CN115610178A - Thermal management assembly and thermal management system - Google Patents

Abstract

The utility model provides a thermal management subassembly and thermal management system, the thermal management subassembly can be applied to the thermal management system, the thermal management subassembly includes the valve block, the valve block has the passageway, the valve block includes first portion and second portion, a part of passageway is located first portion, another part of passageway is located the second portion, be provided with first vallecular cavity between first portion and the second portion, through setting up first vallecular cavity, be favorable to reducing the interference of the working fluid temperature that is arranged in the passageway of first portion with the working fluid temperature that is arranged in the passageway of second portion, be favorable to the steady operation of thermal management system.

Description

Thermal management assembly and thermal management system

Technical Field

The present application relates to a thermal management assembly and a thermal management system.

Background

In a thermal management system, a plurality of valves are usually needed to realize different operation modes of the system, and in order to make the structure compact, the inventor knows a structure that integrates a plurality of valves on a valve block to form a thermal management assembly, so that when the thermal management assembly is applied in the system, because working fluids in different channels of the valve block have different temperatures, interference of the working fluid temperatures in the different channels may be caused by heat conduction of the valve block, and stable operation of the system is not facilitated.

Disclosure of Invention

The application aims to provide a thermal management assembly and a thermal management system, which are beneficial to reducing the interference of the temperatures of working fluids in different channels of the thermal management assembly and the stable operation of the thermal management system.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a thermal management assembly comprising a valve element and a valve block, the valve block having a passage, the valve element being fixedly or captively connected to the valve block, the valve element being capable of communicating and not communicating two or more of the passages, characterized in that: the valve block comprises a first portion, a second portion, a first groove and a first connecting portion, one portion of the channel is located in the first portion, the other portion of the channel is located in the second portion, the first groove forms a first groove cavity, the first groove cavity is located between the first portion and the second portion, at least part of the wall surface of the first groove forms the wall surface of the first connecting portion, and the first connecting portion is connected with the first portion and the second portion.

A heat management system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger and a plate heat exchanger, and further comprises a heat management assembly, wherein the heat management assembly is communicated with the compressor, the indoor heat exchanger, the outdoor heat exchanger and the plate heat exchanger through pipelines respectively, and the heat management assembly is the heat management assembly.

The application provides a thermal management subassembly and thermal management system, the thermal management subassembly can be applied to the thermal management system, the thermal management subassembly includes the valve piece, the valve piece has the passageway, the valve piece includes first portion and second portion, a part of passageway is located first portion, another part of passageway is located the second portion, be provided with first vallecular cavity between first portion and the second portion, through setting up first vallecular cavity, be favorable to reducing the working fluid temperature that is arranged in the passageway of first portion and the interference of the working fluid temperature that is arranged in the passageway of second portion, be favorable to the steady operation of thermal management system.

Drawings

FIG. 1 is an exploded view of one embodiment of a thermal management assembly;

FIG. 2 is a perspective view of the valve block;

FIG. 3 is a perspective schematic view of the valve block;

FIG. 4 is a system diagram of the thermal management assembly of FIG. 1 applied in a first mode of operation of one embodiment of a heat pipe system;

FIG. 5 is a system diagram of a second mode of operation of the thermal management system of FIG. 4;

fig. 6 is another perspective view of the valve block.

Detailed Description

The present application is further described with reference to the following figures and specific examples:

referring to fig. 1, the thermal management component may be applied to a thermal management system, which may be a vehicle thermal management system, such as a new energy vehicle thermal management system. The thermal management assembly 100 comprises a valve element and a valve block 1, wherein the valve element comprises a switching valve element and a throttle valve element, the valve element is fixedly connected or in limited connection with the valve block 1, specifically, the valve element can be in a welding mode, an adhesion mode, a threaded connection mode, a screw/bolt connection mode or an insertion mode, and the like, and further, a sealing arrangement can be arranged between the valve element and the valve block 1, so that leakage of working fluid from an assembly gap between the valve element and the valve block 1 is reduced. In the present embodiment, the switching valve elements include in particular a first switching valve element 21, a second switching valve element 22 and a third switching valve element 23, and the throttle valve elements include in particular a first throttle valve element 31. Of course, as other embodiments, the number of switching valve elements and throttle elements may be other depending on the actual application of the thermal management assembly in the thermal management system.

Referring to fig. 2, the valve block 1 includes a plurality of mounting portions, each of which is formed with a corresponding mounting cavity, and portions of respective valve elements are respectively located in different mounting cavities, and the valve elements are fixedly connected or limitedly connected to the valve block 1 through the mounting portions. In the present embodiment, the mounting cavities include a first mounting cavity 41, a second mounting cavity 42, a third mounting cavity 43 and a fourth mounting cavity 44, and the openings of the mounting cavities are located on the same side of the valve block 1, which is beneficial to the convenience of mounting the valve element and the valve block 1, and as other embodiments, the openings of the mounting cavities may also be located on different sides of the valve block 1. The installation cavity can be close to the edge setting of valve block 1, and the installation cavity can be linear or tend to linear and arrange, like in this embodiment, first installation cavity 41, second installation cavity 42, third installation cavity 43 are close to valve block 1 with the same side edge be linear and arrange or tend to linear and arrange, along the linear direction of arranging, second installation cavity 42 is located between first installation cavity 41 and third installation cavity 43. Set up the installation cavity and be linear the arranging, it is neat to be favorable to overall arrangement when valve element and valve block 1 installation, and can shorten the distance of the passageway between each installation cavity of intercommunication, and makes the passageway mostly be the straightway or tend to the straightway setting, is favorable to reducing the pressure loss of interior working fluid of passageway. The fourth installation cavity 44 is disposed near the opposite side edge of the valve block 1, the fourth installation cavity 44 and the second installation cavity 42 may be linearly arranged or tend to be linearly arranged, and the first installation cavity 41, the second installation cavity 42, the third installation cavity 43 and the fourth installation cavity 44 are substantially arranged in a T shape.

Referring to fig. 2 and 3, the valve block 1 further has passages, which in the present embodiment include a first passage 51, a second passage 52, a third passage 53, a fourth passage 54, a fifth passage 55, a sixth passage 56, and a seventh passage 57. Regarding the valve block 1 alone, the first passage 51 is respectively communicated with the first mounting cavity 41 and the second mounting cavity 42, the first passage 51 has a first port 510, the first port 510 is located at a first side of the outer wall surface of the valve block 1, specifically, the first passage 51 includes a first sub-passage 511 and a second sub-passage 512, the first sub-passage 511 is communicated with the first mounting cavity 41, the first sub-passage 511 has a first port 510, and the second sub-passage 512 is respectively communicated with the first sub-passage 511 and the second mounting cavity 42; the second channel 52 is communicated with the first mounting cavity 41, the second channel 52 is not directly communicated with the first channel 51, the second channel 52 is provided with a second port 520, and the second port 520 is positioned on the second side of the outer wall surface of the valve block 1; the third channel 53 is respectively communicated with the second mounting cavity 42 and the fourth mounting cavity 44, the third channel 53 is not directly communicated with the first channel 51, the third channel 53 is provided with a third port 530, the third port 530 is positioned on a third side of the outer wall surface of the valve block 1, the second side and the third side are oppositely arranged, specifically, the third channel 53 comprises a third sub-channel 531 and a fourth sub-channel 532, the third sub-channel 531 is positioned between the second mounting cavity 42 and the fourth mounting cavity 44, the third sub-channel 531 is communicated with the second mounting cavity 42 and the fourth mounting cavity 44, the fourth sub-channel 532 is communicated with the fourth mounting cavity 44, and the fourth sub-channel 532 is provided with the third port 530; the fourth channel 54 is communicated with the fourth mounting cavity 44, the fourth channel 54 is not directly communicated with the third channel 53, the fourth channel 54 has a fourth port 540, and the fourth port 540 is located on a fourth side of the outer wall surface of the valve block 1, wherein the fourth side is opposite to the first side; the fifth channel 55 intersects the fourth channel 54, or the fifth channel 55 directly communicates with the fourth channel 54, said fifth channel 55 having a fifth port 550 and a sixth port 551, wherein the fifth port 550 is located at a third side of the outer wall surface of the valve block 1, and the sixth port 551 is located at a fifth side of the outer wall surface of the valve block 1; the sixth passage 56 communicates with the third mounting chamber 43, the sixth passage 56 having a seventh port 560 and an eighth port 561, the seventh port 560 being located on the fourth side of the outer wall surface of the valve block 1, the eighth port 561 being located on the second side of the outer wall surface of the valve block 1; the seventh passage 57 communicates with the third mounting chamber 43, the seventh passage 57 does not directly communicate with the sixth passage 56, the seventh passage 57 has a ninth port 570, and the ninth port 570 is located on the fifth side of the outer wall surface of the valve block 1. In the present embodiment, the opening of the mounting cavity is located on the sixth side of the outer wall surface of the valve block 1, wherein the sixth side is disposed opposite to the fifth side. The openings for providing the ports for connection with other components or with external lines and the mounting cavity are located on different sides of the valve block 1, which is advantageous for miniaturization of the valve block 1. It should be noted that the seventh channel 57 further has a tenth port 571, the tenth port 571 is located on the fourth side of the outer wall surface of the valve block 1, and the seventh channel 57 is provided with the tenth port 571, so that the seventh channel 57 is convenient to machine or the seventh channel 57 can be machined. Referring to fig. 1, the thermal management assembly 100 further includes a plug 2, at least a portion of the plug 2 is located in the seventh channel 57, and the plug 2 is used for plugging the tenth port 571 so as to prevent the fluid in the seventh channel 57 from leaking out of the tenth port 571.

Referring to fig. 1 to 3, a portion of the first switching valve element 21 is located in the first installation chamber 41, and the first passage 51 and the second passage 52 can be made to communicate and not communicate by opening and closing of the first switching valve element 21; a part of the second switching valve element 22 is positioned in the second mounting chamber 42, and the first passage 51 and the third passage 53 can be communicated and not communicated by opening and closing the second switching valve element 22; a part of the third switching valve element 23 is located in the fourth mounting cavity 44, and the third passage 53 and the fourth passage 54 can be communicated or not communicated by opening or closing the third switching valve element 23; here, it should be noted that: in this embodiment, the third sub-passage 531 and the fourth sub-passage 532 of the third passage 53 are directly communicated through the fourth mounting cavity 44 without being controlled by the third on/off valve element 23, and the third sub-passage 531 and the fourth sub-passage 532 are directly communicated through the fourth mounting cavity 44, which is beneficial to shortening the flow path of the third passage 53, making the third passage 53 a straight-line section or a straight-line section, and facilitating processing and reducing pressure loss of working fluid in the passage. The portion of the first throttle element 31 is located in the third mounting chamber 43, and the sixth passage 56 and the seventh passage 57 can be communicated and not communicated by adjusting the opening degree of the valve port of the first throttle element 31, and the working fluid circulating in the sixth passage 56 and the seventh passage 57 can be throttled. In the present embodiment, the first opening/closing valve element 21, the second opening/closing valve element 22, and the first throttle valve element 31 are disposed close to the second side of the outer wall surface of the valve block 1 and are linearly or approximately linearly arranged, and in the linear arrangement direction, the second opening/closing valve element 22 is located between the first opening/closing valve element 21 and the first throttle valve element 31, and the first opening/closing valve element 21 is disposed closer to the first port 510 than the first throttle valve element 31. The third switching valve element 23 is provided near the third side of the outer wall surface of the valve block 1, the third switching valve element 23 and the second switching valve element 22 are linearly or nearly linearly arranged, and the third switching valve element 23 is provided closer to the third port 530 than the second switching valve element 22 in the linear arrangement direction. The linear arrangement direction of the first on-off valve element 21, the second on-off valve element 22, and the first throttle valve element 31 is perpendicular or nearly perpendicular to the linear arrangement direction of the third on-off valve element 23 and the second on-off valve element 22. It should be noted that: the on-off valve member may be a solenoid valve or other form of on-off valve, and the throttle member may be an electronic expansion valve or other form of valve having a throttle.

Referring to fig. 1 and 3, in this embodiment, the valve block 1 further includes an accommodating portion, the accommodating portion forms a first accommodating cavity 46, the first accommodating cavity 46 is communicated with the fourth channel 54, the thermal management assembly 100 further includes a pressure relief valve 3, at least a portion of the pressure relief valve 3 is located in the first accommodating cavity 46, the pressure relief valve 3 is fixedly connected or in a limiting connection with the accommodating portion, further, a sealing arrangement may be further performed between the pressure relief valve 3 and the accommodating portion, which is beneficial for preventing fluid from leaking out from an assembly gap between the pressure relief valve 3 and the accommodating portion. The pressure relief valve 3 is arranged and mainly used for opening the pressure relief valve 3 to relieve pressure when the pressure of the working fluid in the channel (particularly the pressure of the working fluid in the fourth channel 54) is higher than a certain value, so that the pressure in the channel is ensured not to be overloaded.

Referring to fig. 1 and 2, the thermal management assembly 100 further includes a gas-liquid separation element 6, the gas-liquid separation element 6 mainly separates gas and liquid phases, the gas-liquid separation element 6 is fixedly connected or limited to the valve block 1, and further, a seal may be provided between the gas-liquid separation element 6 and the valve block 1, which is beneficial to preventing fluid from leaking from an assembly gap between the gas-liquid separation element 6 and the valve block 1. In this embodiment, the gas-liquid separation element 6 and the valve block 1 are fixed by screw connection, specifically, the valve block 1 is provided with a plurality of through counter bores 10, in this embodiment, the number of the counter bores 10 is three, correspondingly, the gas-liquid separation element 6 is provided with threaded holes 60, when the gas-liquid separation element 6 is assembled with the valve block 1, the counter bores 10 and the threaded holes 60 are aligned one by one, and screws pass through the counter bores 10 and are in threaded connection with the threaded holes 60, so as to realize connection and fixation of the valve block 1 and the gas-liquid separation element 6. The gas-liquid separation element 6 is provided with a connector which is respectively communicated with an internal channel of the gas-liquid separation element 6, the connector specifically comprises a first connector 61, a second connector 62, a third connector 63 and a fourth connector 64, wherein the first connector 61 and the second connector 62 are arranged on a lower end cover 65 of the gas-liquid separation element 6, the third connector 63 and the fourth connector 64 are arranged on an upper end cover 66 of the gas-liquid separation element 6, and the threaded hole 60 is also arranged on the upper end cover 66. Referring to fig. 1 and 3, the third port 63 communicates with the fifth passage 55 via a sixth port 551, the fourth port 64 communicates with the seventh passage 57 via a ninth port 570, and the first port 61 and the second port 62 are adapted to communicate with other tubes or other components of the thermal management system.

Referring to fig. 1 to 3, in the present embodiment, the valve block 1 further includes a second accommodation chamber 45, and regarding the valve block 1 alone, the second accommodation chamber 45 communicates with the fifth passage 55, and the opening of the second accommodation chamber 45 is also located on the sixth side of the outer wall surface of the valve block 1. Thermal management subassembly 100 still includes temperature pressure sensor 7, and temperature pressure sensor 7's part is located the second and holds chamber 45, and temperature pressure sensor 7 and valve block 1 fixed connection or spacing connection, and further, there can also be sealed the setting between temperature pressure sensor 7 and the installation department, is favorable to preventing that fluid from leaking outward from the fit-up gap between temperature pressure sensor 7 and the installation department. A sensing part of the temperature and pressure sensor 7 is located in the fifth passage 55 or in the second receiving chamber 45, and the sensing part is used for sensing or measuring the temperature and pressure of the working fluid in the fifth passage 55. The temperature and pressure sensor 7 is arranged for judging whether the superheat degree of the working fluid flowing into the gas-liquid separation element 6 from the fifth passage 55 meets the requirement or not, so that the working fluid flowing into the gas-liquid separation element 6 from the fifth passage 55 is ensured to be all-gas-phase working fluid after gas-liquid separation, and the working fluid entering the compressor from the first interface 61 is ensured to be all-gas-phase working fluid, thereby ensuring the operation safety of the compressor in the heat management system.

Referring to fig. 4 and 5, thermal management assembly 100, when applied to a thermal management system, includes, but is not limited to, two modes of operation:

referring to fig. 3 and 4, for a first mode of operation of thermal management assembly 100 as applied to a thermal management system: the first and third switching valve elements 21, 23 are closed, the second and first throttle valve elements 22, 31 are opened, and the first passage 51 communicates with the third passage 53 through the second switching valve element 22, and the seventh passage 57 communicates with the sixth passage 56 through the first throttle valve element 31.

At this time, the high-temperature and high-pressure working fluid (e.g., refrigerant) on the outlet side of the compressor 200 flows into the first passage 51 from the first port 510, flows into the third passage 53 through the second on-off valve element 22, flows out from the third port 530, flows toward the outdoor heat exchanger 201, changes into a relatively high-temperature and high-pressure working fluid after heat exchange and heat dissipation by the outdoor heat exchanger 201 (at this time, the working fluid is in a gas-liquid two-phase state, and has a relatively high temperature which is lower than the high temperature), enters the gas-liquid separation element 6 through the second port 62, passes through the gas-liquid separation element 6 to be separated into a gas-liquid two-phase state, the gas-phase working fluid flows back to the compressor 200 through the first port 61, the liquid-phase working fluid enters the seventh passage 57 through the fourth port 64, throttled by the first throttle element 31, changes into a low-temperature and low-pressure working fluid, flows toward the sixth passage 56, a part of the low-temperature and low-pressure working fluid in the indoor heat exchanger 202 flows into a relatively low-temperature working fluid (at this time, the low-temperature working fluid is in a relatively two-phase, and flows back to the fourth passage 54 through the fourth port 540 (at this time, the fourth on-flow path 24), and returns to the gas-liquid separation element 6 to be circulated; the other part of the low-temperature and low-pressure working fluid in the sixth channel 56 flows to the plate heat exchanger 203 through the eighth port 561, changes into a relatively low-temperature and low-pressure working fluid (gas-liquid two-phase) after heat exchange and absorption by the plate heat exchanger, flows into the fifth channel 55 through the fifth port 550, and also flows back to the gas-liquid separation element 6 through the third port 63 for recirculation. It should be noted that: the plate heat exchanger 203 mainly exchanges heat between the working fluid and electronic components such as a battery pack in the vehicle thermal management system; the indoor heat exchanger 202 mainly exchanges heat between the working fluid and the vehicle indoor air; the outdoor heat exchanger 201 primarily exchanges heat between the working fluid and the ambient air outside the vehicle.

Referring to fig. 3 and 5, for the second mode of operation: the second switching valve element 22 is closed, and the first switching valve element 21, the third switching valve element 23, and the first throttle element 31 are opened, and at this time, the first passage 51 communicates with the second passage 52 through the first switching valve element 21, the third passage 53 communicates with the fourth passage 54 through the third switching valve element 23, and the seventh passage 57 communicates with the sixth passage 56 through the first throttle element 31.

At this time, the high-temperature and high-pressure working fluid (gas phase) on the outlet side of the compressor 200 flows into the first passage 51 from the first port 510, flows into the second passage 52 through the first on-off valve element 21, flows toward the indoor heat exchanger 202 from the second port 520 (at this time, the fourth on-off valve element 24 is closed), changes into a relatively high-temperature and high-pressure working fluid (gas-liquid two-phase) after heat exchange and heat dissipation by the indoor heat exchanger 202, flows into the sixth passage 56 through the seventh port 560, a part of the working fluid located in the sixth passage 56 becomes a low-temperature and low-pressure working fluid after throttling by the first throttle element 31, enters the seventh passage 57, and enters the gas-liquid separation element 6 through the fourth port 64, after gas-liquid two-phase separation by the gas-liquid separation element 6, the gas-phase working fluid flows back to the compressor 200 through the first port 61, the liquid-phase working fluid flows toward the outdoor heat exchanger 201 through the second port 62, changes into a relatively low-temperature and low-pressure working fluid after heat exchange by the outdoor heat exchanger 201, enters the third passage 53, and flows toward the fourth passage 54 through the fifth on-liquid separation element 63, and flows back into the fourth passage 54 through the gas-liquid separation element 63; the other part of the working fluid in the sixth passage 56 flows to the plate heat exchanger 203 through the eighth port 561, exchanges heat with the plate heat exchanger 203 to dissipate heat, flows into the fifth passage 55 through the fifth port 550, and also flows back to the gas-liquid separation element 6 through the third port 63 to be recirculated.

Referring to fig. 1 to 5, in a first mode of operation: the working fluid in the first passage 51 and the third passage 53 is a high-temperature working fluid at the outlet side of the compressor 200, and the working fluid in the fourth passage 54, the fifth passage 55, and the sixth passage 56 is a low-temperature working fluid or a relatively low-temperature working fluid. In the second mode of operation, the working fluid in the first and second passages 51, 52 is a high temperature working fluid and the working fluid in the third, fourth, fifth and seventh passages 53, 54, 55, 57 is a low or relatively low temperature fluid.

In this way, in different operation modes, the temperatures of the working fluids in different channels are different from each other, and in order to reduce the mutual interference of the temperatures of the working fluids in different channels caused by the heat conduction of the metal of the valve block 1, which is beneficial to the stable operation of the system, referring to fig. 2, 3 and 6, the valve block 1 specifically includes a first portion 11, a second portion 12 and a third portion 13, one portion of the flow channel is located in the first portion 11, the other portion of the flow channel is located in the second portion 12, the other portion of the flow channel is located in the third portion 13, the first portion 11 is connected to the second portion 12, the second portion 12 is connected to the third portion 13, and the second portion 12 is located between the first portion 11 and the third portion 13. In the present embodiment, the first portion (including the first sub-passage 511) of the first passage 51, the second passage 52, and the first mounting cavity 41 are located in the first portion 11; the second portion of the first channel 51, the third channel 53, the first portion of the fourth channel 54, the second mounting cavity 42, and the fourth mounting cavity 43 are located in the second portion 12. Valve block 1 includes first groove 14 and first connecting portion 15, along the axial of installation cavity, first groove 14 is inwards sunken from the outer wall of valve block 1 and forms, first groove 14 forms first slot 140, first slot 140 is located between first portion 11 and second portion 12, the wall of at least part first groove 14 forms the wall of first connecting portion 15, first portion 11 and second portion 12 are connected to first connecting portion 15, first connecting portion 15 has first passageway section, the part runner that first passageway section intercommunication is located first portion 11 and the part runner that is located second portion 12. In the present embodiment, the third portion (i.e., the first passage section) of the first passage 51 is located at the first connection portion 15, and the third portion of the first passage 51 communicates the first portion of the first passage 51 located at the first portion 11 and the second portion of the first passage 51 located at the second portion 12. The first slot 140 is advantageous for reducing the mutual interference between the channel passage located in the first portion 11 and the channel passage located in the second portion 12, and is advantageous for reducing the harmful heat transfer between different temperatures of the working fluid in different channels, and is advantageous for stable operation of the thermal management system. Specifically, in the second operation mode, the temperature of the working fluid in the first sub-channel 511 and the second sub-channel 52 of the first portion 11 is high temperature working fluid, and the temperature of the working fluid in the third channel 53 of the second portion is relatively low temperature working fluid, and due to the temperature difference, heat exchange occurs between the working fluid in the first portion 11 and the working fluid in the second portion 12, and such heat exchange may reduce the performance of the thermal management system, which is not favorable for stable operation of the thermal management system.

Valve block 1 still includes second groove 16 and second connecting portion 17, along the axial of installation cavity, second groove 16 is from the inside sunken formation of outer wall of valve block 1, second groove 16 forms second slot 160, second slot 160 is located between second portion 12 and third portion 13, the wall of at least part second groove 16 forms the wall of second connecting portion 17, second portion 12 and third portion 13 are connected to second connecting portion 17, second connecting portion 17 has the second passageway section, second passageway section intercommunication is located the partial discharge way of second portion 12 and is located the partial discharge way of third portion 13. In the present embodiment, the second portion of the fourth passage 54, the fifth passage 55, the sixth passage 56, the seventh passage 57, and the third mounting chamber 43 are located in the third portion 13, the third portion (i.e., the second passage section) of the fourth passage 54 is located in the second connecting portion 17, and the third portion of the fourth passage 54 communicates the first portion of the fourth passage 54 located in the second portion 12 and the second portion of the fourth passage 54 located in the third portion 13. The provision of the second slot 160 facilitates reducing interference between the temperature of the working fluid in, for example, the third channel 53 of the second portion 12 (which is a high temperature working fluid in the first mode of operation) and the temperature of the working channels in, for example, the fifth channel 55 and the sixth channel 56 of the third portion 13 (which are low temperature or relatively low temperature working fluids in the first mode of operation), facilitates reducing detrimental heat transfer between the different temperatures of the working fluids in the different channels, and facilitates stable operation of the thermal management system.

It should be noted that: although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications and equivalents may be made thereto, and all technical solutions and modifications that do not depart from the spirit and scope of the present application are intended to be covered by the claims of the present application.

Claims (10)

1. A thermal management assembly comprising a valve element and a valve block, the valve block having a passage, the valve element being fixedly or captively connected to the valve block, the valve element being capable of communicating and not communicating two or more of the passages, characterized in that: the valve block comprises a first portion, a second portion, a first groove and a first connecting portion, one portion of the channel is located in the first portion, the other portion of the channel is located in the second portion, the first groove forms a first groove cavity, the first groove cavity is located between the first portion and the second portion, at least part of the wall surface of the first groove forms the wall surface of the first connecting portion, and the first connecting portion is connected with the first portion and the second portion.

2. The thermal management assembly of claim 1, wherein: the first connecting part is provided with a first channel section which is communicated with a part of flow passage at the first part and a part of flow passage at the second part;

at least one of the flow passages in the first portion communicates with at least one of the flow passages in the second portion through a heat exchanger, or the valve element includes a throttle element and an on-off valve element, one of which is located in the first portion and the other of which is located in the second portion.

3. The thermal management assembly of claim 2, wherein: the valve block further includes a third portion, a second groove, and a second connecting portion, a further portion of the passage is located in the third portion, the second groove forms a second groove cavity located between the second portion and the third portion, a wall surface of at least a portion of the second groove is formed as a wall surface of the second connecting portion, and the second connecting portion connects the second portion and the third portion.

4. The thermal management assembly of claim 3, wherein: the second connecting part is provided with a second channel section which is communicated with a part of flow channel positioned in the second part and a part of flow channel positioned in the third part;

at least one of the flow passages in the second portion is communicated with at least one of the flow passages in the third portion through a heat exchanger, or one of the throttle valve element and the on-off valve element is located in the second portion and the other is located in the third portion.

5. The thermal management assembly of claim 4, wherein: the passages include a first passage, a second passage, a third passage, a fourth passage, a fifth passage, a sixth passage, and a seventh passage, the valve element includes a first switching valve element, a second switching valve element, a third switching valve element, and a first throttle valve element, the first switching valve element is capable of communicating and not communicating the first passage and the second passage, the second switching valve element is capable of communicating and not communicating the first passage and the third passage, the third switching valve element is capable of communicating and not communicating the third passage and the fourth passage, the fourth passage is communicated with the fifth passage, and the first throttle valve element is capable of communicating and not communicating the sixth passage and the seventh passage.

6. The thermal management assembly of claim 5, wherein: the first part of the first channel and the second channel are positioned in the first part, the second part of the first channel, the third channel and the first part of the fourth channel are positioned in the second part, the third part of the first channel is positioned in the first connecting part, and the third part of the first channel is communicated with the first part of the first channel and the second part of the first channel;

the second portion of the fourth channel, the fifth channel, the sixth channel, and the seventh channel are located in the third portion, the third portion of the fourth channel is located in the second connection portion, and the third portion of the fourth channel communicates the first portion of the fourth channel and the second portion of the fourth channel.

7. The thermal management assembly of claim 6, wherein: the heat management assembly further comprises a gas-liquid separation element, the gas-liquid separation element is fixedly connected or in limiting connection with the valve block, the gas-liquid separation element is provided with a first interface, a second interface, a third interface and a fourth interface, the third interface is communicated with the fifth channel, the fourth interface is communicated with the seventh channel, and the first interface and the second interface are used for being communicated with other components or other pipelines in the heat management system.

8. The thermal management assembly of any of claims 5-7, wherein: the thermal management assembly includes, but is not limited to, two modes of operation:

a first operating mode: the first on-off valve element, the third on-off valve element, the second on-off valve element, and the first throttle element are closed, the first passage communicates with the third passage through the second on-off valve element, and the sixth passage communicates with the seventh passage through the first throttle element;

a second operating mode: the second on-off valve element is closed, the first on-off valve element, the third on-off valve element and the first throttle valve element are opened, the first passage is communicated with the second passage through the first on-off valve element, the third passage is communicated with the fourth passage through the third on-off valve element, and the sixth passage is communicated with the seventh passage through the first throttle valve element.

9. The utility model provides a thermal management system, includes compressor, indoor heat exchanger, outdoor heat exchanger, plate heat exchanger which characterized in that: the heat management system further comprises a heat management assembly, the heat management assembly is respectively communicated with the compressor, the indoor heat exchanger, the outdoor heat exchanger and the plate heat exchanger through pipelines, and the heat management assembly is the heat management assembly in any one of claims 1-8.

10. The thermal management system of claim 9, wherein: the thermal management system further comprises a fourth switching valve element, the thermal management assembly comprising a first port, a second port, a third port, a fourth port, a fifth port, a seventh port, an eighth port, a first interface, a second interface;

an inlet of the compressor is communicated with the first port, and an outlet of the compressor is communicated with the first port; one side opening of the indoor heat exchanger is communicated with the second port, the one side opening of the indoor heat exchanger can also be communicated with the fourth port through the fourth switching valve element, and the other side opening of the indoor heat exchanger is communicated with the seventh port; an opening on one side of the outdoor heat exchanger is communicated with the third port, and the opening on the other side of the outdoor heat exchanger is communicated with the second port; and an opening on one side of the plate heat exchanger is communicated with the fifth port, and an opening on the other side of the plate heat exchanger is communicated with the eighth port.

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