CN115107447A

CN115107447A - Fluid management device and thermal management system

Info

Publication number: CN115107447A
Application number: CN202110294444.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2022-09-27

Abstract

The fluid management device and the thermal management system provided by the embodiment of the application comprise a fluid management module, a connecting piece and a fluid management component, wherein the fluid management module is fixedly connected or in limited connection with the connecting piece, at least part of the fluid management component is positioned in a mounting hole, the fluid management device is provided with a communication channel, at least part of the communication channel is positioned in the connecting piece, the communication channel comprises a first communication channel and a second communication channel, the second communication channel comprises a first sub-channel, a second sub-channel and a third sub-channel, and the fluid management component can adjust the opening and/or the switch of the second communication channel; the second sub-passage is communicated with the second valve cavity of the second fluid management module, and the first communication passage is communicated with the first valve cavity of the first fluid management module, so that the pipeline connection among functional components can be relatively reduced, and the optimization of the thermal management system is facilitated.

Description

Fluid management device and thermal management system

Technical Field

The invention relates to the technical field of fluid management, in particular to a fluid management device and a thermal management system.

Background

The technical problem is to provide a fluid management assembly and a thermal management system, which are beneficial to optimizing the thermal management system.

Disclosure of Invention

It is an object of the present invention to provide a fluid management device and a thermal management system, which are advantageous for solving the above problems.

One embodiment of the present application provides a fluid management device, including a fluid management module, a connector and a fluid management component, the fluid management module is fixedly connected or in a limited connection with the connector, the connector includes a mounting portion, the mounting portion has a mounting hole, at least a portion of the fluid management component is located in the mounting hole; the fluid management device is provided with a communication channel, at least part of the communication channel is positioned on the connecting piece, the communication channel comprises a first communication channel and a second communication channel, the fluid management component can adjust the opening and/or the switch of the second communication channel, and the second communication channel comprises a first sub-channel, a second sub-channel and a third sub-channel;

the fluid management module comprises at least one of a first fluid management module and a second fluid management module, the first fluid management module comprises a first valve core, the fluid management module is provided with a first throttling cavity, a first valve cavity and a first gas-liquid separation cavity, the first valve core is positioned in the first valve cavity, the first valve core can enable the first throttling cavity to be communicated with the first valve cavity and the first gas-liquid separation cavity, and the first communication channel is communicated with the first valve cavity; the second fluid management module comprises a second valve core, the fluid management module is provided with a second throttling cavity, a second valve cavity and a second gas-liquid separation cavity, the second valve core is located in the second valve cavity, the second sub-channel is communicated with the second valve cavity, and the second valve core enables the second throttling cavity to be communicated with the second valve cavity and the second gas-liquid separation cavity.

Another embodiment of the present application provides a thermal management system, including a compressor, a fluid management device, a first heat exchanger, and a second heat exchanger, where the fluid management device is the fluid management device described above, the fluid management device has a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, and a seventh port, an outlet of the compressor is communicated with the fifth port, the first heat exchanger is communicated with the second port and the first port, the third port is communicated with a first inlet of the compressor, the second heat exchanger is communicated with the fourth port and the seventh port, and the sixth port is communicated with a second inlet of the compressor.

Drawings

FIG. 1 is a perspective view of a first embodiment of a fluid management device;

FIG. 2 is a schematic perspective view of an alternate view of the fluid management device of FIG. 1;

FIG. 3 is an exploded view of one perspective of the fluid management device of FIG. 1;

FIG. 4 is an exploded view of the fluid management device of FIG. 1 from another perspective;

FIG. 5 is a perspective view of the connector of FIG. 1 from one perspective;

FIG. 6 is a perspective view of the connector of FIG. 4 from another perspective;

FIG. 7 is a perspective schematic view of the connector of FIG. 5;

FIG. 8 is a perspective view of a second embodiment of a fluid management device;

FIG. 9 is a schematic perspective view of an alternate view of the fluid management device of FIG. 8;

FIG. 10 is a schematic top view of the fluid management module of FIG. 1;

FIG. 11 is a cross-sectional structural view taken along A-A of FIG. 10;

FIG. 12 is a schematic diagram of the connection of a thermal management system.

Detailed Description

The fluid management device according to the technical scheme of the invention can be applied to various embodiments, at least one embodiment can be applied to a vehicle thermal management system, at least one embodiment can be applied to other thermal management systems such as a household thermal management system or a commercial thermal management system, and the following description takes a fluid management device applied to a vehicle thermal management system as an example and is combined with the accompanying drawings, wherein the fluid is a refrigerant, including R134a or CO2 or other forms of refrigerants.

Referring to fig. 1-11, the fluid management device 10 includes a fluid management component, a fluid management module 300 and a connector 200, wherein the fluid management module 300 is fixedly connected or connected to the connector 200. The connection member 200 includes a mounting portion 280, which is not provided with a mounting hole, and at least a part of the fluid management component is located in the mounting hole, in this embodiment, the fluid management component includes a throttling unit 500 and a valve unit 400, accordingly, the mounting portion 280 includes a first mounting portion and a second mounting portion, the first mounting portion has a first mounting hole 281, the second mounting portion has a second mounting hole 282, at least a part of the valve unit 400 is located in the first mounting hole 281, the valve unit 400 is fixedly connected or in a limited connection with the first mounting portion, at least a part of the throttling unit 500 is located in the second mounting hole 282, and the throttling unit 500 is fixedly connected or in a limited connection with the second mounting portion. The fluid management device 10 has a communication passage at least a part of which is located at the connection member 200, the fluid management member can adjust the opening and/or opening of the second communication passage, and specifically, the communication passage includes a first communication passage 250 and a second communication passage 260, the second communication passage 260 includes a first sub-passage 261, a second sub-passage 262 and a third sub-passage 262, the wall of the second mounting portion has a port which communicates with the first sub-passage 261, the throttle unit 500 can adjust the opening of the first sub-passage 261, the wall of the first mounting portion has a port which communicates with the third sub-passage 262, and the valve unit 400 can open and close the third sub-passage 262. The fluid management module 300 includes at least one of a first fluid management module 310 and a second fluid management module 320, the first fluid management module 310 including a first valve spool 313, the fluid management module 300 having a first throttle chamber 3131', a first valve chamber 3133, and a first gas-liquid separation chamber 3161, the first valve spool 313 being located within the first valve chamber 3133. The second fluid management module 320 includes a second spool 315, the fluid management module 300 has a second throttle chamber 3151', a second valve chamber 3153 and a second gas-liquid separation chamber 3171, the second spool 315 is located in the second valve chamber 3153, the first communication passage 250 communicates with the first valve chamber 3133, and the second sub-passage 262 communicates with the second valve chamber 3153. The fixed connection or the limit connection comprises connection modes such as welding, bonding or bolt connection. The fluid management module 300, the throttling unit 500 and the valve unit 400 are fixedly connected or in a limiting connection with the connector 200, the fluid management device 10 is provided with a first communicating channel 250 communicated with the first fluid management module 310, the fluid management device 10 is provided with a second sub-channel 262 communicated with the second fluid management module 320, the valve unit 400 can open and close the third sub-channel 262, and the throttling unit 500 can adjust the opening degree of the first sub-channel 261. In this embodiment, the fluid management device 10 includes a valve unit 400 and a throttling unit 500, the fluid management module 300 includes a first fluid management module 310 and a second fluid management module 320, when the fluid management device 10 is operated, the fluid management device 10 includes a first operation mode and a second operation mode, in the first operation mode, the first valve spool 313 makes the first throttling cavity 3131' communicate with the first valve cavity 3133 and the first gas-liquid separation cavity 3161, and the valve unit 400 opens the third sub-passage 262; in the second operation mode, the second spool 315 communicates the second throttling chamber 3151' with the second valve chamber 3153 and the second gas-liquid separating chamber 3171, and the valve unit 400 closes the third sub-passage 262. The communication channel is located within the connector 200 to facilitate preventing internal leakage and to facilitate miniaturization of the fluid management device 10. The first valve core and the second valve core can be collectively called valve cores, the first valve cavity and the second valve cavity can be collectively called valve cavities, and the first gas-liquid separation cavity and the second gas-liquid separation cavity can be collectively called gas-liquid separation cavities. In other embodiments, the fluid management member may include a valve unit or a throttle unit, and the mounting portion may have a first mounting hole corresponding to the valve unit or a second mounting hole corresponding to the throttle unit.

Please refer to fig. 3-6 and fig. 9-11. The fluid management device comprises a block body, in a specific embodiment, the block body comprises a first block body 311, a second block body 316, a third block body 312 and a fourth block body 317, wherein the first fluid management module 310 comprises a first block body 311 and a second block body 316, the first block body 311 is fixedly connected or in limited connection with the connecting piece 200, in the present embodiment, the connecting piece 200 is connected with the first block body 311 through a bolt, the first block body 311 has an opening facing the connecting piece 200, and the first communicating passage 250 is communicated with the first valve cavity 3133. The first valve cavity 3133 is located in the first block 311, at least a part of the first gas-liquid separation cavity 3161 is located in the second block 316, the first fluid management module 310 has a first passage 3162, at least a part of the first passage 3162 is located in the second block 316, the first passage 3162 is communicated with the first gas-liquid separation cavity 3161, the first passage 3162 has an opening facing the first spool 313, the first spool 313 has a first groove 3131, the first groove 3131 cooperates with a valve seat of the first fluid management module 310 to form a first throttling cavity 3131', and the first spool 313 is spherical or quasi-spherical or cylindrical. The second fluid management module 320 comprises a third block 312 and a fourth block 317, the third block 312 is fixedly connected or limited with the connecting member 200, the connecting member 200 is connected with the third block 312 by bolts, the third block 312 has an opening facing the connecting member 200, the second sub-channel 262 is communicated with the second valve cavity 3153, the second valve cavity 3153 is positioned in the third block 312, at least a part of the second gas-liquid separation cavity 3171 is positioned in the fourth block 317, the first fluid management module 310 has a second channel 3172, at least a part of the second channel 3172 is positioned in the fourth block 317, the second channel 3172 is communicated with the second gas-liquid separation cavity 3171, the second channel 3172 has an opening facing the second valve core 315, the second valve core 315 has a second groove 3151, the second groove 3151 is matched with a valve seat of the second fluid management module 320 to form a second cavity throttling 3151', the second valve spool 315 is spherical or spheroidal or cylindrical. In the present embodiment, when the fluid management device 10 is in operation, the refrigerant throttled by the first throttle chamber 3131 'enters the first gas-liquid separation chamber 3161 through the first passage, and then centrifugally rotates in the first gas-liquid separation chamber 3161, and similarly, the refrigerant throttled by the second throttle chamber 3151' enters the second gas-liquid separation chamber 3171 through the second passage, and then centrifugally rotates in the second gas-liquid separation chamber 3171. In other embodiments, the gas-liquid separation of the fluid management module 300 may be in other forms and will not be described in detail. In addition, the fluid management module 300 has a first gas channel 3163 and a first liquid channel 3164 to facilitate the gas-liquid separated refrigerant to be discharged out of the first fluid management module 310, and the fluid management module 300 has a second gas channel 3173 and a second liquid channel 3174 to facilitate the gas-liquid separated refrigerant to be discharged out of the second fluid management module 320.

When the fluid management device 10 is in operation, in the first operation mode, the first valve spool 313 connects the first throttle chamber 3131' with the first valve chamber 3133 and the first gas-liquid separation chamber 3161, the relatively gaseous refrigerant leaves the fluid management device 10 through the first gas passage 3163, the relatively liquid refrigerant leaves the fluid management device 10 through the first liquid passage 3164, the valve unit 400 opens the third sub-passage 262, the throttle unit 500 closes the second sub-passage 262, and the second valve spool 315 does not connect the second valve chamber 3153 with the second gas-liquid separation chamber 3171; in the second operation mode, the first valve spool 313 does not communicate the first valve chamber 3133 with the first gas-liquid separation chamber 3161, the second valve spool 315 communicates the second throttling chamber 3151' with the second valve chamber 3153 and the second gas-liquid separation chamber 3171, the valve unit 400 closes the third sub-passage 262, the relatively gaseous refrigerant leaves the fluid management device 10 through the second gas passage 3173, the relatively liquid refrigerant leaves the fluid management device 10 through the second liquid passage 3174, and the throttling unit 500 may be opened to throttle the refrigerant in the first sub-passage 261 to reduce the pressure, or the throttling unit 500 may not be opened. Still further, the first valve spool 313 further has a first through passage 3132, the first through passage 3132 has at least two ports on the outer wall of the first valve spool 313, the first valve spool 313 communicates the first through passage 3132 with the first valve cavity 3133 and one outlet of the first fluid management module 310, i.e. the second port 1002, in the second operation mode of the fluid management device 10, the first valve spool 313 does not communicate the first valve cavity 3133 with the first gas-liquid separation cavity 3161, the second communication passage 260 is one inlet passage of the fluid management device 10, and the second communication passage has a port on the connection piece, i.e. the first port 1001. Likewise, the second spool 315 has a second communication channel 3152, the second communication channel 3152 having at least two ports on the outer wall of the second spool 315, the second spool 315 enabling the second communication channel 3152 to communicate the second valve chamber 3153 with one outlet port, i.e., the fourth port 1004, of the second fluid management module 320.

The first fluid management module 310 includes a first control portion 318, when the first fluid management module 310 operates, the first control portion 318 can drive the first valve spool 313 to rotate, the first control portion 318 includes a first valve rod in transmission connection with the first valve spool 313, the first fluid management module 310 includes a second control portion 321, the second control portion 321 includes a second valve rod in transmission connection with the second valve spool 315, correspondingly, the first block 311 includes a first valve rod hole portion, the first valve rod hole portion has a first valve rod hole, a part of the first valve rod is located in the first valve rod hole, the first valve rod is in dynamic sealing arrangement with the first valve rod hole portion, similarly, the third block 312 includes a second valve rod hole portion, the second valve rod hole portion has a second valve rod hole, a part of the second valve rod is located in the second valve rod hole, and the second valve rod is in dynamic sealing arrangement with the second valve rod hole portion.

Referring to fig. 1-4, the fluid management device 10 includes a heat exchange module 100, the heat exchange module 100 includes a plurality of stacked plates, a stacking direction of the plates is defined as a first direction, the connection member 200 includes a first side portion 210 and a second side portion 220, the first side portion 210 is located on one side of the connection member 200, the second side portion 220 is located on the opposite side of the connection member 200, and the side where the first side portion 210 is located and the side where the second side portion 220 is located are different sides of the connection member 200. The heat exchange module 100 is fixedly connected or connected in a limited manner with the first side portion 210, and the block body of the fluid management module 300 is fixedly connected or connected in a limited manner with the second side portion 220. Heat exchange module 100 may comprise at least one of first heat exchange module 120 and second heat exchange module 110, in this embodiment, heat exchange module 100 includes a second heat exchange module 110 and a first heat exchange module 120, wherein the first heat exchange module 120 and the second heat exchange module 110 are plate heat exchangers, the connecting member 200 has a third communicating channel 270, the first heat exchange module 120 has a first flow passage and a second flow passage, the second heat exchange module 110 also has a first flow passage and a second flow passage, the first communicating channel 250 has an opening facing the first heat exchange module 120 at the first side 210, the first flow passage of the first heat exchange module 120 communicates with the first communicating channel 250, the first communicating channel 250 has an opening facing the first block 311 at the second side 220, the first communicating channel 250 communicates with the first valve cavity 3133, thus, the first flow passage of the first heat exchange module 120 communicates with the first valve cavity 3133 through the first communication passage 250. The first sub-channel 261 has an opening toward the second heat exchange module 110 at the first side 210, the first flow channel of the second heat exchange module 110 communicates with the first sub-channel 261, the third communication channel 270 has an opening toward the second heat exchange module 110 at the first side 210, the first flow channel of the second heat exchange module 110 communicates with the third communication channel 270, or the first sub-channel 261 communicates with the third communication channel 270 through the first flow channel of the second heat exchange module 110. The second sub-passage 262 has an opening at the second side 220 toward the third block 312, and the second sub-passage 262 communicates with the second valve chamber 3153. The fluid management module is located on one side of the connection member 200, the heat exchange module 100 is located on the other side of the connection member 200, the fluid management module 300 and the heat exchange module 100 are located on different sides of the connection member 200, so that the size of the fluid management module is favorably reduced, the mass center of the fluid management device 10 is relatively close to the connection member 200, the fluid management device 10 is more stable, in addition, the heat exchange module and the fluid management module are located on different sides of the connection member 200, and the interference of the heat exchange module 100 on the fluid management module during heat exchange is favorably prevented. In the present embodiment, when the fluid management device 10 is in operation, the fluid in the first flow channel of the first heat exchange module 120 and the first flow channel of the second heat exchange module 110 is a refrigerant, and the fluid in the second flow channel of the first heat exchange module 120 and the second flow channel of the second heat exchange module 110 is a coolant.

The connection member 200 includes a third side 230, and the first side 210 is located at one side of the third side 230 and the second side 220 is located at the opposite side of the third side 230 along the first direction, wherein the first mounting hole 281 has an opening at a wall of the third side 230 and the second mounting hole 282 has an opening at a wall of the third side 230. The connector 200 includes a fourth side 240, the first side 210 is located at one side of the fourth side 240 and the second side 220 is located at the opposite side of the fourth side 240 in the first direction, and the third side 230 is located above the fourth side in the gravity direction, such that the partial valve unit 400 and the partial throttle unit 500 are located above the third side 230. The fluid management device 10 includes a gas-liquid separation part 600, the gas-liquid separation part 600 is fixedly connected or connected with a limit to the fourth side part 240, the gas-liquid separation part 600 has a gas separation chamber, the third communication channel 270 has a port facing the gas-liquid separation part 600 at the fourth side part 240, the third communication channel 270 is communicated with the gas separation chamber, specifically, the fluid management device 10 has a first interface 201, the first interface 201 is located at the fourth side part 240, the first interface 201 is communicated with the third sub-channel 262, the first interface 201 is communicated with the third communication channel 270, the first interface 201 faces the gas-liquid separation part 600, thus, the refrigerant entering the fluid management device 10 from the second communication channel 260 can enter the gas-liquid separation part 600 through the valve unit 400, the refrigerant entering the fluid management device 10 from the second communication channel 260 can also enter the gas-liquid separation part 600 through the throttle unit 500, the second heat exchange module 110 and the third communication channel 270, refrigerant entering the fluid management device 10 from the second communication channel 260 may enter the second valve chamber 3153 through the second sub-channel 262.

Referring to fig. 1-4, 6-8 and 11, the fluid management device 10 has a first port 1001, a second port 1002, a third port 1003, a fourth port 1004, a fifth port 1005, a sixth port 1006 and a seventh port 1007, wherein the fifth port 1005 is communicated with the first flow channel of the first heat exchange module 120, and in the present embodiment, the fifth port 1005 is located at the first heat exchange module 120 or at a tube or a block fixedly connected or in a limited connection with the first heat exchange module 120. The first port 1001 is located at the third side 230, the first port 1001 is communicated with the second communication channel 260, the valve unit 400 can open and close the communication channel between the first port 1001 and the air distribution chamber, the first port 1001 can be communicated with the first channel of the first heat exchange module 120 through the throttling unit 500, the first port 1001 is communicated with the second sub-channel 262, and the first port 1001 can be communicated with the second valve chamber 3153 through the second sub-channel 262, of course, the first port 1001 can also be located at a pipe or a block fixedly connected or in a spacing connection with the connection member 200, and will not be described in detail. The second port 1002 is located in the first block 311, the first block 311 has a passage communicating the second port 1002 with the first valve chamber 3133, the first valve body 313 enables the first throttle chamber 3131' or the first through passage 3132 to communicate the first valve chamber 3133 with the second port 1002, in this embodiment, the first liquid passage 3174 also communicates with the second port 1002, and the liquid refrigerant gas-liquid separated by the first gas-liquid separation chamber 3161 can flow out of the fluid management device 10 through the second port 1002. The fourth port 1004 is located in the third block 312, the third block 312 has a passage that communicates the second valve chamber 3153 and the fourth port 1004, the first valve body 313 enables the second throttle chamber 3151' or the second communication passage 3152 to communicate the second valve chamber 3153 and the fourth port 1004, the second liquid passage also communicates with the fourth port 1004, and the liquid refrigerant that has been gas-liquid separated by the second gas-liquid separation chamber 3171 can flow through the fluid management device 10 via the fourth port 1004. The third port 1003 is located in the fluid management module 300, the first gas channel 3163 and the second gas channel 3173 are communicated with the third port 1003, the relatively gaseous refrigerant after gas-liquid separation in the first gas-liquid separation chamber 3161 can be discharged out of the fluid management device 10 through the third port 1003, and the relatively gaseous refrigerant after gas-liquid separation in the second gas-liquid separation chamber 3171 can be discharged out of the fluid management device 10 through the third port 1003. Seventh port 1007 is an inlet of gas-liquid separator 600, sixth port 1006 is an outlet of gas-liquid separator 600, and in the present embodiment, sixth port 1006 and seventh port 1007 are both located in gas-liquid separator 600. In a more specific embodiment, the first port 1001, the second port 1002, the third port 1003, the fourth port 1004, the fifth port 1005, the sixth port 1006, and the seventh port 1007 are oriented upward in the direction of gravity, which facilitates coupling of the fluid management device 10 to other components or plumbing within the thermal management system.

Referring to fig. 9-11, the fluid management module 300 includes a connection portion 330, the connection portion 330 is fixedly connected or connected in a limited manner to the block, where the fixed connection includes the connection portion 330 and the block as an integral structure, in this embodiment, the block includes a fourth block 317 and a second block 316, the second block 316 is fixedly connected or connected in a limited manner to the connection portion 330, the fourth block 317 is fixedly connected or connected in a limited manner to the connection portion 330, and in other embodiments, the connection portion 330 may be integral with at least one of the second block 316 and the fourth block 317. The communication part 330 includes a receiving part having a receiving cavity, at least a part of the valve member 340 is located in the receiving cavity, and the valve member 340 is fixedly connected or connected in a limiting manner with the receiving part. In the present embodiment, at least a portion of the first gas channel 3163 is located at the communicating portion 330, and at least a portion of the second gas channel 3173 is located at the communicating portion 330, specifically, the communicating portion 330 has a first connecting port, a first connecting chamber 3312 and a second connecting chamber 3313, the first connecting chamber 3312 is a portion of the second gas channel 3173, and the second connecting chamber 3313 is a portion of the first gas channel 3163, wherein the first connecting port is the third port 1003 of the fluid management device 10 or is communicated with the third port 1003, the first connecting chamber 3312 is communicated with the second gas-liquid separation chamber 3171, the second connecting chamber 3313 is communicated with the first gas-liquid separation chamber 3161, the valve member 340 can make the first connecting chamber 3312 conduct the second connecting chamber 3313 in one direction, the first connecting port is communicated with the second connecting chamber 3313, so that the relatively gaseous refrigerant of the second gas-liquid separation chamber 3171 can flow out of the fluid management device 10 through the first connecting port 331340, the relatively gaseous refrigerant in the first gas-liquid separation chamber 3161 can enter the first connection fluid management device 10, but cannot enter the second gas-liquid separation chamber 3171 due to the presence of the valve member 340. In the present embodiment, in the direction of gravity, at least part of the communication portion 330 is located above the second block 316, and at least part of the communication portion is located above the fourth block 317; the second block 316 is bolted to the communication portion 330, and the fourth block 317 is bolted to the communication portion 330. In this way, the fluid management devices 10 have a common gas outlet, which may reduce the number of interfaces for the fluid management devices 10 and facilitate connection of the fluid management devices 10 to other components of the thermal management system. The fluid management device 10 is provided with a valve member 340 capable of preventing the gas in the first gas-liquid separation chamber 3161 from entering the second gas-liquid separation chamber 3171. In other embodiments, the second block 316 and the fourth block 317 are of an integral structure, and the communication portion 330 is fixedly connected or connected in a limited manner with one of the second block 316 and the fourth block 317.

The fluid management device 10 includes a first insertion portion 3316, a second insertion portion 3317, a first accommodating portion 3162, and a second accommodating portion 3172, the first insertion portion 3316 is located in an accommodating chamber of the first accommodating portion 3162, the first insertion portion 3316 is hermetically connected to the first accommodating portion 3162, the second insertion portion 3317 is located in an accommodating chamber of the second accommodating portion 3172, the second insertion portion 3317 is hermetically connected to the second accommodating portion 3172, the first insertion portion has a passage communicating the second communicating chamber and the first gas-liquid separation chamber, and the second communicating chamber is communicated with the first gas-liquid separation chamber, the second insertion portion has a passage communicating the first communicating chamber and the second gas-liquid separation chamber, and the first communicating chamber is communicated with the second gas-liquid separation chamber; one of the first insertion portion 3316 and the first accommodating portion 3162 is located at the communicating portion 330 and the other thereof is located at the second block 316, and one of the second insertion portion 3317 and the second accommodating portion 3172 is located at the communicating portion 330 and the other thereof is located at the fourth block 317. The fluid management device is provided with the inserting part and the accommodating part corresponding to the inserting part, so that the communicating part is convenient to position when being installed, and the installation is facilitated.

In a specific embodiment, the communication portion 330 includes a first insertion portion 3316 and a second insertion portion 3317, the first accommodation portion 3162 is located in the second block 316, and the second accommodation portion 3172 is located in the fourth block 317. The fluid management device 10 includes a first conduit portion 3318 and a second conduit portion 3319, the conduit port of the first conduit portion 3318 facing away from the first insert portion 3316, the conduit port of the second conduit portion 3319 facing away from the second insert portion 3317, the first conduit portion 3318 being integral with the first insert portion 3316 or fixedly attached or captively attached, and the second conduit portion 3319 being integral with the second insert portion 3317 or fixedly attached or captively attached. A portion of the first gas passage is located in the first conduit portion 3318 and the first insert portion 3316 and a portion of the second gas passage is located in the second conduit portion 3319 and the second insert portion 3317.

In the present embodiment, the valve member 340 is a one-way member, the communicating portion 330 includes a first hole portion 331, at least a part of the first communicating chamber 3312 is located in the first hole portion 331, at least a part of the second communicating chamber 3313 is located in the first hole portion 331, the first hole portion 331 includes an accommodating portion, the communicating portion 330 has a first communicating port 3314 and a second communicating port 3315, the first communicating port 3314 is located on a wall of the first hole portion 331, the second communicating port 3315 is located on a wall of the first hole portion 3315, the first communicating port 3314 communicates with the second gas-liquid separation chamber 3171, the second communicating port 3315 communicates with the first gas-liquid separation chamber 3161, the first communicating port 3314 is located on one side of the accommodating portion along an axial direction of the first hole portion 331, and the second communicating port 3315 is located on the other side of the accommodating portion. In other embodiments, the valve unit 340 may also be a solenoid valve or a ball valve, which will not be described in detail, and compared with the valve unit 340 being a solenoid valve or a ball valve, the installation has the advantages of convenience and low cost, and no electric control is needed.

The fluid management device 10 includes a first fixing portion, a second fixing portion, a first matching portion and a second matching portion, the first fixing portion is fixedly connected or connected in a limited manner with the first matching portion, the second fixing portion is fixedly connected or connected in a limited manner with the second matching portion, in this embodiment, the communicating portion 330 is fixed to the second block 316 through a bolt, the communicating portion 330 is fixed to the fourth block 317 through a bolt, and the communicating portion 330 of the fluid management module is respectively fixedly connected to the second block 316 and the fourth block 317, so that the first fluid management module 310 and the second fluid management module 320 are fixedly connected through the communicating portion 330, and thus, the communicating portion 330 not only has a communicating function, but also has a fixed connection function. One of the first fixing portion and the first matching portion is located in the communicating portion 330, and the other is located in the second block body 316, and one of the second fixing portion and the second matching portion is located in the communicating portion 330, and the other is located in the fourth block body 317.

In the first operation mode of the fluid management device 10, the first valve spool 313 connects the first valve cavity 3133 with the first gas-liquid separation cavity 3161 through the first throttle cavity 3131', the valve member 340 does not connect the second communication cavity 3313 with the first communication cavity 3312, and the relatively gaseous refrigerant of the first gas-liquid separation cavity 3161 flows out of the fluid management device 10 through a first connection port, which is an outlet of the fluid management device 10; in the second operation mode, the first valve spool 313 prevents the first valve chamber 3133 from communicating with the first gas-liquid separation chamber 3161, the second valve spool 315 allows the second valve chamber 3153 to communicate with the second gas-liquid separation chamber 3171 via the second orifice chamber 3151', and the valve member 340 allows the first communication chamber 3312 to communicate with the second communication chamber 3313 in one direction, where the first communication port is one outlet of the fluid management device 10.

Of course, the fluid management device 10 may be provided without the communication portion 330, with the first gas channel 3163 having an outlet in the second block 316 or in a tube or block connected to the second block 316, and the second gas channel 3173 having an outlet in the fourth block 317 or in a tube or block connected to the fourth block 317.

An embodiment of the invention also provides a thermal management system comprising a compressor 1, a fluid management device 10, a first heat exchanger 2 and a second heat exchanger 3, wherein the compressor 1 has an outlet 11, a first inlet 12 and a second inlet 13, the first inlet 12 being a relatively high pressure inlet and the second inlet 13 being a relatively low pressure inlet. Specifically, the outlet of the compressor 1 is communicated with the fifth port 1005, one port of the first heat exchanger 2 is communicated with the second port 1002, the other port of the first heat exchanger 2 is communicated with the first port 1001, or the second port 1002 can be communicated with the first port 1001 through the first heat exchanger 2, the third port 1003 is communicated with the first inlet 12 of the compressor 1, one port of the second heat exchanger 3 is communicated with the fourth port 1004, the other port of the second heat exchanger 3 is communicated with the seventh port 1007, or the fourth port 1004 can be communicated with the seventh port 1007 through the second heat exchanger 3, and the sixth port 1006 is communicated with the second inlet 13 of the compressor 1. The compressor 1, the first heat exchanger 2 and the second heat exchanger 3 are respectively provided with a port communicated with the fluid management device 10, or the heat management system is communicated with the compressor 1, the first heat exchanger 2 and the second heat exchanger 3 through the fluid management device 10, the connection relationship of the heat management system is relatively simple, and the installation steps can be reduced.

In this embodiment, the first heat exchanger 2 is located in the front module of the vehicle for heat exchange with ambient air, absorbing heat from the ambient air or releasing heat into the ambient air, and the second heat exchanger 3 is located in the air conditioning compartment for regulating the temperature of the passenger compartment. The thermal management system further comprises a radiator and a first pump, wherein the second flow passage of the first heat exchange module 120 and the first pump are in serial communication with the radiator, and the radiator is located in the air conditioning box and used for adjusting the temperature of the passenger compartment. The thermal management system further comprises a second pump and a battery cooler, wherein the second flow channel of the second heat exchange module 110, the second pump and the battery cooler are communicated in series, and the battery cooler is used for adjusting the temperature of the battery.

The thermal management system includes a heating mode in which the fluid management device 10 is in a first mode of operation and a cooling mode. Specifically, the refrigerant with high temperature and high pressure releases heat in the first heat exchange module 120, and then the refrigerant enters the first valve cavity 3133 of the first fluid management module 310 through the first communication channel 250 of the connection member 200, the first valve core 313 makes the first throttling cavity 3131' communicate with the first valve cavity 3133 and the first gas-liquid separation cavity 3161, the refrigerant after being throttled and decompressed is subjected to gas-liquid separation in the first gas-liquid separation cavity 3161, the refrigerant in a relatively gas state enters the first inlet 12 of the compressor 1 through the third port 1003, the refrigerant in a relatively liquid state enters the first heat exchanger 2 through the second port 1002 and is evaporated and absorbed in the first heat exchanger 2, the refrigerant flowing out of the first heat exchanger 2 enters the first port 1001 of the fluid management device 10, the valve unit 400 opens the third sub-channel 262, the refrigerant enters the air-dividing chamber through the second sub-channel 262, and enters the second inlet 13 of the compressor 1 through the sixth port 1006 to participate in the next cycle. The throttled refrigerant is subjected to gas-liquid separation in the first gas-liquid separator, and then enters the compressor 1 in a relatively gaseous state for refrigeration, so that the effect of increasing gas and enthalpy of the whole heat management system is achieved, and the performance of the heat management system can be improved. In the cooling mode, the fluid management device 10 is in the second operation mode, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the first valve cavity 3133 of the first fluid management module 310 through the first heat exchange module 120 and the first communication channel 250, the first valve spool 313 connects the first communication channel 3132 with the first valve cavity 3133 and the second port 1002, the high-temperature and high-pressure refrigerant releases heat in the first heat exchanger 2, the refrigerant enters the second sub-channel 262 of the connection member 200 through the first port 1001 and then enters the second valve cavity 3153, the second valve spool 315 connects the second throttling cavity 3151' with the second valve cavity 3153 and the second gas-liquid separation cavity 3171, the relatively gaseous refrigerant enters the first inlet 12 of the compressor 1 through the third port 1003, the relatively liquid refrigerant enters the second heat exchanger 3 through the fourth port 1004 and evaporates and absorbs heat in the second heat exchanger 3, the refrigerant enters the gas sub-liquid separation cavity through the seventh port 1007, and then enters the second inlet 13 of the compressor 1 through the sixth port 1006 to participate in the next cycle. After the throttled refrigerant is subjected to gas-liquid separation in the second gas-liquid separation cavity, the refrigerant enters the compressor 1 in a relatively gaseous state, so that the effects of increasing gas and supplementing enthalpy on the whole heat management system are achieved, and the performance of the heat management system can be improved. It can be known that the thermal management system of the embodiment has the functions of increasing air and supplementing enthalpy in the cooling mode and the heating mode, and the performance of the thermal management system is improved.

In addition, the thermal management system further includes a battery cooling mode, in which the fluid management device 10 is in a second operation mode, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the first valve cavity 3133 of the first fluid management module 310 through the first heat exchange module 120 and the first communication passage 250, the first valve spool 313 makes the first communication passage 3132 communicate with the first valve cavity 3133 and the second port 1002, the high-temperature and high-pressure refrigerant releases heat in the first heat exchanger 2, and then the refrigerant enters the connection member 200 through the first port 1001, at which time, the valve unit 400 closes the third sub-passage 262, the second valve spool 315 makes the second throttling cavity 3151' communicate with the second valve cavity 3153 and the second gas-liquid separation cavity 3171, the relatively gaseous refrigerant enters the first inlet 12 of the compressor 1 through the third port 1003, the relatively liquid refrigerant enters the second heat exchanger 3 through the fourth port 1004 and evaporates and absorbs heat in the second heat exchanger 3, refrigerant enters the air-dividing chamber through a seventh port 1007, and then enters a second inlet 13 of the compressor 1 through a sixth port 1006 to participate in the next cycle; the throttling unit 500 is opened, the throttling unit 500 throttles the pressure-reduced refrigerant and then enters the second heat exchange module 110, the refrigerant evaporates and absorbs heat in the second heat exchange module 110, the refrigerant enters the air distribution chamber through the third communication channel 270, and then enters the second inlet 13 of the compressor 1 through the sixth port 1006 to participate in the next cycle. In other embodiments, the second valve spool 315 does not communicate the second valve chamber 3153 with the fourth port 1004, and the second valve spool 315 does not communicate the second valve chamber 3153 with the second gas-liquid separation chamber 3171, and in this case, the second heat exchanger 3 does not participate in heat exchange.

It should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention may be modified or substituted by equivalents, and all technical solutions and modifications which do not depart from the spirit and scope of the present invention should be covered by the claims of the present invention.

Claims

1. A fluid management device comprises a fluid management module, a connecting piece and a fluid management component, wherein the fluid management module is fixedly connected or in limited connection with the connecting piece, the connecting piece comprises a mounting part, the mounting part is provided with a mounting hole, and at least part of the fluid management component is positioned in the mounting hole; the fluid management device is provided with a communication channel, at least part of the communication channel is positioned on the connecting piece, the communication channel comprises a first communication channel and a second communication channel, the fluid management component can adjust the opening and/or the switch of the second communication channel, and the second communication channel comprises a first sub-channel, a second sub-channel and a third sub-channel;

2. The fluid management device of claim 1, wherein the fluid management module comprises a first fluid management module and a second fluid management module, the fluid management component comprises a valve unit, the mounting hole comprises a first mounting hole, at least a portion of the valve unit is located in the first mounting hole, the valve unit is capable of opening and closing the third sub-passage, the fluid management device has a first operating mode and a second operating mode, in the first operating mode, the first valve core connects the first throttling chamber with the first valve chamber and the first gas-liquid separation chamber, and the valve unit opens the third sub-passage; in the second working mode, the second valve core enables the second throttling cavity to be communicated with the second valve cavity and the second gas-liquid separation cavity, and the valve unit closes the third sub-channel.

3. The fluid management device according to claim 2, wherein the fluid management member comprises a throttling unit, the mounting hole comprises a second mounting hole, at least part of the throttling unit is positioned in the second mounting hole, and the throttling unit can adjust the opening degree of the first sub-channel; the first valve core is provided with a first communicating channel, in the second working mode, the first communicating channel is communicated with the first valve cavity and one outlet of the first fluid management module through the first valve core, the first valve cavity is not communicated with the first gas-liquid separation cavity through the first valve core, and the first sub-channel is opened or closed through the throttling unit.

4. The fluid management device according to any one of claims 1 to 3, wherein the fluid management device comprises a heat exchange module, the heat exchange module is fixedly connected or connected in a limited manner with the connecting member, the heat exchange module comprises at least one of a first heat exchange module and a second heat exchange module, the first heat exchange module and the second heat exchange module respectively have a first flow channel, the first flow channel of the first heat exchange module is communicated with the first communicating channel, and the first flow channel of the second heat exchange module is communicated with the first sub-channel.

5. The fluid management device according to claim 4, comprising a second heat exchange module, wherein the connector has a third communication channel, the third communication channel is communicated with the first flow channel of the second heat exchange module, the connector has a first interface, and the third communication channel and the third sub-flow channel are communicated with the first interface;

the fluid management device comprises a gas-liquid separation part, the gas-liquid separation part is fixedly connected or in limited connection with the connecting piece, the first connecting port faces the gas-liquid separation part, the third communicating channel is communicated with a gas distribution cavity of the gas-liquid separation part, and the third sub-flow channel is communicated with the gas distribution cavity of the gas-liquid separation part.

6. The fluid management device according to any one of claims 1 to 5, wherein the fluid management module comprises a first fluid management module and a second fluid management module, the fluid management device has a first port, a second port, a third port and a fourth port, the first port is located on the connecting member, the first port is communicated with the second communicating channel, the second port is located on the first fluid management module, the first valve core can enable the first communicating channel or the first throttling cavity to be communicated with the first valve cavity and the second port, and the first gas-liquid separation cavity is communicated with the second port; the first gas-liquid separation cavity and the second gas-liquid separation cavity are communicated with the third port;

the fourth port is located in the second fluid management module, the second valve spool is provided with a second communication passage, the second valve spool can enable the second communication passage or the second throttling cavity to be communicated with the second valve cavity and the fourth port, and the second gas-liquid separation cavity is communicated with the fourth port.

7. The fluid management device according to claim 6, wherein the heat exchange module comprises a first heat exchange module, the fluid management device comprises a gas-liquid separation portion, the fluid management device has a fifth port, a sixth port and a seventh port, the fifth port is located in the first heat exchange module, the fifth port is communicated with the first flow passage of the first heat exchange module, the sixth port and the seventh port are located in the gas-liquid separator portion, and the sixth port and the seventh port are communicated with the gas separation chamber.

8. A thermal management system comprising a compressor, a fluid management device according to any of claims 1-7, the fluid management device having a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, and a seventh port, the outlet of the compressor being in communication with the fifth port, the first heat exchanger being in communication with the second port, the first port, the third port being in communication with a first inlet of the compressor, the second heat exchanger being in communication with the fourth port, the seventh port, and the sixth port being in communication with a second inlet of the compressor.

9. The thermal management system of claim 8, wherein the fluid management device comprises a throttling unit and a valve unit, the thermal management system comprising a heating mode and a cooling mode, wherein in the heating mode, the first valve spool connects the first throttling chamber with the first valve chamber and the first gas-liquid separation chamber, and the valve unit opens the third sub-passage; in the refrigeration mode, the first valve core enables the first communicating channel to be communicated with the first valve cavity and the second port, the first valve core enables the first valve cavity and the first gas-liquid separation cavity not to be communicated, the second valve core enables the second throttling cavity to be communicated with the second valve cavity and the second gas-liquid separation cavity, and the valve unit closes the third sub-channel.

10. The thermal management system of claim 9, comprising a battery cooling mode in which the first valve spool communicates the first communication passage with the first valve chamber and the second port, the valve unit closes the third sub-passage, and the throttle unit opens; the second valve core enables the second throttling cavity to be communicated with the second valve cavity and the second gas-liquid separation cavity, or the second valve core enables the second valve cavity to be not communicated with the fourth port, and the second valve core enables the second valve cavity to be not communicated with the second gas-liquid separation cavity.