CN204989325U - Lightning integrated transient state electric field time domain testing arrangement - Google Patents
Lightning integrated transient state electric field time domain testing arrangement Download PDFInfo
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- CN204989325U CN204989325U CN201520268878.3U CN201520268878U CN204989325U CN 204989325 U CN204989325 U CN 204989325U CN 201520268878 U CN201520268878 U CN 201520268878U CN 204989325 U CN204989325 U CN 204989325U
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Abstract
The utility model relates to a lightning integrated transient state electric field time domain testing arrangement, including transient state electric field acquisition unit, lightning translation unit, photoelectricity translation unit, luminous power display element and data acquisition and record unit, the beneficial effects are that: compare current transient state electric field time domain test system, through increasing the pulsed attenuator between receiving antenna and the enlarged module of high resistant operation, not only can conveniently adjust the test system and to the measuring range of transient state electric field, can ensure in the measuring range of difference moreover that the test system all has the better frequency response characteristic of uniformity, utilize the high resistant operation to enlarge the module and can eliminate the differential effect of receiving antenna to being surveyed transient state electric field signal, realize active integrating function, make its output signal can directly reflect the time domain characteristic of being surveyed the transient state electric field, through the continued work time of laser power supply can effectively increasing electric field test probe to reduce the volume of electric field test probe by a wide margin, thereby reduce its disturbance effect to being surveyed the transient state electric field.
Description
Technical field
The utility model belongs to electromagnetic field technical field of measurement and test, relates to the transient electric field waving map device that a kind of electric light is integrated.
Background technology
Transient electric field waving map technology is focus and the difficulties of electromagnetic pulse attacking and defending area research, that particularly studies along with electromagnetic compatibility and guard technology deepens continuously, and the transient electric field signal elevating time of needs test is shorter and shorter, spectral range is more and more wider.Traditional frequency domain test system (as biconical antenna, log-periodic antenna etc.) and grow up on this basis broadband time-domain test macro (as load element antenna, TEM electromagnetic horn etc.) due to test bandwidth narrower or use frequency range higher, larger distortion is there is in the waving map of transient electric field, and existing test macro to there is the receiving antenna size that uses too large, be unfavorable for carrying out transient electric field test in the little spaces such as shielding cavity; And the signal transmission cable used mostly is concentric cable, be easily subject to the deficiencies such as the interference of high power, by force transient electric field.In addition, although D-Dot type transient electric field test macro is also widely applied in transient electric field waving map, but its output signal is the differential of tested transient electric field signal, directly cannot reflect the temporal signatures of original transient electric field, need by designing extra integrating circuit or recovering tested transient electric field time domain waveform by digital signal processing mode toward contact.
Utility model content
Technical problem to be solved in the utility model is to provide the integrated transient electric field waving map device of a kind of volume is little, antijamming capability is strong, measurement range is adjustable electric light.
Being the integrated transient electric field waving map device of a kind of electric light for solving the problems of the technologies described above adopted technical scheme, comprising transient electric field collecting unit, electrooptic switching element, photoelectric conversion unit, luminous power display unit and data acquisition and record cell;
The respective input of electrooptic switching element described in the output termination of described transient electric field collecting unit; The light signal output end of described electrooptic switching element connects the optical signal input of described photoelectric conversion unit by optical fiber; The luminous power output terminal of described photoelectric conversion unit connects described electrooptic switching element luminous power input end by optical fiber; The input end of described luminous power display unit and data acquisition and record cell connects the corresponding output end of described photoelectric conversion unit respectively; The power input of described photoelectric conversion unit connects 220V AC power.
Further, described proving installation also comprises the first metal shell T1 and the second metal shell T2; Described second metal shell T2 is provided with louvre; Described electrooptic switching element is enclosed in described first metal shell T1; Described photoelectric conversion unit is encapsulated in described second metal shell T2; Described luminous power display unit to be arranged in described second metal shell on T2 outside surface.
Described transient electric field collecting unit comprises the little extremely sub-receiving antenna E1 ~ E2 and pulse attenuator U1 ~ U2 of electricity; Described electrooptic switching element comprises operation amplifier module U3, photovoltaic battery module U4, boosting Voltage stabilizing module U5, constant current source module U6, electrooptic conversion module U7, capacitance C and resistance R1;
The input end of pulse attenuator U1 described in the output termination of the little extremely sub-receiving antenna E1 of described electricity; The input end of pulse attenuator U2 described in the output termination of the little extremely sub-receiving antenna E2 of described electricity; First in-phase input end of operation amplifier module U3 described in the output termination of described pulse attenuator U1; Second in-phase input end of operation amplifier module U3 described in the output termination of described pulse attenuator U2; The output terminal of described operation amplifier module U3 connects described electrooptic conversion module U7 respective input through described capacitance C and resistance R1 successively; Boost described in the output termination of described photovoltaic battery module U4 the input end of Voltage stabilizing module U5; The power end of described operation amplifier module U3 and constant current source module U6 connects the corresponding output end of described boosting Voltage stabilizing module U5 respectively; The current input terminal of described electrooptic conversion module U7 connects the output terminal of described constant current source module U6.
Described photoelectric conversion unit comprises photoelectric conversion module U8, across resistance amplification module U9, lowering and stabilizing blood pressure module U10, high-power laser light source U11, build-out resistor R2 and sample resistance R3; Described luminous power display unit comprises digital display tube U12;
The output terminal O2 of electrooptic conversion module U7 described in the input termination of described photoelectric conversion module U8; Across the in-phase input end of resistance amplification module U9 described in the output termination of described photoelectric conversion module U8; The described output terminal across resistance amplification module U9 meets the input end O4 of described data acquisition and record cell through described resistance R2; The input end of described lowering and stabilizing blood pressure module U10 and high-power laser light source U11 meets the output terminal O3 of 220V AC power respectively; The output terminal O1 of described high-power laser light source U11 connects the input end of described photovoltaic battery module U4; Lowering and stabilizing blood pressure module U10 input end described in the described power supply termination across resistance amplification module U9; The power end of described photoelectric conversion module U8 connects the output terminal of described lowering and stabilizing blood pressure module U10 through described resistance R3; Described digital display tube U12 is connected in parallel on described resistance R3 two ends.
The little extremely sub-receiving antenna E1 ~ E2 of described electricity is the metal cylinder antenna with high conductivity; The height of metal cylinder antenna is less than 5cm, and diameter is less than 5mm.
Described operation amplifier module U3 be by 3 have high resistant input operational amplifier A DA4857-1 chip and peripheral circuit form.
The digital storage oscilloscope of described data acquisition and record cell to be model be UZTDS2022B.
The model of described pulse attenuator U1 ~ U2 is PSPL5510; The model of described photovoltaic battery module U4 is PPC-6E; The model of described boosting Voltage stabilizing module U5 is MAX8614; The model of described constant current source module U6 is ADN2830; The model of described electrooptic conversion module U7 is JZDFB15P; The model of described photoelectric conversion module U8 is JZPIPFCPC2A; The described model across resistance amplification module U9 is OPA847; The model of described lowering and stabilizing blood pressure module U10 is FAW5D05; The model of described high-power laser light source U11 is SPL2F81-2S; The model of described digital display tube U12 is HOE-LEDRS485V5LB.
The beneficial effects of the utility model are: compare existing transient electric field Time-Domain Measuring System, by increasing pulse attenuator between receiving antenna and high resistant operation amplifier module, not only conveniently can adjust the measurement range of test macro to transient electric field, and can guarantee that in different measurement ranges test macro all has the good frequency response characteristic of consistance; Utilize high resistant operation amplifier module can eliminate the differential effect of receiving antenna to tested transient electric field signal, realize active integrating function, make it output signal the temporal signatures that directly can reflect tested transient electric field; Effectively can be increased the continuous working period of electrical field test probe by laser powered sensor, and significantly reduce the volume of electrical field test probe, thus reduce its disturbance effect to tested transient electric field.
Accompanying drawing explanation
Fig. 1 is the utility model theory diagram.
Fig. 2 is transient electric field collecting unit and electrooptic switching element circuit theory diagrams.
Fig. 3 is photoelectric conversion unit and luminous power display unit circuit schematic diagram.
Embodiment
From the embodiment shown in Fig. 1-3, it comprises transient electric field collecting unit, electrooptic switching element, photoelectric conversion unit, luminous power display unit and data acquisition and record cell;
The respective input of electrooptic switching element described in the output termination of described transient electric field collecting unit; The light signal output end of described electrooptic switching element connects the optical signal input of described photoelectric conversion unit by optical fiber; The luminous power output terminal of described photoelectric conversion unit connects described electrooptic switching element luminous power input end by optical fiber; The input end of described luminous power display unit and data acquisition and record cell connects the corresponding output end of described photoelectric conversion unit respectively; The power input of described photoelectric conversion unit connects 220V AC power.
Further, described proving installation also comprises the first metal shell T1 and the second metal shell T2; Described second metal shell T2 is provided with louvre; Described electrooptic switching element is enclosed in described first metal shell T1; Described photoelectric conversion unit is encapsulated in described second metal shell T2; Described luminous power display unit to be arranged in described second metal shell on T2 outside surface.
Described transient electric field collecting unit comprises the little extremely sub-receiving antenna E1 ~ E2 and pulse attenuator U1 ~ U2 of electricity; Described electrooptic switching element comprises operation amplifier module U3, photovoltaic battery module U4, boosting Voltage stabilizing module U5, constant current source module U6, electrooptic conversion module U7, capacitance C and resistance R1;
The input end of pulse attenuator U1 described in the output termination of the little extremely sub-receiving antenna E1 of described electricity; The input end of pulse attenuator U2 described in the output termination of the little extremely sub-receiving antenna E2 of described electricity; First in-phase input end of operation amplifier module U3 described in the output termination of described pulse attenuator U1; Second in-phase input end of operation amplifier module U3 described in the output termination of described pulse attenuator U2; The output terminal of described operation amplifier module U3 connects described electrooptic conversion module U7 respective input through described capacitance C and resistance R1 successively; Boost described in the output termination of described photovoltaic battery module U4 the input end of Voltage stabilizing module U5; The power end of described operation amplifier module U3 and constant current source module U6 connects the corresponding output end of described boosting Voltage stabilizing module U5 respectively; The current input terminal of described electrooptic conversion module U7 connects the output terminal of described constant current source module U6.
Described photoelectric conversion unit comprises photoelectric conversion module U8, across resistance amplification module U9, lowering and stabilizing blood pressure module U10, high-power laser light source U11, build-out resistor R2 and sample resistance R3; Described luminous power display unit comprises digital display tube U12;
The output terminal O2 of electrooptic conversion module U7 described in the input termination of described photoelectric conversion module U8; Across the in-phase input end of resistance amplification module U9 described in the output termination of described photoelectric conversion module U8; The described output terminal across resistance amplification module U9 meets the input end O4 of described data acquisition and record cell through described resistance R2; The input end of described lowering and stabilizing blood pressure module U10 and high-power laser light source U11 meets the output terminal O3 of 220V AC power respectively; The output terminal O1 of described high-power laser light source U11 connects the input end of described photovoltaic battery module U4; Lowering and stabilizing blood pressure module U10 input end described in the described power supply termination across resistance amplification module U9; The power end of described photoelectric conversion module U8 connects the output terminal of described lowering and stabilizing blood pressure module U10 through described resistance R3; Described digital display tube U12 is connected in parallel on described resistance R3 two ends.
The little extremely sub-receiving antenna E1 ~ E2 of described electricity is the metal cylinder antenna with high conductivity; The height of metal cylinder antenna is less than 5cm, and diameter is less than 5mm.
Described operation amplifier module U3 be by 3 have high resistant input operational amplifier A DA4857-1 chip and peripheral circuit form.
The digital storage oscilloscope of described data acquisition and record cell to be model be UZTDS2022B.
The model of described pulse attenuator U1 ~ U2 is PSPL5510; The model of described photovoltaic battery module U4 is PPC-6E; The model of described boosting Voltage stabilizing module U5 is MAX8614; The model of described constant current source module U6 is ADN2830; The model of described electrooptic conversion module U7 is JZDFB15P; The model of described photoelectric conversion module U8 is JZPIPFCPC2A; The described model across resistance amplification module U9 is OPA847; The model of described lowering and stabilizing blood pressure module U10 is FAW5D05; The model of described high-power laser light source U11 is SPL2F81-2S; The model of described digital display tube U12 is HOE-LEDRS485V5LB.
Electricity small dipole receiving antenna is used for receiving tested transient electric field, realizes field-electricity conversion, tested electric field signal is converted to voltage signal, and is delivered to high resistant input difference operation amplifier module by pulse attenuator; Pulse attenuator is used for controlling to enter the voltage signal magnitude of high resistant input difference operation amplifier module, by arranging different pad values, can adjust the measurement range of test macro, making it all can normally work under feeble field and high field test environment; High resistant input difference operation amplifier module is combined by 3 high speed operation amplifiers and peripheral circuit thereof with high resistant input and forms, this module is by providing high resistant Differential Input and low noise amplification, effectively can eliminate the differential effect of receiving antenna to tested transient electric field signal, realize active integrating function, make it output signal the temporal signatures that directly can reflect tested transient electric field; The voltage signal that high resistant input difference operation amplifier module exports is converted to modulated light signal by electrooptical modulation module, and exports lasing light emitter and opto-electronic receiver all-in-one to by downlink optical fiber; The laser energy that laser powered sensor module is used for uplink optical fibers to transmit is converted to electric energy, and by mu balanced circuit for high resistant input difference operation amplifier module and electrooptical modulation module provide low noise voltage stabilizing to export; Metal shielding is the metal-packaged shell of electrical field test probe, is mainly built-in circuit and provides good EMI shielding capability.
Photoelectric conversion unit and luminous power display unit are primarily of lasing light emitter, photoelectric conversion module, luminous power display module and across compositions such as resistance amplification modules.Lasing light emitter by uplink optical fibers for transient electric field collecting unit and electrooptic switching element provide high-power luminous energy to export; The light signal that electrical field test probe is exported by downlink optical fiber is converted to voltage signal and exports it to luminous power display module and signal conditioning circuit respectively by photoelectric conversion module; By this signal intensity, the light signal strength that luminous power display module exports for showing and characterize downlink optical fiber, can judge whether UNICOM's state of downlink optical fiber and transient electric field collecting unit and electrooptic switching element are in normal operating conditions; Be used for carrying out low noise to the photo-signal that photoelectric conversion module exports across resistance amplification module to amplify across resistance, and be converted into voltage signal, be connected to carry out coupling with the data acquisition of rear end and record cell.Photoelectric conversion unit and luminous power display unit are connected with transient electric field collecting unit and electrooptic switching element with downlink optical fiber by uplink optical fibers.
Photoelectric conversion unit is connected with data acquisition-and-recording unit by 50 Ω concentric cable, data acquisition-and-recording unit carries out high-speed a/d conversion and data acquisition to the analog voltage signal that photoelectric conversion unit exports, and needs show image data and record storage according to application.
The little extremely sub-receiving antenna of electricity that 2 structures are identical forms electric small dipole receiving antenna, tested transient electric field is converted to respectively 2 road voltage signals and transfers to differential type high resistant operation amplifier module through the pulse attenuator that 2 models are identical, low noise amplification is carried out to voltage signal.Wherein, the input impedance of high resistant input difference operation amplifier module is greater than 10
6Ω, its working power is from laser powered sensor, namely the luminous energy that high-power laser light source in photoelectric conversion unit and luminous power display unit sends is transferred to photovoltaic battery module by uplink optical fibers, luminous energy is converted to electric energy by opto-electronic conversion by photovoltaic battery module, and through boosting Voltage stabilizing module for high resistant input difference operation amplifier module provides the negative and positive dual power that can normally work to power.Meanwhile, boosting Voltage stabilizing module is also constant current source module for power supply, and the normal work that constant current source module in charge is electrooptic conversion module provides constant bias current.
The voltage signal that high resistant input difference operation amplifier module exports is through capacitance and 50 Ω build-out resistors, directly modulation is carried out to the bias current of electrooptic conversion module, thus the light signal obtaining changing with input voltage signal Strength Changes exports, this light signal transfers to photoelectric conversion unit and luminous power display unit by downlink optical fiber.
In transient electric field test, the built-in active circuit of electrooptic switching element easily by the disturbing effect of tested transient electromagnetic field, needs to take corresponding electromagnetism interference measure to carry out protective reinforcing.Such as, utilize metal shielding to carry out overall package to the built-in circuit of electrooptic switching element, just effectively can eliminate outside electromagnetic interference impact.For improving the high frequency performance of electrooptic switching element, and reduce its overall volume, reduce its disturbing influence to tested transient electric field, in electrooptic switching element built-in circuit, electronic devices and components used and integrated circuit (IC) chip all adopt SMD and small-sized package.
The luminous energy that high-power laser light source exports is transferred to electrooptic switching element by uplink optical fibers by photoelectric conversion unit and luminous power display unit.Wherein, the output power of high-power laser light source is mainly determined according to the actual power demand of electrooptic switching element and the photoelectric transformation efficiency of photovoltaic battery module.Such as, suppose that the supply voltage of electrooptic switching element is 5V, general power supply current is less than 100mA, then its electric power needed is less than 500mW; If the photoelectric transformation efficiency of photovoltaic battery module 10 can reach 50%, then the output power of lasing light emitter should be not less than 1W.
Photoelectric conversion unit and luminous power display unit receive the light signal of photoelectric conversion unit output by downlink optical fiber, and utilize photoelectric conversion module that this light signal is converted to corresponding photo-signal.Due to this photo-signal usually smaller (μ A level), therefore need by across resistance amplification module to its carry out low noise, high-gain across resistance amplify, be converted into amplitude voltage signal, and carry out signal output by 50 build-out resistors and 50 Ω concentric cable, thus realize being connected with the coupling of high-speed data acquisition and record cell.
The voltage drop that the photo-signal that photoelectric conversion module exports can be formed on sample resistance, luminous power display unit can calculate the power level of institute's transmitting optical signal in downlink optical fiber by detecting this voltage drop, and is utilized digital code display head to show.According to the change of luminous power display numerical value in luminous power display unit, can judge whether UNICOM's state of downlink optical fiber and electrooptic switching element are in normal operating conditions.
Photoelectric conversion unit and luminous power display unit are powered by 220V Alternating Current Power Supply line, and by lowering and stabilizing blood pressure output module, 220V alternating current is converted to low-voltage direct-current output, for providing low noise voltage stabilizing to power across resistance amplification module and luminous power display unit.
Consider electromagnetic interference influence, metal chassis can provide effective electromagnetic screen for photoelectric conversion unit and luminous power display unit.But due to will high-power laser light source be placed in this metal chassis, also need to ensure that it has good radiating effect by perforate on cabinet.
The voltage signal that photoelectric conversion unit and luminous power display unit export carries out high-speed a/d conversion by 50 co-axial cables transport data acquisitions and record cell, and the collection of settling signal and record.Such as, common high-speed figure storage oscilloscope or all can use as data acquisition and record cell based on the industrial computer etc. of Virtual Instrument Development.
The above embodiment is only the preferred embodiments of the present invention, and and non-invention possible embodiments exhaustive.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the principle of the invention and spirit, all should be contemplated as falling with within claims of the present invention.
Claims (8)
1. the transient electric field waving map device that electric light is integrated, is characterized in that: comprise transient electric field collecting unit, electrooptic switching element, photoelectric conversion unit, luminous power display unit and data acquisition and record cell;
The respective input of electrooptic switching element described in the output termination of described transient electric field collecting unit; The light signal output end of described electrooptic switching element connects the optical signal input of described photoelectric conversion unit by optical fiber; The luminous power output terminal of described photoelectric conversion unit connects described electrooptic switching element luminous power input end by optical fiber; The input end of described luminous power display unit and data acquisition and record cell connects the corresponding output end of described photoelectric conversion unit respectively; The power input of described photoelectric conversion unit connects 220V AC power.
2. the transient electric field waving map device that a kind of electric light according to claim 1 is integrated, is characterized in that: also comprise the first metal shell T1 and the second metal shell T2; Described second metal shell T2 is provided with louvre; Described electrooptic switching element is enclosed in described first metal shell T1; Described photoelectric conversion unit is encapsulated in described second metal shell T2; Described luminous power display unit to be arranged in described second metal shell on T2 outside surface.
3. the transient electric field waving map device that a kind of electric light according to claim 2 is integrated, is characterized in that: described transient electric field collecting unit comprises the little extremely sub-receiving antenna E1 ~ E2 and pulse attenuator U1 ~ U2 of electricity; Described electrooptic switching element comprises operation amplifier module U3, photovoltaic battery module U4, boosting Voltage stabilizing module U5, constant current source module U6, electrooptic conversion module U7, capacitance C and resistance R1;
The input end of pulse attenuator U1 described in the output termination of the little extremely sub-receiving antenna E1 of described electricity; The input end of pulse attenuator U2 described in the output termination of the little extremely sub-receiving antenna E2 of described electricity; First in-phase input end of operation amplifier module U3 described in the output termination of described pulse attenuator U1; Second in-phase input end of operation amplifier module U3 described in the output termination of described pulse attenuator U2; The output terminal of described operation amplifier module U3 connects described electrooptic conversion module U7 respective input through described capacitance C and resistance R1 successively; Boost described in the output termination of described photovoltaic battery module U4 the input end of Voltage stabilizing module U5; The power end of described operation amplifier module U3 and constant current source module U6 connects the corresponding output end of described boosting Voltage stabilizing module U5 respectively; The current input terminal of described electrooptic conversion module U7 connects the output terminal of described constant current source module U6.
4. the transient electric field waving map device that a kind of electric light according to claim 3 is integrated, is characterized in that: described photoelectric conversion unit comprises photoelectric conversion module U8, across resistance amplification module U9, lowering and stabilizing blood pressure module U10, high-power laser light source U11, build-out resistor R2 and sample resistance R3; Described luminous power display unit comprises digital display tube U12;
The output terminal O2 of electrooptic conversion module U7 described in the input termination of described photoelectric conversion module U8; Across the in-phase input end of resistance amplification module U9 described in the output termination of described photoelectric conversion module U8; The described output terminal across resistance amplification module U9 meets the input end O4 of described data acquisition and record cell through described resistance R2; The input end of described lowering and stabilizing blood pressure module U10 and high-power laser light source U11 meets the output terminal O3 of 220V AC power respectively; The output terminal O1 of described high-power laser light source U11 connects the input end of described photovoltaic battery module U4; Lowering and stabilizing blood pressure module U10 input end described in the described power supply termination across resistance amplification module U9; The power end of described photoelectric conversion module U8 connects the output terminal of described lowering and stabilizing blood pressure module U10 through described resistance R3; Described digital display tube U12 is connected in parallel on described resistance R3 two ends.
5. the transient electric field waving map device that a kind of electric light according to claim 4 is integrated, is characterized in that: the little extremely sub-receiving antenna E1 ~ E2 of described electricity is the metal cylinder antenna with high conductivity; The height of metal cylinder antenna is less than 5cm, and diameter is less than 5mm.
6. the transient electric field waving map device that a kind of electric light according to claim 5 is integrated, is characterized in that: described operation amplifier module U3 be by 3 have high resistant input operational amplifier A DA4857-1 chip and peripheral circuit form.
7. the transient electric field waving map device that a kind of electric light according to claim 6 is integrated, is characterized in that: the digital storage oscilloscope of described data acquisition and record cell to be model be UZTDS2022B.
8. the transient electric field waving map device that a kind of electric light according to claim 7 is integrated, is characterized in that: the model of described pulse attenuator U1 ~ U2 is PSPL5510; The model of described photovoltaic battery module U4 is PPC-6E; The model of described boosting Voltage stabilizing module U5 is MAX8614; The model of described constant current source module U6 is ADN2830; The model of described electrooptic conversion module U7 is JZDFB15P; The model of described photoelectric conversion module U8 is JZPIPFCPC2A; The described model across resistance amplification module U9 is OPA847; The model of described lowering and stabilizing blood pressure module U10 is FAW5D05; The model of described high-power laser light source U11 is SPL2F81-2S; The model of described digital display tube U12 is HOE-LEDRS485V5LB.
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| CN201520268878.3U CN204989325U (en) | 2015-04-29 | 2015-04-29 | Lightning integrated transient state electric field time domain testing arrangement |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645987A (en) * | 2016-11-30 | 2017-05-10 | 中国电力科学研究院 | System and method for measurement of transient state ground electric field |
| CN106872795A (en) * | 2017-01-20 | 2017-06-20 | 中国电力科学研究院 | A kind of system and method for being measured to transient state space electric field |
| CN107769732A (en) * | 2017-09-15 | 2018-03-06 | 北京交通大学 | The measuring method of the electrification time parameter of solar cell |
| CN108872717A (en) * | 2018-03-28 | 2018-11-23 | 中国人民解放军63653部队 | A kind of small-sized transient pulse electric field measurement system |
| CN109444683A (en) * | 2018-11-06 | 2019-03-08 | 中国科学院电工研究所 | A kind of space electric field transient measurement system of surface dielectric barrier discharge |
| CN112147428A (en) * | 2019-12-26 | 2020-12-29 | 安波福电子(苏州)有限公司 | Electromagnetic compatibility testing system and method |
| CN116449120A (en) * | 2023-06-20 | 2023-07-18 | 中国电力科学研究院有限公司 | High-voltage transient electric field measuring device and method |
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2015
- 2015-04-29 CN CN201520268878.3U patent/CN204989325U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645987A (en) * | 2016-11-30 | 2017-05-10 | 中国电力科学研究院 | System and method for measurement of transient state ground electric field |
| CN106872795A (en) * | 2017-01-20 | 2017-06-20 | 中国电力科学研究院 | A kind of system and method for being measured to transient state space electric field |
| CN107769732A (en) * | 2017-09-15 | 2018-03-06 | 北京交通大学 | The measuring method of the electrification time parameter of solar cell |
| CN108872717A (en) * | 2018-03-28 | 2018-11-23 | 中国人民解放军63653部队 | A kind of small-sized transient pulse electric field measurement system |
| CN108872717B (en) * | 2018-03-28 | 2020-07-07 | 中国人民解放军63653部队 | Small transient pulse electric field measuring system |
| CN109444683A (en) * | 2018-11-06 | 2019-03-08 | 中国科学院电工研究所 | A kind of space electric field transient measurement system of surface dielectric barrier discharge |
| CN112147428A (en) * | 2019-12-26 | 2020-12-29 | 安波福电子(苏州)有限公司 | Electromagnetic compatibility testing system and method |
| CN116449120A (en) * | 2023-06-20 | 2023-07-18 | 中国电力科学研究院有限公司 | High-voltage transient electric field measuring device and method |
| CN116449120B (en) * | 2023-06-20 | 2023-09-08 | 中国电力科学研究院有限公司 | High-voltage transient electric field measuring device and method |
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