CN104049113B - Equal pressure cap is used in a kind of inflated type transformer partial discharge test - Google Patents
Equal pressure cap is used in a kind of inflated type transformer partial discharge test Download PDFInfo
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- CN104049113B CN104049113B CN201410266478.9A CN201410266478A CN104049113B CN 104049113 B CN104049113 B CN 104049113B CN 201410266478 A CN201410266478 A CN 201410266478A CN 104049113 B CN104049113 B CN 104049113B
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- Prior art keywords
- pneumatic bag
- rubber pneumatic
- cap
- equal pressure
- partial discharge
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- 239000000463 material Substances 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 7
- 230000005684 electric field Effects 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 3
- 230000032258 transport Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Abstract
The invention discloses a kind of inflated type transformer partial discharge test and use equal pressure cap, including: with the rubber pneumatic bag that the header electrical of pipe box connect and formed pipe box head electric field;And be used for supporting rubber pneumatic bag and electrically connecting with rubber pneumatic bag formation, and fix the rubber pneumatic bag supporting construction being connected with the conservator of sleeve pipe。Present configuration is simple, lightweight, material is soft, conveniently transports and deposits, and effectively protects bushing shell for transformer under the bad weather circumstances such as strong wind。
Description
Technical field
The present invention relates to equal pressure cap used in power transformer partial discharge test, particularly relate to a kind of inflated type transformer partial discharge test and use equal pressure cap, for uniform electric field, belong to high voltage power transmission and transforming technical field。
Background technology
Local discharge test is to examine the severeest one in power transformer commissioning test, can the manufacturing of extra-high voltage transformer and in-site installation situation be examined by partial discharge test。In test, applied voltage is higher, it is necessary to conduit connection end is installed equal pressure cap or grading ring carrys out uniform end electric field, it is prevented that the corona interference in process of the test。Equal pressure cap or grading ring generally adopt aluminium material to make, and are really sized according to electric pressure, and electric pressure is more high, and its size is more big, and corresponding weight is more heavy, install, dismantle and a lot of inconvenience of transport all existence。
Summary of the invention
The present invention provides one can effectively reduce weight, can exit and reduce transport memory space after using, and, effectively protect the inflated type transformer partial discharge test of bushing shell for transformer to use equal pressure cap under the bad weather circumstances such as strong wind。
For solving the deficiencies in the prior art, the technical solution adopted in the present invention is:
Equal pressure cap is used in a kind of inflated type transformer partial discharge test, including: with the rubber pneumatic bag that the header electrical of pipe box connect and formed pipe box head electric field;And be used for supporting rubber pneumatic bag and electrically connecting with rubber pneumatic bag formation, and fix the rubber pneumatic bag supporting construction being connected with the conservator of sleeve pipe。Wherein, described rubber pneumatic bag is semi-sphere structure, and the edge of described hemisphere face structure is inwardly formed circular ring;The material of described rubber pneumatic bag is conductive rubber, and wall thickness is 2mm, and the surface of rubber pneumatic bag is also coated with aluminium paint。Many spacing bracing wires it are additionally provided with between two walls of rubber pneumatic bag;The inwall of rubber pneumatic bag is additionally provided with charge and discharge QI KOU。
Further, described rubber pneumatic bag supporting construction includes radial and supports stay, stay tube and collar supports cap, described stay tube be internally provided with long bolt, the two ends of described long bolt are fixing after being locked by nut with radial support stay and collar supports cap respectively to be connected, described radial supports stay and is arranged on the bottom of rubber pneumatic bag, described collar supports cap then and is connected by many metal bracing wires between rubber pneumatic bag, and described collar supports cap is additionally provided with copper stranded conductor, described copper stranded conductor electrically connects with the binding post of sleeve pipe。Wherein, it is metal that described radial supports the material of stay, and the material of a described stay tube is then aluminum。
Further, the described drum that collar supports cap is a back-off, wherein, the described long bolt in a stay tube fixes on the bottom of described drum by nut lock, and described copper stranded conductor is then arranged on the sidewall of drum。Being symmetrically arranged with four fixing bolts on the sidewall of described collar supports cap, described collar supports cap is connected by four fixing bolts and sleeve pipe conservator are fixing, and four fixing bolts are provided with rubber blanket in one end of collar supports cap inwall。
The beneficial effects of the present invention is:
1) significantly alleviating of equal pressure cap weight is realized;
2) realize the transport of equal pressure cap and deposit volume and significantly reduce;
3) realize equal pressure cap under the inclement weather conditions such as strong wind, effectively protect bushing shell for transformer。
Accompanying drawing illustrates:
Fig. 1 is the side sectional view of one embodiment of the invention;
Fig. 2 is the upward view of one embodiment of the invention;
In figure, Main Reference Numerals implication is as follows:
1, rubber pneumatic bag 2, radial support stay 3, metal bracing wire 4, spacing bracing wire
5, charge and discharge QI KOU 6, a stay tube 7, long bolt 8, collar supports cap 9, fixing bolt
10, copper stranded conductor 11, nut
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention done concrete introduction。
Fig. 1 is side sectional view of the present invention;Fig. 2 is upward view of the present invention;
As shown in Figure 1 and Figure 2: equal pressure cap is used in a kind of inflated type transformer partial discharge test, including: with the rubber pneumatic bag 1 that the header electrical of pipe box connect and formed pipe box head electric field;And be used for supporting rubber pneumatic bag 1 and electrically connecting with rubber pneumatic bag 1 formation, and fix the rubber pneumatic bag supporting construction being connected with the conservator of sleeve pipe。Wherein, described rubber pneumatic bag 1 is semi-sphere structure, and the edge of described hemisphere face structure is inwardly formed circular ring;The material of described rubber pneumatic bag 1 is conductive rubber, and wall thickness is 2mm, and the surface of rubber pneumatic bag 1 is also coated with aluminium paint, for the electric field that even test middle sleeve head produces, it is prevented that produce corona phenomenon in process of the test。Many spacing bracing wires 4 it are additionally provided with, so that shape can be kept after ensureing rubber pneumatic bag 1 inflation between two walls of rubber pneumatic bag 1;Being additionally provided with charge and discharge QI KOU 5 on the inwall of rubber pneumatic bag 1, use complete, it is possible to exitted by rubber pneumatic bag 1, carry out folding dress of receiving, volume, convenient transport are deposited in reduction。
In the present embodiment, described rubber pneumatic bag supporting construction includes eight radials and supports stay 2, prop up stay tube 6 and collar supports cap 8, described stay tube 6 be internally provided with long bolt 7, the two ends of described long bolt 7 are supported stay 2 and collar supports cap 8 respectively and are connected by fixing after nut 11 locking with radial, described radial supports stay 2 and is arranged on the bottom of rubber pneumatic bag 1, it can keep spoke-like by the thrust of long bolt 7, described collar supports cap 8 then and between rubber pneumatic bag 1 then by arranging metal bracing wire 3 connect radial, metal bracing wire 3 supports cap 8 position in order to fixed sleeving, and ensure the electrical connection between collar supports cap 8 and rubber pneumatic bag 1, what the present embodiment adopted is ten six roots of sensation metal bracing wires;And described collar supports cap 8 is additionally provided with copper stranded conductor 10, described copper stranded conductor 10 electrically connects with the binding post of sleeve pipe。Wherein, it is metal that described radial supports the material of stay 2, and has certain hardness, and the material of a described stay tube 6 is then aluminum。
Additionally, the described drum that collar supports cap 8 is a back-off, wherein, the described long bolt 7 in a stay tube 6 is locked in the bottom of described drum by nut 11, and described copper stranded conductor 10 is then arranged on the sidewall of drum。The sidewall of described collar supports cap 8 is symmetrically arranged with four fixing bolts 9; described collar supports cap 8 is connected by four fixing bolts 9 and sleeve pipe conservator are fixing; and four fixing bolts 9 are provided with rubber blanket in one end of collar supports cap 8 inwall, in order to protect sleeve pipe conservator。
The present invention adopts rubber pneumatic bag inflatable structure, significantly alleviates the weight of equal pressure cap, meanwhile, transports and deposits volume and significantly reduce, effectively protect bushing shell for transformer under the inclement weather conditions such as strong wind。
Present invention above-described embodiment is illustrated and should be appreciated that above-described embodiment does not limit the present invention in any form, and all employings are equal to replacement or the technical scheme that obtains of equivalent transformation mode, all fall within protection scope of the present invention。
Claims (9)
1. equal pressure cap is used in an inflated type transformer partial discharge test, it is characterised in that including: with the rubber pneumatic bag that the header electrical of pipe box connect and formed pipe box head electric field;And be used for supporting rubber pneumatic bag and electrically connecting with rubber pneumatic bag formation, and fix the rubber pneumatic bag supporting construction being connected with the conservator of sleeve pipe;Described rubber pneumatic bag is semi-sphere structure, and the edge of described hemisphere face structure is inwardly formed circular ring。
2. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 1, it is characterised in that the material of described rubber pneumatic bag is conductive rubber, and the surface of described rubber pneumatic bag is also coated with aluminium paint。
3. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 1, it is characterised in that the wall thickness of described rubber pneumatic bag is 2mm。
4. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 1, it is characterised in that be additionally provided with many spacing bracing wires between two walls of described rubber pneumatic bag。
5. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 1, it is characterised in that be additionally provided with charge and discharge QI KOU on the inwall of described rubber pneumatic bag。
6. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 1, it is characterized in that, described rubber pneumatic bag supporting construction includes radial and supports stay, prop up stay tube and collar supports cap, described stay tube be internally provided with long bolt, the two ends of described long bolt are fixing after being locked by nut with radial support stay and collar supports cap respectively to be connected, described radial supports stay and is arranged on the bottom of rubber pneumatic bag, described collar supports cap then and is connected by many metal bracing wires between rubber pneumatic bag, and described collar supports cap is additionally provided with copper stranded conductor, described copper stranded conductor electrically connects with the binding post of sleeve pipe。
7. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 6, it is characterised in that it is metal that described radial supports the material of stay, and the material of a described stay tube is then aluminum。
8. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 6, it is characterized in that, the described drum that collar supports cap is a back-off, wherein, the described long bolt in a stay tube fixes on the bottom of described drum by nut lock, and described copper stranded conductor is then arranged on the sidewall of drum。
9. equal pressure cap is used in described a kind of inflated type transformer partial discharge test according to claim 6, it is characterized in that, the sidewall of described collar supports cap is symmetrically arranged with four fixing bolts, described collar supports cap is connected by four fixing bolts and sleeve pipe conservator are fixing, and four fixing bolts are provided with rubber blanket in one end of collar supports cap inwall。
Priority Applications (1)
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CN201410266478.9A CN104049113B (en) | 2014-06-16 | 2014-06-16 | Equal pressure cap is used in a kind of inflated type transformer partial discharge test |
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CN201410266478.9A CN104049113B (en) | 2014-06-16 | 2014-06-16 | Equal pressure cap is used in a kind of inflated type transformer partial discharge test |
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CN104049113A CN104049113A (en) | 2014-09-17 |
CN104049113B true CN104049113B (en) | 2016-06-22 |
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CN113931797A (en) * | 2021-09-22 | 2022-01-14 | 顿天瑞 | Suspension equipment and maintenance method |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1067565A2 (en) * | 1999-07-09 | 2001-01-10 | Kabushiki Kaisha Toshiba | Arrester and manufacturing method thereof |
CN2679693Y (en) * | 2003-09-27 | 2005-02-16 | 江苏雷宇高电压设备有限公司 | Equalizer cover |
CN201181300Y (en) * | 2008-03-19 | 2009-01-14 | 苏州市华电电气技术有限公司 | Voltage equalizing cover for high-tension testing apparatus |
CN102914669A (en) * | 2012-10-11 | 2013-02-06 | 苏州华电电气股份有限公司 | Post-forming voltage-sharing body of complicated conduction structure |
JP5189426B2 (en) * | 2008-07-16 | 2013-04-24 | 三菱電機株式会社 | Discharge device and temperature monitoring device |
CN103245804A (en) * | 2013-04-02 | 2013-08-14 | 山西省电力公司电力科学研究院 | Assembly type inflatable high-voltage equalizing ring |
CN203224515U (en) * | 2013-04-02 | 2013-10-02 | 山西省电力公司电力科学研究院 | An inflation assembly type high-voltage grading ring |
CN203397800U (en) * | 2013-08-08 | 2014-01-15 | 马鞍山市华能电力线路器材有限责任公司 | Opening-type grading ring structure |
CN203465988U (en) * | 2013-08-19 | 2014-03-05 | 国家电网公司 | Bird damage prevention grading ring used for novel composite insulator interval rod |
-
2014
- 2014-06-16 CN CN201410266478.9A patent/CN104049113B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1067565A2 (en) * | 1999-07-09 | 2001-01-10 | Kabushiki Kaisha Toshiba | Arrester and manufacturing method thereof |
CN2679693Y (en) * | 2003-09-27 | 2005-02-16 | 江苏雷宇高电压设备有限公司 | Equalizer cover |
CN201181300Y (en) * | 2008-03-19 | 2009-01-14 | 苏州市华电电气技术有限公司 | Voltage equalizing cover for high-tension testing apparatus |
JP5189426B2 (en) * | 2008-07-16 | 2013-04-24 | 三菱電機株式会社 | Discharge device and temperature monitoring device |
CN102914669A (en) * | 2012-10-11 | 2013-02-06 | 苏州华电电气股份有限公司 | Post-forming voltage-sharing body of complicated conduction structure |
CN103245804A (en) * | 2013-04-02 | 2013-08-14 | 山西省电力公司电力科学研究院 | Assembly type inflatable high-voltage equalizing ring |
CN203224515U (en) * | 2013-04-02 | 2013-10-02 | 山西省电力公司电力科学研究院 | An inflation assembly type high-voltage grading ring |
CN203397800U (en) * | 2013-08-08 | 2014-01-15 | 马鞍山市华能电力线路器材有限责任公司 | Opening-type grading ring structure |
CN203465988U (en) * | 2013-08-19 | 2014-03-05 | 国家电网公司 | Bird damage prevention grading ring used for novel composite insulator interval rod |
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