CN205840917U - A kind of mine gas wireless monitor system based on TDLAS sensor - Google Patents
A kind of mine gas wireless monitor system based on TDLAS sensor Download PDFInfo
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- CN205840917U CN205840917U CN201620857412.1U CN201620857412U CN205840917U CN 205840917 U CN205840917 U CN 205840917U CN 201620857412 U CN201620857412 U CN 201620857412U CN 205840917 U CN205840917 U CN 205840917U
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Abstract
The utility model discloses a kind of mine gas wireless monitor system based on TDLAS sensor, described monitoring system includes overlapping monitoring device, power control and background monitoring center more;Many set monitoring device intervals are installed in mine, and monitoring device described in every suit includes dustproof filter module, temperature sensor, humidity sensor, TDLAS sensor, controls integration module and exhaust module.This utility model is by installing monitoring device to multiple location points under mine, detect the temperature value of methane gas, humidity value and concentration value at each detection node, methane gas everywhere under mine is monitored in real time, when gas concentration exceedes safety range, then carry out onsite alarming, and the gas data of detection are uploaded to background monitoring center, it is achieved remotely monitor.
Description
Technical field
This utility model relates to mine gas safety monitoring technology field, is specifically related to a kind of based on TDLAS sensor
Mine gas wireless monitor system.
Background technology
In mine, the main component of gas is methane, and coal mine gas monitoring and controlling system substantially can be divided into down-hole and aboveground two
Point.Wherein, underground part mainly carrys out the data such as the gas concentration under production wells, air regime by various detection equipment, then
Transferred data to aboveground by on-site wireless.Aboveground, by the data transmitted under received well and with Geng Gao tier-1 supervisor department
Server connect.Operation monitoring software on server, has the label of each sensor of down-hole above, and shown data are led to
Cross the change of uploading speed and constantly refresh.Meanwhile, monitoring software these data can also be collected, process, analyze and
Achieve, can be as the important evidence of relevant persons in charge.And monitoring software has the auto-alarm function that exceeds standard, as work people
Member exceeds standard in discovery after alarm signal, and can take immediate steps on site fault clearing.
In existing fire damp concentration monitor means, employing be mainly based upon catalytic combustion type, electric chemical formula and red
The sensor of outer NDIR.Wherein, the sensor of catalytic combustion type makes the sensor life-time of the type short due to long-term burning,
General only half a year in actual application, and be easily poisoned under high concentration methane environment, produce wrong report, and need long-term school
Accurate;Electrochemical transducer[sensor is during monitoring methane, and the linearity is very poor, easy dormancy, and easily by ambient temperature, humidity
Impact, the accuracy of measurement is the highest;Infrared NDIR sensor cost is high, and the selectivity measuring gas concentration is the highest, is easily subject to
The impact of other interference gases, measurement is the concentration of Hydrocarbon, and the concentration of not methane gas.
Utility model content
In order to overcome shortcomings and deficiencies of the prior art, this utility model provides a kind of ore deposit based on TDLAS sensor
Well gas wireless monitor system.
The technical scheme that this utility model solves above-mentioned technical problem is as follows:
This utility model provides a kind of mine gas wireless monitor system based on TDLAS sensor, including overlapping prison more
Survey device, power control and background monitoring center;
Many set monitoring device intervals are installed in mine, and monitoring device described in every suit includes dustproof filter module, temperature
Sensor, humidity sensor, TDLAS sensor, control integration module and exhaust module, described temperature sensor, humidity sensor
Device and described control integration module integration packaging in a shell, described control integration module is integrated with wireless transport module and
Alarm module, described dustproof filter module is wrapped in outside described TDLAS sensor, and described dustproof filter module is respectively with described
The input of the input of temperature sensor and described humidity sensor connects, the outfan of described temperature sensor and described wet
The outfan of degree sensor is all connected with described control integration module, and described control integration module is double with described TDLAS sensor
To connection, described TDLAS sensor is in communication with the outside by described exhaust module, and described control integration module is by being wirelessly transferred
Module is connected with background monitoring center.
The beneficial effects of the utility model are: by multiple location points under mine are installed monitoring device, detect each inspection
Survey the temperature value of methane gas at node, humidity value and concentration value, methane gas everywhere under mine is monitored in real time, when
When gas concentration exceedes safety range, then carry out onsite alarming, and the gas data of detection be uploaded to background monitoring center,
Realize remotely monitoring.
On the basis of technique scheme, this utility model can also improve as follows.
Further, described TDLAS sensor includes laser instrument, collimator, gas absorption cell and the TDLAS being sequentially connected with
Checker, described TDLAS checker is connected with described control integration module, is provided with reflecting mirror group in described gas absorption cell
And photodetector;
Described TDLAS checker drives laser instrument to produce the laser of the first power, incident after collimator collimates
Gas absorption cell, arrives photodetector, photodetector after the reflecting mirror group repeatedly roundtrip in gas absorption cell
Receive the laser of the second power after decay, and transmit to TDLAS checker.
Described further having the beneficial effect that can accurately detect the dense of methane gas in mine by TDLAS sensor
Degree, installs the reflecting mirror group being made up of multiple reflecting mirrors in gas absorption cell, increases laser light path in gas absorption cell,
Thus increase the degree of accuracy that methane gas concentration value in gas absorption cell is measured.
Further, described wireless transport module uses 2G, 3G, 4G or GPRS wireless network.
Described each monitoring device further having the beneficial effect that in mine all by wireless network with long-range after
Platform Surveillance center connects, to realize remotely monitoring the safety of mine.
Further, also include database server and management platform, described database server and management platform all with
Described background monitoring center connects.
The relevant information of the methane gas at described each detection node further having the beneficial effect that in mine is equal
Remotely storing and showing, when occurring abnormal, in order to take measures in time, take precautions against in possible trouble.
Accompanying drawing explanation
Fig. 1 is a kind of based on TDLAS sensor the mine gas wireless monitor system attachment structure of the embodiment of the present invention 1
Schematic diagram;
Fig. 2 is the structural representation of TDLAS sensor.
In accompanying drawing, the component names representated by each label is as follows:
1, laser instrument, 2, collimator, 3, gas absorption cell, 4, reflecting mirror group, 5, photodetector, 6, TDLAS checker.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this reality
With novel, it is not intended to limit scope of the present utility model.
Embodiment 1, a kind of mine gas wireless monitor system based on TDLAS sensor.
Seeing Fig. 1, the mine gas wireless monitor system based on TDLAS sensor that the present embodiment provides includes overlapping prison more
Survey device, power control and background monitoring center;Wherein, many set monitoring device intervals are installed in mine, every suit institute
State monitoring device to include dustproof filter module, temperature sensor, humidity sensor, TDLAS sensor, control integration module and row
Gas module, described temperature sensor, humidity sensor and described control integration module integration packaging in a shell, described control
Being integrated with wireless transport module and alarm module in integration module, described dustproof filter module is wrapped in described TDLAS sensor
Outside, described dustproof filter module is respectively with the input of the input of described temperature sensor and described humidity sensor even
Connecing, the outfan of described temperature sensor and the outfan of described humidity sensor are all connected with described control integration module, institute
Stating control integration module to be bi-directionally connected with described TDLAS sensor, described TDLAS sensor is by described exhaust module and the external world
Connection, described control integration module is connected with background monitoring center by wireless transport module.
Described dustproof filter module, for the methane gas at the current detection node in mine is filtered, and will
Methane gas after filtration is delivered to temperature sensor and humidity sensor;Described temperature sensor, works as in being used for detecting mine
The temperature value of the methane gas at front detection node, and be transferred to control integration module;Described humidity sensor, is used for detecting ore deposit
The humidity value of methane gas at current detection node in well, and be transferred to control integration module;Described TDLAS sensor, uses
The concentration value of methane gas at current detection node in detection mine, and be transferred to control integration module;Described aerofluxus mould
Block, for being discharged to the external world by the methane gas at current detection node in mine;Described control integration module, is used for receiving ore deposit
The temperature value of methane gas, humidity value and concentration value at current detection node in well, it is judged that the temperature of methane gas in mine
It is worth and whether humidity value is within normal range, if, then start the TDLAS sensor at current detection node;It is additionally operable to judge
In mine, whether the concentration value of methane gas is in safety range, if not existing, then triggers alarm module and sends alarm signal, simultaneously
Also by wireless transport module by the temperature value of the methane gas at current detection node, humidity value, concentration value, the sentencing of concentration value
The alarm condition of disconnected result and current detection node is transmitted to background monitoring center, wherein, and being wirelessly transferred in the present embodiment
Module uses 2G, 3G, 4G or GPRS wireless network;Described power control, is connected with every suit monitoring device, and it is every for being used for
A set of monitoring device provides power supply.
Wherein, see Fig. 2, laser instrument 1 that described TDLAS sensor includes being sequentially connected with, collimator 2, gas absorption cell 3
With TDLAS checker 6, described TDLAS checker 6 is connected with controlling integration module, is provided with anti-in described gas absorption cell 3
Penetrate mirror group 4 and photodetector 5;Described TDLAS checker 6 drives the laser that laser instrument 1 produces the first power, through collimator
2 collimate after incident gas absorption cell 3, after more than 4 roundtrip of the reflecting mirror group in gas absorption cell 3, arrive photoelectricity
Detector 5, photodetector 5 receives the laser of the second power after decay, and transmits to TDLAS checker 6, and TDLAS examines
Test device 6 and obtain the concentration value of methane gas in mine by the ratio calculation of the second power and the first power.Wherein, the present embodiment
The reflecting mirror group 4 being made up of multiple reflecting mirrors is installed in gas absorption cell 3, increases laser light path in gas absorption cell,
Thus increase the degree of accuracy that methane gas concentration value in gas absorption cell 3 is measured.
The gas wireless monitor system that the present embodiment provides also includes data base and management platform;Described data base, with rear
Platform Surveillance center connects, and in storing mine, each detects the temperature value of methane gas, humidity value and the concentration at node
The position of All Alerts point in alarm condition at value and each detection node and mine;Described management platform, is used for connecing
Receive and show in the mine that background monitoring center sends the temperature value of methane gas at each detection node, humidity value, dense
Angle value, alarm condition and All Alerts point position.The present embodiment is by the methane gas at each the detection node in mine
Relevant information all remotely storing and showing, when occurring abnormal, in order to take measures in time, take precautions against in possible trouble.
A kind of based on TDLAS sensor the mine gas wireless monitor system that this utility model provides, by mine
Under multiple location points monitoring device is installed, detect the temperature value of methane gas, humidity value and concentration value at each detection node, right
Under mine, methane gas everywhere is monitored in real time, when gas concentration exceedes safety range, then carries out onsite alarming, and will
The gas data of detection are uploaded to background monitoring center, it is achieved remotely monitor;Mine can be accurately detected by TDLAS sensor
The concentration value of interior methane gas, installs the reflecting mirror group being made up of multiple reflecting mirrors in gas absorption cell, increases laser at gas
Light path in body absorption cell, thus increase the degree of accuracy that methane gas concentration value in gas absorption cell is measured;Every in mine
The relevant information of the methane gas at one detection node is all remotely storing and is showing, when occurring abnormal, in order to and
Time take measures, take precautions against in possible trouble.
In the description of this specification, reference term " embodiment one ", " example ", " concrete example " or " some examples "
Deng description means to combine this embodiment or example describes concrete grammar, device or feature be contained in of the present utility model extremely
In a few embodiment or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical
Embodiment or example.And, the specific features of description, method, device or feature can with one or more embodiments in office or
Example combines in an appropriate manner.Additionally, in the case of the most conflicting, those skilled in the art can be by this explanation
Different embodiments or the feature of example and different embodiment or example described in book are combined and combine.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (4)
1. a mine gas wireless monitor system based on TDLAS sensor, it is characterised in that include overlapping more monitoring device,
Power control and background monitoring center;
Many set monitoring device intervals are installed in mine, and monitoring device described in every suit includes dustproof filter module, temperature sensing
Device, humidity sensor, TDLAS sensor, control integration module and exhaust module, described temperature sensor, humidity sensor and
Described control integration module integration packaging, in a shell, is integrated with wireless transport module and warning in described control integration module
Module, described dustproof filter module is wrapped in outside described TDLAS sensor, described dustproof filter module respectively with described temperature
The input of sensor and the input of described humidity sensor connect, and the outfan of described temperature sensor and described humidity pass
The outfan of sensor is all connected with described control integration module, described control integration module and the described two-way company of TDLAS sensor
Connecing, described TDLAS sensor is in communication with the outside by described exhaust module, and described control integration module passes through wireless transport module
It is connected with background monitoring center.
2. mine gas wireless monitor system based on TDLAS sensor as claimed in claim 1, it is characterised in that described
TDLAS sensor includes laser instrument, collimator, gas absorption cell and the TDLAS checker being sequentially connected with, and described TDLAS checks
Device is connected with described control integration module, is provided with reflecting mirror group and photodetector in described gas absorption cell;
Described TDLAS checker drives laser instrument to produce the laser of the first power, incident gas after collimator collimates
Absorption cell, arrives photodetector after the reflecting mirror group repeatedly roundtrip in gas absorption cell, and photodetector receives
The laser of the second power after decay, and transmit to TDLAS checker.
3. mine gas wireless monitor system based on TDLAS sensor as claimed in claim 1, it is characterised in that described
Wireless transport module uses 2G, 3G, 4G or GPRS wireless network.
4. mine gas wireless monitor system based on TDLAS sensor as claimed in claim 1, it is characterised in that also wrap
Include database server and management platform, described database server and management platform to be all connected with described background monitoring center.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107478600A (en) * | 2017-09-11 | 2017-12-15 | 常州杰泰克节能科技有限公司 | Harmful gas concentration detecting system and its detection method |
CN109026155A (en) * | 2018-08-21 | 2018-12-18 | 四川矿隧环境检测有限公司 | A kind of method of the absolute outburst amount of the real time measure tunnel gas |
CN111420510A (en) * | 2020-02-25 | 2020-07-17 | 北方民族大学 | Coal mine tunnel air monitoring and purifying device |
-
2016
- 2016-08-09 CN CN201620857412.1U patent/CN205840917U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107478600A (en) * | 2017-09-11 | 2017-12-15 | 常州杰泰克节能科技有限公司 | Harmful gas concentration detecting system and its detection method |
CN109026155A (en) * | 2018-08-21 | 2018-12-18 | 四川矿隧环境检测有限公司 | A kind of method of the absolute outburst amount of the real time measure tunnel gas |
CN111420510A (en) * | 2020-02-25 | 2020-07-17 | 北方民族大学 | Coal mine tunnel air monitoring and purifying device |
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Addressee: Beijing light creation Intellectual Property Agency Co., Ltd. Finance Document name: Notification of Approving Refund |