CN110966515A - Fuel cell vehicle and fuel gas filling safety control method thereof - Google Patents
Fuel cell vehicle and fuel gas filling safety control method thereof Download PDFInfo
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- CN110966515A CN110966515A CN201811161009.5A CN201811161009A CN110966515A CN 110966515 A CN110966515 A CN 110966515A CN 201811161009 A CN201811161009 A CN 201811161009A CN 110966515 A CN110966515 A CN 110966515A
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- vehicle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
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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
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to the field of vehicle safety control, in particular to a fuel cell vehicle fuel gas filling safety control method and a fuel cell vehicle. Acquiring the status information of a lance at a gas filling port; judging whether the vehicle is in a gas filling state or not according to the bolt inserting state information; when the vehicle is static and the vehicle is not provided with high voltage electricity, if the vehicle is in a gas filling state, controlling to not respond to the high voltage electricity signal; when the vehicle is static and the vehicle is in a high-voltage state, if the vehicle is in a gas filling state, the high-voltage down-voltage of the vehicle is controlled, accurate filling state monitoring is realized by arranging detection at a gas filling port, false alarm and misoperation are prevented, the high-voltage down-voltage of the vehicle is controlled when the fuel gun is inserted into the vehicle in the high-voltage state of the vehicle, or the high-voltage signal is not controlled to respond when the fuel gun is inserted into the vehicle in the non-high-voltage state of the vehicle, so that the safety protection during fuel filling is realized, and accidents are prevented.
Description
Technical Field
The invention relates to the field of vehicle safety control, in particular to a fuel cell vehicle fuel gas filling safety control method and a fuel cell vehicle.
Background
The hydrogen fuel cell vehicle takes hydrogen as fuel, the hydrogen belongs to flammable and explosive products, and meanwhile, the hydrogen belongs to gas, so that the hydrogen fuel cell vehicle has the defect of easy leakage compared with the traditional fuel oil. The hydrogen energy is converted into the electric energy which can be used for the running of the vehicle through chemical reaction, and the effluent is discharged at the same time, so that the vehicle has longer driving range compared with a new energy bus such as pure electric bus, and the vehicle has the advantages of zero emission and even negative emission compared with the traditional fuel vehicle. The hydrogen fuel cell vehicle takes hydrogen as an energy source, and takes the flammability and explosiveness of the hydrogen into consideration, so that a safe and reliable hydrogenation state monitoring method is adopted to provide an accurate signal for the whole vehicle in the vehicle fuel filling process, and the condition that the vehicle cannot generate misoperation in the hydrogenation process is ensured.
Aiming at the safety design of a fuel cell vehicle in the refueling process, a proximity switch is mostly used for judging whether a cabin door for gas refueling is opened, and the method can not accurately judge whether the vehicle is actually in a 'gun insertion and inflation' state. Meanwhile, as the current domestic passenger car, especially a public bus, widely uses the round simple lock as a cabin door locking device, the locking plate of the cabin door tightening device is easy to loosen after long-time use, the cabin door is easy to vibrate in large amplitude or even mistakenly opened when the vehicle passes through a vibration road surface, and then the signal of the cabin door is mistakenly reported, and the protection is possibly adopted when a false alarm signal is detected, so that the occurrence of the false protection is caused, therefore, the state of the fuel filling of the vehicle can not be accurately judged simply through a proximity switch, and the vehicle can not be accurately and safely controlled.
Disclosure of Invention
The invention aims to provide a fuel cell vehicle and a fuel gas filling safety control method thereof, which are used for solving the problem that the fuel filling state of the vehicle cannot be accurately judged in the prior art, so that the protection control misoperation influences the safety of the vehicle.
In order to realize the filling safety control of a vehicle, the problem that the prior art cannot accurately judge the fuel filling state of the vehicle, so that the false operation of protection control is caused to influence the safety of the vehicle is solved. The invention provides a fuel gas filling safety control method for a fuel cell vehicle, which comprises the following steps:
1) acquiring the state information and the speed information of a plugged gun at a gas filling port; judging whether the vehicle is in a gas filling state or not at least according to the bolt inserting state information;
2) when the vehicle is at rest and the vehicle is in a gas filling state, the control does not respond to the high-voltage power-on signal or controls the vehicle to be powered down under high voltage.
The fuel gas filling device has the advantages that accurate filling state monitoring is realized by arranging detection at the fuel gas filling port, false alarm and misoperation are prevented, and the high-voltage low-voltage power-on state of the vehicle is controlled when the fuel gun is inserted into the vehicle, or the high-voltage signal is not responded when the fuel gun is inserted into the vehicle and the high-voltage power-on state of the vehicle is not high, so that safety protection during fuel filling is realized, and accidents are prevented.
Further, in order to make the protection softer and avoid the influence of a rough protection action on the driving safety, when the vehicle is not static, if the vehicle is in a gas filling state, the vehicle is controlled to decelerate to stop.
Further, in order to increase the accuracy of judgment, the state information of the filling port door is also acquired in the step 1), and whether the vehicle is in a gas filling state is judged according to the state information of the filling port door and the state information of the plug gun.
Further, in order to remind a driver of paying attention and avoid accidents, when the vehicle is not static, if the fact that the filling cabin door is opened and the gas filling gun is not inserted into the gas filling port is detected, alarm information is output, wherein whether the filling cabin door is opened or not is judged through filling cabin door state information, and whether the gas filling gun is inserted into the gas filling port or not is judged through gun insertion state information.
Further, in order to accurately judge that the gas filling gun is inserted into the gas filling port, gun insertion state information at the gas filling port is obtained according to the position relation between the gas filling gun and the gas filling port, and when the gas filling gun is inserted into the gas filling port, the vehicle is in a gas filling state.
The invention provides a fuel cell vehicle, which comprises a control module and a lance state detection module arranged at a fuel gas filling port and used for detecting a lance state, wherein the signal input end of the control module is connected with the lance state detection module; the control module comprises a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the following steps when executing the program:
1) acquiring the state information and the speed information of a plugged gun at a gas filling port; judging whether the vehicle is in a gas filling state or not at least according to the bolt inserting state information;
2) when the vehicle is static and the vehicle is in a gas filling state, controlling not to respond to a high-voltage power-on signal or controlling the vehicle to be powered down under a high voltage; through set up the detection at gas filling mouth department, realize accurate filling state monitoring, prevent the emergence of wrong report police and the emergence of malfunction.
Further, in order to make the protection softer and avoid the influence of a rough protection action on the driving safety, when the vehicle is not static, if the vehicle is in a gas filling state, the vehicle is controlled to decelerate to stop.
Further, in order to increase the accuracy of judgment, the vehicle also acquires the status information of the filling port in the step 1), and judges whether the vehicle is in a gas filling state according to the status information of the filling port and the status information of the lance.
Further, in order to remind a driver of paying attention and avoid accidents, when the vehicle is not static, if the fact that the filling cabin door is opened and the gas filling gun is not inserted into the gas filling port is detected, alarm information is output, wherein whether the filling cabin door is opened or not is judged through filling cabin door state information, and whether the gas filling gun is inserted into the gas filling port or not is judged through gun insertion state information.
Further, in order to accurately judge that the gas filling gun is inserted into the gas filling port, gun insertion state information of the gas filling port in the vehicle is obtained according to the position relation between the gas filling gun and the gas filling port, and when the gas filling gun is inserted into the gas filling port, the vehicle is in a gas filling state.
Drawings
Fig. 1 is a flow chart of a fuel gas filling safety control method for a fuel cell vehicle according to embodiment 1 of the method of the present invention;
fig. 2 is a flowchart of a fuel gas filling safety control method for a fuel cell vehicle according to embodiment 2 of the method of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Method example 1
The invention provides a fuel gas filling safety control method for a fuel cell vehicle, which comprises the following steps as shown in figure 1:
1) acquiring the state information and the speed information of a plugged gun at a gas filling port; judging whether the vehicle is in a gas filling state or not at least according to the bolt inserting state information;
2) when the vehicle is at rest and the vehicle is in a gas filling state, the control does not respond to the high-voltage power-on signal or controls the vehicle to be powered down under high voltage.
The vehicle is in a gas filling state, and when the vehicle is static and the vehicle is in a high-voltage power-on state, the high-voltage power-off of the vehicle is controlled; when the vehicle is static and the vehicle is in a power-off state, the control does not respond to the high-voltage power-on signal, and the protection of gas filling is realized.
The gun insertion state information at the gas filling port can be obtained according to the position relation between the gas filling gun and the gas filling port, when the gas filling gun is inserted into the gas filling port, the gas filling gun is in a gas filling state, and information acquisition is carried out through a position sensor, for example.
And in the step 1), the state information of the filling cabin door is also obtained, whether the vehicle is in a gas filling state or not is judged according to the state information of the filling cabin door and the state information of the plugging gun, and the gas filling state is determined when the filling cabin door is opened and the gas filling gun is inserted into the gas filling port.
In order to remind a driver of paying attention and avoid accidents, when a vehicle is in a running state, if a filling cabin door is opened and a gas filling gun is not inserted into a gas filling port, alarm information is output, for example, the driver is reminded through an instrument, a hydrogenation cabin door is opened, and the driver is required to stop safely immediately and corresponding inspection is carried out.
Method example 2
On the basis of method embodiment 1, this embodiment provides a fuel cell vehicle gas refueling safety control method, as shown in fig. 2, according to vehicle speed information, when the vehicle is not stationary, if the vehicle is in a refueling state, the vehicle is controlled to decelerate to stop.
Similarly, the gun insertion state information at the gas filling port can be obtained according to the position relationship between the gas filling gun and the gas filling port, and when the gas filling gun is inserted into the gas filling port, the vehicle is in a gas filling state, for example, information is obtained through a position sensor.
And in the step 1), the state information of the filling cabin door is also obtained, whether the vehicle is in a gas filling state or not is judged according to the state information of the filling cabin door and the state information of the plugging gun, and the gas filling state is determined when the filling cabin door is opened and the gas filling gun is inserted into the gas filling port.
In order to remind a driver of paying attention and avoid accidents, when a vehicle is in a running state, if a filling cabin door is opened and a gas filling gun is not inserted into a gas filling port, alarm information is output, for example, the driver is reminded through an instrument, a hydrogenation cabin door is opened, and the driver is required to stop safely immediately and corresponding inspection is carried out.
When the vehicle is not stationary, if the vehicle is in a gas-filled state, an alarm is also issued, the meter reminds the driver that the vehicle is in a fuel-filled state and strictly prohibits running, and if the vehicle is not in a fuel-filled state, a parking check is more required.
Vehicle embodiment
The invention provides a fuel cell vehicle, which comprises a control module and a lance state detection module arranged at a gas filling port and used for detecting a lance state, wherein a signal input end of the control module is connected with the lance state detection module; when the vehicle is static, the high voltage of the vehicle is high, and the vehicle is in a gas filling state, the control module controls the high voltage of the vehicle to be low-voltage. The control module may be a reconfigured controller, the controller includes a memory, a processor, and a computer program stored in the memory and running on the processor, and the processor implements the control method when executing the program; in addition, the control module may also employ an existing controller in the vehicle, such as a vehicle control unit.
In order to accurately judge that the gas filling gun is inserted into the gas filling port, the gun inserting state detection module is a first proximity switch sensor for acquiring the position relation between the gas filling gun and the gas filling port, and when the gas filling gun is inserted into the gas filling port, the vehicle is in a gas filling state; in addition, other sensors can be used for monitoring the state of the filling gun, for example, a laser sensor is arranged, when the filling gun is inserted, the optical signal of the transmitting end of the laser sensor is shielded, and the receiving end cannot receive the signal, so that the state detection of the filling gun is realized.
In order to increase the accuracy of judgment and prevent false alarm, the fuel cell vehicle also comprises a filling cabin door detection module for detecting the state of the filling cabin door, the signal input end of the control module is connected with the filling cabin door detection module, and when the vehicle is static, the vehicle is not high-voltage, the filling cabin door is opened and the vehicle is in a gas filling state, the control of the control module does not respond to a high-voltage power-on signal; when the vehicle is static, the high voltage of the vehicle is high, the filling cabin door is opened and the vehicle is in a gas filling state, the control module controls the high voltage of the vehicle to be low. Wherein, the filling cabin door detection module can also adopt a proximity switch sensor, which is a second proximity switch sensor.
If the control module is the vehicle control unit, the vehicle control unit monitors the first proximity switch sensor and the second proximity switch sensor through the IO port, is connected with the instrument through CAN communication, sends related warning reminding information to the instrument in a CAN message mode, and reminds a driver in a text and sound mode on an instrument interface when the instrument receives related reminding signals.
The present invention has been described in relation to particular embodiments thereof, but the invention is not limited to the described embodiments. The technical means in the above embodiments are changed, replaced, modified in a manner that will be easily imaginable to those skilled in the art, and the functions of the technical means are substantially the same as those of the corresponding technical means in the present invention, and the objectives of the invention are also substantially the same, so that the technical solution formed by fine tuning the above embodiments should still fall into the protection scope of the present invention.
Claims (10)
1. A fuel gas filling safety control method for a fuel cell vehicle is characterized by comprising the following steps:
1) acquiring the state information and the speed information of a plugged gun at a gas filling port; judging whether the vehicle is in a gas filling state or not at least according to the bolt inserting state information;
2) when the vehicle is at rest and the vehicle is in a gas filling state, the control does not respond to the high-voltage power-on signal or controls the vehicle to be powered down under high voltage.
2. The fuel cell vehicle gas refueling safety control method according to claim 1, wherein when the vehicle is not stationary, if the vehicle is in a refueling state, the vehicle is controlled to decelerate to a stop.
3. The fuel gas refueling safety control method for the fuel cell vehicle as claimed in claim 2, wherein status information of a refueling hatch door is further acquired in step 1), and whether the vehicle is in a refueling state is judged according to the status information of the refueling hatch door and the bolt insertion status information.
4. The fuel cell vehicle gas refueling safety control method according to claim 3, characterized in that when the vehicle is not stationary, if it is detected that the refueling compartment door is opened and the gas refueling gun is not inserted into the gas refueling port, warning information is output.
5. The fuel cell vehicle gas filling safety control method according to claim 4, wherein the gun insertion state information at the gas filling port is obtained according to a positional relationship between the gas filling gun and the gas filling port, and when the gas filling gun is inserted into the gas filling port, the vehicle is in a gas filling state.
6. The fuel cell vehicle is characterized by comprising a control module and a lance state detection module which is arranged at a gas filling port and used for detecting a lance state, wherein a signal input end of the control module is connected with the lance state detection module; the control module comprises a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the following steps when executing the program:
1) acquiring the state information and the speed information of a plugged gun at a gas filling port; judging whether the vehicle is in a gas filling state or not at least according to the bolt inserting state information;
2) when the vehicle is at rest and the vehicle is in a gas filling state, the control does not respond to the high-voltage power-on signal or controls the vehicle to be powered down under high voltage.
7. The fuel cell vehicle according to claim 6, wherein when the vehicle is not stationary, if the vehicle is in a gas-fueled state, the vehicle is controlled to decelerate to a stop.
8. The fuel cell vehicle according to claim 7, wherein status information of the filler door is further acquired in step 1), and whether the vehicle is in a gas-filled state is determined according to the status information of the filler door and the status information of the plug gun.
9. The fuel cell vehicle according to claim 8, characterized in that when the vehicle is not stationary, if it is detected that the filling port door is opened and the gas filling gun is not inserted into the gas filling port, warning information is output.
10. The fuel cell vehicle according to claim 9, wherein the information on the state of the insertion gun at the gas filler port is obtained from a positional relationship between the gas filler gun and the gas filler port, and when the gas filler gun is inserted into the gas filler port, the vehicle is in a gas-filled state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161009.5A CN110966515A (en) | 2018-09-30 | 2018-09-30 | Fuel cell vehicle and fuel gas filling safety control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811161009.5A CN110966515A (en) | 2018-09-30 | 2018-09-30 | Fuel cell vehicle and fuel gas filling safety control method thereof |
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| CN110966515A true CN110966515A (en) | 2020-04-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373305A (en) * | 2020-10-16 | 2021-02-19 | 长城汽车股份有限公司 | Hydrogenation control method and device |
| CN113246879A (en) * | 2021-07-14 | 2021-08-13 | 潍柴动力股份有限公司 | Vehicle fuel filling state processing method and device |
| 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 |
| CN114407643A (en) * | 2022-01-25 | 2022-04-29 | 北京众迅驰科技有限公司 | Motor vehicle fuel filling reminding system |
| WO2024183415A1 (en) * | 2023-03-07 | 2024-09-12 | 浙江吉利控股集团有限公司 | Vehicle control method and device, vehicle, and computer readable storage medium |
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