A multi-energy complementary zero-emission integrated hybrid power supply vehicle power supply system
Patent Information
- Application Number
- CN202521933790.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-09
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-09-09
AI Technical Summary
[0003]目前市场上的电源车，应急发电系统与行车系统为独立存在，且未实现零排放和自循环能力
[0009]与现有技术相比，本实用新型的优点在于：一种多能互补零排放一体式混动电源车供电系统，电源车取消发动机、汽车发电机、应急供电发电机等，增加蓄电池组、氢燃料电池组、电解氢装置和行车电机等。蓄电池组在输入充足和刹车制动时进行充电蓄能，在输入不充足时进行放电对负载或者行车电机进行供电。氢燃料电池组在没有市电、太阳能发电和风力发电不足、蓄电池组中的电能降低至一定比例时工作，代替电源车中的汽车发电机和应急供电发电机，可实现零排放同时降低噪音。在输入充足的情况下，电解氢装置可进行电解氢供氢燃料电池使用或者储存。行车电机驱动车辆行驶，代替传统电源车中的发动机，采用混合动力。各种运行模式由主控模块进行监测和控制。
Smart Images
Figure CN224804647U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a multi-energy complementary zero-emission integrated hybrid power supply system for vehicles, belonging to the field of new energy power supply technology. Background Technology
[0002] The power supply vehicle is suitable for all-weather outdoor operations and can be used for emergency power supply work in camping, communications, coal mines, oil fields, and other related fields. It plays a particularly important role in power outage repair and power supply during emergencies. It features stable and reliable overall performance, simple operation, good emissions, and easy maintenance, and can well meet the needs of outdoor operations and emergency power supply.
[0003] Currently, in the market, emergency power generation vehicles have separate emergency power generation and driving systems, and neither achieves zero emissions or self-circulation capabilities. Emergency power generation systems utilize separate generators, generators complementing solar power, generators complementing wind turbines, or generators complementing wind and solar power, and are towed or carried in vans. The driving system uses an independent vehicle-mounted system that does not interact with the emergency power generation system; the emergency power generation system is not operational during driving, and the driving system is not operational during emergency power generation.
[0004] Therefore, it is necessary to organically integrate the emergency power generation system with the vehicle system and use clean energy to replace the generator to achieve zero emissions and noise reduction. When wind and solar energy are sufficient, self-circulation can be achieved. Summary of the Invention
[0005] The technical problem to be solved by this utility model is to provide a multi-energy complementary zero-emission integrated hybrid power supply system for vehicles, which is an improvement over the above-mentioned prior art. The emergency power generation system is organically integrated with the driving system; the hydrogen fuel cell stack replaces the generator, which can achieve zero emissions and reduce noise; the hydrogen electrolysis device serves as a backup energy storage device to increase energy storage capacity; and multi-energy complementarity can be used for power supply during driving and parking.
[0006] The technical solution adopted by this utility model to solve the above problems is: a multi-energy complementary zero-emission integrated hybrid power supply system for vehicles, comprising: The AC power interface connects to external AC power. The input terminal of the rectifier module is connected to the mains power interface, and the output terminal of the rectifier module is connected to the DC bus. The wind power generation system is connected to the DC bus via a wind power control module; The photovoltaic power generation system is connected to the DC bus via a photovoltaic control module; The hydrogen fuel cell stack is connected to the DC bus via a fuel cell control module; The battery pack is connected to the DC bus via a charge / discharge control module; The crane motor is connected to the DC bus via the crane motor control module; The inverter module input is connected to the DC bus, and the inverter module output is connected to the AC load / grid connection interface. The input terminal of the multi-standard step-down module is connected to the DC bus, and the output terminal of the multi-standard step-down module is connected to the DC load interface. The input end of the hydrogen electrolysis unit is connected to the DC bus, and the output end of the hydrogen electrolysis unit is connected to the hydrogen fuel cell stack through a hydrogen pipeline. The main control module communicates with the rectifier module, wind power control module, photovoltaic control module, fuel cell control module, charge and discharge control module, vehicle motor control module, inverter module and multi-mode step-down module via CAN bus.
[0007] The hydrogen pipeline is equipped with a one-way valve.
[0008] The battery pack is a lithium iron phosphate battery or a ternary lithium battery.
[0009] Compared with existing technologies, the advantages of this utility model are as follows: A multi-energy complementary zero-emission integrated hybrid power vehicle power supply system eliminates the need for an engine, car generator, and emergency power generator, replacing them with a battery pack, hydrogen fuel cell stack, hydrogen electrolysis device, and vehicle motor. The battery pack charges and stores energy when the input is sufficient and during braking; when the input is insufficient, it discharges to power the load or vehicle motor. The hydrogen fuel cell stack operates when there is no mains power, insufficient solar and wind power generation, or when the energy in the battery pack drops to a certain percentage, replacing the car generator and emergency power generator in the power vehicle, achieving zero emissions and reducing noise. When the input is sufficient, the hydrogen electrolysis device can electrolyze hydrogen for use in the hydrogen fuel cell or for storage. The vehicle motor drives the vehicle, replacing the engine in traditional power vehicles, employing hybrid power. Various operating modes are monitored and controlled by the main control module. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of a multi-energy complementary zero-emission integrated hybrid power supply vehicle power supply system according to an embodiment of the present invention; Figure 2 This is a control logic diagram of a power supply control method for a multi-energy complementary zero-emission integrated hybrid power vehicle according to an embodiment of the present invention; In the diagram, 1 is the mains power interface, 2 is the rectifier module, 3 is the wind power generation system, 4 is the wind power control module, 5 is the photovoltaic power generation system, 6 is the photovoltaic control module, 7 is the hydrogen fuel cell stack, 8 is the fuel cell control module, 9 is the DC bus, 10 is the charge and discharge control module, 11 is the battery pack, 12 is the main control module, 13 is the CAN bus, 14 is the vehicle motor control module, 15 is the vehicle motor, 16 is the inverter module, 17 is the multi-mode step-down module, 18 is the hydrogen electrolysis device, 19 is the hydrogen pipeline, 20 is the AC load / grid connection interface, and 21 is the DC load interface. Detailed Implementation
[0011] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0012] like Figure 1As shown, this embodiment of a multi-energy complementary zero-emission integrated hybrid power supply system includes a mains interface 1, a rectifier module 2, a wind power generation system 3, a wind power control module 4, a photovoltaic power generation system 5, a photovoltaic control module 6, a hydrogen fuel cell stack 7, a fuel cell control module 8, a DC bus 9, a charge / discharge control module 10, a battery pack 11, a main control module 12, a CAN bus 13, a vehicle motor control module 14, a vehicle motor 15, an inverter module 16, an AC load / grid connection interface 20, a multi-mode step-down module 17, a DC load interface 21, a hydrogen electrolysis device 18, and a hydrogen pipeline 19. The main control module communicates with the rectifier module 2, the wind power control module 4, the photovoltaic control module 6, the fuel cell control module 8, the charge / discharge control module 10, the vehicle motor control module 14, the inverter module 16, and the multi-mode step-down module 17 via the CAN bus 13. The main control module 12 aggregates all control and monitoring information and can issue all control information. The mains interface connects to external mains power for mains power access. The rectifier module's input is connected to the mains interface, and its output is connected to the DC bus. The rectifier module rectifies the mains power into DC voltage, matching the DC bus voltage, using IGBT rectification. Each module has a separate chip for controlling current output and supports the CAN bus communication protocol. The wind power system is connected to the DC bus via a wind power control module. The photovoltaic power system generates electricity through solar panels; the photovoltaic control module converts the solar power into DC voltage, matching the DC bus voltage, using IGBT rectification. Each module has a separate chip for controlling current output and supports the CAN bus communication protocol. The hydrogen fuel cell stack is connected to the DC bus via a fuel cell control module. The hydrogen fuel cell stack consumes hydrogen to provide electricity and can be refilled with hydrogen. The fuel cell control module controls and monitors the fuel cell's hydrogen pressure, chemical reactions, output voltage, and current. The DC bus distributes and transmits electrical energy. The battery pack is connected to the DC bus via a charge / discharge control module. The battery pack uses lithium iron phosphate or ternary lithium batteries, and the charge / discharge of the battery pack is controlled and monitored by the charge / discharge control module. The scooter motor is connected to the DC bus via a scooter motor control module. The scooter motor drives the vehicle and recovers energy during braking. The scooter motor control module controls and monitors the scooter motor. The inverter module's input is connected to the DC bus, and its output is connected to the AC load / grid interface. The inverter module converts DC power to AC power, and the AC load / grid interface is used to connect to the AC load / grid for power supply. The multi-mode step-down module's input is connected to the DC bus, and its output is connected to the DC load interface. The multi-mode step-down module reduces the DC bus voltage to common DC voltages such as 48V, 24V, 12V, and 5V. The DC load power supply interface is used to supply power to various DC loads for direct use.The input of the hydrogen electrolysis device is connected to a DC bus, and the output of the hydrogen electrolysis device is connected to a hydrogen fuel cell stack via a hydrogen pipeline. The hydrogen electrolysis device can electrolyze water into hydrogen gas. The hydrogen pipeline delivers the hydrogen gas from the hydrogen electrolysis device to the hydrogen fuel cell stack to refuel the hydrogen fuel cell stack.
[0013] The hydrogen pipeline is equipped with a one-way valve to ensure one-way delivery and prevent hydrogen backflow.
[0014] Under the control of the main control module, the system can operate in both manual and automatic modes, prioritizing the use of wind and solar power. When insufficient, it is supplemented by mains power, batteries, or hydrogen fuel cell stacks. The control logic is as follows: Figure 2 As shown: 1. In manual mode, the energy weights of photovoltaic, wind power, battery, mains power, and hydrogen fuel cell stack can be freely set according to the system's allowed ratio. For example, if the current load is 5kW, wind power can provide a maximum of 2.5kW, and the battery can provide 6kW. You can select 0~5kW from battery and 0~2.5kW from wind power. The ratio can be adjusted arbitrarily, but it cannot exceed the maximum power supply capacity of this power supply type.
[0015] 2. In automatic mode: a) Wind and solar power are prioritized. If wind and solar power are sufficient to support the load, they are used to supply the load and charge the battery. When the load is sufficient, the hydrogen electrolysis unit electrolyzes hydrogen to refuel the hydrogen fuel cell stack. This load includes the vehicle's motor during driving. b) If wind and solar power are insufficient to support the load, it checks if mains power is connected. If mains power is connected, the insufficient power is supplemented by mains power, while simultaneously charging the battery and the hydrogen electrolysis unit electrolyzes hydrogen to refuel the fuel cell stack. Driving is not permitted in this mode. c) If no mains power is connected, the current battery level is checked. If the battery level is greater than 20%, the insufficient power is supplemented by the battery. In this mode, the battery is in discharge mode and cannot be charged. The hydrogen electrolysis unit is prohibited from starting, but driving is permitted. d) If the battery level is less than 20%, the hydrogen fuel cell stack is started. In this mode, the battery can be charged simultaneously, but the hydrogen electrolysis unit is prohibited from starting, and driving is permitted.
[0016] The electric vehicle eliminates the engine, car generator, and emergency power generator, replacing them with a battery pack, hydrogen fuel cell stack, hydrogen electrolysis unit, and vehicle motor. The battery pack charges and stores energy when the input is sufficient and during braking; when the input is insufficient, it discharges to power the load or vehicle motor. The hydrogen fuel cell stack operates when there is no mains power, insufficient solar or wind power generation, or when the battery's energy level drops to a certain percentage, replacing the car generator and emergency power generator in the electric vehicle, achieving zero emissions and reducing noise. Under sufficient input conditions, the hydrogen electrolysis unit can electrolyze hydrogen for use in the hydrogen fuel cell or for storage. The vehicle motor drives the vehicle, replacing the engine in traditional electric vehicles, employing a hybrid power system. All operating modes are monitored and controlled by the main control module.
[0017] In addition to the above embodiments, this utility model also includes other implementation methods. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of this utility model.
Claims
1. A multi-energy complementary zero-emission integrated hybrid power supply system for vehicles, characterized in that: include: The AC power interface connects to external AC power. The input terminal of the rectifier module is connected to the mains power interface, and the output terminal of the rectifier module is connected to the DC bus. The wind power generation system is connected to the DC bus via a wind power control module; The photovoltaic power generation system is connected to the DC bus via a photovoltaic control module; The hydrogen fuel cell stack is connected to the DC bus via a fuel cell control module; The battery pack is connected to the DC bus via a charge / discharge control module; The crane motor is connected to the DC bus via the crane motor control module; The inverter module input is connected to the DC bus, and the inverter module output is connected to the AC load / grid connection interface. The input terminal of the multi-standard step-down module is connected to the DC bus, and the output terminal of the multi-standard step-down module is connected to the DC load interface. The input end of the hydrogen electrolysis unit is connected to the DC bus, and the output end of the hydrogen electrolysis unit is connected to the hydrogen fuel cell stack through a hydrogen pipeline. The main control module communicates with the rectifier module, wind power control module, photovoltaic control module, fuel cell control module, charge and discharge control module, vehicle motor control module, inverter module and multi-mode step-down module via CAN bus.
2. The multi-energy complementary zero-emission integrated hybrid power supply system for vehicles according to claim 1, characterized in that: The hydrogen pipeline is equipped with a one-way valve.
3. The multi-energy complementary zero-emission integrated hybrid power supply system for vehicles according to claim 1, characterized in that: The battery pack is a lithium iron phosphate battery or a ternary lithium battery.