CN203225656U - Novel ignition control circuit for initiating explosive devices - Google Patents
Novel ignition control circuit for initiating explosive devices Download PDFInfo
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- CN203225656U CN203225656U CN 201320031453 CN201320031453U CN203225656U CN 203225656 U CN203225656 U CN 203225656U CN 201320031453 CN201320031453 CN 201320031453 CN 201320031453 U CN201320031453 U CN 201320031453U CN 203225656 U CN203225656 U CN 203225656U
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- switch
- ignition
- firer
- control circuit
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Abstract
A novel ignition control circuit for initiating explosive devices comprises a 12 volt DC power source, two 28 kilo-ohm load resistors, a voltmeter, a 1 microfarad tantalum capacitor, two safety-releasing switches and an ignition switch, wherein the whole circuit includes a charging state, a discharging state, a safety state and an ignition state, and each state is implemented through a combination of a discharging switch, a charging switch, the two safety-releasing switches and the ignition switch. The novel ignition control circuit for the initiating explosive devices is advantaged by fast charging, stable circuit, high safety, large capacity, good high frequency characteristics and simple circuit and the like. The novel ignition control circuit for the initiating explosive devices is a professional ignition control circuit designed for the initiating explosive devices, can be used as a test ignition circuit of the initiating explosive devices, also can be used as an ignition control circuit of the initiating explosive devices used in a spacecraft system or a weapon system, and has a well application prospect in the initiating explosive device industry in China.
Description
Technical field
The utility model relates to a kind of novel ignition control circuit of the firer's of being applied to device, relates in particular to a kind of as the ignition control circuit of firer's device in space flight spacecraft or armament systems.
Background technology
Firer's device is that gunpowder or explosive are housed, and is subjected to produce burning or blast behind the environmental stimuli, with the gunpowder that ignites, ignition charge or do the disposable components and parts of mechanical power and the general name of device.Firer's device is made up of ignition element, powder charge and functional entity usually.Because firer's device has that volume is little, quality is light, simple in structure, reliable, energy quality than high, action time is short, low cost and other advantages, so it has obtained extensive use at spacecraft, armament systems.Typical firer's device comprises blasting bolt, firer's cutter, firer's separation nut etc.As the sensitivity of the miniaturization blast energy, firer's device is " source " of finishing predetermined function in spacecraft, the armament systems, often be again simultaneously these systems may meet accident blast, cause " root " of loss of life or personal injury.
Most important principle is exactly principle of sound accounting in firer's device design process.As the most responsive part in spacecraft, the armament systems, its accidental action may cause the effect of whole system and bring heavy losses, must satisfy the security requirement of all kinds of firer's devices during design, accidents such as the igniting that should not meet accident under any operating mode, blast.
The development of firer's device so far, main dependence got angry ignite the first order powder charge in the initiator of control circuit input current, and the energy of electric current input is to detonate and the most responsive energy that starts of lighting a fire, the first property of its function and effect sensitiveness have determined the fail safe of firer's device in spacecraft and armament systems, and then directly influence the fail safe of spacecraft and armament systems.Therefore, firer's device just seems strict especially to the requirement of ignition control circuit, and the specified direct current of input of should aspiring for stability also need possess the security insurance function.
The utility model content
In order to address the above problem, the utility model has designed a kind of firer's device ignition control circuit, and described control circuit comprises:
By the 12V DC power supply, charge switch, discharge switch, two 28k Ω load resistances, voltmeter, 1 μ F tantalum electric capacity, separate discharge cock for two, ignition switch and firer's device are formed, the two ends of described power supply are respectively by described charge switch, one described load resistance and described discharge switch, another described load resistance, described electric capacity, described ignition switch, separate discharge cock for described two, described firer's device couples mutually, described discharge switch is connected with another described load resistance, described voltmeter is connected in parallel on the two ends of described electric capacity, separates the discharge cocks series connection and the electric initiator electrical interface by described firer's device is connected with described firer's device for described two.The beneficial effects of the utility model: this novel firer's device ignition control circuit has characteristics such as charging is fast, circuit is stable, high security, capacity is big, high frequency characteristics good, circuit is simple, it is a kind of specialty ignition control circuit at the design of firer's device, both can be used as the test firing circuit of firer's device, also can be used as the ignition control circuit of firer's device in Space Vehicle System or armament systems, in China's priming system industry very good prospects for application is arranged.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and example.
Fig. 1 is firer's device ignition control circuit schematic diagram.1. power supplys among the figure; 2. load resistance; 3. load resistance; 4. discharge switch; 5. charge switch; 6. voltmeter; 7. electric capacity; 8. separate discharge cock I; 9. separate discharge cock II; 10. ignition switch; 11. the electric initiator electrical interface of firer's device; 12. firer's device schematic construction.
Embodiment
(1) novel firer's device is got angry control circuit by the 12V DC power supply, charge switch, discharge switch, two 28k Ω load resistances, voltmeter, 1 μ F tantalum electric capacity, separate discharge cock for two, ignition switch and firer's device are formed, the two ends of described power supply are respectively by described charge switch, one described load resistance and described discharge switch, another described load resistance, described electric capacity, described ignition switch, separate discharge cock for described two, described firer's device couples mutually, described discharge switch is connected with another described load resistance, described voltmeter is connected in parallel on the two ends of described electric capacity, separates the discharge cocks series connection and the electric initiator electrical interface by described firer's device is connected with described firer's device for described two.(2) power supply adopts the 12V DC power supply, and charge switch, discharge switch, ignition switch, two solution discharge cocks all adopt single-pole single-throw switch (SPST), and electric capacity adopts the tantalum electric capacity of 1 μ F size, and load resistance adopts 28k Ω size.(3) by adopting rechargeable type 12V DC power supply as the total energy of entire circuit, not only guarantee to realize the portable charged of circuit, also will be conducive to the circuit constant charge.(4) realize the charge function of circuit by the tantalum electric capacity that adopts 1 μ F size, for firer's device provides the ignition voltage of 5V, adopt tantalum electric capacity can guarantee that circuit stability is good, capacity is big, and high frequency characteristics is good.(5) adopt 28k Ω load resistance and 1 μ F tantalum electric capacity to form charging, discharge circuit, both can guarantee that the charging interval was no more than 15ms, can realize repid discharge again.(6) adopt voltmeter that charging, the discharge condition of electric capacity are carried out kinetic measurement, realize the voltage dynamic monitoring function of circuit.(7) separate discharge cock, ignition switch by disconnecting discharge switch, two, closed charge switch is realized the charge function of circuit.(8) adjusting circuit by the bilingual discharge cock of closure is safety position, realizes the insurance function of circuit, avoids the accidental ignition of firer's device.(9) separate discharge cock, ignition switch by disconnecting earlier discharge switch, two, closed charge switch charges to circuit, and confirms that by the voltmeter testing result circuit voltage is 5V; The priority turn off charge switch disconnects two and separates discharge cocks then, closed ignition switch, the ignition function of realization firer device.(10) by disconnecting ignition switch, charge switch, whether closed discharge switch is realized the discharging function of circuit, and thorough by the discharge of voltmeter testing circuit, if once there is not discharge off, then needing by closed discharge switch repeatedly circuit to be discharged, is 0V until circuit voltage.
In Fig. 1, the ignition control circuit principle at firer's device (12) design has been described mainly.Entire circuit is made up of power supply (1), load resistance (2) and (3), discharge switch (4), charge switch (5), voltmeter, electric capacity (7), solution discharge cock I (8), solution discharge cock II (9), ignition switch (10).Wherein, safety position: closed solution discharge cock I (8) conciliates discharge cock II (9).Closed charged state: disconnect ignition switch (10) and discharge switch (4) earlier, closed charge switch (5) then is by voltmeter (6) monitoring charged state, until voltmeter (6) turn off charge switch (5) when being shown as 5V.Discharge condition: turn off charge switch (5) and ignition switch (10), closed discharge switch is by voltmeter monitoring discharge condition, if once there is not discharge off, then need discharge to circuit by closed discharge switch (4) repeatedly, be shown as 0V until voltage (6) table.The ignition state: the first step disconnects ignition switch (10) earlier, and closed solution discharge cock I (8) conciliates discharge cock II (9); Second step was that to adjust circuit be that charged state is 5V until circuit voltage, turn off charge switch (5) and discharge switch (4) then, and reaffirm that voltmeter (6) is shown as 5V; The 3rd step will be got angry control circuit and be carried out circuit with firer's device initiator electrical interface (11) and is connected, and it is normal to check the affirmation circuit; The 4th goes on foot priority disconnects solution discharge cock I (8) reconciliation discharge cock II (9), and closed ignition switch (10) is namely finished the energising ignition of firer's device (12) then, treats after ignition finishes circuit to be adjusted into discharge condition.
Claims (1)
1. novel firer's device is got angry control circuit, it is characterized in that: by the 12V DC power supply, charge switch, discharge switch, two 28k Ω load resistances, voltmeter, 1 μ F tantalum electric capacity, separate discharge cock for two, ignition switch and firer's device are formed, the two ends of described power supply are respectively by described charge switch, one described load resistance and described discharge switch, another described load resistance, described electric capacity, described ignition switch, separate discharge cock for described two, described firer's device couples mutually, described discharge switch is connected with another described load resistance, described voltmeter is connected in parallel on the two ends of described electric capacity, separates the discharge cocks series connection and the electric initiator electrical interface by described firer's device is connected with described firer's device for described two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031453 CN203225656U (en) | 2013-01-22 | 2013-01-22 | Novel ignition control circuit for initiating explosive devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031453 CN203225656U (en) | 2013-01-22 | 2013-01-22 | Novel ignition control circuit for initiating explosive devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225656U true CN203225656U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320031453 Expired - Fee Related CN203225656U (en) | 2013-01-22 | 2013-01-22 | Novel ignition control circuit for initiating explosive devices |
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| CN (1) | CN203225656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140073A (en) * | 2014-08-13 | 2014-11-12 | 北京理工大学 | Multi-functional integrated ignition chip and control method thereof |
| CN104677197A (en) * | 2013-11-30 | 2015-06-03 | 中国科学院沈阳自动化研究所 | Explosion starter safety control device and method used for underwater robot |
| CN106094659A (en) * | 2016-08-19 | 2016-11-09 | 北京航天长征飞行器研究所 | A kind of there is two-stage freestanding environment power identification function draw control device |
-
2013
- 2013-01-22 CN CN 201320031453 patent/CN203225656U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677197A (en) * | 2013-11-30 | 2015-06-03 | 中国科学院沈阳自动化研究所 | Explosion starter safety control device and method used for underwater robot |
| CN104677197B (en) * | 2013-11-30 | 2016-06-22 | 中国科学院沈阳自动化研究所 | A kind of exploder safety control for underwater robot and method |
| CN104140073A (en) * | 2014-08-13 | 2014-11-12 | 北京理工大学 | Multi-functional integrated ignition chip and control method thereof |
| CN106094659A (en) * | 2016-08-19 | 2016-11-09 | 北京航天长征飞行器研究所 | A kind of there is two-stage freestanding environment power identification function draw control device |
| CN106094659B (en) * | 2016-08-19 | 2018-08-21 | 北京航天长征飞行器研究所 | It is a kind of to draw control device with two-stage freestanding environment power identification function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20150122 |
|
| EXPY | Termination of patent right or utility model |