CN201716380U - Testing device for electromagnetic pulse damage of electric initiating explosive device - Google Patents
Testing device for electromagnetic pulse damage of electric initiating explosive device Download PDFInfo
- Publication number
- CN201716380U CN201716380U CN2010202293451U CN201020229345U CN201716380U CN 201716380 U CN201716380 U CN 201716380U CN 2010202293451 U CN2010202293451 U CN 2010202293451U CN 201020229345 U CN201020229345 U CN 201020229345U CN 201716380 U CN201716380 U CN 201716380U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- bridge silk
- probe
- temperature sensor
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006378 damage Effects 0.000 title claims abstract description 18
- 239000002360 explosive Substances 0.000 title claims description 10
- 230000000977 initiatory effect Effects 0.000 title claims description 10
- 238000012360 testing method Methods 0.000 title abstract description 20
- 239000013307 optical fiber Substances 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 20
- 238000010892 electric spark Methods 0.000 abstract description 16
- 230000004044 response Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 230000005670 electromagnetic radiation Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model provides a testing arrangement of electric spark work piece electromagnetic pulse harm is particularly useful for the test of the induced-current of bridgewire formula electric spark work piece. The testing device comprises a fluorescent optical fiber temperature sensor, a bridge wire, lead wires, a bridge wire support and a current regulator, wherein the bridge wire is arc-shaped, two ends of the bridge wire are connected with the positive electrode and the negative electrode of the output end of the current regulator through the two lead wires, and the two lead wires are parallel to each other and fixedly arranged on the bridge wire support; the fluorescent optical fiber probe of the fluorescent optical fiber temperature sensor is close to the middle part of the bridge wire, and the optical fiber probe is coaxial with the symmetric axis of the bridge wire; fluorescent materials can be placed on the probe or the bridgewire according to requirements to realize contact or non-contact measurement. The utility model discloses simple structure, small, light in weight, measurement accuracy height, response speed are fast, anti-electromagnetic interference ability is strong.
Description
Technical field
The utility model relates to a kind of proving installation of device for electromagnetic pulse damage of electric initiating explosive, is specifically related to the faradic test of electric spark workpiece.
Background technology
The electromagnetic pulse damage of research electric spark workpiece is also analyzed and is measured, and the security and the reliability of electric spark workpiece had great importance.In the past, mainly adopted test to judge that qualitatively the judged result error is big for electromagnetic radiation to the harm of electric spark workpiece.Along with the continuous development of science and technology, various electromagnetic radiation source power improve constantly, and make the residing electromagnetic environment of electric spark workpiece abominable unusually.Meanwhile, people improve again gradually to the requirement of its security and reliability, thus to electric spark workpiece carry out electromagnetism implement prerequisite that electromagnetic environment reinforces be exactly to electric spark workpiece the pulse harm under electromagnetic radiation test.
Usually the electromagnetic pulse damage of electric spark workpiece being tested is by measuring the temperature of electric spark workpiece bridge silk, determines induction current on the bridge silk according to the relation of temperature and input current, and then electromagnetic radiation is judged the harm of electric spark workpiece.
Method of testing at present commonly used has following several: (1) with special wax or paper as sensitive material.With wax or paper the bridge silk is wrapped up, judge the temperature of bridge silk according to wax or paper change in color.(2) utilize the bridge silk of big resistance.With the bridge silk bigger former bridge silk is replaced, differentiated temperature by the fusing of big resistance bridge silk than original bridge wire resistance.More than the shortcoming of two kinds of methods be: measurement accuracy is poor, and the reliability of conclusion is not high.(3) utilize thermopair and thermosensitive resistance measurement bridge silk temperature.This method is when carrying out DC experiment, and the result is more satisfactory, but when radiation test, error is very big.Reason is that thermopair and thermistor itself can induce electric current.Another shortcoming of this method of while is that the response time of system is slower.
The utility model content
The utility model is at above shortcomings in the prior art, aim to provide a kind of fluorescence optical fiber temperature measuring equipment that can test device for electromagnetic pulse damage of electric initiating explosive, this fluorescence optical fiber temperature measuring equipment system itself can not introduce interference, and response speed is fast, is applicable to the measurement of device for electromagnetic pulse damage of electric initiating explosive fully.
Faradic test has following requirement for electric spark workpiece: (1) does not destroy the shielding of system under test (SUT) itself, can not introduce electromagnetic interference (EMI) because of the use of tester when test.(2) therefore the thermal response time of typical bridge silk formula electric spark workpiece requires measuring system to follow the tracks of the temperature variation that goes up the bridge silk greatly about tens milliseconds, and promptly the response time wants fast.(3) place for sensing probe can paste bridge silk middle part, guarantee to record the maximum temperature that temperature is the bridge silk, guarantee accuracy, the size of sensing probe must be enough little.(4) because when being subjected to electromagnetic radiation, the probe metal shell can change the electromagnetic field around the bridge silk, thereby has changed the character of induction current of bridging fibril, causes measurement result inaccurate, and therefore the material of probe should be nonmetal.
The proving installation of device for electromagnetic pulse damage of electric initiating explosive provided by the utility model comprises fluorescent optical fiber temperature sensor, bridge silk, lead-in wire, bridge silk bearing and current regulator, its jackshaft silk is circular-arc, and the fluorescence optical fiber of fluorescent optical fiber temperature sensor probe is positioned at the outside of this circular arc, bridge silk two ends are connected with the current regulator output positive and negative charge by two lead-in wires, two lead-in wires are parallel to each other and along continuous straight runs is fixedly set on the bridge silk bearing, and the assemblies that bridge silk and two lead-in wires form are that horizontal direction is axisymmetric; The fluorescence optical fiber of fluorescent optical fiber temperature sensor pop one's head in the middle part of bridge silk, and fibre-optical probe is coaxial with the horizontal direction axis of symmetry of bridge silk; Fluorescent material can be coated in bridge silk middle part, realize non-cpntact measurement, further improve measuring accuracy.
The above-mentioned fluorescent optical fiber temperature sensor of stating is made up of fluorescence optical fiber probe, optics beam splitting system, electronic circuit system and display (being the temperature data display part).
The bridge silk holder part of above-mentioned bridge silk bearing adopts polytetrafluoroethylmaterial material, structurally the design of bridge silk bearing guarantees that the bridge silk is coaxial with the strictness of fluorescence optical fiber probe inlet, make fluorescence optical fiber pop one's head in bridge silk middle part place, so just make easily to record the maximum temperature that temperature is the bridge silk, improved measuring accuracy.
If adopt the contact type measurement mode, then above-mentioned fibre-optical probe carries out the shading encapsulation with black shading plastics to it after fluorescent material is applied to optic fibre end, makes fibre-optical probe try one's best or complete contact bridge silk middle part.
Perhaps above-mentioned fibre-optical probe can directly be aimed at the bridge silk, and bridge silk middle part scribbles fluorescent material, realizes non-cpntact measurement.
Above-mentioned fluorescent optical fiber temperature sensor adopts the LED triggering light.
Be provided with slide rheostat in the above-mentioned current regulator, the output current of current regulator is a direct current.
The utility model is simple in structure, volume is little, in light weight, measuring accuracy is high, response speed is fast, anti-electromagnetic interference capability is strong.Fluorescent optical fiber temperature sensor adopts optical fiber technology, and anti-electromagnetic interference (EMI) can not introduced electromagnetic interference (EMI) because of the use of tester when device for electromagnetic pulse damage of electric initiating explosive is tested, and can carry out under the situation of the shielding of not destroying system under test (SUT) itself fully.Adopt fluorescent technique simultaneously, signal processing mode adopts the fluorescence lifetime type, thereby makes that the total system response speed is fast, can follow the tracks of the temperature variation of bridge silk fully; Because the employing of fluorescent technique can realize non-cpntact measurement, the infringement that can avoid contact type measurement that the bridge silk is caused like this, measuring accuracy height when test; Particularly the fibre-optical probe size is enough little, and fibre-optical probe can paste the placement of bridge silk middle part like this, has guaranteed to record the maximum temperature that temperature is the bridge silk, has guaranteed accuracy.Bridge silk anchor clamps (even bridge silk bearing integral body) adopt teflon, are nonmetallic materials, to the electric current of bridge silk and not influence of electromagnetic field on every side, have guaranteed the accuracy of measurement result; Structurally the design of bearing guarantees that the bridge silk is coaxial with the probe inlet strictness, and place at the middle part so that probe is pasting the bridge silk, so just makes easily to record the maximum temperature that temperature is the bridge silk, has improved measuring accuracy.
Description of drawings
Fig. 1 is the fluorescent optical fiber temperature sensor structural representation.
Sonde configuration synoptic diagram when Fig. 2 carries out contact measurement for fluorescent optical fiber temperature sensor.
The position view of probe and bridge silk when Fig. 3 carries out non-cpntact measurement for fluorescent optical fiber temperature sensor.
Each several part syndeton synoptic diagram when Fig. 4 surveys for the utility model.
Fig. 5 is the input current of the bridge silk of the utility model actual measurement and the matched curve between the temperature variation square root.
The drawing reference numeral explanation:
The 1-fluorescent optical fiber temperature sensor, 11-fibre-optical probe, 111-fibre core; the 112-covering, 113-coat, 114-fluorescent material; 115-shading protective seam, 12-passes light optical fiber, 13-optical fiber interface; 14-temperature value display (being the display part), 15-switch, 16-optical system; 161,162,163-focuses on coupled lens, 164-spectroscope, 17-electronic circuit part; the 18-detector, 19-LED, 2-bridge silk; 3-bridge silk lead-in wire; 4-bridge silk bearing, 41-bridge silk patchhole, 42-optic fibre patchhole; the 5-current regulator; the 51-slide rheostat, 6-stopper, 7-lead.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, fluorescent optical fiber temperature sensor is made up of fluorescence optical fiber Temperature probe (fibre-optical probe), opticator, electronic circuit part and display part.
As shown in Figure 2, this proving installation can be realized contact measurement, and fibre-optical probe carries out the shading encapsulation with black shading plastics to it during measurement after fluorescent material is applied to optic fibre end.Adopt such processing mode can avoid of the influence of extraneous parasitic light on the one hand, make that total system is reliable and stable whole test system; On the other hand, in the time of can avoiding testing fluorescent material be damaged feasible probe stable mechanical performance.
As shown in Figure 3, also can realize non-cpntact measurement during this device to test, during measurement fluorescent material is applied in the middle part of the bridge silk alignment probe fluorescent material.Adopt the mode of non-cpntact measurement, the destruction of can avoiding popping one's head on the one hand to the bridge silk; Can guarantee that on the other hand the temperature that records is the maximum temperature of bridge silk, improve the precision of measuring.
Experimentation is referring to Fig. 4.Give bridge silk input dc power by current regulator by lead-in wire during test, bridge silk temperature will raise, and finally reach thermal equilibrium, promptly reach a maximum temperature.The fluorescence optical fiber probe detection reaches via optical fiber that temperature sensor is handled and is shown in real time by display system to variation of temperature.Change the input current size by slide rheostat, can obtain a pair of electric current one temperature change value.Repeat said process and just can obtain one group of electric current one temperature change value, this group electric current---temperature change value fits to an electric current---temperature change value square root straight line.When electric spark workpiece is carried out the electromagnetic pulse damage test experiments, according to the electric current of the temperature change value that records at this electric spark workpiece---find out corresponding current value on the temperature change value square root curve.In view of the above, can carry out the test of device for electromagnetic pulse damage of electric initiating explosive by this device.
Used bridge wire resistance is 5.7 Ω in the experiment, diameter 12 μ m, long 10mm.。During experiment, giving the priming system input current value, regulate current regulator, by the size of change with bridge silk serial resistance, is that step-length increases progressively with about 5mA, gives the electric current of bridge silk output 0～80mA.
Experimental results show that, the utility model size is little, measuring accuracy is high, response speed is fast, anti-electromagnetic interference capability is strong, having solved other measuring method well and introduce problems such as error, sensitivity and poor stability in electromagnetic radiation field, is a kind of proving installation of device for electromagnetic pulse damage of electric initiating explosive preferably.
Claims (7)
1. the proving installation of device for electromagnetic pulse damage of electric initiating explosive, it is characterized in that: this proving installation comprises fluorescent optical fiber temperature sensor, bridge silk, lead-in wire, bridge silk bearing and current regulator, its jackshaft silk is circular-arc, and the fluorescence optical fiber of fluorescent optical fiber temperature sensor probe is positioned at the outside of this circular arc, bridge silk two ends are connected with the current regulator output positive and negative charge by two lead-in wires, and two lead-in wires are parallel to each other and along continuous straight runs is fixedly set on the bridge silk bearing; The fluorescence optical fiber of fluorescent optical fiber temperature sensor pop one's head in the middle part of bridge silk, and fibre-optical probe is coaxial with the horizontal direction axis of symmetry of bridge silk.
2. proving installation according to claim 1 is characterized in that: described fluorescent optical fiber temperature sensor is made up of fluorescence optical fiber probe, optics beam splitting system, electronic circuit system and display.
3. proving installation according to claim 2 is characterized in that: described fluorescent material is coated in the optic fibre end place of fibre-optical probe, and is encapsulated by the shading of black shading plastics.
4. proving installation according to claim 2 is characterized in that: described fluorescent material is coated on bridge silk middle part, and the optic fibre end place of fibre-optical probe does not seal, and fibre-optical probe is aimed at fluorescent material.
5. according to claim 3 or 4 described proving installations, it is characterized in that: the bridge silk holder part of described bridge silk bearing adopts polytetrafluoroethylmaterial material, structurally the design of bridge silk bearing guarantees that the bridge silk is coaxial with the strictness of fluorescence optical fiber probe inlet, makes the fluorescence optical fiber bridge silk middle part placement of popping one's head in.
6. proving installation according to claim 5 is characterized in that: described fluorescent optical fiber temperature sensor adopts the LED triggering light.
7. proving installation according to claim 6 is characterized in that: be provided with slide rheostat in the described current regulator, the output current of current regulator is a direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202293451U CN201716380U (en) | 2010-06-18 | 2010-06-18 | Testing device for electromagnetic pulse damage of electric initiating explosive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202293451U CN201716380U (en) | 2010-06-18 | 2010-06-18 | Testing device for electromagnetic pulse damage of electric initiating explosive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716380U true CN201716380U (en) | 2011-01-19 |
Family
ID=43462386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202293451U Expired - Fee Related CN201716380U (en) | 2010-06-18 | 2010-06-18 | Testing device for electromagnetic pulse damage of electric initiating explosive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716380U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865961A (en) * | 2010-06-18 | 2010-10-20 | 中国科学院西安光学精密机械研究所 | Testing device for electromagnetic pulse damage of electric initiating explosive device |
| CN108872739A (en) * | 2018-05-10 | 2018-11-23 | 中国人民解放军陆军工程大学 | Equivalent test method for electromagnetic radiation effect of glowing bridge wire type electric explosion device |
| CN114509174A (en) * | 2021-12-29 | 2022-05-17 | 电子科技大学 | Ceramic electrode plug type thin film sensor for measuring temperature of initiating explosive device bridge area |
-
2010
- 2010-06-18 CN CN2010202293451U patent/CN201716380U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865961A (en) * | 2010-06-18 | 2010-10-20 | 中国科学院西安光学精密机械研究所 | Testing device for electromagnetic pulse damage of electric initiating explosive device |
| CN108872739A (en) * | 2018-05-10 | 2018-11-23 | 中国人民解放军陆军工程大学 | Equivalent test method for electromagnetic radiation effect of glowing bridge wire type electric explosion device |
| CN108872739B (en) * | 2018-05-10 | 2020-11-13 | 中国人民解放军陆军工程大学 | Equivalent test method for electromagnetic radiation effect of glowing bridge wire type electric explosion device |
| CN114509174A (en) * | 2021-12-29 | 2022-05-17 | 电子科技大学 | Ceramic electrode plug type thin film sensor for measuring temperature of initiating explosive device bridge area |
| CN114509174B (en) * | 2021-12-29 | 2022-11-08 | 电子科技大学 | Ceramic electrode plug type thin film sensor for measuring temperature of initiating explosive device bridge area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101865961A (en) | Testing device for electromagnetic pulse damage of electric initiating explosive device | |
| CN201680925U (en) | Fluorescence optical fiber temperature sensor based on fluorescence life detection | |
| CN201716380U (en) | Testing device for electromagnetic pulse damage of electric initiating explosive device | |
| CN106124088B (en) | Built-in cable joint temperature optical fiber on-line monitoring sensor | |
| CN103472308B (en) | Layer material is carried out FOUR-POINT PROBE METER and the method for testing thereof of nondestructive measurement | |
| CN205898307U (en) | Infrared temperature probe and body temperature detector | |
| CN205826173U (en) | A kind of test system of quick response hot thermocouple response time | |
| CN107192873A (en) | Non-contact voltage transducer system | |
| CN201016844Y (en) | Light-sensitive detector spectral response test experimental facility | |
| CN111896140A (en) | Optical fiber temperature sensor and system | |
| CN207780101U (en) | Non-contact voltage transducer system | |
| CN204203143U (en) | The light infrared thermal wave pick-up unit of novel thermal insulation layer construction | |
| CN102589739A (en) | Multi-purpose thermocouple microelectrode and manufacturing method thereof | |
| CN105319469B (en) | A kind of thermistor dynamic characteristic measuring device and method | |
| CN205317865U (en) | Thermistor dynamic characteristic measuring device | |
| CN207923998U (en) | A kind of railway power supply equipment patrolling device | |
| CN103439641A (en) | Surface photovoltage method based semiconductor material parameter testing device and testing method | |
| CN203310786U (en) | Automatic detection photoelectric smelting point instrument | |
| RU2684686C1 (en) | Device for non-contact determination of conductor temperature, through which current flows | |
| CN106092995A (en) | A kind of indoor detection probe of fluorescent solutions concentration | |
| CN104849688A (en) | Pulse electric field measurement system signal injection calibration method | |
| CN203479693U (en) | Methane gas detection device | |
| CN203643130U (en) | Evaluation device for welding point of high power optical fiber | |
| CN206479437U (en) | A kind of electrochemical sensor monitored for air corrosion | |
| CN104297417B (en) | The calibration steps of a kind of solid combustion rate tester and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20150618 |
|
| EXPY | Termination of patent right or utility model |