CN110646581A - Method for identifying adjustment effectiveness of gas sensor of coal mine safety monitoring system - Google Patents

Method for identifying adjustment effectiveness of gas sensor of coal mine safety monitoring system Download PDF

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Publication number
CN110646581A
CN110646581A CN201910551063.9A CN201910551063A CN110646581A CN 110646581 A CN110646581 A CN 110646581A CN 201910551063 A CN201910551063 A CN 201910551063A CN 110646581 A CN110646581 A CN 110646581A
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gas sensor
adjustment
inflation
state
zero setting
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Inventor
郭江涛
于庆
于林
梁光清
李远清
周代勇
刘亚辉
孙世岭
许金
李莹莹
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CCTEG Chongqing Research Institute Co Ltd
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CCTEG Chongqing Research Institute Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22Fuels; Explosives
    • G01N33/225Gaseous fuels, e.g. natural gas
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18Special adaptations of signalling or alarm devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The invention discloses a method for identifying the adjustment effectiveness of a gas sensor of a coal mine safety monitoring system, which acquires a zeroing state parameter and an inflation adjustment state parameter, judges whether the gas sensor is adjusted according to the sequence of zeroing first and re-inflating adjustment according to the zeroing state parameter and the inflation adjustment state parameter, detects whether the inflation of the gas sensor is effective or not by the method, can timely remind a user when misoperation occurs to an operator, and can timely remind the operator to correct the adjustment step so as to reduce the probability of invalid adjustment; in addition, the method can also detect the state of the breaker during inflation, and further determine the adjustment effectiveness of the gas sensor through the normal power failure and power feeding states returned by the breaker.

Description

Method for identifying adjustment effectiveness of gas sensor of coal mine safety monitoring system
Technical Field
The invention relates to a method for identifying the adjustment effectiveness of a gas sensor of a coal mine safety monitoring system.
Background
Coal mines are very important energy sources and are generally divided into underground coal mines and open coal mines, and most coal mines in China belong to the underground coal mines. In recent years, along with the development of the coal mine industry in China, the economic growth is improved, and meanwhile, a plurality of problems are brought, wherein the safety problem is more and more widely concerned by people. The safety problem of coal mines is always the most important problem, the gas sensor is a sensor for monitoring the underground gas concentration all weather, once the gas exceeds the standard, the system immediately reminds workers working underground to evacuate urgently, casualties are avoided, and the underground safety monitoring system has a very important effect on the underground safety. However, the existing gas sensor is occasionally subjected to irregular operation during the adjustment process, thereby resulting in invalid adjustment.
Disclosure of Invention
The invention aims to provide a method for identifying the adjustment effectiveness of a gas sensor of a coal mine safety monitoring system, which aims to solve the problem that the conventional gas sensor is easy to have invalid adjustment in the adjustment process.
In order to solve the technical problem, the invention provides a method for identifying the calibration effectiveness of a gas sensor of a coal mine safety monitoring system, which comprises the following steps:
s1: controlling the gas sensor to enter a zero setting state according to the received zero setting instruction, identifying the zero setting state of the gas sensor, and collecting zero setting state parameters; the zero setting state parameters comprise the time when the gas sensor enters a zero setting state and the time when zero setting is completed;
s2: after the zero setting is finished, controlling the gas sensor to enter an inflation adjustment state according to the inflation adjustment instruction, identifying the inflation adjustment state of the gas sensor, and collecting parameters of the inflation adjustment state; the inflation adjustment state parameters comprise the time for the gas sensor to enter an inflation adjustment state, the time for completing inflation adjustment, the inflation adjustment state data and the time for maintaining stable data after the gas sensor is inflated to reach a standard gas value;
s3: judging whether the gas sensor is adjusted according to the sequence of zero adjustment, air re-inflation adjustment and adjustment according to the zero adjustment state parameter and the air inflation adjustment state parameter; if yes, and the time for maintaining stable data after the gas sensor is inflated to reach the standard gas value is more than 90S, marking the gas sensor as effective inflation; otherwise, the inflation is marked as invalid.
Further, the method further comprises: the gas sensor is controlled to enter an inflation adjustment state, meanwhile, a relay controlled by the gas sensor is disconnected, the state of the relay is collected, and whether the power failure and feed states returned by the power breaker are normal or not is judged; if the signal is normal, an effective adjustment completion indication is sent; otherwise, an invalid adjustment indication is issued.
Further, the gas sensor sends out an effective adjustment and calibration completion instruction by sending a control effectiveness code to the gas sensor; and sending a control invalidity code to the gas sensor to enable the gas sensor to send an invalid adjustment instruction.
Further, the step S1 specifically includes:
the working personnel send a zero setting instruction to the control center through the gas sensor, and the control center controls the gas sensor to enter a zero setting state after receiving the zero setting instruction; and starting to collect the zero setting process of the gas sensor by the control center when the gas sensor enters the zero setting state to obtain zero setting state parameters, wherein the zero setting state parameters comprise the time when the gas sensor enters the zero setting state and the time when the zero setting is completed.
Further, the step S2 specifically includes:
when the gas sensor is detected to be in a zero setting state, sending an inflation adjustment instruction to the gas sensor through a remote controller, forwarding the inflation adjustment instruction to a control center by the gas sensor, and controlling the gas sensor to enter the zero setting state after the control center receives the inflation adjustment instruction; and when the gas sensor enters an inflation adjustment state, the control center starts to collect the zero adjustment process of the gas sensor to obtain inflation adjustment state parameters, wherein the inflation adjustment state parameters comprise the time when the gas sensor enters the inflation adjustment state and the time when inflation adjustment is completed.
Furthermore, after the relay controlled by the gas sensor is disconnected while the gas sensor is controlled to enter the inflation adjustment state, the state of the relay is acquired through the control center to obtain the state information of the relay, and whether the power-off state and the power-feeding state returned by the power-off device are normal is judged according to the state information of the relay; if the gas sensor is normal, the control center sends an effectiveness code to the gas sensor, so that the gas sensor sends an effective adjustment completion instruction; otherwise, the control center sends an invalid calibration code to the gas sensor, so that the gas sensor sends an invalid calibration indication.
The invention has the beneficial effects that: the zero setting state parameters and the inflation adjustment state parameters are acquired, whether the gas sensor is adjusted according to the sequence of firstly adjusting zero and then re-inflating adjustment is judged according to the zero setting state parameters and the inflation adjustment state parameters, whether the inflation of the gas sensor is effective or not is detected by the method, when misoperation occurs to an operator, a user can be timely reminded, the operator can be timely reminded to correct the adjustment steps, and the probability of invalid adjustment is reduced. In addition, the method can also detect the state of the breaker during inflation, and further determine the adjustment effectiveness of the gas sensor through the normal power failure and power feeding states returned by the breaker.
Detailed Description
A method for identifying the adjustment effectiveness of a gas sensor of a coal mine safety monitoring system comprises the following steps:
s1: controlling the gas sensor to enter a zero setting state according to the received zero setting instruction, identifying the zero setting state of the gas sensor, and collecting zero setting state parameters; the zero setting state parameters comprise the time when the gas sensor enters a zero setting state and the time when zero setting is completed; the step S1 may adopt a specific method:
the working personnel send a zero setting instruction to the control center through the gas sensor, and the control center controls the gas sensor to enter a zero setting state after receiving the zero setting instruction; and starting to collect the zero setting process of the gas sensor by the control center when the gas sensor enters the zero setting state to obtain zero setting state parameters, wherein the zero setting state parameters comprise the time when the gas sensor enters the zero setting state and the time when the zero setting is completed.
S2: after the zero setting is finished, controlling the gas sensor to enter an inflation adjustment state according to the inflation adjustment instruction, identifying the inflation adjustment state of the gas sensor, and collecting parameters of the inflation adjustment state; the inflation adjustment state parameters comprise the time for the gas sensor to enter an inflation adjustment state, the time for completing inflation adjustment, the inflation adjustment state data and the time for maintaining stable data after the gas sensor is inflated to reach a standard gas value; the step S2 may adopt the following specific method:
when the gas sensor is detected to be in a zero setting state, sending an inflation adjustment instruction to the gas sensor through a remote controller, forwarding the inflation adjustment instruction to a control center by the gas sensor, and controlling the gas sensor to enter the zero setting state after the control center receives the inflation adjustment instruction; and when the gas sensor enters an inflation adjustment state, the control center starts to collect the zero adjustment process of the gas sensor to obtain inflation adjustment state parameters, wherein the inflation adjustment state parameters comprise the time when the gas sensor enters the inflation adjustment state and the time when inflation adjustment is completed.
S3: judging whether the gas sensor is adjusted according to the sequence of zero adjustment, air re-inflation adjustment and adjustment according to the zero adjustment state parameter and the air inflation adjustment state parameter; if yes, and the time for maintaining stable data after the gas sensor is inflated to reach the standard gas value is more than 90S, marking the gas sensor as effective inflation; otherwise, the inflation is marked as invalid.
According to the method, the zeroing state parameters and the inflation adjustment state parameters are acquired, whether the gas sensor is adjusted according to the sequence of zeroing, re-inflating and adjustment or not is judged according to the zeroing state parameters and the inflation adjustment state parameters, whether the inflation of the gas sensor is effective or not is detected through the method, when misoperation occurs to an operator, a user can be reminded in time, the operator can be reminded in time to correct the adjustment step, and the probability of invalid adjustment or adjustment is reduced.
In addition, the method further comprises: the gas sensor is controlled to enter an inflation adjustment state, meanwhile, a relay controlled by the gas sensor is disconnected, the state of the relay is collected, and whether the power failure and feed states returned by the power breaker are normal or not is judged; if the signal is normal, an effective adjustment completion indication is sent; otherwise, an invalid adjustment indication is issued.
In the adjusting process, the adjustment of the sensor is normally completed only when the adjustment and the calibration are completed completely according to the specified requirements, the time for maintaining stable data after the inflation reaches the standard gas value is more than 90S, and meanwhile, the power-off and power-feeding states fed back by the power breaker meet the specification.
The method and the device have the advantages that the gas sensor sends an effective adjustment completion indication by sending a control effectiveness code to the gas sensor; and sending a control invalidity code to the gas sensor to enable the gas sensor to send an invalid adjustment instruction. The specific operation is as follows:
when the gas sensor is controlled to enter an inflation adjustment state and a relay controlled by the gas sensor is disconnected, the state of the relay is acquired through a control center to obtain the state information of the relay, and whether the power failure and feed states returned by the power breaker are normal is judged according to the state information of the relay; if the gas sensor is normal, the control center sends an effectiveness code to the gas sensor, so that the gas sensor sends an effective adjustment completion instruction; otherwise, the control center sends an invalid calibration code to the gas sensor, so that the gas sensor sends an invalid calibration indication. The central station is used for directly sending codes to the gas sensor to inform operators, the operators do not need to make phone calls for confirmation, the operation can be completed after seeing the normal flashing indicator lamp, and the efficiency of adjusting effectiveness identification is improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (6)

1. A coal mine safety monitoring system gas sensor calibration effectiveness identification method is characterized by comprising the following steps:
s1: controlling the gas sensor to enter a zero setting state according to the received zero setting instruction, identifying the zero setting state of the gas sensor, and collecting zero setting state parameters; the zero setting state parameters comprise the time when the gas sensor enters a zero setting state and the time when zero setting is completed;
s2: after the zero setting is finished, controlling the gas sensor to enter an inflation adjustment state according to the inflation adjustment instruction, identifying the inflation adjustment state of the gas sensor, and collecting parameters of the inflation adjustment state; the inflation adjustment state parameters comprise the time for the gas sensor to enter an inflation adjustment state, the time for completing inflation adjustment, the inflation adjustment state data and the time for maintaining stable data after the gas sensor is inflated to reach a standard gas value;
s3: judging whether the gas sensor is adjusted according to the sequence of zero adjustment, air re-inflation adjustment and adjustment according to the zero adjustment state parameter and the air inflation adjustment state parameter; if yes, and the time for maintaining stable data after the gas sensor is inflated to reach the standard gas value is more than 90S, marking the gas sensor as effective inflation; otherwise, the inflation is marked as invalid.
2. The method for identifying the calibration effectiveness of the gas sensor of the coal mine safety monitoring system according to claim 1, further comprising: the gas sensor is controlled to enter an inflation adjustment state, meanwhile, a relay controlled by the gas sensor is disconnected, the state of the relay is collected, and whether the power failure and feed states returned by the power breaker are normal or not is judged; if the signal is normal, an effective adjustment completion indication is sent; otherwise, an invalid adjustment indication is issued.
3. The coal mine safety monitoring system gas sensor calibration effectiveness recognition method as claimed in claim 2, wherein the gas sensor is caused to issue an effective calibration completion indication by sending a control effectiveness code to the gas sensor; and sending a control invalidity code to the gas sensor to enable the gas sensor to send an invalid adjustment instruction.
4. The method for identifying the calibration effectiveness of the gas sensor of the coal mine safety monitoring system according to claim 1, wherein the step S1 specifically includes:
the working personnel send a zero setting instruction to the control center through the gas sensor, and the control center controls the gas sensor to enter a zero setting state after receiving the zero setting instruction; and starting to collect the zero setting process of the gas sensor by the control center when the gas sensor enters the zero setting state to obtain zero setting state parameters, wherein the zero setting state parameters comprise the time when the gas sensor enters the zero setting state and the time when the zero setting is completed.
5. The method for identifying the calibration effectiveness of the gas sensor of the coal mine safety monitoring system according to claim 1, wherein the step S2 specifically includes:
when the gas sensor is detected to be in a zero setting state, sending an inflation adjustment instruction to the gas sensor through a remote controller, forwarding the inflation adjustment instruction to a control center by the gas sensor, and controlling the gas sensor to enter the zero setting state after the control center receives the inflation adjustment instruction; and when the gas sensor enters an inflation adjustment state, the control center starts to collect the zero adjustment process of the gas sensor to obtain inflation adjustment state parameters, wherein the inflation adjustment state parameters comprise the time when the gas sensor enters the inflation adjustment state and the time when inflation adjustment is completed.
6. The coal mine safety monitoring system gas sensor calibration effectiveness recognition method according to claim 3, characterized in that after a relay controlled by the gas sensor is disconnected while the gas sensor is controlled to enter an inflation calibration state, the state of the relay is collected by a control center to obtain the state information of the relay, and whether the power-off and feed states returned by a power breaker are normal is judged according to the state information of the relay; if the gas sensor is normal, the control center sends an effectiveness code to the gas sensor, so that the gas sensor sends an effective adjustment completion instruction; otherwise, the control center sends an invalid calibration code to the gas sensor, so that the gas sensor sends an invalid calibration indication.
CN201910551063.9A 2019-06-24 2019-06-24 Method for identifying adjustment effectiveness of gas sensor of coal mine safety monitoring system Pending CN110646581A (en)

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Publication number Priority date Publication date Assignee Title
CN112946188A (en) * 2021-01-26 2021-06-11 天地(常州)自动化股份有限公司 Downhole sensor calibration method, device, equipment and medium

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CN105259329A (en) * 2015-10-13 2016-01-20 中煤科工集团重庆研究院有限公司 On-line identification method for adjustment and calibration of gas sensor of coal mine safety monitoring system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112946188A (en) * 2021-01-26 2021-06-11 天地(常州)自动化股份有限公司 Downhole sensor calibration method, device, equipment and medium
CN112946188B (en) * 2021-01-26 2023-06-06 天地(常州)自动化股份有限公司 Downhole sensor calibration method, device, equipment and medium

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Application publication date: 20200103