CN115143668B - Heat exchanging device - Google Patents
Heat exchanging device Download PDFInfo
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- CN115143668B CN115143668B CN202110337318.9A CN202110337318A CN115143668B CN 115143668 B CN115143668 B CN 115143668B CN 202110337318 A CN202110337318 A CN 202110337318A CN 115143668 B CN115143668 B CN 115143668B
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- 239000003507 refrigerant Substances 0.000 claims abstract description 121
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 26
- 230000008676 import Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000004781 supercooling Methods 0.000 description 10
- 230000010354 integration Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application discloses a heat exchange device, which comprises a first heat exchange unit and a second heat exchange unit, wherein a third plate is arranged between the first heat exchange unit and the second heat exchange unit, the first heat exchange unit comprises a first heat exchange channel and a second heat exchange channel which are adjacently arranged, the first heat exchange channel is used for circulating a refrigerant, and the second heat exchange channel is used for circulating a heat exchange fluid; the second heat exchange unit comprises a third heat exchange channel and a fourth heat exchange channel which are adjacently arranged, and the first heat exchange channel is directly or indirectly communicated with the third heat exchange channel; the heat exchange device further comprises a first expansion valve and a communication structure, the communication structure comprises a first inlet, a first outlet and a second outlet, the first outlet is communicated with the inlet of the first expansion valve, the outlet of the first expansion valve is communicated with the inlet of the fourth heat exchange channel, part of refrigerant flows into the fourth heat exchange channel after flowing through the first expansion valve, part of refrigerant after being expanded by the first expansion valve exchanges heat with the refrigerant in the third heat exchange channel, and the heat exchange performance of the heat exchanger is improved.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat exchange device.
Background
The heat exchange system generally comprises a compressor, a condenser, an expansion valve and an evaporator, in order to improve the heat exchange performance of the heat exchange system, an intermediate heat exchanger is generally additionally arranged in the heat exchange system, the intermediate heat exchanger comprises a supercooling side and an evaporating side, all the refrigerant flowing out of the supercooling side flows into the evaporating side to exchange heat with the supercooling side refrigerant after being expanded by the expansion valve, so that the supercooling degree of the supercooling side is improved, the ratio of gaseous refrigerant in the refrigerant flowing into the expansion valve is reduced, but when the refrigerant flowing through the evaporating side of the intermediate heat exchanger further flows into the evaporator of the system, the heat exchange performance of the whole heat exchange system is affected due to the fact that the temperature is increased after the refrigerant flows through the evaporating side of the intermediate heat exchanger, and the heat exchange performance of the evaporator is affected.
Disclosure of Invention
The application improves the heat exchange device, and improves the heat exchange performance of part of heat exchangers on the premise of not affecting the heat exchange performance of the whole heat exchange system.
The embodiment of the application provides a heat exchange device, which comprises a heat exchanger, wherein the heat exchanger comprises a first heat exchange unit and a second heat exchange unit, the first heat exchange unit comprises a plurality of first plates which are arranged in a stacked manner, the second heat exchange unit comprises a plurality of second plates which are arranged in a stacked manner, and a third plate is arranged between the first heat exchange unit and the second heat exchange unit;
A heat exchange channel is arranged between the adjacent first plates, the heat exchange channel comprises a first heat exchange channel and a second heat exchange channel which are arranged adjacently, the first heat exchange channel is used for circulating a refrigerant, and the second heat exchange channel is used for circulating a heat exchange fluid;
A heat exchange channel is arranged between the adjacent second plates, the heat exchange channel comprises a third heat exchange channel and a fourth heat exchange channel which are arranged adjacently, and the first heat exchange channel is directly or indirectly communicated with the third heat exchange channel;
the heat exchange device further comprises a first expansion valve and a communication structure, wherein the communication structure comprises a first inlet, a first outlet and a second outlet, the first expansion valve comprises a first expansion valve inlet and a first expansion valve outlet, the first outlet is communicated with the first expansion valve inlet, the first expansion valve outlet is communicated with the inlet of the fourth heat exchange channel, part of refrigerant flows into the fourth heat exchange channel after flowing through the first expansion valve, and the other part of refrigerant flows out through the second outlet.
According to the heat exchange device disclosed by the embodiment of the application, the first heat exchange channel is directly or indirectly communicated with the third heat exchange channel, the first heat exchange channel and the third heat exchange channel are sequentially supplied for the circulation of the same refrigerant, the second heat exchange channel is supplied for the circulation of heat exchange fluid, the refrigerant in the first heat exchange channel exchanges heat with the heat exchange fluid in the second heat exchange channel, the first outlet of the communication structure is communicated with the inlet of the first expansion valve, the outlet of the first expansion valve is communicated with the inlet of the fourth heat exchange channel, part of refrigerant flows into the fourth heat exchange channel to exchange heat with the refrigerant in the third heat exchange channel after being expanded by the first expansion valve, the other part of refrigerant flows out through the second outlet, the temperature of the refrigerant after flowing through the first expansion valve is lower than the temperature of the refrigerant in the third heat exchange channel, so that the supercooling degree of the refrigerant in the third heat exchange channel is improved, the heat exchange performance of the heat exchanger is improved, and only part of the refrigerant in the third heat exchange channel is required to exchange heat with the refrigerant in the fourth heat exchange channel after being expanded by the first expansion valve, and the whole heat exchange performance of the refrigerant is guaranteed after flowing into the third heat exchange channel and the whole heat exchange system is ensured.
Drawings
FIG. 1 is a schematic illustration of a first fluid flow direction of a heat exchange device of the present application;
FIG. 2 is a schematic illustration of a second fluid flow direction of the heat exchange device of the present application;
FIG. 3 is a schematic illustration of a third fluid flow direction of the heat exchange device of the present application;
FIG. 4 is a schematic illustration of a fourth fluid flow direction of the heat exchange device of the present application;
FIG. 5 is a schematic perspective view of an embodiment of a heat exchange device of the present application;
FIG. 6 is a schematic view of a portion of the internal structure of the heat exchange device of FIG. 5;
FIG. 7 is a schematic illustration of a fifth fluid flow direction of the heat exchange device of the present application;
FIG. 8 is a schematic perspective view of a heat exchange device according to another embodiment of the present application;
FIG. 9 is a schematic view of a portion of the internal structure of the heat exchange device of FIG. 8;
FIG. 10 is a schematic illustration of a sixth fluid flow direction of the heat exchange device of the present application;
FIG. 11 is a schematic view showing the internal structure of another embodiment of the heat exchange device of the present application;
FIG. 12 is a schematic view of another portion of the internal structure of the heat exchange device of FIG. 11;
FIG. 13 is a schematic view of a seventh fluid flow direction of the heat exchange device of the present application;
FIG. 14 is a schematic illustration of an eighth fluid flow direction of the heat exchange device of the present application;
FIG. 15 is a schematic illustration of a ninth fluid flow direction of the heat exchange device of the present application;
FIG. 16 is a schematic view of a heat exchange channel of a heat exchanger according to the present application;
FIG. 17 is a schematic view of another embodiment of a heat exchange channel of a heat exchanger according to the present application;
FIG. 18 is a schematic view of a heat exchange channel of a heat exchanger according to the present application;
FIG. 19 is a schematic view of a fluid flow through heat exchange channels of a heat exchanger according to the present application;
FIG. 20 is a schematic view of another fluid flow direction of a heat exchange channel of a heat exchanger according to the present application;
fig. 21 is a schematic view of still another fluid flow direction of the heat exchange channels of the heat exchanger of the present application.
Detailed Description
Referring to fig. 1-21, the present application provides a heat exchange device 100, including a heat exchanger 1, where the heat exchanger 1 includes a first heat exchange unit 10 and a second heat exchange unit 20, the first heat exchange unit 10 includes a plurality of first plates 11 stacked and disposed, the second heat exchange unit 20 includes a plurality of second plates 21 stacked and disposed, a third plate 50 is disposed between the first heat exchange unit 10 and the second heat exchange unit 20, a heat exchange channel may be disposed between the third plate 50 and the first plates 11, a heat exchange channel may also be disposed between the third plate 50 and the second plates 21, at least a portion of the heat exchange channels of the first heat exchange unit 10 and at least a portion of the heat exchange channels of the second heat exchange unit 20 are directly or indirectly communicated, specifically, heat exchange channels formed between adjacent first plates 11 and between the third plate 50 and the first plates 11, the heat exchange channels include a first heat exchange channel 12 and a second heat exchange channel 13 disposed adjacent to each other, wherein a plurality of holes 3 and a plurality of second heat exchange channels 12 may also be disposed between the third plate 50 and the first plates 11, a second heat exchange channel 13 may also be disposed between the third plate 50 and the first plates 11, a plurality of holes 3 may be disposed between the first plates 11 and the first heat exchange channels 12 and the second heat exchange channels 13, and the second heat exchange channels may be alternately disposed between the first channels and the second channels 13 and the second heat exchange channels 13.
The heat exchange channels are formed between the adjacent second plate 21 and the third plate 50 and the second plate 21, the heat exchange channels comprise a third heat exchange channel 22 and a fourth heat exchange channel 23 which are adjacently arranged, the second plate 21 is provided with a plurality of corner holes 3 which are respectively communicated with the third heat exchange channel 22 and the fourth heat exchange channel 23, wherein the third plate 50 and the second plate 21 can be provided with a third heat exchange channel 22 or a fourth heat exchange channel 23, the third heat exchange channel 22 and the fourth heat exchange channel 23 are supplied with refrigerants with different temperatures to circulate, the refrigerants in the third heat exchange channel 22 are in heat exchange with the refrigerants in the fourth heat exchange channel 23, the first heat exchange channel 12 is directly or indirectly communicated with the third heat exchange channel 22, so that the refrigerants which are subjected to heat exchange with the heat exchange fluid in the second heat exchange channel 13 are led into the third heat exchange channel 22, specifically, a communication hole 51 can be arranged on the third plate 50, the corner holes 3 of the first plate 11 in the first heat exchange channel 12 are directly communicated with the corner holes 3 of the second plate 21 in the third heat exchange channel 22 through the communication hole 51, the communication hole 1 is not required to be directly connected with the other communication holes through a heat exchange device, and an interface is also required to be arranged in the communication channel through a pipeline, and other communication element can be omitted, and can be communicated through a pipeline or other interface.
The heat exchange device 100 further includes the first expansion valve 60 and the communication structure 70, the communication structure 70 may be a three-way structure, or a multi-way structure with three or more ways, the communication structure 70 includes the first inlet 71, the first outlet 72 and the second outlet 73, the communication structure 70 may be disposed upstream or downstream of the third heat exchange channel 22, the first expansion valve 60 includes the first expansion valve inlet 61 and the first expansion valve outlet 62, the first outlet 72 is in communication with the first expansion valve inlet 61, the first expansion valve outlet 62 is in communication with the inlet 231 of the fourth heat exchange channel 23, a part of the refrigerant entering the communication structure from the first inlet 71 flows through the first expansion valve 60 and flows into the fourth heat exchange channel 23, another part of the refrigerant flows out through the second outlet 73, wherein if the refrigerant entering from the first inlet is recorded as 100%, the refrigerant flowing out of the first outlet 72 may be controlled to be about 20%, the refrigerant flowing out of the second outlet 73 may be controlled to be about 80%, if the communication structure 70 is disposed upstream of the third heat exchange channel 22, a part of the other refrigerant flows out of the second outlet 73 flows out of the third heat exchange channel 22, and the other part of the refrigerant flows into the second heat exchange channel 80, and flows out of the whole heat exchange channel, for example, after the other part flows into the second outlet 73 flows into the second heat exchange channel. According to the heat exchange device 100 of the embodiment of the application, the first heat exchange channel 12 is directly or indirectly communicated with the third heat exchange channel 22, the first heat exchange channel 12 and the third heat exchange channel 22 are sequentially supplied with the same refrigerant, the second heat exchange channel 13 is supplied with heat exchange fluid for circulation, the heat exchange fluid of the first heat exchange channel 12 and the second heat exchange channel 13 exchange heat in the first heat exchange unit 10, the first outlet 72 of the communication structure 70 is communicated with the first expansion valve inlet 61, the first expansion valve outlet 62 is communicated with the inlet 231 of the fourth heat exchange channel, part of refrigerant flows into the fourth heat exchange channel 23 to exchange heat with the refrigerant in the third heat exchange channel 22 after being expanded by the first expansion valve 60, the other part of refrigerant flows out through the second outlet 73, the temperature of the refrigerant after flowing through the first expansion valve 60 is lower than the temperature of the refrigerant in the third heat exchange channel 22, so that the supercooling degree of the refrigerant in the third heat exchange channel 22 is improved, the heat exchange performance of the heat exchanger 1 is improved, and the temperature difference between the refrigerant in the third heat exchange channel 22 and the refrigerant in the fourth heat exchange channel 23 is large, and the refrigerant can be guaranteed to flow into the heat exchange system through the third heat exchange channel 22 after the first expansion valve 60 and the third heat exchange channel 23, and the refrigerant in the whole refrigerant can flow out of the heat exchange channel 23 only through the second heat exchange channel 23.
In some embodiments, as shown in fig. 1-12, the communication structure 70 is disposed downstream of the third heat exchange channel 22, as shown in fig. 1, the first heat exchange channel 12 and the third heat exchange channel 22 are directly communicated through the communication hole 51 of the third plate 50, the refrigerant in the first heat exchange channel 12 exchanges heat with the second heat exchange channel 13 and flows into the third heat exchange channel 22, the outlet of the third heat exchange channel 22 is communicated with the first inlet 71 of the communication structure 70, the first outlet 72 of the communication structure 70 is communicated with the first expansion valve inlet 61, the first expansion valve outlet 62 is communicated with the inlet 231 of the fourth heat exchange channel, part of the refrigerant in the third heat exchange channel 22 flows into the fourth heat exchange channel 23 to exchange heat with the refrigerant in the third heat exchange channel 22 after being expanded by the first expansion valve 60, and as the temperature of the refrigerant in the first expansion valve 60 is lower than the temperature of the refrigerant in the third heat exchange channel 22, thereby improving the heat exchange effect of the heat exchanger 1, and the other part of the refrigerant in the third heat exchange channel 22 flows out of the communication structure 70 through the second expansion valve inlet 231 and further improving the heat exchange performance of the refrigerant in the fourth heat exchange channel 23.
In some embodiments, as shown in fig. 2, the heat exchange device 100 is further provided with a second expansion valve 80, the second expansion valve 80 includes a second expansion valve inlet 81 and a second expansion valve outlet 82, the second outlet 73 of the flow structure 70 is communicated with the second expansion valve inlet 81, another part of the refrigerant in the third heat exchange channel 22 flows out through the second outlet 73 of the communication structure 70 and flows into the second expansion valve 80 to be expanded, so as to enter the downstream of the whole heat exchange system, as shown in fig. 3, the heat exchange device 100 is further provided with an evaporator 2, and the refrigerant expanded by the second expansion valve 80 further flows into the evaporator 2 to be evaporated. The refrigerant in the third heat exchange channel 22 exchanges heat with the refrigerant in the fourth heat exchange channel 23, so that the supercooling degree of the refrigerant in the third heat exchange channel 22 is improved, the temperature of the refrigerant is further reduced, most of the refrigerant flows out through the second outlet 73 of the communication structure 70, the temperature of the refrigerant is further reduced after the refrigerant is expanded through the second expansion valve 80, and the heat exchange performance of the evaporator 2 is improved, namely, part of the refrigerant flowing through the third heat exchange channel 22 flows into the fourth heat exchange channel 23 to exchange heat with the refrigerant in the third heat exchange channel 22 after being expanded through the first expansion valve 60, and most of the refrigerant flows into the evaporator 2 to exchange heat through the second expansion valve 80, and meanwhile, the heat exchange performance of the heat exchanger 1 and the evaporator 2 is improved, and although the flow rate of the refrigerant flowing into the evaporator 2 is reduced, the heat exchange performance of the whole heat exchange system is improved as a whole.
In some embodiments, the heat exchanger 1 includes a first side plate 30 and a second side plate 40, the first side plate 30 is located at the outer side of the first heat exchange unit 10, the second side plate 40 is located at the outer side of the second heat exchange unit 20, as shown in fig. 1-12, six interfaces are provided on the first side plate 30 and the second side plate 40, the inlet 131 of the second heat exchange channel and the outlet 132 of the second heat exchange channel are located at the first side plate 30, the inlet 231 of the fourth heat exchange channel and the outlet 232 of the fourth heat exchange channel are located at the second side plate 40, the third plate 50 is provided with a communication hole 51, the outlet 122 of the first heat exchange channel is directly communicated with the inlet 221 of the third heat exchange channel through the communication hole 51, the inlet 121 of the first heat exchange channel and the outlet 222 of the third heat exchange channel can be simultaneously provided at the first side plate 30 or the second side plate 40 or respectively provided at the first side plate 30 and the second side plate 40, as shown in fig. 1-4, the inlet 131 of the first heat exchange channel and the outlet 132 of the second heat exchange channel are provided at the first side plate 30, the inlet 131 of the third heat exchange channel and the outlet 132 of the third heat exchange channel are provided at the second side plate 30, the inlet 122 is directly communicated with the inlet of the third heat exchange channel and the third heat exchange channel is not directly at the inlet 221 of the first heat exchange unit, and the inlet of the third heat exchange channel is directly communicated with the first heat exchange channel is not provided with the inlet 1, and the inlet of the fourth heat exchange channel is directly connected with the inlet 1, and the inlet of the third heat exchange channel is directly connected with the inlet 1 through the inlet through the communication hole, and directly is directly connected.
As shown in fig. 7, the inlet 121 of the first heat exchange channel and the outlet 222 of the third heat exchange channel may be disposed on the first side plate 30, that is, the inlet 121 of the first heat exchange channel, the inlet 131 of the second heat exchange channel, the outlet 132 of the second heat exchange channel and the outlet 222 of the third heat exchange channel are disposed on the first side plate 30, and the inlet 231 of the fourth heat exchange channel and the outlet 232 of the fourth heat exchange channel are disposed on the second side plate 40, or as shown in fig. 10, the inlet 121 of the first heat exchange channel and the outlet 222 of the third heat exchange channel may be disposed on the second side plate 40, that is, the inlet 121 of the first heat exchange channel, the outlet 222 of the third heat exchange channel, the inlet 231 of the fourth heat exchange channel and the outlet 232 of the fourth heat exchange channel are disposed on the first side plate 30, and the inlet and outlet of the fourth heat exchange channel are disposed on the second side plate 40, so that the inlet and outlet of the heat exchange channels for refrigerant flow are higher than the inlet and outlet of the heat exchange channels for the refrigerant flow are disposed on the same side plate, thereby facilitating the connection of the integrated valve body and the integrated system.
In some embodiments, as shown in FIGS. 4-6, the inlet 121 of the first heat exchange channel is located on the first side plate 30, the outlet 222 of the third heat exchange channel is located on the second side plate 40, the second side plate 40 is provided with a valve body 63, the valve body 63 is provided with a first channel 631 and a second channel 632, the first channel 631 communicates with the outlet 222 of the third heat exchange channel, at least a portion of the first expansion valve 60 is located on the first channel 631, the first expansion valve inlet 61 communicates with the outlet 222 of the third heat exchange channel, a portion of the refrigerant in the third heat exchange channel 22 flows into the first expansion valve 60 for expansion, the first expansion valve outlet 62 communicates with the second channel 632, the second channel 632 communicates with the inlet 231 of the fourth heat exchange channel, the expanded refrigerant flows into the second channel 632 through the first expansion valve outlet 62, and thus flows into the fourth heat exchange channel 23, the first expansion valve 60 is mounted through the valve body 63 on the second side plate 40, whereby the first expansion valve 60 is integrated into the heat exchanger 1, wherein the communication structure 70 may be formed by the valve body 63, the inlet of the first channel 631 of the valve body 63 may serve as the first inlet of the communication structure 70, the outlet of the first channel of the valve body 63 may be provided in two, the first expansion valve 60 communicates with one outlet of the valve body 63, i.e. one outlet of the first channel 631 of the valve body 63 forms the first outlet of the communication structure 70, the other outlet of the first channel 631 of the valve body 63 forms the second outlet of the communication structure 70, in addition, the first expansion valve 60 may also communicate with the second channel 632 of the valve body 63, in particular, at least part of the first expansion valve 60 is located in the second channel 632, the first expansion valve 60 communicates with the inlet 231 of the fourth heat exchange channel through the second channel 632 of the valve body 63, the reliability of the connection between the first expansion valve 60 and the inlet 231 of the fourth heat exchange channel is improved, the inlet of the first channel 631 of the valve body 63 forms the first inlet of the communication structure, the inlet of the first channel 631 of the valve body 63 communicates with the outlet 222 of the third heat exchanging channel, two outlets of the first channel 631 of the valve body 63 may be provided, the first expansion valve 60 communicates with one outlet of the valve body 63, i.e., one outlet of the first channel 631 of the valve body 63 forms the first outlet of the communication structure 70, and the other outlet of the first channel 631 of the valve body 63 forms the second outlet of the communication structure 70, thereby fixing the first expansion valve 60 on the side plate of the heat exchanger 1 through the valve body 63, and realizing the function of the communication structure 70 through the valve body 63, improving the integration degree of the heat exchanging apparatus 100. Of course, the valve body 63 may not be provided with the second channel 632 which is communicated with the fourth heat exchange channel inlet 231, and the refrigerant flowing out through the first expansion valve outlet 62 may be communicated with the fourth heat exchange channel inlet 231 through a pipeline, and by providing the second channel 632, the integration level of the heat exchange device 100 is improved, so that the structure is simpler.
In some embodiments, as shown in fig. 7 to 9, the inlet 121 of the first heat exchange channel and the outlet 222 of the third heat exchange channel are both located on the first side plate 30, the first side plate 30 is provided with the valve body 63, the valve body 63 is provided with the first channel 631 and the second channel 632, the heat exchange device is further provided with the flow guiding tube 633, the flow guiding tube 633 penetrates through the first heat exchange unit 10 and the third plate 50, the third plate 50 is sealed and fixed with the flow guiding tube 633, one end of the flow guiding tube 633 is communicated with the first channel 631 of the valve body 63, the other end of the flow guiding tube 633 is communicated with the outlet 222 of the third heat exchange channel, at least part of the first expansion valve 60 is located on the first channel 631, the second channel 632 is communicated with the inlet 121 of the first heat exchange channel, the first expansion valve 60 is integrated with the first side plate 30 of the heat exchanger 1 through the valve body 63, the integration degree of the heat exchange device 100 is improved, and the first heat exchange channel 12 is generally arranged in multiple flows to promote uniformity of distribution of refrigerant in the first heat exchange channel 12 of the first heat exchange unit 10, the flow guiding tube 633 and the structure of the flow guiding tube 633 and the valve body 63 facilitates the integration of the inlet 121 and the outlet 222 of the first heat exchange channel. Wherein, the first channel 631 of the valve body 63 may be provided with two outlets, one outlet of the first channel 631 is communicated with the inlet of the first expansion valve 60 to form a first outlet of the communication structure 70, the other outlet of the first channel 631 is formed to form a second outlet of the communication structure 70, the inlet of the first channel 631 is formed to form a first inlet of the communication structure 70, the communication structure 70 is formed by the valve body 63, in addition, the valve body 63 may not be provided with a second channel 632 communicated with the inlet 121 of the first heat exchange channel, and the inlet 121 of the first heat exchange channel and the outlet 222 of the third heat exchange channel are communicated with the valve body 63 by arranging a connecting pipe, thereby improving the reliability of the inlet-outlet structure
In some embodiments, as shown in fig. 10-12, the inlet 121 of the first heat exchange channel and the outlet 222 of the third heat exchange channel are both located on the second side plate 40, the second side plate 40 is provided with a valve body 63, the valve body 63 is provided with a first channel 631 and a second channel 632, the heat exchange device is further provided with a flow guiding tube 633, the flow guiding tube 633 penetrates through the second heat exchange unit 20 and the third plate 50, the third plate 50 is sealed and fixed with the flow guiding tube 633, one end of the flow guiding tube 633 is communicated with the first channel 631 of the valve body 63, the other end of the flow guiding tube 633 is communicated with the inlet 121 of the first heat exchange channel, at least part of the first expansion valve 60 is located on the first channel 631, and the first expansion valve 60 is integrated with the second side plate 40 of the heat exchanger 1 through the valve body 63, so as to improve the integration level of the heat exchange device 100. The first channel 631 of the valve body 63 may be provided with two outlets, one outlet of the first channel 631 is communicated with the inlet of the first expansion valve 60 to form a first outlet of the communication structure 70, the other outlet of the first channel 631 forms a second outlet of the communication structure 70, the inlet of the first channel 631 forms a first inlet of the communication structure 70, so that the communication structure 70 is formed by the valve body 63, in addition, the valve body 63 may not be provided with a second channel 632 which is communicated with the inlet 121 of the first heat exchange channel, and is communicated with the inlet 121 of the first heat exchange channel by a connecting pipe, so that the inlet 121 of the first heat exchange channel and the outlet 222 of the third heat exchange channel are both communicated with the valve body 63, thereby not only improving the reliability of the inlet-outlet structure, but also improving the integration degree of the heat exchange device 100.
In some embodiments, as shown in fig. 13-15, the communication structure 70 is disposed upstream of the third heat exchange channel 22, as shown in fig. 13, the third plate 50 is not provided with communication holes, the third plate 50 separates the first heat exchange unit 10 and the second heat exchange unit 20, the heat exchanger 1 includes a first side plate 30 and a second side plate 40, the first side plate 30 is located outside the first heat exchange unit 10, the second side plate 40 is located outside the second heat exchange unit 20, the inlet 121 of the first heat exchange channel, the outlet 122 of the first heat exchange channel, the inlet 131 of the second heat exchange channel and the outlet 132 of the second heat exchange channel are all located at the first side plate 30, the inlet 221 of the third heat exchange channel, the outlet 222 of the third heat exchange channel, the inlet 231 of the fourth heat exchange channel and the outlet 232 of the fourth heat exchange channel are all located at the second side plate 40, a communication structure 70 is arranged between the first heat exchange channel 12 and the third heat exchange channel 22, the first heat exchange channel 12 and the third heat exchange channel 22 are indirectly communicated through the communication structure 70, specifically, after the refrigerant in the first heat exchange channel 12 exchanges heat with the heat exchange fluid in the second heat exchange channel 13, the refrigerant flows out through the outlet 122 of the first heat exchange channel of the first side plate 30, the outlet 122 of the first heat exchange channel is communicated with the first inlet 71 of the communication structure 70, the first outlet 72 of the communication structure 70 is communicated with the first expansion valve inlet 61, the first expansion valve outlet 62 is communicated with the inlet 231 of the fourth heat exchange channel, the second outlet 73 of the communication structure 70 is communicated with the inlet 221 of the third heat exchange channel, the refrigerant flowing through the first heat exchange channel 12 is divided into two paths through the communication structure 70, one path flows into the third heat exchange channel 22 through the second outlet 73, the other path flows into the first expansion valve 60 through the first outlet 72, and flows into the fourth heat exchange channel 23 to exchange heat with the refrigerant in the third heat exchange channel 22 after being expanded, and as the temperature of the refrigerant expanded through the first expansion valve 60 is lower than that of the refrigerant in the third heat exchange channel 22, the supercooling degree of the refrigerant in the third heat exchange channel 22 is improved, and the heat exchange effect of the heat exchanger 1 is improved.
In some embodiments, as shown in fig. 14, the heat exchange device 100 is further provided with a second expansion valve 80, the second expansion valve 80 includes a second expansion valve inlet 81 and a second expansion valve outlet 82, an outlet 222 of the third heat exchange channel is communicated with the second expansion valve inlet 81, the refrigerant in the third heat exchange channel 22 flows into the second expansion valve 80 to expand, and then flows into the downstream of the whole heat exchange system, as shown in fig. 15, the heat exchange device 100 is further provided with an evaporator 2, and the refrigerant expanded by the second expansion valve 80 flows into the evaporator 2 to exchange heat. Most of the refrigerant flows into the third heat exchange channel 22 through the second outlet 73 of the communication structure 70, the refrigerant in the third heat exchange channel 22 exchanges heat with the refrigerant in the fourth heat exchange channel 23, so that the supercooling progress of the refrigerant in the third heat exchange channel 22 is improved, the temperature of the refrigerant is reduced, the temperature of the refrigerant is further reduced after the refrigerant is expanded through the second expansion valve 80, and the heat exchange performance of the evaporator 2 is improved, namely, a part of the refrigerant flowing through the first heat exchange channel 12 is expanded through the first expansion valve 60 and exchanges heat with the refrigerant in the third heat exchange channel 22, and most of the refrigerant flows into the evaporator 2 after being supercooled through the third heat exchange channel 22, flows into the second expansion valve 80 and exchanges heat with the evaporator 2, and meanwhile, the heat exchange performance of the heat exchanger 1 and the evaporator 2 is improved.
In some embodiments, as shown in fig. 3 and 15, the heat exchange device 100 is further provided with a liquid storage tank 90, the liquid storage tank 90 balances the pressure of the heat exchange system and filters impurities in the refrigerant, as shown in fig. 3, the liquid storage tank 90 is arranged between the third heat exchange channel 22 and the communication structure 70, the liquid storage tank 90 is provided with a liquid storage tank inlet 91 and a liquid storage tank outlet 92, the outlet 222 of the third heat exchange channel is communicated with the liquid storage tank inlet 91, the liquid storage tank outlet 92 is communicated with the first inlet 71 of the communication structure 70, the first outlet 72 of the communication structure is communicated with the first expansion valve 60, part of the refrigerant flows into the fourth heat exchange channel 23 after being expanded by the first expansion valve 60, the second outlet 73 of the communication structure 70 is communicated with the second expansion valve 80, wherein the outlet 222 of the third heat exchange channel is positioned on the second side plate 40, the liquid storage tank 90 is fixed with the second side plate 40, the liquid storage tank 90 is integrated on the second side plate 40 of the heat exchanger 1, the integration degree of the heat exchange device 100 is improved, the outlet 222 of the third heat exchange channel can also be arranged on the first side plate 30, and part of the refrigerant can be integrated on the first side plate 30 of the heat exchanger 1.
As shown in fig. 15, the liquid storage tank 90 is disposed between the first heat exchange channel 12 and the communication structure 70, the liquid storage tank 90 has a liquid storage tank inlet 91 and a liquid storage tank outlet 92, the outlet 122 of the first heat exchange channel is communicated with the liquid storage tank inlet 91, the liquid storage tank outlet 92 is communicated with the first inlet 71 of the communication structure 70, the first outlet 72 of the communication structure 70 is communicated with the first expansion valve 60, part of refrigerant flows into the fourth heat exchange channel 23 after being expanded by the first expansion valve 60, the second outlet 73 of the communication structure 70 is communicated with the inlet 221 of the third heat exchange channel, the outlet 222 of the third heat exchange channel is communicated with the inlet 81 of the second expansion valve, wherein the outlet 122 of the first heat exchange channel is located on the first side plate 30, the liquid storage tank 90 is fixed with the first side plate 30, the liquid storage tank 90 is integrated on the first side plate 30 of the heat exchanger 1, the integration degree of the heat exchange device 100 is improved, of course, the outlet 122 of the first heat exchange channel may also be disposed on the second side plate 40, and the liquid storage tank 90 may be integrated on the second side plate 40 of the heat exchanger 1.
As shown in fig. 16-18, the first plate 11 is provided with a first protrusion 14 protruding towards the first heat exchange channel 12 and a first groove 16 recessed away from the first heat exchange channel 12, the first plate 11 is provided with a second protrusion 15 protruding towards the second heat exchange channel 13 and a second groove 17 recessed away from the second heat exchange channel 13, the first groove 16 is positioned at the back of the second protrusion 15, the second groove 17 is positioned at the back of the first protrusion 14, at least part of the first protrusion 14 between adjacent first plates 11 is fixed in the first heat exchange channel 12, at least part of the second protrusion 15 between adjacent first plates 11 is fixed in the second heat exchange channel 13, and the flow area of the first heat exchange channel 12 is smaller than the flow area of the second heat exchange channel 13, wherein the first protrusion 14 and the second protrusion 15 can be corrugated protrusions or protrusions with other structures such as bumps.
In the embodiment provided by the application, as shown in fig. 16, the flow area of the first heat exchange channel 12 is smaller than the flow area of the second heat exchange channel 13, the flow area of the third heat exchange channel 22 is smaller than the flow area of the fourth heat exchange channel 23, and the flow area of the first heat exchange channel 12 is the same as the flow area of the third heat exchange channel 22, and the flow area of the second heat exchange channel 13 is the same as the flow area of the fourth heat exchange channel 23, namely, the first heat exchange unit 10 and the second heat exchange unit 20 adopt the same structure, specifically, the first plate 11 is provided with a first bulge 14 protruding towards the first heat exchange channel and a first groove 16 recessed away from the first heat exchange channel 12, the first plate 11 is provided with second protrusions 15 protruding towards the second heat exchange channels and second grooves 17 recessed away from the second heat exchange channels, the first grooves 16 being located at the back of the second protrusions 15, the second grooves 17 being located at the back of the first protrusions 14, wherein at least part of the first grooves 16 differ in depth and/or at least part of the second protrusions 15 differ in height, the flow area between adjacent first grooves 16 is smaller than the flow area between adjacent second grooves 17, the flow area of the first heat exchange channels 12 is smaller than the flow area of the second heat exchange channels 13, wherein the flow area of the first heat exchange channels 12 is smaller than the flow area of the second heat exchange channels 13, the refrigerant flows through the first heat exchange channel 12 with smaller flow area, the flow velocity of the refrigerant is improved, the welding area of the first heat exchange channel 12 can be increased due to the smaller flow area of the first heat exchange channel 12, the pressure bearing performance of the first heat exchange channel 12 is improved, the pressure bearing requirement of the refrigerant is met, the flow area of the second heat exchange channel 13 is larger, the pressure drop of the second heat exchange channel 13 can be reduced, the pressure drop requirement of heat exchange fluid is met, and although the flow velocity of the heat exchange fluid in the second heat exchange channel 13 is reduced, the flow of the heat exchange fluid in the second heat exchange channel 13 cannot cause excessive influence, and the heat exchange effect of the refrigerant in the first heat exchange channel 12 and the heat exchange fluid in the second heat exchange channel 13 is improved. The flow area of the third heat exchange channel 22 is smaller than that of the fourth heat exchange channel 23, specifically, the second plate 21 is provided with a third bulge 24 protruding towards the third heat exchange channel 22 and a third groove 26 sinking away from the third heat exchange channel 22, the second plate 21 is provided with a fourth bulge 25 protruding towards the fourth heat exchange channel 23 and a fourth groove 27 sinking away from the fourth heat exchange channel 23, the third groove 26 is positioned at the back of the fourth bulge 25, the fourth groove 27 is positioned at the back of the third bulge 24, wherein, the third bulge 24 and the fourth bulge 25 can be corrugated bulges or bulges with other structures such as convex points, at least part of the third grooves 26 are different in depth and/or at least part of the fourth protrusions 25 are different in height, and the flow area between adjacent third grooves 26 is smaller than the flow area between adjacent fourth grooves 27. Because the flow area of the third heat exchange channel 22 is smaller, the welding area of the third heat exchange channel 22 can be increased, and the pressure bearing capacity of the third heat exchange channel 22 is improved, so that the high-pressure refrigerant flows through the third heat exchange channel 22, and the expanded low-pressure refrigerant flows through the fourth heat exchange channel 23, so as to adapt to the pressure bearing requirements of different refrigerant states.
In some embodiments, as shown in fig. 17, the flow area of the first heat exchanging channel 12 is smaller than the flow area of the second heat exchanging channel 13, the flow area of the third heat exchanging channel 22 is smaller than the flow area of the fourth heat exchanging channel 23, but the flow area of the first heat exchanging channel 12 may be different from the flow area of the third heat exchanging channel 22, the flow area of the second heat exchanging channel 13 may be different from the flow area of the fourth heat exchanging channel 23, i.e. the first heat exchanging unit 10 and the second heat exchanging unit 20 may have different structures, in particular, the first plate 11 is provided with a first protrusion 14 protruding towards the first heat exchanging channel 12 and a first recess 16 recessed away from the first heat exchanging channel 12, the first plate 11 is provided with a second protrusion 15 protruding towards the second heat exchanging channel 13 and a second recess 17 recessed away from the second heat exchanging channel 13, the first grooves 16 are located at the back of the second protrusions 15, the second grooves 17 are located at the back of the first protrusions 14, wherein at least part of the first grooves 16 are different in depth and/or at least part of the second protrusions 15 are different in height, the flow area between adjacent first grooves 16 is smaller than the flow area between adjacent second grooves 17, the second plate is provided with third protrusions 24 protruding towards the third heat exchange channels and third grooves 26 recessed away from the third heat exchange channels, the second plate is provided with fourth protrusions 25 protruding towards the fourth heat exchange channels and fourth grooves 27 recessed away from the fourth heat exchange channels, the third grooves 26 are located at the back of the fourth protrusions 25, the fourth grooves 27 are located at the back of the third protrusions 24, the width of at least part of the third grooves 26 is smaller than the width of at least part of the fourth grooves 27, the flow area between adjacent third grooves 26 is smaller than the flow area between adjacent fourth grooves 27.
In other embodiments, as shown in fig. 18, the flow area of the first heat exchanging channel 12 is smaller than the flow area of the second heat exchanging channel 13, the flow area of the third heat exchanging channel 22 is the same as the flow area of the fourth heat exchanging channel 23, in particular, the first plate 11 is provided with a first protrusion 14 protruding towards the first heat exchanging channel 12 and a first recess 16 recessed away from the first heat exchanging channel 12, the first plate 11 is provided with a second protrusion 15 protruding towards the second heat exchanging channel and a second recess 17 recessed away from the second heat exchanging channel, the first recess 16 is located at the back of the second protrusion 15, the second recess 17 is located at the back of the first protrusion 14, wherein at least part of the first recesses 16 differ in depth and/or at least part of the second protrusions 15 differ in height, the flow area between the adjacent first grooves 16 is smaller than the flow area between the adjacent second grooves 17, the second plate is provided with a third bulge 24 protruding towards the third heat exchange channel and a third groove 26 sinking away from the third heat exchange channel, the second plate is provided with a fourth bulge 25 protruding towards the fourth heat exchange channel and a fourth groove 27 sinking away from the fourth heat exchange channel, the third groove 26 is positioned on the back of the fourth bulge 25, the fourth groove 27 is positioned on the back of the third bulge 24, the flow area between the adjacent third grooves 26 is the same as the flow area between the adjacent fourth grooves 27, and the third heat exchange channel 22 and the fourth heat exchange channel 23 occupy the same structure as the heat exchange area of the heat exchanger 1 is smaller, so that the structure is simple, the manufacturing is convenient, and the cost is reduced.
It can be understood that the first heat exchange channel 12, the second heat exchange channel 13, the third heat exchange channel 22 and the fourth heat exchange channel 23 can adopt any other structure, so long as the flow area of the first heat exchange channel 12 is ensured to be smaller than that of the second heat exchange channel 13, thereby improving the pressure bearing performance of the first heat exchange channel 12, enabling the heat exchange fluid in the second heat exchange channel 13 to flow fast, improving the heat exchange effect of the heat exchange fluid and the refrigerant in the first heat exchange channel 12, and relieving the problem of high pressure drop of the second heat exchange channel 13 caused by high flow velocity.
In other specific embodiments, as shown in fig. 19, the heat exchanger 1 has a first side and a second side along the width direction of the heat exchanger 1, the inlet 121 of the first heat exchange channel and the outlet 122 of the first heat exchange channel are located on the first side of the heat exchanger 1, the direction shown by solid lines in the drawing is the flow direction of the refrigerant in the first heat exchange channel 12, the inlet 131 of the second heat exchange channel and the outlet 132 of the second heat exchange channel are located on the second side of the heat exchanger 1, the direction shown by broken lines in the drawing is the flow direction of the heat exchange fluid in the second heat exchange channel 13, the first heat exchange channel 12 and the second heat exchange channel 13 are in a single-side flow manner, as shown in fig. 20, the inlet 221 of the third heat exchange channel and the outlet 222 of the third heat exchange channel are located on the first side and the second side of the heat exchanger 1, the direction shown by solid lines in the drawing is the flow direction of the refrigerant in the third heat exchange channel 22, the inlet 231 of the fourth heat exchange channel and the outlet 232 of the fourth heat exchange channel are located on the first side and the second side of the heat exchange channel 1, the direction shown by broken lines in the drawing is the flow direction of the fourth heat exchange fluid in the fourth heat exchange channel 23, the cross heat exchange channel 20 and the cross heat exchange channel 23 is located in the third heat exchange channel 23.
In other specific embodiments, as shown in fig. 19, along the length direction of the heat exchanger 1, the heat exchanger 1 has a first end and a second end, the inlet 121 of the first heat exchange channel and the outlet 122 of the first heat exchange channel are respectively located at the first end and the second end of the heat exchanger 1, the direction shown by the solid line in the drawing is the flow direction of the refrigerant in the first heat exchange channel 12, the inlet 131 of the second heat exchange channel and the outlet 132 of the second heat exchange channel are respectively located at the first end and the second end of the heat exchanger 1, the direction shown by the dashed line in the drawing is the flow direction of the heat exchange fluid in the second heat exchange channel 13, in the first heat exchange unit 10, the flow direction of the refrigerant in the first heat exchange channel 12 and the flow direction of the heat exchange fluid in the second heat exchange channel 13 are both I-shaped loops, as shown in fig. 21, the direction shown by the solid line in the drawing is the flow direction of the refrigerant in the third heat exchange channel 22, the inlet 231 of the fourth heat exchange channel and the outlet 232 of the fourth heat exchange channel are respectively located at the second end of the heat exchanger 1, the direction shown by the dashed line in the drawing is the flow direction of the refrigerant in the third heat exchange channel 22, and the flow direction in the other of the heat exchange channel is the second heat exchange channel 23 is the flow in the form of the other of the heat exchange channel, and the flow in the first heat exchange channel is the form of the refrigerant in the form of the third heat exchange channel is the refrigerant in the fourth heat exchange channel is the flow in the form of the heat exchange channel is the flow in the third heat exchange channel is the refrigerant, and the flow in the form of the heat exchange channel is the refrigerant in the flow in the heat exchange channel is the form of the flow in the heat exchange channel is the flow in the form of the heat exchange channel is the flow in the heat exchange channel is the case.
The heat exchange device provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the invention. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (11)
1. The heat exchange device comprises a heat exchanger, wherein the heat exchanger comprises a first heat exchange unit and a second heat exchange unit, and is characterized in that the first heat exchange unit comprises a plurality of first plates which are arranged in a stacked manner, the second heat exchange unit comprises a plurality of second plates which are arranged in a stacked manner, and a third plate is arranged between the first heat exchange unit and the second heat exchange unit;
A heat exchange channel is arranged between the adjacent first plates, the heat exchange channel comprises a first heat exchange channel and a second heat exchange channel which are arranged adjacently, the first heat exchange channel is used for circulating a refrigerant, and the second heat exchange channel is used for circulating a heat exchange fluid;
A heat exchange channel is arranged between the adjacent second plates, the heat exchange channel comprises a third heat exchange channel and a fourth heat exchange channel which are arranged adjacently, and the first heat exchange channel is directly or indirectly communicated with the third heat exchange channel;
the heat exchange device further comprises a first expansion valve and a communication structure, wherein the communication structure comprises a first inlet, a first outlet and a second outlet, the first expansion valve comprises a first expansion valve inlet and a first expansion valve outlet, the first outlet is communicated with the first expansion valve inlet, the first expansion valve outlet is communicated with the inlet of the fourth heat exchange channel, part of refrigerant flows into the fourth heat exchange channel after flowing through the first expansion valve, and the other part of refrigerant flows out through the second outlet.
2. The heat exchange device of claim 1 wherein the outlet of the third heat exchange passage communicates with the first inlet of the communication structure, the heat exchange device further comprising a second expansion valve inlet and a second expansion valve outlet, the second outlet of the communication structure communicating with the second expansion valve inlet, a portion of the refrigerant flowing through the third heat exchange passage flowing into the first expansion valve, another portion of the refrigerant flowing through the third heat exchange passage flowing into the second expansion valve.
3. The heat exchange device according to claim 1, wherein an outlet of the first heat exchange passage communicates with a first inlet of the communication structure, a first outlet of the communication structure communicates with an inlet of the first expansion valve, a portion of the refrigerant flowing through the first heat exchange passage flows into the first expansion valve through the communication structure, a second outlet of the communication structure communicates with an inlet of the third heat exchange passage, and another portion of the refrigerant flowing through the first heat exchange passage flows into the third heat exchange passage through the communication structure.
4. The heat exchange device according to claim 1, wherein the heat exchanger includes a first side plate and a second side plate, the first side plate is located outside the first heat exchange unit, the second side plate is located outside the second heat exchange unit, an inlet of the second heat exchange channel and an outlet of the second heat exchange channel are located at the first side plate, an inlet of the fourth heat exchange channel and an outlet of the fourth heat exchange channel are located at the second side plate, the third plate is provided with a communication hole, an outlet of the first heat exchange channel and an inlet of the third heat exchange channel are directly communicated through the communication hole, and an outlet of the third heat exchange channel is communicated with the first inlet of the communication structure.
5. The heat exchange device of claim 4 wherein the inlet of the first heat exchange channel and the outlet of the third heat exchange channel are both located in the first side plate, the first side plate is provided with a valve body, the valve body is provided with a first channel and a second channel, the first channel is in communication with the outlet of the third heat exchange channel, at least a portion of the first expansion valve is located in the first channel, and the second channel is in communication with the inlet of the first heat exchange channel;
Or the inlet of the first heat exchange channel and the outlet of the third heat exchange channel are both positioned on the second side plate, the second side plate is provided with a valve body, the valve body is provided with a first channel and a second channel, the first channel is communicated with the outlet of the third heat exchange channel, at least part of the first expansion valve is positioned on the first channel, and the second channel is communicated with the inlet of the first heat exchange channel;
Or the inlet of the first heat exchange channel is positioned on the first side plate, the outlet of the third heat exchange channel is positioned on the second side plate, the second side plate is provided with a valve body, the valve body is provided with a first channel, the first channel is communicated with the outlet of the third heat exchange channel, and at least part of the first expansion valve is positioned on the first channel.
6. The heat exchange device of claim 4, wherein the outlet of the third heat exchange channel is located at the first side plate, the heat exchange device further comprising a liquid reservoir secured to the first side plate, the liquid reservoir comprising a reservoir inlet and a liquid reservoir outlet, the outlet of the third heat exchange channel being in communication with the reservoir inlet, the reservoir outlet being in communication with the first inlet of the communication structure;
Or the outlet of the third heat exchange channel is positioned on the second side plate, the heat exchange device further comprises a liquid storage tank, the liquid storage tank is fixed with the second side plate, the liquid storage tank comprises a liquid storage tank inlet and a liquid storage pipe outlet, the outlet of the third heat exchange channel is communicated with the liquid storage tank inlet, and the liquid storage tank outlet is communicated with the first inlet of the communication structure.
7. A heat exchange device according to claim 3, wherein the heat exchanger comprises a first side plate and a second side plate, the first side plate being located outside the first heat exchange unit, the second side plate being located outside the second heat exchange unit, the inlet of the first heat exchange channel, the outlet of the first heat exchange channel, the inlet of the second heat exchange channel and the outlet of the second heat exchange channel being located at the first side plate, the inlet of the third heat exchange channel, the outlet of the third heat exchange channel, the inlet of the fourth heat exchange channel and the outlet of the fourth heat exchange channel being located at the second side plate.
8. The heat exchange device of claim 7, further comprising a reservoir secured to the first plate or the second plate, the reservoir comprising a reservoir inlet and a reservoir tube outlet, the outlet of the first heat exchange channel being in communication with the reservoir inlet and the reservoir outlet being in communication with the first inlet of the communication structure.
9. The heat exchange device according to claim 1, further comprising a valve body, a flow guide pipe, a first side plate located outside the first heat exchange unit, and a second side plate located outside the second heat exchange unit, the third plate being provided with a communication hole through which an outlet of the first heat exchange channel is directly communicated with an inlet of the third heat exchange channel, the valve body being fixed to the first side plate, the valve body comprising a first channel and a second channel, the flow guide pipe penetrating the first heat exchange unit and the third plate, the third plate being fixed in sealing relation to the flow guide pipe, one end of the flow guide pipe being communicated with the first channel of the valve body, the other end of the flow guide pipe being communicated with the outlet of the third heat exchange channel, the inlet of the first heat exchange channel being communicated with the second channel of the valve body;
Or, the valve body is fixed with the second sideboard, the valve body includes first passageway and second passageway, the honeycomb duct runs through second heat transfer unit with third slab, third slab with the honeycomb duct is sealed fixed, the one end of honeycomb duct with the first passageway intercommunication of valve body, the other end of honeycomb duct with the import intercommunication of first heat transfer passageway, the export of third heat transfer passageway with the second passageway intercommunication of valve body.
10. The heat exchange device according to any one of claims 1-9, wherein the first plate is provided with a first protrusion protruding towards the first heat exchange channel and a first recess recessed away from the first heat exchange channel, the first plate is provided with a second protrusion protruding towards the second heat exchange channel and a second recess recessed away from the second heat exchange channel, the first recess is located at the back of the second protrusion, the second recess is located at the back of the first protrusion, at least part of the first protrusion between adjacent first plates is fixed in the first heat exchange channel, at least part of the second protrusion between adjacent first plates is fixed in the second heat exchange channel, and the flow area of the first heat exchange channel is smaller than the flow area of the second heat exchange channel;
the flow area of the third heat exchange channel is smaller than that of the fourth heat exchange channel, or the flow area of the third heat exchange channel is equal to that of the fourth heat exchange channel.
11. The heat exchange device according to any one of claims 1 to 9, wherein the heat exchanger has a first side and a second side in a width direction of the heat exchanger, the inlet of the first heat exchange channel and the outlet of the first heat exchange channel are located at the first side of the heat exchanger, the inlet of the second heat exchange channel and the outlet of the second heat exchange channel are located at the second side of the heat exchanger, the inlet of the third heat exchange channel and the outlet of the third heat exchange channel are located at the first side and the second side of the heat exchanger, respectively, and the inlet of the fourth heat exchange channel and the outlet of the fourth heat exchange channel are located at the first side and the second side of the heat exchanger, respectively;
Or along the length direction of the heat exchanger, the heat exchanger is provided with a first end and a second end, the inlet of the first heat exchange channel and the outlet of the first heat exchange channel are respectively positioned at the first end and the second end of the heat exchanger, the inlet of the second heat exchange channel and the outlet of the second heat exchange channel are respectively positioned at the first end and the second end of the heat exchanger, the inlet of the third heat exchange channel and the outlet of the third heat exchange channel are positioned at the first end of the heat exchanger, and the inlet of the fourth heat exchange channel and the outlet of the fourth heat exchange channel are positioned at the second end of the heat exchanger.
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| CN202110337318.9A CN115143668B (en) | 2021-03-30 | 2021-03-30 | Heat exchanging device |
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| CN202110337318.9A CN115143668B (en) | 2021-03-30 | 2021-03-30 | Heat exchanging device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328914A (en) * | 2011-01-14 | 2013-09-25 | 贝洱两合公司 | Heat exchanger |
| CN106440451A (en) * | 2016-08-26 | 2017-02-22 | 珠海格力电器股份有限公司 | Heat pump system and automobile with same |
| CN106918165A (en) * | 2015-12-25 | 2017-07-04 | 浙江三花汽车零部件有限公司 | A kind of heat-exchanger rig |
| CN109520176A (en) * | 2017-09-19 | 2019-03-26 | 杭州三花研究院有限公司 | Heat-exchanger rig |
-
2021
- 2021-03-30 CN CN202110337318.9A patent/CN115143668B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328914A (en) * | 2011-01-14 | 2013-09-25 | 贝洱两合公司 | Heat exchanger |
| CN106918165A (en) * | 2015-12-25 | 2017-07-04 | 浙江三花汽车零部件有限公司 | A kind of heat-exchanger rig |
| CN106440451A (en) * | 2016-08-26 | 2017-02-22 | 珠海格力电器股份有限公司 | Heat pump system and automobile with same |
| CN109520176A (en) * | 2017-09-19 | 2019-03-26 | 杭州三花研究院有限公司 | Heat-exchanger rig |
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