CN214840111U - Vehicle-mounted hydrogen supply system - Google Patents

Vehicle-mounted hydrogen supply system Download PDF

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Publication number
CN214840111U
CN214840111U CN202120468493.7U CN202120468493U CN214840111U CN 214840111 U CN214840111 U CN 214840111U CN 202120468493 U CN202120468493 U CN 202120468493U CN 214840111 U CN214840111 U CN 214840111U
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bottle
hydrogen
integrated
pipeline
group
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CN202120468493.7U
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陈大华
邓高明
潘立升
李可可
袁中
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Inner Mongolia Yingfeng Automobile Co ltd
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Chery Commercial Vehicle Anhui Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

The utility model discloses an on-vehicle hydrogen supply system, including a set of bottle group assembly that sets up side by side, every bottle group assembly includes bottle group integrated frame and establishes a set of hydrogen bottle that sets up side by side in bottle group integrated frame, all is equipped with rings on the bottle group integrated frame of every bottle group assembly, and the pipeline between the different bottle group assemblies passes through the bottle inter-group connecting line and links to each other, and the drain of all hydrogen bottles links to each other integrated the setting. By adopting the integrated frame design, the vehicle-mounted hydrogen supply system with the same hydrogen storage capacity can reduce the weight by 20.7-34.2 percent, improve the hydrogen storage mass ratio by 25.2-50 percent and reduce the cost; the PRD vent and the needle valve vent are integrally designed, and the number of the vents of the vehicle-mounted hydrogen supply system is reduced to two; in order to facilitate transportation and installation, the vehicle-mounted hydrogen supply system is divided into two subassemblies, a hydrogen concentration sensor is arranged between the two subassemblies and close to one end of the integrated cylinder valve, and the hydrogen concentration sensor is arranged above the pressure reducing valve, so that the safety of the system is improved.

Description

Vehicle-mounted hydrogen supply system
Technical Field
The utility model belongs to the technical field of fuel cell car technique and specifically relates to a vehicle-mounted hydrogen supply system is related to.
Background
The fuel cell taking hydrogen energy as an energy source is better applied and researched in the field of new energy automobiles due to the characteristics of high use efficiency, no pollution and the like, and has a plurality of advantages compared with the traditional and pure electric automobiles.
The vehicle-mounted hydrogen supply system is an important part of a fuel cell automobile and provides fuel supply for a fuel cell engine. Generally, a vehicle-mounted hydrogen supply system comprises a fuel filling module, a hydrogen storage module, a hydrogen supply module and an electric control module, wherein the fuel filling module comprises a hydrogenation panel, a hydrogenation port pressure gauge, a one-way valve, a filter, a seamless steel pipe, a straight-through sleeve, a three-way sleeve and other components; the hydrogen storage module comprises an integrated cylinder valve, a III-type hydrogen cylinder, a tail plug, a PRD (pulse repetition rate) emptying pipeline, a high-pressure sensor, a high-pressure pipeline, an emptying needle valve, a flame arrester, a hydrogen cylinder fixing clamp and the like; the hydrogen supply module comprises a pressure reducing valve, a safety valve, a filter, a ball valve, a hose and the like; the electric control module comprises a control unit, a wiring harness, a hydrogen concentration sensor and the like. For a fuel cell passenger car, in order to guarantee a continuation of the journey of not less than 300km, a vehicle-mounted hydrogen supply system with not less than 6 hydrogen bottles is generally required to be arranged on the roof, the total mass is about 750kg, and the mass center of the whole car moves upwards; in addition, the pipeline design is complicated, the arrangement is inconvenient to arrange, and the cost is high.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to solve the technical problem that an on-vehicle hydrogen supply system is provided to reach the purpose of reduction in weight and cost.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the vehicle-mounted hydrogen supply system comprises a group of bottle group assemblies arranged side by side, each bottle group assembly comprises a bottle group integrated frame and a group of hydrogen bottles arranged side by side in the bottle group integrated frame, the bottle group integrated frame of each bottle group assembly is provided with a lifting ring, pipelines between different bottle group assemblies are connected through a connecting pipeline between bottle groups, and the emptying ports of all the hydrogen bottles are connected in an integrated mode.
Further or preferred:
the bottle group integrated frame is of a square frame structure, and an integrated bottle valve, a high-pressure pipeline, a bottle mouth end PRD pipeline, a hydrogen concentration sensor, a bottle tail end PRD pipeline, a hydrogen bottle clamp and a hydrogen bottle mounting base are arranged in the frame structure.
The hydrogen bottle comprises a hydrogen bottle body, a bottle mouth end and a bottle tail end, wherein the bottle mouth end of the hydrogen bottle body is provided with an integrated bottle valve, the bottle tail end of the hydrogen bottle body is provided with a tail plug, and a group of hydrogen bottles are connected through the integrated bottle valve, a high-pressure pipeline, a bottle mouth end PRD pipeline, the tail plug and a bottle tail end PRD pipeline.
The pipeline in the bottle group assembly is fixedly supported through a group of fixing clamps, and the distance between the fixing support points is less than or equal to 1 m.
The integrated cylinder valve is integrated with a temperature sensor, a TPRD (thermal Plastic rubber), a high-pressure electromagnetic valve and an overflow valve, and is reserved with a hydrogenation/hydrogen supply pipeline interface and a PRD (pulse repetition device) emptying interface.
The tail plug is integrated with TPRD, and a PRD emptying interface is reserved.
The hydrogen bottle is fixed in the corresponding bottle group assembly through the hydrogen bottle clamp and the hydrogen bottle mounting base.
One side of the bottle group integrated frame is provided with a hydrogenation pipeline, an integrated pressure reducing valve, a hydrogen supply pipeline, an electric control unit, a hydrogen concentration sensor, an emptying needle valve, a manual emptying port and a manual emptying pipe.
The integrated pressure reducing valve is integrated with a safety valve and a low pressure solenoid valve, and the low pressure solenoid valve plays a role in opening/shutting off fuel supply.
The PRD pipeline at the bottle mouth end of the hydrogen bottle is connected with the manual vent pipe through a tee joint, and the PRD pipeline at the bottle mouth end of the hydrogen bottle and the manual vent pipe are integrated into a PRD pipeline at the bottle mouth end and a manual vent.
Compared with the prior art, the utility model, have following advantage:
the vehicle-mounted hydrogen supply system has reasonable structural design, adopts aluminum alloy, GFRP or CFRP materials to carry out integrated frame design, can reduce the weight by 20.7 to 34.2 percent for the vehicle-mounted hydrogen supply system with the same hydrogen storage capacity, improves the hydrogen storage mass ratio by 25.2 to 50 percent, and reduces the cost; the installation position of the pressure reducing valve is optimized, and the arrangement lengths of the high-pressure pipeline and the hydrogen supply pipeline are shortened; the PRD vent and the needle valve vent are integrally designed, and the number of the vents of the vehicle-mounted hydrogen supply system is reduced to two; in order to facilitate transportation and installation, the vehicle-mounted hydrogen supply system is divided into two subassemblies, a hydrogen concentration sensor is arranged between the two subassemblies and close to one end of the integrated cylinder valve, and the hydrogen concentration sensor is arranged above the pressure reducing valve, so that the safety of the system is improved.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is the principle schematic diagram of the vehicle-mounted hydrogen supply system of the utility model.
Fig. 2 is an isometric view of the vehicle-mounted hydrogen supply system of the present invention.
Fig. 3 is a left side view of the vehicle-mounted hydrogen supply system of the utility model.
Fig. 4 is a bottom view of the utility model vehicle-mounted hydrogen supply system.
Fig. 5 is a front view of the utility model vehicle-mounted hydrogen supply system.
In the figure:
1-vehicle-mounted hydrogen supply system, 2-three-bottle assembly, 201-three-bottle assembly integrated frame vertical beam, 202-three-bottle assembly integrated frame upper cross beam, 202 '-three-bottle assembly integrated frame lower cross beam, 203-three-bottle assembly integrated frame longitudinal beam, 203' -three-bottle assembly integrated frame lower longitudinal beam, 204-three-bottle assembly integrated frame supporting beam, 205-three-bottle assembly integrated frame mounting bracket, 206-three-bottle assembly lifting ring, 3-four-bottle assembly, 301-four-bottle assembly integrated frame vertical beam, 302-four-bottle assembly integrated frame upper cross beam, 302 '-four-bottle assembly frame lower cross beam, 303-four-bottle assembly frame upper longitudinal beam, 303' -four-bottle assembly frame lower longitudinal beam, 304-mounting panel, 305-four-bottle assembly frame supporting beam, 306-four-bottle assembly frame mounting bracket, 307-four-bottle assembly lifting ring, 4-hydrogen bottle, 5-hydrogenation pipeline, 6-integrated bottle valve, 7-high pressure pipeline, 701-inter-bottle-group high pressure connecting pipeline, 8-bottle-mouth-end PRD pipeline, 801-inter-bottle-group bottle-mouth-end PRD connecting pipeline, 9-integrated pressure reducing valve, 10-hydrogen supply pipeline, 11-electronic control unit, 12-hydrogen concentration sensor, 13-emptying needle valve, 14-hydrogen-bottle-tail-end PRD pipeline, 1401-inter-bottle-group tail-end PRD connecting pipeline, 15-bottle-mouth-end PRD and manual emptying port, 16-bottle-tail PRD emptying port, 17-hydrogen bottle hoop, 18-hydrogen bottle mounting base, 19-tail plug, 20-fixing clamp, 21-medium pressure sensor, 22-low pressure electromagnetic valve, 23-high pressure sensor, 24-manual blow down pipe.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the vehicle-mounted hydrogen supply system includes a set of bottle group assemblies arranged side by side, each bottle group assembly includes a bottle group integrated frame and a set of hydrogen bottles arranged side by side in the bottle group integrated frame, the bottle group integrated frame of each bottle group assembly is provided with a hanging ring, pipelines between different bottle group assemblies are connected through connecting pipelines between bottle groups, and vents of all hydrogen bottles are connected and integrally arranged.
Preferably, the vehicle-mounted hydrogen supply system comprises three bottle group assemblies and four bottle group assemblies which are arranged side by side, high-pressure pipelines between the three bottle group assemblies and the four bottle group assemblies are connected through high-pressure connecting pipelines between the bottle groups, a bottle mouth end PRD pipeline is connected through a bottle tail end PRD pipeline, and the electric control unit electrically connects the three bottle group assemblies and the four bottle group assemblies together through auxiliary wiring harnesses and connectors thereof, wherein the integrated bottle valves, the hydrogen concentration sensor and the low-pressure electromagnetic valves in the integrated pressure reducing valves.
In the above vehicle-mounted hydrogen supply system, the three-cylinder assembly is composed of a hydrogen cylinder, a three-cylinder integrated frame vertical beam, a three-cylinder integrated frame upper beam, a three-cylinder integrated frame lower beam, a three-cylinder integrated frame upper longitudinal beam, a three-cylinder integrated frame supporting beam, a three-cylinder integrated frame mounting bracket, a three-cylinder assembly lifting ring 206, an integrated cylinder valve 6, a high-pressure pipeline 7, a cylinder mouth end PRD pipeline 8, a hydrogen concentration sensor 12, a cylinder tail end PRD pipeline 14, a hydrogen cylinder clamp 17, a hydrogen cylinder mounting base 18, a tail plug 19, a fixing clamp 20, and the like;
the integrated cylinder valve 6 is arranged at the mouth end of each hydrogen cylinder 4, the tail plug 19 is arranged at the tail end of each hydrogen cylinder, and the hydrogen cylinders 4 are connected through the integrated cylinder valve 6, the high-pressure pipeline 7, the bottle mouth end PRD pipeline 8, the tail plug 19 and the bottle tail end PRD pipeline 14; the high-pressure pipeline 7, the bottle mouth end PRD pipeline 8 and the bottle tail end PRD pipeline 14 are fixedly supported through a fixing clamp 20, and the distance between the fixing support points is less than or equal to 1 m; the fixing clip 20 is made of engineering plastics such as nylon, ABS, PP, PTFE, etc. and glass fiber reinforced materials thereof, preferably glass fiber reinforced nylon materials.
The integrated cylinder valve 6 is integrated with a temperature sensor, a TPRD, a high-pressure electromagnetic valve and an overflow valve, and is reserved with a hydrogenation/hydrogen supply pipeline interface and a PRD emptying interface; the tail plug is integrated with TPRD, and a PRD emptying interface is reserved.
The three-cylinder group integrated frame vertical beam 201, the three-cylinder group integrated frame upper cross beam 202 and the three-cylinder group integrated frame upper longitudinal beam 203 are made of stainless steel, alloy structural steel, carbon structural steel, hardenability alloy structural steel, hardenability structural steel, automobile steel, aluminum alloy, GFRP and CFRP materials, and preferably made of aluminum alloy, GFRP and CFRP materials; the three-bottle-group integrated frame vertical beam 201 and the three-bottle-group integrated frame upper cross beam 202 are integrally formed, or are connected by welding, glue/rivet mixed connection, glue/screw mixed connection and the like; the three-cylinder-set integrated frame lower cross beam 202', the three-cylinder-set integrated frame supporting beam 204, the three-cylinder-set integrated frame lower longitudinal beam 203' and the three-cylinder-set integrated frame mounting bracket 205 are made of stainless steel, alloy structural steel, carbon structural steel, hardenability alloy structural steel, hardenability structural steel, automobile steel, aluminum alloy and other materials, and preferably made of aluminum alloy materials; the three-bottle-group integrated frame mounting bracket 205 and the three-bottle-group integrated frame lower longitudinal beam 203' are connected in a welding, screwing and riveting manner.
The three-bottle-group integrated frame vertical beam 201 is connected with the three-bottle-group integrated frame lower cross beam 202 'and the three-bottle-group integrated frame lower longitudinal beam 203' by adopting welding, glue/rivet mixed connection, glue/screw mixed connection and the like.
The hydrogen bottle 4 is fixed on the three-bottle group assembly 2 and the four-bottle group assembly through a hydrogen bottle clamp 17 and a hydrogen bottle mounting base 18;
in the above-mentioned vehicle-mounted hydrogen supply system 1, the four-cylinder assembly 3 includes a hydrogen cylinder 4, a four-cylinder integrated frame vertical beam 301, a four-cylinder integrated frame upper beam 302, a four-cylinder integrated frame lower beam 302', a four-cylinder integrated frame upper longitudinal beam 303, a four-cylinder integrated frame lower longitudinal beam 303', a mounting panel 304, a four-cylinder integrated frame support beam 305, a four-cylinder integrated frame mounting bracket 306, a four-cylinder assembly lifting ring 307, a hydrogenation pipeline 5, an integrated cylinder valve 6, a high-pressure pipeline, a cylinder mouth end PRD pipeline 8, an integrated pressure reducing valve 9, a hydrogen supply pipeline 10, an electronic control unit 11, a hydrogen concentration sensor 12, a blow-down needle valve 13, a hydrogen cylinder tail end PRD pipeline 14, a cylinder mouth end PRD and manual blow-down mouth 15, a cylinder tail PRD blow-down mouth 16, a hydrogen cylinder clamp 17, a hydrogen cylinder mounting base 18, a tail plug 19, a fixing clamp 20, a medium pressure sensor 21, a low pressure solenoid valve 22, a high pressure sensor 23, a four-cylinder integrated frame vertical beam 301, a four-cylinder integrated frame upper beam 302, a four-integrated frame upper beam, a four-cylinder integrated frame lower longitudinal beam, a four-cylinder integrated frame mounting panel 307, a four-cylinder integrated frame support beam 305, a four-cylinder integrated frame mounting bracket 306, a four-integrated frame mounting bracket 307, a four-integrated frame assembly lifting ring 307, a four-up ring assembly lifting ring 14, a hydrogen cylinder assembly lifting ring, A manual vent 24, etc.
The hydrogen bottle 4, the integrated cylinder valve 6 and the tail plug 19 in the four-cylinder group assembly 3 are consistent with the hydrogen bottle 4 in the three-cylinder group assembly 2 in installation mode and connection mode.
The four-bottle group integrated frame vertical beam 301, the four-bottle group integrated frame upper cross beam 302 and the four-bottle group integrated frame upper longitudinal beam 303 are made of stainless steel, alloy structural steel, carbon structural steel, hardenability alloy structural steel, hardenability structural steel, automobile steel, aluminum alloy, GFRP and CFRP materials, and preferably made of aluminum alloy, GFRP and CFRP materials; the four-bottle-group integrated frame vertical beam 301 and the four-bottle-group integrated frame upper cross beam 302 are integrally formed, or are connected in a welding mode, a glue/rivet mixed connection mode, a glue/screw mixed connection mode and the like.
The four-bottle set integrated frame lower cross beam 302', the four-bottle set integrated frame supporting beam 305, the three-bottle set integrated frame lower longitudinal beam 303' and the four-bottle set integrated frame mounting bracket are made of stainless steel, alloy structural steel, carbon structural steel, hardenability alloy structural steel, hardenability structural steel, automobile steel, aluminum alloy and other materials, and preferably made of aluminum alloy materials; the four-bottle-group integrated frame mounting bracket 306 is connected with the four-bottle-group integrated frame lower longitudinal beam 303' in a welding, screwing and riveting manner; the four-bottle-group integrated frame mounting panel 304 is made of stainless steel, carbon steel, aluminum alloy, GFRP, CFRP and other plates, and preferably made of aluminum alloy, GFRP and CFRP materials;
the four-bottle-group integrated frame vertical beam 301 is connected with the four-bottle-group integrated frame lower cross beam 302 'and the four-bottle-group integrated frame lower longitudinal beam 303' by adopting welding, glue/rivet mixed connection, glue/screw mixed connection and the like;
the integrated pressure reducing valve 9 is integrated with a relief valve and a low pressure solenoid valve 22, and the low pressure solenoid valve 22 functions to open/shut off the fuel supply; the integrated pressure reducing valve 9 shell is made of an aluminum alloy material; the input port of the integrated pressure reducing valve is connected with a high-pressure pipeline, the output port of the integrated pressure reducing valve is connected with a hydrogen supply pipeline 10, and the low-pressure electromagnetic valve 22 is connected with the electronic control unit 11;
the four-bottle-group integrated frame mounting panel 304 is used for fixedly mounting an integrated pressure reducing valve 9, a hydrogen concentration sensor 12, an electric control unit 10, a hydrogenation pipeline 5, a high-pressure pipeline 7, a bottle mouth end PRD pipeline 8, a bottle tail end PRD pipeline 14, a bottle mouth end PRD, a manual vent 15 and a bottle tail PRD vent 16;
in order to reduce the number of holes and the number of air vents of a cover plate of the vehicle-mounted hydrogen supply system 1, a bottle mouth end PRD pipeline 8 is connected with a manual air vent 24 through a tee joint to form a bottle mouth end PRD and a manual air vent 15; the manual emptying pipe 24 is integrated with an emptying needle valve 13, and the vehicle-mounted hydrogen supply system 1 is manually opened for emptying when needing replacement, maintenance emptying and the like; the top ends of the bottle mouth end PRD and manual vent 15 and the bottle tail PRD vent 16 are provided with dustproof and waterproof covers.
The hydrogenation pipeline, the high-pressure pipeline, the bottle mouth end PRD pipeline 8, the bottle tail end PRD pipeline 14, the bottle mouth end PRD and manual vent 15 and the bottle tail PRD vent 16 are all made of 316L materials;
in order to reduce the arrangement length of a high-pressure pipeline and a hydrogen supply pipeline and the pressure loss of the pipeline, the input end of the integrated pressure reducing valve 9 is arranged as close to the integrated cylinder valve 6 as possible, and the output end of the integrated pressure reducing valve is arranged as close to the hydrogen adding port of the whole vehicle as possible;
in order to facilitate transportation and installation, the vehicle-mounted hydrogen supply system 1 comprises a three-bottle assembly 2 and a four-bottle assembly 3, and three-bottle assembly hanging rings 206 and four-bottle assembly hanging rings 307 are respectively designed on the three-bottle assembly 2 and the four-bottle assembly 3, and the hanging rings are made of materials such as aluminum alloy and stainless steel.
By adopting the integrated frame design, the vehicle-mounted hydrogen supply system with the same hydrogen storage capacity can reduce the weight by 20.7-34.2 percent, improve the hydrogen storage mass ratio by 25.2-50 percent and reduce the cost; the PRD vent and the needle valve vent are integrally designed, and the number of the vents of the vehicle-mounted hydrogen supply system is reduced to two; in order to facilitate transportation and installation, the vehicle-mounted hydrogen supply system is divided into two subassemblies, a hydrogen concentration sensor is arranged between the two subassemblies and close to one end of the integrated cylinder valve, and the hydrogen concentration sensor is arranged above the pressure reducing valve, so that the safety of the system is improved.
Example 1: the embodiment provides a vehicle-mounted hydrogen supply system of a fuel cell automobile, which specifically comprises the following components: the vehicle-mounted hydrogen supply system 1 comprises three bottle assemblies 2 and four bottle assemblies 3, wherein the three bottle assemblies 2 comprise a III-type hydrogen bottle 4 with the rated pressure of 35MPa, the water volume of 140L and the single weight of 78kg, a 6-series aluminum alloy three-bottle integrated frame vertical beam 201, a 6-series aluminum alloy three-bottle integrated frame upper cross beam 202, a 6-series aluminum alloy three-bottle integrated frame lower cross beam 202', a 6-series aluminum alloy three-bottle integrated frame upper longitudinal beam 203, a 6-series aluminum alloy three-bottle integrated frame lower longitudinal beam 203', a 6-series aluminum alloy three-bottle integrated frame supporting beam 204, a 6-series aluminum alloy three-bottle integrated frame mounting bracket 205, a hydrogen bottle 4 mounting frame formed by welding together, a 6-series aluminum alloy three-bottle assembly lifting ring 206, and integrated resistance type temperature sensors, TPRD, high-pressure electromagnetic valves, overflow valves, high-pressure sensors 23 interfaces, and an interface, The hydrogen concentration sensor 12 is integrated with a bottle tail end PRD pipeline 14 interface, a TPRD tail plug 19, a hydrogen bottle clamp 17, a hydrogen bottle mounting base 18 and a glass fiber reinforced nylon material fixing clamp 20; the four-bottle assembly 3 comprises a hydrogen bottle 4 mounting frame consisting of 140L of water volume, 78kg of single weight of III type hydrogen bottle 4, a 6 series aluminum alloy four-bottle assembly integrated frame vertical beam 301, a 6 series aluminum alloy four-bottle assembly integrated frame upper beam 302, a 6 series aluminum alloy four-bottle assembly integrated frame lower beam 302', a 6 series aluminum alloy four-bottle assembly integrated frame upper longitudinal beam 303, a 6 series aluminum alloy four-bottle assembly integrated frame lower longitudinal beam 303', a 6 series aluminum alloy mounting panel 304 with the thickness of 2.5mm, a 6 series aluminum alloy four-bottle assembly integrated frame supporting beam 305, a 6 series aluminum alloy four-bottle assembly integrated frame mounting bracket 306, a lifting ring 307 and a 316L hydrogenation pipeline 5 which are integrated with a resistance type temperature sensor, a TPRD, a high-pressure electromagnetic valve, an overflow valve, a high-pressure sensor 23 interface, a high-pressure pipeline interface, The hydrogen-supplying device comprises an integrated cylinder valve 6 at a PRD pipeline 8 interface at a cylinder end, a 316L high-pressure pipeline 7, a PRD pipeline 8 at a cylinder mouth end, an aluminum alloy integrated pressure reducing valve 9 with the rated working pressure of 35MPa, the outlet pressure of 0.7MPa, the tripping pressure of a safety valve of 0.8MPa and the recoil pressure of the safety valve of 0.75MPa, a 316L hydrogen supply pipeline 10, an electronic control unit 11, a FIS hydrogen concentration sensor 12, a vent needle valve 13, a PRD pipeline 14 at a hydrogen cylinder tail end, a PRD and manual vent 15 at a cylinder mouth end, a PRD vent 16 at a cylinder tail end, a hydrogen cylinder clamp 17, a hydrogen cylinder mounting base 18, a tail plug 19 integrated with a PRD pipeline 14 interface and a TPRD at a cylinder tail end, a glass fiber reinforced nylon material fixing clamp 20, a medium-pressure sensor 21, a low-pressure electromagnetic valve 22, a high-pressure sensor 23, a 3-branched manual vent pipe 24 and the like.
The high-pressure pipeline between the three-cylinder group assembly 2 and the four-cylinder group assembly 3 is connected through a high-pressure connecting pipeline 701 between the cylinder groups, the bottle mouth end PRD pipeline is connected through a bottle tail end PRD pipeline 14, and the electric control unit 11 electrically connects the integrated cylinder valves 6, the hydrogen concentration sensor 12 and the low-pressure solenoid valve 22 in the integrated pressure reducing valve 9 of the three-cylinder group assembly 2 and the four-cylinder group assembly 3 through the attached wiring harness and the attached connector thereof.
The weight of the vehicle-mounted hydrogen supply system (1) obtained by adopting the scheme of the invention is 700kg, the total hydrogen storage capacity is 22.4kg, and the hydrogen storage mass ratio is 3.1%; in contrast to a vehicle-mounted hydrogen supply system which is supplied on the market and adopts Q235 as an integrated frame material and has the same hydrogen storage capacity, the weight of the vehicle-mounted hydrogen supply system is 920kg, and the mass ratio of hydrogen storage is 2.38%.
Example 2: the embodiment provides a vehicle-mounted hydrogen supply system of a fuel cell automobile, which specifically comprises the following components: the vehicle-mounted hydrogen supply system 1 comprises three-bottle assembly 2 and four-bottle assembly 3, wherein the three-bottle assembly 2 comprises a III-type hydrogen bottle 4 with the rated pressure of 35MPa, the water volume of 140L and the single weight of 65kg, a 6-series aluminum alloy three-bottle integrated frame vertical beam 201, a CFRP material three-bottle integrated frame upper cross beam 202, a 6-series aluminum alloy three-bottle integrated frame lower cross beam 202', a CFRP material three-bottle integrated frame upper longitudinal beam 203, a 6-series aluminum alloy three-bottle integrated frame lower longitudinal beam 203', a 6-series aluminum alloy material three-bottle integrated frame supporting beam 204 and a 6-series aluminum alloy material three-bottle integrated frame mounting bracket 205 which are combined together to form a hydrogen bottle 4 mounting frame; wherein, the vertical beam 201 of the 6 series aluminum alloy three-bottle set integrated frame, the lower longitudinal beam 203' of the 6 series aluminum alloy three-bottle set integrated frame, the supporting beam 204 of the 6 series aluminum alloy three-bottle set integrated frame, and the mounting bracket 205 of the 6 series aluminum alloy three-bottle set integrated frame are connected by welding to form an aluminum alloy frame, the upper beam 202 of the CFRP material three-bottle set integrated frame and the upper longitudinal beam 203 of the CFRP material three-bottle set integrated frame are made into the CFRP frame by an integral carbon fiber composite material forming process, the CFRP frame and the aluminum alloy frame are connected by adopting a glue/rivet composite connection form, the hanging ring 206 of the 6 series aluminum alloy three-bottle set integrated frame is integrated with an integrated bottle valve and a hydrogen concentration sensor, wherein the integrated bottle valve is integrated with a resistance type temperature sensor, a TPRD, a high pressure electromagnetic valve, an overflow valve, a high pressure sensor 23 interface, a high pressure pipeline interface (3 branched pipe), a bottle mouth end PRD pipeline interface (4 branched pipe), the hydrogen bottle comprises a bottle tail end PRD pipeline 14 interface (4 branched pipe), a tail plug 19 of TPRD, a hydrogen bottle clamp 17, a hydrogen bottle mounting base 18 and a glass fiber reinforced nylon material fixing clamp 20; the four-bottle group assembly 3 is a hydrogen bottle 4 mounting frame composed of 140L of water volume, 65kg of III type hydrogen bottle 4, 6 series aluminum alloy four-bottle group integrated frame vertical beams 301, CFRP four-bottle group integrated frame upper cross beams 302, 6 series aluminum alloy four-bottle group integrated frame lower cross beams 302', CFRP four-bottle group integrated frame upper longitudinal beams 303, 6 series aluminum alloy four-bottle group integrated frame lower longitudinal beams 303', a CFRP material mounting panel 304 with the thickness of 3mm, 6 series aluminum alloy four-bottle group integrated frame supporting beams 305, and 6 series aluminum alloy four-bottle group integrated frame mounting brackets 306 (wherein the 6 series aluminum alloy four-bottle group integrated frame vertical beams 301, the 6 series aluminum alloy four-bottle group integrated frame lower longitudinal beams 303', the 6 series aluminum alloy four-bottle group integrated frame supporting beams 305, and the 6 series aluminum alloy four-bottle group integrated frame mounting brackets 305 are connected by welding to form an aluminum alloy frame, an upper cross beam 302 of a CFRP material four-bottle group integrated frame and an upper longitudinal beam 303 of the CFRP material four-bottle group integrated frame are manufactured into the CFRP frame by adopting an integral carbon fiber composite material forming process, the CFRP frame and an aluminum alloy frame are connected by adopting a glue/rivet composite connection mode, a CFRP material mounting panel 304 with the thickness of 3mm is connected with the upper cross beam 302 of the CFRP material four-bottle group integrated frame, a 6-series aluminum alloy material four-bottle group integrated frame vertical beam 301 and a 6-series aluminum alloy material four-bottle group integrated frame lower cross beam 302' by riveting, a 6-series aluminum alloy material four-bottle group assembly lifting ring 307, a 316L hydrogenation pipeline 5 is integrated with an integrated bottle valve 6, a 316L high-pressure pipeline 7 and a 316L bottle mouth end PRD pipeline 8 which are respectively provided with a resistance type temperature sensor, a TPRD, a high-pressure electromagnetic valve, an overflow valve, a high-pressure sensor 23 interface, a high-pressure pipeline interface (3 branched pipe) and a bottle mouth end PRD pipeline interface (4 branched pipe), the hydrogen supply device comprises an aluminum alloy integrated pressure reducing valve 9 with the rated working pressure of 35MPa, the outlet pressure of 1.5MPa, the tripping pressure of a safety valve of 1.9MPa and the recoil pressure of the safety valve of 1.85MPa, a 316L hydrogen supply pipeline 10, an electronic control unit 11, a FIS hydrogen concentration sensor 12, a vent needle valve 13, a hydrogen bottle tail end PRD pipeline 14, a bottle mouth end PRD and manual vent 15, a bottle tail PRD vent 16, a hydrogen bottle clamp 17, a hydrogen bottle mounting base 18, a bottle tail end PRD pipeline 14 interface (4 branched pipe) integrated, a tail plug 19 of TPRD, a glass fiber reinforced nylon material fixing clamp 20, a medium pressure sensor 21, a low pressure electromagnetic valve 22, a high pressure sensor 23, a 3 branched pipe manual vent pipe 24 and the like;
the high-pressure pipeline between the three-cylinder group assembly 2 and the four-cylinder group assembly 3 is connected through a high-pressure connecting pipeline 701 between the cylinder groups, the bottle mouth end PRD pipeline is connected through a bottle tail end PRD pipeline 14, and the electric control unit 11 electrically connects the integrated cylinder valves 6, the hydrogen concentration sensor 12 and the low-pressure solenoid valve 22 in the integrated pressure reducing valve 9 of the three-cylinder group assembly 2 and the four-cylinder group assembly 3 through the attached wiring harness and the attached connector thereof.
The weight of the vehicle-mounted hydrogen supply system 1 obtained by adopting the scheme of the invention is 605kg, the total hydrogen storage capacity is 22.4kg, and the hydrogen storage mass ratio is 3.57%; in contrast to a vehicle-mounted hydrogen supply system which is supplied on the market and adopts Q235 as an integrated frame material and has the same hydrogen storage capacity, the weight of the vehicle-mounted hydrogen supply system is 920kg, and the mass ratio of hydrogen storage is 2.38%.
Example 3: the embodiment provides a vehicle-mounted hydrogen supply system of a fuel cell automobile, which specifically comprises the following components: the vehicle-mounted hydrogen supply system 1 comprises three bottle assemblies 2 and four bottle assemblies 3, wherein the three bottle assemblies 2 comprise a III-type hydrogen bottle 4 with the rated pressure of 35MPa, the water volume of 140L and the single weight of 78kg, a 6-series aluminum alloy three-bottle integrated frame vertical beam 201, a 6-series aluminum alloy three-bottle integrated frame upper cross beam 202, a 6-series aluminum alloy three-bottle integrated frame lower cross beam 202', a 6-series aluminum alloy three-bottle integrated frame upper longitudinal beam 203, a 6-series aluminum alloy three-bottle integrated frame lower longitudinal beam 203', a 6-series aluminum alloy three-bottle integrated frame supporting beam 204, a 6-series aluminum alloy three-bottle integrated frame mounting bracket 205, a hydrogen bottle 4 mounting frame formed by welding together, a 6-series aluminum alloy three-bottle assembly lifting ring 206, and integrated resistance type temperature sensors, TPRD, high-pressure electromagnetic valves, overflow valves, high-pressure sensors 23 interfaces, and an interface, The hydrogen concentration sensor comprises a high-pressure pipeline interface (3 branch pipe), an integrated cylinder valve 6 of a bottle mouth end PRD pipeline 8 interface (4 branch pipe), a hydrogen concentration sensor 12, a tail plug 19 integrated with a bottle tail end PRD pipeline interface (4 branch pipe) and TPRD, a hydrogen bottle clamp, a hydrogen bottle mounting base and a glass fiber reinforced PTFE material fixing clamp 20; the four-bottle assembly 3 is a hydrogen bottle 4 mounting frame formed by welding together a water volume 140L, a single 78kg III-type hydrogen bottle 4, a 6-series aluminum alloy four-bottle assembly integrated frame vertical beam 301, a 6-series aluminum alloy four-bottle assembly integrated frame upper beam 302, a 6-series aluminum alloy four-bottle assembly integrated frame lower beam 302', a 6-series aluminum alloy four-bottle assembly integrated frame upper longitudinal beam 303, a 6-series aluminum alloy four-bottle assembly integrated frame lower longitudinal beam 303', a 6-series aluminum alloy material mounting panel 304 with the thickness of 3mm, a 6-series aluminum alloy four-bottle assembly integrated frame supporting beam 305 and a 6-series aluminum alloy four-bottle assembly frame mounting bracket 306, the 6-series aluminum alloy four-bottle assembly lifting ring and the 316L hydrogenation pipeline 5 are integrated with a resistance type temperature sensor, a TPRD, a high-pressure solenoid valve, an overflow valve, a high-pressure sensor 23 interface, a high-pressure pipeline interface (3 minutes pipe), The device comprises an integrated cylinder valve of a PRD pipeline interface (4 branched pipe) at a cylinder end, a 316L high-pressure pipeline, a 316L cylinder end PRD pipeline, an aluminum alloy integrated pressure reducing valve with the rated working pressure of 35MPa, the outlet pressure of 0.7MPa, the tripping pressure of a safety valve of 0.8MPa and the recoil pressure of the safety valve of 0.75MPa, a 316L hydrogen supply pipeline, an electric control unit, a STANGE hydrogen concentration sensor, a vent needle valve, a PRD pipeline at the tail end of a hydrogen cylinder, a cylinder end PRD, a manual vent, a cylinder tail PRD vent, a hydrogen cylinder hoop, a hydrogen cylinder mounting base, a tail plug 19 integrated with the PRD pipeline interface (4 branched pipe) at the tail end of the cylinder, a tail plug 19 of a TPRD, a glass fiber reinforced nylon material fixing clamp 20, a medium-pressure sensor 21, a low-pressure electromagnetic valve 22, a high-pressure sensor 23, a 3 branched manual vent and the like;
the high-pressure pipeline between the three-cylinder group assembly 2 and the four-cylinder group assembly 3 is connected through a high-pressure connecting pipeline 701 between the cylinder groups, the bottle mouth end PRD pipeline is connected through a bottle tail end PRD pipeline 14, and the electric control unit 11 electrically connects the integrated cylinder valves 6, the hydrogen concentration sensor 12 and the low-pressure solenoid valve 22 in the integrated pressure reducing valve 9 of the three-cylinder group assembly 2 and the four-cylinder group assembly 3 through the attached wiring harness and the attached connector thereof.
The weight of the vehicle-mounted hydrogen supply system 1 obtained by adopting the scheme of the invention is 730kg, the total hydrogen storage capacity is 22.4kg, and the hydrogen storage mass ratio is 2.98%; in contrast to a vehicle-mounted hydrogen supply system which is supplied on the market and adopts Q235 as an integrated frame material and has the same hydrogen storage capacity, the weight of the vehicle-mounted hydrogen supply system is 920kg, and the mass ratio of hydrogen storage is 2.38%.
Example 4: the embodiment provides a vehicle-mounted hydrogen supply system of a fuel cell automobile, which specifically comprises the following components: the vehicle-mounted hydrogen supply system 1 consists of three-bottle assembly 2 and four-bottle assembly 3, wherein the three-bottle assembly 2 consists of a III-type hydrogen bottle with the rated pressure of 35MPa, the water volume of 140L and the single weight of 65kg, a 6-series aluminum alloy three-bottle assembly integrated frame vertical beam 201, a CFRP (circulating fluid reactor) material three-bottle assembly integrated frame upper beam 202, a 6-series aluminum alloy three-bottle assembly integrated frame lower beam, a GFRP (glass fiber reinforced plastics) material three-bottle assembly frame upper longitudinal beam, a 6-series aluminum alloy material three-bottle assembly frame lower longitudinal beam, a 6-series aluminum alloy material three-bottle assembly frame supporting beam and a 6-series aluminum alloy material three-bottle assembly frame mounting bracket 205 which form a hydrogen bottle 4 mounting frame together through combination; wherein, the vertical beam 201 of the 6 series aluminum alloy three-bottle set integrated frame, the lower longitudinal beam 203' of the 6 series aluminum alloy three-bottle set integrated frame, the supporting beam 204 of the 6 series aluminum alloy three-bottle set integrated frame, and the mounting bracket 205 of the 6 series aluminum alloy three-bottle set integrated frame are connected by welding to form an aluminum alloy frame, the upper beam 202 of the GFRP material three-bottle set integrated frame and the upper longitudinal beam 203 of the GFRP material three-bottle set integrated frame are made into a CFRP frame by an integral carbon fiber composite material forming process, the CFRP frame and the aluminum alloy frame are connected by adopting a glue/screw composite connection form, the hanging ring 206 of the 6 series aluminum alloy three-bottle set assembly is integrated with an integrated bottle valve of a resistance type temperature sensor, a TPRD, a high pressure electromagnetic valve, an overflow valve, a high pressure sensor 23 interface, a high pressure pipeline interface (3 branched pipe), a bottle mouth end PRD pipeline interface (4 branched pipe), and a hydrogen concentration sensor 12, the hydrogen bottle is integrated with a PRD pipeline interface (4 branch pipes) at the tail end of the bottle, a tail plug of TPRD, a hydrogen bottle hoop, a hydrogen bottle mounting base and a glass fiber reinforced PTFE material fixing clamp; the four-bottle group assembly 3 is a hydrogen bottle 4 mounting frame which is formed by a water volume of 140L, a single 65kg III type hydrogen bottle 4, a 6 series aluminum alloy four-bottle group integrated frame vertical beam 301, a GFRP four-bottle group integrated frame upper cross beam 302, a 6 series aluminum alloy four-bottle group integrated frame lower cross beam 302', a GFRP four-bottle group integrated frame upper longitudinal beam 303, a 6 series aluminum alloy four-bottle group integrated frame lower longitudinal beam 303', a GFRP material mounting panel 304 with the thickness of 4mm, a 6 series aluminum alloy four-bottle group integrated frame supporting beam 305 and a 6 series aluminum alloy four-bottle group integrated frame mounting bracket; wherein, the vertical beam 301 of the 6 series aluminum alloy four-bottle group integrated frame, the lower longitudinal beam 303 'of the 6 series aluminum alloy four-bottle group integrated frame, the supporting beam 305 of the 6 series aluminum alloy four-bottle group integrated frame, and the mounting bracket 305 of the 6 series aluminum alloy four-bottle group integrated frame are connected by welding to form an aluminum alloy frame, the upper beam 302 of the GFRP four-bottle group integrated frame and the upper longitudinal beam 303 of the GFRP four-bottle group integrated frame are made into a GFRP frame by an integral carbon fiber composite material forming process, the GFRP frame and the aluminum alloy frame are connected by adopting a glue/screw composite connection form, the mounting panel 304 of the GFRP material with the thickness of 4mm is connected with the upper beam 302 of the GFRP four-bottle group integrated frame, the vertical beam 301 of the 6 series aluminum alloy four-bottle group integrated frame and the lower beam 302' of the 6 series aluminum alloy four-bottle group integrated frame by riveting, the lifting ring 307, 316L hydrogenation pipeline 5 is formed by the stainless steel four bottle group assembly, an integrated cylinder valve integrated with a resistance type temperature sensor, a TPRD, a high-pressure electromagnetic valve, an overflow valve, a high-pressure sensor 23 interface, a high-pressure pipeline interface (3 branch pipe) and a bottle mouth end PRD pipeline interface (4 branch pipe), 316L high-pressure pipeline, a 316L bottle mouth end PRD pipeline, an aluminum alloy integrated pressure reducing valve with rated working pressure of 35MPa, outlet pressure of 0.95MPa, safety valve jump pressure of 1.24MPa and safety valve return pressure of 1.19MPa, a 316L hydrogen supply pipeline, an electronic control unit 11, a FIS hydrogen concentration sensor 12, a vent needle valve 13, a hydrogen bottle tail end PRD pipeline 14, a bottle mouth end PRD and manual vent 15, a bottle tail PRD vent 16, a hydrogen bottle clamp 17, a hydrogen bottle mounting base, a tail plug integrated with a bottle tail end PRD pipeline interface (4 minutes), a TPRD, a glass fiber reinforced nylon material fixing clamp, a medium-pressure sensor, a low-pressure electromagnetic valve, a high-pressure sensor, a 3 minutes manual vent pipe and the like;
the high-pressure pipeline between the three-cylinder assembly and the four-cylinder assembly is connected through a high-pressure connecting pipeline 701 between the three-cylinder assembly and the four-cylinder assembly, the bottle mouth end PRD pipeline is connected through a bottle tail end PRD pipeline 14, and the electric control unit 11 electrically connects the integrated cylinder valve 6, the hydrogen concentration sensor 12 and the low-pressure solenoid valve 22 in the integrated pressure reducing valve 9 of the three-cylinder assembly 2 and the four-cylinder assembly 3 through the attached wiring harness and the attached connector thereof.
The weight of the vehicle-mounted hydrogen supply system (1) obtained by adopting the scheme of the invention is 620kg, the total hydrogen storage capacity is 22.4kg, and the hydrogen storage mass ratio is 3.49%; in contrast to a vehicle-mounted hydrogen supply system which is supplied on the market and adopts Q235 as an integrated frame material and has the same hydrogen storage capacity, the weight of the vehicle-mounted hydrogen supply system is 920kg, and the mass ratio of hydrogen storage is 2.38%.
The above-mentioned is only for the description of the preferred embodiments of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiments of the present invention.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims (10)

1. A vehicle-mounted hydrogen supply system is characterized in that: the hydrogen bottle group assembly comprises a group of bottle group assemblies arranged side by side, each bottle group assembly comprises a bottle group integrated frame and a group of hydrogen bottles arranged side by side in the bottle group integrated frame, the bottle group integrated frame of each bottle group assembly is provided with a lifting ring, pipelines between different bottle group assemblies are connected through a connecting pipeline between bottle groups, and the emptying ports of all the hydrogen bottles are connected and integrally arranged.
2. The vehicle-mounted hydrogen supply system according to claim 1, characterized in that: the bottle group integrated frame is of a square frame structure, and an integrated bottle valve, a high-pressure pipeline, a bottle mouth end PRD pipeline, a hydrogen concentration sensor, a bottle tail end PRD pipeline, a hydrogen bottle clamp and a hydrogen bottle mounting base are arranged in the frame structure.
3. The vehicle-mounted hydrogen supply system according to claim 1, characterized in that: the hydrogen bottle comprises a hydrogen bottle body, a bottle mouth end and a bottle tail end, wherein the bottle mouth end of the hydrogen bottle body is provided with an integrated bottle valve, the bottle tail end of the hydrogen bottle body is provided with a tail plug, and a group of hydrogen bottles are connected through the integrated bottle valve, a high-pressure pipeline, a bottle mouth end PRD pipeline, the tail plug and a bottle tail end PRD pipeline.
4. The vehicle-mounted hydrogen supply system according to claim 1, characterized in that: the pipeline in the bottle group assembly is fixedly supported through a group of fixing clamps, and the distance between the fixing support points is less than or equal to 1 m.
5. The vehicle-mounted hydrogen supply system according to claim 2 or 3, characterized in that: the integrated cylinder valve is integrated with a temperature sensor, a TPRD (thermal Plastic rubber), a high-pressure electromagnetic valve and an overflow valve, and is reserved with a hydrogenation/hydrogen supply pipeline interface and a PRD (pulse repetition device) emptying interface.
6. The vehicle-mounted hydrogen supply system according to claim 3, characterized in that: the tail plug is integrated with TPRD, and a PRD emptying interface is reserved.
7. The vehicle-mounted hydrogen supply system according to claim 4, characterized in that: the hydrogen bottle is fixed in the corresponding bottle group assembly through the hydrogen bottle clamp and the hydrogen bottle mounting base.
8. The vehicle-mounted hydrogen supply system according to claim 2, characterized in that: one side of the bottle group integrated frame is provided with a hydrogenation pipeline, an integrated pressure reducing valve, a hydrogen supply pipeline, an electric control unit, a hydrogen concentration sensor, an emptying needle valve, a manual emptying port and a manual emptying pipe.
9. The vehicle-mounted hydrogen supply system according to claim 8, characterized in that: the integrated pressure reducing valve is integrated with a safety valve and a low pressure solenoid valve, and the low pressure solenoid valve plays a role in opening/shutting off fuel supply.
10. The vehicle-mounted hydrogen supply system according to claim 8, characterized in that: the PRD pipeline at the bottle mouth end of the hydrogen bottle is connected with the manual vent pipe through a tee joint, and the PRD pipeline at the bottle mouth end of the hydrogen bottle and the manual vent pipe are integrated into a PRD pipeline at the bottle mouth end and a manual vent.
CN202120468493.7U 2021-03-04 2021-03-04 Vehicle-mounted hydrogen supply system Active CN214840111U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116677915A (en) * 2023-04-17 2023-09-01 东风汽车集团股份有限公司 Medium storage system and vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116677915A (en) * 2023-04-17 2023-09-01 东风汽车集团股份有限公司 Medium storage system and vehicle
CN116677915B (en) * 2023-04-17 2024-04-02 东风汽车集团股份有限公司 Medium storage system and vehicle

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Effective date of registration: 20221123

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Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd.