CN218972407U - Solid-state hydrogen storage bottle filling system - Google Patents

Solid-state hydrogen storage bottle filling system Download PDF

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Publication number
CN218972407U
CN218972407U CN202223438595.8U CN202223438595U CN218972407U CN 218972407 U CN218972407 U CN 218972407U CN 202223438595 U CN202223438595 U CN 202223438595U CN 218972407 U CN218972407 U CN 218972407U
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China
Prior art keywords
hydrogen
hydrogen storage
storage bottle
unit
cooling
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CN202223438595.8U
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蔡开南
李涛
绳新发
袁齐马
叶雪峰
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Chongqing Dida Industrial Technology Research Institute Co ltd
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Chongqing Dida Industrial Technology Research Institute Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

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Abstract

The utility model relates to the technical field of hydrogen storage and hydrogen supply, in particular to a solid-state hydrogen storage bottle filling system. The utility model provides a solid-state hydrogen storage bottle filling system, includes a plurality of hydrogen storage bottles, hydrogen source, hydrogen conveyor, reposition of redundant personnel unit and hydrogen bottle cooling device, hydrogen conveyor with the hydrogen source is connected, and it is used for carrying hydrogen, its end of giving vent to anger with reposition of redundant personnel unit is connected, be equipped with on the reposition of redundant personnel unit with a plurality of hydrogen storage bottle one-to-one's hydrogen delivery outlet, the hydrogen storage bottle with the correspondence hydrogen delivery outlet intercommunication, hydrogen bottle cooling device is used for cooling a plurality of the hydrogen storage bottle. The solid hydrogen storage bottle filling system provided by the utility model not only can realize filling of a plurality of hydrogen storage bottles and improve the filling efficiency of hydrogen, but also can reduce the gas temperature in the bottle body of the hydrogen storage bottle in the filling process, meet the filling condition, improve the hydrogenation efficiency, monitor the concentration value of hydrogen, prevent the hydrogen from accumulating in a large area and solve the potential safety hazard in the hydrogen filling process.

Description

Solid-state hydrogen storage bottle filling system
Technical Field
The utility model relates to the technical field of hydrogen storage and hydrogen supply, in particular to a solid-state hydrogen storage bottle filling system.
Background
At present, a plurality of sharing type hydrogen fuel bicycles are put forward on the market, most of the bicycles adopt low-pressure metal hydrogen storage solid-state bottles, and a small part of the bicycles use gaseous high-pressure bottles, so that the solid-state hydrogen storage bottles release a large amount of heat when filling hydrogen, and the bicycles need to be cooled physically, so that the hydrogenation time is too long, the pressure change is monitored and observed by manpower, and an efficient and safe filling device cannot be provided.
Disclosure of Invention
In view of this, the present utility model provides a solid state hydrogen storage bottle filling system.
The utility model provides a solid-state hydrogen storage bottle filling system, includes a plurality of hydrogen storage bottles, hydrogen source, hydrogen conveyor, reposition of redundant personnel unit and hydrogen bottle cooling device, hydrogen conveyor with the hydrogen source is connected, and it is used for carrying hydrogen, its end of giving vent to anger with reposition of redundant personnel unit is connected, be equipped with on the reposition of redundant personnel unit with a plurality of hydrogen storage bottle one-to-one's hydrogen delivery outlet, the hydrogen storage bottle with the correspondence hydrogen delivery outlet intercommunication, hydrogen bottle cooling device is used for cooling a plurality of the hydrogen storage bottle.
Further, the hydrogen conveying device comprises a first filter, a first pressure reducing valve and a hydrogen flow control assembly, the hydrogen flow control assembly is used for controlling the opening and closing of a hydrogen conveying path and is respectively connected with the hydrogen source and the gas path of the flow dividing unit, the first filter and the first pressure reducing valve are sequentially installed on a gas path pipeline of the hydrogen source and the hydrogen flow control assembly along the hydrogen conveying direction, and the gas path pipeline between the first filter and the first pressure reducing valve is composed of a high-pressure hose and a stainless steel pipe.
Further, a pressure detection unit is arranged on a gas path pipeline of the hydrogen flow control assembly communicated with the flow dividing unit, and the pressure detection unit is used for detecting the pressure of hydrogen in the gas path pipeline.
Further, the hydrogen flow control assembly comprises a pneumatic valve, a nitrogen source, a second filter and a second pressure reducing valve, wherein the pneumatic valve is installed between the first pressure reducing valve and the pressure detection unit, the air outlet end of the nitrogen source, the second filter and the second pressure reducing valve are sequentially connected through an air passage pipeline and communicated with the pneumatic valve, and the air passage pipeline between the second filter and the second pressure reducing valve is composed of a high-pressure hose and a stainless steel tube.
Further, the flow dividing unit is a gas busbar, and each gas outlet of the gas busbar is connected with a high-pressure hose.
Further, the hydrogen bottle cooling device comprises a cooling water tank and a cooling unit, wherein through holes which are fixed with a plurality of hydrogen storage bottles one by one are formed in the upper end of the cooling water tank, the bottoms of the hydrogen storage bottles penetrate through the corresponding through holes to penetrate deep into the cooling water tank, water is arranged in the cooling water tank, and the cooling unit is used for cooling the water.
Further, a water temperature detection unit is arranged in the cooling water tank and is used for monitoring the temperature of water in the cooling water tank.
Further, the top of coolant tank is equipped with the gas absorption cover, the absorption cover is the funnel form, and its horn mouth orientation the hydrogen storage bottle sets up, is equipped with hydrogen detecting element in it, hydrogen detecting element is used for detecting hydrogen, hydrogen detecting element is connected with alarm unit, works as after hydrogen detecting element detects hydrogen, alarm unit starts the warning.
Further, the hydrogen detection unit is a hydrogen leakage detection sensor, and the alarm unit is a buzzer alarm.
The technical scheme provided by the utility model has the beneficial effects that: the solid hydrogen storage bottle filling system not only can realize filling of a plurality of hydrogen storage bottles and improve the filling efficiency of hydrogen, but also can ensure that the temperature of the bottle body of the hydrogen storage bottle is not too high in the filling process, meets the filling condition, improves the hydrogenation efficiency and can solve the potential safety hazard in the hydrogen filling process; in addition, through being equipped with hydrogen concentration detection device, stop hydrogen large tracts of land and pile up, reduce the risk that hydrogen leaked, improve the security performance of filling system.
Drawings
FIG. 1 is a schematic diagram of a solid hydrogen storage bottle filling system according to the present utility model;
FIG. 2 is a schematic view of a hydrogen delivery device according to the present utility model;
fig. 3 is a schematic structural view of an embodiment of the cooling unit according to the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-3, an embodiment of the present utility model provides a solid hydrogen storage bottle filling system, which includes a plurality of hydrogen storage bottles, a hydrogen source 20, a hydrogen conveying device, a split unit 10 and a hydrogen bottle cooling device, wherein the hydrogen conveying device is connected with the hydrogen source 20 and is used for conveying hydrogen, an air outlet end of the hydrogen conveying device is connected with the split unit 10, the split unit 10 is provided with hydrogen output ports corresponding to the hydrogen storage bottles one by one, the hydrogen storage bottles are communicated with the corresponding hydrogen output ports, and the hydrogen bottle cooling device is used for cooling the hydrogen storage bottles.
In the present utility model, the hydrogen source 20 is a steel bottle for storing hydrogen, and under the action of the split-flow unit 10, the hydrogen transported from the hydrogen source 20 can be simultaneously filled into a plurality of hydrogen storage bottles, so as to improve the hydrogen filling efficiency of the hydrogen storage bottles. And the heat released in the process of storing the hydrogen in the hydrogen storage bottle can be cooled by the hydrogen bottle cooling device, so that the temperature and the pressure of the hydrogen storage bottle are both ensured to be within a safe range, the potential safety hazard caused by the high temperature generated in the process of inflating the hydrogen storage bottle is solved, and the safety performance is improved. The filling system can realize that hydrogen with the filling pressure of 3.2-3.4 Mpa is simultaneously conveyed into a plurality of hydrogen storage bottles, thereby reducing the production cost and improving the production efficiency.
In the above embodiment, the hydrogen delivery device includes a first filter 30, a first pressure reducing valve 31 and a hydrogen flow control assembly 100, where the hydrogen flow control assembly 100 is used to control the opening and closing of a hydrogen delivery path, and is connected to the hydrogen source 20 and the split unit 10 in a gas path, the first filter 30 and the first pressure reducing valve 31 are sequentially installed on a gas path pipeline between the hydrogen source 20 and the hydrogen flow control assembly 100 along the hydrogen delivery direction, and the gas path pipeline between the first filter 30 and the first pressure reducing valve 31 is composed of a high-pressure hose 32 and a stainless steel pipe.
In the present utility model, the first filter 30 is used for filtering out solid particles and powder impurities in hydrogen, the model is VIGOUR 1/4NPT (F) -1/4NPT (M) 3000psi, the first pressure reducing valve 31 is used for reducing the pressure of the hydrogen input into the hydrogen storage bottle, the model is VIGOUR WSP-3, because the hydrogen source 20 is a steel bottle, the pipeline connected with the air outlet end of the hydrogen source 20 is designed as a high pressure hose 32 for convenient pipeline installation, the high pressure hose 32 is soft, the disassembly and assembly are convenient, and the convenience of the connection with the air outlet end of the hydrogen source 20 can be improved.
In the above embodiment, the hydrogen flow control assembly 100 is provided with a pressure detecting unit 40 on a gas path pipeline that is in communication with the flow dividing unit 10, and the pressure detecting unit 40 is used for detecting the pressure of the hydrogen in the gas path pipeline.
In the present utility model, the pressure detecting unit 40 is a pressure sensor, the model of which is SENEX25Mpa, the controller is connected with the pressure sensor and the hydrogen flow control assembly 100, when the pressure sensor detects that the hydrogen pressure is greater than a set value or the hydrogen pressure is stabilized for 25min, the controller controls the hydrogen flow control assembly 100 to close and cut off the hydrogen delivery, when the hydrogen pressure is less than the set value and greater than 0.2Mpa, the controller controls the hydrogen flow control assembly 100 to close and open the hydrogen delivery, and the filling conditions are repeated until the hydrogen pressure is stabilized within a range of-0.2 Mpa to 0Mpa, and the filling is completed. The repeated pressurization is performed without manual monitoring and judgment, and the pressure detection unit 40 can maintain the stability of the hydrogen pressure of the filling system, so that the hydrogen filling efficiency is prevented from being influenced by the excessive hydrogen pressure.
In the above embodiment, the hydrogen flow control assembly 100 includes the pneumatic valve 50, the nitrogen source 51, the second filter 52 and the second pressure reducing valve 53, the pneumatic valve 50 is installed between the first pressure reducing valve 31 and the pressure detecting unit 40, the air outlet end of the nitrogen source 51, the second filter 52 and the second pressure reducing valve 53 are sequentially connected through an air path pipeline and are communicated with the pneumatic valve 50, and the air path pipeline between the second filter 52 and the second pressure reducing valve 53 is composed of the high pressure hose 32 and the stainless steel pipe.
In the utility model, the nitrogen source 51 is a steel cylinder for storing nitrogen, the nitrogen passes through the second pressure reducing valve 53 to the pneumatic valve 50, so as to achieve the purpose of adjusting the opening and closing of the pneumatic valve 50, the pneumatic valve 50 is electrically connected with the controller, and the operation of the pneumatic valve 50 is controlled by the controller. In the present utility model, pneumatic valve 50 is of the type burker DN20F03.
In the above embodiment, the flow dividing unit 10 is a gas bus, and each gas outlet of the gas bus is connected with a high pressure hose 32.
In the utility model, the gas bus has the advantages of low implementation cost, convenient operation and the like. In order to stabilize the air pressure of the filling system, a pressure relief valve 101 is arranged at the output end of the air bus air channel, and can discharge the pressure in the air bus air channel pipeline, and the residual pressure in the pipe is discharged after the filling is finished.
In the above embodiment, the hydrogen bottle cooling device includes a cooling water tank 60 and a cooling unit, wherein the upper end of the cooling water tank 60 is provided with through holes that are fixed with a plurality of hydrogen storage bottles one by one, the bottom of the hydrogen storage bottle passes through the corresponding through holes and goes deep into the cooling water tank 60, water is provided in the cooling water tank 60, and the cooling unit is used for cooling the water.
In the present utility model, in order to fix the hydrogen storage bottle in the through hole and prevent the hydrogen storage bottle from shaking when inflated, a rubber ring 61 may be provided in the through hole to effect fixation of the hydrogen storage bottle body. The heat exchange is carried out between the water and the hydrogen storage bottle, so that the purpose of cooling the hydrogen storage bottle is achieved. And the cooling unit is adopted to cool the water, so that the water temperature is regulated, and the refrigeration effect and the heat exchange effect are ensured. The specific implementation structure of the cooling unit is not limited in the present utility model, and any structure capable of cooling water in the cooling water tank 60 in the prior art may be used as a specific embodiment of the cooling unit in the present utility model, for example, a condensing sheet is installed in the cooling water tank 60. The hydrogen bottle cooling device has the advantages of simple structure, convenient operation, good heat exchange effect and the like.
As a specific example of the cooling unit of the present utility model, as shown in fig. 3, the cooling unit includes an evaporator 70, a compressor 71, a cooling assembly, a liquid storage tank 73, a third filter 74, a water tank 75, a water pump 76, and a regulating valve 77;
the cooling water tank 60 is provided with a liquid inlet and a liquid outlet, the evaporator 70 is respectively connected with the liquid outlet and the liquid inlet of the cooling water tank 60, the liquid outlet of the compressor 71, the third filter 74 and the liquid inlet of the water tank 75 are connected, the gas outlet of the compressor 71 is respectively connected with the cooling assembly and the liquid inlet of the evaporator 70, the liquid storage tank 73 is respectively connected with the liquid outlet of the cooling assembly and the liquid inlet of the third filter 74, the water tank 75 is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet and the second liquid outlet are both communicated with the liquid inlet of the cooling water tank 60, a water pump 76 is arranged on a liquid inlet communicating pipe of the first liquid outlet and the cooling water tank 60, and a regulating valve 77 is arranged on a liquid inlet communicating pipe of the second liquid outlet and the cooling water tank 60. Wherein the cooling assembly comprises a condenser 701 and a cooling fan 702.
The cooling principle of the cooling unit is that the cooling liquid passing through the filter enters the evaporator 70 to be vaporized, the state of the cooling liquid is a gas refrigerant, the compressor 71 continuously extracts the generated gas from the evaporator 70 and compresses the gas into isobaric cooling and condensation, the vapor is sent into the condenser to exchange heat with air, the vapor is condensed into liquid after heat release, and the liquid enters the evaporator 70 again after passing through the liquid storage tank 73 and the third filter 74, and then enters the compressor again to start a new cycle. The refrigerant system makes water and refrigerant exchange heat through the shell and tube evaporator, so that the water is cooled to generate cold water, enters the water tank 75, returns to the cooling water tank 60 under the action of the water pump 76, or adjusts the water quantity entering the cooling water tank 60 through the adjusting valve 77 so as to achieve the purpose of cooling the water in the cooling water tank 60, and it is noted that the cooling structure consisting of the evaporator 70 and the like belongs to the prior art, and the cooling principle is that the related parts belong to the prior art, therefore, the model and the working principle of the parts such as the evaporator 70 are not repeated.
In the above embodiment, the cooling water tank 60 is provided with a water temperature detecting unit 62, and the water temperature detecting unit 62 is used for monitoring the temperature of the water in the cooling water tank 60.
In the utility model, the water temperature detection unit 62 is a temperature sensor, the model of which is a ZP-K integrated platinum thermal resistance temperature transmitter, and the temperature sensor has the advantages of high detection sensitivity, high precision, good stability, low implementation cost and the like. In order to realize intelligent adjustment of the water temperature in the cooling water tank 60, the cooling unit and the temperature sensor are electrically connected with the controller, the controller receives the water temperature information and controls the cooling unit to work so as to control the water temperature in the cooling water tank 60 within a preset range, which is also in the prior art, and the working principle of the controller for controlling the cooling unit and the temperature sensor to work is not repeated.
In the above embodiment, the gas absorbing cover 80 is disposed above the cooling water tank 60, the absorbing cover is funnel-shaped, the bell mouth of the absorbing cover faces the hydrogen storage bottle, a hydrogen detection unit 81 is disposed in the absorbing cover, the hydrogen detection unit 81 is used for detecting hydrogen, the hydrogen detection unit 81 is connected with the alarm unit 82, and when the hydrogen detection unit 81 detects hydrogen, the alarm unit 82 starts an alarm.
In the above embodiment, in order to secure the detection effect of hydrogen leakage, the diameter of the gas absorbing cap 80 cap opening should be larger than the length of the bus bar. The hydrogen detection unit 81 and the alarm unit 82 are electrically connected with the controller, when hydrogen leaks on the bus pipe, the hydrogen detection unit 81 detects that the concentration of the hydrogen is larger than a preset value, signals the controller, the controller controls the alarm unit 82 to work, the controller judges the monitored value and sends alarm information, and meanwhile, the controller controls the pneumatic valve 50 to be closed, the hydrogen filling loop is disconnected, and filling is stopped. Through setting up hydrogen detection unit 81 and alarm unit 82, can reach the purpose that in time detects hydrogen and reveal, reduce the risk that hydrogen leaked, improve the security performance of filling system.
In the above embodiment, the hydrogen gas detecting unit 81 is a hydrogen gas leakage detecting sensor, and the alarm unit 82 is a buzzer alarm.
In the utility model, the model of the hydrogen leakage detection sensor is the Fischer TGS821, and the hydrogen leakage detection sensor has the advantages of sensitive detection result, low implementation cost and the like.
Of course, the above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, so that all equivalent modifications made in the principles of the present utility model are included in the scope of the present utility model.

Claims (9)

1. The utility model provides a solid-state hydrogen storage bottle filling system which characterized in that, includes a plurality of hydrogen storage bottles, hydrogen source, hydrogen conveyor, reposition of redundant personnel unit and hydrogen bottle cooling device, hydrogen conveyor with the hydrogen source is connected, and it is used for carrying hydrogen, its end of giving vent to anger with reposition of redundant personnel unit is connected, be equipped with on the reposition of redundant personnel unit with a plurality of hydrogen storage bottle one-to-one's hydrogen delivery outlet, the hydrogen storage bottle with the correspondence hydrogen delivery outlet intercommunication, hydrogen bottle cooling device is used for cooling a plurality of hydrogen storage bottle.
2. The solid-state hydrogen storage bottle filling system according to claim 1, wherein the hydrogen conveying device comprises a first filter, a first pressure reducing valve and a hydrogen flow control assembly, the hydrogen flow control assembly is used for controlling opening and closing of a hydrogen conveying path and is respectively connected with the hydrogen source and the gas path of the flow dividing unit, the first filter and the first pressure reducing valve are sequentially installed on a gas path pipeline which is communicated with the hydrogen flow control assembly along the hydrogen conveying direction, and the gas path pipeline between the first filter and the first pressure reducing valve is composed of a high-pressure hose and a stainless steel tube.
3. The solid-state hydrogen storage bottle filling system according to claim 2, wherein a pressure detection unit is arranged on a gas path pipeline of the hydrogen flow control assembly communicated with the flow dividing unit, and the pressure detection unit is used for detecting the pressure of hydrogen in the gas path pipeline.
4. A solid state hydrogen storage bottle filling system as claimed in claim 3 wherein the hydrogen flow control assembly comprises a pneumatic valve, a nitrogen source, a second filter and a second pressure reducing valve, the pneumatic valve is mounted between the first pressure reducing valve and the pressure detecting unit, the gas outlet end of the nitrogen source, the second filter and the second pressure reducing valve are connected in sequence by a gas circuit pipeline and are communicated with the pneumatic valve, and the gas circuit pipeline between the second filter and the second pressure reducing valve is composed of a high pressure hose and a stainless steel pipe.
5. The solid state hydrogen storage bottle filling system of claim 1, wherein the flow dividing unit is a gas busbar, and each gas outlet of the gas busbar is connected with a high pressure hose.
6. The solid hydrogen storage bottle filling system according to claim 1, wherein the hydrogen bottle cooling device comprises a cooling water tank and a cooling unit, through holes which are fixed with a plurality of hydrogen storage bottles one by one are formed in the upper end of the cooling water tank, the bottoms of the hydrogen storage bottles penetrate through the corresponding through holes to penetrate deep into the cooling water tank, water is arranged in the cooling water tank, and the cooling unit is used for cooling the water.
7. The solid state hydrogen storage bottle filling system according to claim 6, wherein a water temperature detection unit is arranged in the cooling water tank, and the water temperature detection unit is used for monitoring the temperature of water in the cooling water tank.
8. The solid-state hydrogen storage bottle filling system according to claim 6, wherein a gas absorbing cover is arranged above the cooling water tank, the absorbing cover is funnel-shaped, a horn mouth of the absorbing cover faces the hydrogen storage bottle, a hydrogen detection unit is arranged in the absorbing cover, the hydrogen detection unit is used for detecting hydrogen, the hydrogen detection unit is connected with an alarm unit, and the alarm unit starts an alarm after the hydrogen detection unit detects the hydrogen.
9. The solid state hydrogen storage bottle filling system of claim 8, wherein the hydrogen gas detection unit is a hydrogen gas leakage detection sensor and the alarm unit is a buzzer alarm.
CN202223438595.8U 2022-12-21 2022-12-21 Solid-state hydrogen storage bottle filling system Active CN218972407U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223438595.8U CN218972407U (en) 2022-12-21 2022-12-21 Solid-state hydrogen storage bottle filling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223438595.8U CN218972407U (en) 2022-12-21 2022-12-21 Solid-state hydrogen storage bottle filling system

Publications (1)

Publication Number Publication Date
CN218972407U true CN218972407U (en) 2023-05-05

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ID=86151103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223438595.8U Active CN218972407U (en) 2022-12-21 2022-12-21 Solid-state hydrogen storage bottle filling system

Country Status (1)

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CN (1) CN218972407U (en)

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