Commercial vehicle fuel cell system

Abstract

The utility model discloses a commercial vehicle fuel cell system which comprises a vehicle body, a main speed reducer, a gearbox body and a driving motor are installed on a power shaft of the vehicle body, and the gearbox body and the driving motor are connected with a main motor controller and a gearbox controller respectively. A fuel cell system body, a power distribution controller, a battery management system, a whole vehicle controller, an accessory motor controller and a power battery are installed in the vehicle body. A fuel cell system body, a power distribution controller, a battery management system, a whole vehicle controller, an accessory motor controller and a power battery are installed in a vehicle body, the controllers and the system are connected through a circuit, and the fuel cell system body is connected with a hydrogen system. The fuel cell system body is composed of a fuel cell stack and a set of radiator, the fuel cell is added to serve as a power source, a traditional power cell is matched, and the range extending of the vehicle is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel cells, and more specifically to a commercial vehicle fuel cell system. Background Art

[0002] Urban logistics is a regional logistics activity based on cities. The development of urban logistics can improve and enhance the quality of the entire urban economic operation, enhance the comprehensive competitiveness of the city, promote the development of the regional economy, and improve people's living standards. Urban logistics is the basic guarantee for the stable operation of the urban economy and an important part of the urban economy. The area and scale of internal urban logistics are expanding day by day, becoming the main content of urban logistics.

[0003] In recent years, with the acceleration of economic development and urbanization, urban logistics has put forward better requirements for the energy-saving and emission reduction performance of transport vehicles. First, it is developing from high-pollution, high-emission vehicles to low-pollution, low-emission clean transport vehicles, bringing about an increase in the demand for environmentally friendly transport vehicles; second, it is developing from high fuel consumption and low efficiency to low fuel consumption and high efficiency transport vehicles.

[0004] Most of the existing commercial logistics vehicles are powered by pure electricity or pure oil. The pure oil power has high emission pollution, and the pure electric power has a short range, which is not suitable for long-distance transportation. Therefore, a new technical solution is needed to solve the problem. Utility Model Content

[0005] The utility model aims to provide a fuel cell system for commercial vehicles, which solves the problem that most existing commercial logistics vehicles are powered by pure electricity or pure oil, the pure oil power has high emission pollution, and the pure electric power has a short range and is not suitable for long-distance transportation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a commercial vehicle fuel cell system, comprising: a vehicle body, a main reducer, a gearbox body and a drive motor are installed at the power shaft of the vehicle body, the gearbox body and the drive motor are respectively connected to the main motor controller and the gearbox controller, the vehicle body is installed with a fuel cell system body, a power distribution controller, a battery management system, a vehicle controller and an accessory motor controller and a power battery, the main motor controller, the gearbox controller, the fuel cell system body, the power distribution controller, the battery management system, the vehicle controller and the accessory motor controller and the power battery are connected through a circuit, a high-voltage power module is arranged between the fuel cell system body and the power distribution controller, and a low-voltage power module is arranged between the power battery and the power distribution controller, the fuel cell system body is composed of a fuel cell stack and a radiator, and a hydrogen system is connected to the side of the fuel cell system body, and the hydrogen system includes a filling module, a storage module, a supply module, an early warning module and a safety protection module.

[0007] As a preferred embodiment of the present utility model, an on-board charger and a heater are installed in the vehicle body, and the on-board charger and the heater are connected to a power distribution controller.

[0008] As a preferred embodiment of the present utility model, an air-conditioning controller is installed in the vehicle body and an EACP is arranged on the side of the air-conditioning controller, and the air-conditioning controller is connected to the power distribution controller.

[0009] As a preferred implementation of the utility model, the accessory motor controller includes a braking system, a steering system and a motor water pump.

[0010] As a preferred implementation mode of the present utility model, the vehicle controller is connected with a brake pedal, an accelerator pedal and a gear switch.

[0011] As a preferred embodiment of the utility model, an instrument controller, a remote monitoring system, an information display center and a diagnostic interface are also provided in the internal circuit of the vehicle body.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model installs a main reducer, a gearbox body and a drive motor at the power shaft of a vehicle body, the gearbox body and the drive motor are respectively connected to a gearbox controller and a main motor controller, a fuel cell system body, a power distribution controller, a battery management system, a vehicle controller, an accessory motor controller and a power battery are installed in the vehicle body, the controller and the system are connected through a circuit, wherein the fuel cell system body is connected to a hydrogen system, the fuel cell system body is composed of a fuel cell stack and a set of radiators, by adding a fuel cell as a power source, in conjunction with a traditional power battery, the vehicle's range is extended, thereby improving the vehicle's mileage, the fuel cell uses hydrogen energy as a power source, which reduces pollution, a high-voltage power module is arranged between the power classification controller and the fuel cell body, and a low-voltage power module is arranged between the power battery, high-performance lithium batteries and fuel cells are used to work together, laying a physical foundation for the safe and stable operation of the fuel cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall system of the utility model.

[0015] In the figure: 1. Vehicle body; 2. Main reducer; 3. Transmission body; 4. Drive motor; 5. Transmission controller; 6. Main motor controller; 7. Vehicle controller; 8. Gear switch; 9. Accelerator pedal; 10. Brake pedal; 11. Accessory motor controller; 12. Braking system; 13. Motor water pump; 14. Steering system; 15. Instrument controller; 16. Remote monitoring system; 17. Information display center; 18. Diagnostic interface; 19. Power distribution controller; 20. On-board charger; 21. Heater; 22. Air conditioning controller; 23. EACP; 24. Battery management system; 25. Low-voltage power module; 26. Power battery; 27. Fuel cell system body; 28. Hydrogen system; 29. ​​High-voltage power module. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1The utility model provides a technical solution: a commercial vehicle fuel cell system, comprising: a vehicle body 1, a main reducer 2, a gearbox body 3 and a drive motor 4 are installed at the power shaft of the vehicle body 1, the gearbox body 3 and the drive motor 4 are respectively connected to a main motor controller 6 and a gearbox controller 5, a fuel cell system body 27, a power distribution controller 19, a battery management system 24, a vehicle controller 7, an accessory motor controller 11 and a power battery 26 are installed in the vehicle body 1, the main motor controller 6, the gearbox controller 5, the fuel cell system body 27, the power distribution controller 19, the battery management system 24, the vehicle controller 7, the accessory motor controller 11 and the power battery 26 are connected through a circuit, a high-voltage power module 29 is arranged between the fuel cell system body 27 and the power distribution controller 19, and a low-voltage power module 25 is arranged between the power battery 26 and the power distribution controller 19, the fuel cell system body 27 consists of a fuel cell stack and a radiator, and a hydrogen system 28 is connected to the side of the fuel cell system body 27, and the hydrogen system 28 includes a filling Module, storage module, supply module, early warning module and safety protection module. The main reducer, gearbox body 3 and drive motor 4 are installed at the power shaft of the vehicle body 1. The gearbox body 3 and the drive motor 4 are respectively connected to the gearbox controller 5 and the main motor controller 6. The fuel cell system body 27, the power distribution controller 19, the battery management system 24, the vehicle controller 7, the accessory motor controller 11 and the power battery 26 are installed in the vehicle body 1. The controller and the system are connected through a circuit, wherein the fuel cell system body 27 is connected to the hydrogen system 28. The fuel cell system body 27 consists of a fuel cell stack and a set of radiators. By adding a fuel cell as a power source and cooperating with a traditional power battery 26, the vehicle's range is extended, thereby improving the vehicle's mileage. The fuel cell uses hydrogen energy as a power source, which reduces pollution. A high-voltage power module 29 is arranged between the power classification controller and the fuel cell body, and a low-voltage power module 25 is arranged between the power classification controller and the power battery 26. High-performance lithium batteries and fuel cells are used to work together, laying a physical foundation for the safe and stable operation of the fuel cell.

[0018] Further improvements, such as Figure 1 As shown: the vehicle body 1 is installed with an on-board charger 20 and a heater 21 , and the on-board charger 20 and the heater 21 are connected to a power distribution controller 19 .

[0019] Further improvements, such as Figure 1 As shown: an air conditioning controller 22 is installed in the vehicle body 1 and an EACP 23 is provided on the side of the air conditioning controller 22 , and the air conditioning controller 22 is connected to the power distribution controller 19 .

[0020] Further improvements, such as Figure 1As shown: the accessory motor controller 11 includes a braking system 12 , a steering system 14 and a motor water pump 13 .

[0021] Further improvements, such as Figure 1 As shown: the vehicle controller 7 is connected to a brake pedal 10, an accelerator pedal 9 and a gear switch 8. The vehicle controller 7 is used to control the acceleration and braking of the wheels and provide gear adjustment.

[0022] Further improvements, such as Figure 1 As shown: the internal circuit of the vehicle body 1 is also provided with an instrument controller 15, a remote monitoring system 16, an information display center 17 and a diagnostic interface 18. In addition to traditional vehicle instruments, such as a speedometer, a tachometer and various conventional warning and indicator lights, the instrument cluster should also be equipped with instruments and indicator signal devices dedicated to the extended-range fuel cell logistics vehicle on the dashboard as needed, and an information display center 17 should be installed on the instrument cluster.

[0023] Working principle: The main reducer, the gearbox body 3 and the drive motor 4 are installed at the power shaft of the vehicle body 1. The gearbox body 3 and the drive motor 4 are respectively connected to the gearbox controller 5 and the main motor controller 6. The fuel cell system body 27, the power distribution controller 19, the battery management system 24, the vehicle controller 7, the accessory motor controller 11 and the power battery 26 are installed in the vehicle body 1. The controller and the system are connected through circuits, wherein the fuel cell system body 27 is connected to the hydrogen system 28. The fuel cell system body 27 consists of a fuel cell stack and a set of radiators. By adding a fuel cell as a power source and cooperating with a traditional power battery 26, the vehicle's range is extended, thereby improving the vehicle's mileage. The fuel cell uses hydrogen energy as a power source, which reduces pollution. A high-voltage power module 29 is arranged between the power classification controller and the fuel cell body, and a low-voltage power module 25 is arranged between the power classification controller and the power battery 26. High-performance lithium batteries and fuel cells are used to work together, laying a physical foundation for the safe and stable operation of the fuel cell.

[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A commercial vehicle fuel cell system, characterized in that: include: A vehicle body (1), wherein a main reducer (2), a gearbox body (3) and a drive motor (4) are installed at a power shaft of the vehicle body (1), wherein the gearbox body (3) and the drive motor (4) are respectively connected to a main motor controller (6) and a gearbox controller (5), wherein a fuel cell system body (27), a power distribution controller (19), a battery management system (24), a vehicle controller (7), an accessory motor controller (11) and a power battery (26) are installed in the vehicle body (1), wherein the main motor controller (6), the gearbox controller (5), the fuel cell system body (27), the power distribution controller (19), the battery management system (24) The system (24), the vehicle controller (7), the accessory motor controller (11) and the power battery (26) are connected through a circuit, a high-voltage power module (29) is arranged between the fuel cell system body (27) and the power distribution controller (19), and a low-voltage power module (25) is arranged between the power battery (26) and the power distribution controller (19), the fuel cell system body (27) is composed of a fuel cell stack and a radiator, and a hydrogen system (28) is connected to the side of the fuel cell system body (27), and the hydrogen system (28) includes a filling module, a storage module, a supply module, an early warning module and a safety protection module.

2. A commercial vehicle fuel cell system according to claim 1, characterized in that: The vehicle body (1) is equipped with an on-board charger (20) and a heater (21), and the on-board charger (20) and the heater (21) are connected to a power distribution controller (19).

3. A commercial vehicle fuel cell system according to claim 2, characterized in that: An air conditioning controller (22) is installed in the vehicle body (1), and an EACP (23) is arranged on the side of the air conditioning controller (22), and the air conditioning controller (22) is connected to a power distribution controller (19).

4. A commercial vehicle fuel cell system according to claim 1, characterized in that: The accessory motor controller (11) comprises a braking system (12), a steering system (14) and a motor water pump (13).

5. A commercial vehicle fuel cell system according to claim 1, characterized in that: The vehicle controller (7) is connected to a brake pedal (10), an accelerator pedal (9) and a gear switch (8).

6. A commercial vehicle fuel cell system according to claim 1, characterized in that: The internal circuit of the vehicle body (1) is also provided with an instrument controller (15), a remote monitoring system (16), an information display center (17) and a diagnostic interface (18).

Images