Vehicle heating power regulation and control system

Abstract

The utility model provides a vehicle thermodynamic regulation and control system, including: fuel cell device, power cell device and drive device, wherein fuel cell device and power cell device are connected with drive device respectively to supply power to drive device, fuel cell device includes an electric pile, power cell device includes a battery pack; the thermal regulation and control system further comprises a fuel cell thermal regulation and control module and a power cell thermal regulation and control module, and the fuel cell thermal regulation and control module is used for regulating and controlling the temperature of the fuel cell device; the power battery thermal regulation and control module is used for regulating and controlling the temperature of the power battery device; wherein the pipeline of the fuel cell thermal regulation and control module is connected with the pipeline of the power cell thermal regulation and control module. According to the utility model, the system structure is simplified, parts are reduced, the energy consumption is reduced, and the energy utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to the fields of vehicles, unmanned vehicles and automatic driving, and in particular to a vehicle thermal control system. Background Art

[0002] To ensure overall vehicle performance, mining vehicles powered by hydrogen fuel cells typically utilize an energy architecture that combines multiple hydrogen fuel cell engines with multiple power batteries. When operating in freezing winter conditions, the fuel cells and power batteries require heating. When operating in hot summer conditions, the fuel cells and power batteries require cooling.

[0003] Currently, vehicles use separate components to heat fuel cells and power batteries, resulting in a complex vehicle with numerous components and high energy consumption. When the fuel cell is operating normally, the fuel cell's waste heat cannot be used to heat the power battery, resulting in low energy efficiency and significant waste. Furthermore, separate cooling units are used to cool the fuel cell and power battery, making the system complex, with numerous components and a high failure rate.

[0004] Therefore, how to reduce vehicle energy consumption and improve energy utilization is a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] The utility model provides a vehicle thermal control system, which integrates the heating and cooling pipelines of the vehicle's fuel cell and power battery, thereby streamlining the system structure, reducing parts, lowering energy consumption, and improving energy utilization.

[0006] In a first aspect, the present invention provides a vehicle thermal control system, comprising: a fuel cell device, a power battery device, and a drive device, wherein the fuel cell device and the power battery device are respectively connected to the drive device to power the drive device, the fuel cell device includes a fuel cell stack, and the power battery device includes a battery pack;

[0007] The thermal control system also includes a fuel cell thermal control module and a power battery thermal control module.

[0008] The fuel cell thermal control module is used to control the temperature of the fuel cell device;

[0009] The power battery thermal control module is used to control the temperature of the power battery device;

[0010] Wherein, the pipeline of the fuel cell thermal regulation module and the pipeline of the power battery thermal regulation module are connected to each other.

[0011] Furthermore, the fuel cell thermal control module includes a first water pump, a heater, a first heat exchanger, a first three-way valve, a high-temperature radiator, a first pipeline and a second pipeline;

[0012] The first water pump is used to make the first thermal medium liquid flow in the first pipeline and the second pipeline;

[0013] The outlet of the first water pump is connected to the inlet of the heater, the outlet of the heater is connected to the inlet of the fuel cell device, the outlet of the fuel cell device is connected to the first inlet of the first heat exchanger, the first outlet of the first heat exchanger is connected to the inlet of the first three-way valve, the first outlet of the first three-way valve is connected to the inlet of the first pipeline, the second outlet of the first three-way valve is connected to the inlet of the second pipeline, the high-temperature radiator is arranged in the second pipeline, and the outlet of the first pipeline and the outlet of the second pipeline are both connected to the inlet of the first water pump.

[0014] Furthermore, when the temperature of the fuel cell stack is lower than a preset temperature threshold, the first three-way valve opens the first pipeline, closes the second pipeline, and the heater starts to heat the first thermal medium liquid in the first pipeline; when the temperature of the fuel cell stack is higher than the preset temperature threshold, the first three-way valve opens the second pipeline, closes the first pipeline, and the high-temperature radiator starts to dissipate the heat of the first thermal medium liquid in the second pipeline.

[0015] Furthermore, the thermal control system further includes a cab thermal control module, the cab thermal control module including a third pipeline provided with a first heat exchanger, a second water pump, a second three-way valve and a heater core;

[0016] The second water pump is used to make the second thermal medium liquid flow in the third pipeline;

[0017] The second outlet of the first heat exchanger is connected to the inlet of the second three-way valve, the first outlet of the second three-way valve is connected to the inlet of the second water pump, the outlet of the second water pump is connected to the inlet of the heater core, and the outlet of the heater core is connected to the inlet of the first heat exchanger.

[0018] Furthermore, the cab thermal control module further includes a fourth pipeline provided with a first electronic expansion valve, an evaporator, a blower, an electric compressor and a condenser;

[0019] The outlet of the first electronic expansion valve is connected to the inlet of the evaporator, the outlet of the evaporator is connected to the inlet of the electric compressor, the outlet of the electric compressor is connected to the inlet of the condenser, the outlet of the condenser is connected to the inlet of the first electronic expansion valve, and the evaporator dissipates heat through the blower.

[0020] Furthermore, the power battery thermal control module includes a fifth pipeline provided with a third water pump and a second three-way valve.

[0021] The third water pump is used to make the third thermal medium liquid flow in the fifth pipeline;

[0022] The inlet of the third water pump is connected to the second outlet of the second three-way valve, the outlet of the third water pump is connected to the inlet of the power battery device, the outlet of the power battery device is connected to the second inlet of the first heat exchanger; the inlet of the second three-way valve is connected to the second outlet of the first heat exchanger.

[0023] Furthermore, the power battery thermal control module further includes a sixth pipeline provided with a second heat exchanger and a second electronic expansion valve, wherein the sixth pipeline forms a loop with the connected electric compressor and condenser;

[0024] The outlet of the second electronic expansion valve is connected to the first inlet of the second heat exchanger, the first outlet of the second heat exchanger is connected to the inlet of the electric compressor, the outlet of the electric compressor is connected to the inlet of the condenser, and the outlet of the condenser is connected to the inlet of the second electronic expansion valve.

[0025] Furthermore, the power battery thermal control module also includes an electronic one-way valve.

[0026] The outlet of the power battery device is connected to the second inlet of the second heat exchanger, the second outlet of the second heat exchanger is connected to the inlet of the electronic one-way valve, and the outlet of the electronic one-way valve is connected to the inlet of the third water pump.

[0027] Furthermore, the thermal control system further includes a driving thermal control module, which includes a fourth water pump, a driving motor, a motor controller, a stack boost DC-DC module, a low-temperature radiator and a seventh pipeline.

[0028] The fourth water pump is used to make the fourth thermal medium liquid flow in the seventh pipeline;

[0029] The outlet of the fourth water pump is connected to the inlet of the motor controller and the inlet of the battery stack boost DC-DC module, the outlet of the motor controller is connected to the inlet of the drive motor, the outlet of the battery stack boost DC-DC module and the outlet of the drive motor are connected to the inlet of the low-temperature radiator, and the outlet of the low-temperature radiator is connected to the inlet of the fourth water pump.

[0030] Furthermore, the system also includes a front-end cooling module, which includes the high-temperature radiator, the condenser, the low-temperature radiator and a cooling fan, and the cooling fan is used to cool the high-temperature radiator, the condenser and the low-temperature radiator.

[0031] The vehicle thermal control system of the present invention integrates the heating and cooling pipelines of the vehicle's fuel cell device and power battery device, connects the power battery heating and fuel cell heat dissipation circuits, and forms a power battery heating circuit, a cooling circuit, and a fuel cell cooling circuit, thereby streamlining the system structure, reducing components, lowering energy consumption, and improving energy utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is one of the interactive schematic diagrams of the vehicle thermal control system of the present utility model;

[0033] Figure 2 This is a schematic structural diagram of the vehicle thermal control system of the present utility model;

[0034] Figure 3 This is the second interactive schematic diagram of the vehicle thermal control system of the present utility model;

[0035] Figure 4 This is a schematic diagram of the heating mode cycle of the power battery device only of the present invention;

[0036] Figure 5 This is a schematic diagram of the cycle of the cab heating mode only of the present invention;

[0037] Figure 6 This is a schematic diagram of the power battery device heating and cab heating mode cycles of the present invention;

[0038] Figure 7 This is a schematic diagram of the cooling mode cycle of the power battery device only of the present invention;

[0039] Figure 8 This is a schematic diagram of the cab cooling mode only of the present invention;

[0040] Figure 9 This is a schematic diagram of the power battery device cooling and cab cooling mode cycles of the present invention;

[0041] Figure 10 This is a schematic diagram of the heating cycle of the fuel cell device of the present invention;

[0042] Figure 11 This is a schematic diagram of the cooling cycle of the fuel cell device of the present invention;

[0043] Figure 12This is a schematic diagram of the cooling cycle of the drive device of the present invention. DETAILED DESCRIPTION

[0044] Exemplary embodiments are described in detail herein, with examples illustrated in the accompanying drawings. When the following description refers to the drawings, identical numerals in different drawings represent identical or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present invention.

[0045] The terms used in this utility model are for the purpose of describing specific embodiments only and are not intended to limit the utility model. As used in this utility model and the appended claims, the singular forms "a," "the," and "the" are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0046] It should be understood that although the terms first, second, third, etc. may be used in this utility model to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, first information can also be referred to as second information without departing from the scope of this utility model, and similarly, second information can also be referred to as first information. Depending on the context, the word "if" as used herein can be interpreted as "when...", "when...", or "in response to determining."

[0047] A vehicle thermal control system according to the present invention will be described in detail below with reference to the accompanying drawings.

[0048] like Figure 1 FIG2 is a schematic diagram of the structure of a vehicle thermal control system according to the present invention. The vehicle thermal control system 10 includes a fuel cell device 11, a power battery device 12, and a drive device 13. The fuel cell device 11 and the power battery device 12 are respectively connected to the drive device 13 to supply power to the drive device 13.

[0049] The vehicle thermal control system 10 further includes a fuel cell thermal control module 21 and a power battery thermal control module 22. The fuel cell thermal control module 21 is used to control the temperature of the fuel cell device 11; the power battery thermal control module 22 is used to control the temperature of the power battery device 12;

[0050] The pipeline of the fuel cell thermal control module 21 and the pipeline of the power battery thermal control module 22 are connected to each other.

[0051] like Figure 2 As shown, Figure 1 Schematic diagram of the structure of the vehicle thermal control system 10.

[0052] refer to Figure 2 The fuel cell thermal control module 21 includes a first water pump 130, a heater 140, a first heat exchanger 250, a first three-way valve 170, a high-temperature radiator 180, a first pipeline 110, and a second pipeline 120. The first water pump 130 is used to allow the first thermal medium liquid to flow in the first pipeline 110 and the second pipeline 120. The outlet of the first water pump 130 is connected to the inlet of the heater 140, the outlet of the heater 140 is connected to the inlet of the fuel cell device 11, the outlet of the fuel cell device 11 is connected to the first inlet of the first heat exchanger 250, the first outlet of the first heat exchanger 250 is connected to the inlet of the first three-way valve 170, the first outlet of the first three-way valve 170 is connected to the inlet of the first pipeline 110, the second outlet of the first three-way valve 170 is connected to the inlet of the second pipeline 120, the high-temperature radiator 180 is arranged in the second pipeline 120, and the outlets of the first pipeline 110 and the second pipeline 120 are both connected to the inlet of the first water pump 130.

[0053] Continue to refer Figure 2 The power battery device 12 includes power battery devices Bat1-Bat4, and the power battery thermal control module 22 includes a fifth pipeline 310 provided with a third water pump 320, a second three-way valve 270 and a first heat exchanger 250. The third water pump 320 is used to make the third thermal medium liquid flow in the fifth pipeline 310; the inlet of the third water pump 320 is connected to the second outlet of the second three-way valve 270, and the outlet of the third water pump 320 is connected to the inlet of the power battery devices Bat1-Bat4, and the outlet of the power battery devices Bat1-Bat4 is connected to the second inlet of the first heat exchanger 250; the inlet of the second three-way valve 270 is connected to the second outlet of the first heat exchanger 250.

[0054] Furthermore, the power battery thermal control module 22 also includes a second heat exchanger 330, a second electronic expansion valve 370 and a sixth pipeline 360. The sixth pipeline 360 ​​forms a loop with the connected electric compressor 380 and condenser 390; the outlet of the second electronic expansion valve 370 is connected to the first inlet of the second heat exchanger 330, the first outlet of the second heat exchanger 330 is connected to the inlet of the electric compressor 380, the outlet of the electric compressor 380 is connected to the inlet of the condenser 390, and the outlet of the condenser 390 is connected to the inlet of the second electronic expansion valve 370.

[0055] Furthermore, the power battery thermal control module 22 further includes an electronic one-way valve 340. The outlets of the power battery devices Bat1-Bat4 are connected to the second inlet of the second heat exchanger 330, the second outlet of the second heat exchanger 330 is connected to the inlet of the electronic one-way valve 340, and the outlet of the electronic one-way valve 340 is connected to the inlet of the third water pump 320.

[0056] In one possible implementation, the second heat exchanger 330 may be a plate heat exchanger.

[0057] Continue to refer Figure 2 The vehicle thermal control system 10 also includes a front-end cooling module, which includes the high-temperature radiator 180, the condenser 390, the low-temperature radiator 460 and a cooling fan 500. The cooling fan 500 is used to cool the high-temperature radiator 180, the condenser 390 and the low-temperature radiator 460.

[0058] Continue to refer Figure 2 The fuel cell device 11 includes a fuel cell stack 150. When the temperature of the fuel cell stack 150 is lower than a preset temperature threshold, the first three-way valve 170 opens the first pipeline 110 and closes the second pipeline 120, and the heater 140 starts to heat the first thermal medium liquid in the first pipeline 110; when the temperature of the fuel cell stack 150 is higher than the preset temperature threshold, the first three-way valve 170 opens the second pipeline 120 and closes the first pipeline 110, and the high-temperature radiator 180 starts to dissipate the heat of the first thermal medium liquid in the second pipeline 120.

[0059] refer to Figure 3 The vehicle thermal control system 10 further includes a drive thermal control module 23 and a cab thermal control module 24. The drive thermal control module 23 is used to control the temperature of the drive device 13. The cab thermal control module 24 is used to adjust the temperature of the cab (not shown).

[0060] Specifically, refer to Figure 2 The cab thermal control module 24 includes a third pipeline 210 provided with a first heat exchanger 250, a second water pump 260, a second three-way valve 270 and a heater core 220; the second water pump 260 is used to make the second thermal medium liquid flow in the third pipeline 210; the second outlet of the first heat exchanger 250 is connected to the inlet of the second three-way valve 270, the first outlet of the second three-way valve 270 is connected to the inlet of the second water pump 260, the outlet of the second water pump 260 is connected to the inlet of the heater core 220, and the outlet of the heater core 220 is connected to the inlet of the first heat exchanger 250.

[0061] In one possible implementation, the first heat exchanger 250 may be a water-to-water heat exchanger.

[0062] Continue to refer Figure 2 The cab thermal control module 24 also includes a fourth pipeline 280 provided with a first electronic expansion valve 290, an evaporator 230, a blower 240, an electric compressor 380 and a condenser 390; the outlet of the first electronic expansion valve 290 is connected to the inlet of the evaporator 230, the outlet of the evaporator 230 is connected to the inlet of the electric compressor 380, the outlet of the electric compressor 380 is connected to the inlet of the condenser 390, and the outlet of the condenser 390 is connected to the inlet of the first electronic expansion valve 290, and the evaporator 230 dissipates heat through the blower 240.

[0063] Continue to refer Figure 2 The driving thermal control module 23 includes a fourth water pump 450, a driving motor 440, a motor controller 430, a battery stack boost DC-DC module 420, a low-temperature radiator 460 and a seventh pipeline 410. The fourth water pump 450 is used to make the fourth thermal medium liquid flow in the seventh pipeline 410; the outlet of the fourth water pump 450 is connected to the inlet of the motor controller 430 and the inlet of the battery stack boost DC-DC module 420, the outlet of the motor controller 430 is connected to the inlet of the driving motor 440, the outlet of the battery stack boost DC-DC module 420 and the outlet of the driving motor 440 are connected to the inlet of the low-temperature radiator 460, and the outlet of the low-temperature radiator 460 is connected to the inlet of the fourth water pump 450.

[0064] See below. Figure 4-11 The working principle of the vehicle thermal control system 10 is described in detail.

[0065] like Figure 4 The figure shows a schematic diagram of the cycle mode of the present invention for heating only the power battery device 12. When the vehicle is running, the fuel cell stack 150 is started, and when the temperature of the first thermal medium fluid is lower than the preset temperature threshold, if the power battery device 12 needs to be heated, the waste heat of the fuel cell device 11 is used to heat the power battery device 12.

[0066] In this embodiment, the first water pump 130 and the third water pump 320 are turned on. After the first thermal medium fluid exchanges heat with the third thermal medium fluid through the first heat exchanger 250, the third thermal medium fluid is connected to the interface 3-2 of the first three-way valve 170 to achieve diversion and flow to the water inlet of the third water pump 320.

[0067] The first thermal medium fluid circulates through the first pipeline 110. When the temperature of the first thermal medium fluid is higher than the preset temperature threshold, it circulates through the second pipeline 120 and is cooled by the high-temperature radiator 180. The higher the inlet water T1 temperature, the higher the speed of the first water pump 130 and the speed of the cooling fan 500, so as to quickly cool the fuel cell device 11.

[0068] In the fifth pipeline 310, flow is diverted by connecting port 3-2 of the second three-way valve 270. The third thermal medium liquid, heated by the first heat exchanger 250, heats the power battery assembly 12. The third water pump 320 is an adjustable speed component, and its real-time speed is controlled based on the temperature of the water inlet T4. The higher the temperature of T4 and the power battery assembly 12, the higher the speed of the third water pump 320.

[0069] like Figure 5 The figure shows the cycle diagram of the cab heating mode of the present invention. In this mode, the first thermal medium liquid circulation circuit is Figure 2 The first thermal medium liquid exchanges heat with the second thermal medium liquid through the first heat exchanger 250, the second thermal medium liquid is connected to the interface 3-1 of the second three-way valve 270 to achieve diversion, the second water pump 260 is turned on, and the second thermal medium liquid flows through the heater core 220 to heat the cab.

[0070] like Figure 6 The figure shows a schematic diagram of the power battery device 12 heating and cab heating mode cycles of the present invention. In this mode, both interfaces 3-1 and 3-2 of the second three-way valve 270 are connected to achieve simultaneous heating of the power battery device 12 and the cab. The allocation ratio of interfaces 1 and 2 is determined by the temperature inside the cab and the temperature of the power battery device 12. The first and third thermal medium fluid circulation loops are connected at the same time. Figure 3 The second thermal medium liquid circulation loop is the same as Figure 4 .

[0071] like Figure 7The figure shows a schematic diagram of the cooling cycle of the power battery unit 12 only in the present invention. In this mode, the third water pump 320 and the electric compressor 380 are both turned on, and the first electronic expansion valve 290 is closed. The thermal medium liquid after passing through the second electronic expansion valve 370 evaporates in the second heat exchanger 330 to cool the power battery units Bat1-Bat4. The thermal medium liquid then flows back to the electric compressor 380. After being compressed, the thermal medium liquid is dissipated and condensed in the condenser 390 before flowing into the second electronic expansion valve 370, completing the entire cycle. The cooled third thermal medium liquid then flows into the electronic check valve 340 and out of the electronic check valve 340 to the inlet of the third water pump 320. In this operating mode, port 3-2 of the second three-way valve 270 is closed to prevent the first thermal medium liquid in the fuel cell unit 11 from heating the third thermal medium liquid and affecting the cooling effect of the power battery unit 11.

[0072] like Figure 8 The figure shows a schematic diagram of the present invention in cab-only cooling mode. In this mode, the second electronic expansion valve 370, second water pump 260, and third water pump 320 are all closed. The thermal medium liquid evaporates in the evaporator 230 after passing through the first electronic expansion valve 290, exchanging heat with the high-temperature hot air in the cab to cool the cab. The evaporated thermal medium liquid flows back to the electric compressor 380, is compressed by the electric compressor 380, and then dissipates heat through the condenser 390. After dissipating heat in the condenser 390, it flows back into the first electronic expansion valve 290, completing the entire cycle.

[0073] like Figure 9 As shown, it is a schematic diagram of the power battery device 12 cooling and cab cooling mode cycle of the present invention. In this mode, the power battery device 12 cooling cycle is Figure 6 The cab cooling circuit is the same Figure 7 .

[0074] like Figure 10 As shown, this is a schematic diagram of the heating cycle of the fuel cell device 11 of the present invention. When operating in this mode, the temperature of the first thermal medium liquid is lower than the preset temperature threshold. In order to prevent the first thermal medium liquid from losing heat when passing through the high-temperature radiator 180, the first thermal medium liquid does not flow through the high-temperature radiator 180, and the heater 140 is turned on, and the interface 3-2 of the first three-way valve 170 is connected, so that the fuel cell device 11 can be quickly heated up.

[0075] like Figure 11As shown, this is a schematic diagram of the cooling cycle of the fuel cell device 11 of the present invention. When the temperature of the first thermal medium liquid is higher than the preset temperature threshold, the heater 140 is turned off, and the interface 3-1 of the first three-way valve 170 is connected, and heat is dissipated through the high-temperature radiator 180 to achieve cooling of the fuel cell device 11.

[0076] like Figure 12 Figure 2 shows a schematic diagram of the cooling cycle for the drive device 13 of the present invention. When the temperature of any one of the drive motor 440, the motor controller 430, or the stack boost DC-DC module 420 exceeds its normal operating temperature, the fourth water pump 450 and the corresponding cooling fan 500 are turned on. The speeds of the fourth water pump 450 and the cooling fan 500 are controlled based on the inlet temperature T6 to achieve rapid cooling of the drive device 13.

[0077] The utility model provides a vehicle thermal control system, which forms a cab heating circuit, a power battery heating circuit, and a fuel cell cooling circuit by connecting the cab heating, power battery heating and fuel cell heat dissipation circuit. By integrating the power battery pack cooling with the cab cooling, a power battery cooling and cab cooling circuit is formed, which streamlines the system structure, reduces parts, reduces energy consumption, and improves energy utilization.

[0078] In the embodiments provided herein, it should be understood that the disclosed devices / electronic devices described above are merely illustrative. For example, the division of modules or units is merely a logical functional division. In actual implementation, other divisions may be employed. Multiple units or components may be combined or integrated into another system, or some features may be omitted or not implemented. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interface, or the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other.

[0079] Units described as separate components may or may not be physically separate, and components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0080] In addition, the functional units in the various embodiments of the present invention may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The aforementioned integrated units may be implemented in the form of hardware or software functional units.

[0081] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention, and should all be included in the scope of protection of the present invention.

Claims

1. A vehicle thermal control system, characterized in that: The system includes: a fuel cell device, a power battery device, and a drive device, wherein the fuel cell device and the power battery device are respectively connected to the drive device to supply power to the drive device, the fuel cell device includes a fuel cell stack, and the power battery device includes a battery pack; The thermal control system also includes a fuel cell thermal control module and a power battery thermal control module. The fuel cell thermal control module is used to control the temperature of the fuel cell device; The power battery thermal control module is used to control the temperature of the power battery device; Wherein, the pipeline of the fuel cell thermal control module is connected to the pipeline of the power battery thermal control module; The fuel cell thermal control module includes: a first heat exchanger; The power battery thermal control module includes a fifth pipeline provided with a third water pump and a second three-way valve. The third water pump is used to make the third thermal medium liquid flow in the fifth pipeline; The inlet of the third water pump is connected to the second outlet of the second three-way valve, the outlet of the third water pump is connected to the inlet of the power battery device, the outlet of the power battery device is connected to the second inlet of the first heat exchanger; the inlet of the second three-way valve is connected to the second outlet of the first heat exchanger; The power battery thermal control module further includes an electronic one-way valve and a second heat exchanger; The outlet of the power battery device is connected to the second inlet of the second heat exchanger, the second outlet of the second heat exchanger is connected to the inlet of the electronic one-way valve, and the outlet of the electronic one-way valve is connected to the inlet of the third water pump.

2. The system according to claim 1, wherein: The fuel cell thermal control module further includes a first water pump, a heater, a first three-way valve, a high-temperature radiator, a first pipeline and a second pipeline; The first water pump is used to make the first thermal medium liquid flow in the first pipeline and the second pipeline; The outlet of the first water pump is connected to the inlet of the heater, the outlet of the heater is connected to the inlet of the fuel cell device, the outlet of the fuel cell device is connected to the first inlet of the first heat exchanger, the first outlet of the first heat exchanger is connected to the inlet of the first three-way valve, the first outlet of the first three-way valve is connected to the inlet of the first pipeline, the second outlet of the first three-way valve is connected to the inlet of the second pipeline, the high-temperature radiator is arranged in the second pipeline, and the outlet of the first pipeline and the outlet of the second pipeline are both connected to the inlet of the first water pump.

3. The system according to claim 2, characterized in that When the temperature of the fuel cell stack is lower than a preset temperature threshold, the first three-way valve opens the first pipeline and closes the second pipeline, and the heater is started to heat the first thermal medium liquid in the first pipeline; When the temperature of the fuel cell stack is higher than the preset temperature threshold, the first three-way valve opens the second pipeline and closes the first pipeline, and the high-temperature radiator starts to dissipate heat of the first thermal medium fluid in the second pipeline.

4. The system according to claim 2, wherein: The thermal control system further includes a cab thermal control module, the cab thermal control module including a third pipeline provided with the first heat exchanger, a second water pump, a second three-way valve and a heater core; The second water pump is used to make the second thermal medium liquid flow in the third pipeline; The second outlet of the first heat exchanger is connected to the inlet of the second three-way valve, the first outlet of the second three-way valve is connected to the inlet of the second water pump, the outlet of the second water pump is connected to the inlet of the heater core, and the outlet of the heater core is connected to the inlet of the first heat exchanger.

5. The system according to claim 4, characterized in that The cab thermal control module further includes a fourth pipeline provided with a first electronic expansion valve, an evaporator, a blower, an electric compressor and a condenser; The outlet of the first electronic expansion valve is connected to the inlet of the evaporator, the outlet of the evaporator is connected to the inlet of the electric compressor, the outlet of the electric compressor is connected to the inlet of the condenser, the outlet of the condenser is connected to the inlet of the first electronic expansion valve, and the evaporator dissipates heat through the blower.

6. The system according to claim 1, wherein: The power battery thermal control module further includes a sixth pipeline provided with a second electronic expansion valve, wherein the sixth pipeline forms a loop with the connected electric compressor and condenser; The outlet of the second electronic expansion valve is connected to the first inlet of the second heat exchanger, the first outlet of the second heat exchanger is connected to the inlet of the electric compressor, the outlet of the electric compressor is connected to the inlet of the condenser, and the outlet of the condenser is connected to the inlet of the second electronic expansion valve.

7. The system according to any one of claims 1 to 6, characterized in that The thermal control system further includes a driving thermal control module, which includes a fourth water pump, a driving motor, a motor controller, a stack boost DC-DC module, a low-temperature radiator and a seventh pipeline. The fourth water pump is used to make the fourth thermal medium liquid flow in the seventh pipeline; The outlet of the fourth water pump is connected to the inlet of the motor controller and the inlet of the battery stack boost DC-DC module, the outlet of the motor controller is connected to the inlet of the drive motor, the outlet of the battery stack boost DC-DC module and the outlet of the drive motor are connected to the inlet of the low-temperature radiator, and the outlet of the low-temperature radiator is connected to the inlet of the fourth water pump.

8. The system according to claim 7, characterized in that The system further includes a front-end cooling module, which includes a high-temperature radiator, a condenser, a low-temperature radiator, and a cooling fan. The cooling fan is used to cool the high-temperature radiator, the condenser, and the low-temperature radiator.

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