CN110455133A - Temperature rise prediction system and method for electric explosion device under radio frequency continuous wave - Google Patents
Temperature rise prediction system and method for electric explosion device under radio frequency continuous wave Download PDFInfo
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- CN110455133A CN110455133A CN201910832808.9A CN201910832808A CN110455133A CN 110455133 A CN110455133 A CN 110455133A CN 201910832808 A CN201910832808 A CN 201910832808A CN 110455133 A CN110455133 A CN 110455133A
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- 238000004880 explosion Methods 0.000 title abstract description 12
- 238000000034 method Methods 0.000 title abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 50
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 18
- 239000002360 explosive Substances 0.000 claims description 104
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 238000005474 detonation Methods 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 9
- 238000010998 test method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 241001269238 Data Species 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 208000033748 Device issues Diseases 0.000 claims 1
- 238000013506 data mapping Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a system and a method for predicting the temperature rise of an electric explosion device under radio frequency continuous waves, which consists of the electric explosion device to be tested, an electromagnetic field strength tester, a temperature rise test system and a radio frequency generating device, wherein the electric explosion device to be tested is detachably arranged on a fixed platform of the electric explosion device to be tested; the invention relates to a temperature rise prediction system and a temperature rise prediction method for an electric explosion device under radio frequency continuous waves, wherein a temperature rise test system for the electric explosion device under the radio frequency continuous waves is designed and tested to determine the temperature rise of exposed bridge wires of the electric explosion device under different radio frequency continuous waves; and obtaining the temperature rise curve of the exposed bridge wire of the electric explosion device under different radio frequency continuous waves according to the test result, and realizing effective prediction of the temperature rise of the electric explosion device under the radio frequency continuous waves.
Description
Technical field
The present invention relates to electro explosive device temperature prediction system and methods under a kind of radio frequency continuous wave, belong to military equipment technology
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.Electro explosive device temperature prediction effect test appraisal procedure under radio frequency continuous wave of the present invention is established different by limited test
Radio frequency continuous wave acts on the calibrating patterns of the lower exposed igniter wire temperature rise of electro explosive device, realizes effective calibration and in advance of electro explosive device temperature rise
It surveys.
Summary of the invention
To solve the above problems, the invention proposes electro explosive device temperature prediction system and sides under a kind of radio frequency continuous wave
Method realizes that electro explosive device temperature rise is effectively predicted under radio frequency continuous wave.
Electro explosive device temperature prediction system under radio frequency continuous wave of the present invention is fixed by being removably mounted to tested electro explosive device
Tested electro explosive device on platform, and the electromagnetic field field strength measurement for testing field strength near tested electro explosive device fixed platform
Instrument, and the temperature rise test system for testing its exposed igniter wire temperature rise of tested electro explosive device, and for issuing radio frequency continuous wave
Radio frequency generator composition；
The temperature rise test system includes the temperature sensor for incuding its exposed igniter wire temperature of tested electro explosive device, and
For the data acquisition equipment of temperature collection signal, and for the temperature signal data of acquisition to be analyzed and processed and shown
Reading data equipment；The temperature sensor is electrically connected through data acquisition equipment with reading data equipment；The temperature sensor
With its exposed igniter wire of tested electro explosive device close to placement；
The radio frequency generator includes the radio-frequency signal generator for issuing radiofrequency signal, and for radiofrequency signal
The radiofrequency signal that generator issues carries out the wideband power amplifer of signal amplification, and is used for amplified radio signal transmission
To the bidirectional coupler stacked on log-periodic antenna, and the double channels microwave power for acquiring bidirectional coupler operating voltage
Meter；
The radio-frequency signal generator is successively through wideband power amplifer and its main line of bidirectional coupler and heap iterated logarithm week
The electrical connection of phase antenna；Its by-pass is electrically connected described its measurement end of double channels microwave power meter with bidirectional coupler；
The tested electro explosive device is fixed on tested electro explosive device fixed platform, and it is fixed on bracket；The tested electric detonation dress
It sets its fixation carriage center of fixed platform and stacks and be provided with spacing between log-periodic antenna center.
Further, the tested electro explosive device is made of lead, igniter wire and medicament, and igniter wire is set in lead, medicine
Agent is wrapped in around igniter wire.
The test method of electro explosive device temperature prediction system under radio frequency continuous wave of the invention, comprising the following steps:
The first step connects laboratory apparatus, and tested electro explosive device is fixed on to the fixation bracket of tested electro explosive device fixed platform
On, the fixation carriage center distance for stacking log-periodic antenna center and tested electro explosive device fixed platform is fixed as d；
Second step opens radio-frequency signal generator, wideband power amplifer, double channels microwave power meter and electromagnetic field respectively
Field intensity tester；Adjustment signal source exports after preheating, i.e., to radio-frequency signal generator, wideband power amplifer, double channels microwave
Power meter and electromagnetic field field intensity tester boot up half an hour, make instrument and equipment output signal and test data stabilization can
It leans on, later, whether test stacks the transmission power of log-periodic antenna, and observe tested electro explosive device and be under fire explosion, that is, checks
Whether the signal of output can allow electro explosive device to explode, and electricity consumption field strength tester tests the fixed bracket of tested electro explosive device at this time
Neighbouring field strength E, observes the temperature rise of its exposed igniter wire of tested electro explosive device；Meanwhile recording double channels microwave power meter reading
U, the temperature rise T of electromagnetic field field intensity tester reading its exposed igniter wire of E and tested electro explosive device；
Third step repeats second step operation, and the injection letter for stacking log-periodic antenna is stepped up with the principle of unique step D
Number, it tests and records 10 groups of test datas；
4th step carries out mapping analysis processing to the data of record, determines different radio frequency continuous wave and electro explosive device temperature rise
Relationship, realize radio frequency continuous wave under electro explosive device temperature rise prediction；Specifically, it by emitting a radio frequency continuous wave, determines
Field strength at fixed electro explosive device, so that it is determined that proportionate relationship between the two；Then different size of radio frequency is exported to connect
Continuous wave, obtains field strength under this condition under a proportional relationship, is obtained under this condition with the temperature rise test system of exposed igniter wire
Exposed igniter wire temperature rise, finally obtain the relationship of different field strength Yu the exposed igniter wire temperature rise of quick-fried device.
Further, the test in the second step stacks the concrete operation step of the transmission power of log-periodic antenna
Are as follows: utilize the voltage U on double channels microwave power meter test bidirectional coupler.
Further, the concrete operation step of the temperature rise of tested its exposed igniter wire of electro explosive device of observation in the second step
Are as follows: then the medicament for first removing package igniter wire in tested electro explosive device is placed temperature transducer close to exposed igniter wire, by temperature
Sensor is connect through data acquisition equipment with reading data equipment, enables the exposed igniter wire temperature measurement signal of tested electro explosive device
It is shown by reading data equipment.
Further, its concrete operation step of the 4th step are as follows:
The value read according to double channels microwave power meter reading with electromagnetic field field intensity tester is proportional relationship, then basis
Double channels microwave power meter voltage U and electromagnetic field field intensity tester field strength E obtains relationship between the two, realizes different
Radiofrequency signal UiCorresponding field strength Ei:
Ei=k ' Ui, (1)
As known radiofrequency signal U at thisiCorresponding field strength EiProportionate relationship after, this is calculated according to formula (2)
The power P (W) at place:
P (W)=U2/ 50 Ω, (2)
It obtains reading with the consistent unit of frequency spectrograph further according to formula (3) and formula (4),
P (mW)=1000P (W), (3)
P (dBm)=10logP (mW), (4)
It is obtained according to irradiation field strength with igniter wire temperature rise log ratio k=0.092 and formula (1), (4):
According to formula (5), the relationship of different field strengths Yu naked bridge ignition temperature rise is obtained, to realize that different radio frequency is continuous
Naked bridge ignition temperature rise is effectively predicted under wave, improves the engineering practicability of test method.
The present invention compared with prior art, electro explosive device temperature prediction system and side under radio frequency continuous wave of the invention
Method designs electro explosive device temperature rise test system under radio frequency continuous wave and is tested, electric under different radio frequency continuous wave to determine
The temperature rise of the quick-fried exposed igniter wire of device；The temperature rise for obtaining the exposed igniter wire of electro explosive device under different radio frequency continuous wave according to test result is bent
Line realizes that electro explosive device temperature rise is effectively predicted under radio frequency continuous wave；The radiofrequency signal that radio-frequency signal generator issues passes through width
Band power amplifier amplifies, and amplified radiofrequency signal is entered by bidirectional coupler and stacked on log-periodic antenna,
So that the exposed igniter wire of electro explosive device is under radio frequency continuous wave environment, then acquired by data acquisition equipment by temperature
The exposed igniter wire temperature rise that sensor detects, then processing analysis is carried out simultaneously by temperature signal data of the reading data equipment to acquisition
Temperature display is carried out, the exposed igniter wire temperature rise testing experiment of electro explosive device under radio frequency continuous wave is realized；By adjusting radiofrequency signal
Generator realizes the emission of radio frequency signals of different amplitudes, with the power on double channels microwave power meter acquisition bidirectional coupler；Electricity
Field strength tester tests tested electro explosive device fixed platform field strength nearby；By temperature sensor, data acquisition equipment sum number
Temperature rise detection is carried out to the exposed igniter wire of tested electro explosive device according to the temperature rise test system for reading equipment composition；Pass through limited examination
The relationship of determining different radio frequency continuous wave and electro explosive device temperature rise is tested, and it is naked to establish electro explosive device under different radio frequency continuous wave acts on
Reveal the calibrating patterns of igniter wire temperature rise, realizes the prediction of electro explosive device temperature rise under radio frequency continuous wave.
Detailed description of the invention
Fig. 1 is electro explosive device ignition test system structure schematic diagram under radio frequency continuous wave of the invention.
Fig. 2 is enlarged structure schematic diagram at A of the invention.
Fig. 3 is test result figure of the invention.
Fig. 4 is irradiation field strength and igniter wire temperature rise logarithmic relationship figure of the invention.
Each component mark in attached drawing are as follows: 1- radio-frequency signal generator, 2- wideband power amplifer, 3- bidirectional coupler, 4-
Double channels microwave power meter, 5- stack log-periodic antenna, the exposed igniter wire fixed platform of the tested electro explosive device of 6-, the tested electric detonation of 7-
Lead on the outside of its exposed igniter wire of device, the tested electro explosive device of 8- its exposed igniter wire, 9- temperature sensor, the acquisition of 10- data are set
Standby, 11- reading data equipment.
Specific embodiment
Electro explosive device temperature prediction system under radio frequency continuous wave as depicted in figs. 1 and 2, by being removably mounted to tested electricity
Tested electro explosive device in quick-fried device fixed platform 6, and the electromagnetism for testing field strength near tested electro explosive device fixed platform 6
Field field intensity tester (not shown), and the temperature rise test system for testing its exposed 8 temperature rise of igniter wire of tested electro explosive device, and use
In the radio frequency generator composition for issuing radio frequency continuous wave；
The temperature rise test system includes the temperature sensor 9 for incuding its exposed 8 temperature of igniter wire of tested electro explosive device,
And the data acquisition equipment 10 for temperature collection signal, and for the temperature signal data of acquisition to be analyzed and processed and shown
The reading data equipment 11 shown；The temperature sensor 9 is electrically connected through data acquisition equipment 10 with reading data equipment 11；It is described
Temperature sensor 9 and its exposed igniter wire 8 of tested electro explosive device are close to placement；
The radio frequency generator includes the radio-frequency signal generator 1 for issuing radiofrequency signal, and for believing radio frequency
The radiofrequency signal that number generator 1 issues carries out the wideband power amplifer 2 of signal amplification, and for by amplified radiofrequency signal
It is transmitted to the bidirectional coupler 3 stacked on log-periodic antenna 5, and the binary channels for acquiring 3 operating voltage of bidirectional coupler
Microwave power meter 4；
The radio-frequency signal generator 1 is successively through wideband power amplifer 2 and its main line of bidirectional coupler 3 and heap iterated logarithm
Periodic antenna 5 is electrically connected；Its by-pass is electrically connected described its measurement end of double channels microwave power meter 4 with bidirectional coupler 3；
The tested electro explosive device is fixed on tested electro explosive device fixed platform 6, and it is fixed on bracket；The tested electric detonation
Spacing is provided between its fixation carriage center of device fixed platform 6 and stacking 5 center of log-periodic antenna.
The tested electro explosive device is made of lead 7, igniter wire 8 and medicament, and igniter wire 8 is set in lead 7, medicament package
Around igniter wire 8.
The test method of electro explosive device temperature prediction system under radio frequency continuous wave of the invention, comprising the following steps:
The first step connects laboratory apparatus, and tested electro explosive device is fixed on to the fixation bracket of tested electro explosive device fixed platform
On, the fixation carriage center distance for stacking log-periodic antenna center and tested electro explosive device fixed platform is fixed as d；
Second step opens radio-frequency signal generator, wideband power amplifer, double channels microwave power meter and electromagnetic field respectively
Field intensity tester；Adjustment signal source exports after preheating, i.e., to radio-frequency signal generator, wideband power amplifer, double channels microwave
Power meter and electromagnetic field field intensity tester boot up half an hour, make instrument and equipment output signal and test data stabilization can
It leans on, later, whether test stacks the transmission power of log-periodic antenna, and observe tested electro explosive device and be under fire explosion, that is, checks
Whether the signal of output can allow electro explosive device to explode, and electricity consumption field strength tester tests the fixed bracket of tested electro explosive device at this time
Neighbouring field strength E, observes the temperature rise of its exposed igniter wire of tested electro explosive device；Meanwhile recording double channels microwave power meter reading
U, the temperature rise T of electromagnetic field field intensity tester reading its exposed igniter wire of E and tested electro explosive device；
Third step repeats second step operation, and the injection letter for stacking log-periodic antenna is stepped up with the principle of unique step D
Number, it tests and records 10 groups of test datas；
4th step carries out mapping analysis processing to the data being recorded in Fig. 3, determines that different radio frequency continuous wave and electric detonation fill
The relationship of temperature rise is set, realizes the prediction of electro explosive device temperature rise under radio frequency continuous wave；
As shown in figure 3, irradiation field strength P (dBm) and igniter wire temperature rise (DEG C) are the data obtained according to experiment, field strength P ' is irradiated
It (dBm) is that other irradiation field strength are subtracted into the benchmark and are obtained, igniter wire temperature rise logarithm T " is igniter wire temperature rise on the basis of -35.2dBm
T takes after logarithm on the basis of igniter wire temperature rise logarithm T ' 0.89, other igniter wire temperature rise logarithms are subtracted the benchmark and are obtained；To obtain
Field strength and igniter wire temperature rise logarithmic relationship k=0.092 are irradiated, entity relationship diagram is as shown in Figure 4.
Test in the second step stacks the concrete operation step of the transmission power of log-periodic antenna are as follows: utilizes bilateral
Road microwave power meter tests the voltage U on bidirectional coupler.
The concrete operation step of the temperature rise of tested its exposed igniter wire of electro explosive device of observation in the second step are as follows: first remove
The medicament of package igniter wire, then temperature transducer is placed, temperature sensor is passed through close to exposed igniter wire in tested electro explosive device
Data acquisition equipment is connect with reading data equipment, and the exposed igniter wire temperature measurement signal of tested electro explosive device is enabled to pass through data
Equipment is read to be shown.
Its concrete operation step of 4th step are as follows:
The value read according to double channels microwave power meter reading with electromagnetic field field intensity tester is proportional relationship, then basis
Double channels microwave power meter voltage U and electromagnetic field field intensity tester field strength E obtains relationship between the two, realizes different
Radiofrequency signal UiCorresponding field strength Ei:
Ei=k ' Ui, (1)
As known radiofrequency signal U at thisiCorresponding field strength EiProportionate relationship after, this is calculated according to formula (2)
The power P (W) at place:
P (W)=U2/ 50 Ω, (2)
It obtains reading with the consistent unit of frequency spectrograph further according to formula (3) and formula (4),
P (mW)=1000P (W), (3)
P (dBm)=10logP (mW), (4)
It is obtained according to irradiation field strength with igniter wire temperature rise log ratio k=0.092 and formula (1), (4):
According to formula (5), the relationship of different field strengths Yu naked bridge ignition temperature rise is obtained, to realize that different radio frequency is continuous
Naked bridge ignition temperature rise is effectively predicted under wave, improves the engineering practicability of test method.
Electro explosive device temperature prediction system and method under radio frequency continuous wave of the invention designs electric detonation under radio frequency continuous wave and fills
It sets temperature rise test system and is tested, to determine the temperature rise of the exposed igniter wire of electro explosive device under different radio frequency continuous wave；According to
Test result obtains the temperature rise curve of the exposed igniter wire of electro explosive device under different radio frequency continuous wave, realizes that electric detonation fills under radio frequency continuous wave
Set being effectively predicted for temperature rise；
The radiofrequency signal that radio-frequency signal generator issues is amplified by wideband power amplifer, amplified radio frequency letter
Number by bidirectional coupler enter stack log-periodic antenna on so that the exposed igniter wire of electro explosive device be at radio frequency company
Under continuous wave environment, the exposed igniter wire temperature rise detected by temperature sensor is then acquired by data acquisition equipment, then by data
It reads equipment processing analysis trip temperature of going forward side by side is carried out to the temperature signal data of acquisition and show, realize electric detonation under radio frequency continuous wave
The exposed igniter wire temperature rise testing experiment of device；The emission of radio frequency signals of different amplitudes is realized by adjusting radio-frequency signal generator, is used
Double channels microwave power meter acquires the power on bidirectional coupler；It is fixed flat that electromagnetic field field intensity tester tests tested electro explosive device
Field strength near platform；The temperature rise test system being made of temperature sensor, data acquisition equipment and reading data equipment is to tested electricity
The exposed igniter wire of quick-fried device carries out temperature rise detection；Different radio frequency continuous wave and electro explosive device temperature rise are determined by limited test
Relationship, and the calibrating patterns that different radio frequency continuous wave acts on the lower exposed igniter wire temperature rise of electro explosive device are established, realize radio frequency continuous wave
The prediction of lower electro explosive device temperature rise.
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 (6)
1. electro explosive device temperature prediction system under a kind of radio frequency continuous wave, which is characterized in that by being removably mounted to tested electric detonation
Tested electro explosive device in device fixed platform, and the electromagnetic field field for testing field strength near tested electro explosive device fixed platform
Strong tester, and the temperature rise test system for testing its exposed igniter wire temperature rise of tested electro explosive device, and connect for issuing radio frequency
The radio frequency generator composition of continuous wave；
The temperature rise test system includes the temperature sensor for incuding its exposed igniter wire temperature of tested electro explosive device, and is used for
The data acquisition equipment of temperature collection signal, and the data for the temperature signal data of acquisition to be analyzed and processed and shown
Read equipment；The temperature sensor is electrically connected through data acquisition equipment with reading data equipment；The temperature sensor with by
Its exposed igniter wire of electro explosive device is tried close to placement；
The radio frequency generator includes the radio-frequency signal generator for issuing radiofrequency signal, and for radiofrequency signal to occur
The radiofrequency signal that device issues carries out the wideband power amplifer of signal amplification, and is used for amplified radio signal transmission to heap
Bidirectional coupler on iterated logarithm periodic antenna, and the double channels microwave power meter for acquiring bidirectional coupler operating voltage；
The radio-frequency signal generator successively through wideband power amplifer and its main line of bidirectional coupler and stacks logarithm period day
Line electrical connection；Its by-pass is electrically connected described its measurement end of double channels microwave power meter with bidirectional coupler；
The tested electro explosive device is fixed on tested electro explosive device fixed platform, and it is fixed on bracket；The tested electro explosive device is solid
Spacing is provided between its fixation carriage center of fixed platform and stacking log-periodic antenna center.
2. electro explosive device temperature prediction system under radio frequency continuous wave according to claim 1, which is characterized in that described tested
Electro explosive device is made of lead, igniter wire and medicament, and igniter wire is set in lead, and medicament is wrapped in around igniter wire.
3. the test method of electro explosive device temperature prediction system under a kind of radio frequency continuous wave, which comprises the following steps:
The first step connects laboratory apparatus, tested electro explosive device is fixed on the fixation bracket of tested electro explosive device fixed platform, heap
The fixation carriage center distance of iterated logarithm periodic antenna center and tested electro explosive device fixed platform is fixed as d；
Second step opens radio-frequency signal generator, wideband power amplifer, double channels microwave power meter and electromagnetic field field strength respectively
Tester；Adjustment signal source exports after preheating, and test stacks the transmission power of log-periodic antenna, and observes tested electro explosive device
Whether it is under fire, electricity consumption field strength tester tests the fixed near support field strength E of tested electro explosive device at this time, observes tested
The temperature rise of its exposed igniter wire of electro explosive device；Meanwhile recording double channels microwave power meter reading U, electromagnetic field field intensity tester reading
And the temperature rise T of tested electro explosive device its exposed igniter wire E,；
Third step is repeated second step operation, the Injection Signal for stacking log-periodic antenna is stepped up with the principle of unique step D,
It tests and records 5 groups of test datas；
4th step handles the data mapping analysis of record, determines the relationship of different radio frequency continuous wave Yu electro explosive device temperature rise, real
The prediction of electro explosive device temperature rise under existing radio frequency continuous wave.
4. the test method of electro explosive device temperature prediction system, feature exist under radio frequency continuous wave according to claim 3
In the test in the second step stacks the concrete operation step of the transmission power of log-periodic antenna are as follows: micro- using binary channels
Voltage U on wave power measurement examination bidirectional coupler.
5. the test method of electro explosive device temperature prediction system, feature exist under radio frequency continuous wave according to claim 3
In the concrete operation step of the temperature rise of tested its exposed igniter wire of electro explosive device of observation in the second step are as follows: first remove tested
The medicament of package igniter wire, then places temperature transducer close to exposed igniter wire, by temperature sensor through data in electro explosive device
Acquisition equipment is connect with reading data equipment, and the exposed igniter wire temperature measurement signal of tested electro explosive device is enabled to pass through reading data
Equipment is shown.
6. the test method of electro explosive device temperature prediction system, feature exist under radio frequency continuous wave according to claim 3
In its concrete operation step of the 4th step are as follows:
It is proportional relationship according to double channels microwave power meter reading and the value of electromagnetic field field intensity tester reading, then according to bilateral
Road microwave power meter voltage U and electromagnetic field field intensity tester field strength E obtains relationship between the two, realizes different radio frequency
Signal UiCorresponding field strength Ei:
Ei=k ' Ui, (1)
As known radiofrequency signal U at thisiCorresponding field strength EiProportionate relationship after, be calculated at this according to formula (2)
Power P (W):
P (W)=U2/ 50 Ω, (2)
It obtains reading with the consistent unit of frequency spectrograph further according to formula (3) and formula (4),
P (mW)=1000P (W), (3)
P (dBm)=10log P (mW), (4)
It is obtained according to irradiation field strength with igniter wire temperature rise log ratio k=0.092 and formula (1), (4):
According to formula (5), the relationship of different field strengths Yu naked bridge ignition temperature rise is obtained, to realize under different radio frequency continuous wave
Naked bridge ignition temperature rise is effectively predicted.
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| CN113267098A (en) * | 2021-04-29 | 2021-08-17 | 北京理工大学 | High-field-intensity equivalent test system and method for electromagnetic radiation effect of electric initiating explosive device |
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| 杜斌;颜事龙;孙霖;封青梅;: "对工业电雷管防射频安全距离计算结果的试验验证", 火工品 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267098A (en) * | 2021-04-29 | 2021-08-17 | 北京理工大学 | High-field-intensity equivalent test system and method for electromagnetic radiation effect of electric initiating explosive device |
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