CN203275630U - Power frequency electric field probe calibration tester - Google Patents
Power frequency electric field probe calibration tester Download PDFInfo
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- CN203275630U CN203275630U CN 201320189808 CN201320189808U CN203275630U CN 203275630 U CN203275630 U CN 203275630U CN 201320189808 CN201320189808 CN 201320189808 CN 201320189808 U CN201320189808 U CN 201320189808U CN 203275630 U CN203275630 U CN 203275630U
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- probe calibration
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Abstract
The utility model relates to a power frequency electric field probe calibration tester. The calibration tester comprises two parallel polar plates and an electric field circuit, wherein the distance between the two parallel polar plates is adjustable, and an electric field vertical to the two parallel polar plates can be generated between the two parallel plates by the electric field circuit. The positive output terminal and the negative output terminal of the electric field circuit are respectively connected to the two parallel polar plates. The two parallel polar plates are fixedly connected by multiple insulation columns. The two parallel polar plates are square. The four corners of each parallel polar plate are detachably and fixedly connected to the corresponding insulation columns by threaded fasteners, wherein the threaded fasteners are made of insulation materials. The electric field circuit comprises a power frequency power supply, a filter circuit, an inverter circuit and a voltage regulating and stabilizing circuit sequentially and electrically connected. The power frequency electric field probe calibration tester can be used for calibrating and testing electric field detection parts of power frequency electric field probes and power frequency electromagnetic field probes. By employing the calibration tester, measuring errors of the probes at various testing conditions are acquired, so that the probes are further calibrated according to the measuring errors.
Description
Technical field
The utility model relates to a kind of instrument for (referred to as the power frequency electric field probe) calibration of power frequency electric field tester and test use, can be used for equally calibration and the test of the electric field test section of power frequency electromagnetic field tester.
Background technology
power frequency electric field, the accuracy of detection of emf probe can descend gradually along with the prolongation of term of life usually, in the higher application of some testing requirement precision, wish that probe can remain on a higher precision level, if not only increase use cost but send continually national metrological service to demarcate, also easily in transportation, cause the accidental damage of probe in carrying process, the individual or entity of therefore popping one's head in for frequent use, need a kind ofly to can be used for calibrating or the device of detection probe measuring error, to understand easily the accuracy of detection situation of change of probe used.
The utility model content
In order to solve the problems referred to above of prior art, the utility model provides a kind of power frequency electric field probe calibration tester, can be used for calibrating and testing the electric field test section of power frequency electric field probe, power frequency electromagnet Field probe, in order to the measuring error of grasp probe under multiple tested environment, and can further calibrate probe accordingly.
The technical scheme that the utility model adopts is: a kind of power frequency electric field probe calibration tester, comprise mutual spacing from two adjustable parallel plate electrodes and can produce electric field circuit perpendicular to the electric field of pole plate between described two parallel plate electrodes, the positive and negative output terminal of described electric field circuit is connected respectively on described two parallel plate electrodes.
Described two parallel plate electrodes can be fixedly connected with relatively by some insulated columns.
Described two parallel plate electrodes are preferably square, and specification limit can be 20 cm * 20cm～150 cm * 150cm.
Described insulated column is preferably 4, and four jiaos of described two parallel plate electrodes removably are fixedly connected on each self-corresponding described insulated column by threaded fastener respectively, and described threaded fastener is that insulating material is made.
Can be provided with the tested probe fixing device that insulating material is made on one of them described pole plate.
Described tested probe fixing device is preferably the comprehensive adjustable stationary installation of three dimensions.
Described power frequency electric field probe calibration tester can also be provided with the protective cover of insulation transparent and sealing, and described two parallel plate electrodes are positioned at described protective cover.
Described two parallel plate electrodes are preferably copper coin.
Described electric field circuit can comprise power frequency supply, filtering circuit, inverter circuit and the voltage-regulation voltage-stabilization circuit that is electrically connected to successively; the positive and negative output terminal of described voltage-regulation voltage-stabilization circuit consists of the positive and negative output terminal of described electric field circuit, and described electric field circuit is positioned at outside described protective cover.
For above-mentioned any one described power frequency electric field probe calibration tester, also preferably be provided with a gas inlet and outlet on described protective cover, perhaps be provided with simultaneously an air intake opening and a gas outlet, described gas inlet and outlet or place, gas outlet are provided with humidity sensor.
The beneficial effects of the utility model are:
by the output that changes the electric field circuit and/or the spacing that changes two parallel plate electrodes, can simulate the uniform electric field perpendicular to pole plate of determining intensity between two parallel plate electrodes, again by popping one's head in the tested power frequency electric field that is placed in this uniform electric field, the contrast of the electric field data of power frequency electromagnet Field probe, can realize power frequency electric field is popped one's head in, autonomous detection and the calibration of the electric field test section of power frequency electromagnet Field probe, facilitated the user who pops one's head in to grasp the electric field measurement precision of probe, Reduce measurement error, reduce because frequently sending national metrological service to demarcate the use cost that causes.
By humidity sensor and gas inlet and outlet (or supporting air intake opening and gas outlet) are set, can simulate different ambient humidities, thereby grasp varying environment humidity and probe is detected the impact of error, due to relative humidity one timing, the relative error that probe detects is substantially constant, so this device also can be used for the calibration of popping one's head under the different humidity environment.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
Embodiment
The utility model provides a kind of power frequency electric field probe calibration tester, as shown in Figure 1, comprise mutual spacing from two adjustable parallel plate electrodes 1 and can produce electric field circuit 2 perpendicular to the electric field of pole plate between described two parallel plate electrodes, the positive and negative output terminal of described electric field circuit is connected respectively on described two parallel plate electrodes.Described two parallel plate electrodes are copper coin, shape can be rectangle, be preferably square, specification limit can be 20 cm * 20cm～150 cm * 150cm, specifically look by the size of probe header and determine, the size of pole plate should be enough large, makes the probe that is calibrated can not produce significantly impact to the CHARGE DISTRIBUTION on the electrode surface of electric field that pole plate produces.During use, the core sensor of probe partly is placed on the central authorities in space between two parallel plate electrodes.In the present embodiment, the pole plate specification is preferably 100 cm * 100cm.
Connection between described two parallel plate electrodes can be adopted any prior art means under prior art, preferably relatively is fixedly connected with by some insulated columns 3 in the present embodiment.Two parallel plate electrode spacings are adjustable to be realized by the adjusting to the fixed position of every pole plate on insulated column, finally reaches required electric field intensity size.
For the rectangle pole plate, described insulated column is preferably 4, four jiaos of described two parallel plate electrodes can removably be fixedly connected on each self-corresponding described insulated column by threaded fastener respectively, and described threaded fastener is preferably insulating material and makes, and electric field are exerted an influence avoiding.
Be positioned at and can be provided with the tested probe fixing device 4 that insulating material is made on following pole plate, for example the handle portion by static probe makes the Sensor section of probe be positioned at the central authorities in space between two parallel plate electrodes.Described tested probe fixing device is preferably the comprehensive adjustable stationary installation of three dimensions, realize as adopting ball pivot, when utilizing the actual detection of probe in order to simulation, probe is in the different azimuth of space electric field, can conveniently realize detection and calibration to the different directions of three-dimensional probe.
Described power frequency electric field probe calibration tester can also be provided with the protective cover of insulation transparent and sealing, and described two parallel plate electrodes, insulated column, tested probe fixing device are positioned at described protective cover.In calibration process, protective cover is in closed state, is conducive to the simulation of ideal electric field environment.
As everyone knows; humidity is larger on the impact that the power frequency electric field probe detects; in order to grasp the test accuracy of power frequency electric field probe under certain relative humidity environment; can be by a gas inlet and outlet be set on described protective cover; an air intake opening and a gas outlet perhaps are set simultaneously, and are provided with humidity sensor at described gas inlet and outlet or gas outlet place and realize.Before test; make by the mode that deflates in protective cover and be filled with air in the protective cover and be in protective cover under different relative humidity; probe is tested; can draw the modified value of probe accuracy of detection under different humidity; the calibration that detects under large relative humidity environment for probe provides foundation; enlarge the relative humidity usable range of probe with this, reduce test error.Whether reach the humidity of the being scheduled to testing result by humidity sensor in protective cover and judge, regulate by continuing still to turn-off inlet, outlet.
Described electric field circuit can comprise power frequency supply, filtering circuit, inverter circuit and the voltage-regulation voltage-stabilization circuit that is electrically connected to successively, the positive and negative output terminal of described voltage-regulation voltage-stabilization circuit consists of the positive and negative output terminal of described electric field circuit, the pressure regulation part of described voltage-regulation voltage-stabilization circuit is in the duty of boosting usually, is added between the two-plate of up and down by the voltage after raising.Described electric field circuit is positioned at outside described protective cover.In order to debug the output voltage of described electric field circuit, and control the duty of electric field circuit, also be provided with necessary voltage, testing current instrument etc. on described electric field circuit.For the power frequency electric field probe calibration tester of determining, change the output voltage of supply voltage, adjusting electric field circuit, the size that the distance between change two parallel plate electrodes can change the field intensity between two-plate, this size can be used as nominal value, measured value and this nominal value compare by popping one's head in, can draw the relative error that probe detects, realize calibration to probe with this.
Claims (10)
1. power frequency electric field probe calibration tester, it is characterized in that comprising mutual spacing from two adjustable parallel plate electrodes and can produce electric field circuit perpendicular to the electric field of pole plate between described two parallel plate electrodes, the positive and negative output terminal of described electric field circuit is connected respectively on described two parallel plate electrodes.
2. power frequency electric field probe calibration tester as claimed in claim 1, is characterized in that described two parallel plate electrodes are fixedly connected with relatively by some insulated columns.
3. power frequency electric field probe calibration tester as claimed in claim 2, is characterized in that described two parallel plate electrodes are square, and specification is 20 cm * 20 cm～150 cm * 150cm.
4. power frequency electric field as claimed in claim 3 probe calibration tester, it is characterized in that described insulated column is 4, four jiaos of described two parallel plate electrodes removably are fixedly connected on each self-corresponding described insulated column by threaded fastener respectively, and described threaded fastener is that insulating material is made.
5. power frequency electric field probe calibration tester as claimed in claim 4, is characterized in that one of them described pole plate is provided with the tested probe fixing device that insulating material is made.
6. power frequency electric field probe calibration tester as claimed in claim 5, is characterized in that described tested probe fixing device is the comprehensive adjustable stationary installation of three dimensions.
7. power frequency electric field as claimed in claim 6 probe calibration tester is characterized in that also being provided with the protective cover of insulation transparent and sealing, and described two parallel plate electrodes are positioned at described protective cover.
8. power frequency electric field probe calibration tester as claimed in claim 7, is characterized in that described two parallel plate electrodes are copper coin.
9. power frequency electric field as claimed in claim 8 probe calibration tester; it is characterized in that described electric field circuit comprises power frequency supply, filtering circuit, inverter circuit and the voltage-regulation voltage-stabilization circuit that is electrically connected to successively; the positive and negative output terminal of described voltage-regulation voltage-stabilization circuit consists of the positive and negative output terminal of described electric field circuit, and described electric field circuit is positioned at outside described protective cover.
10. as claim 7,8 or 9 described power frequency electric field probe calibration testers; it is characterized in that described protective cover is provided with a gas inlet and outlet; perhaps be provided with simultaneously an air intake opening and a gas outlet, described gas inlet and outlet or place, gas outlet are provided with humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189808 CN203275630U (en) | 2013-04-16 | 2013-04-16 | Power frequency electric field probe calibration tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189808 CN203275630U (en) | 2013-04-16 | 2013-04-16 | Power frequency electric field probe calibration tester |
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| CN203275630U true CN203275630U (en) | 2013-11-06 |
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| CN 201320189808 Expired - Fee Related CN203275630U (en) | 2013-04-16 | 2013-04-16 | Power frequency electric field probe calibration tester |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093147A (en) * | 2014-05-20 | 2015-11-25 | 中国人民解放军63973部队 | Time-domain calibration method for electromagnetic pulse magnetic-field probe |
| CN105425014A (en) * | 2015-11-30 | 2016-03-23 | 工业和信息化部电子第五研究所 | Time domain measurement system, time domain measurement calibration system and time domain measurement calibration verification system for board-level radio frequency current |
| CN105487023A (en) * | 2016-01-21 | 2016-04-13 | 晋江知保企业管理咨询有限公司 | Power frequency magnetic field detection device |
| CN105629083A (en) * | 2016-01-21 | 2016-06-01 | 晋江知保企业管理咨询有限公司 | Power frequency electric field detection device |
| CN106125028A (en) * | 2016-06-14 | 2016-11-16 | 中国科学院电子学研究所 | Electric-field sensor dynamic test caliberating device |
| CN106483485A (en) * | 2016-11-03 | 2017-03-08 | 北京无线电计量测试研究所 | A kind of high strength field sensor calibrating method and system |
| CN107290702A (en) * | 2017-07-26 | 2017-10-24 | 中国电力科学研究院 | A kind of three-dimensional AC electric field sensor calibrating installation and method |
| CN107884631A (en) * | 2017-10-23 | 2018-04-06 | 中国电力科学研究院有限公司 | A kind of method and system for measuring power-frequency electric field strength |
| CN107957567A (en) * | 2017-11-21 | 2018-04-24 | 国网四川省电力公司电力科学研究院 | A kind of calibration system and calibration method for power frequency electric field test system |
| CN108120946A (en) * | 2018-01-18 | 2018-06-05 | 湖南省湘电试验研究院有限公司 | A kind of direct current synthesis field tester calibration device and its application process |
| CN108267704A (en) * | 2018-04-10 | 2018-07-10 | 南京信息工程大学 | Atmospheric electric field detector calibrating platform |
| CN109030889A (en) * | 2018-08-14 | 2018-12-18 | 国网江西省电力有限公司电力科学研究院 | A kind of power frequency electromagnetic field protective materials performance testing device and method |
| CN109164306A (en) * | 2018-07-27 | 2019-01-08 | 国网山东省电力公司电力科学研究院 | The anti-touching line electric field probe of high sensitivity unmanned plane |
| CN109298363A (en) * | 2018-11-01 | 2019-02-01 | 北京东方计量测试研究所 | A kind of Three-dimensional static electric field instrument calibrating installation |
| CN110542875A (en) * | 2019-08-29 | 2019-12-06 | 中国电子科技集团公司第三十八研究所 | device and method for calibrating amplitude and phase of optical fiber type electromagnetic field probe |
| CN113552520A (en) * | 2021-06-17 | 2021-10-26 | 中国电力科学研究院有限公司 | Calculation method for calibration point position of large-gap small-diameter power frequency calibration device |
-
2013
- 2013-04-16 CN CN 201320189808 patent/CN203275630U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093147B (en) * | 2014-05-20 | 2018-11-23 | 中国人民解放军63973部队 | A kind of electromagnetic pulse electric field probe Time Domain Calibration method |
| CN105093147A (en) * | 2014-05-20 | 2015-11-25 | 中国人民解放军63973部队 | Time-domain calibration method for electromagnetic pulse magnetic-field probe |
| CN105425014A (en) * | 2015-11-30 | 2016-03-23 | 工业和信息化部电子第五研究所 | Time domain measurement system, time domain measurement calibration system and time domain measurement calibration verification system for board-level radio frequency current |
| CN105487023A (en) * | 2016-01-21 | 2016-04-13 | 晋江知保企业管理咨询有限公司 | Power frequency magnetic field detection device |
| CN105629083A (en) * | 2016-01-21 | 2016-06-01 | 晋江知保企业管理咨询有限公司 | Power frequency electric field detection device |
| CN106125028A (en) * | 2016-06-14 | 2016-11-16 | 中国科学院电子学研究所 | Electric-field sensor dynamic test caliberating device |
| CN106483485B (en) * | 2016-11-03 | 2019-04-30 | 北京无线电计量测试研究所 | A kind of high strength field sensor calibrating method |
| CN106483485A (en) * | 2016-11-03 | 2017-03-08 | 北京无线电计量测试研究所 | A kind of high strength field sensor calibrating method and system |
| CN107290702A (en) * | 2017-07-26 | 2017-10-24 | 中国电力科学研究院 | A kind of three-dimensional AC electric field sensor calibrating installation and method |
| CN107290702B (en) * | 2017-07-26 | 2024-01-19 | 中国电力科学研究院 | Three-dimensional alternating current electric field sensor calibration device and method |
| CN107884631A (en) * | 2017-10-23 | 2018-04-06 | 中国电力科学研究院有限公司 | A kind of method and system for measuring power-frequency electric field strength |
| CN107884631B (en) * | 2017-10-23 | 2020-08-07 | 中国电力科学研究院有限公司 | Method and system for measuring power frequency electric field intensity |
| CN107957567A (en) * | 2017-11-21 | 2018-04-24 | 国网四川省电力公司电力科学研究院 | A kind of calibration system and calibration method for power frequency electric field test system |
| CN108120946A (en) * | 2018-01-18 | 2018-06-05 | 湖南省湘电试验研究院有限公司 | A kind of direct current synthesis field tester calibration device and its application process |
| CN108267704A (en) * | 2018-04-10 | 2018-07-10 | 南京信息工程大学 | Atmospheric electric field detector calibrating platform |
| CN109164306A (en) * | 2018-07-27 | 2019-01-08 | 国网山东省电力公司电力科学研究院 | The anti-touching line electric field probe of high sensitivity unmanned plane |
| CN109030889A (en) * | 2018-08-14 | 2018-12-18 | 国网江西省电力有限公司电力科学研究院 | A kind of power frequency electromagnetic field protective materials performance testing device and method |
| CN109298363A (en) * | 2018-11-01 | 2019-02-01 | 北京东方计量测试研究所 | A kind of Three-dimensional static electric field instrument calibrating installation |
| CN110542875A (en) * | 2019-08-29 | 2019-12-06 | 中国电子科技集团公司第三十八研究所 | device and method for calibrating amplitude and phase of optical fiber type electromagnetic field probe |
| CN113552520A (en) * | 2021-06-17 | 2021-10-26 | 中国电力科学研究院有限公司 | Calculation method for calibration point position of large-gap small-diameter power frequency calibration device |
| CN113552520B (en) * | 2021-06-17 | 2023-12-08 | 中国电力科学研究院有限公司 | Calculation method for calibration point position of power frequency calibration device with large gap and small diameter |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20140416 |