CN105401980A - Portable methane detection alarm - Google Patents
Portable methane detection alarm Download PDFInfo
- Publication number
- CN105401980A CN105401980A CN201511008736.4A CN201511008736A CN105401980A CN 105401980 A CN105401980 A CN 105401980A CN 201511008736 A CN201511008736 A CN 201511008736A CN 105401980 A CN105401980 A CN 105401980A
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- China
- Prior art keywords
- alarm
- detection alarm
- portable
- methane
- methane detection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention discloses a portable methane detection alarm, which comprises a shell, a battery pack, a catalysis element, an amplification circuit module, an electronic switch, an A/D conversion device, a CPU central processing unit and a driving device. The driving device comprises a methane concentration display device, an acousto-optic alarm device, a clock display device, a catalysis element sensitivity display device, an alarm point display device, a voltage value display device, an under-voltage auto shut-off device, and an out-of-range protection device. The portable methane detection alarm is small in size, light in weight, accurate in reading, and convenient to debug, so that the inspection personnel can conveniently carry about and use the alarm. Meanwhile, the alarm has the functions of acousto-optic alarming, battery automatic charging protection, battery over-discharge protection, methane concentration detection out-of-range protection and the like. Therefore, the service life of the alarm is prolonged.
Description
Technical field
The present invention relates to CH_4 detection warning device, particularly relate to a kind of Portable Methane Detection Alarm.
Background technology
CH_4 detection warning device is applicable at underground coal mine, for monitoring methane concentration, and sends warning when methane content exceeding preset limit, to take corresponding safety measure.Therefore it is a kind of monitoring instrument that colliery realizes safety in production.The current CH_4 detection warning device not only large weight of volume is large, and reading inaccuracy, without functions such as battery self-protections, the practicality of CH_4 detection warning device is had a greatly reduced quality.
Summary of the invention
The object of the present invention is to provide a kind of Portable Methane Detection Alarm, this instrument volume is little, lightweight, reading is accurate, adjustment is convenient, is conducive to inspection personnel and wears use with oneself; Also there is the functions such as sound and light alarm, the protection of battery automatic charging, battery over-discharge protection, methane concentration detection overrange protection simultaneously, the application life of instrument can be improved.
For achieving the above object, technical scheme of the present invention is a kind of Portable Methane Detection Alarm of design, comprising: shell, battery pack, catalysis element, amplification circuit module, electronic switch, A/D conversion equipment, cpu central processing unit, drive unit;
Described drive unit comprises:
Methane concentration display unit, acoustic-optic alarm, clock display device, catalysis element sensitivity display unit, alarm point display unit, voltage value display unit, under-voltage automatic shutdown device and outrange protective device.
Preferably, described catalysis element is methane concentration detecting element.
Preferably, described Portable Methane Detection Alarm is batch (-type) sound and light alarm, and in dark, optical signal visible range is 0-30m.
Preferably, the methane concentration alarm range of described Portable Methane Detection Alarm is: 0.5%-2.5%.
Preferably, described battery pack is rechargeable battery pack, stream time >=10 hour.
Preferably, when described outrange protective device is specially methane concentration value >=4.00%, the power supply of catalysis element is turned off automatically.
Advantage of the present invention and beneficial effect are: provide a kind of Portable Methane Detection Alarm, and this instrument volume is little, lightweight, reading is accurate, adjustment is convenient, is conducive to inspection personnel and wears use with oneself; Also there is the functions such as sound and light alarm, the protection of battery automatic charging, battery over-discharge protection, methane concentration detection overrange protection simultaneously, the application life of instrument can be improved.
The operating principle of Portable Methane Detection Alarm of the present invention is as follows:
A) this instrument adopts carrier catalyst element as methane detection element.Methane concentration signal in instrument and voltage signal deliver to CPU process through A/D conversion equipment, reach the object measuring methane concentration and sound and light alarm, monitoring voltage and protection battery pack;
B) in the course of work, when tested methane concentration surpasses 4.00%, be protection carrier catalyst element, instrument will turn off catalysis element power supply automatically;
C), in the course of work, instrument internal automatic continuous monitoring battery voltage, when operating supply voltage is lower than about 3.2V, is protection battery, automatic shutdown after instrument time delay.
D) in the course of work, by switching over, display cell voltage, the alarm point etc. of display setting.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
The technical scheme that the present invention specifically implements is:
As shown in Figure 1, a kind of Portable Methane Detection Alarm, comprising: shell, battery pack, catalysis element, amplification circuit module, electronic switch, A/D conversion equipment, cpu central processing unit, drive unit;
Described drive unit comprises:
Methane concentration display unit, acoustic-optic alarm, clock display device, catalysis element sensitivity display unit, alarm point display unit, voltage value display unit, under-voltage automatic shutdown device and outrange protective device.
Described catalysis element is methane concentration detecting element.
Described Portable Methane Detection Alarm is batch (-type) sound and light alarm, and in dark, optical signal is high-visible at 20m place.
The methane concentration alarm point of described Portable Methane Detection Alarm is 2%.
Described battery pack is rechargeable battery pack, and stream time reaches 12 hours.
Described outrange protective device is specially methane concentration value when reaching 4.20%, and the power supply of catalysis element is turned off automatically.
The operating principle of Portable Methane Detection Alarm of the present invention is as follows:
A) this instrument adopts carrier catalyst element as methane detection element.Methane concentration signal in instrument and voltage signal deliver to CPU process through A/D conversion equipment, reach the object measuring methane concentration and sound and light alarm, monitoring voltage and protection battery pack;
B) in the course of work, when tested methane concentration surpasses 4.00%, be protection carrier catalyst element, instrument will turn off catalysis element power supply automatically;
C), in the course of work, instrument internal automatic continuous monitoring battery voltage, when operating supply voltage is lower than about 3.2V, is protection battery, automatic shutdown after instrument time delay.
D) in the course of work, by switching over, display cell voltage, the alarm point etc. of display setting.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. Portable Methane Detection Alarm, is characterized in that, comprising: shell, battery pack, catalysis element, amplification circuit module, electronic switch, A/D conversion equipment, cpu central processing unit, drive unit;
Described drive unit comprises:
Methane concentration display unit, acoustic-optic alarm, clock display device, catalysis element sensitivity display unit, alarm point display unit, voltage value display unit, under-voltage automatic shutdown device and outrange protective device.
2. Portable Methane Detection Alarm according to claim 1, is characterized in that, described catalysis element is methane concentration detecting element.
3. Portable Methane Detection Alarm according to claim 1, is characterized in that, described Portable Methane Detection Alarm is batch (-type) sound and light alarm, and in dark, optical signal visible range is 0-30m.
4. Portable Methane Detection Alarm according to claim 3, is characterized in that, the methane concentration alarm range of described Portable Methane Detection Alarm is: 0.5%-2.5%.
5. Portable Methane Detection Alarm according to claim 1, is characterized in that, described battery pack is rechargeable battery pack, stream time >=10 hour.
6. Portable Methane Detection Alarm according to claim 1, is characterized in that, when described outrange protective device is specially methane concentration value >=4.00%, the power supply of catalysis element is turned off automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008736.4A CN105401980A (en) | 2015-12-29 | 2015-12-29 | Portable methane detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008736.4A CN105401980A (en) | 2015-12-29 | 2015-12-29 | Portable methane detection alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105401980A true CN105401980A (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511008736.4A Pending CN105401980A (en) | 2015-12-29 | 2015-12-29 | Portable methane detection alarm |
Country Status (1)
| Country | Link |
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| CN (1) | CN105401980A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323111A (en) * | 2020-10-10 | 2022-04-12 | 中国石油天然气集团有限公司 | Methane emission monitoring system and method for oil-gas field development |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2331984A1 (en) * | 1973-06-16 | 1975-01-09 | Bergwerksverband Gmbh | Methane and carbon monoxide monitoring appts. for coal mines - cuts electric power to the affected areas |
| CN2792083Y (en) * | 2005-04-25 | 2006-06-28 | 郭青 | Digital methane alarm mining lamp |
| CN201274087Y (en) * | 2008-08-28 | 2009-07-15 | 徐州江煤科技有限公司 | Intelligent methane analyzer |
| CN201284663Y (en) * | 2008-08-14 | 2009-08-05 | 南昌煤矿仪器设备厂 | Multi-standard output type high-low concentration methane sensor |
| JP2011145091A (en) * | 2010-01-12 | 2011-07-28 | Yazaki Corp | Gas detector |
| CN202486089U (en) * | 2012-03-21 | 2012-10-10 | 陕西斯达煤矿安全装备有限公司 | Methane gas detecting alarm instrument |
-
2015
- 2015-12-29 CN CN201511008736.4A patent/CN105401980A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2331984A1 (en) * | 1973-06-16 | 1975-01-09 | Bergwerksverband Gmbh | Methane and carbon monoxide monitoring appts. for coal mines - cuts electric power to the affected areas |
| CN2792083Y (en) * | 2005-04-25 | 2006-06-28 | 郭青 | Digital methane alarm mining lamp |
| CN201284663Y (en) * | 2008-08-14 | 2009-08-05 | 南昌煤矿仪器设备厂 | Multi-standard output type high-low concentration methane sensor |
| CN201274087Y (en) * | 2008-08-28 | 2009-07-15 | 徐州江煤科技有限公司 | Intelligent methane analyzer |
| JP2011145091A (en) * | 2010-01-12 | 2011-07-28 | Yazaki Corp | Gas detector |
| CN202486089U (en) * | 2012-03-21 | 2012-10-10 | 陕西斯达煤矿安全装备有限公司 | Methane gas detecting alarm instrument |
Non-Patent Citations (1)
| Title |
|---|
| 全国安全生产标准化技术委员会煤矿安全分技术委员会: "《煤矿安全监控、监测系统》", 30 September 2007 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323111A (en) * | 2020-10-10 | 2022-04-12 | 中国石油天然气集团有限公司 | Methane emission monitoring system and method for oil-gas field development |
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Application publication date: 20160316 |