CN108872739A - A kind of bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method - Google Patents
A kind of bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method Download PDFInfo
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Abstract
The invention discloses a kind of bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test methods, include the following steps:Step 1:Obtain different pulse signal features, varying environment temperatureUnder tested bright thermal bridge wire type electro explosive device 50% be under fire and motivate corresponding exposed igniter wire temperature rise;Step 2:The trial test of low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device, obtains the corresponding exposed igniter wire temperature rise of low field intensity radiation event;Step 3:Linear extrapolation obtains the corresponding bright exposed igniter wire temperature rise of thermal bridge wire type electro explosive device of High-Field intense radiation;Step 4:Compare temperature rise valueWithSize, judge that can tested bright thermal bridge wire type electro explosive device accidental ignition or detonation under High-Field intense radiation;Bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method of the invention provides full frequency band universal test techniques to test the high field electromagnetic radiation sensitivity for the thermal bridge wire type electro explosive device that burns.
Description
Technical field
The present invention relates to a kind of bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test methods, belong to military equipment
Technical field.
Background technique
Electro explosive device is the building block of the weaponrys such as ammunition and guided missile, individual electro explosive device and is placed in body
Portion, the electro explosive device Electromagnetic Coupling Characteristic difference under actual load state are huge, if only obtaining the ignition of electro explosive device itself
Field strength is then still difficult to effectively assess the whole safety under strong electromagnetic radiation field action of equipment;However, the line that equipment is whole
It spends often larger(Such as rocket projectile), carry out the whole electromagnetism spoke for meeting GJB1389A-2005 regulation electromagnetic ambient level to it
Penetrate that test is very difficult, if carrying out the safety margin test assessment of such equipment, required electromagnetic environment if is more difficult to simulate
Even technically it cannot achieve;For this purpose, the present invention acts on lower electro explosive device ignition quality and igniter wire temperature rise with electromagnetic field radiation
Based on measurement result, thermal bridge wire type electro explosive device high field electromagnetic radiation effect equivalent test method of burning under actual load state is proposed,
Solve above-mentioned key technical problem;The present invention, which is directed under existing experiment condition, is difficult to objectively evaluate electro explosive device electromagnetic radiation ignition
The technical problem of performance, it is contemplated that the temperature-coefficient of electrical resistance of scorching hot igniter wire is based on low field strong electromagnetic radiation in a ten thousandth or so
The igniter wire temperature measurement result and linear extrapolation thought of trial test propose the high field electromagnetic radiation effect of bright thermal bridge wire type electro explosive device
Equivalent test method is answered, realizes security test assessment of the thermal bridge wire type electro explosive device under High-Field strong electromagnetic radiation of burning, and can
It extrapolates and determines its ignition field strength;To carry out electromagnetism spoke to bright thermal bridge wire type electro explosive device under existing electromagnetic radiation field simulated conditions
Effect test test and safety evaluation are penetrated, the not high enough caused effect test Pinch technology of field strength is overcome the problems, such as, is filled in electric detonation
On the basis of setting igniter wire temperature measurement and prediction technique, electro explosive device high field electromagnetic radiation effect equivalent test method is proposed.
Summary of the invention
To solve the above problems, the invention proposes a kind of bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent tests
Method can solve the electro explosive device electromagnetic security test problem of GHz frequencies above, effectively expands and is applicable in upper frequency limit;It can
To realize security test assessment of the thermal bridge wire type electro explosive device under High-Field strong electromagnetic radiation of burning, field strength is overcome in laboratory not
Effect test Pinch technology problem caused by enough height;It can extrapolate and determine its ignition field strength, to test the thermal bridge wire type electro explosive device that burns
High field electromagnetic radiation sensitivity provide full frequency band universal test techniques.
Bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method of the invention, includes the following steps:
Step 1:Obtain different pulse signal features, varying environment temperatureUnder tested bright thermal bridge wire type electro explosive device 50% be under fire
Motivate corresponding exposed igniter wire temperature rise;
Step 2:The trial test of low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device, obtains low field intense radiation feelings
The corresponding exposed igniter wire temperature rise of condition;
Step 3:Linear extrapolation obtains the corresponding bright exposed igniter wire temperature rise of thermal bridge wire type electro explosive device of High-Field intense radiation;
Step 4:Compare temperature rise valueWithSize, judge tested bright thermal bridge wire type electro explosive device in high field intensity spoke
Can penetrate down accidental ignition or detonation.
Further, the concrete operation step of the step 1 is as follows:In the exposed igniter wire temperature measurement of electro explosive device and in advance
On the basis of survey method, tested by the injection of steady current under isoperibol or electromagnetic pulse injection effect, using lifting and lowering method,
50% ignition excitation parameters of electro explosive device are determined by statistical theory;The electro explosive device includes lead, and is set to and draws
Igniter wire in line, and the medicament being wrapped in around igniter wire;When carrying out thermometric test, the medicament around electro explosive device igniter wire is removed,
Temperature transducer is placed close to igniter wire, and temperature transducer is connect with optical fiber temperature-measurement test configurations, by igniter wire temperature measurement signal
It is transferred on optical fiber temperature measurement system host by optical fiber, fiber data acquisition module, light is installed on optical fiber temperature measurement system host
Fine temp measuring system host is electrically connected to control test macro, according to 50% ignition excitation parameters of tested electro explosive device, to exposed bridge
Silk carries out injection testing, measurement igniter wire temperature corresponding with the ignition excitation of electro explosive device 50%T 2;According to the exposed igniter wire temperature of proposition
Calibration and prediction model are risen, different pulses or continuous wave signal feature, varying environment temperature are obtainedLower electro explosive device 50% is under fire
Motivate corresponding igniter wire temperature, corresponding to igniter wire temperature rise is, it is the equivalent examination of high field electromagnetic radiation effect under different condition
It tests and the ignition quality data of electro explosive device is provided, improve the engineering practicability of test efficiency and test method.
Still further, the ignition excitation parameters include the amplitude of steady current, the pulsewidth of electromagnetic pulse, repetition rate
And amplitude.
Further, the concrete operation step of the step 2 is as follows:Tested bright thermal bridge wire type electro explosive device is carried out low
Field strength electromagnetic radiation trial test obtains the corresponding exposed igniter wire temperature rise of low field intensity radiation event, removes electro explosive device bridge before testing
Medicament around silk, temperature transducer is placed close to igniter wire and measures the environment temperature around igniter wireT 0, choose suitable electricity
Magnetic radiation field strengthE LIntegral radiation test is carried out, exposed igniter wire temperature at this time is measuredT L, electro explosive device is replaced, repeatedly measurement obtains
It takesT LAverage value, then the corresponding exposed igniter wire temperature rise of low field intensity radiation event is。
Further, the concrete operation step of the step 3 is as follows:It is corresponding naked that linear extrapolation obtains High-Field intense radiation
Reveal igniter wire temperature rise, under insulation or thermal equilibrium condition, input currentIWith igniter wire temperature riseRelationship between the two is all satisfiedI 2It is proportional to;It and is linear relationship between extraneous radiation field intensity and igniter wire input current;Therefore, scorching hot igniter wire temperature rise and outer
Boundary's radiation field intensity square value is also proportional;According to the scorching hot igniter wire temperature rise property directly proportional to extraneous radiation field intensity square value
Matter, the exposed igniter wire temperature rise that trial test is obtainedCarry out linear extrapolation;Known temperature riseCorresponding radiation field intensity
Value isE L, if desired examining or check extraneous radiation field intensity isE HWhen tested electro explosive device security of electromagnetic radiation, then it is corresponding at this time naked
Revealing igniter wire temperature rise is
。
Further, the concrete operation step of the step 4 is as follows:CompareWithSize, if the former compared with
Greatly, illustrate that the corresponding exposed igniter wire temperature rise of High-Field intense radiation is higher than the 50% exposed igniter wire temperature of ignition that injection testing is determining or predicts
It rises, then high field intensity radiation can result in tested electro explosive device accidental ignition or detonation;It is on the contrary then be not in accident;By above-mentioned
Method is, it can be achieved that the tested examination for equipping strong-electromagnetic field radiogical safety.
Still further, the verification method of the equivalent test method is as follows:The feasibility and accuracy of equivalent test must
It must be by being verified, it is contemplated that existing electromagnetic radiation experimental condition is generally difficult to cause the tested electric detonation under actual load state
Device accidental ignition, to improve its electromagnetic radiation sensitivity, in addition to the sensitive electro explosive device of selection is as experimental subjects, to tested electricity
Quick-fried device is reequiped, change electro explosive device wire length make its constitute half-wave antenna, change lead placement orientation make its with
The polarization direction of electromagnetic field is parallel, electromagnetic field vertical polarization reduces ground return influences, and enables tested electro explosive device existing
It is under fire under electromagnetic radiation experimental condition;In 2MHz-40GHz band limits, high, medium and low three typical frequency points are chosen, using liter
Drop method carries out electromagnetic radiation effect test to the electro explosive device by repacking, directly acquires 50% ignition field of tested electro explosive device
By forceE F;Meanwhile under the premise of tested electro explosive device working condition is constant, its 50% hair is obtained by the extrapolation of equivalent test method
The scene of a fire is strong,
;
In formula,、、、It respectively represents the ignition of electro explosive device 50% and motivates corresponding igniter wire temperature, environment temperature, exposed bridge
The average value of silk temperature, temperature riseCorresponding radiation field intensity values;CompareE FWithThe size of value examines equivalent test method
Test error.
Further, the concrete operation method of the linear extrapolation of its 50% ignition field strength of bright thermal bridge wire type electro explosive device
It is as follows:
(1)According to the exposed igniter wire temperature rise calibration of proposition and prediction model, different pulse signal features, varying environment temperature are obtainedLower electro explosive device 50%, which is under fire, motivates corresponding igniter wire temperature, corresponding to igniter wire temperature rise is;
(2)The trial test of low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device, obtains low field intensity radiation event pair
The exposed igniter wire temperature rise answered;Medicament before test around removal electro explosive device igniter wire places temperature transducer simultaneously close to igniter wire
Measure the environment temperature around igniter wireT 0, choose suitable electromagnetic radiation field strengthE LIntegral radiation test is carried out, at this time naked is measured
Reveal igniter wire temperatureT L, electro explosive device is replaced, repeatedly measurement obtainsT LAverage value, then low field intensity radiation event is corresponding exposed
Igniter wire temperature rise is;
(3)Based on linear extrapolation thought, obtaining tested 50% ignition field strength of bright thermal bridge wire type electro explosive device is
。
The present invention compared with prior art, bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test of the invention
Method, from bright thermal bridge wire type electro explosive device ignition mechanism, using the electricity of the method test assessment electro explosive device of optical fiber temperature-measurement
Magnetic radiation safety is not only fitted closely with its mechanism of being under fire, and can accurately reflect its firing characteristic, and igniter wire temperature measurement
With radiation frequency almost without relationship, frequency of electromagnetic radiation can be overcome to the influence of test result, can solve GHz or more frequency
The electro explosive device electromagnetic security test problem of rate is effectively expanded and is applicable in upper frequency limit;Based on linear extrapolation thought, may be implemented
It burns security test assessment of the thermal bridge wire type electro explosive device under High-Field strong electromagnetic radiation, overcomes in laboratory that field strength is not high enough to be led
The effect test Pinch technology problem of cause;Meanwhile can extrapolate and determine its ignition field strength, to test the thermal bridge wire type electro explosive device that burns
High field electromagnetic radiation sensitivity provides full frequency band universal test techniques.
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.
Fig. 4 is high field electromagnetic radiation effect equivalent test flow chart 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
Bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method of the invention, includes the following steps:
Step 1:Obtain different pulse signal features, varying environment temperatureUnder tested bright thermal bridge wire type electro explosive device 50% be under fire
Motivate corresponding exposed igniter wire temperature rise;
Step 2:The trial test of low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device, obtains low field intense radiation feelings
The corresponding exposed igniter wire temperature rise of condition;
Step 3:Linear extrapolation obtains the corresponding bright exposed igniter wire temperature rise of thermal bridge wire type electro explosive device of High-Field intense radiation;
Step 4:Compare temperature rise valueWithSize, judge tested bright thermal bridge wire type electro explosive device in high field intensity spoke
Can penetrate down accidental ignition or detonation.
The concrete operation step of the step 1 is as follows:In the base of electro explosive device exposed igniter wire temperature measurement and prediction technique
On plinth, by the steady current injection or the test of electromagnetic pulse injection effect under isoperibol, using lifting and lowering method(Referring to GJB/Z
377A-94), 50% ignition excitation parameters of electro explosive device are determined by statistical theory(Electric current, pulsewidth/amplitude etc.);Such as Fig. 1
Shown, the electro explosive device includes lead 1, and the igniter wire 2 being set in lead 1, and the medicament 3 being wrapped in around igniter wire 2;
Carry out thermometric test when, as shown in Figures 2 and 3, remove electro explosive device igniter wire 2 around medicament 3, by temperature transducer 4 close to
Igniter wire 2 is placed, and temperature transducer 4 is connect with optical fiber temperature-measurement test configurations, and 2 temperature measurement signal of igniter wire is transferred to by optical fiber
On optical fiber temperature measurement system host 5, fiber data acquisition module 6, optical fiber temperature measurement system master are installed on optical fiber temperature measurement system host 5
Machine 5 is electrically connected to control test macro 7 and is injected according to 50% ignition excitation parameters of tested electro explosive device to exposed igniter wire
Test, measurement igniter wire temperature corresponding with the ignition excitation of electro explosive device 50%T 2;According to the exposed igniter wire temperature rise of proposition calibration and in advance
Model is surveyed, different pulses or continuous wave signal feature, varying environment temperature are obtainedThe lower ignition of electro explosive device 50% excitation is corresponding
Igniter wire temperature, corresponding to igniter wire temperature rise is, electric detonation is provided for high field electromagnetic radiation effect equivalent test under different condition
The ignition quality data of device improve the engineering practicability of test efficiency and test method.
The concrete operation step of the step 2 is as follows:Low field strong electromagnetic spoke is carried out to tested bright thermal bridge wire type electro explosive device
Trial test is penetrated, the corresponding exposed igniter wire temperature rise of low field intensity radiation event is obtained, the medicine before testing around removal electro explosive device igniter wire
Temperature transducer is placed close to igniter wire and measures the environment temperature around igniter wire by agentT 0, choose suitable electromagnetic radiation field strengthE L
Integral radiation test is carried out, exposed igniter wire temperature at this time is measuredT L, electro explosive device is replaced, repeatedly measurement obtainsT LAverage value, then the corresponding exposed igniter wire temperature rise of low field intensity radiation event is。
The igniter wire material of common bright thermal bridge wire type electro explosive device is mainly nichrome 6J20,6J10, resistance temperature system
Number very little, about 7 × 10-5℃-1, and the flashing temperature of general medicament is less than 1000 DEG C, in experimental error, it is believed that
Igniter wire resistance value is not increased with temperature to be changed;Due to the difference of dynamic excitation signal characteristic, igniter wire may be in insulation or thermal balance
It heats up under the conditions of two kinds;
Under adiabatic conditions, the heat of igniter wire generation is, wherein I is the exciting current of igniter wire, and R is igniter wire resistance
Value, t0For action time;According to law of conservation of energy, this partial heat is completely used for igniter wire temperature rise, thus obtains:
;(1)
Wherein c, m andThe respectively specific heat of igniter wire, quality and temperature rise;Known by above formula, electric current square with igniter wire temperature rise at just
Proportionate relationship;
Under thermal equilibrium condition, the heat that igniter wire generates is except for some conduction in addition to igniter wire temperature rise to external agency, root
According to Fourier law, igniter wire dispersed heatBe proportional to perpendicular in the cross-wise direction temperature gradient dT/dr and section face
Product S, i.e.,
;(2)
Wherein k is the heat transfer coefficient of medium, under ideal conditions, igniter wire temperature rise(The temperature difference i.e. between igniter wire temperature and environment)With
It is integral relation between dT/dr, therefore can obtainsWithIt is same proportional, i.e.,
;(3)
WhereinFor proportionality coefficient, by formula(1)With(3)It is found that for different environment temperatures, different direct current intensity and radio frequency spoke
Field strength is penetrated, under thermal equilibrium condition, the relationship of input current and igniter wire temperature rise between the two is all satisfied I2It is proportional to;
To sum up, under the conditions of insulation or two kinds of thermal balance, input stimulus electric current and igniter wire temperature rise in igniter wire are between the two
Relationship is all satisfied I2It is proportional to, this conclusion is to be thought in high field electromagnetic radiation effect equivalent test method using linear extrapolation
Want to provide foundation.
The concrete operation step of the step 3 is as follows:Linear extrapolation obtains the corresponding exposed igniter wire temperature of High-Field intense radiation
It rises, by above-mentioned theory it is found that under insulation or thermal equilibrium condition, the relationship of input current and igniter wire temperature rise between the two is full
FootI 2It is proportional to;It and is linear relationship between extraneous radiation field intensity and igniter wire input current;Therefore, scorching hot igniter wire temperature rise with
Extraneous radiation field intensity square value is also proportional;According to the scorching hot igniter wire temperature rise property directly proportional to extraneous radiation field intensity square value
Matter, the exposed igniter wire temperature rise that trial test is obtainedCarry out linear extrapolation;Known temperature riseCorresponding radiation field intensity
Value isE L, if desired examining or check extraneous radiation field intensity isE HWhen tested electro explosive device security of electromagnetic radiation, then it is corresponding at this time naked
Revealing igniter wire temperature rise is
.(4)
The concrete operation step of the step 4 is as follows:CompareWithSize illustrate high field intensity if the former is larger
It radiates corresponding exposed igniter wire temperature rise and is higher than the 50% exposed igniter wire temperature rise of ignition that injection testing is determining or predicts, then high field intensity spoke
It penetrates and can result in tested electro explosive device accidental ignition or detonation;It is on the contrary then be not in accident;It is by the above method, it can be achieved that right
The examination of tested equipment strong-electromagnetic field radiogical safety.
The verification method of the equivalent test method is as follows:The feasibility and accuracy of equivalent test must by test into
Row verifying, it is contemplated that existing electromagnetic radiation experimental condition is generally difficult to cause the tested electro explosive device under actual load state surprisingly to send out
Fire in addition to the sensitive electro explosive device of selection is as experimental subjects, carries out tested electro explosive device to improve its electromagnetic radiation sensitivity
Repacking, changing electro explosive device wire length makes it constitute half-wave antenna, changes the pole that the placement orientation of lead makes it with electromagnetic field
Change direction is parallel, electromagnetic field vertical polarization reduces ground return influences, and tested electro explosive device is enable to try in existing electromagnetic radiation
It is under fire under the conditions of testing;In 2MHz-40GHz band limits, high, medium and low three typical frequency points are chosen, using lifting and lowering method to process
The electro explosive device of repacking carries out electromagnetic radiation effect test, directly acquires 50% ignition field strength of tested electro explosive deviceE F;Meanwhile
Under the premise of tested electro explosive device working condition is constant, is extrapolated by equivalent test method and obtain its 50% ignition field strength,
;(5)
In formula,、、、It respectively represents the ignition of electro explosive device 50% and motivates corresponding igniter wire temperature, environment temperature, exposed bridge
The average value of silk temperature, temperature riseCorresponding radiation field intensity values;CompareE FWithThe size of value examines equivalent test method
Test error.
The specific operation method is as follows for the linear extrapolation of its 50% ignition field strength of bright thermal bridge wire type electro explosive device:
(1)According to the exposed igniter wire temperature rise calibration of proposition and prediction model, different pulse signal features, varying environment temperature are obtainedLower electro explosive device 50%, which is under fire, motivates corresponding igniter wire temperature, corresponding to igniter wire temperature rise is;
(2)The trial test of low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device, obtains low field intensity radiation event pair
The exposed igniter wire temperature rise answered;Medicament before test around removal electro explosive device igniter wire places temperature transducer simultaneously close to igniter wire
Measure the environment temperature around igniter wireT 0, choose suitable electromagnetic radiation field strengthE LIntegral radiation test is carried out, at this time naked is measured
Reveal igniter wire temperatureT L, electro explosive device is replaced, repeatedly measurement obtainsT LAverage value, then low field intensity radiation event is corresponding exposed
Igniter wire temperature rise is;
(3)Based on linear extrapolation thought, obtaining tested 50% ignition field strength of bright thermal bridge wire type electro explosive device is
。
Bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method of the invention is filled from bright thermal bridge wire type electric detonation
It sets ignition mechanism to set out, using the security of electromagnetic radiation of the method test assessment electro explosive device of optical fiber temperature-measurement, not only be sent out with it
Lighter reason fits closely, and can accurately reflect its firing characteristic, and igniter wire temperature measurement and radiation frequency be almost without relationship,
Frequency of electromagnetic radiation can be overcome to the influence of test result, can solve the electro explosive device electromagnetic security of GHz frequencies above
Test problem is effectively expanded and is applicable in upper frequency limit;For being difficult to objectively evaluate electro explosive device electromagnetic radiation under existing experiment condition
The technical problem of ignition quality(Field strength index specified in standard is that current laboratory condition is unable to reach, and simple rely on mentions
The radiant power of high testing equipment carries out effect test and encounters technical bottleneck), it is contemplated that the temperature-coefficient of electrical resistance of scorching hot igniter wire
In a ten thousandth or so, igniter wire temperature measurement result and linear extrapolation thought based on low field strong electromagnetic radiation trial test are proposed
The high field electromagnetic radiation effect equivalent test method of bright thermal bridge wire type electro explosive device, and can extrapolate and determine its ignition field strength, to survey
The high field electromagnetic radiation sensitivity for trying bright thermal bridge wire type electro explosive device provides full frequency band universal test techniques.
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 (8)
1. a kind of bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method, it is characterised in that:Include the following steps:
Step 1:Obtain different pulse signal features, varying environment temperatureUnder tested bright thermal bridge wire type electro explosive device 50% be under fire
Motivate corresponding exposed igniter wire temperature rise;
Step 2:The trial test of low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device, obtains low field intense radiation feelings
The corresponding exposed igniter wire temperature rise of condition;
Step 3:Linear extrapolation obtains the corresponding bright exposed igniter wire temperature rise of thermal bridge wire type electro explosive device of High-Field intense radiation;
Step 4:Compare temperature rise valueWithSize, judge tested bright thermal bridge wire type electro explosive device in High-Field intense radiation
Under can accidental ignition or detonation.
2. bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method according to claim 1, feature exist
In the concrete operation step of the step 1 is as follows:On the basis of the exposed igniter wire temperature measurement of electro explosive device and prediction technique,
By the steady current injection or the test of electromagnetic pulse injection effect under isoperibol, using lifting and lowering method, by statistical theory
Determine 50% ignition excitation parameters of electro explosive device;The electro explosive device includes lead, and the igniter wire being set in lead, and
The medicament being wrapped in around igniter wire;When carrying out thermometric test, the medicament around electro explosive device igniter wire is removed, temperature transducer is pasted
Nearly igniter wire is placed, and temperature transducer is connect with optical fiber temperature-measurement test configurations, and igniter wire temperature measurement signal is transferred to by optical fiber
On optical fiber temperature measurement system host, fiber data acquisition module, optical fiber temperature measurement system host are installed on optical fiber temperature measurement system host
It is electrically connected to control test macro, according to 50% ignition excitation parameters of tested electro explosive device, injection examination is carried out to exposed igniter wire
It tests, measurement igniter wire temperature corresponding with the ignition excitation of electro explosive device 50%T 2;It is calibrated and is predicted according to the exposed igniter wire temperature rise of proposition
Model obtains different pulses or continuous wave signal feature, varying environment temperatureLower electro explosive device 50%, which is under fire, motivates corresponding bridge
Silk temperature, corresponding to igniter wire temperature rise is, electric detonation dress is provided for high field electromagnetic radiation effect equivalent test under different condition
The ignition quality data set.
3. bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method according to claim 1 or 2, feature
It is, the ignition excitation parameters include the amplitude of steady current, the pulsewidth of electromagnetic pulse, repetition rate, amplitude.
4. bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method according to claim 1, feature exist
In the concrete operation step of the step 2 is as follows:It is pre- that low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device
Test obtains the corresponding exposed igniter wire temperature rise of low field intensity radiation event, and the medicament before testing around removal electro explosive device igniter wire will
Temperature transducer is placed close to igniter wire and measures the environment temperature around igniter wireT 0, choose suitable electromagnetic radiation field strengthE LIt carries out
Integral radiation test, measures exposed igniter wire temperature at this timeT L, electro explosive device is replaced, repeatedly measurement obtainsT LAverage value, then
The corresponding exposed igniter wire temperature rise of low field intensity radiation event is。
5. bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method according to claim 1, feature exist
In the concrete operation step of the step 3 is as follows:Linear extrapolation obtains the corresponding exposed igniter wire temperature rise of High-Field intense radiation, exhausted
Under heat or thermal equilibrium condition, input currentIWith igniter wire temperature riseRelationship between the two is all satisfiedI 2It is proportional to;And it is outer
It is linear relationship between boundary's radiation field intensity and igniter wire input current;Therefore, scorching hot igniter wire temperature rise and extraneous radiation field intensity square value
Also proportional;According to the scorching hot igniter wire temperature rise property directly proportional to extraneous radiation field intensity square value, trial test is obtained
Exposed igniter wire temperature riseCarry out linear extrapolation;Known temperature riseCorresponding radiation field intensity values areE L, if desired examination is outer
Boundary's radiation field intensity isE HWhen tested electro explosive device security of electromagnetic radiation, then exposed igniter wire temperature rise corresponding at this time is
。
6. bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method according to claim 1, feature exist
In the concrete operation step of the step 4 is as follows:CompareWithSize illustrate high field intensity spoke if the former is larger
Corresponding exposed igniter wire temperature rise is penetrated higher than the 50% exposed igniter wire temperature rise of ignition that injection testing is determining or predicts, then High-Field intense radiation
It can result in tested electro explosive device accidental ignition or detonation;It is on the contrary then be not in accident;By the above method, it can be achieved that by
Trial assembly for strong-electromagnetic field radiogical safety examination.
7. bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method according to claim 2, feature exist
In the verification method of the equivalent test method is as follows:Select sensitive electro explosive device as experimental subjects, to tested electro explosive device
It is reequiped, in 2MHz-40GHz band limits, high, medium and low three typical frequency points is chosen, using lifting and lowering method to by reequiping
Electro explosive device carry out electromagnetic radiation effect test, directly acquire 50% ignition field strength of tested electro explosive deviceE F;Meanwhile by
Under the premise of examination electro explosive device working condition is constant, passes through the extrapolation of equivalent test method and obtain its 50% ignition field strength,
;
In formula,、、、It respectively represents the ignition of electro explosive device 50% and motivates corresponding igniter wire temperature, environment temperature, exposed bridge
The average value of silk temperature, temperature riseCorresponding radiation field intensity values;CompareE FWithThe size of value examines equivalent test method
Test error.
8. bright thermal bridge wire type electro explosive device electromagnetic radiation effect equivalent test method according to claim 1, feature exist
In the specific operation method is as follows for the linear extrapolation of its 50% ignition field strength of bright thermal bridge wire type electro explosive device:
(1)According to the exposed igniter wire temperature rise calibration of proposition and prediction model, different pulse signal features, varying environment temperature are obtainedLower electro explosive device 50%, which is under fire, motivates corresponding igniter wire temperature, corresponding to igniter wire temperature rise is;
(2)The trial test of low field strong electromagnetic radiation is carried out to tested bright thermal bridge wire type electro explosive device, obtains low field intensity radiation event pair
The exposed igniter wire temperature rise answered;Medicament before test around removal electro explosive device igniter wire places temperature transducer simultaneously close to igniter wire
Measure the environment temperature around igniter wireT 0, choose suitable electromagnetic radiation field strengthE LIntegral radiation test is carried out, at this time naked is measured
Reveal igniter wire temperatureT L, electro explosive device is replaced, repeatedly measurement obtainsT LAverage value, then low field intensity radiation event is corresponding exposed
Igniter wire temperature rise is;
(3)Based on linear extrapolation thought, obtaining tested 50% ignition field strength of bright thermal bridge wire type electro explosive device is
。
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