CN104132730B - A kind of mining tunnel explosion suppression device and method - Google Patents
A kind of mining tunnel explosion suppression device and method Download PDFInfo
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- CN104132730B CN104132730B CN201410343484.XA CN201410343484A CN104132730B CN 104132730 B CN104132730 B CN 104132730B CN 201410343484 A CN201410343484 A CN 201410343484A CN 104132730 B CN104132730 B CN 104132730B
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Abstract
nullThe present invention relates to a kind of mining tunnel explosion suppression device and method，This device includes: the first ultraviolet light photo tube sensor、Second ultraviolet light photo tube sensor and fix the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor and the housing of testing circuit，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are separately positioned on housing both sides，There is lead angle housing both sides，The first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor is made to form the angle of divergence more than 90 degree，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor respective detection light district form the coincidence district more than 90 degree，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are separated by housing respectively，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor electrically connect with testing circuit respectively，By testing circuit, the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are carried out detection process，Datonation-inhibition signal is given by testing circuit.
Description
Technical field
The present invention relates to Spark plug optical fiber sensor technology, particularly a kind of mining tunnel explosion suppression device and method.
Background technology
In safety of coal mines detects, increase flare up fire detection and dispose, the generation of the great dangerous situation of active prevention can be reached；But oversensitiveness or the detection to error signal, then can affect normal production and management, after ultraviolet phototube can detect the flare up fire of certain intensity, certain angle and certain distance, by ultraviolet phototube detector signal being divided folding and processing, the purpose of safety detection flare up fire can be reached.In order to make flare up fire more accurately with reliable, dual sensor is generally used to carry out fire defector, in order to eliminate the error detection of single-sensor.But owing to the most easily there is interfering phenomenon between ultraviolet phototube, produced impact does not only reach the purpose improving reliability, also can cause the generation of rub-out signal.
Summary of the invention
It is an object of the invention to provide a kind of reliability high, generation interferes signal and does not interferes with mining tunnel explosion suppression device and the method for signal detection.
nullThe object of the present invention is achieved like this，A kind of mining tunnel explosion suppression device，It is characterized in that: at least include: the first ultraviolet light photo tube sensor、Second ultraviolet light photo tube sensor and fix the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor and the housing of testing circuit，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are separately positioned on housing both sides，There is lead angle housing both sides，The first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor is made to form the angle of divergence more than 90 degree，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor respective detection light district form the coincidence district more than 90 degree，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are separated by housing respectively，First ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor electrically connect with testing circuit respectively，By testing circuit, the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are carried out detection process，Datonation-inhibition signal is given by testing circuit.
Described testing circuit includes: ultraviolet phototube testing circuit, signal pre-processing circuit, single-chip microcomputer, datonation-inhibition output circuit and communication interface；Ultraviolet phototube testing circuit has two groups of identical circuit to be respectively completed the signal driving output that the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor receive light, ultraviolet phototube testing circuit uses the voltage detecting circuit of standard, including voltage source E, ultraviolet phototube ZWG, output resistance R2 and resistance R1, electric capacity C1, it is connected in parallel on electric capacity C1 two ends after ultraviolet phototube ZWG series connection output resistance R2, electric capacity C1 mono-terminates the negative pole of voltage source E, and the other end is connected by the positive electrical of resistance R1 and voltage source E.
Described signal pre-processing circuit uses the Schmidt trigger circuit of two-stage series connection electrical connection, the Schmidt trigger circuit of two-stage series connection electrical connection the signal that ultraviolet phototube testing circuit exports to be carried out Shape correction, obtains the square wave of rule；Signal after the Schmidt trigger circuit Shape correction of two-stage series connection electrical connection is input to the I/O port of single-chip microcomputer, single-chip microcomputer be identified processing, result exported by datonation-inhibition output circuit or communication interface.
Mining tunnel explosion-suppressing method, is characterized in that: at least comprise the steps:
The first step, obtains the first ultraviolet light photo tube sensor and the ultraviolet signal of the second ultraviolet light photo tube sensor reception respectively；
Second step, the ultraviolet signal receiving the first ultraviolet light photo tube sensor or the second ultraviolet light photo tube sensor processes；
3rd step, processes signal ultraviolet signal normal with ultraviolet light photo tube sensor by the first ultraviolet light photo tube sensor or the second ultraviolet light photo tube sensor and contrasts, if equally continuing the 7th step, otherwise continues next step；
4th step, contrasts the ultraviolet signal that the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor receive, if different continuation the 7th step, otherwise continues next step；
5th step, is exported by datonation-inhibition output circuit and communication interface and has ultraviolet light to produce signal；
6th step, receives ultraviolet light ring off signal, has releasing ultraviolet light alarm signal；Return the first step, do not have, return the 6th step；
7th step, returns the first step.
Described ultraviolet signal is carried out process it be based in some cycles, record continuous light arteries and veins number of times, it is possible to determine flare up fire, in some cycles, record discontinuous smooth arteries and veins number of times, be interference signal.
The invention have the advantage that the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor split in housing both sides, first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor respective detection light district form the coincidence district more than 90 degree, first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are separated by housing respectively, make to produce interference interference the most each other；By testing circuit, the first ultraviolet light photo tube sensor and the second ultraviolet light photo tube sensor are carried out detection process, testing circuit provide datonation-inhibition signal, get rid of and cause rub-out signal.Reach to improve the purpose of reliability.
Accompanying drawing explanation
Below in conjunction with embodiment accompanying drawing, the invention will be further described:
Fig. 1 is embodiment of the present invention structural representation；
Fig. 2 is ultraviolet signal and interference signal schematic representation；
Fig. 3 is testing circuit embodiment 1 circuit theory diagrams；
Fig. 4 is testing circuit embodiment 2 circuit theory diagrams；
Fig. 5 is mining tunnel explosion-suppressing method flow chart.
In figure, the 1, first ultraviolet light photo tube sensor；2, the second ultraviolet light photo tube sensor；3, housing；4, testing circuit；5, first sensor acceptance angle；6, the second sensor acceptance angle；7, coincidence district；8, lead angle.
Detailed description of the invention
Embodiment 1
nullAs shown in Figure 1，A kind of mining tunnel explosion suppression device，At least include: the first ultraviolet light photo tube sensor 1、Second ultraviolet light photo tube sensor 2 and fix the first ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 and the housing 3 of testing circuit，First ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 split in housing 3 both sides，There is lead angle 8 housing 3 both sides，The first ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 is made to form the angle of divergence more than 90 degree，The first sensor acceptance angle 5 of the first ultraviolet light photo tube sensor 1 and the second sensor acceptance angle 6 of the second ultraviolet light photo tube sensor 2 are respectively 120 degree，First ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 respective detection light district can form the coincidence district 7 more than 90 degree，First ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 are separated by housing 3 respectively，Make to produce interference interference the most each other；First ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 electrically connect with testing circuit 4 respectively, by testing circuit 4, first ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 are carried out detection process, testing circuit 4 provide datonation-inhibition signal.
Testing circuit 4 as described in Figure 3 includes: ultraviolet phototube testing circuit 401, signal pre-processing circuit 402, single-chip microcomputer 403, datonation-inhibition output circuit 404 and communication interface 405；Ultraviolet phototube testing circuit 401 has two groups of identical circuit to be respectively completed the signal driving output that the first ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 receive light, ultraviolet phototube testing circuit 401 uses the voltage detecting circuit of standard, including voltage source E, ultraviolet phototube ZWG, output resistance R2 and resistance R1, electric capacity C1, it is connected in parallel on electric capacity C1 two ends after ultraviolet phototube ZWG series connection output resistance R2, electric capacity C1 mono-terminates the negative pole of voltage source E, and the other end is connected by the positive electrical of resistance R1 and voltage source E.Signal pre-processing circuit 402 uses the Schmidt trigger circuit that two-stage series connection electrically connects, and the signal that ultraviolet phototube testing circuit 401 is exported by the Schmidt trigger circuit of two-stage series connection electrical connection carries out Shape correction, obtains the square wave of rule.Signal after the Schmidt trigger circuit Shape correction of two-stage series connection electrical connection is input to the I/O port of single-chip microcomputer 403, single-chip microcomputer 403 be identified processing, result exported by datonation-inhibition output circuit 404 or communication interface 405.
Datonation-inhibition output circuit 404 is an electrical signal output interface, is electrically connected with mining explosion suppressor, provides control signal to mining explosion suppressor.Electrical signal output interface is switching value or 4-20ma.
As it is shown in figure 5, mining tunnel explosion-suppressing method, at least comprise the steps:
The first step, obtains the first ultraviolet light photo tube sensor 1 and the ultraviolet signal of the second ultraviolet light photo tube sensor 2 reception respectively；
Second step, the ultraviolet signal receiving the first ultraviolet light photo tube sensor 1 or the second ultraviolet light photo tube sensor 2 processes；
3rd step, processes signal ultraviolet signal normal with ultraviolet light photo tube sensor by the first ultraviolet light photo tube sensor 1 or the second ultraviolet light photo tube sensor 2 and contrasts, if equally continuing the 7th step, otherwise continues next step；
4th step, contrasts the ultraviolet signal that the first ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 receive, if different continuation the 7th step, otherwise continues next step；
5th step, is exported by datonation-inhibition output circuit 404 and communication interface 405 and has ultraviolet light to produce signal；
6th step, receives ultraviolet light ring off signal, has releasing ultraviolet light alarm signal；Return the first step, do not have, return the 6th step；
7th step, returns the first step.
As shown in Figure 2, described normal ultraviolet signal is: when ultraviolet light pipe is irradiated or under the effect of unknown cosmic ray by discontinuous accidental burning things which may cause a fire disaster (as rig is struck sparks), being also likely to be what ultraviolet light pipe inherent character determined, ultraviolet light pipe can produce the single light pulse at long period interval；When flare up fire is sufficiently large and during Continuous irradiation, then ultraviolet light pipe can export continuous light pulse, and continuous light arteries and veins frequency is determined by RC discharge time constant.
Described ultraviolet signal is carried out process it be based in some cycles, record continuous light arteries and veins number of times, it is possible to determine flare up fire, in some cycles, record discontinuous smooth arteries and veins number of times, be interference signal.
Embodiment 2
As shown in Figure 4, testing circuit 4 includes: ultraviolet phototube testing circuit 401, signal pre-processing circuit 402, single-chip microcomputer 403, datonation-inhibition output circuit 404 and communication interface 405；Ultraviolet phototube testing circuit 401 has two groups of identical circuit to be respectively completed the signal driving output that the first ultraviolet light photo tube sensor 1 and the second ultraviolet light photo tube sensor 2 receive light, ultraviolet phototube testing circuit 401 uses the voltage detecting circuit of standard, including voltage source E, ultraviolet phototube ZWG, output resistance R2 and resistance R1, electric capacity C1, ultraviolet phototube ZWG and output resistance R2 is connected in parallel on electric capacity C1 two ends, electric capacity C1 mono-terminates the negative pole of voltage source E, and the other end is connected by the positive electrical of resistance R1 and voltage source E.Signal pre-processing circuit 402 uses the Schmidt trigger circuit that two-stage series connection electrically connects, and the signal that ultraviolet phototube testing circuit 401 is exported by the Schmidt trigger circuit of two-stage series connection electrical connection carries out Shape correction, obtains the square wave of rule.Signal after the Schmidt trigger circuit Shape correction of two-stage series connection electrical connection is input to the I/O port of single-chip microcomputer 403, single-chip microcomputer 403 be identified processing, result exported by datonation-inhibition output circuit 404 or communication interface 405.
When strong illumination, due to the effect of negative electrode residual particles, ultraviolet light pipe first turns on to continue and stays the time relatively big, i.e. the t1 time can continue more than 10ms, thus can reduce the detection response time to ultraviolet light pipe.
The directional property of UV sensor is as shown in the figure.It can be seen that either jacking type sensor or horizontal sensor, they have flatter response in 120 ° of angulars field of view.
Parts that the present embodiment describes the most in detail and structure and technique belong to the well-known components of the industry and common structure or conventional means, describe the most one by one.
Claims (5)
- null1. a mining tunnel explosion suppression device，It is characterized in that: at least include: the first ultraviolet light photo tube sensor (1)、Second ultraviolet light photo tube sensor (2) and fix the first ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) and the housing (3) of testing circuit，First ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) are separately positioned on housing (3) both sides，There is lead angle (8) housing (3) both sides，The first ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) is made to form the angle of divergence more than 90 degree，First ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) respective detection light district form the coincidence district (7) more than 90 degree，First ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) are separated by housing (3) respectively，First ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) electrically connect with testing circuit (4) respectively，By testing circuit (4), the first ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) are carried out detection process，Datonation-inhibition signal is given by testing circuit (4).
- A kind of mining tunnel explosion suppression device the most according to claim 1, is characterized in that: described testing circuit (4) including: ultraviolet phototube testing circuit (401), signal pre-processing circuit (402), single-chip microcomputer (403), datonation-inhibition output circuit (404) and communication interface (405)；Ultraviolet phototube testing circuit (401) has two groups of identical circuit to be respectively completed the signal driving output that the first ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) receive light, ultraviolet phototube testing circuit (401) uses the voltage detecting circuit of standard, including voltage source E, ultraviolet phototube ZWG, output resistance R2 and resistance R1, electric capacity C1, it is connected in parallel on electric capacity C1 two ends after ultraviolet phototube ZWG series connection output resistance R2, electric capacity C1 mono-terminates the negative pole of voltage source E, and the other end is connected by the positive electrical of resistance R1 and voltage source E.
- A kind of mining tunnel explosion suppression device the most according to claim 1, it is characterized in that: described signal pre-processing circuit (402) uses the Schmidt trigger circuit of two-stage series connection electrical connection, the signal that ultraviolet phototube testing circuit (401) exports is carried out Shape correction by the Schmidt trigger circuit of two-stage series connection electrical connection, obtains the square wave of rule；Signal after the Schmidt trigger circuit Shape correction of two-stage series connection electrical connection is input to the I/O port of single-chip microcomputer (403), single-chip microcomputer (403) be identified processing, result exported by datonation-inhibition output circuit (404) or communication interface (405).
- 4., according to the mining tunnel explosion-suppressing method of a kind of mining tunnel explosion suppression device described in Claims 2 or 3, it is characterized in that: at least comprise the steps:The first step, obtains the first ultraviolet light photo tube sensor (1) and ultraviolet signal that the second ultraviolet light photo tube sensor (2) receives respectively；Second step, the ultraviolet signal receiving the first ultraviolet light photo tube sensor (1) or the second ultraviolet light photo tube sensor (2) processes；3rd step, processes signal ultraviolet signal normal with ultraviolet light photo tube sensor by the first ultraviolet light photo tube sensor (1) or the second ultraviolet light photo tube sensor (2) and contrasts, if equally continuing the 7th step, otherwise continues next step；4th step, contrasts the ultraviolet signal that the first ultraviolet light photo tube sensor (1) and the second ultraviolet light photo tube sensor (2) receive, if different continuation the 7th step, otherwise continues next step；5th step, is exported by datonation-inhibition output circuit (404) and communication interface (405) and has ultraviolet light to produce signal；6th step, receives ultraviolet light ring off signal, has releasing ultraviolet light alarm signal；Return the first step, do not have, return the 6th step；7th step, returns the first step.
- 5. according to the mining tunnel explosion-suppressing method described in claim 4, it is characterized in that: described ultraviolet signal is carried out process be based in some cycles, record continuous light arteries and veins number of times, just can determine that flare up fire, in some cycles, record discontinuous smooth arteries and veins number of times, be interference signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410343484.XA CN104132730B (en) | 2014-07-02 | 2014-07-18 | A kind of mining tunnel explosion suppression device and method |
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| CN201410311553 | 2014-07-02 | ||
| CN2014103115539 | 2014-07-02 | ||
| CN201410311553.9 | 2014-07-02 | ||
| CN201410343484.XA CN104132730B (en) | 2014-07-02 | 2014-07-18 | A kind of mining tunnel explosion suppression device and method |
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| CN104132730A CN104132730A (en) | 2014-11-05 |
| CN104132730B true CN104132730B (en) | 2016-08-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2098676U (en) * | 1990-06-09 | 1992-03-11 | 尤维索尔有限公司 | Optical detector |
| CN204043787U (en) * | 2014-07-02 | 2014-12-24 | 江苏钜熙矿用设备科技有限公司 | A kind of mining tunnel explosion suppression device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012112727A (en) * | 2010-11-22 | 2012-06-14 | Nihon Univ | Electromagnetic wave intensity distribution measuring device |
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- 2014-07-18 CN CN201410343484.XA patent/CN104132730B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2098676U (en) * | 1990-06-09 | 1992-03-11 | 尤维索尔有限公司 | Optical detector |
| CN204043787U (en) * | 2014-07-02 | 2014-12-24 | 江苏钜熙矿用设备科技有限公司 | A kind of mining tunnel explosion suppression device |
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Inventor after: Liu Zuosheng Inventor after: Bai Jiancheng Inventor after: Nan Yingchao Inventor after: Yang Guangping Inventor after: Chen Yi Inventor after: Dong Huan Inventor after: Wang Linke Inventor after: Wang Feng Inventor before: Liu Zuosheng Inventor before: Bai Jiancheng Inventor before: Nan Yingchao Inventor before: Yang Guangping Inventor before: Chen Yi Inventor before: Dong Huan |
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