Fluid management device

Abstract

The fluid management device provided in the embodiment of the present application includes a valve core, a connecting piece and a block. The connecting piece is fixedly connected or limit-connected to the block. The valve core is located in the valve cavity of the block. The connecting piece includes a communicating channel and a receiving portion. The communicating channel is connected to the valve cavity. Since the communicating channel is formed in the connecting portion, the connection point of the communicating channel is located inside the connecting portion, which reduces leakage of the fluid management device; at least part of the first gas-liquid separation chamber is located in the receiving portion, and the receiving portion is part of the connecting piece, which can reduce the assembly process of the fluid management device.

Description

Technical Field

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

[0002] The thermal management system includes several functional components, which are usually connected by multiple pipes. As the complexity of the system increases, the number of components and connection points increases, resulting in an increased risk of leakage at the connection points of the thermal management system and inconvenient assembly. Summary of the Invention

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

[0004] One embodiment of the present application provides a fluid management device, comprising a block and a connector, wherein the block and the connector are fixedly connected or positionally connected, the fluid management device having a communication channel, at least a portion of which is located in the connector, the fluid management device including a valve core, the fluid management device having a throttling chamber, the block having a valve cavity, the communication channel having an opening on an outer wall of the connector facing the block, the valve cavity communicating with the communication channel, and the valve core being located in the valve cavity;

[0005] The connecting piece includes a accommodating portion, the fluid management device has a first gas-liquid separation chamber, at least part of the first gas-liquid separation chamber is located in the accommodating portion; the fluid management device has a conducting channel, at least part of the conducting channel is located in the connecting piece, the conducting channel has an opening on the inner wall of the accommodating portion, and the conducting channel has an opening facing the block on the outer wall of the connecting piece. In a working state of the fluid management device, the valve core makes the valve chamber communicate with the conducting channel through the throttling chamber.

[0006] The fluid management device provided in the embodiment of the present application includes a valve core, a connecting piece and a block. The connecting piece is fixedly connected or limit-connected to the block. The valve core is located in the valve cavity of the block. The connecting piece includes a communicating channel and a receiving portion. The communicating channel is connected to the valve cavity. Since the communicating channel is formed in the connecting portion, the connection point of the communicating channel is located inside the connecting portion, which reduces leakage of the fluid management device; at least part of the first gas-liquid separation chamber is located in the receiving portion, and the receiving portion is part of the connecting piece, which can reduce the assembly process of the fluid management device. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 is a schematic perspective structural diagram of a first embodiment of a fluid management device from one perspective;

[0008] Figure 2 yes Figure 1A schematic diagram of a three-dimensional structure of the fluid management device from another perspective;

[0009] Figure 3 yes Figure 1 A schematic diagram of an exploded structure of a fluid management device from one perspective;

[0010] Figure 4 yes Figure 1 A schematic diagram of an exploded structure of a fluid management device from another perspective;

[0011] Figure 5 yes Figure 1 A schematic diagram of the three-dimensional structure of the middle connector from one perspective;

[0012] Figure 6 yes Figure 4 A schematic diagram of the three-dimensional structure of the middle connector from another perspective;

[0013] Figure 7 yes Figure 5 A perspective structural diagram of the middle connector;

[0014] Figure 8 yes Figure 1 A schematic diagram of the three-dimensional structure of the first block and the first control unit;

[0015] Figure 9 yes Figure 8 A schematic structural diagram of the first block and the first control unit from one perspective;

[0016] Figure 10 yes Figure 9 Schematic diagram of the cross-sectional structure along AA;

[0017] Figure 11 yes Figure 1 A schematic top view of the fluid management device;

[0018] Figure 12 yes Figure 11 Schematic cross-sectional view along DD. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figures 1-12The fluid management device 10 includes a block and a connector 200. The block and the connector 200 are fixedly connected or limit-connected. The connector 200 includes a receiving portion 290. The fluid management device 10 has a first gas-liquid separation chamber, at least part of which is located in the receiving portion 290; the fluid management device 10 has a communication channel, at least part of which is located in the connector 200. The fluid management device 10 includes a valve core. The fluid management device 10 has a throttling chamber and a valve chamber. The valve chamber is located in the block. The communication channel has an opening facing the block on the outer wall of the connector 200. The valve chamber is connected to the communication channel. The valve core is located in the valve chamber. The fluid management device 10 has a conducting channel, at least part of which is located in the connector 200. The conducting channel has an opening on the inner wall of the receiving portion 290. The conducting channel is connected to the first gas-liquid separation chamber. The conducting channel has an opening facing the block on the outer wall of the connector 200. In a working state of the fluid management device 10, the valve core connects the valve chamber with the conducting channel through the throttling chamber. The fixed or limited connection described herein includes welding, bonding, or bolting. Connector 200 is fixedly or limitedly connected to the block. Connector 200 includes a communication channel and a receiving portion 290. The communication channel communicates with the valve cavity, and at least a portion of the first gas-liquid separation chamber is located in receiving portion 290. Compared to forming receiving portion 290 within a block, this facilitates processing and reduces the installation process. In other embodiments, the valve core further includes a communication hole. When the fluid management device 10 is in operation, the valve core can also connect the communication hole to the valve cavity and the conduction channel.

[0021] See also Figure 1 、 Figure 2 and Figure 5-Figure 7The fluid management device 10 includes a fluid management component, the connecting member 200 includes 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. In this embodiment, the fluid management component includes a throttling unit 500 and a valve unit 400. Accordingly, the mounting portion 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, and the valve unit 400 is fixedly connected or limit-connected to the first mounting portion, and at least part of the throttling unit 500 is located in the second mounting hole 282. The throttling unit 500 is fixedly connected or limit-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 member 200. Specifically, the connecting channel includes a first connecting channel 250 and a second connecting channel 260. The fluid management component can adjust the opening and / or switch of the second connecting channel. 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 can adjust the opening of the first sub-channel 261. 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 can open and close the third sub-channel 263.

[0022] See also Figure 1 、 Figure 2 and Figure 5-Figure 7 、 Figure 11 、 Figure 12The fluid management device 10 includes a block. In one specific embodiment, the block includes a first block 311 and a second block 312. The valve cavity includes a first valve cavity 3133 and a second valve cavity 3153. The valve core includes a first valve core 313 and a second valve core 315. The first gas-liquid separation cavity includes a first sub-cavity 3161 and a second sub-cavity 3171. The first block 311 is fixedly connected or positionally connected to the connector 200. In this embodiment, the connector 200 and the first block 311 are connected by bolts. The first block 311 has an opening facing the connector 200. The first connecting channel 250 is connected to the first valve cavity 3133. The first valve cavity 3133 is located in the first block 311, the first valve core 313 is located in the first valve cavity 3133, the second valve cavity 3153 is located in the second block 312, and the second valve core 315 is located in the second valve cavity 3153. The receiving portion of the connector 200 includes a first receiving portion 291 and a second receiving portion 292. The first receiving portion 291 has a first receiving chamber 291', and the first sub-chamber includes the first receiving chamber 291', or in other words, the first receiving chamber 291' is a portion of the first sub-chamber 3161. The communication channel includes a first channel 3162, at least a portion of which is located in the connector 200. The first channel 3162 has an opening on the inner wall of the first receiving portion 291, communicating with the first sub-chamber 3161. The first channel 3162 has an opening on the outer wall of the connector 200 that faces the first valve core 313. The first valve core 313 has a first groove 3131, which cooperates with the valve seat of the fluid management device 10 to form a first throttling chamber 3131'. The first valve core enables the first throttling chamber to connect the first valve chamber and the first channel. The first valve core 313 is spherical, spherical, or cylindrical. The second block 312 is fixedly connected or limitedly connected to the connecting member 200, and the connecting member 200 is connected to the second block 312 by bolts. The second block 312 has an opening toward the connecting member 200, the second sub-channel 262 is communicated with the second valve cavity 3153, and the second valve cavity 3153 is located in the second block 312. The second accommodating portion 292 has a second accommodating cavity 292', the second sub-cavity 3171 includes the second accommodating cavity 292', and the conducting channel includes the second channel 3172, at least part of The second channel 3172 is located in the connecting piece 200, and the second channel 3172 is connected to the second sub-cavity 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 fluid management device 10 to form a second throttling chamber 3151'. The second valve core can connect the second throttling chamber to the second valve chamber 3153 and the second channel 3172. The second valve core 315 is spherical, quasi-spherical or cylindrical.

[0023] In this embodiment, when the fluid management device 10 is in operation, the refrigerant throttled by the first throttling chamber 3131' enters the first sub-chamber 3161 through the first channel, and the refrigerant rotates centrifugally in the first sub-chamber 3161. Similarly, the refrigerant throttled by the second throttling chamber 3151' enters the second sub-chamber 3171 through the second channel 3172, and the refrigerant rotates centrifugally in the second sub-chamber 3171. In addition, the fluid management device 10 has a first gas channel 3163 and a first liquid channel 3164, wherein the first gas channel 3163 and the first liquid channel 3164 are connected to the first sub-cavity 3161, the first gas channel 3163 is used to discharge the relatively gaseous refrigerant after gas-liquid separation, and the first liquid channel 3164 is used to discharge the relatively liquid refrigerant after gas-liquid separation, wherein the first liquid channel 3164 can also be called a third channel, the third channel has an opening on the bottom wall of the first accommodating portion 291, and the third channel is connected to the first sub-cavity 3161 to facilitate the discharge of the refrigerant after gas-liquid separation from the fluid management device. The fluid management device 10 has a second gas channel 3173 and a second liquid channel 3174, which communicate with the second sub-cavity 3171. The second gas channel 3173 is used to discharge the relatively gaseous refrigerant after gas-liquid separation, and the second liquid channel 3174 is used to discharge the relatively liquid refrigerant after gas-liquid separation. The second liquid channel 3174 can also be referred to as a fourth channel. The fourth channel has an opening on the bottom wall of the second accommodating portion 292. The fourth channel communicates with the second sub-cavity 3171 to facilitate the discharge of the refrigerant after gas-liquid separation from the fluid management device 10. In other embodiments, the fluid management device 10 can also adopt other gas-liquid separation methods, which will not be described in detail.

[0024] When the fluid management device 10 is in operation, the fluid management device 10 includes a first operating mode and a second operating mode. In the first operating mode, the first valve core 313 connects the first throttling chamber 3131' to the first valve chamber 3133 and the first sub-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 connects the second valve chamber 3153 to the second sub-chamber 317. 1 is not connected; in the second working mode, the first valve core 313 disconnects the first valve chamber 3133 from the first sub-chamber 3161, the second valve core 315 connects the second throttling chamber 3151' to the second valve chamber 3153 and the second sub-chamber 3171, the valve unit 400 closes the third sub-channel 263, 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 further comprises a first communication hole 3132, which has at least two openings on its outer wall. In the second operating mode of the fluid management device 10, the first valve core 313 connects the first communication hole 3132 with the first valve chamber 3133 and the second port 1002, an outlet of the fluid management device. The first valve core 313 isolates the first valve chamber 3133 from the first sub-chamber 3161. The second communication channel 260, which serves as an inlet channel for the fluid management device 10, has an opening on the connector 200, namely, the first port 1001. Similarly, the second valve core 315 comprises a second communication hole 3152, which has at least two openings on its outer wall. The second valve core 315 connects the second communication hole 3152 with the second valve chamber 3153 and the fourth port 1004, an outlet of the fluid management device 10. In this embodiment, the first block 311, the second block 312, the throttling unit 500, and the valve unit 400 are fixedly connected or positionally connected to the connector 200. The fluid management device 10 has a first communication channel 250 communicating with the first valve chamber, a second sub-channel 262 communicating with the second valve chamber 3153, 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. The location of the communication channel within the connector 200 helps prevent internal leakage and facilitates miniaturization of the fluid management device 10.In this embodiment, the accommodating portion includes a first accommodating portion 291 and a second accommodating portion 292. In other embodiments, the accommodating portion may also include one of the first accommodating portion 291 and the second accommodating portion 292, or in other words, one of the first accommodating portion 291 and the second accommodating portion 292 is located in the connecting member 200, and the other may be located in a block or other structure, which will not be described in detail.

[0025] The fluid management device 10 includes a first control part 318. When the fluid management device 10 is working, the first control part 318 can drive the first valve core 313 to rotate. The first control part 318 includes a first valve stem that is transmission-connected to the first valve core 313. The fluid management device 10 includes a second control part 321. The second control part 321 includes a second valve stem that is transmission-connected to the second valve core 315. Accordingly, 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 and the first valve stem hole portion are dynamically sealed. Similarly, the second 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 and the second valve stem hole portion are dynamically sealed.

[0026] See also Figures 1-6The fluid management device 10 also includes a heat exchange module 100, which includes a plurality of stacked plates. 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 may include at least one of a first heat exchange module 120 and a second heat exchange module 110. In this 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 member 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 second side 220, the first flow channel of the first heat exchange module 120 is connected to the first connecting channel 250, the first connecting channel 250 has an opening toward the first block 311 on the second side 220, and the first connecting channel 250 is connected to the first valve cavity 3133. In this way, the first flow channel of the first heat exchange module 120 is connected to the first valve cavity 3133 through the first connecting channel 250. The first sub-channel 261 opens on the first side portion 210 toward the second heat exchange module 110. The first flow channel of the second heat exchange module 110 communicates with the first sub-channel 261. The third communication channel 270 opens on the first side portion 210 toward the second heat exchange module 110. The first flow channel of the second heat exchange module 110 communicates with the third communication channel 270. In other words, 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 first heat exchange module is located on one side of the connector 200, and the second heat exchange module 100 is located on the other side of the connector 200. The first and second heat exchange modules are located on different sides of the connector 200. This helps reduce the volume of the fluid management device 10, places the center of mass of the fluid management device 10 relatively close to the connector 200, and provides greater stability. Furthermore, the first and second heat exchange modules being located on different sides of the connector 200 also help prevent the heat exchange module 100 from interfering with the first or second control unit 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.

[0027] See also Figure 4 、 Figures 8-10In this embodiment, the first block 311 is fixedly connected or limit-connected to the second side portion, the first block 311 includes a connecting wall 3110, the connecting wall 3110 of the first block 311 faces the second side portion, the first communicating channel has an opening on the second side portion facing the connecting wall 3110 of the first block 311, the first block 311 has a first sub-channel 3111, the first sub-channel 3111 of the first block 311 is connected to the first valve chamber and the first communicating channel, and the first channel has an opening on the second side portion facing the connecting wall of the first block 311. The second block 312 is fixedly connected or limit-connected to the first side portion, and the second block 312 includes a connecting wall. The connecting wall 3120 of the second block 312 faces the first side portion, and the second connecting channel has an opening on the first side portion facing the connecting wall 3120 of the second block 312. Specifically, the second sub-channel 262 has an opening on the second side portion facing the second block 312, and the second sub-channel 262 is connected to the second valve chamber 3153. The second block 312 has a first sub-channel 3121. The first sub-channel 3121 of the second block 312 is connected to the second valve chamber 3153 and the second connecting channel 260, and the second channel has an opening on the first side portion facing the connecting wall of the second block 312.

[0028] See also Figures 1-4 The connecting member 200 includes a third side portion 230. In the first direction, the first side portion 210 is located on one side of the third side portion 230, and the second side portion 220 is located on the opposite side of the third side portion 230. 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 first side portion 210. The connecting member 200 includes a fourth side portion 240. In the first direction, the first side portion 210 is located on one side of the fourth side portion 240, and the second side portion 220 is located on the opposite side of the fourth side portion 240. In the direction of gravity, the third side portion 230 is located above the fourth side portion. Thus, a portion of the valve unit 400 and a portion of the throttling unit 500 are located above the third side portion 230. The first accommodating chamber 291' and the second accommodating chamber 292' have openings on the third side portion 230. Along the axial direction of the first accommodating chamber, or in the direction of gravity, the first channel 3162 is closer to the third side portion 230 than the third channel, and the second channel 3172 is closer to the third side portion 230 than the fourth channel. This facilitates the flow of liquid refrigerant out of the second sub-chamber.

[0029] The fluid management device 10 includes a gas-liquid separation portion 600, which is fixedly connected or limitedly connected to the fourth side portion 240. The gas-liquid separation portion 600 has a second gas-liquid separation chamber, and the third communication channel 270 has an opening facing the gas-liquid separation portion 600 on the fourth side portion 240. The third communication channel 270 is connected to the second gas-liquid separation chamber. Specifically, the fluid management device 10 has a first interface 201, the first interface 201 is located on 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 connection The through channel 270 is connected, and the first interface 201 faces 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.

[0030] See also Figure 1 、 Figure 2 、 Figure 7 、 Figure 11 and Figure 12The 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 this embodiment, the fifth port 1005 is located in the first heat exchange module 120 or in a pipe 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, and 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 second gas-liquid 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 in a pipe or block fixedly connected or limit-connected to the connector 200, which will not be described in detail. The second port 1002 is located in the first block 311. The first block 311 has a channel connecting the second port 1002 and the first valve chamber 3133. The first valve core 313 can connect the first throttling chamber 3131' or the first connecting hole 3132 to the first valve chamber 3133 and the second port 1002. In this embodiment, the first liquid channel 3164 is also connected to the second port 1002. The liquid refrigerant after gas-liquid separation in the first sub-chamber 3161 can flow out of the fluid management device 10 through the second port 1002. The fourth port 1004 is located in the second block 312. The second block 312 has a passage connecting the second valve chamber 3153 and the fourth port 1004. The first valve core 313 enables the second throttling chamber 3151' or the second communication hole 3152 to connect the second valve chamber 3153 and the fourth port 1004. The second liquid passage 3174 is also connected to the fourth port 1004. Liquid refrigerant after gas-liquid separation in the second sub-chamber 3171 can flow into the fluid management device 10 through the fourth port 1004. The first gas passage 3163 and the second gas passage 3173 are connected to the third port 1003. The relatively gaseous refrigerant after gas-liquid separation in the first sub-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 sub-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 this embodiment, the sixth port 1006 is located in the gas-liquid separation part 600, and the seventh port 1007 is located on the third side 230. The seventh port 1007 enters the second gas-liquid separation chamber through the first interface.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 are facing upward, which facilitates the connection of the fluid management device 10 with other components or pipes in the thermal management system.

[0031] See also Figure 1 、 Figure 2 as well as Figure 11 、 Figure 12 The fluid management device 10 includes a connecting portion 330, which is fixedly connected or positionally connected to the connector. In this embodiment, the connecting portion is fixedly connected or positionally connected to the third side portion. The fixed connection here includes that the connecting portion 330 and the connector 200 are an integral structure. The connecting portion 330 includes a receiving portion, which has a receiving cavity. At least part of the valve component 340 is located in the receiving cavity. The valve component 340 is fixedly connected or positionally 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 part of the second gas channel 3173, and the second connecting cavity 3313 is 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 third port 1003. The second connecting portion 330 is connected to the second sub-chamber 3171, and the second connecting portion 3313 is connected to the first sub-chamber 3161. The valve component 340 enables one-way communication between the first connecting portion 3312 and the second connecting portion 3313. The first connecting port is connected to the second connecting portion 3313. In this way, relatively gaseous refrigerant in the second sub-chamber 3171 can flow out of the fluid management device 10 through the first connecting port through the valve component 340, while relatively gaseous refrigerant in the first sub-chamber 3161 can flow into the fluid management device 10 through the first connecting port. Due to the presence of the valve component 340, it is prevented from entering the second sub-chamber 3171. In this embodiment, at least a portion of the connecting portion 330 is located above the third side portion in the direction of gravity, and the connector 200 is bolted to the connecting portion 330. In this way, the fluid management device 10 has a common gas outlet, which can reduce the number of interfaces in the fluid management device 10 and facilitate 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 to prevent the gas in the first sub-chamber 3161 from entering the second sub-chamber 3171 .

[0032] In one specific embodiment, the connecting portion 330 includes a first insert portion 3316 and a second insert portion 3317, and 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 insert portion 3316, while the conduit opening of the second conduit portion 3319 faces away from the second insert portion 3317. The first conduit portion 3318 is integrally formed with the first insert portion 3316, or is fixedly connected or positionally engaged, while the second conduit portion 3319 is integrally formed with the second insert portion 3317, or is fixedly connected or positionally engaged. Portions of the first gas channel are located between the first conduit portion 3318 and the first insert portion 3316, while portions of the second gas channel are located between the second conduit portion 3319 and the second insert portion 3317. The provision of the insert portion and the corresponding receiving portion in the fluid management device 10 facilitates positioning of the connecting portion during installation, facilitating installation.

[0033] In this embodiment, the valve component 340 is a one-way component. The communication portion 330 includes a first hole portion 331, at least a portion of the first communication cavity 3312 is located in the first hole portion 331, and at least a portion of the second communication cavity 3313 is located in the first hole portion 331. The first hole portion 331 includes a receiving portion. The communication portion 330 has a first communication port and a second communication port. The first communication port is located in the wall of the first hole portion 331, and the second communication port is located in the wall of the first hole portion. The first communication port communicates with the second sub-cavity 3171, and the second communication port communicates with the first sub-cavity 3161. Along the axis of the first hole portion 331, the first communication port is located on one side of the receiving portion, and the second communication port is located on the other side of the receiving portion. In other embodiments, the valve component 340 may 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 being easier to install, lowering costs, and not requiring electrical control.

[0034] 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 limit-connected to the first matching portion, and the second fixing portion is fixedly connected or limit-connected to the second matching portion. In this embodiment, the connecting portion 330 and the third side portion are fixed by bolts. One of the first fixing portion and the first matching portion is located in the connecting portion 330, and the other is located in the third side portion. One of the second fixing portion and the second matching portion is located in the connecting portion 330, and the other is located in the third side portion. In this embodiment, the first matching portion and the second matching portion are located in the third side portion.

[0035] 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 sub-chamber 3161 through the first throttling chamber 3131', and the valve component 340 makes the second communicating chamber 3313 disconnected from the first communicating chamber 3312. The relatively gaseous refrigerant in the first sub-chamber 3161 flows out of the fluid management device 10 through the first connecting port, which 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 sub-chamber 3161, and the second valve core 315 makes the second valve chamber 3153 communicate with the second sub-chamber 3171 through the second throttling chamber 3151'. The valve component 340 makes the first communicating chamber 3312 unidirectionally connect to the second communicating chamber 3313. The first connecting port is an outlet of the fluid management device 10. Of course, the fluid management device 10 may also not be provided with the connecting portion 330 , and the first gas channel 3163 has an outlet in the fluid management device, and the second gas channel 3173 has an outlet in the fluid management device, which will not be described in detail.

[0036] 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 this specification has described the present invention in detail 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 block and a connector, the block and the connector being fixedly connected or positionally connected, the fluid management device having a communication channel, at least a portion of which is located in the connector, the fluid management device including a valve core, the fluid management device having a throttling chamber, the block having a valve cavity, the communication channel having an opening on an outer wall of the connector facing the block, the valve cavity communicating with the communication channel, and the valve core being located in the valve cavity; The connecting piece includes a accommodating portion, the fluid management device has a first gas-liquid separation chamber, at least part of the first gas-liquid separation chamber is located in the accommodating portion; the fluid management device has a conducting channel, at least part of the conducting channel is located in the connecting piece, the conducting channel has an opening on the inner wall of the accommodating portion, and the conducting channel has an opening facing the block on the outer wall of the connecting piece. In a working state of the fluid management device, the valve core makes the valve chamber communicate with the conducting channel through the throttling chamber.

2. The fluid management device according to claim 1, characterized in that The block includes a first block, the first block is fixedly connected or positionally connected to the connecting member, the conducting channel includes a first channel, the accommodating portion includes a first accommodating portion, the first channel has an opening on the inner wall of the first accommodating portion, and the first channel has an opening on the outer wall of the connecting member facing the first block; The valve cavity includes a first valve cavity, which is located in the first block; the valve core includes a first valve core, which is located in the first valve cavity; the throttling cavity includes a first throttling cavity, and the first valve core can make the first valve cavity communicate with the first channel through the first throttling cavity; the communicating channel includes a first communicating channel, which has an opening facing the first block in the connecting piece, and the first communicating channel is communicated with the first valve cavity.

3. The fluid management device according to claim 2, characterized in that The block includes a second block, the second block is fixedly connected or positionally connected to the connecting member, the conducting channel includes a second channel, the accommodating portion includes a second accommodating portion, the second channel has an opening on the inner wall of the second accommodating portion, and the second channel has an opening on the outer wall of the connecting member facing the second block; The valve chamber includes a second valve chamber, the second valve chamber is located in the second block, the valve core includes a second valve core, the throttling chamber includes a second throttling chamber, the second valve core is located in the second valve chamber, and the second valve core can make the second valve chamber communicate with the second channel through the second throttling chamber; the communicating channel includes a second communicating channel, the second communicating channel has an opening facing the second block in the connecting piece, and the second communicating channel is communicated with the second valve chamber.

4. The fluid management device according to claim 3, characterized in that The connecting member includes a first side portion and a second side portion, the first block is fixedly connected or positionally connected to the second side portion, the first block includes a connecting wall, the connecting wall of the first block faces the second side portion, the first communicating channel has an opening on the second side portion facing the connecting wall of the first block, the first block has a first sub-channel, the first sub-channel of the first block is in communication with the first valve chamber and the first communicating channel, and the first channel has an opening on the second side portion facing the connecting wall of the first block; The second block is fixedly connected or limit-connected to the first side portion, the second block includes a connecting wall, the connecting wall of the second block faces the first side portion, the second communicating channel has an opening facing the connecting wall of the second block on the first side portion, the second block has a first sub-channel, the first sub-channel of the second block is connected to the second valve cavity and the second communicating channel, and the second channel has an opening facing the connecting wall of the first block on the second side portion.

5. The fluid management device according to claim 4, characterized in that The first gas-liquid separation chamber includes a first sub-chamber and a second sub-chamber, the first accommodating portion includes a first accommodating chamber, the first sub-chamber includes the first accommodating chamber, the conducting channel includes a third channel, the third channel has an opening on the bottom wall of the first accommodating portion, the third channel has an opening on the second side portion facing the connecting wall of the first block, the first block has a second sub-flow channel, and the second sub-flow channel of the first block is connected to the third channel; The second accommodating portion has a second accommodating cavity, the second sub-cavity includes the second accommodating cavity, the conducting channel includes a fourth channel, the fourth channel has an opening on the bottom wall of the second accommodating portion, the fourth channel has an opening on the first side portion facing the connecting wall of the second block, the second block has a second sub-flow channel, and the second sub-flow channel of the second block is connected to the fourth channel.

6. The fluid management device according to claim 5, characterized in that The connecting member includes a third side portion, the first side portion is located on one side of the third side portion, the second side portion is located on the other side opposite to the third side portion, the first accommodating cavity and the second accommodating cavity have openings in the third side portion, and along the axial direction of the first accommodating cavity, the first channel is closer to the third side portion than the third channel, and the second channel is closer to the third side portion than the fourth channel.

7. The fluid management device according to claim 6, characterized in that The fluid management device further includes a communication portion and a valve component, and the connecting member is fixedly connected or position-limitedly connected to the communication portion; The communicating portion includes a housing portion, the housing portion has a housing cavity, at least part of the valve component is located in the housing cavity, the valve component is fixedly connected or limit-connected to the housing portion; the communicating portion has a first connecting port, a first communicating cavity and a second communicating cavity, the first communicating cavity is connected to the second sub-cavity, the valve component can make the first communicating cavity and the second communicating cavity unidirectionally connected, the first connecting port is connected to the second communicating cavity, and the first sub-cavity is connected to the second communicating cavity.

8. The fluid management device according to claim 7, characterized in that The valve component is a one-way component, the communication portion includes a first hole portion, at least part of the first communication cavity is located in the first hole portion, at least part of the second communication cavity is located in the first hole portion, the first hole portion includes a receiving portion, the communication portion includes a first communication port and a second communication port, the first communication port is communicated with the second sub-cavity, the second communication port is communicated with the first sub-cavity, along the axis direction of the first hole portion, the first communication port is located on one side of the receiving portion, the second communication port is located on the other side of the receiving portion, and the first communication port and the second communication port are located on different sides of the receiving portion; The openings of the first accommodating cavity and the second accommodating cavity on the connecting member are oriented in the same direction, and along the direction of gravity, at least part of the communication portion is located above the accommodating portion.

9. The fluid management device according to any one of claims 1 to 8, characterized in that: The fluid management device includes a gas-liquid separation portion having a second gas-liquid separation chamber, the communication channel includes a third communication channel and a second communication channel, the second communication channel includes a first sub-channel, a second sub-channel and a third sub-channel, and the third sub-channel is connected to the third communication channel; The gas-liquid separation part is fixedly connected or limit-connected to the connecting piece, the third communicating channel has an opening facing the gas-liquid separation part on the outer wall of the connecting piece, and the third communicating channel is communicated with the second gas-liquid separation chamber; or, the gas-liquid separation part and the connecting piece are integrally structured, the third communicating channel has an opening on the inner wall of the gas-liquid separation part, and the third communicating channel is communicated with the second gas-liquid separation chamber.

10. The fluid management device according to claim 9, characterized in that The fluid management device includes a first heat exchange module, a second heat exchange module, a valve unit and a throttling unit, the second heat exchange module is fixedly connected or limitably connected to the first side portion, the first heat exchange module is fixedly connected or limitably connected to the second side portion, and the flow channel of the first heat exchange module is connected to the first connecting channel; the opening of the first subchannel on the first side portion faces the second heat exchange module, and the flow channel of the second heat exchange module is connected to the first subchannel; the connecting member includes a first mounting portion and a second mounting portion, the second mounting portion has a second mounting hole, at least part of the throttling unit is located in the second mounting hole, the throttling unit is fixedly connected or limitably connected to the second mounting portion, the wall of the second mounting portion has an opening connected to the first subchannel, and the throttling unit can adjust the opening of the first subchannel; the first mounting portion has a first mounting hole, at least part of the valve unit is located in the first mounting hole, the valve unit is fixedly connected or limitably connected to the first mounting portion, the wall of the first mounting portion has an opening connected to the third subchannel, and the valve unit can open or close the third subchannel.

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