WO2022083674A1 - 一种换热器、换热组件及一种热管理*** - Google Patents
一种换热器、换热组件及一种热管理*** Download PDFInfo
- Publication number
- WO2022083674A1 WO2022083674A1 PCT/CN2021/125169 CN2021125169W WO2022083674A1 WO 2022083674 A1 WO2022083674 A1 WO 2022083674A1 CN 2021125169 W CN2021125169 W CN 2021125169W WO 2022083674 A1 WO2022083674 A1 WO 2022083674A1
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- WIPO (PCT)
- Prior art keywords
- plate
- heat exchange
- matching
- hole
- channel
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 66
- 238000004891 communication Methods 0.000 claims abstract description 53
- 239000003507 refrigerant Substances 0.000 claims description 69
- 239000000110 cooling liquid Substances 0.000 claims description 37
- 239000002826 coolant Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 abstract description 25
- 230000010354 integration Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 9
- 239000011148 porous material Substances 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00321—Heat exchangers for air-conditioning devices
- B60H1/00342—Heat exchangers for air-conditioning devices of the liquid-liquid type
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B39/00—Evaporators; Condensers
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/022—Evaporators with plate-like or laminated elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0246—Arrangements for connecting header boxes with flow lines
- F28F9/0251—Massive connectors, e.g. blocks; Plate-like connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0071—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0085—Evaporators
Definitions
- the present application relates to the field of fluid control, in particular to a heat exchanger, a heat exchange component and a thermal management system.
- thermal management systems include no less than two heat exchangers, such as plate evaporators. These heat exchangers and components are generally connected by pipelines and fixed in the system application. Due to the large number of components in the system, It will also make the piping connection of the system relatively complicated.
- the present application provides a heat exchanger, a heat exchange assembly and a thermal management system, which can simplify the pipeline connection of the thermal management system.
- the present application provides a heat exchanger, the heat exchanger includes two heat exchange areas, the two heat exchange areas can respectively have different functions, and the volume is small and easy to assemble, and at the same time provides a heat exchange area.
- the management system and the relatively simple heat exchange components applied to the thermal management system are implemented as follows:
- a heat exchanger includes a first heat exchange zone and a second heat exchange zone.
- the first heat exchange area includes a first plate
- the second heat exchange area includes a second plate
- the heat exchanger further includes a third plate and a fourth plate
- the main body of the third plate is located between the first plate and the fourth plate
- the main body of the fourth plate is located between the third plate and the second plate
- the second heat exchange area includes two fluid flow channels, and heat exchange can be performed between the two fluid flow channels
- the first heat exchange area includes the first heat exchange area.
- the channel, the second channel, and the second heat exchange zone include four channels: the first channel, the second channel, the third channel, and the fourth channel.
- the second heat exchange area has two channels on the side close to the first heat exchange area. Connected holes: a first hole, a second hole, and the second plate includes a first hole and a second hole.
- the fourth plate includes at least two matching holes, the third plate includes a matching hole arranged opposite to a matching hole of the fourth plate, and a matching hole of the fourth plate corresponds to and communicates with the matching hole of the third plate; The other matching hole of the plate corresponds to and communicates with one hole of the second plate.
- the third board may also include at least one matching portion, and a matching hole is provided in the matching portion; the fourth board includes at least two matching portions, each of which is provided with a matching hole; the matching portion of the third board is connected to the fourth board.
- One of the matching parts of the third plate is oppositely arranged and fixed by welding, the matching hole of the third plate in the matching part is relatively connected to a matching hole of the fourth plate; the second plate includes at least one matching part, and one of the holes is provided in the matching part ;
- Another matching part of the fourth plate is arranged opposite to the matching part of the second plate and fixed by welding, and another matching hole of the fourth plate is communicated with the hole in the matching part of the second plate;
- the pores communicate with one of the pores in the second heat exchange zone through the third plate and the fourth plate.
- the present application also provides a heat exchange assembly, including a throttling element, a connector and the heat exchanger provided in the above implementation manner, wherein the throttling element is relatively close to the first heat exchange zone and is fixed or limited to the heat exchanger.
- the heat exchange component includes a first interface, a second interface, a third interface, and a fourth interface.
- the connecting piece is fixedly arranged with the heat exchanger; the second hole of the first heat exchange zone is communicated with one fluid flow passage of the second heat exchange zone, and the inlet of the throttle element is communicated with another fluid flow passage of the second heat exchange zone,
- the outlet of the throttling element communicates with the first orifice of the first heat exchange zone.
- the first heat exchange area may include two fluid flow channels: a refrigerant flow channel and a cooling liquid flow channel, the refrigerant flow channel includes a first hole channel and a second hole channel, and the cooling liquid flow channel in the first heat exchange area includes a third hole channel and a first channel.
- Four-hole channel the refrigerant flow channel and a cooling liquid flow channel
- the refrigerant flow channel includes a first hole channel and a second hole channel
- the cooling liquid flow channel in the first heat exchange area includes a third hole channel and a first channel.
- the present application also provides a thermal management system, the thermal management system includes a refrigerant flow channel, and the thermal management system includes the above-mentioned heat exchange components; the thermal management system includes a compressor, a condenser, and at least one evaporator.
- the outlet is connected to the first interface through a pipeline or a liquid accumulator is also included between the outlet of the condenser and the first interface, the inlet of the compressor is connected to the second interface, and the inlet of the evaporator is connected to the third interface or the vehicle thermal management system is connected to the evaporator.
- a throttle element is also included between the inlet of the evaporator and the third interface, and the outlet of the evaporator communicates with the fourth interface.
- the heat exchanger is provided with four plates, so that the two heat exchange areas with different functions can be welded to form an integrated structure.
- the second channel of the first heat exchange area is connected to a channel of the second heat exchange area, the assembly is relatively convenient, and the structure of the heat exchanger can be relatively small.
- FIG. 1 is a three-dimensional schematic diagram of a heat exchange assembly provided by the application.
- FIG. 2 is a second schematic perspective view of a heat exchange assembly provided by the application.
- Fig. 3 is the schematic diagram of this heat exchange assembly
- Fig. 4 is the schematic diagram of the A-A direction sectional view of the heat exchange assembly shown in Fig. 3;
- Fig. 5 is a partial enlarged schematic view of an embodiment of Fig. 4;
- FIG. 6 is a partial enlarged schematic view of another embodiment of the heat exchange assembly.
- Fig. 7 is the exploded schematic diagram of this heat exchange assembly
- FIG. 8 is an exploded schematic view of the second embodiment of the heat exchange assembly
- FIG. 10 is an exploded schematic view of the fourth embodiment of the heat exchange assembly.
- Figures 1 and 2 are respectively three-dimensional schematic views of a heat exchange assembly provided by the present invention
- Figure 3 is a front view of the heat exchange assembly
- 4 is a schematic view of the cross-sectional view of the heat exchange assembly shown in FIG. 3 in the direction of A-A
- FIG. 5 is a partial enlarged schematic view of an embodiment of FIG. 4
- FIG. 7 is an exploded schematic diagram of the heat exchange assembly
- FIG. 6 is the A partial enlarged schematic view of yet another embodiment of the heat exchange assembly.
- the schematic diagram of the explosion shows the structure in two directions, which is different from the actual processing. This split is mainly to show the structure of this part.
- the heat exchange assembly includes a heat exchanger 10, a throttling element 20 and a connector.
- the heat exchanger 10 includes a first heat exchange area 15 , a second heat exchange area 16 , a third plate 12 and a fourth plate 13 .
- the main body of the third plate 12 is located between the first heat exchange area 15 and the second heat exchange area 16
- the main body of the fourth plate 13 is located between the first heat exchange area 15 and the second heat exchange area 16 .
- the first heat exchange area 15 includes the first plate 11
- the second heat exchange area 16 includes the second plate 14
- the main body parts of the third plate 12 and the fourth plate 13 are located between the first plate 11 and the second plate 14
- the third plate 12 is located between the first plate 11 and the fourth plate 13 .
- the first board 11 , the third board 12 , the fourth board 13 and the second board 14 are arranged in sequence.
- the first heat exchange zone 15 has a heat exchange core body, and the first heat exchange zone 15 has two fluid flow passages through which fluid flows through which heat can be exchanged with each other, and the two fluid flow passages are spaced apart from each other.
- the first heat exchange area 15 includes a plurality of plates, and the first heat exchange area 15 may also include fins, which is beneficial to heat exchange; the first heat exchange area 15 has interlayer flow channels separated by lamination of plates, A heat exchange zone 15 can flow through at least two fluids, and these two fluids can conduct heat exchange in the first heat exchange zone 16, for example, one fluid is a refrigerant, and the other can be a cooling liquid, such as for heating batteries, etc.
- Component cooling coolant can also be used for three fluids, such as one fluid is refrigerant, the other two can be coolant, the two coolants can be controlled and selected to exchange heat with the refrigerant, and then the coolant is cooled by heat exchange. After that, it can be used to cool the parts that need to be cooled.
- the first heat exchange area 15 may also have only one fluid flow channel and two channels: the first channel 151 and the second channel 152, for example, only the refrigerant channel is connected, and the heat exchange is performed by contacting with other elements or media that need heat exchange. .
- the second heat exchange zone 16 has a heat exchange core.
- the second heat exchange area 16 includes plates, the second heat exchange area 16 has two fluid flow channels for fluid to flow through heat exchange, and the two fluid flow channels are separated by lamination of plates and can perform heat exchange,
- the second heat exchange zone 16 includes interlayer flow channels separated by laminations of plates, the second heat exchange zone 16 can flow through at least two fluids, and the two fluids can conduct heat exchange in the second heat exchange zone 16 ,
- both fluids are refrigerants: one fluid is a relatively high temperature refrigerant and the other is a relatively low temperature refrigerant; or one fluid is a refrigerant and the other can be a cooling liquid, such as for cooling heating elements such as batteries coolant.
- the second heat exchange zone 16 has four channels: a first channel 161 , a second channel 162 , a third channel 163 , and a fourth channel 164 .
- the periphery of the first plate 11 has a flange portion 119 that is flanged in the direction of the third plate
- the periphery of the third plate 12 has a flange portion 129 that is flanged in the direction of the fourth plate
- the periphery of the fourth plate 13 has a flange portion 129 that is flanged in the direction of the second plate.
- the flanging portion 139 of the plate direction flanging, the second plate 14 has a flanging portion 149 that is flanged in the direction of the second heat exchange zone around the second plate 14, the flanging direction of these plates is the same, and the parts are welded to form a relatively sealed structure, so that the The space between the boards does not leak through all sides.
- the flanging direction of these plates can also be reversed, that is, flanging in the direction of the first heat exchange zone.
- the first plate 11 has a first matching portion 111 that protrudes toward the third plate, and a second matching portion 112 that is concave toward the first heat exchange area.
- the part of the pipe passes through the hole, or one end of the pipe 105 can be roughly flush with the hole, and one end of the pipe 105 is welded with the first matching part, so that the first hole 151 of the first heat exchange zone is connected to the first plate and the third plate.
- the space between it and the fourth plate is not directly connected; the first plate 11 has a hole 118 in the second matching part 112 for fluid circulation, and the hole 118 communicates with the second hole 152 of the first heat exchange area or the hole 118 is It forms part of the second channel 152 of the first heat exchange zone.
- the third board 12 has a first matching portion 121 at a position opposite to the first matching portion 111 of the first board 11 .
- the first matching portion 121 of the third board 12 protrudes toward the first board.
- the mating portion 121 and the first mating portion 111 of the first plate 11 can be substantially abutted to achieve mating welding.
- the third board 12 has a first mating hole 127 in the first mating portion, and the communication port 102 of the connecting pipe 105 and the third board 12
- the first matching hole 127 of the first matching hole 127 communicates with or the connecting pipe 105 passes through the first matching hole 127 and is welded with the first matching portion of the third plate 12 .
- the third board 12 has a second matching portion 122 at a position opposite to the second matching portion 112 of the first board 11 .
- the second matching portion 122 of the third board 12 protrudes toward the fourth board 13 .
- the second matching portion 112 has a concave structure in the direction of the first heat exchange zone when viewed from the direction of the third plate, and the distance between the second matching portion 122 of the third plate 12 and the second matching portion 112 of the first plate 11 is greater than that of the third
- the distance between the second main surface 120 ′ of the board 12 and the main board 110 of the first board 11 such that the space formed between the second matching portion 122 of the third board 12 and the second matching portion 112 of the first board 11 Fluid can be circulated.
- the third board 12 further includes a fourth matching portion 124 , the third board 12 has a second matching hole 128 in the fourth matching portion 124 , and the fourth matching portion 124 protrudes toward the fourth board 13 .
- the fourth board 13 A fourth matching portion 134 is provided at a position opposite to the fourth matching portion 124 of the third board. The fourth matching portion 134 protrudes toward the third board.
- the fourth matching portion 124 of the third board 12 and the fourth matching portion 124 of the fourth board 13 The fourth matching portion 134 is matched and welded, and the second matching hole 128 of the third plate 12 is opposite to and communicated with the fourth matching hole 138 of the fourth plate 13 .
- the third plate 12 may further have a third matching portion 123, and the third matching portion 123 of the third plate 12 protrudes toward the first plate.
- the third plate 12 may also have a second matching portion 122, and the second matching portion 122 of the third plate 12 protrudes toward the fourth plate, and the third plate 12 may not be provided with the second matching portion and/or the third matching portion. department.
- the fourth board 13 is provided with a first matching portion 131, a third matching portion 133, and a fourth matching portion 134.
- the position of the first matching portion 131 of the fourth board 13 corresponds to the position of the first matching portion 121 of the third board.
- the position of the fourth matching portion 134 of the board 13 corresponds to the position of the fourth matching portion 124 of the third board.
- the first matching portion 131 of the fourth board 13 protrudes toward the second board, the third matching portion 133 of the fourth board 13 protrudes toward the second board, and the fourth matching portion 134 of the fourth board 13 protrudes toward the third board
- the direction is protruding, and the fourth matching portion 134 of the fourth plate 13 is matched and welded with the fourth matching portion 124 of the third plate 12 to achieve relative sealing.
- the fourth plate 13 has a third matching hole 137 at the third matching portion 133 , and the fourth plate 13 has a fourth matching hole 138 at the fourth matching portion 134 .
- the second board 14 is provided with a third matching portion 143 and a fourth matching portion 144.
- the position of the third matching portion 143 of the second board 14 corresponds to the position of the third matching portion 133 of the fourth board.
- the second board 14 can also be provided with There is a fourth matching portion 144, and the position of the fourth matching portion 144 of the second board 14 corresponds to the position of the fourth matching portion 134 of the fourth board.
- the third matching portion 143 of the second plate 14 protrudes toward the fourth plate.
- the third matching portion 133 of the fourth plate 13 and the third matching portion 143 of the second plate 14 are matched and welded to achieve relative sealing.
- the second plate 14 has a first hole 147 in the third matching portion 143 for fluid communication, and the second plate 14 has a second hole 148 in the fourth matching portion 144 for fluid communication.
- the first hole 147 communicates with the third hole 163 of the second heat exchange zone 16 , or the first hole 147 is a part of the third hole 163 that constitutes the second heat exchange zone; the second hole 148 communicates with the second heat exchange zone 16
- the fourth orifice 164, or the second orifice 148, is part of the fourth orifice 164 that constitutes the second heat exchange zone.
- the second board 14 may also be provided with a first matching portion 141 , the first matching portion 141 of the second board 14 may protrude toward the fourth board, the first matching portion 141 of the second board 14 and the first matching portion 141 of the fourth
- the matching portion 131 can be matched with welding to achieve relative sealing.
- the space between the main surfaces 110 of the first heat exchange area is communicated with the second channel 152 of the first heat exchange zone; the space between the second main surface 120' of the third plate 12 and the main surface 110 of the first plate 11 is connected to the
- the second matching hole 128 communicates with the fourth matching hole 138 of the fourth plate and communicates with the second hole 148 of the second plate, that is, communicates with the fourth hole 164 of the second heat exchange area.
- the fourth hole 164 of the first heat exchange area communicates with the second hole 152 of the first heat exchange area through the second matching hole 128 of the third plate and the fourth matching hole 138 of the fourth plate.
- the first matching hole 127 of the third plate communicates with the communication port 102 , and the other side of the communication port 102 communicates with the throttle element 20 .
- the space between the main surface 120 of the third plate 12 and the second main surface 130' of the fourth plate 13 is in communication with the first matching hole 127 of the third plate or the communication port 102 of the take-over 105; the main plate of the third plate 12
- the space between the surface 120 and the second main surface 130 ′ of the fourth board 13 is communicated with the third matching hole 137 of the fourth board 13 ; the third matching hole 137 of the fourth board 13 and the first hole 147 of the second board Communication, that is, the third matching hole 137 of the fourth plate 13 communicates with the third hole 163 of the second heat exchange area; that is, the third hole 163 of the second heat exchange area and the communication port 102 pass through the first hole of the third plate.
- the matching hole 127 and the third matching hole 137 of the fourth plate communicate with each other.
- the connecting piece includes a first interface portion 43 , a first connecting portion 44 and a second connecting portion 45 , the first interface portion 43 is provided with a first interface 53 , the first connecting portion 44 is provided with a second interface 54 , and the second connecting portion 45 A third interface 55 and a fourth interface 56 are provided.
- the high-temperature and high-pressure refrigerant can flow into the first channel 161 of the second heat exchange zone 16 from the first interface 53, and the relatively low-temperature refrigerant between the second heat exchange zone 16 and another fluid flow channel The refrigerant undergoes heat exchange and then goes to the third channel 163.
- the refrigerant can be divided into two parts: one part flows to the evaporator of the system through the third interface 55 or flows to the system through the throttling element
- the evaporator, the refrigerant evaporated in the evaporator passes through the fourth interface 56 to the second channel 162 of the second heat exchange zone 16, and exchanges heat with the relatively high temperature refrigerant in another fluid flow channel; another part of the refrigerant passes through The third matching hole 137 of the fourth plate 13, the space between the third plate and the fourth plate, through the communication port 102 to the throttling element 20, after throttling through the throttling element 20, and then to the first heat exchange zone.
- the space between the third plate, the second matching hole 128 of the third plate, the fourth matching hole 138 of the fourth plate, and the fourth hole 164 of the second heat exchange area flow out through the second interface 54 and flow to the compressor
- it can also be returned to the compressor through components such as a vapor-liquid separator.
- the heat exchanger is provided with four plates, so that the two heat exchange areas with different functions can be welded to form an integrated structure, and the two heat exchange areas are realized by the setting of the matching parts of the plates and the matching holes.
- the control of the flow direction of the refrigerant can change the local structure of the plate when the refrigerant flows in different directions, such as changing the matching part of the plate and the matching hole for conduction to achieve different system communication needs.
- the structure of the heat exchanger can be Relatively small.
- a hole can also be provided at the position of the matching portion.
- the difference between this embodiment and the above-mentioned embodiment includes that the second plate is also provided with a hole 145 at its first matching portion, and the fourth plate is also provided with a hole 145 at its first matching portion. No holes are provided, the first matching part of the second board is relatively matched with the first matching part of the fourth board and the relative sealing is achieved by welding, and the opposite can also be done, that is, the fourth board is provided with holes in the first matching part, while The second plate does not have holes in its first matching portion, which can also be implemented in the same way.
- the nozzle 105 provided with the communication port 102 can also extend out of the first heat exchange area.
- the nozzle 105 can be welded with the first matching part of the first plate to achieve relative sealing, and the nozzle 105 can also be inserted into the first matching hole 127 of the third plate and welded with the first matching part of the third plate to achieve relative sealing.
- the first matching hole 127 of the third board is for matching with the connecting tube 105 instead of being used for conduction.
- FIG. 8 is an exploded schematic diagram of the second embodiment of the heat exchange assembly, which also shows two directions.
- the heat exchanger 10 includes a first heat exchange area 15, a second heat exchange area 16, a third plate 12, and a fourth plate 13.
- the main body of the third plate 12 and the main body of the fourth plate 13 are located on the first plate and the fourth plate. between the two boards.
- the first heat exchange area 15 includes a first plate 11
- the second heat exchange area 16 includes a second plate 14
- the third plate 12 is located between the first plate 11 and the fourth plate 13 .
- the first board 11 , the third board 12 , the fourth board 13 and the second board 14 are arranged in sequence.
- the first plate 11 has a first matching portion 111 protruding toward the third plate, a second matching portion 112 concave toward the first heat exchange area, and a third matching portion 113 may also be provided on the first plate 11 .
- the first plate 11 has a through hole in the first matching part 111, and a part of the connecting pipe 105 passes through the through hole, or one end of the connecting pipe 105 can be roughly flush with the through hole and be welded with the first matching part 111 to be relatively sealed;
- a plate 11 has a hole 118 in the second matching portion 112 for fluid circulation.
- the hole 118 communicates with the second hole 152 of the first heat exchange zone or the hole 118 is a part of the second hole 152 of the first heat exchange zone. .
- the third board 12 has a first matching portion 121 at a position opposite to the first matching portion 111 of the first board 11 .
- the first matching portion 121 of the third board 12 protrudes toward the first board.
- the matching portion 121 is matched and welded with the first matching portion 111 of the first plate 11 to achieve relative sealing.
- the third board 12 has a second matching portion 122 at a position opposite to the second matching portion 112 of the first board 11 .
- the second matching portion 122 of the third board 12 protrudes toward the fourth board 13 .
- the second matching portion 112 has a concave structure in the direction of the first heat exchange zone when viewed from the direction of the third plate, and the distance between the second matching portion 122 of the third plate 12 and the second matching portion 112 of the first plate 11 is greater than that of the third The distance between the second main surface 120 ′ of the board 12 and the main surface 110 of the first board 11 .
- the third board 12 may further include a third matching portion 123 , and the third matching portion 123 of the third board 12 protrudes toward the direction of the first board 11 .
- the third plate 12 has a first matching hole 127 at the first matching portion, the third plate 12 has a second matching hole 128 at the second matching portion 122, and the communication port 102 of the nozzle 105 and the first matching hole 127 of the third plate 12 communication, or the communication port 102 of the nozzle 105 communicates with the space between the third plate and the fourth plate; the second matching hole 128 of the third plate 12 and the second hole 152 of the first heat exchange zone are relatively close to the third plate partially connected.
- the second matching portion of the first plate and the second matching portion of the third plate may not be provided, as long as a hole is provided at this position to allow fluid communication, that is, the second hole 152 of the first heat exchange zone can pass through the first heat exchange area.
- the holes of the plates for communication, the space between the first plate and the third plate, the matching holes of the third plate, and the matching holes of the fourth plate communicate with the second heat exchange area.
- the fourth board 13 is provided with a second matching portion 132 at a position opposite to the second matching portion 122 of the third board. The second matching portion 132 of the fourth board 13 protrudes toward the third board.
- the matching portion 122 is welded with the second matching portion 132 of the fourth plate 13 to achieve relative sealing;
- the third mating portion 132 of the second plate protrudes in the direction of the second plate.
- the fourth plate 13 has a fourth matching hole 138 in the second matching portion 132
- the fourth plate 13 has a third matching hole 137 in the third matching portion 133 .
- the second board 14 is provided with a second matching portion 142 and a third matching portion 143 .
- the position of the second matching portion 142 of the second board 14 is opposite to the position of the second matching portion 132 of the fourth board.
- the position of the matching portion 143 is opposite to the position of the third matching portion 133 of the fourth plate, and the third matching portion 143 of the second plate 14 protrudes toward the fourth plate;
- the first hole 147 for circulation, the second plate 14 has a second hole 148 in the second matching portion 142 for fluid circulation.
- the first hole 147 of the second plate 14 communicates with the third hole 163 of the second heat exchange zone 16, or the first hole 147 is a part of the third hole 163 constituting the second heat exchange zone; the second hole 148 communicates with the second hole 148.
- the second pores 162 of the heat exchange zone 16, or the second pores 148, are part of the second pores 162 of the second heat exchange zone.
- the third matching portion 133 of the fourth board 13 and the third matching portion 143 of the second board 14 are matched and welded to achieve relative sealing.
- the second board 14 may also be provided with a first matching portion 141 , correspondingly, the fourth board is provided with a first matching portion 131 , and the position of the first matching portion 141 of the second board 14 and the first matching portion 131 of the fourth board are Correspondingly in position, the first matching portion 141 of the second board 14 can protrude toward the fourth board, the first matching portion 131 of the fourth board 13 protrudes toward the second board, and the first matching portion 131 of the fourth board 13 protrudes toward the second board. 131 and the first matching portion 141 of the second plate 14 are matched and welded to achieve relative sealing.
- the second plate 14 may also be provided with a fourth matching portion 144 .
- a fourth matching portion 134 is provided on the fourth plate, and the position of the fourth matching portion 144 of the second plate 14 is the same as that of the fourth matching portion of the fourth plate. 134 corresponds to the position, the fourth matching portion 144 of the second board 14 protrudes toward the fourth board, the fourth matching portion 134 of the fourth board 13 protrudes toward the second board, and the fourth matching portion 134 of the fourth board 13 protrudes toward the second board. It is matched and welded with the fourth matching portion 144 of the second plate 14 to achieve relative sealing.
- the second plate may or may not be provided with holes in the first matching portion or the fourth matching portion.
- the second matching hole 128 of the third board 12 communicates with the fourth matching hole 138 of the fourth board 13 , and the space between the second main board surface 120 ′ of the third board 12 and the main board surface 110 of the first board 11 is the same as the third board 11 .
- the second matching hole 128 of the plate communicates with the fourth matching hole 138 of the fourth plate, and communicates with the second hole 148 of the second plate, that is, communicates with the second hole 162 of the second heat exchange area.
- the second channel 162 of the hot zone communicates with the second channel 152 of the first heat exchange zone through the second matching hole 128 of the third plate and the fourth matching hole 138 of the fourth plate.
- the first matching hole 127 of the third plate communicates with the communication port 102 , and the other side of the communication port 102 communicates with the throttle element 20 ;
- the space communicates with the first matching hole 127 of the third plate and communicates with the third matching hole 137 of the fourth plate 13;
- the third matching hole 137 of the fourth plate 13 communicates with the first hole 147 of the second plate, namely the first
- the third matching holes 137 of the four plates 13 communicate with the third holes 163 of the second heat exchange zone; that is, the third holes 163 of the second heat exchange zone and the communication port 102 pass through the first matching holes 127 and 163 of the third plate.
- the third matching holes 137 of the fourth plate communicate with each other.
- the flanges of these panels also all face the same side and are welded and sealed relative to each other.
- the connector also includes a first interface portion 43, a first connecting portion 44 and a second connecting portion 45.
- the first interface portion 43 is provided with a first interface 53
- the first connecting portion 44 is provided with a second interface 54
- the second connecting portion 45 is provided with a third interface 55 and a fourth interface 56 .
- the first interface 43 can be connected to the outlet of the compressor, the first connection 44 can be connected to the inlet of the compressor, and the second interface 54 can be connected to the air return port of the compressor , the second connection part 45 can be connected with the inlet and outlet of the evaporator, the third interface 55 can be communicated with the evaporator or throttling element of the system, and the fourth interface 56 can be connected with the outlet of the evaporator or the vapor-liquid separator of the system The exits etc. are connected.
- the high-temperature and high-pressure refrigerant comes out of the compressor, and can flow from the first interface 53 into the first channel 161 of the second heat exchange area 16 that is connected to the third channel 163, and communicate with the other in the second heat exchange area 16.
- the relatively low temperature refrigerant in a fluid flow channel performs heat exchange.
- the refrigerant can be divided into two parts: one part flows through the third interface 55 to the evaporator of the system or through the throttling element, etc.
- the refrigerant evaporated in the evaporator flows through the fourth interface 56 to the second channel 162 of the second heat exchange area 16 to the fourth channel 164, and conduct heat exchange with the relatively high temperature refrigerant in the other fluid flow channel; another part of the refrigerant passes through the first hole 147 of the second plate, the third matching hole 137 of the fourth plate 13, and the first main board surface 120 of the third plate.
- the space between the second main surface 130' of the fourth plate goes to the throttle element 20 through the communication port 102, and then to the first orifice 151 of the first heat exchange zone after being throttled by the throttle element 20 is relatively close to the throttle element In the side part, in the first heat exchange zone 15, it exchanges heat with a medium such as cooling liquid in another fluid flow channel, and completes the heat exchange in the second channel 152 of the first heat exchange zone, and then passes through the second matching hole of the third plate. 128.
- the fourth matching hole 138 of the fourth plate and the second hole 148 of the second plate reach the second channel 162 of the second heat exchange area, and merge with the refrigerant returning from the fourth interface 56 to flow to the fourth channel 164, and flow to the fourth channel 164.
- the refrigerant in the other fluid flow channel conducts heat exchange, flows out through the second port 54 communicated with the fourth orifice 164 and flows to the compressor. Of course, it can also return to the compressor through components such as a vapor-liquid separator.
- the two low-temperature refrigerants are combined to perform heat exchange with the relatively high-temperature refrigerant.
- the two low-temperature refrigerants are combined to perform heat exchange with the relatively high-temperature refrigerant.
- FIG. 9 is an exploded schematic view of the third embodiment of the heat exchange assembly.
- the heat exchanger 10 also includes a first heat exchange area 15, a second heat exchange area 16, a third plate 12, and a fourth plate 13.
- the main parts of the third plate 12 and the fourth plate 13 are located in the first heat exchange area 15, between the second heat exchange zones 16 .
- the first heat exchange area 15 includes a first plate 11
- the second heat exchange area 16 includes a second plate 14
- the third plate 12 and the fourth plate 13 are located between the third plate 12 and the second plate 14
- the third plate 12 Located between the first board 11 and the fourth board 13 , the first board 11 , the third board 12 , the fourth board 13 , and the second board 14 are arranged in sequence.
- the first plate 11 has a first matching portion 111 that protrudes toward the third plate, and may have a second matching portion 112 that is concave toward the first heat exchange area.
- the first plate 11 can also be provided with a third matching portion 113 or The fourth matching portion 114 .
- the first plate 11 has a through hole in the first matching part 111, and a part of the connecting pipe 105 passes through the through hole, or one end of the connecting pipe 105 can be substantially flush with the through hole and be welded with the first matching part 111 to be relatively sealed.
- One end of 105 can also be welded with the third plate to be relatively sealed, while the nozzle is welded with the first plate to be relatively sealed.
- the first plate 11 has a hole 118 in the second matching portion 112 for fluid circulation, and the hole 118 communicates with the second hole 152 of the first heat exchange area or the hole 118 constitutes the second hole 152 of the first heat exchange area. part.
- the third plate 12 is provided with a plurality of concave-convex portions in the main board region, and the concave-convex portions may also be provided on the fourth plate or the like.
- the third board 12 has a first matching portion 121 at a position opposite to the first matching portion 111 of the first board 11 .
- the first matching portion 121 of the third board 12 may protrude toward the first board.
- a mating portion 121 and the first mating portion 111 of the first plate 11 can achieve relative sealing by mating welding or mating and welding sealing with the nozzle.
- the third board 12 has a second matching portion 122 at a position opposite to the second matching portion 112 of the first board 11 .
- the second matching portion 122 of the third board 12 protrudes toward the fourth board 13 .
- the second matching portion 112 may be in a concave structure toward the direction of the first heat exchange area.
- the third plate 12 may further include a third fitting portion 123 or a fourth fitting portion 124 .
- the third plate 12 has a first matching hole 127 in the first matching part for conducting or can be matched with the nozzle, the third plate 12 has a second matching hole 128 in the second matching part 122, and the communication port 102 of the nozzle 105 is connected to the second matching hole 128.
- the first matching hole 127 of the third plate 12 is in communication with or the nozzle is welded with the hole of the second matching part of the third plate, or the communication port 102 of the nozzle 105 is in communication with the space between the third plate and the fourth plate; the third plate
- the second matching hole 128 of 12 communicates with the hole 118 of the first plate, and the second matching hole 128 of the third plate 12 communicates with the part of the second hole 152 of the first heat exchange area relatively close to the third plate.
- the fourth plate 13 is provided with a first matching portion 131 , and the first matching portion 131 may be disposed at a position opposite to the first matching portion 121 of the third plate, or may be disposed at other spare positions.
- the fourth board 13 is provided with a second matching portion 132 at a position opposite to the second matching portion 122 of the third board.
- the second matching portion 132 of the fourth board 13 protrudes toward the third board.
- the two matching portions 122 are matched and welded with the second matching portion 132 of the fourth plate 13 to achieve relative sealing.
- the fourth plate 13 has a fourth matching hole 138 in the second matching part 132 , and the fourth plate 13 has a third matching hole 137 in the first matching part 131 .
- the second board 14 is provided with a first matching portion 141 and a fourth matching portion 144 , the position of the first matching portion 141 of the second board 14 is opposite to the position of the first matching portion 131 of the fourth board, and the first matching portion 141 of the second board 14
- the fitting portion 141 protrudes toward the fourth plate.
- the second plate 14 has a first hole 147 at the first matching portion 141 for fluid circulation, and the second plate 14 has a second hole 148 at the fourth matching portion 144 for fluid circulation.
- the first hole and the second hole are respectively It is a hole through which a fluid flow channel of the second heat exchange zone is used for communication.
- the first hole 147 of the second plate 14 communicates with the first hole 161 of the second heat exchange zone 16, or the first hole 147 is a part of the first hole 161 constituting the second heat exchange zone; the second hole 148 communicates with the second hole 148.
- the fourth orifice 164 of the heat exchange zone 16, or the second orifice 148, is part of the fourth orifice 164 that constitutes the second heat exchange zone.
- the second plate 14 may also be provided with a third fitting portion 143 .
- the position of the first matching portion 141 of the second board 14 corresponds to the position of the first matching portion 131 of the fourth board.
- the first matching portion 141 of the second board 14 protrudes toward the fourth board.
- the matching portion 131 protrudes toward the direction of the second plate, and the first matching portion 131 of the fourth plate 13 and the first matching portion 141 of the second plate 14 are matched and welded to achieve relative sealing.
- the fourth matching portion 144 of the second plate 14 is recessed into the second heat exchange area.
- the second matching hole 128 of the third board 12 communicates with the fourth matching hole 138 of the fourth board 13 , and the space between the second main board surface 120 ′ of the third board 12 and the main board surface 110 of the first board 11 is the same as the third board 11 .
- the first matching hole 127 of the plate communicates with the communication port, and communicates with the third matching hole 137 of the fourth plate, and communicates with the first hole 147 of the second plate, that is, communicates with the first hole 161 of the second heat exchange zone.
- the first hole 161 of the second heat exchange zone communicates with the communication port 102 through the first matching hole 127 of the third plate and the third matching hole 137 of the fourth plate, and the other side of the communication port 102 communicates with the throttle element 20 .
- the second matching hole 128 of the third plate communicates with the second channel 152 of the first heat exchange zone; the space between the main surface 120 of the third plate 12 and the second main surface 130 ′ of the fourth plate 13 is connected to the third plate
- the first matching hole 127 of the third plate 12 communicates with or communicates with the communication port 102, and the space between the main plate surface 120 of the third plate 12 and the second main plate surface 130' of the fourth plate 13 is communicated with the third matching hole 137 of the fourth plate;
- the third matching hole 137 of the fourth plate 13 communicates with the first hole 147 of the second plate, that is, the third matching hole 137 of the fourth plate 13 communicates with the first hole 161 of the second heat exchange area; the second heat exchange area
- the first hole 161 and the communication port 102 are communicated through the first matching hole 127 of the third plate, the third matching hole 137 of the fourth plate, or the first hole 161 of the second heat exchange zone and the communication port 102.
- the third matching holes 137 of the fourth plate
- the connector of this embodiment includes a first interface portion 43, a first connection portion 44 and a second connection portion 45.
- the first interface portion 43 is provided with a first interface 53
- the first connection portion 44 is provided with a second interface 54
- the first interface portion 43 is provided with a first interface 53.
- the second connection portion 45 is provided with a third interface 55 and a fourth interface 56 .
- the first interface portion 43 can be communicated with the outlet portion of the compressor
- the second interface 54 of the first connecting portion 44 can be communicated with the air return port of the compressor
- the first interface portion 45 of the second connecting portion 45 can communicate with the air return port of the compressor.
- the three ports 55 may be communicated with the evaporator or the throttling element of the system
- the fourth port 56 may be communicated with the outlet of the evaporator or the outlet of the vapor-liquid separator of the system.
- the high-temperature and high-pressure refrigerant can flow into the second channel 162 (not shown in the figure) of the second heat exchange zone 16 from the first interface 53, and the relatively low temperature between the second heat exchange zone 16 and another fluid flow channel.
- the refrigerant undergoes heat exchange, and then goes to the first channel 161.
- the refrigerant is divided into two parts: one part flows to the evaporator of the system through the third interface 55 or flows to the system through the throttling element.
- the evaporator of the system or divided into two evaporators after throttling, the refrigerant evaporated in the evaporator passes through the fourth interface 56 to the fourth orifice 164 of the connected second heat exchange area 16, and communicates with another fluid.
- the relatively high temperature refrigerant in the flow channel conducts heat exchange; another part of the refrigerant passes through the first hole 147 of the second plate, the third matching hole 137 of the fourth plate 13, the first main surface 120 of the third plate and the second plate of the fourth plate.
- the space between the two main surfaces 130' or the first matching hole 127 of the third plate passes through the communication port 102 to the throttling element 20, and then passes through the throttling element 20 to the first hole 151 of the first heat exchange zone
- the fourth orifice 164 of the fluid flow channel 164 and flows to the third orifice 163 after confluence with the refrigerant returning from the fourth port 56, exchanges heat with the refrigerant in another fluid flow channel, flows out through the second port 54 that communicates with the third orifice 163 and flows to the third port 163.
- the compressor can also be returned to the compressor through components such as a vapor-liquid separator.
- FIG. 10 is an exploded schematic diagram of the fourth embodiment of the heat exchange assembly.
- the heat exchanger 10 also includes a first heat exchange zone 15, a second heat exchange zone 16, a third plate 12 and a fourth plate 13, the first plate 11, the third plate 12, the fourth plate 13 and the second plate 14 in sequence set up.
- the first plate 11 has a first matching portion 111 that protrudes toward the third plate, and a second matching portion 112 that is concave toward the first heat exchange zone.
- the first plate 11 can also be provided with a third matching portion 113, a fourth matching portion 113, and a fourth matching portion 113.
- the mating part 114 is a first matching portion 111 that protrudes toward the third plate, and a second matching portion 112 that is concave toward the first heat exchange zone.
- the first plate 11 can also be provided with a third matching portion 113, a fourth matching portion 113, and a fourth matching portion 113.
- the mating part 114 is a first matching portion 111 that protrudes toward the third plate, and a second matching portion 112 that is concave toward the first heat exchange zone.
- the first plate 11 can also be provided with a third matching portion 113, a fourth matching portion 113, and a fourth matching portion 113.
- the mating part 114 is a third matching portion
- the first plate 11 has a through hole in the first matching portion 111 that is matched with the nozzle 105.
- One end of the nozzle 105 can be substantially flush with the through hole and be welded with the first matching portion 111 to be relatively sealed, and one end of the nozzle 105 can also be It is relatively sealed by welding with the third plate, and at the same time, the nozzle is relatively sealed by welding with the first plate.
- the first plate 11 has a hole 118 in the second matching portion 112 for fluid to circulate, and the hole 118 is a part of the second hole 152 constituting the first heat exchange zone.
- the third board 12 or the fourth board is provided with a plurality of concave and convex portions in the main board area.
- the third board 12 has a first matching portion 121 at a position opposite to the first matching portion 111 of the first board 11 .
- the first matching portion 121 of the third board 12 may protrude toward the first board.
- a mating portion 121 and the first mating portion 111 of the first plate 11 can be relatively sealed by welding, or the nozzle can be mated with the first mating portion of the third plate and relatively sealed by welding.
- the third board 12 is provided with a second matching portion 122 , and the second matching portion 122 of the third board 12 protrudes toward the fourth board 13 .
- the third plate 12 may further include a third fitting portion 123 or a fourth fitting portion 124 .
- the third plate 12 has a first matching hole 127 at the first matching portion, the third plate 12 has a second matching hole 128 at the second matching portion 122, and the communication port 102 of the nozzle 105 and the first matching hole 127 of the third plate 12
- the connection or the nozzle is welded with the hole of the second matching part of the third plate, or the communication port 102 of the nozzle 105 is in communication with the space between the third plate and the fourth plate; the second matching hole 128 of the third plate 12 is connected to the
- the holes 118 of the first plate communicate with each other, and the second matching holes 128 of the third plate 12 communicate with the parts of the second holes 152 in the first heat exchange area that are relatively close to the third plate.
- the fourth plate 13 is provided with a first matching portion 131, and the first matching portion 131 can be arranged at a position opposite to the first matching portion 121 of the third plate, since this flow path passes between the third plate and the fourth plate
- the space is connected, so the position of the matching part and the matching hole can be adjusted according to the structure of the first heat exchange area and the second heat exchange area, or can be adjusted according to the structure of the first exchange plate and the second plate, that is, it can be set in other spare parts. position, which is relatively easy to adjust.
- the fourth board 13 is provided with a second matching portion 132 at a position opposite to the second matching portion 122 of the third board.
- the second matching portion 132 of the fourth board 13 protrudes toward the third board.
- the two matching portions 122 are matched and welded with the second matching portion 132 of the fourth plate 13 to achieve relative sealing.
- the fourth plate 13 has a fourth matching hole 138 in the second matching portion 132 , and the fourth plate 13 has a third matching hole 137 in the first matching portion 131 .
- the fourth plate 13 can also be connected to a socket in the first matching portion 131 . Mating holes.
- the second board 14 is provided with a first matching portion 141 and a third matching portion 143 .
- the position of the first matching portion 141 of the second board 14 is opposite to the position of the first matching portion 131 of the fourth board.
- the fitting portion 141 protrudes toward the fourth plate.
- the second plate 14 has a first hole 147 in the first matching portion 141 for fluid communication, and the second plate 14 has a second hole 148 in the third matching portion 143 for fluid communication.
- the first hole 147 of the second plate 14 communicates with the first hole 161 of the second heat exchange zone 16, or the first hole 147 is a part of the first hole 161 constituting the second heat exchange zone; the second hole 148 communicates with the second hole 148.
- the third hole 163 of the heat exchange zone 16, or the second hole 148 is a part of the third hole 163 that constitutes the second heat exchange zone.
- the second plate 14 may also be provided with a third or fourth matching portion 144 .
- the position of the first matching portion 141 of the second board 14 corresponds to the position of the first matching portion 131 of the fourth board.
- the first matching portion 141 of the second board 14 protrudes toward the fourth board.
- the matching portion 131 protrudes toward the direction of the second plate, and the first matching portion 131 of the fourth plate 13 and the first matching portion 141 of the second plate 14 are matched and welded to achieve relative sealing.
- the third matching portion 143 of the second plate 14 is recessed into the second heat exchange area.
- the second matching hole 128 of the third plate 12 communicates with the fourth matching hole 138 of the fourth plate 13, and the third matching hole 137 of the fourth plate communicates with the first hole 147 of the second plate, that is, communicates with the second heat exchange area
- the first hole 161 of the second heat exchange area is communicated with the communication port 102 through the first matching hole 127 of the third plate and the third matching hole 137 of the fourth plate, and the other side of the communication port 102 is communicated Throttle element 20 .
- the second matching hole 128 of the third plate communicates with the second hole 152 of the first heat exchange area.
- the main board surface 120 of the third board 12 The space with the second main surface 130 ′ of the fourth board 13 communicates with the third matching hole 137 of the fourth board.
- the third matching hole 137 of the fourth plate 13 communicates with the first hole 147 of the second plate, that is, the third matching hole 137 of the fourth plate 13 communicates with the first hole 161 of the second heat exchange area.
- the first hole 161 of the second heat exchange zone communicates with the communication port 102 through the first matching hole 127 of the third plate, the third matching hole 137 of the fourth plate, or the first hole 161 of the second heat exchange zone communicates with The ports 102 communicate with each other through the third matching hole 137 of the fourth plate.
- the connector of this embodiment includes a first interface portion 43, a first connection portion 44 and a second connection portion 45.
- the first interface portion 43 is provided with a first interface 53
- the first connection portion 44 is provided with a second interface 54
- the first interface portion 43 is provided with a first interface 53.
- the second connection portion 45 is provided with a third interface 55 and a fourth interface 56 .
- the first interface portion 43 can be communicated with the outlet of the compressor
- the second interface 54 of the first connecting portion 44 can be communicated with the air return port of the compressor
- the third interface of the second connecting portion 45 55 may be communicated with the evaporator or throttling element of the system
- the fourth interface 56 may be communicated with the outlet of the evaporator of the system or the outlet of the vapor-liquid separator, etc.
- the high-temperature and high-pressure refrigerant can flow from the first interface 53 into the second channel 162 (not shown in the figure) of the connected second heat exchange zone 16, and the second heat exchange zone 16 is connected to another fluid flow channel.
- the relatively low temperature refrigerant undergoes heat exchange, and then goes to the first channel 161.
- the refrigerant is divided into two parts: one part flows to the evaporator of the system through the third interface 55 or through the throttling element It flows to the evaporator of the system, or is divided into two evaporators after throttling, and the refrigerant evaporated in the evaporator passes through the fourth interface 56 to the fourth channel 164 of the second heat exchange area 16, and is mixed with another fluid.
- the relatively high temperature refrigerant in the flow channel conducts heat exchange; another part of the refrigerant passes through the first hole 147 of the second plate, the third matching hole 137 of the fourth plate 13, the first main surface 120 of the third plate and the second plate of the fourth plate.
- the space between the two main surfaces 130' or the first matching hole 127 of the third plate passes through the communication port 102 to the throttling element 20, and then passes through the throttling element 20 to the first hole 151 of the first heat exchange zone Relatively close to the throttling element side, in the first heat exchange zone 15, it exchanges heat with the medium of another fluid flow channel, such as cooling liquid, to the second channel 152 of the first heat exchange zone, and passes through the second channel of the third plate.
- another fluid flow channel such as cooling liquid
- the number of interfaces for refrigerant connection is four, and it can also be 5 or 6.
- the system has two evaporators, and the two interfaces lead to the two evaporators or the throttling element and the evaporator respectively. And/or the two ports are respectively communicated with the outlet of the evaporator.
- the connecting member may also be an integral structure instead of a plurality of combinations as in the embodiment.
- the above heat exchanger can be used for a heat exchange assembly, and the heat exchange assembly can have a first coolant interface portion 41 and a second coolant interface portion 42, and the first coolant interface portion 41 has a first coolant interface 51, a second coolant interface
- the cooling liquid port 42 has a second cooling liquid port 52, the first cooling liquid port 51 and the second cooling liquid port 52 are communicated with the cooling liquid flow channel of the first heat exchange area, and can be connected with another fluid flow channel, that is, the cooling medium flow.
- the medium in the channel exchanges heat.
- the first coolant interface portion 41 and the second coolant interface portion 42 are fixedly connected to the heat exchanger by welding. Specifically, the first coolant interface portion 41 and the second coolant interface portion 42 are arranged relatively close to the first heat exchange area. one side, welded with the side plate of the heat exchanger.
- the refrigerant flow channel of the first heat exchange area of the above components can be a single flow, that is, from the first channel 151 to the second channel 152, or it can be three or even five flows.
- the first heat exchange area is roughly divided In three parts, the first channel 151 is divided into a first part close to the throttle element and a second part relatively close to the third plate, and the second part of the first channel 151 is longer than the first part.
- the second channel 152 is divided into a first part close to the throttle element and a second part relatively close to the third plate, the second part of the second channel 152 is shorter than the first part; the first flow flows from the first part of the first channel 151 to the second part. The first part of the second channel 152 flows from the first part of the second channel 152 relatively close to the middle part to the second part of the first channel, and then flows from the second part of the first channel 151 relatively close to the third plate to the second channel 103 Therefore, only the outflow from the second channel 152 is described in the above embodiment.
- the heat exchange assembly can be used in a thermal management system for vehicles, and the thermal management system includes a compressor, a heat exchange assembly, at least one evaporator and a second heat exchanger, a liquid accumulator or a gas-liquid separator, and at least one throttling element.
- the thermal management system includes a refrigerant system and a cooling liquid system.
- the medium flowing in the refrigerant system is refrigerant
- the medium flowing in the cooling liquid system is cooling liquid.
- the first cooling liquid interface 51 and the second cooling liquid interface 52 pass through the first heat exchange area.
- the first coolant interface 101 and the second coolant interface 102 can be part of the side plate of the first heat exchange zone, or they can be separately processed and welded with the first heat exchange zone.
- the side plate and/or the heat exchange core are fixed, and the first cooling liquid interface portion and the second cooling liquid interface portion may also be fixed together with the first heat exchange area in the form of pipe joints.
- the refrigerant flow channel of the first heat exchange zone includes a first hole channel and a second hole channel, and the cooling liquid flow channel is not communicated with the refrigerant flow channel.
- the heat exchange assembly can facilitate the installation and connection of the thermal management system, reduce the number of connected pipes, and reduce the volume of the system.
- the heat exchange assembly is used in a vehicle thermal management system as an example for illustration. It should be noted that these components are fixed in actual use. For the sake of clarity, the flow pattern of the refrigerant is shown in the exploded diagram of this article. , this is for clarity only.
- the heat exchange assembly can realize the heat exchange between the high temperature refrigerant and the low temperature refrigerant, reduce the temperature of the high temperature refrigerant, thereby improving the efficiency.
- System connection is simple and convenient.
- Another way of the heat exchange component can realize the heat exchange between the high temperature refrigerant and some low temperature refrigerant, reduce the temperature of the high temperature refrigerant, and will not make the temperature of the refrigerant return to the compressor too high, thereby improving the efficiency, and the system connection is simple and convenient.
- the communication between the two or other components is not a closed description in this document, which means that the two are in communication, and also includes other components such as throttling elements, separators, control valves, etc. between the two. Check valves, heat exchangers, and many more possibilities.
- the communication mode in this paper is not closed, for example, the second channel of the first heat exchange zone and the first channel of the second heat exchange zone are communicated through the matching holes of a certain plate, which refers to the second channel of the first heat exchange zone.
- the flow channel between the channel and the first channel of the second heat exchange zone passes through the matching hole, and can be communicated by the matching hole alone, including the matching hole passing through another plate, or even the space between the two plates, etc. In many ways, the others are similar.
- the serial numbers used such as first, second, third, and fourth are only for the purpose of distinguishing clearly and for the convenience of description.
- the heat exchange component also needs to have a throttling element, so that the high-temperature refrigerant from the intermediate heat exchanger can be throttled through the throttling element,
- the electronic expansion valve is used as the throttling element, the high-temperature refrigerant can be connected by means of the extension of the nozzle.
- the thickness of the four plates can be the same as that of the plates in the first heat exchange zone.
- the four plates have similar shapes and sizes, except that the matching parts and the positions of the holes are different. In addition, the shapes and sizes can also be different.
- the three plates extend outward, which is conducive to distinguishing and identifying.
- the mating portion that is oppositely arranged and matched between the two plates can be in a protruding structure as in the embodiment, or a fitting such as a washer with a hole can be added between the mating portions, such as the second mating portion of the third plate and the
- the second matching part of the fourth plate is flat with its main body, that is, it is not protruding.
- a gasket of suitable material is arranged between the two, so that the two can be welded with the gasket and the two can be welded. fixed.
- the heat exchanger is provided with four plates, one of the flow channels between the two adjacent plates is connected through the matching hole, and the other is connected through the space between the two plates, so that the two heat exchange areas with different functions can be relatively convenient.
- the integrated structure is formed by welding, and the two heat exchange areas are formed by the arrangement of the matching part of the plate and the matching hole to realize an integrated heat exchanger with two heat exchange area structures, so that the second heat exchange area of the first heat exchange area is formed.
- the hole is connected to a hole in the second heat exchange zone.
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims (10)
- 一种换热器,其特征在于,所述换热器包括:第一换热区(15)和第二换热区(16);所述第一换热区(15)包括第一板(11),所述第二换热区(16)包括第二板(14);所述换热器还包括第三板(12)和第四板(13);所述第三板(12)主体部位于所述第一板(11)与所述第四板(14)之间,所述第四板(13)的主体部位于所述第三板(12)与所述第二板(14)之间;所述第二换热区(16)包括两个流体流道,两个流体流道之间能进行热交换;所述第一换热区(15)包括第一孔道(151)和第二孔道(152),所述第二换热区(16)包括四个孔道:第一孔道(161)、第二孔道(162)、第三孔道(163)和第四孔道(164),所述第二换热区(16)在靠近所述第一换热区(15)一侧具有两个用于连通的孔:第一孔(147)和第二孔(148),所述第二板(14)包括所述第一孔(147)和第二孔(148);所述第三板包括至少一个配合孔;所述第四板(13)包括至少两个配合孔,所述至少两个配合孔中的一个配合孔与所述至少一个配合孔中的一个配合孔的位置对应并连通;所述至少两个配合孔中的另一个配合孔与所述第二板(14)的一个孔位置对应并连通;所述第一换热区(15)的第二孔道通过所述第三板(12)、第四板(13)与所述第二换热区(16)的一个孔道连通。
- 一种换热器,其特征在于,所述换热器包括:第一换热区(15)和第二换热区(16);所述第一换热区(15)包括第一板(11),所述第二换热区(16)包括第二板(14);所述换热器还包括第三板(12)和第四板(13);所述第三板(12)主体部位于所述第一板(11)与所述第四板(13)之间,所述第四板(13)的主体部位于所述第三板(12)与所述第二板(14)之间;所述第二换热区(16)包括两个流体流道,两个流体流道之间能进行热交换;所述第一换热区(15)包括第一孔道(151)和第二孔道(152),所述第二换热区(16)包括四个孔道:第一孔道(161)、第二孔道(162)、第三孔道(163)和第四孔道(164),所述第二换热区(16)在靠近所述第一换热区(15)一侧具有两个用于连通的孔:第一孔(147)、第二孔(148),所述第二板(14)包括所述第一孔(147)与第二孔(148);所述第三板(12)包括至少一个配合部,在所述第三板(12)的所述至少一个配合部中的每个配合部设置有一个配合孔;所述第四板(13)包括至少两个配合部,在所述第四板(13)的所述至少两个配合部中的每个配合部各设置有一个配合孔;所述第三板(12)的所述至少一个配合部,与所述第四板(13)的所述至少两个配合部其中一个配合部相对设置并经焊接固定,所述第三板(12)的所述至少一个配合部的配合孔,与所述第四板(13)的至少两个配合孔中的一个配合孔相对连通;所述第二板(14)包括至少一个配合部,在所述第二板(14)的所述至少一个配合部中的一个配合部设置有其中一个孔;所述第四板(13)的所述至少两个配合部中的另一个配合部与所述第二板(12)的所述至少一个配合部中的一个配合部相对设置并焊接固定,所述第四板(13)的所述至少两个配合孔中的另一个配合孔与所述第二板(14)的所述至 少一个配合部中的一个配合部设置的孔连通;所述第一换热区(15)的第二孔道通过所述第三板(12)、第四板(13)与所述第二换热区(16)的一个孔道连通。
- 根据权利要求2所述的换热器,其特征在于,所述第三板(12)的所述配合部向所述第四板(13)方向凸出设置;所述第四板(13)的两个配合部其中一个向所述第三板(12)方向凸出设置,另一个所述配合部向所述第二板(14)方向凸出设置;所述第三板(12)具有两个配合孔:第一配合孔(127)、第二配合孔(128),其中一个所述配合孔设置在所述第三板(12)的向所述第四板(13)方向凸出的配合部,另一个所述配合孔与所述第三板(12)与所述第四板(13)之间的空间连通;所述第四板(13)具有两个用于流体流通的配合孔:第三配合孔(137)、第四配合孔(138),其中一个所述配合孔设置在所述第四板(13)的向所述第三板(12)方向凸出的配合部并与所述第四板(13)与所述第二板(14)之间的空间连通,另一个所述配合孔与所述第三板(12)与所述第四板(13)之间的空间连通。
- 根据权利要求3所述的换热器,其特征在于,所述换热器还包括接管(105);所述接管(105)至少部分位于所述第一换热区(15)的第一孔道(151),所述第一板(11)包括一个向所述第二板(14)方向凸出的配合部(111),所述第三板(12)还包括一个向所述第一板(11)方向凸出的配合部,所述第三板(12)的向所述第一板(11)方向凸出的配合部与所述第一板(11)的向所述第三板(12)方向凸出的配合部配合焊接或与所述接管(105)配合焊接;所述第一换热区(16)包括两个流体流道,其中一个流体流道包括所述第一孔道(151)与所述第二孔道(152);所述第一换热区(16)的另一个流体流道包括第三孔道、第四孔道;所述第一换热区(16)的第二孔道通过所述第三板(12)、第四板(13)与所述第二换热区(16)的一个流体流道连通,所述接管(105)的连通口(102)与所述第二换热区(16)的另一个流体流道连通。
- 根据权利要求1至4中任一所述的换热器,其特征在于,所述第一板(11)、所述第三板(12)、所述第四板(13)和所述第二板(14)的周侧均具有翻边部;所述第一板(11)、所述第三板(12)、所述第四板(13)、所述第二板(14)的翻边部朝向同一侧且所述第一板(11)的翻边部与所述第三板(12)的翻边部焊接固定,所述第三板(12)的翻边部与所述第四板(13)的翻边部焊接固定,所述第四板(13)的翻边部与所述第二板(14)的翻边部焊接固定。
- 根据权利要求5所述的换热器,其特征在于,所述第一换热区(15)具有换热芯体,所述第一换热区(15)包括多个板片,在所述换热芯体还包括翅片;所述第一板(11)、所述第三板(12)、所述第四板(13)和所述第二板(13)依次设置,且其中至少之一在其主体部设置有凹凸结构。
- 一种换热组件,其特征在于,所述换热组件包括:节流元件、连接件和权利要求1至6中任意一项所述的换热器;所述节流元件相对靠近所述第一换热区(15)并与所述换热器固定或限位设置;所述换热组件包括第一接口(53)、第二接口(54)、第三接口(55)和第四接口(56);所述连接件与所述换热器固定设置;所述第一换热区(15)的第二孔道(152)与所述第二换热区(16)的一个流体流道连通,所述节流元件的进口与所述第二换热区(16)的另一个流体流道连通,所述节流元件的出口与所述第一换热区(15)的第一孔道(151)连通。
- 根据权利要求7所述的换热组件,其特征在于,所述换热组件包括接管,所述接管与所述节流元件的进口连通,所述接管与所述第一板(11)和/或所述第二板(14)焊接固定;所述连接件设置有所述第一接口(53)、第二接口(54)、第三接口(55)、第四接口(56);所述第一接口(53)、第二接口(54)、第三接口(55)、第四接口(56)分别与所述第二换热区(16)的一个孔道连通;所述换热组件还包括第一冷却液接口部(41)和第二冷却液接口部(42);所述第一换热区(15)包括两个流体流道:冷媒流道与冷却液流道,所述冷媒流道包括所述第一孔道(151)与所述第二孔道(152),所述第一换热区(15)的冷却液流道包括第三孔道与第四孔道。
- 一种热管理***,其特征在于,所述热管理***包括冷媒流道,所述热管理***还包括如权利要求7或8所述的换热组件;所述热管理***还包括压缩机、冷凝器和至少一个蒸发器;所述冷凝器的出口通过管路连通所述第一接口(53)或者所述冷凝器的出口与所述第一接口(53)之间还包括储液器;所述压缩机的进口连通所述第二接口(54),所述蒸发器的进口连通所述第三接口(55)或者所述车辆热管理***在所述蒸发器的进口与所述第三接口(55)之间还包括节流元件,所述蒸发器的出口连通所述第四接口(56)。
- 根据权利要求9所述的车辆热管理***,其特征在于,所述车辆热管理***还包括冷却液流道;所述第一换热区(15)还包括第一冷却液接口部(41)和第二冷却液接口部(42);所述第一冷却液接口(41)部具有第一冷却液接口(51),所述第二冷却液接口部(42)具有第二冷却液接口(52);所述冷却液流道流经所述第一冷却液接口部(41)、所述第二冷却液接口部(42)及所述第一换热区(15)中与所述第一冷却液接口(51)、第二冷却液接口(52)相连通的冷却液流道。
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US18/033,332 US20240011714A1 (en) | 2020-10-23 | 2021-10-21 | Heat exchanger, heat exchange assembly, and heat management system |
EP21882089.2A EP4235075A1 (en) | 2020-10-23 | 2021-10-21 | Heat exchanger, heat exchange assembly, and heat management system |
JP2023524373A JP2023546455A (ja) | 2020-10-23 | 2021-10-21 | 熱交換器、熱交換アセンブリおよび熱管理システム |
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- 2021-10-21 JP JP2023524373A patent/JP2023546455A/ja active Pending
- 2021-10-21 EP EP21882089.2A patent/EP4235075A1/en active Pending
- 2021-10-21 KR KR1020237016704A patent/KR20230088799A/ko unknown
- 2021-10-21 US US18/033,332 patent/US20240011714A1/en active Pending
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US20240011714A1 (en) | 2024-01-11 |
EP4235075A1 (en) | 2023-08-30 |
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