CN110936854A - Hydrogenation control system and method for hydrogen fuel cell vehicle - Google Patents
Hydrogenation control system and method for hydrogen fuel cell vehicle Download PDFInfo
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- CN110936854A CN110936854A CN201911273643.2A CN201911273643A CN110936854A CN 110936854 A CN110936854 A CN 110936854A CN 201911273643 A CN201911273643 A CN 201911273643A CN 110936854 A CN110936854 A CN 110936854A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The invention relates to a hydrogenation control system for a hydrogen fuel cell automobile.A hydrogen management system controller of the hydrogen management system controller is used for judging whether the temperature, the pressure and the hydrogen leakage value of a hydrogen cylinder are abnormal or not, and if the temperature, the pressure and the hydrogen leakage value are abnormal or not and the pressure of the hydrogen cylinder does not reach the rated pressure of the hydrogen cylinder, the hydrogen management system controller wakes up a whole vehicle controller and a battery management system; the battery management system feeds back whether the power voltage of the whole vehicle is electrified or not to the whole vehicle controller; the vehicle control unit judges whether the power voltage and the vehicle speed of the current vehicle are zero or not, if the power voltage and the vehicle speed of the current vehicle are not zero, the vehicle control unit sends a hydrogenation allowing instruction to the hydrogen management system controller, and the hydrogen management system controller controls the hydrogen management system to start hydrogenation; and after the vehicle controller receives the signal that the vehicle is in the hydrogenation state at present, the power voltage on the vehicle is forbidden. The invention has reasonable system architecture, does not wake up unnecessary controllers in the hydrogenation process to reduce the power consumption of the whole vehicle, and effectively avoids the power shortage of the storage battery.
Description
Technical Field
The invention relates to the technical field of automobile engineering, in particular to a hydrogenation control system and method for a hydrogen fuel cell automobile.
Background
In recent years, new energy vehicles have been rapidly developed, and a schedule for prohibiting the sale of fuel vehicles has been released in many countries. The pure electric vehicle is greatly developed under the guidance of national and local policies in China. However, the pure electric vehicle has a plurality of limiting conditions, such as long charging time and short driving range of the pure electric vehicle. The hydrogen fuel cell automobile has short hydrogenation time and longer driving range, and meets the travel requirements of consumers.
The hardware network architecture of each controller related to the existing hydrogenation is shown in figure 1, and the architecture has no obvious defects in the normal running process of a vehicle, but has the defect of awakening a non-controller when the vehicle drives into a hydrogenation station for hydrogenation. When a hydrogen energy vehicle hydrogenates, the whole vehicle is powered off, the power voltage power electricity and the low voltage electricity are cut off (the key of the vehicle is pulled out or the key is in an off gear), and a Fuel Cell Controller (FCCU) does not need to be awakened during hydrogenation, but the existing architecture diagram 1 CAN transmit whether the current state of the whole vehicle allows hydrogenation or not only by awakening the FCCU (CAN message is transmitted through the FCCU);
generally, the hydrogen energy vehicle has the following problems in the hardware architecture and the hydrogenation process monitoring related to vehicle hydrogenation:
1. the Vehicle Control Unit (VCU), the Fuel Cell Controller (FCCU), the hydrogen management system controller (HMS) and the Battery Management System (BMS) do not have a good CAN network architecture mode to ensure safe hydrogenation;
2. in the hydrogenation process, only video monitoring and a proximity switch of a hydrogenation cabin door are used for ensuring the monitoring of the hydrogenation process, and other potential risks cannot be ensured to cause dangers (for example, the hydrogenation speed is not zero, and then a hydrogenation gun and corresponding facilities are pulled apart).
Disclosure of Invention
The invention aims to provide a hydrogenation control system and a hydrogenation control method for a hydrogen fuel cell automobile.
In order to solve the technical problem, the invention discloses a hydrogenation control system for a hydrogen fuel cell vehicle, which is characterized in that: the system comprises a hydrogen management system controller, a vehicle control unit, a battery management system and a fuel battery controller; the hydrogen management system controller is used for judging whether the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in corresponding threshold value ranges, if the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in the corresponding threshold value ranges and the pressure of the hydrogen cylinder does not reach the rated pressure of the hydrogen cylinder, the hydrogen management system controller wakes up the whole vehicle controller and the battery management system through a CAN bus, and then the hydrogen management system controller is also used for periodically sending a request signal for requesting hydrogenation to the whole vehicle controller;
the battery management system is used for feeding back whether the power voltage of the whole vehicle is electrified or not to the whole vehicle controller;
the hydrogen management system controller is used for controlling the hydrogen management system to start hydrogenation and feeding back the current hydrogenation state of the whole vehicle to the whole vehicle controller;
the vehicle controller is also used for forbidding the power voltage on the vehicle after receiving the signal that the vehicle is in the hydrogenation state at present;
the fuel cell controller is used for controlling the hydrogen management system controller when the whole vehicle normally runs, and the fuel cell controller FCCU sends CAN messages to the hydrogen management system HMS to control the opening and closing of the hydrogen cylinder valve and the like when the whole vehicle normally runs.
The invention has the beneficial effects that:
the invention adopts a reasonable framework, does not wake up an unnecessary controller in the hydrogenation process to reduce the power consumption of the whole vehicle, and effectively avoids the power shortage of the storage battery (the power consumption is increased after the controller is awakened, which may cause the power shortage of the storage battery);
the invention does not allow hydrogenation when the power voltage or the vehicle speed on the whole vehicle is not zero, thereby avoiding the danger that the hydrogenation gun is broken to damage the hydrogenation port and further cause hydrogen leakage explosion (the vehicle speed is not zero and the hydrogenation also has the danger) because the vehicle runs due to misoperation of a driver on the power voltage.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a flow chart of the present invention.
Wherein, the system comprises 1-a hydrogen management system controller, 2-a vehicle control unit, 3-a battery management system, 4-a fuel cell controller, 5-a hydrogenation button and 6-a CAN bus.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the invention relates to a hydrogenation control system for a hydrogen fuel cell automobile, which is shown in figure 2: the system comprises a hydrogen management system controller 1, a vehicle control unit 2, a battery management system 3 and a fuel battery controller 4; the hydrogen management system controller 1 is used for judging whether the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are in corresponding threshold value ranges (the temperature, the pressure and the hydrogen leakage of the hydrogen cylinder need to be monitored in an important way because hydrogen is flammable and explosive), if the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are in the corresponding threshold value ranges (indicating that the hydrogen cylinder is abnormal) and the pressure of the hydrogen cylinder does not reach the rated pressure of the hydrogen cylinder, the hydrogen management system controller 1 wakes up the whole vehicle controller 2 and the battery management system 3 through a CAN bus, then the hydrogen management system controller 1 is also used for sending a request signal for requesting hydrogenation to the whole vehicle controller 2 periodically, unnecessary controllers such as an FCCU are not woken up by the design, in addition, the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are judged, and only if no problem is ensured, the hydrogen management system controller has a continuous condition; then, sending a signal for waking up the VCU and the BMS of the whole vehicle controller, and sending a hydrogenation request, wherein the controller can be woken up to process normal interaction signals;
after the battery management system 3 is awakened, the battery management system 3 is used for feeding back whether the current vehicle power voltage (more than 200V, generally used for driving a motor and the like and mainly used for driving the vehicle to run) is electrified or not to the vehicle controller 2;
the whole vehicle controller 2 is used for judging whether the power voltage and the vehicle speed of the current whole vehicle are zero or not, if the power voltage and the vehicle speed of the current whole vehicle are not zero, the whole vehicle controller 2 sends a hydrogenation permission instruction to the hydrogen management system controller 1, the hydrogen management system controller 1 controls the hydrogen management system to start hydrogenation, and feeds back the current hydrogenation state of the whole vehicle to the whole vehicle controller 2, namely the VCU of the whole vehicle controller confirms that the high voltage and the vehicle speed are zero, can respond to a hydrogenation request signal and send a hydrogenation permission signal;
the vehicle controller 2 is also used for forbidding the power voltage on the whole vehicle after receiving the signal that the whole vehicle is in the hydrogenation state at present;
the fuel cell controller 4 is used for controlling the hydrogen management system controller 1 when the whole vehicle runs normally, and the fuel cell controller knows whether the current fuel cell system needs to supply hydrogen, if the current fuel cell system needs to supply hydrogen, the fuel cell controller FCCU sends an instruction for opening the hydrogen cylinder valve to the hydrogen management system HMS.
The above design of the present invention does not wake up unnecessary controllers such as FCCU; judging the temperature, the pressure and the hydrogen leakage value of the hydrogen bottle, wherein the three values are strongly related to hydrogen safety, and only if no problem is ensured, the hydrogen bottle has continuous conditions; and then, sending a signal for waking up the VCU and the BMS of the whole vehicle controller, and sending a hydrogenation request, wherein the controller can be woken up to process normal interaction signals.
Among the above-mentioned technical scheme, there are temperature sensor, pressure sensor in the hydrogen bottle, have hydrogen concentration sensor in the vehicle, but hydrogen bottle temperature, hydrogen bottle pressure and hydrogen concentration are gathered to above-mentioned sensor, and above-mentioned three all have corresponding normal range.
In the above technical solution, the hydrogen management system controller 1 is awakened by a hard-wired wake-up signal output by the hydrogenation button 5.
In the above technical scheme, the vehicle controller 2 determines whether the power voltage and the vehicle speed of the current vehicle are zero, and if the power voltage or the vehicle speed of the current vehicle is not zero, the vehicle controller 2 does not respond to the hydrogenation request of the hydrogen management system controller 1.
In the above technical scheme, the hydrogen management system controller 1 controls the hydrogen management system to start hydrogenation, and does not wake up the fuel cell controller 4 in the hydrogenation process, and does not wake up the fuel cell controller FCCU at this time, so that the normal operation of the hydrogenation process is not affected, and the power consumption can be reduced.
In the technical scheme, after hydrogenation is completed, the hydrogenation gun is pulled out, the hydrogenation button 5 is reset, and the hydrogen management system controller 1, the vehicle control unit 2 and the battery management system 3 enter a dormant state through a hard wire signal which is output by the hydrogenation button 5 and enters the dormant state, so that hydrogenation is completed, and the relevant controller can enter the dormant state, thereby reducing power consumption.
In the above technical scheme, the communication terminals of the hydrogen management system controller 1, the vehicle control unit 2, the battery management system 3 and the fuel cell controller 4 are all connected to the same CAN bus 6.
A hydrogenation control method for a hydrogen fuel cell vehicle, as shown in fig. 3, comprising the steps of:
step 1: powering off the whole vehicle, pulling down a key, opening a hydrogenation cabin door, inserting a hydrogenation gun, pressing a hydrogenation button 5, and awakening the hydrogen management system controller 1 by a hard-wire awakening signal output by the hydrogenation button 5;
step 2: the hydrogen management system controller 1 judges whether the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in the corresponding threshold value range, if the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in the corresponding threshold value range and the pressure of the hydrogen cylinder does not reach the rated pressure of the hydrogen cylinder, the hydrogen management system controller 1 wakes up the vehicle controller 2 and the battery management system 3 through a CAN bus, and then the hydrogen management system controller 1 sends a request signal for requesting hydrogenation to the vehicle controller 2 periodically;
and step 3: the battery management system 3 feeds back whether the power voltage of the whole vehicle is electrified or not to the whole vehicle controller 2, the whole vehicle controller 2 judges whether the power voltage of the whole vehicle is electrified or not and whether the vehicle speed is zero or not, if the power voltage of the whole vehicle is not electrified and the vehicle speed is zero, the whole vehicle controller 2 sends a hydrogenation allowing instruction to the hydrogen management system controller 1, the hydrogen management system controller 1 controls the hydrogen management system to start hydrogenation, and feeds back the current hydrogenation state of the whole vehicle to the whole vehicle controller 2;
after receiving the signal that the whole vehicle is in the hydrogenation state at present, the whole vehicle controller 2 prohibits the power voltage on the whole vehicle;
and 4, step 4: after hydrogenation is completed, the hydrogenation gun is pulled out, the hydrogenation button 5 is reset, and a hard wire signal which is output by the hydrogenation button 5 and enters the dormancy state enables the hydrogen management system controller 1, the vehicle control unit 2 and the battery management system 3 to enter the dormancy state.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (7)
1. A hydrogenation control system for a hydrogen fuel cell vehicle, characterized by: the system comprises a hydrogen management system controller (1), a whole vehicle controller (2), a battery management system (3) and a fuel battery controller (4); the hydrogen management system controller (1) is used for judging whether the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in corresponding threshold value ranges, if the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in the corresponding threshold value ranges and the pressure of the hydrogen cylinder does not reach the rated pressure of the hydrogen cylinder, the hydrogen management system controller (1) wakes up the whole vehicle controller (2) and the battery management system (3) through a CAN bus, and then the hydrogen management system controller (1) is also used for periodically sending a request signal for requesting hydrogenation to the whole vehicle controller (2);
the battery management system (3) is used for feeding back whether the current power voltage of the whole vehicle is electrified or not to the whole vehicle controller (2);
the hydrogen management system controller (1) is used for controlling the hydrogen management system to start hydrogenation and feeding back the current hydrogenation state of the whole vehicle to the whole vehicle controller (2);
the vehicle controller (2) is also used for forbidding the power voltage on the whole vehicle after receiving the signal that the whole vehicle is in the hydrogenation state at present;
the fuel cell controller (4) is used for controlling the hydrogen management system controller (1) when the whole vehicle normally runs.
2. The hydrogenation control system for a hydrogen fuel cell vehicle according to claim 1, characterized in that: the hydrogen management system controller (1) is awakened by a hard-wire awakening signal output by the hydrogenation button (5).
3. The hydrogenation control system for a hydrogen fuel cell vehicle according to claim 1, characterized in that: and the vehicle control unit (2) judges whether the power voltage and the vehicle speed of the current vehicle are zero, and if the power voltage or the vehicle speed of the current vehicle is not zero, the vehicle control unit (2) does not respond to the hydrogenation request of the hydrogen management system controller (1).
4. The hydrogenation control system for a hydrogen fuel cell vehicle according to claim 1, characterized in that: the hydrogen management system controller (1) controls the hydrogen management system to start hydrogenation, and does not wake up the fuel cell controller (4) in the hydrogenation process.
5. The hydrogen adding control system for a hydrogen fuel cell vehicle according to claim 2, characterized in that: after hydrogenation is completed, the hydrogenation gun is pulled out, the hydrogenation button (5) is reset, and a hard wire signal which is output by the hydrogenation button (5) and enters the dormancy state enables the hydrogen management system controller (1), the vehicle control unit (2) and the battery management system (3) to enter the dormancy state.
6. The hydrogenation control system for a hydrogen fuel cell vehicle according to claim 1, characterized in that: and communication ends of the hydrogen management system controller (1), the whole vehicle controller (2), the battery management system (3) and the fuel battery controller (4) are all connected into the same CAN bus (6).
7. A hydrogenation control method for a hydrogen fuel cell vehicle is characterized by comprising the following steps:
step 1: the hydrogenation button (5) is pressed, and the hydrogen management system controller (1) is awakened by a hard-wire awakening signal output by the hydrogenation button (5);
step 2: the hydrogen management system controller (1) judges whether the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in the corresponding threshold value range, if the temperature, the pressure and the hydrogen leakage value of the hydrogen cylinder are all in the corresponding threshold value range and the pressure of the hydrogen cylinder does not reach the rated pressure of the hydrogen cylinder, the hydrogen management system controller (1) wakes up the whole vehicle controller (2) and the battery management system (3) through a CAN bus, and then the hydrogen management system controller (1) periodically sends a request signal for requesting hydrogenation to the whole vehicle controller (2);
and step 3: the battery management system (3) feeds back whether the power voltage of the whole vehicle is electrified or not to the whole vehicle controller (2), the whole vehicle controller (2) judges whether the power voltage and the vehicle speed of the whole vehicle are zero or not, if the power voltage and the vehicle speed of the whole vehicle are not electrified, the whole vehicle controller (2) sends a hydrogenation allowing instruction to the hydrogen management system controller (1), the hydrogen management system controller (1) controls the hydrogen management system to start hydrogenation, and feeds back the current hydrogenation state of the whole vehicle to the whole vehicle controller (2);
after receiving a signal that the whole vehicle is in a hydrogenation state at present, the whole vehicle controller (2) prohibits the power voltage on the whole vehicle;
and 4, step 4: after hydrogenation is completed, the hydrogenation gun is pulled out, the hydrogenation button (5) is reset, and a hard wire signal which is output by the hydrogenation button (5) and enters the dormancy state enables the hydrogen management system controller (1), the vehicle control unit (2) and the battery management system (3) to enter the dormancy state.
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Cited By (14)
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| CN111483319A (en) * | 2020-04-16 | 2020-08-04 | 东风汽车集团有限公司 | Hydrogenation safety awakening control device of hydrogen supply system, and hydrogenation control system and method of hydrogen supply system |
| CN112373305A (en) * | 2020-10-16 | 2021-02-19 | 长城汽车股份有限公司 | Hydrogenation control method and device |
| CN112477783A (en) * | 2020-11-04 | 2021-03-12 | 东风汽车集团有限公司 | Hydrogenation control method, device and system for vehicle and storage medium |
| CN112706658A (en) * | 2021-01-27 | 2021-04-27 | 上汽通用五菱汽车股份有限公司 | Hybrid power system control method, automobile and computer readable storage medium |
| CN112793474A (en) * | 2020-04-30 | 2021-05-14 | 长城汽车股份有限公司 | Hydrogenation control method and system for hydrogen fuel cell vehicle and vehicle |
| CN112918258A (en) * | 2021-02-26 | 2021-06-08 | 东风柳州汽车有限公司 | Vehicle control method, vehicle controller and vehicle hydrogenation monitoring system |
| CN113161585A (en) * | 2021-04-02 | 2021-07-23 | 武汉众宇动力系统科技有限公司 | Fault diagnosis method for fuel cell test bench |
| CN113858954A (en) * | 2021-09-02 | 2021-12-31 | 金龙联合汽车工业（苏州）有限公司 | Hydrogenation method and device for hydrogen fuel cell vehicle |
| CN113954698A (en) * | 2021-12-07 | 2022-01-21 | 上海捷氢科技有限公司 | Fuel cell automobile, and hydrogenation control system and method of fuel cell |
| CN114212003A (en) * | 2021-12-30 | 2022-03-22 | 重庆长安新能源汽车科技有限公司 | Bidirectional interaction control system and method between fuel cell automobile and hydrogenation gun |
| CN114684077A (en) * | 2022-03-30 | 2022-07-01 | 东风汽车集团股份有限公司 | Hydrogenation control method and device for fuel cell vehicle |
| CN114909603A (en) * | 2021-02-07 | 2022-08-16 | 广州汽车集团股份有限公司 | Hydrogen fuel cell automobile hydrogenation control method and system and hydrogen fuel cell automobile |
| CN115139861A (en) * | 2021-03-31 | 2022-10-04 | 广州汽车集团股份有限公司 | Automobile hydrogenation control method and system, whole automobile controller and fuel cell automobile |
| CN114909603B (en) * | 2021-02-07 | 2024-05-31 | 广州汽车集团股份有限公司 | Hydrogen fuel cell automobile hydrogenation control method and system and hydrogen fuel cell automobile |
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| CN111483319A (en) * | 2020-04-16 | 2020-08-04 | 东风汽车集团有限公司 | Hydrogenation safety awakening control device of hydrogen supply system, and hydrogenation control system and method of hydrogen supply system |
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| CN112373305A (en) * | 2020-10-16 | 2021-02-19 | 长城汽车股份有限公司 | Hydrogenation control method and device |
| CN112373305B (en) * | 2020-10-16 | 2022-05-31 | 长城汽车股份有限公司 | Hydrogenation control method and device |
| CN112477783A (en) * | 2020-11-04 | 2021-03-12 | 东风汽车集团有限公司 | Hydrogenation control method, device and system for vehicle and storage medium |
| CN112706658A (en) * | 2021-01-27 | 2021-04-27 | 上汽通用五菱汽车股份有限公司 | Hybrid power system control method, automobile and computer readable storage medium |
| CN114909603B (en) * | 2021-02-07 | 2024-05-31 | 广州汽车集团股份有限公司 | Hydrogen fuel cell automobile hydrogenation control method and system and hydrogen fuel cell automobile |
| CN114909603A (en) * | 2021-02-07 | 2022-08-16 | 广州汽车集团股份有限公司 | Hydrogen fuel cell automobile hydrogenation control method and system and hydrogen fuel cell automobile |
| CN112918258A (en) * | 2021-02-26 | 2021-06-08 | 东风柳州汽车有限公司 | Vehicle control method, vehicle controller and vehicle hydrogenation monitoring system |
| CN115139861A (en) * | 2021-03-31 | 2022-10-04 | 广州汽车集团股份有限公司 | Automobile hydrogenation control method and system, whole automobile controller and fuel cell automobile |
| CN113161585A (en) * | 2021-04-02 | 2021-07-23 | 武汉众宇动力系统科技有限公司 | Fault diagnosis method for fuel cell test bench |
| CN113858954A (en) * | 2021-09-02 | 2021-12-31 | 金龙联合汽车工业（苏州）有限公司 | Hydrogenation method and device for hydrogen fuel cell vehicle |
| CN113954698A (en) * | 2021-12-07 | 2022-01-21 | 上海捷氢科技有限公司 | Fuel cell automobile, and hydrogenation control system and method of fuel cell |
| CN114212003B (en) * | 2021-12-30 | 2023-05-23 | 重庆长安新能源汽车科技有限公司 | Bidirectional interaction control system and method between fuel cell automobile and hydrogenation gun |
| CN114212003A (en) * | 2021-12-30 | 2022-03-22 | 重庆长安新能源汽车科技有限公司 | Bidirectional interaction control system and method between fuel cell automobile and hydrogenation gun |
| CN114684077A (en) * | 2022-03-30 | 2022-07-01 | 东风汽车集团股份有限公司 | Hydrogenation control method and device for fuel cell vehicle |
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