CN110865152A - Gas sensor aging device for coal mine and detection method - Google Patents
Gas sensor aging device for coal mine and detection method Download PDFInfo
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- CN110865152A CN110865152A CN201911190201.1A CN201911190201A CN110865152A CN 110865152 A CN110865152 A CN 110865152A CN 201911190201 A CN201911190201 A CN 201911190201A CN 110865152 A CN110865152 A CN 110865152A
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- gas sensor
- coal mine
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/004—Specially adapted to detect a particular component for CO, CO2
Abstract
The invention relates to a gas sensor aging device for a coal mine and a detection method, wherein the gas sensor aging device for the coal mine comprises an acquisition board, a sealing cabinet and a computer; the gas sensor aging device for the coal mine further comprises a stirring fan, an air inlet valve and an air outlet valve, wherein the stirring fan, the air inlet valve and the air outlet valve are controlled by the acquisition board; the acquisition board is connected with the computer upper computer through a serial port, the upper computer performs information interaction on the probe on each acquisition board, and automatic control and manual control commands are sent to the main control board. According to the gas sensor aging device and the detection method for the coal mine, unqualified products are judged and screened by reading key parameters of the transmitter, ventilation test is not required to be carried out on one single machine, the test workload is reduced, the production efficiency of the sensor is greatly improved, the health and potential safety hazards to testers are reduced, data in the production detection process of the sensor can be traced through unique code query, and the reliability is guaranteed.
Description
Technical Field
The invention relates to the technical field of gas sensor aging, in particular to a gas sensor aging device for a coal mine and a detection method.
Background
In coal mine safety monitoring systems, monitoring of hazardous gases is of central importance. Every year, coal mine gas sensors such as gas, carbon monoxide, carbon dioxide and oxygen are in great demand, and the number of large coal mine sensors reaches thousands. Before production is completed, a large amount of test work needs to be carried out on one gas sensor, the test of ventilating is carried out manually one by one in the need of the test process, experimental data are recorded manually, and time and labor are wasted, and the efficiency is low.
Because the gas sensor detection principle is different, some gas sensors need to be inflated and aged, for example, black and white elements in the gas sensor for coal mines need to be inflated and aged independently. Adopt ageing device at present only to irritate gas ageing to sensing element in a confined space, can't filter the component, can not automatic recording ageing in-process experimental data, still need artifically to calibrate and ventilate the detection one by one to the sensor after ageing moreover, bring very big inconvenience for production. Data in the debugging process can only be recorded through the manual work, wastes time and energy and is low in efficiency, the process data that detects before leaving the factory can not be tracked after the product leaves the factory, and partial gas has the hidden danger to the health of testing personnel and safety in addition.
Disclosure of Invention
The invention aims to provide a gas sensor aging device for a coal mine, which comprises an acquisition board, a sealing cabinet and a computer; the gas sensor aging device for the coal mine further comprises a stirring fan, an air inlet valve and an air outlet valve, wherein the stirring fan, the air inlet valve and the air outlet valve are controlled by the acquisition board; the acquisition board is connected with a computer upper computer through a serial port, the upper computer performs information interaction on the probe on each acquisition board, and automatic control and manual control commands are sent to the main control board.
In one example, the gas sensor aging device for the coal mine further comprises a control cabinet, and the control cabinet comprises a gas circuit, an electromagnetic valve and a power supply module.
In one example, the gas sensor comprises a transmitter and an instrument board, wherein the transmitter realizes the functions of acquiring and processing data of the sensing element and converting the data into final concentration, and the instrument board realizes the functions of displaying, alarming and transmitting.
In one example, the sealed cabinet comprises 10 acquisition boards, and each acquisition board can acquire signals of 25 transmitters.
In one example, the transmitter on the acquisition board includes a unique code that records the location of the transmitter on the acquisition board.
In one example, the enclosure includes an aging indicator.
The invention also provides a method for detecting the aging of the gas sensor for the coal mine, and the gas sensor aging device for the coal mine is used.
In one example, the aging device for the gas sensor for the coal mine is directly placed after production of the transmitter is completed, the aging period is set through the upper computer, the upper computer can screen the gas sensor through information interaction, and the screening standard is that when the zero point and the sensitivity parameter of the transmitter exceed the specified range, the transmitter is considered to be abnormal.
In one example, the standard gas of the gas sensor aging device for coal mine is introduced by opening a control valve, and after the concentration of the standard gas in the gas sensor aging device for coal mine meets the requirement, the ventilation valve is closed.
In one example, calibration is performed in batches through the upper computer, and normal ventilation testing is performed in batches after calibration.
According to the aging device and the detection method for the gas sensor for the coal mine, unqualified products are judged and screened by reading key parameters of the transmitter, batch gas filling aging test, batch calibration and batch normal ventilation test of the gas sensor can be realized, ventilation test is not required to be carried out one by one, the test workload is reduced, the production efficiency of the sensor is greatly improved, and meanwhile, the health and potential safety hazards to testers are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic composition diagram of a gas sensor aging apparatus for coal mines according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a gas sensor according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an aging apparatus for a gas sensor for a coal mine according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In order to clearly describe all features of an actual embodiment. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The gist and feature of the present invention will become apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are necessary for a convenient and clear understanding of the embodiments of the present invention.
An embodiment of the present invention provides an aging device for a gas sensor for a coal mine, and as shown in fig. 1, fig. 1 is a schematic composition diagram of the aging device for a gas sensor for a coal mine provided by the embodiment of the present invention; the gas sensor aging device for the coal mine comprises an acquisition board, a sealing cabinet and a computer; the gas sensor aging device for the coal mine further comprises a stirring fan, an air inlet valve and an air outlet valve, wherein the stirring fan, the air inlet valve and the air outlet valve are controlled by the acquisition board; the acquisition board is connected with the computer upper computer through a serial port, the upper computer performs information interaction on the probe on each acquisition board, and automatic control and manual control commands are sent to the main control board.
According to the aging device for the gas sensor for the coal mine, unqualified products are judged and screened by reading key parameters of the transmitter, batch gas filling aging test, batch calibration and batch normal ventilation test of the gas sensor can be realized, ventilation test is not required to be carried out one by one, the test workload is reduced, the production efficiency of the sensor is greatly improved, and health and potential safety hazards to testers are reduced.
Alternatively, as shown in fig. 2, fig. 2 is a schematic diagram of a gas sensor provided in an embodiment of the present invention; the gas sensor comprises a transmitter and an instrument board, the transmitter realizes the function of acquiring, processing and converting data of the sensing element into final concentration, and the instrument board realizes the functions of displaying, alarming and transmitting.
Alternatively, as shown in fig. 3, fig. 3 is a schematic diagram of an aging apparatus for a gas sensor for coal mines according to an embodiment of the present invention; the gas sensor aging device for the coal mine further comprises a control cabinet, and the control cabinet comprises a gas circuit, an electromagnetic valve and a power supply module.
Optionally, the sealed cabinet comprises 10 collecting boards, each collecting board can collect signals of 25 transmitters, and at most 250 probes can be tested simultaneously.
Optionally, the transmitter on the collection plate includes a unique code that records the position of the transmitter on the collection plate. The gas sensor comprises changer and instrument board, and the changer production is accomplished the back, directly puts ageing device collection board, and every collection board all has a serial number, and the changer on the collection board all has an address, all has a unique code on every changer. The host computer carries out information interaction through serial ports and changer, can preserve the only code on every changer of record, also can be through setting up ageing specific cycle, and the interval time of preserving the data of gathering also can set up wantonly. In the testing process, the upper computer can screen the transmitter through information interaction, and the screening standard is that the zero point and the sensitivity parameter of the transmitter exceed the specified range, and then the transmitter is considered to be abnormal. In the whole test period, the test device is automatically controlled without manual intervention.
Optionally, the sealed cabinet comprises an aging indicator, wherein the aging indicator is used for prompting the aging condition in the sealed cabinet and visually reflecting the condition of the sealed cabinet in real time.
The embodiment of the invention also provides a coal mine gas sensor aging detection method, which uses the coal mine gas sensor aging device. The gas sensor is composed of a transmitter and an instrument board, the transmitter realizes the function of acquiring, processing and converting data of the sensing element into final concentration, and the instrument board realizes the functions of displaying, alarming and transmitting. And directly putting the transmitter into an aging device after production is finished, and setting an aging period through an upper computer. The gas sensor can be opened by controlling the valve to introduce standard gas for gas filling and aging, and the vent valve is closed after the standard gas concentration in the aging device meets the requirement. In the test process of the aging device, the version, the unique code and the real-time data of the current transmitter can be directly read, and the real-time data can be recorded at regular time. And after the aging is finished, performing calibration in batches through the upper computer, and performing normal ventilation test in batches after calibration.
Optionally, directly put into after the production of changer is accomplished gas sensor aging device for the colliery, through the host computer sets up the ageing cycle, the host computer passes through information interaction, can carry out gas sensor screening, and the standard of screening is the changer zero point and sensitivity parameter exceed the specified scope, then think the changer is unusual.
Optionally, the control valve is opened to introduce the standard gas of the coal mine gas sensor aging device, and the ventilation valve is closed after the concentration of the standard gas in the coal mine gas sensor aging device meets the requirement.
Optionally, the calibration is performed in batches through the upper computer, and normal ventilation testing is performed in batches after the calibration.
According to the aging device and the detection method for the gas sensor for the coal mine, unqualified products are judged and screened by reading key parameters of the transmitter, batch gas filling aging test, batch calibration and batch normal ventilation test of the gas sensor can be realized, ventilation test is not required to be carried out one by one, the test workload is reduced, the production efficiency of the sensor is greatly improved, and meanwhile, the health and potential safety hazards to testers are reduced.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The aging device for the gas sensor for the coal mine is characterized by comprising an acquisition board, a sealing cabinet and a computer;
the gas sensor aging device for the coal mine further comprises a stirring fan, an air inlet valve and an air outlet valve, wherein the collecting plate controls the stirring fan, the air inlet valve and the air outlet valve;
the acquisition board is connected with the computer upper computer through a serial port, the upper computer performs information interaction on the probe on each acquisition board, and meanwhile, the upper computer sends automatic control and manual control commands to the main control board.
2. The gas sensor aging apparatus for coal mines of claim 1, further comprising a control cabinet, wherein the control cabinet comprises a gas circuit, a solenoid valve, and a power module.
3. The gas sensor aging apparatus for coal mines as claimed in claim 2, wherein the gas sensor includes a transmitter and a dashboard, the transmitter performs a function of acquiring and processing data of the sensing element and converting the data into the final concentration, and the dashboard performs a function of displaying, alarming and transmitting.
4. The gas sensor aging apparatus for coal mines of claim 3, wherein the seal box comprises 10 said acquisition boards, each of which can acquire signals of 25 said transmitters.
5. The gas sensor aging apparatus for coal mines of claim 4, wherein the transmitter on the collection board includes a unique code that records the position of the transmitter on the collection board.
6. The gas sensor aging apparatus for coal mines of claim 1, wherein the seal cabinet includes an aging indicator.
7. A method for detecting degradation of a gas sensor for coal mine, characterized by using the gas sensor degradation apparatus for coal mine according to any one of claims 1 to 6.
8. The method for detecting aging of a gas sensor for coal mines as set forth in claim 7, wherein the transmitter is directly put into the aging apparatus for a gas sensor for coal mines after production is completed, an aging period is set by the upper computer, the upper computer performs information interaction to perform gas sensor screening, and the screening criterion is that the transmitter is considered abnormal if zero point and sensitivity parameters of the transmitter exceed a specified range.
9. The method for detecting aging of a gas sensor for coal mine according to claim 7, wherein the standard gas of the aging apparatus for gas sensor for coal mine is introduced by opening a control valve, and the ventilation valve is closed after the concentration of the standard gas in the aging apparatus for gas sensor for coal mine meets the requirement.
10. The gas sensor aging detection method for coal mines as set forth in claim 7, wherein the calibration is performed in batches by the upper computer, and the normal state ventilation test is performed in batches after the calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911190201.1A CN110865152A (en) | 2019-11-28 | 2019-11-28 | Gas sensor aging device for coal mine and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911190201.1A CN110865152A (en) | 2019-11-28 | 2019-11-28 | Gas sensor aging device for coal mine and detection method |
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| CN201911190201.1A Pending CN110865152A (en) | 2019-11-28 | 2019-11-28 | Gas sensor aging device for coal mine and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447617A (en) * | 2021-06-24 | 2021-09-28 | 石家庄博飞电子科技有限公司 | Aging method for nitrogen-oxygen sensor |
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