CN108872741A - Method for calibrating and predicting ignition temperature rise of exposed bridge wire of pulse electric explosion device - Google Patents
Method for calibrating and predicting ignition temperature rise of exposed bridge wire of pulse electric explosion device Download PDFInfo
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- CN108872741A CN108872741A CN201810441080.2A CN201810441080A CN108872741A CN 108872741 A CN108872741 A CN 108872741A CN 201810441080 A CN201810441080 A CN 201810441080A CN 108872741 A CN108872741 A CN 108872741A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004880 explosion Methods 0.000 title abstract 8
- 238000012360 testing method Methods 0.000 claims abstract description 41
- 230000005284 excitation Effects 0.000 claims abstract description 28
- 239000002360 explosive Substances 0.000 claims description 79
- 230000000694 effects Effects 0.000 claims description 23
- 238000009529 body temperature measurement Methods 0.000 claims description 22
- 239000013307 optical fiber Substances 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 9
- 238000005474 detonation Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 3
- 230000000191 radiation effect Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000005670 electromagnetic radiation Effects 0.000 description 6
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- 210000001367 artery Anatomy 0.000 description 2
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- 239000003721 gunpowder Substances 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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Abstract
The invention discloses a method for calibrating and predicting the ignition temperature rise of an exposed bridge wire of an electric explosion device under pulse, which comprises the following steps: step one, testing the environmental temperature T050% critical ignition excitation of the lower electric explosion device; establishing a corresponding relation between 50% critical firing excitation of the electric explosion device and the firing temperature rise of the bare bridge wire under the electromagnetic pulse action of the parameters; step three, fitting to obtain a calibration and prediction model of the naked bridge wire ignition temperature rise along with the pulse width and the repetition period change under the action of the electromagnetic pulse; fourthly, effectively predicting the exposed bridge wire ignition temperature rise of the electric explosion device under the action of electromagnetic pulses with different parameters; the method for calibrating and predicting the exposed bridge wire ignition temperature rise of the electric explosion device under the pulse can realize effective prediction of the exposed bridge wire ignition temperature rise of the electric explosion device under the action of different electromagnetic pulses, and improve the accuracy and engineering practicability of judging the ignition state of the electric explosion device by taking the exposed bridge wire temperature rise as a basis.
Description
Technical field
The present invention relates to a kind of exposed igniter wire ignition temperature rise calibration of electro explosive device under pulse and prediction techniques, belong to military set
Standby technical field.
Background technique
Electro explosive device is usually used in ignite gunpowder, ignition charge, is also used as small drive device, quickly to open valve
Separated between door, arming and rocket etc., in military engineerings such as conventional weapon ammunition, guided missile, nuclear weapon and aerospace systems
In be widely applied；It is that detonation with the most sensitive of igniting originates the energy, and the starting property of function and susceptible determine
Its status and effect in weapon system, safety and reliability directly affect the safety of weapon system and reliable
Property.Under the conditions of High-Power Microwave, pulse signal width is μ s magnitude in many cases, and the higher light of measurement accuracy at present
The fastest response time of fine temp measuring system is still ms magnitude, and temperature-measuring results are the average value in the response time, can not real-time monitoring
The temperature change of igniter wire；In addition, the performance of electro explosive device has biggish dispersibility and belongs to disposable effect product, Wu Fatong
Overtesting accurately measures its flashing temperature；The ignition temperature rise that electromagnetic pulse acts on lower electro explosive device is related to environment temperature, without
There is also difference for exposed igniter wire temperature rise when being under fire with electro explosive device under environment temperature；The present invention passes through the test school of finite number of time
Influence of the quasi- above-mentioned factor to temperature-measuring results, it is ensured that the validity of prediction result；And electromagnetic pulse is established by limited test
The calibrating patterns for acting on the lower exposed igniter wire ignition temperature rise of electro explosive device realize that electromagnetic pulse acts on the exposed igniter wire hair of lower electro explosive device
The effective calibration and prediction of fiery temperature rise.
Summary of the invention
To solve the above problems, the invention proposes a kind of exposed igniter wire ignition temperature rise calibration of electro explosive device under pulse and in advance
Survey method may be implemented different electromagnetic pulses and act on being effectively predicted for the lower exposed igniter wire ignition temperature rise of electro explosive device, improves with naked
Dew igniter wire temperature rise is according to the accuracy and engineering practicability for judging electro explosive device ignition state, to carry out weaponry high field electricity
Magnetic radiation Safety Margin provides reliable criterion.
The exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique, include the following steps under pulse of the invention：
Step 1 tests environment temperature T under electromagnetic pulse effect0The critical ignition excitation of the 50% of lower electro explosive device；
Step 2 tests environment temperature T under electromagnetic pulse identical with step 1 effect0Lower 50% critical ignition excitation corresponds to
Exposed igniter wire temperature measured value, establish the parameter electromagnetic pulse effect under the critical ignition of electro explosive device 50% excitation with it is naked
Reveal the corresponding relationship of igniter wire ignition temperature rise；
Step 3 changes pulse width and the repetition period of electromagnetic pulse signal, and electric detonation fills under the conditions of obtaining different pulse parameters
Set the measured value of exposed igniter wire temperature when ignition；According to the discrete data of igniter wire ignition temperature rise exposed under the conditions of different pulse parameters
Point, fitting obtain the calibration and prediction that exposed igniter wire ignition temperature rise changes with pulse width and repetition period under electromagnetic pulse effect
Model or curve；
Step 4, exposed igniter wire ignition temperature rise calibration and prediction model or song under the electromagnetic pulse effect obtained according to step 3
Line realizes that different parameters electromagnetic pulse acts on being effectively predicted for the lower exposed igniter wire ignition temperature rise of electro explosive device.
Further, the concrete operation step of the step 1 is as follows：Using Up-and-down test（Referring to GJB/Z 377A-
94）, determine that 50% critical ignition of the electro explosive device under electromagnetic pulse effect motivates by statistical theory；Burn thermal bridge wire type electricity
The critical ignition of quick-fried device motivates general Normal Distribution, the critical ignition excitation of the 50% of various sample at this time and its critical hair
The assembly average of fire excitation is equal, to improve test accuracy, chooses no less than 20 sample sizes and is tested；When test,
In environment temperature T0Under, electromagnetic pulse injection is carried out to the electro explosive device of selection or radiation effect is tested, is determined according to lifting and lowering method
The critical ignition excitation of the 50% of electro explosive device, the electro explosive device includes lead, and the igniter wire being set in lead, and package
Medicament around igniter wire.
Still further, the ignition excitation refers to electromagnetic pulse injection or radiation, ignition excitation parameters include electromagnetic pulse
Intensity, rise time, pulse width and repetition period of signal etc..
Further, the concrete operation step of the step 2 is as follows：The medicament of package igniter wire in electro explosive device is removed, it will
Temperature transducer is placed close to igniter wire, in the case where other experiment conditions are constant, in certain ambient temperatureT 0Under open
Electromagnetic pulse effect test is opened up, the critical ignition of electro explosive device 50% is obtained and motivates corresponding exposed igniter wire temperature measured value, corresponding
Exposed igniter wire ignition temperature rise be。
Still further, its test environment temperature of the step 2 is identical as its test environment temperature of step 1.
Further, the concrete operation step of the step 3 is as follows：It is coupled since whether medicament is under fire with electro explosive device
Electromagnetic energy it is closely related, therefore, electromagnetic impulse radiation test in, the critical ignition excitation value of electro explosive device and pulse width
It is related to the repetition period；Temperature transducer is placed close to igniter wire, and temperature transducer is connect with optical fiber temperature-measurement test configurations,
Igniter wire temperature measurement signal is transferred on optical fiber temperature measurement system host by optical fiber, fiber count is installed on optical fiber temperature measurement system host
According to acquisition module, optical fiber temperature measurement system host is electrically connected to control test macro；Change electromagnetic pulse signal pulse width and
Repetition period repeats step 1 and step 2, obtains different pulse parameter conditions（The pulse width and repetition of electromagnetic pulse signal
Period）The critical ignition of lower electro explosive device 50% motivates corresponding exposed igniter wire temperature rise；Under the conditions of different pulse parameters
Exposed igniter wire ignition temperature riseDiscrete data point, using the methods of least square method fitting obtain electromagnetic pulse effect under
Exposed igniter wire ignition temperature riseThe calibration and prediction model that change with pulse width and repetition period or curve.
Further, the concrete operation step of the step 4 is as follows：Under the electromagnetic pulse effect obtained according to step 3
Exposed igniter wire ignition temperature riseCalibration and prediction model or curve, give EMP parameters locating for tested electro explosive device
Feature（The pulse width of electromagnetic pulse signal and repetition period）, it is corresponding that electro explosive device under the pulse parameter acts on is calculated
Exposed igniter wire flashing temperature, to realize that different parameters electromagnetic pulse acts on having for the lower exposed igniter wire ignition temperature rise of electro explosive device
Effect calibration and prediction, provide foundation for electro explosive device Safety Margin under subsequent strong electromagnetic pulse radiation condition.
The present invention compared with prior art, under pulse of the invention electro explosive device exposed igniter wire ignition temperature rise calibration with it is pre-
Survey method assesses electro explosive device using the method test of optical fiber temperature-measurement from bright thermal bridge wire type electro explosive device ignition mechanism
Security of electromagnetic radiation is not only fitted closely with its mechanism of being under fire, and can accurately reflect its firing characteristic, and igniter wire temperature rise is surveyed
Amount and radiation frequency can overcome frequency of electromagnetic radiation to can solve GHz or more to the influence of test result almost without relationship
The electro explosive device electromagnetic security test problem of frequency is effectively expanded and is applicable in upper frequency limit；For current optical fiber temperature-measurement mode
Deficiency proposes the test method of the corresponding exposed igniter wire temperature rise of the critical ignition of electro explosive device 50% excitation, by establishing exposed igniter wire
It is inadequate to solve the temperature transducer response time with the calibration and prediction model of pulse width and repetition period variation for ignition temperature rise
Fast problem may be implemented different electromagnetic pulses and act on being effectively predicted for the lower exposed igniter wire ignition temperature rise of electro explosive device, improve with
Exposed igniter wire temperature rise is according to the accuracy and engineering practicability for judging electro explosive device ignition state, to carry out weaponry high field
Electromagnetic radiation Safety Margin provides reliable criterion.
Detailed description of the invention
Fig. 1 is electro explosive device structural schematic diagram of the invention.
Fig. 2 is the exposed igniter wire temperature measurement setting structure schematic diagram of electro explosive device of the invention.
Fig. 3 is optical fiber temperature-measurement test configurations structural schematic diagram of the invention.
Each component is labeled as in attached drawing：1- lead, 2- igniter wire, 3- medicament, 4- temperature transducer, 5- optical fiber temperature measurement system master
Machine, 6- fiber data acquisition module, 7- control test macro.
Specific embodiment
The exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique, include the following steps under pulse of the invention：
Step 1 tests environment temperature T under electromagnetic pulse effect0The critical ignition excitation of the 50% of lower electro explosive device；
Step 2 tests environment temperature T under electromagnetic pulse identical with step 1 effect0Lower 50% critical ignition excitation corresponds to
Exposed igniter wire temperature measured value, establish the parameter electromagnetic pulse effect under the critical ignition of electro explosive device 50% excitation with it is naked
Reveal the corresponding relationship of igniter wire ignition temperature rise；
Step 3 changes pulse width and the repetition period of electromagnetic pulse signal, and electric detonation fills under the conditions of obtaining different pulse parameters
Set the measured value of exposed igniter wire temperature when ignition；According to the discrete data of igniter wire ignition temperature rise exposed under the conditions of different pulse parameters
Point, fitting obtain the calibration and prediction that exposed igniter wire ignition temperature rise changes with pulse width and repetition period under electromagnetic pulse effect
Model or curve；
Step 4, exposed igniter wire ignition temperature rise calibration and prediction model or song under the electromagnetic pulse effect obtained according to step 3
Line realizes that different parameters electromagnetic pulse acts on being effectively predicted for the lower exposed igniter wire ignition temperature rise of electro explosive device.
The concrete operation step of the step 1 is as follows：Using Up-and-down test（Referring to GJB/Z 377A-94）, by system
Meter theory determines 50% critical ignition excitation of the electro explosive device under electromagnetic pulse effect；Bright thermal bridge wire type electro explosive device faces
Boundary, which is under fire, motivates general Normal Distribution, the system of the 50% of various sample critical ignition excitation and its critical ignition excitation at this time
It is equal to count average value, to improve test accuracy, chooses no less than 20 sample sizes and is tested；When test, in environment temperature
T0Under, electromagnetic pulse injection is carried out to the electro explosive device of selection or radiation effect is tested, determines electro explosive device according to lifting and lowering method
50% critical ignition excitation, as shown in Figure 1, the electro explosive device includes lead 1, and the igniter wire 2 being set in lead 1, and packet
The medicament 3 being wrapped in around igniter wire 2.
The concrete operation step of the step 2 is as follows：To avoid influence of the environment temperature to test result, step is kept
Two is identical as the environment temperature of step 1, as shown in Fig. 2, the medicament 3 of igniter wire 2 is wrapped up in removal electro explosive device, by temperature transducers
Device 4 is placed close to igniter wire 2, in the case where other experiment conditions are constant, in certain ambient temperatureT 0Lower development electromagnetism
Pulse effects test obtains the critical ignition of electro explosive device 50% and motivates corresponding exposed igniter wire temperature measured value, corresponding exposed
Igniter wire ignition temperature rise is。
The concrete operation step of the step 3 is as follows：Since whether medicament is under fire the electromagnetic energy coupled with electro explosive device
It is closely related, therefore, in electromagnetic impulse radiation test, the critical ignition excitation value of electro explosive device and pulse width and repetition period
It is related；As shown in figure 3, temperature transducer 4 is placed close to igniter wire 2, and temperature transducer 4 and optical fiber temperature-measurement test configurations are connected
It connects, 2 temperature measurement signal of igniter wire is transferred on optical fiber temperature measurement system host 5 by optical fiber, is equipped on optical fiber temperature measurement system host 5
Fiber data acquisition module 6, optical fiber temperature measurement system host 5 are electrically connected to control test macro 7；Change the arteries and veins of electromagnetic pulse signal
Width and repetition period are rushed, step 1 and step 2 is repeated, obtains different pulse parameter conditions（The pulse of electromagnetic pulse signal is wide
Degree and repetition period）The critical ignition of lower electro explosive device 50% motivates corresponding exposed igniter wire temperature rise；Joined according to different pulses
Exposed igniter wire ignition temperature rise under said conditionsDiscrete data point, using the methods of least square method fitting obtain electromagnetism arteries and veins
Exposed igniter wire ignition temperature rise under punching effectThe calibration and prediction model that change with pulse width and repetition period or curve.
The concrete operation step of the step 4 is as follows：Exposed igniter wire hair under the electromagnetic pulse effect obtained according to step 3
Fiery temperature riseCalibration and prediction model or curve, give EMP parameters feature locating for tested electro explosive device（Electromagnetism
The pulse width of pulse signal and repetition period）, the pulse parameter is calculated and acts on the lower corresponding exposed igniter wire of electro explosive device
Flashing temperature, thus realize different parameters electromagnetic pulse act on effective calibration of the lower exposed igniter wire ignition temperature rise of electro explosive device with
Prediction, provides foundation for electro explosive device Safety Margin under subsequent strong electromagnetic pulse radiation condition.
The exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique under pulse of the invention, from bright thermal bridge wire type electric detonation
Device ignition mechanism is set out, using optical fiber temperature-measurement method test assessment electro explosive device security of electromagnetic radiation, not only with its
Ignition mechanism fits closely, and can accurately reflect its firing characteristic, and igniter wire temperature measurement and radiation frequency are almost without pass
System, can overcome frequency of electromagnetic radiation to the influence of test result, can solve the electro explosive device Electromgnetic seat of GHz frequencies above
Property test problem, effectively expand be applicable in upper frequency limit；For the deficiency of current optical fiber temperature-measurement mode, electro explosive device 50% is proposed
The test method of the corresponding exposed igniter wire temperature rise of critical ignition excitation, by establishing exposed igniter wire ignition temperature rise with pulse width and again
The calibration of multiple mechanical periodicity and prediction model, solve the problems, such as that the temperature transducer response time is not fast enough, difference may be implemented
Electromagnetic pulse acts on being effectively predicted for the lower exposed igniter wire ignition temperature rise of electro explosive device, and improving with exposed igniter wire temperature rise is according to judgement
The accuracy and engineering practicability of electro explosive device ignition state mention to carry out weaponry high field electromagnetic radiation Safety Margin
For reliable criterion.
Above-described embodiment is only better embodiment of the invention, therefore all according to structure described in present patent application range
It makes, the equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (7)
1. the exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique under a kind of pulse, it is characterised in that：Including following step
Suddenly：
Step 1 tests environment temperature T under electromagnetic pulse effect0The critical ignition excitation of the 50% of lower electro explosive device；
Step 2 tests environment temperature T under electromagnetic pulse identical with step 1 effect0Lower 50% critical ignition excitation corresponds to
Exposed igniter wire temperature measured value, establish the parameter electromagnetic pulse effect under the critical ignition of electro explosive device 50% excitation with it is naked
Reveal the corresponding relationship of igniter wire ignition temperature rise；
Step 3 changes pulse width and the repetition period of electromagnetic pulse signal, and electric detonation fills under the conditions of obtaining different pulse parameters
Set the measured value of exposed igniter wire temperature when ignition；According to the discrete data of igniter wire ignition temperature rise exposed under the conditions of different pulse parameters
Point, fitting obtain the calibration and prediction that exposed igniter wire ignition temperature rise changes with pulse width and repetition period under electromagnetic pulse effect
Model；
Step 4, exposed igniter wire ignition temperature rise calibration and prediction model under the electromagnetic pulse effect obtained according to step 3, is realized
Different parameters electromagnetic pulse acts on being effectively predicted for the lower exposed igniter wire ignition temperature rise of electro explosive device.
2. the exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique, feature under pulse according to claim 1
It is, the concrete operation step of the step 1 is as follows：Using Up-and-down test, determine that electro explosive device exists by statistical theory
50% critical ignition excitation under electromagnetic pulse effect；No less than 20 sample sizes are chosen to be tested；When test, in environment
Temperature T0Under, electromagnetic pulse injection is carried out to the electro explosive device of selection or radiation effect is tested, determines that electric detonation fills according to lifting and lowering method
The critical ignition excitation of 50% set；The electro explosive device includes lead, and the igniter wire being set in lead, and is wrapped in igniter wire
The medicament of surrounding.
3. the exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique under pulse according to claim 1 or 2, special
Sign is, the ignition excitation refers to electromagnetic pulse injection or radiation, ignition excitation parameters include electromagnetic pulse signal intensity, on
Rise time, pulse width and repetition period.
4. the exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique, feature under pulse according to claim 1
It is, the concrete operation step of the step 2 is as follows：The medicament for removing package igniter wire in electro explosive device, temperature transducer is pasted
Nearly igniter wire is placed, in the case where other experiment conditions are constant, in certain ambient temperatureT 0Lower development electromagnetic pulse effect
It should test, obtain the critical ignition of electro explosive device 50% and motivate corresponding exposed igniter wire temperature measured value, corresponding exposed igniter wire hair
Fiery temperature rise is。
5. the exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique under pulse according to claim 1 or 4, special
Sign is that its test environment temperature of the step 2 is identical as its test environment temperature of step 1.
6. the exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique, feature under pulse according to claim 1
It is, the concrete operation step of the step 3 is as follows：Temperature transducer is placed close to igniter wire, and by temperature transducer and light
Fine thermometric test configurations connection, igniter wire temperature measurement signal is transferred on optical fiber temperature measurement system host by optical fiber, optical fiber temperature-measurement system
Fiber data acquisition module is installed on system host, optical fiber temperature measurement system host is electrically connected to control test macro；Change electromagnetism
The pulse width of pulse signal and repetition period repeat step 1 and step 2, and electric detonation fills under the conditions of obtaining different pulse parameters
It sets 50% ignition and motivates corresponding exposed igniter wire temperature rise；According to igniter wire ignition temperature rise exposed under the conditions of different pulse parametersDiscrete data point, using the methods of least square method fitting obtain electromagnetic pulse effect under exposed igniter wire ignition temperature riseThe calibration and prediction model that change with pulse width and repetition period or curve.
7. the exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique, feature under pulse according to claim 1
It is, the concrete operation step of the step 4 is as follows：Exposed igniter wire is under fire under the electromagnetic pulse effect obtained according to step 3
Temperature riseCalibration and prediction model or curve, give EMP parameters feature locating for tested electro explosive device, calculate
The pulse parameter acts on the lower corresponding exposed igniter wire flashing temperature of electro explosive device out, to realize that different parameters electromagnetic pulse is made
It is that electric detonation fills under subsequent strong electromagnetic pulse radiation condition with the effective calibration and prediction of the exposed igniter wire ignition temperature rise of lower electro explosive device
It sets Safety Margin and foundation is provided.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816095A (en) * | 2021-01-04 | 2021-05-18 | 北京理工大学 | Bridge wire temperature testing system and testing method for ignition of electric explosion device under battery pulse action |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816095A (en) * | 2021-01-04 | 2021-05-18 | 北京理工大学 | Bridge wire temperature testing system and testing method for ignition of electric explosion device under battery pulse action |
| CN112816095B (en) * | 2021-01-04 | 2021-11-02 | 北京理工大学 | Bridge wire temperature testing system and testing method during ignition of electric explosion device under electromagnetic pulse action |
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