Fuel cell light truck

Abstract

The utility model discloses a fuel cell light truck, and relates to the technical field of vehicles. The fuel cell light truck comprises a frame, a hydrogen supply mechanism, a driving system, a fuel cell engine and a power cell module, the hydrogen supply mechanism, the driving system, the fuel cell engine and the 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 supply mechanism transmits hydrogen to the fuel cell engine. The fuel cell engine converts hydrogen of the hydrogen supply mechanism into electric energy and transmits the electric energy to the power battery module, the power battery module transmits the electric energy to the driving system, and the hydrogen supply mechanism and the power battery module are located on the two sides of the vehicle frame respectively. The maintenance convenience of the power battery can be improved.

Description

TECHNICAL FIELD

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

[0002] Hydrogen fuel cell vehicles are a new type of clean energy vehicles, which have the characteristics of zero emission, high efficiency and low noise. In particular, the box-type hydrogen fuel light truck is highly compatible with urban logistics, fresh food distribution and cold chain transportation.

[0003] Most of the hydrogen fuel box-type light trucks on the market have power batteries placed inside the frame, which is not convenient for maintenance of the power batteries. CONTENT OF THE INVENTION

[0004] The purpose of the present application is to provide a fuel cell light truck which can improve the convenience of power battery maintenance.

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

[0006] The embodiment of the present application provides a fuel cell light truck, which comprises a frame, a hydrogen supply mechanism, a driving system, a fuel cell engine and a power battery module arranged at the bottom of the frame, the fuel cell engine, the power battery module and the driving system are electrically connected in sequence, the hydrogen supply mechanism transmits hydrogen to the fuel cell engine, the fuel cell engine converts the hydrogen from the hydrogen supply mechanism into electric energy and transmits it to the power battery module, the power battery module transmits electric energy to the driving system, and the hydrogen supply mechanism and the power battery module are respectively located on both sides of the frame.

[0007] Optionally, as an implementable way, a carriage and a hydraulic lifting system are arranged above the frame, the tail end of the carriage is hinged to the frame, the front end of the carriage is hinged to the hydraulic lifting system, and the carriage is lifted by the hydraulic lifting system.

[0008] Optionally, as an implementable way, the hydraulic lifting system comprises a motor, a hydraulic oil tank, a hydraulic pump and a hydraulic cylinder, the motor is in transmission connection with the hydraulic pump, the hydraulic oil tank is connected with the hydraulic pump, the hydraulic pump provides hydraulic oil to the hydraulic cylinder, and the hydraulic cylinder drives the carriage to lift.

[0009] Optionally, as an implementable way, the lifting angle of the carriage is 0°-20°.

[0010] Optionally, as an implementable way, the frame comprises left and right longitudinal beams arranged in parallel, the left and right longitudinal beams are connected by a plurality of cross beams, the hydrogen supply mechanism is arranged on the left longitudinal beam, and the power battery module is arranged on the right longitudinal beam.

[0011] Optionally, as an implementable method, the vehicle frame is also equipped with a braking system, which includes an electric air compressor assembly, a dryer tank, an air reservoir and a braking assembly connected in sequence. The electric air compressor assembly converts outside air into compressed air and then transmits it to the dryer tank for drying. The compressed air processed by the dryer tank is then transmitted to the air reservoir, and compressed gas is delivered to the braking assembly through the air reservoir.

[0012] Alternatively, as one possible implementation, the drive system and the fuel cell engine are located in the middle of the vehicle frame.

[0013] Alternatively, as an implementable approach, the drive system is an integrated electric drive bridge system.

[0014] Optionally, as an implementable approach, an integrated controller is also provided in the middle of the vehicle frame, the integrated controller being electrically connected to the fuel cell engine, the power battery module and the drive system.

[0015] Alternatively, as an implementable method, the rear of the vehicle frame is provided with a loading tailgate.

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

[0017] The fuel cell light truck of the present application comprises a vehicle frame, a hydrogen supply mechanism arranged at the bottom of the vehicle frame, a driving system, a fuel cell engine and a power battery module, the fuel cell engine, the power battery module and the driving system are electrically connected in sequence, the hydrogen supply mechanism supplies hydrogen to the fuel cell engine, the fuel cell engine converts the hydrogen from the hydrogen supply mechanism into electric energy and transmits the electric energy to the power battery module, the power battery module supplies electric energy to the driving system, and the hydrogen supply mechanism and the power battery module are respectively arranged on the two sides of the vehicle frame. By arranging the power battery module on one side of the vehicle frame, the narrow maintenance space under the traditional layout is completely changed. Maintenance personnel no longer need to go through a lot of trouble to remove a large number of components on the inside of the vehicle frame, but only need to open the corresponding protective cover plate on the outside of the vehicle frame, and then unfasten the connecting buckle of the power battery module, so that the power battery can be quickly and conveniently repaired, maintained or replaced. This greatly shortens the maintenance time. In the past, it may take several hours to repair the power battery, reduces unnecessary disassembly and disturbance to other components on the inside of the vehicle frame caused by frequent maintenance of the power battery, reduces the risk of loose connection and damage of components, and makes the connection between the systems of the whole vehicle more stable and reliable. The hydrogen supply mechanism and the power battery module are arranged on the two sides of the vehicle frame, which avoids the mutual influence and aggravation of the risk of hydrogen leakage and battery fire caused by collision and electrical failure in the same narrow space. Once an abnormality occurs in a component on one side, the relatively independent key system on the other side can still maintain a safe state, greatly improving the overall safety of the vehicle and reducing potential safety hazards. 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 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.

[0019] Figure 1 One of the structural schematic diagrams of the fuel cell light truck provided by the embodiments of the present application;

[0020] Figure 2 The second structural schematic diagram of the fuel cell light truck provided by the embodiments of the present application.

[0021] Legend: 100 - fuel cell light truck; 110 - vehicle frame; 111 - left longitudinal beam; 112 - right longitudinal beam; 113 - cross beam; 114 - unloading tail plate; 120 - hydrogen supply mechanism; 130 - driving system; 140 - fuel cell engine; 150 - power battery module; 160 - vehicle cabin; 170 - hydraulic lifting system; 180 - braking system; 190 - integrated controller. DETAILED DESCRIPTION

[0022] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the accompanying drawings for the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying 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 of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0024] It should be noted that similar reference numerals and letters in the following drawings represent similar items, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in 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.

[0025] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "setting", "mounting", "connecting", "connecting" 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 of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0026] Please refer to Figure 1 and Figure 2 The present embodiment provides a fuel cell light truck 100, comprising a frame 110, a hydrogen supply mechanism 120, a driving system 130, a fuel cell engine 140 and a power battery module 150 arranged at the bottom of the frame 110, the fuel cell engine 140, the power battery module 150 and the driving system 130 are electrically connected in sequence, the hydrogen supply mechanism 120 transmits hydrogen to the fuel cell engine 140, the fuel cell engine 140 converts the hydrogen of the hydrogen supply mechanism 120 into electric energy and transmits it to the power battery module 150, the power battery module 150 transmits electric energy to the driving system 130, and the hydrogen supply mechanism 120 and the power battery module 150 are respectively located on both sides of the frame 110.

[0027] Specifically, the fuel cell light truck 100 comprises a vehicle frame 110, a hydrogen supply mechanism 120, a driving system 130, a fuel cell engine 140 and a power battery module 150 arranged at the bottom of the vehicle frame 110. The fuel cell engine 140, the power battery module 150 and the driving system 130 are electrically connected in sequence to form a stable power transmission link. The hydrogen supply mechanism 120 transmits hydrogen to the fuel cell engine 140 as raw material for power generation. The fuel cell engine 140 uses its advanced electrochemical reaction principle to efficiently convert the hydrogen delivered by the hydrogen supply mechanism 120 into electrical energy, which is immediately transmitted to the power battery module 150 for storage and distribution. The power battery module 150 transmits electrical energy to the driving system 130 in time according to the vehicle operating conditions to provide power for vehicle driving. The key innovation lies in that the hydrogen supply mechanism 120 and the power battery module 150 are respectively located on both sides of the vehicle frame 110. This unique layout design allows the power battery module 150 to have independent and open space on one side of the vehicle frame 110, without being surrounded by the complex structure inside the vehicle frame 110 as in the traditional design.

[0028] The fuel cell light truck 100 of the present application comprises a vehicle frame 110, a hydrogen supply mechanism 120, a driving system 130, a fuel cell engine 140 and a power battery module 150 arranged at the bottom of the vehicle frame 110. The fuel cell engine 140, the power battery module 150 and the driving system 130 are electrically connected in sequence. The hydrogen supply mechanism 120 transmits hydrogen to the fuel cell engine 140. The fuel cell engine 140 converts the hydrogen from the hydrogen supply mechanism 120 into electrical energy and transmits it to the power battery module 150. The power battery module 150 transmits electrical energy to the driving system 130. The hydrogen supply mechanism 120 and the power battery module 150 are respectively located on both sides of the vehicle frame 110. By placing the power battery module 150 on one side of the vehicle frame 110, the narrow maintenance space under the traditional layout is completely changed. Maintenance personnel no longer need to go through a lot of trouble to remove a large number of components inside the vehicle frame 110. They only need to open the corresponding protective cover plate outside the vehicle frame 110, unfasten the connection buckle of the power battery module 150, and then quickly and conveniently maintain, repair or replace parts of the power battery. This greatly shortens the maintenance time. In the past, it may take several hours to repair the power battery. This reduces unnecessary disassembly and disturbance to other components inside the vehicle frame 110 caused by frequent maintenance of the power battery, reduces the risk of loose and damaged component connections, and makes the connection between the systems of the whole vehicle more stable and reliable. The hydrogen supply mechanism 120 and the power battery module 150 are respectively located on both sides of the vehicle frame 110, avoiding the mutual influence and aggravation of risks such as hydrogen leakage and battery fire caused by collision and electrical failure in the same narrow space. Once an abnormality occurs in one side component, the relatively independent key system on the other side can still maintain a safe state, greatly improving the overall safety of the vehicle and reducing potential safety hazards.

[0029] In an embodiment of the present application, as shown in Figure 1 and Figure 2 , the vehicle frame 110 is provided with a vehicle compartment 160 and a hydraulic lifting system 170, the tail end of the vehicle compartment 160 is hinged to the vehicle frame 110, and the front end of the vehicle compartment 160 is hinged to the hydraulic lifting system 170, which drives the vehicle compartment 160 to lift.

[0030] The vehicle frame 110 is provided with a vehicle compartment 160 and a hydraulic lifting system 170, the tail end of the vehicle compartment 160 is hinged to the vehicle frame 110, forming a stable rotary connection, ensuring the stability of the rear end fulcrum of the vehicle compartment 160 during lifting. The front end of the vehicle compartment 160 is hinged to the hydraulic lifting system 170, which drives the vehicle compartment 160 to lift. The hydraulic lifting system 170 as the core power unit precisely controls the lifting action of the vehicle compartment 160, ensuring smooth and safe loading and unloading of goods. The vehicle compartment 160 is conveniently lifted, facilitating quick loading and unloading of goods.

[0031] In an embodiment of the present application, as shown in Figure 1 and Figure 2 , the hydraulic lifting system 170 includes a motor, a hydraulic oil tank, a hydraulic pump and a hydraulic cylinder, the motor is in transmission connection with the hydraulic pump, the hydraulic oil tank is connected with the hydraulic pump, the hydraulic pump provides hydraulic oil to the hydraulic cylinder, and the hydraulic cylinder drives the vehicle compartment 160 to lift.

[0032] Specifically, the motor is in transmission connection with the hydraulic pump, providing rotary power for the hydraulic pump. The hydraulic oil tank is connected with the hydraulic pump, responsible for storing and supplying hydraulic oil to the hydraulic pump. The hydraulic pump provides hydraulic oil to the hydraulic cylinder, which drives the piston rod of the hydraulic cylinder to extend and retract, thereby driving the vehicle compartment 160 to lift.

[0033] In an embodiment of the present application, as shown in Figure 1 and Figure 2 , the lifting angle of the vehicle compartment 160 is 0°-20°.

[0034] Specifically, this reasonable angle range can meet the needs of most goods to conveniently slide off from the rear end of the vehicle compartment 160, and also ensure the stability of the vehicle compartment 160 during lifting, preventing safety accidents caused by excessive inclination.

[0035] In an embodiment of the present application, as shown in Figure 1 and Figure 2 , the vehicle frame 110 includes left and right longitudinal beams 111 and 112 arranged in parallel, the left and right longitudinal beams 111 and 112 are connected by a plurality of cross beams 113, the hydrogen supply mechanism 120 is arranged on the left longitudinal beam 111, and the power battery module 150 is arranged on the right longitudinal beam 112.

[0036] Specifically, the left longitudinal beam 111 and the right longitudinal beam 112 are connected through a plurality of cross beams 113 to form a stable frame structure with good load-bearing capacity. The hydrogen supply mechanism 120 is arranged on the left longitudinal beam 111, and the power battery module 150 is arranged on the right longitudinal beam 112, so as to realize separate layout of the two and avoid mutual interference, and facilitate independent maintenance and maintenance.

[0037] In an embodiment of the present application, as shown in Figure 1 and Figure 2 , the vehicle frame 110 is also provided with a braking system 180, which includes an electric air compressor assembly, a drying tank, an air cylinder and a brake assembly connected in sequence. The air outside the vehicle is converted into compressed air by the electric air compressor assembly and then transmitted to the drying tank for drying. The compressed air treated by the drying tank is transmitted to the air cylinder, and the compressed air is delivered to the brake assembly through the air cylinder.

[0038] Specifically, the air outside the vehicle is converted into compressed air by the electric air compressor assembly and then transmitted to the drying tank for drying. The compressed air treated by the drying tank is transmitted to the air cylinder, and the compressed air is delivered to the brake assembly through the air cylinder. The compressed air is used as the braking power source to ensure rapid and stable braking response. The electric air compressor assembly is selected from low-noise and high-reliability products and is installed on the side of the vehicle frame 110 away from the vehicle cabin 160 to reduce the impact of noise on goods. The drying tank is filled with high-efficiency drying agent and is replaced regularly to ensure the dehumidification effect. The air cylinder is made of stainless steel and has sufficient volume to store compressed air. It is installed below the middle part of the vehicle frame 110 and is close to the brake assembly to reduce the transmission loss of compressed air. The brake assembly includes a disc brake and a brake pipeline. The disc brake has good heat dissipation performance, and the brake pipeline is made of double-layer stainless steel corrugated pipe to prevent leakage.

[0039] In an embodiment of the present application, as shown in Figure 1 and Figure 2 , the drive system 130 and the fuel cell engine 140 are located in the middle part of the vehicle frame 110.

[0040] Specifically, this layout makes the vehicle center of gravity more reasonable, and the vehicle can maintain good handling performance under acceleration, deceleration, turning and other working conditions, reducing the risk of rolling and fishtailing.

[0041] In an embodiment of the present application, as shown in Figure 1 and Figure 2 , the drive system 130 is an integrated electric drive axle system. The electric motor, transmission and drive axle are integrated to reduce intermediate connecting parts and transmission links.

[0042] In an embodiment of the present application, as shown in Figure 1 and Figure 2As shown, the middle part of the vehicle frame 110 is also provided with an integrated controller 190, which is electrically connected with the fuel cell engine 140, the power battery module 150 and the driving system 130. The integrated controller 190 is electrically connected with the fuel cell engine 140, the power battery module 150 and the driving system 130, collects the operation data of each component in real time, and accurately controls the parameters such as power distribution and power output according to the driving demand of the vehicle.

[0043] In an embodiment of the present application, as shown in Figure 1 and Figure 2 As shown, the tail part of the vehicle frame 110 is provided with a unloading tail plate 114.

[0044] Specifically, the unloading tail plate 114 is driven by hydraulic or electric drive, and the bearing panel is made of anti-skid and wear-resistant material. The tail plate is connected with the vehicle frame 110 through a hinge and is provided with a safety locking device, which ensures driving safety when the tail plate is retracted. When the tail plate is lowered to load or unload goods, the height and angle can be adjusted according to the demand to adapt to different loading and unloading scenes.

[0045] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fuel cell light truck characterized by, The vehicle frame is provided with a hydrogen supply mechanism, a driving system, a fuel cell engine and a power battery module, the fuel cell engine, the power battery module and the driving system are electrically connected in sequence, the hydrogen supply mechanism supplies hydrogen to the fuel cell engine, the fuel cell engine converts the hydrogen into electric energy and supplies the electric energy to the power battery module, the power battery module supplies electric energy to the driving system, and the hydrogen supply mechanism and the power battery module are respectively arranged on the two sides of the vehicle frame.

2. The fuel cell light truck of claim 1, wherein, A carriage and a hydraulic lifting system are arranged above the vehicle frame, the tail end of the carriage is hinged to the vehicle frame, the front end of the carriage is hinged to the hydraulic lifting system, and the carriage is lifted by the hydraulic lifting system.

3. The fuel cell light truck of claim 2, wherein, The hydraulic lifting system comprises a motor, a hydraulic oil tank, a hydraulic pump and a hydraulic cylinder, the motor is in driving connection with the hydraulic pump, the hydraulic oil tank is connected to the hydraulic pump, the hydraulic pump supplies hydraulic oil to the hydraulic cylinder, and the hydraulic cylinder drives the carriage to lift.

4. The fuel cell light truck of claim 2 wherein, The lifting angle of the carriage is 0°-20°.

5. The fuel cell light truck of claim 1 wherein, The vehicle frame comprises left and right longitudinal beams arranged in parallel, the left and right longitudinal beams are connected by a plurality of cross beams, the hydrogen supply mechanism is arranged on the left longitudinal beam, and the power battery module is arranged on the right longitudinal beam.

6. The fuel cell light truck of claim 1, wherein, A braking system is further arranged on the vehicle frame, the braking system comprises an electric air compressor assembly, a drying tank, an air cylinder and a braking assembly which are connected in sequence, the air compressor assembly converts external air into compressed air which is then supplied to the drying tank for drying, the compressed air treated by the drying tank is supplied to the air cylinder, and the air cylinder supplies compressed air to the braking assembly.

7. The fuel cell light truck of claim 1 wherein, The driving system and the fuel cell engine are arranged in the middle part of the vehicle frame.

8. The fuel cell light truck of claim 1, wherein, The driving system is an integrated electric drive axle system.

9. The fuel cell light truck of claim 1 wherein, An integrated controller is further arranged in the middle part of the vehicle frame, and the integrated controller is electrically connected to the fuel cell engine, the power battery module and the driving system.

10. The fuel cell light truck of claim 1, wherein, A discharge tail plate is arranged at the tail end of the vehicle frame.

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