CN105134297A - Carbon dioxide sensor for GRH5 coal mine - Google Patents
Carbon dioxide sensor for GRH5 coal mine Download PDFInfo
- Publication number
- CN105134297A CN105134297A CN201510647579.5A CN201510647579A CN105134297A CN 105134297 A CN105134297 A CN 105134297A CN 201510647579 A CN201510647579 A CN 201510647579A CN 105134297 A CN105134297 A CN 105134297A
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- carbon dioxide
- sensor
- dioxide sensor
- alarm
- grh5
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- 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 relates to a carbon dioxide sensor for a GRH5 coal mine. The carbon dioxide sensor comprises a shell and a carbon dioxide monitoring device, wherein the shell comprises an upper shell, a lower shell and a handle; a display window and an alarm window are arranged on the upper shell; the lower shell comprises a sensor accommodating chamber and gas monitoring chambers arranged at two sides of the sensor accommodating chamber; a plurality of air vents are uniformly formed in the gas monitoring chambers; the carbon dioxide monitoring device comprises a battery, a carbon dioxide sensor, a signal converter, a signal amplifier, a filter, a carrier catalyzing element, a data acquisition card, a data memory, a singlechip microcomputer, a Nixie tube displayer, an alarm apparatus and a wireless transmission module. According to the carbon dioxide sensor, an electronic sensor in intelligent control of an embedded microcontroller unit and four-bit Nixie tube display is adopted, and the sensor is simple to operate, convenient to use, and safe and reliable, is mainly used for carbon dioxide detection and alarm, and can achieve a detection range of 0-5%CO2 for the carbon dioxide.
Description
Technical field
The present invention relates to a kind of apparatus for determination of gas, particularly GRH5 colliery carbon dioxide sensor.
Background technology
China is coal production maximum in the world and country of consumption, is also that a few take coal as one of country of main energy sources in the world.In progress of coal mining, have multiple pernicious gas to coexist in coal seam, as CH4, CO, SO2, NH3 etc., latter two gas content is few, and with water-soluble, can process through water spray; But CH4, CO content is many, and is insoluble in water, belongs to flammable explosive gas again, and gas density reaches explosion limit, have enough oxygen and uniform temperature ignite burning things which may cause a fire disaster time, will gas explosion be there is, bring hidden danger to the life security of coal mining person.The gas that CO2 content is higher, excessive concentration can affect people and breathe, and is easy to cause death by suffocation.Oxygen O2 aloft content is very high, if lower than finite concentration, people can be allowed to breathe confusion, lose consciousness, even dead.
Current existing oxygen sensor sensitivity and poor stability, the working time is short, is not suitable for mining work under mine, simultaneously less than normal to the detection range of hazardous gas, also just reduces security performance to a certain extent.
Summary of the invention
Technical problem to be solved by this invention provides GRH5 colliery carbon dioxide sensor for above drawback, adopt the electronic sensor of embedded microcontroller Based Intelligent Control, group of four figures pipe display, simple to operate, easy to use, safe and reliable, be mainly used in the testing and alarm of carbon dioxide, can 0-5%CO be reached to the detection range of carbon dioxide
2.
For solving the problems of the technologies described above, technical scheme of the present invention is:
GRH5 colliery carbon dioxide sensor, comprise housing and carbon dioxide monitoring device, described housing comprises upper shell, lower house and handle, described upper shell is provided with display window, warning window, described lower house comprises sensor placed cavity and is arranged on the gas-monitoring chamber of sensor placed cavity both sides, and gas-monitoring chamber is evenly provided with some air vents;
Described upper shell top is provided with upper plate, upper plate is provided with the first chute of circular ring structure, the cross sectional shape of the first chute is inverted T-shaped structure, the internal diameter of the first chute is d1, described handle comprises the support handle that a horizontally disposed lift-pull handle and two are vertically arranged on lift-pull handle both sides, the cross sectional shape of described support handle is arc-shaped structure, the arc radius of support handle is r1, central angle is a, 50 ° of < a < 70 °, 2*r1=d1, described support handle bottom arranges the first slide block, described first slide block and the first chute matched in clearance,
Described carbon dioxide monitoring device comprises battery, carbon dioxide sensor, signal adapter, signal amplifier, wave filter, carrier catalyst element, data collecting card, data storage, single-chip microcomputer, numeral method device, alarm, wireless transport module;
Described numeral method device is fixed in indicator gate, carbon dioxide sensor is arranged in the sensor placed cavity of lower house, carbon dioxide sensor is connected with the battery be arranged in upper shell, signal adapter, signal amplifier, wave filter, carrier catalyst element, single-chip microcomputer successively, and single-chip microcomputer is connected with data collecting card, data storage, numeral method device, alarm, wireless transport module respectively;
Described alarm comprises highlighted LED light emitting diode, the passive buzzer of paster, and described highlighted LED light emitting diode, the passive buzzer of paster are all connected with single-chip microcomputer, and the passive buzzer of described paster and highlighted LED light emitting diode are arranged in warning window.
Above-mentioned GRH5 colliery carbon dioxide sensor, wherein, described wireless transport module Si4432 wireless transport module.
Above-mentioned GRH5 colliery carbon dioxide sensor, wherein, described wireless transport module is using amplitude modulation AM as wireless communication mode, and its operating frequency is 315MHZ/433MHZ, and frequency stability is ± 75KHZ, transmitting power≤500mW, quiescent current≤0.1UA, emission current is 3 ~ 50mA, and operating voltage is DC3.7V, described data storage is frame memory, and its memory capacity is 60 frame ~ 20 frames.
Above-mentioned GRH5 colliery carbon dioxide sensor, wherein, the measurement category of carbon dioxide is (0 ~ 5.00) %CO2.
Operating principle of the present invention is: this GRH5 colliery carbon dioxide sensor is at 0-5%CO
2any alarm point in scope, carbon dioxide sensor detects the oxygen content in air, the signal of telecommunication is converted thereof into by signal adapter, the signal of telecommunication amplifies through amplifier, after filters filter, by signal transmission carrier catalyst element, carrier catalyst element by testing result in single-chip microcomputer, single-chip microcomputer carries out three to the result detected and processes simultaneously, 1, result is passed to numeral method device and carries out numerical value display, 2, by wireless transport module, testing result is transferred to remote monitoring main frame, 3, be stored in data storage by result;
When single-chip microcomputer reads after gas concentration lwevel in external environment exceedes alarm point concentration, control highlighted LED light emitting diode and report to the police as light; The passive buzzer of paster is as acoustic alarm.
Beneficial effect of the present invention is:
This sensor is mainly applicable to the place that there is gas explosion danger in colliery, as places such as colliery roadway, getting working face, goaf, return aircourse, belt-conveying tunnel, dynamo-electric chambers, continuous monitoring methane concentration, automatically records every half an hour and stores frame data; When gas concentration lwevel transfinites, detector sends sound immediately, light is reported to the police.
The numeral method device of this sensor is connected with single-chip microcomputer, has clock display function, and within coal mines can not be explosion caused, safe and reliable.
The housing of this sensor is divided into upper shell, lower house, upper shell is provided with handle, handle can and upper shell between relatively rotate, convenient flexibly, add application life, meanwhile, structure is simple, and flexible operation is easy to use, omnibearing gas concentration lwevel in colliery can be monitored, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention.
Fig. 2 is schematic diagram of the present invention.
Fig. 3 is B portion of the present invention sectional view.
Fig. 4 is top view of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
GRH5 colliery carbon dioxide sensor as shown in the figure, comprise housing 1 and carbon dioxide monitoring device 2, described housing 1 comprises upper shell 3, lower house 4 and handle 5, described upper shell 3 is provided with display window 6, warning window 7, described lower house 4 comprises sensor placed cavity 8 and is arranged on the gas-monitoring chamber 9 of sensor placed cavity both sides, gas-monitoring chamber 9 is evenly provided with some air vents 10;
Described upper shell 3 top is provided with upper plate 11, upper plate 11 is provided with the first chute 12 of circular ring structure, the cross sectional shape of the first chute 12 is inverted T-shaped structure, the internal diameter of the first chute 12 is d1, described handle 5 comprises the support handle 14 that a horizontally disposed lift-pull handle 13 and two are vertically arranged on lift-pull handle both sides, the cross sectional shape of described support handle 14 is arc-shaped structure, the arc radius of support handle 14 is r1, central angle is a, 50 ° of < a < 70 °, 2*r1=d1, described support handle 14 bottom arranges the first slide block 15, described first slide block 15 and the first chute 12 matched in clearance,
Described carbon dioxide monitoring device 2 comprises battery 19, carbon dioxide sensor 20, signal adapter 21, signal amplifier 22, wave filter 23, carrier catalyst element 24, data collecting card 25, data storage 33, single-chip microcomputer 26, numeral method device 27, alarm 28, Si4432 wireless transport module 29;
Described numeral method device 27 is fixed in indicator gate 6, carbon dioxide sensor 20 is arranged in the sensor placed cavity 8 of lower house, carbon dioxide sensor 20 is connected with the battery 19 be arranged in upper shell 3, signal adapter 21, signal amplifier 22, wave filter 23, carrier catalyst element 24, single-chip microcomputer 26 successively, and single-chip microcomputer 26 is connected with data collecting card 25, data storage 33, numeral method device 27, alarm 28, Si4432 wireless transport module 29 respectively;
Described alarm 28 comprises highlighted LED light emitting diode 30, the passive buzzer 31 of paster, described highlighted LED light emitting diode 30, the passive buzzer 31 of paster are all connected with single-chip microcomputer 26, and the passive buzzer of described paster 31 and highlighted LED light emitting diode 30 are arranged in warning window 7.
This GRH5 colliery carbon dioxide sensor is at 0-5%CO
2any alarm point in scope, carbon dioxide sensor detects the oxygen content in air, the signal of telecommunication is converted thereof into by signal adapter, the signal of telecommunication amplifies through amplifier, after filters filter, by signal transmission carrier catalyst element, carrier catalyst element by testing result in single-chip microcomputer, single-chip microcomputer carries out two to the result detected and processes simultaneously, and 1, result is passed to numeral method device carries out numerical value display, 2, result is stored in data collecting card;
When single-chip microcomputer reads after gas concentration lwevel in external environment exceedes alarm point concentration, control highlighted LED light emitting diode and report to the police as light; The passive buzzer of paster is as acoustic alarm; The cylindrical vibrating motor of small size, strong vibration sense, stable performance is as vibration alarming.
This sensor is mainly applicable to the place that there is gas explosion danger in colliery, as places such as colliery roadway, getting working face, goaf, return aircourse, belt-conveying tunnel, dynamo-electric chambers, continuous monitoring methane concentration, automatically records every half an hour and stores frame data; When gas concentration lwevel transfinites, detector sends sound immediately, light is reported to the police.
This sensor is provided with illuminating lamp, adopts without gold thread ceramic base LEDFlash light source, has the advantages such as compact conformation, high light flux, specular removal, resistance to heavy current impact, good thermal conductivity.Under special circumstances, can use Macintosh, long by about 4 seconds, open emergency lamp, lighting time is 60 seconds, and illuminating lamp is arranged on handle, and open and close is easy to operate, has saved operating efficiency.
The numeral method device of this sensor is connected with single-chip microcomputer, has clock display function, and within coal mines can not be explosion caused, safe and reliable.
The housing of this sensor is divided into upper shell, lower house, upper shell is provided with handle, handle can and upper shell between relatively rotate, convenient flexibly, add application life, meanwhile, structure is simple, and flexible operation is easy to use, omnibearing gas concentration lwevel in colliery can be monitored, safe and reliable.
The technical data of the GRH5 colliery carbon dioxide sensor of the present embodiment is as follows:
1, environment for use condition:
---temperature: 0 ~ 40 DEG C;
---humidity :≤98%;
---atmospheric pressure: 80 ~ 116kPa.
---wind speed: 0 ~ 8m/s;
2, measurement category: (0 ~ 5.00) %CO2.
3, elementary error
During (0.00 ~ 0.50) %CO2, be not more than ± 0.10%CO2
>(0.50 ~ 5.00) %CO2 time, be not more than ± (5% of 0.05+ true value) %CO2.
4, alarm point: arrange arbitrarily in measurement category, default setting when dispatching from the factory is 0.50%CO2.
5, warning error: ± 0.04%CO2.
6, type of alarm and effect: acoustic alarm, from sound source axial distance one meter of distant place, the sound intensity is not less than 80dB.
7, sensor resolution: 0.01%CO2.
8, the response time: be not more than 30s.
9, complete machine operating voltage: 9V ~ 24VDC.
In sum, GRH5 colliery carbon dioxide sensor, adopts the electronic sensor of embedded microcontroller Based Intelligent Control, group of four figures pipe display, simple to operate, easy to use, safe and reliable, be mainly used in the testing and alarm of carbon dioxide, can 0-5%CO be reached to the detection range of carbon dioxide
2.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (4)
1.GRH5 colliery carbon dioxide sensor, it is characterized by, comprise housing and carbon dioxide monitoring device, described housing comprises upper shell, lower house and handle, described upper shell is provided with display window, warning window, described lower house comprises sensor placed cavity and is arranged on the gas-monitoring chamber of sensor placed cavity both sides, and gas-monitoring chamber is evenly provided with some air vents;
Described upper shell top is provided with upper plate, upper plate is provided with the first chute of circular ring structure, the cross sectional shape of the first chute is inverted T-shaped structure, the internal diameter of the first chute is d1, described handle comprises the support handle that a horizontally disposed lift-pull handle and two are vertically arranged on lift-pull handle both sides, the cross sectional shape of described support handle is arc-shaped structure, the arc radius of support handle is r1, central angle is a, 50 ° of < a < 70 °, 2*r1=d1, described support handle bottom arranges the first slide block, described first slide block and the first chute matched in clearance,
Described carbon dioxide monitoring device comprises battery, carbon dioxide sensor, signal adapter, signal amplifier, wave filter, carrier catalyst element, data collecting card, data storage, single-chip microcomputer, numeral method device, alarm, wireless transport module;
Described numeral method device is fixed in indicator gate, carbon dioxide sensor is arranged in the sensor placed cavity of lower house, carbon dioxide sensor is connected with the battery be arranged in upper shell, signal adapter, signal amplifier, wave filter, carrier catalyst element, single-chip microcomputer successively, and single-chip microcomputer is connected with data collecting card, data storage, numeral method device, alarm, wireless transport module respectively;
Described alarm comprises highlighted LED light emitting diode, the passive buzzer of paster, and described highlighted LED light emitting diode, the passive buzzer of paster are all connected with single-chip microcomputer, and the passive buzzer of described paster and highlighted LED light emitting diode are arranged in warning window;
Operating principle of the present invention is: this GRH5 colliery carbon dioxide sensor is any alarm point within the scope of 0-5%CO2, carbon dioxide sensor detects the oxygen content in air, the signal of telecommunication is converted thereof into by signal adapter, the signal of telecommunication amplifies through amplifier, after filters filter, by signal transmission carrier catalyst element, carrier catalyst element by testing result in single-chip microcomputer, single-chip microcomputer carries out three to the result detected and processes simultaneously, 1, result is passed to numeral method device and carries out numerical value display, 2, by wireless transport module, testing result is transferred to remote monitoring main frame, 3, result is stored in data storage, when single-chip microcomputer reads after gas concentration lwevel in external environment exceedes alarm point concentration, control highlighted LED light emitting diode and report to the police as light, the passive buzzer of paster is as acoustic alarm.
2. GRH5 colliery as claimed in claim 1 carbon dioxide sensor, is characterized by, described wireless transport module Si4432 wireless transport module.
3. GRH5 colliery as claimed in claim 1 carbon dioxide sensor, it is characterized by, described wireless transport module is using amplitude modulation AM as wireless communication mode, and its operating frequency is 315MHZ/433MHZ, and frequency stability is ± 75KHZ, transmitting power≤500mW, quiescent current≤0.1UA, emission current is 3 ~ 50mA, and operating voltage is DC3.7V, described data storage is frame memory, and its memory capacity is 60 frame ~ 20 frames.
4. GRH5 colliery as claimed in claim 1 carbon dioxide sensor, it is characterized by, the measurement category of carbon dioxide is (0 ~ 5.00) %CO2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647579.5A CN105134297A (en) | 2015-10-09 | 2015-10-09 | Carbon dioxide sensor for GRH5 coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647579.5A CN105134297A (en) | 2015-10-09 | 2015-10-09 | Carbon dioxide sensor for GRH5 coal mine |
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| Publication Number | Publication Date |
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| CN105134297A true CN105134297A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510647579.5A Pending CN105134297A (en) | 2015-10-09 | 2015-10-09 | Carbon dioxide sensor for GRH5 coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150221A (en) * | 2017-12-06 | 2018-06-12 | 山西宏安翔科技股份有限公司 | A kind of mineral multi-parameter monitor |
| CN114673559A (en) * | 2022-05-27 | 2022-06-28 | 太原理工大学 | Real-time accurate monitoring method and system for mine permeable catastrophe information |
Citations (3)
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|---|---|---|---|---|
| CN202281761U (en) * | 2011-11-10 | 2012-06-20 | 陕西斯达煤矿安全装备有限公司 | Low-concentration methane sensor |
| CN103424503A (en) * | 2012-05-15 | 2013-12-04 | 北京凌天世纪自动化技术有限公司 | Methane-carbon monoxide dual-purpose measuring apparatus |
| CN205315042U (en) * | 2015-10-09 | 2016-06-15 | 扬中市南方矿用电器有限公司 | GRH5 uses in colliery carbon dioxide sensor |
-
2015
- 2015-10-09 CN CN201510647579.5A patent/CN105134297A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281761U (en) * | 2011-11-10 | 2012-06-20 | 陕西斯达煤矿安全装备有限公司 | Low-concentration methane sensor |
| CN103424503A (en) * | 2012-05-15 | 2013-12-04 | 北京凌天世纪自动化技术有限公司 | Methane-carbon monoxide dual-purpose measuring apparatus |
| CN205315042U (en) * | 2015-10-09 | 2016-06-15 | 扬中市南方矿用电器有限公司 | GRH5 uses in colliery carbon dioxide sensor |
Non-Patent Citations (1)
| Title |
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| 扬中市南方矿用电器有限公司: "GRH5煤矿用二氧化碳传感器使用说明书", 《GRH5煤矿用二氧化碳传感器使用说明书》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150221A (en) * | 2017-12-06 | 2018-06-12 | 山西宏安翔科技股份有限公司 | A kind of mineral multi-parameter monitor |
| CN114673559A (en) * | 2022-05-27 | 2022-06-28 | 太原理工大学 | Real-time accurate monitoring method and system for mine permeable catastrophe information |
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Application publication date: 20151209 |