CN203025149U - Coal mine carbon monoxide sensor - Google Patents
Coal mine carbon monoxide sensor Download PDFInfo
- Publication number
- CN203025149U CN203025149U CN 201220730168 CN201220730168U CN203025149U CN 203025149 U CN203025149 U CN 203025149U CN 201220730168 CN201220730168 CN 201220730168 CN 201220730168 U CN201220730168 U CN 201220730168U CN 203025149 U CN203025149 U CN 203025149U
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- shell
- electrode
- carbon monoxide
- pin
- cavity
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Abstract
The utility model discloses a coal mine carbon monoxide sensor, and relates to a sensor, wherein a handle (1) is arranged at the upper part of a shell (4); a ventilation hole (2) formed at the upper part of the shell (4) is communicated with a filter membrane (3) on the inner upper part of the shell (4); a gas-permeable membrane (5) is arranged at the lower part of the filter membrane (3); a working electrode (6) is arranged at the upper end of a cavity at the lower part of the gas-permeable membrane (5); the working electrode (6) is connected with a first pin (10) which is arranged at the lower end of the shell (4); a counter electrode (8) and a reference electrode (9) are arranged at the lower part of the cavity at intervals; an electrolyte solution (7) is contained in the cavity; the counter electrode (8) is connected with a second pin (10) which is arranged at the lower end of the shell (4); and the reference electrode (9) is connected with a third pin (10) arranged at the lower end of the shell (4). The coal mine carbon monoxide sensor, through matching with an alarm in use, can acquire a comparatively accurate carbon monoxide value.
Description
[technical field]
The utility model relates to a kind of sensor, especially relates to a kind of colliery carbon monoxide transducer.
[background technology]
Known, carbon monoxide enters the haemoglobin combination in human body meeting afterwards and blood, far be better than the binding ability of oxygen and haemoglobin due to CO and Hb BC hemoglobin binding capacity, and then enable sharply to reduce with the amount of hemoglobin of combination with oxygen, thereby cause that anoxic appears in body tissue, cause human body death by suffocation, so carbon monoxide has toxicity.At present, China's mine safety Frequent Accidents, this is mainly that especially the susceptibility of carbonomonoxide concentration is higher due to not in place for the various harmful gases monitoring in the down-hole of causing security incident; In order preferably the down-hole to be monitored, the generation that effectively reduces down-hole accident is a difficult problem always.
[summary of the invention]
In order to overcome the deficiency in background technology, the utility model discloses a kind of colliery carbon monoxide transducer, the utility model can obtain carbon monoxide numerical value comparatively accurately by after supporting the use with alarm.
For achieving the above object, the utility model adopts following technical scheme:
a kind of colliery carbon monoxide transducer, comprise shell, handle, filtering membrane, ventilated membrane, working electrode, contrast electrode and pin, top at shell is provided with handle, the filtering membrane of shell upper arranges bleeder vent UNICOM shell internal upper part, described filtering membrane bottom is provided with ventilated membrane, be provided with working electrode in ventilated membrane lower cavity upper end, the first pin that described working electrode connected with outer casing lower end arranges, be interval with electrode and contrast electrode in the cavity bottom, be provided with electrolytic solution in cavity, described the second pin to the lower end setting of electrode connected with outer casing, the three-prong that contrast electrode connected with outer casing lower end arranges.
Described colliery carbon monoxide transducer, the first pin, the second pin and the three-prong of shell lower end are Triangle-Profile.
Owing to having adopted technique scheme, the utlity model has following beneficial effect:
Colliery described in the utility model carbon monoxide transducer after supporting the use with alarm, can obtain carbon monoxide numerical value comparatively accurately, and detection efficiency is high, charge stable.
[description of drawings]
Fig. 1 is structural representation of the present utility model;
In the drawings: 1, handle; 2, bleeder vent; 3, filtering membrane; 4, shell; 5, ventilated membrane; 6, working electrode; 7, electrolytic solution; 8, to electrode; 9, contrast electrode; 10, pin.
[embodiment]
Can explain in more detail the utility model by the following examples, the utility model is not limited to the following examples, and open the purpose of this utility model is intended to protect all changes and improvements in the utility model scope;
colliery carbon monoxide transducer described in 1 by reference to the accompanying drawings, comprise shell 4, handle 1, filtering membrane 3, ventilated membrane 5, working electrode 6, contrast electrode 9 and pin one 0, be provided with handle 1 on the top of shell 4, the filtering membrane 3 of bleeder vent 2 UNICOM's shell 4 internal upper parts that shell 4 tops arrange, described filtering membrane 3 bottoms are provided with ventilated membrane 5, be provided with working electrode 6 in ventilated membrane 5 lower cavity upper ends, the first pin one 0 of described working electrode 6 connected with outer casing 4 lower ends settings, be interval with electrode 8 and contrast electrode 9 in the cavity bottom, be provided with electrolytic solution 7 in cavity, described the second pin one 0 to electrode 8 connected with outer casing 4 lower ends settings, the three-prong 10 of contrast electrode 9 connected with outer casing 4 lower ends settings, the first pin one 0 of shell 4 lower ends, the second pin one 0 and three-prong 10 are Triangle-Profile.
Implement colliery described in the utility model carbon monoxide transducer, the utility model and alarm support the use, it is the core detecting element in alarm, during the utility model work, when CO gas was diffused into working electrode 6 surface when upper by the bleeder vent 2 on shell 4 through ventilated membrane 5, under the catalytic action of working electrode 6, oxidation occurs in CO gas on working electrode 6; H+ ion and electronics that oxidation reaction produces occur on working electrode 6, by electrolytic solution 7 transfer to working electrode 6 keep certain intervals on electrode 8, with the oxygen generation reduction reaction in water.Therefore, the reversible reaction of oxidation-reduction has just occured in sensor internal.The reversible reaction of this oxidation～reduction is occuring between at working electrode and to electrode all the time, and produces potential difference (PD) between electrode; But because the reaction that occurs on two electrodes all can make electrode polarization, this makes electrode potential be difficult to keep constant, thereby has also limited the detectable scope of carbonomonoxide concentration.
In order to keep the constant of electrode potential, the utility model has added a contrast electrode 9, in at working electrode 6, to electrode 8 and contrast electrode 9 three-electrode electro Chemical gas sensors, output terminal reflects is potential change between contrast electrode 9 and working electrode 6, because contrast electrode 9 does not participate in oxidation or reduction reaction, therefore it can make the current potential of interpolar keep constant (being constant potential), and this moment, the variation of current potential was just directly relevant with the variation of carbon monoxide concentration.When gas sensor produced output current, its size was directly proportional to the concentration of gas.Use the size of external circuit survey sensor output current by electrode outlet line, just can detect the concentration of carbon monoxide, and very wide linear measurement range is arranged.Like this, external signal acquisition circuit and corresponding conversion and output circuit, just can realize examination and controlling to CO gas on gas sensor.
The utility model does not describe part in detail and is prior art.
Claims (2)
1. colliery carbon monoxide transducer, comprise shell (4), handle (1), filtering membrane (3), ventilated membrane (5), working electrode (6), contrast electrode (9) and pin (10), it is characterized in that: be provided with handle (1) on the top of shell (4), the filtering membrane (3) of bleeder vent (2) UNICOM's shell (4) internal upper part that shell (4) top arranges, described filtering membrane (3) bottom is provided with ventilated membrane (5), be provided with working electrode (6) in ventilated membrane (5) lower cavity upper end, the first pin (10) that described working electrode (6) connected with outer casing (4) lower end arranges, be interval with electrode 8 and contrast electrode (9) in the cavity bottom, be provided with electrolytic solution (7) in cavity, described the second pin (10) to the 4 lower ends settings of electrode (8) connected with outer casing, the three-prong (10) that contrast electrode (9) connected with outer casing (4) lower end arranges.
2. colliery according to claim 1 carbon monoxide transducer is characterized in that: the first pin (10), the second pin (10) and the three-prong (10) of shell (4) lower end are Triangle-Profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730168 CN203025149U (en) | 2012-12-27 | 2012-12-27 | Coal mine carbon monoxide sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730168 CN203025149U (en) | 2012-12-27 | 2012-12-27 | Coal mine carbon monoxide sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203025149U true CN203025149U (en) | 2013-06-26 |
Family
ID=48649128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730168 Expired - Fee Related CN203025149U (en) | 2012-12-27 | 2012-12-27 | Coal mine carbon monoxide sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203025149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017078950A1 (en) | 2015-11-06 | 2017-05-11 | 3M Innovative Properties Company | Gas sensor with a sealable sampling chamber |
| CN108918029A (en) * | 2018-05-17 | 2018-11-30 | 黄林 | A kind of gas leakage detecting device based on compound Internet of Things |
| CN110346442A (en) * | 2019-08-06 | 2019-10-18 | 徐磊 | A kind of monitoring device for pulverized-coal fired boiler working environment |
-
2012
- 2012-12-27 CN CN 201220730168 patent/CN203025149U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017078950A1 (en) | 2015-11-06 | 2017-05-11 | 3M Innovative Properties Company | Gas sensor with a sealable sampling chamber |
| EP3371569A4 (en) * | 2015-11-06 | 2019-08-14 | 3M Innovative Properties Company | Gas sensor with a sealable sampling chamber |
| CN108918029A (en) * | 2018-05-17 | 2018-11-30 | 黄林 | A kind of gas leakage detecting device based on compound Internet of Things |
| CN108918029B (en) * | 2018-05-17 | 2021-01-29 | 宁乡新奥燃气有限公司 | Gas leakage detection device based on compound networking |
| CN110346442A (en) * | 2019-08-06 | 2019-10-18 | 徐磊 | A kind of monitoring device for pulverized-coal fired boiler working environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20131227 |