CN215552429U

CN215552429U - Integrated valve group type thermal management system

Info

Publication number: CN215552429U
Application number: CN202121699599.4U
Authority: CN
Inventors: 淮晓利; 付刚平; 其他发明人请求不公开姓名
Original assignee: Shanghai Konowei New Energy Technology Co ltd
Current assignee: Wuxi Konowei New Energy Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-18
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to the technical field of heat management of electric vehicles, and discloses an integrated valve group type heat management system which comprises a compressor, an outdoor heat exchanger, two evaporators and a first integrated valve group, wherein the two evaporators are respectively an under-cabin evaporator and a battery evaporator, the first integrated valve group comprises a first four-way reversing valve, a first refrigeration electromagnetic valve, a second refrigeration electromagnetic valve, a first expansion valve and a second expansion valve, four communication ports of the first four-way reversing valve are respectively communicated with an inlet of the compressor, an outlet of the compressor, a first communication port and a second communication port, the first communication port and the fourth communication port are both communicated with the outdoor heat exchanger, the second communication port and the fifth communication port are both communicated with the battery evaporator, and the third communication port and the sixth communication port are both communicated with the under-cabin evaporator. The integrated valve bank type heat management system disclosed by the utility model adopts an integrated valve bank design, reduces the volume of the heat management system and reduces the space occupied by the heat management system when the heat management system is installed on an electric vehicle.

Description

Integrated valve group type thermal management system

Technical Field

The utility model relates to the technical field of thermal management of electric vehicles, in particular to an integrated valve modular thermal management system.

Background

The existing heat management system comprises a plurality of valves, and each valve is arranged on a pipeline, so that the heat management system is large in size, occupies a large space when being installed on an electric vehicle, and is not beneficial to the miniaturization of the electric vehicle.

SUMMERY OF THE UTILITY MODEL

Based on the above, the present invention provides an integrated valve bank type thermal management system, which adopts an integrated valve bank design, reduces the volume of the thermal management system, and reduces the space occupied by the thermal management system when the thermal management system is installed on an electric vehicle.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an integrated valve group type heat management system comprises a compressor, an outdoor heat exchanger, two evaporators and a first integrated valve group, wherein the two evaporators are respectively an in-cabin evaporator capable of heating or cooling a cabin and a battery evaporator capable of heating or cooling a battery, the first integrated valve group comprises a first communicating port, a second communicating port, a third communicating port, a fourth communicating port, a fifth communicating port, a sixth communicating port, a first four-way reversing valve, a first refrigeration electromagnetic valve, a second refrigeration electromagnetic valve, a first expansion valve and a second expansion valve, the four communicating ports of the first four-way reversing valve are respectively communicated with an inlet of the compressor, an outlet of the compressor, the first communicating port and the second communicating port, the first communicating port and the fourth communicating port are both communicated with the outdoor heat exchanger, the second communicating port and the fifth communicating port are both communicated with the battery evaporator, the third communicating port and the sixth communicating port are both communicated with the under-cabin evaporator, one of an inlet of the compressor and an outlet of the compressor can be communicated with the first communicating port through the first four-way reversing valve, and the other can be communicated with the second communicating port through the first four-way reversing valve, the first communication port and the third communication port can be communicated by the first refrigeration solenoid valve, the second communication port and the third communication port can be communicated by the second refrigeration solenoid valve, the fourth communication port and the fifth communication port can be communicated by the first expansion valve and the second expansion valve, the fourth communication port and the sixth communication port can be communicated with each other by the first expansion valve, and the fifth communication port and the sixth communication port can be communicated with each other by the second expansion valve.

As a preferred aspect of the integrated valve thermal management system, the first integrated valve group further includes: the refrigeration system comprises a first channel, a second channel, a third channel and a fourth channel, wherein two ends of the first channel are respectively communicated with a first communication port and a second communication port, the second channel and the third channel are arranged in parallel, the same ends of the second channel and the third channel are both communicated with the first channel, the other ends of the second channel and the third channel are both communicated with the fourth channel, the fourth channel is communicated with a third communication port, a first refrigeration electromagnetic valve is arranged on the second channel, a second refrigeration electromagnetic valve is arranged on the third channel, and a first four-way reversing valve is arranged on the first channel and is positioned between the second channel and the third channel; the two ends of the fifth channel are respectively communicated with the fourth communication port and the fifth communication port, one end of the sixth channel is communicated with the fifth channel, the other end of the sixth channel is communicated with the sixth communication port, the first expansion valve is arranged on the fifth channel and is positioned between the fourth communication port and the fifth communication port, and the second expansion valve is arranged on the fifth channel and is positioned between the sixth communication port and the fifth communication port.

As a preferred scheme of the integrated valve group type thermal management system, the integrated valve group type thermal management system further comprises an in-cabin heat exchange piece and a battery heat exchange piece, circulating liquid in the in-cabin heat exchange piece can exchange heat with a refrigerant in the in-cabin evaporator, and circulating liquid in the battery heat exchange piece can exchange heat with the refrigerant in the battery evaporator.

As a preferred scheme of the integrated valve group type heat management system, the integrated valve group type heat management system further comprises a motor-driven heat exchange assembly, and the motor-driven heat exchange assembly can exchange heat with the outdoor heat exchanger and can be communicated with the battery heat exchange piece and the cabin interior heat exchange piece.

As an optimal scheme of the integrated valve group type heat management system, the integrated valve group type heat management system further comprises a heat dissipation water tank, and the heat dissipation water tank can be communicated with the motor-driven heat exchange assembly or simultaneously communicated with the battery heat exchange piece and the motor-driven heat exchange assembly.

As a preferred scheme of the integrated valve group type heat management system, the integrated valve group type heat management system further comprises a second integrated valve group, the second integrated valve group comprises a first inlet, a second inlet, a third inlet, a fourth inlet, a first outlet, a second outlet, a third outlet, a fourth outlet, a first waterway solenoid valve, a second waterway solenoid valve, a third waterway solenoid valve and a second four-way reversing valve, the first inlet is communicated with an outlet of the battery heat exchange member, the second inlet is communicated with a heat exchange outlet of the outdoor heat exchanger, the third inlet is communicated with an outlet of the cabin heat exchange member, the fourth inlet is communicated with an outlet of the motor-driven heat exchange assembly, the first outlet is communicated with an inlet of the heat dissipation water tank, the second outlet is communicated with an inlet of the cabin heat exchange member, and the third outlet is communicated with a heat exchange inlet of the battery evaporator, the fourth outlet is communicated with an inlet of the motor-driven heat exchange assembly, the first inlet can be communicated with the third outlet through the second four-way reversing valve and the second waterway solenoid valve, the first inlet can be communicated with the fourth outlet through the second four-way reversing valve, the second inlet can be communicated with the first outlet through the first waterway solenoid valve, the second inlet can be communicated with the third outlet through the second four-way reversing valve and the second waterway solenoid valve, the second inlet can be communicated with the fourth outlet through the second four-way reversing valve, the fourth inlet can be communicated with the first outlet, the fourth inlet can be communicated with the second outlet through the third waterway solenoid valve, and the fourth inlet can be communicated with the third outlet through the first waterway solenoid valve, And the second four-way reversing valve is communicated with the second waterway electromagnetic valve.

As a preferred embodiment of the integrated valve group type thermal management system, the second integrated valve group further includes a first communicating channel, a second communicating channel, a third communicating channel, a fourth communicating channel, a fifth communicating channel and a sixth communicating channel, both ends of the first communicating channel are respectively communicated with the first inlet and the first outlet, the second communicating channel is communicated with the first communicating channel, both ends of the second communicating channel are respectively communicated with the second outlet and the third inlet, the third communicating channel is parallel to the second communicating channel, one end of the third communicating channel is communicated with the first communicating channel, the other end of the third communicating channel is communicated with the second inlet, the fourth communicating channel is parallel to the second communicating channel and is communicated with the first communicating channel, both ends of the fourth communicating channel are respectively communicated with the third outlet and the fourth outlet, the sixth communicating channel is parallel to the second communicating channel and is communicated with the fifth communicating channel The fourth intercommunication passageway intercommunication, the fifth intercommunication passageway with the intercommunication position between the fourth intercommunication passageway is close to the third export, the setting of second four-way reversing valve is in first intercommunication passageway with the intersection position of fourth intercommunication passageway, first water route solenoid valve sets up on the first intercommunication passageway and is located the second intercommunication passageway with between the third intercommunication passageway, the setting of second water route solenoid valve is in on the fourth intercommunication passageway and is located the fifth intercommunication passageway with between the second four-way reversing valve, third water route solenoid valve sets up on the second intercommunication passageway and is located first intercommunication passageway with between the second export.

As a preferable aspect of the integrated valve-integrated thermal management system, the integrated valve-integrated thermal management system further includes a first heating member provided on the cabin interior heat exchange member to heat the cabin.

As a preferable scheme of the integrated valve-based thermal management system, the integrated valve-based thermal management system further includes a second heating element and a first water pump, the second heating element is disposed at an upstream of a heat exchange inlet of the battery evaporator to heat the circulation liquid, and the first water pump is disposed between the battery evaporator and the battery heat exchange member to pump the circulation liquid into the battery heat exchange member.

As a preferable scheme of the integrated valve bank type thermal management system, the integrated valve bank type thermal management system further comprises a second water pump and a third water pump, the second water pump is arranged at the upstream of the heat dissipation water tank to pump the circulating liquid into the heat dissipation water tank, and the third water pump is arranged at the upstream of a heat exchange inlet of the under-cabin evaporator to pump the circulating liquid in the under-cabin evaporator into the under-cabin evaporator.

The utility model has the beneficial effects that: the integrated valve bank type thermal management system disclosed by the utility model has the advantages that the cabin evaporator can heat or cool the cabin, the battery evaporator can heat or cool the battery, so that the integrated valve bank type thermal management system can meet the thermal requirements on the cabin and the battery, and the first integrated valve bank integrates the first refrigeration electromagnetic valve, the second refrigeration electromagnetic valve, the first expansion valve and the second expansion valve.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic diagram of an integrated valve modular thermal management system provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first integrated valve pack of the integrated valve pack type thermal management system according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a first integrated valve pack of an integrated valve pack thermal management system provided by an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a second integrated valve pack of the integrated valve pack thermal management system according to an embodiment of the present invention;

figure 5 is a schematic diagram of a second integrated valve block of an integrated valve block thermal management system provided by an embodiment of the present invention.

In the figure:

11. a compressor; 12. an outdoor heat exchanger; 13. an in-cabin evaporator; 14. a battery evaporator;

201. a first communication port; 202. a second communication port; 203. a third communication port; 204. a fourth communication port; 205. a fifth communication port; 206. a sixth communication port; 207. a first channel; 208. a second channel; 209. a third channel; 210. a fourth channel; 211. a fifth channel; 212. a sixth channel; 21. a first four-way reversing valve; 22. a first refrigeration solenoid valve; 23. a second refrigeration solenoid valve; 24. a first expansion valve; 25. a second expansion valve; 26. a first integration plate;

3. an in-cabin heat exchange member;

4. a battery heat exchanger;

5. the motor drives the heat exchange assembly; 51. a motor heat exchange member; 52. a first drive member heat exchange member; 53. a second drive member heat exchange member;

6. a heat radiation water tank;

701. a first inlet; 702. a second inlet; 703. a third inlet; 704. a fourth inlet; 705. a first outlet; 706. a second outlet; 707. a third outlet; 708. a fourth outlet; 709. a first communicating passage; 710. a second communicating passage; 711. a third communicating passage; 712. a fourth communication passage; 713. a fifth communicating channel; 714. a sixth communicating passage; 71. a first waterway solenoid valve; 72. a second waterway solenoid valve; 73. a third waterway solenoid valve; 74. a second four-way reversing valve; 75. a second integration plate;

81. a first heating member; 82. a second heating member; 83. a first water pump; 84. a second water pump; 85. and a third water pump.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides an integrated valve type thermal management system, as shown in fig. 1 to 3, including a compressor 11, an outdoor heat exchanger 12, two evaporators and a first integrated valve set, the two evaporators are respectively an indoor evaporator 13 capable of heating or cooling a cabin and a battery evaporator 14 capable of heating or cooling a battery, the first integrated valve set includes a first communicating port 201, a second communicating port 202, a third communicating port 203, a fourth communicating port 204, a fifth communicating port 205, a sixth communicating port 206, a first four-way reversing valve 21, a first refrigeration solenoid valve 22, a second refrigeration solenoid valve 23, a first expansion valve 24 and a second expansion valve 25, the four communicating ports of the first four-way reversing valve 21 are respectively communicated with an inlet of the compressor 11, an outlet of the compressor 11, the first communicating port 201 and the second communicating port 202, the first communicating port 201 and the fourth communicating port 204 are both communicated with the outdoor heat exchanger 12, the second communication port 202 and the fifth communication port 205 are both communicated with the battery evaporator 14, the third communication port 203 and the sixth communication port 206 are both communicated with the cabin evaporator 13, one of the inlet of the compressor 11 and the outlet of the compressor 11 can be communicated with the first communication port 201 through the first four-way selector valve 21, the other can be communicated with the second communication port 202 through the first four-way selector valve 21, the first communication port 201 and the third communication port 203 can be communicated with each other through the first refrigeration solenoid valve 22, the second communication port 202 and the third communication port 203 can be communicated with each other through the second refrigeration solenoid valve 23, the fourth communication port 204 and the fifth communication port 205 can be communicated with each other through the first expansion valve 24 and the second expansion valve 25, the fourth communication port 204 and the sixth communication port 206 can be communicated with each other through the first expansion valve 24, and the fifth communication port 205 and the sixth communication port 206 can be communicated with each other through the second expansion valve 25.

It should be noted that the integrated valve stack type thermal management system of the present embodiment can implement the operating condition that the cabin evaporator 13 heats the cabin while the battery evaporator 14 cools the battery, the cabin evaporator 13 cools the cabin while the battery evaporator 14 cools the battery, the cabin evaporator 13 heats the cabin while the battery evaporator 14 heats the battery, only the cabin evaporator 13 heats the cabin, and only the cabin evaporator 13 cools the cabin.

When the cabin evaporator 13 heats the cabin and the battery evaporator 14 cools the battery, the first refrigeration solenoid valve 22 and the second expansion valve 25 are opened, and at this time, the refrigerant flowing out of the outlet of the compressor 11 sequentially flows through the first four-way reversing valve 21, the first refrigeration solenoid valve 22, the cabin evaporator 13, the second expansion valve 25, the battery evaporator 14 and the first four-way reversing valve 21 and then returns to the compressor 11, and at this time, the cabin evaporator 13 can heat the cabin, and the battery evaporator 14 can cool the battery.

When the cabin evaporator 13 cools the cabin and the battery evaporator 14 cools the battery, the second refrigeration solenoid valve 23, the first expansion valve 24 and the second expansion valve 25 are opened, at this time, the refrigerant flowing out of the outlet of the compressor 11 passes through the first four-way reversing valve 21, the outdoor heat exchanger 12 and the first expansion valve 24 and then is divided into two branches, the refrigerant of one branch sequentially passes through the second expansion valve 25 and the battery evaporator 14, the refrigerant of the other branch sequentially passes through the cabin evaporator 13 and the second refrigeration solenoid valve 23, then the refrigerants of the two branches are merged and flow back to the compressor 11 through the first four-way reversing valve 21, at this time, the cabin evaporator 13 can cool the cabin and the battery evaporator 14 can cool the battery.

When the cabin evaporator 13 heats the cabin and the battery evaporator 14 heats the battery, the second refrigeration solenoid valve 23, the first expansion valve 24 and the second expansion valve 25 are opened, at this time, the refrigerant flowing out of the outlet of the compressor 11 passes through the first four-way reversing valve 21 and then is divided into two branches, the refrigerant of one branch passes through the battery evaporator 14 and the second expansion valve 25 in sequence, the refrigerant of the other branch passes through the second refrigeration solenoid valve 23 and the cabin evaporator 13 in sequence, then the refrigerants of the two branches are converged and flow back to the compressor 11 after passing through the first expansion valve 24, the outdoor heat exchanger 12 and the first four-way reversing valve 21 in sequence, at this time, the cabin evaporator 13 can heat the cabin and the battery evaporator 14 can heat the battery.

When only the cabin evaporator 13 heats the cabin and the battery does not need to be cooled and heated, the first expansion valve 24 and the second refrigeration solenoid valve 23 are opened, and at the moment, the refrigerant flowing out of the outlet of the compressor 11 flows back to the compressor 11 after sequentially passing through the first four-way reversing valve 21, the second refrigeration solenoid valve 23, the cabin evaporator 13, the first expansion valve 24, the outdoor heat exchanger 12 and the first four-way reversing valve 21, and at the moment, the cabin evaporator 13 can heat the cabin.

When only the cabin evaporator 13 cools the cabin and the battery does not need to be cooled and heated, the first expansion valve 24 and the second refrigeration solenoid valve 23 are opened, and at the moment, the refrigerant flowing out of the outlet of the compressor 11 flows back to the compressor 11 after sequentially passing through the first four-way reversing valve 21, the outdoor heat exchanger 12, the first expansion valve 24, the cabin evaporator 13, the second refrigeration solenoid valve 23 and the first four-way reversing valve 21, and at the moment, the cabin evaporator 13 can cool the cabin.

The integrated valve bank type thermal management system provided by the embodiment can heat or cool the cabin due to the in-cabin evaporator 13, and can heat or cool the battery due to the battery evaporator 14, so that the integrated valve bank type thermal management system can meet the heat exchange requirements of the cabin and the battery, and the first integrated valve bank integrates the first refrigeration electromagnetic valve 22, the second refrigeration electromagnetic valve 23, the first expansion valve 24 and the second expansion valve 25.

Specifically, as shown in fig. 2, the first integrated valve set of this embodiment further includes a first channel 207, a second channel 208, a third channel 209, a fourth channel 210, a fifth channel 211, and a sixth channel 212, two ends of the first channel 207 are respectively communicated with the first communicating port 201 and the second communicating port 202, the second channel 208 and the third channel 209 are arranged in parallel, and the same ends of the two are both communicated with the first channel 207, the other ends are both communicated with the fourth channel 210, the fourth channel 210 is communicated with the third communicating port 203, the first refrigeration solenoid valve 22 is arranged on the second channel 208, the second refrigeration solenoid valve 23 is arranged on the third channel 209, the first four-way reversing valve 21 is arranged on the first channel 207 and located between the second channel 208 and the third channel 209, two ends of the fifth channel 211 are respectively communicated with the fourth communicating port 204 and the fifth communicating port 205, one end of the sixth channel 212 is communicated with the fifth channel 211, the other end communicates with the sixth communication port 206, the first expansion valve 24 is provided on the fifth passage 211 between the fourth communication port 204 and the fifth communication port 205, and the second expansion valve 25 is provided on the fifth passage 211 between the sixth communication port 206 and the fifth communication port 205.

Further, as shown in fig. 2 and 3, the first communication port 201, the second communication port 202, the third communication port 203, the fourth communication port 204, the fifth communication port 205, the sixth communication port 206, the first channel 207, the second channel 208, the third channel 209, the fourth channel 210, the fifth channel 211, and the sixth channel 212 of the present embodiment are formed on the first manifold plate 26, the second channel 208 is perpendicular to the first channel 207, the fifth channel 211 is parallel to the first channel 207, the sixth channel 212 is perpendicular to the fifth channel 211, the first communication port 201, the third communication port 203, and the fourth communication port 204 are located on the first side of the first manifold plate 26, the second communication port 202 and the fifth communication port 205 are located on the second side of the first side manifold plate 26, the first side is located opposite to the first side, and the sixth communication port 206 is located on the first side of the first manifold plate 26. Compared with the structure formed by the existing valve and the pipeline, the first integrated valve group of the embodiment has the advantages of higher integration degree, smaller volume, contribution to miniaturization setting of an electric vehicle, more convenience in installation and lower processing cost.

As shown in fig. 1, the integrated valve-based thermal management system of this embodiment further includes an in-cabin heat exchange member 3, a battery heat exchange member 4, a motor-driven heat exchange assembly 5, and a heat dissipation water tank 6, where a circulation liquid in the in-cabin heat exchange member 3 can exchange heat with a refrigerant in an in-cabin evaporator 13 to achieve a purpose of heating or cooling the cabin, and a circulation liquid in the battery heat exchange member 4 can exchange heat with a refrigerant in a battery evaporator 14 to achieve a purpose of heating or cooling the battery. The motor-driven heat exchange assembly 5 is capable of exchanging heat with the outdoor heat exchanger 12 and is capable of communicating with the battery heat exchanger 4 and the cabin heat exchanger 3. The heat dissipation water tank 6 can be communicated with the motor-driven heat exchange assembly 5 or simultaneously communicated with the battery heat exchange member 4 and the motor-driven heat exchange assembly 5. Wherein, the outlet of the heat radiation water tank 6 is communicated with the heat exchange inlet of the outdoor heat exchanger 12, and the heat exchange outlet of the outdoor heat exchanger 12 can be communicated with the heat exchange inlet of the battery evaporator 14.

If the temperature of the battery is too high, the heat dissipation water tank 6 is communicated with the battery heat exchange piece 4 and the motor-driven heat exchange assembly 5 at the same time, and at the moment, the heat dissipation water tank 6 can cool the circulating liquid in the battery heat exchange piece 4, so that the temperature of the battery is reduced; if the temperatures of the battery and the electric drive are both too high, the heat dissipation water tank 6 is communicated with the battery heat exchange piece 4 and the motor-driven heat exchange assembly 5 at the same time, and the heat dissipation water tank 6 can cool the circulating liquid in the battery heat exchange piece 4 and the motor-driven heat exchange assembly 5, so that the temperatures of the battery and the electric drive are reduced; if the temperature of electricity drives than higher, with heat radiation water tank 6 and motor drive heat exchange assemblies 5 intercommunication, heat radiation water tank 6 can cool down the circulation liquid in the motor drive heat exchange assemblies 5 this moment to make the temperature of electricity drive reduce.

It should be noted that the cabin heat exchange element 3, the motor-driven heat exchange assembly 5, the battery heat exchange element 4, and the heat dissipation water tank 6 all flow circulating liquid, and the freezing temperature of the circulating liquid is relatively low, generally speaking, the freezing temperature of the circulating liquid is required to be lower than-20 ℃, the type of the circulating liquid is specifically selected according to actual needs, and this embodiment is not limited.

Specifically, the electric drive of the present embodiment is composed of a motor and two driving members, and therefore, as shown in fig. 1, the motor-driven heat exchange assembly 5 is composed of a motor heat exchange member 51, a first driving member heat exchange member 52 and a second driving member heat exchange member 53, the motor heat exchange member 51, the first driving member heat exchange member 52 and the second driving member heat exchange member 53 are arranged in parallel, the motor heat exchange member 51 is used for heating or cooling the motor, the first driving member heat exchange member 52 is used for heating or cooling one driving member, and the second driving member heat exchange member 53 is used for heating or cooling the other driving member. In other embodiments, the number of the motors and the driving members included in the electric drive is not limited to the number of the electric drive, and may be other numbers, and the motors and the drives are not limited to the parallel arrangement of the present embodiment, and may also be arranged in series, or arranged in parallel after being connected in series, at this time, the heat exchange assemblies 5 driven by the motors are changed along with the composition and arrangement mode of the electric drive.

The integrated valve-based thermal management system of the present embodiment further includes a second integrated valve set, as shown in fig. 1, 4 and 5, the second integrated valve set includes a first inlet 701, a second inlet 702, a third inlet 703, a fourth inlet 704, a first outlet 705, a second outlet 706, a third outlet 707, a fourth outlet 708, a first waterway solenoid valve 71, a second waterway solenoid valve 72, a third waterway solenoid valve 73 and a second four-way reversing valve 74, the first inlet 701 is communicated with the outlet of the battery heat exchange member 4, the second inlet 702 is communicated with the heat exchange outlet of the outdoor heat exchanger 12, the third inlet 703 is communicated with the outlet of the cabin heat exchange member 3, the fourth inlet 704 is communicated with the outlet of the motor-driven heat exchange member 5, the first outlet 705 is communicated with the inlet of the water tank heat sink 6, the second outlet 706 is communicated with the inlet of the cabin heat exchange member 3, the third outlet 707 is communicated with the heat exchange inlet of the battery evaporator 14, the fourth outlet 708 is communicated with an inlet of the motor-driven heat exchange assembly 5, the first inlet 701 can be communicated with the third outlet 707 through the second four-way reversing valve 74 and the second waterway solenoid valve 72, the first inlet 701 can be communicated with the fourth outlet 708 through the second four-way reversing valve 74, the second inlet 702 can be communicated with the first outlet 705 through the first waterway solenoid valve 71, the second inlet 702 can be communicated with the third outlet 707 through the second four-way reversing valve 74 and the second waterway solenoid valve 72, the second inlet 702 can be communicated with the fourth outlet 708 through the second four-way reversing valve 74, the fourth inlet 704 can be communicated with the first outlet 705, the fourth inlet 704 can be communicated with the second outlet 706 through the third waterway solenoid valve 73, and the fourth inlet 704 can be communicated with the third outlet 707 through the first waterway solenoid valve 71, the second four-way reversing valve 74 and the second waterway solenoid valve 72.

Specifically, as shown in fig. 1, 4 and 5, the first water path solenoid valve 71 can communicate the outlet of the motor-driven heat exchange assembly 5 directly with the second four-way reversing valve 74, the second water path solenoid valve 72 can communicate the second four-way reversing valve 74 with the heat exchange inlet of the battery evaporator 14, the third water path solenoid valve 73 can communicate the outlet of the motor-driven heat exchange assembly 5 directly with the inlet of the under-cabin heat exchange member 3, the second four-way reversing valve 74 can communicate one of the outlet of the motor-driven heat exchange assembly 5 and the heat exchange outlet of the outdoor heat exchanger 12 with the second water path solenoid valve 72 or the inlet of the motor-driven heat exchange assembly 5, and can communicate the outlet of the battery heat exchange member 4 with the inlet of the motor-driven heat exchange assembly 5 or the second water path solenoid valve 72, thereby the motor-driven heat exchange assembly 5 is radiated through the heat radiation water tank 6, or the battery heat exchange member 4 is radiated through the heat radiation water tank 6.

Specifically, as shown in fig. 4, the second integrated valve block further includes a first communicating channel 709, a second communicating channel 710, a third communicating channel 711, a fourth communicating channel 712, a fifth communicating channel 713, and a sixth communicating channel 714, both ends of the first communicating channel 709 are respectively communicated with the first inlet 701 and the first outlet 705, the second communicating channel 710 is communicated with the first communicating channel 709 and both ends thereof are respectively communicated with the second outlet 706 and the third inlet 703, the third communicating channel 711 is parallel to the second communicating channel 710 and one end thereof is communicated with the first communicating channel 709 and the other end thereof is communicated with the second inlet 702, the fourth communicating channel 712 is parallel to the second communicating channel 710 and is communicated with the first communicating channel 709, both ends of the fourth communicating channel 712 are respectively communicated with the third outlet 707 and the fourth outlet 708, the sixth communicating channel 714 is parallel to the second communicating channel 710 and is communicated with the fourth communicating channel 712 through the fifth communicating channel 713, a communication position between the fifth communication passage 713 and the fourth communication passage 712 is near the third outlet 707, the second four-way selector valve 74 is disposed at a junction position of the first communication passage 709 and the fourth communication passage 712, the first waterway solenoid valve 71 is disposed on the first communication passage 709 and between the second communication passage 710 and the third communication passage 711, the second waterway solenoid valve 72 is disposed on the fourth communication passage 712 and between the fifth communication passage 713 and the second four-way selector valve 74, and the third waterway solenoid valve 73 is disposed on the second communication passage 710 and between the first communication passage 709 and the second outlet 706.

Further, as shown in fig. 4 and 5, the first communication passage 709, the second communication passage 710, the third communication passage 711, the fourth communication passage 712, the fifth communication passage 713, the sixth communication passage 714, the first inlet 701, the second inlet 702 of the present embodiment, the third inlet 703, the fourth inlet 704, the first outlet 705, the second outlet 706, the third outlet 707, and the fourth outlet 708 are formed on the second manifold plate 75, the first communicating channel 709 is perpendicular to the second communicating channel 710, the fifth communicating channel 713 is parallel to the first communicating channel 709, the first outlet 705 and the first inlet 701 are respectively disposed on two opposite sides of the second manifold plate 75, the second inlet 702, the third inlet 703, the second outlet 706, and the third outlet 707 are disposed on the same side of the second manifold plate 75, and the fourth inlet 704 and the fourth outlet 708 are disposed on the other side of the second manifold plate 75. The structure that the integrated valves of second of this embodiment formed with current valve and pipe connection compares, and integrated degree is higher, and the volume is littleer, is favorable to electric vehicle's miniaturized setting, and the installation is also more convenient moreover, and the processing cost is lower.

As shown in fig. 1, the integrated valve-based thermal management system of the present embodiment further includes a first heating member 81, a second heating member 82, a first water pump 83, a second water pump 84, and a third water pump 85, and the first heating member 81 is provided on the cabin interior heat exchange member 3 to heat the cabin. The second heating member 82 is provided upstream of the heat exchange inlet of the battery evaporator 14 to heat the circulating liquid, and the first water pump 83 is provided between the battery evaporator 14 and the battery heat exchange member 4 to pump the circulating liquid into the battery heat exchange member 4. A second water pump 84 is provided upstream of the radiator tank 6 to pump the circulation liquid into the radiator tank 6, and a third water pump 85 is provided upstream of the heat exchange inlet of the in-cabin evaporator 13 to pump the circulation liquid in the in-cabin evaporator 13 into the in-cabin evaporator 13.

In particular, the first heating element 81 is capable of heating the cabin to rapidly warm the cabin, and the second heating element 82 is capable of heating the circulating liquid entering the heat exchange inlet of the battery evaporator 14. When the system is used in winter, the second heating element 82 is selectively opened according to the temperature working condition of the circulating liquid, if the temperature of the circulating liquid is too low, the second heating element 82 can be opened to heat the circulating liquid, and when the temperature of the circulating liquid reaches the set temperature, the second heating element 82 can be closed, specifically, the second heating element 82 is opened or the second heating element 82 is closed according to the actual working condition.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The integrated valve group type heat management system is characterized by comprising a compressor (11), an outdoor heat exchanger (12), two evaporators and a first integrated valve group, wherein the two evaporators are respectively an in-cabin evaporator (13) capable of heating or cooling a cabin and a battery evaporator (14) capable of heating or cooling a battery, the first integrated valve group comprises a first communicating port (201), a second communicating port (202), a third communicating port (203), a fourth communicating port (204), a fifth communicating port (205), a sixth communicating port (206), a first four-way reversing valve (21), a first refrigeration electromagnetic valve (22), a second refrigeration electromagnetic valve (23), a first expansion valve (24) and a second expansion valve (25), and the four communicating ports of the first four-way reversing valve (21) are respectively communicated with an inlet of the compressor (11), an outlet of the compressor (11), The first communication port (201) and the second communication port (202) are communicated, the first communication port (201) and the fourth communication port (204) are communicated with the outdoor heat exchanger (12), the second communication port (202) and the fifth communication port (205) are communicated with the battery evaporator (14), the third communication port (203) and the sixth communication port (206) are communicated with the cabin evaporator (13), one of an inlet of the compressor (11) and an outlet of the compressor (11) can be communicated with the first communication port (201) through the first four-way selector valve (21), the other can be communicated with the second communication port (202) through the first four-way selector valve (21), the first communication port (201) and the third communication port (203) can be communicated through the first refrigeration solenoid valve (22), the second communication port (202) and the third communication port (203) can communicate with each other through the second cooling solenoid valve (23), the fourth communication port (204) and the fifth communication port (205) can communicate with each other through the first expansion valve (24) and the second expansion valve (25), the fourth communication port (204) and the sixth communication port (206) can communicate with each other through the first expansion valve (24), and the fifth communication port (205) and the sixth communication port (206) can communicate with each other through the second expansion valve (25).

2. The integrated valve stack thermal management system of claim 1, wherein the first integrated valve stack further comprises:

a first channel (207), a second channel (208), a third channel (209) and a fourth channel (210), both ends of the first passage (207) are respectively communicated with the first communication port (201) and the second communication port (202), the second channel (208) and the third channel (209) are arranged in parallel, the same ends of the second channel and the third channel are communicated with the first channel (207), the other ends of the second channel and the third channel are communicated with the fourth channel (210), the fourth passage (210) communicates with the third communication port (203), the first refrigeration solenoid valve (22) is provided on the second passage (208), the second refrigeration solenoid valve (23) is disposed on the third passage (209), the first four-way selector valve (21) is disposed on the first passage (207) between the second passage (208) and the third passage (209);

the expansion valve comprises a fifth channel (211) and a sixth channel (212), two ends of the fifth channel (211) are respectively communicated with a fourth communication port (204) and a fifth communication port (205), one end of the sixth channel (212) is communicated with the fifth channel (211), the other end of the sixth channel is communicated with a sixth communication port (206), a first expansion valve (24) is arranged on the fifth channel (211) and located between the fourth communication port (204) and the fifth communication port (205), and a second expansion valve (25) is arranged on the fifth channel (211) and located between the sixth communication port (206) and the fifth communication port (205).

3. The integrated valve stack thermal management system according to claim 1, further comprising an in-cabin heat exchanger (3) and a battery heat exchanger (4), wherein the circulating fluid in the in-cabin heat exchanger (3) is capable of exchanging heat with the refrigerant in the in-cabin evaporator (13), and the circulating fluid in the battery heat exchanger (4) is capable of exchanging heat with the refrigerant in the battery evaporator (14).

4. The integrated valve modular thermal management system of claim 3, further comprising a motor driven heat exchange assembly (5), the motor driven heat exchange assembly (5) being capable of exchanging heat with the outdoor heat exchanger (12) and being capable of communicating with the battery heat exchanger (4) and the in-cabin heat exchanger (3).

5. The integrated valve modular thermal management system of claim 4, further comprising a heat sink water tank (6), wherein the heat sink water tank (6) is capable of communicating with the motor driven heat exchange assembly (5) or both the battery heat exchanger (4) and the motor driven heat exchange assembly (5).

6. The integrated valve stack thermal management system of claim 5, further comprising a second integrated valve stack comprising a first inlet (701), a second inlet (702), a third inlet (703), a fourth inlet (704), a first outlet (705), a second outlet (706), a third outlet (707), a fourth outlet (708), a first waterway solenoid valve (71), a second waterway solenoid valve (72), a third waterway solenoid valve (73), and a second four-way reversing valve (74), the first inlet (701) communicating with an outlet of the battery heat exchanger (4), the second inlet (702) communicating with a heat exchange outlet of the outdoor heat exchanger (12), the third inlet (703) communicating with an outlet of the in-cabin heat exchanger (3), the fourth inlet (704) communicating with an outlet of the motor-driven heat exchange assembly (5), the first outlet (705) is communicated with an inlet of the heat radiation water tank (6), the second outlet (706) is communicated with an inlet of the cabin heat exchange part (3), the third outlet (707) is communicated with a heat exchange inlet of the battery evaporator (14), the fourth outlet (708) is communicated with an inlet of the motor-driven heat exchange assembly (5), the first inlet (701) can be communicated with the third outlet (707) through the second four-way reversing valve (74) and the second water path solenoid valve (72), the first inlet (701) can be communicated with the fourth outlet (708) through the second four-way reversing valve (74), the second inlet (702) can be communicated with the first outlet (705) through the first water path solenoid valve (71), the second inlet (702) can be communicated with the third outlet (707) through the second four-way reversing valve (74) and the second water path solenoid valve (72), the second inlet (702) is capable of communicating with the fourth outlet (708) via the second four-way selector valve (74), the fourth inlet (704) is capable of communicating with the first outlet (705), the fourth inlet (704) is capable of communicating with the second outlet (706) via the third waterway solenoid valve (73), and the fourth inlet (704) is capable of communicating with the third outlet (707) via the first waterway solenoid valve (71), the second four-way selector valve (74), and the second waterway solenoid valve (72).

7. The integrated valve stack thermal management system according to claim 6, wherein the second integrated valve stack further comprises a first communication passage (709), a second communication passage (710), a third communication passage (711), a fourth communication passage (712), a fifth communication passage (713), and a sixth communication passage (714), the first communication passage (709) communicates with the first inlet (701) and the first outlet (705), respectively, the second communication passage (710) communicates with the first communication passage (709) and communicates with the second outlet (706) and the third inlet (703), respectively, the third communication passage (711) is parallel to the second communication passage (710) and communicates with the first communication passage (709) at one end and communicates with the second inlet (702) at the other end, and the fourth communication passage (712) is parallel to the second communication passage (710) and communicates with the first communication passage (709) A fourth communication passage (712) having two ends respectively communicating with the third outlet (707) and the fourth outlet (708), a sixth communication passage (714) parallel to the second communication passage (710) and communicating with the fourth communication passage (712) through the fifth communication passage (713), a communication position between the fifth communication passage (713) and the fourth communication passage (712) being adjacent to the third outlet (707), a second four-way selector valve (74) being disposed at a junction position of the first communication passage (709) and the fourth communication passage (712), a first water solenoid valve (71) being disposed on the first communication passage (709) and between the second communication passage (710) and the third communication passage (711), a second water solenoid valve (72) being disposed on the fourth communication passage (712) and being located on the fifth communication passage (713) and the second four-way selector valve (711) And a third water path solenoid valve (73) disposed on the second communication passage (710) between the direction change valve (74) and the first communication passage (709) and the second outlet (706).

8. The integrated valve modular thermal management system of claim 3, further comprising a first heating element (81), the first heating element (81) being provided on the in-cabin heat exchange element (3) to heat the cabin.

9. The integrated valve modular thermal management system of claim 3, further comprising a second heating element (82) and a first water pump (83), the second heating element (82) being arranged upstream of the heat exchanging inlet of the battery evaporator (14) to heat the circulating liquid, the first water pump (83) being arranged between the battery evaporator (14) and the battery heat exchanger (4) to pump circulating liquid into the battery heat exchanger (4).

10. The integrated valve stack thermal management system according to claim 5, further comprising a second water pump (84) and a third water pump (85), the second water pump (84) being arranged upstream of the radiator tank (6) to pump circulating liquid into the radiator tank (6), the third water pump (85) being arranged upstream of a heat exchange inlet of the in-cabin evaporator (13) to pump circulating liquid in the in-cabin evaporator (13) into the in-cabin evaporator (13).