CN202973176U - Laser conduction electrostatic interference resistant ignition device - Google Patents
Laser conduction electrostatic interference resistant ignition device Download PDFInfo
- 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
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- CN
- China
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- phototriode
- collimator
- laser
- photelectric receiver
- ignition device
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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
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.
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 |
Family
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)
| 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 |
-
2012
- 2012-12-17 CN CN 201220697803 patent/CN202973176U/en not_active Expired - Fee Related
Cited By (1)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |