CN115195383A - Fluid management device - Google Patents

Abstract

The fluid management device comprises a valve core, a connecting piece and a block body, wherein the connecting piece is fixedly connected or in limited connection with the block body; at least part of the first gas-liquid separation chamber is located in the accommodating part, and the accommodating part is part of the connecting part, so that the assembly process of the fluid management device can be reduced.

Description

Fluid management device

Technical Field

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

Background

The thermal management system comprises a plurality of functional components, and the components are usually connected through a plurality of pipelines, so that the number of the components is increased along with the increase of the complexity of the system, the number of connection points is increased, the leakage risk of the thermal management system at the connection points is increased, and the assembly is inconvenient.

Disclosure of Invention

It is an object of the present application to provide a fluid management device to facilitate solving the above-mentioned problems.

One embodiment of the present application provides a fluid management device, including a block and a connecting member, where the block and the connecting member are fixedly or limitedly connected, the fluid management device has a communication channel, at least a part of the communication channel is located at the connecting member, the fluid management device includes a valve core, the fluid management device has a throttle chamber, the block has a valve chamber, the communication channel has a port facing the block on an outer wall of the connecting member, the valve chamber is communicated with the communication channel, and the valve core is located in the valve chamber;

the connecting piece comprises a containing part, the fluid management device is provided with a first gas-liquid separation cavity, and at least part of the first gas-liquid separation cavity is positioned in the containing part; the fluid management device is provided with a communication channel, at least part of the communication channel is positioned on the connecting piece, the communication channel is provided with an opening on the inner wall of the accommodating part, the communication channel is provided with an opening facing the block body on the outer wall of the connecting piece, and in one working state of the fluid management device, the valve core enables the valve cavity to be communicated with the communication channel through the throttling cavity.

The fluid management device comprises a valve core, a connecting piece and a block body, wherein the connecting piece is fixedly connected or in limited connection with the block body; at least part of the first gas-liquid separation chamber is located in the accommodating part, and the accommodating part is a part of the connecting part, so that the assembly process of the fluid management device can be reduced.

Drawings

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

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

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

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

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

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

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

FIG. 8 is a perspective view of the first block and the first control portion of FIG. 1;

FIG. 9 is a schematic view of the first block and the first control portion of FIG. 8;

FIG. 10 isbase:Sub>A schematic cross-sectional view taken along A-A of FIG. 9;

FIG. 11 is a schematic top view of the fluid management device of FIG. 1;

fig. 12 is a schematic cross-sectional view along D-D of fig. 11.

Detailed Description

The fluid management device according to the technical solution of the present invention may have various embodiments, at least one of which may be applied to a vehicle thermal management system, and at least one of which may be applied to other thermal management systems such as a home thermal management system or a business thermal management system, and will be described with reference to the accompanying drawings by taking the fluid management device applied to the vehicle thermal management system as an example, where the fluid is a refrigerant, including R134a or CO2 or other forms of refrigerants.

Referring to fig. 1-12, the fluid management device 10 includes a block 310 and a connecting member 200, the block 310 is fixedly connected or connected to the connecting member 200 in a limiting manner, the connecting member 200 includes a containing portion 290, the fluid management device 10 has a first gas-liquid separation chamber, and at least a portion of the first gas-liquid separation chamber is located in the containing portion 290; the fluid management device 10 has a communication channel, at least a portion of the communication channel is located in the connection member 200, the fluid management device 10 includes a valve core, the fluid management device 10 has a throttling cavity, and a valve cavity, the valve cavity is located in the block 310, the communication channel has a port facing the block 310 on the outer wall of the connection member 200, the valve cavity is communicated with the communication channel, the valve core is located in the valve cavity, the fluid management device 10 has a communication channel, at least a portion of the communication channel is located in the connection member 200, the communication channel has a port on the inner wall of the receiving portion 290, the communication channel is communicated with the first gas-liquid separation cavity, the communication channel has a port facing the block 310 on the outer wall of the connection member 200, and in one working state of the fluid management device 10, the valve core enables the valve cavity to be communicated with the communication channel through the throttling cavity. The fixed connection or the limit connection comprises connection modes such as welding, bonding or bolt connection. The connecting member 200 is fixedly or limitedly connected to the block 310, the connecting member 200 includes a communicating passage and a receiving portion 290, the communicating passage is communicated with the valve cavity, at least a portion of the first gas-liquid separating cavity is located in the receiving portion 290, and compared to the receiving portion 290 formed in a block, the processing is convenient, and the installation process can be reduced. In other embodiments, the valve element further includes a communication hole, and the valve element can communicate the valve chamber and the communication channel with each other even when the fluid management device 10 is operated.

Referring to fig. 1, 2, and 5-7, the fluid management device 10 includes a fluid management component, the connection element 200 includes a mounting portion 280, the mounting portion 280 has a mounting hole, and at least a portion of the fluid management component is located in the mounting hole, in this embodiment, the fluid management component includes a throttling unit 500 and a valve unit 400, accordingly, the mounting portion 280 includes a first mounting portion and a second mounting portion, the first mounting portion has a first mounting hole 281, the second mounting portion has a second mounting hole 282, at least a portion of the valve unit 400 is located in the first mounting hole 281, the valve unit 400 is fixedly connected or in a limited manner with the first mounting portion, at least a portion of the throttling unit 500 is located in the second mounting hole 282, and the throttling unit 500 is fixedly connected or in a limited manner with the second mounting portion. The fluid management device 10 has a communication passage at least a part of which is located at the connection member 200, and specifically, the communication passage includes a first communication passage 250 and a second communication passage 260, the fluid management member can adjust the opening and/or opening of the second communication passage, the second communication passage 260 includes a first sub-passage 261, a second sub-passage 262, and a third sub-passage 262, a wall of the second mounting portion has a port, the port of the second mounting portion is communicated with the first sub-passage 261, the throttle unit 500 can adjust the opening of the first sub-passage 261, the wall of the first mounting portion has a port, the port of the first mounting portion is communicated with the third sub-passage 262, and the valve unit 400 can open and close the third sub-passage 262.

Please refer to fig. 1, fig. 2, fig. 5-fig. 7, fig. 11, fig. 12. The fluid management device 10 includes a block 310, in a specific embodiment, the block 310 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, wherein the first block 311 is fixedly connected or connected in a limited manner with a connecting member 200, in the present embodiment, the connecting member 200 is connected with the first block 311 through a bolt, the first block 311 has an opening facing the connecting member 200, and the first communicating passage 250 is communicated with the first valve cavity 3133. Wherein the first valve cavity 3133 is located in the first block 311, the first valve spool 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 spool 315 is located in the second valve cavity 3153. The receiving portions of the connector 200 include a first receiving portion 291 and a second receiving portion 292, the first receiving portion 291 having a first receiving cavity 291', the first sub-cavity including the first receiving cavity 291', or the first receiving cavity 291' being part of the first sub-cavity 3161. The conducting passage comprises a first passage 3162, at least a part of the first passage 3162 is located in the connecting member 200, the first passage 3162 has a port on the inner wall of the first accommodating portion 291, the first passage 3162 is communicated with the first sub-cavity 3161, the first passage 3162 has an opening on the outer wall of the connecting member 200 facing the first spool 313, the first spool 313 has a first groove 3131, the first groove 3131 cooperates with the valve seat of the fluid management device 10 to form a first throttle chamber 3131', the first spool can enable the first throttle chamber to communicate with the first valve chamber and the first passage, and the first spool 313 is spherical or quasi-spherical or cylindrical. The second block 312 is fixedly connected or connected in a limiting manner with the connecting member 200, the connecting member 200 is connected with the second block 312 through a bolt, the second block 312 has an opening facing the connecting member 200, the second sub-channel 262 is communicated with the second valve cavity 3153, the second valve cavity 3153 is located in the second block 312, the second accommodating part 292 has a second accommodating cavity 292', the second sub-cavity 3171 includes a second accommodating cavity 292', the conducting channel includes a second channel 3172, at least a part of the second channel 3172 is located in the connecting member 200, the second channel 3172 is communicated with the second sub-cavity 3171, the second channel 3172 has an opening facing the second valve core 315, the second valve core 315 has a second groove 3151, the second groove 3151 is matched with the valve seat of the fluid management device 10 to form a second throttling cavity 3151', the second valve core can enable the second throttling cavity to communicate with the second valve cavity 3153 and the second channel 3172, and the second valve core 315 is in a spherical shape or a sphere-like sphere or a cylinder shape.

In the present embodiment, when the fluid management device 10 is in operation, the refrigerant throttled by the first throttle chamber 3131 'enters the first sub-chamber 3161 through the first passage, and then centrifugally rotates in the first sub-chamber 3161, and similarly, the refrigerant throttled by the second throttle chamber 3151' enters the second sub-chamber 3171 through the second passage 3172, and then centrifugally rotates 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 communicated with the first sub-chamber 3161, the first gas channel 3163 is used for discharging the gas-liquid separated relatively gaseous refrigerant, the first liquid channel 3164 is used for discharging the gas-liquid separated relatively liquid refrigerant, wherein the first liquid channel 3164 may also be referred to as a third channel, the third channel has a port at the bottom wall of the first accommodation portion 291, the third channel is communicated with the first sub-chamber 3161 to facilitate the gas-liquid separated refrigerant to be discharged out of the fluid management device 10, the fluid management device 10 has a second gas channel 3173 and a second liquid channel 3174, the second gas channel 3173 and the second liquid channel 3174 are communicated with the second sub-chamber 3171, the second gas channel 3173 is used for discharging the gas-liquid separated relatively gaseous refrigerant, and the second liquid channel 3174 is used for discharging the gas-liquid separated relatively liquid refrigerant, wherein the second gas channel 3174 may also be referred to as a fourth liquid channel 31292, the second liquid channel 3174 is communicated with the second sub-liquid channel 3171 to facilitate the gas-liquid separated refrigerant to be discharged out of the fluid management device 10. In other embodiments, the gas-liquid separation mode of the fluid management device 10 may be other forms, and will not be described in detail.

In operation of the fluid management device 10, the fluid management device 10 includes a first mode of operation in which the first valve spool 313 communicates the first throttling chamber 3131' with the first valve chamber 3133, the first sub-chamber 3161, relatively gaseous refrigerant exits the fluid management device 10 via the first gas passage 3163, relatively liquid refrigerant exits the fluid management device 10 via the first liquid passage 3164, the valve unit 400 opens the third sub-passage 262, the throttling unit 500 closes the second sub-passage 262, and the second valve spool 315 does not communicate the second valve chamber 3153 with the second sub-chamber 3171; in the second operation mode, the first valve spool 313 does not communicate the first valve chamber 3133 with the first sub-chamber 3161, the second valve spool 315 communicates the second throttling chamber 3151' with the second valve chamber 3153 and the second sub-chamber 3171, the valve unit 400 closes the third sub-passage 262, the relatively gaseous refrigerant exits the fluid management device 10 through the second gas passage 3173, the relatively liquid refrigerant exits the fluid management device 10 through the second liquid passage 3174, and the throttling unit 500 may be opened to throttle the refrigerant in the depressurizing first sub-passage 261, or the throttling unit 500 may not be opened. Still further, the first valve spool 313 further has a first communication hole 3132, the first communication hole 3132 has at least two ports on the outer wall of the first valve spool 313, in the second operation mode of the fluid management device 10, the first valve spool 313 makes the first communication hole 3132 communicate with the first valve chamber 3133 and one outlet of the fluid management device, i.e. the second port 1002, the first valve spool 313 makes the first valve chamber 3133 not communicate with the first sub-chamber 3161, the second communication passage 260 is one inlet passage of the fluid management device 10, and the second communication passage 260 has a port, i.e. the first port 1001, on the connection member 200. Similarly, the second valve core 315 has a second communication hole 3152, the second communication hole 3152 having at least two ports on the outer wall of the second valve core 315, the second valve core 315 enabling the second communication hole 3152 to communicate the second valve chamber 3153 with one outlet of the fluid management device 10, i.e., the fourth port 1004. In this embodiment, the first block 311, the second block 312, the throttling unit 500, and the valve unit 400 are fixedly or limitedly connected to the connecting member 200, the fluid management device 10 has a first communicating passage 250 communicating with the first valve chamber, the fluid management device 10 has a second sub-passage 262 communicating with the second valve chamber 3153, the valve unit 400 can open and close the third sub-passage 262, and the throttling unit 500 can adjust the opening degree of the first sub-passage 261. The communication channel is located within the connector 200 to facilitate preventing internal leakage and to facilitate miniaturization of the fluid management device 10. In this embodiment, the accommodating portions include a first accommodating portion 291 and a second accommodating portion 292, in other embodiments, the accommodating portion may include one of the first accommodating portion 291 and the second accommodating portion 292, or one of the first accommodating portion 291 and the second accommodating portion 292 may be located in the connecting member 200, and the other may be located in a block or other structures, which will not be described in detail.

The fluid management device 10 includes a first control portion 318, when the fluid management device 10 works, the first control portion 318 can drive the first valve core 313 to rotate, the first control portion 318 includes a first valve rod in transmission connection with the first valve core 313, the fluid management device 10 includes a second control portion 321, the second control portion 321 includes a second valve rod in transmission connection with the second valve core 315, correspondingly, the first block 311 includes a first valve rod hole portion, the first valve rod hole portion has a first valve rod hole, a part of the first valve rod is located in the first valve rod hole, the first valve rod is in dynamic sealing arrangement with the first valve rod hole portion, similarly, the second block 312 includes a second valve rod hole portion, the second valve rod hole portion has a second valve rod hole, a part of the second valve rod is located in the second valve rod hole, and the second valve rod is in dynamic sealing arrangement with the second valve rod hole portion.

Referring to fig. 1-6, the fluid management device 10 further includes a heat exchange module 100, the heat exchange module 100 includes a plurality of stacked plates, a stacking direction of the plates is defined as a first direction, the connection member 200 includes a first side portion 210 and a second side portion 220, the first side portion 210 is located on one side of the connection member 200, the second side portion 220 is located on the opposite side of the connection member 200, and the side where the first side portion 210 is located and the side where the second side portion 220 is located are different sides of the connection member 200. The heat exchange module 100 may include at least one of the first heat exchange module 120 and the 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 connector 200 has a third communication passage 270, the first heat exchange module 120 has a first flow passage and a second flow passage, the second heat exchange module 110 also has a first flow passage and a second flow passage, the first communication passage 250 has an opening toward the first heat exchange module 120 at the second side portion 210, the first flow passage of the first heat exchange module 120 is communicated with the first communication passage 250, the first communication passage 250 has an opening toward the first block 311 at the second side portion 220, the first communication passage 250 is communicated with the first valve cavity 3133, and thus the first flow passage of the first heat exchange module 120 is communicated with the first valve cavity 3133 through the first communication passage 250. The first sub-channel 261 has an opening toward the second heat exchange module 110 at the first side portion 210, the first flow passage of the second heat exchange module 110 communicates with the first sub-channel 261, the third communication channel 270 has an opening toward the second heat exchange module 110 at the first side portion 210, the first flow passage of the second heat exchange module 110 communicates with the third communication channel 270, or the first sub-channel 261 communicates with the third communication channel 270 through the first flow passage of the second heat exchange module 110. First heat exchange module is located one side of connecting piece 200, second heat exchange module 100 is located the opposite side of connecting piece 200, first heat exchange module, second heat exchange module is located the different sides of connecting piece 200, thus, be favorable to reducing fluid management device 10's volume, fluid management device 10's barycenter also is close to connecting piece 200 relatively, fluid management device 10 is also more stable, in addition, first heat exchange module is located the different sides of connecting piece 200 with second heat exchange module, also be favorable to preventing heat exchange module 100 to the interference of first control part or second control part when the heat transfer. In the present embodiment, when the fluid management device 10 is in operation, the fluid in the first flow channel of the first heat exchange module 120 and the first flow channel of the second heat exchange module 110 is a refrigerant, and the fluid in the second flow channel of the first heat exchange module 120 and the second flow channel of the second heat exchange module 110 is a coolant.

Referring to fig. 4 and 8-10, in the present embodiment, the first block 311 is fixedly connected or connected in a limited manner to the second side, the first block 311 includes a connecting wall 3110, the connecting wall 3110 of the first block 311 faces the second side, the first communicating channel has a port facing the connecting wall 3110 of the first block 311 at the second side, the first block 311 has a first sub-channel 3111, the first sub-channel 3111 of the first block 311 is communicated with the first valve cavity and the first communicating channel, and the first channel has a port facing the connecting wall of the first block 311 at the second side. The second block 312 is fixedly or limitedly connected to the first side, the second block 312 includes a connecting wall, the connecting wall 3120 of the second block 312 faces the first side, the second communication channel has a port facing the connecting wall 3120 of the second block 312 at the first side, specifically, the second sub-channel 262 has a port facing the second block 312 at the second side, the second sub-channel 262 is communicated with the second valve chamber 3153, the second block 312 has a first sub-flow channel 3121, the first sub-flow channel 3121 of the second block 312 is communicated with the second valve chamber 3153 and the second communication channel 260, and the second channel has a port facing the connecting wall of the second block 312 at the first side.

Referring to fig. 1-4, the connecting member 200 includes a third side portion 230, and the first side portion 210 is located at one side of the third side portion 230 and the second side portion 220 is located at the opposite side of the third side portion 230 along the first direction, wherein the first mounting hole 281 has an opening on a wall of the third side portion 230, and the second mounting hole 282 has an opening on a wall of the first side portion 210. The connector 200 includes a fourth side 240, the first side 210 is located at one side of the fourth side 240 and the second side 220 is located at the opposite side of the fourth side 240 in the first direction, and the third side 230 is located above the fourth side in the gravity direction, such that the partial valve unit 400 and the partial throttle unit 500 are located above the third side 230. The first and second accommodation cavities 291', 292' have ports at the third side 230, and the first channel 3162 is closer to the third side 230 than the third channel, and the second channel 3172 is closer to the third side 230 than the fourth channel along the axial direction of the first accommodation cavity, or along the gravity direction. In this way, the flow of liquid refrigerant out of the second subchamber is facilitated.

The fluid management device 10 includes a gas-liquid separation portion 600, the gas-liquid separation portion 600 is fixedly connected or connected with the fourth side portion 240 in a limited manner, the gas-liquid separation portion 600 has a second gas-liquid separation chamber, the third communication channel 270 has a port facing the gas-liquid separation portion 600 at the fourth side portion 240, the third communication channel 270 is communicated with the second gas-liquid separation chamber, 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 communicated with the third sub-channel 262, the first interface 201 is communicated with the third communication channel 270, and the first interface 201 faces the gas-liquid separation portion 600, so that the refrigerant entering the fluid management device 10 from the second communication channel 260 can enter the gas-liquid separation portion 600 through the valve unit 400, the refrigerant entering the fluid management device 10 from the second communication channel 260 can also enter the gas-liquid separation portion 600 through the throttle unit 500, the second heat exchange module 110 and the third communication channel 270, and the refrigerant entering the fluid management device 10 from the second communication channel 260 can enter the second valve chamber 3153 through the second sub-channel 500.

Referring to fig. 1, fig. 2, fig. 7, fig. 11 and fig. 12, the fluid management device 10 has a first port 1001, a second port 1002, a third port 1003, a fourth port 1004, a fifth port 1005, a sixth port 1006 and a seventh port 1007, wherein the fifth port 1005 is communicated with the first flow channel of the first heat exchange module 120, and in this embodiment, the fifth port 1005 is located at the first heat exchange module 120 or at a pipe or a block fixedly connected or in a limit-connection with the first heat exchange module 120. The first port 1001 is located at the third side 230, the first port 1001 is communicated with the second communication channel 260, the valve unit 400 can open and close the communication channel of the first port 1001 and the second gas-liquid separation chamber, the first port 1001 can be communicated with the first channel of the first heat exchange module 120 through the throttling unit 500, the first port 1001 is communicated with the second sub-channel 262, and the first port 1001 can be communicated with the second valve chamber 3153 through the second sub-channel 262, of course, the first port 1001 can also be located at a pipe or block fixedly connected or limitedly connected with the connection member 200, and will not be described in detail. The second port 1002 is located in the first block 311, the first block 311 has a passage communicating the second port 1002 with the first valve cavity 3133, the first valve spool 313 enables the first orifice cavity 3131' or the first communication hole 3132 to communicate with the first valve cavity 3133 and the second port 1002, in this embodiment, the first liquid passage 3174 also communicates with the second port 1002, and the liquid refrigerant gas-liquid separated by the first subchamber 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 that communicates the second valve chamber 3153 and the fourth port 1004, the first valve body 313 enables the second throttle chamber 3151' or the second communication hole 3152 to communicate the second valve chamber 3153 and the fourth port 1004, the second liquid passage 3174 also communicates with the fourth port 1004, and the fluid management device 10 can flow through the fourth port 1004 with the liquid refrigerant that has been gas-liquid separated by the second sub-chamber 3171. The first gas passage 3163 and the second gas passage 3173 communicate with the third port 1003, and the relatively gaseous refrigerant gas-liquid-separated by the first sub-chamber 3161 can be discharged from the fluid management device 10 through the third port 1003, and the relatively gaseous refrigerant gas-liquid-separated by the second sub-chamber 3171 can be discharged from the fluid management device 10 through the third port 1003. In the present embodiment, the sixth ports 1006 are located in the gas-liquid separation portion 600, the seventh ports 1007 are located in the third side portion 230, and the seventh ports 1007 enter the second gas-liquid separation chamber through the first connection port. In a more specific embodiment, the first port 1001, the second port 1002, the third port 1003, the fourth port 1004, the fifth port 1005, the sixth port 1006, and the seventh port 1007 are oriented upward in the direction of gravity, which facilitates coupling of the fluid management device 10 to other components or plumbing within the thermal management system.

Referring to fig. 1, 2, 11, and 12, the fluid management device 10 includes a connecting portion 330, the connecting portion 330 is fixedly connected or position-limited to the connecting member, in this embodiment, the connecting portion is fixedly connected or position-limited to the third side, where the fixed connection includes that the connecting portion 330 and the connecting member 200 are integrated, the connecting portion 330 includes a receiving portion, the receiving portion has a receiving cavity, at least a part of the valve member 340 is located in the receiving cavity, and the valve member 340 is fixedly connected or position-limited to the receiving portion. In the present embodiment, at least a portion of the first gas channel 3163 is located at the communicating portion 330, and at least a portion of the second gas channel 3173 is located at the communicating portion 330, specifically, the communicating portion 330 has a first connecting port, a first connecting chamber 3312 and a second connecting chamber 3313, the first connecting chamber 3312 is a part of the second gas channel 3173, and the second connecting chamber 3313 is a part of the first gas channel 3163, wherein the first connecting port is the third port 1003 of the fluid management device 10 or is communicated with the third port 1003, the first connecting chamber 3312 is communicated with the second sub-chamber 3171, the second connecting chamber 3313 is communicated with the first sub-chamber 3161, and the valve member 340 can make the first connecting chamber 3312 conduct the second connecting chamber 3313 in a single direction, the first connecting port is communicated with the second connecting chamber 3313, so that the relatively gaseous refrigerant of the second sub-chamber 3171 can flow out of the fluid management device 10 through the first connecting port by the valve member 340, and the relatively gaseous refrigerant of the first sub-chamber 3161 can flow into the sub-chamber 33171 due to the presence of the first connecting port 3171. In the present embodiment, at least a part of the communication portion 330 is located above the third side portion in the gravity direction, and the connector 200 is bolt-fixed to the communication portion 330. In this way, the fluid management devices 10 have a common gas outlet, which may reduce the number of interfaces for the fluid management devices 10 and facilitate connection of the fluid management devices 10 to other components of the thermal management system. Fluid management device 10 is provided with a valve member 340 capable of preventing gas from first subchamber 3161 from entering second subchamber 3171.

In one embodiment, the communication portion 330 includes a first insert portion 3316 and a second insert portion 3317, the fluid management device 10 includes a first conduit portion 3318 and a second conduit portion 3319, a conduit port of the first conduit portion 3318 faces away from the first insert portion 3316, a conduit port 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 fixedly or captively connected thereto, and the second conduit portion 3319 is integrally formed with the second insert portion 3317 or fixedly or captively connected thereto. A portion of the first gas passage is located in the first conduit portion 3318 and the first insert portion 3316 and a portion of the second gas passage is located in the second conduit portion 3319 and the second insert portion 3317. The fluid management device 10 includes an insertion portion and a receiving portion corresponding thereto, which facilitates positioning of the communicating portion during installation and facilitates installation.

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

The fluid management device 10 includes a first fixing portion, a second fixing portion, a first matching portion and a second matching portion, the first fixing portion is fixedly connected or connected in a limited manner with the first matching portion, the second fixing portion is fixedly connected or connected in a limited manner with the second matching portion, in the present embodiment, the communication portion 330 and the third side portion fix one of the first fixing portion and the first matching portion to be located in the communication portion 330 through a bolt, the other is located in the third side portion, one of the second fixing portion and the second matching portion is located in the communication portion 330, the other is located in the third side portion, and in the present embodiment, the first matching portion and the second matching portion are located in the third side portion.

In a first mode of operation of the fluid management device 10, the first valve spool 313 communicates the first valve chamber 3133 with the first sub-chamber 3161 via the first throttling chamber 3131', the valve member 340 does not communicate the second communication chamber 3313 with the first communication chamber 3312, and relatively gaseous refrigerant of the first sub-chamber 3161 exits the fluid management device 10 via a first connection port, which is an outlet of the fluid management device 10; in the second operation mode, the first valve spool 313 prevents the first valve chamber 3133 from communicating with the first sub-chamber 3161, the second valve spool 315 allows the second valve chamber 3153 to communicate with the second sub-chamber 3171 via the second throttling chamber 3151', the valve member 340 allows the first communication chamber 3312 to communicate with the second communication chamber 3313 in one direction, and the first communication port is an outlet of the fluid management device 10. Of course, the fluid management device 10 may be provided without the communication portion 330, with the first gas channel 3163 having an outlet in the fluid management device and the second gas channel 3173 having an outlet in the fluid management device, and will not be described in detail.

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

Claims (10)

1. A fluid management device comprises a block body and a connecting piece, wherein the block body is fixedly connected or in limit connection with the connecting piece, the fluid management device is provided with a communication channel, at least part of the communication channel is positioned on the connecting piece, the fluid management device comprises a valve core, the fluid management device is provided with a throttling cavity, the block body is provided with a valve cavity, the communication channel is provided with an opening facing the block body on the outer wall of the connecting piece, the valve cavity is communicated with the communication channel, and the valve core is positioned in the valve cavity;

the connecting piece comprises a containing part, the fluid management device is provided with a first gas-liquid separation cavity, and at least part of the first gas-liquid separation cavity is positioned in the containing part; the fluid management device is provided with a communication channel, at least part of the communication channel is positioned on the connecting piece, the communication channel is provided with a port on the inner wall of the accommodating part, the communication channel is provided with a port facing the block on the outer wall of the connecting piece, and in one working state of the fluid management device, the valve core enables the valve cavity to be communicated with the communication channel through the throttling cavity.

2. The fluid management device of claim 1 wherein the block comprises a first block, the first block is fixedly or captively connected to the connector, the conducting channel comprises a first channel, the receiving portion comprises a first receiving portion, the first channel has an opening at an inner wall of the first receiving portion, and the first channel has an opening at an outer wall of the connector facing the first block;

the valve cavity comprises a first valve cavity which is positioned in the first block, the valve core comprises a first valve core, the first valve core is positioned in the first valve cavity, the throttling cavity comprises a first throttling cavity, and the first valve core can enable the first valve cavity to be communicated with the first channel through the first throttling cavity; the communication passage includes a first communication passage having a port at the connecting piece toward the first block, the first communication passage communicating with the first valve chamber.

3. The fluid management device according to claim 2, wherein the block comprises a second block fixedly or restrictively connected to the connecting member, the communication channel comprises a second channel, the receiving portion comprises a second receiving portion, the second channel has a mouth at an inner wall of the second receiving portion, and the second channel has a mouth at an outer wall of the connecting member facing the second block;

the valve cavity comprises a second valve cavity which is positioned in the second block, the valve core comprises a second valve core, the throttling cavity comprises a second throttling cavity, the second valve core is positioned in the second valve cavity, and the second valve core can enable the second valve cavity to be communicated with the second channel through the second throttling cavity; the communication passage includes a second communication passage having a port at the connecting piece toward the second block, the second communication passage communicating with the second valve chamber.

4. The fluid management device of claim 3 wherein the connector comprises a first side and a second side, the first block being fixedly or captively connected to the second side, the first block comprising a connecting wall, the connecting wall of the first block facing the second side, the first communication channel having a port at the second side facing the connecting wall of the first block, the first block having a first sub-flow passage, the first sub-flow passage of the first block being in communication with the first valve chamber, the first communication channel, the first channel having a port at the second side facing the first block connecting wall;

the second block body is fixedly connected with the first side portion or in a limiting connection mode, the second block body comprises a connecting wall, the connecting wall of the second block body faces the first side portion, the first side portion of the second communicating channel is provided with a port facing the connecting wall of the second block body, the second block body is provided with a first sub-flow channel, the first sub-flow channel of the second block body is communicated with the second valve cavity and the second communicating channel, and the second side portion of the second channel is provided with a port facing the connecting wall of the first block body.

5. The fluid management device according to claim 4, wherein the first gas-liquid separation chamber comprises a first sub-chamber and a second sub-chamber, the first accommodating portion has a first accommodating chamber, the first sub-chamber comprises the first accommodating chamber, the conducting channel comprises a third channel, the third channel has a port at a bottom wall of the first accommodating portion, the third channel has a port at 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 communicated with the third channel;

the second accommodating part is provided with a second accommodating cavity, the second sub cavity comprises the second accommodating cavity, the conducting channel comprises a fourth channel, the fourth channel is arranged on the bottom wall of the second accommodating part and provided with a port, the first side of the fourth channel is provided with a port facing the connecting wall of the second block, the second block is provided with a second sub-flow passage, and the second sub-flow passage of the second block is communicated with the fourth channel.

6. The fluid management device of claim 5 wherein the connecting body comprises 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 opposite side of the third side portion, the first and second receiving cavities have ports on the third side portion, 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 along the axial direction of the first receiving cavity.

7. The fluid management device of claim 6 further comprising a communication and a valve member, wherein the connector is fixedly or captively connected to the communication;

the communication part comprises an accommodating part, the accommodating part is provided with an accommodating cavity, at least part of the valve part is positioned in the accommodating cavity, and the valve part is fixedly connected or in limited connection with the accommodating part; the communicating part is provided with a first communicating port, a first communicating cavity and a second communicating cavity, the first communicating cavity is communicated with the second sub-cavity, the valve component can enable the first communicating cavity to be communicated with the second communicating cavity in a single direction, the first communicating port is communicated with the second communicating cavity, and the first sub-cavity is communicated with the second communicating cavity.

8. The fluid management device according to claim 7, wherein the valve member is a one-way member, the communication portion includes a first hole portion, at least a part of the first communication chamber is located at the first hole portion, at least a part of the second communication chamber is located at 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 communicates with the second sub-chamber, the second communication port communicates with the first sub-chamber, 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 in an axial direction of the first hole portion;

the first accommodating cavity and the second accommodating cavity are consistent in opening direction of the connecting piece, and at least part of the communication part is located above the accommodating part along the gravity direction.

9. The fluid management device according to any one of claims 1 to 8, wherein the fluid management device comprises a gas-liquid separation section having a second gas-liquid separation chamber, the communication passage comprises a third communication passage and a second communication passage, the second communication passage comprises a first sub-passage, a second sub-passage and a third sub-passage, and the third sub-passage is in communication with the third communication passage;

the gas-liquid separation part is fixedly connected or in limited connection with the connecting piece, the third communication channel is provided with a port facing the gas-liquid separation part on the outer wall of the connecting piece, and the third communication channel is communicated with the second gas-liquid separation cavity; or the gas-liquid separation part and the connecting piece are of an integrated structure, the third communicating channel is provided with 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 cavity.

10. The fluid management device according to claim 9, wherein the fluid management device comprises a first heat exchange module, a second heat exchange module, a valve unit and a throttling unit, the second heat exchange module is fixedly or limitedly connected with the first side part, the first heat exchange module is fixedly or limitedly connected with the second side part, and a flow channel of the first heat exchange module is communicated with the first communicating channel; the first sub-channel is provided with a port facing the second heat exchange module at the first side part, and a flow channel of the second heat exchange module is communicated with the first sub-channel; the connecting piece comprises a first mounting part and a second mounting part, the second mounting part is provided with a second mounting hole, at least part of the throttling unit is positioned in the second mounting hole, the throttling unit is fixedly connected or in limited connection with the second mounting part, the wall of the second mounting part is provided with a port communicated with the first sub-channel, and the throttling unit can adjust the opening degree of the first sub-channel; the first installation part is provided with a first installation hole, at least part of the valve unit is positioned in the first installation hole, the valve unit is fixedly connected or in limited connection with the first installation part, the wall of the first installation part is provided with a port communicated with the third sub-channel, and the valve unit can be opened or closed the third sub-channel.

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