WO2022022371A1 - 一种节流换热组件 - Google Patents

一种节流换热组件 Download PDF

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Publication number
WO2022022371A1
WO2022022371A1 PCT/CN2021/107801 CN2021107801W WO2022022371A1 WO 2022022371 A1 WO2022022371 A1 WO 2022022371A1 CN 2021107801 W CN2021107801 W CN 2021107801W WO 2022022371 A1 WO2022022371 A1 WO 2022022371A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
bridge
interface
hole
exchange part
Prior art date
Application number
PCT/CN2021/107801
Other languages
English (en)
French (fr)
Inventor
胡梅宴
宋斌
吴林忠
王云鹏
尹正宜
Original Assignee
浙江三花汽车零部件有限公司
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 浙江三花汽车零部件有限公司 filed Critical 浙江三花汽车零部件有限公司
Priority to EP21848735.3A priority Critical patent/EP4170274A1/en
Priority to US18/005,653 priority patent/US20230272986A1/en
Priority to JP2023502653A priority patent/JP7480415B2/ja
Priority to KR1020237006155A priority patent/KR20230044251A/ko
Publication of WO2022022371A1 publication Critical patent/WO2022022371A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • 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
    • B60H1/00328—Heat exchangers for air-conditioning devices of the liquid-air type
    • 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
    • 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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3227—Cooling devices using compression characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator
    • 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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3229—Cooling devices using compression characterised by constructional features, e.g. housings, mountings, conversion systems
    • 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
    • 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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
    • F28D9/0075—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements the plates having openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • 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
    • 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
    • F28F3/086—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning having one or more openings therein forming tubular heat-exchange passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0251—Massive connectors, e.g. blocks; Plate-like connectors
    • F28F9/0253—Massive connectors, e.g. blocks; Plate-like connectors with multiple channels, e.g. with combined inflow and outflow channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0085—Evaporators
    • 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

Definitions

  • the invention relates to the field of fluid control, in particular to a throttling heat exchange component.
  • Some thermal management systems include no less than two heat exchangers, such as plate evaporators, and throttling elements. These components are connected and fixed with other components of the system through pipelines. Due to the relatively large number of components in the system. The pipeline connection of the system is relatively complicated.
  • the present invention provides the following technical solutions:
  • a throttle heat exchange assembly comprising a first heat exchange part, a bridge, a second heat exchange part and a throttle element, the bridge at least partially located between the first heat exchange part and the Between the second heat exchange parts, the first heat exchange part, the bridge and the second heat exchange part are fixed by welding; the first heat exchange part has a heat exchange core body, and the first heat exchange part includes at least two There are two fluid flow channels, and there is no communication between the two fluid flow channels; the throttling element and the first heat exchange part are fixed or limited, or the throttle element and the bridge are fixed or limited set up;
  • the throttle heat exchange assembly includes a first interface, a second interface and a third interface; the first heat exchange part includes a first interface part and a second interface part; the first interface part has the first interface , the second interface part has the second interface; the bridge includes two holes or grooves for communication facing or close to the first heat exchange part; the bridge includes at least two The holes and/or slots communicated with the second heat exchange part, and the mouths of the holes and/or slots of the bridge that can communicate with the second heat exchange parts face or are close to the second heat exchange part; the bridge is also provided with There is a mounting portion, the throttle heat exchange assembly includes a sensing element, the sensing element is fitted and mounted on the mounting portion, the sensing head of the sensing element passes through the mounting portion, and the sensing head A hole and/or slot located in the bridge, the hole and/or slot where the sensing head is located is a flow channel or flow from a channel of the first heat exchange part to a channel of the second heat exchange part part of the road.
  • the communication through the flow channel herein includes the communication through the flow channel possessed by a single component, and also includes the communication through the flow channel formed by the combination of two or more components.
  • Holes and or slots for communication include various situations: holes for communication, slots for communication, combination of holes and slots, combination of holes and holes, combination of slots and slots and more combinations; heat exchange with the second
  • the holes and or grooves that communicate with each other may also be the same as the holes communicated with the second heat exchange part, the grooves communicated with the second heat exchange part, or the holes and the grooves are combined with the second heat exchange part; the holes communicated with the third interface and Or the slot as well.
  • Connectivity also includes direct connectivity and indirect connectivity.
  • the bridge includes two holes or grooves for communication facing or close to the first heat exchange part, and the bridge includes at least two holes and or grooves that can communicate with the second heat exchange part, facing or close to the first heat exchange part
  • the holes or grooves used for communication can also be used to communicate with the second heat exchange part. If it is in the form of a through hole, it can face the first heat exchange part at the same time, or it can also face the second heat exchange part and be connected with the second heat exchange part.
  • the second heat exchange part communicates with each other.
  • the communication between the two through a pipeline or something is not a closed description in this article, which means that the two are connected, and also includes other components between the two such as throttling elements, separators, control valves, one-way Valves, heat exchangers and many more possibilities.
  • the fluid connection between the two heat exchange parts can be realized relatively easily through the setting of the bridge, and different system requirements can be realized by changing the structure of the bridge, so that the system pipeline is simple, the pipeline setting between the interfaces can be reduced, and the system The connection is simple and convenient.
  • the sensing element By setting the mounting part on the bridge to install the sensing element, and making the sensing head located in the flow channel from the first heat exchange part to the second heat exchange part, the sensing element can easily sense or detect the fluid flowing through it. Such as refrigerant related parameters.
  • FIG. 1 and FIG. 2 are schematic perspective views from two directions of the first embodiment of the throttle heat exchange assembly provided by the present invention
  • Fig. 3 is the schematic diagram of the front view direction of the throttle heat exchange assembly shown in Fig. 1;
  • Fig. 4 is the schematic diagram of the A-A direction sectional view of the assembly shown in Fig. 3;
  • Fig. 5 is the exploded schematic diagram of this assembly
  • FIG. 6 is a perspective view of a bridge of the assembly
  • FIG. 7 is a front view of the bridge shown in FIG. 6 and a schematic diagram of a cross-sectional view along the B-B direction and the C-C direction;
  • Fig. 8, Fig. 9 are the three-dimensional schematic diagrams of the two directions of the connector of the assembly.
  • FIGS. 10 and 11 are schematic perspective views of another embodiment of the bridge of the above-mentioned assembly.
  • FIGS. 12 and 13 are schematic perspective views of the second embodiment of the throttle heat exchange assembly from two directions;
  • FIG 14 is an exploded schematic diagram of the throttle heat exchange assembly shown in Figure 12;
  • FIG. 15 is a perspective view of two directions of the bridge of the throttle heat exchange assembly shown in FIG. 12;
  • Figure 16 is a schematic front view of the bridge shown in Figure 15;
  • FIG 17 is an exploded schematic view of the connector of the throttle heat exchange assembly shown in Figure 12;
  • Fig. 20 is a schematic diagram of the bridge of the throttling heat exchange assembly shown in Fig. 18 and Fig. 19;
  • FIG 21 is an exploded schematic view of the throttle heat exchange assembly shown in Figures 18 and 19;
  • Fig. 22 is a schematic perspective view of the connecting piece of the throttle heat exchange assembly shown in Fig. 18 and Fig. 19;
  • 23 and 24 are schematic diagrams of the forward and reverse directions of the connecting block of the connector shown in FIG. 22;
  • FIG. 25 is a schematic perspective view of the fourth embodiment of the throttle heat exchange assembly.
  • FIG 26 is an exploded schematic diagram of the throttle heat exchange assembly shown in Figure 25;
  • Figure 27 is a schematic perspective view of the bridge of the throttle heat exchange assembly shown in Figure 25;
  • FIG. 28 is a front view of the bridge shown in FIG. 27 and a schematic diagram of a cross-sectional view in the E-E direction and the D-D direction;
  • FIG. 29 is a schematic perspective view of the fifth embodiment of the throttle heat exchange assembly.
  • FIG 30 is an exploded schematic diagram of the throttle heat exchange assembly shown in Figure 29;
  • Figure 31 is a schematic diagram of the bridge of the throttle heat exchange assembly shown in Figure 29;
  • FIG. 32 is a schematic diagram of another direction of the bridge shown in FIG. 31 and a schematic diagram of a cross-sectional view in the G-G direction and the F-F direction;
  • FIG. 33 is a schematic perspective view of the sixth embodiment of the throttle heat exchange assembly.
  • FIG 34 is an exploded schematic view of the throttle heat exchange assembly shown in Figure 33;
  • FIG. 35 is a schematic perspective view of two directions of the bridge of the throttling heat exchange assembly shown in FIG. 33;
  • FIG. 36 is a schematic diagram of a front view and a rear view of the bridge shown in FIG. 35;
  • FIG. 37 is a perspective view of two directions of the connecting member of the throttle heat exchange assembly shown in FIG. 33 .
  • Figures 1 and 2 are perspective views from two directions of the first embodiment of the throttling heat exchange assembly provided by the present invention
  • Figure 3 It is a schematic diagram of the front view of the throttling heat exchange assembly
  • FIG. 4 is a schematic diagram of a cross-sectional view of the assembly shown in FIG. 3 in the direction of AA
  • FIG. 5 is an exploded schematic view of the assembly
  • FIG. 7 is a front view of the bridge shown in FIG. 6 and a schematic diagram of a cross-sectional view along the BB direction and the CC direction
  • FIGS. 8 and 9 are perspective views of two directions of the connector of the assembly.
  • the throttle heat exchange assembly includes a first heat exchange part 10 , a throttle element 110 , a bridge 20 , a second heat exchange part 30 , and a connector 40 .
  • the bridge 20 is located between the first heat exchange part 10 and the second heat exchange part 30
  • the connecting piece 40 is located on the other side of the second heat exchange part 30 , that is, the bridge 20 and the connecting piece 40 are located on two sides of the second heat exchange part.
  • the first heat exchange part 10 , the bridge 20 , and the second heat exchange part 30 are fixed by welding, or the first heat exchange part 10 , the bridge 20 , the second heat exchange part 30 , and the connecting piece are fixed by welding.
  • the first heat exchange part 10 has a heat exchange core body, the first heat exchange part 10 has two flow channels for fluid to flow through heat exchange, and the two fluid flow channels are separated from each other.
  • the plates are stacked and separated from the interlayer flow channels.
  • the first heat exchange part 10 can flow through at least two fluids, and the two fluids can exchange heat in the first heat exchange part.
  • one fluid is a refrigerant and the other is a refrigerant.
  • It can be a cooling liquid, such as for cooling heating elements such as batteries; it can also be used for three fluids, such as one fluid is a refrigerant, the other two can be a cooling liquid, and the two cooling liquids can be controlled and selected with the refrigerant.
  • the cooling liquid can be used to cool the components that need to be cooled after heat exchange and cooling.
  • the following two fluids are used as examples to illustrate.
  • the throttle heat exchange assembly has 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 .
  • the first heat exchange part is provided with a first interface 51 and a second interface 52
  • the bridge 20 is provided with a third interface 53
  • the connector 40 is provided with a fourth interface 54, a fifth interface 55, a sixth interface 56, The seventh interface 57 .
  • the throttling element 110 is fixed or limited to the first heat exchange part 10 , wherein the first heat exchange part 10 has four holes such as a first hole 103 and a second hole 104 (not all shown in the figure), the first The heat exchange part 10 is further provided with a pipe having a communication port 105 in the hole 104 , and the communication port 105 communicates with the throttle element 110 .
  • the first heat exchange 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 cooling liquid
  • the second interface part 102 has a first interface 51 for communicating with the cooling liquid.
  • the first interface 52, the first interface 51 and the second interface 52 communicate with each other through the flow channel of the heat exchange core.
  • the first interface portion 101 and the second interface portion 102 may be part of the side plate of the first heat exchange portion 10, It can be processed separately and fixed to the side plate and/or the heat exchange core of the first heat exchange part 10 by welding, and the first interface part and the second interface part can also be fixed to the first heat exchange part by way of pipe joints together.
  • the bridge 20 has a first matching portion 200 and a second matching portion 200 ′.
  • the first heat exchange portion 10 has a matching portion 100 .
  • the matching portion 100 is matched with the first matching portion 200 of the bridge 20
  • the second heat exchange portion 30 has a matching portion 300, which is matched with the second matching portion 200' of the bridge 20; the matching portion 100 of the first heat exchange portion 10 and the matching portion 300 of the second heat exchange portion 30 are matched with the bridge 20
  • Each of the two parts includes a plane part, and the holes or grooves for communication provided by the bridge 20 on the side of the first matching part 200 or the openings of the conducting parts are located inside the first matching part 200, and each opening for communication is located inside the first matching part 200.
  • the peripheries of the parts are surrounded by the first matching part 200, and the first heat exchange part 10 has a corresponding communication port at a position corresponding to each port position of the bridge 20 for communication, and the first heat exchange part 10 has a corresponding communication port.
  • Each communication port of the heat exchange portion 10 is located inside the matching portion 100 thereof, and each port for communication is surrounded by the matching portion 100; in this way, the matching portion 100 of the first heat exchange portion 10 is connected to the bridge 20.
  • the port for communication of the bridge 20 can communicate with the port for communication corresponding to the first heat exchange portion 10, or the two are used for communication in each case.
  • the perimeter of the mouth of the heat exchanger includes a part of the matching part, and both of them form a substantially closed structure at the opposite matching parts;
  • the matching part 300 of the second heat exchange part 30 corresponds to the position of the second matching part 200' of the bridge , after the two are welded and sealed, the port for communication of the bridge 20 on this side is all communicated with the port for communication of the second heat exchange part 30 .
  • the second heat exchange part 30 is connected to the bridge 20
  • the opposite side has the mouths of three channels: the third channel 301, the fourth channel 302, the mouth of the first channel 303, and the bridge 20 has a guide on the opposite side of the second heat exchange part 30, that is, the second matching part 200'.
  • the mouth of the flow hole 202 , the mouth of the first groove 203 , the mouth of the hole 2041 of the guide part 204 , the mouth of the third hole 301 of the second heat exchange part 30 and the mouth of the guide hole 202 are in the same position.
  • the mouth of the fourth hole 302 corresponds to the position of the mouth of the first slot 203
  • the mouth of the first hole 303 corresponds to the position of the mouth of the hole 2041 of the guide portion 204
  • the opening of the first groove 203 is generally extended up and down.
  • the upper and lower direction words in this article are for the purpose of clarification and should not be regarded as a limitation. Accordingly, they correspond to the height direction here.
  • the holes herein include but are not limited to through holes and blind holes, and the shape of the holes can be circular or non-circular; grooves are generally aimed at non-penetrating cases, and grooves also include most non-penetrating but partially penetrating cases.
  • 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 a structure that protrudes outward, and the third interface portion 211 may be a structure integral with the main body of the bridge 20, It may also be a structure that is processed separately and fixed to the main body of the bridge 20 by welding.
  • the bridge 20 is provided with a through hole 206, the first slot 203 is similar to a blind hole and extends up and down, and a through hole 206 is provided on the side of the first slot 203 relatively close to the third interface portion 211;
  • the side where the 200 is located is provided with a second slot 205.
  • the second slot 205 is similar to a blind hole and extends up and down.
  • the through hole 206 is located on the side of the second slot 205 that is relatively far from the third interface
  • the two slots 205 are communicated through the through hole 206, or the extended end of the first slot 203 is the through hole 206 or a part of the through hole 206, and the extended end of the second slot 205 is the through hole 206 or a part of the through hole 206, as shown in FIG. 7 .
  • the guide hole 202 is similar to a blind hole, the mouth of the guide hole 202 is on the side of the second matching part, the guide hole 202 communicates with the third interface 53 , and the depth of the guide hole 202 is greater than or equal to the thickness of the bridge 20 One-half of the thickness of the bridge 20, or the depth of the guide hole 202 is close to one-half of the thickness of the bridge 20, such as greater than or equal to one-third of the thickness of the bridge 20 and less than two-thirds of the thickness of the bridge 20; 204 includes a hole 2042 and a slot 2042, the hole 2042 is similar to a through hole, the slot 2042 is similar to a blind hole, and the mouth of the slot 2042 is disposed on the side where the first matching portion 200 is located.
  • the side of the bridge 20 facing the first heat exchange part 10 is defined as the front side
  • the side of the bridge 20 facing the second heat exchange part 30 is defined as the back side.
  • the front side of the bridge 20 is defined to set the first slot 203 side as the back side
  • the second slot 205 side as the front side
  • the projection of the first slot 203 to the front side is at least partially located in the groove 2042 of the conducting part
  • At least part of the second groove 205 is located, that is, the guide hole 202 and the second groove 205 are at least partially opposite and not directly connected, and the first groove 203 and the groove 2042 are at least partially opposite and not directly connected.
  • the connector 40 includes a main body portion 4010 and an extension portion 4011.
  • the connector 40 is provided with a fourth interface 54, a fifth interface 55, a sixth interface 56, and a seventh interface 57, and is also provided with a fixing hole 409 for coordinating and fixing or Limiting, the connector 40 has a slot 405 on the side facing the second heat exchange part 30 , the slot 405 is a structure similar to a blind hole, a seventh interface 57 is provided at the slot 405 relatively close to the fourth interface 54 , and the slot 405 A fifth interface 55 is provided at a substantially middle position, the fifth interface 55 communicates with the groove 405 , and the seventh interface 57 communicates with the groove 405 .
  • the connecting member 40 may further include a fixing member 450 for fixing or limiting, and the fixing member 450 can be fixed or limited and disposed in the fixing hole 409 .
  • the throttling heat exchange assembly can facilitate the installation and connection of the thermal management system, reduce the number of connected pipes, and reduce the volume of the system.
  • the throttling heat exchange assembly is used in a vehicle thermal management system as an example for illustration. It should be noted that these components are fixed in actual use. For the sake of clarity, the flow of the refrigerant is shown in the exploded diagram. way, this is only for clarity of illustration.
  • the vehicle thermal management system includes a refrigerant system and a battery thermal management system. Referring to FIG.
  • the battery thermal management system includes a first interface portion 101 for throttling heat exchange components, a second The interface part 102 and the part of the flow channel in the first heat exchange part 10 that communicate with the first interface 51 and the second interface 52, the heat of the battery can be transferred to the cooling liquid, and flow through the first interface 51 or the second interface 52.
  • the part of the flow channel of the first heat exchange part 10 exchanges heat with the refrigerant in another flow channel in the first heat exchange part 10 , and the cooling liquid is cooled and then returned to cool the battery.
  • the third interface 53 , the fourth interface 54 , the fifth interface 55 , the sixth interface 56 , and the seventh interface 57 are respectively used to communicate with the refrigerant system.
  • the refrigerant cooled by the condenser enters the throttle exchange through the third interface 53 .
  • the heat component, or the refrigerant passing through the accumulator enters the throttling heat exchange component through the third interface 53, so that the high temperature and high pressure refrigerant passes through the guide hole 202 to the third channel 301 of the second heat exchange part 30.
  • the hot part 30 exchanges heat with the refrigerant in another flow channel, it goes to the fourth channel 302, and the refrigerant to the fourth channel 302 is divided into two parts: one part is the space where the groove 405 is located, which is formed by the connection piece 40 and the second heat exchange part 30 in cooperation with the second heat exchange part 30.
  • the formed flow channel 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.
  • the throttling element 110 can also be set in front of the front evaporator or the rear evaporator; another part of the refrigerant passes through the bridge and the matching part of the second heat exchange part 30 to cooperate with the first groove.
  • the communication port enters the throttling element 110, and after being throttled by the throttling element 110, enters the hole of the first heat exchange part 10, and exchanges heat with the cooling liquid in the cooling liquid flow passage in the refrigerant flow passage of the first heat exchange part 10, It reaches the first channel 103, passes through the flow channel formed by the flow guide 204 matched by the bridge 20, the first heat exchange part 10 and the second heat exchange part 30, reaches the first channel 303 of the second heat exchange part 30, and It flows out through the fourth port 54 communicating with the first port 303, such as returning to the compressor; in addition, the sixth port 56 can be used to communicate the refrigerant flowing back from the front evaporator and/or the rear evaporator, and this part of the low-temperature refrigerant passes through the second
  • the second channel 304 of the heat exchange part 30 flows to the first channel 303 and exchanges heat with the high-temperature refrigerant flowing from the third channel 301 to the fourth channel 302 .
  • the bridge 20 is also provided with a first mounting portion 207 for the mounting of the sensing element 250, such as a temperature sensing element, so that the sensing head 2501 for temperature sensing passes through the first mounting portion 207 and is located where the air guide portion 204 is located In this way, the temperature of the refrigerant after passing through the first heat exchange part 10 or the outlet temperature of the evaporator can be obtained.
  • the sensing element 250 such as a temperature sensing element
  • the throttling heat exchange component can realize the heat exchange between the high temperature refrigerant and some low temperature refrigerants, reduce the temperature of the high temperature refrigerant, and will not make the temperature of the refrigerant return to the compressor too high, thereby improving the efficiency, and reducing the piping between the interfaces. Setup, system connection is simple and convenient.
  • the bridge 20 can also be shown in FIG. 10 and FIG. 11 .
  • the bridge 20 is an improvement on the above embodiment, and a hole 2032 is removed in the middle of the bridge 20 , and the shape of the hole 2032 can be different. Standard, it can be removed according to the needs of matching welding.
  • the hole is a through hole.
  • the distance between the through hole 2032 and the second groove 205 of the bridge 20 facing the first heat exchange part 10 for communication is greater than or equal to 1.5mm.
  • the hole 202' is a guide hole
  • the distance between the through hole 2032 and the first groove 203 of the bridge 20 facing the second heat exchange part 30 for communication is greater than or equal to 1.5mm
  • the distance between the through hole 2032 and the bridge is greater than or equal to 1.5mm.
  • the distance of the hole 2041 of the 20 toward the second heat exchange part 30 for communication is greater than or equal to 1.5mm, or this distance is used by the bridge 20 to cooperate with the first heat exchange part 10 and the second heat exchange part 30 respectively. distance from the welded mating part.
  • the holes for weight reduction do not necessarily need to be through holes.
  • the two sides of the bridge 20 are concave inward to form blind holes or grooves on both sides, which can reduce weight and facilitate welding, but through holes are more suitable for processing.
  • a recess 2031 is removed from one side, so that the area of the first matching portion 200 of the bridge 20 for matching with the first heat exchange portion 10 can be reduced.
  • the area of the second matching portion 200 ′ can be reduced, so that the area of the matching welding can be reduced, which is helpful to improve the welding quality, and at the same time, the weight can be reduced.
  • the bridge 20 has a first wall portion 215 and a second wall portion 216.
  • the surface of the first wall portion 215 facing the guide portion forms a first wall surface 2045 and a second wall portion 216 that smoothly transition.
  • the second wall surface 2046 with a smooth transition is formed on the surface facing the air guide part, so that through the flow channel formed by the air guide part 204' matched by the bridge 20, the first heat exchange part 10 and the second heat exchange part 30, the refrigerant turns Due to the arrangement of the smooth transition part, the flow resistance of the refrigerant can be reduced.
  • the non-circular guide holes 202' are in a slightly laterally extending state, so that it is more convenient to cooperate and circulate.
  • FIGS. 12 and 13 are perspective views of the throttling heat exchange assembly in two directions
  • FIG. 14 is the explosion of the throttling heat exchange assembly.
  • FIG. 15 is a schematic perspective view of the bridge of the throttling heat exchange assembly in two directions
  • FIG. 16 is a schematic front view of the bridge shown in FIG. 15
  • FIG. 17 is the explosion of the connecting piece of the throttling heat exchange assembly shown in FIG. 12 Schematic.
  • the throttling heat exchange assembly includes a first heat exchange part 10, a bridge 20, a second heat exchange part 30, and a connecting piece.
  • the throttle heat exchange assembly has 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 fixed or limited to the first heat exchange part 10 , wherein the first heat exchange part 10 has four holes such as a first hole 103 and a second hole 104 (not all shown in the figure), the first The heat exchange portion 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 cooling liquid
  • the second interface portion 102 has a first interface for communicating with the cooling liquid.
  • the interface 52, the first interface 51 and the second interface 52 are communicated through the flow channel of the heat exchange core.
  • the first interface part 101 and the second interface part 102 can be a part of the side plate of the first heat exchange part 10, or can be It is processed separately and fixed to the side plate and/or the heat exchange core of the first heat exchange part 10 by welding.
  • the bridge 20 has a first matching portion 200
  • the first heat exchange portion 10 has a matching portion 100 that is matched with the first matching portion 200 of the bridge 20
  • the first matching portion 200 is opposite to and matched with the matching portion 100 of the first heat exchange portion 10
  • the matching portion 100 of the first heat exchange portion 10 and the first matching portion 200 of the bridge 20 both include a plane portion
  • the bridge 20 is provided on the side of the first matching portion 200 for communicating with holes or grooves or holes in the conducting portion.
  • the mouth is located inside the first matching portion 200 and each mouth for communication is surrounded by the first matching portion 200 , and the first heat exchange portion 10 is at the position of each mouth that communicates with the bridge 20 .
  • Corresponding positions have corresponding communicating ports, and each communicating port is located inside its matching portion and each communicating port is surrounded by the matching portion; or, the two are oppositely arranged.
  • the matching parts of the heat exchangers all include a substantially closed structure; in this way, after the first matching part 100 of the first heat exchange part 10 and the first matching part 200 of the bridge 20 are welded and sealed, the opening of the bridge 20 for communication is connected to the first matching part 200 of the bridge 20.
  • the port for communication corresponding to the heat exchange part 10 is communicated.
  • the first heat exchange part 10 has the port of the first hole 103 on the opposite side of the bridge 20 and the communication port 105 of the pipe communicating with the throttle element.
  • the first heat exchange part 10 has the mouth of the first hole 103 and the communication port 105 connected with the throttle element on the opposite side of the bridge 20
  • the bridge 20 has a corresponding hole on the opposite side of the first heat exchange part 10 223 corresponds to the hole 224
  • the mouth of the hole 223 corresponds to the mouth of the hole 103 of the first heat exchange part 10
  • the mouth of the hole 224 corresponds to the communication port 105 that communicates with the throttling element
  • the holes 224 are through holes.
  • the bridge 20 has a second matching portion 200 ′, and the second matching portion 200 ′ faces the second heat exchange portion 30 .
  • the second heat exchange portion 30 has a matching portion 300 .
  • the two matching parts 200' both include a plane part, and the holes or grooves for communication or the mouth of the conducting part provided by the bridge 20 on the side of the second matching part (200') are located inside the second matching part 200' and The periphery of each port for communication is surrounded by the second matching portion 200 ′, and the second heat exchange portion 30 has a corresponding position at the position corresponding to the position of each port for communication of the bridge 20 .
  • each communication mouth is located inside its matching portion and the periphery of each communication port is surrounded by the matching portion; or the circumference of each communication port includes
  • the two oppositely arranged matching portions both form a substantially closed structure; the matching portion 300 of the second heat exchange portion 30 corresponds to the position of the second matching portion 200 ′ of the bridge, and the two are welded and sealed.
  • the port for communication of the bridge 20 on this side can communicate with the port for communication of the second heat exchange part 30 , specifically, the second heat exchange part 30 has three holes on the opposite side of the bridge 20
  • the bridge 20 has the mouth of the guide hole 202 on the opposite side of the second heat exchange part 30, that is, the second matching part, the hole
  • the mouth of 223 and the mouth of hole 224, the mouth of the third hole 301 of the second heat exchange part 30 corresponds to the mouth of the guide hole 202, the mouth of the fourth hole 302 and the mouth of hole 224
  • the position of the first hole 303 corresponds to the position of the mouth 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 a structure that protrudes outward, and the third interface portion 211 may be a structure integral with the main body of the bridge 20, It may also be a structure that is processed separately and fixed to the main body of the bridge 20 by welding.
  • the bridge 20 is provided with four holes 2032, and the holes 2032 are non-circular through holes, and may also be circular.
  • the guide hole 202 is similar to a blind hole, the mouth of the guide hole 202 is disposed on the side where the second matching portion is located, and the guide hole 202 communicates with the third interface 53 .
  • the bridge 20 further includes a protruding portion 217 and a second protruding portion 218.
  • the protruding portion 217 protrudes substantially laterally along the main body portion.
  • the second protruding portion 218 protrudes outward from a corner of the main body portion.
  • the first side surface of the protruding portion 217 2171 is lower than the second matching portion 200 ′ of the bridge 20
  • the second side surface 2172 of the convex portion 217 is lower than the first matching portion 200 of the bridge.
  • the thickness of the protruding portion 217 is smaller than the thickness of the bridge main body portion
  • the thickness of the second protruding portion 218 is smaller than the thickness of the bridge main body portion.
  • the provision of the protruding portion 217 and the second protruding portion 218 can reduce the main body of the bridge 20 , so that at least part of the fixing hole 221 can be provided on the protruding portion 217 and/or the second protruding portion 218 , and the third interface portion 211 can be At least part of the second protrusion 218 is located, thereby reducing its main body.
  • the connecting piece includes a connecting block 411, a connecting plate 412, a first fitting part 4131, a second fitting part 4132, a third fitting part 4133, the connecting block 411, the connecting plate 412, the first fitting part 4131, the second fitting
  • the matching portion 4132 and the third nozzle matching portion 4133 can be fixed by welding; the thickness of the connecting block 411 is greater than that of the connecting plate 412 .
  • the first fitting portion 4131 is provided with a fourth interface 54
  • the second fitting portion 4132 is provided with a seventh interface 57 and an eighth interface 58
  • the third fitting portion 4133 is provided with a fifth interface 55 and a sixth interface 56 .
  • the three fitting parts of the connecting piece are also provided with fixing holes 409 for cooperating with the fixing piece 450 to fix or limit the position.
  • the connecting plate 412 is located between the connecting block 411 and the three fitting parts of the nozzle.
  • the connecting block 411 is relatively close to the second heat exchange part 30 , or the connecting block 411 is close to the second heat exchange part 30 and is fixed by welding.
  • the connecting block 411 has three through holes: a through hole 4111, a through hole 4112, and a through hole 4113.
  • the through hole 4111 and the through hole 4112 are non-circular and can be arranged in an oblique or arc shape.
  • the shape is not required, as long as The positions of its two ends can lead to the corresponding flow channels, and the through hole 4113 is circular; one side of the through hole 4111 , the through hole 4112 and the through hole 4113 are located on the side of the connecting block 411 relatively close to the length direction.
  • the connecting plate 412 has five through holes: 4121, 4122, 4123, 4124, and 4125.
  • the positions of the through holes 4121 and 4125 correspond to the through holes 4111, that is, the through holes 4121 and 4125 can communicate with the through holes 4111;
  • the positions of 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 can communicate with the through-hole 4112, and the position of the through-hole 4123 corresponds to the through-hole 4113;
  • the position of the fourth interface 54 is Corresponding to the through hole 4121, the fourth interface 54 can communicate with the through hole 4121, that is, communicate with the through hole 4111 of the connecting block 411;
  • the position of the eighth interface 58 corresponds to the through hole 4125, and the eighth interface 58 can communicate with the through hole 4125.
  • the through hole 4111 of the connection block 411 is connected; the position of the seventh interface 57 corresponds to the through hole 4124; Corresponding to the hole 4122, the fifth interface 55 can communicate with the through hole 4122, that is, communicate with the through hole 4112 of the connecting block 411; the position of the sixth interface 56 corresponds to the through hole 4123, and the sixth interface 56 can communicate with the through hole 4123.
  • the through holes 4113 of the block 411 communicate with each other.
  • the connecting piece can be processed by a profile or a stamping piece and formed by assembling, which can reduce the machining steps.
  • the throttling heat exchange assembly can facilitate the installation and connection of the thermal management system, reduce the number of connected pipelines and connection interfaces, and reduce the volume of the system.
  • the throttling heat exchange assembly is used in a vehicle thermal management system as an example for illustration. It should be noted that these components are fixed in actual use. For the sake of clarity, the flow of the refrigerant is shown in the exploded diagram. mode, this is for clarity of illustration only, see Figure 14 and other views. Taking a vehicle thermal management system as an example, the vehicle thermal management system includes a refrigerant system and a battery thermal management system.
  • the flow channel performs heat exchange with the refrigerant in the other flow channel in the first heat exchange part 10, and the cooling liquid is cooled and then returned to cool the battery.
  • 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 to communicate with the refrigerant system. For example, the refrigerant cooled by the condenser passes through the third port.
  • the refrigerant to the fourth channel 302 is divided into two parts: one part is the flow channel formed by the connecting piece and the second heat exchange part 30 such as
  • one part is the flow channel formed by the connecting piece and the second heat exchange part 30 such as
  • the cooling liquid conducts heat exchange, reaches the first channel 103 , and passes through the through hole 223 of the bridge 20 to the first channel 303 of the second heat exchange part 30 , and passes through the through hole 411 and the connecting plate of the connecting block that communicate with the first channel 303 .
  • the through hole 4121 and the fourth interface 54 flow out, such as returning to the compressor; in addition, the sixth interface 56 can be used to communicate the refrigerant flowing back from the front evaporator and/or the rear evaporator, and this part of the low-temperature refrigerant passes through the through holes of the connecting plate. 4123.
  • the through hole 4113 of the block Connect the through hole 4113 of the block to the second channel 304 of the second heat exchange part, and then flow to the first channel 303 to exchange heat with the high-temperature refrigerant flowing from the third channel 301 to the fourth channel 302, in the first channel 303 , the two parts of the refrigerant can flow back to the compressor through the fourth interface after the confluence; the eighth interface 58 can be used to communicate the refrigerant flowing back from the rear evaporator and or the front evaporator, and this part of the low-temperature refrigerant passes through the through holes 4125,
  • the through hole 4111 of the connection block can be returned to the compressor through the fourth port after confluence with the rest of the refrigerant.
  • the flow direction in this paper is only for illustration, not as a limitation, nor is it a requirement of closure, and other components can be added to it, such as other control valves before the compressor.
  • the bridge 20 is provided with a first mounting portion 207 for mounting the sensing element 250, such as a temperature sensing element, the hole of the first mounting portion 207 can communicate with the through hole 223, so that the sensing head 2501 for temperature sensing passes through the mounting portion And it is located in the flow channel where the through hole 223 is located, so that the temperature of the refrigerant after passing through the first heat exchange part 10 or the outlet temperature of the evaporator can be obtained.
  • FIGS. 23 and 24 are schematic diagrams of the forward and reverse directions of the connecting block of the connecting piece shown in FIG. 22 .
  • the throttling heat exchange assembly includes a first heat exchange part 10 , a bridge 20 , a second heat exchange part 30 and a connecting piece.
  • the throttle heat exchange assembly has 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 fixed or limited to the first heat exchange part 10, wherein the first heat exchange part 10 has 4 holes such as the first hole 103 and the second hole 104 (the other two are not shown in the figures),
  • the first heat exchange 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 cooling liquid
  • the second interface part 102 has a first interface 51 for communicating with the cooling liquid.
  • the first interface 52, the first interface 51 and the second interface 52 communicate with each other through the flow channel of the heat exchange core.
  • the first interface portion 101 and the second interface portion 102 may be part of the side plate of the first heat exchange portion 10, It can be processed separately and fixed to the side plate and/or the heat exchange core of the first heat exchange part 10 by welding.
  • the bridge 20 has a first matching portion 200 and a second matching portion 200 ′.
  • the first matching portion 200 is opposite to and matching with the matching portion 100 of the first heat exchange portion 10
  • the second matching portion 200 ′ is connected with the second heat exchange portion 100 .
  • the matching parts 300 of the first heat exchange part 10, the matching part 300 of the second heat exchange part 30 and the two matching parts of the bridge all include flat parts, and the bridge 20 includes through holes 223 and The through hole 222 extends substantially laterally; the bridge 20 further includes a first mounting portion 207 , the hole of the first mounting portion 207 communicates with the through hole 222 , or the mounting portion is disposed on the side close to the through hole 222 .
  • the openings of the through holes 223 and the through holes 222 close to the first heat exchange part 10 are located inside the first matching part 200 and are surrounded by the first matching part 200 , or the openings of the through holes 223 and the through holes 222 On the other side, the openings of the through hole 223 and the through hole 222 are located inside the second matching part 200' and are surrounded by the second matching part 200', or It is said that the periphery of the mouth of the through hole 223 and the through hole 222 has a plane part for matching welding and sealing; in this way, after the matching part 100 of the first heat exchange part 10 and the first matching part 200 of the bridge are welded and sealed, The ports of the two through holes of the bridge 20 communicate with the ports used for communication corresponding to the first heat exchange portion 10 .
  • the through holes 223 of the bridge 20 correspond to and communicate with the communication port 105 , and the communication port 105 is connected to the throttle.
  • the element 110 is communicated, and the through hole 222 corresponds to and communicates with the first channel 103 of the first heat exchange part 10;
  • the through hole 223 of the bridge 20 corresponds to and communicates with the fourth hole 302 of the second heat exchange part 30
  • the through hole 222 corresponds to and communicates with the first hole 303 of the second heat exchange part 30 .
  • the bridge 20 further includes two through holes 2032, where the arrangement of the through holes 2032 can reduce the weight of the bridge, and can reduce the area of the plane parts of the two matching parts of the bridge 20, so that the bridge 20 and the first heat exchange part 10 , The matching part of the second heat exchange part 30 is reduced, so that the range of contact welding can be relatively controlled, and the corresponding welding quality can be improved.
  • the manufacture of the bridge 20 is relatively simple. For example, a profile can be used, and the profile can have four corresponding through holes, which can be manufactured by blanking, processing the mounting part and the two matching parts on both sides. The processing steps relatively can be reduced.
  • the connecting piece includes a connecting block 421 and an interface matching piece 423, and the connecting block 421 and the interface matching piece 423 can be fixed by welding or can be sealedly connected by a fixing piece and a sealing piece.
  • the connector is provided with 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 connection block includes a third interface part 4213, a fourth interface part 4214, a fifth interface part 4215, a sixth interface part 4216, a third interface part 4213, a fourth interface part 4214, a fifth interface part 4215, and a sixth interface part 4216 It can be a structure in which the plate body part of the connection block is integrated, or a structure that is processed separately and fixed to the plate body part of the connection block by welding.
  • the connecting block is also provided with a through hole 4217 and a through hole 4218, and is also provided with a fixing hole 429 for cooperating and fixing or limiting.
  • the connecting block is provided with a fourth interface 54 and a through hole 4218 on opposite sides of the slot 4211, respectively, and the fourth interface 54 and the through hole 4218 communicate with the slot 4211;
  • the fifth interface 55 communicates with the through hole 4217 , and the fifth interface 55 and the through hole 4217 communicate with the groove 4212 .
  • the sixth interface 56 communicates with the second channel 304 of the second heat exchange part 30
  • the fifth interface 55 communicates with the fourth channel 302 of the second heat exchange part 30
  • the third interface 53 communicates with the third channel 302 of the second heat exchange part 30 .
  • the holes 301 communicate with each other, and the fourth interface 54 communicates with the first holes 303 of the second heat exchange 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 connection block
  • the eighth interface 58 corresponds to and communicates with the through hole 4218 of the connection block.
  • the exploded view in FIG. 21 is illustrated, which is only for illustration, and several components are fixed in actual use.
  • the vehicle thermal management system includes a refrigerant system and a battery thermal management system.
  • the battery thermal management system includes a first interface part 101 of a throttle heat exchange component, a second The interface part 102 and the part of the flow channel connected with the first interface and the second interface in the first heat exchange part 10, the heat of the battery can be transferred to the cooling liquid, and the first interface 51 or the second interface 52 flows through the first interface 51 or the second interface 52.
  • This part of the flow channel of the heat exchange part conducts heat exchange with the refrigerant in the other flow channel in the first heat exchange part 10, and the cooling liquid is cooled and then returned to cool the battery.
  • 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 to communicate with the refrigerant system.
  • the refrigerant cooled by the condenser passes through the third port. 53 enters the throttling heat exchange assembly, or the refrigerant passing through the accumulator enters the throttling heat exchange assembly through the third interface 53, so that the high temperature and high pressure refrigerant is connected to the third hole 301 of the second heat exchange part 30.
  • the second heat exchange part 30 exchanges heat with the refrigerant in the other flow channel and then goes to the fourth channel 302, and the refrigerant to the fourth channel 302 is divided into two parts: one part is formed by the connecting piece and the second heat exchange part 30, where the groove 4212 is located.
  • the flow channel formed by the space 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 through the fifth interface 55.
  • the evaporator leads to the front evaporator through the seventh interface 57, and a throttling element can also be set before the front evaporator or the rear evaporator; another part of the refrigerant communicates with the fourth hole 302 of the second heat exchange part 30 through the bridge 20
  • the hole 223 and the communication port 105 communicating with the throttling element 110 enter the throttling element 110 , and the throttling element 110 enters the second hole 104 of the first heat exchange part 10 after throttling, and enters the second hole 104 of the first heat exchange part 10
  • the cooling medium flow channel exchanges heat with the cooling liquid in the cooling liquid flow channel, reaches the first channel 103, and passes through the flow channel formed by the through hole 222 matched by the bridge 20, the first heat exchange part 10 and the second heat exchange part 30, to the first port 303 of the second heat exchange part 30, and flow out through the fourth port 54 communicating with the first port 303, such as returning to the compressor; in addition, the sixth port 56 can be
  • the eighth port 58 can be used to communicate the refrigerant flowing back from the rear evaporator or the front evaporator.
  • This part of the low-temperature refrigerant is matched with the second heat exchange part 30 through the connector and is combined with the flow channel formed by the groove 4211, and flows to the fourth Port 54, after the confluence of the three parts, the refrigerant can flow back to the compressor through the fourth port 54.
  • the flow direction in this article is only for illustration, not a limitation, nor a closed requirement. Other components can be added to it, such as adding other components before the compressor. Control valve parts, etc.
  • the bridge 20 is also provided with a first mounting portion 207 for mounting the sensing element 250, such as a temperature sensing element, so that the sensing head 2501 for temperature sensing passes through the mounting portion and is located in the flow channel where the through hole 222 is located, In this way, the temperature of the refrigerant after passing through the first heat exchange part or the outlet temperature of the evaporator can be obtained.
  • the sensing element 250 such as a temperature sensing element
  • the throttling heat exchange assembly can also be shown in Figures 25-28.
  • Figure 25 is a schematic perspective view of the fourth embodiment of the throttling heat exchange assembly
  • Figure 26 is an exploded schematic view of the throttling heat exchange assembly
  • Figure 27 shows the section A schematic perspective view of the bridge of the flow heat exchange assembly
  • FIG. 28 is a schematic diagram of a front view of the bridge shown in FIG. 27 and a cross-sectional view along the EE direction and the DD direction.
  • the throttle heat exchange assembly includes a first heat exchange part 10 , a throttle element 110 , a bridge 20 , a second heat exchange part 30 , and a connector.
  • Most of the bridge 20 is located between the first heat exchange part 10 and the second heat exchange part 30
  • the connecting piece 40 is located on the other side of the second heat exchange part 30 , that is, the bridge 20 and the connecting piece 40 are respectively located in the second heat exchange part
  • the first heat exchange part 10 , the bridge 20 and the second heat exchange part 30 are fixed by welding, or the first heat exchange part 10 , the bridge 20 , the second heat exchange part 30 and the connecting piece are fixed by welding.
  • the first heat exchange part 10 is larger than the second heat exchange part 30 .
  • the first heat exchange part 10 has a heat exchange core body, the first heat exchange part 10 has two flow channels for fluid to flow through heat exchange, and the two fluid flow channels are separated from each other.
  • the plates are stacked and separated from each other.
  • the first heat exchange part 10 can flow through at least two fluids, and the two fluids can exchange heat in the first heat exchange part 10.
  • one fluid is a refrigerant and the other is a refrigerant.
  • One can be a cooling liquid, such as for cooling heating elements such as batteries; in addition, it can be used for three kinds of fluids, such as one fluid is a refrigerant, the other two can be a cooling liquid, and the two kinds of cooling liquids can be controlled and selected with the refrigerant.
  • the cooling liquid can be used to cool the components that need to be cooled after heat exchange and cooling.
  • the following two fluids are used as examples to illustrate.
  • the throttle heat exchange assembly has 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 exchange part 10 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
  • the connector 40 is provided with a fourth interface 54 , a fifth interface 55 and a sixth interface 56 .
  • the throttle element 110 and the bridge 20 are fixed or limited.
  • the first heat exchange part 10 has four channels such as a first channel 103 and a second channel 104 (the other two are not shown).
  • the first heat exchange 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 cooling liquid
  • the second interface part 102 has a first interface 51 for communicating with the cooling liquid.
  • the first interface 52, the first interface 51 and the second interface 52 communicate with each other through the flow channel of the heat exchange core.
  • the first interface portion 101 and the second interface portion 102 may be part of the side plate of the first heat exchange portion 10, It can be processed separately and fixed to the side plate and/or the heat exchange core of the first heat exchange part 10 by welding.
  • the bridge 20 has a first matching portion 200 and a second matching portion 200 ′.
  • the first heat exchange portion 10 has a matching portion 100
  • the matching portion 100 is matched with the first matching portion 200 of the bridge.
  • the second heat exchange portion 30 There is a matching part 300, which is matched with the second matching part 200' of the bridge; the matching part 100 of the first heat exchange part 10, the matching part 300 of the second heat exchange part 30 and the two matching parts of the bridge include The plane part, the hole or groove for communication of the bridge 20 on the side of the first matching part 200 or the mouth of the conducting part is located inside the first matching part 200 and the circumference of each mouth for communication is The first matching portion 200 surrounds, and the first heat exchange portion 10 has a corresponding communication port at a position corresponding to the position of each port for communication of the bridge 20 , and the first heat exchange portion 10 each A communicating port is located inside the matching portion thereof and each port for communication is surrounded by the matching portion; in this way, the matching portion 100 of the first heat exchange portion 10 and the
  • the port for communication of the bridge 20 can communicate with the port for communication corresponding to the first heat exchange portion 10, or the periphery of each port for communication includes the In part, both of them form a substantially closed structure at the oppositely arranged mating parts.
  • the first heat exchange part 10 has the mouth of the first hole 103 and the mouth of the second hole 104 on the opposite side of the bridge 20
  • the bridge 20 has corresponding holes 2084 and 2091 on the opposite side of the first heat exchange part 10
  • the mouth of the hole 2084 corresponds to the mouth of the first channel 103 of the first heat exchange part 10
  • the mouth of the hole 2091 corresponds to the mouth of the second channel 104 of the first heat exchange part.
  • the bridge 20 further has a slot 2080 on the opposite side of the first heat exchange part 10 , one side of the slot 2080 communicates with the hole 2081 , and the other side of the slot 2080 has an inclined hole 2082 , and the other end of the inclined hole 2082 Connect to 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 position of the matching portion 300 of the second heat exchange portion 30 corresponds to the position of the second matching portion 200 ′ of the bridge 20 . After the two are welded and sealed, the opening of the bridge 20 for communication on this side is connected to the second heat exchange portion 30 .
  • the ports used for communication are respectively communicated.
  • the second heat exchange portion 30 has three ports on the opposite side of the bridge 20: the ports of the third port 301, the fourth port 302, and the first port 303.
  • the bridge 20 has the mouth of the guide hole 202 , the mouth of the hole 2081 and the mouth of the hole 2084 on the opposite side of the second heat exchange part 30 , that is, the second matching part, and the third hole of the second heat exchange part 30
  • the mouth of 301 corresponds to the position of the mouth of the guide hole 202
  • the mouth of the fourth hole 302 corresponds to the position of the mouth of the hole 2081
  • the mouth of the first hole 303 corresponds to the position of the mouth of the hole 2084. correspond.
  • the bridge 20 includes a third interface portion 211, a first mounting portion 207 and a second 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 in which the main body of the bridge 20 is integrated, or a structure that is processed separately and fixed to the main body of the bridge 20 by welding.
  • the first mounting portion 207 is used to fit the sensing element
  • the second mounting portion 209 is used to fit the throttle element.
  • the hole of the first mounting part 207 is communicated with the hole 2084, and the sensor head 2501 for temperature sensing of the temperature sensing element passes through the first mounting part 207 and is located in the flow channel where the hole 2084 is located.
  • the installation direction of the throttling element can also be other directions, for example, the installation part is extended from the side of the bridge to the inside of the bridge, and the axis of the throttling element is substantially parallel to the longitudinal direction of the bridge.
  • the bridge 20 is provided with three through holes 2032, so as to reduce the weight of the bridge and reduce the area of the flat part for welding, so as to improve the welding quality.
  • the bridge 20 is also provided with fixing holes 221 for fixing.
  • the connecting piece includes a connecting part 431 and a connecting part 432 , the connecting part 431 has a fourth interface 4 , the connecting part 432 has a fifth interface 55 and a sixth interface 56 , and the connecting part 431 has a second heat exchange part 30 .
  • the first hole 303 of the first hole corresponds to the matching space to realize the flow path from the first hole 303 to the fourth interface.
  • the fifth port 55 connecting the second part 432 corresponds to and fits with the fourth hole 302 of the second heat exchange part 30
  • the sixth port 56 connecting the second part 432 corresponds to and cooperates with the second hole 304 of the second heat exchange part 30 .
  • the connecting piece may further include a fixing piece 450 for fixing or limiting the position.
  • the connecting first part 431 and the connecting second part 432 may have fixing holes, and the fixing piece 450 can be fixed or limited in the fixing hole 409 .
  • the throttling heat exchange assembly can facilitate the installation and connection of the thermal management system, reduce the number of connected pipes, and reduce the volume of the system.
  • the throttling heat exchange assembly is used in a vehicle thermal management system as an example for illustration. It should be noted that these components are fixed in actual use. For the sake of clarity, the flow of the refrigerant is shown in the exploded diagram. way, this is only for clarity of illustration.
  • the vehicle thermal management system includes a refrigerant system and a battery thermal management system. Referring to FIG.
  • the battery thermal management system includes a first interface part 101 of a throttle heat exchange component, a second The interface part 102 and the part of the flow channel connected with the first interface and the second interface in the first heat exchange part 10, the heat of the battery can be transferred to the cooling liquid, and the first interface 51 or the second interface 52 flows through the first interface 51 or the second interface 52.
  • This part of the flow channel of the heat exchange part 10 performs heat exchange with the refrigerant in the other flow channel in the first heat exchange part 10, and the cooling liquid is cooled and then returned to cool the battery.
  • the third interface 53 , the fourth interface 54 , the fifth interface 55 and the sixth interface 56 are respectively used to communicate with the refrigerant system.
  • the refrigerant cooled by the condenser enters the throttling heat exchange assembly through the third interface 53 , or
  • the refrigerant passing through the accumulator enters the throttling heat exchange component through the third interface 53, so that the high temperature and high pressure refrigerant passes through the guide hole 202 to the third channel 301 of the second heat exchange part, and the second heat exchange part 30 communicates with another flow.
  • the refrigerant in the channel goes to the fourth channel 302, and the refrigerant to the fourth channel 302 is divided into two parts: one part flows out from the fifth interface 55 through the connecting two parts 432, for example, it leads to the front evaporator or other evaporation through the fifth interface 55
  • a throttling element can also be provided before the front evaporator; another part of the refrigerant enters the throttling element 110 through the holes 2081, grooves 2080 and slanted holes 2082 of the bridge, and after being throttled by the throttling element 110, passes through the hole 2091 to the first
  • the second hole 104 of the heat exchange part 10 exchanges heat with the cooling liquid in the cooling medium flow channel of the first heat exchange part 10 and reaches the first hole 103 and passes through the holes 2084 of the bridge and the second exchange.
  • the first port 303 of the hot part 30 flows out through the fourth port communicating with the first port 303, such as returning to the compressor; in addition, the sixth port 56 can be used to communicate the refrigerant flowing back from the front evaporator or other evaporators,
  • This part of the low-temperature refrigerant flows through the second channel 304 of the second heat exchange part 30 to the first channel 303, and exchanges heat with the high-temperature refrigerant flowing from the third channel 301 to the fourth channel 302.
  • the two parts of the refrigerant converge.
  • the throttling heat exchange assembly can also be shown in Figures 29-32, Figure 29 is a perspective view of the fifth embodiment of the throttling heat exchange assembly, Figure 30 is an exploded schematic diagram of the throttling heat exchange assembly, and Figure 31 is the A schematic diagram of the bridge of the throttling heat exchange assembly, FIG. 32 is a schematic diagram of another direction of the bridge shown in FIG. 31 and a schematic diagram of a cross-sectional view of the GG direction and the FF direction.
  • the throttle heat exchange assembly includes a first heat exchange part 10 , a throttle element 110 , a bridge 20 , a second heat exchange part 30 , and a connector.
  • the connecting piece is located on the other side of the second heat exchange part 30 , that is, the bridge 20 and the connecting piece are located at the side of the second heat exchange part 30 .
  • the first heat exchange part 10 , the bridge 20 and the second heat exchange part 30 are fixed by welding, or the first heat exchange part 10 , the bridge 20 , the second heat exchange part 30 and the connecting piece are fixed by welding.
  • the first heat exchange part 10 is larger than the second heat exchange part 30 .
  • the first heat exchange part 10 has a heat exchange core.
  • the first heat exchange part 10 includes at least two flow channels for fluid to flow through heat exchange, and the two fluid flow channels are separated from each other.
  • the first heat exchange part 10 includes Through the interlayer flow channels separated by the lamination of plates, the first heat exchange part 10 can flow through at least two fluids, and the two fluids can exchange heat in the first heat exchange part, for example, one fluid is a refrigerant, and the other fluid is a refrigerant.
  • the following two fluids are used as examples to illustrate.
  • the throttle heat exchange assembly has 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 exchange part 10 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
  • the connector is provided with a fourth interface 54 , a fifth interface 55 and a sixth interface 56 .
  • the throttle element 110 and the bridge 20 are fixed or limited.
  • the first heat exchange part 10 has four channels such as a first channel 103 and a second channel 104 (two channels communicating with the cooling liquid are not shown).
  • the first heat exchange 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 cooling liquid
  • the second interface part 102 has a first interface 51 for communicating with the cooling liquid.
  • the first interface 52, the first interface 51 and the second interface 52 communicate with each other through the flow channel of the heat exchange core.
  • the first interface portion 101 and the second interface portion 102 may be part of the side plate of the first heat exchange portion 10, It can be processed separately and fixed to the side plate and/or the heat exchange core of the first heat exchange part 10 by welding; The parts 10 are fixed together.
  • the bridge 20 has a first matching portion 200 and a second matching portion 200 ′.
  • the first heat exchange portion 10 has a matching portion 100 .
  • the matching portion 100 is matched with the first matching portion 200 of the bridge 20
  • the second heat exchange portion 30 has a matching portion 300, which is matched with the second matching portion 200' of the bridge 20; the matching portion 100 of the first heat exchange portion 10 and the matching portion 300 of the second heat exchange portion 30 are matched with the bridge 20
  • Each of the two parts includes a plane part, and the hole or groove of the bridge 20 on the side of the first matching part 200 for communication or the opening of the conducting part is located inside the first matching part 200 and the opening of each opening for communication is located inside the first matching part 200.
  • the first heat exchange portion 10 has a corresponding communication port at a position corresponding to each port position of the bridge 20 for communication, and the first heat exchange portion
  • Each communication port of the part 10 is located inside its mating portion and each port for communication is surrounded by the mating portion; in this way, the mating portion 100 of the first heat exchange portion 10 is matched with the first mating portion of the bridge 20
  • the port for communication of the bridge 20 can communicate with the port for communication corresponding to the first heat exchange part 10, or the periphery of each port for communication includes all the ports.
  • the first heat exchange part 10 has the mouth of the first hole 103 and the mouth of the second hole 104 on the opposite side of the bridge 20 , and the bridge 20 has corresponding holes 2084 and 2091 on the opposite side of the first heat exchange part 10 , the mouth of the hole 2084 corresponds to the mouth of the first hole 103 of the first heat exchange part 10 , and the mouth of the hole 2091 corresponds to the mouth of the second hole 104 of the first heat exchange part 10 .
  • the bridge 20 also has a slot 2080 on the opposite side of the first heat exchange part 10, the slot 2080 communicates with the hole 2081', and on the other side of the slot, there is an inclined hole 2082, the other end of the inclined hole 2082 is connected to the installation
  • the hole of the mounting part 209 is connected to the hole 2081' through the inclined hole 2082 and the groove 2080.
  • the position of the matching portion 300 of the second heat exchange portion 30 corresponds to the position of the second matching portion 200 ′ of the bridge.
  • the port of the bridge 20 for communication on this side is connected to the second heat exchange portion 30 .
  • the ports used for communication are communicated correspondingly.
  • the second heat exchange portion 30 has three ports on the opposite side of the bridge 20: the ports of the third port 301, the fourth port 302, and the first port 303,
  • the bridge 20 has the mouth of the guide hole 202 , the mouth of the hole 2081 ′ and the mouth of the hole 2084 on the opposite side of the second heat exchange part 30 .
  • the positions of the mouths of the guide holes 202 correspond, the mouths of the fourth holes 302 correspond to the positions of the mouths of the holes 2081 ′, and the mouths of the first holes 303 correspond to the positions of the mouths of the holes 2084 .
  • the bridge 20 includes a third interface portion 211, a first mounting portion 207 and a second 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 in which the main body of the bridge 20 is integrated, or a structure that is processed separately and fixed to the main body of the bridge 20 by welding.
  • the first mounting portion 207 is used to fit the sensing element 250
  • the second mounting portion 209 is used to fit the throttle element 110 .
  • the hole of the first mounting part 207 is communicated with the hole 2084, and the sensing element is such as a temperature sensing element. The temperature of the refrigerant after the heat exchange unit 10 or the outlet temperature of the evaporator.
  • the bridge 20 is provided with four through holes 2032 , so as to reduce the weight of the bridge 20 and reduce the area of the flat part for welding, so as to improve the welding quality.
  • the bridge 20 is also provided with fixing holes 221 for fixing.
  • the connecting piece includes a connecting part 441 and a connecting part 442; the connecting part 441 has a fourth interface 54; the connecting part 442 has a fifth interface 55 and a sixth interface 56;
  • the first orifice 303 of the first orifice corresponds to a matching space to realize the flow path from the first orifice 303 to the fourth interface, and can also be fixed at a corresponding position around the first orifice 303 in the manner of a joint.
  • the fifth port 55 connecting the second part 442 corresponds to and fits with the fourth hole 302 of the second heat exchange part 30
  • the sixth port 56 connecting the second part 442 corresponds to and cooperates with the second hole 304 of the second heat exchange part 30 .
  • the connecting piece may further include a fixing piece 450 for fixing or limiting, the connecting part 441 and the connecting second part 442 may have a fixing hole 409 , and the fixing piece 450 can be fixed or limited in the fixing hole 409 .
  • the throttling heat exchange assembly can facilitate the installation and connection of the thermal management system, reduce the number of connected pipes, and reduce the volume of the system.
  • the throttling heat exchange assembly is used in a vehicle thermal management system as an example for illustration. It should be noted that these components are fixed in actual use. For the sake of clarity, the flow of the refrigerant is shown in the exploded diagram. way, this is only for clarity of illustration.
  • the vehicle thermal management system includes a refrigerant system and a battery thermal management system. Referring to FIG.
  • the battery thermal management system includes a first interface portion 101 of a throttle heat exchange component, a second The interface part 102 and the part of the flow channel connected with the first interface and the second interface in the first heat exchange part 10, the heat of the battery can be transferred to the cooling liquid, and the first interface 51 or the second interface 52 flows through the first interface 51 or the second interface 52.
  • This part of the flow channel of the heat exchange part 10 performs heat exchange with the refrigerant in the other flow channel in the first heat exchange part 10, and the cooling liquid is cooled and then returned to cool the battery.
  • the third interface 53, the fourth interface 54, the fifth interface 55, and the sixth interface 56 are used for the communication of the refrigerant system.
  • the refrigerant cooled by the condenser enters the throttling heat exchange assembly through the bridge 20 through the third interface 53, or
  • the refrigerant passing through the accumulator enters the throttling heat exchange assembly through the third interface 53, so that the high temperature and high pressure refrigerant passes through the diversion hole 202 to the third channel 301 of the second heat exchange part 30, where the second heat exchange part 30 and the second heat exchange part 30.
  • the refrigerant in the other channel goes to the fourth channel 302, and the refrigerant to the fourth channel 302 is divided into two parts: one part flows out from the fifth interface 55 through the connecting two parts 432, such as through the fifth interface 55 to the front evaporator or
  • a throttling element 110 can also be installed before the front evaporator; another part of the refrigerant enters the throttling element 110 through the hole 2081 ′, the groove 2080 and the inclined hole 2082 of the bridge 20 , and passes through the throttling element 110 after being throttled.
  • the hole 2091 goes to the second hole 104 of the first heat exchange part 10, and the cooling liquid in the cooling medium flow channel of the first heat exchange part 10 exchanges heat with the cooling liquid in the cooling liquid flow channel, reaches the first hole 103, and passes through the bridge 20.
  • the flow direction in this paper is only for illustration, not as a limitation, nor is it a requirement of closure, and other components can be added to it, such as other control
  • the throttling heat exchange assembly can also be shown in Figures 33-37.
  • Figure 33 is a schematic perspective view of the sixth embodiment of the throttling heat exchange assembly
  • Figure 34 is an exploded schematic view of the throttling heat exchange assembly
  • Figure 35 is a throttling heat exchange assembly.
  • 36 is a schematic diagram of the front and rear views of the bridge shown in FIG. 35
  • FIG. 37 is a perspective view of two directions of the connecting piece of the throttling heat exchange assembly shown in FIG. 33.
  • the throttle heat exchange assembly includes a first heat exchange part 10 , a throttle element 110 , a bridge 20 , a second heat exchange part 30 , and a connecting piece 45 .
  • the connecting piece 45 is located on the other side of the second heat exchange part 30 , that is, the bridge 20 and the connecting piece 45 are respectively located in the second heat exchange part
  • the first heat exchange part 10 , the bridge 20 , and the second heat exchange part 30 are fixed by welding, or the first heat exchange part 10 , the bridge 20 , the second heat exchange part 30 , and the connecting piece are fixed by welding.
  • the first heat exchange part 10 has a heat exchange core body, the first heat exchange part 10 has two flow channels for fluid to flow through heat exchange, and the two fluid flow channels are separated from each other.
  • the plates are stacked and separated from each other.
  • the first heat exchange part 10 can flow through at least two fluids, and the two fluids can exchange heat in the first heat exchange part 10.
  • one fluid is a refrigerant and the other is a refrigerant.
  • One can be a cooling liquid, such as for cooling heating elements such as batteries; in addition, it can be used for three kinds of fluids, such as one fluid is a refrigerant, the other two can be a cooling liquid, and the two kinds of cooling liquids can be controlled and selected with the refrigerant.
  • the cooling liquid can be used to cool the components that need to be cooled after heat exchange and cooling.
  • two fluids are used as examples to illustrate.
  • the throttle heat exchange assembly has 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 exchange part 10 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
  • the connector 45 is provided with a fourth interface 54 , a fifth interface 55 and a sixth interface 56 .
  • the throttling element 110 is fixed or limited to the first heat exchange part 10 , wherein the first heat exchange part 10 has four holes such as a first hole 103 and a second hole 104 (not all shown in the figure), the first The heat exchange part 10 is further provided with a pipe with a communication port 105 in the second hole 104 , the second hole 104 is not communicated near the bridge side, and the communication port 105 communicates with the inlet of the throttle element 110 .
  • the first interface part 101 of the first heat exchange part 10 has a first interface 51 for communicating with the cooling liquid
  • the second interface part 102 has a first interface 52 for communicating with the cooling liquid
  • the interface 52 is communicated through the flow channel of the heat exchange core.
  • the first interface part 101 and the second interface part 102 can be part of the side plate of the first heat exchange part 10, or they can be processed separately and welded with the first heat exchange part.
  • the side plates and/or the heat exchange core of the part 10 are fixed.
  • the bridge 20 has a first matching portion 200 and a second matching portion 200 ′.
  • the first heat exchange portion 10 has a matching portion 100
  • the matching portion 100 is matched with the first matching portion 200 of the bridge.
  • the second heat exchange portion 30 There is a matching portion 300, which is matched with the second matching portion 200' of the bridge; the matching portion 100 of the first heat exchange portion 10, the matching portion 300 of the second heat exchange portion 30 and the two matching portions of the bridge 20 are Including a plane part, the holes or grooves for communication or the mouth of the conducting part provided by the bridge 20 on the side of the first matching part 200 are all located inside the first matching part 200, and the opening of each opening for communication is located inside the first matching part 200.
  • the first heat exchange portion 10 has a corresponding communication port at a position corresponding to each port position of the bridge 20 for communication, and the first heat exchange portion
  • Each communication port of the part 10 is located inside its mating portion and each port for communication is surrounded by the mating portion; in this way, the mating portion 100 of the first heat exchange portion 10 is matched with the first mating portion of the bridge 20
  • the port for communication of the bridge 20 can communicate with the port for communication corresponding to the first heat exchange part 10, or the periphery of each port for communication includes all the ports.
  • the matching part 300 of the second heat exchange part 30 corresponds to the position of the second matching part 200' of the bridge 20, and the two are welded and sealed. Afterwards, the ports used for communication on this side of the bridge 20 are all communicated with the ports used for communication of the second heat exchange part 30 , specifically, the second heat exchange part 30 has three holes on the opposite side of the bridge 20 .
  • the mouths of 301 the mouths of the third channel 301, the fourth channel 302, the first channel 303, the bridge 20 has the mouth and holes of the guide groove 264 on the opposite side of the second heat exchange part 30, that is, the second matching part
  • the mouth of the third hole 301 of the second heat exchange part 30 corresponds to the partial position of the mouth of the diversion groove 264
  • the first The mouth of the four-hole channel 302 corresponds to the position of the mouth of the hole 262
  • the mouth of the first hole 303 corresponds to the position of the mouth of the hole 266 .
  • the diversion groove 264 includes a first part 2641, a second part 2642 and a transition part 2640.
  • the first part 2641 is relatively close to the third interface part, and the second part 2642 is relatively far from the third interface part; the transition part 2640 is located between the first part 2641 and the third interface part.
  • the depth of the first portion 2641 is greater than the depth of the second portion 2642 , and the depth of the first portion 2641 near the third interface portion is greater than or equal to half the thickness of the bridge 20 or close to half the thickness of the bridge 20 , such as the depth of the bridge 20 or greater.
  • One third of the thickness is less than two thirds of the thickness of the bridge 20, and the first portion 2641 communicates with the third interface.
  • the first heat exchange part 10 On the opposite side of the bridge 20 and the first heat exchange part 10, the first heat exchange part 10 has the mouth of the first hole 103 and the communication port 105 communicated with the throttle element on the opposite side of the bridge 20.
  • the opposite side of a heat exchange part 10 has corresponding third grooves 263 and fourth grooves 265.
  • the third groove 263 communicates with the smaller hole 262
  • the fourth groove 265 communicates with the larger hole 266, and the fourth groove 265 communicates with the larger hole 266.
  • a portion of the mouth portion corresponds to the mouth portion of the first hole 103 of the first heat exchange portion 10
  • the mouth portion of the third groove 263 corresponds to the communication port 105 that communicates with the throttling element.
  • the projection of one of the guide groove 264 and the third interface 53 to the front is at least partially located in the third groove 263, the projection of the guide groove 264 to the front is at least partially located in the fourth groove 265, and the guide groove 264 and the fourth groove 265 are at least partially located. Partially opposite and not directly connected.
  • the first, second, third, fourth and other serial numbers here are only for distinguishing and explaining, and do not specify 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, and the third interface portion 211 includes a structure that protrudes outward. It may be a structure that is separately machined and fixed to the main body of the bridge 20 by welding. In addition, the bridge 20 is provided with two through holes 2032 .
  • the first part 2641 of the diversion groove 264 is close to the third interface part, the second part 2642 of the diversion groove 264 is relatively far away from the third interface part, and the diversion groove 264 is substantially extended along the length direction; the third interface 53 and the diversion groove
  • the first part 2641 of 264 is connected, and the depth of the second part 2642 of the guide groove 264 is lower than half of the thickness of the bridge 20, even not more than 0.4 times the thickness of the bridge 20; the depth of the fourth groove 265 is lower than that of the bridge 20 half of the thickness of the bridge 20, the depth of the third groove 263 is less than half the thickness of the bridge 20, even if the depth of the fourth groove 265 is not greater than 0.4 times the thickness of the bridge 20, the depth of the third groove 263 is not greater than the thickness of the bridge 20 0.4 times; in this way, grooves can be provided on both sides of the bridge 20 to form relatively independent flow channels with the two heat exchange parts, and the entire assembly can be reduced.
  • the thickness of the bridge 20 herein refers to the thickness of the two mating portions of the bridge.
  • the bridge 20 is also provided with two shoulders 212, 213, the shoulders 212, 213 at least partially protrude from the body, the bridge 20 is provided with a fixing hole 221, at least one shoulder or a fixing hole near the shoulder is provided.
  • the through holes 2032 herein are to reduce the weight and make the bridge 20 suitable for welding with the first heat exchange part 10 and the second heat exchange part 30 , and the through holes 2032 are from the side of the bridge 20 close to the first heat exchange part 10 Pass through to the side close to the second heat exchange part 30, the through hole 2032 is not connected with the hole of the first heat exchange part 10, the through hole 2032 is not connected with the hole of the second heat exchange part 30, the through hole 2032 is not connected with the bridge
  • the holes or grooves used for communication are not connected; the distance between the through holes 2032 and the holes used for communication in the direction of the bridge 20 or close to the first heat exchange part 10 is greater than or equal to 1.5 mm, and the distance between the through holes 2032 and the direction of the bridge 2032 is greater than or equal to 1.5 mm.
  • the distance between the grooves used for communication in the first heat exchange part is greater than or equal to 1.5mm; the distance between the through holes 2032 and the holes used for communication in the second heat exchange part toward or close to the bridge is greater than or equal to 1.5mm, and the through holes 2032 The distance from the bridge toward or close to the groove for communication of the second heat exchange part is greater than or equal to 1.5 mm.
  • the connecting member 45 includes a main body portion 4510 and an extension portion 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 cooperating, fixing or limiting.
  • 45 has a slot 455 on the side facing the second heat exchange part 30 , the slot 455 is a structure similar to a blind hole, the slot 455 extends from the extension part to the position of the sixth interface 56 , and the slot 455 communicates with the sixth interface 56 .
  • the connecting piece may further include a fixing piece 450 for fixing or limiting, and the fixing piece 450 can be fixed or limited and disposed in the fixing hole 409 .
  • the second heat exchange portion has a fourth channel 302 , a first channel 303 , and a second channel 304 toward the connector 40 .
  • the fourth interface 54 of the connector 40 corresponds to the first channel 303
  • the fifth interface 55 corresponds to the fourth channel 302 .
  • the sixth interface 56 communicates with the second hole 304 through the slot 455 correspondingly.
  • the throttling heat exchange assembly can facilitate the installation and connection of the thermal management system, reduce the number of connected pipes, and reduce the volume of the system.
  • the throttling heat exchange assembly is used in a vehicle thermal management system as an example for illustration. It should be noted that these components are relatively fixed in actual use. Flow pattern, this is just for the sake of clarity.
  • the vehicle thermal management system includes a refrigerant system and a battery thermal management system. Referring to FIG.
  • the battery thermal management system includes a first interface portion 101 for throttling heat exchange components, a second The interface part 102 and the part of the flow channel in the first heat exchange part that communicate with the first interface and the second interface, the heat of the battery can be transferred to the cooling liquid, and the first interface 51 or the second interface 52 flows through the first heat exchanger.
  • This part of the flow channel of the hot part exchanges heat with the refrigerant in the other flow channel in the first heat exchange part, and the cooling liquid is cooled and then returned to cool the battery.
  • the third interface 53 , the fourth interface 54 , the fifth interface 55 and the sixth interface 56 are respectively used to communicate with the refrigerant system.
  • the refrigerant cooled by the condenser enters the throttling heat exchange assembly through the third interface 53 or is The refrigerant of the accumulator enters the throttling heat exchange assembly through the third interface 53, so that the high temperature and high pressure refrigerant passes through the bridge and the second heat exchange part and the flow channel formed by the space where the diversion groove 264 is located to the second heat exchange part.
  • the third channel 301 goes to the fourth channel 302 after the second heat exchange part 30 exchanges heat with the refrigerant in another flow channel, and the refrigerant from the fourth channel 302 is divided into two parts: one part flows out through the connecting piece 45 and through the fifth interface 55 , if it leads to the front evaporator or other evaporator through the fifth interface 55, a throttling element can be provided in front of the evaporator, or the flow can be divided into two evaporators after throttling, or the flow can be divided, and the evaporator can be entered after throttling; the other part
  • the refrigerant enters the throttle element 110 through the hole 262 of the bridge, the matching part of the bridge and the first heat exchange part cooperates with the flow channel formed by the space where the third groove 263 is located, and the communication port 105 communicated with the throttle element enters the throttle element 110, After being throttled by the throttling element 110, it enters the second channel 104 of the first heat exchange part 10, and
  • the bridge 20 is also provided with a first mounting portion 207 for mounting the sensing element 250, such as a temperature sensing element, so that the sensing head 2501 for temperature sensing passes through the mounting portion and is located in the hole 266 and or the fourth groove 265 In this way, the temperature of the refrigerant after passing through the first heat exchange part or the outlet temperature of the evaporator can be obtained.
  • the sensing element 250 such as a temperature sensing element
  • the second heat exchange part can realize the heat exchange between the high-temperature refrigerant and some low-temperature refrigerants, reduce the temperature of the high-temperature refrigerant, and prevent the temperature of the refrigerant returning to the compressor from being too high, thereby improving the efficiency.
  • the throttling heat exchange assembly includes a first heat exchange part, a bridge and a second heat exchange part, the bridge is at least partially located between the first heat exchange part and the second heat exchange part, and the two heat exchange parts can be relatively conveniently realized through the bridge
  • Different system requirements can be realized by changing the structure of the bridge, so that the system pipeline is simple, the pipeline setting between the interfaces can be reduced, and the system connection is simple and convenient.
  • the refrigerant flow channel of the first heat exchange part of the above-mentioned assembly may be a single flow, that is, flow from the second channel 104 to the first channel 103, or it may be a three-flow channel, that is, the first heat exchange section is roughly divided into three parts horizontally, the first The flow flows from the lowermost part of the second channel 104 to the lowermost part of the first channel 103, then flows from the middle part of the first channel 103 to the middle part of the second channel 104, and then flows from the upper part of the second channel 104 to the upper part of the first channel 103, Therefore, only the flow out from the first channel 103 is described in the embodiment.
  • the thickness of the bridge refers to the thickness between the plane portions of the two mating portions of the bridge.
  • the flow direction in this paper is only for illustration, not as a limitation, nor is it a closed requirement, other components can be added to it, such as adding other control valves before the compressor, etc., such as leading to the evaporator, including setting throttling before the evaporator.
  • the second channel 104 of the first heat exchange part communicates with the outlet of the throttle element 110, but generally there is no opening when facing the bridge, the figure is only to illustrate the location of the channel.

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Abstract

一种节流换热组件，该节流换热组件包括第一换热部（10）、桥（20）、第二换热部（30）、节流元件（110）、传感元件（250），桥（20）至少部分位于第一换热部（10）与第二换热部（30）之间，桥（20）包括两个朝向第一换热部（10）用于连通的孔和或槽，桥（20）包括至少两个能与第二换热部（30）连通的孔或槽，桥（20）还设置有第一安装部（207），传感元件（250）配合安装于第一安装部（207），传感元件（250）的传感头（2501）位于桥（20）的内部空间，传感头（2501）所在的空间为从第一换热部（10）的一个孔道（103）到第二换热部（30）的孔道（303）的流道或是流道的部分，这样传感元件（250）可以方便感应或检测流经的流体如冷媒的参数，且通过桥（20）可以相对方便地实现两个换热部之间流体的连通，不同的系统需求时可通过改变桥（20）的结构实现，使系统管路简单，接口之间能减少管路的设置，且系统连接简单方便。

Description

一种节流换热组件
本申请要求于2020年07月25日提交中国专利局、申请号为202010726730.5、发明名称为“一种换热组件及一种车辆热管理系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及流体控制领域，具体涉及一种节流换热组件。
背景技术
有的热管理系统包括不少于两个换热器，如板式蒸发器，另外还包括节流元件，这些零部件通过管路连接并与系统的其他部件连接并固定，由于系统中零部件较多，系统的管路连接也相对复杂。
发明内容
为提供一种在系统连接时连接相对简单的节流换热组件，本发明提供以下技术方案：
一种节流换热组件，所述节流换热组件包括第一换热部、桥、第二换热部、节流元件，所述桥至少部分位于所述第一换热部与所述第二换热部之间，所述第一换热部、桥、第二换热部通过焊接固定；所述第一换热部具有换热芯体，所述第一换热部包括至少两个流体流道，两个流体流道之间不连通；所述节流元件与所述第一换热部固定设置或限位设置，或者所述节流元件与所述桥固定设置或限位设置；
所述节流换热组件包括第一接口、第二接口、第三接口；所述第一换热部包括第一接口部、第二接口部；所述第一接口部具有所述第一接口、所述第二接口部具有所述第二接口；所述桥包括两个朝向或靠近所述第一换热部的用于连通的孔或槽；所述桥包括至少两个能与所述第二换热部连通的孔和或槽，所述桥的能与所述第二换热部连通的孔和或槽的口部朝向或靠近所述第二换热部；所述桥还设置有安装部，所述节流换热组件包括传感元件，所述传感元件配合安装于所述安装部，所述传感元件的传感头穿过所述安装部，所述传感头位于所述桥的一个孔和或槽，所述传感头所在的孔和或槽为从所述第一换热部的一个孔道到所述第二换热部的一个孔 道的流道或流道的部分。
本文中的通过流道连通包括通过单个零部件具有的流道连通，也包括两个或更多个部件结合形成的流道连通。用于连通的孔和或槽包括多种情况：用于连通的孔、用于连通的槽、孔和槽结合、孔与孔结合、槽和槽结合及更多的结合；与第二换热部连通的孔和或槽也是同样可能是孔与第二换热部连通、槽与第二换热部连通或孔和槽等结合与第二换热部连通；与第三接口连通的孔和或槽也同样如此。连通也包括直接连通与间接连通的情况。桥包括两个朝向或靠近第一换热部的用于连通的孔或槽，桥包括至少两个能与所述第二换热部连通的孔和或槽，朝向或靠近第一换热部的用于连通的孔或槽不排除也能用于与所述第二换热部连通，如果是通孔形式，即可同时朝向第一换热部，也可朝向第二换热部并与第二换热部连通。两者通过管路或什么连通在本文中并不是封闭的描述，指的是这两者是连通的，也包括两者之间还具有其他部件如节流元件、分离器、控制阀、单向阀、换热器等等多种可能。
通过桥的设置可以相对方便地实现两个换热部之间流体的连通，不同的系统需求可通过改变桥的结构实现，使系统管路简单，接口之间能减少管路的设置，且系统连接简单方便，通过在桥上设置安装部安装传感元件，并使传感头位于第一换热部到第二换热部的流道，这样传感元件可以方便感应或检测流经的流体如冷媒的相关参数。
附图说明
图1与图2为本发明提供的节流换热组件的第一实施例的两个方向的立体示意图；
图3为图1所示节流换热组件的主视方向的示意图；
图4为图3所示组件的A-A方向剖视的示意图；
图5为该组件的爆炸示意图；
图6为该组件的桥的立体示意图；
图7为图6所示桥的主视图及B-B方向与C-C方向剖视的示意图；
图8、图9为该组件的连接件的两个方向的立体示意图；
图10、图11为上述组件的桥的另一实施方式的立体示意图；
图12与图13为节流换热组件的第二实施例的两个方向的立体示意图；
图14为图12所示节流换热组件的爆炸示意图；
图15为图12所示节流换热组件的桥的两个方向的立体示意图；
图16为图15所示桥的主视示意图；
图17为图12所示节流换热组件的连接件的爆炸示意图；
图18与图19为节流换热组件的第三实施例的两个方向的立体示意图；
图20为图18、图19所示节流换热组件的桥的示意图；
图21为图18、图19所示节流换热组件的爆炸示意图；
图22为图18、图19所示节流换热组件连接件的立体示意图；
图23、图24为图22所示连接件的连接块的正、反两个方向的示意图；
图25为节流换热组件的第四实施例的立体示意图；
图26为图25所示节流换热组件的爆炸示意图；
图27为图25所示节流换热组件的桥的立体示意图；
图28为图27所示桥的主视图及E-E方向与D-D方向剖视的示意图；
图29为节流换热组件的第五实施例的立体示意图；
图30为图29所示节流换热组件的爆炸示意图；
图31为图29所示节流换热组件的桥的示意图；
图32为图31所示桥的另一方向的示意图及G-G方向与F-F方向剖视的示意图；
图33为节流换热组件的第六实施例的立体示意图；
图34为图33所示节流换热组件的爆炸示意图；
图35为图33所示节流换热组件的桥的两个方向的立体示意图；
图36为图35所示桥的主视及后视的示意图；
图37为图33所示节流换热组件的连接件的两个方向的立体示意图。
具体实施方式
下面结合具体实施方式对技术方案进行说明，参图1-图9所示，图1与图2为本发明提供的节流换热组件的第一实施例的两个方向的立体示意图，图3为该节流换热组件的主视方向的示意图，图4为图3所示组件的A-A方向剖视的示意图，图5为该组件的爆炸示意图，图6为该组件的桥 的立体示意图，图7为图6所示桥的主视图及B-B方向与C-C方向剖视的示意图，图8、图9为该组件的连接件的两个方向的立体示意图。如图，节流换热组件包括第一换热部10、节流元件110、桥20、第二换热部30、连接件40。桥20位于第一换热部10与第二换热部30之间，连接件40位于第二换热部30的另一侧，即桥20与连接件40分设于第二换热部的两侧，第一换热部10、桥20、第二换热部30通过焊接固定，或者第一换热部10、桥20、第二换热部30、连接件通过焊接固定。
第一换热部10具有换热芯体，第一换热部10具有两个供流体流经换热的流道，两种流体流道之间相隔开，第一换热部10包括通过板片层叠相隔开的层间流道，第一换热部10能够流经至少两种流体，这两种流体能够在第一换热部进行热交换，如一种流体为冷媒，另一种可以为冷却液，如用于对电池等发热元件冷却；另外还可以是用于三种流体，如一种流体为冷媒，另两种可以为冷却液，两种冷却液可以经控制选择与冷媒进行换热，然后冷却液经换热降温后，能用于冷却需要冷却的部件，下面以两种流体为例进行说明。
节流换热组件具有第一接口51、第二接口52、第三接口53、第四接口54、第五接口55、第六接口56、第七接口57。本实施例中第一换热部设置有第一接口51、第二接口52，桥20设置有第三接口53，连接件40设置有第四接口54、第五接口55、第六接口56、第七接口57。节流元件110与第一换热部10固定设置或限位设置，其中第一换热部10具有4个孔道如第一孔道103、第二孔道104(图中未全部示出)，第一换热部10在孔道104还设置有具有连通口105的管，连通口105与节流元件110连通。第一换热部10包括第一接口部101、第二接口部102，第一接口部101具有用于与冷却液连通的第一接口51，第二接口部102具有用于与冷却液连通的第一接口52，第一接口51与第二接口52通过换热芯体的流道连通，第一接口部101、第二接口部102可以是第一换热部10的边板的一部分，也可以是单独加工并经焊接与第一换热部10的边板和/或换热芯体固定，第一接口部、第二接口部还可以是以管接件方式与第一换热部固定在一起。
桥20具有第一配合部200及第二配合部200’，相应地，第一换热部10具有配合部100，配合部100与桥20的第一配合部200对应配合，第二 换热部30具有配合部300，配合部300与桥20的第二配合部200’对应配合；第一换热部10的配合部100、第二换热部30的配合部300与桥20的两个配合部均包括平面部，桥20在第一配合部200这一侧设置的用于连通的孔或槽或导通部的口部均位于第一配合部200的内部且每一用于连通的口部的四周均被所述第一配合部200围绕，且第一换热部10在与桥20的每一用于连通的口部位置相对应的位置具有对应的连通的口部，且第一换热部10每一连通的口部位于其配合部100的内部且每一用于连通的口部均被所述配合部100围绕；这样，第一换热部10的配合部100与桥20的第一配合部200在两者焊接密封后，桥20的用于连通的口部能与第一换热部10对应的用于连通的口部连通，或者说两者在每一用于连通的口部的四周包括所述配合部的一部分，两者在相对设置的配合部均形成大致封闭的结构；第二换热部30的配合部300与桥的第二配合部200’位置相对应，在两者焊接密封后，桥20在该侧的用于连通的口部均与第二换热部30的用于连通的口部连通，具体地，第二换热部30在与桥20相对侧具有三个孔道的口部：第三孔道301、第四孔道302、第一孔道303的口部，桥20在与第二换热部30的相对侧即第二配合部200’具有导流孔202的口部、第一槽203的口部及导流部204的孔2041的口部，第二换热部30的第三孔道301的口部与导流孔202的口部位置相对应，第四孔道302的口部与第一槽203的口部的位置相对应，第一孔道303的口部与导流部204的孔2041的口部的位置相对应，孔2041的口部大致呈上下延伸设置，第一槽203的口部大致呈上下延伸设置。
本文的上下等方位词是为说明清楚，不应视作限制，相应地这里与高度方向对应。本文中孔包括但不限于通孔与盲孔，孔的形状可以是圆形，也可以是非圆形；槽一般针对不贯穿的情况，槽也包括大多数不贯穿但局部贯穿的情况。
桥20还包括第三接口部211，在第三接口部211具有第三接口53，第三接口部211包括向外凸出的结构，第三接口部211可以是桥20的主体一体的结构，也可以是单独加工并经焊接与桥20的主体固定的结构。另外桥20设置有通孔206，第一槽203为类似盲孔并呈上下延伸的结构，第一槽203的相对靠近第三接口部211侧设置有通孔206；桥20在第一配合部200 所在一侧设置有第二槽205，第二槽205为类似盲孔并呈上下延伸的结构，通孔206位于第二槽205的相对远离第三接口部211侧；第一槽203与第二槽205通过通孔206连通，或者说第一槽203延伸的一端为通孔206或通孔206的一部分，第二槽205延伸的一端为通孔206或通孔206的一部分，如图7。导流孔202为类似盲孔，导流孔202的口部在第二配合部一侧，导流孔202与第三接口53连通，导流孔202的深度大于或等于所述桥20的厚度的二分之一，或者导流孔202的深度接近桥20的厚度的二分之一，如大于等于桥20的厚度的三分之一小于桥20的厚度的三分之二；导流部204包括孔2042与槽2042，孔2042为类似通孔，槽2042为类似盲孔，槽2042的口部设置在第一配合部200所在一侧。本文中定义桥20朝向第一换热部10侧为正面，桥20朝向第二换热部30侧为背面，在本例中桥20设置第一槽203侧为背面，设置第二槽205侧为正面，定义桥20设置第一槽203侧为背面，设置第二槽205侧为正面，第一槽203向正面的投影至少部分位于导通部的槽2042，导流孔202向正面的投影至少部分位于第二槽205，即导流孔202与第二槽205至少部分相背且不直接连通，第一槽203与槽2042至少部分相背且不直接连通。
连接件40包括主体部4010及延伸部4011，连接件40设置有第四接口54、第五接口55、第六接口56、第七接口57，另外还设置有固定孔409，用于配合固定或限位，连接件40在朝向第二换热部30的一侧具有槽405，槽405为类似盲孔的结构，在槽405相对靠近第四接口54处设置有第七接口57，在槽405大致中部位置设置有第五接口55，第五接口55与槽405连通，第七接口57与槽405连通。连接件40还可以包括固定件450，用于固定或限位，固定件450能固定或限位设置于固定孔409。
节流换热组件能使热管理系统安装连接方便，减少连接的管路，并且减小系统的体积。以该节流换热组件用于一种车辆热管理系统为例进行说明，需要说明的是，在实际使用时这些部件是固定的，为了说明清楚，在该爆炸图中示出了冷媒的流动方式，这只是为了标示清楚以便说明。在一种具体的车辆热管理系统中，车辆热管理系统包括冷媒系统与电池热管理系统，参图5及其他视图，电池热管理系统包括节流换热组件的第一接口部101、第二接口部102，及第一换热部10中与第一接口51、第二接口52 相连通的流道部分，电池的热量能传递给冷却液，经第一接口51或第二接口52流经第一换热部10的该部分流道，在第一换热部10与另一流道的冷媒进行热交换，冷却液经降温后再返回以冷却电池。而第三接口53、第四接口54、第五接口55、第六接口56、第七接口57则分别用于与冷媒系统连通，如经冷凝器冷却的冷媒经第三接口53进入节流换热组件，或者是经储液器的冷媒经第三接口53进入节流换热组件，这样高温高压的冷媒经导流孔202到第二换热部30的第三孔道301，在第二换热部30与另一流道的冷媒换热后到第四孔道302，到第四孔道302的冷媒分成两部分：一部分经连接件40与第二换热部30配合形成的由槽405所在的空间形成的流道、经第五接口55、第七接口57流出，如经第五接口55通向前蒸发器、经第七接口57通向后蒸发器，或经第五接口55通向后蒸发器、经第七接口57通向前蒸发器，在前蒸发器或后蒸发器前还可以设置节流元件110；另一部分冷媒经桥与第二换热部30的配合部配合由第一槽203所在的空间形成的流道、经通孔206、经桥20与第一换热部的配合部100配合的由第二槽205所在的空间形成的流道、与节流元件110相连通的连通口进入节流元件110，经节流元件110节流后进入第一换热部10的孔道，并在第一换热部10的冷媒流道与冷却液流道的冷却液进行热交换，到达第一孔道103，并经桥20、第一换热部10、第二换热部30配合的由导流部204形成的流道，到第二换热部30的第一孔道303，并经与第一孔道303连通的第四接口54流出，如返回压缩机；另外，第六接口56可以用于连通从前蒸发器和/或后蒸发器流回的冷媒，这部分低温冷媒经第二换热部30的第二孔道304流向第一孔道303，与从第三孔道301流向第四孔道302的高温冷媒进行热交换，在第一孔道303，两部分冷媒汇流后经第四接口54可流回压缩机，这样部分低温冷媒用于冷却高温冷媒，可以降低冷媒的冷凝温度，又不会使回压缩机的冷媒温度较高。本文中的流向只是为说明，而不能作为限制，也不是封闭的要求，可以在其中增加其他部件如在压缩机前增加其他控制阀件等。在桥20，还设置有第一安装部207，用于传感元件250的安装，如感温元件，使感温用的传感头2501穿过第一安装部207而位于导流部204所在的流道，这样可以得到经第一换热部10后的冷媒的温度或者说蒸发器的出口温度。
该节流换热组件可以实现高温冷媒与部分低温冷媒的换热，降低高温冷媒的温度，又不会使冷媒回压缩机的温度过高，从而提高效率，并且接口之间可以减少管路的设置，系统连接简单方便。另外，为了进一步减轻重量，桥20还可以如图10、图11所示，该桥20是对上面实施方式的改进，在桥20的中部还去掉了一块形成孔2032，孔2032的形状可以是非标准的，可根据配合焊接的需要去除，该孔为通孔，通孔2032距离所述桥20的朝向第一换热部10的用于连通的第二槽205的距离大于等于1.5mm，通孔2032距离桥20的朝向第一换热部10的用于连通的导通部204的距离大于等于1.5mm；通孔2032距离桥的朝向第二换热部30的用于连通的孔202’的距离大于等于1.5mm，孔202’为导流孔，通孔2032距离桥20的朝向第二换热部30的用于连通的第一槽203的距离大于等于1.5mm，通孔2032距离桥20的朝向第二换热部30的用于连通的孔2041的距离大于等于1.5mm，或者说这个距离是桥20分别用于与第一换热部10及第二换热部30的配合用于焊接的配合部的距离。但减重用孔并不一定要通孔，如桥20的两边分别向内凹两边分别形成盲孔或槽都能减轻重量并有助于焊接，只是通孔更适于加工。另外在一侧去掉了一块形成凹部即缺口2031，这样桥20的用于与第一换热部10配合的第一配合部200的面积可以减小，同样与第二换热部30配合的第二配合部200’的面积可以减小，这样配合焊接的面积可以减小，有助于提高焊接质量，同时还可以减轻重量。在孔2042与槽2042交汇处，桥20具有第一壁部215及第二壁部216，第一壁部215的朝向导流部的表面形成平滑过渡的第一壁面2045，第二壁部216的朝向导流部的表面形成平滑过渡的第二壁面2046，这样经桥20、第一换热部10、第二换热部30配合的由导流部204’形成的流道，冷媒在转弯时因平滑过渡部的设置可以减小冷媒的流动阻力。非圆形的导流孔202’略呈横向延伸状态，这样配合流通时更加方便。
下面介绍节流换热组件的第二实施例，参图12-图17，图12与图13为该节流换热组件的两个方向的立体示意图，图14该节流换热组件的爆炸示意图，图15该节流换热组件的桥的两个方向的立体示意图，图16为图15所示桥的主视示意图，图17为图12所示节流换热组件的连接件的爆炸示意图。节流换热组件包括第一换热部10、桥20、第二换热部30、连接 件。节流换热组件具有第一接口51、第二接口52、第三接口53、第四接口54、第五接口55、第六接口56、第七接口57、第八接口58。桥20设置有第三接口部211。节流元件110与第一换热部10固定设置或限位设置，其中第一换热部10具有4个孔道如第一孔道103、第二孔道104(图中未全部示出)，第一换热部10包括第一接口部101、第二接口部102，第一接口部101具有用于与冷却液连通的第一接口51，第二接口部102具有用于与冷却液连通的第一接口52，第一接口51与第二接口52通过换热芯体的流道连通，第一接口部101、第二接口部102可以是第一换热部10的边板的一部分，也可以是单独加工并经焊接与第一换热部10的边板和/或换热芯体固定。
桥20具有第一配合部200，第一换热部10具有与桥20的第一配合部200配合的配合部100，第一配合部200与第一换热部10的配合部100相对并配合，第一换热部10的配合部100与桥20的第一配合部200均包括平面部，桥20在第一配合部200这一侧设置的用于连通的孔或槽或导通部的口部位于第一配合部200的内部且每一用于连通的口部的四周均被所述第一配合部200围绕，第一换热部10在与桥20的每一连通的口部位置相对应的位置具有对应的连通的口部，且每一连通的口部位于其配合部的内部且每一用于连通的口部均被所述配合部围绕；或者说，两者在相对设置的配合部均包括大致封闭的结构；这样，第一换热部10的配合部100与桥20的第一配合部200在两者焊接密封后，桥20的用于连通的口部与第一换热部10对应的用于连通的口部连通，具体地，第一换热部10在与桥20相对侧具有第一孔道103的口部及与节流元件相连通的管道的连通口105，第一换热部10在与桥20相对侧具有第一孔道103的口部及与节流元件相连通的连通口105，桥20在与第一换热部10的相对侧具有对应的孔223与孔224，孔223的口部与第一换热部10的孔道103的口部位置相对应，孔224的口部与节流元件相连通的连通的连通口105相对应；孔223与孔224为通孔。
桥20具有第二配合部200’，第二配合部200’朝向第二换热部30，第二换热部30具有配合部300，第二换热部30的配合部300与桥20的第二配合部200’均包括平面部，桥20在第二配合部(200’)这一侧设置的 用于连通的孔或槽或导通部的口部位于第二配合部200’的内部且每一用于连通的口部的四周均被所述第二配合部200’围绕，第二换热部30在与桥20的每一用于连通的口部位置相对应的位置具有相对应的连通的口部，且每一连通的口部位于其配合部的内部且每一用于连通的口部的四周均被所述配合部围绕；或者说每一用于连通的口部的四周包括所述配合部的一部分，两者在相对设置的配合部均形成大致封闭的结构；第二换热部30的配合部300与桥的第二配合部200’位置相对应，在两者焊接密封后，桥20在该侧的用于连通的口部能与第二换热部30的用于连通的口部连通，具体地，第二换热部30在与桥20相对侧具有三个孔道的口部：第三孔道301、第四孔道302、第一孔道303的口部，桥20在与第二换热部30的相对侧即第二配合部具有导流孔202的口部、孔223的口部及孔224的口部，第二换热部30的第三孔道301的口部与导流孔202的口部位置相对应，第四孔道302的口部与孔224的口部的位置相对应，第一孔道303的口部与孔223的口部的位置相对应。桥20还包括第三接口部211，在第三接口部211具有第三接口53，第三接口部211包括向外凸出的结构，第三接口部211可以是桥20的主体一体的结构，也可以是单独加工并经焊接与桥20的主体固定的结构。桥20设置有4个孔2032，孔2032为非圆形的通孔，也可以是圆形。导流孔202为类似盲孔，导流孔202的口部设置在第二配合部所在一侧，导流孔202与第三接口53连通。桥20还包括凸部217与第二凸部218，凸部217沿主体部大致横向凸出设置，第二凸部218大致从主体部的一角向外凸出设置，凸部217的第一侧面2171低于桥20的第二配合部200’，凸部217的第二侧面2172低于桥的第一配合部200；同样第二凸部218的两侧面也相应低于桥20两侧对应一侧的配合部；或者说凸部217的厚度小于桥主体部的厚度，第二凸部218的厚度小于桥主体部的厚度。设置凸部217与第二凸部218，可以减小桥20的主体部，使固定孔221至少部分可以设置于凸部217和/或第二凸部218，且可以使第三接口部211的至少部分位于第二凸部218，从而减小其主体部。
连接件包括连接块411、连接板412、第一接管配合部4131、第二接管配合部4132、第三接管配合部4133，连接块411、连接板412、第一接管配合部4131、第二接管配合部4132、第三接管配合部4133能通过焊接 固定；连接块411的厚度大于连接板412的厚度。第一接管配合部4131设置有第四接口54，第二接管配合部4132设置有第七接口57、第八接口58，第三接管配合部4133设置有第五接口55、第六接口56。连接件的三个接管配合部还设置有固定孔409，用于与固定件450配合固定或限位。连接板412位于连接块411与三个接管配合部之间，连接块411相对靠近第二换热部30，或者说连接块411贴近第二换热部30并通过焊接固定。连接块411具有三个通孔：通孔4111、通孔4112、通孔4113，通孔4111与通孔4112为非圆形，可以呈倾斜设置，也可以呈弧形设置，形状不作要求，只要其两端的位置能导通相应的流道，通孔4113为圆形；通孔4111、通孔4112的一侧与通孔4113位于连接块411相对靠近长度方向的一侧。连接板412具有五个通孔：4121、4122、4123、4124、4125，通孔4121、通孔4125的位置与通孔4111对应，即通孔4121、通孔4125均能与通孔4111连通；通孔4122、通孔4124的位置分别与通孔4112对应，即通孔4122、通孔4124均能与通孔4112连通，通孔4123的位置与通孔4113对应；第四接口54的位置与通孔4121对应，第四接口54能够与通孔4121连通即与连接块411的通孔4111连通；第八接口58的位置与通孔4125对应，第八接口58能够与通孔4125连通即与连接块411的通孔4111连通；第七接口57的位置与通孔4124对应，第七接口57能够与通孔4124连通即与连接块411的通孔4112连通；第五接口55的位置与通孔4122对应，第五接口55能够与通孔4122连通即与连接块411的通孔4112连通；第六接口56的位置与通孔4123对应，第六接口56能够与通孔4123连通即与连接块411的通孔4113连通。这一实施方式中，连接件可以采用型材或冲压件加工并经组装形成，可以减少机械加工步骤。
节流换热组件能使热管理系统安装连接方便，减少连接的管路及连接接口，并且减小系统的体积。以该节流换热组件用于一种车辆热管理系统为例进行说明，需要说明的是，在实际使用时这些部件是固定的，为了说明清楚，在该爆炸图中示出了冷媒的流动方式，这只是为了标示清楚以便说明，参图14及其他视图。以一种车辆热管理系统为例，车辆热管理系统包括冷媒系统与电池热管理系统，电池热管理系统包括节流换热组件的第一接口部101、第二接口部102，及第一换热部10与第一接口51、第二接 口52相连通的流道部分，电池的热量能传递给冷却液，经第一接口51或第二接口52流经第一换热部10的该部分流道，在第一换热部10与另一流道的冷媒进行热交换，冷却液经降温后再返回以冷却电池。而第三接口53、第四接口54、第五接口55、第六接口56、第七接口57、第八接口58则分别用于与冷媒系统连通，如经冷凝器冷却的冷媒经第三接口53进入节流换热组件，或者是经储液器的冷媒经第三接口53进入节流换热组件，这样高温高压的冷媒经导流孔202到第二换热部30的第三孔道301，在第二换热部30与另一流道的冷媒换热后到第四孔道302，到第四孔道302的冷媒分成两部分：一部分经连接件与第二换热部30形成的流道如连接块411的通孔4112、连接板的通孔4124到第七接口57，及经连接件的连接块411的通孔4112、连接板的通孔4122到第五接口55，经第五接口55、第七接口57流出，如经第五接口55通向前蒸发器、经第七接口57通向后蒸发器，或经第五接口55通向后蒸发器、经第七接口57通向前蒸发器，在前蒸发器或后蒸发器前还可以设置节流元件110；另一部分冷媒经桥20的通孔224，经与节流元件110相连通的管道连通口105进入节流元件110，桥20与第二孔道104之间不连通，节流元件110节流后进入第一换热部10的第二孔道104，并在第一换热部10的冷媒流道与冷却液流道的冷却液进行热交换，到达第一孔道103，并经桥20的通孔223到第二换热部30的第一孔道303，经与第一孔道303连通的连接块的通孔411、连接板的通孔4121、及第四接口54流出，如返回压缩机；另外，第六接口56可以用于连通从前蒸发器和或后蒸发器流回的冷媒，这部分低温冷媒经连接板的通孔4123、连接块的通孔4113到第二换热部的第二孔道304，再流向第一孔道303，与从第三孔道301流向第四孔道302的高温冷媒进行热交换，在第一孔道303，两部分冷媒汇流后经第四接口可流回压缩机；第八接口58可以用于连通从后蒸发器和或前蒸发器流回的冷媒，这部分低温冷媒经连接板的通孔4125、连接块的通孔4111，与其余冷媒汇合经第四接口可返回压缩机。本文中的流向只是为说明，而不能作为限制，也不是封闭的要求，可以在其中增加其他部件如在压缩机前增加其他控制阀件等。桥20设置有第一安装部207，用于传感元件250的安装，如感温元件，第一安装部207的孔能连通通孔223，使感温用的传感头2501穿过安装部而位于通孔223 所在的流道，这样可以得到经第一换热部10后的冷媒的温度或者说蒸发器的出口温度。
下面介绍节流换热组件的第三实施例，参图18-图24，图18与图19为该节流换热组件两个方向的立体示意图，图20为该方案的桥的示意图，图21为该节流换热组件的爆炸示意图，图22为该节流换热组件连接件的立体示意图，图23、图24为图22所示连接件的连接块的正、反两个方向示意图。
节流换热组件包括第一换热部10、桥20、第二换热部30、连接件。节流换热组件具有第一接口51、第二接口52、第三接口53、第四接口54、第五接口55、第六接口56、第七接口57、第八接口58。节流元件110与第一换热部10固定设置或限位设置，其中第一换热部10具有4个孔道如第一孔道103、第二孔道104(其余2个图中未示出)，第一换热部10包括第一接口部101、第二接口部102，第一接口部101具有用于与冷却液连通的第一接口51，第二接口部102具有用于与冷却液连通的第一接口52，第一接口51与第二接口52通过换热芯体的流道连通，第一接口部101、第二接口部102可以是第一换热部10的边板的一部分，也可以是单独加工并经焊接与第一换热部10的边板和或换热芯体固定。
桥20具有第一配合部200及第二配合部200’，相应地，第一配合部200与第一换热部10的配合部100相对并配合，第二配合部200’与第二换热部30的配合部300相对并配合，第一换热部10的配合部100、第二换热部30的配合部300与桥的两个配合部均包括平面部，桥20包括通孔223与通孔222，通孔222大致呈横向延伸；桥20还包括第一安装部207，第一安装部207的孔与通孔222连通，或者说安装部设置在靠近通孔222一侧。通孔223与通孔222靠近第一换热部10侧的口部位于第一配合部200的内部且四周被所述第一配合部200围绕，或者说通孔223与通孔222的口部的四周具有用于配合焊接密封的平面部；在另一侧，通孔223与通孔222的口部位于第二配合部200’的内部且四周被所述第二配合部200’围绕，或者说通孔223与通孔222的口部的四周具有用于配合焊接密封的平面部；这样，第一换热部10的配合部100与桥的第一配合部200在两者焊接密封后，桥20的两个通孔的口部与第一换热部10对应的用于连通的 口部连通，具体地，桥20的通孔223与连通口105对应并连通，连通口105与节流元件110相连通，通孔222与第一换热部10的第一孔道103对应并连通；桥20的两个通孔的口部与第二换热部30对应的用于连通的口部连通，桥20的通孔223与第二换热部30的第四孔道302对应并连通，通孔222与第二换热部30的第一孔道303对应并连通。
桥20还包括两个通孔2032，这里通孔2032的设置可以减轻桥的重量，并可以使桥20的两个配合部的平面部的面积减小，使桥20与第一换热部10、第二换热部30的配合的部位减小，这样相对可以控制接触焊接的范围，可以提高相应的焊接质量。这一方案中桥20的制造相对简单，如可以采用型材，型材上可以带有相应的4个通孔，通过下料、加工安装部及两侧的两个配合部等制造而成，加工步骤相对可以减少。
连接件包括连接块421与接口配合件423，连接块421与接口配合件423可通过焊接固定也可以通过固定件、密封件密封连接。连接件设置有第三接口53、第四接口54、第五接口55、第六接口56、第七接口57、第八接口58。连接块包括第三接口部4213、第四接口部4214、第五接口部4215、第六接口部4216，第三接口部4213、第四接口部4214、第五接口部4215、第六接口部4216可以是连接块的板体部分一体的结构，也可以是单独加工并经焊接与连接块的板体部分固定的结构。连接块还设置有通孔4217、通孔4218，另外还设置有固定孔429，用于配合固定或限位，连接件在朝向第二换热部30的一侧具有槽4211、槽4212，槽为类似盲孔的结构，连接块在槽4211的相对两侧分别设置有第四接口54与通孔4218，第四接口54、通孔4218与槽4211连通；连接块在槽4212分别设置有第五接口55与通孔4217，第五接口55、通孔4217与槽4212连通。第六接口56与第二换热部30的第二孔道304连通，第五接口55与第二换热部30的第四孔道302连通，第三接口53与第二换热部30的第三孔道301连通,第四接口54与第二换热部30的第一孔道303连通。接口配合件423设置有第七接口57与第八接口58，第七接口57与连接块的通孔4217对应并连通，第八接口58与连接块的通孔4218对应并连通。
为了标示使用时冷媒的流动方式，在图21的爆炸图中进行了示意，这只是为了说明，实际使用时几个部件是固定设置的。在一种具体的车辆热 管理系统中，车辆热管理系统包括冷媒系统与电池热管理系统，参图21及其他视图，电池热管理系统包括节流换热组件的第一接口部101、第二接口部102，及第一换热部10中与第一接口、第二接口相连通的流道部分，电池的热量能传递给冷却液，经第一接口51或第二接口52流经第一换热部的该部分流道，在第一换热部10与另一流道的冷媒进行热换，冷却液经降温后再返回以冷却电池。而第三接口53、第四接口54、第五接口55、第六接口56、第七接口57、第八接口58则分别用于与冷媒系统连通，如经冷凝器冷却的冷媒经第三接口53进入节流换热组件，或者是经储液器的冷媒经第三接口53进入节流换热组件，这样高温高压的冷媒连接件到第二换热部30的第三孔道301，在第二换热部30与另一流道的冷媒换热后到第四孔道302，到第四孔道302的冷媒分成两部分：一部分经连接件与第二换热部30配合形成的由槽4212所在的空间形成的流道、经第五接口55、第七接口57流出，如经第五接口55通向前蒸发器、经第七接口57通向后蒸发器，或经第五接口55通向后蒸发器、经第七接口57通向前蒸发器，在前蒸发器或后蒸发器前还可以设置节流元件；另一部分冷媒经桥20的与第二换热部30的第四孔道302连通的孔223、与节流元件110相连通的连通口105进入节流元件110，节流元件110节流后进入第一换热部10的第二孔道104，并在第一换热部10的冷媒流道与冷却液流道的冷却液进行热交换，到达第一孔道103，并经桥20、第一换热部10、第二换热部30配合的由通孔222形成的流道，到第二换热部30的第一孔道303，并经与第一孔道303连通的第四接口54流出，如返回压缩机；另外，第六接口56可以用于连通从前蒸发器或后蒸发器流回的冷媒，这部分低温冷媒经第二换热部的第二孔道304流向第一孔道303，与从第三孔道301流向第四孔道302的高温冷媒进行热交换，在第一孔道303，与其余冷媒汇流后经第四接口可流回压缩机。另外，第八接口58可以用于连通从后蒸发器或前蒸发器流回的冷媒，这部分低温冷媒经连接件与第二换热部30配合、结合槽4211形成的流道，流向第四接口54，三部分冷媒汇流后经第四接口54可流回压缩机本文中的流向只是为说明，而不能作为限制，也不是封闭的要求，可以在其中增加其他部件如在压缩机前增加其他控制阀件等。在桥20，还设置有第一安装部207，用于传感元件250的安装，如感温元件，使感 温用的传感头2501穿过安装部而位于通孔222所在的流道，这样可以得到经第一换热部后的冷媒的温度或者说蒸发器的出口温度。
这一方案中，几个冷媒连接口设置于连接件，这样在应用时连接更加方便，管路也集中于同一侧。
节流换热组件还可以如图25-图28所示，图25为节流换热组件的第四实施例的立体示意图，图26为该节流换热组件的爆炸示意图，图27该节流换热组件的桥的立体示意图，图28为图27所示桥的主视图及E-E方向与D-D方向剖视的示意图。
节流换热组件包括第一换热部10、节流元件110、桥20、第二换热部30、连接件。桥20大部分位于第一换热部10与第二换热部30之间，连接件40位于第二换热部30的另一侧，即桥20与连接件40分设于第二换热部的两侧，第一换热部10、桥20、第二换热部30通过焊接固定，或者第一换热部10、桥20、第二换热部30、连接件通过焊接固定。第一换热部10大于第二换热部30。
第一换热部10具有换热芯体，第一换热部10具有两个供流体流经换热的流道，两种流体流道之间相隔开，第一换热部10包括通过板片层叠相隔开的层间流道，第一换热部10能够流经至少两种流体，这两种流体能够在第一换热部10进行热交换，如一种流体为冷媒，另一种可以为冷却液，如用于对电池等发热元件冷却；另外还可以是用于三种流体，如一种流体为冷媒，另两种可以为冷却液，两种冷却液可以经控制选择与冷媒进行换热，然后冷却液经换热降温后，能用于冷却需要冷却的部件，下面以两种流体为例进行说明。
节流换热组件具有第一接口51、第二接口52、第三接口53、第四接口54、第五接口55、第六接口56。第一换热部10设置有第一接口部101、第二接口部102，桥20设置有第三接口部211，连接件40设置有第四接口54、第五接口55、第六接口56。节流元件110与桥20固定设置或限位设置。其中第一换热部10具有4个孔道如第一孔道103、第二孔道104(另外两个未示出)。第一换热部10包括第一接口部101、第二接口部102，第一接口部101具有用于与冷却液连通的第一接口51，第二接口部102具有用于与冷却液连通的第一接口52，第一接口51与第二接口52通过换热芯 体的流道连通，第一接口部101、第二接口部102可以是第一换热部10的边板的一部分，也可以是单独加工并经焊接与第一换热部10的边板和或换热芯体固定。
桥20具有第一配合部200及第二配合部200’，相应地，第一换热部10具有配合部100，配合部100与桥的第一配合部200对应配合，第二换热部30具有配合部300，配合部300与桥的第二配合部200’对应配合；第一换热部10的配合部100、第二换热部30的配合部300与桥的两个配合部均包括平面部，桥20在第一配合部200这一侧的用于连通的孔或槽或导通部的口部位于第一配合部200的内部且每一用于连通的口部的四周均被所述第一配合部200围绕，且第一换热部10在与桥20的每一用于连通的口部位置相对应的位置具有对应的连通的口部，且第一换热部10每一连通的口部位于其配合部的内部且每一用于连通的口部均被所述配合部围绕；这样，第一换热部10的配合部100与桥的第一配合部200在两者焊接密封后，桥20的用于连通的口部能与第一换热部10对应的用于连通的口部连通，或者说每一用于连通的口部的四周包括所述配合部的一部分，两者在相对设置的配合部均形成大致封闭的结构。第一换热部10在与桥20相对侧具有第一孔道103的口部及第二孔道104的口部，桥20在与第一换热部10的相对侧具有对应的孔2084及孔2091，孔2084的口部与第一换热部10的第一孔道103的口部位置相对应，孔2091的口部与第一换热部的第二孔道104的口部位置相对应。另外桥20在与第一换热部10的相对侧还具有槽2080，槽2080的一侧与孔2081连通，在槽2080的另一侧，还具有一个斜孔2082，斜孔2082的另一端连通到安装部209的孔，这样安装部209的孔通过斜孔2082、槽2080与孔2081连通。
第二换热部30的配合部300与桥20的第二配合部200’位置相对应，在两者焊接密封后，桥20在该侧的用于连通的口部与第二换热部30的用于连通的口部分别连通，具体地，第二换热部30在与桥20相对侧具有三个孔道的口部：第三孔道301、第四孔道302、第一孔道303的口部，桥20在与第二换热部30的相对侧即第二配合部具有导流孔202的口部、孔2081的口部及孔2084的口部，第二换热部30的第三孔道301的口部与导流孔202的口部位置相对应，第四孔道302的口部与孔2081的口部的位置 相对应，第一孔道303的口部与孔2084的口部的位置相对应。
桥20包括第三接口部211与第一安装部207及第二安装部209，在第三接口部211具有第三接口53，第三接口部211包括向外凸出的结构，第三接口部211可以是桥20的主体一体的结构，也可以是单独加工并经焊接与桥20的主体固定的结构。第一安装部207用于配合安装传感元件，第二安装部209用于配合安装节流元件。第一安装部207的孔与孔2084连通，感温元件感温用的传感头2501穿过第一安装部207而位于孔2084所在的流道，这样可以得到经第一换热部10后的冷媒的温度或者说蒸发器的出口温度。另外节流元件的安装方向还可以是其他方向，如使安装部从桥的侧部向桥内部延伸设置，节流元件的轴线与桥的长度方向大致平行。
另外桥20设置有三个通孔2032，以减小桥的重量并使配合焊接的平面部的面积可以减小，以提高焊接质量。桥20还设置有固定用的固定孔221。
连接件包括连接一部431与连接二部432，连接一部431包括第四接口4，连接二部432具有第五接口55与第六接口56，连接一部431具有与第二换热部30的第一孔道303对应配合的空间以实现从第一孔道303到第四接口的流路，具体可以如图的方式，另外也可以如接头方式固定于第一孔道303周围对应位置。连接二部432的第五接口55与第二换热部30的第四孔道302对应并配合，连接二部432的第六接口56与第二换热部30的第二孔道304对应并配合。连接件还可以包括固定件450，用于固定或限位，连接一部431与连接二部432可以具有固定孔，固定件450能固定或限位设置于固定孔409。
节流换热组件能使热管理系统安装连接方便，减少连接的管路，并且减小系统的体积。以该节流换热组件用于一种车辆热管理系统为例进行说明，需要说明的是，在实际使用时这些部件是固定的，为了说明清楚，在该爆炸图中示出了冷媒的流动方式，这只是为了标示清楚以便说明。在一种具体的车辆热管理系统中，车辆热管理系统包括冷媒系统与电池热管理系统，参图26及其他视图，电池热管理系统包括节流换热组件的第一接口部101、第二接口部102，及第一换热部10中与第一接口、第二接口相连通的流道部分，电池的热量能传递给冷却液，经第一接口51或第二接口 52流经第一换热部10的该部分流道，在第一换热部10与另一流道的冷媒进行热换，冷却液经降温后再返回以冷却电池。而第三接口53、第四接口54、第五接口55、第六接口56则分别用于与冷媒系统连通，如经冷凝器冷却的冷媒经第三接口53进入节流换热组件，或者是经储液器的冷媒经第三接口53进入节流换热组件，这样高温高压的冷媒经导流孔202到第二换热部的第三孔道301，在第二换热部30与另一流道的冷媒换热后到第四孔道302，到第四孔道302的冷媒分成两部分：一部分经连接二部432从第五接口55流出，如经第五接口55通向前蒸发器或其他蒸发器，在前蒸发器前还可以设置节流元件；另一部分冷媒经桥的孔2081、槽2080及斜孔2082，进入节流元件110，经节流元件110节流后经孔2091到第一换热部10的第二孔道104，并在第一换热部10的冷媒流道与冷却液流道的冷却液进行热交换，到达第一孔道103，并经桥的孔2084、第二换热部30的第一孔道303，并经与第一孔道303连通的第四接口流出，如返回压缩机；另外，第六接口56可以用于连通从前蒸发器或其他蒸发器流回的冷媒，这部分低温冷媒经第二换热部30的第二孔道304流向第一孔道303，与从第三孔道301流向第四孔道302的高温冷媒进行热交换，在第一孔道303，两部分冷媒汇流后经第四接口可流回压缩机，这样部分低温冷媒用于冷却高温冷媒，可以降低冷媒的冷凝温度，又不会使回压缩机的冷媒温度较高。本文中的流向只是为说明，而不能作为限制，也不是封闭的要求，可以在其中增加其他部件如在压缩机前增加其他控制阀件等。
节流换热组件还可以如图29-图32所示，图29为节流换热组件的第五实施例的立体示意图，图30为该节流换热组件的爆炸示意图，图31为该节流换热组件的桥的示意图，图32为图31所示桥的另一方向的示意图及G-G方向与F-F方向剖视的示意图。节流换热组件包括第一换热部10、节流元件110、桥20、第二换热部30、连接件。桥20大部分位于第一换热部10与第二换热部30之间，连接件位于第二换热部30的另一侧，即桥20与连接件分设于第二换热部30的两侧，第一换热部10、桥20、第二换热部30通过焊接固定，或者第一换热部10、桥20、第二换热部30、连接件通过焊接固定。第一换热部10大于第二换热部30。
第一换热部10具有换热芯体，第一换热部10至少包括两个供流体流 经换热的流道，两种流体流道之间相隔开，第一换热部10包括通过板片层叠相隔开的层间流道，第一换热部10能够流经至少两种流体，这两种流体能够在第一换热部进行热交换，如一种流体为冷媒，另一种可以为冷却液，如用于对电池等发热元件冷却或对车厢进行供冷；另外还可以是用于三种流体，如一种流体为冷媒，另两种可以为冷却液，两种冷却液可以经控制选择与冷媒进行换热，然后冷却液经换热降温后，能用于冷却需要冷却的部件，下面以两种流体为例进行说明。
节流换热组件具有第一接口51、第二接口52、第三接口53、第四接口54、第五接口55、第六接口56。第一换热部10设置有第一接口部101、第二接口部102，桥20设置有第三接口部211，连接件设置有第四接口54、第五接口55、第六接口56。节流元件110与桥20固定设置或限位设置。其中第一换热部10具有4个孔道如第一孔道103、第二孔道104(两个与冷却液连通的孔道未示出)。第一换热部10包括第一接口部101、第二接口部102，第一接口部101具有用于与冷却液连通的第一接口51，第二接口部102具有用于与冷却液连通的第一接口52，第一接口51与第二接口52通过换热芯体的流道连通，第一接口部101、第二接口部102可以是第一换热部10的边板的一部分，也可以是单独加工并经焊接与第一换热部10的边板和/或换热芯体固定，第一接口部101、第二接口部102还可以是以管接件方式与第一换热部10固定在一起。
桥20具有第一配合部200及第二配合部200’，相应地，第一换热部10具有配合部100，配合部100与桥20的第一配合部200对应配合，第二换热部30具有配合部300，配合部300与桥20的第二配合部200’对应配合；第一换热部10的配合部100、第二换热部30的配合部300与桥20的两个配合部均包括平面部，桥20在第一配合部200这一侧的用于连通的孔或槽或导通部的口部位于第一配合部200的内部且每一用于连通的口部的四周均被所述第一配合部200围绕，且第一换热部10在与桥20的每一用于连通的口部位置相对应的位置具有对应的连通的口部，且第一换热部10每一连通的口部位于其配合部的内部且每一用于连通的口部均被所述配合部围绕；这样，第一换热部10的配合部100与桥20的第一配合部200在两者焊接密封后，桥20的用于连通的口部能与第一换热部10对应的用于 连通的口部连通，或者说每一用于连通的口部的四周包括所述配合部的一部分，两者在相对设置的配合部均形成大致封闭的结构。第一换热部10在与桥20相对侧具有第一孔道103的口部及第二孔道104的口部，桥20在与第一换热部10的相对侧具有对应的孔2084及孔2091，孔2084的口部与第一换热部10的第一孔道103的口部位置相对应，孔2091的口部与第一换热部10的第二孔道104的口部位置相对应。另外桥20在与第一换热部10的相对侧还具有槽2080，槽2080与孔2081’连通，在槽的另一侧，还具有一个斜孔2082，斜孔2082的另一端连通到安装部209的孔，这样安装部209的孔通过斜孔2082、槽2080与孔2081’连通。
第二换热部30的配合部300与桥的第二配合部200’位置相对应，在两者焊接密封后，桥20在该侧的用于连通的口部与第二换热部30的用于连通的口部对应连通，具体地，第二换热部30在与桥20相对侧具有三个孔道的口部：第三孔道301、第四孔道302、第一孔道303的口部，桥20在与第二换热部30的相对侧具有导流孔202的口部、孔2081’的口部及孔2084的口部，第二换热部30的第三孔道301的口部与导流孔202的口部位置相对应，第四孔道302的口部与孔2081’的口部的位置相对应，第一孔道303的口部与孔2084的口部的位置相对应。
桥20包括第三接口部211与第一安装部207及第二安装部209，在第三接口部211具有第三接口53，第三接口部211包括向外凸出的结构，第三接口部211可以是桥20的主体一体的结构，也可以是单独加工并经焊接与桥20的主体固定的结构。第一安装部207用于配合安装传感元件250，第二安装部209用于配合安装节流元件110。第一安装部207的孔与孔2084连通，传感元件如感温元件，感温用的传感头2501穿过第一安装部207而位于孔2084所在的流道，这样可以得到经第一换热部10后的冷媒的温度或者说蒸发器的出口温度。
另外桥20设置有四个通孔2032，以减小桥20的重量并使配合焊接的平面部的面积可以减小，以提高焊接质量。桥20还设置有固定用的固定孔221。
连接件包括连接一部441与连接二部442，连接一部441包括第四接口54，连接二部442具有第五接口55与第六接口56，连接一部441具有 与第二换热部30的第一孔道303对应配合的空间以实现从第一孔道303到第四接口的流路，另外也可以如接头方式固定于第一孔道303周围对应位置。连接二部442的第五接口55与第二换热部30的第四孔道302对应并配合，连接二部442的第六接口56与第二换热部30的第二孔道304对应并配合。连接件还可以包括固定件450，用于固定或限位，连接一部441与连接二部442可以具有固定孔409，固定件450能固定或限位设置于固定孔409。
节流换热组件能使热管理系统安装连接方便，减少连接的管路，并且减小系统的体积。以该节流换热组件用于一种车辆热管理系统为例进行说明，需要说明的是，在实际使用时这些部件是固定的，为了说明清楚，在该爆炸图中示出了冷媒的流动方式，这只是为了标示清楚以便说明。在一种具体的车辆热管理系统中，车辆热管理系统包括冷媒系统与电池热管理系统，参图30及其他视图，电池热管理系统包括节流换热组件的第一接口部101、第二接口部102，及第一换热部10中与第一接口、第二接口相连通的流道部分，电池的热量能传递给冷却液，经第一接口51或第二接口52流经第一换热部10的该部分流道，在第一换热部10与另一流道的冷媒进行热换，冷却液经降温后再返回以冷却电池。而第三接口53、第四接口54、第五接口55、第六接口56用于冷媒系统的连通，如经冷凝器冷却的冷媒经第三接口53经桥20进入节流换热组件，或者是经储液器的冷媒经第三接口53进入节流换热组件，这样高温高压的冷媒经导流孔202到第二换热部30的第三孔道301，在第二换热部30与另一流道的冷媒换热后到第四孔道302，到第四孔道302的冷媒分成两部分：一部分经连接二部432从第五接口55流出，如经第五接口55通向前蒸发器或其他蒸发器，在前蒸发器前还可以设置节流元件110；另一部分冷媒经桥20的孔2081’、槽2080及斜孔2082，进入节流元件110，经节流元件110节流后经孔2091到第一换热部10的第二孔道104，并在第一换热部10的冷媒流道与冷却液流道的冷却液进行热交换，到达第一孔道103，并经桥20的孔2084、第二换热部30的第一孔道303，并经与第一孔道303连通的第四接口流出，如返回压缩机；另外，第六接口56可以用于连通从前蒸发器或其他蒸发器流回的冷媒，这部分低温冷媒经第二换热部的第二孔道304流向第一孔道 303，与从第三孔道301流向第四孔道302的高温冷媒进行热交换，在第一孔道303，两部分冷媒汇流后经第四接口可流回压缩机，这样部分低温冷媒用于冷却高温冷媒，可以降低冷媒的冷凝温度，又不会使回压缩机的冷媒温度较高。本文中的流向只是为说明，而不能作为限制，也不是封闭的要求，可以在其中增加其他部件如在压缩机前增加其他控制阀件等。
节流换热组件还可以如图33-图37所示，图33为节流换热组件的第六实施例的立体示意图，图34该节流换热组件的爆炸示意图，图35节流换热组件的桥的两个方向的立体示意图，图36为图35所示桥的主视及后视的示意图，图37为图33所示节流换热组件的连接件的两个方向的立体示意图。节流换热组件包括第一换热部10、节流元件110、桥20、第二换热部30、连接件45。桥20大部分位于第一换热部10与第二换热部30之间，连接件45位于第二换热部30的另一侧，即桥20与连接件45分设于第二换热部30的两侧，第一换热部10、桥20、第二换热部30通过焊接固定，或者第一换热部10、桥20、第二换热部30、连接件通过焊接固定。
第一换热部10具有换热芯体，第一换热部10具有两个供流体流经换热的流道，两种流体流道之间相隔开，第一换热部10包括通过板片层叠相隔开的层间流道，第一换热部10能够流经至少两种流体，这两种流体能够在第一换热部10进行热交换，如一种流体为冷媒，另一种可以为冷却液，如用于对电池等发热元件冷却；另外还可以是用于三种流体，如一种流体为冷媒，另两种可以为冷却液，两种冷却液可以经控制选择与冷媒进行换热，然后冷却液经换热降温后，能用于冷却需要冷却的部件，具体以两种流体为例进行说明。
节流换热组件具有第一接口51、第二接口52、第三接口53、第四接口54、第五接口55、第六接口56。第一换热部10设置有第一接口部101、第二接口部102，桥20设置有第三接口部211，连接件45设置有第四接口54、第五接口55、第六接口56。节流元件110与第一换热部10固定设置或限位设置，其中第一换热部10具有4个孔道如第一孔道103、第二孔道104(图中未全部示出)，第一换热部10在第二孔道104还设置有具有连通口105的管，第二孔道104在靠近桥侧不连通，连通口105与节流元件110的进口连通。第一换热部10的第一接口部101具有用于与冷却液连通的第 一接口51，第二接口部102具有用于与冷却液连通的第一接口52，第一接口51与第二接口52通过换热芯体的流道连通，第一接口部101、第二接口部102可以是第一换热部10的边板的一部分，也可以是单独加工并经焊接与第一换热部10的边板和或换热芯体固定。
桥20具有第一配合部200及第二配合部200’，相应地，第一换热部10具有配合部100，配合部100与桥的第一配合部200对应配合，第二换热部30具有配合部300，配合部300与桥的第二配合部200’对应配合；第一换热部10的配合部100、第二换热部30的配合部300与桥20的两个配合部均包括平面部，桥20在第一配合部200这一侧设置的用于连通的孔或槽或导通部的口部均位于第一配合部200的内部且每一用于连通的口部的四周均被所述第一配合部200围绕，且第一换热部10在与桥20的每一用于连通的口部位置相对应的位置具有对应的连通的口部，且第一换热部10每一连通的口部位于其配合部的内部且每一用于连通的口部均被所述配合部围绕；这样，第一换热部10的配合部100与桥20的第一配合部200在两者焊接密封后，桥20的用于连通的口部能与第一换热部10对应的用于连通的口部连通，或者说每一用于连通的口部的四周包括所述配合部的一部分，两者在相对设置的配合部均形成大致封闭的结构；第二换热部30的配合部300与桥20的第二配合部200’位置相对应，在两者焊接密封后，桥20在该侧的用于连通的口部均与第二换热部30的用于连通的口部连通，具体地，第二换热部30在与桥20相对侧具有三个孔道的口部：第三孔道301、第四孔道302、第一孔道303的口部，桥20在与第二换热部30的相对侧即第二配合部具有导流槽264的口部、孔262的口部及孔266的口部，孔266大于等于孔262的通径，第二换热部30的第三孔道301的口部与导流槽264的口部的部分位置相对应，第四孔道302的口部与孔262的口部的位置相对应，第一孔道303的口部与孔266的口部的位置相对应。导流槽264包括第一部2641、第二部2642及过渡部2640，第一部2641相对靠近第三接口部，第二部2642相对远离第三接口部；过渡部2640位于第一部2641与第二部2642之间。第一部2641深度大于第二部2642的深度，第一部2641在靠近第三接口部处的深度大于等于桥20的厚度的一半或接近桥20的厚度的一半，如深度大于等于桥20的厚度的三分之一小于桥20 的厚度的三分之二，第一部2641与第三接口连通。在桥20与第一换热部10相对侧，第一换热部10在与桥20相对侧具有第一孔道103的口部及与节流元件相连通的连通口105，桥20在与第一换热部10的相对侧具有对应的第三槽263、第四槽265，第三槽263与较小的孔262连通，第四槽265与较大的孔266连通，第四槽265的口部有部分与第一换热部10的第一孔道103的口部位置相对应，第三槽263的口部与节流元件相连通的连通的连通口105相对应连通。导流槽264、第三接口53两者之一向正面的投影至少部分位于第三槽263，导流槽264向正面的投影至少部分位于第四槽265，导流槽264与第四槽265至少部分相背且不直接连通。这里的第一、第二、第三、第四等序号只是为了区分说明，并不是明确槽或孔的数量。
桥20包括第三接口部211，在第三接口部211具有第三接口53，第三接口部211包括向外凸出的结构，第三接口部211可以是桥20的主体一体的结构，也可以是单独加工并经焊接与桥20的主体固定的结构。另外桥20设置有两个通孔2032。导流槽264的第一部2641靠近第三接口部，导流槽264的第二部2642相对远离第三接口部，导流槽264大致沿长度方向延伸设置；第三接口53与导流槽264的第一部2641连通，导流槽264的第二部2642的深度低于桥20的厚度的一半，甚至于不大于桥20的厚度的0.4倍；第四槽265的深度低于桥20的厚度的一半，第三槽263的深度低于桥20的厚度的一半，甚至于第四槽265的深度不大于桥20的厚度的0.4倍，第三槽263的深度不大于桥20的厚度的0.4倍；这样可以在桥20的两侧部分别设置槽以便与两个换热部形成相对独立的流道，而可以减小整个组件。本文中桥20的厚度指桥的两个配合部部位的厚度。桥20还设置有两个肩部212、213，肩部212、213至少有部分凸出于本体部分，桥20设置有固定孔221，至少有一个肩部或靠近肩部处设置有固定孔。
本文中通孔2032是为了减轻重量，并使桥20适宜与第一换热部10及第二换热部30焊接，通孔2032从所述桥20的靠近所述第一换热部10侧到靠近所述第二换热部30侧贯通，通孔2032与所述第一换热部10的孔道不连通，通孔2032与第二换热部30的孔道不连通，通孔2032与桥用于连通的孔或槽不连通；通孔2032距离桥20的朝向或靠近所述第一换热部 10的用于连通的孔距离大于等于1.5mm，通孔2032距离桥的朝向或靠近所述第一换热部的用于连通的槽的距离大于等于1.5mm；通孔2032距离桥的朝向或靠近所述第二换热部的用于连通的孔距离大于等于1.5mm，通孔2032距离桥的朝向或靠近所述第二换热部的用于连通的槽的距离大于等于1.5mm。
连接件45包括主体部4510及延伸部4511，连接件40设置有第四接口54、第五接口55、第六接口56，另外还设置有固定孔459，用于配合固定或限位，连接件45在朝向第二换热部30的一侧具有槽455，槽455为类似盲孔的结构，槽455从延伸部延伸到第六接口56所在位置，槽455与第六接口56连通。连接件还可以包括固定件450，用于固定或限位，固定件450能固定或限位设置于固定孔409。第二换热部朝向连接件40具有第四孔道302、第一孔道303、第二孔道304，连接件40的第四接口54与第一孔道303对应，第五接口55与第四孔道302对应，第六接口56通过槽455与第二孔道304对应连通。
节流换热组件能使热管理系统安装连接方便，减少连接的管路，并且减小系统的体积。以该节流换热组件用于一种车辆热管理系统为例进行说明，需要说明的是，在实际使用时这些部件是相对固定的，为了说明清楚，在该爆炸图中示出了冷媒的流动方式，这只是为了标示清楚以便说明。在一种具体的车辆热管理系统中，车辆热管理系统包括冷媒系统与电池热管理系统，参图34及其他视图，电池热管理系统包括节流换热组件的第一接口部101、第二接口部102，及第一换热部中与第一接口、第二接口相连通的流道部分，电池的热量能传递给冷却液，经第一接口51或第二接口52流经第一换热部的该部分流道，在第一换热部与另一流道的冷媒进行热换，冷却液经降温后再返回以冷却电池。而第三接口53、第四接口54、第五接口55、第六接口56则分别用于与冷媒系统连通，如冷凝器冷却的冷媒经第三接口53进入节流换热组件，或者是经储液器的冷媒经第三接口53进入节流换热组件，这样高温高压的冷媒经桥与第二换热部配合及导流槽264所在的空间形成的流道到第二换热部的第三孔道301，在第二换热部30与另一流道的冷媒换热后到第四孔道302，到第四孔道302的冷媒分成两部分：一部分经连接件45、经第五接口55流出，如经第五接口55通向 前蒸发器或其他蒸发器，蒸发器前可带节流元件，或节流后分流通向两个蒸发器或进行分流、节流后进蒸发器等；另一部分冷媒经桥的孔262、并由桥与第一换热部的配合部配合由第三槽263所在的空间形成的流道、由与节流元件相连通的连通口105进入节流元件110，经节流元件110节流后进入第一换热部10的第二孔道104，并在第一换热部的冷媒流道与冷却液流道的冷却液进行热交换，到达第一孔道103，并经桥与第一换热部的配合部配合由第四槽265所在的空间形成的流道、经孔266，到第二换热部的第一孔道303，并经与第一孔道303对应的第四接口流出，如返回压缩机；另外，第六接口56可以用于连通从前蒸发器和或其他蒸发器流回的冷媒，这部分低温冷媒经连接件45与第二换热部配合由槽455所在的空间形成的流道流向第二换热部的第二孔道304，并流向第一孔道303，与从第三孔道301流向第四孔道302的高温冷媒进行热交换，在第一孔道303，两部分冷媒汇流后经第四接口54可流回压缩机，这样部分低温冷媒用于冷却高温冷媒，可以降低冷媒的冷凝温度，又不会使回压缩机的冷媒温度较高。在桥20，还设置有第一安装部207，用于传感元件250的安装，如感温元件，使感温用的传感头2501穿过安装部而位于孔266和或第四槽265所在的流道，这样可以得到经第一换热部后的冷媒的温度或者说蒸发器的出口温度。该第二换热部可以实现高温冷媒与部分低温冷媒的换热，降低高温冷媒的温度，又不会使冷媒回压缩机的温度过高，从而提高效率，
该节流换热组件包括第一换热部、桥、第二换热部，桥至少部分位于第一换热部与第二换热部之间，通过桥可以相对方便地实现两个换热部之间流体的连通方式，不同的系统需求时可通过改变桥的结构实现，使系统管路简单，接口之间能减少管路的设置，且系统连接简单方便。上述组件的第一换热部的冷媒流道可以是单流程即从第二孔道104流向第一孔道103，另外也可以是三流程，即第一换热部横向大致分为三部分，第一流程从第二孔道104最下面部分流向第一孔道103最下面部分，然后从第一孔道103中间部分流向第二孔道104中间部分，再从第二孔道104上面部分流向第一孔道103上面部分，所以实施例中只说明从第一孔道103流出。没有特别说明的话，桥的厚度指的是桥两个配合部的平面部之间的厚度。本文中的流向只是为说明，而不能作为限制，也不是封闭的要求，可以在 其中增加其他部件如在压缩机前增加其他控制阀件等，如通向蒸发器包括在蒸发器前设置节流元件，甚至具有控制阀等；本文中第一换热部的第二孔道104与节流元件110的出口连通，但在朝向桥时一般可以不设口部，图中只是为了示意该孔道位置。这些技术方案能够根据实际系统作变通，连通情况以具体技术方案为准，如第一接口与第二接口连通，这并不排除与其他接口也同时存在连通情况。
需要说明的是：以上实施方式仅用于说明本发明而并非限制本发明所描述的技术方案，例如对“前”、“后”、“左”、“右”、“上”、“下”等方向性的界定，尽管本说明书参照上述的实施方式对本发明已进行了详细的说明，但是，本领域的普通技术人员应当理解，所属技术领域的技术人员仍然可以对本发明进行修改、结合或者等同替换，而一切不脱离本发明的精神和范围的技术方案及其改进，均应涵盖在本方案的权利要求范围内。

Claims (10)

  1. 一种节流换热组件，所述节流换热组件包括第一换热部(10)、桥(20)、第二换热部(30)、节流元件(110)，所述桥(20)至少部分位于所述第一换热部(10)与所述第二换热部(30)之间，所述第一换热部(10)、桥、所述第二换热部(30)通过焊接固定；所述第一换热部(10)具有换热芯体，所述第一换热部(10)包括至少两个流体流道，两个流体流道之间不连通；所述节流元件(110)与所述第一换热部(10)固定设置或限位设置，或者所述节流元件(110)与所述桥(20)固定设置或限位设置；
    所述节流换热组件包括第一接口(51)、第二接口(52)、第三接口(53)；所述第一换热部(10)包括第一接口部(101)、第二接口部(102)；所述第一接口部(101)具有所述第一接口(51)、所述第二接口部(102)具有所述第二接口(52)；所述桥(20)包括两个朝向所述第一换热部(10)的用于连通的孔或槽；所述桥(20)包括至少两个能与所述第二换热部(30)连通的孔和/或槽，所述桥(20)的能与所述第二换热部(30)连通的孔和/或槽的口部朝向所述第二换热部(30)；所述桥(20)还设置有第一安装部(207)，所述节流换热组件包括传感元件(250)，所述传感元件(250)安装于所述第一安装部(207)，所述传感元件(250)的传感头(2501)位于所述桥(20)的一个孔和/或槽，所述第一换热部(10)的第一孔道(103)与所述第二换热部(30)的第一孔道(303)通过所述传感头(2501)所在的孔和/或槽连通。
  2. 根据权利要求1所述的节流换热组件，其特征在于，所述节流元件(110)与所述第一换热部(10)固定设置或限位设置；所述节流换热组件还包括连接件，所述节流换热组件还包括第四接口(54)、第五接口(55)、第六接口(56)，所述连接件具有所述第四接口(54)、所述第五接口(55)、所述第六接口(56)；所述桥(20)的两个朝向或靠近所述第一换热部(10)的用于连通的孔和/或槽的其中一个与所述节流元件(110)连通，另一个与所述第一换热部(10)的第一孔道(103)连通；所述桥(20)的两个与所述第二换热部(30)连通的孔和/或槽能分别与所述第二换热部(30)的一个孔道连通。
  3. 根据权利要求1所述的节流换热组件，其特征在于，所述桥(20) 包括第二安装部(209)，所述节流元件(110)与所述桥(20)固定设置或限位设置，所述节流元件(110)固定或限位于所述第二安装部(209)；所述桥(20)的两个朝向或靠近所述第一换热部(10)的用于连通的孔和/或槽包括孔(2091)，所述孔(2091)位于所述第二安装部(209)，所述孔(2091)与所述节流元件(110)的出口连通，所述节流元件(110)的出口通过所述孔(2091)与所述第一换热部(10)的第二孔道(104)连通，所述桥(20)的两个朝向或靠近所述第一换热部(10)的用于连通的孔和/或槽的另一个与所述第一换热部(10)的第一孔道(103)连通；所述桥(20)的两个能与所述第二换热部(30)连通的孔和或槽的其中一个与所述第二换热部(30)的第一孔道(303)连通，另一个与所述节流元件(110)的进口连通，并与所述第二换热部(30)的一个孔道(302)连通；所述第一换热部(10)的第一孔道(103)与所述第二换热部(30)的第一孔道(303)通过所述桥(20)连通或通过流道连通。
  4. 根据权利要求3所述的节流换热组件，其特征在于，所述第二换热部(30)不大于所述第一换热部(10)，所述第二安装部(209)至少有部分凸出于所述第二换热部(30)；所述桥(20)在与所述第一换热部(10)的相对侧具有对应的用于流通的孔(2084)，所述孔(2084)与所述第一换热部(10)的第一孔道(103)的位置相对应或连通；所述桥(20)在与所述第一换热部(10)相对的一侧还具有槽(2080)，所述桥(20)包括贯通的孔(2081、2081’)；所述槽(2080)的一侧具有所述孔(2081、2081’)，或所述槽(2080)的一侧与所述孔(2081、2081’)连通，在所述槽(2080)的另一侧，还具有一个斜孔(2082)，所述斜孔(2082)连通所述第二安装部(209)的孔与所述槽(2080)，所述第二安装部(209)的孔通过所述斜孔(2082)、槽(2080)与孔(2081、2081’)连通；所述传感头(2501)位于所述桥(20)的一个通孔，所述通孔一端与所述第一换热部(10)的第一孔道(103)连通或相对并连通，所述通孔另一端与所述第二换热部(30)的第一孔道(303)连通或相对并连通。
  5. 根据权利要求1或2所述的节流换热组件，其特征在于，所述桥(20)包括第三接口部，所述桥(20)在朝向所述第二换热部(30)侧设置有导流孔(202、202’)，所述导流孔(202、202’)与所述第三接口(53)连通， 所述导流孔(202、202’)靠近所述第三接口部设置，所述导流孔(202、202’)的深度大于或等于所述桥(20)的厚度的三分之一且小于所述桥(20)的厚度的三分之二，所述导流孔(202、202’)与所述第二换热部(30)的第三孔道(301)连通或相对并连通；所述桥(20)还包括通孔(206)、第一槽(203)、第二槽(205)、导通部(204)，所述导通部(204)包括孔(2041)与槽(2042)，所述第一槽(203)设置在所述第二换热部(30)相对侧，所述第二槽(205)、所述导通部(204)的所述槽(2042)设置在与所述第一换热部(10)相对侧；所述第一槽(203)与所述第二槽(205)通过所述通孔(206)连通；所述第一槽(203)与所述第二换热部(30)的第四孔道(302)连通；所述第一换热部(10)的第一孔道(103)通过所述桥(20)的导通部(204)与所述第二换热部(30)的第一孔道(303)连通；定义所述桥(20)朝向所述第一换热部(10)侧为正面，所述桥(20)朝向所述第二换热部(30)侧为背面，所述第一槽(203)向正面的投影至少部分位于所述导通部(204)的槽(2042)，所述导流孔(202、202’)向正面的投影至少部分位于所述第二槽(205)。
  6. 根据权利要求1或2所述的节流换热组件，其特征在于，所述桥(20)包括第三接口部，所述桥(20)在朝向所述第二换热部(30)侧设置有导流槽(264)及两个孔：较小的孔(262)、较大的孔(266)，所述较大的孔(266)大于或等于所述较小的孔(262)，所述导流槽(264)与所述第三接口(53)连通，所述导流槽(264)包括第一部(2641)与第二部(2642)，所述第一部(2641)相对靠近所述第三接口部，所述第二部(2642)相对远离所述第三接口部；所述第一部(2641)的深度至少有部分大于所述第二部(2642)的深度，所述第一部(2641)在靠近所述第三接口部处至少有部分深度大于或等于所述桥(20)的厚度的三分之一，所述第一部(2641)与所述第三接口(53)连通；
    所述第二换热部(30)在与所述桥(20)相对侧具有三个孔道的口部，所述桥(20)的导流槽(264)、较小的孔(262)、较大的孔(266)三者分别用于与所述第二换热部(30)的三个孔道的其中一个连通；所述桥(20)在与所述第一换热部(10)相对侧具有两个槽：第三槽(263)、第四槽(265)，所述第三槽(263)与所述较小的孔(262)连通，所述第四槽(265)与所 述较大的孔(266)连通；
    所述第一换热部(10)的第一孔道(103)通过所述第四槽(265)与所述较大的孔(266)与所述第二换热部(30)的一个孔道连通，和/或所述第一换热部(10)的第一孔道(103)通过所述第三槽(263)与所述较小的孔(262)与所述第二换热部(30)的一个孔道连通；
    定义所述桥(20)朝向所述第一换热部(10)侧为正面，所述桥(20)朝向所述第二换热部(30)侧为背面，所述导流槽(264)、所述第三接口(53)向正面的投影两者之一至少部分位于所述第三槽(263)，所述导流槽(264)向正面的投影至少部分位于所述第四槽(265)。
  7. 根据上述权利要求1-6任一项所述的节流换热组件，其特征在于，所述节流换热组件还包括连接件，所述连接件位于所述第二换热部(30)的背离所述桥(20)的一侧；所述连接件具有第四接口(54)、第五接口(55)、第六接口(56)；所述第四接口(54)与所述第二换热部(30)的第一孔道(303)连通，所述第五接口(55)与所述第二换热部(30)的第四孔道(302)连通，所述第六接口(56)与所述第二换热部(30)的第二孔道(304)连通；所述桥(20)包括三个能与所述第二换热部(30)连通的孔或槽，所述桥(20)包括第三接口部，所述第三接口部设置所述第三接口(53)，所述节流换热组件的第三接口(53)通过所述桥(20)的孔和/或槽与所述第二换热部(20)的第三孔道(301)连通。
  8. 根据权利要求1-3任一项所述的节流换热组件，其特征在于，所述节流换热组件还包括连接件，所述连接件位于所述第二换热部(30)的背离所述桥(20)的一侧；所述连接件具有第四接口(54)、第五接口(55)、第六接口(56)、第七接口(57)；所述桥(20)包括第三接口部，所述第三接口部具有第三接口(53)；所述桥(20)包括三个能与所述第二换热部(30)连通的孔：其中一个所述孔连通所述第三接口(53)与所述第二换热部(30)的第三孔道(301)，第二个所述孔与所述第二换热部(30)的第四孔道(302)连通，第三个所述孔为通孔(223)，所述通孔(223)连通所述第一换热部(10)的第一孔道(103)与所述第二换热部(30)的第一孔道(303)；所述第七接口(57)与所述第二换热部(30)的第四孔道(302)连通；所述连接件与所述第二换热部(30)通过焊接固定。
  9. 根据权利要求1-8任一项所述的节流换热组件，其特征在于，所述桥(20)具有第一配合部(200)及第二配合部(200’)，所述第一换热部(10)具有配合部(100)，所述第一换热部的配合部(100)与所述桥(20)的第一配合部(200)对应配合；所述第二换热部(30)具有配合部(300)，所述第二换热部的配合部(300)与所述桥(20)的第二配合部(200’)对应配合；所述第一换热部的配合部(100)、所述第二换热部的配合部(300)与所述桥(20)的两个配合部包括平面部；所述桥(20)的用于连通、朝向或靠近所述第一换热部(10)的孔或槽的口部位于所述第一配合部(200)的内部；所述桥(20)的能与所述第二换热部(30)连通的孔或槽的靠近所述第二换热部(30)的口部位于所述第二配合部(200’)的内部。
  10. 根据上述权利要求1-9任一项所述的节流换热组件，其特征在于，所述桥(20)还包括至少一个减重用孔(2032)，所述减重用孔(2032)从所述桥(20)的靠近所述第一换热部(10)侧到靠近所述第二换热部(30)侧贯通；所述减重用孔(2032)与所述第一换热部(10)的孔道不连通，所述减重用孔(2032)与所述第二换热部(30)的孔道不连通，所述减重用孔(2032)与所述桥(20)的用于连通的孔或槽不连通；所述减重用孔(2032)距离所述桥(20)的朝向或靠近所述第一换热部(10)的用于连通的所述孔或槽的距离大于或等于1.5mm，所述减重用孔(2032)距离所述桥(20)的朝向或靠近所述第二换热部(30)的用于连通的所述孔或槽的距离大于或等于1.5mm。
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