CN203857882U - Fault simulation device for safe detonation device - Google Patents
Fault simulation device for safe detonation device Download PDFInfo
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- CN203857882U CN203857882U CN201420246083.8U CN201420246083U CN203857882U CN 203857882 U CN203857882 U CN 203857882U CN 201420246083 U CN201420246083 U CN 201420246083U CN 203857882 U CN203857882 U CN 203857882U
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- initiating explosive
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Abstract
The utility model relates to a fault simulation device for a safe detonation device, which aims at solving the problems that the production efficiency and the test reliability of a unit tester are affected due to facts that a routine test piece which is used for checking operation inspection and fault detection functions of the unit tester in a development process is damaged after being frequently used and is high in production and repairing costs and a fault can be only simulated by a worker. The fault simulation device can comprehensively simulate a fault type of a safe device by matching a programmable logic controller with an external circuit and a touch screen and can simulate states of a working switch and a safety switch of the safe device by the arrangement of an interface which is the same as that of the routine test piece and an equivalent load. The fault simulation device is used for checking the operation inspection and fault detection functions of the unit tester and supplies a basis to guaranteeing of the reliability of the safe detonation device.
Description
Technical field
The utility model relates to a kind of emulation technology, is specifically related to a kind of safety initiating explosive device failure simulation device, is applied to the fault detect of safety initiating explosive device unit testing instrument and the function calibrating of action translation function.
Background technology
Safety initiating explosive device is the critical component of solid propellant rocket, its reliability concerns the transmitting success or failure of engine, whether its performance meets engine general requirement, need through strict test, comprise electric performance test, action checking and fault detect, therefore require relevant testing equipment to possess corresponding function.Safety initiating explosive device unit testing instrument (being called for short unit testing instrument) is exactly the instrumentation for carrying out safety initiating explosive device electric performance test, action checking and fault detect.After unit testing instrument has been developed, the functional and reliability of its electric performance test detects and is completed by the metrological service that possesses measurement verification qualification, and its motion test function to safety initiating explosive device and the examination of fault detection capability generally adopt routine test specimen to complete.The manufacturing cost of example test specimen is higher; And in use easily damage; In the time that fault detection capability is tested, routine test specimen cannot provide specific malfunction in addition, needs artificial manufacturing fault, affects production efficiency and the testing reliability of unit testing instrument.
Therefore for addressing these problems, need to develop a kind of can simulation the various malfunctions of safety initiating explosive device, and with routine test specimen have the cost of equivalent load relatively low, facilitate fault test and the higher device of reliability, examine motion test and the fault detection capability of unit testing instrument, and then improve production efficiency and the testing reliability of unit testing instrument.
Utility model content
In view of existing problem in above-mentioned prior art, the purpose of this utility model is to have developed one to possess with safety initiating explosive device example test specimen and have same-interface and equivalent load, and under normal circumstances actuation time identical with routine test specimen with action feedback, and the safety initiating explosive device failure simulation device of the various faults of the energy comprehensive simulated unit testing instrument safety initiating explosive device that can detect.
Main design of the present utility model: the Interface status while carrying out fault detect and motion test according to solid propellant rocket safety initiating explosive device internal circuit configuration and its engagement unit tester, utilize touch-screen as human-computer interaction interface, programmable logic controller (PLC) (PLC) as control core, in conjunction with peripheral control circuit, carry out the internal circuit of simulating Safety priming device, and there is identical input/output interface with safety initiating explosive device.
Concrete technical scheme of the present utility model is: a kind of safety initiating explosive device failure simulation device, comprise chassis body, front panel, rear board, touch-screen, programmable logic controller (PLC), electric machine, direct-injection type infrared photoelectric sensor, direct-current switch power supply, DC solid-state relay group, power switch, Connection Block, wherein touch-screen embeds and is arranged on front panel; Connection Block and power switch embed and are arranged on rear board respectively at left and right; Programmable logic controller (PLC), DC solid-state relay group, direct-current switch power supply, electric machine are individually fixed in cabinet inside base plate; Two direct-injection type infrared photoelectric sensors are mounted on the top of electric machine.
Described electric machine comprises support, motor base, direct current generator, safety position spacer pin, duty spacer pin, connecting rod, rotating disc, mounting disc; Direct current generator is fixed in motor base, and mounting disc, connecting rod are fixed on direct current generator successively; In mounting disc, fix safety position spacer pin and duty spacer pin; Rotating disc is fixed on the boss of connecting rod top and fixes with bolt; On rotating disc, aim at the loophole that pin place, connecting rod below opens φ 5mm～φ 7mm.
Described two direct-injection type infrared photoelectric sensors are mounted with respectively photoelectric sensor bearing, and the position that two photoelectric sensor bearings are aimed at respectively safety position spacer pin and duty spacer pin is fixed on the upper edge of motor base.
Between programmable logic controller (PLC) and touch-screen, adopt RS232 serial port communicating protocol to communicate; Programmable logic controller (PLC) adopts AC220V power supply, and I/O signal adopts DC+24V power supply; Touch-screen adopts DC+24V power supply.
Put in place the signal detection of state of simulating Safety priming device discharge cock and operating switch is completed by direct-injection type infrared photoelectric sensor, direct-injection type infrared photoelectric sensor input signal power supply DC+5V, output signal power supply DC+24V.
Direct current generator rotates to work and puts in place after state, corresponding direct-injection type infrared photoelectric sensor sends signal, the input port of input programmable logic controller (PLC), and carries out logical operation by programmable logic controller (PLC) inside, then is transferred to touch-screen and shows the direct current generator state that puts in place.
On touch-screen, select and arrange working method, touch-screen imports selection mode into programmable logic controller (PLC), carries out logic judgement and computing and exports to the DC solid-state relay group of peripheral circuit, then output to Connection Block in programmable logic controller (PLC).
The mode of operation of safety initiating explosive device failure simulation device is divided into two kinds of fault simulation mode of operation and normal operation modes, fault simulation mode of operation is divided into two kinds of mechanism's status switch fault mode and insulation fault patterns, and organization switch fault mode is divided into four kinds: all not in place, " 0-1 " can not forward safety position to " 0-0 " state, " 1-0 " can not forward duty to; " 1-1 " state is not unique; Insulation fault pattern is divided into three kinds: motor is to shell insulation fault, and operating switch is to shell insulation fault, and discharge cock is to shell insulation fault.In addition fault simulation mode of operation and normal operation mode interlocking; Four kinds of mechanism's status switch fault mode interlockings; Three kinds of insulation fault pattern interlockings.
Carrying out all logical operations in programmable logic controller (PLC) inside, is man-machine interactive program in touch-screen.
The utility model can comprehensive simulated solid propellant rocket safety initiating explosive device malfunction and action conversion, and there is equivalent load with routine test specimen, motor action that can simulating Safety priming device, facilitate the examination of unit testing instrument to safety initiating explosive device fault detect and motion test function, solved the problem that example specimen test cost is higher and malfunction is difficult to assurance.The utility model also can be promoted the use of in the examination of other safety device unit testing instrument.
Brief description of the drawings
Fig. 1 is safety initiating explosive device failure simulation device front view described in the utility model.
Fig. 2 is safety initiating explosive device failure simulation device side view described in the utility model.
Fig. 3 is safety initiating explosive device failure simulation device axonometric drawing described in the utility model.
Fig. 4 is safety initiating explosive device failure simulation device rearview described in the utility model.
Fig. 5 is the direct current generator front view of safety initiating explosive device failure simulation device.
Fig. 6 is the axonometric drawing of the direct current generator of safety initiating explosive device failure simulation device.
Wherein, chassis body 1, front panel 2, rear board 3, touch-screen 4, programmable logic controller (PLC) 5, electric machine 6, direct-injection type infrared photoelectric sensor 7 and 8, direct-current switch power supply 9, DC solid-state relay group 10, power switch 11, Connection Block 12, support 13, motor base 14, direct current generator 15, safety position spacer pin 16, duty spacer pin 17, connecting rod 18, rotating disc 19, mounting disc 20, photoelectric sensor bearing 21 and 22.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
It should be noted that: structure that the accompanying drawing of this description is drawn, shape, layout etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, be not intended to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the layouts such as the modification of any structure, power switch, direct-current switch power supply, do not affecting under effect that the utility model can produce and the object that can reach, all should fall in the scope that disclosed technology contents of the present utility model contains.
This safety device failure simulation device is using PLC as control core, utilize the contact of the soft logic relay simulating Safety device of PLC inside, peripheral control relay is selected DC solid-state relay, and select the interface identical with safety device, use with the direct current generator of safety device same model as load, putting in place of motor detects use photodiode cooperation hardware power-off realization, utilizes touch-screen as human-computer interaction interface.Be specially: this failure simulation device comprises chassis body 1, front panel 2, rear board 3, touch-screen 4, programmable logic controller (PLC) 5, electric machine 6, direct-injection type infrared photoelectric sensor 7 and 8, direct-current switch power supply 9, DC solid-state relay group 10, power switch 11, Connection Block 12.Electric machine (6) comprises again support 13, motor base 14, direct current generator 15, safety position spacer pin 16, duty spacer pin 17, connecting rod 18, rotating disc 19, mounting disc 20.Touch-screen 4 embeds and is arranged on front panel 2; Connection Block 12 and power switch 11 embed and are arranged on rear board 3 respectively at left and right; Programmable logic controller (PLC) 5, DC solid-state relay group 10, direct-current switch power supply 9, electric machine 6 are individually fixed in cabinet inside base plate; Direct current generator 15 is fixed in motor base 14, and mounting disc 20, connecting rod 18 are fixed on motor successively; In mounting disc 20, fix two spacer pins 16,17; Rotating disc 19 is fixed on the boss of connecting rod 18 tops and fixes with bolt; Two direct-injection type infrared photoelectric sensors 7,8 are fixed on photoelectric sensor bearing 21, and the position that photoelectric sensor bearing 21,22 is aimed at respectively two spacer pins is fixed on the upper edge of motor base 14; On rotating disc 19, aim at the loophole that connecting rod 18 pin places, below open φ 5mm～φ 7mm.Carrying out all logical operations in programmable logic controller (PLC) 5 inside, is man-machine interactive program in touch-screen 4.
This safety initiating explosive device failure simulation device is using programmable logic controller (PLC) (PLC) as control core.Utilize the switch contact of the soft logic relay simulating Safety device of PLC inside, the operating switch of simulating Safety priming device and the folding of discharge cock, insurance, duty are represented by binary code " 0 ", " 1 " respectively, " 1 " represents closed, " 0 " representative disconnects, utilize the logic instruction of PLC inside to realize the various malfunctions of the safety initiating explosive device that unit testing instrument can detect, the break-make of DC solid-state relay is controlled in output I/O order, finally exports to the corresponding interface of unit testing instrument.PLC has architecture and logical block is flexible, integrated level is high and the scope of application is wide, reliability is high, the feature of programmability, mean free error time is up to hundreds of thousands hour, the control system that uses the control system of PLC formation and the relay of same size to form is compared, electrical wiring can be reduced to hundreds if not thousands of/and mono-, therefore can make fault rate greatly reduce, and there is hardware fault self detecting function, while breaking down, can send in time warning message, and can make the circuit except PLC and equipment in system also obtain fault self-diagnosis protection, and then system reliability is improved thereupon.
Operating personnel realize and the man-machine interaction of failure simulation device described in the utility model by touch-screen, the function that the display unit of touch-screen can point out failure simulation device described in the utility model to simulate, operating personnel select according to prompting, after selecting to determine, PLC can be set to dbjective state according to selecting to send control command to direct current generator and DC solid-state relay, and now unit testing instrument can be tested this failure simulation device.Specific as follows:
(1) if select " fault mode ", enter fault mode interface, fault mode interface is divided into again " mechanism's status switch fault " and " insulation fault ".Select " mechanism's status switch fault " to enter " mechanism's status switch fault " interface, the inside has four kinds can select failure mode, be respectively " 0-0: state is uncertain ", " 0-1: can not forward safety position to ", " 1-0: can not forward duty to ", " 1-1 state is not unique ", four kinds of fault mode interlockings can only be selected a kind of fault at every turn.Select " insulation fault " to enter " insulation fault " interface, there are three kinds of failure modes the inside, be respectively " motor is to shell insulation fault ", " discharge cock is to shell insulation fault ", " operating switch is to shell insulation fault ", three kinds of fault mode interlockings can only be selected a kind of fault at every turn.
(2) if select " mode of operation ", enter " mode of operation " interface, this interface display the state that puts in place of work drive motor, if motor in safety position in interface " insurance " lamp bright, if motor in " work " state in interface " work " lamp bright.Unit testing instrument is given after the action command of the conversion that does well, motor action in this analogue means, and the status lamp in interface carries out corresponding switching.
" fault mode interface " and " mode of operation interface " can switch mutually with " main interface ", and " fault mode " and " mode of operation " is non-interference.
DC solid-state relay is a kind of noncontacting switch device being all made up of solid-state electronic element, it utilizes the switching characteristic of electronic component, can reach the object of contactless no-spark ground make-and-break contact, be a kind of four end active devices, wherein two terminals are input control section, and two ends are output-controlled end in addition, existing amplification driving effect, have again buffer action, compared with electromagnetic relay have contactless, the life-span is long, speed is fast, disturbs to external world little feature.
Utilize with the direct current generator of device entity same model the load identical with safety initiating explosive device is provided.Putting in place of direct current generator detects the realization of use direct-injection type infrared photoelectric sensor cooperation hardware, and the sensor of selecting is single beam infrared photoelectric sensor, is made up of GaAs infrared transmitting tube and the highly sensitive photistor of high transmit power.
Safety failure analogue means described in the utility model is successfully applied to the Function detection of solid propellant rocket safety initiating explosive device unit testing instrument, for the test function of verification unit tester provides foundation, thereby provide foundation for the reliability of further guaranteeing safety initiating explosive device.Can be used as a part for unit testing instrument self-inspection, being conducive to distinguish is the fault of safety initiating explosive device or the fault of tester itself, is convenient to the quick location of fault, is conducive to carrying out of other related work simultaneously.The use of failure simulation device will greatly facilitate the fault test of unit testing instrument, the quality that improve unit testing instrument product test reliability and batch production efficiency, reduce experimentation cost, minimizing production test personnel workload ensures unit tester delivered product.
The above, not impose any restrictions the utility model, and every any simple modification of doing according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a safety initiating explosive device failure simulation device, it is characterized in that: comprise chassis body (1), front panel (2), rear board (3), touch-screen (4), programmable logic controller (PLC) (5), electric machine (6), direct-injection type infrared photoelectric sensor (7) (8), direct-current switch power supply (9), DC solid-state relay group (10), power switch (11), Connection Block (12), touch-screen (4) embeds and is arranged on front panel (2); Connection Block (12) and power switch (11) embed and are arranged on rear board (3) respectively at left and right; Programmable logic controller (PLC) (5), DC solid-state relay group (10), direct-current switch power supply (9), electric machine (6) are individually fixed in cabinet inside base plate; Two direct-injection type infrared photoelectric sensors (7) (8) are mounted on the top of electric machine (6).
2. safety initiating explosive device failure simulation device according to claim 1, is characterized in that: described electric machine (6) comprises support (13), motor base (14), direct current generator (15), safety position spacer pin (16), duty spacer pin (17), connecting rod (18), rotating disc (19), mounting disc (20); Direct current generator (15) is fixed in motor base (14), and mounting disc (20), connecting rod (18) are fixed on direct current generator (15) successively; The upper fixing safety position spacer pin (16) of mounting disc (20) and duty spacer pin (17); Rotating disc (19) is fixed on the boss of connecting rod (18) top and fixes with bolt; Pin place, rotating disc (19) upper aligning connecting rod (18) below opens the loophole of φ 5mm～φ 7mm.
3. safety initiating explosive device failure simulation device according to claim 2, it is characterized in that: described two direct-injection type infrared photoelectric sensors (7) (8) are mounted with respectively photoelectric sensor bearing (21) (22), the position that two photoelectric sensor bearings (21) (22) are aimed at respectively safety position spacer pin (16) and duty spacer pin (17) is fixed on the upper edge of motor base (14).
4. safety initiating explosive device failure simulation device according to claim 1, is characterized in that: between programmable logic controller (PLC) (5) and touch-screen (4), adopt RS232 serial port communicating protocol to communicate; Programmable logic controller (PLC) adopts AC220V power supply, and I/O signal adopts DC+24V power supply; Touch-screen (4) adopts DC+24V power supply.
5. safety initiating explosive device failure simulation device according to claim 1, it is characterized in that: put in place the signal detection of state of simulating Safety priming device discharge cock and operating switch is completed by direct-injection type infrared photoelectric sensor (7) (8), direct-injection type infrared photoelectric sensor (7) (8) input signal power supply DC+5V, output signal power supply DC+24V.
6. safety initiating explosive device failure simulation device according to claim 1, it is characterized in that: direct current generator (15) work of rotating to puts in place after state, corresponding direct-injection type infrared photoelectric sensor (7) sends signal, the input port of input programmable logic controller (PLC) (5), and carry out logical operation by programmable logic controller (PLC) (5) inside, then be transferred to touch-screen (4) and show direct current generator (15) state that puts in place.
7. safety initiating explosive device failure simulation device according to claim 1, it is characterized in that: on touch-screen (4), select and arrange working method, touch-screen (4) imports selection mode into programmable logic controller (PLC) (5), in programmable logic controller (PLC) (5), carry out logic judgement and computing and export to the DC solid-state relay group (10) of peripheral circuit, then output to Connection Block (12).
8. safety initiating explosive device failure simulation device according to claim 1, it is characterized in that: the mode of operation of described safety initiating explosive device failure simulation device is divided into two kinds of fault simulation mode of operation and normal operation modes, fault simulation mode of operation is divided into two kinds of mechanism's status switch fault mode and insulation fault patterns, and organization switch fault mode is divided into four kinds: " 0-0 " state all not in place, " 0-1 " can not forward that safety position, " 1-0 " can not forward duty to, " 1-1 " state is not unique to; Insulation fault pattern is divided into three kinds: motor to shell insulation fault, operating switch to shell insulation fault, discharge cock to shell insulation fault.
9. safety initiating explosive device failure simulation device according to claim 7, is characterized in that: fault simulation mode of operation and normal operation mode interlocking; Four kinds of mechanism's status switch fault mode interlockings; Three kinds of insulation fault pattern interlockings.
10. safety initiating explosive device failure simulation device according to claim 1, is characterized in that: carrying out all logical operations in programmable logic controller (PLC) (5) inside, is man-machine interactive program in touch-screen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246083.8U CN203857882U (en) | 2014-05-08 | 2014-05-08 | Fault simulation device for safe detonation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246083.8U CN203857882U (en) | 2014-05-08 | 2014-05-08 | Fault simulation device for safe detonation device |
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| Publication Number | Publication Date |
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| CN203857882U true CN203857882U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420246083.8U Withdrawn - After Issue CN203857882U (en) | 2014-05-08 | 2014-05-08 | Fault simulation device for safe detonation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091677B (en) * | 2014-05-08 | 2017-04-19 | 中国航天科工集团第六研究院四十一所 | Fault simulation device of safety initiation device |
-
2014
- 2014-05-08 CN CN201420246083.8U patent/CN203857882U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091677B (en) * | 2014-05-08 | 2017-04-19 | 中国航天科工集团第六研究院四十一所 | Fault simulation device of safety initiation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20170419 |