CN202502176U - Direct current ionized field experimental apparatus - Google Patents
Direct current ionized field experimental apparatus Download PDFInfo
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- CN202502176U CN202502176U CN2012201162090U CN201220116209U CN202502176U CN 202502176 U CN202502176 U CN 202502176U CN 2012201162090 U CN2012201162090 U CN 2012201162090U CN 201220116209 U CN201220116209 U CN 201220116209U CN 202502176 U CN202502176 U CN 202502176U
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Abstract
The utility model relates to a direct current ionized field experimental apparatus, comprising two parallel vertical metal supports, two insulating supports, a direct current ion current generator and an electrostatic field verification apparatus. The two insulating supports are respectively and vertically connected to the upper ends of the two vertical metal supports; and the direct current ion current generator and the electrostatic field verification apparatus are arranged between the two insulating supports. Compared with the prior art, the technology employed in the utility model enables the provided apparatus to have advantages of simple operation as well as accurse and effective properties and the like.
Description
Technical field
The utility model relates to a kind of direct-current ion flow field experimental provision.
Background technology
At the high-voltage dc transmission electrical domain, endemisms such as formate field intensity and ion flow are arranged, when the lead corona free; Only have electrostatic field around the lead, when lead had corona, ion moved under the effect of electric field force; With the ground field intensity formation formate field intensity that influences each other; This phenomenon possibly cause harmful effect to human body, and therefore the measurement to the direct-current ion flow field is necessary, and discloses a kind of calibration equipment like utility application 200820153380.2; Comprise the ion generating unit, a control electric field region and the verification electric field region that once are provided with, said ion generating unit is used to produce ion.Said control electric field region is used to control the gas current size; Said verification place is used to produce the DC electrostatic field of scalable size; Electric field that said ion produces and said DC electrostatic field form formate field intensity; But the voltage-regulation of the control electric field region of this device is difficult, can not effectively influence corona wire electric-force gradient on every side.
Summary of the invention
The purpose of the utility model is exactly that a kind of simple to operate, direct-current ion flow field experimental provision accurately and effectively is provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of the utility model can realize through following technical scheme: a kind of direct-current ion flow field experimental provision; It is characterized in that; This device comprises two parallel vertical metal supports, two insulating supports, direct-current ion flow-generator and electrostatic field calibration equipments; Described two insulating supports vertically are connected the upper end of two vertical metal supports respectively, and described direct-current ion flow-generator, electrostatic field calibration equipment all are arranged between two insulating supports.
Described two insulating support tops are provided with insulation cover plate, and are provided with anticorona ring at insulation cover plate.
Described direct-current ion flow-generator comprises that horizontal parallel is arranged on two corona silk screen, control aperture plate, earth potential pole plates between the insulating support up and down, is provided with biasing resistor between described control aperture plate and the earth potential pole plate.
Described electrostatic field calibration equipment comprises horizontally disposed top crown and bottom crown up and down, and described top crown is the pressurization pole plate, and described bottom crown and earth potential pole plate are same pole plate.
Be provided with several grading rings and several equalizing resistances between described top crown and the bottom crown; Described several grading rings are set in parallel between top crown and the bottom crown, described several equalizing resistances be connected in series between the grading ring respectively or grading ring and top crown or bottom crown between.
Described grading ring is provided with at least two, and described equalizing resistance is provided with at least three.
Compared with prior art, the utility model direct-current ion flow field test unit is combined by direct-current ion flow-generator and electrostatic field calibration equipment two parts.When the continuous-current excitation voltage on the corona wire that puts on ion airflow generator reaches discharge inception voltage gradually; Corona silk screen surrounding air is by free; Begin to occur charged ion, thereby ionic charge moves the formation ion flow to the diffusion of earth potential pole plate under the promotion of electric field force.The ion flow that passes unit area just is called ion current density.Ionic charge constantly raises along with continuous-current excitation voltage and sharply increases, and ion flow also increases thereupon.To flow to earth potential pole plate ion flow size in order effectively controlling, between between corona silk screen and earth potential pole plate, the control aperture plate to be set.When the corona silk screen applies driving voltage, apply a direct-current control voltage with the driving voltage same polarity to the control aperture plate.Raise or reduce this control voltage, can influence the electric-force gradient around the corona wire; Simultaneously, also changed and promote ionic charge and flow to the electric field force of earth potential pole plate, thereby reached the purpose of regulating control ion flow size, simple and convenient, accurately and reliably.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
As shown in Figure 1; A kind of direct-current ion flow field experimental provision; This device comprises two parallel vertical metal supports 1, two insulating supports 2, direct-current ion flow-generator and electrostatic field calibration equipments; Described two insulating supports 2 vertically are connected the upper end of two vertical metal supports 1 respectively, and described direct-current ion flow-generator, electrostatic field calibration equipment all are arranged between two insulating supports 2.Described two insulating support 2 tops are provided with insulation cover plate 3, and are provided with anticorona ring 4 at insulation cover plate 3.
Described direct-current ion flow-generator comprises that horizontal parallel is arranged on two corona silk screen 5, control aperture plate 6, earth potential pole plates 7 between the insulating support up and down, is provided with biasing resistor 8 between described control aperture plate 6 and the earth potential pole plate 7.
Described electrostatic field calibration equipment comprises horizontally disposed top crown 9 and bottom crown up and down, and described top crown is the pressurization pole plate, and described bottom crown and earth potential pole plate 7 are same pole plate.Be provided with four each and every one grading ring 10 and five equalizing resistances 11 between described top crown 9 and the bottom crown; Described grading ring 10 is set in parallel between top crown and the bottom crown; Described equalizing resistance 11 be connected in series between the grading ring 10 respectively or grading ring 10 and top crown or bottom crown between, earth potential pole plate 7 is provided with direct current field intensity set 12.
When the continuous-current excitation voltage on the corona wire that puts on ion airflow generator reaches discharge inception voltage gradually; Below corona silk screen 5, form corona generating region A; Corona silk screen 5 surrounding airs are by free; Begin to occur charged ion, thereby this charged ion moves the formation ion flow to 7 diffusions of earth potential pole plate under the promotion of electric field force.The ion flow that passes unit area just is called ion current density.Ionic charge constantly raises along with continuous-current excitation voltage and sharply increases, and ion flow also increases thereupon.To flow to earth potential pole plate ion flow size in order effectively controlling, between 7 on corona silk screen 5 and earth potential pole plate, control aperture plate 6 to be set, formation ionic charge injection region B below control aperture plate 6.When corona silk screen 5 applies driving voltage, apply a direct-current control voltage with the driving voltage same polarity to control aperture plate 6.Raise or reduce this control voltage, can influence the electric-force gradient around the corona wire; Simultaneously, also change the promotion ionic charge and flowed to the electric field force of earth potential pole plate, thereby reached the purpose of regulating control ion flow size.
Described grading ring can be provided with at least two as required, at least three of described equalizing resistance settings.
Claims (6)
1. direct-current ion flow field experimental provision; It is characterized in that; This device comprises two parallel vertical metal supports, two insulating supports, direct-current ion flow-generator and electrostatic field calibration equipments; Described two insulating supports vertically are connected the upper end of two vertical metal supports respectively, and described direct-current ion flow-generator, electrostatic field calibration equipment all are arranged between two insulating supports.
2. a kind of direct-current ion according to claim 1 flow field experimental provision is characterized in that described two insulating support tops are provided with insulation cover plate, and are provided with anticorona ring at insulation cover plate.
3. a kind of direct-current ion according to claim 1 flow field experimental provision; It is characterized in that; Described direct-current ion flow-generator comprises that horizontal parallel is arranged on two corona silk screen, control aperture plate, earth potential pole plates between the insulating support up and down, is provided with biasing resistor between described control aperture plate and the earth potential pole plate.
4. a kind of direct-current ion according to claim 3 flow field experimental provision; It is characterized in that; Described electrostatic field calibration equipment comprises horizontally disposed top crown and bottom crown up and down, and described top crown is the pressurization pole plate, and described bottom crown and earth potential pole plate are same pole plate.
5. a kind of direct-current ion according to claim 4 flow field experimental provision; It is characterized in that; Be provided with several grading rings and several equalizing resistances between described top crown and the bottom crown; Described several grading rings are set in parallel between top crown and the bottom crown, described several equalizing resistances be connected in series between the grading ring respectively or grading ring and top crown or bottom crown between.
6. a kind of direct-current ion according to claim 5 flow field experimental provision is characterized in that described grading ring is provided with at least two, and described equalizing resistance is provided with at least three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201162090U CN202502176U (en) | 2012-03-23 | 2012-03-23 | Direct current ionized field experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201162090U CN202502176U (en) | 2012-03-23 | 2012-03-23 | Direct current ionized field experimental apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN202502176U true CN202502176U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201162090U Expired - Lifetime CN202502176U (en) | 2012-03-23 | 2012-03-23 | Direct current ionized field experimental apparatus |
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| CN (1) | CN202502176U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108344962A (en) * | 2017-11-21 | 2018-07-31 | 中国电力科学研究院有限公司 | A kind of calibration system and its scaling method of the field mill not being capped metallic plate |
| CN112305326A (en) * | 2019-07-31 | 2021-02-02 | 中国科学院国家空间科学中心 | Device for measuring surface potential of moon in place |
-
2012
- 2012-03-23 CN CN2012201162090U patent/CN202502176U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108344962A (en) * | 2017-11-21 | 2018-07-31 | 中国电力科学研究院有限公司 | A kind of calibration system and its scaling method of the field mill not being capped metallic plate |
| CN108344962B (en) * | 2017-11-21 | 2023-11-10 | 中国电力科学研究院有限公司 | Calibration system and calibration method of field mill without covering metal plate |
| CN112305326A (en) * | 2019-07-31 | 2021-02-02 | 中国科学院国家空间科学中心 | Device for measuring surface potential of moon in place |
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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: 20121024 |