CN113028278A - Hydrogen energy light truck high-pressure hydrogen storage system - Google Patents
Hydrogen energy light truck high-pressure hydrogen storage system Download PDFInfo
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- CN113028278A CN113028278A CN202110352952.XA CN202110352952A CN113028278A CN 113028278 A CN113028278 A CN 113028278A CN 202110352952 A CN202110352952 A CN 202110352952A CN 113028278 A CN113028278 A CN 113028278A
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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
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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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
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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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
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F17C13/04—Arrangement or mounting of valves
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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
- F17C13/06—Closures, e.g. cap, breakable member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
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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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
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- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
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- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
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- F17C2205/0323—Valves
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- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0329—Valves manually actuated
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- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
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- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
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- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
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- 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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- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
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- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
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- F17C2250/072—Action when predefined value is reached
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- F17C2265/00—Effects achieved by gas storage or gas handling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0184—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
- Y02E60/32—Hydrogen storage
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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
Abstract
The invention discloses a high-pressure hydrogen storage system of a hydrogen energy light truck, which specifically comprises a first hydrogen storage module, a second hydrogen storage module, a hydrogenation port module, a hydrogen outlet module and a galvanic pile; the first hydrogen storage module and the second hydrogen storage module are connected in parallel; the hydrogenation port module is respectively communicated with the first hydrogen storage module and the second hydrogen storage module; the hydrogen outlet module is respectively communicated with the first hydrogen storage module and the second hydrogen storage module; the first hydrogen storage module and the second hydrogen storage module are respectively provided with a first temperature sensor and a second temperature sensor; a flow path between the first hydrogen storage module and the hydrogen outlet is provided with a first temperature-driven safety pressure relief module; a flow path between the second hydrogen storage module and the hydrogen outlet is connected in series with a second temperature-driven safety pressure relief module; the galvanic pile is connected with the hydrogen outlet module. The arrangement mode of the system adopts an integrated design, each component is treated in a modularized mode, the cargo space of the whole vehicle is improved, the hydrogen storage capacity of the system can be greatly improved, and the long-endurance mileage requirement is met.
Description
Technical Field
The invention belongs to the technical field of high-pressure hydrogen storage, and particularly relates to a hydrogen energy light truck high-pressure hydrogen storage system.
Background
Under the situation of increasingly tense energy supply, the development of new energy trucks is imminent. The hydrogen energy is undoubtedly the best choice as the fuel for trucks, and the hydrogen fuel cell technology is always considered as the ultimate proposal for solving the future human energy crisis by utilizing the hydrogen energy.
Although the key technology of the fuel cell engine has been basically broken through, the fuel cell industrialization technology needs to be further improved and promoted to mature.
At present, fuel cell vehicles are applied to various types of commercial vehicles, such as buses, logistics vehicles, passenger vehicles, trucks and the like, and the storage of hydrogen fuel is a vital technology and becomes a bottleneck of hydrogen energy utilization in scale. The hydrogen storage problem relates to all links of hydrogen production, transportation, final application and the like, the hydrogen storage problem is not solved, and the application of hydrogen energy is difficult to popularize. Hydrogen is a gas, which is more difficult to transport and store than solid coal, liquid petroleum. Generally, hydrogen can be stored as a gas, liquid, compound, or the like. The storage modes of hydrogen mainly include high-pressure gaseous hydrogen storage, low-temperature liquid hydrogen storage, hydrogen storage material hydrogen storage and the like.
In the prior art, two traditional hydrogen storage methods are available, one method is to use a high-pressure steel cylinder (hydrogen cylinder) to store hydrogen, but the volume of the steel cylinder for storing hydrogen is small, the mass density of hydrogen storage is small, and the steel cylinder also has the danger of explosion; another approach is to store liquid hydrogen, but the liquid storage tanks are very bulky and require excellent insulation means to insulate. And the filling amount of the compressed hydrogen is limited by the carrying capacity of the vehicle body, and the endurance of the truck for a certain mileage cannot be met, namely the requirement of higher application cannot be met. Therefore, on the premise of meeting the safety, the improvement of the hydrogen storage pressure of the container is needed to increase the hydrogen storage density, meet the long-term endurance requirement, simplify the hydrogen storage equipment and meet the installation requirement.
Disclosure of Invention
The invention provides a high-pressure hydrogen storage system of a hydrogen energy light truck and a fuel cell truck, aiming at solving the problems that the hydrogen storage mass density of the hydrogen storage device of the existing hydrogen energy fuel cell truck is small, the requirement of long endurance mileage cannot be met, and the installation of hydrogen storage equipment is inconvenient.
According to an aspect of the present invention, there is provided a high pressure hydrogen storage system for a light hydrogen energy truck, comprising:
the hydrogen storage system comprises a first hydrogen storage module, a second hydrogen storage module, a hydrogenation port module, a hydrogen outlet module and a galvanic pile;
the hydrogen inlet module is communicated with the first hydrogen storage module and the hydrogen outlet module to form a first loop;
the hydrogen inlet module is communicated with the second hydrogen storage module and the hydrogen outlet module to form a second loop;
the first loop and the second loop are connected in parallel;
a first temperature sensor and a second temperature sensor are respectively arranged on the first hydrogen storage module and the second hydrogen storage module;
a flow path between the first hydrogen storage module and the hydrogen outlet is provided with a TPRD first temperature driving safety pressure relief module;
a TPRD (thermal Plastic to rubber) second temperature driving safety pressure relief module is connected in series on a flow path between the second hydrogen storage module and the hydrogen outlet;
the galvanic pile is connected with the hydrogen outlet module.
Further, the first hydrogen storage module comprises a first hydrogen storage bottle and a first bottle valve group module which are communicated;
the first bottle valve group module comprises a first overflowing valve, a first electromagnetic valve, a first manual valve and a first filter which are sequentially connected in series;
the first electromagnetic valve is connected with the second one-way valve in parallel;
and a first pressure sensor is arranged on a flow path between the first electromagnetic valve and the first overflowing valve.
Further, the second hydrogen storage module comprises a second hydrogen storage bottle and a second bottle valve group module which are communicated;
the second cylinder valve group module comprises a second overflowing valve, a second electromagnetic valve, a second manual valve and a second filter which are sequentially connected in series;
the second electromagnetic valve is connected with the third one-way valve in parallel;
and a second pressure sensor is arranged on a flow path between the second electromagnetic valve and the second overflowing valve.
Further, the hydrogenation port module comprises a hydrogenation port, a filter and a first one-way valve which are sequentially connected in series.
Further, the hydrogen outlet module comprises a pressure reducing valve bank and a hydrogen outlet;
further, the pressure reducing valve group comprises a main pressure reducing valve, a third pressure sensor, a third manual valve and a PRV pressure reducing valve.
Further, the primary pressure reducing valve is provided in series with the third manual valve;
the third manual valve, the third pressure sensor and the PRV pressure relief valve are arranged in parallel.
Further, the TPRD first temperature-driven safety pressure relief module and the TPRD second temperature-driven safety pressure relief module are respectively communicated with the hydrogen outlet.
Further, the first overflowing valve and the second overflowing valve are respectively communicated with the first one-way valve;
the first overflowing valve and the second overflowing valve are respectively communicated with the main reducing valve.
Compared with the traditional vehicle-mounted hydrogen storage system, the invention has the following advantages: the arrangement mode of the system adopts an integrated design, each component is treated in a modularized mode, the cargo space of the whole vehicle is increased on the premise of meeting the normal use requirement of a user, the hydrogen storage capacity of the system can be greatly increased, and the requirement of long-endurance mileage is met; compared with the prior art, the mass density of the system can also be maximized, far exceeds the same type of vehicle in the industry, and the competitive advantage is highlighted.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a high-pressure hydrogen storage system for a light hydrogen energy truck according to an embodiment of the present invention.
Detailed Description
The present invention will now be described in detail with reference to the drawings, wherein the specific embodiments and descriptions are provided for illustration only and not for the purpose of limiting the invention.
As shown in fig. 1, the first embodiment discloses a high-pressure hydrogen storage system of a hydrogen energy light truck, which comprises two hydrogen storage modules, a hydrogen inlet module, a hydrogen outlet module and a galvanic pile module, wherein the modules can be installed in a matching manner by adopting connecting pieces with the same type to form a hydrogen passage;
specifically, two hydrogen storage modules with the same structure are arranged in parallel, namely the modules with upper and lower hydrogen storage bottles in fig. 1; the hydrogen inlet module and the hydrogen outlet module are respectively communicated with the two hydrogen storage modules, each hydrogen storage module comprises a 35MPa hydrogen storage bottle and a bottle valve module which are communicated, the maximum volume of the hydrogen storage bottle can reach 260L, and the maximum hydrogen storage amount can reach 12.22 KG; the cylinder valve module comprises an overflow valve, an electromagnetic valve, a manual valve and a filter which are sequentially connected in series; the electromagnetic valve is connected with the one-way valve in parallel, and a first pressure sensor is arranged on a flow path between the electromagnetic valve and the overflowing valve; the hydrogen storage bottle is also provided with a temperature sensor and a TPRD thermal hydrant, wherein the TPRD thermal hydrant is arranged in the high-pressure hydrogen bottle, so that the hydrogen bottle can be prevented from exploding due to peripheral ignition.
The working principle of the TPRD hot-melt bolt is that once the temperature sensor detects that the peripheral temperature of the hydrogen storage bottle is overhigh, the hot-melt bolt in the hydrogen bottle is melted, so that the hydrogen is released at a low flow rate, and if a peripheral fire source exists, the hydrogen is slowly combusted, so that the detonation condition is avoided.
The hydrogenation port, the filter and the one-way valve are connected in series to form a hydrogenation port module; the hydrogen outlet module comprises a pressure reducing valve bank and a hydrogen outlet; the pressure reducing valve group comprises a main pressure reducing valve, a pressure sensor, a manual valve and a PRV pressure reducing valve, and the main pressure reducing valve and the manual valve are arranged in series; the manual valve, the pressure sensor and the PRV pressure release valve are arranged in parallel; the TPRD hot melting plugs on the two hydrogen storage modules are respectively communicated with the hydrogen outlet, and the overflowing valves on the two hydrogen storage modules are respectively communicated with the one-way valve of the hydrogen inlet and connected with the main pressure reducing valve on the pressure reducing valve group.
In another embodiment, the high-pressure hydrogen storage system is formed by connecting more than two hydrogen storage modules and other modules in parallel, the capacity of a hydrogen storage bottle of each hydrogen storage module can be selected according to the different models of the applicable vehicles and the actual conditions, and the connection mode among the modules can also be selected from various connection modes which can realize the connection of the modules so as to form a hydrogen passage, such as clamping connection, threaded connection and the like.
Before hydrogenation is carried out after first hydrogenation or vehicle maintenance and evacuation, nitrogen replacement and hydrogen replacement are carried out in sequence so as to ensure that the purity of hydrogen in the system meets the requirements of a fuel cell system.
Firstly, performing nitrogen replacement, connecting and locking a hydrogenation port with a nitrogen gas source, allowing high-pressure nitrogen to sequentially pass through the hydrogenation port, a filter, a one-way valve and a cylinder valve and enter a hydrogen bottle, simultaneously filling pipelines on the upstream and downstream of a pressure reducing valve, closing the nitrogen gas source when the pressure in the system reaches 1.5-2 MPa, opening a manual valve at the rear end of the pressure reducing valve, reducing the pressure of the high-pressure nitrogen in the system through the pressure reducing valve and then discharging the high-pressure nitrogen out of the system until the pressure at the high-pressure end of the system is 0.2MPa, and then closing the manual valve; the above operation procedure was repeated for a total of 5 times.
And then hydrogenation is carried out, a hydrogenation gun matched with a TN5 hydrogenation port is used, hydrogen sequentially passes through the hydrogenation port, a filter, a one-way valve, a flow-passing valve and a bottle valve to reach the hydrogen storage bottle, and the hydrogenation is stopped when the hydrogen is hydrogenated to 35 MPa.
Compared with the technical scheme of the traditional high-pressure hydrogen storage system, the system adopts the arrangement scheme of 35MPa two cylinder groups, and has the advantages that:
1. the hydrogen storage capacity is large, the water volume of a single hydrogen bottle can reach 260L, the hydrogen storage capacity is a 35MPa hydrogen bottle with the maximum volume in the industry at present, the maximum hydrogen storage capacity of the system can reach 12.22kg, and the requirement of long endurance mileage can be met;
2. the mass density is high, namely the mass density of the system can reach 4.88 percent, which is far superior to the same type of vehicles in the same industry, and the competitive advantage is highlighted;
3. the arrangement mode is centralized, and the arrangement mode of the system adopts an integrated design, so that the cargo space of the whole vehicle is increased on the premise of meeting the normal use requirements of users.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and scope of the present invention should be included in the present invention.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Claims (9)
1. A high pressure hydrogen storage system for a light-duty hydrogen card, said hydrogen storage system comprising:
the hydrogen storage system comprises a first hydrogen storage module, a second hydrogen storage module, a hydrogenation port module, a hydrogen outlet module and a galvanic pile;
the hydrogen inlet module is communicated with the first hydrogen storage module and the hydrogen outlet module to form a first loop;
the hydrogen inlet module is communicated with the second hydrogen storage module and the hydrogen outlet module to form a second loop;
the first loop and the second loop are connected in parallel;
a first temperature sensor and a second temperature sensor are respectively arranged on the first hydrogen storage module and the second hydrogen storage module;
a flow path between the first hydrogen storage module and the hydrogen outlet is provided with a TPRD first temperature driving safety pressure relief module;
a TPRD (thermal Plastic to rubber) second temperature driving safety pressure relief module is connected in series on a flow path between the second hydrogen storage module and the hydrogen outlet;
the galvanic pile is connected with the hydrogen outlet module.
2. The high pressure hydrogen storage system of claim 1, wherein:
the first hydrogen storage module comprises a first hydrogen storage bottle and a first bottle valve group module which are communicated;
the first bottle valve group module comprises a first overflowing valve, a first electromagnetic valve, a first manual valve and a first filter which are sequentially connected in series;
the first electromagnetic valve is connected with the second one-way valve in parallel;
and a first pressure sensor is arranged on a flow path between the first electromagnetic valve and the first overflowing valve.
3. The high pressure hydrogen storage system of claim 2, wherein: the second hydrogen storage module comprises a second hydrogen storage bottle and a second bottle valve group module which are communicated;
the second cylinder valve group module comprises a second overflowing valve, a second electromagnetic valve, a second manual valve and a second filter which are sequentially connected in series;
the second electromagnetic valve is connected with the third one-way valve in parallel;
and a second pressure sensor is arranged on a flow path between the second electromagnetic valve and the second overflowing valve.
4. The high pressure hydrogen storage system of claim 3, wherein:
the hydrogenation port module comprises a hydrogenation port, a filter and a first one-way valve which are sequentially connected in series.
5. The high pressure hydrogen storage system of claim 4, wherein:
the hydrogen outlet module comprises a pressure reducing valve bank and a hydrogen outlet.
6. A high pressure hydrogen storage system for a light-duty hydrogen truck as claimed in claim 5, wherein:
the pressure reducing valve group comprises a main pressure reducing valve, a third pressure sensor, a third manual valve and a PRV pressure reducing valve.
7. The high pressure hydrogen storage system of claim 6, wherein:
the main reducing valve is connected with the third manual valve in series;
the third manual valve, the third pressure sensor and the PRV pressure relief valve are arranged in parallel.
8. The high pressure hydrogen storage system of claim 5, wherein:
the TPRD first temperature driving safety pressure relief module and the TPRD second temperature driving safety pressure relief module are respectively communicated with the hydrogen outlet.
9. The high pressure hydrogen storage system of claim 5, wherein:
the first overflowing valve and the second overflowing valve are respectively communicated with the first one-way valve and the main reducing valve.
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| JP2006318810A (en) * | 2005-05-13 | 2006-11-24 | Nissan Motor Co Ltd | Fuel gas storage apparatus and method |
| CN207268376U (en) * | 2017-09-12 | 2018-04-24 | 张家港富瑞氢能装备有限公司 | A kind of fuel-cell vehicle on-board hydrogen system |
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