CN214068761U - Hydrogen supply device for hydrogen fuel cell - Google Patents
Hydrogen supply device for hydrogen fuel cell Download PDFInfo
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- CN214068761U CN214068761U CN202023323517.4U CN202023323517U CN214068761U CN 214068761 U CN214068761 U CN 214068761U CN 202023323517 U CN202023323517 U CN 202023323517U CN 214068761 U CN214068761 U CN 214068761U
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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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Abstract
The utility model provides a hydrogen fuel cell hydrogen gas supply device, which comprises a hydrogen supply port and an oxygen supply port which are arranged on a hydrogen fuel cell body, wherein the hydrogen supply port is provided with a gas cut-off alarm branch, a hydrogen protection branch and a hydrogen standby branch, and the hydrogen protection branch and the hydrogen standby branch are connected in parallel and then are connected with the gas cut-off alarm branch; the gas-cut-off alarm branch comprises a pressure-limiting valve and a two-way gas-cut-off alarm which are sequentially connected, and the two-way gas-cut-off alarm is connected with a hydrogen supply port; the hydrogen protection branch comprises a hydrogen tank, a filter, a one-way valve, a gas flowmeter and a first speed regulating valve which are connected in sequence; the reserve branch road of hydrogen is including reserve hydrogen cylinder, governing valve two, the pressure limiting valve of connecting in order, has solved in the past fuel cell hydrogen supply in-process can not effectively steady air feed, is not convenient for be equipped with the problem of gaseous replenishment with, the utility model discloses rational in infrastructure, effective steady input hydrogen, in time the gaseous input of compensation.
Description
Technical Field
The utility model relates to a hydrogen fuel cell hydrogen gas supply device belongs to hydrogen fuel cell technical field.
Background
A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. It is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, is not limited by Carnot cycle effect, and has high efficiency; meanwhile, no mechanical transmission part is arranged, so that no noise pollution is caused, and the discharged harmful gas is less. It follows that fuel cells are the most promising power generation technology from the viewpoint of energy conservation and ecological environment conservation.
In the prior art, when the hydrogen fuel cell is in use, the speed and pressure parameters of hydrogen input need to be strictly controlled, and in addition, when the hydrogen supply line breaks down and is disconnected, standby hydrogen needs to be provided in time, so that a hydrogen supply device for the hydrogen fuel cell is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydrogen fuel cell hydrogen gas supply device to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, effective steady input hydrogen, timely compensation gas input.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a hydrogen supply device for a hydrogen fuel cell comprises a hydrogen supply port and an oxygen supply port which are arranged on a hydrogen fuel cell body, wherein a gas cut-off alarm branch, a hydrogen protection branch and a hydrogen standby branch are arranged on the hydrogen supply port, and the hydrogen protection branch and the hydrogen standby branch are connected in parallel and then connected with the gas cut-off alarm branch;
the gas cut-off alarm branch comprises a pressure limiting valve and a two-way gas cut-off alarm which are sequentially connected, and the two-way gas cut-off alarm is connected with a hydrogen supply port;
the hydrogen protection branch comprises a hydrogen tank, a filter, a one-way valve, a gas flowmeter and a first speed regulating valve which are connected in sequence;
the hydrogen standby branch comprises a standby hydrogen cylinder, a second speed regulating valve and a pressure limiting valve which are connected in sequence.
Further, the two-way air-break alarm comprises a single chip microcomputer, an air pressure sensor, an alarm switch and a buzzer, wherein the air pressure sensor is arranged on the inner wall side of the two-way air-break alarm, the output end of the air pressure sensor is connected with the input end of the single chip microcomputer, and the output end of the single chip microcomputer is connected with the buzzer.
Furthermore, the input end of the alarm switch is connected with an external power supply, and the output end of the alarm switch is connected with the single chip microcomputer.
Further, the filter is a polyester fiber filter.
Further, the gas flowmeter is a turbine gas flowmeter.
Furthermore, the first speed regulating valve and the second speed regulating valve are both manual regulating ball valves.
The utility model has the advantages that:
1. the gas-cut-off alarm branch comprises a pressure-limiting valve and a two-way gas-cut-off alarm which are connected in sequence, wherein the two-way gas-cut-off alarm is connected with a hydrogen supply port and is used for alarming when the hydrogen supply is cut off;
2. the hydrogen protection branch of the utility model comprises a hydrogen tank, a filter, a one-way valve, a gas flowmeter and a regulating valve I which are connected in sequence; the hydrogen enters a one-way valve after being filtered by a filter, and the one-way valve prevents gas from flowing backwards;
3. the utility model discloses a reserve branch road of hydrogen is including the reserve hydrogen cylinder, governing valve two, the pressure limiting valve of connecting in order for urgent hydrogen supplies when hydrogen supply circuit breaks down.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a hydrogen supply device for a hydrogen fuel cell according to the present invention;
fig. 2 is a schematic diagram of the connection of the two-way gas-off alarm in the hydrogen supply device of the hydrogen fuel cell of the present invention;
in the figure: 1 hydrogen fuel cell body, 2 hydrogen supply ports, 3 oxygen supply ports, 4 two-way gas-off alarms, 41 alarm switches, 42 buzzers, 5 pressure limiting valves, 6 regulating valves I, 7 regulating valves II, 8 gas flow meters, 9 one-way valves, 10 filters, 11 hydrogen tanks and 12 standby hydrogen cylinders.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a hydrogen fuel cell hydrogen gas supply device, is including setting up hydrogen supply port 2, the oxygen supply port 3 on hydrogen fuel cell body 1, is provided with gas failure warning branch road, hydrogen protection branch road, the reserve branch road of hydrogen on the hydrogen supply port 2, and the hydrogen protection branch road is connected with the gas failure warning branch road after parallelly connected with the reserve branch road of hydrogen.
The utility model discloses a gas cut-off warning branch road is including the pressure-limiting valve 5 and the two-way gas cut-off alarm 4 that connect in order, and two-way gas cut-off alarm 4 is connected with hydrogen supply mouth 2 for report to the police when the hydrogen supply is interrupted.
The hydrogen protection branch of the utility model comprises a hydrogen tank 11, a filter 10, a one-way valve 9, a gas flowmeter 8 and a regulating valve I6 which are connected in sequence; the hydrogen is filtered by the filter 10 and enters the one-way valve 9, and the one-way valve 9 prevents the gas from flowing backwards.
The utility model discloses a reserve branch road of hydrogen is including the reserve hydrogen cylinder 12, governing valve two 7, the pressure limiting valve 5 that connect in order for urgent hydrogen supply when hydrogen supply line breaks down.
The utility model discloses a two-way air-break alarm 4 includes the singlechip, baroceptor, alarm switch 41 and bee calling organ 42, baroceptor sets up in 4 inner walls sides of two-way air-break alarm, the baroceptor output is connected with the singlechip input, the singlechip output is connected with bee calling organ 42, when the supply of gaseous interruption, the inside atmospheric pressure value of two-way air-break alarm 4 reduces, baroceptor transmits the atmospheric pressure value to the singlechip, the singlechip contrasts with predetermined atmospheric pressure value, atmospheric pressure value is less than the singlechip and predetermines the atmospheric pressure value when the pipeline, singlechip control circular telegram bee calling organ 42 sends the police dispatch newspaper, otherwise the singlechip is not supplied power to bee calling organ 42.
The utility model discloses an alarm switch 41 input is connected with external power supply, and alarm switch 41 output is connected with the singlechip, and when hydrogen fuel cell body 1 shut down, alarm switch 41 closed for buzzer 42 cuts off the power supply and closes.
The utility model discloses a governing valve 6 and governing valve two 7 are manual regulation ball valve for adjust hydrogen supply rate, gas flowmeter 8 is used for measuring the hydrogen quantity.
As an embodiment of the present invention: the hydrogen tank 11 is filtered by the filter 10 and then enters the one-way valve 9, the one-way valve 9 prevents gas from flowing backwards, then the hydrogen enters the regulating valve I6 through the gas flowmeter 8, the flow rate of the hydrogen is regulated by manually controlling the opening degree of the regulating valve I6, then the hydrogen is subjected to pressure limiting through the pressure limiting valve 5 and enters the hydrogen supply port 2 through the two-way gas cut-off alarm 4;
when hydrogen in the hydrogen protection branch is supplied in an interruption manner, the internal air pressure value of the two-way gas-off alarm 4 is reduced, the air pressure sensor transmits the air pressure value to the single chip microcomputer, the single chip microcomputer is compared with a preset air pressure value, when the air pressure value in the pipeline is lower than the preset air pressure value of the single chip microcomputer, the single chip microcomputer controls the power-on buzzer 42 to give an alarm, otherwise, the single chip microcomputer does not supply power to the buzzer 42;
then, by opening the second regulating valve 7, the standby hydrogen cylinder 12 continues to supply gas to the hydrogen supply port 2 after passing through the pressure limiting valve 5, at the moment, the gas pressure in the two-way gas-off alarm 4 tends to be normal, and the singlechip controls the buzzer 42 to be closed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A hydrogen supply device for a hydrogen fuel cell, characterized in that: the hydrogen fuel cell comprises a hydrogen supply port (2) and an oxygen supply port (3) which are arranged on a hydrogen fuel cell body (1), wherein a gas cut-off alarm branch, a hydrogen protection branch and a hydrogen standby branch are arranged on the hydrogen supply port (2), and the hydrogen protection branch and the hydrogen standby branch are connected in parallel and then are connected with the gas cut-off alarm branch;
the gas cut-off alarm branch comprises a pressure limiting valve (5) and a two-way gas cut-off alarm (4) which are sequentially connected, and the two-way gas cut-off alarm (4) is connected with the hydrogen supply port (2);
the hydrogen protection branch comprises a hydrogen tank (11), a filter (10), a one-way valve (9), a gas flowmeter (8) and a regulating valve I (6) which are connected in sequence;
the hydrogen standby branch comprises a standby hydrogen cylinder (12), a second regulating valve (7) and a pressure limiting valve (5) which are connected in sequence.
2. A hydrogen supply device for a hydrogen fuel cell according to claim 1, characterized in that: the two-way air-break alarm (4) comprises a single chip microcomputer, an air pressure sensor, an alarm switch (41) and a buzzer (42), wherein the air pressure sensor is arranged on the inner wall side of the two-way air-break alarm (4), the output end of the air pressure sensor is connected with the input end of the single chip microcomputer, and the output end of the single chip microcomputer is connected with the buzzer (42).
3. A hydrogen supply device for a hydrogen fuel cell according to claim 2, characterized in that: the input end of the alarm switch (41) is connected with an external power supply, and the output end of the alarm switch (41) is connected with the single chip microcomputer.
4. A hydrogen supply device for a hydrogen fuel cell according to claim 1, characterized in that: the filter (10) is a polyester fiber filter (10).
5. A hydrogen supply device for a hydrogen fuel cell according to claim 1, characterized in that: the gas flowmeter (8) is a turbine type gas flowmeter (8).
6. A hydrogen supply device for a hydrogen fuel cell according to claim 1, characterized in that: and the first regulating valve (6) and the second regulating valve (7) are both manual regulating ball valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023323517.4U CN214068761U (en) | 2020-12-31 | 2020-12-31 | Hydrogen supply device for hydrogen fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023323517.4U CN214068761U (en) | 2020-12-31 | 2020-12-31 | Hydrogen supply device for hydrogen fuel cell |
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| CN214068761U true CN214068761U (en) | 2021-08-27 |
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| CN202023323517.4U Active CN214068761U (en) | 2020-12-31 | 2020-12-31 | Hydrogen supply device for hydrogen fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149039A (en) * | 2022-09-02 | 2022-10-04 | 北京新研创能科技有限公司 | Fuel cell with high-efficiency cooling system |
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2020
- 2020-12-31 CN CN202023323517.4U patent/CN214068761U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149039A (en) * | 2022-09-02 | 2022-10-04 | 北京新研创能科技有限公司 | Fuel cell with high-efficiency cooling system |
| CN115149039B (en) * | 2022-09-02 | 2022-11-29 | 北京新研创能科技有限公司 | Fuel cell with high-efficient cooling system |
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