CN217979087U - Air conditioning system - Google Patents
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- CN217979087U CN217979087U CN202220769450.7U CN202220769450U CN217979087U CN 217979087 U CN217979087 U CN 217979087U CN 202220769450 U CN202220769450 U CN 202220769450U CN 217979087 U CN217979087 U CN 217979087U
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Abstract
The utility model discloses an air conditioning system. The air conditioning system comprises an air conditioning subsystem, a phase-change heat exchange subsystem and a cross-system heat exchanger. The phase change heat exchange subsystem comprises a phase change material container, a phase change material contained in the phase change material container and a heat exchange loop arranged in the phase change material container. The cross-system heat exchanger comprises a first loop and a second loop, the first loop is connected with the air conditioning subsystem so that the heat exchange medium of the air conditioning subsystem can selectively flow through the first loop, and the second loop is connected with the heat exchange loop of the phase change heat exchange subsystem so that the heat exchange medium in the loop formed by the second loop and the heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with the phase change material contained in the phase change material container. The utility model provides high air conditioning system's heat exchange efficiency to can be energy-conserving.
Description
Technical Field
The embodiment of the utility model provides an air conditioning system is related to.
Background
Generally, an air conditioning system includes a compressor, a condenser, an expansion device, and an evaporator. However, such an air conditioning system cannot save the consumption of electric energy by storing energy at the time of a power consumption valley and discharging energy at the time of a power consumption peak.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air conditioning system can improve air conditioning system's heat exchange efficiency from this to can be energy-conserving.
According to the utility model discloses an embodiment provides an air conditioning system, include: an air conditioning subsystem, the air conditioning subsystem comprising: a compressor; a first heat exchanger as one of a condenser and an evaporator; and a second heat exchanger as the other of the condenser and the evaporator, the compressor, the first heat exchanger, and the second heat exchanger being connected in order from the compressor to the second heat exchanger through the first heat exchanger;
a phase change heat exchange subsystem, said phase change heat exchange subsystem comprising: a phase change material container; a phase change material contained within a phase change material container; and a heat exchange loop disposed in the phase change material container; and a cross-system heat exchanger, the cross-system heat exchanger comprising a first loop and a second loop, the first loop being connected with the air conditioning subsystem such that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop, and the second loop being connected with a heat exchange loop of the phase change heat exchange subsystem such that the heat exchange medium in the loop formed by the second loop and the heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with the phase change material contained within the phase change material container.
According to the utility model discloses an embodiment, cross system heat exchanger doubles as at least one in first heat exchanger and the second heat exchanger.
According to the utility model discloses an embodiment, cross system heat exchanger doubles as first heat exchanger, first heat exchanger is as the evaporimeter to the second heat exchanger is as the condenser cross system heat exchanger can selectively will follow the heat that the phase transition heat transfer subsystem obtained is exothermic in the second return circuit.
According to the utility model discloses an embodiment, stride system heat exchanger and do concurrently the second heat exchanger, first heat exchanger is as the condenser to the second heat exchanger is as the evaporimeter, stride system heat exchanger can selectively will follow the cold volume that the phase transition heat transfer subsystem obtained absorbs the heat at the second return circuit.
According to the utility model discloses an embodiment, stride system heat exchanger double as first heat exchanger, first heat exchanger is as the condenser to the second heat exchanger is as the evaporimeter, stride system heat exchanger can selectively with following the heat that the phase transition heat transfer subsystem obtained is exothermic in the second return circuit.
According to the utility model discloses an embodiment, the first loop of crossing system heat exchanger is connected between air conditioning subsystem the first heat exchanger and the second heat exchanger for compressor exhaust heat transfer medium gets into after passing one of first heat exchanger and second heat exchanger cross system heat exchanger, and then get into another one of first heat exchanger and second heat exchanger.
According to the utility model discloses an embodiment cross the heat transfer medium in the system heat exchanger in the first loop can carry out the heat exchange with the heat transfer medium in the second loop.
According to an embodiment of the utility model, air conditioning subsystem still includes expansion device, expansion device connects air conditioning subsystem between first heat exchanger and the second heat exchanger for compressor discharge's heat transfer medium gets into after passing one of first heat exchanger and the second heat exchanger expansion device, and then get into another one of first heat exchanger and the second heat exchanger.
According to the utility model discloses an embodiment, first heat exchanger is as the condenser to the second heat exchanger is as the evaporimeter, stride the first loop connection of system heat exchanger between air conditioning subsystem's expansion device and the second heat exchanger as the evaporimeter, the phase transition heat transfer subsystem passes through stride the system heat exchanger and reduce the temperature by the heat transfer medium after the expansion device inflation.
According to the utility model discloses an embodiment, first heat exchanger is as the condenser to the second heat exchanger is as the evaporimeter, the first loop connection of striding the system heat exchanger is between the first heat transfer and the ware expansion device of the conduct condenser of air conditioning subsystem, the phase transition heat transfer subsystem passes through stride the system heat exchanger and reduce the temperature by the heat transfer medium after the condenser condensation.
According to the embodiment of the utility model, the heat exchange loop of the phase-change heat exchange subsystem comprises a first heat exchange loop and a second heat exchange loop; the cross-system heat exchanger comprises a first cross-system heat exchanger and a second cross-system heat exchanger, the first cross-system heat exchanger comprises a first loop and a second loop, the first loop of the first cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the first cross-system heat exchanger, and the second loop of the first cross-system heat exchanger is connected with a first heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the first cross-system heat exchanger and the first heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with the phase change material contained in the phase change material container; and the second cross-system heat exchanger comprises a first loop and a second loop, the first loop of the second cross-system heat exchanger is connected with the air-conditioning subsystem so that the heat exchange medium of the air-conditioning subsystem can selectively flow through the first loop of the second cross-system heat exchanger, the second loop of the second cross-system heat exchanger is connected with the second heat exchange loop of the phase-change heat exchange subsystem so that the heat exchange medium in the loop formed by the second loop of the phase-change heat exchange subsystem and the second heat exchange loop of the second cross-system heat exchanger can selectively exchange heat with the phase-change material contained in the phase-change material container, and the heat exchange medium in the first loop of the second cross-system heat exchanger in the second cross-system heat exchanger can exchange heat with the heat exchange medium in the second loop of the second cross-system heat exchanger.
According to an embodiment of the present invention, the heat exchange loop of the phase change heat exchange subsystem comprises a first heat exchange loop; the cross-system heat exchanger comprises a first cross-system heat exchanger and a second cross-system heat exchanger, the first cross-system heat exchanger comprises a first loop and a second loop, the first loop of the first cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the first cross-system heat exchanger, and the second loop of the first cross-system heat exchanger is connected with a first heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the first cross-system heat exchanger and the first heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with the phase change material contained in the phase change material container; and the second cross-system heat exchanger comprises a first loop and a second loop, the first loop of the second cross-system heat exchanger is connected with the air-conditioning subsystem so that the heat exchange medium of the air-conditioning subsystem can selectively flow through the first loop of the second cross-system heat exchanger, the second loop of the second cross-system heat exchanger is connected with the first heat exchange loop of the phase-change heat exchange subsystem so that the heat exchange medium in the loop formed by the first loop of the phase-change heat exchange subsystem and the second heat exchange loop of the second cross-system heat exchanger can selectively exchange heat with the phase-change material contained in the phase-change material container, and the heat exchange medium in the first loop of the second cross-system heat exchanger in the second cross-system heat exchanger can exchange heat with the heat exchange medium in the second loop of the second cross-system heat exchanger, and the second loop of the first cross-system heat exchanger and the second cross-system heat exchanger are connected in parallel to the first heat exchange loop of the phase-change heat exchange subsystem.
According to the embodiment of the utility model, the heat exchange loop of the phase-change heat exchange subsystem further comprises a third heat exchange loop; the cross-system heat exchanger further comprises a third cross-system heat exchanger, the third cross-system heat exchanger comprises a first loop and a second loop, the first loop of the third cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the third cross-system heat exchanger, and the second loop of the third cross-system heat exchanger is connected with a third heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the third cross-system heat exchanger and the third heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with the phase change material contained in the phase change material container.
According to the embodiment of the utility model, the heat exchange loop of the phase-change heat exchange subsystem further comprises a second heat exchange loop; the cross-system heat exchanger further comprises a third cross-system heat exchanger, the third cross-system heat exchanger comprises a first loop and a second loop, the first loop of the third cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the third cross-system heat exchanger, and the second loop of the third cross-system heat exchanger is connected with a second heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the third cross-system heat exchanger and the second heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with a phase change material contained in a phase change material container.
According to the utility model discloses an embodiment, air conditioning subsystem still includes expansion device, expansion device connects air conditioning subsystem between first heat exchanger and the second heat exchanger for compressor exhaust heat transfer medium gets into after passing one in first heat exchanger and the second heat exchanger expansion device, and then gets into another in first heat exchanger and the second heat exchanger, the first loop connection of system heat exchanger is striden to the second is so that air conditioning subsystem's heat transfer medium can selectively flow through between air conditioning subsystem's expansion device and second heat exchanger the second strides system heat exchanger the first loop.
According to the utility model discloses an embodiment, first system heat exchanger doubles as the second heat exchanger strides, first heat exchanger is as the condenser to the second heat exchanger is as the evaporimeter.
According to the utility model discloses an embodiment, the first system heat exchanger that strides doubles as the second heat exchanger, and the third strides the system heat exchanger and doubles as first heat exchanger.
According to an embodiment of the present invention, the first heat exchanger is as an evaporator and the second heat exchanger is as a condenser.
According to the utility model discloses an embodiment, the second is plate heat exchanger across system heat exchanger.
According to the utility model discloses an embodiment, air conditioning system still includes: a pump connected between the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger and the second loop of the second cross-system heat exchanger to facilitate flow of heat exchange medium in the loop formed by the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger and to facilitate flow of heat exchange medium in the loop formed by the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the second cross-system heat exchanger.
According to the utility model discloses an embodiment, stride system's heat exchanger and do concurrently the second heat exchanger, first heat exchanger is as the condenser to the second heat exchanger is as the evaporimeter, phase transition heat transfer subsystem's heat transfer return circuit includes first heat transfer return circuit and second heat transfer return circuit, stride system's heat exchanger the second return circuit is connected so that with phase transition heat transfer subsystem's first heat transfer return circuit heat transfer medium in the return circuit that second return circuit and first heat transfer return circuit constitute can selectively carry out the heat exchange with the phase change material who holds in the phase change material container, the second heat transfer return circuit with stride system's heat exchanger's first return circuit parallel connection in air conditioning subsystem so that heat transfer medium in the air conditioning subsystem can selectively carry out the heat exchange through second heat transfer return circuit and the phase change material who holds in the phase change material container.
According to the utility model discloses an embodiment, first system heat exchanger doubles as the second heat exchanger strides, and the second system heat exchanger doubles as the first heat exchanger strides.
According to the utility model discloses an embodiment, air conditioning system still includes: a pump connected between the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger to facilitate flow of the heat exchange medium in the loop formed by the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger; and the phase-change heat exchange subsystem compressor and the phase-change heat exchange subsystem expansion device are connected between a second heat exchange loop of the phase-change heat exchange subsystem and a second loop of the second cross-system heat exchanger so as to compress and expand heat exchange media in a loop formed by the second heat exchange loop of the phase-change heat exchange subsystem and the second loop of the second cross-system heat exchanger.
According to the utility model discloses an embodiment, cross system heat exchanger includes: the heat exchanger comprises a first heat exchange tube for forming a first loop and a second heat exchange tube for forming a second loop, at least some of the plurality of first heat exchange tube groups and at least some of the plurality of second heat exchange tube groups are arranged alternately, each first heat exchange tube group comprises at least one first heat exchange tube, and each second heat exchange tube group comprises at least one second heat exchange tube.
According to the utility model discloses an embodiment, the heat exchanger of striding system is plate heat exchanger.
According to the utility model discloses an embodiment, the heat transfer medium in the second return circuit of cross-system heat exchanger is water or ethylene glycol.
According to the utility model discloses an embodiment, the condenser with the evaporimeter indicates air conditioning system says under the refrigeration operating mode.
According to an embodiment of the present invention, the condenser and the evaporator refer to the air conditioning system in the heating condition.
Adopt and be according to the utility model discloses an air conditioning system can improve air conditioning system's heat exchange efficiency to can be energy-conserving.
Drawings
Fig. 1 is a schematic diagram of an air conditioning subsystem according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an air conditioning system according to an embodiment of the present invention;
fig. 3 is a schematic view of an air conditioning system according to another embodiment of the present invention;
fig. 4 is a schematic view of an air conditioning system according to yet another embodiment of the present invention;
fig. 5 is a schematic view of an air conditioning system according to yet another embodiment of the present invention;
fig. 6 is a schematic view of an air conditioning system according to a further embodiment of the present invention;
fig. 7 is a schematic view of an air conditioning system according to another embodiment of the present invention;
fig. 8 is a schematic view of an air conditioning system according to yet another embodiment of the present invention;
fig. 9 is a schematic view of an air conditioning system according to yet another embodiment of the present invention;
fig. 10 is a schematic view of an air conditioning system according to a further embodiment of the present invention;
fig. 11 is a schematic side view of a heat exchanger according to an embodiment of the present invention; and
fig. 12 is a schematic front view of a heat exchanger according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Fig. 1 shows only an air conditioning subsystem 10, fig. 2-10 show various air conditioning systems according to various embodiments of the present invention, and fig. 11-12 show a heat exchanger according to embodiments of the present invention. In fig. 2, 4, and 5, arrows on the air conditioning subsystem 10 indicate a flow direction of the heat exchange medium under the cooling condition of the air conditioning subsystem 10. In fig. 3 and 6, the arrows on the air conditioning subsystem 10 indicate the flow direction of the heat exchange medium in the heating condition of the air conditioning subsystem 10. In fig. 11 and 12, the arrows indicate the flow direction of the heat exchange medium in the two circuits of the heat exchanger. The utility model discloses an air conditioning system can only a operating mode, for example single cold air conditioning system, also can be the heat pump air conditioning system who has refrigeration and two kinds of operating modes of heating.
Fig. 2 to 6 schematically illustrate the air conditioning system according to the embodiment of the present invention, and are not limited to how the energy in the phase-change heat-exchanging subsystem 20 is charged. Several ways of charging the phase-change heat transfer subsystem 20 are disclosed in the embodiments shown in fig. 7-10. For example, in the embodiment shown in fig. 7-9, the phase change sub-heat exchange subsystem 20 is charged using the air conditioning subsystem 10; in the embodiment shown in fig. 10, a compressor 25 and an expansion device 26 are added to form a circuit for charging the phase-change sub-heat exchange subsystem 20.
Referring to fig. 1 to 10, an air conditioning system 100 according to an embodiment of the present invention includes: an air conditioning subsystem 10, a phase-change heat exchange subsystem 20, and a cross-system heat exchanger 30. The air conditioning subsystem 10 includes: a compressor 11; a first heat exchanger 12A as one of a condenser and an evaporator; and a second heat exchanger 12B as the other of the condenser and the evaporator, the compressor 11, the first heat exchanger 12A, and the second heat exchanger 12B being connected in this order from the compressor 11 through the first heat exchanger 12A to the second heat exchanger 12B. The phase-change heat transfer subsystem 20 includes: a phase change material container 21; a phase change material contained in the phase change material container 21; and a heat exchange circuit 22 disposed in the phase change material container 21. The heat exchange circuit 22 may be a heat exchange tube or a heat exchange channel in which a heat exchange medium flows, and an outer wall of the heat exchange tube or the heat exchange channel is in contact with a phase change material to perform heat exchange between the heat exchange medium and the phase change material in a similar manner to the heat exchanger. The cross-system heat exchanger 30 includes a first circuit 31A and a second circuit 31B, the first circuit 31A is connected with the air conditioning subsystem 10 to enable a heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first circuit 31A, and the second circuit 31B is connected with the heat exchange circuit 22 of the phase-change heat exchange subsystem 20 to enable the heat exchange medium in the circuit formed by the second circuit 31B and the heat exchange circuit 22 to selectively exchange heat with the phase-change material contained in the phase-change material container 21. In some examples of the present invention, the heat exchange medium in the first circuit 31A can exchange heat with the heat exchange medium in the second circuit 31B in the cross-system heat exchanger 30. Further, the air conditioning system 100 includes: valves, piping, controllers, etc.
Referring to fig. 2-8, 10, in some embodiments of the present invention, the heat exchange loop of the air conditioning subsystem 10 and the heat exchange loop 22 of the phase change heat exchange subsystem 20 are independent. The heat exchange medium of the air conditioning subsystem 10 is, for example, a refrigerant, and the heat exchange medium in the heat exchange loop 22 of the phase change heat exchange subsystem 20 may be ethylene glycol or other media.
Referring to fig. 2, 3, 6-10, in some embodiments of the present invention, the cross-system heat exchanger 30 doubles as at least one of the first heat exchanger 12A and the second heat exchanger 12B. Referring to fig. 3 and 6, the cross-system heat exchanger 30 doubles as the first heat exchanger 12A. Referring to fig. 2, 7, and 9, one cross-system heat exchanger 30, 30A doubles as the second heat exchanger 12B. Referring to fig. 8 and 10, the cross-system heat exchangers 30a,30b double as the first heat exchanger 12A and the second heat exchanger 12B. According to the utility model discloses an example under air conditioning subsystem 10's refrigeration operating mode, first heat exchanger 12A is as the condenser to second heat exchanger 12B is as the evaporimeter, and under air conditioning subsystem 10's the operating mode that heats, first heat exchanger 12A is as the evaporimeter to second heat exchanger 12B is as the condenser.
In the embodiment shown in fig. 6 and 8, the cross-system heat exchangers 30 and 30C double as the first heat exchanger 12A, the first heat exchanger 12A serves as an evaporator, the second heat exchanger 12B serves as a condenser, the cross-system heat exchangers 30 and 30C serve as the evaporator, and the cross-system heat exchangers can selectively release heat obtained from the phase-change heat exchange subsystem in the second loop 31B under the heating condition of the air conditioning subsystem 10.
In the embodiment shown in fig. 6 and 8, the cross-system heat exchangers 30 and 30C double as the first heat exchanger 12A, and in the heating condition, the first heat exchanger 12A serves as an evaporator, and the second heat exchanger 12B serves as a condenser, and the cross-system heat exchangers 30 and 30C can selectively release heat obtained from the phase change heat exchange subsystem 20 in the second loop 31B. The phase-change heat-exchange subsystem 20 is used in a heat pump system, the first heat exchanger 12A serving as an outdoor unit operates at a temperature lower than a dew point, and frosting is easy to occur, and by using the heat exchangers shown in fig. 11 and 12, the frost generated on the surface of the first heat exchanger 12A is eliminated by the heat exchange medium of the phase-change heat-exchange subsystem 20 at the temperature higher than the dew point, so that a frosting and defrosting period can be greatly shortened, and even uninterrupted heating and timely defrosting can be realized.
Referring to fig. 4, 5, 7, 8, in some embodiments of the present invention, the first loop 31A of the cross-system heat exchanger 30, 30B is connected between the first heat exchanger 12A and the second heat exchanger 12B of the air conditioning subsystem 10, such that the heat exchange medium discharged from the compressor 11 enters the cross-system heat exchanger 30, 30B after passing through one of the first heat exchanger 12A and the second heat exchanger 12B, and then enters the other of the first heat exchanger 12A and the second heat exchanger 12B.
Referring to fig. 1-5 and 7-10, in some embodiments of the present invention, the air conditioning subsystem 10 further includes an expansion device 13, and the expansion device 13 is connected between the first heat exchanger 12A and the second heat exchanger 12B of the air conditioning subsystem 10, so that the heat exchange medium discharged from the compressor 11 enters the expansion device 13 after passing through one of the first heat exchanger 12A and the second heat exchanger 12B, and then enters the other of the first heat exchanger 12A and the second heat exchanger 12B.
In the embodiment shown in fig. 2, taking the cooling condition of the air conditioning subsystem 10 as an example, the first heat exchanger 12A serves as a condenser, the second heat exchanger 12B serves as an evaporator, and the cross-system heat exchanger 30 doubles as the second heat exchanger 12B. The cross-system heat exchanger 30 can selectively absorb the cold obtained from the phase-change heat exchange subsystem 20 in the second loop 31B. When the phase-change heat exchange subsystem 20 starts to work, the phase-change heat exchange subsystem 20 releases energy, so that the refrigerating capacity of the air conditioning system 100 is improved, and the energy efficiency ratio of the air conditioning system 100 is improved. When the phase-change heat-exchange subsystem 20 is inactive, the air conditioning subsystem 10 operates normally.
In the embodiment shown in fig. 3, taking the heating condition of the air conditioning subsystem 10 as an example, the first heat exchanger 12A serves as a condenser, the second heat exchanger 12B serves as an evaporator, and the cross-system heat exchanger 30 doubles as the first heat exchanger 12A. The cross-system heat exchanger is capable of selectively rejecting heat obtained from the phase change heat exchange subsystem in a second loop. When the phase-change heat-exchange subsystem 20 stops working, the air-conditioning subsystem 10 works normally, the first heat exchanger 12A is only used for the air-conditioning subsystem 10, and the heat exchange area between the first heat exchanger 12A and air is effectively utilized. When the phase-change heat exchange subsystem 20 is operational, the air conditioning subsystem 10 may not be operational. Therefore, the heating capacity of the air conditioning system 100 can be improved, and the energy efficiency ratio and the comfort of the air conditioning system 100 can be improved.
Referring to fig. 4 in some embodiments of the present invention, the first heat exchanger 12A functions as a condenser and the second heat exchanger 12B functions as an evaporator, the first loop 31A of the cross-system heat exchanger 30 is connected between the expansion device 13 of the air conditioning subsystem 10 and the second heat exchanger 12B functions as an evaporator, and the phase-change heat exchange subsystem 20 reduces the temperature of the heat exchange medium expanded by the expansion device 13 by the cross-system heat exchanger 30 to reduce the dryness of the heat exchange medium. The cross-system heat exchanger 30 may be a plate heat exchanger.
In the embodiment shown in fig. 4, the phase-change heat exchange subsystem 20 participates in the operation of the air conditioning subsystem 10. Before the second heat exchanger 12B, i.e., the evaporator, of the cross-system heat exchanger 30, the temperature of the expanded heat exchange medium is reduced by the phase-change heat exchange subsystem 20, so that the dryness of the heat exchange medium can be reduced, the two-phase flow is more uniformly distributed in the second heat exchanger 12B serving as the evaporator, even the heat exchange medium is changed into a single-phase liquid heat exchange medium, and then enters the second heat exchanger 12B serving as the evaporator, so that the problem of distribution of the two-phase heat exchange medium is solved.
Referring to fig. 5, in some embodiments of the present invention, the first heat exchanger 12A functions as a condenser, and the second heat exchanger 12B functions as an evaporator, the first loop 31A of the cross-system heat exchanger 30 is connected between the first heat exchange of the air conditioning subsystem 10 as a condenser and the expansion device 13, and the phase-change heat exchange subsystem 20 reduces the temperature of the heat exchange medium condensed by the condenser by the cross-system heat exchanger 30 to increase the supercooling degree of the heat exchange medium. The cross-system heat exchanger 30 may be a plate heat exchanger.
In the embodiment shown in FIG. 5, the phase-change heat exchange subsystem 20 participates in the operation of the air conditioning subsystem 10. The cross-system heat exchanger 30 follows the first heat exchanger 12A, i.e., the condenser. The phase-change heat exchange subsystem 20 can obtain enough supercooling degree of the heat exchange medium, so that the design requirements of the condenser and the compressor can be reduced.
Referring to fig. 6 and 7, in some embodiments of the present invention, the first heat exchanger 12A in fig. 7 is modified according to the embodiment shown in fig. 6, i.e., the heat exchange loop 22 of the phase-change heat exchange subsystem 20 further comprises a third heat exchange loop; the inter-system heat exchanger 30 further comprises a third inter-system heat exchanger, the third inter-system heat exchanger comprises a first loop and a second loop, the first loop of the third inter-system heat exchanger is connected with the air conditioning subsystem 10 to enable the heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first loop of the third inter-system heat exchanger, and the second loop of the third inter-system heat exchanger is connected with a third heat exchange loop of the phase change heat exchange subsystem 20 to enable the heat exchange medium in the loop formed by the second loop of the third inter-system heat exchanger and the third heat exchange loop of the phase change heat exchange subsystem 20 to selectively exchange heat with the phase change material contained in the phase change material container 21.
Referring to fig. 7, 8, 10, in some embodiments of the present invention, the heat exchange loop 22 of the phase-change heat exchange subsystem 20 includes a first heat exchange loop 22A and a second heat exchange loop 22B. The cross-system heat exchanger 30 includes a first cross-system heat exchanger 30A and a second cross-system heat exchanger 30B. The first cross-system heat exchanger 30A includes a first loop 31A and a second loop 31B, the first loop 31A of the first cross-system heat exchanger 30A is connected with the air conditioning subsystem 10 to enable the heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first loop 31A of the first cross-system heat exchanger 30A, and the second loop 31B of the first cross-system heat exchanger 30A is connected with the first heat exchange loop 22A of the phase-change heat subsystem 20 to enable the heat exchange medium in the loop formed by the second loop 31B of the first cross-system heat exchanger 30A and the first heat exchange loop 22A to selectively exchange heat with the phase-change material contained in the phase-change material container 21. The second cross-system heat exchanger 30B includes a first loop 31A and a second loop 31B, the first loop 31A of the second cross-system heat exchanger 30B is connected with the air-conditioning subsystem 10 to enable the heat exchange medium of the air-conditioning subsystem 10 to selectively flow through the first loop 31A of the second cross-system heat exchanger 30B, and the second loop 31B of the second cross-system heat exchanger 30B is connected with the second heat exchange loop 22B of the phase-change heat exchange subsystem 20 to enable the heat exchange medium in the loop formed by the second loop 31B of the phase-change heat exchange subsystem 20 and the second heat exchange loop 22B of the second cross-system heat exchanger 30B to selectively exchange heat with the phase-change material contained in the phase-change material container 21, and the heat exchange medium in the first loop 31A of the second cross-system heat exchanger 30B in the second cross-system heat exchanger 30B is capable of exchanging heat with the heat exchange medium in the second loop 31B of the second cross-system heat exchanger 30B. In some examples of the present invention, the heat exchange medium in the first loop 31A of the first cross-system heat exchanger 30A can exchange heat with the heat exchange medium in the second loop 31B of the first cross-system heat exchanger 30A in the first cross-system heat exchanger 30A.
In an example of the present invention, referring to fig. 7 and 8, the air conditioning subsystem 10 further includes an expansion device 13, the expansion device 13 is connected between the first heat exchanger 12A and the second heat exchanger 12B of the air conditioning subsystem 10, so that the heat exchange medium discharged from the compressor 11 enters the expansion device 13 after passing through one of the first heat exchanger 12A and the second heat exchanger 12B, and then enters the other of the first heat exchanger 12A and the second heat exchanger 12B. The first loop 31A of the second cross-system heat exchanger 30B is connected between the expansion device 13 of the air conditioning subsystem 10 and the second heat exchanger 12B to enable the heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first loop 31A of the second cross-system heat exchanger 30B. The second cross-system heat exchanger 30B may be a plate heat exchanger.
In the embodiment shown in fig. 7 and 8, the first cross-system heat exchanger 30A doubles as the second heat exchanger 12B, the second heat exchanger 12B serves as an evaporator, the first cross-system heat exchanger 30A can utilize the phase-change heat exchange subsystem 20 for cooling, and the second cross-system heat exchanger 30B can utilize the air conditioning subsystem 10 to lower the temperature of the phase-change material of the phase-change heat exchange subsystem 20 contained in the phase-change material container 21. In the air conditioning system 100 shown in fig. 7 and 8, the air conditioning subsystem 10 or the phase change heat exchange subsystem 20 may be selectively operated to perform cooling.
Referring to fig. 10, in some embodiments of the present invention, the first cross-system heat exchanger 30A doubles as the second heat exchanger 12B, and the second cross-system heat exchanger 30B doubles as the first heat exchanger 12A. Referring to fig. 10, in some embodiments of the present invention, 19. The air conditioning system 100 further comprises: a pump 51, wherein the pump 51 is connected between the first heat exchange loop 22A of the phase-change heat exchange subsystem 20 and the second loop 31B of the first cross-system heat exchanger 30A to promote the flow of the heat exchange medium in the loop formed by the first heat exchange loop 22A of the phase-change heat exchange subsystem 20 and the second loop 31B of the first cross-system heat exchanger 30A; and the phase-change heat exchange subsystem compressor 25 and the phase-change heat exchange subsystem expansion device 26 are connected between the second heat exchange loop 22B of the phase-change heat exchange subsystem 20 and the second loop 31B of the second cross-system heat exchanger 30B to compress and expand the heat exchange medium in the loop formed by the second heat exchange loop 22B of the phase-change heat exchange subsystem 20 and the second loop 31B of the second cross-system heat exchanger 30B. The phase-change heat exchange subsystem compressor 25, the phase-change heat exchange subsystem expansion device 26, the second heat exchange loop 22B of the phase-change heat exchange subsystem 20, and the second loop 31B of the second cross-system heat exchanger 30B constitute a refrigeration system to cool the phase-change material of the phase-change heat exchange subsystem 20 contained in the phase-change material container 21.
Referring to fig. 8, in some embodiments of the present invention, the cross-system heat exchanger 30 includes a first cross-system heat exchanger 30A and a second cross-system heat exchanger 30B. The first cross-system heat exchanger 30A includes a first loop 31A and a second loop 31B, the first loop 31A of the first cross-system heat exchanger 30A is connected with the air conditioning subsystem 10 to enable the heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first loop 31A of the first cross-system heat exchanger 30A, and the second loop 31B of the first cross-system heat exchanger 30A is connected with the first heat exchange loop 22A of the phase-change heat subsystem 20 to enable the heat exchange medium in the loop formed by the second loop 31B of the first cross-system heat exchanger 30A and the first heat exchange loop 22A to selectively exchange heat with the phase-change material contained in the phase-change material container 21. The second cross-system heat exchanger 30B includes a first loop 31A and a second loop 31B, the first loop 31A of the second cross-system heat exchanger 30B is connected with the air-conditioning subsystem 10 to enable the heat exchange medium of the air-conditioning subsystem 10 to selectively flow through the first loop 31A of the second cross-system heat exchanger 30B, and the second loop 31B of the second cross-system heat exchanger 30B is connected with the first heat exchange loop 22A of the phase-change heat exchange subsystem 20 to enable the heat exchange medium in the loop formed by the first loop 31A of the phase-change heat exchange subsystem 20 and the second heat exchange loop 22B of the second cross-system heat exchanger 30B to selectively exchange heat with the phase-change material contained in the phase-change material container 21, and the heat exchange medium in the first loop 31A of the second cross-system heat exchanger 30B in the second cross-system heat exchanger 30B is enabled to exchange heat with the heat exchange medium in the second loop 31B of the second cross-system heat exchanger 30B, and the first cross-system heat exchange medium in the loop 31A of the second cross-system heat exchanger 30B is connected in parallel with the first loop 31A of the phase-change heat exchange subsystem heat exchanger 30B and the second heat exchange subsystem 22B. Referring to fig. 8, according to an example of the present invention, the air conditioning system 100 further comprises a pump 51, the pump 51 is connected between the first heat exchange loop 22A of the phase change heat exchange subsystem 20 and the second loop 31B of the first cross-system heat exchanger 30A and the second loop 31B of the second cross-system heat exchanger 30B to promote the flow of the heat exchange medium in the loop formed by the first heat exchange loop 22A of the phase change heat exchange subsystem 20 and the second loop 31B of the first cross-system heat exchanger 30A and promote the flow of the heat exchange medium in the loop formed by the first heat exchange loop 22A of the phase change heat exchange subsystem 20 and the second loop 31B of the second cross-system heat exchanger 30B. In some examples of the present invention, the heat exchange medium in the first loop 31A of the first cross-system heat exchanger 30A can exchange heat with the heat exchange medium in the second loop 31B of the first cross-system heat exchanger 30A in the first cross-system heat exchanger 30A.
In the embodiment shown in fig. 10, the first heat exchange loop 22A of the heat exchange loop 22 of the phase-change heat exchange subsystem 20 may utilize the phase-change heat exchange subsystem 20 and the second heat exchanger 12B, i.e., an evaporator, to refrigerate, and may utilize the air conditioning subsystem 10 and the first heat exchanger 12A, i.e., a condenser, to lower the temperature of the phase-change material of the phase-change heat exchange subsystem 20 contained within the phase-change material container 21, and the phase-change heat exchange subsystem compressor 25 and the phase-change heat exchange subsystem expansion device 26 may utilize electrical energy to cool the phase-change material within the phase-change material container 21 at a power valley to utilize the phase-change material within the phase-change material container 21 to refrigerate at a power peak. In addition, the phase change material in the phase change material container 21 may be cooled by electric energy generated by solar energy during daytime.
Referring to fig. 7-10, in some embodiments of the present invention, the first cross-system heat exchanger 30A doubles as the second heat exchanger 12B, and in the cooling mode of the air conditioning subsystem 10, the first heat exchanger 12A serves as a condenser and the second heat exchanger 12B serves as an evaporator.
Referring to fig. 8, in some embodiments of the present invention, the heat exchange loop 22 of the phase-change heat exchange subsystem 20 includes a first heat exchange loop 22A and a second heat exchange loop 22B. The cross-system heat exchanger 30 includes: a first cross-system heat exchanger 30A; a second cross-system heat exchanger 30B; and a third cross-system heat exchanger 30C. The first cross-system heat exchanger 30A comprises a first loop 31A and a second loop 31B, the first loop 31A of the first cross-system heat exchanger 30A is connected with the air conditioning subsystem 10 to enable the heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first loop 31A of the first cross-system heat exchanger 30A, and the second loop 31B of the first cross-system heat exchanger 30A is connected with the first heat exchange loop 22A of the phase-change heat subsystem 20 to enable the heat exchange medium in the loop formed by the second loop 31B of the first cross-system heat exchanger 30A and the first heat exchange loop 22A to selectively exchange heat with the phase-change material contained in the phase-change material container 21; the second cross-system heat exchanger 30B comprises a first loop 31A and a second loop 31B, the first loop 31A of the second cross-system heat exchanger 30B is connected with the air conditioning subsystem 10 to enable the heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first loop 31A of the second cross-system heat exchanger 30B, and the second loop 31B of the second cross-system heat exchanger 30B is connected with the first heat exchange loop 22A of the phase-change heat subsystem 20 to enable the heat exchange medium in the loop of the first loop 31A of the phase-change heat subsystem 20 and the second heat exchange loop 22B of the second cross-system heat exchanger 30B to selectively exchange heat with the phase-change material contained within the phase-change material container 21, and the heat exchange medium in the first loop 31A of the second cross-system heat exchanger 30B in the second cross-system heat exchanger 30B is connectable with the heat exchange medium in the second loop 31B of the second cross-system heat exchanger 30B in the second cross-system heat exchanger 30B, the first cross-system heat exchanger 30A is connected with the second loop 31B of the second heat exchange medium loop 31B of the second cross-system heat exchanger 30B in parallel with the second heat exchange loop 31A of the second heat exchange subsystem 20B; and the third inter-system heat exchanger 30C includes a first loop 31A and a second loop 31B, the first loop 31A of the third inter-system heat exchanger 30C is connected with the air conditioning subsystem 10 to enable the heat exchange medium of the air conditioning subsystem 10 to selectively flow through the first loop 31A of the third inter-system heat exchanger 30C, and the second loop 31B of the third inter-system heat exchanger 30C is connected with the second heat exchange loop 22B of the phase-change heat subsystem 20 to enable the heat exchange medium in the loop formed by the second loop 31B of the third inter-system heat exchanger 30C and the second heat exchange loop 22B of the phase-change heat subsystem 20 to selectively exchange heat with the phase-change material contained in the phase-change material container 21. In some examples of the present invention, the heat exchange medium in the first loop 31A of the first cross-system heat exchanger 30A can exchange heat with the heat exchange medium in the second loop 31B of the first cross-system heat exchanger 30A in the first cross-system heat exchanger 30A. In some examples of the present invention, the heat exchange medium in the first loop 31A of the third cross-system heat exchanger 30C in the third cross-system heat exchanger 30C can exchange heat with the heat exchange medium in the second loop 31B of the third cross-system heat exchanger 30C.
According to an example of the present invention, the first cross system heat exchanger 30A doubles as the second heat exchanger 12B, and the third cross system heat exchanger 30C doubles as the first heat exchanger 12A. In the heating operation condition of the air conditioning subsystem 10, the first heat exchanger 12A functions as an evaporator, and the second heat exchanger 12B functions as a condenser.
In the embodiment shown in fig. 8, the cross-system heat exchanger 30A may utilize the phase-change heat exchange subsystem 20 for cooling, the cross-system heat exchanger 30B may utilize the air conditioning subsystem 10 for reducing the temperature of the phase-change material of the phase-change heat exchange subsystem 20 contained in the phase-change material container 21, and the cross-system heat exchanger 30C may utilize the phase-change heat exchange subsystem 20 for defrosting the first heat exchanger 12A during the heating condition of the air conditioning subsystem 10.
Referring to fig. 9, in some embodiments of the present invention, the cross-system heat exchanger 30 doubles as the second heat exchanger 12B, and the first heat exchanger 12A functions as a condenser and the second heat exchanger 12B functions as an evaporator under the cooling condition of the air conditioning subsystem 10. The heat exchange loop 22 of the phase-change heat exchange subsystem 20 comprises a first heat exchange loop 22A and a second heat exchange loop 22B, and the second loop 31B of the cross-system heat exchanger 30 is connected with the first heat exchange loop 22A of the phase-change heat exchange subsystem 20 so that the heat exchange medium in the loop formed by the second loop 31B and the first heat exchange loop 22A can selectively exchange heat with the phase-change material contained in the phase-change material container 21. The second heat exchange loop 22B is connected to the air conditioning subsystem 10 in parallel with the first loop 31A of the cross-system heat exchanger 30 to enable the heat exchange medium in the air conditioning subsystem 10 to selectively exchange heat with the phase change material contained in the phase change material container 21 through the second heat exchange loop 22B.
In the embodiment shown in fig. 9, the first heat exchange loop 22A of the heat exchange loop 22 of the phase-change heat exchange subsystem 20 may utilize the phase-change heat exchange subsystem 20 to perform cooling and may utilize the air conditioning subsystem 10 to lower the temperature of the phase-change material of the phase-change heat exchange subsystem 20 contained within the phase-change material container 21, while the second heat exchange loop 22B of the heat exchange loop 22 of the phase-change heat exchange subsystem 20 may utilize the phase-change heat exchange subsystem 20 to defrost the first heat exchanger 12A during the heating condition of the air conditioning subsystem 10.
Referring to fig. 11 and 12, in some embodiments of the present invention, the cross-system heat exchanger 30 includes: a first heat exchange tube 32A for forming the first circuit 31A and a second heat exchange tube 32B for forming the second circuit 31B, at least some of the plurality of first heat exchange tube groups and at least some of the plurality of second heat exchange tube groups being alternately arranged, each of the first heat exchange tube groups including at least one first heat exchange tube 32A, and each of the second heat exchange tube groups including at least one second heat exchange tube 32B. The cross-system heat exchanger 30 further includes a header 33 and fins arranged alternately with the heat exchange tubes. In the case where the cross-system heat exchanger 30 doubles as the first heat exchanger 12A and the second heat exchanger 12B, the heat exchangers shown in fig. 11 and 12 may be used as the cross-system heat exchanger 30.
In other embodiments of the present invention, the cross-system heat exchanger 30 is a plate heat exchanger. In the case where the cross-system heat exchanger 30 does not double as the first heat exchanger 12A and the second heat exchanger 12B, the cross-system heat exchanger 30 may be a plate heat exchanger. The heat exchange medium in the second loop 31B of the cross-system heat exchanger 30 may be water or ethylene glycol.
According to the utility model discloses an embodiment can improve the efficiency of heat exchanger effectively, can utilize the electric energy to cool off or heat the phase change material in the phase change material container 21 simultaneously when the power consumption trough to utilize the phase change material in the phase change material container 21 to refrigerate or heat when using the electric wave crest. In addition, the phase change material in the phase change material container 21 can be cooled or heated by electric energy generated by solar energy in the daytime, so that the phase change material in the phase change material container 21 can be utilized for cooling or heating in the evening, and an air conditioning system independent of a power grid is achieved.
Furthermore, according to the utility model discloses an air conditioning system has improved the distribution of the heat transfer medium of evaporimeter, can utilize the phase change material in the phase change material container 21 effectively to defrost the heat exchanger under the operating mode of heating to and reduced the load of compressor when too high exhaust temperature.
According to the utility model discloses an air conditioning system improves heat exchange efficiency to it is energy-conserving. Since existing parts of a conventional air conditioning system are used as much as possible and the parts are used efficiently, the air conditioning system according to an embodiment of the present invention can reduce the cost of the system. Due to the heat exchanger shown in fig. 11 and 12, the air conditioning system according to the embodiment of the present invention can save space. Furthermore, according to the utility model discloses an air conditioning system has improved the homogeneity that the double-phase heat transfer medium of evaporimeter distributes to can reduce the designing requirement of compressor and heat exchanger to a certain extent, make the system have bigger inclusion.
Due to the heat exchangers shown in fig. 11 and 12, the air conditioning system according to the embodiment of the present invention can use the heat exchange area (fins) of the heat exchanger with the air for the air conditioning subsystem 10 when the phase change heat exchange subsystem 20 stops working. Similarly, when the air-conditioning subsystem 10 stops working, the heat exchange area (fins) between the heat exchanger and the air is used for the phase-change heat exchange subsystem 20, so that the heat exchange area of the heat exchanger is effectively utilized, and the heat exchange efficiency is improved.
Claims (28)
1. An air conditioning system characterized by comprising:
an air conditioning subsystem, the air conditioning subsystem comprising: a compressor; a first heat exchanger as one of a condenser and an evaporator; and a second heat exchanger as the other of the condenser and the evaporator, the compressor, the first heat exchanger, and the second heat exchanger being connected in order from the compressor to the second heat exchanger through the first heat exchanger;
a phase change heat exchange subsystem, said phase change heat exchange subsystem comprising: a phase change material container; a phase change material contained within a phase change material container; and a heat exchange loop disposed in the phase change material container; and
the system-crossing heat exchanger comprises a first loop and a second loop, the first loop is connected with the air-conditioning subsystem so that the heat exchange medium of the air-conditioning subsystem can selectively flow through the first loop, and the second loop is connected with the heat exchange loop of the phase-change heat exchange subsystem so that the heat exchange medium in the loop formed by the second loop and the heat exchange loop of the phase-change heat exchange subsystem can selectively exchange heat with the phase-change material contained in the phase-change material container.
2. The air conditioning system of claim 1, wherein:
the cross-system heat exchanger doubles as at least one of the first and second heat exchangers.
3. The air conditioning system of claim 2, wherein:
the cross-system heat exchanger doubles as the first heat exchanger, the first heat exchanger acts as an evaporator, and the second heat exchanger acts as a condenser, the cross-system heat exchanger being capable of selectively rejecting heat obtained from the phase change heat exchange subsystem in a second loop.
4. The air conditioning system of claim 2, wherein:
the cross-system heat exchanger is also used as the second heat exchanger, the first heat exchanger is used as a condenser, the second heat exchanger is used as an evaporator, and the cross-system heat exchanger can selectively absorb cold energy obtained from the phase change heat exchange subsystem in a second loop.
5. The air conditioning system of claim 2, wherein:
the cross-system heat exchanger doubles as the first heat exchanger, the first heat exchanger acts as a condenser, and the second heat exchanger acts as an evaporator, the cross-system heat exchanger being capable of selectively rejecting heat obtained from the phase change heat exchange subsystem in a second loop.
6. The air conditioning system of claim 1, wherein:
the first loop of the cross-system heat exchanger is connected between the first heat exchanger and the second heat exchanger of the air conditioning subsystem, so that the heat exchange medium discharged by the compressor enters the cross-system heat exchanger after passing through one of the first heat exchanger and the second heat exchanger and then enters the other of the first heat exchanger and the second heat exchanger.
7. The air conditioning system of claim 1, wherein:
the heat exchange medium in the first loop is capable of exchanging heat with the heat exchange medium in the second loop in the cross-system heat exchanger.
8. The air conditioning system of claim 1, wherein:
the air conditioning subsystem further includes an expansion device connected between the first and second heat exchangers of the air conditioning subsystem such that the heat exchange medium discharged by the compressor enters the expansion device after passing through one of the first and second heat exchangers and then enters the other of the first and second heat exchangers.
9. The air conditioning system of claim 8, wherein:
the first heat exchanger is used as a condenser, the second heat exchanger is used as an evaporator, the first loop of the cross-system heat exchanger is connected between the expansion device of the air-conditioning subsystem and the second heat exchanger used as the evaporator, and the phase-change heat exchange subsystem reduces the temperature of the heat exchange medium expanded by the expansion device through the cross-system heat exchanger.
10. The air conditioning system of claim 8, wherein:
the first heat exchanger is used as a condenser, the second heat exchanger is used as an evaporator, the first loop of the cross-system heat exchanger is connected between the first heat exchange device, serving as the condenser, of the air conditioning subsystem and the expansion device, and the temperature of a heat exchange medium condensed by the condenser is reduced by the cross-system heat exchanger of the phase-change heat exchange subsystem.
11. The air conditioning system of claim 1, wherein:
the heat exchange loop of the phase-change heat exchange subsystem comprises a first heat exchange loop and a second heat exchange loop;
the cross-system heat exchanger comprises a first cross-system heat exchanger and a second cross-system heat exchanger,
the first cross-system heat exchanger comprises a first loop and a second loop, the first loop of the first cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the first cross-system heat exchanger, and the second loop of the first cross-system heat exchanger is connected with a first heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the first cross-system heat exchanger and the first heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with a phase change material contained in a phase change material container; and
the second cross-system heat exchanger comprises a first loop and a second loop, the first loop of the second cross-system heat exchanger is connected with the air-conditioning subsystem so that the heat exchange medium of the air-conditioning subsystem can selectively flow through the first loop of the second cross-system heat exchanger, the second loop of the second cross-system heat exchanger is connected with the second heat exchange loop of the phase-change heat exchange subsystem so that the heat exchange medium in the loop formed by the second loop of the phase-change heat exchange subsystem and the second heat exchange loop of the second cross-system heat exchanger can selectively exchange heat with the phase-change material contained in the phase-change material container, and the heat exchange medium in the first loop of the second cross-system heat exchanger in the second cross-system heat exchanger can exchange heat with the heat exchange medium in the second loop of the second cross-system heat exchanger.
12. The air conditioning system of claim 1, wherein:
the heat exchange loop of the phase-change heat exchange subsystem comprises a first heat exchange loop;
the cross-system heat exchanger comprises a first cross-system heat exchanger and a second cross-system heat exchanger,
the first cross-system heat exchanger comprises a first loop and a second loop, the first loop of the first cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the first cross-system heat exchanger, and the second loop of the first cross-system heat exchanger is connected with a first heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the first cross-system heat exchanger and the first heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with a phase change material contained in a phase change material container; and
the second cross-system heat exchanger comprises a first loop and a second loop, the first loop of the second cross-system heat exchanger is connected with the air-conditioning subsystem so that a heat exchange medium of the air-conditioning subsystem can selectively flow through the first loop of the second cross-system heat exchanger, the second loop of the second cross-system heat exchanger is connected with the first heat exchange loop of the phase-change heat exchange subsystem so that the heat exchange medium in a loop formed by the first loop of the phase-change heat exchange subsystem and the second heat exchange loop of the second cross-system heat exchanger can selectively exchange heat with the phase-change material contained in the phase-change material container, the heat exchange medium in the first loop of the second cross-system heat exchanger in the second cross-system heat exchanger can exchange heat with the heat exchange medium in the second loop of the second cross-system heat exchanger, and the second loop of the first cross-system heat exchanger and the second cross-system heat exchanger are connected in parallel to the first heat exchange loop of the phase-change heat exchange subsystem.
13. The air conditioning system of claim 11, wherein:
the heat exchange loop of the phase-change heat exchange subsystem further comprises a third heat exchange loop;
the cross-system heat exchanger further comprises a third cross-system heat exchanger,
the third cross-system heat exchanger comprises a first loop and a second loop, the first loop of the third cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the third cross-system heat exchanger, and the second loop of the third cross-system heat exchanger is connected with a third heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the third cross-system heat exchanger and the third heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with a phase change material contained in a phase change material container.
14. The air conditioning system as set forth in claim 12, wherein:
the heat exchange loop of the phase-change heat exchange subsystem also comprises a second heat exchange loop;
the cross-system heat exchanger further comprises a third cross-system heat exchanger,
the third cross-system heat exchanger comprises a first loop and a second loop, the first loop of the third cross-system heat exchanger is connected with an air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop of the third cross-system heat exchanger, and the second loop of the third cross-system heat exchanger is connected with a second heat exchange loop of a phase change heat exchange subsystem so that the heat exchange medium in a loop formed by the second loop of the third cross-system heat exchanger and the second heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with a phase change material contained in a phase change material container.
15. The air conditioning system as claimed in any one of claims 11, 12, 13 and 14, wherein:
the air conditioning subsystem further comprising an expansion device connected between the first and second heat exchangers of the air conditioning subsystem such that heat exchange medium discharged from the compressor enters the expansion device after passing through one of the first and second heat exchangers and then enters the other of the first and second heat exchangers,
the first circuit of the second cross-system heat exchanger is connected between an expansion device of the air conditioning subsystem and the second heat exchanger to enable a heat exchange medium of the air conditioning subsystem to selectively flow through the first circuit of the second cross-system heat exchanger.
16. The air conditioning system according to any one of claims 11 to 14, characterized in that:
the first cross-system heat exchanger doubles as a second heat exchanger, the first heat exchanger serves as a condenser, and the second heat exchanger serves as an evaporator.
17. The air conditioning system as claimed in claim 13 or 14, wherein:
the first cross-system heat exchanger doubles as a second heat exchanger, and the third cross-system heat exchanger doubles as the first heat exchanger.
18. The air conditioning system as set forth in claim 17, wherein:
the first heat exchanger acts as an evaporator and the second heat exchanger acts as a condenser.
19. The air conditioning system as claimed in any one of claims 11, 12, 13 and 14, wherein:
the second cross-system heat exchanger is a plate heat exchanger.
20. The air conditioning system as claimed in claim 12 or 14, further comprising:
a pump connected between the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger and the second loop of the second cross-system heat exchanger to promote flow of the heat exchange medium in the loop formed by the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger and promote flow of the heat exchange medium in the loop formed by the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the second cross-system heat exchanger.
21. The air conditioning system of claim 1, wherein:
the cross-system heat exchanger doubles as the second heat exchanger, the first heat exchanger acts as a condenser, and the second heat exchanger acts as an evaporator,
the heat exchange loop of the phase-change heat exchange subsystem comprises a first heat exchange loop and a second heat exchange loop,
the second loop of the cross-system heat exchanger is connected with the first heat exchange loop of the phase-change heat exchange subsystem so that the heat exchange medium in the loop formed by the second loop and the first heat exchange loop can selectively exchange heat with the phase-change material contained in the phase-change material container,
the second heat exchange loop and the first loop of the cross-system heat exchanger are connected in parallel to the air-conditioning subsystem so that the heat exchange medium in the air-conditioning subsystem can selectively exchange heat with the phase-change material contained in the phase-change material container through the second heat exchange loop.
22. The air conditioning system of claim 11, wherein:
the first cross-system heat exchanger doubles as the second heat exchanger, and the second cross-system heat exchanger doubles as the first heat exchanger.
23. The air conditioning system of claim 22, further comprising:
a pump connected between the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger to promote flow of a heat exchange medium in a loop formed by the first heat exchange loop of the phase change heat exchange subsystem and the second loop of the first cross-system heat exchanger; and
the phase-change heat exchange subsystem comprises a phase-change heat exchange subsystem compressor and a phase-change heat exchange subsystem expansion device, wherein the phase-change heat exchange subsystem compressor and the phase-change heat exchange subsystem expansion device are connected between a second heat exchange loop of the phase-change heat exchange subsystem and a second loop of the second cross-system heat exchanger so as to compress and expand heat exchange media in a loop formed by the second heat exchange loop of the phase-change heat exchange subsystem and the second loop of the second cross-system heat exchanger.
24. The air conditioning system as claimed in any one of claims 2, 3, 21, 22 and 23, wherein:
the cross-system heat exchanger includes: the heat exchanger comprises a first heat exchange tube for forming a first loop and a second heat exchange tube for forming a second loop, at least some of the plurality of first heat exchange tube sets and at least some of the plurality of second heat exchange tube sets being arranged alternately, each first heat exchange tube set comprising at least one first heat exchange tube and each second heat exchange tube set comprising at least one second heat exchange tube.
25. An air conditioning system as claimed in any one of claims 6, 9 and 10, wherein:
the cross-system heat exchanger is a plate heat exchanger.
26. An air conditioning system as set forth in claim 25, wherein:
the heat exchange medium in the second loop of the cross-system heat exchanger is water or glycol.
27. The air conditioning system as claimed in any one of claims 4, 9, 10, 18 and 21, wherein:
the condenser and the evaporator refer to the air conditioning system under the refrigeration working condition.
28. The air conditioning system according to claim 3 or 5, wherein:
the condenser and the evaporator refer to the air conditioning system under the heating condition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769450.7U CN217979087U (en) | 2022-04-02 | 2022-04-02 | Air conditioning system |
| PCT/CN2023/083602 WO2023185664A1 (en) | 2022-04-02 | 2023-03-24 | Air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769450.7U CN217979087U (en) | 2022-04-02 | 2022-04-02 | Air conditioning system |
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| CN217979087U true CN217979087U (en) | 2022-12-06 |
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| CN202220769450.7U Active CN217979087U (en) | 2022-04-02 | 2022-04-02 | Air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185664A1 (en) * | 2022-04-02 | 2023-10-05 | 丹佛斯有限公司 | Air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185664A1 (en) * | 2022-04-02 | 2023-10-05 | 丹佛斯有限公司 | Air conditioning system |
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