CN109584525A - The explosion-proof detection method of fuel gas leakage alarm - Google Patents
The explosion-proof detection method of fuel gas leakage alarm Download PDFInfo
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- CN109584525A CN109584525A CN201811503570.7A CN201811503570A CN109584525A CN 109584525 A CN109584525 A CN 109584525A CN 201811503570 A CN201811503570 A CN 201811503570A CN 109584525 A CN109584525 A CN 109584525A
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- Prior art keywords
- fuel gas
- leakage alarm
- gas leakage
- explosion
- concentration
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
This application discloses a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage alarm uses semiconductor gas sensor, when the detectable concentration of fuel gas is more than setting concentration, cuts off the power supply of fuel gas leakage alarm.The present invention is used for the leak detection of fuel gas, may be disposed at the engine gas inlet of new-energy automobile, when detectable concentration reaches setting value, by the risk that is ignited to avoid fuel gas of power supply for cutting off semiconductor transducer.
Description
Technical field
This application involves a kind of detection devices, more particularly to a kind of explosion-proof detection side of fuel gas leakage alarm
Method.
Background technique
Semiconductor gas sensor is mainly with SnO2Add the noble metals such as platinum or palladium on equal N-shapeds oxide semiconductor and
It constitutes.Imflammable gas reacts on its surface causes SnO2The variation of conductivity, to perceive depositing for imflammable gas
?.But this reaction needs could occur at a certain temperature, heat so also to hinder silk to sensor-use.
The ignition temperature of methane is 537 DEG C, 5.3~14% when explosion ratio, and the work temperature of semiconductor gas sensor
Degree is at 300~450 DEG C, and the limit can be more than 537 DEG C, therefore when methane concentration reaches certain value, semiconductor transducer is easy to deposit
In the risk for lighting methane.
Summary of the invention
The purpose of the present invention is to provide a kind of explosion-proof detection methods of fuel gas leakage alarm, to overcome existing skill
Deficiency in art.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage alarm
Device uses semiconductor gas sensor, when the detectable concentration of fuel gas is more than setting concentration, cutting fuel gas leakage report
The power supply of alert device.
Preferably, in the explosion-proof detection method of above-mentioned fuel gas leakage alarm, fuel gas CO, methane
Or ethane.
Preferably, in the explosion-proof detection method of above-mentioned fuel gas leakage alarm, concentration is set as 2.65%.
The embodiment of the present application discloses a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage alarm
Device uses semiconductor gas sensor, when the detectable concentration of fuel gas is more than setting concentration, periodically switchs off combustible gas
The power supply of body leakage alarm carries out intermittent detection to combustable gas concentration.
Preferably, in the explosion-proof detection method of above-mentioned fuel gas leakage alarm, when the detection of fuel gas is dense
When degree continues to exceed the specific time of setting concentration, the period of cutting fuel gas leakage alarm power supply is improved.
Preferably, in the explosion-proof detection method of above-mentioned fuel gas leakage alarm, when the detection of fuel gas is dense
When degree continues to exceed the particular detection number of setting concentration, the period of cutting fuel gas leakage alarm power supply is improved.
Preferably, in the explosion-proof detection method of above-mentioned fuel gas leakage alarm, fuel gas CO, methane
Or ethane.
The embodiment of the application also discloses a kind of explosion-proof detection method of fuel gas leakage alarm, sets concentration
It is 2.65%.
The embodiment of the application also discloses a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas
Leakage alarm uses semiconductor gas sensor, when the detectable concentration of fuel gas is more than setting concentration and is maintained for more than specific
Time when, cut off fuel gas leakage alarm power supply.
The embodiment of the application also discloses a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas
Leakage alarm uses semiconductor gas sensor, when the detectable concentration of fuel gas is more than setting concentration and is maintained for more than specific
Time when, periodically switch off the power supply of fuel gas leakage alarm, to combustable gas concentration carry out intermittent detection.
Compared with the prior art, the advantages of the present invention are as follows: the present invention is used for the leak detection of fuel gas, may be disposed at
At the engine gas inlet of new-energy automobile, when detectable concentration reaches setting value, pass through cutting semiconductor transducer
The risk that power supply is ignited to avoid fuel gas.
Specific embodiment
Specific embodiment of the invention disclosed herein；However, it should be understood that revealed embodiment only has of the invention show
Plasticity, the present invention can embody in a variety of manners.Therefore, specific function details disclosed herein should not be interpreted as having limit
Property processed, but be interpreted only as the basis of claims and be construed to take up an official post for teaching those skilled in the art in the fact
Representative basis of the invention is used in different ways in what appropriate specific embodiment.
In the first embodiment, a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage are provided
Alarm uses semiconductor gas sensor, and fuel gas leakage alarm is set at engine gas inlet, when flammable
When the detectable concentration of gas is more than setting concentration, the power supply of fuel gas leakage alarm is cut off.
In one embodiment, fuel gas CO, methane or ethane.
In a preferred embodiment, concentration is set as 2.65%.
In a second embodiment, a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage are provided
Alarm uses semiconductor gas sensor, and fuel gas leakage alarm is set at engine gas inlet, when flammable
When the detectable concentration of gas is more than setting concentration, the power supply of fuel gas leakage alarm is periodically switched off, to fuel gas
Concentration carries out intermittent detection.
In one embodiment, fuel gas CO, methane or ethane.
In a preferred embodiment, concentration is set as 2.65%.
In one embodiment, when the detectable concentration of fuel gas continues to exceed the specific time of setting concentration, raising is cut
The period of disconnected fuel gas leakage alarm power supply.
In a preferred embodiment, specific time is 10 seconds.
In one embodiment, it when the detectable concentration of fuel gas continues to exceed the particular detection number of setting concentration, mentions
The period of height cutting fuel gas leakage alarm power supply.
In the third embodiment, a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage are provided
Alarm uses semiconductor gas sensor, and fuel gas leakage alarm is set at engine gas inlet, when flammable
When the detectable concentration of gas is more than setting concentration and is maintained for more than the specific time, the electricity of fuel gas leakage alarm is cut off
Source.
In one embodiment, fuel gas CO, methane or ethane.
In a preferred embodiment, concentration is set as 2.65%.
In a preferred embodiment, specific time is 10 seconds.
In the fourth embodiment, a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage are provided
Alarm uses semiconductor gas sensor, and fuel gas leakage alarm is set at engine gas inlet, when flammable
When the detectable concentration of gas is more than setting concentration and is maintained for more than the specific time, fuel gas leakage alarm is periodically switched off
The power supply of device carries out intermittent detection to combustable gas concentration.
In one embodiment, fuel gas CO, methane or ethane.
In a preferred embodiment, concentration is set as 2.65%.
In a preferred embodiment, specific time is 10 seconds.
In the 5th embodiment, a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage are provided
Alarm uses semiconductor gas sensor, and fuel gas leakage alarm is set at engine gas inlet, semiconductor
Gas sensor periodically detects fuel gas, when the detectable concentration of fuel gas is more than setting concentration, cutting
The power supply of fuel gas leakage alarm.
In one embodiment, fuel gas CO, methane or ethane.
In a preferred embodiment, concentration is set as 2.65%.
In a preferred embodiment, detection cycle is 10 seconds.
In an application examples, above-mentioned gas leakage alarm is suitable for new-energy automobile, and the new-energy automobile is with natural
Gas is as fuel, and gas leakage alarm is mounted at the gas inlet of automobile engine, to realize natural gas leakage
Detection.
In other embodiments, gas leakage alarm can be used for the Leakage inspection of other field, such as kitchen
The gas leakage in room detects, the gas leakage of pressure vessel detects etc..
Each aspect of the present invention, embodiment, feature and example should be regarded as to be illustrative and is not intended to limit in all respects
The system present invention, the scope of the present invention are only defined by tbe claims.Without departing substantially from the spirit and scope of the present invention advocated
In the case of, it will be apparent to those skilled in the art that other embodiments, modification and use.
The use of title and chapters and sections is not intended to limit the present invention in this application；Each chapters and sections can be applied to the present invention
Any aspect, embodiment or feature.
Present application in the whole text in, composition is being described as have, containing or comprising in place of specific component or will
Process description is in place of having, containing or comprising particular procedure step, it is contemplated that the composition of teachings of this disclosure is also substantially by institute
Narration component composition is made of described component, and the process of teachings of this disclosure is also substantially made of described process steps
Or it is made of described process steps group.
In this application, by element or component be known as being contained in and/or selected from described element or the component list it
Place, it should be appreciated that the element or component can by described any one of element or component and can be selected from by described element or
The group of the two in component or both composition described above.Furthermore, it is to be understood that in the spirit and scope without departing substantially from teachings of this disclosure
In the case of, the element and/or feature of composition described herein, equipment or method can combine in various ways regardless of this
Explanation is clearly stated or implied in text.
Unless otherwise specific statement, otherwise term " include (include, includes, including) ", " have
The use of (have, has or having) " is it is generally understood that be open and without limitation.
Unless otherwise specific statement, otherwise the use of odd number herein includes plural (and vice versa).In addition, on unless
It clearly provides additionally below, otherwise singular " one (a, an) " and " (the) " include plural form.In addition, in art
The use of language " about " place before magnitude, unless otherwise specific statement, otherwise teachings of this disclosure further includes particular magnitude itself.
It should be understood that the order of each step or the order of execution specific action are not particularly significant, as long as teachings of this disclosure is protected
Holding can operate.In addition, two or more steps or movement can be carried out simultaneously.
It can be appreciated that can replace single component by multiple components in certain aspects of the present disclosure and can be replaced by single component
Multiple components are changed to provide an element or structure or execute one or several given function.It will not operate in addition to substituting herein with reality
Other than trampling in place of the particular embodiment of the present invention, this substitution is considered as within the scope of the invention.
Although describing the present invention with reference to an illustrative embodiment, those skilled in the art will appreciate that, it is not carrying on the back
Various other changes can be made in the case where from spirit and scope of the present invention, are omitted and/or are added and can use substantial equivalents
Substitute the element of the embodiment.In addition, many modifications can be made without departing substantially from the scope of the present invention so that specific
Situation or material adapt to teachings of the present invention.Therefore, it is not to restrict the invention to herein for executing institute of the invention
Specific embodiment is disclosed, and being intended to makes the present invention by all implementations comprising falling within the scope of the appended claims
Example.In addition, removing non-specific statement, otherwise any use of term first, second etc. does not indicate any order or importance, but
An element and another element are distinguished using term first, second etc..
Claims (10)
1. a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage alarm is passed using semi-conductor gas
Sensor, which is characterized in that when the detectable concentration of fuel gas is more than setting concentration, cut off the electricity of fuel gas leakage alarm
Source.
2. the explosion-proof detection method of fuel gas leakage alarm according to claim 1, which is characterized in that fuel gas
For CO, methane or ethane.
3. the explosion-proof detection method of fuel gas leakage alarm according to claim 1, which is characterized in that setting concentration
It is 2.65%.
4. a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage alarm is passed using semi-conductor gas
Sensor, which is characterized in that when the detectable concentration of fuel gas is more than setting concentration, periodically switch off fuel gas leakage report
The power supply of alert device carries out intermittent detection to combustable gas concentration.
5. the explosion-proof detection method of fuel gas leakage alarm according to claim 4, which is characterized in that work as combustible gas
When the detectable concentration of body continues to exceed the specific time of setting concentration, the week of cutting fuel gas leakage alarm power supply is improved
Phase.
6. the explosion-proof detection method of fuel gas leakage alarm according to claim 4, which is characterized in that work as combustible gas
When the detectable concentration of body continues to exceed the particular detection number of setting concentration, cutting fuel gas leakage alarm power supply is improved
Period.
7. the explosion-proof detection method of fuel gas leakage alarm according to claim 4, which is characterized in that fuel gas
For CO, methane or ethane.
8. the explosion-proof detection method of fuel gas leakage alarm according to claim 4, which is characterized in that setting concentration
It is 2.65%.
9. a kind of explosion-proof detection method of fuel gas leakage alarm, which is characterized in that when the detectable concentration of fuel gas is super
When crossing setting concentration and being maintained for more than the specific time, the power supply of fuel gas leakage alarm is cut off.
10. a kind of explosion-proof detection method of fuel gas leakage alarm, fuel gas leakage alarm uses semi-conductor gas
Sensor, which is characterized in that when the detectable concentration of fuel gas is more than setting concentration and is maintained for more than the specific time, the period
Property cut off the power supply of fuel gas leakage alarm, intermittent detection is carried out to combustable gas concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503570.7A CN109584525A (en) | 2018-12-10 | 2018-12-10 | The explosion-proof detection method of fuel gas leakage alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503570.7A CN109584525A (en) | 2018-12-10 | 2018-12-10 | The explosion-proof detection method of fuel gas leakage alarm |
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| Publication Number | Publication Date |
|---|---|
| CN109584525A true CN109584525A (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811503570.7A Pending CN109584525A (en) | 2018-12-10 | 2018-12-10 | The explosion-proof detection method of fuel gas leakage alarm |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05322688A (en) * | 1992-05-18 | 1993-12-07 | Seibu Gas Kk | Gas leakage detection method and device |
| JP2009266165A (en) * | 2008-04-30 | 2009-11-12 | Fuji Electric Fa Components & Systems Co Ltd | Gas leakage alarm and method for inspecting the same |
| CN202119747U (en) * | 2011-01-05 | 2012-01-18 | 河南省现代机械电子研究所 | Portable methane detection alarm |
| CN203332116U (en) * | 2013-07-24 | 2013-12-11 | 湖南南电电气有限公司 | Methane detection outage safety type anti-explosion chopping speed controller |
| CN105015451A (en) * | 2015-06-29 | 2015-11-04 | 柳州蚊敌香业有限公司 | Vehicle-mounted CO-concentration monitoring and warning device |
-
2018
- 2018-12-10 CN CN201811503570.7A patent/CN109584525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05322688A (en) * | 1992-05-18 | 1993-12-07 | Seibu Gas Kk | Gas leakage detection method and device |
| JP2009266165A (en) * | 2008-04-30 | 2009-11-12 | Fuji Electric Fa Components & Systems Co Ltd | Gas leakage alarm and method for inspecting the same |
| CN202119747U (en) * | 2011-01-05 | 2012-01-18 | 河南省现代机械电子研究所 | Portable methane detection alarm |
| CN203332116U (en) * | 2013-07-24 | 2013-12-11 | 湖南南电电气有限公司 | Methane detection outage safety type anti-explosion chopping speed controller |
| CN105015451A (en) * | 2015-06-29 | 2015-11-04 | 柳州蚊敌香业有限公司 | Vehicle-mounted CO-concentration monitoring and warning device |
Non-Patent Citations (2)
| Title |
|---|
| 樊荣 等: "《激光甲烷传感器相关理论及其检测方法研究》", 31 December 2017 * |
| 许婧: "基于半导体氧化物复合材料的紫外光增强型气体传感器的研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
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