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CN-114883682-B - Heat exchange device and thermal management system

CN114883682BCN 114883682 BCN114883682 BCN 114883682BCN-114883682-B

Abstract

The invention discloses a heat exchange device and a heat management system, wherein the heat exchange device comprises a throttling component, a gas-liquid separation component, a first connecting block and a heat exchange component, the throttling component is connected with the gas-liquid separation component through the first connecting block, the gas-liquid separation component is fixedly connected with the heat exchange component, the first connecting block comprises a circulation cavity, the throttling component is provided with a first port, the gas-liquid separation component comprises a shell which is integrated with the first connecting block, the gas-liquid separation component is provided with a first inlet, a first outlet and a second outlet, a communication channel of the heat exchange component is provided with a first port and a second port, the first port can be communicated with the first inlet through the circulation cavity of the first connecting block, the first outlet is communicated with the first port, the second outlet is communicated with the second port, and the heat exchange device is provided with a first connecting port, and the first connecting port is positioned on one of the first connecting block and the throttling component.

Inventors

  • Request for anonymity
  • Request for anonymity
  • Request for anonymity

Assignees

  • 浙江三花汽车零部件有限公司

Dates

Publication Date
20260512
Application Date
20210205

Claims (10)

  1. 1. The heat exchange device is characterized by comprising a throttling assembly, a gas-liquid separation assembly, a first connecting block and a heat exchange assembly, wherein the throttling assembly is connected with the gas-liquid separation assembly through the first connecting block, and the gas-liquid separation assembly is fixedly connected with the heat exchange assembly; The first connecting block is provided with a circulation cavity, the throttling assembly is provided with a first port, the gas-liquid separation assembly comprises a shell, the shell and the first connecting block are of an integrated structure, the gas-liquid separation assembly is provided with a first inlet, a first outlet and a second outlet, the first inlet, the first outlet and the second outlet are communicated with the circulation cavity, liquid-phase working medium can leave the inner cavity of the gas-liquid separation assembly from the first outlet, gas-phase working medium can leave the inner cavity of the gas-liquid separation assembly from the second outlet, the heat exchange assembly is provided with a communication channel, the communication channel is provided with a first port and a second port, the first port can be communicated with the first inlet through the circulation cavity of the first connecting block, the first outlet is communicated with the first port, and the second outlet is communicated with the second port. The heat exchange device is provided with a first connecting port capable of enabling working medium to flow into the heat exchange device, and the first connecting port is positioned on one of the first connecting block and the throttling assembly; The heat exchange device further comprises a second connecting block, the second connecting block is connected with the heat exchange assembly, the heat exchange device is further provided with a connecting pipe and a second connecting port, working medium can flow out of the heat exchange device, the second connecting port is located on the connecting pipe, the connecting pipe is connected with the first connecting block and the second connecting block, and an inner cavity of the connecting pipe is communicated with the second connecting port, the second outlet and the second port.
  2. 2. The heat exchange device according to claim 1, wherein the first connection port is located in the first connection block, the flow-through chamber of the first connection block includes a first chamber and a second chamber, the first connection block further has a mounting chamber, one end of the first chamber is communicated with the first connection port or one end of the first chamber forms the first connection port, the other end of the first chamber is communicated with the mounting chamber, the extending direction of the first chamber intersects with the extending direction of the mounting chamber and the first chamber intersects with the mounting chamber at a connection port, and the second chamber is communicated with the first inlet; At least a portion of the throttling assembly is located in the mounting cavity, a first port of the throttling assembly is in communication with the connection port, and in a set mode, the first cavity can be in communication with the second cavity through the first port.
  3. 3. The heat exchange device of claim 2 wherein the throttle assembly comprises a throttle valve comprising a first valve spool movable in a direction toward or away from the first port to vary the cross-sectional flow area of the first port.
  4. 4. The heat exchange device of claim 1 wherein the throttle assembly comprises throttle tubes having different tube diameters of inner cavities along the extending direction of the throttle tubes, The first connecting port is formed in the throttle pipe and is positioned at one end of the throttle pipe, and the first port is positioned in the inner cavity of the throttle pipe.
  5. 5. The heat exchange device according to any one of claims 1 to 4, wherein the gas-liquid separation module includes a sleeve and a baffle plate disposed at intervals along an axial direction of the gas-liquid separation module, the housing of the gas-liquid separation module has a receiving chamber, the sleeve and the baffle plate are located in the receiving chamber, an orthographic projection of the sleeve on the baffle plate is located inside the baffle plate along the axial direction of the gas-liquid separation module, The sleeve is provided with a pore canal penetrating through the sleeve along the axial direction, the pore canal is communicated with a second outlet or one end of the pore canal forms the second outlet, and the baffle is positioned between the sleeve and the first outlet.
  6. 6. The heat exchange device of any one of claims 1 to 4, further comprising a third connection block and a connection tube, the third connection block being connected to the heat exchange assembly, the third connection block comprising a first interface, a second interface, and a third interface in communication with each other, the first interface being in communication with a second outlet of the gas-liquid separation assembly through the connection tube, the second interface being in communication with a second port of the heat exchange assembly; The heat exchange device is further provided with a second connecting port capable of enabling working medium to flow out of the heat exchange device, and the second connecting port is located on the third connecting block and is communicated with the third interface.
  7. 7. The heat exchange device of any one of claims 1 to 4 wherein the heat exchange assembly comprises oppositely disposed and sealingly connected heat exchange plates and flow field plates forming a refrigerant transfer path therebetween, the refrigerant transfer path comprising a first interface section and a second interface section, the first port being located in one of the first interface section and the second interface section, the second port being located in the other of the first interface section and the second interface section, The heat exchanger plate comprises a first recess, the first interface section comprises a groove cavity of a part of the first recess, and/or the second interface section comprises a groove cavity of a part of the first recess, The flow field plate includes a second groove, the first interface section includes a slot cavity of a portion of the second groove, and/or the second interface section includes a slot cavity of a portion of the second groove.
  8. 8. A thermal management system comprising a compressor, a condenser, and a heat exchange device according to any one of claims 1 to 7, wherein an outlet of the compressor is in communication with an inlet of the condenser, an outlet of the condenser is in communication with a first connection port of the heat exchange device, a second outlet of the gas-liquid separation assembly is in communication with an inlet of the compressor, and a second port of the heat exchange assembly is in communication with an inlet of the compressor.
  9. 9. The thermal management system of claim 8, wherein the thermal management system is applied to a vehicle and the heat exchange device is capable of regulating the temperature of a battery of the vehicle; the heat management system further comprises a regulating valve and an air conditioner heat exchanger, wherein a working medium passage formed by the regulating valve and the air conditioner heat exchanger is connected in parallel with a working medium passage formed by the heat exchange device.
  10. 10. The heat exchange device is characterized by comprising a throttling assembly, a gas-liquid separation assembly, a first connecting block and a heat exchange assembly, wherein the throttling assembly is connected with the gas-liquid separation assembly through the first connecting block, and the gas-liquid separation assembly is fixedly connected with the heat exchange assembly; The first connecting block is provided with a circulation cavity, the throttling assembly is provided with a first port, the gas-liquid separation assembly comprises a shell, the shell and the first connecting block are of an integrated structure, the gas-liquid separation assembly is provided with a first inlet, a first outlet and a second outlet, the first inlet, the first outlet and the second outlet are communicated with the circulation cavity, the first inlet is positioned on the side wall of the shell, a height difference exists between the first inlet and the first outlet in the height direction of the heat exchange device, the heat exchange assembly is provided with a communication channel, the communication channel is provided with a first port and a second port, the first port can be communicated with the first inlet through the circulation cavity of the first connecting block, the first outlet is communicated with the first port, and the second outlet is communicated with the second port. The heat exchange device is provided with a first connecting port capable of enabling working medium to flow into the heat exchange device, and the first connecting port is positioned on one of the first connecting block and the throttling assembly; The heat exchange device further comprises a second connecting block, the second connecting block is connected with the heat exchange assembly, the heat exchange device is further provided with a connecting pipe and a second connecting port, working medium can flow out of the heat exchange device, the second connecting port is located on the connecting pipe, the connecting pipe is connected with the first connecting block and the second connecting block, and an inner cavity of the connecting pipe is communicated with the second connecting port, the second outlet and the second port.

Description

Heat exchange device and thermal management system Technical Field The invention relates to the field of fluid control, in particular to a heat exchange device and a thermal management system. Background The battery of an electric vehicle or a hybrid vehicle can generate a large amount of heat during the operation of the vehicle, the battery temperature is increased, the use of the battery is not easy to be facilitated, the service life of the battery is easy to be reduced, and a heat exchange device is arranged in the system to cool the battery. In general, all parts of the heat exchange device are connected through pipelines, so that more pipelines of the heat exchange device are caused, the structure is relatively huge and complex, and the integration degree is low. Disclosure of Invention The invention aims to provide a heat exchange device and a heat management system, wherein the heat exchange device is relatively simple and compact in structure, and the integration degree of the heat exchange device can be improved. In one aspect, the embodiment of the invention provides a heat exchange device, which comprises a throttling component, a gas-liquid separation component, a first connecting block and a heat exchange component, wherein the throttling component is connected with the gas-liquid separation component through the first connecting block, the gas-liquid separation component is fixedly connected with the heat exchange component, the first connecting block is provided with a circulation cavity, the throttling component is provided with a first port, the gas-liquid separation component comprises a shell, the shell and the first connecting block are of an integrated structure, the gas-liquid separation component is provided with a first inlet, a first outlet and a second outlet, the first inlet, the first outlet and the second outlet are communicated with the circulation cavity, liquid phase working medium can leave the inner cavity of the gas-liquid separation component from the first outlet, the heat exchange component is provided with a communication channel, the communication channel is provided with a first port and a second port, the first port can be communicated with the first connecting block through the cavity of the first connecting block, the first outlet and the first port can be communicated with the heat exchange device, and the first connecting block can be communicated with the first port, and the second connecting block can be communicated with the first port, and the medium can be communicated with the first connecting device. In another aspect, an embodiment of the present invention provides a thermal management system, including a compressor, a condenser, and the heat exchange device described above, where an outlet of the compressor is connected to an inlet of the condenser, an outlet of the condenser is connected to a first connection port of the heat exchange device, and a second outlet of the gas-liquid separation assembly and a second port of the heat exchange assembly are respectively connected to an inlet of the compressor. According to the heat exchange device and the heat management system provided by the embodiment of the invention, the heat exchange device comprises the throttling component, the gas-liquid separation component, the first connecting block and the heat exchange component, wherein the throttling component and the gas-liquid separation component are connected with the first connecting block, the gas-liquid separation component is connected with the heat exchange component, the first inlet of the gas-liquid separation component can be communicated with the first port of the throttling component through the circulation cavity of the first connecting block, the first connecting port of the heat exchange device is positioned in one of the first connecting block and the throttling component, so that working medium entering the heat exchange device can flow through the first connecting port, the first port and the circulation cavity of the first connecting block to enter the first inlet of the gas-liquid separation component, and then enter the heat exchange component from the first outlet of the gas-liquid separation component so as to enable the heat exchange component to exchange heat sources such as batteries, so that pipelines among the gas-liquid separation component, the throttling component and the heat exchange component can be relatively reduced, the heat exchange device can be facilitated, and the integration degree of the heat exchange device can be improved. Drawings FIG. 1 is a schematic block diagram of a connection of a thermal management system provided by one embodiment of the present invention; FIG. 2 is a schematic view of a heat exchange device according to a first embodiment of the present invention at a first view angle; FIG. 3 is a schematic view of a heat exchange device according to a first embodiment of the present invention at a seco