Fluid management device and thermal management system

Abstract

The fluid management device and thermal management system provided in the embodiments of the present application include a fluid management module, a connector and a fluid management component. The fluid management module is fixedly connected or limit-connected to the connector, and at least part of the fluid management component is located in the mounting hole. The fluid management device has a connecting channel, and at least part of the connecting channel is located in the connecting member. The connecting channel includes a first connecting channel and a second connecting channel. The second connecting channel includes a first sub-channel, a second sub-channel and a third sub-channel. The fluid management component can adjust the opening and / or switch of the second connecting channel; the second sub-channel is connected to the second valve cavity of the second fluid management module, and the first connecting channel is connected to the first valve cavity of the first fluid management module. This can relatively reduce the pipeline connections between functional components, which is beneficial to optimizing the thermal management system.

Description

Technical Field

[0001] The present invention relates to the technical field of fluid management, and in particular to a fluid management device and a thermal management system. Background Art

[0002] The thermal management system includes some functional components, which are placed in different positions, or distributed in different positions of the thermal management system. The functional components need to be connected to form a thermal management system through pipes. The pipes between the functional components are the paths for fluid flow. It is a technical problem to propose a fluid management component and a thermal management system, which will help optimize the thermal management system. Summary of the invention

[0003] The purpose of this application is to provide a fluid management device and a thermal management system to help solve the above problems.

[0004] One embodiment of the present application provides a fluid management device, comprising a fluid management module, a connector and a fluid management component, wherein the fluid management module is fixedly connected or position-limitedly connected to the connector, the connector comprises a mounting portion, the mounting portion has a mounting hole, and at least part of the fluid management component is located in the mounting hole; the fluid management device comprises a communication channel, at least part of the communication channel is located in the connector, the communication channel comprises a first communication channel and a second communication channel, the fluid management component can adjust the opening and / or 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;

[0005] The fluid management module includes at least one of a first fluid management module and a second fluid management module, the first fluid management module includes a first valve core, the fluid management module has a first throttling chamber, a first valve chamber and a first gas-liquid separation chamber, the first valve core is located in the first valve chamber, the first valve core can make the first throttling chamber connect to the first valve chamber and the first gas-liquid separation chamber, and the first connecting channel is connected to the first valve chamber; the second fluid management module includes a second valve core, the fluid management module has a second throttling chamber, a second valve chamber and a second gas-liquid separation chamber, the second valve core is located in the second valve chamber, the second sub-channel is connected to the second valve chamber, and the second valve core can make the second throttling chamber connect to the second valve chamber and the second gas-liquid separation chamber.

[0006] 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, the fluid management device is the above-mentioned fluid management device, 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, the outlet of the compressor is connected to the fifth port, the first heat exchanger is connected to the second port and the first port, the third port is connected to the first inlet of the compressor, the second heat exchanger is connected to the fourth port and the seventh port, and the sixth port is connected to the second inlet of the compressor.

[0007] The fluid management device and thermal management system provided in the embodiments of the present application include a fluid management module, a connector and a fluid management component. The fluid management module is fixedly connected or limit-connected to the connector, and at least part of the fluid management component is located in the mounting hole. The fluid management device has a connecting channel, and at least part of the connecting channel is located in the connecting member. The connecting channel includes a first connecting channel and a second connecting channel. The second connecting channel includes a first sub-channel, a second sub-channel and a third sub-channel. The fluid management component can adjust the opening and / or switch of the second connecting channel; the second sub-channel is connected to the second valve cavity of the second fluid management module, and the first connecting channel is connected to the first valve cavity of the first fluid management module. This can relatively reduce the pipeline connections between functional components, which is beneficial to optimizing the thermal management system. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 is a schematic diagram of a three-dimensional structure of a first embodiment of a fluid management device from one viewing angle;

[0009] Figure 2 yes Figure 1 A schematic diagram of a three-dimensional structure of the fluid management device from another perspective;

[0010] Figure 3 yes Figure 1 A schematic diagram of an exploded structure of a fluid management device from one perspective;

[0011] Figure 4 yes Figure 1 A schematic diagram of an exploded structure of a fluid management device from another perspective;

[0012] Figure 5 yes Figure 1 A schematic diagram of the three-dimensional structure of the middle connecting piece from one perspective;

[0013] Figure 6 yes Figure 4 A schematic diagram of the three-dimensional structure of the middle connecting piece from another perspective;

[0014] Figure 7 yes Figure 5A perspective structural diagram of the middle connector;

[0015] Figure 8 is a schematic diagram of a three-dimensional structure of a second embodiment of a fluid management device from one viewing angle;

[0016] Fig. 9 yes Figure 8 A schematic diagram of a three-dimensional structure of the fluid management device from another perspective;

[0017] Fig.10 yes Figure 1 A schematic top view of the fluid management module;

[0018] Fig.11 yes Fig.10 Schematic diagram of the cross-sectional structure along AA;

[0019] Fig.12 It is a connection diagram of a thermal management system. DETAILED DESCRIPTION

[0020] The fluid management device of the technical solution of the present invention can have multiple implementation modes, at least one of which can be applied to a vehicle thermal management system, and at least one of which can be applied to other thermal management systems such as a household thermal management system or a commercial thermal management system. The following is an explanation using the fluid management device applied to a vehicle thermal management system as an example with reference to the accompanying drawings. The fluid is a refrigerant, including R134a or CO2 or other forms of refrigerant.

[0021] See also Figure 1-Figure 11The fluid management device 10 includes a fluid management component, a fluid management module 300 and a connector 200. The fluid management module 300 is fixedly connected or position-limitedly connected to the connector 200. The connector 200 includes a mounting portion 280, which does not have a mounting hole. At least 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, and the second mounting portion has a second mounting hole 282. At least part of the valve unit 400 is located in the first mounting hole 281. The valve unit 400 is fixedly connected or position-limitedly connected to the first mounting portion. At least part of the throttling unit 500 is located in the second mounting hole 282. The throttling unit 500 is fixedly connected or position-limitedly connected to the second mounting portion. The fluid management device 10 has a connecting channel, at least part of which is located in the connecting piece 200, and the fluid management component is capable of adjusting the opening and / or switch of the second connecting channel. Specifically, the connecting channel includes a first connecting channel 250 and a second connecting channel 260, and the second connecting channel 260 includes a first sub-channel 261, a second sub-channel 262 and a third sub-channel 263. The wall of the second mounting part has a port, and the port of the second mounting part is connected to the first sub-channel 261. The throttling unit 500 is capable of adjusting the opening of the first sub-channel 261, and the wall of the first mounting part has a port, and the port of the first mounting part is connected to the third sub-channel 263. The valve unit 400 is capable of opening and closing the third sub-channel 263. 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 includes a first valve core 313. The fluid management module 300 has a first throttling chamber 3131', a first valve chamber 3133 and a first gas-liquid separation chamber 3161. The first valve core 313 is located in the first valve chamber 3133. The second fluid management module 320 includes a second valve core 315. The fluid management module 300 has a second throttling chamber 3151', a second valve chamber 3153 and a second gas-liquid separation chamber 3171. The second valve core 315 is located in the second valve chamber 3153. The first communication channel 250 is connected to the first valve chamber 3133, and the second sub-channel 262 is connected to the second valve chamber 3153. The fixed connection or limited connection mentioned here includes connection methods 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 limit-connected to the connecting piece 200. The fluid management device 10 has a first connecting channel 250 connected to the first fluid management module 310. The fluid management device 10 has a second sub-channel 262 connected to the second fluid management module 320. The valve unit 400 can open and close the third sub-channel 263, and the throttling unit 500 can adjust the opening of the first sub-channel 261.In this embodiment, the fluid management device 10 includes a valve unit 400 and a throttling unit 500, and 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 working, the fluid management device 10 includes a first working mode and a second working mode. In the first working mode, the first valve core 313 makes the first throttling chamber 3131' connect the first valve chamber 3133 and the first gas-liquid separation chamber 3161, and the valve unit 400 opens the third sub-channel 263; in the second working mode, the second valve core 315 makes the second throttling chamber 3151' connect the second valve chamber 3153 and the second gas-liquid separation chamber 3171, and the valve unit 400 closes the third sub-channel 263. The connecting channel is located in the connector 200, which is conducive to preventing internal leakage and miniaturization of the fluid management device 10. The first valve core and the second valve core can be collectively referred to as valve cores, the first valve chamber and the second valve chamber can be collectively referred to as valve chambers, and the first gas-liquid separation chamber and the second gas-liquid separation chamber can be collectively referred to as gas-liquid separation chambers. In other embodiments, the fluid management component may also include a valve unit or a throttling unit, and correspondingly, the mounting portion has a first mounting hole corresponding to the valve unit, or the mounting portion has a second mounting hole corresponding to the throttling unit.

[0022] See also Figure 3-Figure 6 , Figure 9-11The fluid management device includes a block. In a specific embodiment, the block includes a first block 311, a second block 316, a third block 312 and a fourth block 317, wherein the first fluid management module 310 includes the first block 311 and the second block 316, the first block 311 is fixedly connected or position-limitedly connected to the second block 316, the first block 311 is fixedly connected or position-limitedly connected to the connector 200, in this embodiment, the connector 200 is connected to the first block 311 by bolts, the first block 311 has an opening toward the connector 200, and the first connecting channel 250 is connected to the first valve chamber 3133. The first valve chamber 3133 is located in the first block 311, and at least part of the first gas-liquid separation chamber 3161 is located in the second block 316. The first fluid management module 310 has a first channel 3162, and at least part of the first channel 3162 is located in the second block 316. The first channel 3162 is connected to the first gas-liquid separation chamber 3161, and the first channel 3162 has an opening toward the first valve core 313. The first valve core 313 has a first groove 3131. The first groove 3131 cooperates with the valve seat of the first fluid management module 310 to form a first throttling chamber 3131'. The first valve core 313 is spherical, quasi-spherical or cylindrical. The second fluid management module 320 includes a third block 312 and a fourth block 317. The third block 312 is fixedly connected or limitedly connected to the fourth block 317. The third block 312 is fixedly connected or limitedly connected to the connecting member 200. The connecting member 200 is connected to the third block 312 by bolts. The third block 312 has an opening toward the connecting member 200. The second sub-channel 262 is connected to the second valve chamber 3153. The second valve chamber 3153 is located in the third block 312. At least part of the second gas-liquid separation chamber 3171 is located in the In the fourth block 317, the first fluid management module 310 has a second channel 3172, at least part of the second channel 3172 is located in the fourth block 317, the second channel 3172 is connected to the second gas-liquid separation chamber 3171, the second channel 3172 has an opening toward the second valve core 315, the second valve core 315 has a second groove 3151, the second groove 3151 cooperates with the valve seat of the second fluid management module 320 to form a second throttling chamber 3151', and the second valve core 315 is spherical or quasi-spherical or cylindrical. In this embodiment, when the fluid management device 10 is working, after the refrigerant throttled by the first throttling chamber 3131' enters the first gas-liquid separation chamber 3161 through the first channel, the refrigerant rotates centrifugally in the first gas-liquid separation chamber 3161. Similarly, after the refrigerant throttled by the second throttling chamber 3151' enters the second gas-liquid separation chamber 3171 through the second channel, the refrigerant rotates centrifugally in the second gas-liquid separation chamber 3171. In other embodiments, the gas-liquid separation method of the fluid management module 300 may also be other forms, which 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 discharge of the refrigerant after gas-liquid separation from 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 discharge of the refrigerant after gas-liquid separation from the second fluid management module 320.

[0023] When the fluid management device 10 is working, in the first working mode, the first valve core 313 makes the first throttling chamber 3131' communicate 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 channel 3163, and the relatively liquid refrigerant leaves the fluid management device 10 through the first liquid channel 3164, the valve unit 400 opens the third sub-channel 263, the throttling unit 500 closes the second sub-channel 262, and the second valve core 315 makes the second valve chamber 3153 and the second gas-liquid separation chamber 3171 not communicated; in the second working mode The first valve core 313 disconnects the first valve chamber 3133 from the first gas-liquid separation chamber 3161, and the second valve core 315 connects the second throttling chamber 3151' to the second valve chamber 3153 and the second gas-liquid separation chamber 3171. The valve unit 400 closes the third sub-channel 263, and the relatively gaseous refrigerant leaves the fluid management device 10 through the second gas channel 3173, and the relatively liquid refrigerant leaves the fluid management device 10 through the second liquid channel 3174. The throttling unit 500 can be opened to throttle and reduce the pressure of the refrigerant in the first sub-channel 261, or the throttling unit 500 is not opened. Furthermore, the first valve core 313 also has a first conduction channel 3132, and the first conduction channel 3132 has at least two openings on the outer wall of the first valve core 313. In the second working mode of the fluid management device 10, the first valve core 313 enables the first conduction channel 3132 to connect the first valve chamber 3133 and an outlet of the first fluid management module 310, that is, the second opening 1002. The first valve core 313 disconnects the first valve chamber 3133 from the first gas-liquid separation chamber 3161. The second communication channel 260 is an inlet channel of the fluid management device 10. The second communication channel has an opening on the connecting piece, that is, the first opening 1001. Similarly, the second valve core 315 has a second conduction channel 3152, and the second conduction channel 3152 has at least two openings on the outer wall of the second valve core 315. The second valve core 315 can enable the second conduction channel 3152 to connect the second valve chamber 3153 and an outlet of the second fluid management module 320, that is, the fourth opening 1004.

[0024] The first fluid management module 310 includes a first control unit 318. When the first fluid management module 310 is working, the first control unit 318 can drive the first valve core 313 to rotate. The first control unit 318 includes a first valve stem that is transmission-connected to the first valve core 313. The first fluid management module 310 includes a second control unit 321. The second control unit 321 includes a second valve stem that is transmission-connected to the second valve core 315. Correspondingly, the first block 311 includes a first valve stem hole portion, the first valve stem hole portion has a first valve stem hole, a portion of the first valve stem is located in the first valve stem hole, and the first valve stem is dynamically sealed with the first valve stem hole portion. Similarly, the third block 312 includes a second valve stem hole portion, the second valve stem hole portion has a second valve stem hole, a portion of the second valve stem is located in the second valve stem hole, and the second valve stem is dynamically sealed with the second valve stem hole portion.

[0025] See also Figure 1-Figure 4The fluid management device 10 includes a heat exchange module 100, which includes a plurality of stacked plates, and the stacking direction of the plates is defined as a first direction. The connector 200 includes a first side portion 210 and a second side portion 220. Along the first direction, the first side portion 210 is located on one side of the connector 200, and the second side portion 220 is located on the other side of the connector 200. 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 connector 200. The heat exchange module 100 is fixedly connected or position-limitedly connected to the first side portion 210, and the block of the fluid management module 300 is fixedly connected or position-limitedly connected to the second side portion 220. The heat exchange module 100 may include at least one of a first heat exchange module 120 and a second heat exchange module 110. In the present embodiment, the heat exchange module 100 includes the second heat exchange module 110 and the first heat exchange module 120, wherein the first heat exchange module 120 and the second heat exchange module 110 are both plate heat exchangers, the connecting piece 200 has a third connecting channel 270, the first heat exchange module 120 has a first flow channel and a second flow channel, the second heat exchange module 110 also has a first flow channel and a second flow channel, the first connecting channel 250 has an opening toward the first heat exchange module 120 on the first side portion 210, the first flow channel of the first heat exchange module 120 is connected with the first connecting channel 250, the first connecting channel 250 has an opening toward the first block 311 on the second side portion 220, and the first connecting channel 250 is connected with the first valve cavity 3133, so that the first flow channel of the first heat exchange module 120 is connected with the first valve cavity 3133 through the first connecting channel 250. The first sub-channel 261 has an opening on the first side portion 210 toward the second heat exchange module 110, and the first flow channel of the second heat exchange module 110 is in communication with the first sub-channel 261. The third communication channel 270 has an opening on the first side portion 210 toward the second heat exchange module 110, and the first flow channel of the second heat exchange module 110 is in communication with the third communication channel 270. In other words, the first sub-channel 261 is in communication with the third communication channel 270 through the first flow channel of the second heat exchange module 110. The second sub-channel 262 has an opening on the second side portion 220 toward the third block 312, and the second sub-channel 262 is in communication with the second valve chamber 3153. The fluid management module is located on one side of the connector 200, and the heat exchange module 100 is located on the other side of the connector 200. The fluid management module 300 and the heat exchange module 100 are located on different sides of the connector 200. This is beneficial to reducing the volume of the fluid management module, and the center of mass of the fluid management device 10 is relatively close to the connector 200, so the fluid management device 10 is also more stable. In addition, the heat exchange module and the fluid management module are located on different sides of the connector 200, which is also beneficial to prevent the heat exchange module 100 from interfering with the fluid management module during heat exchange.In this embodiment, when the fluid management device 10 is working, 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 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 coolant.

[0026] The connecting member 200 includes a third side portion 230, wherein the first side portion 210 is located at one side of the third side portion 230 along the first direction, and the second side portion 220 is located at the other side opposite to the third side portion 230, wherein the first mounting hole 281 has an opening in the wall of the third side portion 230, and the second mounting hole 282 also has an opening in the wall of the third side portion 230. The connecting member 200 includes a fourth side portion 240, wherein the first side portion 210 is located at one side of the fourth side portion 240 along the first direction, and the second side portion 220 is located at the other side opposite to the fourth side portion 240, and the third side portion 230 is located above the fourth side portion along the gravity direction, so that part of the valve unit 400 and part of the throttling unit 500 are located above the third side portion 230. The fluid management device 10 includes a gas-liquid separation portion 600, the gas-liquid separation portion 600 is fixedly connected or limitedly connected to the fourth side portion 240, the gas-liquid separation portion 600 has a gas separation cavity, the third connecting channel 270 has an opening toward the gas-liquid separation portion 600 at the fourth side portion 240, and the third connecting channel 270 is connected to the gas separation cavity. Specifically, the fluid management device 10 has a first interface 201, the first interface 201 is located at the fourth side portion 240, the first interface 201 is connected to the third sub-channel 263, and the first interface 201 is connected to the third connecting channel 2 70 is connected, and the first interface 201 is toward the gas-liquid separation part 600. In this way, the refrigerant entering the fluid management device 10 from the second connecting channel 260 can enter the gas-liquid separation part 600 through the valve unit 400, and the refrigerant entering the fluid management device 10 from the second connecting channel 260 can also enter the gas-liquid separation part 600 through the throttling unit 500, the second heat exchange module 110, and the third connecting channel 270. The refrigerant entering the fluid management device 10 from the second connecting channel 260 can enter the second valve chamber 3153 through the second sub-channel 262.

[0027] See also Figure 1-Figure 4 , Figure 6-Figure 8 and Fig.11The 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 connected to the first flow channel of the first heat exchange module 120. In the present embodiment, the fifth port 1005 is located in the first heat exchange module 120 or in a tube or block fixedly connected or limit-connected to the first heat exchange module 120. The first port 1001 is located on the third side 230, the first port 1001 is connected to the second connecting channel 260, the valve unit 400 can open and close the connecting channel between the first port 1001 and the gas separation chamber, the first port 1001 can be connected to the first flow channel of the first heat exchange module 120 through the throttling unit 500, the first port 1001 is connected to the second sub-channel 262, the first port 1001 can be connected to the second valve chamber 3153 through the second sub-channel 262. Of course, the first port 1001 can also be located on a tube or block fixedly connected or limit-connected to the connecting piece 200, which will not be described in detail. The second port 1002 is located in the first block 311, and the first block 311 has a channel connecting the second port 1002 and the first valve chamber 3133. The first valve core 313 can make the first throttling chamber 3131' or the first conducting channel 3132 connect the first valve chamber 3133 and the second port 1002. In this embodiment, the first liquid channel 3174 is also connected to the second port 1002, and the liquid refrigerant after gas-liquid separation in 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 channel connecting the second valve chamber 3153 and the fourth port 1004. The first valve core 313 can make the second throttling chamber 3151' or the second conducting channel 3152 connect the second valve chamber 3153 and the fourth port 1004. The second liquid channel is also connected to the fourth port 1004. The liquid refrigerant after gas-liquid separation in the second gas-liquid separation chamber 3171 can flow into the fluid management device 10 through 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 connected to the third port 1003. The relatively gaseous refrigerant after gas-liquid separation in the first gas-liquid separation chamber 3161 can be discharged from the fluid management device 10 through the third port 1003. The relatively gaseous refrigerant after gas-liquid separation in the second gas-liquid separation chamber 3171 can be discharged from the fluid management device 10 through the third port 1003. The seventh port 1007 is an inlet of the gas-liquid separation part 600 , and the sixth port 1006 is an outlet of the gas-liquid separation part 600 . In the present embodiment, the sixth port 1006 and the seventh port 1007 are both located in the gas-liquid separation part 600 .In a more specific embodiment, along the direction of gravity, 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 face upward, which facilitates the connection of the fluid management device 10 with other components or pipes in the thermal management system.

[0028] See also Figure 9-11The fluid management module 300 includes a connecting portion 330, which is fixedly connected or position-limitedly connected to the block. The fixed connection here includes that the connecting portion 330 and the block are an integral structure. In this embodiment, the block includes a fourth block 317 and a second block 316, and the second block 316 is fixedly connected or position-limitedly connected to the connecting portion 330. The fourth block 317 is fixedly connected or position-limitedly connected to the connecting portion 330. In other embodiments, the connecting portion 330 may also be an integral structure with at least one of the second block 316 and the fourth block 317. The connecting portion 330 includes a receiving portion, which has a receiving cavity, and at least part of the valve component 340 is located in the receiving cavity. The valve component 340 is fixedly connected or position-limitedly connected to the receiving portion. In this embodiment, at least part of the first gas channel 3163 is located in the connecting portion 330, and at least part of the second gas channel 3173 is located in the connecting portion 330. Specifically, the connecting portion 330 has a first connecting port, a first connecting cavity 3312, and a second connecting cavity 3313. The first connecting cavity 3312 is a part of the second gas channel 3173, and the second connecting cavity 3313 is a part of the first gas channel 3163. The first connecting port is the third port 1003 of the fluid management device 10 or is connected to the third port 1003. The first connecting cavity 3312 is connected to the second gas-liquid separation cavity. The first connecting port is connected to the second connecting port 3313, and the second connecting port 3313 is connected to the first gas-liquid separation chamber 3171. The valve member 340 can make the first connecting port 3312 unidirectionally communicate with the second connecting port 3313. The first connecting port is connected to the second connecting port 3313. In this way, the relatively gaseous refrigerant in the second gas-liquid separation chamber 3171 can flow out of the fluid management device 10 from the first connecting port through the valve member 340, and the relatively gaseous refrigerant in the first gas-liquid separation chamber 3161 can flow into the fluid management device 10 from the first connecting port. Due to the existence of the valve member 340, it cannot enter the second gas-liquid separation chamber 3171. In this embodiment, along the gravity direction, at least part of the connecting portion 330 is located above the second block 316, and at least part of the connecting portion 330 is located above the fourth block 317; the second block 316 is bolted to the connecting portion 330, and the fourth block 317 is bolted to the connecting portion 330. In this way, the fluid management device 10 has a common gas outlet, which can reduce the interfaces of the fluid management device 10 and facilitate the connection of the fluid management device 10 with other components of the thermal management system. The fluid management device 10 is provided with a valve component 340, which can prevent 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 an integral structure, and the connecting portion 330 is fixedly connected or limitedly connected to one of the second block 316 and the fourth block 317.

[0029] The fluid management device 10 includes a first inserting portion 3316, a second inserting portion 3317, a first accommodating portion 3162, and a second accommodating portion 3172. The first inserting portion 3316 is located in the accommodating cavity of the first accommodating portion 3162, and the first inserting portion 3316 is sealed and connected to the first accommodating portion 3162. The second inserting portion 3317 is located in the accommodating cavity of the second accommodating portion 3172, and the second inserting portion 3317 is sealed and connected to the second accommodating portion 3172. The first inserting portion has a first gas connection cavity connected to the second gas connection cavity. The second inserting part has a channel connecting the first connecting cavity and the second gas-liquid separation cavity, and the first connecting cavity is connected with the second gas-liquid separation cavity; one of the first inserting part 3316 and the first accommodating part 3162 is located in the connecting part 330, and the other is located in the second block 316; one of the second inserting part 3317 and the second accommodating part 3172 is located in the connecting part 330, and the other is located in the fourth block 317. The fluid management device is provided with an inserting part and a corresponding accommodating part, which facilitates the positioning of the connecting part during installation and is conducive to installation.

[0030] In a specific embodiment, the connecting portion 330 includes a first inserting portion 3316 and a second inserting 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 opening of the first conduit portion 3318 faces away from the first inserting portion 3316, the conduit opening of the second conduit portion 3319 faces away from the second inserting portion 3317, the first conduit portion 3318 is an integral structure or fixedly connected or position-limitedly connected with the first inserting portion 3316, and the second conduit portion 3319 is an integral structure or fixedly connected or position-limitedly connected with the second inserting portion 3317. Part of the first gas channel is located in the first conduit portion 3318 and the first inserting portion 3316, and part of the second gas channel is located in the second conduit portion 3319 and the second inserting portion 3317.

[0031] In this embodiment, the valve component 340 is a one-way component, the communication part 330 includes a first hole part 331, at least part of the first communication cavity 3312 is located in the first hole part 331, at least part of the second communication cavity 3313 is located in the first hole part 331, the first hole part 331 includes a receiving part, the communication part 330 has a first communication port 3314 and a second communication port 3315, the first communication port 3314 is located in the wall of the first hole part 331, the second communication port 3315 is located in the wall of the first hole part, the first communication port 3314 is connected to the second gas-liquid separation cavity 3171, the second communication port 3315 is connected to the first gas-liquid separation cavity 3161, along the axis direction of the first hole part 331, the first communication port 3314 is located on one side of the receiving part, and the second communication port 3315 is located on the other side of the receiving part. In other embodiments, the valve component 340 can also be a solenoid valve or a ball valve, which will not be described in detail. Compared with the valve component 340 being a solenoid valve or a ball valve, it has the advantages of convenient installation and low cost, and no electric control is required.

[0032] 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 limitedly connected to the first matching portion, and the second fixing portion is fixedly connected or limitedly connected to the second matching portion. In this embodiment, the connecting portion 330 is fixed to the second block 316 by bolts, and the connecting portion 330 is fixed to the fourth block 317 by bolts. The connecting portion 330 of the fluid management module is fixedly connected to the second block 316 and the fourth block 317 respectively, so that the first fluid management module 310 and the second fluid management module 320 are fixedly connected through the connecting portion 330. In this way, the connecting portion 330 not only has a connecting function, but also has a fixed connection function. One of the first fixing portion and the first matching portion is located at the connecting portion 330, and the other is located at the second block 316. One of the second fixing portion and the second matching portion is located at the connecting portion 330, and the other is located at the fourth block 317. In this embodiment, the first matching portion and the second matching portion are located at the second block 316 and the fourth block 317 respectively.

[0033] In the first working mode of the fluid management device 10, the first valve core 313 makes the first valve chamber 3133 communicate with the first gas-liquid separation chamber 3161 through the first throttling chamber 3131', and the valve component 340 makes the second connecting chamber 3313 disconnected from the first connecting chamber 3312, and the relatively gaseous refrigerant in the first gas-liquid separation chamber 3161 flows out of the fluid management device 10 through the first connecting port, and the first connecting port is an outlet of the fluid management device 10; in the second working mode, the first valve core 313 makes the first valve chamber 3133 disconnected from the first gas-liquid separation chamber 3161, and the second valve core 315 makes the second valve chamber 3153 communicate with the second gas-liquid separation chamber 3171 through the second throttling chamber 3151', and the valve component 340 makes the first connecting chamber 3312 unidirectionally connect to the second connecting chamber 3313, and the first connecting port is an outlet of the fluid management device 10.

[0034] Of course, the fluid management device 10 may also not be provided with the connecting part 330, and the first gas channel 3163 has an outlet in the second block 316 or a tube or block connected to the second block 316 has an outlet, and the second gas channel 3173 has an outlet in the fourth block 317 or a tube or block connected to the fourth block 317 has an outlet.

[0035] One embodiment of the present invention further provides a thermal management system, which includes 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, wherein the first inlet 12 is a relatively high-pressure inlet, and the second inlet 13 is a relatively low-pressure inlet. Specifically, the outlet of the compressor 1 is connected to the fifth port 1005, one port of the first heat exchanger 2 is connected to the second port 1002, and another port of the first heat exchanger 2 is connected to the first port 1001, or the second port 1002 can be connected to the first port 1001 through the first heat exchanger 2, the third port 1003 is connected to the first inlet 12 of the compressor 1, one port of the second heat exchanger 3 is connected to the fourth port 1004, and another port of the second heat exchanger 3 is connected to the seventh port 1007, or the fourth port 1004 can be connected to the seventh port 1007 through the second heat exchanger 3, and the sixth port 1006 is connected to the second inlet 13 of the compressor 1. The compressor 1, the first heat exchanger 2 and the second heat exchanger 3 respectively have ports connected to the fluid management device 10, or in other words, the thermal management system is connected to 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 thermal management system is relatively simple and can also reduce the installation steps.

[0036] In this embodiment, the first heat exchanger 2 is located in the front module of the vehicle, and is used for heat exchange with ambient air, absorbing heat from the ambient air or releasing heat to the ambient air. The second heat exchanger 3 is located in the air conditioning box, and is used to adjust the temperature of the passenger compartment. The thermal management system also includes a radiator and a first pump, wherein the second flow channel of the first heat exchange module 120, the first pump and the radiator are connected in series, and the radiator is located in the air conditioning box and is used to adjust the temperature of the passenger compartment. The thermal management system also includes 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 connected in series, and the battery cooler is used to adjust the temperature of the battery.

[0037] The thermal management system includes a heating mode and a cooling mode. In the heating mode, the fluid management device 10 is in a first working mode. Specifically, the high-temperature and high-pressure refrigerant releases heat in the first heat exchange module 120, and then the refrigerant enters the first valve chamber 3133 of the first fluid management module 310 through the first connecting channel 250 of the connecting piece 200, and the first valve core 313 makes the first throttling chamber 3131' connect the first valve chamber 3133 and the first gas-liquid separation chamber 3161. After the throttling and pressure reduction of the refrigerant, the gaseous refrigerant enters the first inlet 12 of the compressor 1 through the third port 1003, and the liquid refrigerant enters the first heat exchanger 2 through the second port 1002 and evaporates and absorbs heat 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, and the valve unit 400 opens the third sub-channel 263. The refrigerant enters the gas separation chamber through the second sub-channel 262, and enters the second inlet 13 of the compressor 1 from the sixth port 1006 to participate in the next cycle. After the throttled refrigerant is separated into gas and liquid in the first gas-liquid separator, the relatively gaseous refrigeration enters the compressor 1, which has the effect of increasing gas and replenishing enthalpy for the entire thermal management system, and can improve the performance of the thermal management system. In the cooling mode, the fluid management device 10 is in the second working mode, and 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 connecting channel 250. The first valve core 313 connects the first conducting channel 3132 to 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 second subchannel 262 of the connector 200 through the first port 1001. Then it enters the second valve chamber 3153, and the second valve core 315 makes the second throttling chamber 3151' connect the second valve chamber 3153 and the second gas-liquid separation chamber 3171. The relatively gaseous refrigerant enters the first inlet 12 of the compressor 1 through the third port 1003, and 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 separation chamber 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 separated into gas and liquid in the second gas-liquid separation chamber, the relatively gaseous refrigeration enters the compressor 1, which has the effect of increasing gas and replenishing enthalpy for the entire thermal management system, and can improve the performance of the thermal management system. It can be known that the thermal management system of this embodiment has the effect of increasing gas and replenishing enthalpy in both the cooling mode and the heating mode, and the performance of the thermal management system is improved.

[0038] In addition, the thermal management system also includes a battery cooling mode. In the battery cooling mode, the fluid management device 10 is in the second working mode. The high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the first valve chamber 3133 of the first fluid management module 310 through the first heat exchange module 120 and the first connecting channel 250. The first valve core 313 connects the first conducting channel 3132 to the first valve chamber 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 connecting piece 200 through the first port 1001. At this time, the valve unit 400 closes the third sub-channel 263, and the second valve core 315 connects the second throttling chamber 3151' to the second valve chamber 3153 and the second gas-liquid The separation chamber 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 separation chamber 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; the throttling unit 500 is opened, the throttling unit 500 throttles and depressurizes the 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 gas separation chamber through the third connecting 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 core 315 disconnects the second valve chamber 3153 from the fourth port 1004, and the second valve core 315 disconnects the second valve chamber 3153 from the second gas-liquid separation chamber 3171, and at this time, the second heat exchanger 3 does not participate in heat exchange.

[0039] It should be noted that the above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail in this specification with reference to the above embodiments, it should be understood by those skilled in the art that the present invention can still be modified or replaced by equivalents, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A fluid management device, comprising a fluid management module, a connector and a fluid management component, wherein the fluid management module is fixedly connected or position-limitedly connected to the connector, the connector comprises a mounting portion, the mounting portion has a mounting hole, and at least part of the fluid management component is located in the mounting hole; the fluid management device comprises a communication channel, at least part of the communication channel is located in the connector, the communication channel comprises a first communication channel and a second communication channel, the fluid management component can adjust the opening and / or 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 a first fluid management module and a second fluid management module, the first fluid management module comprises a first valve core, the first valve core has a first conducting channel, the fluid management module has a first throttling chamber, a first valve chamber and a first gas-liquid separation chamber, the first valve core is located in the first valve chamber, the first valve core can make the first throttling chamber communicate with the first valve chamber and the first gas-liquid separation chamber, and the first communicating channel is communicated with the first valve chamber; the second fluid management module comprises a second valve core, the fluid management module has a second throttling chamber, a second valve chamber and a second gas-liquid separation chamber, the second valve core is located in the second valve chamber, the second sub-channel is communicated with the second valve chamber, and the second valve core can make the second throttling chamber communicate with the second valve chamber and the second gas-liquid separation chamber; The fluid management device has a first working mode and a second working mode: In the first working mode, the first valve core makes the first throttling chamber communicate with the first valve chamber and the first gas-liquid separation chamber, and the corresponding fluid management component opens the third sub-channel; In the second working mode, the second valve core makes the second throttling chamber connect to the second valve chamber and the second gas-liquid separation chamber, and the corresponding fluid management component closes the third sub-channel; the first valve core makes the first conducting channel connect to the first valve chamber and an outlet of the first fluid management module; the first valve core disconnects the first valve chamber and the first gas-liquid separation chamber, and the corresponding fluid management component opens or closes the first sub-channel.

2. The fluid management device according to claim 1, characterized in that: The fluid management component includes a valve unit, the mounting hole includes a first mounting hole, at least a portion of the valve unit is located in the first mounting hole, and the valve unit is capable of opening and closing the third sub-channel.

3. The fluid management device according to claim 2, characterized in that: The fluid management component includes a throttling unit, the mounting hole includes a second mounting hole, at least a portion of the throttling unit is located in the second mounting hole, and the throttling unit can adjust the opening of the first sub-channel.

4. The fluid management device according to any one of claims 1 to 3, characterized in that: The fluid management device includes a heat exchange module, which is fixedly connected or limit-connected to the connecting piece. The heat exchange module includes 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 connected to the first connecting channel, and the first flow channel of the second heat exchange module is connected to the first sub-channel.

5. The fluid management device according to claim 4, characterized in that: The fluid management device includes a second heat exchange module, the connecting member has a third communication channel, the third communication channel is communicated with the first flow channel of the second heat exchange module, the connecting member has a first interface, the third communication channel and the third sub-channel are communicated with the first interface; The fluid management device includes a gas-liquid separation part, which is fixedly connected or limit-connected to the connecting piece, the first interface faces the gas-liquid separation part, the third connecting channel is connected to the gas separation cavity of the gas-liquid separation part, and the third sub-channel is connected to the gas separation cavity of the gas-liquid separation part.

6. The fluid management device according to any one of claims 1 to 3 and 5, characterized in that: 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 at the connecting piece, the first port is communicated with the second communication channel, the second port is located at the first fluid management module, the first valve core can make the first conduction channel or the first throttling chamber communicate with the first valve chamber and the second port, the first gas-liquid separation chamber is communicated with the second port; the first gas-liquid separation chamber, the second gas-liquid separation chamber are communicated with the third port; The fourth port is located in the second fluid management module, the second valve core has a second conducting channel, the second valve core can make the second conducting channel or the second throttling chamber connected to the second valve chamber and the fourth port, and the second gas-liquid separation chamber is connected to the fourth port.

7. The fluid management device according to claim 4, characterized in that: 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 at the connecting piece, the first port is communicated with the second communication channel, the second port is located at the first fluid management module, the first valve core can make the first conduction channel or the first throttling chamber communicate with the first valve chamber and the second port, the first gas-liquid separation chamber is communicated with the second port; the first gas-liquid separation chamber, the second gas-liquid separation chamber are communicated with the third port; The fourth port is located in the second fluid management module, the second valve core has a second conducting channel, the second valve core can make the second conducting channel or the second throttling chamber connected to the second valve chamber and the fourth port, and the second gas-liquid separation chamber is connected to the fourth port.

8. The fluid management device according to claim 6, characterized in that: The fluid management device includes a heat exchange module, the heat exchange module includes a first heat exchange module, the fluid management device includes a gas-liquid separation part, 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 channel of the first heat exchange module, the sixth port and the seventh port are located in the gas-liquid separation part, and the sixth port and the seventh port are communicated with the gas separation cavity of the gas-liquid separation part.

9. The fluid management device according to claim 7, characterized in that: The fluid management device includes a heat exchange module, the heat exchange module includes a first heat exchange module, the fluid management device includes a gas-liquid separation part, 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 channel of the first heat exchange module, the sixth port and the seventh port are located in the gas-liquid separation part, and the sixth port and the seventh port are communicated with the gas separation cavity of the gas-liquid separation part.

10. A thermal management system, comprising a compressor, a fluid management device, a first heat exchanger and a second heat exchanger, the fluid management device being the fluid management device according to any one of claims 1 to 9, 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 connected to the fifth port, the first heat exchanger being connected to the second port and the first port, the third port being connected to the first inlet of the compressor, the second heat exchanger being connected to the fourth port and the seventh port, and the sixth port being connected to the second inlet of the compressor.

11. The thermal management system according to claim 10, characterized in that: The fluid management device includes a throttling unit and a valve unit. The thermal management system includes a heating mode and a cooling mode. In the heating mode, the first valve core enables the first throttling chamber to communicate with the first valve chamber and the first gas-liquid separation chamber, and the valve unit opens the third sub-channel. In the refrigeration mode, the first valve core connects the first conducting channel to the first valve chamber and the second port, the first valve core disconnects the first valve chamber and the first gas-liquid separation chamber, the second valve core connects the second throttling chamber to the second valve chamber and the second gas-liquid separation chamber, and the valve unit closes the third sub-channel.

12. The thermal management system according to claim 11, characterized in that: The thermal management system includes a battery cooling mode. In the battery cooling mode, the first valve core connects the first conduction channel to the first valve chamber and the second port, the valve unit closes the third sub-channel, and the throttling unit is opened; the second valve core connects the second throttling chamber to the second valve chamber and the second gas-liquid separation chamber, or the second valve core disconnects the second valve chamber from the fourth port, and the second valve core disconnects the second valve chamber from the second gas-liquid separation chamber.

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