CN102931628A - Protection circuit suitable for initiating explosive device on two-stage ignition bomb - Google Patents
Protection circuit suitable for initiating explosive device on two-stage ignition bomb Download PDFInfo
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- CN102931628A CN102931628A CN2012104583109A CN201210458310A CN102931628A CN 102931628 A CN102931628 A CN 102931628A CN 2012104583109 A CN2012104583109 A CN 2012104583109A CN 201210458310 A CN201210458310 A CN 201210458310A CN 102931628 A CN102931628 A CN 102931628A
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Abstract
The invention discloses a protection circuit suitable for an initiating explosive device on a two-stage ignition bomb. The protection circuit belongs to the technical field of safety protection of the initiating explosive device on the bomb, and solves problems of delayed explosion and poor direct protectiveness of the initiating explosive device caused by a safety protection mode of the conventional initiating explosive device on the bomb. The protection circuit comprises a protection control relay, a protection state detection circuit and a ground control circuit; one end of the protection control relay is connected with a negative power supply end Q of an ignition power supply; the other end of the protection control relay is connected with a negative activating end T of the initiating explosive device; a control signal input end of the protection control relay is connected with a control signal output end of the ground control circuit, and the control signal output end of the protection control relay is connected with the control signal input end of the protection state detection circuit. The protection circuit is suitable for safety protection of the initiating explosive device on the two-stage ignition bomb.
Description
Technical field
The present invention relates to a kind of protective circuit that is applicable to priming system on the two-stage igniting bullet, belong to priming system security protection technology field on the bullet.
Background technology
The whether quick-fried success or failure that are related to test of normal point of priming system on the bullet, whether the safety precautions of priming system is effective, and can be related to too test normally carry out.Usually the mode that priming system is protected on the model bullet as shown in Figure 3.As can be seen from Figure 3, traditional priming system guard method is that the activation positive and negative terminal with priming system directly is drawn out to ground and carries out the short circuit protection, the shortcoming of this kind guard method is that on the one hand protection circuit is longer, if the short-circuit protection end is mishandling, just may there be interference voltage, may cause like this overdue quick-fried of priming system, directly protectiveness is relatively poor; Be on the other hand to satisfy the timing sequence test demand of firing action circuit.
Summary of the invention
The present invention has been for the safeguard protection mode that solves priming system on the existing bullet can cause the overdue quick-fried of priming system, and directly the relatively poor problem of protectiveness provides a kind of protective circuit that is applicable to priming system on the two-stage igniting bullet.
The protective circuit that is applicable to priming system on the two-stage igniting bullet of the present invention, it comprises protection control relay, guard mode testing circuit and ground control circuit,
The power supply negative terminal Q of one end tie point ignition source of protection control relay; the other end of protection control relay connects priming system and activates negative terminal T; the control signal input of protection control relay connects the control signal output of ground control circuit, and the control signal output of protection control relay connects the control signal input of guard mode testing circuit.
Described protective circuit is comprised of the first electromagnetic relay K1, the second electromagnetic relay K2 and diode D,
The power supply negative terminal Q of the moving contact tie point ignition source of first group of contact K1-1 of the first electromagnetic relay K1, the normally closed fixed contact of this first group of contact K1-1 connects the moving contact of first group of contact K2-1 of the second electromagnetic relay K2, and the normally closed fixed contact of this first group of contact K2-1 connects priming system and activates negative terminal T;
The power supply negative terminal Q of the moving contact tie point ignition source of second group of contact K1-2 of the first electromagnetic relay K1, the normally closed fixed contact of this second group of contact K1-2 connects the moving contact of second group of contact K2-2 of the second electromagnetic relay K2, and the normally closed fixed contact of this second group of contact K2-2 connects priming system and activates negative terminal T;
The power supply negative terminal Q of the moving contact tie point ignition source of the 3rd group of contact K2-3 of the second electromagnetic relay K2, the normally closed fixed contact of the 3rd group of contact K2-3 connects the moving contact of the 3rd group of contact K1-3 of the first electromagnetic relay K1, and the normally closed fixed contact of the 3rd group of contact K1-3 connects priming system and activates negative terminal T;
The normally closed fixed contact of the 3rd group of contact K2-3 of the normally closed fixed contact of the normally closed fixed contact of first group of contact K1-1 of the first electromagnetic relay K1, second group of contact K1-2 of the first electromagnetic relay K1 and the second electromagnetic relay K2 links together;
The moving contact of the 4th group of contact K1-4 of the first electromagnetic relay K1 is as a guard mode test lead, the 4th group of contact K1-4 often opens the 4th group of contact K2-4 moving contact that fixed contact connects the second electromagnetic relay K2, and the 4th group of contact K2-4 often opens fixed contact as another guard mode test lead;
The negative electrode of diode D connects power supply VCC; the anode of diode D is as the link of ground control terminal short-circuit protection plug A; another of short-circuit protection plug A connects termination GND; the control coil of diode D and the first electromagnetic relay K1 is in parallel, and the control coil of diode D and the second electromagnetic relay K2 is in parallel.
Advantage of the present invention is: the invention provides the high reliability under a kind of guided missile two-stage igniting operating mode, the active Initiator Safety protective circuit of high security.It is in system testing and emission process; can guarantee point ignition circuit safety finish proper testing; confirm that firing circuit is in good state; can not reduce simultaneously the reliability of firing circuit; have simple to operate, reliability and safe characteristics; the safeguard protection of priming system on it has guaranteed in system testing and system's emission process bullet makes on the bullet priming system realize that in flight course reliable point is quick-fried.
Description of drawings
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is priming system protected mode schematic diagram on the traditional bullet.
Among the figure, P represents the power supply anode of priming supply, and F represents that priming system activates anode, and H represents priming system.
Embodiment
Embodiment one: below in conjunction with Fig. 1 to Fig. 2 present embodiment is described, the described protective circuit that is applicable to priming system on the two-stage igniting bullet of present embodiment, it comprises protection control relay 1, guard mode testing circuit 2 and ground control circuit 3,
The power supply negative terminal Q of one end tie point ignition source of protection control relay 1; the other end of protection control relay 1 connects priming system and activates negative terminal T; the control signal input of protection control relay 1 connects the control signal output of ground control circuit 3, and the control signal output of protection control relay 1 connects the control signal input of guard mode testing circuit 2.
Embodiment two: below in conjunction with Fig. 1 to Fig. 2 present embodiment is described, present embodiment is for to the further specifying of execution mode one, and described protective circuit is comprised of the first electromagnetic relay K1, the second electromagnetic relay K2 and diode D,
The power supply negative terminal Q of the moving contact tie point ignition source of first group of contact K1-1 of the first electromagnetic relay K1, the normally closed fixed contact of this first group of contact K1-1 connects the moving contact of first group of contact K2-1 of the second electromagnetic relay K2, and the normally closed fixed contact of this first group of contact K2-1 connects priming system and activates negative terminal T;
The power supply negative terminal Q of the moving contact tie point ignition source of second group of contact K1-2 of the first electromagnetic relay K1, the normally closed fixed contact of this second group of contact K1-2 connects the moving contact of second group of contact K2-2 of the second electromagnetic relay K2, and the normally closed fixed contact of this second group of contact K2-2 connects priming system and activates negative terminal T;
The power supply negative terminal Q of the moving contact tie point ignition source of the 3rd group of contact K2-3 of the second electromagnetic relay K2, the normally closed fixed contact of the 3rd group of contact K2-3 connects the moving contact of the 3rd group of contact K1-3 of the first electromagnetic relay K1, and the normally closed fixed contact of the 3rd group of contact K1-3 connects priming system and activates negative terminal T;
The normally closed fixed contact of the 3rd group of contact K2-3 of the normally closed fixed contact of the normally closed fixed contact of first group of contact K1-1 of the first electromagnetic relay K1, second group of contact K1-2 of the first electromagnetic relay K1 and the second electromagnetic relay K2 links together;
The moving contact of the 4th group of contact K1-4 of the first electromagnetic relay K1 is as a guard mode test lead, the 4th group of contact K1-4 often opens the 4th group of contact K2-4 moving contact that fixed contact connects the second electromagnetic relay K2, and the 4th group of contact K2-4 often opens fixed contact as another guard mode test lead;
The negative electrode of diode D connects power supply VCC; the anode of diode D is as the link of ground control terminal short-circuit protection plug A; another of short-circuit protection plug A connects termination GND; the control coil of diode D and the first electromagnetic relay K1 is in parallel, and the control coil of diode D and the second electromagnetic relay K2 is in parallel.
Present embodiment is design priming system protective circuit between the negative terminal T of the power supply negative terminal Q of priming supply and priming system activation loop, as depicted in figs. 1 and 2.In system testing and emission process, the break-make by control priming system protective circuit has realized the safeguard protection of priming system on the bullet, can finish normal igniting timing sequence test.
The enforcement of this protective circuit divided for five steps finished, and concrete steps are:
The first step: active protection control:
The coil control end of two electromagnetic relays is guided to ground, and short-circuit protection plug A can adopt custom-designed short-circuit protection plug, by connecting or pulling out the short-circuit protection plug and realize control to relay.
When needs carried out on the bullet priming system protection, ground control terminal connected the short-circuit protection plug and puts in place, the action of protection control relay, and cut-out point ignition source power supply negative terminal is connected with priming system activation loop negative terminal, and realization is to the active protection of priming system on the bullet.
When not needing to carry out on the bullet priming system protection, ground control terminal is pulled out the short-circuit protection plug, and the protection control relay is in normally off, guarantees the unimpeded of ignition circuit, guarantees the reliability of firing circuit.
Second step: but the detection design of protective circuit guard mode:
Guard mode testing circuit 2 adopts the break-make of the pair of contact of protection control relay 1 to realize; when not needing to carry out on the bullet priming system protection; the detection loop of guard mode testing circuit 2 is in off-state; when carrying out the priming system protection; described detection loop is in conducting state, thereby can detect clearly the protection state of a control of priming system.
The 3rd step: High Reliability Design:
The 4th step: high security design:
The control end of short-circuit protection is chosen in the negative terminal of relay control coil, can prevent that accidental short circuit is to personnel and equipment injury, the fail safe that has improved circuit.
The 5th step: simple and easy maneuverability design:
Ground control terminal adopts a kind of fast short-circuit protection plug A easy to plug, and two control line short circuits of ground control circuit 3 just can be realized protection to priming system on the bullet, and is simple to operation.
Claims (2)
1. protective circuit that is applicable to priming system on the two-stage igniting bullet, it is characterized in that: it comprises protection control relay (1), guard mode testing circuit (2) and ground control circuit (3),
The power supply negative terminal Q of one end tie point ignition source of protection control relay (1); the other end of protection control relay (1) connects priming system and activates negative terminal T; the control signal input of protection control relay (1) connects the control signal output of ground control circuit (3), and the control signal output of protection control relay (1) connects the control signal input of guard mode testing circuit (2).
2. the protective circuit that is applicable to priming system on the two-stage igniting bullet according to claim 1, it is characterized in that: described protective circuit is comprised of the first electromagnetic relay K1, the second electromagnetic relay K2 and diode D,
The power supply negative terminal Q of the moving contact tie point ignition source of first group of contact K1-1 of the first electromagnetic relay K1, the normally closed fixed contact of this first group of contact K1-1 connects the moving contact of first group of contact K2-1 of the second electromagnetic relay K2, and the normally closed fixed contact of this first group of contact K2-1 connects priming system and activates negative terminal T;
The power supply negative terminal Q of the moving contact tie point ignition source of second group of contact K1-2 of the first electromagnetic relay K1, the normally closed fixed contact of this second group of contact K1-2 connects the moving contact of second group of contact K2-2 of the second electromagnetic relay K2, and the normally closed fixed contact of this second group of contact K2-2 connects priming system and activates negative terminal T;
The power supply negative terminal Q of the moving contact tie point ignition source of the 3rd group of contact K2-3 of the second electromagnetic relay K2, the normally closed fixed contact of the 3rd group of contact K2-3 connects the moving contact of the 3rd group of contact K1-3 of the first electromagnetic relay K1, and the normally closed fixed contact of the 3rd group of contact K1-3 connects priming system and activates negative terminal T;
The normally closed fixed contact of the 3rd group of contact K2-3 of the normally closed fixed contact of the normally closed fixed contact of first group of contact K1-1 of the first electromagnetic relay K1, second group of contact K1-2 of the first electromagnetic relay K1 and the second electromagnetic relay K2 links together;
The moving contact of the 4th group of contact K1-4 of the first electromagnetic relay K1 is as a guard mode test lead, the 4th group of contact K1-4 often opens the 4th group of contact K2-4 moving contact that fixed contact connects the second electromagnetic relay K2, and the 4th group of contact K2-4 often opens fixed contact as another guard mode test lead;
The negative electrode of diode D connects power supply VCC; the anode of diode D is as the link of ground control terminal short-circuit protection plug A; another of short-circuit protection plug A connects termination GND; the control coil of diode D and the first electromagnetic relay K1 is in parallel, and the control coil of diode D and the second electromagnetic relay K2 is in parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210458310.9A CN102931628B (en) | 2012-11-14 | 2012-11-14 | Protection circuit suitable for initiating explosive device on two-stage ignition bomb |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210458310.9A CN102931628B (en) | 2012-11-14 | 2012-11-14 | Protection circuit suitable for initiating explosive device on two-stage ignition bomb |
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| CN102931628A true CN102931628A (en) | 2013-02-13 |
| CN102931628B CN102931628B (en) | 2014-11-26 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217920A (en) * | 2013-03-20 | 2013-07-24 | 中国航天科技集团公司第四研究院第四十一研究所 | Initiating explosive device short-circuit protection circuit for measure-control device |
| CN104266553A (en) * | 2014-07-24 | 2015-01-07 | 娄文忠 | Electric initiating explosive device component with high safety and low energy consumption |
| CN105223840A (en) * | 2015-08-21 | 2016-01-06 | 北京电子工程总体研究所 | A kind of priming system control circuit with automatic protection functions |
| CN106468761A (en) * | 2016-09-22 | 2017-03-01 | 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 |
| CN106786392A (en) * | 2016-12-15 | 2017-05-31 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aero-engine ignition power cutting circuit |
| CN108988287A (en) * | 2018-06-27 | 2018-12-11 | 晋西工业集团有限责任公司 | It is a kind of to dispense the whole short-circuit protection torn open |
| CN109405679A (en) * | 2018-12-16 | 2019-03-01 | 山西汾西重工有限责任公司 | Self protection type's priming system ignition method |
| CN110943515A (en) * | 2019-12-17 | 2020-03-31 | 北京空间飞行器总体设计部 | On-orbit anti-power-off system and method for spacecraft storage battery |
| CN114326472A (en) * | 2021-11-26 | 2022-04-12 | 北京时代精衡航天科技有限公司 | On-missile multi-stage safety ignition system and control method |
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| WO2008112234A1 (en) * | 2007-03-12 | 2008-09-18 | Dyno Nobel Inc. | Detonator ignition protection circuit |
| CN201488669U (en) * | 2009-09-08 | 2010-05-26 | 北京维深数码科技有限公司 | Digital electronic detonator control chip |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217920B (en) * | 2013-03-20 | 2015-04-22 | 中国航天科技集团公司第四研究院第四十一研究所 | Initiating explosive device short-circuit protection circuit for measure-control device |
| CN103217920A (en) * | 2013-03-20 | 2013-07-24 | 中国航天科技集团公司第四研究院第四十一研究所 | Initiating explosive device short-circuit protection circuit for measure-control device |
| CN104266553A (en) * | 2014-07-24 | 2015-01-07 | 娄文忠 | Electric initiating explosive device component with high safety and low energy consumption |
| 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 |
| CN105223840A (en) * | 2015-08-21 | 2016-01-06 | 北京电子工程总体研究所 | A kind of priming system control circuit with automatic protection functions |
| CN106468761A (en) * | 2016-09-22 | 2017-03-01 | 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 |
| CN106786392A (en) * | 2016-12-15 | 2017-05-31 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aero-engine ignition power cutting circuit |
| CN106786392B (en) * | 2016-12-15 | 2018-08-24 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aero-engine ignition power cutting circuit |
| CN108988287A (en) * | 2018-06-27 | 2018-12-11 | 晋西工业集团有限责任公司 | It is a kind of to dispense the whole short-circuit protection torn open |
| CN108988287B (en) * | 2018-06-27 | 2019-10-01 | 晋西工业集团有限责任公司 | It is a kind of to dispense the whole short-circuit protection torn open |
| CN109405679A (en) * | 2018-12-16 | 2019-03-01 | 山西汾西重工有限责任公司 | Self protection type's priming system ignition method |
| CN110943515A (en) * | 2019-12-17 | 2020-03-31 | 北京空间飞行器总体设计部 | On-orbit anti-power-off system and method for spacecraft storage battery |
| CN114326472A (en) * | 2021-11-26 | 2022-04-12 | 北京时代精衡航天科技有限公司 | On-missile multi-stage safety ignition system and control method |
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| CN102931628B (en) | 2014-11-26 |
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