CN105223840B - A kind of priming system control circuit with automatic protection functions - Google Patents
A kind of priming system control circuit with automatic protection functions Download PDFInfo
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- CN105223840B CN105223840B CN201510518417.1A CN201510518417A CN105223840B CN 105223840 B CN105223840 B CN 105223840B CN 201510518417 A CN201510518417 A CN 201510518417A CN 105223840 B CN105223840 B CN 105223840B
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- relay
- priming system
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- contact
- control circuit
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Interface Circuits In Exchanges (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of priming system control circuit with automatic protection functions, including the control circuit that priming system interface, current signal detect interface and be arranged between priming system interface and current signal detection interface.Technical solution of the present invention is compared with prior art：In the case where not increasing circuit complexity, using relay contact is normally opened, switching of normal-closed end, the Combined design of priming system control circuit and automatic protection is realized, so as to solve fire-working article test, the automatic seamless switching problem of control and protection.
Description
Technical field
The present invention relates to priming system control circuit, has automatic protection more particularly to one kind, path testing is controlled with igniting
The aircraft priming system control circuit of protection is automatically terminated during system.
Background technology
During the emission control of aircraft, priming system guiding detonating controlling is completed by predetermined work schedule, is avoided at the same time
Priming system is misquoted quick-fried, is the Basic Design demand of Aerospace vehicle test and emission system priming system control circuit, and aircraft is military
Device security of system, one of the substance of reliability design, to ensure weapon system and personnel safety have it is vital
Effect.
For current common priming system control circuit, according to the attached in addition to the basic control functions such as ignition of its offer
Add function to divide, be roughly divided into both of which：1) priming system path testing is supported；2) priming system automatic short-circuit protection is supported.
The shortcomings that above method is：The control circuit of first type, due to the priming system before needing support aircraft to penetrate
Path testing, and the automatic short-circuit protection design to the positive and negative end of priming system is abandoned, cause priming system to misquote quick-fried risk and increase
Add；If if increasing priming system short-circuit protection manual control link, adding the risk of manual operation error, while also reduce
The degree of automation of vehicle launch system.And the control circuit of second of type, due to needing to support that priming system is automatically short
Road is protected, and is abandoned and penetrated preceding priming system path testing design, is lost the testability to aircraft priming system before penetrating, is reduced
The reliability of vehicle launch.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind to have Aerospace vehicle test and emission system after the power is turned on, automatic right
Controlled aircraft priming system carries out short-circuit protection, and short with being automatically terminated during guiding detonating controlling carrying out priming system path testing
The aircraft priming system control circuit of road protection, solves priming system automatic short-circuit protection and path during vehicle launch control
The problem of test, guiding detonating controlling are taken into account.
In order to solve the above technical problems, the present invention uses following technical proposals：
A kind of priming system control circuit with automatic protection functions, including priming system interface, current signal detection interface
And the control circuit being arranged between priming system interface and current signal detection interface.
Preferably, the control circuit includes priming system path detection control unit and path detection power supply；
Preferably, the priming system path detection control unit includes current-limiting resistance R1, resistor R3, resistor R2 and inspection
Observing and controlling relay K1；
The current-limiting resistance R1 is arranged on the anode of detection power supply, and first group of contact of its other end and relay K1 is normally opened
End connection；First group of contact normal-closed end of relay K1 is connected with resistor R2 one end, the other end and resistor of resistor R2
The anode as the detection of priming system path is drawn after the parallel connection of R3 one end；The 3rd group of contact movable end of relay K1 is drawn as fire
The negative terminal of work product path detection；The 3rd group of contact normally open end of relay K1 is connected with priming system path detection power supply negative terminal.
Preferably, the control circuit includes further priming system activation control unit and activation power supply.
Preferably, the priming system activation control unit includes relay K2；
Drawn after first group of contact movable end of first group of contact movable end and relay K1 of the relay K2 is in parallel with
The anode connection of priming system interface；First group of contact normally open end of relay K2 is connected with activation power positive end；Relay K2's
First group of contact normal-closed end is connected with second group of contact normal-closed end of relay K1；Second group of contact normally open end of relay K2 with
Activate power supply negative terminal connection；Second group of contact movable end of relay K1, second group of contact movable end of relay K2 and relay
Draw after the 3rd group of contact normal-closed end parallel connection of device K1 and be connected with controlled priming system negative terminal.
Beneficial effects of the present invention are as follows：
Technical solution of the present invention is compared with prior art：In the case where not increasing circuit complexity, relay is utilized
Device contact is normally opened, the switching of normal-closed end, realizes the Combined design of priming system control circuit and automatic protection.Solves priming system survey
Examination, the automatic seamless switching problem of control and protection.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings；
Fig. 1 shows the schematic diagram of priming system control circuit of the present invention.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in Figure 1, the invention discloses a kind of priming system control circuit with automatic protection functions, including priming system
Interface, current signal detection interface and the control circuit being arranged between priming system interface and current signal detection interface.Wherein,
The control circuit includes priming system path detection control unit and path detection power supply；The priming system path detection control is single
Member includes current-limiting resistance R1, resistor R3, resistor R2 and detection control relay K1.The control circuit includes further fire
Work product activate control unit and activation power supply；The priming system activation control unit includes relay K2.As shown in Figure 1, K1_1,
K1_2, K1_3 are respectively the 1st, 2,3 group of single-pole double throw control contact of relay K1, and K2_1, K2_2 are respectively relay K2 the 1st, 2
Group single-pole double throw control contact.
The connection relation of circuit of the present invention includes：Priming system path detects power positive end and connects with current-limiting resistor R1 one end
Connect, the resistor R1 other ends and relay K1 first group of contact normally open end are connected.First group of contact movable end of relay K1 with after
Draw after first group of contact movable end parallel connection of electric appliance K2 and be connected with controlled priming system anode；First group of contact normal-closed end of relay K1
It is connected with resistor R2 one end.Drawn after the resistor R2 other ends are in parallel with resistor R3 one end as the detection of priming system path
Anode.Relay K2 first group of contact normally open ends are connected with activation power positive end；First group of contact normal-closed end of relay K2 with after
Second group of contact normal-closed end connection of electric appliance K1.Second group of second group of contact movable end of relay K1, relay K2 contact movable end
It is connected with being drawn after the 3rd group of contact normal-closed end parallel connection of relay K1 with controlled priming system negative terminal.Second group of contact of relay K1 is normal
Beginning is connected with the resistor R3 other ends；Relay K2 second group of contact normally open ends are connected with activation power supply negative terminal；Relay K1
3rd group of contact movable end draws the negative terminal as the detection of priming system path；Relay K1 the 3rd group of contact normally open end and priming system
Path detection power supply negative terminal connection.
The course of work of circuit of the present invention is：1) under normal conditions, this control circuit by first group of contact of relay K2, after
Second group of contact of electric appliance K1 carries out short-circuit protection to controlled priming system positive and negative terminal automatically.2) when carrying out the detection of priming system path, after
Electric appliance K1 control lines bag powers up, after first, second and third group of contact movable end of relay K1 is disconnected with corresponding normal-closed end respectively, and
Corresponding normally open end is connected；Short-circuit protection function is cancelled, while by relay K1 contact change-overs, by path detection power supply, current limliting
Resistor, controlled priming system and photoelectrical coupler form the low current measure loop of cascaded structure；At this time, two pole of photoelectrical coupler
Pipe end conducting shows that controlled priming system path is normal；The detection of priming system path terminates, the power-off of relay K1 control lines bag, this control
Circuit returns to normal.3) when carrying out priming system activation control, relay K2 control lines bag power-up, first and second group of relay K2 is touched
After point movable end is disconnected with corresponding normal-closed end respectively, connected with corresponding normally open end；Short-circuit protection function cancel, while by after
Electric appliance K2 contact change-overs, by activation power supply just, first group of relay K2, controlled priming system, second group of contact of relay K2 and swash
Power supply living bears composition activation pathway, carries out priming system activation；After priming system activates, the power-off of relay K2 control lines bag, this
Control circuit returns to normal.
In conclusion technical solution of the present invention utilizes relay contact in the case where not increasing circuit complexity
Normally opened, normal-closed end switching, realizes the Combined design of priming system control circuit and automatic protection.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical solution is extended out still in protection scope of the present invention.
Claims (3)
1. a kind of priming system control circuit with automatic protection functions, it is characterised in that including priming system interface, current signal
Detection interface and the control circuit being arranged between priming system interface and current signal detection interface, wherein, the control circuit
Including priming system path detection control unit and path detection power supply, the priming system path detection control unit includes current limliting electricity
Hinder R1, resistor R3, resistor R2 and detection control relay K1；The current signal detection interface includes photoelectrical coupler,
The both ends of the photoelectrical coupler are connected with relay K1 respectively；The control circuit further include priming system activation control unit and
Power supply is activated, the priming system activation control unit includes relay K2.
2. priming system control circuit according to claim 1, it is characterised in that the current-limiting resistance R1 is arranged on detection electricity
The anode in source, its other end are connected with first group of contact normally open end of relay K1；First group of contact normal-closed end of relay K1
It is connected with resistor R2 one end, draws after the other end of resistor R2 is in parallel with resistor R3 one end and detected as priming system path
Anode；The 3rd group of contact movable end of relay K1 draws the negative terminal as the detection of priming system path；The 3rd group of relay K1
Contact normally open end is connected with priming system path detection power supply negative terminal.
3. priming system control circuit according to claim 2, it is characterised in that live first group of contact of the relay K2
Draw after the first group of contact movable end parallel connection in moved end and relay K1 and be connected with the anode of priming system interface；The first of relay K2
Group contact normally open end is connected with activation power positive end；First group of contact normal-closed end of relay K2 is touched with second group of relay K1
Point normal-closed end connection；Second group of contact normally open end of relay K2 is connected with activation power supply negative terminal；Second group of relay K1 touches
Extraction and quilt after point movable end, second group of contact movable end of relay K2 are in parallel with the 3rd group of contact normal-closed end of relay K1
Control the connection of priming system negative terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518417.1A CN105223840B (en) | 2015-08-21 | 2015-08-21 | A kind of priming system control circuit with automatic protection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518417.1A CN105223840B (en) | 2015-08-21 | 2015-08-21 | A kind of priming system control circuit with automatic protection functions |
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| Publication Number | Publication Date |
|---|---|
| CN105223840A CN105223840A (en) | 2016-01-06 |
| CN105223840B true CN105223840B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510518417.1A Active CN105223840B (en) | 2015-08-21 | 2015-08-21 | A kind of priming system control circuit with automatic protection functions |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249088B (en) * | 2016-09-18 | 2018-12-21 | 中国运载火箭技术研究院 | A kind of equivalent test device of spacecraft priming system route electronics |
| 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 |
| CN110632393B (en) * | 2019-08-20 | 2021-07-16 | 西安航天动力技术研究所 | Initiating explosive device measuring circuit and measuring method |
| CN114837851B (en) * | 2022-04-01 | 2023-06-20 | 湖北三江航天红峰控制有限公司 | On-arrow safety ignition control circuit and method based on relay |
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| 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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| 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 |
| EP1580515B1 (en) * | 2004-03-24 | 2013-11-13 | Westland Helicopters Limited | Contact arrangement |
| CN103644786A (en) * | 2013-12-03 | 2014-03-19 | 桂林航天电子有限公司 | High-voltage ignition relay and operating method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1580515B1 (en) * | 2004-03-24 | 2013-11-13 | Westland Helicopters Limited | Contact arrangement |
| CN102544537A (en) * | 2012-02-27 | 2012-07-04 | 北方特种能源集团有限公司西安庆华公司 | Thermal battery with electronic component |
| CN103051323A (en) * | 2012-09-14 | 2013-04-17 | 中国航天科技集团公司第四研究院第四十一研究所 | Conditioning conversion circuit for airborne time sequence and initiating explosive device test |
| 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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| CN105223840A (en) | 2016-01-06 |
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