CN111146475A - Method, device and system for preventing fuel cell from being started by mistake - Google Patents
Method, device and system for preventing fuel cell from being started by mistake Download PDFInfo
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- CN111146475A CN111146475A CN201911361117.1A CN201911361117A CN111146475A CN 111146475 A CN111146475 A CN 111146475A CN 201911361117 A CN201911361117 A CN 201911361117A CN 111146475 A CN111146475 A CN 111146475A
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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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04225—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
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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
- B60L58/31—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for starting of fuel cells
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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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- 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
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04955—Shut-off or shut-down of fuel cells
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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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- 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)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention belongs to the technical field of hydrogen fuel cell vehicles, and particularly relates to a method, a device and a system for preventing a fuel cell from being started by mistake. The method for preventing the fuel cell from being started by mistake comprises the following steps: acquiring the current displacement of the manual valve; and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the first preset displacement. According to the method for preventing the fuel cell from being started by mistake, the hydrogen path communicated with the fuel cell by the hydrogen bottle is controlled to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the first preset displacement, and the displacement of the manual valve of the hydrogen bottle is used as a judgment condition for starting the fuel cell, so that abnormal starting of the fuel cell caused by misoperation of an operator is avoided.
Description
Technical Field
The invention belongs to the technical field of hydrogen fuel cell vehicles, and particularly relates to a method, a device and a system for preventing a fuel cell from being started by mistake.
Background
After hydrogen fuel cell car hydrogen supply system closed hydrogen bottle hand valve, when hydrogen pressure in the hydrogen pipeline when satisfying fuel cell start-up pressure limit value, after the fuel cell was opened to the mistake, hydrogen pressure can fall to 0 fast in the hydrogen supply pipeline to lead to following problem: (1) the fuel cell is shut down emergently, which has influence on the service life of the fuel cell; (2) the hydrogen pressure in the hydrogen pipeline is lower than the starting pressure limit value of the fuel cell, and the fuel cell cannot be started; (3) the pressure drop of a mechanical gauge at a hydrogenation port is 0, air possibly enters a hydrogen pipeline, the hydrogenation condition is not met, and normal hydrogenation cannot be realized; (4) hydrogenation is allowed after nitrogen replacement, and the fuel cell can be started after the hydrogen pressure in the hydrogen pipeline after hydrogenation meets the starting pressure limit value of the fuel cell, so that the replacement process is time-consuming, labor-consuming and expensive.
Disclosure of Invention
The invention aims to at least solve the problem that the hydrogen pressure in a hydrogen pipeline is mistakenly started when the hydrogen pressure in a hydrogen pipeline meets the starting pressure limit value of a fuel cell after a hydrogen supply system of the existing hydrogen fuel cell vehicle closes a manual valve of a hydrogen bottle. The purpose is realized by the following technical scheme:
a first aspect of the present invention proposes a method of preventing false start of a fuel cell, wherein the method comprises the steps of:
acquiring the current displacement of the manual valve;
and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the first preset displacement.
According to the method for preventing the fuel cell from being started by mistake, the hydrogen path communicated with the fuel cell by the hydrogen bottle is controlled to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the first preset displacement, and the displacement of the manual valve of the hydrogen bottle is used as a judgment condition for starting the fuel cell, so that abnormal starting of the fuel cell caused by misoperation of an operator is avoided.
In addition, the method for preventing the fuel cell from being started by mistake according to the invention can also have the following additional technical characteristics:
in some embodiments of the present invention, the controlling the hydrogen path of the hydrogen bottle communicating with the fuel cell to be in the disconnected state according to the current displacement amount of the manual valve being smaller than the first preset displacement amount includes:
and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the first preset displacement and larger than the second preset displacement, wherein the first preset displacement is larger than the second preset displacement.
In some embodiments of the present invention, the controlling the hydrogen path of the hydrogen bottle communicating with the fuel cell to be in the disconnected state according to the current displacement amount of the manual valve being smaller than the first preset displacement amount includes:
and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the second preset displacement.
In some embodiments of the present invention, the controlling the hydrogen path of the hydrogen cylinder communicating with the fuel cell to be in the disconnected state includes:
and controlling the electromagnetic valve on the gas path communicated with the fuel cell to close.
In another aspect of the present invention, an apparatus for preventing a fuel cell from being started by mistake is further provided, wherein the apparatus for preventing a fuel cell from being started by mistake is used for executing the method for preventing a fuel cell from being started by mistake, and the apparatus for preventing a fuel cell from being started by mistake comprises: obtain unit, comparing element and gas circuit connection control unit, wherein:
the acquisition unit is used for acquiring the current displacement of the manual valve;
the comparison unit is used for comparing the current displacement of the manual valve with the first preset displacement;
and the gas path connection control unit is used for controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than a first preset displacement.
In another aspect of the present invention, a system for preventing the false start of the fuel cell is further provided, the control system includes a memory and the device for preventing the false start of the fuel cell, and the memory stores the instructions of the method for preventing the false start of the fuel cell;
further comprising: the hydrogen storage device comprises a manual valve, a controller, a hydrogen bottle, a fuel cell and an electromagnetic valve; the manual valve is arranged at the gas outlet of the hydrogen bottle, a displacement sensor is arranged on the manual valve, the manual valve is communicated with the fuel cell through a gas path, and an electromagnetic valve is arranged on the gas path;
and the controller receives the signal of the displacement sensor and controls the electromagnetic valve to be opened or closed.
In some embodiments of the invention, a housing is arranged at the gas outlet of the hydrogen bottle, the manual valve can move along the axis of the housing, a slide block is arranged on the manual valve, and the displacement sensor is positioned on the slide block.
In some embodiments of the invention, a spring is arranged between the slider and the manual valve, said spring fixing the slider to the manual valve by means of a spring force.
In some embodiments of the invention, the slider is provided with a through hole in the middle.
In some embodiments of the invention, the controller is an FCU controller.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings.
In the drawings:
fig. 1 schematically shows a flowchart of a method of preventing a false start of a fuel cell according to an embodiment of the invention;
fig. 2 schematically shows a connection diagram of a system for preventing false start of a fuel cell according to an embodiment of the present invention;
fig. 3 schematically shows an installation diagram of a displacement sensor in the system for preventing false start of the fuel cell according to the embodiment of the invention.
1: a displacement sensor; 2: a hydrogen bottle; 3: a manual valve; 4: a housing; 5: a slider; 6: a spring.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, the method for preventing false start of a fuel cell in the present embodiment includes the following steps:
s1, acquiring the current displacement of the manual valve;
and S2, controlling a hydrogen path of the hydrogen bottle communicated with the fuel cell to be in a disconnected state and not starting the fuel cell according to the fact that the current displacement of the manual valve is smaller than the first preset displacement.
When the current displacement of the manual valve is larger than the first preset displacement, the hydrogen bottle manual valve is considered to be in a fully opened state, and the fuel cell can be started normally.
According to the fact that the current displacement of the manual valve is smaller than the first preset displacement, a hydrogen path communicated with the fuel cell by the hydrogen bottle is controlled to be in a disconnected state, the displacement of the manual valve of the hydrogen bottle is used as a judgment condition for starting the fuel cell, and abnormal starting of the fuel cell caused by misoperation of an operator is avoided. The problems of low hydrogen pressure and system sudden stop caused by abnormal starting of the fuel cell are avoided, and the adverse effect on the service life of the fuel cell is reduced. The problem that the normal use of the fuel cell can be recovered only by replacement due to the fact that the hydrogen pressure of the fuel cell is low and normal hydrogenation cannot be performed due to abnormal starting is solved, and the unnecessary problem in the use process of the fuel cell is reduced.
In some embodiments of the present invention, controlling the hydrogen gas path of the hydrogen cylinder communicating with the fuel cell to be in the disconnected state according to the current displacement amount of the manual valve being smaller than the first preset displacement amount includes:
according to the fact that the current displacement l of the manual valve is smaller than a first preset displacement l0And is greater than the second predetermined displacement l1And controlling a hydrogen path communicated with the fuel cell to be in a disconnected state, wherein the first preset displacement is larger than the second preset displacement.
When the monitoring distance l is between l0And l1In between, the hydrogen bottle manual valve is considered to be in a half-open state, and the fuel cell cannot be started.
In some embodiments of the present invention, controlling the hydrogen gas path of the hydrogen cylinder communicating with the fuel cell to be in the disconnected state according to the current displacement amount of the manual valve being smaller than the first preset displacement amount includes:
and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the second preset displacement.
When the monitoring distance l is less than l1The hydrogen bottle manual valve is considered to be in a completely closed state, and the fuel cell cannot be started.
In some embodiments of the present invention, controlling the hydrogen path, through which the hydrogen cylinder communicates with the fuel cell, to be in the disconnected state includes:
and controlling the electromagnetic valve on the gas path communicated with the fuel cell to close.
Another aspect of the present invention also provides an apparatus for preventing false start of a fuel cell, wherein the apparatus for preventing false start of a fuel cell is used for executing the method for preventing false start of a fuel cell, and the apparatus for preventing false start of a fuel cell comprises: obtain unit, comparing element and gas circuit connection control unit, wherein:
the acquisition unit is used for acquiring the current displacement of the manual valve;
the comparison unit is used for comparing the current displacement of the manual valve with the first preset displacement;
and the gas path connection control unit is used for controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than a first preset displacement.
As shown in fig. 2 and fig. 3, another aspect of the present invention further provides a system for preventing false start of a fuel cell, wherein a control system comprises a memory and the device for preventing false start of a fuel cell, and the memory stores instructions of the method for preventing false start of a fuel cell;
further comprising: the manual valve 3, the controller, the hydrogen bottle 2, the fuel cell and the electromagnetic valve; the manual valve 3 is arranged at the air outlet of the hydrogen bottle 2, the displacement sensor 1 is arranged on the manual valve 3, the manual valve 3 is communicated with the fuel cell through an air path, and an electromagnetic valve is arranged on the air path;
the controller receives the signal of the displacement sensor 1 and controls the opening or closing of the electromagnetic valve.
In some embodiments of the present invention, a housing 4 is provided at the gas outlet of the hydrogen bottle 2, the manual valve 3 is movable along the axis of the housing 4, a slider 5 is provided on the manual valve 3, and the displacement sensor 1 is located on the slider 5.
The manual valve 3 and the shell 4 can be in threaded connection, and the displacement sensor 1 can acquire the displacement of the manual valve 3 through the slide block 5 and the manual valve 3 moving along a track in the shell 4.
In some embodiments of the invention, a spring 6 is arranged between the slider 5 and the manual valve 3, the spring 6 fixing the slider 5 to the manual valve 3 by means of spring force.
In some embodiments of the invention, the slider 5 is provided with a through hole in the middle. The slide 5 is moved along the housing 4 together with the manual valve 3 by inserting a tool into the through-hole.
In some embodiments of the invention, the controller is an FCU controller.
In the method for preventing the fuel cell from being started by mistake, after an operator presses a fuel cell start button, a fuel cell start instruction is sent to a VCU (vehicle Communication Unit, Chinese name is vehicle-mounted Communication device), the VCU sends the fuel cell start instruction to an FCU controller, the FCU controller conducts system initialization analysis and confirms the system state parameters of the fuel cell, if all the system parameters are normal and the state of a hydrogen bottle 2 manual valve 3 is completely closed or half opened, the FCU controller does not start the fuel cell and feeds back the state of the hydrogen bottle 2 manual valve 3 to the VCU, and the VCU sends the hydrogen bottle 2 manual valve 3 to an instrument to be completely closed, the fuel cell cannot be started or the hydrogen bottle 2 manual valve 3 is half opened, the fuel cell cannot be started, and the VCU is used for prompting the operator.
In summary, in the method for preventing the fuel cell from being started by mistake, according to the condition that the current displacement of the manual valve 3 is smaller than the first preset displacement, the gas circuit for communicating the hydrogen bottle 2 and the fuel cell is controlled to be disconnected, and the displacement of the manual valve 3 of the hydrogen bottle 2 is used as a judgment condition for starting the fuel cell, so that the abnormal starting of the fuel cell caused by the misoperation of an operator is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method of preventing false start of a fuel cell, the method comprising the steps of:
acquiring the current displacement of the manual valve;
and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the first preset displacement.
2. The method for preventing the false start of the fuel cell according to claim 1, wherein the controlling the hydrogen gas path of the hydrogen cylinder communicating with the fuel cell to be in the disconnection state according to the current displacement amount of the manual valve being smaller than the first preset displacement amount comprises:
and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the first preset displacement and larger than the second preset displacement, wherein the first preset displacement is larger than the second preset displacement.
3. The method for preventing the false start of the fuel cell according to claim 2, wherein the controlling the hydrogen gas path of the hydrogen cylinder communicating with the fuel cell to be in the disconnection state according to the current displacement amount of the manual valve being smaller than the first preset displacement amount comprises:
and controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than the second preset displacement.
4. The method for preventing the false start of the fuel cell according to claim 1, wherein the controlling the hydrogen path of the hydrogen bottle communicating with the fuel cell to be in the disconnected state comprises:
and controlling the electromagnetic valve on the gas path communicated with the fuel cell to close.
5. An apparatus for preventing false start of a fuel cell, which is used for performing the method for preventing false start of a fuel cell according to claim 1, the apparatus comprising: obtain unit, comparing element and gas circuit connection control unit, wherein:
the acquisition unit is used for acquiring the current displacement of the manual valve;
the comparison unit is used for comparing the current displacement of the manual valve with the first preset displacement;
and the gas path connection control unit is used for controlling a hydrogen path communicated with the fuel cell to be in a disconnected state according to the fact that the current displacement of the manual valve is smaller than a first preset displacement.
6. A system for preventing false start of a fuel cell, the control system comprising a memory and the device for preventing false start of a fuel cell of claim 5, the memory storing therein instructions of the method for preventing false start of a fuel cell of any one of claims 1 to 4;
further comprising: the hydrogen storage device comprises a manual valve, a controller, a hydrogen bottle, a fuel cell and an electromagnetic valve; the manual valve is arranged at the gas outlet of the hydrogen bottle, a displacement sensor is arranged on the manual valve, the manual valve is communicated with the fuel cell through a gas path, and an electromagnetic valve is arranged on the gas path;
and the controller receives the signal of the displacement sensor and controls the electromagnetic valve to be opened or closed.
7. The system for preventing the false start of a fuel cell according to claim 6, wherein a housing is provided at the gas outlet of the hydrogen cylinder, the manual valve is movable along the axis of the housing, a slider is provided on the manual valve, and the displacement sensor is located on the slider.
8. The system for preventing false start of a fuel cell according to claim 7, wherein a spring is provided between the slider and the manual valve, and the spring fixes the slider to the manual valve by an elastic force.
9. The system for preventing false start of a fuel cell according to claim 7, wherein a through hole is provided in the middle of the slider.
10. The system for preventing false start of a fuel cell according to claim 6, wherein the controller is an FCU controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361117.1A CN111146475B (en) | 2019-12-25 | 2019-12-25 | Method, device and system for preventing fuel cell from being started by mistake |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911361117.1A CN111146475B (en) | 2019-12-25 | 2019-12-25 | Method, device and system for preventing fuel cell from being started by mistake |
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| CN111146475A true CN111146475A (en) | 2020-05-12 |
| CN111146475B CN111146475B (en) | 2021-06-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112092627A (en) * | 2020-08-14 | 2020-12-18 | 东风柳州汽车有限公司 | Automobile-used hydrogen leakage detection system |
| CN113586944A (en) * | 2021-07-23 | 2021-11-02 | 上海氢枫能源技术有限公司 | Vehicle-mounted bottle hydrogen controller |
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| CN2152992Y (en) * | 1993-02-20 | 1994-01-12 | 袁培茂 | Automatic control valve for gaseous fuel |
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| CN112092627A (en) * | 2020-08-14 | 2020-12-18 | 东风柳州汽车有限公司 | Automobile-used hydrogen leakage detection system |
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| CN113586944A (en) * | 2021-07-23 | 2021-11-02 | 上海氢枫能源技术有限公司 | Vehicle-mounted bottle hydrogen controller |
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| Publication number | Publication date |
|---|---|
| CN111146475B (en) | 2021-06-22 |
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