Fuel cell tractor

Abstract

The utility model discloses a fuel cell tractor, and relates to the technical field of vehicles. The fuel cell tractor comprises a frame, a cab and a hydrogen cylinder, the cab and the hydrogen cylinder are arranged above the frame, the hydrogen cylinder is arranged behind the cab, a driving system, a fuel cell engine and a power cell module are arranged at the bottom of the frame, the fuel cell engine, the power cell module and the driving system are electrically connected in sequence, and the hydrogen cylinder transmits hydrogen to the fuel cell engine. The fuel cell engine converts hydrogen into electric energy and transmits the electric energy to the power cell module, the power cell module transmits the electric energy to the driving system, a fuel cell cooling system is arranged above the hydrogen bottle, and the fuel cell cooling system dissipates heat of the fuel cell engine. The chassis layout of the fuel cell tractor can be simplified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to a fuel cell tractor. BACKGROUND

[0002] The fuel cell tractor is a kind of commercial vehicle which uses fuel cell as the main power source. Its basic principle is to use the electrochemical reaction of hydrogen and oxygen in the fuel cell stack to generate electric energy to drive the vehicle. Specifically, hydrogen is oxidized at the anode, releasing electrons, which pass through the external circuit to the cathode, while hydrogen ions pass through the electrolyte to the cathode to react with oxygen to generate water. The electric energy generated in this process is used to drive the electric motor, thereby driving the tractor to move.

[0003] In the prior art, the hydrogen tank and the battery pack are arranged on the chassis, which leads to complex layout of the chassis, and is not conducive to vehicle assembly and maintenance. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a fuel cell tractor which can simplify the layout of the chassis of the fuel cell tractor.

[0005] The embodiment of the present application is implemented as follows:

[0006] The embodiment of the present application provides a fuel cell tractor, which comprises a vehicle frame, a cab arranged above the vehicle frame, and a hydrogen bottle arranged behind the cab. The bottom of the vehicle frame is provided with a drive system, a fuel cell engine and a power battery module. The fuel cell engine, the power battery module and the drive system are electrically connected in sequence. The hydrogen bottle transmits hydrogen to the fuel cell engine. The fuel cell engine converts hydrogen into electric energy and transmits it to the power battery module. The power battery module transmits electric energy to the drive system. A fuel cell cooling system is arranged above the hydrogen bottle, which cools the fuel cell engine.

[0007] Optionally, as an implementable way, the fuel cell cooling system comprises a fuel cell heat conduction pipe, a heat conduction core and a first cooling fan. The heat conduction pipe conducts the heat of the fuel cell to the heat conduction core, and the first cooling fan sucks air to the heat conduction core.

[0008] Optionally, as an implementable way, it further comprises an air conditioning module for adjusting the temperature of the cockpit. The air conditioning module comprises an air conditioning condenser and an air conditioning compressor.

[0009] Optionally, as an implementable manner, the electric drive system heat dissipation module comprises an electric drive system heat conduction pipeline, a heat dissipation module and a second heat dissipation fan, the electric drive system heat conduction pipeline is connected with the heat dissipation module and the drive system, and the second heat dissipation fan sucks air to the heat dissipation module.

[0010] Optionally, as an implementable manner, the second heat dissipation fan, the heat dissipation module and the air conditioner condenser are arranged in sequence along the driving direction of the vehicle.

[0011] Optionally, as an implementable manner, the power battery cooling unit is in heat conduction communication with the air conditioner condenser.

[0012] Optionally, as an implementable manner, the drive system is an integrated electric drive axle system.

[0013] Optionally, as an implementable manner, the integrated controller is electrically connected with the fuel cell engine, the power battery module and the drive system.

[0014] Optionally, as an implementable manner, the high-voltage control box is used for controlling and distributing high-voltage electricity.

[0015] Optionally, as an implementable manner, the low-voltage storage battery is used for providing power for low-voltage electrical equipment of the vehicle.

[0016] The beneficial effects of the embodiments of the application include:

[0017] The fuel cell tractor provided by the application comprises a vehicle frame, a cab arranged above the vehicle frame and a hydrogen bottle, the hydrogen bottle is arranged behind the cab, the bottom of the vehicle frame is provided with a drive system, a fuel cell engine and a power battery module, the fuel cell engine, the power battery module and the drive system are electrically connected in sequence, the hydrogen bottle transmits hydrogen to the fuel cell engine, the fuel cell engine converts the hydrogen into electric energy and transmits the electric energy to the power battery module, the power battery module transmits the electric energy to the drive system, a fuel cell cooling system is arranged above the hydrogen bottle, the fuel cell cooling system dissipates heat of the fuel cell engine, the hydrogen bottle and the fuel cell cooling system are arranged above the vehicle frame, thereby saving installation space of the vehicle frame chassis and facilitating layout of the drive system, the fuel cell engine and the power battery module. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 Structure schematic diagram of a fuel cell tractor provided by the embodiments of the present application;

[0020] Figure 2 Structure schematic diagram of a fuel cell tractor provided by the embodiments of the present application;

[0021] Figure 3 Structure schematic diagram of a fuel cell tractor provided by the embodiments of the present application.

[0022] Icon: 100-fuel cell tractor; 110-frame; 111-integrated controller; 112-high voltage control box; 113-low voltage storage battery; 120-cab; 130-hydrogen bottle; 140-driving system; 150-fuel cell engine; 160-power battery module; 161-power battery cooling unit; 170-fuel cell cooling system; 180-air conditioning module; 190-electric drive system heat dissipation module; 191-heat dissipation module; 192-second heat dissipation fan. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", "third" and the like are only used to distinguish description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0027] Please refer to Figure 1 , Figure 2 and Figure 3 , the embodiment provides a fuel cell tractor 100, comprising a frame 110, a cab 120 and a hydrogen bottle 130 arranged above the frame 110, the hydrogen bottle 130 is arranged behind the cab 120, the bottom of the frame 110 is provided with a drive system 140, a fuel cell engine 150 and a power battery module 160, the fuel cell engine 150, the power battery module 160 and the drive system 140 are electrically connected in sequence, the hydrogen bottle 130 transmits hydrogen to the fuel cell engine 150, the fuel cell engine 150 converts hydrogen into electric energy and transmits to the power battery module 160, the power battery module 160 transmits electric energy to the drive system 140, the hydrogen bottle 130 is provided with a fuel cell cooling system 170 above, the fuel cell cooling system 170 cools the fuel cell engine 150.

[0028] Specifically, when assembling the fuel cell tractor 100 of the application, the cab 120 and the hydrogen bottle 130 are installed above the frame 110, the drive system 140, the fuel cell engine 150 and the power battery module 160 are installed at the bottom of the frame 110, and the fuel cell cooling system 170 is installed above the hydrogen bottle 130, the fuel cell engine 150 is cooled by the fuel cell cooling system 170, the hydrogen bottle 130 and the fuel cell cooling system 170 are arranged above the frame 110, the installation space of the chassis of the frame 110 is saved, so as to facilitate the layout of the drive system 140, the fuel cell engine 150 and the power battery module 160.

[0029] The fuel cell tractor 100 provided by the application comprises a vehicle frame 110, a cab 120 arranged above the vehicle frame 110, and a hydrogen tank 130 arranged behind the cab 120, the bottom of the vehicle frame 110 is provided with a driving system 140, a fuel cell engine 150, and a power battery module 160, the fuel cell engine 150, the power battery module 160, and the driving system 140 are electrically connected in sequence, the hydrogen tank 130 transmits hydrogen to the fuel cell engine 150, the fuel cell engine 150 converts the hydrogen into electric energy and transmits the electric energy to the power battery module 160, the power battery module 160 transmits the electric energy to the driving system 140, the hydrogen tank 130 is provided above with a fuel cell cooling system 170, the fuel cell cooling system 170 dissipates heat for the fuel cell engine 150, the hydrogen tank 130 and the fuel cell cooling system 170 are arranged above the vehicle frame 110, thereby saving the installation space of the chassis of the vehicle frame 110, and facilitating the layout of the driving system 140, the fuel cell engine 150, and the power battery module 160.

[0030] In an embodiment of the application, as shown in Figure 1 、 Figure 2 and Figure 3 , the fuel cell cooling system 170 comprises a fuel cell heat conduction pipe, a heat conduction core, and a first heat dissipation fan, the heat conduction pipe is used to conduct the heat of the fuel cell to the heat conduction core, and the first heat dissipation fan is used to suck air to the heat conduction core.

[0031] Specifically, when the fuel cell tractor 100 of the application is used, the hydrogen tank 130 transmits hydrogen to the fuel cell engine 150, the fuel cell engine 150 converts the hydrogen into electric energy and transmits the electric energy to the power battery module 160, the power battery module 160 transmits the electric energy to the driving system 140, the hydrogen tank 130 is provided above with the fuel cell cooling system 170, the fuel cell cooling system 170 dissipates heat for the fuel cell engine 150, the heat generated by the operation of the fuel cell is transmitted to the heat conduction core through the heat conduction pipe, the first heat dissipation fan is used to suck air to the heat conduction core, so as to accelerate the heat exchange rate of the heat conduction core, the heat conduction core is arranged above the hydrogen tank, and the natural wind during the driving of the fuel cell tractor 100 can also cool the heat conduction core, so as to accelerate the heat exchange efficiency of the heat conduction core.

[0032] The first heat dissipation fan can be a plurality of electronic fans or high-pressure fans, the plurality of electronic fans are controlled by the vehicle VCU to match the fuel cell engine 150 of different powers by controlling the rotation speed of the fans or changing the number of fans in operation.

[0033] In an embodiment of the application, as shown in Figure 1 、 Figure 2 and Figure 3As shown, the vehicle further comprises an electric drive system heat dissipation module 190, which includes an electric drive system heat conduction pipeline, a heat dissipation module 191, and a second heat dissipation fan 192. The electric drive system heat conduction pipeline is connected to the heat dissipation module 191 and the drive system 140, and the second heat dissipation fan 192 draws air to the heat dissipation module 191.

[0034] Specifically, when the fuel cell tractor 100 of the present application is in use, the hydrogen tank 130 supplies hydrogen gas to the fuel cell engine 150, which converts the hydrogen gas into electrical energy and transmits it to the power battery module 160, which in turn transmits the electrical energy to the drive system 140. The fuel cell cooling system 170 is arranged above the hydrogen tank 130 and dissipates heat from the fuel cell engine 150. The heat generated by the operation of the fuel cell is transmitted to the heat conduction core through the heat conduction pipeline, and the first heat dissipation fan draws air to the heat conduction core to accelerate the heat exchange rate of the heat conduction core. The heat conduction core is arranged above the hydrogen tank, and the natural wind during the driving of the fuel cell tractor 100 can also cool the heat conduction core, accelerating the heat exchange efficiency of the heat conduction core. The heat generated by the operation of the drive system 140 is transmitted to the heat dissipation module 191 through the electric drive system heat conduction pipeline, and the second heat dissipation fan 192 draws air to the heat dissipation module 191 to ensure the heat dissipation efficiency of the drive system 140.

[0035] In one possible embodiment of the present application, as shown in Figure 1 , Figure 2 and Figure 3 , the vehicle further comprises an air conditioning module 180 for adjusting the temperature of the driver's cabin. The air conditioning module 180 includes an air conditioning condenser and an air conditioning compressor. The provision of the air conditioning module 180 adjusts the temperature of the driver's cabin through the air conditioning condenser and the air conditioning compressor, creating a comfortable working environment for the driver. In hot summer or cold winter, the temperature and humidity inside the driver's cabin can be effectively adjusted.

[0036] Further, the vehicle further comprises a power battery cooling unit 161, which is in heat conduction communication with the air conditioning condenser. The power battery cooling unit 161 is in heat conduction communication with the air conditioning condenser, achieving effective utilization and sharing of heat. On the one hand, the cold energy generated by the air conditioning condenser when adjusting the temperature of the driver's cabin can be transmitted to the power battery cooling unit through the heat conduction communication, helping the power battery to maintain within the appropriate working temperature range, improving the charging and discharging efficiency and service life of the power battery, and ensuring the stability of the power supply of the vehicle. On the other hand, this heat conduction communication design simplifies the structure of the cooling system, reduces the need for additional cooling equipment, reduces the manufacturing and maintenance costs of the vehicle, and improves the overall cost performance and market competitiveness of the vehicle.

[0037] Specifically, when the fuel cell tractor 100 of the present application is in use, the hydrogen tank 130 transmits hydrogen to the fuel cell engine 150, the fuel cell engine 150 converts the hydrogen into electric energy and transmits the electric energy to the power battery module 160, the power battery module 160 transmits the electric energy to the drive system 140, the fuel cell cooling system 170 is arranged above the hydrogen tank 130, the fuel cell cooling system 170 dissipates heat from the fuel cell engine 150, the heat generated by the operation of the fuel cell is transmitted to the heat conduction core through the heat conduction pipe, the heat conduction core is blown by the first heat dissipation fan to accelerate the heat exchange rate of the heat conduction core, the heat conduction core is arranged above the hydrogen tank, the natural wind during the driving of the fuel cell tractor 100 can also cool the heat conduction core to accelerate the heat exchange efficiency of the heat conduction core, the heat generated by the operation of the drive system 140 is transmitted to the heat dissipation module 191 through the electric drive system heat conduction pipeline, the second heat dissipation fan 192 blows to the heat dissipation module 191 to ensure the heat dissipation efficiency of the drive system 140, the power battery module 160 is cooled by the power battery cooling unit 161, the power battery cooling unit 161 is in heat conduction communication with the air conditioner condenser, and the power battery cooling unit 161 is heat exchanged by the air conditioner condenser.

[0038] In an embodiment of the present application, as shown in Figure 1 、 Figure 2 and Figure 3 , the second heat dissipation fan 192, the heat dissipation module 191 and the air conditioner condenser are arranged in sequence along the driving direction of the vehicle.

[0039] Specifically, when the fuel cell tractor 100 of the present application is in use, the hydrogen tank 130 transmits hydrogen to the fuel cell engine 150, the fuel cell engine 150 converts the hydrogen into electric energy and transmits it to the power battery module 160, the power battery module 160 transmits the electric energy to the drive system 140, the fuel cell cooling system 170 is arranged above the hydrogen tank 130, the fuel cell cooling system 170 dissipates heat from the fuel cell engine 150, the heat generated by the operation of the fuel cell is transmitted to the heat conduction core through the heat conduction pipe, and the first heat dissipation fan is used to draw air to the heat conduction core to accelerate the heat exchange rate of the heat conduction core. The heat conduction core is arranged above the hydrogen tank, and the natural wind during the driving of the fuel cell tractor 100 can also cool the heat conduction core to accelerate the heat exchange efficiency of the heat conduction core. The heat generated by the operation of the drive system 140 is transmitted to the heat dissipation module 191 through the electric drive system heat pipe, and the second heat dissipation fan 192 is used to draw air to the heat dissipation module 191 to ensure the heat dissipation efficiency of the drive system 140. The power battery cooling unit 161 is used to cool the power battery module 160, the power battery cooling unit 161 is in heat conduction communication with the air conditioner condenser, and the power battery cooling unit 161 is heat exchanged by the air conditioner condenser. The second heat dissipation fan 192, the heat dissipation module 191 and the air conditioner condenser are arranged in sequence along the driving direction of the vehicle, the second heat dissipation fan 192 draws air to the heat dissipation module 191 and the air conditioner condenser to improve the heat dissipation efficiency of the heat dissipation module 191 and the air conditioner condenser, thereby improving the cooling efficiency of the power battery module 160 and the drive system 140.

[0040] Further, the drive system 140 is an integrated electric drive axle system, which is a highly integrated electric vehicle power drive unit. It integrates the drive motor, reducer and axle together, which can directly drive the wheels to realize the driving of the vehicle. This integrated design makes the whole power system structure more compact, reduces the number of parts and the occupied space, and effectively improves the power performance and space utilization of the vehicle.

[0041] In one possible embodiment of the present application, as Figure 1 , Figure 2 and Figure 3As shown, the fuel cell tractor 100 also includes an integrated controller 111, which is electrically connected with the fuel cell engine 150, the power battery module 160 and the drive system 140. The transmission of electricity between the fuel cell engine 150, the power battery module 160 and the drive system 140 is controlled by the integrated controller 111. The integrated controller 111 is electrically connected with the fuel cell engine 150, the power battery module 160 and the drive system 140, which realizes the centralized control and intelligent management of the key systems of the vehicle. Through precise algorithms and signal processing, the integrated controller 111 can monitor and coordinate the running state of each system in real time, optimize energy distribution and power output, and improve the overall performance and response speed of the vehicle.

[0042] Further, the fuel cell tractor 100 also includes a high-voltage control box 112, which is used to control and distribute high-voltage electricity. The presence of the high-voltage control box 112 provides reliable control and distribution functions for the high-voltage electrical system of the vehicle. It can accurately manage the flow and distribution of high-voltage electricity, protect high-voltage electrical equipment from excessive voltage, current surges, and prevent electrical faults such as short circuits, electrical leakage, etc., and improve the safety and stability of the vehicle's high-voltage electrical system.

[0043] Further, the fuel cell tractor 100 also includes a low-voltage storage battery 113, which provides power for the low-voltage electrical equipment of the vehicle. It ensures the normal operation of the basic functions of the vehicle in various situations. Even if the high-voltage system of the vehicle fails or stops, the low-voltage storage battery 113 can maintain the operation of the low-voltage electrical equipment such as lights, instruments, central locking, horn, etc. of the vehicle, ensuring that the emergency functions and basic operation functions of the vehicle are not affected, and improving the emergency handling capability and reliability of the vehicle.

[0044] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fuel cell tractor, characterized in that, The vehicle includes a frame, a cab mounted on the frame, and a hydrogen tank located behind the cab. A drive system, a fuel cell engine, and a power battery module are located at the bottom of the frame. The fuel cell engine, the power battery module, and the drive system are electrically connected in sequence. The hydrogen tank supplies hydrogen to the fuel cell engine, which converts the hydrogen into electrical energy and transmits it to the power battery module. The power battery module then supplies electrical energy to the drive system. A fuel cell cooling system is located above the hydrogen tank to dissipate heat from the fuel cell engine.

2. The fuel cell tractor according to claim 1, characterized in that, The fuel cell cooling system includes a fuel cell heat pipe, a heat-conducting core, and a first cooling fan. The heat from the fuel cell is transferred to the heat-conducting core through the fuel cell heat pipe, and the first cooling fan draws air into the heat-conducting core.

3. The fuel cell tractor according to claim 1, characterized in that, It also includes an air conditioning module, which regulates the cabin temperature. The air conditioning module includes an air conditioning condenser and an air conditioning compressor.

4. The fuel cell tractor according to claim 3, characterized in that, It also includes an electric drive system heat dissipation module, which includes an electric drive system heat conduction pipe, a heat dissipation module, and a second cooling fan. The electric drive system heat conduction pipe connects the heat dissipation module and the drive system, and the second cooling fan draws air into the heat dissipation module.

5. The fuel cell tractor according to claim 4, characterized in that, The second cooling fan, the cooling module, and the air conditioning condenser are arranged in sequence along the vehicle's driving direction.

6. The fuel cell tractor according to claim 3, characterized in that, It also includes a power battery cooling unit, which is thermally connected to the air conditioner condenser.

7. The fuel cell tractor according to claim 1, characterized in that, The drive system is an integrated electric drive bridge system.

8. The fuel cell tractor according to claim 1, characterized in that, It also includes an integrated controller, which is electrically connected to the fuel cell engine, the power battery module and the drive system.

9. The fuel cell tractor according to claim 1, characterized in that, It also includes a high-voltage control box, which is used to control and distribute high-voltage electricity.

10. The fuel cell tractor according to claim 1, characterized in that, It also includes a low-voltage battery that provides power to the vehicle's low-voltage electrical equipment.

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