CN201269925Y - Field checking apparatus - Google Patents
Field checking apparatus Download PDFInfo
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- CN201269925Y CN201269925Y CNU2008201533802U CN200820153380U CN201269925Y CN 201269925 Y CN201269925 Y CN 201269925Y CN U2008201533802 U CNU2008201533802 U CN U2008201533802U CN 200820153380 U CN200820153380 U CN 200820153380U CN 201269925 Y CN201269925 Y CN 201269925Y
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- electric field
- ion
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- field region
- calibration equipment
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Abstract
The utility model relates to the field of direct current (DC) electric transmission and transformation equipment and circuit electromagnetic environment, in particular to a field checking device. The utility model discloses a field checking device, which comprises an ion generating unit, a control electric field area and a checking electric field area in sequence; wherein, the ion generating unit is used for generating the ions, the checking electric field area is used for generating an adjustable DC electrostatic field and the electric field generated by the ions and the DC electrostatic field integrate into field intensity. The field check device has the advantages of observing that the electric field generated by the ions or the DC electrostatic field checks the equipment to be checked by the controllable iron current entering the checking electric field area and the controllable DC electrostatic field in the checking electric field, and facilitating to develop the comparison test research on the check results of checked equipment under different states.
Description
Technical field
The utility model relates to dc power transmission equipment and line electricity magnetic environment field, particularly a kind of calibration equipment.
Background technology
At present, direct current field intensity meter or ion flow density measurement equipment are when measuring, and measurement environment is more complicated often, and its antijamming capability to surrounding environment is still waiting the verification textual criticism.Such as, the direct current field intensity meter is actual to be by induction current work, when its work (measurements), peripheral ion flow equally also can flow into and form electric current in the field intensity meter.Whether this electric current can have influence on the output valve of direct current field intensity meter.Can not avoid if this influence is bigger, that will be by revising the output valve of direct current field intensity meter someway.Therefore, necessaryly carry out being carried out verification research by the measurement of tester (as direct current field intensity meter or ion flow density measurement equipment), researching DC electrostatic field or ion flow field size whether being exerted an influence and influence by the measurement of tester by certain calibration equipment.
The utility model content
The technical matters that the utility model solves provides a kind of calibration equipment, can observe electric field that ion produces or DC electric field to whether being existed by the controlled DC electrostatic field that enters the ion of checking electric field region and controlled check electric field region, and help to carry out comparison experimental study by tester check results under different conditions by the disturbing effect of tester.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of calibration equipment, comprise the ion generating unit, a control electric field region and the check electric field region that set gradually, described ion generating unit is used to produce ion, described control electric field region is used to control the size of gas current, described verification electric field region is used to produce the DC electrostatic field of scalable size, and electric field that described ion produces and described DC electrostatic field form formate field intensity.
Described ion generating unit comprises the parallel corona silk screen of logical first DC high-voltage power supply, produces ion around the parallel corona silk screen.
The Adjustable Output Voltage joint size of described first DC high-voltage power supply.
The online side of described parallel corona wire is provided with an insulation or a metal cover board at interval.
The described insulation or the metal cover board outside are provided with anticorona ring.
Described control electric field region is formed by the gas current control aperture plate of spaced and parallel setting and the electric field of last check pole plate generation, controls the size that aperture plate enters the described gas current of control electric field region in order to control through gas current.
Described check electric field region is formed by the electric field of upward checking pole plate and check pole plate generation down of spaced and parallel setting, itself and electric field formation formate field intensity that flows into the described ion generation of checking electric field region through last check pole plate.
Be provided with pressure-equalizing device between the described upper and lower check pole plate.
Described pressure-equalizing device comprises several grading rings and several equalizing resistances, and described grading ring and equalizing resistance are series at described going up and check pole plate and following the check between the pole plate.
The beneficial effects of the utility model: can observe electric field or the size of DC electrostatic field that ion produces by the controlled DC electrostatic field that enters in the gas current of checking electric field region and the controlled check electric field region, and help to carry out comparison experimental study by tester check results under different conditions to whether being existed and influence by the disturbing effect of tester such as direct current field intensity meter or ion flow density measurement equipment.
Description of drawings
Fig. 1 is the synoptic diagram of of the present utility model calibration equipment.
Among the figure: the parallel corona silk screen of 1-, 2-gas current control aperture plate, the last check of 3-pole plate, 4-checks the pole plate ion generating unit down, 10-corona generating region, and 20-controls electric field region, 30-checks electric field region, the 51-grading ring, 52-equalizing resistance, 6-insulation column, the 7-metal support, 8-insulation or metal cover board, 9-anticorona ring, 11-direct current field intensity meter or ion flow density measurement equipment.
Embodiment
As shown in Figure 1, for the utility model one embodiment the field calibration equipment synoptic diagram.
This calibration equipment, comprise the ion generating unit, a control electric field region 20 and the check electric field region 30 that set gradually, described ion generating unit is used to produce ion, described control electric field region 20 is used to control the size of gas current, described verification electric field region 30 is used to produce the DC electrostatic field of scalable size, and electric field that described ion produces and described DC electrostatic field form formate field intensity.
Described ion generating unit comprises the parallel corona silk screen 1 of logical first DC high-voltage power supply, is that corona generating region 10 produces the ion (not shown) around the parallel corona silk screen 1.The Adjustable Output Voltage joint size of described first DC high-voltage power supply.
Described parallel corona silk screen 1 top spaced and parallel is provided with an insulation or a metal cover board 8, is insulation cover plate 8 in the present embodiment, and is provided with anticorona ring 9 in the outside of insulation cover plate, plays shielding action in order to electric field to external world.
The electric field that the gas current that described control electric field region 20 is provided with by the spaced and parallel that connects adjustable second DC high-voltage power supply is controlled aperture plate 2 and 3 generations of last check pole plate forms, and controls the size that aperture plate 2 enters the described gas current of control electric field region 20 in order to control through gas current.Though, when the Adjustable Output Voltage of described first DC high-voltage power supply saves, can be used for regulating the charged ion number that parallel corona silk screen 1 produces.But when charged ion reaches the saturated quantity of comparison stable state, can not increase the charged ion number that is injected into check electric field region 30.Therefore must be by regulating the electric field that second DC high-voltage power supply changes 3 on gas current control aperture plate 2 and last check pole plate, by the density of the gas current in this electric field control electric field region 20, and then control flows to the density of checking ion flow in the electric field region 30.When having only ion to reach the saturated quantity of comparison stable state, the ion current density of being controlled could be stablized, and reaches the purpose of control gas current size.In addition, described gas current control aperture plate 2 and described parallel corona silk screen 1 parallel interval setting.
Described check electric field region 30 is formed with the electric field of checking pole plate 4 generations down by the pole plate 3 of upward checking that the spaced and parallel that connects adjustable the 3rd DC high-voltage power supply is provided with, in the DC electrostatic field of checking electric field region 30 formation scalable sizes, make it the electric field formation formate field intensity that produces with the ion that flows into check electric field regions 30 through last check pole plate 3.In addition, described going up checked pole plate 3 and the 2 parallel interval settings of described gas current control aperture plate.
Be provided with pressure-equalizing device between the described upper and lower check pole plate 3,4.Described pressure-equalizing device comprises several grading ring 51 and several equalizing resistances 52, and described grading ring 51 and equalizing resistance 52 are series at described going up and check pole plate 3 and following the check between the pole plate 4.Purpose is the influence that influences and be subjected to inhomogeneous field for the ion that this calibration equipment is not subjected to other corona discharge and is produced, and guarantees to check in the electric field region 30 to have uniform electric field.
In addition, in the present embodiment for guaranteeing insulation, described insulation cover plate 8, parallel corona silk screen 1, gas current control aperture plate 2, on check pole plate 3 and check down pole plate 4 two ends respectively in parallel to each other fixed interval be connected in an insulation column 6.And this insulation column 6 is supported by metal support 7.Certain above-mentioned each parts also mode of available hang-up are provided with.
The using method of the utility model field calibration equipment:
When being the direct current field intensity meter by tester, this method of calibration comprises the steps:
At first, this direct current field intensity meter is placed on check electric field region 30, in this checks electric field region 30, generates DC electrostatic field, read the measured value of this direct current field intensity meter 11.Wherein, this DC electrostatic field forms by upper and lower check pole plate 3,4 is applied the 3rd DC high-voltage power supply.
Then, in this checks electric field region 30, form the ion flow of different sizes, read the measured value of this direct current field intensity meter 11 in this direct current total electric field respectively.Wherein, the forming process of checking the ion flow in the electric field region 30 is as follows: earlier parallel corona silk screen 1 is connected first DC high-voltage power supply, to be corona generating region 10 generation ions around parallel corona silk screen 1, then described gas current control aperture plate 2 and on check pole plate 3 and apply adjustable second DC high-voltage power supply, to form the electric field of scalable size at control electric field region 20, this electric field is in order to the density of the ion flow in the control control electric field region 20, and then control flows to the density of checking the ion flow in the electric field region 30.
At last, analyze this direct current field intensity meter 11 do not have the ion electric field to disturb and the situation of different big or small ion flow electric fields interference under measured value, judge the size whether this ion flow electric field exerts an influence and influence the measurement of this direct current field intensity meter 11.
This method of calibration can be observed the size of ion electric field to whether being existed and influence by the disturbing effect of tester such as direct current field intensity meter by the ion electric field of controlled check electric field region 30 and controlled check electric field region 30 interior DC electrostatic fields.
When being ion flow density measurement equipment by tester, using method of the present utility model comprises the steps:
At first, this ion flow density measurement equipment 11 is placed on check electric field region 30, in this checks electric field region 30, forms a certain size ion flow electric field, and read the measured value of this ion flow density measurement equipment 11.Wherein, the forming process of checking the ion flow electric field in the electric field region 30 is as follows: earlier parallel corona silk screen 1 is connected first DC high-voltage power supply, to be corona generating region 10 generation ion flows around parallel corona silk screen 1, then described gas current control aperture plate 2 and on check pole plate 3 and apply adjustable second DC high-voltage power supply, to form the electric field of scalable size at control electric field region 20, this electric field is controlled the density that aperture plate 2 flows into the ion flow of control electric field regions 20 in order to control through gas current, and then how many charged ions control has enter check electric field region 30 through last check pole plate 3.
Then, in this check electric field region 30, generate the DC electrostatic field that varies in size, and read the measured value of this ion current density measuring equipment 11 under the big or small DC electrostatic field disturbed condition of difference respectively.This DC electrostatic field forms by upper and lower check pole plate 3,4 is applied the 3rd DC high-voltage power supply.
At last, analyze this ion flow density measurement equipment 11 do not have DC electrostatic field disturb and the situation of different big or small DC electrostatic fields interference under measured value, judge the size whether DC electrostatic field exerts an influence and influence the measurement of this ion current density measuring equipment 11.
This method of calibration can be observed the size of DC electrostatic field to whether being existed and influence by the disturbing effect of tester such as ion current density measuring equipment by the ion electric field and controlled check electric field region 30 DC electrostatic fields of controlled check electric field region 30.
In sum: the DC electrostatic field of ion flow electric field that the utility model can be by controlled check electric field region 30 and controlled check electric field region 30 is observed ion electric field or the size of DC electrostatic field to whether being existed and influence by the disturbing effect of tester such as direct current field intensity meter or ion flow density measurement equipment, carry out verification work, and carry out other relevant research work, as help to carry out comparison experimental study by tester check results under different conditions by it.
Claims (9)
1, a kind of calibration equipment, it is characterized in that: comprise the ion generating unit, a control electric field region and the check electric field region that set gradually, described ion generating unit is used to produce ion, described control electric field region is used to control the gas current size, described verification electric field region is used to produce the DC electrostatic field of scalable size, and electric field that described ion produces and described DC electrostatic field form formate field intensity.
2, as claimed in claim 1 calibration equipment, it is characterized in that: described ion generating unit comprises the parallel corona silk screen of logical first DC high-voltage power supply, produces ion around the parallel corona silk screen.
3. as claimed in claim 2 calibration equipment is characterized in that: the Adjustable Output Voltage joint size of described first DC high-voltage power supply.
4. as claimed in claim 2 calibration equipment is characterized in that: the online side of described parallel corona wire is provided with an insulation or a metal cover board at interval.
5. as claimed in claim 4 calibration equipment is characterized in that: the described insulation or the metal cover board outside are provided with anticorona ring.
6, as claimed in claim 1 calibration equipment, it is characterized in that: described control electric field region is formed by the gas current control aperture plate of spaced and parallel setting and the electric field of last check pole plate generation, in order to control ion under effect of electric field, move downward, produce gas current, enter the size of the described gas current of control electric field region with control.
7, as claimed in claim 6 calibration equipment, it is characterized in that: described check electric field region go up to be checked pole plate by spaced and parallel setting described and is checked the dc static place that pole plate produces once and forms, its with check the electric field formation formate field intensity that pole plate flows into the described ion generation of checking electric field region through described going up.
8. as claimed in claim 7 calibration equipment is characterized in that: be provided with pressure-equalizing device between the described upper and lower check pole plate.
9. as claimed in claim 8 calibration equipment is characterized in that: described pressure-equalizing device comprises several grading rings and several equalizing resistances, and described grading ring and equalizing resistance are series between the described upper and lower check pole plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201533802U CN201269925Y (en) | 2008-09-23 | 2008-09-23 | Field checking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201533802U CN201269925Y (en) | 2008-09-23 | 2008-09-23 | Field checking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269925Y true CN201269925Y (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201533802U Expired - Lifetime CN201269925Y (en) | 2008-09-23 | 2008-09-23 | Field checking apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103135086A (en) * | 2013-02-20 | 2013-06-05 | 华北电力大学 | Calibration device and calibration and verification method for direct current electric field measuring apparatus |
| CN104777380A (en) * | 2015-04-15 | 2015-07-15 | 浙江大学 | Animal modeling device for simulating electric field exposure of extra-high-voltage direct current power transmission line |
| CN106568893A (en) * | 2016-10-14 | 2017-04-19 | 中国电力科学研究院 | Device for calibration of air ion meter and circuit 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 |
| CN110907874A (en) * | 2019-10-24 | 2020-03-24 | 中国电力科学研究院有限公司 | System and method for calibrating direct current synthetic electric field measuring device |
-
2008
- 2008-09-23 CN CNU2008201533802U patent/CN201269925Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102830382B (en) * | 2011-06-16 | 2015-02-04 | 中国科学院空间科学与应用研究中心 | Cylindrical capacitance type simulation electric field generator |
| CN103135086A (en) * | 2013-02-20 | 2013-06-05 | 华北电力大学 | Calibration device and calibration and verification method for direct current electric field measuring apparatus |
| CN103135086B (en) * | 2013-02-20 | 2015-12-23 | 华北电力大学 | The caliberating device of DC electric field measurement instrument and demarcation thereof and method of calibration |
| CN104777380A (en) * | 2015-04-15 | 2015-07-15 | 浙江大学 | Animal modeling device for simulating electric field exposure of extra-high-voltage direct current power transmission line |
| CN104777380B (en) * | 2015-04-15 | 2017-07-25 | 浙江大学 | A kind of animal model device for simulating the exposure of extra high voltage direct current transmission line electric field |
| CN106568893A (en) * | 2016-10-14 | 2017-04-19 | 中国电力科学研究院 | Device for calibration of air ion meter and circuit system |
| CN106568893B (en) * | 2016-10-14 | 2019-04-23 | 中国电力科学研究院 | A kind of device and its circuit system for air ion measuring instrument calibration |
| 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 |
| CN110907874A (en) * | 2019-10-24 | 2020-03-24 | 中国电力科学研究院有限公司 | System and method for calibrating direct current synthetic electric field measuring device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090708 |