CN113970264A - Heat exchange assembly - Google Patents

Heat exchange assembly Download PDF

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Publication number
CN113970264A
CN113970264A CN202010726744.7A CN202010726744A CN113970264A CN 113970264 A CN113970264 A CN 113970264A CN 202010726744 A CN202010726744 A CN 202010726744A CN 113970264 A CN113970264 A CN 113970264A
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CN
China
Prior art keywords
bridge
hole
heat exchange
interface
heat exchanging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010726744.7A
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Sanhua Automotive Components Co Ltd
Original Assignee
Zhejiang Sanhua Automotive Components Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Sanhua Automotive Components Co Ltd filed Critical Zhejiang Sanhua Automotive Components Co Ltd
Priority to CN202010726744.7A priority Critical patent/CN113970264A/en
Priority to CN202010851548.2A priority patent/CN113970267A/en
Publication of CN113970264A publication Critical patent/CN113970264A/en
Pending legal-status Critical Current

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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
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • 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
    • F28D9/04—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 being formed by spirally-wound plates or laminae
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • F28F9/268—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by permanent joints, e.g. by welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/02—Details of evaporators
    • F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • F25B2339/0241—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having plate-like elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a heat exchange assembly, which comprises a first heat exchange part, a bridge and a second heat exchange part, wherein at least part of the bridge is positioned between the first heat exchange part and the second heat exchange part, the bridge comprises two holes or grooves which face the first heat exchange part and can be communicated with the first heat exchange part, the bridge comprises two holes or grooves which face the second heat exchange part and can be communicated with the second heat exchange part, the bridge also comprises a third interface part with a third interface, and the bridge is provided with holes or grooves which are communicated with the third interface; the communication mode of fluid between the two heat exchanging parts can be relatively conveniently realized through the bridge, the structure of the bridge can be changed when different systems are required, the system pipeline is simple, the arrangement of the pipeline can be reduced between the interfaces, and the system connection is simple and convenient.

Description

Heat exchange assembly
Technical Field
The invention relates to the field of fluid control, in particular to a heat exchange assembly.
Background
Some thermal management systems include at least two heat exchangers, such as plate evaporators, and these heat exchangers and components are generally connected by pipelines and are fixedly arranged in the system.
Disclosure of Invention
In order to provide a heat exchange assembly which is relatively simple to connect when a system is connected, the invention provides the following technical scheme:
a heat exchange assembly comprises a first heat exchange part, a bridge and a second heat exchange part, wherein the bridge is at least partially positioned between the first heat exchange part and the second heat exchange part, and the first heat exchange part, the bridge and the second heat exchange part are fixed through welding; the first heat exchange part is provided with a heat exchange core body and comprises at least two fluid flow channels which are not communicated with each other; the heat exchange assembly comprises a first interface, a second interface and a third interface; the first heat exchange part comprises a first interface part and a second interface part; the first interface part has the first interface, and the second interface part has the second interface; the bridge comprises a third interface part provided with the third interface; the bridge comprises a hole and/or a groove communicated with the third interface, and the hole and/or the groove communicated with the third interface of the bridge is at least communicated with a pore channel used for communicating one of the first heat exchange part and the second heat exchange part; the bridge comprises two holes or grooves which face the first heat exchange part and are used for communication; the bridge comprises at least two holes or grooves which can be communicated with the second heat exchange part, and the mouth parts of the holes or grooves which can be communicated with the second heat exchange part of the bridge face the second heat exchange part.
The flow channel comprises a flow channel which is formed by combining two or more parts, and if the sixth interface is communicated with the fourth interface through the flow channel, the flow channel comprises a flow channel passing through the connecting piece, a flow channel formed by a space where the connecting piece faces the second heat exchange part after the connecting piece is fixed with the second heat exchange part, a flow channel formed by a space where the second heat exchange part is concave after the connecting piece is fixed with the second heat exchange part, and even a flow channel formed by combining the connecting piece, the second heat exchange part and other parts. Towards the first heat exchanging portion, the holes and or slots for communication include various cases: holes for communication, slots for communication, hole and slot combinations, hole to hole combinations, slot to slot combinations and more; the same applies to the holes and or grooves communicating with the second heat exchange portion: the hole may be communicated with the second heat exchanging part, the groove may be communicated with the second heat exchanging part, or the hole and the groove may be communicated with the second heat exchanging part. Communication also includes direct communication and indirect communication. The bridge comprises two holes or grooves which face or are close to the first heat exchanging part and are used for communication, the bridge comprises at least two holes or grooves which can be communicated with the second heat exchanging part, the holes or grooves which face or are close to the first heat exchanging part and are used for communication are not excluded and can also be used for communication with the second heat exchanging part, and if the holes or grooves are in a through hole form, the holes or grooves can face the first heat exchanging part at the same time and can also face the second heat exchanging part and are communicated with the second heat exchanging part. The description of the two being in communication via a conduit or what communication is not closed herein means that the two are in communication, and also includes the possibility of having other components between the two, such as throttling elements, separators, control valves, check valves, heat exchangers, etc.
The communication of fluid between the two heat exchanging parts can be relatively conveniently realized through the bridge, and the communication can be realized by changing the structure of the bridge when different systems are required, so that the system has simple pipelines, the arrangement of the pipelines can be reduced between the interfaces, and the system is simple and convenient to connect; in addition, the third interface part is arranged on the bridge, so that the number of interfaces of other parts can be reduced.
Drawings
Fig. 1 and 2 are schematic perspective views of a first embodiment of a heat exchange assembly provided by the present invention in two directions;
FIG. 3 is a schematic view in elevation of the heat exchange assembly of FIG. 1;
FIG. 4 is a schematic view in section along the line A-A of the assembly shown in FIG. 3;
FIG. 5 is an exploded view of the assembly;
FIG. 6 is a perspective view of the bridge of the assembly;
FIG. 7 is a front view of the bridge of FIG. 6 and a cross-sectional view along the direction B-B and along the direction C-C;
fig. 8 and 9 are perspective views of the connecting piece of the assembly in two directions;
FIGS. 10 and 11 are perspective views of another embodiment of a bridge of the above assembly;
FIGS. 12 and 13 are schematic perspective views in two directions of a second embodiment of a heat exchange assembly;
FIG. 14 is an exploded view of the heat exchange assembly of FIG. 12;
FIG. 15 is a schematic perspective view of the bridge of the heat exchange assembly of FIG. 12 in two orientations;
FIG. 16 is a front view of the bridge of FIG. 15;
FIG. 17 is an exploded view of the connection of the heat exchange assembly of FIG. 12;
FIGS. 18 and 19 are schematic perspective views in two directions of a third embodiment of a heat exchange assembly;
FIG. 20 is a schematic view of a bridge of the heat exchange assembly of FIGS. 18 and 19;
FIG. 21 is an exploded view of the heat exchange assembly of FIGS. 18 and 19;
FIG. 22 is a perspective view of the heat exchange assembly connector of FIGS. 18 and 19;
FIGS. 23 and 24 are schematic views showing the connecting block of the connector shown in FIG. 22 in the forward and reverse directions;
FIG. 25 is a schematic perspective view of a fourth embodiment of a heat exchange assembly;
FIG. 26 is an exploded view of the heat exchange assembly of FIG. 25;
FIG. 27 is a schematic perspective view of a bridge of the heat exchange assembly of FIG. 25;
FIG. 28 is a front view of the bridge of FIG. 27 and cross-sectional views in the E-E and D-D directions;
FIG. 29 is a schematic perspective view of a fifth embodiment of a heat exchange assembly;
FIG. 30 is an exploded view of the heat exchange assembly of FIG. 29;
FIG. 31 is a schematic view of a bridge of the heat exchange assembly of FIG. 29;
FIG. 32 is a schematic view of the bridge of FIG. 31 in another orientation and in cross-section in the G-G and F-F directions;
FIG. 33 is a schematic perspective view of a sixth embodiment of a heat exchange assembly;
FIG. 34 is an exploded view of the heat exchange assembly of FIG. 33;
FIG. 35 is a schematic perspective view of the bridge of the heat exchange assembly of FIG. 33 in two orientations;
FIG. 36 is a schematic front and rear view of the bridge of FIG. 35;
FIG. 37 is a schematic perspective view of the connection member of the heat exchange assembly of FIG. 33 in two orientations;
in the figure: 10 a first heat exchanging part, 100 a matching part, 101 a first connecting part, 102 a second connecting part, 103 a first hole channel, 104 'a second hole channel, 105' a communication port, 110 a throttling element,
20 bridge, 200 bridge first mating portion, 200 'bridge second mating portion, 202' pilot hole, 203 'first groove, 2031 indentation, 2032 hole, 204' pilot, 2041 hole, 2042 groove, 2045 first wall, 2046 second wall, 205 second groove, 206 'through hole, 207 second mounting portion, 2080 groove, 2081' hole, 2082 inclined hole, 2084 hole, 209 mounting portion, 211 third interface portion, 212, 213 shoulder, 215 first wall, 216 second wall, 217 protrusion, 2171 first side, 2172 second side, 218 second protrusion, 221 fixing hole, 222 groove, 223, 224 through hole, 250 sensing element, 2501 head, 262 hole, 263, third groove, 264 pilot groove, 2640 transition portion, 2641 first portion, 2642 second portion, fourth groove, 265 hole,
30 second heat exchanging part, 300' matching part, 301 third hole channel, 302 fourth hole channel, 303 first hole channel, 304 second hole channel,
40 connecting pieces, 4010 main body part, 4011 extending part, 405 groove, 409 fixing hole, 411 connecting block, 4111, 4112 and 4113 through hole, 412 connecting plate, 4121, 4122, 4123, 4124 and 4125 through hole, 4131 first interface matching part, 4132 second interface matching part, 4133 third interface matching part, 421 connecting block, 4211 and 4212 grooves, 4213, 4214, 4215 and 4216 interface parts, 4217 and 4218 holes, 423 interface matching part, 441 connects one part, 442 connects two parts and 450 fixing piece; 45, connector, 4510 body, 4511 extension, 455 slot;
51 a first interface, 52 a second interface, 53 a third interface, 54 a fourth interface, 55 a fifth interface, 56 a sixth interface, 57 a seventh interface, 58 an eighth interface.
Detailed Description
The following description is made with reference to the specific embodiments, and referring to fig. 1 to 9, fig. 1 and 2 are schematic perspective views in two directions of a first embodiment of a heat exchange assembly provided by the present invention, fig. 3 is a schematic view in a front view direction of the heat exchange assembly, fig. 4 is a schematic view in a direction a-a of the assembly shown in fig. 3, fig. 5 is an exploded schematic view of the assembly, fig. 6 is a schematic view in cross section of a bridge of the assembly, fig. 7 is a schematic view in a front view of the bridge shown in fig. 6 and a schematic view in a cross section in a direction B-B and a direction C-C, and fig. 8 and 9 are schematic perspective views in two directions of a connecting member of the assembly. As shown, the heat exchange assembly includes a first heat exchange portion 10, a throttling element 110, a bridge 20, a second heat exchange portion 30, and a connection member 40. The bridge 20 is located between the first heat exchanging part 10 and the second heat exchanging part 30, the connecting member 40 is located at the other side of the second heat exchanging part 30, that is, the bridge 20 and the connecting member 40 are partially located at both sides of the second heat exchanging part, and the first heat exchanging part 10, the bridge 20 and the second heat exchanging part 30 are fixed by welding, or the first heat exchanging part 10, the bridge 20, the second heat exchanging part 30 and the connecting member are fixed by welding.
The first heat exchanging portion 10 has a heat exchanging core, the first heat exchanging portion 10 has two channels through which fluid flows for heat exchange, the two fluid channels are separated from each other, the first heat exchanging portion 10 includes interlayer channels separated by plate lamination, the first heat exchanging portion 10 can flow at least two fluids, and the two fluids can exchange heat in the first heat exchanging portion, for example, one fluid is a refrigerant, and the other fluid is a cooling liquid, for example, used for cooling heat generating elements such as batteries; in addition, the cooling fluid can be used for three fluids, for example, one fluid is a refrigerant, the other two fluids can be cooling fluids, the two cooling fluids can exchange heat with the refrigerant through control and selection, and then the cooling fluids can be used for cooling components needing cooling after heat exchange and temperature reduction, and the two fluids are taken as an example for description below.
The heat exchange assembly is provided with a first interface 51, a second interface 52, a third interface 53, a fourth interface 54, a fifth interface 55, a sixth interface 56 and a seventh interface 57. In this embodiment, the first heat exchanging portion is provided with a first port 51 and a second port 52, the bridge 20 is provided with a third port 53, and the connecting member 40 is provided with a fourth port 54, a fifth port 55, a sixth port 56, and a seventh port 57. The throttling element 110 is fixedly or limitedly arranged with the first heat exchanging portion 10, wherein the first heat exchanging portion 10 has 4 hole passages such as a first hole passage 103 and a second hole passage 104 (not all shown in the figure), the first heat exchanging portion is further provided with a pipe having a communication opening 105 at the hole passage 104, and the communication opening 105 is communicated with the throttling element 110. The first heat exchanging part 10 includes a first interface part 101 and a second interface part 102, the first interface part 101 has a first interface 51 for communicating with the coolant, the second interface part 102 has a second interface 52 for communicating with the coolant, the first interface 51 communicates with the second interface 52 through a flow channel of the heat exchanging core, the first interface part 101 and the second interface part 102 may be part of a side plate of the first heat exchanging part, or may be separately processed and fixed with the side plate and/or the heat exchanging core of the first heat exchanging part by welding, and the first interface part and the second interface part may also be fixed with the first heat exchanging part by means of pipe fittings.
The bridge 20 has a first fitting portion 200 and a second fitting portion 200 ', and correspondingly, the first heat exchanging portion 10 has a fitting portion 100, the fitting portion 100 is correspondingly fitted with the first fitting portion 200 of the bridge, and the second heat exchanging portion 30 has a fitting portion 300, the fitting portion 300 is correspondingly fitted with the second fitting portion 200' of the bridge; the fitting portion 100 of the first heat exchanging portion 10, the fitting portion 300 of the second heat exchanging portion 30 and the two fitting portions of the bridge each include a planar portion, the opening of the hole or the groove or the conduction portion for communication provided on the side of the first fitting portion 200 of the bridge is located inside the first fitting portion, and the periphery of each opening for communication is surrounded by the first fitting portion, and the first heat exchanging portion has a corresponding communicated opening at a position corresponding to each opening for communication of the bridge, and each communicated opening of the first heat exchanging portion is located inside the fitting portion thereof and each opening for communication is surrounded by the fitting portion; in this way, after the mating portion 100 of the first heat exchanging portion 10 and the first mating portion 200 of the bridge are welded and sealed, the communication port of the bridge can be communicated with the communication port corresponding to the first heat exchanging portion, or the periphery of each communication port includes a part of the mating portion, and the two mating portions arranged opposite to each other form a substantially closed structure; the fitting portion 300 of the second heat exchanging portion 30 corresponds in position to the second fitting portion 200' of the bridge, and after the both are welded and sealed, the mouths for communication of the bridge on the side are each in communication with the mouth for communication of the second heat exchanging portion, specifically, the second heat exchanging portion 30 has three portholes at the side opposite to the bridge 20: the bridge 20 has a mouth portion of the diversion hole 202, a mouth portion of the first groove 203, and a mouth portion of the hole 2041 of the diversion portion 204 at a second fitting portion, which is an opposite side of the second heat exchanging portion 30, the mouth portion of the third hole 301 of the second heat exchanging portion corresponds to the mouth portion of the diversion hole 202, the mouth portion of the fourth hole 302 corresponds to the mouth portion of the first groove 203, the mouth portion of the first hole 303 corresponds to the mouth portion of the hole 2041 of the diversion portion 204, the mouth portion of the hole 2041 extends substantially vertically, and the mouth portion of the first groove 203 extends substantially vertically.
The terms "upper" and "lower" are used herein for clarity of description and should not be construed as limiting, and correspond accordingly to the height direction herein. Herein, the holes include, but are not limited to, through holes and blind holes, and the shape of the holes can be circular or non-circular; the grooves are generally directed to the case of no penetration, and the grooves also include the case of most non-penetration but partial penetration.
The bridge 20 further includes a third interface portion 211, the third interface portion 211 has a third interface 53, the third interface portion 211 includes an outwardly protruding structure, and the third interface portion 211 may be a structure integrated with the main body of the bridge or a structure separately processed and fixed to the main body of the bridge by welding. In addition, the bridge 20 is provided with a through hole 206, the first groove 203 is a structure similar to a blind hole and extends up and down, and the side of the first groove 203 relatively close to the third interface side is provided with the through hole 206; the bridge is provided with a second groove 205 at one side where the first matching part is located, the second groove 205 is a structure similar to a blind hole and extends up and down, and the through hole 206 is located at the side of the second groove 205 relatively far away from the third interface part; the first groove 203 and the second groove 205 are communicated through a through hole 206, or the end of the first groove 203 extending is the through hole 206 or a part of the through hole 206, and the end of the second groove 205 extending is the through hole 206 or a part of the through hole 206, as shown in fig. 7. The flow guide hole 202 is a similar blind hole, the opening of the flow guide hole 202 is arranged on one side of the second matching part, the flow guide hole 202 is communicated with the third interface 53, the depth of the flow guide hole is more than or equal to one half of the thickness of the bridge, or the depth of the flow guide hole is close to one half of the thickness of the bridge, for example, more than or equal to one third of the thickness of the bridge is less than two thirds of the thickness of the bridge; the guiding portion 204 includes a hole 2041 and a groove 2042, the hole 2041 is a similar through hole, the groove 2042 is a similar blind hole, and the opening of the groove 2042 is disposed on the side of the first matching portion. Herein, the side of the bridge facing the first heat exchanging portion is defined as a front side, the side of the bridge facing the second heat exchanging portion is defined as a back side, in this example, the side of the bridge facing the first groove 203 is defined as a back side, the side of the bridge facing the second groove 205 is defined as a front side, the side of the bridge facing the first groove 203 is defined as a back side, the side of the bridge facing the second groove 205 is defined as a back side, the side of the bridge facing the first groove 203 is defined as a back side, the projection of the first groove 203 facing the front side is at least partially located in the groove 2042 of the conducting portion, the projection of the flow guiding hole 202 facing the front side is at least partially located in the second groove 205, that is, the flow guiding hole 202 and the second groove 205 are at least partially opposite to each other and are not directly communicated with each other, and the first groove 203 and the groove 2042 are at least partially opposite to each other and not directly communicated with each other.
The connecting element 40 includes a main body 4010 and an extending portion 4011, the connecting element 40 is provided with a fourth interface 54, a fifth interface 55, a sixth interface 56, a seventh interface 57, and a fixing hole 409 for fitting and fixing or limiting, the connecting element 40 has a groove 405 on a side facing the second heat exchanging portion 30, the groove 405 has a structure similar to a blind hole, the seventh interface 57 is provided at a position of the groove 405 relatively close to the fourth interface 54, the fifth interface 55 is provided at a position substantially in the middle of the groove 405, the fifth interface 55 is communicated with the groove 405, and the seventh interface 57 is communicated with the groove 405. The connector may further include a fixing member 450 for fixing or limiting, and the fixing member 450 can be fixed or limited in the fixing hole 409.
The heat exchange assembly enables the heat management system to be convenient to install and connect, connected pipelines are reduced, and the size of the system is reduced. The heat exchange assembly is used for an example of a vehicle thermal management system, it should be noted that in actual use, the components are fixed, and for clarity of illustration, the flow mode of the refrigerant is shown in the exploded view, which is for clarity of illustration only. In a specific vehicle thermal management system, the vehicle thermal management system includes a coolant system and a battery thermal management system, referring to fig. 5 and other views, the battery thermal management system includes a first interface 101 and a second interface 102 of a heat exchange assembly, and a runner portion of the first heat exchange portion, which is communicated with the first interface and the second interface, heat of a battery can be transferred to coolant, and the coolant flows through the runner portion of the first heat exchange portion through the first interface 51 or the second interface 52, and exchanges heat with a coolant in another runner of the first heat exchange portion, and the coolant returns to cool the battery after being cooled. The third port 53, the fourth port 54, the fifth port 55, the sixth port 56, and the seventh port 57 are respectively used for communicating with a refrigerant system, for example, the refrigerant cooled by the condenser enters the heat exchange assembly through the third port 53, or the refrigerant passing through the liquid reservoir enters the heat exchange assembly through the third port 53, such that the refrigerant with high temperature and high pressure passes through the diversion hole 202 to the third hole 301 of the second heat exchange portion, and after the second heat exchange portion 30 exchanges heat with the refrigerant of another flow passage, passes through the fourth hole 302, and the refrigerant passing through the fourth hole 302 is divided into two parts: a part of the flow channel formed by the space where the groove 405 is located and formed by matching the connecting piece 40 and the second heat exchanging part flows out through the fifth interface 55 and the seventh interface 57, such as leading to the front evaporator through the fifth interface 55, leading to the rear evaporator through the seventh interface 57, or leading to the rear evaporator through the fifth interface 55 and leading to the front evaporator through the seventh interface 57, and a throttling element can be arranged in front of the front evaporator or the rear evaporator; the other part of the refrigerant enters the throttling element 110 through a flow channel formed by the space where the first groove 203 is located and matched with the matching part of the second heat exchanging part through the bridge, a through hole 206, a flow channel formed by the space where the second groove 205 is located and matched with the matching part of the first heat exchanging part through the bridge, and a communication port communicated with the throttling element, enters the pore channel of the first heat exchanging part 10 after being throttled by the throttling element 110, exchanges heat with the cooling liquid in the cooling liquid channel at the refrigerant flow channel of the first heat exchanging part, reaches the first pore channel 103, passes through a flow channel formed by the flow guide part 204 and matched with the bridge, the first heat exchanging part and the second heat exchanging part, reaches the first pore channel 303 of the second heat exchanging part, and flows out through a fourth port communicated with the first pore channel 303, such as returning to the compressor; in addition, the sixth port 56 may be configured to communicate the refrigerant flowing back from the front evaporator and/or the rear evaporator, the portion of the low-temperature refrigerant flows to the first port 303 through the second port 304 of the second heat exchanging portion, and exchanges heat with the high-temperature refrigerant flowing from the third port 301 to the fourth port 302, and in the first port 303, the two portions of the refrigerant may flow back to the compressor through the fourth port after converging, so that the portion of the low-temperature refrigerant is used to cool the high-temperature refrigerant, and the condensing temperature of the refrigerant may be reduced without making the temperature of the refrigerant returning to the compressor higher. The flow direction is for illustration only and is not intended to be limiting and not a requirement of a closed system, and other components such as other control valves and the like may be added in front of the compressor. The bridge 20 is further provided with a second mounting portion 207 for mounting a sensing element 250, such as a temperature sensing element, so that a sensing head 2501 for sensing temperature passes through the mounting portion and is located in the flow passage where the flow guide portion 204 is located, so as to obtain the temperature of the refrigerant passing through the first heat exchanging portion or the outlet temperature of the evaporator.
The heat exchange assembly can realize heat exchange between a high-temperature refrigerant and a part of low-temperature refrigerant, reduces the temperature of the high-temperature refrigerant, and does not cause the temperature of the refrigerant back to the compressor to be too high, so that the efficiency is improved, the arrangement of pipelines can be reduced between interfaces, and the system is simple and convenient to connect. In addition, in order to further reduce the weight, as shown in fig. 10 and 11, the bridge is modified from the above embodiment, a hole 2032 is also removed from the middle of the bridge, the shape of the hole 2032 may be non-standard and may be removed according to the need of the fit welding, the hole is a through hole, the distance from the through hole 2032 to the second groove 205 for communication of the bridge facing the first heat exchanging part is 1.5mm or more, and the distance from the through hole 2032 to the conducting part 204 for communication of the bridge facing the first heat exchanging part is 1.5mm or more; the distance from the through hole 2032 to the hole 202 'for communication of the second heat exchanging portion of the bridge is 1.5mm or more, the hole 202' is a diversion hole, the distance from the through hole 2032 to the first groove 203 for communication of the second heat exchanging portion of the bridge is 1.5mm or more, the distance from the through hole 2032 to the hole 2041 for communication of the second heat exchanging portion of the bridge is 1.5mm or more, or the distance is the distance that the bridge is used for the mating portion for welding with the mating of the first heat exchanging portion and the second heat exchanging portion respectively. However, the weight-reducing holes do not necessarily need through holes, and for example, blind holes or grooves formed on both sides of the bridge and recessed toward the both sides of the bridge can reduce the weight and facilitate welding, but the through holes are more suitable for processing. In addition, a notch 2031 which is a concave part is formed on one side, so that the area of a first matching part matched with the first heat exchange part of the bridge can be reduced, the area of a second matching part matched with the second heat exchange part can be reduced, the area of matching welding can be reduced, the welding quality is improved, and the weight can be reduced. At the intersection of the hole 2041 and the groove 2042, the bridge has a first wall portion 215 and a second wall portion 216, a first wall surface 2045 of smooth transition is formed on the surface of the first wall portion 215 facing the flow guide portion, and a second wall surface 2046 of smooth transition is formed on the surface of the second wall portion 216 facing the flow guide portion, so that the flow resistance of the refrigerant can be reduced due to the arrangement of the smooth transition portion when the refrigerant turns through a flow channel formed by the flow guide portion 204' and formed by matching the bridge, the first heat exchanging portion and the second heat exchanging portion. The non-circular flow guiding holes 202' are slightly extended transversely, so that the matching and circulation are more convenient.
A second embodiment of the heat exchange assembly will be described, referring to fig. 12 to 17, fig. 12 and 13 are schematic perspective views in two directions of the heat exchange assembly, fig. 14 is a schematic exploded view of the heat exchange assembly, fig. 15 is a schematic perspective view in two directions of a bridge of the heat exchange assembly, fig. 16 is a schematic front view of the bridge shown in fig. 15, and fig. 17 is a schematic exploded view of a connecting member of the heat exchange assembly shown in fig. 12. The heat exchange assembly comprises a first heat exchange part 10, a bridge 20, a second heat exchange part 30 and a connecting piece. The heat exchange assembly is provided with a first interface 51, a second interface 52, a third interface 53, a fourth interface 54, a fifth interface 55, a sixth interface 56, a seventh interface 57 and an eighth interface 58. The bridge 20 is provided with a third interface portion 211. The throttling element 110 is fixedly or limitedly arranged with the first heat exchanging part 10, wherein the first heat exchanging part 10 has 4 ducts, such as a first duct 103 and a second duct 104 (not all shown in the figures), the first heat exchanging part 10 includes a first interface portion 101 and a second interface portion 102, the first interface portion 101 has a first interface 51 for communicating with the coolant, the second interface portion 102 has a first interface 52 for communicating with the coolant, the first interface 51 communicates with the second interface 52 through a flow channel of the heat exchange core, and the first interface portion 101 and the second interface portion 102 may be part of a side plate of the first heat exchanging part, or may be separately processed and fixed with the side plate and/or the heat exchange core of the first heat exchanging part by welding.
The bridge 20 has a first fitting portion 200, the first heat exchanging portion 10 has a fitting portion 100 fitted with the first fitting portion 200 of the bridge, the first fitting portion 200 is opposite to and fitted with the fitting portion of the first heat exchanging portion, the fitting portion 100 of the first heat exchanging portion 10 and the first fitting portion 200 of the bridge each include a planar portion, the bridge has a hole or a groove or a communicating portion provided at the side of the first fitting portion 200 for communication, the mouth portion of each of the communicating mouth portions is located inside the first fitting portion, and the periphery of each of the communicating mouth portions is surrounded by the first fitting portion, the first heat exchanging portion has a corresponding communicating mouth portion at a position corresponding to each communicating mouth portion of the bridge, and each of the communicating mouth portions is located inside the fitting portion thereof and each of the communicating mouth portions is surrounded by the fitting portion; or, both comprise a substantially closed structure at the oppositely disposed mating portions; in this way, after the fitting portion 100 of the first heat exchanging portion 10 and the first fitting portion 200 of the bridge are welded and sealed, the communication port of the bridge is communicated with the communication port corresponding to the first heat exchanging portion, specifically, the first heat exchanging portion 10 has the port of the first duct 103 and the communication port 105 of the pipe communicated with the throttling element on the side opposite to the bridge 20, the first heat exchanging portion 10 has the port of the first duct 103 and the communication port 105 communicated with the throttling element on the side opposite to the bridge 20, the bridge 20 has the corresponding hole 223 and hole 224 on the side opposite to the first heat exchanging portion 10, the port of the hole 223 corresponds to the position of the port of the first duct 103 of the first heat exchanging portion, and the port of the hole 224 corresponds to the communication port 105 communicated with the throttling element; the holes 223 and 224 are through holes.
The bridge 20 has a second fitting portion 200 ', the second fitting portion 200 ' faces the second heat exchanging portion, the second heat exchanging portion 30 has a fitting portion 300, the fitting portion 300 of the second heat exchanging portion 30 and the second fitting portion 200 ' of the bridge each include a planar portion, the mouths of the holes or the grooves or the conducting portions for communication provided at the side of the second fitting portion of the bridge are located inside the second fitting portion and the periphery of each mouth for communication is surrounded by the second fitting portion, the second heat exchanging portion has corresponding communicated mouths at positions corresponding to the positions of each mouth for communication of the bridge, and each communicated mouth is located inside the fitting portion thereof and the periphery of each mouth for communication is surrounded by the fitting portion; or the periphery of each opening part for communication comprises a part of the matching part, and the two parts form a roughly closed structure at the matching part which is arranged oppositely; the fitting portion 300 of the second heat exchanging portion 30 corresponds in position to the second fitting portion 200' of the bridge, and after the two are welded and sealed, the mouth portion for communication of the bridge on the side can communicate with the mouth portion for communication of the second heat exchanging portion, specifically, the second heat exchanging portion 30 has three portholes on the side opposite to the bridge 20: the bridge 20 has a mouth portion of the guide hole 202, a mouth portion of the hole 223, and a mouth portion of the hole 224 at a second fitting portion, which is an opposite side of the second heat exchanging portion 30, the third port 301, the fourth port 302, and the first port 303, the mouth portion of the third port 301 of the second heat exchanging portion corresponding to the mouth portion of the guide hole 202, the mouth portion of the fourth port 302 corresponding to the mouth portion of the hole 224, and the mouth portion of the first port 303 corresponding to the mouth portion of the hole 223. The bridge 20 further includes a third interface portion 211, the third interface portion 211 has a third interface 53, the third interface portion 211 includes an outwardly protruding structure, and the third interface portion 211 may be a structure integrated with the main body of the bridge or a structure separately processed and fixed to the main body of the bridge by welding. The bridge 20 is provided with 4 holes 2032, and the holes 2032 are non-circular through holes or may be circular. The flow guide hole 202 is a blind hole, the opening of the flow guide hole 202 is disposed at the second fitting portion, and the flow guide hole 202 is communicated with the third port 53. The bridge further comprises a protrusion 217 and a second protrusion 218, the protrusion 217 being arranged to protrude substantially laterally along the main body, the second protrusion 218 being arranged to protrude substantially outwardly from a corner of the main body, a first side 2171 of the protrusion 217 being lower than the second mating portion 200 'of the bridge, and a second side 2172 of the protrusion 217 being lower than the first mating portion 200' of the bridge; the two side surfaces of the second convex part are correspondingly lower than the matching parts on the corresponding sides of the two sides of the bridge; or the protrusion 217 has a thickness smaller than that of the bridge body portion, and the second protrusion 218 has a thickness smaller than that of the bridge body portion. Providing a protrusion and a second protrusion may reduce the main body of the bridge, such that the fixing hole 221 may be at least partially provided in the protrusion 217 and/or the second protrusion 218, and such that at least part of the third interface portion 211 may be located in the second protrusion, thereby reducing the main body thereof.
The connecting piece comprises a connecting block 411, a connecting plate 412, a first connecting pipe matching part 4131, a second connecting pipe matching part 4132 and a third connecting pipe matching part 4133, and the connecting block 411, the connecting plate 412, the first connecting pipe matching part 4131, the second connecting pipe matching part 4132 and the third connecting pipe matching part 4133 can be fixed through welding; the thickness of the connection block 411 is greater than that of the connection plate 412. The first nozzle fitting portion 4131 is provided with a fourth port 54, the second nozzle fitting portion 4132 is provided with a seventh port 57 and an eighth port 58, and the third nozzle fitting portion 4133 is provided with a fifth port 55 and a sixth port 56. The three connecting pipe matching parts of the connecting piece are also provided with fixing holes 409 which are used for matching and fixing or limiting with the fixing piece 450. The connecting plate 412 is located between the connecting block 411 and the three connecting pipe matching portions, and the connecting block is relatively close to the second heat exchanging portion, or the connecting block is close to the second heat exchanging portion and fixed by welding. The connection block 411 has three through holes: the through hole 4111, the through hole 4112, the through hole 4113, the through hole 4111 and the through hole 4112 are non-circular, may be disposed obliquely, or may be disposed in an arc shape, and the shape is not required, as long as the positions at the two ends can communicate with corresponding flow channels, the through hole 4113 is circular; one side of the through hole 4111 and one side of the through hole 4112 are located on one side of the connecting block, which is relatively close to the length direction, with the through hole 4113. The connecting plate has five through-holes: 4121. 4122, 4123, 4124, 4125, where the through hole 4121 and the through hole 4125 correspond to the through hole 4111, i.e., both the through hole 4121 and the through hole 4125 can communicate with the through hole 4111; the through hole 4122 and the through hole 4124 correspond to the through hole 4112, respectively, that is, the through hole 4122 and the through hole 4124 both communicate with the through hole 4112, and the through hole 4123 corresponds to the through hole 4113; the position of the fourth port 54 corresponds to the through hole 4121, and the fourth port can be communicated with the through hole 4121, namely the through hole 4111 of the connecting block; the position of the eighth port 58 corresponds to the through hole 4125, and the eighth port can be communicated with the through hole 4125, namely the through hole 4111 of the connecting block; the position of the seventh port 57 corresponds to the through hole 4124, and the seventh port can be communicated with the through hole 4124, namely communicated with the through hole 4112 of the connecting block; the position of the fifth interface 55 corresponds to the through hole 4122, and the fifth interface can be communicated with the through hole 4122, namely communicated with the through hole 4112 of the connecting block; the position of the sixth port 56 corresponds to the through hole 4123, and the sixth port can communicate with the through hole 4123, that is, the through hole 4113 of the connection block. In this embodiment, the connecting member can be formed by machining and assembling the connecting member by using a profile or a stamping, and the machining steps can be reduced.
The heat exchange assembly enables the heat management system to be convenient to install and connect, connected pipelines and connecting interfaces are reduced, and the size of the system is reduced. The heat exchange assembly is used for an example of a vehicle thermal management system, it should be noted that in actual use, the components are fixed, for clarity of illustration, the refrigerant flow mode is shown in the exploded view, and for clarity of illustration, refer to fig. 14 and other views. Taking a vehicle thermal management system as an example, the vehicle thermal management system includes a coolant system and a battery thermal management system, the battery thermal management system includes a first interface 101 and a second interface 102 of a heat exchange assembly, and a runner portion where the first heat exchange portion is communicated with the first interface and the second interface, heat of the battery can be transferred to coolant, the coolant flows through the runner portion of the first heat exchange portion through the first interface 51 or the second interface 52, the coolant in the other runner exchanges heat with the first heat exchange portion, and the coolant returns to cool the battery after being cooled. The third port 53, the fourth port 54, the fifth port 55, the sixth port 56, the seventh port 57, and the eighth port 58 are respectively used for communicating with a refrigerant system, and if a refrigerant cooled by the condenser enters the heat exchange assembly through the third port 53, or enters the heat exchange assembly through the third port 53 via a refrigerant in the reservoir, the refrigerant with high temperature and high pressure passes through the diversion hole 202 to the third hole 301 of the second heat exchange portion, and after exchanging heat with a refrigerant in another flow passage in the second heat exchange portion 30, reaches the fourth hole 302, and the refrigerant reaching the fourth hole 302 is divided into two parts: a part of the flow path formed by the connecting piece and the second heat exchanging part, such as the through hole 4112 of the connecting block 411, the through hole 4124 of the connecting plate to the seventh port 57, and the flow path formed by the through hole 4112 of the connecting block 411 of the connecting piece, the through hole 4122 of the connecting plate to the fifth port 55, flows out through the fifth port 55 and the seventh port 57, such as leading to the front evaporator through the fifth port 55, leading to the rear evaporator through the seventh port 57, or leading to the rear evaporator through the fifth port 55, leading to the front evaporator through the seventh port 57, and a throttling element may be further arranged in front of the front evaporator or the rear evaporator; the other part of the refrigerant enters the throttling element 110 through the through hole 224 of the bridge and the pipeline communicating port 105 communicated with the throttling element 110, the bridge is not communicated with the second pore passage 104, the throttling element 110 enters the second pore passage 104 of the first heat exchanging part 10 after throttling, and exchanges heat with the cooling liquid of the cooling liquid flow passage in the refrigerant flow passage of the first heat exchanging part to reach the first pore passage 103, and then enters the first pore passage 303 of the second heat exchanging part through the through hole 223 of the bridge, and flows out through the through hole 411 of the connecting block communicated with the first pore passage 303, the through hole 4121 of the connecting plate and the fourth port 54, for example, returns to the compressor; in addition, the sixth port 56 may be configured to communicate the refrigerant flowing back from the front evaporator and/or the rear evaporator, the low-temperature refrigerant flows to the second duct 304 of the second heat exchanging portion through the through hole 4123 of the connecting plate and the through hole 4113 of the connecting block, then flows to the first duct 303, exchanges heat with the high-temperature refrigerant flowing from the third duct 301 to the fourth duct 302, and after converging, the two portions of the refrigerant may flow back to the compressor through the fourth port in the first duct 303; the eighth port 58 may be used to communicate the refrigerant flowing back from the rear evaporator and/or the front evaporator, and the low-temperature refrigerant passes through the through hole 4125 of the connection plate, the through hole 4111 of the connection block, joins with the rest of the refrigerant, and may return to the compressor through the fourth port. The flow direction is for illustration only and is not intended to be limiting and not a requirement of a closed system, and other components such as other control valves and the like may be added in front of the compressor. The bridge 20 is provided with a second mounting portion 207 for mounting a sensing element 250, such as a temperature sensing element, the hole of the second mounting portion 207 can be communicated with the through hole 223, so that a sensing head 2501 for sensing temperature can pass through the mounting portion and be positioned in the flow passage where the through hole 223 is located, and thus the temperature of the refrigerant passing through the first heat exchanging portion or the outlet temperature of the evaporator can be obtained.
A third embodiment of the heat exchange assembly is described, referring to fig. 18-24, fig. 18 and 19 are schematic perspective views of the heat exchange assembly in two directions, fig. 20 is a schematic view of a bridge of the solution, fig. 21 is an exploded schematic view of the heat exchange assembly, fig. 22 is a schematic perspective view of a connecting piece of the heat exchange assembly, and fig. 23 and 24 are schematic views of connecting pieces of the connecting piece shown in fig. 22 in two directions, namely a front direction and a back direction.
The heat exchange assembly comprises a first heat exchange part 10, a bridge 20, a second heat exchange part 30 and a connecting piece. The heat exchange assembly is provided with a first interface 51, a second interface 52, a third interface 53, a fourth interface 54, a fifth interface 55, a sixth interface 56, a seventh interface 57 and an eighth interface 58. The throttling element 110 is fixedly or limitedly arranged with the first heat exchanging part 10, wherein the first heat exchanging part 10 has 4 pore channels such as a first pore channel 103 and a second pore channel 104 (the remaining 2 pore channels are not shown in the figures), the first heat exchanging part 10 includes a first interface part 101 and a second interface part 102, the first interface part 101 has a first interface 51 for communicating with the coolant, the second interface part 102 has a first interface 52 for communicating with the coolant, the first interface 51 communicates with the second interface 52 through a flow channel of the heat exchange core, and the first interface part 101 and the second interface part 102 may be part of a side plate of the first heat exchanging part, or may be separately processed and fixed with the side plate and/or the heat exchange core of the first heat exchanging part by welding.
The bridge 20 has a first fitting portion 200 and a second fitting portion 200 ', and accordingly, the first fitting portion 200 is opposite to and fitted to the fitting portion 100 of the first heat exchanging portion 10, the second fitting portion 200' is opposite to and fitted to the fitting portion 300 of the second heat exchanging portion 30, the fitting portion 100 of the first heat exchanging portion 10, the fitting portion 300 of the second heat exchanging portion 30, and the two fitting portions of the bridge each include a planar portion, the bridge 20 includes a through hole 223 and a through hole 222, and the through hole 222 extends substantially in a transverse direction; the bridge 20 further includes a second mounting portion 207, the bore of the second mounting portion 207 being in communication with the through-hole 222, or the mounting portion being disposed adjacent to the through-hole 222. The openings of the through hole 223 and the through hole 222 close to the first heat exchange portion side are located inside the first matching portion and are surrounded by the first matching portion, or the peripheries of the openings of the through hole 223 and the through hole 222 are provided with plane portions for matching, welding and sealing; on the other side, the mouths of the through hole 223 and the through hole 222 are positioned in the second matching part and are surrounded by the second matching part, or the peripheries of the mouths of the through hole 223 and the through hole 222 are provided with plane parts for matching, welding and sealing; in this way, after the fitting portion 100 of the first heat exchanging portion 10 and the first fitting portion 200 of the bridge are welded and sealed, the mouth portions of the two through holes of the bridge are communicated with the mouth portions for communication corresponding to the first heat exchanging portion, specifically, the through hole 223 of the bridge is communicated with the communication port 105, the communication port 105 is communicated with the throttling element, and the through hole 222 is communicated with the first duct 103 of the first heat exchanging portion 10; the mouths of the two through holes of the bridge are communicated with the mouths, corresponding to the second heat exchanging part, for communication, the through hole 223 of the bridge is communicated with the fourth duct 302 of the second heat exchanging part, and the through hole 222 is communicated with the first duct 303 of the second heat exchanging part 30.
The bridge 20 further includes two through holes 2032, where the through holes 2032 are formed to reduce the weight of the bridge, reduce the area of the flat portions of the two fitting portions of the bridge, and reduce the fitting portions of the bridge with the first and second heat exchanging portions, so that the range of contact welding can be relatively controlled, and the corresponding welding quality can be improved. The bridge in the scheme is relatively simple to manufacture, if a section can be adopted, the section can be provided with 4 corresponding through holes, the bridge is manufactured by blanking, machining the mounting part, two matching parts on two sides and the like, and the machining steps can be relatively reduced.
The connecting element comprises a connecting block 421 and an interface fitting 423, and the connecting block 421 and the interface fitting 423 can be fixed by welding or can be connected by a fixing element and a sealing element in a sealing manner. The connector is provided with a third port 53, a fourth port 54, a fifth port 55, a sixth port 56, a seventh port 57, and an eighth port 58. The connecting block comprises a third interface part 4213, a fourth interface part 4214, a fifth interface part 4215 and a sixth interface part 4216, and the third interface part 4213, the fourth interface part 4214, the fifth interface part 4215 and the sixth interface part 4216 can be of an integrated structure of a plate body part of the connecting block or of a structure which is separately processed and fixed with the plate body part of the connecting block through welding. The connecting block is further provided with a through hole 4217, a through hole 4218, and a fixing hole 429 for matching and fixing or limiting, the connecting piece is provided with a groove 4211 and a groove 4212 on one side facing the second heat exchanging part 30, the groove is of a structure similar to a blind hole, the connecting block is respectively provided with a fourth interface 54 and the through hole 4218 on two opposite sides of the groove 4211, and the fourth interface 54 and the through hole 4218 are communicated with the groove 4211; the connecting block is provided with a fifth interface 55 and a through hole 4217 in the groove 4212 respectively, and the fifth interface 55 and the through hole 4217 are communicated with the groove 4212. The sixth port 56 communicates with the second port 304 of the second heat exchanging part 30, the fifth port 55 communicates with the fourth port 302 of the second heat exchanging part 30, the third port 53 communicates with the third port 301 of the second heat exchanging part 30, and the fourth port 54 communicates with the first port 303 of the second heat exchanging part 30. The interface fitting 423 is provided with a seventh interface 57 and an eighth interface 58, the seventh interface 57 corresponds to and communicates with the through hole 4217 of the connecting block, and the eighth interface 58 corresponds to and communicates with the through hole 4218 of the connecting block.
The schematic illustration in fig. 21 is provided for the purpose of illustrating the flow pattern of the refrigerant during use, and some components are fixedly installed during actual use. In a specific vehicle thermal management system, the vehicle thermal management system includes a coolant system and a battery thermal management system, referring to fig. 21 and other views, the battery thermal management system includes a first interface 101 and a second interface 102 of a heat exchange assembly, and a runner portion of the first heat exchange portion, which is communicated with the first interface and the second interface, heat of a battery can be transferred to coolant, and the coolant flows through the runner portion of the first heat exchange portion through the first interface 51 or the second interface 52, and is subjected to heat exchange with a coolant in another runner of the first heat exchange portion, and the coolant returns to cool the battery after being cooled. The third port 53, the fourth port 54, the fifth port 55, the sixth port 56, the seventh port 57, and the eighth port 58 are respectively used for communicating with a refrigerant system, and if a refrigerant cooled by a condenser enters the heat exchange assembly through the third port 53, or enters the heat exchange assembly through the third port 53 via a refrigerant in a liquid reservoir, such that a high-temperature and high-pressure refrigerant is connected to the third channel 301 of the second heat exchanging part 30, and after the second heat exchanging part 30 exchanges heat with a refrigerant in another channel, the refrigerant enters the fourth channel 302, and the refrigerant reaching the fourth channel 302 is divided into two parts: a part of the flow channel formed by the space where the groove 4212 is located and formed by matching with the second heat exchange part through a connecting piece flows out through a fifth interface 55 and a seventh interface 57, for example, the flow channel is led to the front evaporator through the fifth interface 55, is led to the rear evaporator through the seventh interface 57, or is led to the rear evaporator through the fifth interface 55 and is led to the front evaporator through the seventh interface 57, and a throttling element can be arranged in front of the front evaporator or the rear evaporator; the other part of the refrigerant enters the throttling element 110 through the hole 223 of the bridge communicated with the fourth hole 302 of the second heat exchanging part and the communication port 105 communicated with the throttling element, the throttling element 110 enters the second hole 104 of the first heat exchanging part 10 after being throttled, the refrigerant channel of the first heat exchanging part exchanges heat with the cooling liquid of the cooling liquid channel to reach the first hole 103, and the refrigerant passes through the channel formed by the through hole 222 and matched with the bridge, the first heat exchanging part and the second heat exchanging part to reach the first hole 303 of the second heat exchanging part and flows out through the fourth interface communicated with the first hole 303, for example, returns to the compressor; in addition, the sixth port 56 may be configured to communicate the refrigerant flowing back from the front evaporator or the rear evaporator, the portion of the low-temperature refrigerant flows to the first port 303 through the second port 304 of the second heat exchanging portion, exchanges heat with the high-temperature refrigerant flowing from the third port 301 to the fourth port 302, and flows back to the compressor through the fourth port after merging with the remaining refrigerant in the first port 303. In addition, the eighth port 58 may be configured to communicate the refrigerant flowing back from the rear evaporator or the front evaporator, the low-temperature refrigerant flows to the fourth port through a flow channel formed by the connection piece and the second heat exchanging portion and the combination groove 4211, the flow direction in which the three portions of the refrigerant flow together and flow back to the compressor through the fourth port is merely for illustration, and cannot be used as a limitation, and is not a requirement of sealing, and other components such as other control valves may be added in front of the compressor. The bridge 20 is further provided with a second mounting portion 207 for mounting a sensor element 250, such as a temperature sensing element, so that a sensor head 2501 for sensing temperature passes through the mounting portion and is located in the flow passage where the through hole 222 is located, thereby obtaining the temperature of the refrigerant passing through the first heat exchanging portion or the outlet temperature of the evaporator.
In the scheme, the refrigerant connecting ports are arranged on the connecting piece, so that the connection is more convenient during application, and pipelines are concentrated on the same side.
Fig. 25-28 show a heat exchange assembly, fig. 25 is a schematic perspective view of a fourth embodiment of the heat exchange assembly, fig. 26 is a schematic exploded view of the heat exchange assembly, fig. 27 is a schematic perspective view of a bridge of the heat exchange assembly, and fig. 28 is a schematic front view of the bridge shown in fig. 27 and a schematic sectional view of the bridge in the direction of E-E and the direction of D-D.
The heat exchange assembly comprises a first heat exchange part 10, a throttling element 110, a bridge 20, a second heat exchange part 30 and a connecting piece. Most of the bridge 20 is located between the first heat exchanging part 10 and the second heat exchanging part 30, the connecting member 40 is located at the other side of the second heat exchanging part 30, that is, the bridge 20 and the connecting member 40 are partially located at both sides of the second heat exchanging part, and the first heat exchanging part 10, the bridge 20 and the second heat exchanging part 30 are fixed by welding, or the first heat exchanging part 10, the bridge 20, the second heat exchanging part 30 and the connecting member are fixed by welding. The first heat exchanging part 10 is larger than the second heat exchanging part 30.
The first heat exchanging portion 10 has a heat exchanging core, the first heat exchanging portion 10 has two channels through which fluid flows for heat exchange, the two fluid channels are separated from each other, the first heat exchanging portion 10 includes interlayer channels separated by plate lamination, the first heat exchanging portion 10 can flow at least two fluids, and the two fluids can exchange heat in the first heat exchanging portion, for example, one fluid is a refrigerant, and the other fluid is a cooling liquid, for example, used for cooling heat generating elements such as batteries; in addition, the cooling fluid can be used for three fluids, for example, one fluid is a refrigerant, the other two fluids can be cooling fluids, the two cooling fluids can exchange heat with the refrigerant through control and selection, and then the cooling fluids can be used for cooling components needing cooling after heat exchange and temperature reduction, and the two fluids are taken as an example for description below.
The heat exchange assembly is provided with a first interface 51, a second interface 52, a third interface 53, a fourth interface 54, a fifth interface 55 and a sixth interface 56. The first heat exchanging part is provided with a first interface part 101 and a second interface part 102, the bridge 20 is provided with a third interface part 211, and the connecting piece 40 is provided with a fourth interface 54, a fifth interface 55 and a sixth interface 56. The throttling element 110 is fixedly or captively disposed with the bridge 20. Wherein the first heat exchanging part 10 has 4 channels such as a first channel 103 and a second channel 104 (two other channels are not shown). The first heat exchanging part 10 comprises a first interface part 101 and a second interface part 102, the first interface part 101 is provided with a first interface 51 for communicating with the cooling liquid, the second interface part 102 is provided with a first interface 52 for communicating with the cooling liquid, the first interface 51 is communicated with the second interface 52 through a flow channel of the heat exchanging core, and the first interface part 101 and the second interface part 102 can be part of a side plate of the first heat exchanging part or can be separately processed and fixed with the side plate and/or the heat exchanging core of the first heat exchanging part through welding.
The bridge 20 has a first fitting portion 200 and a second fitting portion 200 ', and correspondingly, the first heat exchanging portion 10 has a fitting portion 100, the fitting portion 100 is correspondingly fitted with the first fitting portion 200 of the bridge, and the second heat exchanging portion 30 has a fitting portion 300, the fitting portion 300 is correspondingly fitted with the second fitting portion 200' of the bridge; the fitting portion 100 of the first heat exchanging portion 10, the fitting portion 300 of the second heat exchanging portion 30 and the two fitting portions of the bridge each include a planar portion, the opening of the hole or the groove or the conduction portion for communication of the bridge on the side of the first fitting portion 200 is located inside the first fitting portion, and the periphery of each opening for communication is surrounded by the first fitting portion, and the first heat exchanging portion has a corresponding communicated opening at a position corresponding to each opening for communication of the bridge, and each communicated opening of the first heat exchanging portion is located inside the fitting portion thereof and each opening for communication is surrounded by the fitting portion; in this way, after the fitting portion 100 of the first heat exchanging portion 10 and the first fitting portion 200 of the bridge are welded and sealed, the communication port of the bridge can be communicated with the communication port corresponding to the first heat exchanging portion, or each communication port includes a portion of the fitting portion around, and both form a substantially closed structure at the fitting portion disposed opposite to each other. The first heat exchanging portion 10 has a mouth of the first porthole 103 and a mouth of the second porthole 104 on the opposite side to the bridge 20, the bridge 20 has a corresponding hole 2084 and a hole 2091 on the opposite side to the first heat exchanging portion 10, the mouth of the hole 2084 corresponds to the mouth of the first porthole 103 of the first heat exchanging portion in position, and the mouth of the hole 2091 corresponds to the mouth of the second porthole 104 of the first heat exchanging portion in position. In addition, the bridge 20 further has a groove 2080 on the opposite side to the first heat exchanging part 10, one side of the groove 2080 communicates with the hole 2081, and an inclined hole 2082 is further provided on the other side of the groove, and the other end of the inclined hole 2082 communicates with the hole of the mounting part 209, so that the hole of the mounting part 209 communicates with the hole 2081 through the inclined hole 2082 and the groove 2080.
The fitting portion 300 of the second heat exchanging portion 30 corresponds in position to the second fitting portion 200' of the bridge, and after the two are welded and sealed, the mouth portion for communication of the bridge at the side communicates with the mouth portion for communication of the second heat exchanging portion, respectively, and specifically, the second heat exchanging portion 30 has three portholes at the side opposite to the bridge 20: the bridge 20 has a mouth portion of the baffle hole 202, a mouth portion of the hole 2081 and a mouth portion of the hole 2084 at a second fitting portion, which is an opposite side of the second heat exchanging portion 30, the third orifice 301, the fourth orifice 302 and the first orifice 303, the mouth portion of the second heat exchanging portion 301 corresponds to the mouth portion of the baffle hole 202, the mouth portion of the fourth orifice 302 corresponds to the mouth portion of the hole 2081, and the mouth portion of the first orifice 303 corresponds to the mouth portion of the hole 2084.
The bridge 20 includes a third interface portion 211, a second mounting portion 207 and a mounting portion 209, the third interface portion 211 has a third interface 53, the third interface portion 211 includes a structure protruding outward, and the third interface portion 211 may be a structure integrated with the main body of the bridge or a structure separately processed and fixed to the main body of the bridge by welding. The second mounting portion 207 is adapted to matingly receive the sensing element and the mounting portion 209 is adapted to matingly receive the throttling element. The hole of the second mounting portion 207 is communicated with the hole 2084, and the sensing head 2501 for sensing temperature of the temperature sensing element passes through the second mounting portion 207 and is located in the flow passage where the hole 2084 is located, so that the temperature of the refrigerant passing through the first heat exchanging portion or the outlet temperature of the evaporator can be obtained. The mounting direction of the throttling element may be other directions, such as extending the mounting portion from the side of the bridge to the inside of the bridge, with the axis of the throttling element being substantially parallel to the length of the bridge.
In addition, the bridge 20 is provided with three through holes 2032 to reduce the weight of the bridge and to allow the area of the plane portion to be welded in cooperation to be reduced to improve the welding quality. The bridge 20 is also provided with fixing holes 221 for fixing.
The connection piece includes a first connection portion 431 and a second connection portion 432, the first connection portion 431 includes the fourth port 4, the second connection portion 432 has the fifth port 55 and the sixth port 56, and the first connection portion 431 has a space correspondingly matched with the first port 303 of the second heat exchange portion 30 to realize a flow path from the first port 303 to the fourth port, and specifically, may be fixed at a corresponding position around the first port 303 as shown in the drawing, or may be fixed at a corresponding position around the first port 303 as shown in a joint manner. The fifth interface 55 of the connecting second portion 432 corresponds to and is matched with the fourth port 302 of the second heat exchanging portion 30, and the sixth interface 56 of the connecting second portion 432 corresponds to and is matched with the second port 304 of the second heat exchanging portion 30. The connecting member may further include a fixing member 450 for fixing or limiting, the first connecting portion 431 and the second connecting portion 432 may have fixing holes, and the fixing member 450 may be fixed or limited to the fixing holes 409.
The heat exchange assembly enables the heat management system to be convenient to install and connect, connected pipelines are reduced, and the size of the system is reduced. The heat exchange assembly is used for an example of a vehicle thermal management system, it should be noted that in actual use, the components are fixed, and for clarity of illustration, the flow mode of the refrigerant is shown in the exploded view, which is for clarity of illustration only. In a specific vehicle thermal management system, the vehicle thermal management system includes a coolant system and a battery thermal management system, referring to fig. 26 and other views, the battery thermal management system includes a first interface 101 and a second interface 102 of a heat exchange assembly, and a runner portion of the first heat exchange portion, which is communicated with the first interface and the second interface, heat of the battery can be transferred to coolant, and the coolant flows through the runner portion of the first heat exchange portion through the first interface 51 or the second interface 52, and is subjected to heat exchange with a coolant in another runner of the first heat exchange portion, and the coolant returns to cool the battery after being cooled. The third port 53, the fourth port 54, the fifth port 55, and the sixth port 56 are respectively used for communicating with a refrigerant system, for example, the refrigerant cooled by the condenser enters the heat exchange assembly through the third port 53, or the refrigerant passing through the liquid reservoir enters the heat exchange assembly through the third port 53, such that the high-temperature and high-pressure refrigerant passes through the flow guide hole 202 to the third hole 301 of the second heat exchanging portion, and after the second heat exchanging portion 30 exchanges heat with the refrigerant of another flow channel, passes through the fourth hole 302, and the refrigerant passing through the fourth hole 302 is divided into two parts: a portion of the flow from the fifth connection 55 via the second connection 432, for example, to a front evaporator or other evaporator via the fifth connection 55, before which a throttle element may also be arranged; the other part of the refrigerant enters the throttling element 110 through the hole 2081 of the bridge, the groove 2080 and the inclined hole 2082, is throttled by the throttling element 110, then passes through the hole 2091 to the second hole passage 104 of the first heat exchanging part 10, exchanges heat with the cooling liquid in the refrigerant flow passage and the cooling liquid flow passage of the first heat exchanging part, reaches the first hole passage 103, passes through the hole 2084 of the bridge and the first hole passage 303 of the second heat exchanging part, and flows out through a fourth interface communicated with the first hole passage 303, such as returning to the compressor; in addition, the sixth port 56 may be configured to communicate the refrigerant flowing back from the front evaporator or another evaporator, the low-temperature refrigerant flows to the first port 303 through the second port 304 of the second heat exchanging portion, and exchanges heat with the high-temperature refrigerant flowing from the third port 301 to the fourth port 302, and the two portions of the refrigerant may flow back to the compressor through the fourth port after converging in the first port 303, so that the low-temperature refrigerant is used to cool the high-temperature refrigerant, the condensing temperature of the refrigerant may be reduced, and the temperature of the refrigerant returning to the compressor may not be high. The flow direction is for illustration only and is not intended to be limiting and not a requirement of a closed system, and other components such as other control valves and the like may be added in front of the compressor.
Fig. 29-32 also show the heat exchange assembly, fig. 29 is a schematic perspective view of a fifth embodiment of the heat exchange assembly, fig. 30 is a schematic exploded view of the heat exchange assembly, fig. 31 is a schematic view of a bridge of the heat exchange assembly, and fig. 32 is a schematic view of another direction of the bridge shown in fig. 31 and a schematic cross-sectional view of the G-G direction and the F-F direction. The heat exchange assembly comprises a first heat exchange part 10, a throttling element 110, a bridge 20, a second heat exchange part 30 and a connecting piece. Most of the bridge 20 is located between the first heat exchanging part 10 and the second heat exchanging part 30, the connection member is located at the other side of the second heat exchanging part 30, that is, the bridge 20 and the connection member are partially located at both sides of the second heat exchanging part, and the first heat exchanging part 10, the bridge 20 and the second heat exchanging part 30 are fixed by welding, or the first heat exchanging part 10, the bridge 20, the second heat exchanging part 30 and the connection member are fixed by welding. The first heat exchanging part 10 is larger than the second heat exchanging part 30.
The first heat exchanging portion 10 has a heat exchanging core, the first heat exchanging portion 10 at least includes two flow channels through which fluid flows for heat exchange, the two flow channels are separated from each other, the first heat exchanging portion 10 includes interlayer flow channels separated by plate lamination, the first heat exchanging portion 10 can flow at least two fluids, the two fluids can exchange heat in the first heat exchanging portion, for example, one fluid is a refrigerant, and the other fluid can be a cooling liquid, for example, used for cooling a heating element such as a battery or cooling a compartment; in addition, the cooling fluid can be used for three fluids, for example, one fluid is a refrigerant, the other two fluids can be cooling fluids, the two cooling fluids can exchange heat with the refrigerant through control and selection, and then the cooling fluids can be used for cooling components needing cooling after heat exchange and temperature reduction, and the two fluids are taken as an example for description below.
The heat exchange assembly is provided with a first interface 51, a second interface 52, a third interface 53, a fourth interface 54, a fifth interface 55 and a sixth interface 56. The first heat exchanging part is provided with a first interface part 101 and a second interface part 102, the bridge 20 is provided with a third interface part 211, and the connecting piece is provided with a fourth interface 54, a fifth interface 55 and a sixth interface 56. The throttling element 110 is fixedly or captively disposed with the bridge 20. Wherein the first heat exchanging part 10 has 4 ports such as a first port 103 and a second port 104 (two ports communicating with the cooling liquid are not shown). The first heat exchanging part 10 includes a first interface part 101 and a second interface part 102, the first interface part 101 has a first interface 51 for communicating with the coolant, the second interface part 102 has a first interface 52 for communicating with the coolant, the first interface 51 communicates with the second interface 52 through a flow channel of the heat exchanging core, the first interface part 101 and the second interface part 102 may be part of a side plate of the first heat exchanging part, or may be separately processed and fixed with the side plate and/or the heat exchanging core of the first heat exchanging part by welding, and the first interface part and the second interface part may also be fixed with the first heat exchanging part by means of pipe fittings.
The bridge 20 has a first fitting portion 200 and a second fitting portion 200 ', and correspondingly, the first heat exchanging portion 10 has a fitting portion 100, the fitting portion 100 is correspondingly fitted with the first fitting portion 200 of the bridge, and the second heat exchanging portion 30 has a fitting portion 300, the fitting portion 300 is correspondingly fitted with the second fitting portion 200' of the bridge; the fitting portion 100 of the first heat exchanging portion 10, the fitting portion 300 of the second heat exchanging portion 30 and the two fitting portions of the bridge each include a planar portion, the opening of the hole or the groove or the conduction portion for communication of the bridge on the side of the first fitting portion 200 is located inside the first fitting portion, and the periphery of each opening for communication is surrounded by the first fitting portion, and the first heat exchanging portion has a corresponding communicated opening at a position corresponding to each opening for communication of the bridge, and each communicated opening of the first heat exchanging portion is located inside the fitting portion thereof and each opening for communication is surrounded by the fitting portion; in this way, after the fitting portion 100 of the first heat exchanging portion 10 and the first fitting portion 200 of the bridge are welded and sealed, the communication port of the bridge can be communicated with the communication port corresponding to the first heat exchanging portion, or each communication port includes a portion of the fitting portion around, and both form a substantially closed structure at the fitting portion disposed opposite to each other. The first heat exchanging portion 10 has a mouth of the first porthole 103 and a mouth of the second porthole 104 on the opposite side to the bridge 20, the bridge 20 has a corresponding hole 2084 and a hole 2091 on the opposite side to the first heat exchanging portion 10, the mouth of the hole 2084 corresponds to the mouth of the first porthole 103 of the first heat exchanging portion in position, and the mouth of the hole 2091 corresponds to the mouth of the second porthole 104 of the first heat exchanging portion in position. The bridge 20 further has a groove 2080 on the opposite side to the first heat exchanging part 10, the groove 2080 communicating with the hole 2081 ', and an inclined hole 2082 on the other side of the groove, the other end of the inclined hole 2082 communicating with the hole of the mounting part 209, so that the hole of the mounting part 209 communicates with the hole 2081' through the inclined hole 2082 and the groove 2080.
The fitting portion 300 of the second heat exchanging portion 30 corresponds in position to the second fitting portion 200' of the bridge, and after the two are welded and sealed, the mouth portion for communication of the bridge on the side communicates with the mouth portion for communication of the second heat exchanging portion, specifically, the second heat exchanging portion 30 has three portholes on the side opposite to the bridge 20: the bridge 20 has a mouth portion of the flow guide hole 202, a mouth portion of the hole 2081 'and a mouth portion of the hole 2084 on the side opposite to the second heat exchanging portion 30, the mouth portion of the third hole passage 301 of the second heat exchanging portion corresponds to the position of the mouth portion of the flow guide hole 202, the mouth portion of the fourth hole passage 302 corresponds to the position of the mouth portion of the hole 2081', and the mouth portion of the first hole passage 303 corresponds to the position of the mouth portion of the hole 2084.
The bridge 20 includes a third interface portion 211, a second mounting portion 207 and a mounting portion 209, the third interface portion 211 has a third interface 53, the third interface portion 211 includes a structure protruding outward, and the third interface portion 211 may be a structure integrated with the main body of the bridge or a structure separately processed and fixed to the main body of the bridge by welding. The second mounting portion 207 is adapted to matingly receive the sensing element 250 and the mounting portion 209 is adapted to matingly receive the throttling element 110. The hole of the second mounting portion 207 is communicated with the hole 2084, a sensing element such as a temperature sensing element, and a sensing head 2501 for sensing temperature passes through the second mounting portion 207 and is located in the flow passage where the hole 2084 is located, so that the temperature of the refrigerant passing through the first heat exchanging portion or the outlet temperature of the evaporator can be obtained.
In addition, the bridge 20 is provided with four through holes 2032 to reduce the weight of the bridge and to allow the area of the plane portion to be welded in cooperation to be reduced to improve the welding quality. The bridge 20 is also provided with fixing holes 221 for fixing.
The connecting piece includes a first connecting portion 441 and a second connecting portion 442, the first connecting portion 441 includes a fourth port 54, the second connecting portion 442 includes a fifth port 55 and a sixth port 56, and the first connecting portion 441 has a space correspondingly matched with the first port 303 of the second heat exchanging portion 30 to realize a flow path from the first port 303 to the fourth port, and may also be fixed at a corresponding position around the first port 303 in a joint manner. The fifth port 55 of the second connecting portion 442 corresponds to and is matched with the fourth port 302 of the second heat exchanging portion 30, and the sixth port 56 of the second connecting portion 442 corresponds to and is matched with the second port 304 of the second heat exchanging portion 30. The connecting member may further include a fixing member 450 for fixing or limiting, the first connecting portion 441 and the second connecting portion 442 may have a fixing hole 409, and the fixing member 450 may be fixed or limited to the fixing hole 409.
The heat exchange assembly enables the heat management system to be convenient to install and connect, connected pipelines are reduced, and the size of the system is reduced. The heat exchange assembly is used for an example of a vehicle thermal management system, it should be noted that in actual use, the components are fixed, and for clarity of illustration, the flow mode of the refrigerant is shown in the exploded view, which is for clarity of illustration only. In a specific vehicle thermal management system, the vehicle thermal management system includes a coolant system and a battery thermal management system, referring to fig. 30 and other views, the battery thermal management system includes a first interface 101 and a second interface 102 of a heat exchange assembly, and a runner portion of the first heat exchange portion, which is communicated with the first interface and the second interface, heat of a battery can be transferred to coolant, and the coolant flows through the runner portion of the first heat exchange portion through the first interface 51 or the second interface 52, and is subjected to heat exchange with a coolant in another runner of the first heat exchange portion, and the coolant returns to cool the battery after being cooled. The third port 53, the fourth port 54, the fifth port 55, and the sixth port 56 are used for communicating the refrigerant system, for example, the refrigerant cooled by the condenser enters the heat exchange assembly through the third port 53 via a bridge, or the refrigerant passing through the liquid reservoir enters the heat exchange assembly through the third port 53, such that the high-temperature and high-pressure refrigerant passes through the flow guide hole 202 to the third hole 301 of the second heat exchanging portion, and after the second heat exchanging portion 30 exchanges heat with the refrigerant of another flow passage, passes through the fourth hole 302, and the refrigerant passing through the fourth hole 302 is divided into two parts: a portion of the flow from the fifth connection 55 via the second connection 432, for example, to a front evaporator or other evaporator via the fifth connection 55, before which a throttle element may also be arranged; the other part of the refrigerant enters the throttling element 110 through the hole 2081' of the bridge, the groove 2080 and the inclined hole 2082, is throttled by the throttling element 110, then passes through the hole 2091 to the second hole passage 104 of the first heat exchanging part 10, exchanges heat with the cooling liquid in the cooling liquid flow passage of the first heat exchanging part, reaches the first hole passage 103, passes through the hole 2084 of the bridge and the first hole passage 303 of the second heat exchanging part, and flows out through a fourth interface communicated with the first hole passage 303, such as returning to the compressor; in addition, the sixth port 56 may be configured to communicate the refrigerant flowing back from the front evaporator or another evaporator, the low-temperature refrigerant flows to the first port 303 through the second port 304 of the second heat exchanging portion, and exchanges heat with the high-temperature refrigerant flowing from the third port 301 to the fourth port 302, and the two portions of the refrigerant may flow back to the compressor through the fourth port after converging in the first port 303, so that the low-temperature refrigerant is used to cool the high-temperature refrigerant, the condensing temperature of the refrigerant may be reduced, and the temperature of the refrigerant returning to the compressor may not be high. The flow direction is for illustration only and is not intended to be limiting and not a requirement of a closed system, and other components such as other control valves and the like may be added in front of the compressor.
Fig. 33-37 also show the heat exchange assembly, fig. 33 is a schematic perspective view of a sixth embodiment of the heat exchange assembly, fig. 34 is a schematic exploded view of the heat exchange assembly, fig. 35 is a schematic perspective view of two directions of a bridge of the heat exchange assembly, fig. 36 is a schematic front and rear view of the bridge shown in fig. 35, and fig. 37 is a schematic perspective view of two directions of a connecting piece of the heat exchange assembly shown in fig. 33. The heat exchange assembly includes a first heat exchange portion 10, a throttling element 110, a bridge 20, a second heat exchange portion 30, and a connecting member 45. Most of the bridge 20 is located between the first heat exchanging part 10 and the second heat exchanging part 30, the connecting member 45 is located at the other side of the second heat exchanging part 30, that is, the bridge 20 and the connecting member 45 are partially located at both sides of the second heat exchanging part, and the first heat exchanging part 10, the bridge 20 and the second heat exchanging part 30 are fixed by welding, or the first heat exchanging part 10, the bridge 20, the second heat exchanging part 30 and the connecting member are fixed by welding.
The first heat exchanging portion 10 has a heat exchanging core, the first heat exchanging portion 10 has two channels through which fluid flows for heat exchange, the two fluid channels are separated from each other, the first heat exchanging portion 10 includes interlayer channels separated by plate lamination, the first heat exchanging portion 10 can flow at least two fluids, and the two fluids can exchange heat in the first heat exchanging portion, for example, one fluid is a refrigerant, and the other fluid is a cooling liquid, for example, used for cooling heat generating elements such as batteries; in addition, the cooling fluid can also be used for three fluids, for example, one fluid is a refrigerant, the other two fluids can be cooling fluids, the two cooling fluids can exchange heat with the refrigerant through control and selection, and then the cooling fluids can be used for cooling components needing cooling after heat exchange and temperature reduction, and the two fluids are specifically taken as an example for explanation.
The heat exchange assembly is provided with a first interface 51, a second interface 52, a third interface 53, a fourth interface 54, a fifth interface 55 and a sixth interface 56. The first heat exchanging part is provided with a first interface part 101 and a second interface part 102, the bridge 20 is provided with a third interface part 211, and the connecting piece 45 is provided with a fourth interface 54, a fifth interface 55 and a sixth interface 56. The throttling element 110 is fixedly or limitedly arranged with the first heat exchanging portion 10, wherein the first heat exchanging portion 10 has 4 pore passages such as a first pore passage 103 and a second pore passage 104 (not all shown in the figures), the first heat exchanging portion is further provided with a pipe having a communication port 105 at the second pore passage 104, the second pore passage 104 is not communicated at the side close to the bridge, and the communication port 105 is communicated with the inlet of the throttling element 110. The first interface part 101 of the first heat exchanging part 10 is provided with a first interface 51 for communicating with the coolant, the second interface part 102 is provided with a first interface 52 for communicating with the coolant, the first interface 51 is communicated with the second interface 52 through a flow channel of the heat exchanging core, and the first interface part 101 and the second interface part 102 can be part of a side plate of the first heat exchanging part or can be separately processed and fixed with the side plate and/or the heat exchanging core of the first heat exchanging part by welding.
The bridge 20 has a first fitting portion 200 and a second fitting portion 200 ', and correspondingly, the first heat exchanging portion 10 has a fitting portion 100, the fitting portion 100 is correspondingly fitted with the first fitting portion 200 of the bridge, and the second heat exchanging portion 30 has a fitting portion 300, the fitting portion 300 is correspondingly fitted with the second fitting portion 200' of the bridge; the fitting portion 100 of the first heat exchanging portion 10, the fitting portion 300 of the second heat exchanging portion 30 and the two fitting portions of the bridge each include a planar portion, the opening of the hole or the groove or the conduction portion for communication provided on the side of the first fitting portion 200 of the bridge is located inside the first fitting portion, and the periphery of each opening for communication is surrounded by the first fitting portion, and the first heat exchanging portion has a corresponding communicated opening at a position corresponding to each opening for communication of the bridge, and each communicated opening of the first heat exchanging portion is located inside the fitting portion thereof and each opening for communication is surrounded by the fitting portion; in this way, after the mating portion 100 of the first heat exchanging portion 10 and the first mating portion 200 of the bridge are welded and sealed, the communication port of the bridge can be communicated with the communication port corresponding to the first heat exchanging portion, or the periphery of each communication port includes a part of the mating portion, and the two mating portions arranged opposite to each other form a substantially closed structure; the fitting portion 300 of the second heat exchanging portion 30 corresponds in position to the second fitting portion 200' of the bridge, and after the both are welded and sealed, the mouths for communication of the bridge on the side are each in communication with the mouth for communication of the second heat exchanging portion, specifically, the second heat exchanging portion 30 has three portholes at the side opposite to the bridge 20: the bridge 20 has a mouth portion of the guide groove 264, a mouth portion of the hole 262, and a mouth portion of the hole 266 at a second fitting portion, which is an opposite side of the second heat exchanging portion 30, the bridge 20, the mouth portion of the guide groove 264, the mouth portion of the hole 262, and the mouth portion of the hole 266, the hole 266 is equal to or larger than the through diameter of the hole 262, the mouth portion of the third hole 301 of the second heat exchanging portion corresponds to a partial position of the mouth portion of the guide groove 264, the mouth portion of the fourth hole 302 corresponds to a position of the mouth portion of the hole 262, and the mouth portion of the first hole 303 corresponds to a position of the mouth portion of the hole 266. The guiding groove 264 includes a first portion 2641, a second portion 2642 and a transition portion 2640, the first portion 2641 is relatively close to the third interface portion, and the second portion 2642 is relatively far from the third interface portion; the transition portion 2640 is located between the first portion 2641 and the second portion 2642. The first portion 2641 has a depth greater than a depth of the second portion 2642, the first portion 2641 has a depth proximate to the third interface portion that is greater than or equal to one half of the thickness of the bridge or approximately one half of the thickness of the bridge, e.g., a depth greater than or equal to one third of the thickness of the bridge less than two thirds of the thickness of the bridge, and the first portion 2641 communicates with the third interface. On the opposite side of the bridge from the first heat exchanging part, the first heat exchanging part 10 has the mouth of the first porthole 103 and the communication port 105 communicating with the throttling element on the opposite side of the bridge 20, the bridge 20 has the corresponding third groove 263 and fourth groove 265 on the opposite side of the first heat exchanging part 10, the third groove 263 communicates with the smaller hole 262, the fourth groove 265 communicates with the larger hole 266, the mouth of the fourth groove 265 has a portion corresponding to the position of the mouth of the first porthole 103 of the first heat exchanging part, and the mouth of the third groove 263 communicates with the communication port 105 communicating with the throttling element. The projection of one of the diversion trench 264 and the third interface 53 to the front is at least partially located in the third trench 263, the projection of the diversion trench 264 to the front is at least partially located in the fourth trench 265, and the diversion trench 264 and the fourth trench 265 are at least partially opposite and are not directly connected. The first, second, third, fourth, etc. reference numerals are used herein for the purpose of distinguishing between the descriptions and are not intended to clarify the number of slots or holes.
The bridge 20 includes a third interface portion 211, the third interface portion 211 has a third interface 53, the third interface portion 211 includes an outwardly protruding structure, and the third interface portion 211 may be a structure integrated with the main body of the bridge or a structure separately processed and fixed to the main body of the bridge by welding. The bridge 20 is further provided with two through holes 2032. The first portion 2641 of the guiding groove 264 is close to the third connecting portion, the second portion 2642 of the guiding groove 264 is relatively far away from the third connecting portion, and the guiding groove 264 extends along the length direction; the third port 53 communicates with the first portion 2641 of the guide groove 264, and the depth of the second portion 2642 of the guide groove 264 is less than half of the thickness of the bridge, even not more than 0.4 times the thickness of the bridge; the depth of the fourth groove 265 is less than half the thickness of the bridge, the depth of the third groove 263 is less than half the thickness of the bridge, even the depth of the fourth groove 265 is not more than 0.4 times the thickness of the bridge, the depth of the third groove 263 is not more than 0.4 times the thickness of the bridge; thus, grooves can be respectively arranged at two side parts of the bridge so as to form relatively independent flow channels with the two heat exchange parts, and the whole assembly can be reduced. The thickness of the bridge refers herein to the thickness of the two mating portions of the bridge. The bridge 20 is further provided with two shoulders 212, 213, at least a part of the shoulders 212, 213 protrudes from the body portion, the bridge 20 is provided with a fixing hole 221, and at least one shoulder or a part close to the shoulder is provided with a fixing hole.
The through hole 2032 is provided for reducing weight and making the bridge suitable for welding with the first heat exchanging part and the second heat exchanging part, the through hole 2032 is communicated from the side of the bridge close to the first heat exchanging part to the side close to the second heat exchanging part, the through hole 2032 is not communicated with the hole passage of the first heat exchanging part, the through hole 2032 is not communicated with the hole passage of the second heat exchanging part, and the through hole 2032 is not communicated with the hole or groove for communication with the bridge; the distance between the through hole 2032 and the bridge facing or close to the first heat exchanging part for communication is greater than or equal to 1.5mm, and the distance between the through hole 2032 and the bridge facing or close to the first heat exchanging part for communication is greater than or equal to 1.5 mm; the distance between the through hole 2032 and the second heat exchanging portion is 1.5mm or more, and the distance between the through hole 2032 and the second heat exchanging portion is 1.5mm or more. The connecting member 45 includes a main body 4510 and an extension 4511, the connecting member 40 is provided with a fourth interface 54, a fifth interface 55, a sixth interface 56, and a fixing hole 459 for fitting fixation or position limitation, the connecting member 45 is provided with a groove 455 on a side facing the second heat exchanging portion 30, the groove 455 is a structure similar to a blind hole, the groove 455 extends from the extension to the position of the sixth interface 56, and the groove 455 is communicated with the sixth interface 56. The connector may further include a fixing member 450 for fixing or limiting, and the fixing member 450 can be fixed or limited in the fixing hole 409. The second heat exchanging portion has a fourth port 302, a first port 303, and a second port 304 facing the connector 40, the fourth port 54 of the connector 40 corresponds to the first port 303, the fifth port 55 corresponds to the fourth port 302, and the sixth port 56 corresponds to the second port 304 through the groove 455.
The heat exchange assembly enables the heat management system to be convenient to install and connect, connected pipelines are reduced, and the size of the system is reduced. The heat exchange assembly is used for an example of a vehicle thermal management system, it should be noted that in actual use, the components are relatively fixed, and for clarity of illustration, the flow pattern of the refrigerant is shown in the exploded view, which is for clarity of illustration only. In a specific vehicle thermal management system, the vehicle thermal management system includes a coolant system and a battery thermal management system, referring to fig. 34 and other views, the battery thermal management system includes a first interface 101 and a second interface 102 of a heat exchange assembly, and a runner portion of the first heat exchange portion, which is communicated with the first interface and the second interface, heat of a battery can be transferred to coolant, and the coolant flows through the runner portion of the first heat exchange portion through the first interface 51 or the second interface 52, and is subjected to heat exchange with a coolant in another runner of the first heat exchange portion, and the coolant returns to cool the battery after being cooled. The third port 53, the fourth port 54, the fifth port 55, and the sixth port 56 are respectively used for communicating with a refrigerant system, for example, the refrigerant cooled by the condenser enters the heat exchange assembly through the third port 53, or the refrigerant passing through the liquid reservoir enters the heat exchange assembly through the third port 53, so that the high-temperature and high-pressure refrigerant passes through a flow channel formed by the bridge matching with the second heat exchange portion and the space where the diversion groove 264 is located to the third hole 301 of the second heat exchange portion, and after the second heat exchange portion 30 exchanges heat with the refrigerant of another flow channel, the refrigerant reaches the fourth hole 302, and the refrigerant reaching the fourth hole 302 is divided into two parts: one part flows out through the connecting piece 45 and the fifth interface 55, for example, the part flows to a front evaporator or other evaporators through the fifth interface 55, the front of the evaporators can be provided with a throttling element, or the part flows to two evaporators after throttling or flows into the evaporators after throttling, and the like; the other part of the refrigerant enters the throttling element 110 through the hole 262 of the bridge and the matching part of the bridge and the first heat exchanging part and is matched with the flow channel formed by the space where the third groove 263 is located, and the communication port 105 communicated with the throttling element, enters the second pore channel 104 of the first heat exchanging part 10 after being throttled by the throttling element 110, exchanges heat with the cooling liquid in the cooling liquid flow channel of the first heat exchanging part to reach the first pore channel 103, and is matched with the flow channel formed by the space where the fourth groove 265 is located through the matching part of the bridge and the first heat exchanging part, passes through the hole 266, reaches the first pore channel 303 of the second heat exchanging part, and flows out through the fourth port 303 corresponding to the first pore channel 303, for example, returns to the compressor; in addition, the sixth port 56 may be configured to communicate the refrigerant flowing back from the front evaporator and/or other evaporators, the low-temperature refrigerant flows through the second heat exchanging portion via the connecting member 45 and the flow channel formed by the space where the groove 455 is located, flows to the second duct 304 of the second heat exchanging portion, flows to the first duct 303, exchanges heat with the high-temperature refrigerant flowing from the third duct 301 to the fourth duct 302, and the two portions of the refrigerant flow together in the first duct 303 and then flows back to the compressor via the fourth port 54. The bridge 20 is further provided with a second mounting portion 207 for mounting a sensor element 250, such as a temperature sensing element, so that a sensor head 2501 for sensing temperature passes through the mounting portion and is located in the flow passage where the hole 266 and/or the fourth groove 265 are located, and thus the temperature of the refrigerant passing through the first heat exchanging portion or the outlet temperature of the evaporator can be obtained. The second heat exchange part can realize the heat exchange between the high-temperature refrigerant and part of the low-temperature refrigerant, reduce the temperature of the high-temperature refrigerant and prevent the refrigerant from returning to the compressor to be overhigh, thereby improving the efficiency,
this heat exchange assemblies includes first heat transfer portion, bridge, second heat transfer portion, and the bridge is at least partly located between first heat transfer portion and the second heat transfer portion, can realize fluidic connected mode between two heat transfer portions through the bridge conveniently relatively, and the accessible changes the structure realization of bridge during the system demand of difference, makes the system pipeline simple, can reduce the setting of pipeline between the interface, and the headtotail is simple and convenient. The refrigerant flow passage of the first heat exchanging portion of the above-mentioned assembly may be a single flow, that is, the refrigerant flow passage flows from the second port passage 104 to the first port passage 103, or may be a three-flow passage, that is, the first heat exchanging portion is transversely divided into three parts, the first flow passage flows from the lowest part of the second port passage 104 to the lowest part of the first port passage 103, then flows from the middle part of the first port passage 103 to the middle part of the second port passage 104, and then flows from the upper part of the second port passage 104 to the upper part of the first port passage 103, so in the embodiment, only the refrigerant flow passage flows out of the first port passage 103. The thickness of the bridge means the thickness between the planar portions of the two mating portions of the bridge, unless otherwise specified. The flow direction is only used for illustration, and is not used as a limitation, and is not a requirement of closing, and other components such as other control valve parts and the like can be added in the evaporator, such as a throttling element is arranged in front of the evaporator and even a control valve and the like are added in the evaporator; the second port 104 of the first heat exchanging part is herein in communication with the outlet of the throttling element 110, but may generally be free of a mouth towards the bridge, only for illustrating the position of this port. The technical solutions can be changed according to the actual system, and the communication condition is subject to the specific technical solution, for example, the first interface is communicated with the second interface, which does not exclude the communication condition with other interfaces.
It should be noted that: although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that various modifications, combinations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the claims.

Claims (10)

1. A heat exchange assembly comprises a first heat exchange part (10), a bridge (20) and a second heat exchange part (30), wherein the bridge (20) is at least partially positioned between the first heat exchange part (10) and the second heat exchange part (30), and the first heat exchange part, the bridge and the second heat exchange part are fixed through welding; the first heat exchange part is provided with a heat exchange core body and comprises at least two fluid flow channels which are not communicated with each other;
the heat exchange assembly comprises a first interface (51), a second interface (52) and a third interface (53); the first heat exchange part comprises a first interface part (101) and a second interface part (102); the first interface part (101) has the first interface (51), and the second interface part (102) has the second interface (52); the bridge comprises a third interface portion (211), the third interface portion (211) being provided with the third interface (53); the bridge comprises holes and or grooves communicated with the third interface (53), and the holes and or grooves communicated with the third interface (53) are communicated with at least one hole channel used for communication of the first heat exchange part and the second heat exchange part; the bridge comprises two holes or grooves which face the first heat exchange part and are used for communication; the bridge comprises at least two holes or grooves which can be communicated with the second heat exchange part, and the mouth parts of the holes or grooves which can be communicated with the second heat exchange part of the bridge face the second heat exchange part.
2. The heat exchange assembly according to claim 1, further comprising a throttling element and a connecting member, wherein the throttling element is fixedly arranged or limited with the first heat exchange part, the connecting member is fixedly arranged with the second heat exchange part, the heat exchange assembly further comprises a fourth interface (54), a fifth interface (55) and a sixth interface (56), and the connecting member comprises the fourth interface (54), the fifth interface (55) and the sixth interface (56); one of the hole or groove of the bridge facing the first heat exchanging portion for communication communicates with the throttling element, and the other communicates with a first orifice (103) of the first heat exchanging portion.
3. A heat exchange assembly according to claim 1, characterised in that the heat exchange assembly comprises a throttling element, the throttling element (110) being fixedly or captively arranged with the bridge, the bridge comprising a mounting portion (209), the mounting portion (209) being for fixing or captively holding the throttling element; the two holes and/or grooves for communication of the bridge facing or close to the first heat exchanging part comprise holes (2091), the holes (2091) are positioned at the mounting part (209) or belong to a part of the mounting part (209), the outlet of the throttling element is communicated with a second duct (104) of the first heat exchanging part through the holes (2091) positioned at the mounting part, and the other one of the two holes and/or grooves for communication of the bridge facing the first heat exchanging part is communicated with a first duct (103) of the first heat exchanging part; one of the two holes or grooves of the bridge which can be communicated with the second heat exchange part is communicated with a first hole channel (303) of the second heat exchange part; the bridge is provided with a hole and/or a groove which are communicated with the inlet of the throttling element, and the inlet of the throttling element is communicated with a fourth hole passage (302) of the second heat exchanging part through the hole and/or the groove.
4. A heat exchange assembly according to claim 3, wherein the bridge comprises three holes or slots communicable with the second heat exchange portion: the first hole channel (103) of the first heat exchanging part is communicated with the first hole channel (303) of the second heat exchanging part through the hole and/or the groove of the bridge, and the third interface (53) of the heat exchanging component is communicated with the third hole channel (301) of the second heat exchanging part through the other hole and/or the groove of the bridge; the heat exchange assembly further comprises a connecting piece, and the connecting piece is positioned on one side, away from the bridge, of the second heat exchange part; the connecting piece is provided with a fourth interface (54), a fifth interface (55) and a sixth interface (56); the fourth port (54) is communicated with a first duct (303) of the second heat exchanging portion, the fifth port (55) is communicated with a fourth duct (302) of the second heat exchanging portion, and the sixth port (56) is communicated with a second duct (304) of the second heat exchanging portion.
5. The heat exchange assembly as claimed in claim 4, wherein the second heat exchange portion is not larger than the first heat exchange portion, and the mounting portion (209) at least partially protrudes from the second heat exchange portion; at least part of the third interface part (211) protrudes out of the second heat exchanging part; the bridge (20) is provided with a corresponding hole (2084) for circulation at the side opposite to the first heat exchanging part, the hole (2084) is close to the first hole passage (103) of the first heat exchanging part, and the hole (2084) corresponds to or is communicated with the position of the first hole passage (103) of the first heat exchanging part; the hole (2091) of the bridge (20) positioned at the mounting part corresponds to or is communicated with the position of the second duct (104) of the first heat exchanging part; the bridge is also provided with a groove (2080) at the side opposite to the first heat exchanging part, the groove (2080) is relatively close to the mounting part, and the bridge comprises through holes (2081 and 2081'); one side of the groove (2080) is provided with the through hole (2081, 2081 '), or one side of the groove is communicated with the through hole (2081, 2081'); and the other side of the groove (2080) is also provided with an inclined hole (2082), the inclined hole (2082) is communicated with the inlet of the throttling element or the space where the inlet of the throttling element is positioned, the inlet of the throttling element is communicated with the groove (2080) through the inclined hole (2082), and the inlet of the throttling element is communicated with the fourth hole channel of the second heat exchanging part through the inclined hole (2082), the groove (2080) and the holes (2081, 2081').
6. A heat exchange assembly according to any of claims 1-5, characterized in that the bridge is provided with holes and or grooves (202, 202 ', 264) in communication with the third port towards the second heat exchange portion side, the holes and or grooves (202, 202' 264) being provided close to the third port portion, the holes and or grooves (202, 202 '264) having at least a part of a depth equal to or greater than one half of the thickness of the bridge, the mouths of the holes and or grooves (202, 202' 264) at least partly corresponding to or communicating with the third portholes (301) of the second heat exchange portion; the holes and or slots (202, 202' 264) are not in communication with other holes and slots of the bridge for communication.
7. A heat exchange assembly according to claim 1 or 2, characterized in that the bridge is provided with flow guiding holes (202, 202 ') towards the second heat exchange portion side, the flow guiding holes (202, 202') communicating with the third interface, the flow guiding holes being provided close to the third interface portion, the depth of the flow guiding holes (202, 202 ') being equal to or greater than one third of the thickness of the bridge and less than two thirds of the thickness of the bridge, the flow guiding holes (202, 202') communicating or corresponding and communicating with third portholes (301) of the second heat exchange portion; the bridge further comprises a through hole (206), a first groove (203), a second groove (205) and a conducting part (204), wherein the conducting part (204) comprises a hole (2041) and a groove (2042), the first groove (203) is arranged on the opposite side of the second heat exchanging part, and the second groove (205) and the groove (2042) of the conducting part are arranged on the opposite side of the first heat exchanging part; the first groove (203) and the second groove (205) are communicated through the through hole (206); the first groove (203) is communicated with a fourth pore canal (302) of the second heat exchanging part; the first duct of the first heat exchanging part is communicated with the first duct (303) of the second heat exchanging part through a conducting part (204) of the bridge; the side, facing the first heat exchange portion, of the bridge is defined to be a front side, the side, facing the second heat exchange portion, of the bridge is defined to be a back side, the projection of the first groove (203) to the front side is at least partially located in the groove (2042) of the conduction portion, and the projection of the flow guide hole to the front side is at least partially located in the second groove.
8. A heat exchange assembly according to claim 1 or 2, characterized in that the bridge is defined as a front face towards the first heat exchange portion side and as a rear face towards the second heat exchange portion side, the bridge being provided with flow channels (264) and two holes at the rear face side: a smaller aperture (262), a larger aperture (266), the larger aperture (266) being greater than or equal to the smaller aperture (262), the channel (264) communicating with the third port, the channel including a first portion (2641) and a second portion (2642), the first portion being relatively proximal to the third port portion and the second portion being relatively distal to the third port portion; the depth of the first part is at least partially greater than that of the second part, the depth of the first part is at least partially greater than or equal to half of the thickness of the bridge at a position close to the third interface part, and the first part is communicated with the third interface;
the second heat exchanging part is provided with openings of three pore canals on the opposite side of the bridge, and the diversion groove (264), the smaller hole (262) and the larger hole (266) of the bridge are respectively communicated with one of the three pore canals of the second heat exchanging part; the bridge has two slots on opposite sides of the first heat exchange portion: a third groove (263), a fourth groove (265), said third groove (263) communicating with said smaller hole (262), said fourth groove (265) communicating with said larger hole (266);
the first port (103) of the first heat exchanging portion communicates with one port of the second heat exchanging portion through the fourth groove (265), the larger hole (266), and/or the first port (103) of the first heat exchanging portion communicates with one port of the second heat exchanging portion through the third groove (263) and the smaller hole (262);
one of the diversion trench (264) and the projection of the third interface to the front face is at least partially located in the third trench (263), and the projection of the diversion trench (264) to the front face is at least partially located in the fourth trench.
9. A heat exchange assembly according to any one of claims 1 to 8, wherein the bridge has a first mating portion (200) and a second mating portion (200'), the first heat exchange portion having a mating portion (100), the mating portion of the first heat exchange portion being correspondingly mated with the first mating portion of the bridge; the second heat exchanging part is provided with a matching part (300), and the matching part of the second heat exchanging part is correspondingly matched with a second matching part (200') of the bridge; the matching part of the first heat exchanging part, the matching part of the second heat exchanging part and the two matching parts of the bridge comprise plane parts; the bridge is positioned inside the first matching part towards or close to the opening of the hole or groove of the first heat exchanging part for communication; the mouth of the hole or groove of the bridge, which can be communicated with the second heat exchanging part, close to the second heat exchanging part is positioned inside the second matching part.
10. The throttling heat exchange assembly of any of the preceding claims, wherein the bridge further comprises at least one weight-reducing aperture (2032); the weight reduction holes (2032) are not communicated with the pore canals of the first heat exchange part, the weight reduction holes (2032) are not communicated with the pore canals of the second heat exchange part, and the weight reduction holes (2032) are not communicated with the holes or grooves of the bridge for communication; the distance between the weight-reducing holes and the holes or the grooves of the bridge facing the first heat exchanging part and used for communication is larger than or equal to 1.5mm, and the distance between the weight-reducing holes and the holes or the grooves of the bridge facing the second heat exchanging part and used for communication is larger than or equal to 1.5 mm. A weight reduction hole (2032).
CN202010726744.7A 2020-07-25 2020-07-25 Heat exchange assembly Pending CN113970264A (en)

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CN202010726744.7A CN113970264A (en) 2020-07-25 2020-07-25 Heat exchange assembly
CN202010851548.2A CN113970267A (en) 2020-07-25 2020-07-25 Heat exchange assembly and vehicle thermal management system

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