Integrated hydrogen fuel cell power assembly, method of operation, and vehicle

Abstract

The application relates to the technical field of fuel cells, in particular to an integrated hydrogen fuel cell power assembly, a working method and a vehicle. The integrated hydrogen fuel cell power assembly comprises a bearing plate, a hydrogen fuel stack and an air inlet intercooler are arranged on the bearing plate, an electric pile controller and a hydrogen circulation device are arranged on the side wall of the hydrogen fuel stack, an electric pile boosting device is arranged above the hydrogen fuel cell, the electric pile boosting device is connected with the hydrogen fuel stack and the electric pile controller, a support structure is arranged at the bottom of the bearing plate, an electric drive system is arranged on the support structure, an air conditioner compressor is arranged on one side of the support structure, and an air compressor is arranged on the other side of the support structure; a suspension system is added to realize vibration decoupling between the power assembly and the vehicle body, improve the performance of the noise, vibration and acoustic roughness of the whole vehicle, and make the electric pile and the accessory system not directly subjected to the vibration impact transmitted from the ground to the vehicle body, so that the reliability and durability of the electric pile assembly are effectively ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fuel cells, in particular to an integrated hydrogen fuel cell power assembly, a working method and a vehicle. BACKGROUND

[0002] Traditional fuel vehicles are the main source of exhaust emissions, so developing clean energy vehicles is the only way to effectively reduce carbon emissions and achieve the double carbon goal. Hydrogen fuel cells use hydrogen and air as fuel, and an electrochemical reaction occurs in the fuel cell stack to generate electrical energy and drive the vehicle through the electric drive system. At the same time, its reaction emissions are only water, truly achieving zero emissions, and it is the ultimate energy for vehicle development.

[0003] The hydrogen fuel cell stack and the stack PCU, air intake system, hydrogen circulation system, cooling system and other accessory systems are the core components of the hydrogen fuel cell vehicle. The arrangement and integration of these systems on the vehicle have a significant impact on the vehicle's space utilization, weight, power economy, NVH and other performance.

[0004] The existing hydrogen fuel cell power system integrates the hydrogen fuel cell stack and the stack accessory system into one assembly, but does not consider the arrangement and integration of other system components such as the electric drive system and air conditioning compressor on the vehicle. The integration degree is not high, and it is not convenient to arrange the hydrogen fuel cell system and electric drive system and other system components on the vehicle cabin based on the traditional vehicle. At the same time, the installation method of the fuel cell system assembly on the vehicle is not clearly specified, which has a significant impact on the reliability and durability of the subsequent fuel cell system. SUMMARY

[0005] Therefore, the technical problem to be solved by the present application is to overcome the problem of low integration degree of the electric drive system and air conditioning compressor and other system components on the vehicle in the prior art hydrogen fuel cell power system, so as to provide an integrated hydrogen fuel cell power assembly, a working method and a vehicle.

[0006] In order to solve the above technical problems, the application provides an integrated hydrogen fuel cell power assembly, which comprises a bearing plate, a hydrogen fuel stack and a hydrogen circulation device arranged on the bearing plate, and an electric pile controller and an air inlet intercooler arranged on the side wall of the hydrogen fuel stack; an electric pile booster device arranged above the hydrogen fuel cell and connected with the hydrogen fuel stack and the electric pile controller; a support structure arranged at the bottom of the bearing plate and provided with an electric drive system, an air conditioner compressor arranged on one side of the support structure and an air compressor arranged on the other side; an air filter arranged on the electric pile booster device, through which external air enters from an air inlet, and the air filter is connected with the air compressor, and the air compressor is connected with the air inlet intercooler; a cooling water pump arranged on one side of the electric drive system and connected with the hydrogen fuel stack and a water heating heater; and a suspension structure arranged on the bearing plate and fixedly connected with a vehicle body.

[0007] Further, the intercooler is connected with an air inlet valve and an exhaust back pressure valve of the hydrogen fuel stack.

[0008] Further, a thermostat is arranged on the bearing plate and located on one side of the electric drive system, and the thermostat is connected with the cooling water pump, the radiator and the hydrogen fuel stack respectively.

[0009] Further, the support structure comprises a first connecting bracket and a second connecting bracket, the electric drive system is arranged between the first connecting bracket and the second connecting bracket, the air conditioner compressor is arranged on one side of the first connecting bracket, and the air compressor is arranged on one side of the second connecting bracket.

[0010] Further, the suspension structure comprises a first suspension, a second suspension, a third suspension and a fourth suspension, the first suspension and the second suspension are arranged on the top of the bearing plate, and the third suspension and the fourth suspension are arranged on the bottom of the bearing plate.

[0011] Further, an air flow meter is arranged on the connecting pipeline between the air filter and the air compressor.

[0012] Further, a cooling pipeline is arranged for connecting the cooling water pump and the thermostat, and a first sensor is arranged on the cooling pipeline.

[0013] Further, a second sensor is arranged on the hydrogen fuel stack, and the first sensor and the second sensor are connected with the electric pile controller.

[0014] The application further provides a working method of the integrated hydrogen fuel cell power assembly, comprising: connecting the air inlet connection port of the air filter with the air inlet port of the vehicle body through the air guide pipeline to introduce external air into the air filter, connecting the air outlet of the air filter with the air inlet port of the air compressor through the air filter pipeline to introduce air into the air compressor, installing the air flow meter on the connecting pipeline at the air outlet of the air filter, using the air flow meter to monitor the air flow entering the air compressor, connecting the air outlet of the air compressor with the air inlet port of the air intercooler, connecting the air intercooler with the air inlet valve and the exhaust back pressure valve of the hydrogen fuel cell stack through the three-way valve; connecting the hydrogen circulation device with the pressure reducing valve of the hydrogen storage system through the hydrogen supply pipeline, connecting the hydrogen circulation device with the exhaust back pressure valve through the hydrogen circulation pipeline; connecting the cooling pipeline of the cooling water pump with the three-way interface of the thermostat and the radiator interface of the vehicle.

[0015] The application further provides a vehicle comprising the integrated hydrogen fuel cell power assembly.

[0016] The application has the following advantages:

[0017] 1. The integrated hydrogen fuel cell power assembly provided by the application comprises a bearing plate, a hydrogen fuel cell stack and an air intercooler are arranged on the bearing plate, an electric pile controller and a hydrogen circulation device are arranged on the side wall of the hydrogen fuel cell stack, an electric pile booster is arranged above the hydrogen fuel cell, the electric pile booster is connected with the hydrogen fuel cell stack and the electric pile controller, a support structure is arranged at the bottom of the bearing plate, an electric drive system is arranged on the support structure, an air conditioner compressor is arranged on one side of the support structure, and an air compressor is arranged on the other side of the support structure, an air filter is arranged on the electric pile booster, external air enters the air filter through the air inlet port, the air filter is connected with the air compressor, the air compressor is connected with the air intercooler, a cooling water pump is arranged on one side of the electric drive system, the cooling water pump is connected with the hydrogen fuel cell stack and a water heating heater, and a suspension structure is arranged on the bearing plate and fixedly connected with the vehicle body.

[0018] By integrating the hydrogen fuel stack and hydrogen circulation device, the stack controller, the air inlet intercooler, the stack booster, the electric drive system, the air conditioner compressor, the air compressor, the air filter, and the cooling water pump on the bearing plate and the support structure, the above-mentioned parts are integrated into one whole, the electric drive system, the air conditioner compressor and other parts prone to vibration and noise are integrated into one whole, the size boundary of the electric drive system is designed according to the cabin layout space, which is beneficial to the overall arrangement in the cabin. By increasing the suspension structure, the power assembly and the vehicle body are decoupled to avoid vibration and noise, improve the performance of the overall vehicle noise, vibration and acoustic roughness, and the suspension system can effectively ensure the reliability and durability of the stack assembly, and the arrangement of the suspension structure can maximize the use of the existing traditional vehicle cabin longitudinal beam structure, and increase the compatibility with the traditional vehicle.

[0019] 2. The integrated hydrogen fuel cell power assembly provided by the application, wherein the intercooler is connected with the air inlet valve and the exhaust back pressure valve of the hydrogen fuel stack. The air outlet of the air compressor is connected with the air inlet of the intercooler, so that the air inlet temperature meets the demand of the hydrogen fuel stack and improves the efficiency of the stack.

[0020] 3. The integrated hydrogen fuel cell power assembly provided by the application, wherein the support structure comprises a first connecting bracket and a second connecting bracket, the electric drive system is arranged between the first connecting bracket and the second connecting bracket, the air conditioner compressor is arranged on one side of the first connecting bracket, and the air compressor is arranged on one side of the second connecting bracket. The first connecting bracket and the second connecting bracket are both L-shaped, the electric drive system, the air conditioner compressor and the air compressor are arranged on the first connecting bracket and the second connecting bracket, the above-mentioned parts are integrated into one whole, and the size boundary of the electric drive system is designed according to the cabin layout space, which is beneficial to the overall arrangement in the cabin.

[0021] The summary section is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description section. This summary section is not intended to identify key or essential features of the disclosure, and is not intended to limit the scope of the disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0023] Figure 1A structural schematic diagram of the integrated hydrogen fuel cell power assembly provided by the present application is shown in the figure;

[0024] Figure 2 A rear view of the integrated hydrogen fuel cell power assembly provided by the present application is shown in the figure; Figure 1

[0025] Figure 3 A left side view of the integrated hydrogen fuel cell power assembly provided by the present application is shown in the figure; Figure 1

[0026] Figure 4 A right side view of the integrated hydrogen fuel cell power assembly provided by the present application is shown in the figure. Figure 1 Explanation of reference signs:

[0027] 1, bearing plate; 2, hydrogen fuel cell stack; 3, hydrogen circulation device; 4, stack controller; 5, air inlet intercooler; 6, stack booster; 7, electric drive system; 8, air conditioning compressor; 9, air compressor; 10, air cleaner; 11, cooling water pump; 12, water heating heater; 13, exhaust back pressure valve; 14, thermostat; 15, first connecting bracket; 16, second connecting bracket; 17, first suspension; 18, second suspension; 19, third suspension; 20, fourth suspension;

[0028] DETAILED DESCRIPTION In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present disclosure. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0029] In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present disclosure, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0030]

[0031] ​​​In the description of the present disclosure, it should be noted that unless specifically defined and limited otherwise, the terms "mount", "connect", "connection" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0032] In the present disclosure, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "under" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0033] The following disclosure provides many different embodiments or examples for implementing different structures of the present disclosure. In order to simplify the disclosure of the present disclosure, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present disclosure. In addition, the present disclosure can repeatedly refer to numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present disclosure provides various specific examples of processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0034] The preferred embodiments of the present disclosure are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0035] Please refer to Figures 1 to 4As shown, the application provides an integrated hydrogen fuel cell power assembly, comprising: a bearing plate 1, the bearing plate 1 is provided with a hydrogen fuel stack 2 and an air inlet intercooler, and a stack controller 4 and a hydrogen circulation device 3 are arranged on the side wall of the hydrogen fuel stack 2; a stack booster 6 is arranged above the hydrogen fuel cell, and the stack booster 6 is connected with the hydrogen fuel stack 2 and the stack controller 4; a support structure is arranged at the bottom of the bearing plate 1, and an electric drive system 7 is arranged on the support structure, an air conditioner compressor 8 is arranged on one side of the support structure, and an air compressor 9 is arranged on the other side; an air filter 10 is arranged on the stack booster 6, external air enters the air inlet of the air filter 10, and the air filter 10 is connected with the air compressor 9, and the air compressor 9 is connected with the air inlet intercooler 5; a cooling water pump 11 is arranged on one side of the electric drive system, and the cooling water pump 11 is connected with the hydrogen fuel stack 2 and a water heating heater 12; a suspension structure is arranged on the bearing plate 1, and the suspension structure is fixedly connected with the vehicle body.

[0036] By integrating the hydrogen fuel stack 2 and the hydrogen circulation device 3, the stack controller 4, the air inlet intercooler 5, the stack booster 6, the electric drive system 7, the air conditioner compressor 8, the air compressor 9, the air filter 10, and the cooling water pump 11 on the bearing plate 1 and the support structure, the above-mentioned parts are integrated into one whole, the electric drive system, the air conditioner compressor 8 and other parts prone to vibration and noise are integrated into one whole while the stack and its accessory system are integrated, the size boundary of the electric drive system 7 is designed according to the cabin layout space, which is beneficial to the overall arrangement in the cabin. Through the suspension structure, the power assembly and the vehicle body are decoupled to avoid vibration and noise, improve the performance of the overall vehicle noise, vibration and acoustic roughness, and the suspension system makes the stack and its accessory system not directly subjected to the vibration impact transmitted from the ground to the vehicle body, effectively ensures the reliability and durability of the stack assembly, and the arrangement of the suspension structure can maximize the use of the existing conventional vehicle cabin longitudinal beam structure, and increase the compatibility with the conventional vehicle.

[0037] The air inlet connection port of the air filter 10 is connected with the air inlet port of the vehicle body through an air guide pipeline, external air is introduced into the air filter 10, the air outlet of the air filter 10 is connected with the air inlet of the air compressor 9 through an air filter 10 pipeline, air is introduced into the air compressor 9, and the air outlet of the air compressor 9 is connected with the air inlet of the air intercooler 5, so that the air is compressed into high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the intercooler, the air inlet problem meets the requirements of the stack, and the efficiency of the stack is improved. At the same time, the air intercooler 5 is connected with the air inlet valve and the exhaust back pressure valve 13 of the hydrogen fuel stack 2 through a three-way valve, the cooled gas of the air intercooler 5 enters the hydrogen fuel stack 2 through the air inlet valve to occur electrochemical reaction, forms liquid water, flows to the exhaust back pressure valve 13 from the water outlet of the hydrogen fuel stack 2, and is finally discharged from the exhaust back pressure valve 13. The hydrogen circulation device 3 is connected with the hydrogen storage system pressure reducing valve through a hydrogen supply pipeline, and the hydrogen circulation device 3 is connected with the exhaust back pressure valve 13 through a hydrogen circulation pipeline; the cooling water pump 11 is connected with the vehicle radiator interface and the three-way interface of the thermostat 14 through a cooling pipeline.

[0038] In some optional embodiments, the intercooler is connected with the air inlet valve and the exhaust back pressure valve 13 of the hydrogen fuel stack 2. The air outlet of the air compressor 9 is connected with the air inlet of the air intercooler 5, so that the air is compressed into high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the intercooler, the air inlet temperature is reduced, the air inlet amount is increased, and the power of the stack is increased.

[0039] The integrated hydrogen fuel cell power assembly also includes a thermostat 14 arranged on the bearing plate 1 and located on one side of the electric drive system, and a three-way interface of the thermostat 14 is connected with the cooling water pump 11 and the hydrogen fuel stack 2. At the same time, the cooling water pump 11 is connected with the radiator of the vehicle through a cooling pipeline, and the thermostat 14 is a valve for controlling the flow path of the cooling liquid and is an automatic temperature regulating device, so that the cooling liquid flowing out of the cooling water pump 11 and entering the hydrogen fuel stack 2 can be controlled.

[0040] In some optional embodiments, the support structure includes a first connecting bracket 15 and a second connecting bracket 16, the electric drive system is arranged between the first connecting bracket 15 and the second connecting bracket 16, the air conditioner compressor 8 is arranged on one side of the first connecting bracket 15, and the air compressor 9 is arranged on one side of the second connecting bracket 16. The first connecting bracket 15 and the second connecting bracket 16 are both L-shaped, the electric drive system and the air compressor 9 and the air conditioner compressor 8 are arranged on the first connecting bracket 15 and the second connecting bracket 16, the above-mentioned parts are integrated into a whole, the size boundary of the electric drive system 7 is designed according to the cabin arrangement space, and the overall arrangement in the cabin is facilitated.

[0041] In some alternative embodiments, the suspension structure comprises a first suspension 17, a second suspension 18, a third suspension 19, and a fourth suspension 20, the first suspension 17 and the second suspension 18 are arranged on both sides of the top of the carrier plate 1, and the third suspension 19 and the fourth suspension 20 are arranged on both sides of the bottom of the carrier plate 1. By arranging the suspension structure as four suspensions, i.e. comprising the first suspension 17, the second suspension 18, the third suspension 19, and the fourth suspension 20, the power assembly is decoupled from the vehicle body by the suspension structure, avoiding vibration and noise, improving the performance of the overall vehicle noise, vibration, and acoustic roughness, and at the same time, the suspension system makes the battery and its accessory system not directly subjected to the vibration impact transmitted from the ground to the vehicle body, effectively ensuring the reliability and durability of the battery assembly. The arrangement of the suspension structure can maximize the use of the existing conventional vehicle engine compartment longitudinal beam structure, increasing the compatibility with conventional vehicles.

[0042] In some alternative embodiments, the integrated hydrogen fuel cell power assembly further comprises an air flow meter arranged on the connecting pipeline between the air filter 10 and the air compressor 9. The arrangement of the flow meter effectively detects the air flow into the air compressor 9.

[0043] In some alternative embodiments, the integrated hydrogen fuel cell power assembly further comprises a cooling pipeline for connecting the cooling water pump 11 and the thermostat 14, and a first sensor is arranged on the cooling pipeline; a second sensor is arranged on the hydrogen fuel cell stack 2, and the first sensor and the second sensor are connected to the stack controller 4. The arrangement of the first sensor and the second sensor can effectively realize real-time detection of the liquid temperature of the cooling liquid and the hydrogen fuel cell stack 2, and transmit the detected data to the stack controller 4 for real-time control

[0044] The application further provides a working method of the integrated hydrogen fuel cell power assembly, comprising: connecting the air inlet connection port of the air filter 10 with the air inlet port on the vehicle body through the air lead pipe to lead external air into the air filter 10, connecting the air outlet of the air filter 10 with the air inlet of the air compressor 9 through the air filter 10 pipe to lead air into the air compressor 9, installing the air flow meter on the connecting pipe at the air outlet of the air filter 10, and using the air flow meter to monitor the air flow into the air compressor 9, connecting the air outlet of the air compressor 9 with the air inlet of the intake intercooler 5, and connecting the intake intercooler 5 with the air inlet valve and the exhaust back pressure valve 13 of the hydrogen fuel cell stack 2 through the three-way valve; connecting the hydrogen circulation device 3 with the hydrogen storage system pressure reducing valve through the hydrogen supply pipe, and connecting the hydrogen circulation device 3 with the exhaust back pressure valve 13 through the hydrogen circulation pipe; connecting the cooling water pump 11 with the hydrogen fuel cell stack 2, the three-way interface of the thermostat 14 and the external radiator through the cooling pipe. The cooling water pump 11 is responsible for the circulation flow of the hydrogen fuel cell stack 2 cooling water circuit; the thermostat 14 is responsible for the opening and closing of the small and large circulation of the hydrogen fuel cell stack 2 cooling water circuit, when the hydrogen fuel cell stack 2 cooling water temperature is low, the thermostat 14 connects the small circulation, and the hydrogen fuel cell stack 2 cooling water circulates between the hydrogen fuel cell stack 2, the cooling water pump 11, the thermostat 14 and the hydrogen fuel cell stack 2; when the hydrogen fuel cell stack 2 cooling water temperature reaches the hydrogen fuel cell stack 2 working temperature limit, the thermostat 14 connects the large circulation through the internal electromagnetic valve, and the cooling water circulates between the hydrogen fuel cell stack 2, the cooling water pump 11, the external radiator, the thermostat 14 and the hydrogen fuel cell stack 2.

[0045] The large circulation is: when the hydrogen fuel cell stack 2 working temperature exceeds the specified threshold, the thermostat 14 three-way valve connects the external radiator (not shown in the figure), and the cooling water circuit is cooled through the radiator;

[0046] The small circulation is: the external radiator is not connected.

[0047] When the hydrogen fuel cell stack 2 works, the three-way valve is connected with the hydrogen fuel cell stack 2, the air cooled by the intercooler 5 enters the hydrogen fuel cell stack 2 to generate electrochemical reaction through the three-way valve; within several minutes when the hydrogen fuel cell stack 2 stops working, the three-way valve is connected with the exhaust back pressure valve 13 to forcibly purge the exhaust system (not shown in the figure) to discharge the water remaining in the exhaust system. When the hydrogen fuel cell stack 2 works, the hydrogen after pressure reduction is supplied to the anode of the hydrogen fuel cell stack 2 through the ejector in the hydrogen circulation device 3 to generate electrochemical reaction in the hydrogen fuel cell stack 2; the excess hydrogen and water discharged from the anode of the hydrogen fuel cell stack 2 are separated by the gas-liquid separator in the hydrogen circulation device 3, the excess hydrogen is introduced into the anode again through the circulating pump in the hydrogen circulation device 3 to participate in the electrochemical reaction, thereby avoiding hydrogen waste and improving the economy of the hydrogen fuel cell stack 2, and the separated condensed water flows to the exhaust system through the pipe connected with the exhaust back pressure valve 13 and is discharged outside the vehicle.

[0048] The present application also provides a vehicle comprising the integrated hydrogen fuel cell power assembly.

[0049] Obviously, the above-mentioned embodiments are only examples for clearly illustrating the present application and are not intended to limit the embodiments. Based on the above-mentioned description, other different forms of changes or variations can be made by those skilled in the art. Here, it is not necessary and also impossible to enumerate all the embodiments. The obvious changes or variations derived from the above-mentioned embodiments are still within the protection scope of the present application.

Claims

1. An integrated hydrogen fuel cell powertrain, characterized in that, include: The support plate (1) is provided with a hydrogen fuel cell stack (2) and an air intake intercooler (5), and a stack controller (4) and a hydrogen circulation device (3) are provided on the side wall of the hydrogen fuel cell stack (2). A fuel cell stack booster device (6) is located above the hydrogen fuel cell and is connected to the hydrogen fuel cell stack (2) and the fuel cell stack controller (4). A support structure is provided at the bottom of the bearing plate (1), and an electric drive system (7) is provided on the support structure. An air conditioning compressor (8) is provided on one side of the support structure, and an air compressor (9) is provided on the other side. An air filter (10) is installed on the fuel cell booster (6). Outside air enters through the air inlet of the air filter (10), and the air filter (10) is connected to the air compressor (9). The air compressor (9) is connected to the air inlet intercooler (5). A cooling water pump (11) is located on one side of the electric drive system, and the cooling water pump (11) is connected to the hydrogen fuel cell stack (2) and the water heater (12); A suspension structure is provided on the bearing plate (1), and the suspension structure is fixedly connected to the vehicle body; The support structure includes a first connecting bracket (15) and a second connecting bracket (16). The electric drive system is located between the first connecting bracket (15) and the second connecting bracket (16). The air conditioning compressor (8) is located on one side of the first connecting bracket (15), and the air compressor (9) is located on one side of the second connecting bracket (16).

2. The integrated hydrogen fuel cell powertrain according to claim 1, characterized in that, The intercooler is connected to the intake valve and exhaust back pressure valve (13) of the hydrogen fuel cell stack (2).

3. The integrated hydrogen fuel cell powertrain according to claim 2, characterized in that, It also includes a thermostat (14), which is mounted on the support plate (1) and located on one side of the electric drive system. The thermostat (14) is connected to the cooling water pump (11), the radiator, and the hydrogen fuel cell stack (2).

4. The integrated hydrogen fuel cell powertrain according to claim 3, characterized in that, The suspension structure includes a first suspension (17), a second suspension (18), a third suspension (19), and a fourth suspension (20). The first suspension (17) and the second suspension (18) are located on the top sides of the support plate (1), and the third suspension (19) and the fourth suspension (20) are located on the bottom sides of the support plate (1).

5. The integrated hydrogen fuel cell powertrain according to claim 4, characterized in that, It also includes an air flow meter, which is located on the connecting pipe between the air filter (10) and the air compressor (9).

6. The integrated hydrogen fuel cell powertrain according to claim 5, characterized in that, It also includes a cooling pipe for connecting a cooling water pump (11) and a thermostat (14), and a first sensor is provided on the cooling pipe.

7. The integrated hydrogen fuel cell powertrain according to claim 6, characterized in that, The hydrogen fuel cell stack (2) is equipped with a second sensor, and the first and second sensors are connected to the stack controller (4).

8. The method for operating the integrated hydrogen fuel cell powertrain according to any one of claims 1-7, characterized in that, include: The air inlet of the air filter (10) is connected to the air vent on the vehicle body via an air vent pipe, introducing external air into the air filter (10). The air outlet of the air filter (10) is connected to the air inlet of the air compressor (9) via the air filter (10) pipe, introducing air into the air compressor (9). An air flow meter is installed on the connecting pipe at the air outlet of the air filter (10). The air flow meter is used to monitor the air flow entering the air compressor (9). The outlet of the engine (9) is connected to the inlet of the intercooler (5), and the intercooler (5) is connected to the inlet valve and the exhaust back pressure valve (13) of the hydrogen fuel cell stack (2) through a three-way valve; the hydrogen circulation device (3) is connected to the pressure reducing valve of the hydrogen storage system through the hydrogen supply pipeline, and the hydrogen circulation device (3) is connected to the exhaust back pressure valve (13) through the hydrogen circulation pipeline; the cooling water pump (11) is connected to the radiator interface of the vehicle and the three-way interface of the thermostat (14) through the cooling pipeline. The cooling water pump (11) is connected to the hydrogen fuel cell stack (2), the thermostat (14) tee port and the external radiator through the cooling pipe. The cooling water pump (11) is responsible for the circulation of the cooling water circuit of the hydrogen fuel cell stack (2). The thermostat (14) is responsible for opening and closing the large and small circulations of the cooling water circuit of the hydrogen fuel cell stack (2). When the cooling water temperature of the hydrogen fuel cell stack (2) is low, the thermostat (14) connects to the small circulation, and the cooling water of the hydrogen fuel cell stack (2) circulates between the hydrogen fuel cell stack (2), the cooling water pump (11), the thermostat (14) and the hydrogen fuel cell stack (2). When the cooling water temperature of the hydrogen fuel cell stack (2) reaches the operating temperature limit of the hydrogen fuel cell stack (2), the thermostat (14) connects to the large circulation through the internal solenoid valve, and the cooling water circulates between the hydrogen fuel cell stack (2), the cooling water pump (11), the external radiator, the thermostat (14) and the hydrogen fuel cell stack (2). When the hydrogen fuel cell stack (2) is working, the three-way valve is connected to the hydrogen fuel cell stack (2). Air cooled by the intercooler (5) enters the hydrogen fuel cell stack (2) through the three-way valve to undergo an electrochemical reaction. During the few minutes when the hydrogen fuel cell stack (2) stops working, the three-way valve is connected to the exhaust back pressure valve (13) to force-purge the exhaust system and discharge the water remaining in the exhaust system. When the hydrogen fuel cell stack (2) is working, the depressurized hydrogen is supplied to the anode of the hydrogen fuel cell stack (2) through the injector in the hydrogen circulation device (3) to undergo an electrochemical reaction. The excess hydrogen and water discharged from the anode of the hydrogen fuel cell stack (2) are separated by the gas-liquid separator in the hydrogen circulation device (3). The excess hydrogen is reintroduced into the anode through the circulation pump in the hydrogen circulation device (3) to participate in the electrochemical reaction, avoiding hydrogen waste and improving the economy of the hydrogen fuel cell stack (2). The separated condensate flows to the exhaust system through the pipeline connected to the exhaust back pressure valve (13) and is discharged outside the vehicle.

9. A vehicle, characterized in that, The integrated hydrogen fuel cell powertrain includes any one of claims 1-7.

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