CN113871662A - Control method for remotely starting fuel cell system - Google Patents
Control method for remotely starting fuel cell system Download PDFInfo
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- CN113871662A CN113871662A CN202111151961.9A CN202111151961A CN113871662A CN 113871662 A CN113871662 A CN 113871662A CN 202111151961 A CN202111151961 A CN 202111151961A CN 113871662 A CN113871662 A CN 113871662A
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- 239000000446 fuel Substances 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000002618 waking effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 5
- 239000013589 supplement Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
- H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
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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
- Y02E60/50—Fuel cells
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- Manufacturing & Machinery (AREA)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a control method for remotely starting a fuel cell system, which comprises the following steps: s1, when detecting that the electric quantity SOC of the vehicle power battery is low, sending a starting work instruction to the vehicle through the mobile client; s2, the background cloud receives the starting instruction and sends the starting instruction to the vehicle-mounted T-BOX; s3, sending a signal for waking up the fuel cell to the vehicle controller after the vehicle-mounted T-BOX receives the instruction; s4, the vehicle control unit VUC wakes up the fuel cell system; s5, detecting the state of the fuel cell system in real time by the mobile client; and S6, when detecting that the electric quantity SOC of the power battery reaches the expected value, the mobile client can issue a fuel battery system shutdown instruction and realize shutdown of the fuel battery system. The control method can realize the starting and closing of the remote starting fuel cell system when the vehicle is started remotely, and the power battery of the vehicle is supplemented with electric quantity in time through the work of the fuel cell, thereby solving the problem that the electric quantity of the power battery is greatly consumed in the process of starting the vehicle in the prior art.
Description
Technical Field
The invention relates to the technical field of fuel cell control, in particular to a control method for remotely starting a fuel cell system.
Background
With the development of new energy vehicles, more and more new energy vehicles have the functions of remotely awakening, remotely starting an air conditioner and the like, and the electric quantity of a power battery is consumed at the moment; the fuel cell system is generally carried on a commercial vehicle, the power of each electrical appliance of the commercial vehicle is generally large, and the capacity of the power battery is smaller and smaller due to the fact that the fuel cell system is carried on, and at the moment, if the vehicle is started remotely, the electric quantity of the power battery is consumed greatly.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a control method for remotely starting a fuel cell system.
In order to achieve the purpose, the invention adopts the technical scheme that: a control method for remotely starting a fuel cell system, comprising the steps of:
s1, when the mobile client detects that the electric quantity SOC of the vehicle power battery is low, sending a starting working instruction of the fuel battery system to the vehicle through the mobile client;
s2, after the mobile client sends a starting instruction of the fuel cell system, the background cloud receives the starting instruction and sends the starting instruction to the vehicle-mounted T-BOX of the vehicle end;
s3, the vehicle-mounted T-BOX directly sends a message for starting the fuel cell system to the vehicle CAN bus after receiving the instruction, or directly sends a signal for awakening the fuel cell to the VCU of the vehicle controller;
s4, the vehicle control unit VUC wakes up the fuel cell system after receiving the request signal, and at the moment, the fuel cell system charges the power battery;
s5, the fuel cell system feeds back a system on-off state to a Vehicle Control Unit (VCU) in real time, the VCU feeds back the on-off state of the fuel cell to a vehicle-mounted T-BOX, and finally the vehicle-mounted T-BOX feeds back the on-off state of the fuel cell system to a mobile client through a background cloud end, so that the mobile client detects the state of the fuel cell system in real time;
and S6, when the fuel cell system detects that the electric quantity SOC of the power battery reaches the expected value through the mobile client, the mobile client can issue a fuel cell system closing instruction, and the closing instruction is transmitted to the fuel cell system through the vehicle-mounted T-BOX and the VUC in sequence, and the shutdown of the fuel cell system is realized.
In a preferred embodiment of the present invention, in the S3 and S4, the vehicle-mounted T-BOX and the vehicle control unit VUC use any one of the hard-wired signal and the CAN signal.
In a preferred embodiment of the present invention, in S6, the power battery feeds back the power battery S0C to the mobile client in real time through the vehicle-mounted T-BOX and the background cloud.
In a preferred embodiment of the present invention, the mobile client includes an APP communicating with a remote background.
In a preferred embodiment of the present invention, only the vehicle control unit VCU has the right to directly start the fuel cell system in the remote start-up fuel cell system.
In a preferred embodiment of the present invention, in S4, the fuel cell system adopts a circulating air control method, including the steps of:
s41, after the fuel cell system is started, introducing anode gas and air into the anode and the cathode of the fuel cell stack through the hydrogen path and the air path;
s42, injecting unreacted anode gas in the anode of the fuel cell stack into the hydrogen path for mixing after passing through the water-steam separator so as to increase the flow and concentration of the anode gas in the hydrogen path;
and S43, when the increase of the flow and the concentration of the anode gas is detected, directly injecting the unreacted air part in the cathode of the fuel cell stack back into the air path, increasing the flow and the humidity of the air, accelerating the working power of the fuel cell system and accelerating the charging speed of the fuel cell to the power cell.
In a preferred embodiment of the present invention, in S43, the content of the unreacted air injected back into the air passage is determined so that the gas concentrations in the anode and the cathode of the fuel cell stack are matched to achieve the optimum suitable operating reaction conditions of the fuel cell stack.
In a preferred embodiment of the present invention, in S42 and S43, injectors are installed in both the hydrogen path and the air path, and the unreacted anode gas or the unreacted air is injected by the injectors; the unreacted anode gas or the unreacted air is wrapped with water generated by chemical reaction and water brought in the air inlet process.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the invention provides a control method for remotely starting a fuel cell system, which can realize the starting and the closing of the remotely started fuel cell system while remotely starting a vehicle, send a starting instruction and a closing instruction to the fuel cell system through an on-board T-BOX and a vehicle control unit VUC, and supplement electric quantity to a power battery of the vehicle in time through the work of the fuel cell, thereby solving the problem that the electric quantity of the power battery is greatly consumed in the process of starting the vehicle in the prior art.
(2) The invention detects the on-off state of the fuel cell system and the SOC of the power battery in real time, adopts a negative feedback mode, and ensures that the work of the fuel battery supplements the electric quantity of the power battery of the vehicle in time under the synergistic action of the two feedback signals until the SOC of the power battery reaches the expected value.
(3) According to the invention, the vehicle-mounted T-BOX and the vehicle control unit VUC send or receive the instruction through any signal mode of the hard wire signal or the CAN signal, so that the instruction sending strategy combining CAN drive and hard wire signal drive is realized, and the control flexibility is improved.
(4) The invention adopts the circulating air control method to control the fuel cell system, and introduces the unreacted anode gas or unreacted air in the anode and the cathode of the fuel cell into the air inlet again, thereby not only increasing the flow and the concentration of the gas in the hydrogen path or the air path, but also humidifying the air, increasing the excess ratio of the air path, improving the humidity of a proton exchange membrane in the fuel cell stack, further improving the performance of the fuel cell system and accelerating the charging speed of the fuel cell to the power cell.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
fig. 1 is a flowchart of a control method for remotely starting a fuel cell system according to a first embodiment of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
Example one
As shown in fig. 1, a control method for remotely starting a fuel cell system in this embodiment is shown, and the control method can realize turning on and off the remotely started fuel cell system while remotely starting a vehicle, send a turn-on command and a turn-off command to the fuel cell system through an on-board T-BOX and a vehicle control unit VUC, and supplement electric quantity to a power battery of the vehicle in time through the operation of the fuel cell, thereby solving the problem of large electric quantity consumption of the power battery in the process of starting the vehicle in the prior art. The control method for remotely starting the fuel cell system comprises the following steps:
s1, when the mobile client detects that the electric quantity SOC of the vehicle power battery is low, sending a starting working instruction of the fuel battery system to the vehicle through the mobile client;
s2, after the mobile client sends a starting instruction of the fuel cell system, the background cloud receives the starting instruction and sends the starting instruction to the vehicle-mounted T-BOX of the vehicle end;
s3, the vehicle-mounted T-BOX directly sends a message for starting the fuel cell system to the vehicle CAN bus after receiving the instruction, or directly sends a signal for awakening the fuel cell to the VCU of the vehicle controller;
s4, the vehicle control unit VUC wakes up the fuel cell system after receiving the request signal, and at the moment, the fuel cell system charges the power battery;
s5, the fuel cell system feeds back a system on-off state to a Vehicle Control Unit (VCU) in real time, the VCU feeds back the on-off state of the fuel cell to a vehicle-mounted T-BOX, and finally the vehicle-mounted T-BOX feeds back the on-off state of the fuel cell system to a mobile client through a background cloud end, so that the mobile client detects the state of the fuel cell system in real time;
and S6, when the fuel cell system detects that the electric quantity SOC of the power battery reaches the expected value through the mobile client, the mobile client can issue a fuel cell system closing instruction, and the closing instruction is transmitted to the fuel cell system through the vehicle-mounted T-BOX and the VUC in sequence, and the shutdown of the fuel cell system is realized.
In the embodiment, the vehicle-mounted T-BOX and the vehicle control unit VUCC send or receive the instruction through any one signal mode of the hard wire signal or the CAN signal, so that the instruction sending strategy combining CAN drive and hard wire signal drive is realized, and the control flexibility is improved.
The power battery S0C is fed back to the mobile client in real time through the vehicle-mounted T-BOX and the background cloud. The fuel cell system feeds back the system on-off state to the vehicle control unit VCU in real time, the vehicle control unit VCU feeds back the on-off state of the fuel cell to the vehicle-mounted T-BOX, and finally the vehicle-mounted T-BOX feeds back the on-off state of the fuel cell system to the mobile client through the background cloud end, so that the mobile client detects the state of the fuel cell system in real time. The invention detects the on-off state of the fuel cell system and the SOC of the power battery in real time, adopts a negative feedback mode, and ensures that the work of the fuel battery supplements the electric quantity of the power battery of the vehicle in time under the synergistic action of the two feedback signals until the SOC of the power battery reaches the expected value.
The mobile client comprises an APP communicated with the background far end, displays the SOC value of the power battery and the starting state of the fuel battery through the APP, and controls the starting or the closing of the fuel battery system.
In the remote start fuel cell system, only the vehicle control unit VCU has the right to directly start the fuel cell system.
Example two
The present embodiment is an improvement on the first embodiment, so as to increase the charging speed of the fuel cell to the power battery.
Therefore, in this embodiment, after the fuel cell system receives the wake-up signal of the VUC of the vehicle control unit, the fuel cell system starts up, and the fuel cell system adopts the circulating air control method, which includes the following steps:
after the fuel cell system is started, the hydrogen path and the air path introduce anode gas and air into the anode and the cathode of the fuel cell stack;
unreacted anode gas in the anode of the fuel cell stack is injected into the hydrogen path and mixed after passing through the water-steam separator so as to increase the flow and concentration of the anode gas in the hydrogen path;
when the increase of the flow and the concentration of the anode gas is detected, unreacted air in the cathode of the fuel cell stack is directly injected back to the air circuit, so that the flow and the humidity of the inlet air are increased, the working power of a fuel cell system is increased, and the charging speed of the fuel cell to the power cell is increased.
The content of the unreacted air which is used for ejecting the return air path is determined according to the gas concentration matching in the anode and the cathode of the fuel cell stack, so that the optimal and appropriate operation reaction condition of the fuel cell stack is achieved. The hydrogen gas path and the air gas path are respectively provided with an ejector, and unreacted anode gas or unreacted air is ejected through the ejector; the unreacted anode gas or the unreacted air is wrapped with water generated by chemical reaction and water brought in the air inlet process.
The ejector in the embodiment comprises an ejector body, wherein the ejector body comprises a spray pipe, a mixing chamber communicated with the spray pipe, a pressure expansion chamber connected with the mixing chamber, and a return pipe formed by the inner wall of the mixing chamber; the input end and the output end of the spray pipe are respectively connected with the inlet valve of the galvanic pile and the mixing chamber. A convergent cone outlet structure is formed between the nozzle and the mixing chamber. The diffusion chamber is formed with a horn structure with a gradually expanding section along the length direction. Wherein, the outlet of the pressure expanding chamber is communicated with an air inlet or an anode gas inlet in the fuel cell, and the electric pile inlet valve is communicated with a hydrogen source or an air source. The return pipe is used for ejecting unreacted anode gas or unreacted air.
In the hydrogen path, the anode gas from the inlet valve of the pile is sprayed to the mixing chamber in the center of the ejector body through the spray pipe, simultaneously the unreacted anode gas from the return pipe is sucked, passes through the spray pipe and is sucked into the mixing chamber with the anode gas around the contracted cone outlet, so that the anode gas and the unreacted anode gas are mixed in the mixing chamber for heat transfer, mass transfer, uniform speed and uniform pressure, and then are output to the diffusion chamber from the tail end of the mixing chamber, and the mixed gas is output to the air inlet of the pile anode from the ejector outlet of the diffusion chamber. Wherein, the fluid sucked from the return pipe passes through the gas-water separation function of the water-steam separator, and the dried unreacted anode gas is sucked into the ejector.
In the air path, the air path filters, compresses and cools the air in the atmospheric environment through an air filter, an air compressor and a humidifying intercooler, the air passing through an inlet valve of the electric pile is sprayed to a mixing chamber in the center of the ejector body through a spray pipe, meanwhile, unreacted air from a return pipe is sucked in an entrainment mode, the unreacted air passes through the spray pipe and is sucked into the mixing chamber through air around a contracted cone outlet, the air and the unreacted air are mixed in the mixing chamber to transfer heat, transfer mass, uniform speed and uniform pressure, the mixed air is output to a diffusion chamber from the tail end of the mixing chamber, and the mixed air is output to an air inlet of a cathode of the electric pile from an ejector outlet of the diffusion chamber. Wherein the fluid entrained from the return line is a mixture of air and water that is unreacted in a portion of the fuel cell stack.
The size of the input end and the output end of the ejector in the embodiment are both 38-100 mm, and the size of the return pipe of the first ejector is 10-50 mm. In this embodiment, an improvement is made to the ejector in the prior art, and the structure size of drawing the body and importing and exporting is enlarged respectively, reduces the backward flow entry size for the back flow can absorb the fluid easily, makes this ejector be applicable to in fuel cell system's air route and hydrogen way, and satisfies the requirement of drawing of air route and hydrogen way, promotes the ejector and draws liquid function.
In this embodiment, the fuel cell system is controlled by using a circulating air control method, and unreacted anode gas or unreacted air in the anode and the cathode of the fuel cell is reintroduced into the air inlet, so that not only is the flow and concentration of the gas in the hydrogen path or the air path increased, but also the air can be humidified, the excess ratio of the air path is increased, the humidity of a proton exchange membrane in the fuel cell stack is improved, the performance of the fuel cell system is further improved, and the charging speed of the fuel cell to the power cell is increased.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A control method for remotely starting a fuel cell system, comprising the steps of:
s1, when the mobile client detects that the electric quantity SOC of the vehicle power battery is low, sending a starting working instruction of the fuel battery system to the vehicle through the mobile client;
s2, after the mobile client sends a starting instruction of the fuel cell system, the background cloud receives the starting instruction and sends the starting instruction to the vehicle-mounted T-BOX of the vehicle end;
s3, the vehicle-mounted T-BOX directly sends a message for starting the fuel cell system to the vehicle CAN bus after receiving the instruction, or directly sends a signal for awakening the fuel cell to the VCU of the vehicle controller;
s4, the vehicle control unit VUC wakes up the fuel cell system after receiving the request signal, and at the moment, the fuel cell system charges the power battery;
s5, the fuel cell system feeds back a system on-off state to a Vehicle Control Unit (VCU) in real time, the VCU feeds back the on-off state of the fuel cell to a vehicle-mounted T-BOX, and finally the vehicle-mounted T-BOX feeds back the on-off state of the fuel cell system to a mobile client through a background cloud end, so that the mobile client detects the state of the fuel cell system in real time;
and S6, when the fuel cell system detects that the electric quantity SOC of the power battery reaches the expected value through the mobile client, the mobile client can issue a fuel cell system closing instruction, and the closing instruction is transmitted to the fuel cell system through the vehicle-mounted T-BOX and the VUC in sequence, and the shutdown of the fuel cell system is realized.
2. The control method of a remote start-up fuel cell system according to claim 1, characterized in that: in the S3 and S4, the vehicle-mounted T-BOX and the vehicle control unit VUC use any one of the signal modes of the hard-wire signal or the CAN signal.
3. The control method of a remote start-up fuel cell system according to claim 1, characterized in that: in the step S6, the power battery feeds back the power battery S0C to the mobile client in real time through the vehicle-mounted T-BOX and the background cloud.
4. The control method of a remote start-up fuel cell system according to claim 1, characterized in that: the mobile client comprises an APP communicated with the background far end.
5. The control method of a remote start-up fuel cell system according to claim 1, characterized in that: in the remote start fuel cell system, only the vehicle control unit VCU has the right to directly start the fuel cell system.
6. The control method of a remote start-up fuel cell system according to claim 1, characterized in that: in S4, the fuel cell system employs a circulating air control method, including the steps of:
s41, after the fuel cell system is started, introducing anode gas and air into the anode and the cathode of the fuel cell stack through the hydrogen path and the air path;
s42, injecting unreacted anode gas in the anode of the fuel cell stack into the hydrogen path for mixing after passing through the water-steam separator so as to increase the flow and concentration of the anode gas in the hydrogen path;
and S43, when the increase of the flow and the concentration of the anode gas is detected, directly injecting the unreacted air part in the cathode of the fuel cell stack back into the air path, increasing the flow and the humidity of the air, accelerating the working power of the fuel cell system and accelerating the charging speed of the fuel cell to the power cell.
7. The control method of claim 6, wherein: in S43, the content of the unreacted air injected back into the air passage is determined so that the gas concentrations in the anode and the cathode of the fuel cell stack are matched to achieve the optimum suitable operating reaction conditions of the fuel cell stack.
8. The control method of claim 6, wherein: in the S42 and the S43, ejectors are respectively installed in the hydrogen gas path and the air gas path, and the ejectors eject unreacted anode gas or unreacted air; the unreacted anode gas or the unreacted air is wrapped with water generated by chemical reaction and water brought in the air inlet process.
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| CN202111151961.9A CN113871662A (en) | 2021-09-29 | 2021-09-29 | Control method for remotely starting fuel cell system |
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| CN202111151961.9A CN113871662A (en) | 2021-09-29 | 2021-09-29 | Control method for remotely starting fuel cell system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007042309A (en) * | 2005-08-01 | 2007-02-15 | Toyota Motor Corp | Fuel cell system |
| US20140018975A1 (en) * | 2012-07-13 | 2014-01-16 | GM Global Technology Operations LLC | Systems and methods for preventing battery depletion in a vehicle |
| US20170237088A1 (en) * | 2016-02-16 | 2017-08-17 | Panasonic Intellectual Property Management Co., Ltd. | High-temperature operating fuel-cell module |
| CN107199891A (en) * | 2017-05-23 | 2017-09-26 | 北京新能源汽车股份有限公司 | Fuel cell automobile power-on and power-off control method, whole automobile controller and electric automobile |
| CN111993956A (en) * | 2020-05-25 | 2020-11-27 | 武汉格罗夫氢能汽车有限公司 | Charging method of power battery when hydrogen energy automobile key is in OFF gear state |
-
2021
- 2021-09-29 CN CN202111151961.9A patent/CN113871662A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007042309A (en) * | 2005-08-01 | 2007-02-15 | Toyota Motor Corp | Fuel cell system |
| US20140018975A1 (en) * | 2012-07-13 | 2014-01-16 | GM Global Technology Operations LLC | Systems and methods for preventing battery depletion in a vehicle |
| US20170237088A1 (en) * | 2016-02-16 | 2017-08-17 | Panasonic Intellectual Property Management Co., Ltd. | High-temperature operating fuel-cell module |
| CN107199891A (en) * | 2017-05-23 | 2017-09-26 | 北京新能源汽车股份有限公司 | Fuel cell automobile power-on and power-off control method, whole automobile controller and electric automobile |
| CN111993956A (en) * | 2020-05-25 | 2020-11-27 | 武汉格罗夫氢能汽车有限公司 | Charging method of power battery when hydrogen energy automobile key is in OFF gear state |
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