CN109556467A - A kind of miniaturization safety and firing mechanism initiation control circuit - Google Patents
A kind of miniaturization safety and firing mechanism initiation control circuit Download PDFInfo
- Publication number
- CN109556467A CN109556467A CN201811557054.2A CN201811557054A CN109556467A CN 109556467 A CN109556467 A CN 109556467A CN 201811557054 A CN201811557054 A CN 201811557054A CN 109556467 A CN109556467 A CN 109556467A
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- China
- Prior art keywords
- resistance
- circuit
- safety
- firing mechanism
- miniaturization
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C11/00—Electric fuzes
- F42C11/001—Electric circuits for fuzes characterised by the ammunition class or type
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- Electronic Switches (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Abstract
A kind of miniaturization safety and firing mechanism initiation control circuit provided by the invention, including driving circuit, isolation circuit, accumulator, switch and electric cap；The driving circuit output end is connect with isolation circuit, and input terminal receives digital signal；The isolation circuit output end is connected with switch.The present invention substitutes electromagnetic relay and solid-state relay using field-effect tube, completes circuit switch function, device volume is small, and current-carrying capability is strong, is conducive to the Miniaturization Design of safety and firing mechanism.
Description
Technical field
The present invention relates to a kind of miniaturization safety and firing mechanism initiation control circuits.
Background technique
Safety and firing mechanism is the important component in guided missile, is the final executive device that guided missile plays end effect,
It acts on the success or failure that success or failure directly determine guided missile system and Target Countermeasure.Safety and firing mechanism initiation control circuit is mainly by storing up
Energy circuit, switch, isolation circuit, driving circuit, electric cap composition, major function completion pass through the energy that accumulator stores
Control switch ignites electric cap.Currently, safety and firing mechanism detonation circuit mainly passes through control electromagnetic relay or solid relay
Device on-off come complete switch control, finally ignite electric cap.
Traditional safety and firing mechanism is in the case where meeting same current load ability, electromagnetic relay or solid-state relay device
Volume is big, and design is not able to satisfy safety and firing mechanism Miniaturization Design requirement.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of miniaturization safety and firing mechanism initiation control circuits.
The present invention is achieved by the following technical programs.
A kind of miniaturization safety and firing mechanism initiation control circuit provided by the invention, including driving circuit, isolation circuit,
Accumulator, switch；The driving circuit output end is connect with isolation circuit, and input terminal receives digital signal；The isolation electricity
Road output end is connected with switch.
The driving circuit includes resistance R2 and resistance R3, filter capacitor C1 and triode V1, resistance R2 and triode V1
Base stage connection, resistance R3 and capacitor C3 be connected in parallel between the base stage and emitter of triode V1, the collector of triode V1 with every
Cathode connection from light emitting diode in circuit B1.
The isolation circuit includes photoelectric coupled circuit, and optocoupler pin 1 is connect with resistance R1 and power supply, pin 2 and triode V1
Collector connection, pin 3 are connect with resistance R5, and pin 4 is grounded.
The accumulator includes that storage capacitor C2, storage capacitor C3, storage capacitor C4 and resistance R6, capacitor are parallel to electricity
It is in parallel with the series circuit of switch and electric cap composition between source pulse and grounding point.
The switch includes P-channel MOSFET, and the P-channel MOSFET grid connect by resistance R5 with pin 3, leaks
Pole is connect by resistance R4 with resistance R5, and source electrode is connect with electric cap.
The beneficial effects of the present invention are: electromagnetic relay and solid-state relay are substituted using field-effect tube, complete electricity
Way switch function, device volume is small, and current-carrying capability is strong, strong antijamming capability, is conducive to the Miniaturization Design of safety and firing mechanism.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is circuit diagram of the invention；
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
A kind of miniaturization safety and firing mechanism initiation control circuit, including driving circuit, isolation circuit, accumulator, open
Pass and electric cap；The driving circuit output end is connect with isolation circuit, and input terminal receives digital signal；The isolation circuit is defeated
Outlet is connected with switch.
The driving circuit includes resistance R2 and resistance R3, filter capacitor C1 and triode V1, resistance R2 and triode V1
Base stage connection, resistance R3 and capacitor C3 be connected in parallel between the base stage and emitter of triode V1, the collector of triode V1 with every
Cathode connection from light emitting diode in circuit B1.
The isolation circuit includes photoelectric coupled circuit, and optocoupler pin 1 is connect with resistance R1 and power supply, pin 2 and triode V1
Collector connection, pin 3 are connect with resistance R5, and pin 4 is grounded.
The accumulator includes that storage capacitor C2, storage capacitor C3, storage capacitor C4 and resistance R6, capacitor are parallel to electricity
It is in parallel with the series circuit of switch and electric cap composition between source pulse and grounding point.
The switch includes P-channel MOSFET, and the P-channel MOSFET grid connect by resistance R5 with pin 3, leaks
Pole is connect by resistance R4 with resistance R5, and source electrode is connect with electric cap.
Working principle: after safety and firing mechanism receives 0.1s missile power supply pulse, pulse energy is stored in storage capacitor
In C2, C3, C4；Safety and firing mechanism internal circuit generates digital time break, and signal vibrates back through the RC in overdrive circuit
Road enters triode, enters the light emitting diode cathode in isolation circuit by collector after triode amplifies, and changes diode
Intensity of illumination, photistor experience light intensity variation output induced current, and induced current is respectively after controlling resistance R4, R5
Induced voltage is generated, different because of voltage generate potential difference in metal-oxide-semiconductor grid and drain electrode, when potential difference reaches the unlatching electricity of MOS
Thunder and lightning pipe is ignited in switch ways when pressing 2V, the electric energy release being stored in storage capacitors.
Claims (5)
1. a kind of miniaturization safety and firing mechanism initiation control circuit, including driving circuit, isolation circuit, accumulator, switch,
It is characterized by: the driving circuit output end is connect with isolation circuit, input terminal receives digital signal；The isolation circuit is defeated
Outlet is connected with switch.
2. miniaturization safety and firing mechanism initiation control circuit as described in claim 1, it is characterised in that: the driving circuit
Including resistance R2 and resistance R3, filter capacitor C1 and triode V1, resistance R2 are connect with triode V1 base stage, resistance R3 and capacitor
C3 is connected in parallel between the base stage and emitter of triode V1, light emitting diode in the collector and isolation circuit B1 of triode V1
Cathode connection.
3. miniaturization safety and firing mechanism initiation control circuit as described in claim 1, it is characterised in that: the isolation circuit
Including photoelectric coupled circuit, optocoupler pin 1 is connect with resistance R1 and power supply, and pin 2 is connect with triode V1 collector, pin 3 and electricity
R5 connection is hindered, pin 4 is grounded.
4. miniaturization safety and firing mechanism initiation control circuit as described in claim 1, it is characterised in that: the accumulator
It is parallel between power pulse and grounding point including storage capacitor C2, storage capacitor C3, storage capacitor C4 and resistance R6, capacitor,
It is in parallel with the series circuit of switch and electric cap composition.
5. miniaturization safety and firing mechanism initiation control circuit as described in claim 1, it is characterised in that: the switch includes
P-channel MOSFET, the P-channel MOSFET grid are connect with pin 3 by resistance R5, and drain electrode connects by resistance R4 and resistance R5
It connects, source electrode is connect with electric cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557054.2A CN109556467A (en) | 2018-12-19 | 2018-12-19 | A kind of miniaturization safety and firing mechanism initiation control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557054.2A CN109556467A (en) | 2018-12-19 | 2018-12-19 | A kind of miniaturization safety and firing mechanism initiation control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109556467A true CN109556467A (en) | 2019-04-02 |
Family
ID=65870428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811557054.2A Pending CN109556467A (en) | 2018-12-19 | 2018-12-19 | A kind of miniaturization safety and firing mechanism initiation control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109556467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922568A (en) * | 2021-01-18 | 2021-06-08 | 中石化石油工程技术服务有限公司 | Portable perforation ignition system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408397A (en) * | 2008-11-26 | 2009-04-15 | 北京维深数码科技有限公司 | Intrinsic safety type electric detonator detonation system |
| CN203163608U (en) * | 2013-03-14 | 2013-08-28 | 江西赣州国泰特种化工有限责任公司 | Electronic initiator of detonating tube |
| CN103925856A (en) * | 2014-04-04 | 2014-07-16 | 中国工程物理研究院流体物理研究所 | Explosion-wire detonating device |
| CN205646950U (en) * | 2016-05-31 | 2016-10-12 | 张军 | Detonating ware of electric cap |
-
2018
- 2018-12-19 CN CN201811557054.2A patent/CN109556467A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408397A (en) * | 2008-11-26 | 2009-04-15 | 北京维深数码科技有限公司 | Intrinsic safety type electric detonator detonation system |
| CN203163608U (en) * | 2013-03-14 | 2013-08-28 | 江西赣州国泰特种化工有限责任公司 | Electronic initiator of detonating tube |
| CN103925856A (en) * | 2014-04-04 | 2014-07-16 | 中国工程物理研究院流体物理研究所 | Explosion-wire detonating device |
| CN205646950U (en) * | 2016-05-31 | 2016-10-12 | 张军 | Detonating ware of electric cap |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922568A (en) * | 2021-01-18 | 2021-06-08 | 中石化石油工程技术服务有限公司 | Portable perforation ignition system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190402 |