CN105136997B - GYH25 oxygen sensor for mine - Google Patents
GYH25 oxygen sensor for mine Download PDFInfo
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- CN105136997B CN105136997B CN201510647403.XA CN201510647403A CN105136997B CN 105136997 B CN105136997 B CN 105136997B CN 201510647403 A CN201510647403 A CN 201510647403A CN 105136997 B CN105136997 B CN 105136997B
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Abstract
The invention relates to a GYH25oxygen sensor for a mine. The oxygen sensor comprises a shell and an oxygen monitoring device. A handle is arranged on the shell. The shell comprises an upper shell body and a lower shell body. The upper shell body and the lower shell body are connected through a supporting arm. The upper shell body is provided with a display window and an alarm window. The lower shell body comprises a sensor containing cavity and gas monitoring cavities arranged on the two sides of the sensor containing cavity. The oxygen monitoring device comprises a battery, an oxygen sensor body, a signal converter, a signal amplifier, a filter, a data collecting card, a data storage, a CPU, a nixie tube displayer, a single-chip microcomputer, an alarm device, a wireless transmission module, an internet and a remote monitoring host. According to the method, an electronic device in the electro-chemistry principle, intelligently controlled through an embedded controller and carrying out displaying through a nixie tube is adopted, operation is easy, use is convenient, the oxygen sensor is safe and reliable and is mainly used for oxygen detection and alarm, and the oxygen detection range can reach 0-25%O2.
Description
Technical field
The present invention relates to a kind of apparatus for determination of gas, particularly GYH25 coals mining oxygen sensor.
Background technology
, there are a large amount of gas in work under bad environment under mine, not only influence workman's is healthy, and easily work is set
It is standby to impact, and security incident can be triggered.In generally there is coal body with free state and adsorbed state in gas, and in continuous
Variable condition.After coal body is plucked out of and in subsequent transport and washing process, destruction and environment with Coal Pore Structure
Change, the gas in coal body continuously escaped into air, when ventilation just returns generation gas when smooth and space is not larger
Gather.When having high temperature burning things which may cause a fire disaster and too high oxygen concentration, it is easy for gas explosion, when oxygen concentration is too low, can be to work
The life security for making personnel threatens.Current existing oxygen sensor sensitivity and stability are poor, and the working time is short, uncomfortable
The mining work under mine is closed, at the same it is less than normal to the detection range of hazardous gas, security is also just reduced to a certain extent
Energy.
The content of the invention
The technical problems to be solved by the invention are directed to above drawback and provide GYH25 coal mining oxygen sensors, use
Electrochemical principle, embedded controller Based Intelligent Control, the electronic instrument of numeral method, it is simple to operate, it is easy to use, safely may be used
Lean on, be mainly used in the detection and alarm of oxygen, the detection range to oxygen can reach 0-25% O2。
In order to solve the above technical problems, the technical scheme is that：
GYH25 coal mining oxygen sensors, including housing and oxygen monitoring device, housing are provided with handle, the housing
Including upper shell and lower house, it is connected by support arm between upper shell and lower house, the upper shell is provided with display window
Mouth, warning window, the lower house include sensor placed cavity and are arranged on the gas-monitoring chamber of sensor placed cavity both sides, gas
Body monitoring is uniformly provided with some passages on chamber；
The oxygen monitoring device includes battery, oxygen sensor, signal adapter, signal amplifier, wave filter, data
It is capture card, data storage, CPU element, numeral method device, single-chip microcomputer, alarm, wireless transport module, internet, long-range
Monitoring host computer；
The numeral method device is fixed in indicator gate, and the sensor that oxygen sensor is arranged on lower house is placed
In chamber, the oxygen of oxygen sensor probe is arranged in gas-monitoring chamber, oxygen sensor successively be arranged on upper shell
Interior battery, signal adapter, signal amplifier, wave filter, CPU element are connected, CPU element respectively with data collecting card,
Data storage, single-chip microcomputer, alarm, wireless transport module are connected, and the single-chip microcomputer is connected with numeral method device, nothing
Line transport module is connected by internet with remote monitoring main frame；
The alarm include highlighted LED light emitting diodes, the passive buzzer of paster, the highlighted LED light emitting diodes,
The passive buzzer of paster is connected with CPU element, and the passive buzzer of paster and highlighted LED light emitting diodes are arranged on report
In alert window.
Above-mentioned GYH25 coals mining oxygen sensor, wherein, the wireless transport module is RF903 wireless transport modules.
Above-mentioned GYH25 coals mining oxygen sensor, wherein, the wireless transport module is using amplitude modulation AM as wireless telecommunications side
Formula, its working frequency be 315MHZ/433MHZ, frequency stability be ± 75KHZ, transmission power≤500mW, quiescent current≤
0.1UA, emission current is 3~50mA, and operating voltage is DC 3.7V, and the data storage is frame memory, and its storage is held
It is 60 frame ~ 20 frames to measure.
Above-mentioned GYH25 coals mining oxygen sensor, wherein, the measurement range of oxygen is (0.0 ~ 25.0) %O2.
Operation principle of the invention is：GYH25 coals mining oxygen sensor is in 0-25% O2In the range of any setting it is high-order
Alarm point and low alarm point, oxygen sensor detect the oxygen content in air by oxygen probe, by signal adapter
Convert thereof into electric signal, electric signal amplifies by amplifier, after filters filter, in transmitting signals to CPU element, CPU
Unit carries out three to the result for detecting and processes simultaneously, 1, result is transferred to numeral method device carries out numerical value to show, 2,
Testing result is transmitted to remote monitoring main frame by wireless transport module, 3, result is stored in data storage；
Oxygen concentration exceedes full level alarm point or less than low alarm point concentration in CPU element detects external environment
Afterwards, controller controls highlighted LED light emitting diodes as light alarm.
Beneficial effects of the present invention are：
This sensor is primarily adapted for use in colliery a dangerous place of gas explosion, such as colliery roadway, getting working face, mined out
Area, return aircourse, belt-conveying tunnel, electromechanical chamber etc., continuous monitoring methane concentration is recorded and deposited automatically every half an hour
Store up a frame data；When oxygen concentration transfinites, detector sends sound, light alarm immediately.
The numeral method device of this sensor is connected with single-chip microcomputer, with clock display function, and within coal mines will not
Trigger blast, it is safe and reliable.
The housing of this sensor is divided into upper shell and lower house, can be by support arm and branch between upper shell and lower house
The effect for supportting chute is relatively rotated, simple structure, and operation is flexible, easy to use, can be comprehensive to the oxygen in colliery
Gas is monitored, safe and reliable.
Brief description of the drawings
Fig. 1 is structure chart of the invention.
Fig. 2 is schematic diagram of the invention.
Fig. 3 is A portions of the present invention enlarged drawing.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
GYH25 coals mining oxygen sensor, including housing as shown in the figure 1 and oxygen monitoring device 2, housing 1 are provided with handle
Hand 3, the housing 1 includes upper shell 4 and lower house 5, is connected by support arm 6 between upper shell 4 and lower house 5, described
Upper shell 4 is provided with display window 7, warning window 8, and the lower house 5 includes sensor placed cavity 9 and be arranged on sensor putting
The gas-monitoring chamber 10 of chamber both sides is put, some passages 11 are uniformly provided with gas-monitoring chamber 10；
The support arm 6 is cirque structure, and support arm 6 includes linking arm 15 and snap-arms 16, the linking arm 15
Cross sectional shape is rectangle, and the one end of linking arm 16 is fixed on the top of lower house 5, and the other end is connected with snap-arms 16, the clamping
The cross sectional shape of arm 16 is circle, and the bottom of the upper shell 4 is provided with support base 17, support base 17 and was provided with line chamber 18, supports
Annular is provided with circle support chute 19 on seat 17, in what the support arm 6 agreed be arranged on support chute 19, make upper shell 4 with
Can be relatively rotated between lower house 5, be connected by passing channel 20 between the gas-monitoring chamber 10 and line chamber 18 excessively,
The passing channel 20 includes the channel body 21 of hollow cylindrical structural and is arranged on channel body two in arc-shaped structure
The clamping at end protrudes 22, makes passing channel integrally in I-structure, and described two clampings protrude 22 and were separately positioned on the He of line chamber 18
In gas-monitoring chamber 10, axle center and the center of circle of support arm 6 of passing channel 20 coincide；
The oxygen monitoring device 2 includes battery 13, oxygen sensor 24, signal adapter 25, signal amplifier 26, filter
Ripple device 27, data collecting card 28, data storage 39, CPU element 29, numeral method device 30, single-chip microcomputer 31, alarm 32,
RF903 wireless transport modules 33, internet 34, remote monitoring main frame 35；
The numeral method device 30 is fixed in indicator gate 7, and oxygen sensor 24 is arranged on the sensing of lower house
In device placed cavity 9, the oxygen probe 36 of the oxygen sensor 24 is arranged in gas-monitoring chamber 10, the company of oxygen sensor 24
Connect wires through passing channel 20 successively with the battery 13, signal adapter 25, signal amplifier 26 being arranged in upper shell 4,
Wave filter 27, CPU element is connected 29, CPU element 29 respectively with data collecting card 28, data storage 39, single-chip microcomputer 31, report
Alert instrument 32, RF903 wireless transport modules 33 are connected, and the single-chip microcomputer 31 is connected with numeral method device 30, and RF903 is wireless
Transport module 33 is connected by internet 34 with remote monitoring main frame 35；
The alarm 32 includes the passive buzzer 38 of highlighted LED light emitting diodes 37, paster, and the highlighted LED lights
The passive buzzer 38 of diode 37, paster is connected with CPU element 29, and the passive buzzer 38 of paster and highlighted LED send out
Optical diode 37 is arranged in warning window 8.
This GYH25 coals mining oxygen sensor is in 0-25% O2In the range of any setting full level alarm point and low alarm
Point, oxygen sensor converts thereof into electric signal by the oxygen content in oxygen probe detection air by signal adapter,
Electric signal amplifies by amplifier, and after filters filter, in transmitting signals to CPU element, CPU element is to the result that detects
Carry out three to process simultaneously, 1, result is transferred to numeral method device carries out numerical value to show, 2, will by wireless transport module
Testing result is transmitted to remote monitoring main frame, and 3, result is stored in data storage；
Oxygen concentration exceedes full level alarm point or less than low alarm point concentration in CPU element detects external environment
Afterwards, controller controls highlighted LED light emitting diodes as light alarm.
This sensor is primarily adapted for use in colliery a dangerous place of gas explosion, such as colliery roadway, getting working face, mined out
Area, return aircourse, belt-conveying tunnel, electromechanical chamber etc., continuous monitoring methane concentration is recorded and deposited automatically every half an hour
Store up a frame data；When oxygen concentration transfinites, detector sends sound, light alarm immediately.
The numeral method device of this sensor is connected with single-chip microcomputer, with clock display function, and within coal mines will not
Trigger blast, it is safe and reliable.
The housing of this sensor is divided into upper shell and lower house, can be by support arm and branch between upper shell and lower house
The effect for supportting chute is relatively rotated, simple structure, and operation is flexible, easy to use, can be comprehensive to the oxygen in colliery
Gas is monitored, safe and reliable.
The technical parameter of the CTH1000A carbon monoxide testers of the present embodiment is as follows：
1st, use environment condition：
--- temperature：0~40℃;
--- humidity：≤98%；
--- atmospheric pressure：80~110kPa.
--- wind speed：0~8m/s；
2nd, measurement range：(0.0~25.0)%O2.
3rd, elementary error：No more than ± the 3.0% of measurement range.
4th, alarm point：Arbitrarily set in measurement range.
5th, alarm error：0.5%O2.
6th, type of alarm and effect：Acoustic alarm, one meter from sound source axial distance distant place, the sound intensity is not less than 80dB.
7th, sensor resolution：0.1%O2.
8th, the response time：No more than 60s.
9th, whole machine operating voltage：9V~24V DC.
In sum, GYH25 coals mining oxygen sensor, using electrochemical principle, embedded controller Based Intelligent Control, number
The electronic instrument that code pipe shows, it is simple to operate, it is easy to use, it is safe and reliable, it is mainly used in the detection and alarm of oxygen, to oxygen
Detection range can reach 0-25% O2。
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In, therefore, the present invention is not limited by the present embodiment, and the technical scheme that any use equivalence replacement is obtained is protected in the present invention
In the range of.
Claims (1)
1.GYH25 coal mining oxygen sensors, it is characterized by, including housing and oxygen monitoring device, housing are provided with handle, institute
Stating housing includes upper shell and lower house, is connected by support arm between upper shell and lower house, and the upper shell is provided with
Display window, warning window, the lower house include sensor placed cavity and are arranged on the gas prison of sensor placed cavity both sides
Chamber is surveyed, some passages are uniformly provided with gas-monitoring chamber；
The support arm is cirque structure, and support arm includes linking arm and snap-arms, and the cross sectional shape of the linking arm is square
Shape, linking arm one end is fixed on lower house top, and the other end is connected with snap-arms, and the cross sectional shape of the snap-arms is circle
Shape, the upper shell bottom is provided with support base, and line chamber was provided with support base, and annular is provided with circle support chute on support base,
What the support arm agreed with is arranged in support chute, makes to be relatively rotated between upper shell and lower house, the gas
It is connected by passing channel between monitoring chamber and line chamber excessively, the passing channel includes the passage master of hollow cylindrical structural
Body and protruded in the clamping that arc-shaped structure is arranged on channel body two ends, make passing channel integrally in I-structure, two clampings
Protrusion was separately positioned in line chamber and gas-monitoring chamber, and the axle center of passing channel coincides with the center of circle of support arm；
The oxygen monitoring device includes battery, oxygen sensor, signal adapter, signal amplifier, wave filter, data acquisition
It is card, data storage, CPU element, numeral method device, single-chip microcomputer, alarm, RF903 wireless transport modules, internet, remote
Range monitoring main frame；
The numeral method device is fixed in display window, and oxygen sensor is arranged in the sensor placed cavity of lower house,
The oxygen probe of the oxygen sensor is arranged in gas-monitoring chamber, the connection electric wire of oxygen sensor through passing channel according to
It is secondary to be connected with the battery being arranged in upper shell, signal adapter, signal amplifier, wave filter, CPU element, CPU element point
Be not connected with data collecting card, data storage, single-chip microcomputer, alarm, RF903 wireless transport modules, the single-chip microcomputer with
Numeral method device is connected, and RF903 wireless transport modules are connected by internet with remote monitoring main frame；
The alarm includes highlighted LED light emitting diodes, the passive buzzer of paster, the highlighted LED light emitting diodes, paster
Passive buzzer is connected with CPU element, and the passive buzzer of paster and highlighted LED light emitting diodes are arranged on window annunciator
It is intraoral；
GYH25 coal mining oxygen sensors are in 0-25%O2In the range of any setting full level alarm point and low alarm point, oxygen passes
Sensor converts thereof into electric signal, electric signal warp by the oxygen content in oxygen probe detection air by signal adapter
Signal amplifier amplification is crossed, after filters filter, is transmitted signals in CPU element, CPU element is carried out to the result for detecting
Three step process, result is transferred to numeral method device and carries out numerical value to show by (1), and (2) will be detected by wireless transport module and be tied
Fruit is transmitted to remote monitoring main frame, and be stored in result in data storage by (3)；
After oxygen concentration is more than full level alarm point or less than low alarm point concentration during CPU element detects external environment, control
Device processed controls highlighted LED light emitting diodes as light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510647403.XA CN105136997B (en) | 2015-10-09 | 2015-10-09 | GYH25 oxygen sensor for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647403.XA CN105136997B (en) | 2015-10-09 | 2015-10-09 | GYH25 oxygen sensor for mine |
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| CN105136997A CN105136997A (en) | 2015-12-09 |
| CN105136997B true CN105136997B (en) | 2017-05-24 |
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| CN201510647403.XA Active CN105136997B (en) | 2015-10-09 | 2015-10-09 | GYH25 oxygen sensor for mine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198899A (en) * | 2016-09-28 | 2016-12-07 | 南京铁道职业技术学院 | A kind of Communication ray cable run unmanned well oxygen content testing circuit |
| US10957180B2 (en) | 2017-05-12 | 2021-03-23 | Robert Levine | Confined space failsafe access system |
| 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 |
| CN112459842B (en) * | 2020-11-20 | 2022-07-01 | 安徽信息工程学院 | Coal mine underground air monitor |
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