CN103051323B - Conditioning conversion circuit for airborne time sequence and initiating explosive device test - Google Patents
Conditioning conversion circuit for airborne time sequence and initiating explosive device test Download PDFInfo
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- CN103051323B CN103051323B CN201210339770.XA CN201210339770A CN103051323B CN 103051323 B CN103051323 B CN 103051323B CN 201210339770 A CN201210339770 A CN 201210339770A CN 103051323 B CN103051323 B CN 103051323B
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Abstract
The invention discloses a conditioning conversion circuit for airborne time sequence and initiating explosive device test and belongs to the field of missile test control. The circuit comprises a multipath twistor switch SK1, a current-limiting resistor R1, a current-limiting resistor R2, a photoelectric coupler U1, a relay K1 and a relay K2, wherein the twistor switch SK1 is a gating device, during the time sequence test, an SK1-1 gear is conducted, and input time sequence signals are subjected to conditioning conversion; and during the initiating explosive device resistance test, an SK1-2 gear is conducted, and input initiating explosive device signals are converted. Compared with the prior art, the conditioning conversion circuit has the beneficial effects that the development cost is saved, the preparation workload before the test is reduced, and the maneuverability of the system is improved; the design thoughts of centralized planning and time sharing application are adopted, the development resource is more centralized, the real-time state monitoring and management is convenient, and the reliable time-sharing completion of conditioning conversion of different signals can be ensured; and the problem of an interface circuit between an airborne electric system and test control equipment is solved, and the effectiveness and the reliability of collected signals are ensured.
Description
Technical field
The invention belongs to test of missile control field, be specifically related to a kind of conditioning change-over circuit of sequential and fire-working article test on bullet.
Background technology
Sequential control system is the important component part of missile control system, its function is the conversion or time control signal that time series as requested provides that the detonator signal of all kinds of priming system and other circuit need, and is separated with guided missile each several part with the igniting, the shutdown that realize engine.The inefficacy of time-controlled system or priming system gently then affects orbit injection accuracy, the failure of whole missile launch test directly can be caused under serious conditions, even jeopardize the safety of launching site and test personnel, so before flight test, must measure bullet is lighted a fire clock signal and priming system path resistance, to reach the object improving test coverage.
In the technical literature " test of missile launching control system " that Yuhang Publishing House announces, measuring and controlling equipment have employed a kind of threshold circuit time-ordered measurement method.By opening period at the gate of measuring circuit, clock signal fb or other frequency multiplication nfb is counted, and coordinate with peripheral circuit, complete the time-ordered measurement between unlike signal.In the technical literature " control detecting reliability " that Yuhang Publishing House announces, measuring and controlling equipment adopts special tester, and cable is measured priming system resistance after tested, judges that whether it is normal.
Although above two kinds of methods demonstrate certain feasibility through model test, there is following problem:
(1) in ground observing and controlling equipment, leave timing sequence test, fire-working article test two external interfaces, separately independence, during test, need each application cable carries out the signal transmission between ground bounce.Too much external interface is unfavorable for measuring and controlling equipment Miniaturization Design and structural strength.
(2) safety of tester is considered, when testing in technical area, bullet general distance ground observing and controlling equipment about 20 ~ 30 meters.Because timing sequence test and fire-working article test respectively apply a cable, the expansion preparation amount before test is increased, cannot ensure that armament systems have good mobility and go out kinetic force fast.
Therefore, the conditioning change-over circuit adapting to the development of following armament systems need be furtherd investigate, timesharing sequential and priming system signal on the bullet of the same external interface introducing of measuring and controlling equipment are carried out conditioning conversion, accesses corresponding functional test circuit, complete timing sequence test and fire-working article test.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome above shortcoming, design a kind of can safely, reliably completing to carry out nursing one's health the circuit changed to sequential on bullet and priming system signal, both can timesharing complete clock signal and priming system signal conditioning conversion, can guarantee again test time fail safe.
Technical solution of the present invention is: a kind of conditioning change-over circuit of sequential and fire-working article test on bullet, comprises multichannel and turns round sub-switch S K1, current-limiting resistance R1, current-limiting resistance R2, photoelectrical coupler U1, relay K 1 and relay K 2.Turning round sub-switch S K1 is gating device, and its two groups different gear SK1-1, SK1-2 at any time, only have one group of connection.
The normally opened contact of V1 through turning round sub-switch S K1-1 shelves is connected with the prime input of photoelectrical coupler U1 with current-limiting resistance R1; The rear class input of the normally opened contact with photoelectrical coupler U1 of V2 through turning round sub-switch S K1-1 shelves is connected; The normally opened contact of V1GND through turning round sub-switch S K1-1 shelves is connected with external interface signals " timing sequence test common port "; V2GND is through turning round the negative input port of the normally opened contact access analog-to-digital conversion Acquisition Circuit of sub-switch S K1-1 shelves; The prime of photoelectrical coupler U1 exports the normally-closed contact K1-1 through relay K 1, is connected with external interface signals " signal+"; The rear class of photoelectrical coupler U1 exports after current-limiting resistance R2, be divided into three tunnels, the positive input port of analog-to-digital conversion Acquisition Circuit is introduced through the normally-closed contact K2-1 of relay K 2 in one tunnel, the positive input port of Measurement channel gating circuit is introduced through the normally opened contact K2-2 of relay K 2 in one tunnel, another road, through the normally opened contact K1-2 of relay K 1, is connected with external interface signals " signal+"; External interface signals " signal-" directly introduces the negative input port of Measurement channel gating circuit.
The just power supply port of the normally opened contact with relay K 1 of V2 through turning round sub-switch S K1-2 shelves is connected, and the negative power supply port of relay K 1 is directly connected with V2GND.Relay K 1 is connected in parallel with the power supply port of relay K 2.Path control is carried out in the work electricity consumption of SK1-2 shelves to relay K 1, K2 that sub-switch is turned round in application.When SK1-1 shelves are connected, the supply access of relay K 1, K2 disconnects; When SK1-2 shelves are connected, the supply access of relay K 1, K2 is connected.
Its operation principle is: when carrying out timing sequence test, will turn round sub-switch and beat to SK1-1 shelves, then SK1-1 shelves are connected, and SK1-2 shelves disconnect.The normally opened contacts access test circuits that V1, V2, V2GND signal has closed through three groups of SK1-1 shelves, V1GND connects through one group of normally opened contact closed of SK1-1 shelves and external interface signals " timing sequence test common port "; The work electric pathway of relay K 1, K2 disconnects.When passing through ground bounce test cable, from the bullet inputting passive switch amount character between external interface " timing sequence test common port " and " signal+" contact during clock signal, photoelectrical coupler U1 conducting, V2 introduces the positive input terminal of analog-to-digital conversion Acquisition Circuit through the normally-closed contact K2-1 of current-limiting resistance R2 and relay K 2 as the sequential positive signal after conversion, V2GND introduces the negative input end of analog-to-digital conversion Acquisition Circuit as the sequential negative signal after conversion, the time-ordered measurement after changing.
When carrying out the test of priming system resistance, will turn round sub-switch and beat to SK1-2 shelves, then SK1-2 shelves are connected, SK1-1 shelves disconnect, and the work electric pathway of relay K 1, K2 is connected, and the normally opened contact of two relays closes, normally-closed contact disconnects, and photoelectrical coupler U1 does not have input stimulus.
When passing through ground bounce test cable, to access on bullet after priming system between " signal+" contact and " signal-" contact of external interface, the positive input terminal of Measurement channel gating circuit is introduced in one end of tested explosive through " signal+" contact and the normally opened contact K1-2 of closed the relay K 1 and normally opened contact K2-2 of closed relay K 2, the other end of priming system directly introduces the negative input end of Measurement channel gating circuit through " signal-" contact, the gating carrying out priming system resistance is measured.
The present invention compared with prior art beneficial effect is:
(1) apply this circuit timesharing to clock signal and priming system signal carry out conditioning conversion after, introduce late-class circuit and complete corresponding function test, only apply a cable between ground bounce and carry out signal transmission, save development cost, decrease the front preparation amount of test, improve the mobility of system.
(2) in circuit design, adopt the design philosophy of centralized planning, timesharing application, the conditioning change-over circuit of clock signal and priming system signal is united two into one, make to grind examination resource more concentrated, be convenient to carry out real-time status monitoring and management.
(3) apply multichannel and turn round the conditioning conversion that sub-switch and high-performance relay complete measured signal, guarantee that reliably timesharing completes the test of difference in functionality.
(4) apply photoelectric device well to isolate ground bounce signal, solve the interface circuit problem between missile board electrical system and TT&C system testing equipment, ensure that the validity and reliability of gathered test signal.
Accompanying drawing explanation
Fig. 1 is the conditioning change-over circuit principle schematic of the sequential on bullet that proposes of the present invention and fire-working article test.
Embodiment
As shown in Figure 1, the conditioning change-over circuit of sequential and fire-working article test on the bullet in the present embodiment, comprises multichannel and turns round sub-switch S K1, current-limiting resistance R1, current-limiting resistance R2, photoelectrical coupler U1, relay K 1 and relay K 2.Turning round sub-switch S K1 is gating device, and its two groups different gear SK1-1, SK1-2 at any time, only have one group of connection.In the present embodiment, turn round the A4TP15W04 that Tyco Electronics selected by sub-switch, photoelectrical coupler U1 selects the TLP-521 of Toshiba, and R1 resistance gets 0.36K, and R2 resistance gets 0.1K, and relay K 1, K2 select Omron G5 series.
The normally opened contact of V1 through turning round sub-switch S K1-1 shelves is connected with the prime input of photoelectrical coupler U1 with current-limiting resistance R1; The rear class input of the normally opened contact with photoelectrical coupler U1 of V2 through turning round sub-switch S K1-1 shelves is connected; In the present embodiment, V1, V2 respectively value are 5V, 28V, and the normally opened contact of V1GND through turning round sub-switch S K1-1 shelves is connected with external interface signals " timing sequence test common port "; V2GND is through turning round the negative input port of the normally opened contact access analog-to-digital conversion Acquisition Circuit of sub-switch S K1-1 shelves; The prime of photoelectrical coupler U1 exports the normally-closed contact K1-1 through relay K 1, is connected with external interface signals " signal+"; The rear class of photoelectrical coupler U1 exports after current-limiting resistance R2, be divided into three tunnels, the positive input port of analog-to-digital conversion Acquisition Circuit is introduced through the normally-closed contact K2-1 of relay K 2 in one tunnel, the positive input port of Measurement channel gating circuit is introduced through the normally opened contact K2-2 of relay K 2 in one tunnel, another road, through the normally opened contact K1-2 of relay K 1, is connected with external interface signals " signal+"; External interface signals " signal-" directly introduces the negative input port of Measurement channel gating circuit.
The just power supply port of the normally opened contact with relay K 1 of V2 through turning round sub-switch S K1-2 shelves is connected, and the negative power supply port of relay K 1 is directly connected with V2GND.Relay K 1 is connected in parallel with the power supply port of relay K 2.Path control is carried out in the work electricity consumption of SK1-2 shelves to relay K 1, K2 that sub-switch is turned round in application.When SK1-1 shelves are connected, the supply access of relay K 1, K2 disconnects; When SK1-2 shelves are connected, the supply access of relay K 1, K2 is connected.
Its operation principle is: when carrying out timing sequence test, will turn round sub-switch and beat to SK1-1 shelves, then SK1-1 shelves are connected, and SK1-2 shelves disconnect.The normally opened contacts access test circuits that V1, V2, V2GND signal has closed through three groups of SK1-1 shelves, V1GND connects through one group of normally opened contact closed of SK1-1 shelves and external interface signals " timing sequence test common port "; The work electric pathway of relay K 1, K2 disconnects.When passing through ground bounce test cable, from the bullet inputting passive switch amount character between external interface " timing sequence test common port " and " signal+" contact during clock signal, photoelectrical coupler U1 conducting, V2 introduces the positive input terminal of analog-to-digital conversion Acquisition Circuit through the normally-closed contact K2-1 of current-limiting resistance R2 and relay K 2 as the sequential positive signal after conversion, V2GND introduces the negative input end of analog-to-digital conversion Acquisition Circuit as the sequential negative signal after conversion, the time-ordered measurement after changing.
When carrying out the test of priming system resistance, will turn round sub-switch and beat to SK1-2 shelves, then SK1-2 shelves are connected, SK1-1 shelves disconnect, and the work electric pathway of relay K 1, K2 is connected, and the normally opened contact of two relays closes, normally-closed contact disconnects, and photoelectrical coupler U1 does not have input stimulus.
When passing through ground bounce test cable, to access on bullet after priming system between " signal+" contact and " signal-" contact of external interface, the positive input terminal of Measurement channel gating circuit is introduced in one end of tested explosive through " signal+" contact and the normally opened contact K1-2 of closed the relay K 1 and normally opened contact K2-2 of closed relay K 2, the other end of priming system directly introduces the negative input end of Measurement channel gating circuit through " signal-" contact, the gating carrying out priming system resistance is measured.
Claims (1)
1. the conditioning change-over circuit of sequential and fire-working article test on bullet, is characterized in that: comprise multichannel and turn round sub-switch S K1, current-limiting resistance R1, current-limiting resistance R2, photoelectrical coupler U1, relay K 1 and relay K 2; Turning round sub-switch S K1 is gating device, and its two groups different gear SK1-1, SK1-2 at any time, only have one group of connection;
The normally opened contact of V1 through turning round sub-switch S K1-1 shelves is connected with the prime input of photoelectrical coupler U1 with current-limiting resistance R1; The rear class input of the normally opened contact with photoelectrical coupler U1 of V2 through turning round sub-switch S K1-1 shelves is connected; The normally opened contact of V1GND through turning round sub-switch S K1-1 shelves connects " the timing sequence test common port " of external interface signals; V2GND is through turning round the negative input port of the normally opened contact access analog-to-digital conversion Acquisition Circuit of sub-switch S K1-1 shelves; The prime of photoelectrical coupler U1 exports the normally-closed contact K1-1 through relay K 1, connects " signal+" of external interface signals; The rear class of photoelectrical coupler U1 exports after current-limiting resistance R2, be divided into three tunnels, the positive input port of analog-to-digital conversion Acquisition Circuit is introduced through the normally-closed contact K2-1 of relay K 2 in one tunnel, the positive input port of Measurement channel gating circuit is introduced through the normally opened contact K2-2 of relay K 2 in one tunnel, another road, through the normally opened contact K1-2 of relay K 1, connects " signal+" of external interface signals; External interface signals " signal-" directly introduces the negative input port of Measurement channel gating circuit;
The just power supply port of the normally opened contact with relay K 1 of V2 through turning round sub-switch S K1-2 shelves is connected, and the negative power supply port of relay K 1 is directly connected with V2GND; Relay K 1 is connected in parallel with the power supply port of relay K 2.
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| CN201210339770.XA CN103051323B (en) | 2012-09-14 | 2012-09-14 | Conditioning conversion circuit for airborne time sequence and initiating explosive device test |
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| CN201210339770.XA CN103051323B (en) | 2012-09-14 | 2012-09-14 | Conditioning conversion circuit for airborne time sequence and initiating explosive device test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109765059A (en) * | 2018-12-10 | 2019-05-17 | 北京强度环境研究所 | A kind of firing box front auxiliary strut disengagement time-ordered measurement method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198850B (en) * | 2014-08-27 | 2017-05-10 | 中国运载火箭技术研究院 | Initiating explosive device parallel type bypass testing method in ignition experiment |
| 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 |
| CN106886210B (en) * | 2017-01-04 | 2019-03-08 | 北京航天自动控制研究所 | The priming system timing sequence testing device taken pictures is triggered based on sequence |
| CN107219842A (en) * | 2017-05-31 | 2017-09-29 | 北京电子工程总体研究所 | The activation control simulated testing system of priming system on a kind of aircraft |
| CN112361897B (en) * | 2020-11-03 | 2023-01-31 | 西安航天动力技术研究所 | Flight time sequence generation system and method for missile system |
| CN112525019B (en) * | 2020-11-18 | 2022-09-02 | 湖北航天技术研究院总体设计所 | Control circuit and method for aircraft initiating explosive device |
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| US4097865A (en) * | 1971-06-01 | 1978-06-27 | The United States Of America As Represented By The Secretary Of The Navy | Electronic countermeasure sequence timer |
| CN101464118A (en) * | 2008-09-24 | 2009-06-24 | 北京铱钵隆芯科技有限责任公司 | Ignition control apparatus and its control process |
| CN101892910A (en) * | 2010-07-22 | 2010-11-24 | 北京航天自动控制研究所 | Cold-heat compatible aircraft ignition circuit |
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Patent Citations (3)
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| US4097865A (en) * | 1971-06-01 | 1978-06-27 | The United States Of America As Represented By The Secretary Of The Navy | Electronic countermeasure sequence timer |
| CN101464118A (en) * | 2008-09-24 | 2009-06-24 | 北京铱钵隆芯科技有限责任公司 | Ignition control apparatus and its control process |
| CN101892910A (en) * | 2010-07-22 | 2010-11-24 | 北京航天自动控制研究所 | Cold-heat compatible aircraft ignition circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109765059A (en) * | 2018-12-10 | 2019-05-17 | 北京强度环境研究所 | A kind of firing box front auxiliary strut disengagement time-ordered measurement method |
| CN109765059B (en) * | 2018-12-10 | 2021-06-11 | 北京强度环境研究所 | Method for measuring disengagement time sequence of front auxiliary support of launching box |
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| CN103051323A (en) | 2013-04-17 |
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