CN114706029B - Six-dimensional electric field generator - Google Patents
Six-dimensional electric field generator Download PDFInfo
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- CN114706029B CN114706029B CN202210342342.6A CN202210342342A CN114706029B CN 114706029 B CN114706029 B CN 114706029B CN 202210342342 A CN202210342342 A CN 202210342342A CN 114706029 B CN114706029 B CN 114706029B
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- 230000005684 electric field Effects 0.000 title claims abstract description 99
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 5
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
- G01R35/007—Standards or reference devices, e.g. voltage or resistance standards, "golden references"
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a six-dimensional electric field generator which is characterized in that the six-dimensional electric field generator is of a sphere structure, 12 sections are uniformly distributed on the surface of the sphere, 6 sections are distributed on each hemisphere, the sections are circular, the 12 circular sections are tangent to each other in pairs, and a group of opposite sections in the 12 sections are parallel to each other; a circular single-sided copper-clad plate is arranged on the inner surface of the section and used as a polar plate, and every two parallel polar plates in the 12 polar plates form parallel plates to form six pairs of parallel plates; a non-inductive resistor is arranged at the edge between each pair of parallel polar plates, an electric field is generated between the polar plates of the parallel polar plates after each pair of parallel polar plates are connected with signals, six pairs of parallel polar plates form a six-dimensional space electromagnetic field, and the conversion of single-dimensional and six-dimensional electric fields and the alternate conversion of six groups of single-dimensional electric fields can be realized. The invention is used for calibrating isotropy of the omnidirectional electric field sensor, can realize that the input small signal generates larger comprehensive field intensity, and can also be used for testing the electromagnetic radiation interference resistance of DC and 20 Hz-10 MHz small-sized equipment or devices.
Description
Technical Field
The invention relates to the technical field of radio electronics electromagnetic field metering, in particular to a six-dimensional electric field generator.
Background
In radio electronics metering work, field intensity calibration is an important technical basis for electromagnetic compatibility measurement test, a field intensity sensor is an important device for electromagnetic compatibility measurement, an omnidirectional field intensity sensor is generally spherical, calibration parameters of the omnidirectional field intensity sensor comprise indexes such as field intensity accuracy, frequency response and isotropy, a calibration device mainly comprises a parallel plate calibration device, a transverse electromagnetic wave transmission chamber, a waveguide chamber, a standard horn antenna radiation device in an anechoic chamber and the like, and a six-dimensional field intensity generator is used for isotropy calibration of the omnidirectional field intensity sensor and can also be used for radiation resistance test of low-frequency-band small equipment.
When the isotropy of the omnidirectional field intensity sensor is calibrated, a radiation field can only be generated in a single direction, measurement of different radiation directions of the omnidirectional field intensity sensor is not realized, the isotropy is not fully checked, and therefore larger deviation exists in isotropy evaluation of the sensor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a six-dimensional electric field generator aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
The invention provides a six-dimensional electric field generator which is of a sphere structure, wherein 12 sections are uniformly distributed on the surface of the sphere, 6 sections are distributed on each hemisphere, the sections are circular, the 12 circular sections are tangent to each other in pairs, and a group of opposite sections in the 12 sections are parallel to each other; a circular single-sided copper-clad plate is arranged on the inner surface of the section and used as a polar plate, and every two parallel polar plates in the 12 polar plates form parallel plates to form six pairs of parallel plates; a non-inductive resistor is arranged at the edge between each pair of parallel polar plates, an electric field is generated between the polar plates of the parallel polar plates after each pair of parallel polar plates are connected with signals, six pairs of parallel polar plates form a six-dimensional space electromagnetic field, and the conversion of single-dimensional and six-dimensional electric fields and the alternate conversion of six groups of single-dimensional electric fields can be realized.
Further, in the invention, a mounting area is selected as a bracket mounting position in an area formed by three adjacent circular arcs of three adjacent circular planes of the sphere.
Further, in the invention, a region formed by three adjacent circular arcs of three adjacent circular planes of the sphere is selected, a 12-core small socket is installed in the region, 6 groups of parallel plates are respectively connected in the socket joint by adopting 6 two-core shielding cables, 12 core wires of the 6 cables are connected to the 12-core joint, and the 12-core socket is used for externally connecting a signal switch and a signal source.
Further, the six-dimensional electric field generator is calibrated isotropy through an electric field sensor; the method comprises the following steps:
when the isotropy of the omnidirectional electric field sensor is calibrated, the electric field sensor is placed at the center of the inside of the sphere, electric fields with the same size are generated among six parallel plates in turn, the omnidirectional electric field sensor measures the electric field intensity of each dimension, and the isotropy of the sensor can be obtained by calculating the standard deviation of the electric field intensity of the six dimensions.
Further, when six-dimensional electric fields are used and simultaneously act on the omnidirectional electric field sensor, the measured value of the omnidirectional electric field sensor is more than 3 times of the single-dimensional electric field strength.
Further, the design parameters of the six-dimensional electric field generator are as follows: the diameter of the sphere is 420mm, the cross section of the sphere is phi 216mm circular, the single-sided copper clad laminate is phi 210mm circular, the parallel plate spacing is about 360mm, and the noninductive resistance is 50Ω.
Further, the omnidirectional electric field sensor has the following overall dimensions: the sphere is not more than phi 120mm, and the square is not more than 80×80×120mm.
Further, the control method of the six-dimensional electric field generator comprises the following steps:
When a direct current or alternating signal is applied to a certain group of parallel plates, the parallel plates become positive and negative electrodes, the alternating signal is regarded as positive and negative phases, electric lines of force are generated between the positive and negative electrodes, innumerable electric lines of force form an electric field, a uniform electric field is formed in the central area of the parallel plates, an electric field sensor arranged in the central area senses the electric field, measurement is carried out on the electric field, the residence time of a single-dimensional electric field signal is not less than 10s, measurement data are sufficiently stable, and when a six-dimensional electric field acts on an omnidirectional electric field sensor at the same time, the measurement value of the omnidirectional electric field sensor is increased.
The invention has the beneficial effects that: the six-dimensional electric field generator is used for calibrating isotropy of an omnidirectional (three-dimensional) electric field sensor, can realize that input small signals generate larger comprehensive field intensity, and can also be used for testing the electromagnetic radiation interference resistance of DC and 20 Hz-10 MHz small-sized equipment or devices.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic top view of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in FIG. 1, the six-dimensional electric field generator in the embodiment of the invention is in a sphere structure, the diameter of the sphere is 420mm, 12 sections are uniformly distributed on the surface, 6 sections are distributed on each hemisphere, the sections are phi 216 (mm) round, 12 circles are tangent to each other two by two, one group of opposite 12 sections are parallel to each other, a round single-sided copper-clad plate phi 210 (mm) is arranged on the inner surface of each section as a polar plate, every two parallel polar plates in the 12 polar plates form parallel plates to form six pairs of parallel plates, the distance between the parallel plates is about 360mm, a 50 omega non-inductive resistor is arranged at the edge between each pair of parallel polar plates, an electric field is generated between the polar plates of the parallel plates after each pair of parallel plates is connected with a signal, and six pairs of parallel plates form a six-dimensional space electromagnetic field, so that single-dimensional and six-dimensional electric field conversion can be realized, and six-dimensional electric field alternate conversion can also be realized. When the isotropy of the omnidirectional electric field sensor is calibrated, the electric field sensor is placed at the center of the inside of the sphere, electric fields with the same size are generated among six parallel plates in turn, the omnidirectional electric field sensor measures the electric field intensity of each dimension, and the isotropy of the sensor can be obtained by calculating the standard deviation of the electric field intensity of the six dimensions.
When six-dimensional electric fields are used and act on the omnidirectional electric field sensor at the same time, the measured value of the omnidirectional electric field sensor is obviously increased compared with that of the omnidirectional electric field sensor in a single dimension, and the measured value is more than 3 times of that of the omnidirectional electric field sensor in the single dimension.
The overall dimension of the omnidirectional electric field sensor is as follows: the sphere is not more than phi 120 (mm), and the square is not more than 80×80×120 (mm).
Working principle: when a direct current or alternating signal (voltage is set as X) is applied to a certain group of parallel plates, the parallel plates become positive and negative electrodes (the alternating signal can be regarded as positive phase and negative phase), electric lines of force are generated between the positive electrode and the negative electrode, innumerable electric lines of force form an electric field, a more uniform electric field is formed in a region with the center phi 80 multiplied by 120 (mm) of the parallel plates, the field intensity amplitude is about 2.8X (V/m), an electric field sensor arranged in the central region senses the electric field, the electric field is measured and displayed, the residence time of a single-dimensional electric field signal is not less than 10s, so that the measured data are fully stable, and when a six-dimensional electric field acts on an omnidirectional electric field sensor at the same time, the measured value of the omnidirectional electric field sensor is remarkably increased.
Feeding: and selecting an area to be installed as a bracket installation position in an area formed by three adjacent circular arcs of three adjacent circular planes of the sphere, selecting an area to be installed with a 12-core small socket (shown as a socket phi 20mm in figure 1), respectively connecting 6 groups of parallel plates in a joint by adopting 6 two-core shielded cables, and connecting 12 core wires of the 6 cables to the 12-core joint. Each group of input signals ranges from 0.1V to 7.2V, and the corresponding field intensity is from 0.28V/m to 20V/m, so that the isotropic calibration requirement is met. The 12-core socket is used for externally connecting the signal switch and the signal source.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (6)
1. The six-dimensional electric field generator is characterized in that the six-dimensional electric field generator is of a sphere structure, 12 sections are uniformly distributed on the surface of the sphere, 6 sections are distributed on each hemisphere, the sections are circular, the 12 circular sections are tangent to each other in pairs, and a group of opposite sections in the 12 sections are parallel to each other; a circular single-sided copper-clad plate is arranged on the inner surface of the section and used as a polar plate, and every two parallel polar plates in the 12 polar plates form parallel plates to form six pairs of parallel plates; a non-inductive resistor is arranged at the edge between each pair of parallel polar plates, an electric field is generated between the polar plates of the parallel plates after each pair of parallel plates are connected with signals, six pairs of parallel plates form a six-dimensional space electromagnetic field, single-dimensional and six-dimensional electric field conversion can be realized, and six groups of single-dimensional electric fields can be alternately converted;
selecting a region formed by three adjacent circular arcs of three adjacent circular planes of the sphere, and installing a 12-core small socket in the region, wherein 6 two-core shielding cables are respectively connected with 6 groups of parallel plates in the socket connector, 12 core wires of the 6 cables are connected to the 12-core connector, and the 12-core socket is used for externally connecting a signal switch and a signal source;
the six-dimensional electric field generator is calibrated isotropy through an electric field sensor; the method comprises the following steps:
when the isotropy of the omnidirectional electric field sensor is calibrated, the electric field sensor is placed at the center of the inside of the sphere, electric fields with the same size are generated among six parallel plates in turn, the omnidirectional electric field sensor measures the electric field intensity of each dimension, and the isotropy of the sensor can be obtained by calculating the standard deviation of the electric field intensity of the six dimensions.
2. The six-dimensional electric field generator of claim 1, wherein a mounting area is selected as a bracket mounting location in an area formed by three circular arcs adjacent to each other in adjacent three circular planes of the sphere.
3. The six-dimensional electric field generator according to claim 1, wherein when six-dimensional electric fields are used while acting on the omnidirectional electric field sensor, the omnidirectional electric field sensor measures 3 times or more the intensity of the single-dimensional electric field.
4. The six-dimensional electric field generator of claim 1, wherein the design parameters of the six-dimensional electric field generator are: the diameter of the sphere is 420mm, the cross section of the sphere is phi 216mm circular, the single-sided copper clad laminate is phi 210mm circular, the parallel plate spacing is about 360mm, and the noninductive resistance is 50Ω.
5. The six-dimensional electric field generator of claim 1, wherein the omnidirectional electric field sensor has a physical dimension: the sphere is not more than phi 120mm, and the square is not more than 80×80×120mm.
6. The six-dimensional electric field generator according to claim 1, wherein the control method of the six-dimensional electric field generator is as follows:
When a direct current or alternating signal is applied to a certain group of parallel plates, the parallel plates become positive and negative electrodes, the alternating signal is regarded as positive and negative phases, electric lines of force are generated between the positive and negative electrodes, innumerable electric lines of force form an electric field, a uniform electric field is formed in the central area of the parallel plates, an electric field sensor arranged in the central area senses the electric field, measurement is carried out on the electric field, the residence time of a single-dimensional electric field signal is not less than 10s, measurement data are sufficiently stable, and when a six-dimensional electric field acts on an omnidirectional electric field sensor at the same time, the measurement value of the omnidirectional electric field sensor is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210342342.6A CN114706029B (en) | 2022-03-31 | 2022-03-31 | Six-dimensional electric field generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210342342.6A CN114706029B (en) | 2022-03-31 | 2022-03-31 | Six-dimensional electric field generator |
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| CN114706029A CN114706029A (en) | 2022-07-05 |
| CN114706029B true CN114706029B (en) | 2024-05-28 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19647830A1 (en) * | 1996-11-19 | 1998-05-20 | Hubertus Maschek | Field sensor for measuring magnetic and/or electric fields |
| JP2009156661A (en) * | 2007-12-26 | 2009-07-16 | Shibaura Institute Of Technology | Three dimensional electric field sensor |
| CN102830382A (en) * | 2011-06-16 | 2012-12-19 | 中国科学院空间科学与应用研究中心 | Cylindrical capacitance type simulation electric field generator |
| FR2979742A1 (en) * | 2011-09-07 | 2013-03-08 | Commissariat Energie Atomique | GENERATOR OF A HOMOGENEOUS MAGNETIC FIELD |
| CN108828485A (en) * | 2018-03-19 | 2018-11-16 | 北京无线电计量测试研究所 | A kind of field intensity probe omni-directional calibration system, method and holder device |
| CN108919152A (en) * | 2018-04-20 | 2018-11-30 | 福建省计量科学研究院（福建省眼镜质量检验站） | The magnetic sensitivity three-dimensional verification system and method for vibration and shock transducer |
| CN113325353A (en) * | 2021-07-09 | 2021-08-31 | 中国科学院上海微系统与信息技术研究所 | Magnetometer spatial attitude calibration method and system |
-
2022
- 2022-03-31 CN CN202210342342.6A patent/CN114706029B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19647830A1 (en) * | 1996-11-19 | 1998-05-20 | Hubertus Maschek | Field sensor for measuring magnetic and/or electric fields |
| JP2009156661A (en) * | 2007-12-26 | 2009-07-16 | Shibaura Institute Of Technology | Three dimensional electric field sensor |
| CN102830382A (en) * | 2011-06-16 | 2012-12-19 | 中国科学院空间科学与应用研究中心 | Cylindrical capacitance type simulation electric field generator |
| FR2979742A1 (en) * | 2011-09-07 | 2013-03-08 | Commissariat Energie Atomique | GENERATOR OF A HOMOGENEOUS MAGNETIC FIELD |
| CN108828485A (en) * | 2018-03-19 | 2018-11-16 | 北京无线电计量测试研究所 | A kind of field intensity probe omni-directional calibration system, method and holder device |
| CN108919152A (en) * | 2018-04-20 | 2018-11-30 | 福建省计量科学研究院（福建省眼镜质量检验站） | The magnetic sensitivity three-dimensional verification system and method for vibration and shock transducer |
| CN113325353A (en) * | 2021-07-09 | 2021-08-31 | 中国科学院上海微系统与信息技术研究所 | Magnetometer spatial attitude calibration method and system |
Non-Patent Citations (2)
| Title |
|---|
| Development of spherical sensor electric field strength measuring method;Eugenia V. Rumyantseva;2016 International Siberian Conference on Control and Communications;20161231;正文第1-4页 * |
| 平行板型三维脉冲电场传感器的研制;徐远哲;高成;李炎新;周璧华;常芸芬;;高电压技术;20080331(第03期);第471-475页 * |
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