CN102506940A - Comprehensive detection device and method of coal mine fire area environment by introducing GPS signal - Google Patents
Comprehensive detection device and method of coal mine fire area environment by introducing GPS signal Download PDFInfo
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- CN102506940A CN102506940A CN2011103641367A CN201110364136A CN102506940A CN 102506940 A CN102506940 A CN 102506940A CN 2011103641367 A CN2011103641367 A CN 2011103641367A CN 201110364136 A CN201110364136 A CN 201110364136A CN 102506940 A CN102506940 A CN 102506940A
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Abstract
The invention relates to a comprehensive detection device and method of a coal mine fire area environment by introducing a GPS signal, belonging to comprehensive detection of the coal mine fire area environment. The detection device comprises a sensor module, a GPS positioning module and a GPS antenna thereof, a GPRS communication module and a GPRS antenna thereof, a data memory, a single chip, a power module and a PDA (Personal Digital Assistant) wireless hand book, wherein the sensor module comprises a CO2 concentration sensor and a signal amplifying circuit of the CO2 concentration sensor, an SO2 concentration sensor and a signal amplifying circuit thereof, a CO concentration sensor and a signal amplifying circuit thereof, an air temperature sensor and a signal amplifying circuit thereof; the power module comprises a battery pack and a power conversion circuit; and the PDA wireless hand book comprises a PDA antenna, a PDA wireless control module and an LCD liquid crystal display screen. According to the comprehensive detection device, various environment parameters and positioning data in the coal mine fire area can be quickly obtained, geographic distribution maps of various harmful gas concentrations and air temperature environment parameters in the coal mine fire area are drawn after the data is obtained, and air pollution condition near the coal mine fire area is immediately and roundly estimated so that a decision basis is provided for environmental governance.
Description
Technical field
The present invention relates to a kind of comprehensive detection, be specifically related to a kind of coal fire district environment comprehensive pick-up unit and method thereof of introducing gps signal coal fire district environment.
Background technology
At the coal rich region, the coal seam that is exposed to the face of land tends to contact generation oxidation reaction release heat with oxygen, when heat accumulation arrives to a certain degree, the coal fire dieseling will take place.Most of coal-producing area of northern China is because weather is arid, quantity of precipitation is few, and the coal seam is thick, slit width, is easy to oxygen supply and ventilation between the coal seam, and the coal fire dieseling very easily takes place.This has not only caused the loss of a large amount of coal resources; And will discharge
during coal combustion,
and a large amount of harmful gases such as
; Cause serious air pollution, ecological broken ring and ecological deterioration, and the aggravation Global Greenhouse Effect.In the face of the coal fire dieseling that grows in intensity, need in time detect, and its air pollution situation of comprehensive assessment, thereby decision-making foundation is provided for the environmental improvement and the urgency thereof in coal fire district near harmful gas concentration the coal fire district and air themperature.
Though the existing at present sensor device that is used for gas concentration and air themperature detection; But great majority can only be realized single measuring ability; Be used for that the comprehensive detection device of multiple harmful gas concentration and air themperature is in space state basically in the coal fire district, obtain and detect when being difficult to realize quickly and easily in the coal fire district various environmental parameters.Use existing sensor device can only obtain the harmful gas concentration and the air themperature of certain point in the coal fire district in addition, and the geographic distribution of coal fire district air pollution degree and inhomogeneous, obviously be difficult to the air pollution situation in the whole coal fire of comprehensive assessment district.If in obtaining the coal fire district, in certain some harmful gas concentration and the air themperature this point is carried out the GPS location; Obtain the locator data of this point; At last through obtaining the data of enough multiple spots; Just can draw the geographic distribution of environmental parameter such as multiple harmful gas concentration and air themperature in the whole coal fire district, will embody this regional air pollution situation and distributional difference thereof more comprehensively, visually, the environmental improvement of coal fire district is had important directive significance.But according to prior art, obtain the locator data of check point simultaneously, must optional equipment GPS receiver, very inconvenience.
Summary of the invention
The objective of the invention is to provide a kind of coal fire district environment comprehensive pick-up unit and method thereof of introducing gps signal, realization can be measured environmental parameters such as
in the coal fire district,
and
three kinds of harmful gas concentrations and air themperature simultaneously.
The objective of the invention is to realize like this: this pick-up unit comprises sensor assembly, GPS locating module and gps antenna thereof, GPRS communication module and the wireless handbook of GPRS antenna, data-carrier store, single-chip microcomputer, power module and PDA thereof; Wherein, said sensor assembly comprises
concentration sensor and signal amplification circuit,
concentration sensor and signal amplification circuit thereof,
concentration sensor and signal amplification circuit and air temperature sensor and signal amplification circuit thereof; Said power module comprises electric battery and power-switching circuit; The wireless handbook of said PDA comprises PDA antenna, PDA wireless control module and LCD LCDs.
(1) in the said sensor assembly; The output terminal of
concentration sensor,
concentration sensor,
concentration sensor and air temperature sensor is connected with the input end of its signal amplification circuit respectively, and the output terminal of each signal amplification circuit all is connected with the A/D translation interface of said single-chip microcomputer;
(2) said gps antenna is connected with the GPS locating module, and said GPRS antenna is connected with the GPRS communication module, and GPS locating module, GPRS communication module and said data-carrier store all are connected with the data transmission interface of said single-chip microcomputer;
(3) in the said power module, electric battery is connected with power-switching circuit, and power-switching circuit is connected with each signal amplification circuit of GPS locating module, data-carrier store, GPRS communication module, single-chip microcomputer and sensor assembly respectively;
(4) in the wireless handbook of said PDA, the PDA antenna is connected with the PDA wireless control module, and the PDA wireless control module is connected with the LCD LCDs, and passes through PDA antenna and GPRS antenna and GPRS communication module and set up the wireless communication networks based on GPRS.
The detection method of said coal fire district environment comprehensive pick-up unit is:
(1) turn on the power switch, single-chip microcomputer powers on, and device carries out the initialization setting to the variable of each parts automatically; Handbook prompting input that PDA is wireless detects calls the roll or period, and input back GPS pilot lamp begins flicker, after pilot lamp extinguishes; Expression receives effective gps signal; The GPS locating module is located successfully through pseudo range measurement, and the data transmission interface through single-chip microcomputer reads these point location data that the GPS locating module obtains then, and converts its latitude and longitude coordinates into the WGS-84 planimetric rectangular coordinates;
(2) use
concentration sensor,
concentration sensor,
concentration sensor and air temperature sensor to detect
, the concentration and the air themperature of
and
three kinds of gases of this point respectively; The current signal of sensor output is directly proportional with gas content or the air themperature around it; Through signal amplification circuit it is amplified then; Convert the current signal in the critical field into; Through the A/D translation interface of single-chip microcomputer these normalized current signals are gathered at last; Through convert into after the computing with survey gas concentration or air themperature to corresponding value, soon analog signal conversion is a digital signal;
(3) data such as concentration, air themperature and WGS-84 planimetric rectangular coordinates of detected this point
,
,
three kinds of gases are encoded, the data after will encoding through the GPRS communication module then send to the wireless handbook of PDA and on its LCD LCDs, show;
(4) after the wireless handbook of PDA receives and shows all related datas of this point; Prompting operation person reviews and validate whether preserve these data; If the errorless data storage after then will encoding through the data transmission interface of single-chip microcomputer of inspection is in data-carrier store; Otherwise delete these data and begin to carry out again the detection of this point data, up to checking all related datas errorless and that confirm to preserve this point from receiving gps signal;
(5) when this point detect finish after, whether handbook prompting that PDA is wireless descend the detection of a bit, then moves to new some position as if also detecting, from importing the detection that new roll-call or period begin to descend a bit, otherwise detection of end quits a program.
The advantage and the effect of said coal fire district environment comprehensive pick-up unit are:
(1) realized the comprehensive integration of multiple gases concentration sensor, air temperature sensor and GPS locating module; Obtain various environmental parameters and locator data the time in can Rapid Realization coal fire district; And can be after obtaining the data of enough multiple spots; Draw the geographic distribution of environmental parameter such as multiple harmful gas concentration and air themperature in the whole coal fire district, in time assess near the air pollution situation the coal fire district all sidedly, for its environmental improvement and urgency thereof provide decision-making foundation.
(2) related data that after detect finishing, both can check all check points in the data-carrier store through the wireless handbook of PDA; At the data volume geographic distribution through each environmental parameter in the manual drawing coal fire district hour; Also can the related data transmission of all check points be checked to computing machine through the data transmission interface on the data-carrier store; When data volume is big, draw the geographic distribution of each environmental parameter in the coal fire district, realized the diversity of follow-up data processing mode through computer software.
(3) in testing process, carry out man-machine interaction and controlled in wireless, can carry out synchronous judgment and processing, realized intellectualized operation real-time detected various related datas through the wireless handbook of PDA.
(4) adopt the minitype portable design, the handled easily personnel carry and fast detecting, have improved the environment measuring efficient in coal fire district.
Description of drawings
Fig. 1 is the general structure block diagram of coal fire according to the invention district environment comprehensive pick-up unit.
Fig. 2 is the workflow diagram of coal fire according to the invention district environment comprehensive pick-up unit.
The general english abbreviation in this area is explained as follows in the accompanying drawing:
(1) GPS:Global Positioning System, GPS;
(2) GPRS:General Packet Radio Service, the general packet radio service technology;
(3) PDA:Personal Digital Assistant, personal digital assistant device, i.e. palm PC;
(4) LCD:Liquid Crystal Display, LCD;
(5) WGS-84:World Geodetic System 1984, World Geodesic Coordinate System 1984;
(6) A/D:Analog/Digital, analog/digital.
Embodiment
Specify embodiment of the present invention through embodiment below.
Embodiment 1: the coal fire district environment comprehensive pick-up unit of introducing gps signal comprises sensor assembly, GPS locating module and gps antenna thereof, GPRS communication module and the wireless handbook of GPRS antenna, data-carrier store, single-chip microcomputer, power module and PDA thereof.Wherein, said sensor assembly comprises
concentration sensor and signal amplification circuit,
concentration sensor and signal amplification circuit thereof,
concentration sensor and signal amplification circuit and air temperature sensor and signal amplification circuit thereof.Said power module comprises electric battery and power-switching circuit.The wireless handbook of said PDA comprises PDA antenna, PDA wireless control module and LCD LCDs.
(1) in the said sensor assembly; The output terminal of
concentration sensor,
concentration sensor,
concentration sensor and air temperature sensor is connected with the input end of its signal amplification circuit respectively, and the output terminal of each signal amplification circuit all is connected with the A/D translation interface of said single-chip microcomputer.
(2) said gps antenna is connected with the GPS locating module, and said GPRS antenna is connected with the GPRS communication module, and GPS locating module, GPRS communication module and said data-carrier store all are connected with the data transmission interface of said single-chip microcomputer.
(3) in the said power module, electric battery is connected with power-switching circuit, and power-switching circuit is connected with each signal amplification circuit of GPS locating module, data-carrier store, GPRS communication module, single-chip microcomputer and sensor assembly respectively.
(4) in the wireless handbook of said PDA, the PDA antenna is connected with the PDA wireless control module, and the PDA wireless control module is connected with the LCD LCDs, and passes through PDA antenna and GPRS antenna and GPRS communication module and set up the wireless communication networks based on GPRS.
Said coal fire district each functions of components of environment comprehensive pick-up unit is respectively:
(1) GPS locating module and gps antenna thereof are used for receiving gps signal, realize the quick positioning function to check point through pseudo range measurement.
(2)
concentration sensor in the sensor assembly,
concentration sensor and
concentration sensor and air temperature sensor be used for realizing respectively to
, the measuring ability of
and
three kinds of harmful gas concentrations and air themperature, its each amplifying circuit is used for respectively each signal of sensor is carried out processing and amplifying.
(3) single-chip microcomputer is a core devices of the present invention, under its control, accomplishes the functions such as collection, transmission, processing and coding of required locator data and various ambient parameter datas, needs coding to realize.
(4) data behind the data memory serves storage single-chip microcomputer coding, and have data transmission interface, being used for detecting and finishing backcasting machine transmission data, computing machine is used for carrying out follow-up data and handles and use.
(5) GPRS communication module and GPRS antenna thereof are used for receiving the PDA operational order, and carry out corresponding operating according to instruction, send the related data in the single-chip microcomputer to the wireless handbook of PDA simultaneously.
(6) PDA wireless control module and PDA antenna thereof are used for sending the PDA operational order, and can receive, read, edit and delete from the related data in the single-chip microcomputer, realize the controlled in wireless of PDA handbook to this device.
(7) the LCD LCDs is used for showing single-chip microcomputer processing back and is transferred to the related data in the PDA control module; And provide in order to send the human-computer interaction interface of PDA operational order, the related data that after detecting end, can check all check points in the data-carrier store simultaneously.
(8) power module is used for supplying power to each signal amplification circuit of GPS locating module, data-carrier store, GPRS communication module, single-chip microcomputer and sensor assembly; Wherein electric battery provides stabilized voltage supply, and power-switching circuit is converted into the required separately power supply of said parts.
The embodiment of detection method is following:
(1) turn on the power switch, single-chip microcomputer powers on, and device carries out the initialization setting to the variable of each parts automatically; Handbook prompting input that PDA is wireless detects calls the roll or period, and input back GPS pilot lamp begins flicker, after pilot lamp extinguishes; Expression receives effective gps signal; The GPS locating module is located successfully through pseudo range measurement, and the data transmission interface through single-chip microcomputer reads these point location data that the GPS locating module obtains then, and converts its latitude and longitude coordinates into the WGS-84 planimetric rectangular coordinates;
(2) use
concentration sensor,
concentration sensor,
concentration sensor and air temperature sensor to detect
, the concentration and the air themperature of
and
three kinds of gases of this point respectively; The current signal of sensor output is directly proportional with gas content or the air themperature around it; Through signal amplification circuit it is amplified then; Convert the current signal in the critical field into; Through the A/D translation interface of single-chip microcomputer these normalized current signals are gathered at last; Through convert into after the computing with survey gas concentration or air themperature to corresponding value, soon analog signal conversion is a digital signal;
(3) data such as concentration, air themperature and WGS-84 planimetric rectangular coordinates of detected this point
,
,
three kinds of gases are encoded, the data after will encoding through the GPRS communication module then send to the wireless handbook of PDA and on its LCD LCDs, show;
(4) after the wireless handbook of PDA receives and shows all related datas of this point; Prompting operation person reviews and validate whether preserve these data; If the errorless data storage after then will encoding through the data transmission interface of single-chip microcomputer of inspection is in data-carrier store; Otherwise delete these data and begin to carry out again the detection of this point data, up to checking all related datas errorless and that confirm to preserve this point from receiving gps signal;
(5) when this point detect finish after, whether handbook prompting that PDA is wireless descend the detection of a bit, then moves to new some position as if also detecting, from importing the detection that new roll-call or period begin to descend a bit, otherwise detection of end quits a program.
The process of implementation method is:
(1) turn on the power switch, single-chip microcomputer powers on, and prepares beginning.
(2) counting n=0, each initialization of variable such as each register, GPS locating module, data-carrier store in the single-chip microcomputer.
(3) counting n=n+1, input detects and calls the roll or period on the wireless handbook of PDA.
(4) wait for GPS locating module location.
(5) judge whether gps signal is effective,, otherwise change (4) if signal effectively then changes (6).
(6) read the GPS locator data, and convert its latitude and longitude coordinates into the WGS-84 planimetric rectangular coordinates.
(7) detects and reads
,
and
Three gas concentration.
(8) detect and read the air themperature value.
(9) through single-chip microcomputer the data that detect are carried out A/D conversion and information coding.
(10) on the wireless handbook of PDA, show all related datas that n is ordered.
(11) prompting operation person checks data, and confirms whether preserve, and then changes (12) if inspection is errorless, otherwise changes (4).
(12) all related datas that storage n is ordered in data-carrier store.
(13) whether prompting carries out next some detection, then changes (3) if also need detect, otherwise changes (14).
(14) powered-down switch, detection of end.
After using this environment comprehensive pick-up unit that environmental parameter such as the multiple harmful gas concentration of enough multiple spots in the coal fire district and air themperature and locator data are gathered; Just the related data that can check all check points in the data-carrier store through the wireless handbook of PDA is perhaps checked the related data transmission of all check points through the data transmission interface on the data-carrier store to computing machine.Draw the geographic distribution of environmental parameter such as multiple harmful gas concentration and air themperature in the whole coal fire district through manual or computer software then; In time assess near the air pollution situation the coal fire district all sidedly, for its environmental improvement and urgency thereof provide decision-making foundation.
Claims (2)
1. coal fire district environment comprehensive pick-up unit of introducing gps signal, it is characterized in that: this pick-up unit comprises sensor assembly, GPS locating module and gps antenna thereof, GPRS communication module and the wireless handbook of GPRS antenna, data-carrier store, single-chip microcomputer, power module and PDA thereof; Wherein, said sensor assembly comprises
concentration sensor and signal amplification circuit,
concentration sensor and signal amplification circuit thereof,
concentration sensor and signal amplification circuit and air temperature sensor and signal amplification circuit thereof; Said power module comprises electric battery and power-switching circuit; The wireless handbook of said PDA comprises PDA antenna, PDA wireless control module and LCD LCDs;
(1) in the said sensor assembly; The output terminal of
concentration sensor,
concentration sensor,
concentration sensor and air temperature sensor is connected with the input end of its signal amplification circuit respectively, and the output terminal of each signal amplification circuit all is connected with the A/D translation interface of said single-chip microcomputer;
(2) said gps antenna is connected with the GPS locating module, and said GPRS antenna is connected with the GPRS communication module, and GPS locating module, GPRS communication module and said data-carrier store all are connected with the data transmission interface of said single-chip microcomputer;
(3) in the said power module, electric battery is connected with power-switching circuit, and power-switching circuit is connected with each signal amplification circuit of GPS locating module, data-carrier store, GPRS communication module, single-chip microcomputer and sensor assembly respectively;
(4) in the wireless handbook of said PDA, the PDA antenna is connected with the PDA wireless control module, and the PDA wireless control module is connected with the LCD LCDs, and passes through PDA antenna and GPRS antenna and GPRS communication module and set up the wireless communication networks based on GPRS.
2. coal fire district environment comprehensive detection method of introducing gps signal, it is characterized in that: the detection method of said coal fire district environment comprehensive pick-up unit is:
(1) turn on the power switch, single-chip microcomputer powers on, and device carries out the initialization setting to the variable of each parts automatically; Handbook prompting input that PDA is wireless detects calls the roll or period, and input back GPS pilot lamp begins flicker, after pilot lamp extinguishes; Expression receives effective gps signal; The GPS locating module is located successfully through pseudo range measurement, and the data transmission interface through single-chip microcomputer reads these point location data that the GPS locating module obtains then, and converts its latitude and longitude coordinates into the WGS-84 planimetric rectangular coordinates;
(2) use
concentration sensor,
concentration sensor,
concentration sensor and air temperature sensor to detect
, the concentration and the air themperature of
and
three kinds of gases of this point respectively; The current signal of sensor output is directly proportional with gas content or the air themperature around it; Through signal amplification circuit it is amplified then; Convert the current signal in the critical field into; Through the A/D translation interface of single-chip microcomputer these normalized current signals are gathered at last; Through convert into after the computing with survey gas concentration or air themperature to corresponding value, soon analog signal conversion is a digital signal;
(3) data such as concentration, air themperature and WGS-84 planimetric rectangular coordinates of detected this point
,
,
three kinds of gases are encoded, the data after will encoding through the GPRS communication module then send to the wireless handbook of PDA and on its LCD LCDs, show;
(4) after the wireless handbook of PDA receives and shows all related datas of this point; Prompting operation person reviews and validate whether preserve these data; If the errorless data storage after then will encoding through the data transmission interface of single-chip microcomputer of inspection is in data-carrier store; Otherwise delete these data and begin to carry out again the detection of this point data, up to checking all related datas errorless and that confirm to preserve this point from receiving gps signal;
(5) when this point detect finish after, whether handbook prompting that PDA is wireless descend the detection of a bit, then moves to new some position as if also detecting, from importing the detection that new roll-call or period begin to descend a bit, otherwise detection of end quits a program.
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|---|---|---|---|
| CN2011103641367A CN102506940B (en) | 2011-11-17 | 2011-11-17 | Comprehensive detection device and method of coal mine fire area environment by introducing GPS signal |
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|---|---|---|---|
| CN2011103641367A CN102506940B (en) | 2011-11-17 | 2011-11-17 | Comprehensive detection device and method of coal mine fire area environment by introducing GPS signal |
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Cited By (3)
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| CN102917063A (en) * | 2012-10-23 | 2013-02-06 | 山东省计算中心 | Portable environment-friendly parameter acquiring device based on Beidou navigation system |
| CN109000732A (en) * | 2018-08-08 | 2018-12-14 | 沈阳维尔环保工程有限公司 | A kind of intelligent environment monitoring device and method |
| CN112924044A (en) * | 2021-01-26 | 2021-06-08 | 上海精普机电科技有限公司 | Lifting adjusting type bimetal thermometer |
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