CN103217920B - Initiating explosive device short-circuit protection circuit for measure-control device - Google Patents

Initiating explosive device short-circuit protection circuit for measure-control device Download PDF

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Publication number
CN103217920B
CN103217920B CN201310089191.9A CN201310089191A CN103217920B CN 103217920 B CN103217920 B CN 103217920B CN 201310089191 A CN201310089191 A CN 201310089191A CN 103217920 B CN103217920 B CN 103217920B
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China
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short
circuit
relay
power supply
contact
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CN201310089191.9A
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Chinese (zh)
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CN103217920A (en
Inventor
王晓晖
李毅
韩连刚
韩红业
王珂
吴胜男
党琳
齐鑫
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中国航天科技集团公司第四研究院第四十一研究所
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Priority to CN201310089191.9A priority Critical patent/CN103217920B/en
Publication of CN103217920A publication Critical patent/CN103217920A/en
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Publication of CN103217920B publication Critical patent/CN103217920B/en

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Abstract

The invention discloses an initiating explosive device short-circuit protection circuit for a measure-control device and belongs to the technical field of test and control. The initiating explosive device short-circuit protection circuit comprises an electromagnetic relay K1. The electromagnetic relay K1 controls a group of contacts K1-1, a group of contacts K1-2 and a group of contacts K1-3. A first power supply, a second power supply and eternal interface signals are respectively connected with the contacts in a set mode. The initiating explosive device short-circuit protection circuit for the measure-control device has the advantages that after an initiating explosive device is filled in a rocket, the measure-control device can supply short-circuit protection to the initiating explosive device by using the initiating explosive device short-circuit protection circuit or remove the short-circuit protection for initiating explosive device resistance value testing; and before formal launch, the short-circuit protection can be removed, and the initiating explosive device is communicated with an ignition control circuit. According to the initiating explosive device short-circuit protection circuit, repeated replacement of test cables and short circuit plugs can be avoided, and therefore readiness time is greatly saved; and initiating explosive device short-circuit protection and initiating explosive device short-circuit protection removal are carried out in an electronic control mode, and compared with manual operation on the short-circuit plugs, automatic state switching is flexible and convenient.

Description

A kind of priming system short-circuit protection circuit for measuring and controlling equipment

Technical field

The invention belongs to testing and control technical field, be specifically related to a kind of priming system short-circuit protection circuit for measuring and controlling equipment.

Background technology

All kinds of priming system, after dress arrow, forms a kind of huge danger, once occur unexpected, gently then cause damage accident, heavy then arrow is ruined people and died, and consequence is hardly imaginable.Therefore, after priming system dress arrow, before launching to transition, certain mode must be adopted to make priming system be in short-circuit protection state.

According to the information announced, the method for security protection of current priming system is mainly short-circuit protection method.In the technical literature " control detecting reliability " that Yuhang Publishing House announces; have employed a kind of short circuit plug Protection Code, after priming system dress arrow, disconnect the connection of cable system and electric detonator; short circuit plug is docked with priming system, makes it before transition is launched, be in short-circuit protection state always.In the technical literature " control detecting reliability " that Yuhang Publishing House announces, additionally use a kind of relay contact Protection Code, namely after priming system dress arrow, the relay normally closed contact carrying equipment with arrow provides short-circuit protection to priming system.

Although above two kinds of methods demonstrate certain feasibility through model test, there is following problem:

(1) short circuit plug needs hand disassembly or docking to arrow, there is certain operational risk.If manual operation is slipped up, successfully bury unfavorable hidden danger or occur fortuitous event to follow-up joint-trial test or flight test.

(2) relay contact Protection Code is unfavorable for that arrow carries device miniaturization design.Consider the size of the priming system initial firing current that relay contact can bear, the general volume of selected relay is comparatively large, quantity is more.If will provide safeguard protection for multichannel priming system, then consider Redundancy Design, the volume of relevant device will be larger.

Therefore, the Initiator Safety protection scheme adapting to the development of following observation and control technology need be furtherd investigate.

Summary of the invention

The object of the invention is: overcome above shortcoming; there is provided a kind of and can safely, quickly and reliably realize priming system from safeguard protection state to the conversion of duty; and the circuit can monitored State Transferring result; use it in measuring and controlling equipment; can ensure arrow carry priming system dress arrow after security, measurements/igniting path control can be provided for priming system again.

Technical solution of the present invention is: a kind of priming system short-circuit protection circuit for measuring and controlling equipment, comprises relay K 1.Relay K 1 is electromagnetic relay, controls three groups of contacts K1-1, K1-2 and K1-3.

Power supply 1 negative input end is connected with the negative input end of relay K 1 line bag, and power supply 1 positive input terminal is connected with the positive input terminal of relay K 1 line bag; External interface signals " signal+" is connected with the common port of relay K 1 first group of contact K1-1, external interface signals " signal " is connected with the common port of relay K 1 second group of contact K1-2, and the normally closed end points of relay K 1 first group of contact K1-1 and the normally closed end points of second group of contact K1-2 link together.The normally opened contact of relay K 1 first group of contact K1-1 divides two-way, and a road is connected with power supply 2 positive input terminal, and another road is connected with gating metering circuit positive input terminal; The normally opened contact of relay K 1 second group of contact K1-2 divides two-way, and a road is connected with power supply 2 negative input end, and another road is connected with gating metering circuit negative input end.

In order to provide relay K 1 state instruction intuitively, circuit also comprises pilot lamp L1 and current-limiting resistance R.Access between power supply 1 negative input end and power supply 1 positive input terminal after 3rd group of contact K1-3 of described current-limiting resistance R, pilot lamp L1 and relay K 1 connects successively.

Its principle of work is: when carrying out fire-working article test, first between power supply 1 negative input end and power supply 1 positive input terminal, accesses effective excitation power supply, for relay K 1 provides work electricity consumption.Power supply 2 is priming system ignition stimuli, and when fire-working article test, remain and not access the input of effective power supply between power supply 2 negative input end and power supply 2 positive input terminal, be namely off state between power supply 2 positive input terminal and power supply 2 negative input end.

After relay K 1 line Bao get electricity; normally opened contact closes; normally closed contact disconnects; then form path from the 3rd group of normally opened contact K1-3, L1, R of power supply 1 positive input terminal, closed relay K 1 to power supply 1 negative input end; pilot lamp L1 is by secretly brightening; by the change of its state, operating personnel accurately can learn that the short-circuit protection of priming system is removed, can carry out priming system measurement.Gating metering circuit positive input terminal is introduced through first group of normally opened contact K1-1 of " signal+" contact and closed relay K 1 in one end of tested explosive, the other end of priming system introduces gating metering circuit negative input end through second group of normally opened contact K1-2 of " signal-" contact and closed relay K 1, carries out the measurement of priming system resistance.

After measurement terminates, the effective excitation power supply input between deenergization 1 negative input end and power supply 1 positive input terminal, then relay K 1 is lost the job electricity consumption.After the power-off of relay K 1 line bag; contact restPoses; namely normally opened contact disconnects; normally closed contact closes; by first group of normally closed contact of relay K 1 of linking together and second group of normally closed contact, priming system is carried out short-circuit protection, disconnects with gating metering circuit; pilot lamp L1 is by bright dimmed, and operating personnel can accurately learn that priming system is shorted protection by the change of its state.

When carrying out priming system IGNITION CONTROL, first between power supply 1 negative input end and power supply 1 positive input terminal, access effective excitation power supply, for relay K 1 provides work electricity consumption.In IGNITION CONTROL process, remain that gating metering circuit negative input end and gating metering circuit positive input terminal all disconnect with the input end of measurement instrument.

After relay K 1 line Bao get electricity; normally opened contact closes; normally closed contact disconnects; then form path from the 3rd group of normally opened contact K1-3, L1, R of power supply 1 positive input terminal, closed relay K 1 to power supply 1 negative input end; pilot lamp L1 is by secretly brightening; by the change of its state, operating personnel accurately can learn that the short-circuit protection of priming system is removed, can carry out priming system IGNITION CONTROL.Power supply 2 positive input terminal is introduced through first group of normally opened contact K1-1 of " signal+" contact and closed relay K 1 in one end of priming system, and the other end of priming system introduces power supply 2 negative input end through second group of normally opened contact K1-2 of " signal-" contact and closed relay K 1.After access effectively encourages input between power supply 2 positive input terminal and power supply 2 negative input end, priming system igniting can be carried out.

The present invention compared with prior art beneficial effect is:

(1) after priming system dress arrow, measuring and controlling equipment can be applied this circuit and provide short-circuit protection to priming system, or removes short-circuit protection, carries out the test of priming system resistance; Before formal transmitting, short-circuit protection can be removed, connect with ignition control circuit.This circuit can avoid the replacing repeatedly carrying out test cable and short circuit plug, greatly saves setup time.

(2) State Transferring that short-circuit protection/protection is removed controls by extrinsic motivated, and can observe the result of short-circuit protection State Transferring intuitively by pilot lamp L1.Before carrying out testing or penetrate, need not again to arrow, manual dismounting short circuit plug, docking cable, greatly reduces operational risk, ensure that the safety of tester, avoids because manual operation is slipped up the hidden danger or accident brought.

(3) priming system short-circuit protection and the whole electric control operation of releasing, the automatic conversion of state, compared to the manual operations of short circuit plug, is applied more flexible, convenient.

Accompanying drawing explanation

Fig. 1 is the principle schematic of the present invention's " a kind of priming system short-circuit protection circuit for measuring and controlling equipment ".

Embodiment

Provide the specific implementation method of the present invention's " a kind of priming system short-circuit protection circuit for measuring and controlling equipment " below.

As shown in Figure 1, for the priming system short-circuit protection circuit of measuring and controlling equipment in the present embodiment, comprise relay K 1, pilot lamp L1 and current-limiting resistance R; Relay K 1 is electromagnetic relay, controls three groups of contacts K1-1, K1-2 and K1-3.

Power supply 1 negative input end is connected with the negative input end of relay K 1 line bag, and power supply 1 positive input terminal is connected with the positive input terminal of relay K 1 line bag; Access between power supply 1 negative input end and power supply 1 positive input terminal after 3rd group of contact K1-3 of described current-limiting resistance R, pilot lamp L1 and relay K 1 connects successively.

External interface signals " signal+" is connected with the common port of relay K 1 first group of contact K1-1, external interface signals " signal-" is connected with the common port of relay K 1 second group of contact K1-2, and the normally closed end points of relay K 1 first group of contact K1-1 and the normally closed end points of second group of contact K1-2 link together.The normally opened contact of relay K 1 first group of contact K1-1 divides two-way, and a road is connected with power supply 2 positive input terminal, and another road is connected with gating metering circuit positive input terminal; The normally opened contact of relay K 1 second group of contact K1-2 divides two-way, and a road is connected with power supply 2 negative input end, and another road is connected with gating metering circuit negative input end.

After priming system dress arrow, namely by arrow ground cable, between " signal+" contact and " signal-" contact of measuring and controlling equipment external interface, access arrow carry priming system, by this circuit, by the shorted on both ends of priming system, namely can carry out short-circuit protection to priming system.

When carrying out fire-working article test, first between power supply 1 negative input end and power supply 1 positive input terminal, access effective excitation power supply, for relay K 1 provides work electricity consumption.Power supply 2 is priming system ignition stimuli, and when fire-working article test, remain and not access the input of effective power supply between power supply 2 negative input end and power supply 2 positive input terminal, be namely off state between power supply 2 positive input terminal and power supply 2 negative input end.

After relay K 1 line Bao get electricity; normally opened contact closes; normally closed contact disconnects; then form path from the 3rd group of normally opened contact K1-3, L1, R of power supply 1 positive input terminal, closed relay K 1 to power supply 1 negative input end; pilot lamp L1 is by secretly brightening; by the change of its state, operating personnel accurately can learn that the short-circuit protection of priming system is removed, can carry out priming system measurement.Gating metering circuit positive input terminal is introduced through first group of normally opened contact K1-1 of " signal+" contact and closed relay K 1 in one end of tested explosive, the other end of priming system introduces gating metering circuit negative input end through second group of normally opened contact K1-2 of " signal-" contact and closed relay K 1, carries out the measurement of priming system resistance.

After measurement terminates, the effective excitation power supply input between deenergization 1 negative input end and power supply 1 positive input terminal, then relay K 1 is lost the job electricity consumption.After the power-off of relay K 1 line bag; contact restPoses; namely normally opened contact disconnects; normally closed contact closes; by first group of normally closed contact of relay K 1 of linking together and second group of normally closed contact, priming system is carried out short-circuit protection, disconnects with gating metering circuit; pilot lamp L1 is by bright dimmed, and operating personnel can accurately learn that priming system is shorted protection by the change of its state.

When carrying out priming system IGNITION CONTROL, first between power supply 1 negative input end and power supply 1 positive input terminal, access effective excitation power supply, for relay K 1 provides work electricity consumption.In IGNITION CONTROL process, remain that gating metering circuit negative input end and gating metering circuit positive input terminal all disconnect with the input end of measurement instrument.

After relay K 1 line Bao get electricity; normally opened contact closes; normally closed contact disconnects; then form path from the 3rd group of normally opened contact K1-3, L1, R of power supply 1 positive input terminal, closed relay K 1 to power supply 1 negative input end; pilot lamp L1 is by secretly brightening; by the change of its state, operating personnel accurately can learn that the short-circuit protection of priming system is removed, can carry out priming system IGNITION CONTROL.Power supply 2 positive input terminal is introduced through first group of normally opened contact K1-1 of " signal+" contact and closed relay K 1 in one end of priming system, and the other end of priming system introduces power supply 2 negative input end through second group of normally opened contact K1-2 of " signal-" contact and closed relay K 1.After access effectively encourages input between power supply 2 positive input terminal and power supply 2 negative input end, priming system igniting can be carried out.

Claims (1)

1. for a priming system short-circuit protection circuit for measuring and controlling equipment, it is characterized in that: comprise relay K 1; Described relay K 1 is electromagnetic relay, controls three groups of contacts K1-1, K1-2 and K1-3; Also comprise pilot lamp L1 and current-limiting resistance R, access between power supply 1 negative input end and power supply 1 positive input terminal after the 3rd group of contact K1-3 of described current-limiting resistance R, pilot lamp L1 and relay K 1 connects successively;
Power supply 1 negative input end is connected with the negative input end of relay K 1 line bag, and power supply 1 positive input terminal is connected with the positive input terminal of relay K 1 line bag; External interface signals " signal+" is connected with the common port of relay K 1 first group of contact K1-1, external interface signals " signal-" is connected with the common port of relay K 1 second group of contact K1-2, and the normally closed end points of relay K 1 first group of contact K1-1 and the normally closed end points of second group of contact K1-2 link together; The normally opened contact of relay K 1 first group of contact K1-1 divides two-way, and a road is connected with power supply 2 positive input terminal, and another road is connected with gating metering circuit positive input terminal; The normally opened contact of relay K 1 second group of contact K1-2 divides two-way, and a road is connected with power supply 2 negative input end, and another road is connected with gating metering circuit negative input end.
CN201310089191.9A 2013-03-20 2013-03-20 Initiating explosive device short-circuit protection circuit for measure-control device CN103217920B (en)

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CN103217920B true CN103217920B (en) 2015-04-22

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
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CN104266553B (en) * 2014-07-24 2016-01-13 娄文忠 A kind of electric spark workpiece assembly
CN105223840B (en) * 2015-08-21 2018-04-20 北京电子工程总体研究所 A kind of priming system control circuit with automatic protection functions
CN106053985B (en) * 2016-06-02 2019-02-19 西安开元电子实业有限公司 A kind of Power over Ethernet test device
CN106468761B (en) * 2016-09-22 2019-03-26 中国运载火箭技术研究院 A kind of aircraft priming system short-circuit protection circuit and state switching method
CN107831431B (en) * 2017-10-31 2020-10-23 北京航天计量测试技术研究所 Protection switch self-checking circuit and method in initiating explosive device ignition circuit
CN109612325A (en) * 2018-12-04 2019-04-12 南京理工大学 A kind of remote multi-point spark circuit and its control method

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RU2289784C2 (en) * 2005-06-08 2006-12-20 Открытое акционерное общество "Научно-исследовательский институт точной механики" Contact blasting device for anti-shipping missiles
CN201584821U (en) * 2009-12-24 2010-09-15 北京航天自动控制研究所 Controlled circuit of negative bus of power supply of priming system
CN202276048U (en) * 2011-09-22 2012-06-13 北京机电工程研究所 Protection plug and socket for initiating explosive device
CN102565620A (en) * 2012-02-17 2012-07-11 北京航天自动控制研究所 Low-voltage test circuit and method for initiating explosive device
CN102931628A (en) * 2012-11-14 2013-02-13 北京电子工程总体研究所 Protection circuit suitable for initiating explosive device on two-stage ignition bomb

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2289784C2 (en) * 2005-06-08 2006-12-20 Открытое акционерное общество "Научно-исследовательский институт точной механики" Contact blasting device for anti-shipping missiles
CN201584821U (en) * 2009-12-24 2010-09-15 北京航天自动控制研究所 Controlled circuit of negative bus of power supply of priming system
CN202276048U (en) * 2011-09-22 2012-06-13 北京机电工程研究所 Protection plug and socket for initiating explosive device
CN102565620A (en) * 2012-02-17 2012-07-11 北京航天自动控制研究所 Low-voltage test circuit and method for initiating explosive device
CN102931628A (en) * 2012-11-14 2013-02-13 北京电子工程总体研究所 Protection circuit suitable for initiating explosive device on two-stage ignition bomb

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