CN103267225A - Hydrogen leakage detection method and device for metal hydride hydrogen storage container - Google Patents
Hydrogen leakage detection method and device for metal hydride hydrogen storage container Download PDFInfo
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- CN103267225A CN103267225A CN2013102281274A CN201310228127A CN103267225A CN 103267225 A CN103267225 A CN 103267225A CN 2013102281274 A CN2013102281274 A CN 2013102281274A CN 201310228127 A CN201310228127 A CN 201310228127A CN 103267225 A CN103267225 A CN 103267225A
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- metal hydride
- hydrogen
- storing device
- hydride hydrogen
- gas leakage
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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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Abstract
The invention relates to a hydrogen leakage detection method and device for a metal hydride hydrogen storage container and belongs to the technical field of hydrogen detection. The hydrogen leakage detection method for the metal hydride hydrogen storage container comprises the following detection steps: 1) acquiring the temperature of the metal hydride hydrogen storage container by a data processor through a temperature sensor; 2) recording the temperature change of the metal hydride hydrogen storage container and judging the hydrogen leakage according to the temperature change direction through the data processor; and 3) outputting leakage detection data. The hydrogen leakage detection device for the metal hydride hydrogen storage container comprises a temperature sensor, the data processor and an alarm device, wherein the temperature sensor is connected with the data processor; the data processor is connected with the alarm device through a circuit; and the temperature sensor detects and transmits the surface temperature of the metal hydride hydrogen storage container. The device has the advantages of being simple in measurement, convenient to use, high in stability and reliability, high in economical efficiency and applicability, low in cost, wide in application range and the like and can be widely applied to the hydrogen leakage detection for the metal hydride hydrogen storage container.
Description
Technical field
The invention belongs to hydrogen detection technique field, particularly relate to a kind of metal hydride hydrogen-storing device hydrogen gas leakage detecting method and device.
Background technique
As everyone knows, limit is wideer because hydrogen explodes in air, is a kind of hazardous gas.The existing storing mode commonly used of hydrogen has the gaseous state storing method of gas cylinder and the solid-state storing method of metal hydride.Prevent that hydrogen from leaking in storage process, avoid potential safety hazard to be to use key one ring in the hydrogen process.The solid-state hydrogen storing method of metal hydride is a kind of relatively storage means of safety in the present hydrogen storage art, it is to utilize hydrogen bearing alloy reversible this characteristic of absorption/release hydrogen under certain temperature and pressure condition to come storage of hydrogen, it has the hydrogen purity height (99.999%) of release, the volume hydrogen storage content is big, Security is good, advantages such as the life-span is long, at present at fuel cell, hydrogen energy automobile, numerous areas widespread usage such as renewable energy sources energy storage.
For guaranteeing that hydrogen uses safety, whether storage hydrogen device also needs to detect hydrogen in real time and leaks in storage process, if there is leakage to need in time to report to the police in order to take safety measures.Detecting method commonly used at present is in the hydrogen use occasion hydrogen gas sensor or hydrogen test leak instrument to be installed, and adopts the detecting method of hydrogen chemical sensor to exist functional reliability poor, needs shortcomings such as periodic replacement; Adopt the hydrogen test leak instrument to have the instrument and equipment costliness especially, use many realistic problems such as inconvenience.
Summary of the invention
The present invention provides a kind of metal hydride hydrogen-storing device hydrogen gas leakage detecting method and device for solving the technical problem that exists in the known technology.
The present invention is based on following principle:
Metal hydride needs draw heat from surrounding environment, namely when putting hydrogen
MH
x＝M+x/2H
2-Q
MH wherein
xBe metal hydride, M is hydrogen storage metal, and Q is that metal hydride is put the heat that hydrogen need absorb.When metal hydride hydrogen-storing device took place to leak, the temperature of storage hydrogen device can reduce, and it is more many to leak hydrogen, and temperature descends more fast.
The metal hydride hydrogen-storing device hydrogen gas leakage detecting method of characteristics such as it is simple to the purpose of this invention is to provide a kind of measurement, easy to use, and quickness and high efficiency is with low cost, detects accurately, applied widely.
The technological scheme that metal hydride hydrogen-storing device hydrogen gas leakage detecting method of the present invention is taked is:
A kind of metal hydride hydrogen-storing device hydrogen gas leakage detecting method is characterized in that: metal hydride hydrogen-storing device hydrogen gas leakage testing process comprises:
1. data processing system is gathered the temperature of metal hydride hydrogen-storing device by temperature transducer;
2. the temperature variation of data processing system record metal hydride hydrogen-storing device, and according to the temperature variation direction of metal hydride hydrogen-storing device, make the metal hydride hydrogen-storing device hydrogen gas leakage and differentiate;
3. differentiate the result according to the metal hydride hydrogen-storing device hydrogen gas leakage, carry out the output of Leak testtion data.
Metal hydride hydrogen-storing device hydrogen gas leakage detecting method of the present invention can also adopt following technical measures:
Described metal hydride hydrogen-storing device hydrogen gas leakage detecting method is characterized in: the output of Leak testtion data is to give alarm with leaking the digital data transmission of differentiating the result.
Described metal hydride hydrogen-storing device hydrogen gas leakage detecting method is characterized in: temperature transducer is gathered the surface temperature of metal hydride hydrogen-storing device.
The metal hydride hydrogen-storing device hydrogen gas leakage detection device of characteristics such as two of purpose of the present invention provides a kind of simple in structure, and is easy to use, detects reliably, with low cost, economic and practical, applied widely.
The technological scheme that metal hydride hydrogen-storing device hydrogen gas leakage detection device of the present invention is taked is:
A kind of metal hydride hydrogen-storing device hydrogen gas leakage detection device, be characterized in: the hydrogen gas leakage detection device comprises temperature transducer, data processing system and warning device, temperature transducer links to each other with data processing system by circuit, and data processing system links to each other with warning device by circuit; Temperature transducer is installed on the metal hydride hydrogen-storing device, detected transmission metal hydride hydrogen-storing device surface temperature.
Metal hydride hydrogen-storing device hydrogen gas leakage detection device of the present invention can also adopt following technical measures:
Described metal hydride hydrogen-storing device hydrogen gas leakage detection device, be characterized in: temperature transducer is installed in the metal hydride hydrogen-storing device surface, and the measuring range of temperature transducer is 0 ℃-100 ℃.
Described metal hydride hydrogen-storing device hydrogen gas leakage detection device is characterized in: data processing controller is single-chip microcomputer or PLC, and single-chip microcomputer or PLC connect alarm by circuit.
Advantage and good effect that the present invention has are:
Metal hydride hydrogen-storing device hydrogen gas leakage detecting method and device are owing to adopted brand-new technology scheme of the present invention, compared with prior art, it is simple, easy to use that the present invention has measurement, detects in time, data are accurate, reliable and stable, economic and practical, with low cost, advantage such as applied widely can be widely used in various metal hydride hydrogen-storing device hydrogen gas leakages and detect.
Description of drawings
Fig. 1 is metal hydride hydrogen-storing device hydrogen gas leakage detection device linkage structure schematic representation.
Among the figure, the 1-metal hydride hydrogen-storing device; The 2-temperature transducer; The 3-data processing system; The 4-alarm.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Consult accompanying drawing 1.
Embodiment 1
A kind of metal hydride hydrogen-storing device hydrogen gas leakage detecting method, its testing process comprises:
1. data processing system is gathered the surface temperature of metal hydride hydrogen-storing device by temperature transducer;
2. the surface temperature of data processing system record metal hydride hydrogen-storing device changes, and according to the surface temperature change direction of metal hydride hydrogen-storing device, makes the metal hydride hydrogen-storing device hydrogen gas leakage and differentiate;
3. differentiate the result according to the metal hydride hydrogen-storing device hydrogen gas leakage, carry out the output of Leak testtion data.The output of Leak testtion data is to give alarm with leaking the digital data transmission of differentiating the result.
Embodiment 2
A kind of metal hydride hydrogen-storing device hydrogen gas leakage detection device comprises temperature transducer 1, data processing system 2 and alarm 4, and temperature transducer 2 links to each other with data processing system 3 by circuit, and data processing system 3 links to each other with alarm 4 by circuit; Temperature transducer is installed in the metal hydride hydrogen-storing device surface, and detected transmission metal hydride hydrogen-storing device 1 surface temperature, the measuring range of temperature transducer are 0-100 ℃.
Data processing controller is single-chip microcomputer, and single-chip microcomputer connects alarm 4 by circuit.
When data processing system detected the lasting decline of metal hydride hydrogen-storing device surface temperature by temperature transducer, differentiating metal hydride hydrogen-storing device hydrogen had leakage, leakage signal is transferred to alarm reports to the police, and has reached purpose and the effect of automatic detection.
Claims (6)
1. metal hydride hydrogen-storing device hydrogen gas leakage detecting method, it is characterized in that: metal hydride hydrogen-storing device hydrogen gas leakage testing process comprises:
1) data processing system is gathered the temperature of metal hydride hydrogen-storing device by temperature transducer;
2) temperature variation of data processing system record metal hydride hydrogen-storing device, and according to the lasting change direction of the temperature of metal hydride hydrogen-storing device, make the metal hydride hydrogen-storing device hydrogen gas leakage and differentiate;
3) differentiate the result according to the metal hydride hydrogen-storing device hydrogen gas leakage, carry out the output of Leak testtion data.
2. metal hydride hydrogen-storing device hydrogen gas leakage detecting method according to claim 1 is characterized in that: the output of Leak testtion data is to give alarm with leaking the digital data transmission of differentiating the result.
3. metal hydride hydrogen-storing device hydrogen gas leakage detecting method according to claim 1 and 2 is characterized in that: the surface temperature of temperature transducer collection metal hydride hydrogen-storing device.
4. metal hydride hydrogen-storing device hydrogen gas leakage detection device, it is characterized in that: the hydrogen gas leakage detection device comprises temperature transducer, data processing system and warning device, temperature transducer links to each other with data processing system by circuit, and data processing system links to each other with warning device by circuit; Temperature transducer is installed on the metal hydride hydrogen-storing device, detected transmission metal hydride hydrogen-storing device surface temperature.
5. metal hydride hydrogen-storing device hydrogen gas leakage detection device according to claim 4, it is characterized in that: temperature transducer is installed in the metal hydride hydrogen-storing device surface, and the measuring range of temperature transducer is 0 ℃-100 ℃.
6. according to claim 4 or 5 described metal hydride hydrogen-storing device hydrogen gas leakage detection devices, it is characterized in that: data processing controller is single-chip microcomputer or PLC, and single-chip microcomputer or PLC connect alarm by circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102281274A CN103267225A (en) | 2013-06-04 | 2013-06-04 | Hydrogen leakage detection method and device for metal hydride hydrogen storage container |
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| CN2013102281274A CN103267225A (en) | 2013-06-04 | 2013-06-04 | Hydrogen leakage detection method and device for metal hydride hydrogen storage container |
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| CN103267225A true CN103267225A (en) | 2013-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373809A (en) * | 2014-11-24 | 2015-02-25 | 扬州大学 | Hydrogen isotope quantitative split charging device and split charging method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002333100A (en) * | 2001-05-09 | 2002-11-22 | Honda Motor Co Ltd | Hydrogen remaining amount detecting device and hydrogen supply method for hydrogen storage tank |
| CN1499124A (en) * | 2002-11-04 | 2004-05-26 | 亚太燃料电池科技股份有限公司 | Filling hydrogen to tank for storing hydrogen and device of activating treatment |
| CN1506175A (en) * | 2002-12-09 | 2004-06-23 | 亚太燃料电池科技股份有限公司 | Manufacture of hydrogen fuel cylinder |
| JP2008020198A (en) * | 2006-07-10 | 2008-01-31 | Toyota Motor Corp | Hydrogen leakage sensor and hydrogen leakage sensing method |
| CN103115649A (en) * | 2013-01-17 | 2013-05-22 | 中国计量学院 | Online measurement method and device of hydrogen gas storage or release amount of metal hydride hydrogen storage container |
-
2013
- 2013-06-04 CN CN2013102281274A patent/CN103267225A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002333100A (en) * | 2001-05-09 | 2002-11-22 | Honda Motor Co Ltd | Hydrogen remaining amount detecting device and hydrogen supply method for hydrogen storage tank |
| CN1499124A (en) * | 2002-11-04 | 2004-05-26 | 亚太燃料电池科技股份有限公司 | Filling hydrogen to tank for storing hydrogen and device of activating treatment |
| CN1506175A (en) * | 2002-12-09 | 2004-06-23 | 亚太燃料电池科技股份有限公司 | Manufacture of hydrogen fuel cylinder |
| JP2008020198A (en) * | 2006-07-10 | 2008-01-31 | Toyota Motor Corp | Hydrogen leakage sensor and hydrogen leakage sensing method |
| CN103115649A (en) * | 2013-01-17 | 2013-05-22 | 中国计量学院 | Online measurement method and device of hydrogen gas storage or release amount of metal hydride hydrogen storage container |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373809A (en) * | 2014-11-24 | 2015-02-25 | 扬州大学 | Hydrogen isotope quantitative split charging device and split charging method thereof |
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Application publication date: 20130828 |