CN102830383A - Atmospheric electric field calibration system with high precision and wide range - Google Patents
Atmospheric electric field calibration system with high precision and wide range Download PDFInfo
- Publication number
- CN102830383A CN102830383A CN2011101621320A CN201110162132A CN102830383A CN 102830383 A CN102830383 A CN 102830383A CN 2011101621320 A CN2011101621320 A CN 2011101621320A CN 201110162132 A CN201110162132 A CN 201110162132A CN 102830383 A CN102830383 A CN 102830383A
- Authority
- CN
- China
- Prior art keywords
- electric field
- calibration system
- stainless steel
- field calibration
- potential plate
- 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.)
- Granted
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to an atmospheric electric field calibration system with high precision and wide range. The atmospheric electric field calibration system comprises an electric field generator (21), a direct-current high-voltage power supply (22), a direct-current middle-voltage power supply (23), a direct-current low-voltage power supply (24), a high precision high-voltage ammeter (25), a digital ammeter (26), a high precision digital ammeter (27), a data acquisition card (28), an equal precision universal counter (29), a universal oscilloscope (210), a universal computer and data processing module (211), a super isolating transformer (213), an independent specific grounding wire (214) and the like; the atmospheric electric field calibration system is characterized in that the most important equipment of the atmospheric electric field calibration system with high precision and wide range is the simulation electric field generator (21), and the ratio of the diameters to the distance of high and low level plates is not less than 3. The total design error of the electric field calibration system provided by the invention is 1%; and the electric field calibration range is 0-100kV/m, the precision is high, the range is wide, and the interference resistance is strong.
Description
Technical field
The present invention relates to a kind of to weighing the calibration system of surveying instrument performance, particularly a kind of atmospheric electric field calibration system of high-precision wide range of the industry standard as meteorological department.
Background technology
Atmospheric electric field is one of principal character property parameter in the forming processes such as thunderstorm, hail, sandstorm and earthquake, and electric field measurement is to guarantee the lift-off of spacecraft safety, weather forecast, the important means of research space environment and space physics, Space Weather.The detection of electric field has for a long time caused multidisciplinary scientific and technical personnel's concern with research.
In the world, electric field measuring apparatus is widely used in safety monitoring and the early warning that scientific measurement, near the monitoring of the static environment of high voltage dc power transmission line, the lift-off safety guarantee of spacecraft, industrial factories and miness (like paper mill, wallpaper factory, printing house, refinery, explosive factory, tank farm and mine) etc. have been prone to static, have been subject to the place of static and thunder disaster.Developed ground, airborne, ball carries, arrow carries, spaceborne electric field instrument, and has set up the electric field calibration system of electric field standard or benchmark.The USSR (Union of Soviet Socialist Republics) has set up 24 * 24 * 10m electric field modular system
[1]The U.S. has set up precision and has reached 0.3% electric field calibration system
[2]The technical standard that IEEE has issued a DC electric field ionization meter in nineteen ninety, the authentication that this standard is passed through ANSI October 12 nineteen ninety.The stated accuracy of this standard electric field is decided to be 1%.
Though China starts late to the development of electric field measurement instrument, the history in year surplus in the of 40 is also arranged, family surplus the unit of development has 10.China's ground electric field appearance of operation now has hundreds of, is mainly used in the early warning to diastrous weather.Yet electric field is China's unique electricity parameter of not setting up national standard or benchmark at present.No matter be the ground electric field appearance, or the electric field sonde, because China does not set up the calibration system of unified electric field standard, its authenticity or credibility of measuring numerical value is difficult to confirm.The domestic and international manufacturer of the atmospheric electric field detector that uses in China at present like National Meteorological Bureau in 2006 tissue has carried out 4 months by a definite date comparison test in area, Xishuangbanna, Yunnan.The result not same type instrument of commensurate's development differs greatly in the result of the same time measurement in same place.Set up the electric field standard and the electric field calibration system of unification of the motherland, with the standardization of guaranteeing the electric field measurement instrument and the consistance of performance.Help implementing of ISO9000 quality management and quality assurance, for the capability of independent innovation that further promotes China provides technical support.Remedy the defective that does not only have the electric field standard in all parameters of China's electricity, fill the domestic gaps.
Patent No. ZL 200420006920.6 has announced a kind of caliberating device of electric field measurement instrument, although it has good linearity, can be used for the demarcation that ground electric field appearance, ball carry two ball electric field instruments and low baking temperature arrow electric field instrument.But because the restriction of technical conditions at that time, error is bigger, is about 9%, has satisfied not the requirement that electric field measurement improves day by day, and the record of timing signal operation and data adopts manual type fully, and the authenticity of data also is difficult to avoid artificial factor.Building up of this electric field calibration system both can be used as the demarcation of electric field instrument, can be used as the electric field simulation signal source again; Native system design error 1%, actual root-mean-square error is 0.365%., almost near the error of the high precision electric field calibration system 0.3% of the U.S.; The demarcation of the low side of electric field instrument also is reduced to 5V/m from the 500V/m of ZL 200420006920.6; Almost improve 100 times, especially in calibration process, adopted control and record automatically; Avoid artificial factor, can represent the performance of being demarcated electric field instrument itself really.
Summary of the invention
The objective of the invention is to, set up a high-precision electric field calibration system, require system accuracy height, broad quantum, strong interference immunity, the overall design error is 1%, and develops and can produce evenly and the simulate electric field generator of steady electric field.
For realizing the foregoing invention purpose; The atmospheric electric field calibration system of a kind of high-precision wide range provided by the invention, this atmospheric electric field calibration system comprises: stainless steel simulate electric field generator 21, the DC high-voltage power supply 22, direct current voltage source 23 and the Dc low voltage power supply 24 that are used for producing simulate electric field that atmospheric electric field calibration system 0V/m-100kV/m is provided, high stability provide respectively the stainless steel noble potential plate 1 that is applied in the simulate electric field generator 21 and the various numerical value of 0-20kV between the electronegative potential plate 2 voltage, high-precision high voltage ammeter 25, digital electric meter 26, high accuracy number ammeter 27 and A/D data collecting card 28, etc. precision universal counter 29, general purpose oscialloscope 210, multi-purpose computer and control and data processing module 211, super isolating transformer 213.Standalone dedicated ground wire 214; It is characterized in that; Described simulate electric field generator comprises a base 28 and the cylindrical stainless steel shielding outer cover 29 that is fixed on this base 28, and the coaxial setting in inside of described cylindrical stainless steel shielding outer cover 29 is made up of the plane-parallel capacitor of simulate electric field generator main body two blocks of circular stainless steel noble potential plates that are parallel to each other 1 and electronegative potential plate 2; Described cylindrical stainless steel shielding outer cover 29 is provided with high insulating terminal 11 and low tension terminal 12; Described high insulating terminal 11 is connected with the noble potential plate; Described low tension terminal 12 is connected with the electronegative potential plate, and (annotate: different ratios have different errors to the diameter of described stainless steel noble potential plate 1 and electronegative potential plate 2, and ratio is bigger with gap ratio >=3; Precision is higher, but processing is more difficult.)。The 5th, the design's optimum ratio.
A kind of improvement as technique scheme; There is a perforate center of described stainless steel electronegative potential plate 1, and places the electric field instrument probe through steel flange dish 3, and the part of the outstanding electronegative potential plate of this electric field instrument probe is up to 40mm; Under the situation that does not influence error, maximum can only be 40mm.
Another kind as technique scheme improves, and between described stainless steel noble potential plate 1 and the electronegative potential plate 2, some conducting rings 5 is installed and waits divider resistance 6 to constitute the equipotential layer along the panel edges equidistance, reduces the influence of edge effect.
Improve as the another kind of technique scheme, described noble potential plate 1, electronegative potential plate 2 and ring flange 3 adopt nonmagnetic 304# stainless steel to process.Noble potential plate 1 is designed to circular plate type with electronegative potential plate 2.
Improve as the another kind of technique scheme, the radius of described stainless steel shielding outer cover 9 and the ratio of current potential plate radius are 2.5 times of distance between the two current potential plates.
Another kind as technique scheme improves; Described DC high-voltage power supply 22; Voltage source 23 in the direct current; Dc low voltage power supply 24 provides the output voltage of scope between 0-20kV respectively, guaranteed that simulate electric field generator 21 produces the electric field value of 0V/m-100kV/m, has realized that the atmospheric electric field calibration system is 0V/m-100kV/m to the electric field calibration range of electric field instrument.
Another kind as technique scheme improves; Described digital electric meter 26 is used to measure DC high-voltage power supply 22, and voltage source 23 in the direct current; The output voltage of Dc low voltage power supply 24; Wherein, digital electric meter 26 has RS232 or USB and the compatible IO interface of computing machine, measured voltage numerical value is directly imported computing machine be converted into corresponding simulate electric field value through control corresponding and data processing module 211.
Another kind as technique scheme improves, and described calibration system also comprises super isolating transformer 213, and these super isolating transformer 213 common modes are restrained than being 120dB.
Improve as the another kind of technique scheme, the radius of the stainless steel shielding outer cover of simulate electric field generator 21 and the ratio of current potential plate radius are 2.5 times of distance between the two current potential plates.
Another kind as technique scheme improves; Described high accuracy number ammeter 27 or 16 A/D data collecting cards 28; Be used to measure the voltage output of atmospheric electric field detector main frame; High accuracy number ammeter 27 has RS232 or USB and the compatible IO interface of computing machine, and is directly inputted to computing machine and is converted into corresponding electric field value to be measured through control corresponding and data processing module 211.
Another kind as technique scheme improves, and the stainless steel platform of simulate electric field generator and placement simulate electric field generator thereof forms the equipotential body with the stainless steel laboratory table of placing support equipment through special-purpose ground wire.
Another kind as technique scheme improves, and in the electric field instrument calibration process, data is adopted full-automatic record.
The invention has the advantages that; The present invention adopts a kind of atmospheric electric field calibration system of high-precision wide range; Wherein most critical equipment is simulate electric field generator 1; Can produce the even and constant simulate electric field of 0V/m-100kV/m, this atmospheric electric field calibration system has precision height, broad quantum, anti-interference strong characteristics, and system's total error is 1%.Actual root-mean-square error is 0.365%, almost near the error of the high precision electric field calibration system 0.3% of the U.S..
Description of drawings
Fig. 1 is a simulate electric field generator synoptic diagram.
Fig. 2 is an electric field calibration system block scheme.
The accompanying drawing sign
1, noble potential plate 2, electronegative potential plate 3, ring flange
4, first insulation column 5, equipotential conducting ring 6, etc. divider resistance
7, second insulation column 8, base 9, shielding outer cover
10, stainless steel dust cap 11, high insulating terminal 12, low tension terminal
21, voltage source in simulate electric field generator 22, DC high-voltage power supply 23, the direct current
24, Dc low voltage power supply 25, high pressure ammeter 26, digital electric meter
27, high accuracy number ammeter 28, A/D capture card 29, etc. the precision universal counter
210, general purpose oscialloscope 211, multi-purpose computer 212, printer
213, super isolating transformer 214, special-purpose ground wire 215, demarcated electric field instrument
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
The atmospheric electric field calibration system of a kind of high-precision wide range provided by the invention; As shown in Figure 2, this atmospheric electric field calibration system comprises: stainless steel simulate electric field generator 21 produce voltage source 23 and Dc low voltage power supply 24 in the DC high-voltage power supply 22, direct current of the simulate electric field that can satisfy atmospheric electric field calibration system 0-100kV/m, high stability provide respectively be applied in the analog generator 21 voltage, high-precision high voltage ammeter 25, digital electric meter 26, high accuracy number ammeter 27 and the A/D data collecting card 28 of the various numerical value of 0-20kV between the stainless steel noble potential plate 1 and electronegative potential plate 2, etc. precision universal counter 29, general purpose oscialloscope 210, multi-purpose computer and control and data processing module 211, super isolating transformer 213.Independent grounding line 214; It is characterized in that; Described simulate electric field generator comprises a base 28 and the cylindrical stainless steel shielding outer cover 29 that is fixed on this base 28, and the coaxial setting in inside of described cylindrical stainless steel shielding outer cover 29 comprises the plane-parallel capacitor of the simulate electric field generator main body that two blocks of circular stainless steel noble potential plates that are parallel to each other 1 and electronegative potential plate 2 constitute; Described cylindrical stainless steel shielding outer cover 29 is provided with high insulating terminal 11 and low tension terminal 12; Described high insulating terminal 11 is incorporated into the noble potential plate with high pressure; Described low tension terminal 12 is incorporated into the electronegative potential plate with earth potential; The diameter and the gap ratio of described stainless steel noble potential plate 1 and electronegative potential plate 2 are 5, and be as shown in Figure 1.High-precision wide range atmospheric electric field calibration system provided by the present invention, wherein, simulate electric field generator 21 produces the even and constant electric field of 0V/m-100kV/m, is the equipment of setting up high-precision atmospheric electric field calibration system most critical.In this example; Adopt the DC high-voltage power supply 22 of HV-203P3 high stability; Voltage source 23 in the MPS-308 direct current; LPS-202A Dc low voltage power supply 24 provides and is applied to the voltage of simulate electric field generator 21 between the various numerical value of 0-20kV, to guarantee to produce every meter 0 volt to every meter hundred kilovolts electric field value.HVC-803 high-precision high voltage ammeter 25 is directly measured and is applied to the high pressure (0-40kV) between the high electronegative potential plate in the simulate electric field generator 21; PLUCKE-8840A digital electric meter 26 is measured DC high-voltage power supply 22; Voltage source 23 in the MPS-308 direct current; The output voltage of LPS-202A Dc low voltage power supply 24 is directly imported computing machine with measured voltage numerical value and is converted into corresponding simulate electric field value.PLUCKE-8846A high accuracy number ammeter 27 or 16 A/D data collecting card 28 is measured the main frame of atmospheric electric field detector with high resolving power voltage signal outputs are directly inputted to computing machine and are converted into corresponding electric field value to be measured.Precision universal counters such as SP312B 29 are measured the rotating speed of electric field instrument, are directly inputted to computing machine to weigh the stability of electric field instrument work.The synchronous detection waveform of TDS-1012 general purpose oscialloscope 210 monitoring atmospheric electric field detector main frames, the duty of keeping watch on electric field instrument.DELL-OP380 multi-purpose computer 211 and special software are controlled and are calculated the electric field calibration system.HP-P1008 printer 212 prints electric field instrument nominal data form and calibration curve.The super isolating transformer 213 of WH-38902 is restrained than the alternating current 220V that the electric field calibration system is provided with the common mode of 120dB, to eliminate the clutter interference on the civil power 220V.Independently special-purpose ground wire 214 avoids system to be come from the interference of other instrument and equipments through common ground.Wherein:
The DC high-voltage power supply 22 of HV-203P3 high stability; Voltage source 23 in the MPS-308 direct current; LPS-202A Dc low voltage power supply 24 provides the voltage of the various numerical value of 0-20kV between the high electronegative potential plate that is applied to simulate electric field generator 21, produces every meter 0 volt to every meter hundred kilovolts electric field value to guarantee simulate electric field generator 21.
Precision is that 0.5% HVC-803 high pressure ammeter 25 is directly measured and is applied to the high pressure (0-40kV) between the high electronegative potential plate.PLUCKE-8840A digital electric meter 26 is measured DC high-voltage power supply 22 through DC high-voltage power supply 22 output interfaces,
The output voltage of voltage source 23 and LPS-202A Dc low voltage power supply 24 is directly imported computing machine 211 with measured voltage numerical value and is converted into the benchmark electric field value that corresponding simulate electric field value is demarcated as electric field in the measurement MPS-308 direct current.
PLUCKE-8846A high accuracy number ammeter 27 or PCI-8326BA/D capture card 28 are measured the signal voltage output of the main frame of atmospheric electric field detector with high resolving power, and are input to computing machine 211 and are converted into corresponding electric field value to be measured.
Precision universal counters such as SP312B 29 are measured the rotating speed of electric field instrument and are directly inputted to computing machine 211 to weigh the stability of electric field instrument work.
The synchronous detection waveform of TDS-1012 general purpose oscialloscope 210 monitoring atmospheric electric field detector main frames, the duty of keeping watch on electric field instrument.
211 pairs of electric field calibration systems of DELL-OP380 multi-purpose computer are controlled and are calculated.HP-P1008 printer 212 prints electric field instrument nominal data form and calibration curve.
The super isolating transformer 213 of WH-38902 is restrained than the alternating current 220V that the electric field calibration system is provided with the common mode of 120dB, eliminates the clutter interference on the civil power 220V.
Special-purpose ground wire is avoided miscellaneous equipment to pass through common ground and is produced the interference to the electric field calibration system.
The present invention realizes measure and method: the key issue that electric field is demarcated be set up a numerical value be known evenly and steady electric field.Be parallel to each other and separated by a distance according to two, and be in the principle that has uniform electric field between the infinitely great current-carrying plate of different potentials, design simulation field generator 1, i.e. electric field E (U/m): E=U/L
U is the potential difference (PD) between 1 liang of current potential plate of simulate electric field generator in the formula, and L is the distance between the two current potential plates.
From formula, can know, distance between two flat boards one regularly, electric field is directly proportional with voltage on being added in two plates.Plate condenser formula simulate electric field generator is applicable to the absolute calibration of different size instrument, and the general higher electric field caliberating device of precision prescribed all adopts this method.The precision of electric field remove and the measuring accuracy of voltage and two plates between outside the Pass the assembly precision of distance has; Also relevant with shape, size and the placement location of the size of two flat boards, electric-field sensor to be calibrated; The principle of parallel plate capacitor formula simulate electric field generator: E=U/L; Its error and be added in potential difference (PD) and the distance dependent between two plates between two plates, but this formula is to be of a size of infinity at supposition two parallel-plates, and do not exist between two flat boards and set up under the situation of any object.This ideal situation is non-existent in reality, and limited size certainly will locate line of electric force on the edge of and equipotential line distorts, and promptly produces edge effect; Its probe of electric field instrument timing signal will expose the electronegative potential plate of demarcating in the case, also can cause the line of electric force and the equipotential line distortion of demarcating in the case.The roughness of the depth of parallelism between two plates, flatness and inside surface, the bad electric leakage of insulating, grounded shield body leave the distance of noble potential plate in addition, also will produce error.If but when the design simulation field generator, making the radius of the radius of two parallel-plates greater than electric field instrument, the distance between two flat boards surpasses the electric field instrument probe and exposes the height in the electric field demarcation case.The error that the problems referred to above cause the simulate electric field generator to produce simulate electric field can be placed restrictions in desired scope fully.
Concrete design concept of the present invention is embodied in:
1, for setting up first professional electric field calibration system of China, equipment the most basic, most critical is the simulate electric field generator.The quality of its performance, the size of error play a major role to whole electric field calibration system.In order to make total error 1% reach requirement, select distance and the size of two plates between rational two plates.The diameter of the high electronegative potential plate of the simulate electric field generator in the system is Φ 1000mm, and the distance between the high electronegative potential plate is 200mm, and the consideration of simulate electric field generator error and calculating all are of a size of benchmark with this and carry out.Change like size, error also will change.
2, in order to design the electric field calibration system of total error 1%; When drafting design proposal; The simplest way is that any that possibly cause systematic error divides error source all to improve an one magnitude to consider, promptly be defined as 0.1% or littler, be no more than 1% so that guarantee the total error of system.But difficulty is bigger, under at present domestic and international level, is practically impossible; Show that like high-tension electricity best precision is 0.5% both at home and abroad, also, reach 0.1% error just like flatness, grounded shield outer cover; Cost is too big, will earth-shielded influence be dropped to 0.1% like desire, and the diameter of shielding outer cover should be Φ 10000mm; Too huge, operation is also inconvenient.The design of native system is to adopt comprehensive, balance, and measures such as complementation have finally reached designing requirement.
3, the critical component of simulate electric field generator---high electronegative potential plate is selected non-magnetic 304# stainless steel for use, makes the surface charge skewness of its inside surface and influences the error that the homogeneity of simulate electric field generator electric field is brought to avoid oxidation or rustization or magnetization.
4, strict control key equipment---the machining precision of each parts of simulate electric field generator, whole assembly precision, and all need pass through check approval like the authoritative unit of detections such as china institute of metrology.
5, interference is to the influence of electric field calibration system, and electric field is demarcated at highly sensitive end, and signal has only the hundred microvolt orders of magnitude, prevents that the influence of disturbing is too not important.Mainly come from the common ground line to disturbing; Public power 220V and the various spuious electromagnetic three kinds of approach that are dispersed in the space; The alternating current 220V that adopts the super isolating transformer 22 of WH-38902 to restrain than to provide the electric field calibration system with the common mode of 120dB is supplied power, and eliminates the clutter interference on the civil power 220V.Adopt independently special-purpose ground wire, avoided on business the interference of ground wire altogether, adopt Φ 2000 * 750mm ground shield to isolate and come from the especially interference of electric field of stray electrical magnetic wave that is dispersed in the space.
6, to the direct influential testing tool of systematic error as selecting for use domestic and international precision the highest, all appts is all through the check approval of the authoritative unit of metering.
7, because native system is to be designed to full-automatic record, the surveying instrument that direct monitoring quilt is demarcated the electric field instrument performance in calibration process all should have the connecting interface with computing machine, handles so that measurement data is directly imported computing machine.
8, design accuracy is 1% electric field calibration system; Difficulty is bigger; Through repeatedly testing and local improvement, reached designing requirement finally, the performance of system and original two kinds of caliberating devices increase significantly; Make the calibration range of electric field instrument bring up to 5V/m-100kV/m by 0.5kV/m-50kV/m; In low end extension 100 times, root-mean-square error has reached 0.365% (precision of former pair of ball electric field caliberating device is 9%), almost near the level of the most accurate electric field calibration system precision 0.3% of the U.S..The electric field calibration process has realized full-automatic record, more can positively reflect the actual performance of being demarcated electric field instrument.
9, placement platform, the detecting instrument of simulate electric field generator are placed laboratory table and all be processed into having the non-magnetic stainless steel of electric conductivity; And be connected with special-purpose ground wire; Make simulate electric field generator 21 and placement platform thereof, instrument 22-212 placement laboratory table become the equipotential body; The influence of static can be prevented, the personal safety under the high pressure can be guaranteed again the simulate electric field generator.
10, this electric field calibration system to the measurement range of electric field instrument, measure sensitivity, that performances such as measuring error, the linearity are demarcated is outer, simultaneously can also to the duty of electric field instrument, short-term and for a long time stability etc. carry out comprehensive measurement and assessment.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is specified with reference to embodiment; Those of ordinary skill in the art is to be understood that; Technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1. the atmospheric electric field calibration system of a high-precision wide range; This atmospheric electric field calibration system comprises: stainless steel simulate electric field generator (21) produces the simulate electric field that is used for atmospheric electric field calibration system 0V/m-100kV/m; In the DC high-voltage power supply of high stability (22), the direct current voltage source (23) and Dc low voltage power supply (24) provide respectively the voltage, high-precision high voltage ammeter (25), digital electric meter (26), high accuracy number ammeter (27) or the A/D data collecting card (28) that are applied to the stainless steel noble potential plate (1) that constitutes simulate electric field generator (21) and the various numerical value between the electronegative potential plate (2), etc. precision universal counter (29), general purpose oscialloscope (210), multi-purpose computer and control and data processing module (211), super isolating transformer (213) and independent grounding line (214); It is characterized in that; Described simulate electric field generator comprises a base (28) and is fixed on the cylindrical stainless steel shielding outer cover (29) on this base (28), the plane-parallel capacitor that the coaxial setting in inside of described cylindrical stainless steel shielding outer cover (29) is made up of two blocks of circular stainless steel noble potential plates (1) that are parallel to each other and electronegative potential plate (2); Described cylindrical stainless steel shielding outer cover (29) is provided with high insulating terminal (11) and low tension terminal (12); Described high insulating terminal (11) is connected with noble potential plate (1); Described low tension terminal (12) is connected with electronegative potential plate (2), the diameter and gap ratio >=3 of described stainless steel noble potential plate (1) and stainless steel electronegative potential plate (2).
2. the atmospheric electric field calibration system of high-precision wide range according to claim 1; It is characterized in that; There is a perforate center of described stainless steel electronegative potential plate (2); And place electric field instrument through steel flange dish (3) and pop one's head in, the part of the outstanding electronegative potential plate of this electric field instrument probe is up to 40mm.
3. the atmospheric electric field calibration system of high-precision wide range according to claim 1; It is characterized in that; Between described stainless steel noble potential plate (1) and the stainless steel electronegative potential plate (2); Along the panel edges equidistance be equipped with some conducting rings (5) and etc. divider resistance (6) constitute the equipotential layer, to reduce the influence of edge effect.
4. the atmospheric electric field calibration system of high-precision wide range according to claim 1 is characterized in that, described stainless steel noble potential plate (1), stainless steel electronegative potential plate (2) and ring flange (3) adopt nonmagnetic 304# stainless steel to process.
5. column type condenser type stainless steel simulate electric field generator according to claim 1 is characterized in that, the radius of described stainless steel shielding outer cover (9) and the ratio of current potential plate radius, its ratio are 2.5 times of distance between the two current potential plates.
6. according to the atmospheric electric field calibration system of the said high-precision wide range of claim 1; It is characterized in that; Described DC high-voltage power supply (22), voltage source in the direct current (23), the output voltage that Dc low voltage power supply (24) provides is 0-20kV; The voltage range that DC high-voltage power supply (22) provides is between 0-20KV; The voltage range that voltage source in the direct current (23) provides is between 0-300V, and the simulate electric field that simulate electric field generator (1) produces is 0V/m-100kV/m, and the atmospheric electric field calibration system is 0V/m-100kV/m to the electric field instrument calibration range.
7. according to the atmospheric electric field calibration system of the said high-precision wide range of claim 1; It is characterized in that described digital electric meter (26) has the IO interface compatible with computing machine; Be used to measure DC high-voltage power supply (22); Voltage source in the direct current (23), the output voltage of Dc low voltage power supply (24), and be directly inputted to computing machine.
8. according to the atmospheric electric field calibration system of the said high-precision wide range of claim 7, it is characterized in that described IO interface employing RS232 or the USB interface compatible with computing machine.
9. according to the atmospheric electric field calibration system of the said high-precision wide range of claim 1; It is characterized in that; Described A/D data collecting card (28) adopts 16 A/D data collecting cards (28); Be used to measure the output voltage of atmospheric electric field detector main frame, and be directly inputted to computing machine and be converted into corresponding electric field value to be measured through control corresponding and data processing module (211).
10. according to the atmospheric electric field calibration system of the said high-precision wide range of claim 1, it is characterized in that described calibration system also comprises super isolating transformer (213), this super isolating transformer (213) common mode is restrained than being 120dB.
11. atmospheric electric field calibration system according to the said high-precision wide range of claim 1; It is characterized in that; Described cylindrical simulate electric field generator and the stainless steel laboratory table of placing stainless steel platform and placing support equipment thereof all are connected formation globality equipotential volume with special-purpose ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110162132.0A CN102830383B (en) | 2011-06-16 | 2011-06-16 | Atmospheric electric field calibration system with high precision and wide range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110162132.0A CN102830383B (en) | 2011-06-16 | 2011-06-16 | Atmospheric electric field calibration system with high precision and wide range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102830383A true CN102830383A (en) | 2012-12-19 |
| CN102830383B CN102830383B (en) | 2015-02-04 |
Family
ID=47333580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110162132.0A Expired - Fee Related CN102830383B (en) | 2011-06-16 | 2011-06-16 | Atmospheric electric field calibration system with high precision and wide range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102830383B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837750A (en) * | 2012-11-22 | 2014-06-04 | 中国科学院电子学研究所 | Temperature drift and time drift real-time difference compensation method for electric-field sensor |
| CN105785301A (en) * | 2016-03-31 | 2016-07-20 | 中国电力科学研究院 | Rotary direct-current electric field sensor automatic calibration system |
| CN105974346A (en) * | 2016-04-28 | 2016-09-28 | 中国科学院电子学研究所 | Automatic calibration device of static electric field sensor and calibration method thereof |
| CN114779147A (en) * | 2022-04-07 | 2022-07-22 | 中国工程物理研究院计量测试中心 | Remote control non-contact type electrostatic voltmeter calibration method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088951A (en) * | 1977-03-24 | 1978-05-09 | Nasa | Microcomputerized electric field meter diagnostic and calibration system |
| JPS5546608A (en) * | 1978-09-29 | 1980-04-01 | Hitachi Denshi Ltd | Calibration system for electric field intensity level |
| CN1601286A (en) * | 2003-09-26 | 2005-03-30 | 中国科学院空间科学与应用研究中心 | Constant speed rotary flip-chip electric field gage suitable for thunderstom electricity and near ground atmosphere electric enviroment detection |
| CN2694287Y (en) * | 2004-03-09 | 2005-04-20 | 中国科学院空间科学与应用研究中心 | Calibration device of electric field measuring apparatus |
| CN201662589U (en) * | 2009-12-11 | 2010-12-01 | 武汉特试特科技有限公司 | Non-contact high-voltage electric field sensor |
-
2011
- 2011-06-16 CN CN201110162132.0A patent/CN102830383B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088951A (en) * | 1977-03-24 | 1978-05-09 | Nasa | Microcomputerized electric field meter diagnostic and calibration system |
| JPS5546608A (en) * | 1978-09-29 | 1980-04-01 | Hitachi Denshi Ltd | Calibration system for electric field intensity level |
| CN1601286A (en) * | 2003-09-26 | 2005-03-30 | 中国科学院空间科学与应用研究中心 | Constant speed rotary flip-chip electric field gage suitable for thunderstom electricity and near ground atmosphere electric enviroment detection |
| CN2694287Y (en) * | 2004-03-09 | 2005-04-20 | 中国科学院空间科学与应用研究中心 | Calibration device of electric field measuring apparatus |
| CN201662589U (en) * | 2009-12-11 | 2010-12-01 | 武汉特试特科技有限公司 | Non-contact high-voltage electric field sensor |
Non-Patent Citations (2)
| Title |
|---|
| 张腾飞等: "电场仪标定***设计", 《气象水文海洋仪器》 * |
| 罗福山等: "电场标定装置", 《电测与仪表》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837750A (en) * | 2012-11-22 | 2014-06-04 | 中国科学院电子学研究所 | Temperature drift and time drift real-time difference compensation method for electric-field sensor |
| CN105785301A (en) * | 2016-03-31 | 2016-07-20 | 中国电力科学研究院 | Rotary direct-current electric field sensor automatic calibration system |
| CN105974346A (en) * | 2016-04-28 | 2016-09-28 | 中国科学院电子学研究所 | Automatic calibration device of static electric field sensor and calibration method thereof |
| CN114779147A (en) * | 2022-04-07 | 2022-07-22 | 中国工程物理研究院计量测试中心 | Remote control non-contact type electrostatic voltmeter calibration method |
| CN114779147B (en) * | 2022-04-07 | 2022-11-22 | 中国工程物理研究院计量测试中心 | Remote control non-contact type electrostatic voltmeter calibration method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102830383B (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103412176B (en) | Real-time on-line monitoring sensor for current of alternating current-direct current arrester based on magnetoresistance | |
| CN106093548B (en) | A kind of contactless high-precision shaft current measuring device | |
| CN204536523U (en) | A kind of based on computer-controlled teslameter measuring system | |
| CN102830383B (en) | Atmospheric electric field calibration system with high precision and wide range | |
| CN103913715B (en) | High-voltage measuring box error testing system and error testing method | |
| CN104931914A (en) | Analog field high voltage energy meter calibration system | |
| CN102830382B (en) | Cylindrical capacitance type simulation electric field generator | |
| CN204557898U (en) | Magnetostriction and Hall effect comprehensive test instrument | |
| CN207318694U (en) | A kind of non-contact type current instrument on-line calibration device | |
| CN116224210A (en) | Current transformer verification system and method in AC/DC coexisting environment | |
| CN204101739U (en) | A kind of portable multi-function digital radiation logging | |
| CN205619873U (en) | RVDT angle displacement sensor test system | |
| CN2427816Y (en) | Instrument for measuring and calibrating electricity meter testing device | |
| CN203672976U (en) | Pilot frequency method ground resistor measuring device | |
| CN204330849U (en) | A kind of Multi-function experimental virtual instrument | |
| CN203799005U (en) | Error verification system for high-voltage metering box | |
| CN204154818U (en) | The multiplex grounding resistance measurement equipment of a kind of new mobile type | |
| CN203464986U (en) | Electromagnetic-force-balanced microbalance | |
| CN201666922U (en) | High-voltage nuclear phase pen | |
| CN111781428A (en) | Wireless sensing capacitive equipment dielectric loss live-line testing device | |
| CN202720260U (en) | Intelligent electric power detection meter | |
| CN109238120A (en) | A kind of eddy current displacement sensor component and its installation, measurement method | |
| Shen et al. | Research on Noncontact Voltage Measurement Method for Three-Phase Busbar of Low-Voltage Distribution Cabinets | |
| CN202720263U (en) | Industrial voltage measurement structure | |
| CN204422660U (en) | A kind of digital grounding resistance measuring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100190 No. two south of Zhongguancun, Haidian District, Beijing 1 Patentee after: NATIONAL SPACE SCIENCE CENTER, CAS Address before: 100190 No. two south of Zhongguancun, Haidian District, Beijing 1 Patentee before: Space Science & Applied Research Centre, Chinese Academy of Sciences |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20210616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |