CN101441803B - Long distance gas monitoring and alarming method - Google Patents
Long distance gas monitoring and alarming method Download PDFInfo
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- CN101441803B CN101441803B CN2008102200079A CN200810220007A CN101441803B CN 101441803 B CN101441803 B CN 101441803B CN 2008102200079 A CN2008102200079 A CN 2008102200079A CN 200810220007 A CN200810220007 A CN 200810220007A CN 101441803 B CN101441803 B CN 101441803B
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Abstract
The invention relates to an alarm method for monitoring gas remotely, which comprises the following steps: mounting a gas sensor in an operating region required to monitor gas density; transmitting information source/sink C such as the detected gas density signals to a wireless receiving and transmitting terminal A by the gas sensor, then transmitting the signals to a transmitting node 1, a power line 1, a transmitting node 2, a transmitting node 3, a power line 2, a transmitting 4, a wireless receiving and transmitting terminal B and an information source/sink D, and transmitting the signal reversely to the information source/sink C so that operators in the operating region process the signals according to instructions; and finishing the bidirectional signal transmission through the above steps to perform monitoring. The alarm method has the advantages that the safe production conditions in the operating region such as gas density, humidity, temperature, air pressure, dust degree and production progress in a coal mine can be reflected to all levels of safe production supervision departments thousands of miles away through the method, and the supervision departments can feed back information to the operating region timely and quickly, which is greatly favorable for safe production.
Description
Technical field
The present invention relates to the method for gas monitoring and alarming, also relate to the equipment of implementing this method.
Background technology
The operation area of containing gas is the high-risk operation area, in order to keep the safety in production, is provided with monitoring alarm device in operation area gassy.At present, the gas monitoring and alarming device is had nothing in common with each other, and monitoring alarm method is also had nothing in common with each other.Existing the most frequently used is: firedamp sensor is installed in operation area gassy, after reaching dangerous values, gas density reports to the police again, or gas density information is sent to the safety manufacture supervising department in strange land, and this transmission generally all right and wrong are remote, for example from coal mine near the ground safety manufacture supervising the mine, if transmit with wireless channel, from the underground mine to ground, the transmitter that required power is bigger is if with the wire message way transmission, then want other stringing road, if utilize line of electric force, when having pair signal to play the components and parts of buffer action on the line of electric force, as ammeter, switches etc. just can't transmit.
Summary of the invention
Technical matters to be solved by this invention provides a kind of long distance gas monitoring and alarming method in order to overcome above-mentioned weak point exactly, utilize this method can realize long distance gas monitoring and alarming, for example mineral bureau or province, city's safety production monitoring administrative authority can monitor the safety in production of being far apart the outer coal mine underground work district of several hundred kilometers.
The present invention adopts following technical scheme.
Long distance gas monitoring and alarming method may further comprise the steps:
1. in the operation area of need monitoring gas density sourcesink C is installed, but as firedamp sensor, camera, intercom screen, computing machine, televisor;
2. sourcesink C is sent to wireless terminal transceiver A with electric signal, as the detected gas density signal of firedamp sensor is sent to wireless receiving and dispatching terminal A;
3. wireless receiving and dispatching terminal A passes the signal come with sourcesink C and is modulated to data-signal and is sent to transmission node 1;
4. transmission node 1 is coupled to line of electric force 1 with data-signal, utilizes power line transmission to arrive transmission node 2;
5. transmission node 2 with data-signal by being wirelessly transmitted to transmission node 3;
6. transmission node 3 is coupled to line of electric force 2 with data-signal, utilizes the line of electric force data signal to transmission node 4;
7. transmission node 4 is reconciled data-signal and is sent to wireless receiving and dispatching terminal B;
8. wireless receiving and dispatching terminal B sends signal to sourcesink D, but as camera, intercom screen, computing machine, televisor;
9. sourcesink D sends instruction, becomes information source, oppositely is sent to sourcesink C, and sourcesink C becomes the stay of two nights, and the personnel of operation area are according to instruction process;
10. 1.～9. by step, finish the two-way transmission of signal, advance monitoring, described two-way transmission, be meant that sourcesink C sends the conveyer of signal by the centre and is sent to sourcesink D, also sourcesink D sends the conveyer of signal by the centre and is sent to sourcesink C, or the mutual signal feedback between them.
Implement the device of long distance gas monitoring and alarming method, comprise firedamp sensor, also include wireless receiving and dispatching terminal, transmission node, line of electric force, annexation between them is that firedamp sensor is electrically connected with wireless receiving and dispatching terminal A, and sourcesink C, wireless receiving and dispatching terminal A, transmission node 1, line of electric force 1, transmission node 2, transmission node 3, line of electric force 2, transmission node 4, wireless receiving and dispatching terminal B, sourcesink D are electrically connected successively.
Described transmission node comprises antenna A, wireless transceiver module, master controller, two broadbands High Output Current amplifier, electric wire standard interface coupling mechanism, line of electric force, they are electrically connected successively, but and two-way transfer of data signal, described two-way transmission, be meant that signal is sent to line of electric force from antenna, also can be sent to antenna from line of electric force.
Described wireless transceiver module comprises antenna, power amplifier, radio-frequency (RF) transceiver, microprocessor and crystal oscillator, power amplifier, radio-frequency (RF) transceiver, microprocessor is electrically connected successively, but and two-way transfer of data signal, described two-way transmission, be meant that signal is sent to microprocessor from power amplifier, also can be sent to power amplifier from microprocessor, the other end of microprocessor is electrically connected with master controller, antenna is electrically connected received signal with power amplifier and launches, antenna also is electrically connected with power amplifier and sends signal to, crystal oscillator A is electrically connected with radio frequency amplifier, and crystal oscillator B is electrically connected with microprocessor.
The invention has the advantages that: the method that the present invention adopts wireless transmission and power line carrier transmission to combine, utilize the equipment of implementing this method, can realize long distance gas monitoring and warning, for example, certain coal mine safety in production situation, as gas density, humidity, temperature, the dust degree, air pressure, manufacturing schedule etc., can utilize this method to be reflected to be separated by the safety manufacture supervising at different levels department beyond the several hundred kilometers, as be reflected to mineral bureau, provincial, and municipal level safety manufacture supervising department, safety manufacture supervising at different levels department can in time reach feedback information to the mine operation district again fast, helps safety in production so greatly.
Description of drawings
Fig. 1 is for implementing apparatus structure block scheme of the present invention;
Fig. 2 is the transmission node block diagram;
Fig. 3 is a wireless transceiver modular structure block scheme.
Embodiment
With accompanying drawing invention is further described in conjunction with the embodiments.
Referring to Fig. 1 to Fig. 3, long distance gas monitoring and alarming method may further comprise the steps:
1. in the operation area of need monitoring gas density sourcesink C is installed, but as firedamp sensor, camera, intercom screen, computing machine, televisor;
2. sourcesink C is sent to wireless terminal transceiver A with electric signal, as the detected gas density signal of firedamp sensor is sent to wireless receiving and dispatching terminal A;
3. wireless receiving and dispatching terminal A passes the signal come with sourcesink C and is modulated to data-signal and is sent to transmission node 1;
4. transmission node 1 is coupled to line of electric force 1 with data-signal, utilizes power line transmission to arrive transmission node 2;
5. transmission node 2 with data-signal by being wirelessly transmitted to transmission node 3;
6. transmission node 3 is coupled to line of electric force 2 with data-signal, utilizes the line of electric force data signal to transmission node 4;
7. transmission node 4 is reconciled data-signal and is sent to wireless receiving and dispatching terminal B;
8. wireless receiving and dispatching terminal B sends signal to sourcesink D, but as camera, intercom screen, computing machine, televisor;
9. sourcesink D sends instruction, becomes information source, oppositely is sent to sourcesink C, and sourcesink C becomes the stay of two nights, and the personnel of operation area are according to instruction process;
10. 1.～9. by step, finish the two-way transmission of signal, advance monitoring, described two-way transmission, be meant that sourcesink C sends the conveyer of signal by the centre and is sent to sourcesink D, also sourcesink D sends the conveyer of signal by the centre and is sent to sourcesink C, or the mutual signal feedback between them.
Between transmission node 2 and the transmission node 3, distance according to transmitting range, can arrange a plurality of transmission nodes and line of electric force to carry out the transmission of data-signal, as transmission node 2 → line of electric force 3 → transmission node 5 → transmission node 6 → line of electric force 4 → transmission node 7 → transmission node 8 → line of electric force 5 → transmission node 9 → transmission node 3.
Referring to Fig. 1, implement the device of long distance gas monitoring and alarming method, comprise firedamp sensor, also include wireless receiving and dispatching terminal, transmission node, line of electric force, annexation between them is that firedamp sensor is electrically connected with wireless receiving and dispatching terminal A, and sourcesink C, wireless receiving and dispatching terminal A, transmission node 1, line of electric force 1, transmission node 2, transmission node 3, line of electric force 2, transmission node 4, wireless receiving and dispatching terminal B, sourcesink D are electrically connected successively.Described electrical connection, comprise wire message way and wireless channel, 4 of being electrically connected of transmission node 1 and 2 of transmission nodes, transmission node 3 and transmission nodes electrically connect as wire message way, electrically connect as wireless channel between being electrically connected of transmission node 2 and 3 of transmission nodes, wireless receiving and dispatching terminal A and transmission node 1, transmission node 4 and wireless receiving and dispatching terminal B, electrically connect as wireless channel between being electrically connected between sourcesink C and wireless receiving and dispatching terminal A, sourcesink C and wireless receiving and dispatching terminal B.
Referring to Fig. 2, described transmission node comprises antenna, wireless transceiver module, master controller, two broadbands High Output Current amplifier, electric wire standard interface coupling mechanism, line of electric force, they are electrically connected successively, but and two-way transfer of data signal, described two-way transmission, be meant that signal is sent to line of electric force from antenna, also can be sent to antenna from line of electric force.
Referring to Fig. 3, described wireless transceiver module comprises antenna, power amplifier, radio-frequency (RF) transceiver, microprocessor and crystal oscillator, power amplifier, radio-frequency (RF) transceiver, microprocessor is electrically connected successively, but and two-way transfer of data signal, described two-way transmission, be meant that signal is sent to microprocessor from power amplifier, also can be sent to power amplifier from microprocessor, the other end of microprocessor is electrically connected with master controller, antenna is electrically connected received signal with power amplifier and launches, antenna also is electrically connected with radio-frequency (RF) transceiver and sends signal to, and crystal oscillator A is electrically connected with radio-frequency (RF) transceiver, and crystal oscillator B is electrically connected with microprocessor.Power supply is given each components and parts power supply.Antenna among Fig. 2, Fig. 3 is same components and parts.
Described line of electric force 1, line of electric force 2, line of electric force 1 is near the line of electric force the information source, as near the line of electric force the mine operation district, line of electric force 2 is near the line of electric force the safety manufacture supervising department, can be following three kinds of situations: 1., same line of electric force, owing on the line of electric force components and parts that signal played buffer action are housed, as ammeter, switch etc., the line of electric force of this components and parts leading portion claims line of electric force 1, and the line of electric force of back segment claims line of electric force 2.2., on same group of transmission of electricity line of electric force, line of electric force 1 be the X phase, line of electric force 2 is Y phase or Z phase.3., not on the same group the transmission of electricity line of electric force, certain the phase line of electric force in first group is a line of electric force 1, certain the phase line of electric force in another group is a line of electric force 2.
The described transmission node 1 of presents, transmission node 2, transmission node 3, transmission node 4, structure are identical, and the effect of each components and parts is as follows:
A: wireless transceiver module: be used to receive audio frequency and video and the control signal that the wireless terminal emission comes, simultaneously the signal that receives passed to master controller; Or receive the audio frequency and video and the control signal of coming out from the master controller demodulation, give wireless receiving and dispatching terminal or transmission node by wireless transmit.
B: master controller: wireless transceiver module is passed the signal of coming, add the electric power geocoding, after the modulation, pass to two broadbands High Output Current amplifier; Or receive from the next signal of electric wire standard interface coupling mechanism coupling, demodulation is passed to wireless transceiver module behind the removal electric power geocoding.
C: two broadbands High Output Current amplifier: master controller is passed the signal of coming, become big current signal, pass to electric wire standard interface coupling mechanism then and be coupled on the line of electric force.
D: electric wire standard interface coupling mechanism: two broadbands High Output Current amplifier is passed the big electric current audio frequency and video and the control signal of coming be coupled on the line of electric force; Or from line of electric force, audio frequency and video and control signal are separated, pass to master controller.
E: power supervisor is the power supply of obtaining from line of electric force, and by the voltage stabilizing dividing potential drop, radio receiving transmitting module is given in power supply respectively, master controller, two broadbands High Output Current amplifier, and electric wire standard interface coupling mechanism.
The effect of each first device of wireless transceiver module is as follows:
1, power amplifier: be used for signal that radio-frequency (RF) transceiver is modulated, send with wireless by being modulated on the antenna after the power amplification.
2, radio-frequency (RF) transceiver:, issue power amplifier through after the carrier modulation with the data that microprocessor sends; Or, after demodulating data, send microprocessor to the signal that antenna sends.
3, microprocessor: pass data mutually with radio-frequency (RF) transceiver; Pass data mutually with the master controller in the transmission node.
4, crystal oscillator B: be connected with microprocessor, guarantee the microprocessor operate as normal.
5, crystal oscillator A: be connected with radio-frequency (RF) transceiver, guarantee the radio-frequency (RF) transceiver operate as normal.
Claims (4)
1. long distance gas monitoring and alarming method is characterized in that may further comprise the steps:
1. in the operation area of need monitoring gas density sourcesink C is installed, but described sourcesink C is firedamp sensor or camera or intercom or screen or computing machine or televisor;
2. sourcesink C is sent to wireless terminal transceiver A with electric signal, and the detected gas density signal of firedamp sensor is sent to wireless receiving and dispatching terminal A;
3. wireless receiving and dispatching terminal A passes the signal come with sourcesink C and is modulated to data-signal and is sent to transmission node 1;
4. transmission node 1 is coupled to line of electric force 1 with data-signal, utilizes power line transmission to arrive transmission node 2;
5. transmission node 2 with data-signal by being wirelessly transmitted to transmission node 3;
6. transmission node 3 is coupled to line of electric force 2 with data-signal, utilizes the line of electric force data signal to transmission node 4;
7. transmission node 4 is reconciled data-signal and is sent to wireless receiving and dispatching terminal B;
8. wireless receiving and dispatching terminal B sends signal to sourcesink D, but described sourcesink D is camera or intercom or screen or computing machine or televisor;
9. sourcesink D sends instruction, becomes information source, oppositely is sent to sourcesink C, and sourcesink C becomes the stay of two nights, and the personnel of operation area are according to instruction process;
10. by step 1.～9., finish the two-way transmission of signal, advance monitoring, described two-way transmission is meant that sourcesink C and sourcesink D carry out signal feedback mutually by the conveyer of centre.
2. device of implementing the long distance gas monitoring and alarming method of claim 1, comprise firedamp sensor, it is characterized in that: also include wireless receiving and dispatching terminal, transmission node, line of electric force, annexation between them is that firedamp sensor is electrically connected with wireless receiving and dispatching terminal A, and sourcesink C, wireless receiving and dispatching terminal A, transmission node 1, line of electric force 1, transmission node 2, transmission node 3, line of electric force 2, transmission node 4, wireless receiving and dispatching terminal B, sourcesink D are electrically connected successively.
3. the device of the long distance gas monitoring and alarming method of enforcement claim 1 according to claim 2, it is characterized in that: described transmission node comprises antenna, wireless transceiver module, master controller, two broadbands High Output Current amplifier, electric wire standard interface coupling mechanism, line of electric force, they are electrically connected successively, and line of electric force is connected with aerial signal.
4. the device of the long distance gas monitoring and alarming method of enforcement claim 1 according to claim 3, it is characterized in that: described wireless transceiver module comprises antenna, power amplifier, radio-frequency (RF) transceiver, microprocessor and crystal oscillator, power amplifier, radio-frequency (RF) transceiver, microprocessor is electrically connected successively, power amplifier is connected with microprocessor signals, the other end of microprocessor is electrically connected with master controller, antenna is electrically connected with power amplifier and transmission signals, crystal oscillator A is electrically connected with radio frequency amplifier, and crystal oscillator B is electrically connected with microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102200079A CN101441803B (en) | 2008-12-15 | 2008-12-15 | Long distance gas monitoring and alarming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102200079A CN101441803B (en) | 2008-12-15 | 2008-12-15 | Long distance gas monitoring and alarming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101441803A CN101441803A (en) | 2009-05-27 |
| CN101441803B true CN101441803B (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102200079A Expired - Fee Related CN101441803B (en) | 2008-12-15 | 2008-12-15 | Long distance gas monitoring and alarming method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348019A (en) * | 2011-09-20 | 2012-02-08 | 上海华勤通讯技术有限公司 | Mobile phone and gas detecting method |
| PL228634B1 (en) | 2014-10-30 | 2018-04-30 | Inst Technik Innowacyjnych Emag | Method and the system for detecting and minimising methane hazard within the excavation longwall area |
| CN105003293A (en) * | 2015-07-01 | 2015-10-28 | 西南石油大学 | Gas drainage system for high-gas-content coal mine |
| CN106324203A (en) * | 2016-10-21 | 2017-01-11 | 成都时代星光科技有限公司 | Long-distance toxic gas detection system based on unmanned aerial vehicle |
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Free format text: FORMER OWNER: CHEN XIN Owner name: DONGGUAN CITY RF ELECTRONICS TECH CO., LTD. Free format text: FORMER OWNER: DENG XINWEN Effective date: 20100824 |
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Free format text: CORRECT: ADDRESS; FROM: 523925 NO. 7, HETANGANGZHONGXING ROAD, BEIZHA VILLAGE, HUMEN TOWN, DONGGUAN CITY, GUANGDONG PROVINCE TO: 523925 TANGANG, BEISHAN RIVER, HUMEN TOWN, DONGGUAN CITY, GUANGDONG PROVINCE |
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Effective date of registration: 20100824 Address after: 523925, Humen Town, Guangdong, Dongguan Province Applicant after: Dongguan RF Intelligent Technology Shares Co., Ltd. Address before: 523925, Guangdong, Dongguan Province, Humen Town, North Village, river pond, Zhongxing Road, No. 7 Applicant before: Deng Xinwen Co-applicant before: Chen Xin |
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Granted publication date: 20101222 Termination date: 20181215 |