CN115583165A - An 18-meter extra-large hydrogen energy bus and wide-body ferry car power configuration integrated system - Google Patents

Abstract

The invention discloses a power configuration integrated system of an 18-meter super-huge hydrogen energy passenger car and a wide ferry vehicle, which adopts two groups of high-power hydrogen fuel cells, energy storage cells and 70MPa gas hydrogen, and has strong power; the invention is an innovative application of a high-power hydrogen battery for the vehicle, and is an innovative application of a front-pull rear-push wheel-side electric drive axle integrated power which performs front drive and rear drive on two groups of wheels in four groups of wheels of the vehicle; the invention consists of a whole vehicle control system, a pedal switch, a hydrogen supply and storage tank, a fan, an air conditioning system, a high-voltage distribution box, a direct-current transformer bank, a motor control system, an energy storage battery pack, a starting battery, a hydrogen fuel battery pack, a wheel-side motor drive axle and an electric heating defrosting and water heating management system. The invention ensures the normal work of each part, thereby innovatively producing the hydrogen energy passenger car and the wide ferry vehicle which are safe and efficient to operate, have low floor, more passenger carrying capacity, strong power, low energy consumption, long mileage and flexible steering, and can fill the relevant blank.

Description

An 18-meter extra-large hydrogen energy bus and wide-body ferry car power configuration integrated system

technical field

The invention relates to the field of new energy vehicle manufacturing in which hydrogen energy fuel cell power configuration technology is applied to the manufacture of super-large passenger cars and wide-body shuttles, specifically an integrated power configuration system for 18-meter super-large hydrogen-energy buses and wide-body shuttles.

Background technique

With the advent of the era of dual-carbon economy, it has become a trend for new energy vehicles to replace fuel vehicles. The development of hydrogen energy vehicles in China is extremely rapid. Judging from the types of hydrogen fuel vehicles listed by the Ministry of Industry and Information Technology, there are already fuel cell cars, fuel cell city buses, fuel cell transport vehicles, fuel cell tractors, fuel cell refrigerated vehicles, fuel cell More than 10 models including battery forklifts. In terms of fuel cell city buses in China, 12-meter models have appeared, and the rear of the vehicle is equipped with an electric drive axle. In terms of 18-meter large buses and wide-body shuttles, there are already pure electric BRT buses and pure electric airport shuttles in China, and the rear of the vehicles is also equipped with an electric drive bridge.

Internationally, on October 28, 2019 in Paris, France, the 18-meter-long hinged hydrogen energy electric bus was officially put into operation. The vehicle is produced by Belgian coach manufacturer Van Hull and can carry up to 145 passengers. The hydrogen fuel of the hydrogen bus comes from the solar panels on the vehicle, which directly electrolyzes water to obtain hydrogen and then inputs it into the fuel cell to obtain electricity. There are three groups of wheels in total, that is, two groups of wheels are arranged before the hinge, and one group of wheels is arranged behind the hinge. Under the condition that infrastructure such as hydrogen refueling has not yet been popularized across the country, the vehicle uses the technology of self-produced hydrogen (green hydrogen) by solar panels, which is unique. On September 6, 2021, the first hydrogen-powered train assembled in Germany using hydrogen storage tanks and fuel cells was put into operation in France.

With the development of high-power hydrogen fuel cell and wheel-side motor integrated drive technology, my country already has the foundation to develop a vehicle power configuration drive system that meets the characteristics of a large population, and to develop extra-large hydrogen-energy buses and wide-body ferries of 18 meters and above. .

In view of this, in order to develop a vehicle power configuration and drive technology system that meets the characteristics of China's large population and the need for extra-large vehicles for urban BRT and airport ferry transportation at the peak of metropolitan transportation, a 18-meter extra-large hydrogen bus and a wide Integrated system for power configuration of body shuttle.

Contents of the invention

In order to solve the above existing problems, the present invention provides an integrated power configuration system for an 18-meter extra-large hydrogen bus and a wide-body ferry. The present invention is realized through the following technical solutions.

An 18-meter extra-large hydrogen energy bus and a wide-body ferry car power configuration integrated system, which includes a vehicle control system and a pedal switch located in the cab of the vehicle body, a hydrogen supply hydrogen storage tank located on the top of the vehicle body, a fan and an air-conditioning system, The high-voltage power distribution box, DC transformer group, motor control system, energy storage battery pack, starting battery, hydrogen fuel cell pack at the rear of the car body, the wheel motor drive axle at the bottom of the car body and the electric defrosting at the bottom of the car body And water heat management system components.

Further, the car body is equipped with 2*135KW two sets of high-power hydrogen fuel cells, 2*150KW two sets of high-power energy storage batteries, 1*130KW start-up battery and twelve bottles or more of 70MPa hydrogen storage tanks. The power reaches 700KWh, so as to ensure the integrated configuration system of super-large hydrogen vehicles with strong power and service life of hydrogen fuel cells. The cruising range of the hydrogen buses and hydrogen wide-body shuttles can reach more than 1050 kilometers at the specified speed.

Further, the car body is configured with four sets of wheels, a total of fourteen wheels, and two sets of wheels are respectively arranged at the front and rear of the hinge, and the front and last sets of wheels, that is, the front wheels directly driven by wheel motors are used on the six wheels. The dual-drive power integrated configuration system of drive and rear drive, the power-driven wheel motor drive axle adopts ZF's AVE130 or BYD's K9;

When meeting the 2.6-meter width of an 18-meter extra-large hydrogen bus, ZF’s AVE130 double-wheel-side motor drive axle is used; when the body width is greater than 2.6-3.05 meters wide-body ferry, four sets of unilateral Integrated electric drive axles, the integrated motor drive axles driven by the power of each wheel adopt DC motors, which are cooled by water cooling, and the rated power is 55KW-75KW, so that a low-floor, large-passenger, fast-climbing, and Strong power, low energy consumption, long mileage, flexible steering, suitable for metropolitan BRT traffic lines of various terrains and extra-large hydrogen vehicles for airport passengers; the maximum number of passengers for this 18-meter hydrogen bus is 185 , the maximum number of passengers on the wide-body shuttle bus is 201.

Further, the high-voltage power distribution box provides power for the car body air conditioning system, electric defrosting and water heat management system components, so as to ensure the normal start-up, operation and storage of the car body and hydrogen fuel cell pack at -42°C-62°C The car body adopts two low-temperature heat pump high-power air conditioners, which can ensure the heating and air conditioning in the car body under low temperature conditions, and both have cooling and heating efficiency.

Beneficial effects of the present invention:

1. The front wheel set and the last wheel set of the extra-large hydrogen energy bus adopt the dual drive power integrated configuration system of the front drive and the rear drive directly driven by the wheel motor, and the extra large hydrogen energy bus has four sets, ten All four wheels adopt all-wheel steering design, so that the extra-large hydrogen energy bus has strong power, small and flexible turning radius, low floor, large passenger capacity, and long mileage. It is an extra-large hydrogen energy BRT vehicle and airport shuttle. tool, so that the maximum number of passengers for the 18-meter hydrogen energy bus is 185, and the maximum number of passengers for the wide-body ferry is 201;

2. Using the present invention to promote the large-scale production and operation of the super-large hydrogen energy vehicles will greatly reduce the use of super-large traditional fuel vehicles, will effectively eliminate air pollution and carbon emissions in cities and airports, and will effectively respond to national Zero carbon emissions, pollution-free "dual carbon" policy requirements and new environmental protection requirements for the high-quality development of Chinese society. While filling the technical urgent need and lack of the super-large hydrogen energy vehicle, the present invention will effectively help major cities to complete the "double carbon" tasks of energy saving, consumption reduction, green and low carbon issued by the state. Just because the system of the present invention focuses better on the zero-carbon and zero-pollution emissions of cities and airports, the system of the present invention will be welcomed by all walks of life and governments at all levels;

3. Using the power configuration integration system of an 18-meter extra-large hydrogen-energy bus and wide-body ferry of the present invention, the extra-large hydrogen-energy bus and hydrogen-energy wide-body ferry produced will make up for the extra-large hydrogen-energy vehicles currently in China. Due to the lack and blankness of equipment manufacturing, the system of the present invention is realized, and the extra-large hydrogen energy vehicle equipment products made in China have good prospects in domestic and foreign markets.

Description of drawings

Fig. 1 is a diagram (1) of the power configuration integrated system of a 18-meter extra-large hydrogen energy bus and a wide-body shuttle bus of the present invention;

Fig. 2 is a diagram of a power configuration integrated system of a 18-meter extra-large hydrogen bus and a wide-body shuttle bus according to the present invention (2)

Fig. 3 is a block diagram of a power configuration integration system for a 18-meter extra-large hydrogen bus and a wide-body shuttle bus according to the present invention.

Among them, 1. Vehicle control system; 2. Pedal switch; 3. Hydrogen storage tank group; 4. Fan; 5. Air conditioning system; 6. High voltage distribution box; 7. DC transformer group; 8. Motor control system; 9 .Energy storage battery pack; 10. Start battery; 11. Hydrogen fuel cell pack; 12. Wheelside motor drive axle; 13. Electrothermal defrosting and water heat management system components.

detailed description

The technical solution of the present invention will be described in more detail and complete below in conjunction with the accompanying drawings.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

Embodiment, an 18-meter extra-large hydrogen energy passenger car and a wide-body ferry car power configuration integration system, which includes a vehicle control system 1 and a pedal switch 2 located in the cab of the vehicle body, a hydrogen storage tank group 3 located on the top of the vehicle body and Fan 4 and air conditioning system 5, high-voltage power distribution box 6 located at the rear of the car body, DC transformer group 7, motor control system 8, energy storage battery pack 9, starting battery 10, fuel cell pack 11, and the wheel edge at the bottom of the car body Composed of motor drive axle 12 and electrothermal defrosting and water heat management system components 13 located at the bottom of the vehicle body;

The car body is configured with four sets of wheels, a total of fourteen wheels. In this embodiment, the first set of wheels (the frontmost set of wheels) and the fourth set of wheels (the last set of wheels) behind the hinge of the 18-meter extra-large vehicle Wheels, that is, the dual drive power configuration system mode of "front drive + rear drive" of "front pull and rear push" directly driven by the wheel motor drive axle 12 on the front and last two groups of wheels. The present invention completely changes the rear of the fuel engine or electric drive axle of the traditional extra-large fuel vehicle and pure electric vehicle, and then drives the rear wheels (a set of wheels behind the hinge) through the transmission, and then pushes the hinge through the transmission shaft and the connector. The traditional power system configuration in which the first two sets of wheels (a total of ten wheels) move forward;

In this embodiment, two sets of high-power hydrogen fuel cell sets 11 of 2*135KW, two sets of high-power energy storage batteries 9 of 2*150KW, starting batteries 10 of 1*130KW and twelve bottles and The above-mentioned 70MPa hydrogen storage tank group 3, the whole vehicle power reaches 700KWh, so as to ensure the integrated configuration system with strong power and service life of the hydrogen fuel cell group 11 for extra-large hydrogen energy vehicles. The present invention completely changes the traditional power configuration method in which a hydrogen fuel cell is equipped with a super-large fuel vehicle, a pure electric vehicle, and a hydrogen energy vehicle of 12 meters or less;

Specifically, the vehicle operator activates the pedal switch 2 of the extra-large hydrogen energy bus, that is, the vehicle control system 1 is activated, and the fan 4 blows in air to start the two sets of hydrogen fuel cell sets 11 to generate electricity.

The two groups of hydrogen fuel cell groups 11 designed by the system of the present invention have a voltage of 150V-380V. In order to increase the motor drive power and increase the voltage (not increase the current), the system designs two groups of DC transformers 7 to increase the voltage to 560V. -850V.

The system of the present invention designs two sets of high-power energy storage battery packs 9, which can absorb excess electric energy caused by frequent start-stops and idling of extra-large vehicles, so that the energy storage battery pack 9 not only protects hydrogen The fuel cell group 11 improves the service life and efficiency of the hydrogen fuel cell group 11, and also assumes the power supplement function of the system, which greatly supplements the power of the whole vehicle. Under high speed, the cruising range reaches more than 1050 kilometers.

Under the control of the motor control system 8, the high-voltage power distribution box (PDU) 6 of the extra-large hydrogen energy bus mainly distributes the high-voltage power to the four wheel-side motor drive axles 12, so as to realize the "front-end" control of the extra-large hydrogen energy vehicle. Drive + rear drive" dual drive of "front pull and rear push", the wheel motor drive axle 12 realizes the drive of the six wheels, and at the same time, the high-voltage power distribution box 6 will also provide the air conditioning system 5 of the extra-large hydrogen energy bus And the electrothermal defrosting and hydrothermal management system components 13 provide power.

The present invention is an 18-meter extra-large hydrogen energy bus and a wide-body ferry car power configuration integrated system, which lies in the innovative use of a hydrogen fuel cell set 11, two sets of high-power energy storage battery sets 9, a start-up battery 10, and a power supply with an electric power of 700KWh for the entire vehicle The power integration is to innovatively use the power integration of the dual electric drive axle 12 driving force of "front drive + rear drive" for two sets of wheels in the four sets of wheels, so that the system of the present invention has multiple power configuration integration systems innovative features.

As a preferred embodiment of this embodiment, the power of the two sets of hydrogen fuel cell sets 11 designed by the system of the present invention is 2*135KW, the power of the two sets of energy storage battery sets 9 is 2*150KW, and the power of the starting battery 10 is 130KW. The electricity reaches 700KWh, and the power configuration integration system of the present invention can be realized to manufacture super-large BRT hydrogen-energy buses and hydrogen-energy wide-body shuttles that meet the needs of my country as a country with a large population for green public transportation and energy-saving and carbon-reducing needs.

As a preferred embodiment of this embodiment, the two groups of wheels of the first group of wheels (the frontmost wheel group) and the second group of wheels behind the hinge (ie the last wheel group) designed by the system, the wheel side motors driven by the power drive the axle 12 Use ZF's AVE130 (or BYD's K9);

When meeting the 2.6-meter width of an 18-meter extra-large hydrogen bus, ZF’s AVE130 double-wheel-side motor drive axle is used; when the body width is greater than 2.6-3.05 meters wide-body ferry, four sets of unilateral The integrated electric drive axle, the integrated motor drive axle of each wheel driven by its power adopts DC motor, adopts water cooling method for cooling, and the rated power is 55KW-75KW.

As a preferred implementation of this embodiment, the body designed by this system has four sets of single and double wheels, a total of fourteen wheels, all of which adopt an all-wheel steering design, so that the extra-large hydrogen energy bus will become a turning radius The small and flexible extra-large hydrogen energy BRT vehicles and airport shuttle vehicles allow the maximum number of passengers for the 18-meter hydrogen energy bus to be 185, and the maximum number of passengers for the wide-body shuttle bus to be 201.

As a preferred implementation scheme of this embodiment, the whole car designed by the system adopts two low-temperature heat pump type high-power air conditioners, and the air conditioners can still ensure the heating in the car under low temperature conditions. The electric defrosting and water heat management system components 13 are used to control, and the power system configuration of this system is effectively used to ensure the normal start-up, operation and preservation of the extra-large hydrogen bus and the hydrogen fuel cell pack 11 at -42°C-62°C.

In the specific implementation of the present invention, a complete vehicle control system 1, a pedal switch 2, a hydrogen storage tank group 3, a fan 4, an air conditioning system 5, a high-voltage power distribution box 6, a DC transformer group 7, a motor control system 8, a Energy battery pack 9, starting battery 10, hydrogen fuel cell pack 11, wheel motor drive axle 12, electric defrosting and water heat management system components 13, so as to ensure the vehicle body integrated power configuration system (vehicle control system, hydrogen supply system, motor control, air conditioning system, fuel cell system, energy storage system, high-voltage power distribution system, wheel-side motor drive system), various instruments and meters, etc., to ensure the safe, efficient and stable driving operation of hydrogen energy vehicles .

In the case of no conflict, the above-mentioned embodiments and features in the embodiments herein may be combined with each other.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection Or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

In the description of this specification, reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" etc. means that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the patent of the present invention, and is not intended to limit the patent of the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the patent of the present invention shall be included in this patent. within the protection scope of the invention patent.

Claims (4)

1. The utility model provides a 18 meters especially big hydrogen can passenger train and wide-body ferry vehicle power configuration integrated system which characterized in that: the system comprises a whole vehicle control system and a pedal switch which are positioned in a cab of a vehicle body, a hydrogen supply and storage tank and a fan and air conditioning system which are positioned at the top of the vehicle body, a high-voltage distribution box which is positioned at the tail part in the vehicle body, a direct-current transformer set, a motor control system, an energy storage battery set, a starting battery, a hydrogen fuel battery set, a wheel-side motor drive axle which is positioned at the outer bottom of the vehicle body, and an electric heating defrosting and water heating management system component which is positioned at the inner bottom of the vehicle body.

2. The power configuration integrated system for 18-meter extra-large hydrogen energy passenger cars and wide ferry vehicles according to claim 1, is characterized in that: the vehicle body is provided with two groups of 2X 135KW high-power hydrogen fuel cells, two groups of 2X 150KW high-power energy storage cells, a starting battery of 1X 130KW and twelve hydrogen storage tank groups with 70MPa of bottles or more, the electric quantity of the whole vehicle reaches 700KWh, so that an integrated configuration system for ensuring that the super-large hydrogen vehicle has strong power and the service life of the hydrogen fuel cells is ensured, and the hydrogen energy passenger vehicle and the hydrogen energy wide-body ferry vehicle have the endurance mileage of more than 1050 kilometers at the specified speed.

3. The power configuration integrated system for 18-meter extra-large hydrogen energy passenger cars and wide ferry vehicles according to claim 1, is characterized in that: the vehicle body is provided with four groups of wheels, the total number of the wheels is fourteen, two groups of wheels are respectively arranged in front of and behind the hinge, the foremost and the last two groups of wheels, namely, the six wheels are respectively provided with a front-drive and rear-drive dual-drive power integrated configuration system which is directly driven by a wheel-side motor, and a power-driven wheel-side motor drive axle of the dual-drive power integrated configuration system adopts AVE130 of ZF Moifu or K9 of BYD;

when the 2.6-meter width of the 18-meter super-large hydrogen energy passenger car is met, an AVE130 double-wheel-side motor drive axle of ZF Mingfu is adopted; when the wide ferry vehicle with the vehicle body width of more than 2.6 to 3.05 meters is used, four sets of single-side integrated electric drive bridges are adopted, the driving bridges of the integrated motors on the wheel sides driven by the power of the single-side integrated electric drive bridges all adopt direct current motors, the direct current motors are adopted for cooling in a water cooling mode, and the rated power is 55KW-75KW, so that the wide ferry vehicle can be obtained, is low in floor, large in passenger carrying capacity, quick in climbing, strong in power, low in energy consumption, long in mileage and flexible in steering, and is suitable for large traffic lines of BRT in metropolis in various terrains and extra-large hydrogen energy vehicles carrying passengers in airports; the maximum passenger carrying capacity of the 18-meter hydrogen energy passenger car is 185 people, and the maximum passenger carrying capacity of the wide ferry car is 201 people.

4. The power configuration integrated system for 18-meter extra-large hydrogen energy passenger cars and wide ferry vehicles according to claim 1, is characterized in that: the high-voltage distribution box provides power for a vehicle body air conditioning system and parts of an electrothermal defrosting and water heating management system so as to ensure normal starting, operation and storage of the vehicle body and the hydrogen fuel battery pack at-42-62 ℃; the vehicle body adopts two low-temperature heat pump type high-power air conditioners, can ensure heating air conditioners in the vehicle body under the low-temperature condition, and has cold and hot efficiency.

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