according to claim 4 includes four or more reactors. And the desorption loop is comprised by connecting the reaction heat exchange flow path of two or more reaction parts in series with respect to a high temperature heat source part by the switching part. Then, the switching unit causes each reaction unit in the desorption loop to pass through the first desorption mode located at the most upstream and the second desorption mode located at the most downstream with respect to the high-temperature heat source unit. The circulation path of the high temperature fluid is switched.

  In this way, by configuring the desorption loop, the temperature of the fluid supplied to the reaction heat exchange flow path of each reactor differs at a position with respect to the high-temperature heat source in the desorption loop. The supplied upstream side is hotter than the downstream side. The switching unit is configured so that each reaction unit in the desorption loop has a high temperature so as to pass through the first desorption mode located at the most upstream and the second desorption mode located at the most downstream with respect to the high-temperature heat source unit. Switch the fluid circulation path. In the first desorption mode, the temperature of the hottest fluid is high in the desorption loop, and in the second desorption mode, the temperature of the hottest fluid is low in the desorption loop. Therefore, since each reaction part is switched so that a high-temperature fluid having a temperature difference is supplied in the desorption loop, a band of relative pressure for desorbing the heat medium from the reaction material is widened, and the reaction material is separated from the reaction material. It is possible to efficiently use the reaction material by increasing the amount of desorption of the heat medium.

The heat pump according to claim 5 , wherein the switching unit switches a circulation path of the high-temperature fluid so that each of the reaction units becomes the first desorption mode after the second desorption mode. Features.

In the heat pump according to the fifth aspect , in the desorption loop, the reaction unit first desorbs the heat medium at a low temperature and finally desorbs the heat medium at a high temperature. The amount of the reaction material and the heat medium that can be combined is smaller in the second half (desorption at high temperature) than in the first half (desorption at low temperature) of the desorption. Thereby, many heat carriers can be desorbed from the reaction material.

The heat pump according to claim 6 , wherein the switching unit switches the circulation path of the intermediate temperature fluid so that each of the reaction units becomes the first coupling mode after the second coupling mode. To do.

In the heat pump according to the sixth aspect , in the coupling loop, the reaction unit is first coupled with the heat medium at a high temperature and finally coupled with the heat medium at a low temperature. The amount of the reaction material and the heat medium that can be combined is greater in the second half (bonding at a low temperature) than in the first half (bonding at a high temperature). Thereby, many heat carriers can be combined with the reaction material.

A heat pump according to claim 3 is connected to an intermediate temperature heat source unit and a high temperature heat source unit, and a reaction heat exchange channel through which a fluid circulating between the intermediate temperature heat source unit or the high temperature heat source unit flows, and the reaction heat Heat exchange is performed by the exchange flow path, and is combined with a heat medium by heat exchange with the medium temperature fluid circulating between the medium temperature heat source unit and higher than the medium temperature fluid circulating between the high temperature heat source unit. A reaction part containing a reaction material that desorbs the heat medium by heat exchange with a high-temperature fluid, and three or more reactors each having the reaction heat exchange flow path of two or more of the reaction parts Connected in series to the intermediate temperature heat source unit to form a coupling loop, and for each of the reaction units in the coupling loop, the first coupling mode located most upstream with respect to the intermediate temperature heat source unit and the most A second coupling mode located downstream, wherein the intermediate temperature fluid is circulated. Comprising a switching unit for switching the path, and each said reactor is connected to a reservoir for storing the heating medium in liquid phase, and the medium-temperature heat source and low temperature heat source, the medium-temperature heat source or the cold A reservoir heat exchange channel through which a fluid that circulates between the heat source unit and the reservoir heat exchange channel of the reactor in the first coupling mode and the second coupling mode, It communicates with the low temperature heat source .

According to the heat pump according to the third aspect , the storage section for storing the liquid phase heat medium is provided for each reactor, and the storage heat exchange flow path for exchanging heat with the storage section is provided. The stored heat exchange channel is connected to the intermediate temperature heat source unit and the low temperature heat source unit. Thus, when the binding reaction is performed in the corresponding reaction unit, the storage unit communicates with the low-temperature heat source unit to function as an evaporator, and when the desorption reaction is performed in the corresponding reaction unit, the storage unit Can be made to function as a condenser by communicating with the medium temperature heat source.

The cold heat generation method according to claim 7 is connected to an intermediate temperature heat source unit and a high temperature heat source unit, and a reaction heat exchange channel through which a fluid circulating between the intermediate temperature heat source unit or the high temperature heat source unit circulates, The heat medium is combined with the heat medium by heat exchange with the medium temperature fluid circulating between the medium temperature heat source part and the heat medium is exchanged with the high temperature fluid higher than the medium temperature fluid circulated with the high temperature heat source part. The reaction heat exchange channel of the reaction part of two or more reactors out of four or more reactors each having a reaction part containing a desorbing reaction material with respect to the intermediate temperature heat source part Connected in series to form a coupling loop, and for each of the reaction units in the coupling loop, the first coupling mode located at the most upstream and the second coupling located at the most downstream with respect to the intermediate temperature heat source part switching the circulation path of the medium temperature fluid to undergo a mode, the four or more of the anti The reaction heat exchange flow paths of the reaction parts of two or more reactors in the reactor are connected in series to the high-temperature heat source part to form a desorption loop, With respect to the reaction unit, the circulation path of the high-temperature fluid is switched so as to pass through the first desorption mode located at the most upstream and the second desorption mode located at the most downstream with respect to the high-temperature heat source unit, The reactor is connected to a storage unit that stores the liquid-phase heat medium, the intermediate temperature heat source unit, and the low temperature heat source unit, and a circulating fluid flows between the intermediate temperature heat source unit or the low temperature heat source unit. A storage section heat exchange channel that communicates with the low temperature heat source section of the storage section heat exchange channel of the reactor in the first coupling mode and the second coupling mode. The reservoir heat exchange channel of the reactor in the separation mode and the second desorption mode The source part and communicating.

  In the cold heat generation method according to claim 7, each of the three or more reactors has a reaction part and a reaction heat exchange channel, and the reaction heat exchange channel includes an intermediate temperature heat source part or a high temperature heat source part and reaction heat. A fluid circulating between the exchange channels flows.

  The reaction material accommodated in the reaction unit is combined with the heat medium by heat exchange with the medium temperature fluid, and desorbs the heat medium by heat exchange with the high temperature fluid higher than the medium temperature fluid. And the reaction heat exchange flow path of two or more reaction parts is connected in series with respect to an intermediate temperature heat source part, and a coupling loop is constituted. Then, the switching unit causes each reaction unit in the coupling loop to pass through the first coupling mode located at the most upstream and the second coupling mode located at the most downstream with respect to the intermediate temperature heat source unit. The fluid circulation path is switched.

  In this way, by configuring the coupling loop, the temperature of the fluid supplied to the reaction heat exchange flow path of each reactor is different at the position in the coupling loop with respect to the intermediate temperature heat source, and the intermediate temperature fluid is supplied. The upstream side is cooler than the downstream side. For each reaction part in the coupling loop, the circulation path of the medium temperature fluid passes through the first coupling mode located on the most upstream side and the second coupling mode located on the most downstream side with respect to the intermediate temperature heat source part. Switched. In the first coupling mode, the temperature of the medium temperature fluid is the lowest in the coupling loop, and in the second coupling mode, the temperature of the medium temperature fluid is the highest in the coupling loop. Accordingly, each reaction section is switched so that an intermediate temperature fluid having a temperature difference is supplied in the coupling loop, so that the relative pressure band for coupling the reaction material and the heat medium is widened, and the reaction material and the heat medium are heated. The amount of bonds with the medium can be increased to efficiently use the reaction material.

  In the coupling loop, the temperature of the medium temperature fluid output to the medium temperature heat source unit is higher than the medium temperature fluid output to the medium temperature heat source unit by exchanging heat only in the single reaction unit. Therefore, the amount of heat of the medium temperature fluid radiated by the medium temperature heat source can be increased, and heat can be radiated efficiently.

According to a seventh aspect of the present invention, there is provided a cold heat generation method in which the reaction heat exchange channels of the reaction units of two or more reactors among the four or more reactors are connected in series to the high temperature heat source unit and removed. Forming a separation loop, and for each of the reaction units in the desorption loop, the first desorption mode located at the most upstream and the second desorption mode located at the most downstream with respect to the high-temperature heat source unit; The circulation path of the high-temperature fluid is switched so as to pass through.

In the cold heat generation method according to claim 7 , a desorption loop is formed by connecting reaction heat exchange channels of two or more reaction units in series with respect to a high-temperature heat source unit among four or more reactors. . Then, for each reaction part in the desorption loop, the high-temperature fluid is passed through the first desorption mode located at the most upstream and the second desorption mode located at the most downstream with respect to the high-temperature heat source part. The circulation path is switched.

  In this way, by configuring the desorption loop, the temperature of the fluid supplied to the reaction heat exchange flow path of each reactor differs at a position with respect to the high-temperature heat source in the desorption loop. The supplied upstream side is hotter than the downstream side. About each reaction part in a desorption loop, circulation of a hot fluid passes through the 1st desorption mode located in the most upstream and the 2nd desorption mode located in the most downstream on the basis of a high temperature heat source part. The route is switched. In the first desorption mode, the temperature of the hottest fluid is high in the desorption loop, and in the second desorption mode, the temperature of the hottest fluid is low in the desorption loop. Therefore, since each reaction part is switched so that a high-temperature fluid having a temperature difference is supplied in the desorption loop, a band of relative pressure for desorbing the reaction material and the heat medium becomes wide, and the reaction material The amount of desorption between the heat medium and the heat medium can be increased to efficiently use the reaction material.

The cold heat generation method according to claim 8 is characterized in that, for each of the reaction units, the circulation path of the high-temperature fluid is switched so that the first desorption mode is set after the second desorption mode. To do.

In the cold heat generation method according to the eighth aspect , in the desorption loop, the reaction unit first desorbs the heat medium at a low temperature and finally desorbs the heat medium at a high temperature. The amount of the reaction material and the heat medium that can be combined is smaller in the second half (desorption at high temperature) than in the first half (desorption at low temperature) of the desorption. Thereby, many heat carriers can be desorbed from the reaction material.

The cold heat generation method according to a ninth aspect is characterized in that, for each of the reaction units, the circulation path of the intermediate temperature fluid is switched so that the first combined mode is set after the second combined mode.

In the cold heat generation method according to the ninth aspect , in the coupling loop, the reaction unit is first coupled with the heat medium at a high temperature, and finally coupled with the heat medium at a low temperature. The amount of the reaction material and the heat medium that can be combined is larger in the second half (desorption at high temperature) than in the first half (desorption at low temperature). Thereby, many heat carriers can be combined with the reaction material.

  Since the present invention has the above-described configuration, it is possible to efficiently generate cold heat by increasing the amount of coupling between the reaction material and the heat medium while the cooling capacity of the heat medium is limited.

It is the schematic which shows the structure of the heat pump of 1st Embodiment. It is a graph which shows the adsorption | suction characteristic of the adsorbent of 1st Embodiment. It is a block diagram which shows the connection relation of the control part of 1st Embodiment, an on-off valve, and a valve. It is explanatory drawing which shows the adsorption | suction loop and desorption loop of 1st Embodiment. It is a graph explaining adsorption | suction of the heat medium in the adsorption | suction part at the time of the adsorption mode of 1st Embodiment. It is a graph explaining the detachment | desorption of the heat medium in the adsorption | suction part at the time of the detachment | desorption mode of 1st Embodiment. It is a table | surface which shows the pattern of the movement mode of the adsorption | suction part of 1st Embodiment. In the heat pump of a 1st embodiment, an adsorption part is an explanatory view at the time of operation of the 1st pattern. In the heat pump of a 1st embodiment, an adsorption part is an explanatory view at the time of operation of the 2nd pattern. In the heat pump of a 1st embodiment, an adsorption part is an explanatory view at the time of operation of the 3rd pattern. In the heat pump of a 1st embodiment, an adsorption part is an explanatory view at the time of operation of the 4th pattern. It is the schematic which shows the structure of the heat pump of 2nd Embodiment. It is a block diagram which shows the connection relation of the control part of 2nd Embodiment, an on-off valve, and a valve. It is explanatory drawing which shows the adsorption | suction loop of 2nd Embodiment, a desorption loop, a cold-heat generation loop, and a condensation loop. It is a graph explaining adsorption | suction of the heat medium in the adsorption | suction part at the time of the adsorption mode of 2nd Embodiment. It is a graph explaining the detachment | desorption of the heat medium in the adsorption | suction part at the time of the detachment | desorption mode of 2nd Embodiment. It is a table | surface which shows the pattern of the motion mode of the suction device of 2nd Embodiment. In the heat pump of 2nd Embodiment, an adsorption machine is explanatory drawing at the time of the driving | operation of a 1st pattern. It is explanatory drawing at the time of operation | movement of an adsorber in a 2nd pattern in the heat pump of 2nd Embodiment. In the heat pump of 2nd Embodiment, an adsorption machine is explanatory drawing at the time of the driving | running of a 3rd pattern. In the heat pump of 2nd Embodiment, an adsorption machine is explanatory drawing at the time of the driving | operation of a 4th pattern.

[First Embodiment]
FIG. 1 is a schematic configuration diagram of a vehicle-mounted heat pump (hereinafter referred to as “heat pump 10”) according to the first embodiment of the present invention. The heat pump 10 is mounted on a vehicle, and is connected to an engine unit 12 of the vehicle, a radiator 14, and an indoor heat exchanger 16 for an air conditioner.

  The engine unit 12 is a portion provided in a circulation path of engine cooling water from the engine, and a high-temperature fluid having a temperature higher than the adsorbent desorption temperature (regeneration temperature) described later at a temperature of about 80 ° C. to 130 ° C. Supply to heat pump 10. The radiator 14 supplies the heat pump 10 with an intermediate temperature fluid having a temperature after cooling by heat exchange with the outside air of 20 ° C. to 35 ° C., which is lower than the desorption temperature of the adsorbent described later. The indoor heat exchanger 16 supplies the cold heat generated by the heat pump 10 into the vehicle interior, and returns the low-temperature fluid (about 10 ° C. to 20 ° C.) subjected to heat exchange to the heat pump 10.

The heat pump 10 includes four adsorbers 20A, 20B, 20C, and 20D as reactors. The adsorbers 20A to 20D have the same configuration. Hereinafter, these are collectively referred to as the adsorber 20, and A to D are added to the end of the reference numerals of the respective parts to distinguish them. The adsorber 20 includes an adsorbing unit 22 as a reaction unit and a storage unit 23. An adsorbent is disposed in the adsorbing portion 22. The adsorbent adsorbs / desorbs water as a heat medium. For example, activated carbon, mesoporous silica, zeolite, or the like can be used. The adsorbent adsorbs the heat medium from the storage unit 23 in an adsorption mode as a coupling mode described later, and desorbs (desorbs) the adsorbed heat medium in a regeneration mode as a desorption mode. FIG. 2 shows a graph showing the adsorption characteristics of the adsorbent used in the present embodiment. As the adsorbent, it is preferable to use an adsorbent having an adsorbing characteristic that greatly changes the adsorbed amount within a narrow relative pressure range.

  A reaction heat exchange channel 24 is provided in the adsorption unit 22. The reaction heat exchange channel 24 is provided so as to be able to exchange heat while being isolated from the adsorbing portion 22, and is a channel through which a fluid flows. The reaction heat exchange channel 24 has a channel inlet 25 through which a fluid flows and a channel outlet 26 through which the fluid after heat exchange flows out. The channel inlet 25 and the channel outlet 26 are connected to the channel outlet 26 and the channel inlet 25 of the reaction heat exchange channel 24 of the other adsorption unit 22 by the individual supply channel 21, respectively. Specifically, the channel outlet 26A of the reaction heat exchange channel 24A is connected to the channel inlet 25B of the reaction heat exchange channel 24B via the individual supply channel 21A, and the channel outlet 26B of the reaction heat exchange channel 24B. Is connected to the channel inlet 25C of the reaction heat exchange channel 24C via the individual supply channel 21B, and the channel outlet 26C of the reaction heat exchange channel 24C flows through the reaction heat exchange channel 24D via the individual supply channel 21C. Connected to the passage inlet 25D, the passage outlet 26D of the reaction heat exchange passage 24D is connected to the passage inlet 25A of the reaction heat exchange passage 24A via the individual supply passage 21D. Thereby, the serial supply path 18 which is a circulation path in which the reaction heat exchange flow paths 24A to 24D of the four adsorption portions 22A to 22D are connected in series is configured.

  An open / close valve 30 (open / close valves 30 </ b> A to 30 </ b> D) that can open and close the individual supply path 21 is provided at the center of each individual supply path 21. A high temperature inlet port 32 (high temperature inlet ports 32A to 32D) connected to the outlet side of the engine unit 12 and the outlet side of the radiator 14 are connected to the channel inlet 25 side of the individual supply passage 21 from the opening / closing valve 30 side. The intermediate temperature inflow port 34 (intermediate temperature inflow ports 34A to 34D) is provided. Further, on the flow path outlet 26 side of the individual supply path 21 with respect to the flow path outlet 26 side, the high temperature outflow port 36 (high temperature outflow ports 36A to 36D) connected to the inlet side of the engine unit 12 and the inlet side of the radiator 14 are provided. Are connected to the intermediate temperature outlet port 38 (intermediate temperature outlet ports 38A to 38D). High temperature fluid from the engine unit 12 flows from the high temperature inflow port 32, and medium temperature fluid from the radiator 14 flows from the intermediate temperature inflow port 34. Further, the high-temperature fluid that has passed through the adsorption unit 22 flows out from the high-temperature outflow port 36 to the engine unit 12, and the intermediate-temperature fluid that has passed through the adsorption unit 22 flows out from the intermediate-temperature outflow port 38 to the radiator 14.

  The high temperature inflow port 32 is provided with an on / off valve 31, the intermediate temperature inflow port 34 is provided with an on / off valve 33, the high temperature outflow port 36 is provided with an on / off valve 35, and the intermediate temperature outflow port 38 is provided with an on / off valve 37. It has been. The on-off valves 30, 31, 33, 35, and 37 are composed of electromagnetic valves, and are each connected to a control unit 40 as a switching unit as shown in FIG. The control unit 40 is configured to include a CPU, a memory, a driver for switching an on-off valve and a three-way valve. The control unit 40 operates the heat pump 10 by switching the on-off valve and the three-way valve based on a program recorded in advance. The on-off valves 30, 31, 33, 35, and 37 are controlled to be opened and closed by the control unit 40 so that an adsorption loop 42 and a desorption loop 44 (see FIG. 4), which will be described later, are formed.

  The storage unit 23 stores liquid phase water as a heat medium. The storage unit 23 is provided below the adsorption unit 22 and is always in communication with the adsorption unit 22. In the adsorption mode, water evaporates from the storage unit 23 and is adsorbed by the adsorbent of the adsorption unit 22. In the desorption mode, the water desorbed and condensed from the adsorbent of the adsorption unit 22 is stored. In addition, the inside of the storage part 23 is made into the pressure reduction or a vacuum state. The storage unit 23 serves as a so-called evaporator and condenser in the heat pump.

A storage heat exchange channel 27 is provided in the storage unit 23. The stored heat exchange channel 27 is provided so as to be able to exchange heat while being isolated from the storage unit 23, and is a channel through which water as a fluid for the heat transfer medium flows. The stored heat exchange flow path 27 has an inflow port portion 28 into which medium-temperature fluid and low-temperature fluid flow in, and an outflow port portion 29 through which water after heat exchange flows out. The inlet 28 is connected to the indoor heat exchanger 16 and the radiator 14 via a valve 60 that is a switching valve, and the outlet 29 is connected to the indoor heat exchanger 16 and the radiator 14 via a valve 62 that is a switching valve. Connected with. The valves 60 and 62 are three-way valves, and are connected to the control unit 40 and controlled by the control unit 40 to communicate with the radiator 14 or the indoor heat exchanger 16.

Next, the operation of the heat pump 10 of this embodiment will be described. When the heat pump 10 is in operation, fluids having different temperatures are supplied to the adsorption units 22 of the four adsorbers 20 to form a high temperature adsorption HA, a low temperature adsorption LA, a low temperature desorption LD, and a high temperature desorption HD. Thus, the control unit 40 controls each on-off valve and the opening / closing of the valve. The high temperature adsorption HA, the low temperature adsorption LA, the low temperature desorption LD, and the high temperature desorption HD correspond to the second coupling mode, the first coupling mode, the second desorption mode, and the first desorption mode of the present invention, respectively. Yes. In the high temperature adsorption HA and the low temperature adsorption LA, the adsorption unit 22 is in an adsorption mode in which water is adsorbed on the adsorbent. In the high temperature desorption HD and the low temperature desorption LD, the adsorption unit 22 is in a desorption mode in which water is desorbed from the adsorbent.

In the low temperature adsorption LA, the intermediate temperature fluid is supplied from the radiator 14 to the adsorption unit 22 from the flow path inlet 25, and the low temperature fluid is supplied from the indoor heat exchanger 16 to the storage unit 23. Here, as shown in FIG. 4, the temperature of the medium temperature fluid output from the radiator 14 is T2-1, and the temperature of the low temperature fluid output from the indoor heat exchanger 16 is T1-1. At this time, the water stored in the storage unit 23 evaporates and the evaporated water is absorbed by the adsorbent of the adsorption unit 22. When the heat of vaporization is taken away when the water evaporates, the storage unit 23 generates cold heat. Let T1-2 be the temperature of the low-temperature fluid that is output from the storage unit 23 (the stored heat exchange flow path 27) and returns to the indoor heat exchanger 16. The temperature T1-2 is lower than the temperature T1-1. When the relative pressure of the adsorption part 22 (temperature T2-1) and the storage part 23 (temperature T1-1) of the low-temperature adsorption LA is φ1, the adsorption of water in the adsorption part 22 is relative to the graph shown in FIG. The pressure can be increased up to φ1. The amount that can be adsorbed by the adsorbent is Q1.

In the high temperature adsorption HA, the medium temperature fluid that has passed through the adsorption section 22 where the low temperature adsorption LA is performed is supplied from the flow path inlet 25 to the adsorption section 22, and the low temperature fluid is supplied from the indoor heat exchanger 16 to the storage section 23. . Since the temperature of the intermediate temperature fluid that has passed through the adsorption section 22 where the low temperature adsorption LA is performed is heated by the adsorption heat in the adsorption section 22 where the low temperature adsorption LA is performed, the temperature T2- of the intermediate temperature fluid from the radiator 14 It is higher than 1. Here, the temperature of the intermediate temperature fluid that has passed through the adsorption section 22 where the low temperature adsorption LA is performed is T2-2, and the temperature of the intermediate temperature fluid that has passed through the adsorption section 22 where the high temperature adsorption HA is performed is T2-3. At this time, the water stored in the storage unit 23 evaporates and the evaporated water is absorbed by the adsorbent of the adsorption unit 22. When the heat of vaporization is taken away when the water evaporates, the storage unit 23 generates cold heat. If the relative pressure of the adsorption part 22 (temperature T2-2) and the storage part 23 (temperature T1-1) of the high-temperature adsorption HA is φ2, the adsorption of water in the adsorption part 22 is relative to the graph shown in FIG. The pressure can be increased up to φ2. The amount that can be adsorbed by the adsorbent is Q2. The relative pressure φ2 is smaller than the relative pressure φ1.

In the high temperature desorption HD, the high temperature fluid is supplied from the engine unit 12 from the flow path inlet 25 to the adsorption unit 22, and the medium temperature fluid is supplied from the radiator 14 to the storage unit 23. Here, the temperature of the high-temperature fluid output from the engine unit 12 is T3-1. As described above, the temperature of the medium temperature fluid output from the radiator 14 is T2-1. At this time, in the adsorption part 22, the water adsorbed by the adsorbent is desorbed and the adsorbent is regenerated. The desorbed water is condensed in the storage unit 23 and stored in the storage unit 23. In the reservoir 23, condensation heat is generated when water is condensed, so that the temperature of the medium temperature fluid rises. The temperature of the medium-temperature fluid that is output from the storage unit 23 and returns to the radiator 14 is T2-4 that is higher than T2-1. When the relative pressure of the adsorption unit 22 (temperature T3-1) and the storage unit 23 (temperature T2-1) of the high temperature desorption HD is φ3, the amount of water that can be adsorbed in the adsorption unit 22 (adsorption limit amount) is Q3. Thus, the water adsorbed on the adsorption part 22 is desorbed. The relative pressure φ3 is smaller than the relative pressure φ2.

In the low-temperature desorption LD, the high-temperature fluid that has passed through the adsorption unit 22 where high-temperature desorption HD is performed is supplied from the flow path inlet 25 to the adsorption unit 22, and the intermediate-temperature fluid is supplied from the radiator 14 to the storage unit 23. The temperature of the high-temperature fluid is lower than the temperature of the high-temperature fluid from the engine unit 12 because the heat is absorbed by the regeneration of the adsorbent in the adsorption unit 22 where high-temperature desorption HD is performed. Let T3-2 be the temperature of the high-temperature fluid that has passed through the adsorption section 22 where this high-temperature desorption HD is performed. Moreover, the temperature of the high temperature fluid which passed through the adsorption | suction part 22 in which low temperature desorption LD is performed is set to T3-3. As described above, the temperature of the medium temperature fluid output from the radiator 14 is T2-1. At this time, in the adsorption part 22, the water adsorbed by the adsorbent is desorbed and the adsorbent is regenerated. The desorbed water is condensed in the storage unit 23 and stored in the storage unit 23. In the storage part 23, since heat of condensation is generated when water is condensed, the temperature rises. The temperature of the medium-temperature fluid that is output from the storage unit 23 and returns to the radiator 14 is T2-4 that is higher than T2-1. If the relative pressure of the adsorption unit 22 (temperature T3-2) and the storage unit 23 (temperature T2-1) of the low temperature desorption LD is φ4, the amount of water that can be adsorbed in the adsorption unit 22 is Q4. The adsorbed water is desorbed. The relative pressure φ4 is greater than the relative pressure φ3 and smaller than the relative pressure φ1.

The adsorption section 22 of the low temperature adsorption LA and the adsorption section 22 of the high temperature adsorption HA have the open / close valve 30 of the individual supply path 21 connecting these reaction heat exchange channels 24 open, and the channel outlet 26 of the low temperature adsorption LA. Are communicated with the flow path inlet 25 of the high temperature adsorption HA, whereby the reaction heat exchange flow paths 24 are communicated in series. Thereby, an adsorption loop 42 in which the medium temperature fluid circulates is formed in the order of the radiator 14 → the adsorption part 22 of the low temperature adsorption LA → the adsorption part 22 of the high temperature adsorption HA → the radiator 14 (see FIG. 4). The adsorption part 22 of the low temperature adsorption LA and the adsorption part 22 of the high temperature adsorption HA are in the adsorption mode. The adsorption part 22 of the low temperature adsorption LA is arranged in the adsorption loop 42 at the upstream position RS1 that is the most upstream of the input of the medium temperature fluid with the radiator 14 as a reference. The adsorption portion 22 of the high temperature adsorption HA is disposed in the adsorption loop 42 at the downstream position RS2 that is the most downstream of the input of the medium temperature fluid with the radiator 14 as a reference.

The high-temperature desorption HD adsorption section 22 and the low-temperature desorption LD adsorption section 22 have the open / close valve 30 of the individual supply path 21 connecting these reaction heat exchange flow paths 24 open, and the high-temperature adsorption HD flow path. By connecting the outlet 26 to the channel inlet 25 of the low temperature adsorption LD, the reaction heat exchange channels 24 are connected in series. As a result, a desorption loop 44 in which the high-temperature fluid circulates is formed in the order of the engine unit 12 → the high temperature desorption HD adsorption unit 22 → the low temperature desorption LA adsorption unit 22 → the engine unit 12 (see FIG. 4). The adsorption unit 22 for the high temperature desorption HD and the adsorption unit 22 for the low temperature desorption LD are in the desorption mode. The adsorption unit 22 for the high temperature desorption HD is arranged in the desorption loop 44 at the upstream position ES1 that is the most upstream of the input of the high temperature fluid with the engine unit 12 as a reference. The adsorption unit 22 of the low temperature desorption LD is arranged in the desorption loop 44 at the downstream position ES2 that is the most downstream of the input of the high temperature fluid with the engine unit 12 as a reference.

In the adsorption units 22A to 22D, the high temperature adsorption HA, the low temperature adsorption LA, the low temperature desorption LD, and the high temperature desorption HD are switched in this order and repeated. Specifically, switching is performed in the order of the downstream position RS1 of the adsorption loop 42 → the upstream position RS2 of the adsorption loop 42 → the downstream position ES2 of the desorption loop 44 → the upstream position ES1 of the desorption loop 44.

As shown in FIG. 5, the amount of water that can be adsorbed by the adsorption unit 22 is Δq2 in the high temperature adsorption HA and Δq1 in the low temperature adsorption LA. Further, as shown in FIG. 6, the amount of water desorbed from the adsorption unit 22 is Δq3 in the low temperature desorption LD and Δq4 in the high temperature desorption HD.

In the combination of operation patterns in the four adsorbers 20, as shown in FIG. 7, the first pattern P1, the second pattern P2, the third pattern P3, the fourth pattern P4, and the first pattern P1, respectively. The operation is switched to repeat.

In the first pattern P1, the control unit 40 sets the adsorption unit 22A to the low temperature adsorption LA, the adsorption unit 22B to the high temperature adsorption HA, the adsorption unit 22C to the high temperature desorption HD, and the adsorption unit 22D to the low temperature desorption LA. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 8, among the on-off valves 30 (A to D), 31 (A to D), 33 (A to D), 35 (A to D), and 37 (A to D) The on-off valves 30A, 31B, 37B, 30C, 33D, and 35D are opened and the others are closed.

Thus, an adsorption loop 42-P1 in which the medium-temperature fluid circulates in the order of the radiator 14, the adsorption unit 22A, the adsorption unit 22B, and the radiator 14 is formed. In the adsorption loop 42-P1, a medium temperature fluid at a temperature T2-1 is supplied from the radiator 14 to the adsorption unit 22A, and a medium temperature fluid at a temperature T2-2 that has passed through the adsorption unit 22A is supplied from the adsorption unit 22A to the adsorption unit 22B. The medium temperature fluid having the temperature T2-3 that has passed through the suction portion 22B is returned from the suction portion 22B to the radiator 14. The adsorption unit 22A adsorbs water up to a relative pressure φ1, and the adsorption unit 22B adsorbs water up to a relative pressure φ2.

The valves 60A, 62A, 60B, and 62B are controlled by the control unit 40 so as to communicate with the indoor heat exchanger 16, and the reservoirs 23A and 23B have a low temperature T1-1 from the indoor heat exchanger 16. Fluid is supplied. And cold storage is produced | generated in the storage parts 23A and 23B, and the low temperature fluid of the temperature T1-2 is returned to the indoor heat exchanger 16 from the storage parts 23A and 23B.

Further, a desorption loop 44-P1 in which the high-temperature fluid circulates in the order of the engine unit 12 → the adsorbing unit 22C → the adsorbing unit 22D → the engine unit 12 is formed. In the desorption loop 44-P1, the high-temperature fluid at the temperature T3-1 is supplied from the engine unit 12 to the adsorption unit 22C, and the high-temperature fluid at the temperature T3-2 that has passed through the adsorption unit 22C is supplied from the adsorption unit 22C to the adsorption unit 22D. Then, the high-temperature fluid at the temperature T3-3 that has passed through the adsorption unit 22D is returned from the adsorption unit 22D to the engine unit 12. The adsorption unit 22C desorbs water up to a relative pressure φ3, and the adsorption unit 22D desorbs water up to a relative pressure φ4.

The valves 60C, 62C, 60D, and 62D are controlled by the control unit 40 so as to communicate with the radiator 14, and a medium temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the storage units 23C and 23D. Then, the water desorbed from the adsorbent is condensed in the reservoirs 23C and 23D, and the medium temperature fluid at the temperature T2-4 heated by the condensation heat is returned to the radiator 14 from the reservoirs 23C and 23D.

In the second pattern P2, the control unit 40 sets the adsorption unit 22B to the low temperature adsorption LA, the adsorption unit 22C to the high temperature adsorption HA, the adsorption unit 22D to the high temperature desorption HD, and the adsorption unit 22A to the low temperature desorption LA. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 9, among the on-off valves 30 (A to D), 31 (A to D), 33 (A to D), 35 (A to D), and 37 (A to D) The on-off valves 30B, 31C, 37C, 30D, 33A, and 35A are opened, and the others are closed. As a result, an adsorption loop 42-P2 in which the medium-temperature fluid circulates in the order of the radiator 14, the adsorption unit 22B, the adsorption unit 22C, and the radiator 14 is formed. In this adsorption loop 42-P2, the intermediate temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the adsorption unit 22B, and the intermediate temperature fluid at the temperature T2-2 that has passed through the adsorption unit 22B is supplied from the adsorption unit 22B to the adsorption unit 22C. The medium temperature fluid having the temperature T2-3 that has passed through the adsorption unit 22C is returned from the adsorption unit 22C to the radiator 14. The adsorption unit 22B adsorbs water up to a relative pressure φ1, and the adsorption unit 22C adsorbs water up to a relative pressure φ2.

The valves 60B, 62B, 62C, and 62C are controlled by the control unit 40 so as to communicate with the indoor heat exchanger 16, and the reservoirs 23B and 23C have a low temperature T1-1 from the indoor heat exchanger 16. Fluid is supplied. And cold storage is produced | generated in the storage parts 23B and 23C, and the low temperature fluid of temperature T1-2 is returned to the indoor heat exchanger 16 from the storage parts 23B and 23C.

Further, a desorption loop 44-P2 in which the high-temperature fluid circulates in the order of the engine unit 12 → the adsorbing unit 22D → the adsorbing unit 22A → the engine unit 12 is formed. In the desorption loop 44-P2, the high-temperature fluid at the temperature T3-1 is supplied from the engine unit 12 to the adsorption unit 22D, and the high-temperature fluid at the temperature T3-2 that has passed through the adsorption unit 22D is supplied from the adsorption unit 22D to the adsorption unit 22A. Then, the high-temperature fluid at the temperature T3-3 that has passed through the adsorption unit 22A is returned from the adsorption unit 22A to the engine unit 12. The adsorption unit 22D desorbs water up to a relative pressure φ3, and the adsorption unit 22A desorbs water up to a relative pressure φ4.

The valves 60D, 62D, 60A, and 62A are controlled by the control unit 40 so as to communicate with the radiator 14, and the medium temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the storage units 23D and 23A. Then, the water desorbed from the adsorbent is condensed in the reservoirs 23D and 23A, and the medium temperature fluid at the temperature T2-2 heated by the condensation heat is returned to the radiator 14 from the reservoirs 23D and 23A.

In the third pattern P3, the control unit 40 sets the adsorption unit 22C to the low temperature adsorption LA, the adsorption unit 22D to the high temperature adsorption HA, the adsorption unit 22A to the high temperature desorption HD, and the adsorption unit 22B to the low temperature desorption LA. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 10, among the on-off valves 30 (A to D), 31 (A to D), 33 (A to D), 35 (A to D), and 37 (A to D) The on-off valves 30C, 31D, 37D, 30A, 33B, and 35B are opened, and the others are closed. As a result, an adsorption loop 42-P3 in which the medium temperature fluid circulates in the order of the radiator 14, the adsorption unit 22C, the adsorption unit 22D, and the radiator 14 is formed. In the adsorption loop 42-P3, the intermediate temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the adsorption unit 22C, and the intermediate temperature fluid at the temperature T2-2 that has passed through the adsorption unit 22C is supplied from the adsorption unit 22C to the adsorption unit 22D. The medium temperature fluid at the temperature T2-3 that has passed through the suction portion 22D is returned from the suction portion 22D to the radiator 14. The adsorption unit 22C adsorbs water up to the relative pressure φ1, and the adsorption unit 22D adsorbs water up to the relative pressure φ2.

The valves 60C, 62C, 62D, and 62D are controlled by the control unit 40 so as to communicate with the indoor heat exchanger 16, and the reservoirs 23C and 23D have a low temperature T1-1 from the indoor heat exchanger 16. Fluid is supplied. And cold storage is produced | generated in the storage parts 23C and 23D, and the low temperature fluid of the temperature T1-2 is returned to the indoor heat exchanger 16 from the storage parts 23C and 23D.

Further, a desorption loop 44-P3 in which the high-temperature fluid circulates in the order of the engine unit 12 → the adsorbing unit 22A → the adsorbing unit 22B → the engine unit 12 is formed. In the desorption loop 44-P3, the high-temperature fluid at the temperature T3-1 is supplied from the engine unit 12 to the adsorption unit 22A, and the high-temperature fluid at the temperature T3-2 that has passed through the adsorption unit 22A is supplied from the adsorption unit 22A to the adsorption unit 22B. Then, the high-temperature fluid at the temperature T3-3 that has passed through the adsorption unit 22B is returned from the adsorption unit 22B to the engine unit 12. The adsorption unit 22A desorbs water up to a relative pressure φ3, and the adsorption unit 22B desorbs water up to a relative pressure φ4.

The valves 60A, 62A, 60B, and 62B are controlled by the control unit 40 so as to communicate with the radiator 14, and the medium temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the storage units 23A and 23B. Then, the water desorbed from the adsorbent is condensed in the reservoirs 23A and 23B, and the medium temperature fluid at the temperature T2-4 heated by the condensation heat is returned to the radiator 14 from the reservoirs 23A and 23B.

In the fourth pattern P4, the control unit 40 sets the adsorption unit 22D to the low temperature adsorption LA, the adsorption unit 22A to the high temperature adsorption HA, the adsorption unit 22B to the high temperature desorption HD, and the adsorption unit 22C to the low temperature desorption LA. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 11, among the on-off valves 30 (A to D), 31 (A to D), 33 (A to D), 35 (A to D), and 37 (A to D) The on-off valves 30D, 31A, 37A, 30B, 33C, and 35C are opened, and the others are closed. As a result, an adsorption loop 42-P4 in which the medium-temperature fluid circulates in the order of the radiator 14, the adsorption unit 22D, the adsorption unit 22A, and the radiator 14 is formed. In this adsorption loop 42-P4, the intermediate temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the adsorption unit 22D, and the intermediate temperature fluid at the temperature T2-2 that has passed through the adsorption unit 22D is supplied from the adsorption unit 22D to the adsorption unit 22A. The medium temperature fluid at the temperature T2-3 that has passed through the adsorption unit 22A is returned from the adsorption unit 22A to the radiator 14. The adsorption unit 22D adsorbs water up to the relative pressure φ1, and the adsorption unit 22A adsorbs water up to the relative pressure φ2.

The valves 60D, 62D, 62A, and 62A are controlled by the control unit 40 so as to communicate with the indoor heat exchanger 16, and the reservoirs 23D and 23A have a low temperature T1-1 from the indoor heat exchanger 16. Fluid is supplied. And cold storage is produced | generated in storage part 23D, 23A, and the low temperature fluid of temperature T1-2 is returned to the indoor heat exchanger 16 from storage part 23C, 23D.

Further, a desorption loop 44-P4 in which the high-temperature fluid circulates in the order of the engine unit 12, the adsorption unit 22B, the adsorption unit 22C, and the engine unit 12 is formed. In the desorption loop 44-P4, the high-temperature fluid at the temperature T3-1 is supplied from the engine unit 12 to the adsorption unit 22B, and the high-temperature fluid at the temperature T3-2 that has passed through the adsorption unit 22B is supplied from the adsorption unit 22B to the adsorption unit 22C. Then, the high-temperature fluid at the temperature T3-3 that has passed through the adsorption unit 22C is returned from the adsorption unit 22C to the engine unit 12. The adsorption unit 22B desorbs water up to a relative pressure φ3, and the adsorption unit 22C desorbs water up to a relative pressure φ4.

The valves 60B, 62B, 60C, and 62C are controlled by the control unit 40 so as to communicate with the radiator 14, and the medium temperature fluid at the temperature T1-1 is supplied from the radiator 14 to the storage units 23B and 23C. Then, the water desorbed from the adsorbent is condensed in the reservoirs 23B and 23C, and the medium temperature fluid at the temperature T1-2 heated by the condensation heat is returned to the radiator 14 from the reservoirs 23B and 23C.

  In the heat pump 10 of the present embodiment, by configuring the adsorption loop 42, the temperature difference between the temperature T2-1 of the intermediate temperature fluid output from the radiator 14 and the temperature of the intermediate temperature fluid T2-3 returned to the radiator 14 is a single adsorption unit. Compared with the case where the fluid that has undergone heat exchange with only 22 is returned to the radiator 14, it becomes larger. Therefore, more heat can be released by the radiator 14.

  Moreover, in the heat pump 10 of this embodiment, in the adsorption | suction loop 42, the temperature of the medium temperature fluid supplied to each adsorption | suction part 22 changes with the positions (order of passage of intermediate temperature fluid) of the radiator 14 and each adsorption | suction part 22. FIG. Also in the desorption loop 44, the temperature of the high-temperature fluid supplied to each adsorption unit 22 varies depending on the positions of the engine unit 12 and each adsorption unit 22. In the adsorption loop 42 and the desorption loop 44, the position of each adsorption unit 22 is sequentially switched by the control unit 40 controlling the on-off valve. Therefore, compared with the case where the temperature of the fluid passing through the adsorption part in the adsorption loop and the desorption loop is the same, the adsorbent adsorbs the adsorbent by desorbing water from the adsorbent and the relative pressure band where the adsorbent adsorbs water. The relative pressure zone to regenerate becomes wider. Thereby, the amount of reaction of the binding / desorption between the adsorbent and water can be increased and the adsorbent can be used efficiently.

  Further, in the heat pump 10 of the present embodiment, the adsorption units 22A to 22D are switched in this order between the high temperature adsorption HA, the low temperature adsorption LA, the low temperature desorption LD, and the high temperature desorption HD. That is, switching is performed in the order of the downstream position RS 2 in the adsorption loop 42 → the upstream position RS 1 in the adsorption loop 42 → the downstream position ES 2 in the desorption loop 44 → the upstream position ES 1 in the desorption loop 44. Therefore, as shown in FIG. 5, in the adsorption mode, the amount of water that can be adsorbed by the adsorbent is increased in the latter half of the first half of the adsorption mode. As a result, the adsorption unit 22 first performs an adsorption reaction at a high temperature and adsorbs water with an adsorption amount of Δq2, and then performs an adsorption reaction at a low temperature and adsorbs water with an adsorption amount of Δq1.

  In addition, as shown in FIG. 6, in the desorption mode, the amount of water that can be adsorbed by the adsorbent becomes smaller in the second half than in the first half of the desorption mode. Thereby, the adsorption unit 22 is first regenerated at a low temperature to desorb water of Δq3, and then regenerated at a high temperature to desorb water of Δq4.

  By switching the mode of the adsorption unit 22 in this order, the adsorption of water by the adsorbent and the desorption of water from the adsorbent are performed in multiple stages, and the amount of adsorption / desorption between the adsorbent and water. Therefore, the adsorbent can be used efficiently.

  Further, in the heat pump 10 of the present embodiment, the adsorption loop 42 and the desorption loop 44 can be easily configured by switching the on-off valve 30 provided in the individual supply paths 21A to 21D.

  In addition, although this embodiment demonstrated the example in which the storage part 23 which has the function of an evaporator and a condenser was provided for every adsorption | suction part 22, it replaced with the storage part 23 and an evaporator and a condenser were separately provided. May be provided. In this case, it is possible to use an evaporator and a condenser common to all the adsorbing portions.

[Second Embodiment]
Next, a second embodiment of the present invention will be described. In the present embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

As shown in FIG. 12, the heat pump 50 according to the present embodiment includes a connection between the storage units 23 </ b> A to 23 </ b> D and a connection between the storage units 23 </ b> A to 23 </ b> D, the indoor heat exchanger 16, and the radiator 14. Is different. Moreover, in place of the outlet part 29 and the inlet part 28, inlet / outlet parts 64 and 66 are formed. About another structure, it is the same as that of 1st Embodiment.

  The entrance / exit part 66 is connected to the entrance / exit part 64 of the stored heat exchange flow path 27 of the other storage part 23 by the individual supply path 61. Specifically, the inlet / outlet part 66A of the stored heat exchange channel 27A is connected to the inlet / outlet part 64B of the stored heat exchange channel 27B via the individual supply path 61A, and the inlet / outlet part 66B of the stored heat exchange channel 27B is supplied individually. The inlet / outlet part 64C of the stored heat exchange channel 27C is connected via the path 61B, and the inlet / outlet part 66C of the stored heat exchange channel 27C is connected to the inlet / outlet part 64D of the stored heat exchange channel 27D via the individual supply path 61C. The inlet / outlet part 66D of the stored heat exchange channel 27D is connected to the inlet / outlet part 64A of the stored heat exchange channel 27A via the individual supply path 61D. Thereby, the serial supply path 68 of the circulation path where the stored heat exchange flow paths 27A to 27D of the four storage sections 23A to 23D are connected in series is configured.

  An open / close valve 70 (open / close valves 70 </ b> A to 70 </ b> D) that can open and close the individual supply path 61 is provided at the center of each individual supply path 61. An intermediate temperature inflow port 72 (intermediate temperature inflow ports 72 </ b> A to 72 </ b> D) connected to the outlet side of the radiator 14 and the inlet side of the indoor heat exchanger 16 are located closer to the inlet / outlet portion 64 than the opening / closing valve 70 of the individual supply path 61. Connected low temperature outflow ports 74 (low temperature outflow ports 74A to 74D) are provided. Further, an intermediate temperature outlet port 76 (intermediate temperature outlet ports 76A to 76D) connected to the inlet side of the radiator 14 and an outlet of the indoor heat exchanger 16 are located on the inlet / outlet portion 66 side of the individual supply path 61 with respect to the inlet / outlet portion 66 side. A low temperature inflow port 78 (low temperature inflow ports 78A to 78D) connected to the side is provided. A medium temperature fluid from the radiator 14 flows from the medium temperature inflow port 72, and a low temperature fluid from the indoor heat exchanger 16 flows from the low temperature inflow port 78. Further, the medium temperature fluid that has passed through the storage portion 23 flows out from the intermediate temperature outflow port 76 to the radiator 14, and the low temperature fluid that has passed through the storage portion 23 flows out from the low temperature outflow port 74 to the indoor heat exchanger 16.

  The intermediate temperature inflow port 72 is provided with an opening / closing valve 71, the low temperature outflow port 74 is provided with an opening / closing valve 73, the intermediate temperature outflow port 76 is provided with an opening / closing valve 75, and the low temperature inflow port 78 is provided with an opening / closing valve 77. It has been. The on-off valves 70, 71, 73, 75, 77 are composed of electromagnetic valves and are connected to the control unit 40 as shown in FIG. 13. The on / off valves 70, 71, 73, 75, 77 are controlled to be opened / closed by the control unit 40 so that a cold heat generation loop 46 and a condensation loop 48 described later are formed.

Next, the operation of the heat pump 50 of this embodiment will be described. During the operation of the heat pump 50, as in the first embodiment, the four adsorbers 20 are supplied with fluids having different temperatures, and the high temperature adsorption HA, the low temperature adsorption LA, the low temperature desorption LD, and the high temperature desorption. The control unit 40 controls each on-off valve and the opening / closing of the valve so as to be HD.

On the other hand, the four reservoirs 23 are supplied with fluids having different temperatures, and are opened and closed by the controller 40 so that the high-temperature cold heat generation HE, the low-temperature cold heat generation LE, the low-temperature condensation LC, and the high-temperature condensation HC. The valve and the opening and closing of the valve are controlled. In the high-temperature cold heat generation HE, the low-temperature cold heat generation LE, the low-temperature condensation LC, and the high-temperature condensation HC, the storage unit 23 is in a cold heat generation mode in which the stored water is evaporated to generate cold heat. In the low-temperature condensation LC and the high-temperature condensation HC, the storage unit 23 is in a condensation mode in which water desorbed from the adsorbent is condensed.

When the adsorption unit 22 of the adsorber 20 is high-temperature adsorption HA, the storage unit 23 becomes high-temperature cold heat generation HE, and when the adsorption unit 22 is low-temperature adsorption LA, the storage unit 23 becomes low-temperature cold heat generation LE, and the adsorption unit 22 becomes high-temperature desorption. When separated HD, the reservoir 23 becomes low-temperature condensation LC, and when the adsorption portion 22 is low-temperature desorption LD, the reservoir 23 becomes high-temperature condensation HC.

In the high-temperature cold heat generation HE, the low-temperature fluid (temperature T1-1) is supplied from the indoor heat exchanger 16 to the storage unit 23 from the inlet / outlet portion 66B. At this time, the medium temperature fluid at the temperature T2-2 is supplied to the adsorption portion 22 of the high temperature adsorption HA. The water stored in the storage unit 23 evaporates and is absorbed by the adsorbent of the adsorption unit 22. When the heat of vaporization is taken away when the water evaporates, the storage unit 23 generates cold heat. When the relative pressure of the adsorption part 22 (temperature T2-2) and the storage part 23 (temperature T1-1) of the high-temperature adsorption HA is φ5, the adsorption of water in the adsorption part 22 is relative to the graph shown in FIG. The pressure can be increased up to φ5. The adsorbable amount with the adsorbent is Q5.

In the low temperature cold heat generation LE, the low temperature fluid that has passed through the storage portion 23 of the high temperature cold heat generation HE is supplied from the entrance / exit portion 66 to the storage portion 23. The temperature T1-3 of the low-temperature fluid that has passed through the storage unit 23 for the high-temperature cold heat generation HE is lower than the temperature T1-1. At this time, the medium temperature fluid at the temperature T2-1 is supplied to the adsorption portion 22 of the low temperature adsorption LA. The water stored in the storage unit 23 evaporates and is absorbed by the adsorbent of the adsorption unit 22. When the heat of vaporization is taken away when the water evaporates, the storage unit 23 generates cold heat. When the relative pressure of the adsorption part 22 (temperature T2-1) and the storage part 23 (temperature T1-3) of the low-temperature adsorption LA is φ6, the adsorption of water in the adsorption part 22 is relative to the graph shown in FIG. The pressure can be increased up to φ6. The adsorbable amount with the adsorbent is Q6. The relative pressure φ6 is smaller than the relative pressure φ5.

In the low-temperature condensation LC, the medium temperature fluid (temperature T2-1) is supplied from the radiator 14 to the storage unit 23 from the inlet / outlet part 64. A high-temperature fluid having a temperature T3-1 is supplied to the adsorption unit 22 for the high-temperature desorption HD. At this time, in the adsorption part 22, the water adsorbed by the adsorbent is desorbed and the adsorbent is regenerated. The desorbed water is condensed in the storage unit 23 to become a liquid phase and stored in the storage unit 23. In the storage part 23, since heat of condensation is generated when water is condensed, the temperature rises. If the relative pressure of the adsorption part 22 (temperature T3-1) and the storage part 23 (temperature T2-1) in the high temperature desorption HD is φ7, the adsorption of water in the adsorption part 22 is as shown in the graph of FIG. The relative pressure φ7 can be performed. The relative pressure φ7 is smaller than the relative pressure φ6.

In the high temperature condensation HC, the intermediate temperature fluid (temperature T2-2) that has passed through the storage unit 23 of the low temperature condensation LC is supplied from the inlet unit 64 to the storage unit 23. The high temperature fluid (temperature T3-2) that has passed through the high temperature desorption HD adsorption unit 22 is supplied to the adsorption unit 22 of the low temperature desorption LD. At this time, in the adsorption part 22, the water adsorbed by the adsorbent is desorbed and the adsorbent is regenerated. The desorbed water is condensed in the storage unit 23 and stored in the storage unit 23. In the storage part 23, since heat of condensation is generated when water is condensed, the temperature rises. If the relative pressure of the adsorption part 22 (temperature T3-2) and the storage part 23 (temperature T2-2) in the low temperature desorption LD is φ8, the adsorption of water in the adsorption part 22 is as shown in the graph of FIG. The relative pressure φ8 can be performed. The relative pressure φ8 is larger than the relative pressure φ7 and smaller than the relative pressure φ5.

The storage section 23 for the low-temperature cold heat generation LE and the storage section 23 for the high-temperature cold heat generation HE have the opening / closing valve 70 of the individual supply path 61 that connects the stored heat exchange flow paths 27 to each other, and the inlet / outlet of the low-temperature cold heat generation LE The part 66 communicates with the inlet / outlet part 64 of the high-temperature cold heat generation HE, so that the stored heat exchange flow paths 27 communicate with each other. Thus, a cold heat generation loop 46 is formed in which the low-temperature fluid circulates in the order of the indoor heat exchanger 16 → the low temperature cold heat generation LE storage unit 23 → the high temperature cold heat generation HE storage unit 23 → the indoor heat exchanger 16 (FIG. 14). reference). The storage part 23 for the low-temperature cold heat generation LE and the storage part 23 for the high-temperature cold heat generation HE are in the cold-heat generation mode. The storage unit 23 for the high-temperature cold heat generation HE is disposed at the upstream position SS1 that is the most upstream of the input of the low-temperature fluid with respect to the indoor heat exchanger 16 in the cold heat generation loop 46. The storage unit 23 for the low-temperature cold heat generation LE is disposed at the downstream position SS2 that is the most downstream of the input of the low-temperature fluid in the cold heat generation loop 46 with the indoor heat exchanger 16 as a reference.

The storage unit 23 for the low-temperature condensation LC and the storage unit 23 for the high-temperature condensation HC are configured such that the opening / closing valve 70 of the individual supply path 61 that connects these storage heat exchange channels 27 is opened, By communicating with the inlet / outlet port 64 of the high-temperature condensation HC, the stored heat exchange flow paths 27 communicate with each other. As a result, a condensation loop 48 is formed in which the medium-temperature fluid circulates in the order of the radiator 14 → the low-temperature condensing LC reservoir 23 → the high-temperature condensing HC reservoir 23 → the radiator 14 (see FIG. 14). The storage unit 23 for the low-temperature condensation LC and the storage unit 23 for the high-temperature condensation HC are in the condensation mode. The storage unit 23 of the low-temperature condensing LC is disposed in the condensing loop 48 at the upstream position CS1 that is the most upstream of the input of the medium-temperature fluid with the radiator 14 as a reference. The high-temperature condensing HC reservoir 23 is disposed in the condensing loop 48 at a downstream position CS2 that is the most downstream of the medium temperature fluid input with respect to the radiator 14.

In the storage units 23A to 23D, the high-temperature cold heat generation HE, the low-temperature cold heat generation LE, the high-temperature condensation HC, and the low-temperature condensation LC are switched in this order. Specifically, the switching is performed in the order of the upstream position SS1 of the cold heat generation loop 46 → the downstream position SS2 of the cold heat generation loop 46 → the upstream position CS1 of the condensation loop 48 → the downstream position CS2 of the condensation loop 48 fraction.

The amount of water that can be adsorbed by the adsorption unit 22 is Δq6 in the high temperature adsorption HA and Δq5 in the low temperature adsorption LA, as shown in FIG. Further, as shown in FIG. 16, the amount of water desorbed from the adsorption unit 22 is Δq8 in the low temperature desorption LD and Δq7 in the high temperature desorption HD.

In the combination of the operation patterns in the four adsorption units 22 and the storage units 23, as shown in FIG. 17, the first pattern PP1, the second pattern PP2, the third pattern PP3, the fourth pattern PP4, and the first pattern, respectively. The operation is switched so as to be repeated in the order of PP1. Note that the operation switching of the suction unit 22 is the same as in the first embodiment. Hereinafter, operation switching of the storage unit 23 will be described.

In the first pattern PP1, the control unit 40 sets the storage unit 23A to be the low temperature cold heat generation LE, the storage unit 23B to the high temperature cold heat generation HE, the storage unit 23C to the low temperature condensation LC, and the storage unit 23D to the high temperature condensation HC. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 18, among the on-off valves 70 (A to D), 71 (A to D), 73 (A to D), 75 (A to D), and 77 (A to D) The on-off valves 70A, 71B, 77B, 70C, 73D, and 75D are opened, and the others are closed.

Thus, a cold heat generation loop 46-PP1 in which the low-temperature fluid circulates in the order of the indoor heat exchanger 16, the storage unit 23B, the storage unit 23A, and the indoor heat exchanger 16 is formed. In this cold heat generation loop 46-PP1, a low-temperature fluid having a temperature T1-1 is supplied from the indoor heat exchanger 16 to the storage unit 23B, and a low-temperature fluid having a temperature T1-3 having passed through the storage unit 23B from the storage unit 23B to the storage unit 23A. Is supplied, and the low-temperature fluid having the temperature T1-4 that has passed through the storage section 23A is returned from the storage section 23A to the indoor heat exchanger 16. The adsorption unit 22A adsorbs water up to a relative pressure φ5, and the adsorption unit 22B adsorbs water up to a relative pressure φ6.

Further, a condensing loop 48-PP1 in which the medium temperature fluid circulates in the order of the radiator 14, the storage part 23C, the storage part 23D, and the radiator 14 is formed. In this condensing loop 48-PP1, the intermediate temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the storage portion 23C, and the intermediate temperature fluid at the temperature T2-2 that has passed through the storage portion 23C is supplied from the storage portion 23C to the storage portion 23D. The medium temperature fluid having the temperature T2-3 that has passed through the storage portion 23D is returned from the storage portion 23D to the radiator 14. The adsorption unit 22C desorbs water up to a relative pressure φ7, and the adsorption unit 22D desorbs water up to a relative pressure φ8.

In the second pattern PP2, the control unit 40 sets the storage unit 23B to the low temperature cold heat generation LE, the storage unit 23C to the high temperature cold heat generation HE, the storage unit 23D to the low temperature condensation LC, and the storage unit 23A to the high temperature condensation HC. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 19, among the on-off valves 70 (A to D), 71 (A to D), 73 (A to D), 75 (A to D), and 77 (A to D) The on-off valves 70B, 71C, 77C, 70D, 73A and 75A are opened and the others are closed.

Thus, a cold heat generation loop 49-PP2 is formed in which the low-temperature fluid circulates in the order of the indoor heat exchanger 16 → the storage unit 23C → the storage unit 23B → the indoor heat exchanger 16. In the cold heat generation loop 46-PP2, a low-temperature fluid having a temperature T1-1 is supplied from the indoor heat exchanger 16 to the storage unit 23C, and the low-temperature fluid having a temperature T1-3 having passed through the storage unit 23C from the storage unit 23C to the storage unit 23B. Is supplied, and the low-temperature fluid having the temperature T1-4 that has passed through the storage unit 23B is returned from the storage unit 23B to the indoor heat exchanger 16. The adsorption unit 22B adsorbs water up to a relative pressure φ5, and the adsorption unit 22C adsorbs water up to a relative pressure φ6.

Further, a condensing loop 48-PP2 in which the intermediate temperature fluid circulates in the order of the radiator 14, the storage part 23D, the storage part 23A, and the radiator 14 is formed. In the condensing loop 48-PP2, a medium temperature fluid at a temperature T2-1 is supplied from the radiator 14 to the storage unit 23D, and a medium temperature fluid at a temperature T2-2 that has passed through the storage unit 23D is supplied from the storage unit 23D to the storage unit 23A. The medium temperature fluid having the temperature T2-3 that has passed through the storage section 23A is returned from the storage section 23A to the radiator 14. The adsorption unit 22D desorbs water up to a relative pressure φ7, and the adsorption unit 22A desorbs water up to a relative pressure φ8.

In the third pattern PP3, the control unit 40 sets the storage unit 23C to be the low temperature cold heat generation LE, the storage unit 23D to be the high temperature cold heat generation HE, the storage unit 23A to the low temperature condensation LC, and the storage unit 23B to the high temperature condensation HC. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 20, among the on-off valves 70 (A to D), 71 (A to D), 73 (A to D), 75 (A to D), and 77 (A to D) The on-off valves 70C, 71D, 77D, 70A, 73B, and 75B are opened, and the others are closed.

Thereby, the cold generation | occurrence | production heat | fever generation loop 46-PP3 in which a low temperature fluid circulates in order of the indoor heat exchanger 16-> storage part 23D-> storage part 23C-> indoor heat exchanger 16 is formed. In this cold heat generation loop 46-PP3, the low-temperature fluid having the temperature T1-1 is supplied from the indoor heat exchanger 16 to the storage unit 23D, and the low-temperature fluid having the temperature T1-3 having passed through the storage unit 23D from the storage unit 23D to the storage unit 23C. Is supplied, and the low-temperature fluid having the temperature T1-4 that has passed through the storage unit 23C is returned from the storage unit 23C to the indoor heat exchanger 16. The adsorption unit 22C adsorbs water up to the relative pressure φ5, and the adsorption unit 22D adsorbs water up to the relative pressure φ6.

Further, a condensing loop 48-PP3 is formed in which the intermediate temperature fluid circulates in the order of the radiator 14, the storage part 23A, the storage part 23B, and the radiator 14. In this condensation loop 48-PP3, the intermediate temperature fluid at the temperature T1-1 is supplied from the radiator 14 to the storage portion 23A, and the intermediate temperature fluid at the temperature T1-2 that has passed through the storage portion 23A is supplied from the storage portion 23A to the storage portion 23B. The intermediate temperature fluid at the temperature T1-3 that has passed through the storage portion 23B is returned from the storage portion 23B to the radiator 14. The adsorption unit 22A desorbs water up to a relative pressure φ7, and the adsorption unit 22B desorbs water up to a relative pressure φ8.

In the fourth pattern PP4, the control unit 40 sets the storage unit 23D to be the low temperature cold heat generation LE, the storage unit 23A to be the high temperature cold heat generation HE, the storage unit 23B to the low temperature condensation LC, and the storage unit 23C to the high temperature condensation HC. The opening and closing of the on-off valve is controlled. Specifically, as shown in FIG. 21, among the on-off valves 70 (A to D), 71 (A to D), 73 (A to D), 75 (A to D), and 77 (A to D), The on-off valves 70D, 71A, 77A, 70B, 73C, and 75C are opened and the others are closed.

Thus, a cold heat generation loop 46-PP4 in which the low-temperature fluid circulates in the order of the indoor heat exchanger 16 → the storage unit 23A → the storage unit 23D → the indoor heat exchanger 16 is formed. In this cold heat generation loop 46-PP4, a low-temperature fluid having a temperature T1-1 is supplied from the indoor heat exchanger 16 to the storage section 23A, and a low-temperature fluid having a temperature T1-3 having passed through the storage section 23A from the storage section 23A to the storage section 23D. Is supplied, and the low-temperature fluid having the temperature T1-3 that has passed through the storage unit 23D is returned from the storage unit 23D to the indoor heat exchanger 16. The adsorption unit 22D adsorbs water up to a relative pressure φ5, and the adsorption unit 22A adsorbs water up to a relative pressure φ6.

Further, a condensation loop 48-PP4 in which the medium temperature fluid circulates in the order of the radiator 14, the storage part 23B, the storage part 23C, and the radiator 14 is formed. In this condensation loop 48-PP4, the intermediate temperature fluid at the temperature T2-1 is supplied from the radiator 14 to the storage portion 23B, and the intermediate temperature fluid at the temperature T2-2 that has passed through the storage portion 23B is supplied from the storage portion 23B to the storage portion 23C. The medium temperature fluid having the temperature T2-3 that has passed through the storage portion 23C is returned from the storage portion 23C to the radiator 14. The adsorption unit 22B desorbs water up to a relative pressure φ7, and the adsorption unit 22C desorbs water up to a relative pressure φ8.

  In the heat pump 50 of the present embodiment, by configuring the condensing loop 46, the temperature T2-1 of the medium temperature fluid output from the radiator 14 to the storage unit 23 and the medium temperature fluid T2-3 returned from the storage unit 23 to the radiator 14 The temperature difference becomes larger compared to the case where the fluid that has been heat-exchanged only by the single reservoir 23 is returned to the radiator 14. Therefore, more heat can be released by the radiator 14.

  In the present embodiment, the cold heat generation loop 46 in which the low-temperature fluid circulates in the order of the indoor heat exchanger 16 → the low temperature cold heat generation LE storage section 23 → the high temperature cold heat generation HE storage section 23 → the indoor heat exchanger 16 is formed. However, the cryogenic fluid may be circulated in the opposite direction. That is, the low-temperature fluid may be circulated in the order of the indoor heat exchanger 16 → the storage section 23 for the high-temperature cold heat generation HE → the storage section 23 for the low-temperature cold heat generation LE → the indoor heat exchanger 16. By circulating the low temperature fluid in this manner, the storage unit 23 corresponding to the adsorption unit 22 of the low temperature adsorption LA becomes the high temperature cold heat generation HE, and the storage unit 23 corresponding to the adsorption unit 22 of the high temperature adsorption HA becomes the low temperature cold heat generation LE. Become. In this case, the relative pressure in the adsorption unit 22 of the low-temperature adsorption LA becomes larger than that in the case where the corresponding storage unit 23 is the low-temperature cold heat generation LE, so that the adsorbable amount can be further increased.

In the first and second embodiments described above, the example using the adsorbent that adsorbs the heat medium as the reaction material has been described. However, in the heat pump and the cold heat generation method of the present invention, another reaction material is used. Also good. For example, a substance that combines with a heat medium by a chemical reaction and desorbs the heat medium by a reversible reaction (for example, when water is used as the heat medium, calcium oxide (CaO), magnesium oxide (MgO), and barium oxide (BaO ), When ammonia is used as a heating medium, lithium chloride (LiCl), magnesium chloride (MgCl ₂ ), calcium chloride (CaCl ₂ ), strontium chloride (SrCl ₂ ), barium chloride (BaCl ₂ ), manganese chloride (MnCl ₂ ) , Cobalt chloride (CoCl ₂ ), nickel chloride (NiCl ₂ ), and the like. Further, hydrogen can be used as a heat medium, and a hydrogen storage alloy can be used as a reaction material.

10 Heat pump 12 Engine part (High temperature heat source part)
14 Radiator (Medium temperature heat source)
16 Indoor heat exchanger (low temperature heat source)
18 Series supply path 20 Adsorber (reactor)
21 Individual supply path 22 Adsorption part (reaction part)
24 reaction heat exchange channel 25 channel inlet 26 channel outlet 30 on-off valve 40 control unit (switching unit)
42 Adsorption loop (binding loop)
44 Desorption loop 50 Heat pump

Claims (9)

A reaction heat exchange channel that is connected to an intermediate temperature heat source unit and a high temperature heat source unit and through which a fluid circulating between the intermediate temperature heat source unit and the high temperature heat source unit flows, and heat exchange is performed by the reaction heat exchange channel. By heat exchange with a medium temperature fluid circulating between the medium temperature heat source part and by heat exchange with a high temperature fluid higher in temperature than the medium temperature fluid circulating between the high temperature heat source part. Three or more reactors each having a reaction part containing a reaction material that desorbs the heat medium,
The reaction heat exchange channels of two or more of the reaction units are connected in series to the intermediate temperature heat source unit to form a coupling loop, and for each of the reaction units in the coupling loop, the intermediate temperature heat source unit And a switching unit that switches the circulation path of the medium temperature fluid so as to pass through the first coupling mode located on the most upstream side and the second coupling mode located on the most downstream side,
With
A configuration including an individual supply path that connects a flow path inlet of the reaction heat exchange flow path of one reactor of the three or more reactors and a flow path outlet of the reaction heat exchange flow path of another reactor. A series supply path for connecting the three or more reactors in series,
An input port for the medium temperature fluid and the high temperature fluid is formed on the channel inlet side of the individual supply path, and an output port for the medium temperature fluid and the high temperature fluid is formed on the channel outlet side of the individual supply path. An opening / closing valve that opens and closes the individual supply path is formed between the input port and the output port of the individual supply path.
heat pump. Each of the reactors is connected to a storage unit that stores the heat medium in a liquid phase, the intermediate temperature heat source unit, and the low temperature heat source unit, and a fluid that circulates between the intermediate temperature heat source unit or the low temperature heat source unit. And a storage part heat exchange channel that circulates,
  The reservoir heat exchange channel of the reactor in the first coupling mode and the second coupling mode is in communication with the low temperature heat source unit;
The heat pump according to claim 1. A reaction heat exchange channel that is connected to an intermediate temperature heat source unit and a high temperature heat source unit and through which a fluid circulating between the intermediate temperature heat source unit and the high temperature heat source unit flows, and heat exchange is performed by the reaction heat exchange channel. By heat exchange with a medium temperature fluid circulating between the medium temperature heat source part and by heat exchange with a high temperature fluid higher in temperature than the medium temperature fluid circulating between the high temperature heat source part. Three or more reactors each having a reaction part containing a reaction material that desorbs the heat medium,
The reaction heat exchange channels of two or more of the reaction units are connected in series to the intermediate temperature heat source unit to form a coupling loop, and for each of the reaction units in the coupling loop, the intermediate temperature heat source unit And a switching unit that switches the circulation path of the medium temperature fluid so as to pass through the first coupling mode located on the most upstream side and the second coupling mode located on the most downstream side,
With
Each of the reactors is connected to a storage unit that stores the heat medium in a liquid phase, the intermediate temperature heat source unit, and the low temperature heat source unit, and a fluid that circulates between the intermediate temperature heat source unit or the low temperature heat source unit. And a storage part heat exchange channel that circulates,
The reservoir heat exchange channel of the reactor in the first coupling mode and the second coupling mode is in communication with the low temperature heat source unit;
heat pump. Comprising at least four reactors,
The switching unit forms a desorption loop by connecting the reaction heat exchange channels of two or more of the reaction units in series with the high-temperature heat source unit, and for each of the reaction units in the desorption loop The circulation path of the high-temperature fluid is switched so as to pass through the first desorption mode located at the most upstream and the second desorption mode located at the most downstream with respect to the high-temperature heat source part . The heat pump according to claim 3 . The switching unit, for the reaction of each claim 4, wherein the second switching a circulation path of the hot fluid such that the first desorption mode after the desorption mode, characterized in that Heat pump. The switching unit, for the reaction of each switch a circulation path of the medium temperature fluid such that the first coupling mode later than the second binding mode, claims 1 to 5, characterized in that The heat pump of any one of these. Connected to the intermediate temperature heat source unit and the high temperature heat source unit, and circulates between the intermediate temperature heat source unit and the reaction heat exchange channel through which the fluid circulating between the intermediate temperature heat source unit or the high temperature heat source unit circulates. Reaction in which a reaction material that is coupled to a heat medium by heat exchange with a medium temperature fluid and desorbs the heat medium by heat exchange with a high temperature fluid higher in temperature than the medium temperature fluid circulating between the high temperature heat source units And connecting the reaction heat exchange channels of the reaction sections of two or more reactors of the four or more reactors each having a section to the intermediate temperature heat source section to form a coupling loop. The intermediate temperature fluid passes through the first coupling mode located on the most upstream side and the second coupling mode located on the most downstream side with respect to the intermediate temperature heat source part for each of the reaction parts in the coupling loop. Switching the circulation path of
A desorption loop is formed by connecting the reaction heat exchange flow paths of the reaction sections of two or more reactors among the four or more reactors in series to the high temperature heat source section, The high-temperature fluid circulation path passes through the first desorption mode located on the most upstream side and the second desorption mode located on the most downstream side with respect to each of the reaction parts within Switching,
Each of the reactors is connected to a storage unit that stores the heat medium in a liquid phase, the intermediate temperature heat source unit, and the low temperature heat source unit, and a fluid that circulates between the intermediate temperature heat source unit or the low temperature heat source unit. And a storage part heat exchange channel that circulates,
The reactor in the first desorption mode and the second desorption mode is configured such that the reservoir heat exchange channel of the reactor in the first coupling mode and the second coupling mode communicates with the low temperature heat source unit. The storage part heat exchange flow path of the intermediate temperature heat source part,
Cold heat generation method. The method for generating cold heat according to claim 7 , wherein the circulation path of the high-temperature fluid is switched so that each of the reaction units becomes the first desorption mode after the second desorption mode. . 9. The cooling / heating according to claim 7 , wherein the circulation path of the medium-temperature fluid is switched so that each of the reaction units becomes the first coupling mode after the second coupling mode. Generation method.

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