Solid engine ignition circuit with feedback
A technology of solid motor and ignition circuit, which is applied in the direction of machines/engines, rocket motor devices, mechanical equipment, etc., to achieve the effect of full detection and increase the detection of ignition results
Inactive Publication Date: 2020-11-10
南京云睿航天科技有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a solid motor ignition circuit with feedback, which is used to solve the safety protection of the existing solid motor ignition head for daily storage and transportation and the electrical protection before use
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Embodiment 1
[0016] see figure 1 , a solid motor ignition circuit with feedback, the ignition circuit includes a relay U1, a first triode Q1, a first resistor R1, a capacitor C1, a first diode D1, a safety switch S1, a second triode Q2, a second resistor R2, and a second diode D3;
[0017] The relay U1 includes two channels, each channel has a common terminal G, a normally open terminal H and a normally closed terminal C; the positive pole of the power supply terminal of the coil of the relay U1 is connected to the collector of the first triode Q1, and the relay The negative pole of the power supply terminal of the U1 coil is grounded, and a first diode D1 is connected between the positive pole and the negative pole of the power supply terminal of the coil of the relay U1, and the conduction direction of the first diode D1 points to the positive pole of the power supply terminal; The common terminal G and the normally closed terminal C of one channel are connected to both ends of the safe...
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The invention discloses a solid engine ignition circuit with feedback. The solid engine ignition circuit comprises a relay, a first triode, a first resistor, a capacitor, a first diode, a safety switch, a second triode, a second resistor and a second diode, the common end and the normally-closed end of a first channel of the relay are connected with the two ends of the safety switch, the normally-closed end of the first channel of the relay is connected with a driving voltage anode of an ignition head, the normally-open end of the first channel of the relay is connected with the normally-openend of a second channel, the common end and the normally-closed end of the second channel of the relay are connected with the two ends of the ignition head, the normally-closed end of the second channel of the relay is connected with an emitter of the second triode, an emitter of the first triode is connected with the driving voltage anode of the relay, the other end of the first resistor is simultaneously connected with one end of the capacitor and the control end of a control interface, and the emitter of the second triode is further connected with a signal input pin of an external controller. The problems of safety protection of daily storage and transportation of an existing solid engine ignition head and electric protection before use are solved.
Description
technical field [0001] The invention belongs to the technical field of safe ignition circuits for solid motors, in particular to a solid motor ignition circuit with feedback. Background technique [0002] At present, due to the advantages of solid motors in transportation and storage, they are widely used in various rockets, guided bombs, missiles and various individual weapons. Since solid motors are explosive substances, the ignition head of solid motors is electrically sensitive. Most of the existing solid motors have safety protection design. For large solid motors, they are often designed with mistriggered flameout devices. For small solid motors, most of the methods used are to store the two ends of the ignition head of the solid motor. It is kept in a conduction state during transportation to realize protection against abnormal discharge. [0003] However, there are potential safety hazards in the existing design of safety protection circuits for small solid-state mo...
Claims
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IPC IPC(8): F02K9/95
CPCF02K9/95
Inventor 不公告发明人
Owner 南京云睿航天科技有限公司