CN202948122U - Calibrating device for DC resultant field measuring instrument - Google Patents
Calibrating device for DC resultant field measuring instrument Download PDFInfo
- Publication number
- CN202948122U CN202948122U CN 201220695464 CN201220695464U CN202948122U CN 202948122 U CN202948122 U CN 202948122U CN 201220695464 CN201220695464 CN 201220695464 CN 201220695464 U CN201220695464 U CN 201220695464U CN 202948122 U CN202948122 U CN 202948122U
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- Prior art keywords
- fields
- utmost point
- earthing pole
- ion current
- pressure stage
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- 238000009413 insulation Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005686 electrostatic field Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920005439 Perspex® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model provides a calibrating device for a DC resultant field measuring instrument, which comprises a DC field earth electrode, a DC field high-voltage electrode, a control electrode and an ion flow electrode. The above electrodes are orderly arranged from bottom to top. The middle part of the DC field earth electrode is provided with a calibration hole and a support platform is arranged below the calibration hole. A first insulating strut is arranged between the DC field earth electrode and the DC field high-voltage electrode. A second insulating strut is arranged between the DC field high-voltage electrode and the control electrode. A third insulating strut is arranged between the control electrode and the ion flow electrode. The DC field earth electrode is provided with a plurality of ion flow receiving plates insulated from the DC field earth electrode. A DC resultant field formed by the superposition of an electrostatic field and a space charge field can be formed on the upper surface of the DC field earth electrode. The DC resultant field can be used for calibrating a DC resultant field measuring instrument to eliminate the measurement error of the DC resultant field measuring instrument.
Description
Technical field
The utility model relates to high voltage power transmission and transforming engineering electromagnetic compatibility technology field, refers to particularly a kind of calibrating installation of DC resultant field instrument.
Technical background
China's DC power transmission line is built fast development in recent years, and the electromagnetic environment problem around DC power transmission line more and more causes people's concern.Synthetic of direct current is the main electromagnetic environment parameter of DC power transmission line and transformer station, along with China carrying out the appraisal of ehv power transmission engineering impact on environment, monitoring to synthetic of direct current has become an important process, and the means that realize these measurements are that closing becomes field strength meter to complete.DC power transmission line synthetic is the wire vector of living electrostatic field and the electric field of space charge generation of cutting down output that powers on, and at present domesticly generally with electrostatic field, the DC resultant field instrument is calibrated, be not inconsistent with the characteristics of synthetic of actual power line DC, have certain error, therefore the calibrating installation of design and development DC resultant field instrument is very urgent and necessary.
The utility model content
The purpose of this utility model is exactly the calibrating installation that a kind of DC resultant field instrument will be provided, and uses this device can eliminate the measuring error of DC resultant field instrument.
for realizing this purpose, the calibrating installation of the DC resultant field instrument that the utility model is designed, it comprises the dc fields earthing pole of arranging successively from the bottom to top, the dc fields high-pressure stage, control the utmost point and the ion current utmost point, be arranged on the calibration hole at dc fields earthing pole middle part, be arranged on the supporting platform of calibration hole below, wherein, be provided with the first insulation column between described dc fields earthing pole and dc fields high-pressure stage, be provided with the second insulation column between dc fields high-pressure stage and the control utmost point, control between the utmost point and the ion current utmost point and be provided with the 3rd insulation column, also be provided with ion current the receiver sheet a plurality of and insulation of dc fields earthing pole on described dc fields earthing pole.
Form calibration areas between described dc fields earthing pole and dc fields high-pressure stage, dc fields high-pressure stage and control between the utmost point and form the injection region is controlled and is formed the charge generation district between the utmost point and the ion current utmost point.
Spacing between described dc fields earthing pole and dc fields high-pressure stage is 15cm～30cm, and dc fields high-pressure stage and the distance of controlling between the utmost point are 10cm～20cm, and the distance of controlling between the utmost point and the ion current utmost point is 10cm～20cm.
Described dc fields ground connection is conductive metal sheet very, and described dc fields high-pressure stage and the control utmost point are conductive metal mesh, and ion current is conductive wire very.
Described calibration hole has two, and one is square calibration hole, and another is circular calibration hole.
Described ion current receiver sheet is copper coin, and described ion current receiver sheet embeds the dc fields earthing pole, makes ion current receiver sheet and dc fields earthing pole be positioned at same plane.
Described ion current receiver sheet is connected with the insulation of dc fields earthing pole by epoxy resin board.
Described ion current receiver sheet to the spacing at dc fields earthing pole edge greater than the spacing between dc fields earthing pole and dc fields high-pressure stage.
Be connected with reometer between described ion current receiver sheet and dc fields earthing pole.
Described supporting platform is the insulation supporting platform.
The electric field that the utility model produces when applying direct supply between dc fields earthing pole and high-pressure stage is electrostatic field, control the utmost point and the ion current utmost point and be equivalent to corona cage, when both potential difference (PD) reaches the bloom of the ion current utmost point, the space charge that the ion current utmost point produces passes the control utmost point under the effect of electric field and the dc fields high-pressure stage reaches calibration areas, the direct current that just can obtain being formed by stacking by electrostatic field and space charge field at dc fields earthing pole upper surface synthesizes the field, synthetic calibration that can be used for the resultant field instrument of this direct current.By eliminating the measuring error of DC resultant field instrument after calibration.
Description of drawings
Fig. 1 is use status architecture schematic diagram of the present utility model;
Fig. 2 is the structural representation of dc fields earthing pole in the utility model;
Fig. 3 is the structural representation of the utility model intermediate ion stream utmost point;
Wherein, 1-dc fields earthing pole, 2-dc fields high-pressure stage, 3-control utmost point, 4-ion current utmost point, 5-calibration hole, the 6-the first insulation column, the 7-the second insulation column, the 8-the three insulation column, 9-ion current receiver sheet, 10-epoxy resin board, 11-reometer, 12-resultant field instrument, 13-supporting platform, 14-nickel iron silk.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
the calibrating installation of the DC resultant field instrument in figure shown in 1 and 2, it comprises the dc fields earthing pole 1 of arranging successively from the bottom to top, dc fields high-pressure stage 2, control the utmost point 3 and the ion current utmost point 4, be arranged on the calibration hole 5 at dc fields earthing pole 1 middle part, be arranged on the supporting platform 13 of calibration hole 5 belows, wherein, be provided with the first insulation column 6 between dc fields earthing pole 1 and dc fields high-pressure stage 2, be provided with the second insulation column 7 between dc fields high-pressure stage 2 and the control utmost point 3, control between the utmost point 3 and the ion current utmost point 4 and be provided with the 3rd insulation column 8, also be provided with ion current receiver sheet 9 a plurality of and 1 insulation of dc fields earthing pole on dc fields earthing pole 1.Above-mentioned the first insulation column 6, the second insulation column 7 and the 3rd insulation column 8 are the insulation perspex bar.
In technique scheme, form calibration areas between dc fields earthing pole 1 and dc fields high-pressure stage 2, dc fields high-pressure stage 2 and control between the utmost point 3 and form the injection region is controlled and is formed the charge generation district between the utmost point 3 and the ion current utmost point 4.
In technique scheme, the spacing between dc fields earthing pole 1 and dc fields high-pressure stage 2 is 15cm～30cm, and dc fields high-pressure stage 2 and the distance of controlling between the utmost point 3 are 10cm～20cm, and the distance of controlling between the utmost point 3 and the ion current utmost point 4 is 10cm～20cm.
In technique scheme, dc fields earthing pole 1 is preferably the thick square aluminium sheet of 3mm for conductive metal sheet, and dc fields high-pressure stage 2 and the control utmost point 3 are conductive metal mesh, and the ion current utmost point 4 is conductive wire.Above-mentioned conductive metal sheet is quadrilateral or circle, and the length of side during for quadrilateral should be greater than 1m, and the diameter during for circle should be greater than 1m.Shape, the size of dc fields earthing pole 1, dc fields high-pressure stage 2 and the control utmost point 3 are identical.In addition, dc fields high-pressure stage 2 is that the 16 purpose square stainless steel cloth length of sides are 1400mm.
In technique scheme, calibration hole 5 has two, and one is square calibration hole, and another is circular calibration hole.Wherein the square calibration hole length of side is 72mm, circular calibration hole diameter is 65mm, above-mentioned two calibration holes 5 are identical with size with resultant field instrument 12 shapes that are calibrated, during calibration, resultant field instrument 12 is placed on below dc fields earthing pole 1 on wooden support platform, aligns with calibration hole 5 in the moving plate hole of resultant field instrument 12.
In technique scheme, ion current receiver sheet 9 is copper coin, and described ion current receiver sheet 9 embeds dc fields earthing pole 1, makes ion current receiver sheet 9 and dc fields earthing pole 1 be positioned at same plane.
In technique scheme, ion current receiver sheet 9 is connected with 1 insulation of dc fields earthing pole by epoxy resin board 10.
In technique scheme, ion current receiver sheet 9 to the spacing at dc fields earthing pole 1 edge greater than the spacing between dc fields earthing pole 1 and dc fields high-pressure stage 2.So that monitoring calibration areas ion current size.In the perforate on every side of synthetic field calibration hole, 8 ion current receiver sheets 9 are installed, receiver sheet is the thick copper coin of the rectangle 2mm of 50 * 80mm, insulate with dc fields earthing pole 1 with the thick epoxy resin board 10 of 2mm around receiver sheet, and keep both upper planes concordant, the ion current receiver sheet is apart from 9 from dc fields earthing pole 1 edge 25cm, and is big or small in order to monitor the calibration areas ion current during calibration.
In technique scheme, be connected with reometer 11 between ion current receiver sheet 9 and dc fields earthing pole 1.The electric field that produces when applying direct supply between dc fields earthing pole 1 and dc fields high-pressure stage 2 is electrostatic field.Above-mentioned reometer 11 is measured ion current, is used for synthetic of calculating standard.
In technique scheme, supporting platform 13 is insulation supporting platform, preferred wooden support platform.
in technique scheme, the ion current utmost point 4 many diameters of serving as reasons are that the nickel of 0.02mm irons silk 14 and equidistantly is installed in parallel on ion current polar angle steel frame and forms, the spacing that every nickel irons silk is 50mm, control the utmost point 3 and be equivalent to corona cage with the ion current utmost point 4, when both potential difference (PD) reaches the bloom of the ion current utmost point, the space charge that the ion current utmost point 4 produces passes the control utmost point 3 under the effect of electric field and dc fields high-pressure stage 2 reaches calibration areas, just can produce synthetic of the direct current that is formed by stacking by electrostatic field and space charge field at dc fields earthing pole 1 upper surface, utilize synthetic measuring accuracy that can detect accurately resultant field instrument 12 of this direct current, and resultant field instrument 12 is calibrated.
The content that instructions is not described in detail belongs to the known prior art of this area professional and technical personnel.
Claims (10)
1. the calibrating installation of a DC resultant field instrument, it is characterized in that: it comprises the dc fields earthing pole (1) of arranging successively from the bottom to top, dc fields high-pressure stage (2), control the utmost point (3) and the ion current utmost point (4), be arranged on the calibration hole (5) at dc fields earthing pole (1) middle part, be arranged on the supporting platform (13) of calibration hole (5) below, wherein, be provided with the first insulation column (6) between described dc fields earthing pole (1) and dc fields high-pressure stage (2), be provided with the second insulation column (7) between dc fields high-pressure stage (2) and the control utmost point (3), control between the utmost point (3) and the ion current utmost point (4) and be provided with the 3rd insulation column (8), also be provided with ion current receiver sheet (9) a plurality of and dc fields earthing pole (1) insulation on described dc fields earthing pole (1).
2. the calibrating installation of DC resultant field instrument according to claim 1, it is characterized in that: form calibration areas between described dc fields earthing pole (1) and dc fields high-pressure stage (2), dc fields high-pressure stage (2) and control between the utmost point (3) and form the injection region is controlled between the utmost point (3) and the ion current utmost point (4) formation charge generation district.
3. the calibrating installation of DC resultant field instrument according to claim 1 and 2, it is characterized in that: the spacing between described dc fields earthing pole (1) and dc fields high-pressure stage (2) is 15cm～30cm, dc fields high-pressure stage (2) and the distance of controlling between the utmost point (3) are 10cm～20cm, and the distance of controlling between the utmost point (3) and the ion current utmost point (4) is 10cm～20cm.
4. the calibrating installation of DC resultant field instrument according to claim 1 and 2, it is characterized in that: described dc fields earthing pole (1) is conductive metal sheet, described dc fields high-pressure stage (2) and the control utmost point (3) are conductive metal mesh, and the ion current utmost point (4) is conductive wire.
5. the calibrating installation of DC resultant field instrument according to claim 1 and 2, it is characterized in that: described calibration hole (5) has two, and one is square calibration hole, and another is circular calibration hole.
6. the calibrating installation of DC resultant field instrument according to claim 1 and 2, it is characterized in that: described ion current receiver sheet (9) is copper coin, described ion current receiver sheet (9) embeds dc fields earthing pole (1), makes ion current receiver sheet (9) and dc fields earthing pole (1) be positioned at same plane.
7. the calibrating installation of DC resultant field instrument according to claim 6 is characterized in that: described ion current receiver sheet (9) insulate with dc fields earthing pole (1) by epoxy resin board (10) and is connected.
8. the calibrating installation of DC resultant field instrument according to claim 6 is characterized in that: described ion current receiver sheet (9) to the spacing at dc fields earthing pole (1) edge greater than the spacing between dc fields earthing pole (1) and dc fields high-pressure stage (2).
9. the calibrating installation of DC resultant field instrument according to claim 7, is characterized in that: be connected with reometer (11) between described ion current receiver sheet (9) and dc fields earthing pole (1).
10. the calibrating installation of DC resultant field instrument according to claim 1 is characterized in that: described supporting platform (13) is the insulation supporting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695464 CN202948122U (en) | 2012-12-14 | 2012-12-14 | Calibrating device for DC resultant field measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695464 CN202948122U (en) | 2012-12-14 | 2012-12-14 | Calibrating device for DC resultant field measuring instrument |
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| Publication Number | Publication Date |
|---|---|
| CN202948122U true CN202948122U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220695464 Expired - Lifetime CN202948122U (en) | 2012-12-14 | 2012-12-14 | Calibrating device for DC resultant field measuring instrument |
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| Country | Link |
|---|---|
| CN (1) | CN202948122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998649A (en) * | 2012-12-14 | 2013-03-27 | 中国电力科学研究院 | Calibration device of direct current combining field measurement meter |
-
2012
- 2012-12-14 CN CN 201220695464 patent/CN202948122U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998649A (en) * | 2012-12-14 | 2013-03-27 | 中国电力科学研究院 | Calibration device of direct current combining field measurement meter |
| CN102998649B (en) * | 2012-12-14 | 2015-12-02 | 中国电力科学研究院 | A kind of calibrating installation of DC resultant field instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
|
| CX01 | Expiry of patent term |