CN202973176U - Laser conduction electrostatic interference resistant ignition device - Google Patents

Laser conduction electrostatic interference resistant ignition device Download PDF

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Publication number
CN202973176U
CN202973176U CN 201220697803 CN201220697803U CN202973176U CN 202973176 U CN202973176 U CN 202973176U CN 201220697803 CN201220697803 CN 201220697803 CN 201220697803 U CN201220697803 U CN 201220697803U CN 202973176 U CN202973176 U CN 202973176U
Authority
CN
China
Prior art keywords
phototriode
collimator
laser
photelectric receiver
ignition device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220697803
Other languages
Chinese (zh)
Inventor
任常兴
张玉贤
李野
李晋
管长勇
张欣
张网
王婕
吴伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JILIN HONGYUAN SCIENCE INSTRUMENT CO Ltd
Tianjin Fire Fighting Institute Ministry of Public Security
Original Assignee
JILIN HONGYUAN SCIENCE INSTRUMENT CO Ltd
Tianjin Fire Fighting Institute Ministry of Public Security
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JILIN HONGYUAN SCIENCE INSTRUMENT CO Ltd, Tianjin Fire Fighting Institute Ministry of Public Security filed Critical JILIN HONGYUAN SCIENCE INSTRUMENT CO Ltd
Priority to CN 201220697803 priority Critical patent/CN202973176U/en
Application granted granted Critical
Publication of CN202973176U publication Critical patent/CN202973176U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a laser conduction electrostatic interference resistant ignition device which comprises a chemical ignitor and further comprises a shell body, a collimator tube, a direct current power source and an ignition device circuit formed by a laser transmitter and a photoelectric receiver. The collimator tube is fixed on one end face of the shell body, the photoelectric receiver is arranged inside the shell body, a grounding terminal is arranged on the shell body, the photoelectric receiver is respectively connected with the external direct current power source and the chemical ignitor, the laser transmitter is connected with one end of the collimator tube, an emitting diode D1 connected with the laser transmitter is arranged inside the collimator tube, a phototriode D2 connected with the photoelectric receiver is arranged inside the other end of the collimator tube, and the emitting diode D1 of the laser transmitter is corresponding to the phototriode D2 of the photoelectric receiver. The laser conduction electrostatic interference resistant ignition device has the advantages of being capable of effectively isolating strong static signals, eliminating interference, caused by static electricity generated by friction of high-speed dust and an ignition electrode in a dust explosion test environment, to a control system, and ensuring normal and reliable operation of the control system.

Description

The antistatic interference igniter of a kind of laser conduction
Technical field
The utility model relates to the antistatic interference igniter of a kind of laser conduction, is used for elimination dust explosion experimental enviroment high speed dust and the fricative static of ignitor to the interference of control system.
Background technology
In the dust explosion experimental enviroment, incendiary source is connected with common line and spray dirt pits when fire difference controller usually, the explosive container integral ground, due to ignitor and explosive container insulation, the fricative static of high speed dust and ignitor can't be absorbed by ground, this electrostatic signal is returned to control system by ignitor, has a strong impact on the normal operation of control system, often causes systemic breakdown; And general photoelectric isolating device does not have effective isolation to strong electrostatic signal, can't thoroughly eliminate electrostatic interference.
Summary of the invention
In order to eliminate dust explosion experimental enviroment high speed dust and the fricative static of ignitor to the interference of control system, the utility model provides a kind of laser conduction antistatic interference igniter, the igniting reliability is high, more is applicable to flammable superfine powder explosion test environment Iganition control system.
the utility model for achieving the above object, the technical scheme that adopts is: the antistatic interference igniter of a kind of laser conduction, comprise chemical ignitor, it is characterized in that: also comprise housing, collimator, dc source and by generating laser, the igniter circuit that photelectric receiver consists of, one end face of described housing is fixed with collimator, be provided with photelectric receiver in housing, housing is provided with ground terminal, described photelectric receiver respectively with external dc source, chemical ignitor connects, described generating laser is connected with an end of collimator, the emission diode D1 that is connected with generating laser is placed in collimator, the phototriode D2 that is connected with photelectric receiver is placed in the other end of collimator, the emission diode D1 of generating laser is corresponding with the phototriode D2 of photelectric receiver.
The beneficial effects of the utility model are can effectively isolate strong electrostatic signal, the interference to control system of elimination dust explosion experimental enviroment high speed dust and the fricative static of ignitor, the operation of Guarantee control system normal reliable.This apparatus structure is simple, and cost is low.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model circuit theory diagrams.
The specific embodiment
as shown in Figure 1, the antistatic interference igniter of laser conduction, comprise chemical ignitor 6, also comprise housing 1, collimator 2, dc source 3 and by generating laser 4, the igniter circuit that photelectric receiver 5 consists of, one end face of housing 1 is bonded with collimator 2, be provided with photelectric receiver 5 in housing 1, housing 1 is provided with ground terminal, photelectric receiver 5 respectively with external dc source 3, chemical ignitor 6 connects, generating laser 4 is spirally connected with an end of collimator 2, the emission diode D1 that is connected with generating laser 4 is placed in collimator 2, the phototriode D2 that is connected with photelectric receiver 5 is placed in the other end of collimator 2, the emission diode D1 of generating laser 4 is corresponding with the phototriode D2 of photelectric receiver 5.
As shown in Figure 2, igniter circuit is connected to, the input diode cathode of photoelectrical coupler D4 meets colelctor electrode and the power supply VCC that starts triode D3 by resistance R 1, the input diode cathode of photoelectrical coupler D4 connects the colelctor electrode of phototriode D2, the emitter stage of phototriode D2 meets the emitter stage of the output triode of photoelectrical coupler D4, an end and the ground GND of chemical ignitor 6, another termination of chemical ignitor 6 starts the emitter stage of triode D3, and the base stage that starts triode D3 connects the colelctor electrode of the output triode of photoelectrical coupler D4 by resistance R 2; The emission diode D1 of generating laser 4 transmits, and the phototriode D2 of photelectric receiver 5 receives signal.
Ignition signal transmits by the emission diode D1 of generating laser 4, phototriode D2 in collimator 2 receives signal, and conduct to the photelectric receiver 5 that to eliminate ambient light interference, driving signal controlling chemical ignitor 6 starting ignitions that phototriode D2 and photoelectrical coupler D4 produce, realize anti-interference ignition function, the guarantee point ignition control system normally moves.
Phototriode D2 model: 3DU33, photoelectrical coupler D4 model: T1L113 starts triode D3 model: T1P117.
The utility model can be used for the dust explosion testing arrangement, as 20L ball etc., also can be used for the datonation-inhibition function test macro of ultra-fine dry powder oil and gas environments.

Claims (2)

1. antistatic interference igniter of laser conduction, comprise chemical ignitor (6), it is characterized in that: also comprise housing (1), collimator (2), dc source (3) and by generating laser (4), the igniter circuit that photelectric receiver (5) consists of, one end face of described housing (1) is fixed with collimator (2), be provided with photelectric receiver (5) in housing (1), housing (1) is provided with ground terminal, described photelectric receiver (5) respectively with external dc source (3), chemical ignitor (6) connects, described generating laser (4) is connected with an end of collimator (2), the emission diode D1 that is connected with generating laser (4) is placed in collimator (2), the phototriode D2 that is connected with photelectric receiver (5) is placed in the other end of collimator (2), the emission diode D1 of generating laser (4) is corresponding with the phototriode D2 of photelectric receiver (5).
2. the antistatic interference igniter of a kind of laser conduction according to claim 1, it is characterized in that: described igniter circuit is connected to, the input diode cathode of photoelectrical coupler D4 meets colelctor electrode and the power supply VCC that starts triode D3 by resistance R 1, the input diode cathode of photoelectrical coupler D4 connects the colelctor electrode of phototriode D2, the emitter stage of phototriode D2 connects the emitter stage of the output triode of photoelectrical coupler D4, one end of chemical ignitor 6 and ground GND, another termination of chemical ignitor 6 starts the emitter stage of triode D3, the base stage that starts triode D3 connects the colelctor electrode of the output triode of photoelectrical coupler D4 by resistance R 2, the emission diode D1 of generating laser (4) transmits, and the phototriode D2 of photelectric receiver (5) receives signal.
CN 201220697803 2012-12-17 2012-12-17 Laser conduction electrostatic interference resistant ignition device Expired - Fee Related CN202973176U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220697803 CN202973176U (en) 2012-12-17 2012-12-17 Laser conduction electrostatic interference resistant ignition device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220697803 CN202973176U (en) 2012-12-17 2012-12-17 Laser conduction electrostatic interference resistant ignition device

Publications (1)

Publication Number Publication Date
CN202973176U true CN202973176U (en) 2013-06-05

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ID=48514244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220697803 Expired - Fee Related CN202973176U (en) 2012-12-17 2012-12-17 Laser conduction electrostatic interference resistant ignition device

Country Status (1)

Country Link
CN (1) CN202973176U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111895446A (en) * 2019-05-06 2020-11-06 中国科学院长春光学精密机械与物理研究所 Laser ignition instrument, laser ignition system and optical path quantitative detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111895446A (en) * 2019-05-06 2020-11-06 中国科学院长春光学精密机械与物理研究所 Laser ignition instrument, laser ignition system and optical path quantitative detection method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130605

Termination date: 20161217

CF01 Termination of patent right due to non-payment of annual fee