CN105181133A - Mine flame sensor with fault self-diagnosis function - Google Patents
Mine flame sensor with fault self-diagnosis function Download PDFInfo
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- CN105181133A CN105181133A CN201510703978.9A CN201510703978A CN105181133A CN 105181133 A CN105181133 A CN 105181133A CN 201510703978 A CN201510703978 A CN 201510703978A CN 105181133 A CN105181133 A CN 105181133A
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Abstract
The invention provides a mine flame sensor with a fault self-diagnosis function, which comprises a sensor shell and a circuit board arranged in the sensor shell, wherein the sensor shell is provided with an upper gas vent and a lower gas vent, and the circuit board comprises a power voltage stabilizing circuit, a high voltage generation circuit, a high voltage detection circuit, a wave shaping circuit, a singlechip circuit and a 485 data transmission circuit and is connected with an ultraviolet flame sensor and an ultraviolet light generator. The mine flame sensor is characterized in that by improving the circuit design, digital signals are adopted for transmitting and judging flame signals and the working state of the interior circuit of the sensor so as to prevent the conditions of fire oversight and fire spread and even extinguishment failure because of unknown sensor damage or line interruption. The flame sensor provided by the invention is provided with the upper gas vent and the lower gas vent, so that dust is not easy to accumulate in the flame sensor; and meanwhile, an aviation plug is used as a power supply and signal transmission channel of the flame sensor, so that the power supply is more stable and the signal transmission is more excellent.
Description
Technical field
The present invention relates to mine safety apparatus field, particularly a kind of mining flame sensor of tape jam self-diagnostic function.
Background technology
It is easily on fire that mining flame sensor is mainly used in underground coal mine, sends the position of fire.When sensor detect have flame to produce time, warning can be sent in time, and Signal transmissions is put out kindling material in time to equipment such as Fire extinguishers.At present, the flame sensor many employings ultraviolet pipe plus signal shaping circuit used, direct output pulse signal is to controller.Having during flame has pulse to export, and exports without no pulse during flame.In this case, when flame sensor has damaged or internal circuit damages, controller can't accept signal, can think by mistake and not have flame to produce, and causes wrong report.Meanwhile, the high-pressure modular of ultraviolet flame sensor and driving sensor is an easily worn part, has certain spoilage after a period of operation, at present mainly through the method for manually overhauling on time to find out the ultraviolet light transducer of damage.Repair time is long, and perhaps when sensor has been broken is not known yet, affect the reliability of whole system, the repair time is short, its labor intensive material resources of postscript.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of mining flame sensor of tape jam self-diagnostic function.
For solving above technical matters, technical scheme provided by the invention is:
A kind of mining flame sensor of tape jam self-diagnostic function, it is characterized in that, comprise sensor housing and be arranged at the wiring board in sensor housing, the lower end of described sensor housing is provided with detection mouth, upper end is provided with mounting flange, described detection mouth is rounded, and be fixed with tempered glass, the periphery of the circle that detection mouth is is provided with the lower blow vent of multiple connection sensor housing inside, described mounting flange is rounded, its center is provided with aviation plug socket, periphery is provided with the fixed orifice of multiple even setting, described aviation plug socket is other is provided with upper vent, described upper vent is the pagoda shape of hollow, and be communicated with sensor housing inside,
Described wiring board comprises power supply stabilization circuit, circuit for producing high voltage, high-voltage detecting circuit, waveform shaping circuit, single chip circuit and 485 data transmission circuits, and be connected with ultraviolet flame sensor and ultraviolet light generator, described power supply stabilization circuit is connected with aviation plug socket, by external power supply for flame sensor provides power supply, described circuit for producing high voltage is connected with ultraviolet flame sensor, be continuously ultraviolet flame sensor to power, the high-voltage signal that circuit for producing high voltage produces, convert electric signal to through high-voltage detecting circuit and input to single chip circuit, single chip circuit catches electric signal, monitoring circuit for producing high voltage duty,
Described ultraviolet light generator is connected with single chip circuit, and control to export ultraviolet signal by single chip circuit, described ultraviolet flame sensor, waveform shaping circuit are connected successively with single chip circuit, ultraviolet flame sensor catches outside signal, and produce pulse signal, described pulse signal is after waveform shaping circuit shaping, and accepted by single chip circuit and analyze, single chip circuit sends analysis instruction;
Described 485 data transmission circuits are connected with aviation plug socket with single chip circuit, and the analysis instruction that single chip circuit sends passes to outside extinguishment control system through 485 data transmission circuits.
Beneficial effect of the present invention is:
The mining flame sensor of a kind of tape jam self-diagnostic function that the present invention proposes, by improving circuit design, adopt digital data transmission and judge flare up fire and sensor internal circuit working state, prevent from not knowing because of sensor degradation or service interruption, cause catching fire neglect one's supervisory duties, the condition of a fire expand situation, even cause and put out a fire unsuccessfully.Flame sensor of the present invention is provided with upper and lower blow vent, not easily dust stratification in flame sensor, meanwhile, adopt aviation plug as the power supply of flame sensor and signal transmission passage, power more reliable, signal transmission is more outstanding.
Accompanying drawing explanation
Fig. 1 cut-open view of the present invention.
Fig. 2 connection layout of the present invention.
Fig. 3 principle of the invention figure.
Embodiment
The mining flame sensor of a kind of tape jam self-diagnostic function as shown in the figure, it is characterized in that, the wiring board 2 comprising sensor housing 1 and be arranged in sensor housing 1, the lower end of described sensor housing 1 is provided with detection mouth 3, upper end is provided with mounting flange 4, described detection mouth 3 is rounded, and be fixed with tempered glass 5, the periphery of the circle that detection mouth 3 is is provided with the lower blow vent 6 of multiple connection sensor housing 1 inside, described mounting flange 4 is rounded, its center is provided with aviation plug socket 7, periphery is provided with the fixed orifice 8 of multiple even setting, described aviation plug socket 7 is other is provided with upper vent 9, the pagoda shape of described upper vent 9 in hollow, and it is inner to be communicated with sensor housing 1,
Described wiring board 2 comprises power supply stabilization circuit 10, circuit for producing high voltage 11, high-voltage detecting circuit 18, waveform shaping circuit 12, single chip circuit 13 and 485 data transmission circuit 14, and be connected with ultraviolet flame sensor 15 and ultraviolet light generator 16, described power supply stabilization circuit 10 is connected with aviation plug socket 7, by external power supply for flame sensor provides power supply, described circuit for producing high voltage 11 is connected with ultraviolet flame sensor 15, be continuously ultraviolet flame sensor 15 to power, the high-voltage signal that circuit for producing high voltage 11 produces, convert electric signal to through high-voltage detecting circuit 18 and input to single chip circuit 13, single chip circuit 13 catches electric signal, monitoring circuit for producing high voltage 11 duty,
Described ultraviolet light generator 16 is connected with single chip circuit 13, and control to export ultraviolet signal by single chip circuit 13, described ultraviolet flame sensor 15, waveform shaping circuit 12 are connected successively with single chip circuit 13, ultraviolet flame sensor 15 catches outside signal, and produce pulse signal, described pulse signal, after waveform shaping circuit 12 shaping, is accepted by single chip circuit 13 and analyzes, and single chip circuit 13 sends analysis instruction;
Described 485 data transmission circuits 14 are connected with aviation plug socket 7 with single chip circuit 13, and the analysis instruction that single chip circuit 13 sends passes to outside extinguishment control system through 485 data transmission circuits 14.
The mining flame sensor of a kind of tape jam self-diagnostic function in the present invention, the control ultraviolet light generator of single chip circuit interval sends ultraviolet signal, when ultraviolet flame sensor detects this ultraviolet signal or external flame signal, namely pulse signal can be produced.Pulse signal, after waveform shaping circuit shaping, passes to single chip circuit, and when single chip circuit receives this signal, judgement is that ultraviolet light generator produces or the signal that external flame produces.When single chip circuit judgement is the signal of ultraviolet light generator generation, single chip circuit sends the normal instruction of flame sensor by 485 circuit transmission to outside extinguishment control system; When single chip circuit judgement is the signal of external flame generation, single chip circuit sends instruction flame being detected, sends to outside extinguishment control system by 485 circuit; When single chip circuit can't accept the signal of ultraviolet flame sensor for a long time, also can send faulting instruction, send to outside extinguishment control system by 485 circuit.
Simultaneously, the present invention also can monitor circuit for producing high voltage duty, the high-voltage signal that circuit for producing high voltage produces, convert electric signal to through high-voltage detecting circuit and input to single chip circuit, whether single chip circuit detects circuit for producing high voltage in real time normal, when circuit for producing high voltage is abnormal, single chip circuit produces circuit for producing high voltage faulting instruction, sends to outside extinguishment control system by 485 circuit.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (4)
1. the mining flame sensor of a tape jam self-diagnostic function, it is characterized in that, comprise sensor housing and be arranged at the wiring board in sensor housing, the lower end of described sensor housing is provided with detection mouth, upper end is provided with mounting flange, described detection mouth is rounded, and be fixed with tempered glass, the periphery of the circle that detection mouth is is provided with the lower blow vent of multiple connection sensor housing inside, described mounting flange is rounded, its center is provided with aviation plug socket, periphery is provided with the fixed orifice of multiple even setting, described aviation plug socket is other is provided with upper vent, described upper vent is the pagoda shape of hollow, and be communicated with sensor housing inside.
2. the mining flame sensor of a kind of tape jam self-diagnostic function as claimed in claim 1, it is characterized in that, described wiring board comprises power supply stabilization circuit, circuit for producing high voltage, high-voltage detecting circuit, waveform shaping circuit, single chip circuit and 485 data transmission circuits, and be connected with ultraviolet flame sensor and ultraviolet light generator, described power supply stabilization circuit is connected with aviation plug socket, by external power supply for flame sensor provides power supply, described circuit for producing high voltage is connected with ultraviolet flame sensor, be continuously ultraviolet flame sensor to power, the high-voltage signal that circuit for producing high voltage produces, convert electric signal to through high-voltage detecting circuit and input to single chip circuit, single chip circuit catches electric signal, monitoring circuit for producing high voltage duty.
3. the mining flame sensor of a kind of tape jam self-diagnostic function as claimed in claim 2, it is characterized in that, described ultraviolet light generator is connected with single chip circuit, and control to export ultraviolet signal by single chip circuit, described ultraviolet flame sensor, waveform shaping circuit are connected successively with single chip circuit, ultraviolet flame sensor catches outside signal, and produce pulse signal, described pulse signal is after waveform shaping circuit shaping, accepted by single chip circuit and analyze, single chip circuit sends analysis instruction.
4. the mining flame sensor of a kind of tape jam self-diagnostic function as claimed in claim 2, it is characterized in that, described 485 data transmission circuits are connected with aviation plug socket with single chip circuit, and the analysis instruction that single chip circuit sends passes to outside extinguishment control system through 485 data transmission circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703978.9A CN105181133A (en) | 2015-10-27 | 2015-10-27 | Mine flame sensor with fault self-diagnosis function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703978.9A CN105181133A (en) | 2015-10-27 | 2015-10-27 | Mine flame sensor with fault self-diagnosis function |
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| Publication Number | Publication Date |
|---|---|
| CN105181133A true CN105181133A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703978.9A Pending CN105181133A (en) | 2015-10-27 | 2015-10-27 | Mine flame sensor with fault self-diagnosis function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715343A (en) * | 2017-10-30 | 2018-02-23 | 扬中市南方矿用电器有限公司 | A kind of explosion suppression device of tape jam self-diagnostic function |
| CN109115337A (en) * | 2018-09-29 | 2019-01-01 | 大同煤矿集团机电装备科工安全仪器有限责任公司 | A kind of flame sensor |
| CN112648646A (en) * | 2020-12-10 | 2021-04-13 | 广州市红日燃具有限公司 | Early warning device and early warning method for ion-sensitive firewall of integrated cooker |
-
2015
- 2015-10-27 CN CN201510703978.9A patent/CN105181133A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715343A (en) * | 2017-10-30 | 2018-02-23 | 扬中市南方矿用电器有限公司 | A kind of explosion suppression device of tape jam self-diagnostic function |
| CN109115337A (en) * | 2018-09-29 | 2019-01-01 | 大同煤矿集团机电装备科工安全仪器有限责任公司 | A kind of flame sensor |
| CN112648646A (en) * | 2020-12-10 | 2021-04-13 | 广州市红日燃具有限公司 | Early warning device and early warning method for ion-sensitive firewall of integrated cooker |
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Application publication date: 20151223 |