CN219806683U

CN219806683U - Free combined type thermal management unit and vehicle

Info

Publication number: CN219806683U
Application number: CN202321180488.1U
Authority: CN
Inventors: 尤古塔纳·贝努利
Original assignee: Mind Electronics Appliance Co Ltd
Current assignee: Mind Electronics Appliance Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-10
Anticipated expiration: 2033-05-16

Abstract

The utility model provides a free combination type thermal management unit and a vehicle, wherein the free combination type thermal management unit comprises a plurality of thermal management modules which can be disassembled and assembled; the heat management module comprises a refrigerant side module for performing refrigerant heat management, a cooling liquid side module for performing cooling liquid heat management, and a compressor; the plurality of refrigerant side modules may be combined into a refrigerant side thermal management unit, the plurality of coolant side modules may be combined into a coolant side thermal management unit, and the plurality of refrigerant side modules and the plurality of coolant side modules may be combined into an integrated thermal management unit. According to the free combination type thermal management unit, the thermal management modules which can be disassembled and assembled are arranged, and different modules can be freely combined to form the thermal management unit which is suitable for different vehicle arrangement spaces, so that the modular management of the thermal management unit can be realized, and the adaptability of the thermal management unit is improved.

Description

Free combined type thermal management unit and vehicle

Technical Field

The utility model relates to the technical field, in particular to a free combination type thermal management unit. The utility model also relates to a vehicle provided with the free combination type thermal management unit.

Background

The vehicle thermal management system is one of main components in the vehicle, and particularly in a new energy vehicle, the vehicle thermal management system plays a vital role in the normal use of the whole vehicle. With the development of vehicle technology, the functional requirements of the vehicle thermal management system are moving toward the directions of complexity, diversification and refinement, but the existing vehicle thermal management system still has the defects of scattered components, low integration level, poor universality and the like, so that the vehicle thermal management system not only brings challenges to the arrangement of the vehicle thermal management system in the whole vehicle, but also is unfavorable for the development of the whole vehicle and the reduction of manufacturing cost.

The vehicle thermal management system is one of main components in the vehicle, and particularly in a new energy vehicle, the vehicle thermal management system plays a vital role in the normal use of the whole vehicle. Because the design modes of the whole vehicle thermal management system are more and more, the structure is more and more complex, the parts are more, the scattered arrangement not only wastes space, but also has higher cost, and is unfavorable for the miniaturization development of new energy vehicles. The current modularized development of the heat management system of the new energy vehicle is a mainstream trend, but the existing heat management system has low component integration level, poor universality and inflexibility, is generally limited to the use of traditional refrigerants, and is not beneficial to the development of the whole vehicle and the reduction of manufacturing cost.

Disclosure of Invention

In view of the foregoing, the present utility model is directed to a freely combined thermal management unit, so as to achieve modularization and integration of components of a thermal management system of a vehicle, improve the universality of the components, and facilitate reduction of the development and manufacturing costs of the whole vehicle.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a free combination type thermal management unit comprises a plurality of thermal management modules which can be disassembled and assembled;

the heat management module comprises a refrigerant side module for performing refrigerant heat management and a cooling liquid side module for performing cooling liquid heat management;

the plurality of refrigerant side modules can be combined into a refrigerant side thermal management unit, the plurality of cooling liquid side modules can be combined into a cooling liquid side thermal management unit, and the plurality of refrigerant side modules and the plurality of cooling liquid side modules can be combined into an integrated thermal management unit;

wherein the refrigerant side module comprises at least a first refrigerant side module provided with a water-cooled condenser and a second refrigerant side module provided with a two-fluid heat exchanger;

the cooling liquid side module at least comprises a first cooling liquid side module, a second cooling liquid side module and an electric heating module provided with an electric heater, wherein the first cooling liquid side module and the second cooling liquid side module are both provided with at least one cooling liquid pump and a control valve assembly for controlling the flow direction of cooling liquid.

Further, the thermal management module includes a compressor that is at least combinable with the refrigerant side module.

Further, the combined mode of the thermal management unit is one of the following modes:

a. a full integration mode including the first refrigerant side module, the second refrigerant side module, the first coolant side module, the second coolant side module, and the electric heating module and the compressor combined together;

b. a split compressor mode including the first refrigerant side module, the second refrigerant side module, the first coolant side module, the second coolant side module, and the electrical heating module combined together;

c. a refrigerant separation mode including the first coolant side module, the second coolant side module, and the electric heating module combined together, and the first refrigerant side module, the second refrigerant side module, and the compressor combined together;

d. a full separation mode including the first refrigerant side module, the second refrigerant side module, the first coolant side module, the second coolant side module, and the electric heating module and the compressor, which are disposed independently of each other.

Further, the combined mode of the thermal management unit is a first high/low pressure side separation mode, and the first high/low pressure side separation mode is one of the following:

e1. the high/low pressure side separation mode includes the first refrigerant side module, the first coolant side module, and the compressor being combined together, and the second refrigerant side module, the second coolant side module, and the electric heating module being combined together;

e2. the high/low pressure side separation mode includes the first refrigerant side module and the first coolant side module being combined together, and the second refrigerant side module, the second coolant side module, and the electric heating module and the compressor being combined together;

e3. the high/low pressure side separation mode includes the first refrigerant side module and the first coolant side module being combined together, and the second refrigerant side module, the second coolant side module, and the electric heating module being combined together.

Further, the combined mode of the thermal management unit is a second high/low pressure side separation mode, and the second high/low pressure side separation mode is one of the following:

f1. The high/low pressure side separation mode includes the first refrigerant side module, the first coolant side module, the electric heating module, and the compressor combined together, and the second refrigerant side module and the second coolant side module combined together;

f2. the high/low pressure side separation mode includes the first refrigerant side module, the first coolant side module, and the electric heating module being combined together, and the second refrigerant side module, the second coolant side module, and the compressor being combined together;

f3. the high/low pressure side separation mode includes the first refrigerant side module, the first coolant side module, and the electric heating module being combined together, and the second refrigerant side module and the second coolant side module being combined together.

Further, the first refrigerant side module at least comprises a first valve plate, and the water-cooled condenser, the high-pressure storage dryer and the first electronic expansion valve which are arranged on the first valve plate;

the first valve plate is internally provided with a circulation channel for communicating the water-cooled condenser, the high-pressure liquid storage dryer and the first electronic expansion valve.

Further, the first refrigerant side module further includes a first intermediate heat exchanger integrated on the first valve plate; the first intermediate heat exchanger is communicated with the circulation channel inside the first valve plate.

Further, the second refrigerant side module includes at least a second valve plate, and the two-fluid heat exchanger and a second electronic expansion valve provided on the second valve plate;

and a circulation channel used for communicating the double-fluid heat exchanger and the second electronic expansion valve is arranged in the second valve plate.

Further, the second refrigerant side module further includes a second intermediate heat exchanger integrated on the second valve plate;

the second intermediate heat exchanger is communicated with the circulation channel inside the second valve plate, and is positioned at the upstream of the high-pressure side of the second electronic expansion valve and at the downstream of the double-fluid heat exchanger.

Further, a refrigerant temperature detection unit and a refrigerant pressure detection unit are provided in the second refrigerant side module;

the refrigerant temperature detection unit includes a first refrigerant temperature sensor for detecting a refrigerant outlet temperature of the two-fluid heat exchanger, and a second refrigerant temperature sensor for detecting a refrigerant outlet temperature of the second intermediate heat exchanger, the refrigerant pressure detection unit including a refrigerant pressure sensor for detecting a refrigerant outlet pressure of the second intermediate heat exchanger;

The first refrigerant temperature sensor, the second refrigerant temperature sensor and the refrigerant pressure sensor are all arranged on the second valve plate.

Further, the first coolant side module comprises at least a first coolant plate, and a first coolant pump and a first control valve assembly arranged on the first coolant plate;

the cooling device comprises a first cooling liquid plate, a first control valve component and a second control valve component, wherein a circulation channel for cooling liquid circulation is formed in the first cooling liquid plate, a plurality of cooling liquid inlets and cooling liquid outlets which are communicated with the internal circulation channel are formed in the surface of the first cooling liquid plate, and the first cooling liquid pump and the first control valve component are connected in the circulation channel in the first cooling liquid plate.

Further, the first coolant side module further includes a first expansion tank in communication with the flow passage inside the first coolant plate.

Further, a first coolant temperature sensor for detecting a coolant temperature is provided in the first coolant side module, and the first coolant temperature sensor is provided on the first coolant plate.

Further, the second coolant side module comprises at least a second coolant plate, and a second coolant pump, a third coolant pump, a second control valve assembly and a second expansion tank arranged on the second coolant plate;

The cooling device comprises a first cooling liquid plate, a second cooling liquid plate, a third cooling liquid pump, a second control valve component, a second expansion tank, a second control valve component and a cooling liquid inlet and a cooling liquid outlet, wherein the cooling liquid plate is internally provided with a circulation channel for cooling liquid to circulate, the surface of the second cooling liquid plate is provided with a plurality of cooling liquid inlets and cooling liquid outlets which are communicated with the internal circulation channel, the second cooling liquid pump, the third cooling liquid pump and the second control valve component are connected in the circulation channel in the second cooling liquid plate, and the second expansion tank is communicated with the circulation channel in the second cooling liquid plate.

Further, a second coolant temperature sensor for detecting a coolant temperature is provided in the second coolant side module, and the second coolant temperature sensor is provided on the second coolant plate.

Further, the electric heating module comprises a mounting seat and the electric heater arranged in the mounting seat, wherein a cooling liquid heating channel is arranged in the electric heater, and a cooling liquid inlet and a cooling liquid outlet which are communicated with the cooling liquid heating channel are arranged on the surface of the mounting seat.

Further, the refrigerant in the refrigerant side module is R134a, R1234yf, R152a, a mixture of synthetic refrigerants, hydrocarbon refrigerants or a mixture containing hydrocarbon refrigerants.

Further, the hydrocarbon refrigerant is R290, and the mixture containing hydrocarbon refrigerant is a mixture containing R290.

Compared with the prior art, the utility model has the following advantages:

according to the free combination type thermal management unit, the thermal management modules which can be disassembled and assembled are arranged, different modules can be freely combined to form the thermal management unit which is suitable for different vehicle arrangement spaces, the modularization management of the thermal management unit can be realized, and the adaptability of the thermal management unit is improved, so that the modularization and integration of components of a vehicle thermal management system can be realized, the universality of the components can be improved, and the development and manufacturing cost of a whole vehicle can be reduced.

In addition, the free combination type thermal management unit can realize modularization and integration through combination of different modules, can realize higher integration level, is beneficial to miniaturization development of a vehicle while meeting the thermal management requirement of the whole vehicle, ensures high efficiency and flexible usability of the modules, can realize flexible combination according to the available space of the vehicle, and has low development and verification cost and good universality.

In addition, the free combination type thermal management unit of the embodiment can also have the effect of reducing development cost and manufacturing cost through the use of hydrocarbon refrigerant.

The utility model also proposes a vehicle in which a freely combined thermal management unit as described above is provided.

The vehicle of the utility model has the same beneficial effects as the free combination type thermal management unit compared with the prior art, and is not repeated here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of a first refrigerant side module according to an embodiment of the present utility model;

fig. 2 is a schematic view of a first refrigerant side module according to an embodiment of the present utility model from another perspective;

FIG. 3 is a schematic view of the internal flow channels of a first valve plate according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a second refrigerant side module according to an embodiment of the present utility model;

fig. 5 is a schematic view of a second refrigerant side module according to an embodiment of the present utility model from another perspective;

FIG. 6 is a schematic illustration of the internal flow passages of a second valve plate according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a first coolant side module according to an embodiment of the utility model;

FIG. 8 is a schematic view of a first liquid side module according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a second coolant side module according to an embodiment of the utility model;

FIG. 10 is a schematic view of a second coolant side module according to an embodiment of the present utility model from another perspective;

FIG. 11 is a schematic view of an electrical heating module according to an embodiment of the present utility model;

FIG. 12 is a schematic view of the structure of a cooling fluid flow path inside an electric heating module according to an embodiment of the present utility model;

FIG. 13 is an exemplary schematic diagram of a free-wheeling thermal management unit in accordance with one embodiment of the present utility model;

FIG. 14 is a schematic view of the structure of FIG. 13 from another perspective;

FIG. 15 is a schematic view of a connecting pipe according to an embodiment of the present utility model;

FIG. 16 is a schematic diagram of a combination of a fully integrated mode, a split compressor mode, a refrigerant split mode, and a fully split mode according to the present utility model;

FIG. 17 is a schematic diagram showing a combination of three modes of the first high/low pressure side split mode according to the present utility model;

FIG. 18 is a schematic diagram showing a combination of three modes of the second high/low pressure side split mode according to the present utility model;

reference numerals illustrate:

1. a first refrigerant side module; 2. a second refrigerant side module; 3. a first coolant side module; 4. a second coolant side module; 5. an electric heating module; 6. a connecting pipe;

101. a first valve plate; 102. a water-cooled condenser; 103. a liquid storage tank; 104. a first intermediate heat exchanger; 105. a first electronic expansion valve; 106. a water-cooled condenser refrigerant inlet; 107. a first refrigerant inlet; 108. a first refrigerant outlet; 109. a first refrigerant side module connection port; 1010. a cooling liquid inlet and a cooling liquid outlet of the water-cooled condenser;

201. a second valve plate; 202. a two-fluid heat exchanger; 203. a second intermediate heat exchanger; 204. a second electronic expansion valve; 205. a first refrigerant temperature sensor; 206. a second refrigerant temperature sensor; 207. a refrigerant pressure sensor; 208. a second refrigerant outlet; 209. a second refrigerant inlet; 2010. a second refrigerant side module connection port; 2011 a third refrigerant outlet; 2012. a fourth refrigerant outlet; 2013. a dual fluid heat exchanger coolant inlet and outlet;

301. A first cooling liquid plate; 302. a first coolant pump; 303. a first control valve assembly; 304. a first expansion tank; 305. a first coolant temperature sensor; 306. a first coolant side module connection port; 307. a first electric heater connection port; 308. a first secondary circuit connection port; 309. a first coolant inlet and outlet;

401. a second cooling liquid plate; 402. a second coolant pump; 403. a third coolant pump; 404. a second control valve assembly; 405. a second expansion tank; 406. a second coolant temperature sensor; 407. a second coolant side module connection port; 408. a second secondary circuit connection port; 409. a second coolant inlet and outlet; 4010. a second electric heater connection port;

501. a mounting base; 502. an electric heater; 503. an electric heater cooling liquid inlet; 504. an electric heater cooling liquid outlet; 5a, a cooling liquid heating channel; 5b, a heating part;

1a-1e, a flow passage in the first valve plate; 2a-2f, a flow passage in the second valve plate.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the present utility model, unless otherwise specifically defined, the mating components may be connected using conventional connection structures in the art. Moreover, the terms "mounted," "connected," and "connected" are to be construed broadly. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The embodiment relates to a free combination type thermal management unit, which comprises a plurality of thermal management modules capable of being assembled, disassembled and assembled.

In addition, the heat management module includes a refrigerant side module for performing heat management of the refrigerant and a coolant side module for performing heat management of the coolant.

Wherein, a plurality of refrigerant side modules can be combined into a refrigerant side thermal management unit, a plurality of coolant side modules can be combined into a coolant side thermal management unit, and a plurality of refrigerant side modules and a plurality of coolant side modules can be combined into an integrated thermal management unit.

The refrigerant side module includes at least a first refrigerant side module 1 provided with a water-cooled condenser 102, and a second refrigerant side module 2 provided with a two-fluid heat exchanger 202. The above-described coolant-side module includes at least the first coolant-side module 3 and the second coolant-side module 4, and the electric heating module 5 provided with the electric heater 502. The first coolant side module 3 and the second coolant side module 4 are each provided with at least one coolant pump and a control valve assembly for controlling the flow direction of the coolant.

In detail, based on the description of the refrigerant side module as above, as an exemplary embodiment, the structure of the first refrigerant side module 1 provided with the water-cooled condenser 102 may be as shown in fig. 1 and 2.

At this time, the first refrigerant side module 1 should include at least the first valve plate 101, and the water-cooled condenser 102, the high-pressure reservoir dryer 103, and the first electronic expansion valve 105 provided on the first valve plate 101.

The first valve plate 101 is provided with a flow passage therein for communicating the water-cooled condenser 102, the liquid storage tank 103, and the first electronic expansion valve 105. And, further, as a preferred embodiment, the first refrigerant side module 1 of the present embodiment further includes a first intermediate heat exchanger 104 integrated on the first valve plate 101. The first intermediate heat exchanger 104 is also in communication with the flow passage inside the first valve plate 101.

In this embodiment, the first valve plate 101 may be molded, for example, by casting, and the water-cooled condenser 102, the high-pressure reservoir dryer 103, the first intermediate heat exchanger 104 and the first electronic expansion valve 105 may be manufactured by conventional thermal management systems of vehicles.

And, the water-cooled condenser 102 is used to transfer heat of the high-temperature and high-pressure refrigerant discharged from the compressor to the cooling liquid, and the high-pressure reservoir dryer 103 is used to dry and filter the refrigerant, and at the same time, is also used to store and supply the liquid refrigerant in the system, and the first intermediate heat exchanger 104 and the second intermediate heat exchanger 203, which will be described later, are used to perform secondary heat exchange on the high-temperature refrigerant side and the low-temperature refrigerant side, so as to improve the heat exchange efficiency of the system. The first electronic expansion valve 105 and a second electronic expansion valve 204 described below are used to throttle the high-temperature and high-pressure refrigerant to low-temperature and low-pressure refrigerant wet vapor.

Furthermore, as an exemplary structural form, a specific arrangement of the flow passage in the first valve plate 101 can be seen in fig. 3. The refrigerant outlet of the water-cooled condenser 102 is connected to the inlet of the high-pressure reservoir dryer 103 through the flow channel 1a, the outlet of the high-pressure reservoir dryer 103 is connected to the refrigerant inlet of one of the heat exchange sides in the first intermediate heat exchanger 104 through the flow channel 1b, and the refrigerant outlet of the heat exchange side is connected to the flow channel 1e and can be connected to the inlet of the compressor through the first refrigerant outlet 108.

The first electronic expansion valve 105 is disposed at the flow passage 1d, and one end of the flow passage 1d is connected to the first refrigerant inlet 107, and the first refrigerant inlet 107 may be generally connected to a refrigerant outlet of an external water-cooled condenser. The other end of the flow passage 1d is connected to the refrigerant inlet on the other heat exchange side in the first intermediate heat exchanger 104, and the refrigerant outlet on the heat exchange side is connected to the flow passage 1c, and the flow passage 1c is connected to the first refrigerant side module connection port 109.

In addition, a water-cooled condenser refrigerant inlet 106 on the water-cooled condenser 102 is used for connecting with a compressor outlet, and a water-cooled condenser cooling liquid inlet 1010 on the other side of the water-cooled condenser 102 is used for cooling liquid to enter and exit the water-cooled condenser 102 so as to realize heat exchange between the cooling liquid and the refrigerant in the water-cooled condenser 102.

It should be noted that, the water-cooled condenser 102, the high-pressure storage dryer 103, and the first intermediate heat exchanger 104 may be generally fixed on the first valve plate 101 by bolts, and the first electronic expansion valve 105 may be mounted on the first valve plate 101 by a screw connection manner. Threaded connection holes may be provided at one side of each of the first refrigerant inlet 107 and the first refrigerant outlet 108 for connection of the nozzle of the external connection pipe to the first refrigerant inlet 107 or the first refrigerant outlet 108. Meanwhile, a screw connection hole or a connection via hole may be provided on one side of the first refrigerant side module connection port 109, which is used for connection between the first refrigerant side module connection port 109 and the second refrigerant side module connection port 2010 of the second refrigerant side module.

Also as an exemplary embodiment, the second refrigerant side module 2 of the present embodiment may be structured as shown in fig. 4 and 5, which should include at least a second valve plate 201, and a two-fluid heat exchanger 202 and a second electronic expansion valve 204 provided on the second valve plate 201.

Wherein, the second valve plate 201 is also provided with a flow passage for communicating the two-fluid heat exchanger 202 and the second electronic expansion valve 204. Furthermore, further, as a preferred embodiment, the second refrigerant side module 2 of the present embodiment further includes a second intermediate heat exchanger 203 integrated on the second valve plate 201.

The second intermediate heat exchanger 203 is also in communication with the flow channel inside the second valve plate 201, and the second intermediate heat exchanger 203 may specifically be located upstream of the high pressure side of the second electronic expansion valve 204 and downstream of the two-fluid heat exchanger 202.

More specifically, the second valve plate 201 may also be molded by casting, and the two-fluid heat exchanger 202, the second intermediate heat exchanger 203 and the second electronic expansion valve 204 may be manufactured by conventional methods in the vehicle thermal management system. The two-fluid heat exchanger 202 is configured to absorb heat of the coolant by low-temperature low-pressure refrigerant wet steam, and simultaneously cool the power battery pack in the vehicle, and the two-fluid heat exchanger 202 and the second intermediate heat exchanger 203 may be fixed to the second valve plate 201 by bolts, and the second electronic expansion valve 204 may be mounted to the second valve plate 201 in a screwed manner.

In addition, in the present embodiment, a refrigerant temperature detecting unit and a refrigerant pressure detecting unit are also provided in the second refrigerant side module 2. The refrigerant temperature detection means also specifically includes a first refrigerant temperature sensor 205 for detecting the refrigerant outlet temperature of the two-fluid heat exchanger 202, and a second refrigerant temperature sensor 206 for detecting the refrigerant outlet temperature of the second intermediate heat exchanger 203. The refrigerant pressure detecting unit includes a refrigerant pressure sensor 207 for detecting the refrigerant outlet pressure of the second intermediate heat exchanger 203.

In particular, the first refrigerant temperature sensor 205, the second refrigerant temperature sensor 206 and the refrigerant pressure sensor 207 are all commonly used refrigerant temperature and pressure sensing elements, and are also disposed on the second valve plate 201 by screwing or other mounting methods.

Further, with continued reference to fig. 6, as an exemplary configuration of the flow passage in the second valve plate 201, the second refrigerant side module connection port 2010 is connected to one of the refrigerant inlets on the heat exchange side in the second intermediate heat exchanger 203 through the flow passage 2a, and the refrigerant outlet on the heat exchange side is connected to the flow passage 2 b. Meanwhile, a fourth refrigerant outlet 2012 is further provided on the second valve plate 201, the fourth refrigerant outlet 2012 is connected to the flow channel 2a in parallel with the second refrigerant side module connection port 2010, and the second refrigerant side module connection port 2010 is connected to the first refrigerant side module connection port 109 in the second refrigerant side module 1 as described above, and the fourth refrigerant outlet 2012 is connected to the refrigerant inlet of the external water-cooled condenser.

A portion of the refrigerant entering the flow passage 2b may enter the external evaporator through the second refrigerant outlet 208, and the refrigerant flowing out of the evaporator may return to the second valve plate 201 through the second refrigerant inlet 209 and enter the flow passage 2e. Another part of the refrigerant that has entered the flow channel 2b passes through the second electronic expansion valve 204 at the flow channel 2c and then enters the refrigerant inlet of the two-fluid heat exchanger 202, and the refrigerant outlet of the two-fluid heat exchanger 202 communicates with the flow channel 2 d. The flow channel 2d and the flow channel 2e are connected in parallel to the refrigerant inlet on the other heat exchange side of the second intermediate heat exchanger 203, and the refrigerant outlet on the heat exchange side is connected to the third refrigerant outlet 2011 via the flow channel 2f, and the third refrigerant outlet 2011 is connected to the compressor inlet.

It should be noted that, based on the arrangement of the flow channels in the second valve plate 201, the first refrigerant temperature sensor 205 is located at the flow channel 2d, so as to detect the refrigerant outlet temperature of the dual-fluid heat exchanger 202. The second refrigerant temperature sensor 206 and the refrigerant pressure sensor 207 are located at the flow channel 2f to detect the temperature and pressure of the refrigerant at the outlet of the second intermediate heat exchanger 203, and the detected refrigerant is the refrigerant after the second intermediate heat exchanger 203 exchanges heat for the second time.

As also shown in fig. 5, in the present embodiment, a two-fluid heat exchanger coolant inlet/outlet 2013 on the two-fluid heat exchanger 202 is used for cooling fluid to enter and exit the two-fluid heat exchanger 202 to achieve heat exchange between the cooling fluid and the refrigerant inside the two-fluid heat exchanger 202. In addition to the connection between the two refrigerant side modules, when the first refrigerant side module 1 or the second refrigerant side module 2 is provided separately, the first refrigerant side module connection port 109 or the second refrigerant side module connection port 2010 described above may be used to connect other vehicle thermal management modules.

In the present embodiment, based on the description of the coolant side module as above, as an exemplary implementation, as shown in fig. 7 and 8, the above-described first coolant side module 3 should include at least a first coolant plate 301, and a first coolant pump 302 and a first control valve assembly 303 provided on the first coolant plate 301.

Wherein, the first cooling liquid plate 301 is provided with a circulation channel for cooling liquid to circulate inside, the surface of the first cooling liquid plate 301 is provided with a plurality of cooling liquid inlets and cooling liquid outlets which are communicated with the internal circulation channel, and the first cooling liquid pump 302 and the first control valve assembly 303 are connected in the circulation channel inside the first cooling liquid plate 301. Further, as a preferred embodiment, the first coolant side module 3 of the present embodiment further includes a first expansion tank 304, and the first expansion tank 304 is also in communication with the flow passage inside the first coolant plate 301.

More specifically, similar to the first valve plate 101 and the second valve plate 201 described above, the first cooling liquid plate 301 may also be manufactured by casting, and of course, the first cooling liquid plate 301 may also be manufactured by machining in combination with welding, in addition to casting. Moreover, the first coolant pump 302 can be an existing electronic pump, so as to have the advantages of simple control, easy adjustment of water quantity, and the like. The first control valve assembly 303 can be used to control the on/off of the coolant circuit or to switch between different coolant circuits by using an electrically controlled valve commonly used in existing vehicle thermal management systems. The first expansion tank 304 may be an existing expansion tank (i.e., a water overflow tank) product with proper specifications.

In the present embodiment, based on the above configuration, as a preferred embodiment, a first coolant temperature sensor 305 for detecting the coolant temperature may be provided in the first coolant side module 3, and the first coolant temperature sensor 305 may be provided on the first coolant plate 301 by using an existing coolant temperature sensor element, and may be provided on the first coolant plate 301 by a conventional manner such as screwing.

In addition, as for the plurality of coolant inlets and outlets on the surface of the first coolant plate 301 as described above, it mainly includes a first coolant side module connection port 306, a first electric heater connection port 307, a plurality of pairs of first secondary circuit connection ports 308, and a pair of first coolant inlets and outlets 309 provided on the first coolant plate 301. At this time, the first coolant side module connection port 306 may be used to connect the second coolant side module 4, and when the first coolant side module 3 is provided alone, the first coolant side module connection port 306 may be used to connect other vehicle thermal management modules, of course. The second coolant side module connection port 407 described below is also provided in a specific connection, in the same manner as the first coolant side module connection port 306.

The above-described first electric heater connection port 307 may be used to connect the electric heating module 5, and similarly, when the electric heating module 5 is not provided, the first electric heater connection port 307, and a second electric heater connection port 4010 in the below-described second coolant side module 4 may also be used to connect other vehicle thermal management modules. The pairs of first secondary circuit connection ports 308 are used to connect other secondary circuits in the vehicle thermal management system such that coolant circulates in the secondary circuit for heat exchange with vehicle components on the secondary circuit. The first coolant inlet/outlet 309 is used to connect with a water-cooled condenser coolant inlet/outlet 1010 of the water-cooled condenser 102, and the first coolant inlet/outlet 309 may be connected with other corresponding thermal management modules when the first refrigerant side module 1 is not provided.

Based on the above description, it should be noted that the flow channels in the first coolant plate 301 are configured according to the specific design requirements of the vehicle thermal management system, and for example, the inlet and outlet of each pair of the first secondary circuit connection ports 308 are correspondingly connected with the inlet and outlet of the first coolant inlet and outlet 309, and the first coolant side module connection ports 306 and the first electric heater connection ports 307 may be connected in parallel with the inlet or outlet of the first coolant inlet and outlet 309 as required.

The first coolant pump 302 may be connected in series, for example, at an inlet or outlet of the first coolant inlet/outlet 309 to drive the coolant to circulate, and the first control valve assembly 303 may employ a multi-way reversing valve (e.g., a four-way reversing valve, etc.) to control the communication between the different connection ports on the first coolant plate 301. The first expansion tank 304 may be connected to an inlet or outlet location in the first coolant inlet/outlet 309, or other channel location. The first coolant temperature sensor 305 may be used to detect the temperature at the inlet or outlet of one of the pair of first secondary circuit connection ports 308, or may be used to detect the coolant temperature at the other connection ports by adjusting its position.

As an exemplary implementation, the second coolant side module 4 of the present embodiment may be configured as shown in fig. 9 and 10, which should include at least a second coolant plate 401, and a second coolant pump 402, a third coolant pump 403, a second control valve assembly 404, and a second expansion tank 405 provided on the second coolant plate 401.

Wherein, the second cooling liquid plate 401 is provided with a circulation channel for cooling liquid to circulate inside, the surface of the second cooling liquid plate 401 is provided with a plurality of cooling liquid inlets and cooling liquid outlets which are communicated with the internal circulation channel, and the second cooling liquid pump 402, the third cooling liquid pump 403 and the second control valve assembly 404 are connected in the circulation channel inside the second cooling liquid plate 401, and the second expansion tank 405 is communicated with the circulation channel inside the second cooling liquid plate 401.

More specifically, as with the first cooling fluid plate 301 described above, the second cooling fluid plate 401 may also be cast or machined in combination with welding. The second coolant pump 402 and the third coolant pump 403 may be conventional electronic pumps. The second control valve assembly 404 is also implemented using conventional electrically controlled valve products commonly used in conventional vehicle thermal management systems, and the second expansion tank 405 is implemented using conventional expansion tank products of appropriate specifications.

In addition, in the present embodiment, as a preferred embodiment, a second coolant temperature sensor 406 for detecting the coolant temperature is also provided in the second coolant side module 4, and the second coolant temperature sensor 406 may be provided on the second coolant plate 401 by using an existing coolant temperature sensor element, and also by a conventional manner such as screwing.

In addition, as described above, the plurality of coolant inlets and outlets located on the surface of the second coolant plate 401 mainly include the second coolant side module connection port 407, the plurality of pairs of second secondary circuit connection ports 408, the pair of second coolant inlets and outlets 409, and the second electric heater connection port 4010 provided on the second coolant plate 401.

Wherein the second coolant side module connection port 407 may be used to connect the first coolant side module 3, and as previously described, when the second coolant side module 4 is provided alone, the second coolant side module connection port 407 may be used to connect other vehicle thermal management modules. The above-described second electric heater connection port 4010 may be used to connect the electric heating module 5, and similarly, when the electric heating module 5 is not provided, the second electric heater connection port 4010 may also be used to connect other vehicle thermal management modules.

The second secondary circuit connection ports 408 of each pair are used to connect other secondary circuits in the vehicle thermal management system so that coolant circulates in the secondary circuit for heat exchange with vehicle components on the secondary circuit. The second coolant inlet/outlet 409 is configured to be connected to the two-fluid heat exchanger coolant inlet/outlet 2013 of the two-fluid heat exchanger 202, and the second coolant inlet/outlet 409 may be connected to another corresponding thermal management module when the second refrigerant side module 2 is not provided.

In addition, the flow channels in the second cooling fluid plate 401 may also be provided according to the specific design requirements of the vehicle thermal management system. And, for example, the inlet and outlet of each pair of second secondary circuit connection ports 408 are correspondingly connected with the inlet and outlet in the second cooling liquid inlet and outlet 409, and the second cooling liquid side module connection port 407 and the second electric heater connection port 4010 may be connected in parallel with the inlet or outlet in the second cooling liquid inlet and outlet 409 as required.

The second coolant pump 402 and the third coolant pump 403 may be connected in parallel, for example, at an inlet or outlet in the second coolant inlet/outlet 409 to drive the circulation of coolant in the different coolant circuits, respectively. The second control valve assembly 404 may employ a multi-way reversing valve (e.g., a six-way reversing valve or an eight-way reversing valve, etc.) to control communication between different ports on the second cooling fluid plate 401. The second coolant temperature sensor 406 may be used to detect the temperature at the inlet or outlet of one of the pair of second secondary loop connection ports 408, or may be used to detect the coolant temperature at the other connection port by adjusting its position. The second expansion tank 405 may be connected to an inlet or outlet location in the second coolant inlet/outlet 409, or other channel location.

In this embodiment, as an exemplary implementation form, as shown in fig. 11, the above-mentioned electric heating module 5 specifically includes a mount 501, and an electric heater 502 provided in the mount 501, a coolant heating channel 5a is provided in the electric heater 502, and a coolant inlet and outlet communicating with the coolant heating channel 5a is also provided on the surface of the mount 5 for connection between the electric heating module 5 and, for example, the first coolant side module 3 and the second coolant side module 4.

Specifically, the cooling liquid inlet and outlet on the surface of the mounting seat 5 includes an electric heater cooling liquid inlet 503 and an electric heater cooling liquid outlet 504. In addition, the electric heater 502 may be made of an electric heating product that can be disposed in the mounting seat 5, and in combination with the embodiment shown in fig. 12, in order to improve the heating efficiency of the electric heating module 5, it is preferable in this embodiment to have a plurality of heating portions 5b disposed side by side in the electric heater 502, and based thereon, make the cooling liquid heating channel 5a flow in a serpentine shape, so that the cooling liquid heating channel can be more and better contacted with the electric heater 502, so as to achieve the effect of improving the heating efficiency.

In this embodiment, in addition to the above-described refrigerant side module for performing refrigerant thermal management and the coolant side module for performing coolant thermal management, the thermal management module of this embodiment may further include a compressor. The compressor is used for compressing the refrigerant to realize the circulation of the refrigerant, and in the combined heat management unit of the present embodiment, the compressor can be combined with at least the above-described refrigerant side module.

In addition, in the thermal management unit of the present embodiment, the refrigerant used in the refrigerant side module, including the compressor, may be a refrigerant product commonly used in existing vehicles. In addition, it should be noted that, in the embodiment, for example, the refrigerant in the refrigerant side module and the compressor of the present embodiment may be R134a, R1234yf, R152a, a mixture of synthetic refrigerants, hydrocarbon refrigerant or a mixture containing hydrocarbon refrigerant. The hydrocarbon refrigerant may be R290, for example, and the mixture containing hydrocarbon refrigerant may be a mixture containing R290, for example.

In the present embodiment, based on the above description of each refrigerant side module, each coolant side module, and the electric heating module 5 and the compressor, when applied specifically, the thermal management unit of the present embodiment may be specifically one of the following a full integration mode, b split compressor mode, c refrigerant split mode, d full split mode, and first high/low pressure side split mode, second high/low pressure side split mode, in conjunction with fig. 13, 14, and as shown in fig. 16 to 18.

In fig. 16 to 18, it should be noted that the symbol "Refri1" represents the first refrigerant side module 1, the symbol "Refri2" represents the second refrigerant side module 2, the symbol "Coolant1" represents the first Coolant side module 3, the symbol "Coolant2" represents the second Coolant side module 4, the symbol "Compressor" represents the Compressor, the symbol "HVCH" represents the electric heating module 5, and the "HVCH", that is, high Voltage Coolant Heater, the high-pressure liquid heater, can be obtained by using the existing products.

Furthermore, it should be noted that when the thermal management unit of the present embodiment is installed in a vehicle, the thermal management unit may be generally disposed in a cabin, and the pipes of the coolant circulation loop may be respectively connected to a front end module, a power battery module, a motor, and an air conditioning module (HVAC), so that the thermal management of the motor, the power battery, and the passenger cabin can be controlled to meet the vehicle usage requirements by adjusting the thermal management module in the thermal management unit, and the medium flow direction in the front end module, the power battery, the motor, and the air conditioning module (HVAC).

In addition, specifically, for the above-described a.full integration mode, still referring to fig. 16, the full integration mode specifically includes the first refrigerant side module 1, the second refrigerant side module 2, the first coolant side module 3, the second coolant side module 4, and the electric heating module 5 and the compressor combined together.

For the above b. split compressor mode, see also fig. 16, and can be combined with fig. 13, 14, the split compressor mode specifically includes the first refrigerant side module 1, the second refrigerant side module 2, the first coolant side module 3, the second coolant side module 4, and the electric heating module 5 combined together. Meanwhile, in the separated compressor mode, the combined thermal management unit and the compressor can be connected through a pipeline.

For the above-described c. refrigerant separation mode, still referring to fig. 16, the refrigerant separation mode specifically includes the first coolant-side module 3, the second coolant-side module 4, and the electric heating module 5 combined together, and the first refrigerant-side module 1, the second refrigerant-side module 2, and the compressor combined together. The two combined integrated modules can be connected through a pipeline.

For the above d. full separation mode, still referring to fig. 16, the full separation mode includes the first refrigerant side module 1, the second refrigerant side module 2, the first coolant side module 3, the second coolant side module 4, and the electric heating module 5 and the compressor, which are provided independently of each other. In the full separation mode, the modules which are independently arranged can be connected through pipelines.

As for the above-described first high/low pressure side split mode, still referring to fig. 17, the first high/low pressure side split mode is specifically one of the following:

e1. the high/low pressure side separation mode includes the first refrigerant side module 1, the first coolant side module 3, and the compressor combined together, and the second refrigerant side module 2, the second coolant side module 4, and the electric heating module 5 combined together. And, two integrated modules after the combination can be through the pipeline connection.

e2. The high/low pressure side separation mode includes the first refrigerant side module 1 and the first coolant side module 3 combined together, and the second refrigerant side module 2, the second coolant side module 4, and the electric heating module 5 and the compressor combined together. Likewise, the two integrated modules after combination can be connected by a pipeline.

e3. The high/low pressure side separation mode includes the first refrigerant side module 1 and the first coolant side module 3 combined together, and the second refrigerant side module 2, the second coolant side module 4, and the electric heating module 5 combined together. Likewise, the two integrated modules after combination can be connected by a pipeline.

For the second high/low pressure side separation mode described above, the second high/low pressure side separation mode is also specifically one of the following:

f1. The high/low pressure side separation mode includes the first refrigerant side module 1, the first coolant side module 3, the electric heating module 5, and the compressor combined together, and the second refrigerant side module 2 and the second coolant side module 4 combined together. Likewise, the two integrated modules after combination can be connected by a pipeline.

f2. The high/low pressure side separation mode includes the first refrigerant side module 1, the first coolant side module 3, and the electric heating module 5 combined together, and the second refrigerant side module 2, the second coolant side module 4, and the compressor combined together. Likewise, the two integrated modules after combination can be connected by a pipeline.

f3. The high/low pressure side separation mode includes the first refrigerant side module 1, the first coolant side module 3, and the electric heating module 5 combined together, and the second refrigerant side module 2 and the second coolant side module 4 combined together. Likewise, the two integrated modules after combination can be connected by a pipeline.

In the assembly, for example, the valve plate and the coolant plate may be used between different modules, and the assembly may be removably performed by a screw structure, for example.

In addition, when the first refrigerant side module 1 and the second refrigerant side module 2 are connected, for example, they may be connected to the second refrigerant side module connection port 2010 through the first refrigerant side module connection port 109, and each of the other connection ports on the first valve plate 101 and the second valve plate 201 may be connected to an external water-cooled condenser, an evaporator, or may be connected to another vehicle thermal management module as described above.

In the case where the first coolant side module 3 and the second coolant side module 4 are connected, for example, the first coolant side module connection port 306 and the second coolant side module connection port 407 on both sides may be connected by the connection pipe 6, and as shown in fig. 13, the connection pipe 6 may be connected to the first coolant side module connection port 306 and the second coolant side module connection port 407 by a quick-insertion manner, so that connection operation is facilitated. In addition, the first coolant side module 3 and the second coolant side module 4, such as coolant inlets and outlets, secondary circuit connection ports, electric heating module connection ports, and the like, may be connected with corresponding vehicle thermal management modules, respectively, according to specific design and arrangement requirements.

When the first coolant side module 3, the electric heating module 5, and the second coolant side module 4 are connected, as an exemplary connection form, the first coolant side module 3 and the second coolant side module 4 are connected not only by the connection pipe 6, but also by the first electric heater connection port 307 and the second electric heater connection port 4010 with the electric heating module 5 connected therebetween. In addition, similarly, the first coolant side module 3 and the second coolant side module 4, such as coolant inlets and outlets, secondary circuit connection ports, and the like, may be connected to the corresponding vehicle thermal management modules, respectively, also based on design and arrangement requirements.

When the first refrigerant side module 1 and the first coolant side module 3 are connected, for example, the water-cooled condenser coolant inlet/outlet 1010 on both may be connected to the first coolant inlet/outlet 309 on the first coolant plate 301. Other connection ports on the first refrigerant side module 1 and the first coolant side module 3 are connected with corresponding thermal management modules in the vehicle thermal management system based on design and arrangement requirements.

When the second refrigerant side module 2 and the second coolant side module 4 are connected, for example, the two-fluid heat exchanger coolant inlet/outlet 2013 may be connected to the second coolant inlet/outlet 409 of the second coolant plate 401. Other connection ports on the second refrigerant side module 2 and the second coolant side module 4, which are also based on design and layout requirements, are available for connection with corresponding thermal management modules in the vehicle thermal management system.

When the first refrigerant side module 1, the second refrigerant side module 2, and the first coolant side module 3, the electric heating module 5, and the second coolant side module 4 are connected and combined, as shown in fig. 13 and 14, for example, the first refrigerant side module connection port 109 is connected to the second refrigerant side module connection port 2010, the first coolant side module connection port 306 is connected to the second coolant side module connection port 407 through the connection pipe 6, the electric heating module 5 is connected between the first coolant side module 3 and the second coolant side module 4, the water-cooled condenser coolant inlet/outlet 109 is connected to the first coolant inlet 309, and the two-fluid heat exchanger coolant inlet/outlet 2013 is connected to the second coolant inlet/outlet 409.

At the same time, the first refrigerant side module 1, the second refrigerant side module 2, and other connection ports on the first coolant side module 3 and the second coolant side module 4 are still connected with other corresponding thermal management modules in the vehicle thermal management system based on design and arrangement requirements.

According to the free combination type thermal management unit, the thermal management modules which can be disassembled and assembled are arranged, different modules can be freely combined to form the thermal management unit which is suitable for different vehicle arrangement spaces, the modularization management of the thermal management unit can be realized, the adaptability of the thermal management unit is improved, the modularization and integration of components of the vehicle thermal management system can be realized, the universality of the components can be improved, the development and manufacturing cost of the whole vehicle can be reduced, and the practicality is good.

Example two

The present embodiment relates to a vehicle in which the free combination thermal management unit of the first embodiment is provided. The vehicle of the present embodiment is provided with the freely combined type thermal management unit of the first embodiment, which can realize modularization and integration of components of the thermal management system of the vehicle, can improve the universality of the components, and is beneficial to reducing the development and manufacturing cost of the whole vehicle.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A free combination type thermal management unit is characterized in that,

the system comprises a plurality of thermal management modules which can be disassembled and assembled;

wherein the refrigerant side modules comprise at least a first refrigerant side module (1) provided with a water-cooled condenser (102) and a second refrigerant side module (2) provided with a two-fluid heat exchanger (202);

the cooling liquid side module at least comprises a first cooling liquid side module (3) and a second cooling liquid side module (4), and an electric heating module (5) provided with an electric heater (502), wherein the first cooling liquid side module (3) and the second cooling liquid side module (4) are both provided with at least one cooling liquid pump and a control valve assembly for controlling the flow direction of cooling liquid.

2. The free-wheeling thermal management unit of claim 1 wherein the free-wheeling thermal management unit,

the thermal management module includes a compressor that is at least combinable with the refrigerant side module.

3. The free-wheeling thermal management unit of claim 2 wherein,

the combined mode of the thermal management unit is one of the following modes:

a. a full-integration mode including the first refrigerant side module (1), the second refrigerant side module (2), the first coolant side module (3), the second coolant side module (4), and the electric heating module (5) and the compressor combined together;

b. -a split compressor mode comprising the first refrigerant side module (1), the second refrigerant side module (2), the first coolant side module (3), the second coolant side module (4), and the electrical heating module (5) combined together;

c. a refrigerant separation mode including the first cooling liquid side module (3), the second cooling liquid side module (4), and the electric heating module (5) combined together, and the first refrigerant side module (1), the second refrigerant side module (2), and the compressor combined together;

d. -a full separation mode comprising the first refrigerant side module (1), the second refrigerant side module (2), the first coolant side module (3), the second coolant side module (4), and the electric heating module (5) and the compressor, all arranged independently of each other.

4. The free-wheeling thermal management unit of claim 2 wherein,

the combined mode of the thermal management unit is a first high/low pressure side separation mode, and the first high/low pressure side separation mode is one of the following:

e1. the high/low pressure side separation mode includes the first refrigerant side module (1), the first coolant side module (3), and the compressor combined together, and the second refrigerant side module (2), the second coolant side module (4), and the electric heating module (5) combined together;

e2. the high/low pressure side separation mode includes the first refrigerant side module (1) and the first coolant side module (3) combined together, and the second refrigerant side module (2), the second coolant side module (4), and the electric heating module (5) and the compressor combined together;

e3. The high/low pressure side separation mode includes the first refrigerant side module (1) and the first coolant side module (3) combined together, and the second refrigerant side module (2), the second coolant side module (4), and the electric heating module (5) combined together.

5. The free-wheeling thermal management unit of claim 2 wherein,

the combined mode of the thermal management unit is a second high/low pressure side separation mode, and the second high/low pressure side separation mode is one of the following:

f1. the high/low pressure side separation mode includes the first refrigerant side module (1), the first coolant side module (3), the electric heating module (5), and the compressor combined together, and the second refrigerant side module (2) and the second coolant side module (4) combined together;

f2. the high/low pressure side separation mode includes the first refrigerant side module (1), the first coolant side module (3), and the electric heating module (5) combined together, and the second refrigerant side module (2), the second coolant side module (4), and the compressor combined together;

f3. the high/low pressure side separation mode includes the first refrigerant side module (1), the first coolant side module (3), and the electric heating module (5) combined together, and the second refrigerant side module (2) and the second coolant side module (4) combined together.

6. The free-wheeling thermal management unit of any one of claims 1 to 5 wherein,

the first refrigerant side module (1) at least comprises a first valve plate (101), and the water-cooled condenser (102), the high-pressure storage dryer (103) and the first electronic expansion valve (105) which are arranged on the first valve plate (101);

the first valve plate (101) is internally provided with a circulation channel for communicating the water-cooled condenser (102), the high-pressure liquid storage dryer (103) and the first electronic expansion valve (105).

7. The free-wheeling thermal management unit of claim 6 wherein the free-wheeling thermal management unit,

the first refrigerant side module (1) further comprises a first intermediate heat exchanger (104) integrated on the first valve plate (101);

the first intermediate heat exchanger (104) is in communication with a flow passage inside the first valve plate (101).

8. The free-wheeling thermal management unit of any one of claims 1 to 5 wherein,

the second refrigerant side module (2) includes at least a second valve plate (201), and the two-fluid heat exchanger (202) and a second electronic expansion valve (204) provided on the second valve plate (201);

and a circulation channel for communicating the two-fluid heat exchanger (202) with the second electronic expansion valve (204) is arranged in the second valve plate (201).

9. The free-wheeling thermal management unit of claim 8 wherein the free-wheeling thermal management unit,

the second refrigerant side module (2) further comprises a second intermediate heat exchanger (203) integrated on the second valve plate (201);

the second intermediate heat exchanger (203) is communicated with a circulation channel inside the second valve plate (201), and the second intermediate heat exchanger (203) is positioned at the upstream of the high-pressure side of the second electronic expansion valve (204) and at the downstream of the double-fluid heat exchanger (202).

10. The free-wheeling thermal management unit of claim 9 wherein the free-wheeling thermal management unit,

a refrigerant temperature detection unit and a refrigerant pressure detection unit are arranged in the second refrigerant side module (2);

the refrigerant temperature detection unit includes a first refrigerant temperature sensor (205) for detecting a refrigerant outlet temperature of the two-fluid heat exchanger (202), and a second refrigerant temperature sensor (206) for detecting a refrigerant outlet temperature of the second intermediate heat exchanger (203), the refrigerant pressure detection unit includes a refrigerant pressure sensor (207) for detecting a refrigerant outlet pressure of the second intermediate heat exchanger (203);

the first refrigerant temperature sensor (205), the second refrigerant temperature sensor (206) and the refrigerant pressure sensor (207) are all disposed on the second valve plate (201).

11. The free-wheeling thermal management unit of any one of claims 1 to 5 wherein,

the first coolant side module (3) includes at least a first coolant plate (301), and a first coolant pump (302) and a first control valve assembly (303) provided on the first coolant plate (301);

the cooling device is characterized in that a circulation channel for cooling liquid circulation is formed in the first cooling liquid plate (301), a plurality of cooling liquid inlets and cooling liquid outlets which are communicated with the internal circulation channel are formed in the surface of the first cooling liquid plate (301), and the first cooling liquid pump (302) and the first control valve assembly (303) are connected in the circulation channel in the first cooling liquid plate (301).

12. The free-wheeling thermal management unit of claim 11 wherein the free-wheeling thermal management unit,

the first coolant side module (3) further includes a first expansion tank (304), the first expansion tank (304) being in communication with a flow passage inside the first coolant plate (301).

13. The free-wheeling thermal management unit of claim 11 wherein the free-wheeling thermal management unit,

a first coolant temperature sensor (305) for detecting the coolant temperature is provided in the first coolant side module (3), and the first coolant temperature sensor (305) is provided on the first coolant plate (301).

14. The free-wheeling thermal management unit of any one of claims 1 to 5 wherein,

the second coolant side module (4) comprises at least a second coolant plate (401), and a second coolant pump (402), a third coolant pump (403), a second control valve assembly (404) and a second expansion tank (405) arranged on the second coolant plate (401);

the cooling device comprises a second cooling liquid plate (401), wherein a circulation channel for cooling liquid circulation is formed in the second cooling liquid plate (401), a plurality of cooling liquid inlets and cooling liquid outlets which are communicated with the internal circulation channel are formed in the surface of the second cooling liquid plate (401), a second cooling liquid pump (402), a third cooling liquid pump (403) and a second control valve assembly (404) are connected in the circulation channel in the second cooling liquid plate (401), and a second expansion tank (405) is communicated with the circulation channel in the second cooling liquid plate (401).

15. The free-wheeling thermal management unit of claim 14 wherein the free-wheeling thermal management unit,

a second coolant temperature sensor (406) for detecting a coolant temperature is provided in the second coolant side module (4), and the second coolant temperature sensor (406) is provided on the second coolant plate (401).

16. The free-wheeling thermal management unit of any one of claims 1 to 5 wherein,

the electric heating module (5) comprises a mounting seat (501) and an electric heater (502) arranged in the mounting seat (501), a cooling liquid heating channel (5 a) is arranged in the electric heater (502), and a cooling liquid inlet and outlet communicated with the cooling liquid heating channel (5 a) are arranged on the surface of the mounting seat (501).

17. A vehicle is characterized in that,

the vehicle having disposed therein the free-wheeling thermal management unit of any one of claims 1 to 16.