CN103354162A - Partial discharge high-frequency current transformer and preparation method thereof - Google Patents
Partial discharge high-frequency current transformer and preparation method thereof Download PDFInfo
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- CN103354162A CN103354162A CN2013103235841A CN201310323584A CN103354162A CN 103354162 A CN103354162 A CN 103354162A CN 2013103235841 A CN2013103235841 A CN 2013103235841A CN 201310323584 A CN201310323584 A CN 201310323584A CN 103354162 A CN103354162 A CN 103354162A
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- magnetic core
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims description 20
- 229920000647 polyepoxide Polymers 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a partial discharge high-frequency current transformer and a preparation method thereof. The partial discharge high-frequency current transformer comprises two semi-circle magnetic cores which can be spliced into a circle, each semi-circle magnetic core is arranged in a corresponding magnetic core groove, the upper surface of each magnetic core groove is provided with a thin shell, the periphery of the upper surface of each magnetic core groove is provided with a plurality of anti-theft screw mounting holes at intervals, which are in one-to-one correspondence to the periphery of the corresponding thin shell, and screws are mounted in the anti-theft screw mounting holes so as to fix the thin shells on the magnetic core grooves; the outer sides of two end parts of each magnetic core groove are provided with limiting blocks, the two magnetic core grooves are buckled to form a circle, two end parts of one magnetic core groove are respectively fixed with two end parts of the other magnetic core groove through the limiting blocks, pin mounting holes are formed in the limiting blocks, and pins are arranged in the pin mounting holes to fixedly connect the limiting blocks. The partial discharge high-frequency current transformer disclosed by the invention has the advantages of preventing theft and guaranteeing use safety.
Description
Technical field
The present invention relates to the instrument transformer art, relate in particular to a kind of office and put HF current transformer and preparation method thereof.
Background technology
Traditional current transformer is many realizes its portable and installation requirement by hinge and buckle, but anti-theft effect is undesirable, and hinge and buckle also are corroded easily and break down; In addition partly not protection of the binding post of conventional current instrument transformer, unavoidably being collided with in use or transportation breaks down, and affects the function of instrument transformer.This patent bases oneself upon and solves this industry drawback, allows it have the safeguard function of anti-theft feature and binding post on portable and anticorrosion basis.
Summary of the invention
Purpose of the present invention is exactly in order to address the above problem, and provides a kind of office to put HF current transformer and preparation method thereof, and it has antitheft, as to ensure use safety advantage.
HF current transformer is put in a kind of office, comprise two semicircle magnetic cores that can be spliced into annulus, each described semicircle magnetic core is installed in separately the magnetic core groove, the upper surface of described magnetic core groove is provided with thin outer crust, the periphery of the upper surface of described magnetic core groove is provided with and the thin outer crust periphery anti-theft screw installing hole at some intervals one to one, realizes that by mounting screw in the described anti-theft screw installing hole thin outer crust is fixed on the magnetic core groove; The outside of two ends of each magnetic core groove is equipped with guide vane end stop, after fastening, two described magnetic core grooves form an annulus, two ends of a described magnetic core groove are fixed by guide vane end stop with two ends of the described magnetic core groove of another one respectively, be provided with the pin installing hole in the described guide vane end stop, be installed in by pin and realize being fixedly connected with of described guide vane end stop in the pin installing hole.
Be filled with epoxy resin in the space that forms after described magnetic core groove and thin outer crust are installed.
The outer encapsulating pipeline that is arranged with of at least one described magnetic core groove, described encapsulating device for cleaning pipeline is crossed the periphery that the encapsulating pad is fixed on described magnetic core groove II9.
Described magnetic core is connected on the cable by the binding post female, and described binding post female is installed in the outside of encapsulating pipeline.
The mid portion of each described magnetic core groove is equipped with ground hole.
The cross section of described magnetic core groove mid portion is U-shaped, and the cross section of described thin outer crust is L-type.
Fill with the epoxy resin that is useful on fixed terminals primary and secondary head, cable and magnetic core groove outer wall in the described encapsulating pipeline.
Also be respectively equipped with the encapsulating pipeline protection device on the magnetic core groove of described encapsulating pipeline both sides, described encapsulating pipeline protection device is inverted U-shaped projection.
The preparation method of described current transformer is as follows, mainly is divided into following steps:
Step (1): at first, magnetic core is placed in the magnetic core groove, after laying, with the epoxy resin perfusion, is loaded on thin outer crust, make magnetic core groove, epoxy resin and thin outer crust form an integral body, reach the purpose of IP68 waterproof;
Step (2): through 24 hours, after epoxy resin solidified, the magnetic core groove of two parts having been filled with glue was fixed together with pin;
Step (3): fill with epoxy resin in the encapsulating pipeline, purpose is with binding post female and cable and integral body of one of them magnetic core groove formation, reaches the purpose of waterproof.
The invention has the beneficial effects as follows:
(1) with the epoxy resin perfusion, is loaded on thin outer crust, makes magnetic core groove, epoxy resin and thin outer crust form an integral body, reach the purpose of IP68 waterproof;
(2) with anti-theft screw guide vane end stop is fixed to reach and be installed on antitheft purpose;
(3) also have two inverted U-shaped projections on this extended envelope in addition, be used for protecting the encapsulating pipeline to avoid colliding with.
Description of drawings
Fig. 1 is put HF current transformer overall structure schematic diagram for office;
Fig. 2 is put HF current transformer magnetic core scheme of installation for office;
Fig. 3 is magnetic core groove one schematic diagram;
Fig. 4 is magnetic core groove two schematic diagrames;
Wherein, 1. cable, 2. encapsulating pipeline, 3. encapsulating pad, 4. guide vane end stop I, 5. screw, 6. thin outer crust I, 7. magnetic core groove I, 8. guide vane end stop II, 9. magnetic core groove II, 10. thin outer crust II, 11. magnetic cores, 12. pins, 13. the binding post female, 14. pin installing holes, 15. anti-theft screw installing holes, 16. ground hole, 17. guide vane end stop III, 18. guide vane end stop IV.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
Shown in Fig. 1-4, HF current transformer is put in a kind of office, comprise two semicircle magnetic cores 11 that can be spliced into annulus, each described semicircle magnetic core 11 is installed in respectively in magnetic core groove I7 and the magnetic core groove II9, the upper surface of described magnetic core groove I7 and magnetic core groove II9 is respectively equipped with thin outer crust I6 and thin outer crust II10, the periphery of the upper surface of described magnetic core groove I7 and magnetic core groove II9 is provided with and thin outer crust I6 and the thin outer crust II10 periphery anti-theft screw installing hole 15 at some intervals one to one, realizes that by described anti-theft screw installing hole 15 interior mounting screws 5 thin outer crust I6 and thin outer crust II10 are separately fixed on magnetic core groove I7 and the magnetic core groove II9; The outside of two ends of magnetic core groove I7 is respectively equipped with guide vane end stop III17 and guide vane end stop IV18, the outside of two ends of magnetic core groove II9 is respectively equipped with guide vane end stop I4 and guide vane end stop II8, after fastening, described magnetic core groove I7 and magnetic core groove II9 form an annulus, two ends of described magnetic core groove I7 are fixed by guide vane end stop with two ends of described magnetic core groove II9 respectively, wherein, described guide vane end stop I4 and guide vane end stop III17 fasten, described guide vane end stop II8 and guide vane end stop IV18 fasten, described guide vane end stop I4, guide vane end stop II8, guide vane end stop III17, be provided with pin installing hole 14 in the guide vane end stop IV18, be installed in the described guide vane end stop I4 of pin installing hole 14 interior realizations by pin 12 and be fixedly connected with guide vane end stop III17, be installed in the described guide vane end stop II8 of pin installing hole 14 interior realizations by pin 12 and be fixedly connected with guide vane end stop IV18.
Be filled with epoxy resin in the space that forms after described magnetic core groove I7 and magnetic core groove II9 and thin outer crust I6 and thin outer crust II10 install.The outer encapsulating pipeline 2 that is arranged with of described magnetic core groove II9, described encapsulating pipeline 2 is fixed on the periphery of described magnetic core groove II9 by encapsulating pad 3.Described magnetic core 11 is connected on the cable 1 by binding post female 13, and described binding post female 13 is installed in the outside of encapsulating pipeline.The mid portion of described magnetic core groove I7 and magnetic core groove II9 is equipped with ground hole 16.The cross section of described magnetic core groove I7 and magnetic core groove II9 mid portion is U-shaped, and the cross section of described thin outer crust I6 and thin outer crust II10 is L-type.Described encapsulating pipeline 2 interior fillings are useful on the epoxy resin of the outer wall of the outer wall of fixed terminals primary and secondary head 13, cable 1, magnetic core groove I7 and magnetic core groove II9.Also be respectively equipped with the encapsulating pipeline protection device on the magnetic core groove II9 of described encapsulating pipeline 2 both sides, described encapsulating pipeline protection device is inverted U-shaped projection.
The preparation method of described current transformer is as follows, mainly is divided into following steps:
Step (1): at first, two magnetic cores 11 are placed in respectively among magnetic core groove I7 and the magnetic core groove II9, after laying, pour into epoxy resin, be loaded on thin outer crust I6 and thin outer crust II10, make magnetic core groove I7 and magnetic core groove II9, epoxy resin and thin outer crust I6 and thin outer crust II10 form an integral body, reach the purpose of IP68 waterproof;
Step (2): through 24 hours, after epoxy resin solidified, the magnetic core groove I7 and the magnetic core groove II9 that two parts have been filled with glue were fixed together with pin 12;
Step (3): fill with epoxy resin in the encapsulating pipeline, purpose is that binding post female 13 and cable 1 are formed an integral body with magnetic core groove II9, reaches the purpose of waterproof.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (9)
1. HF current transformer is put in an office, it is characterized in that, comprise two semicircle magnetic cores that can be spliced into annulus, each described semicircle magnetic core is installed in separately the magnetic core groove, the upper surface of described magnetic core groove is provided with thin outer crust, the periphery of the upper surface of described magnetic core groove is provided with and the thin outer crust periphery anti-theft screw installing hole at some intervals one to one, realizes that by mounting screw in the described anti-theft screw installing hole thin outer crust is fixed on the magnetic core groove; The outside of two ends of each magnetic core groove is equipped with guide vane end stop, after fastening, two described magnetic core grooves form an annulus, two ends of a described magnetic core groove are fixed by guide vane end stop with two ends of the described magnetic core groove of another one respectively, be provided with the pin installing hole in the described guide vane end stop, be installed in by pin and realize being fixedly connected with of described guide vane end stop in the pin installing hole.
2. HF current transformer is put in a kind of office as claimed in claim 1, it is characterized in that, is filled with epoxy resin in the space that forms after described magnetic core groove and thin outer crust are installed.
3. HF current transformer is put in a kind of office as claimed in claim 1, it is characterized in that, and the outer encapsulating pipeline that is arranged with of at least one described magnetic core groove, described encapsulating device for cleaning pipeline is crossed the periphery that the encapsulating pad is fixed on described magnetic core groove II9.
4. HF current transformer is put in a kind of office as claimed in claim 1, it is characterized in that described magnetic core is connected on the cable by the binding post female, and described binding post female is installed in the outside of encapsulating pipeline.
5. HF current transformer is put in a kind of office as claimed in claim 1, it is characterized in that the mid portion of each described magnetic core groove is equipped with ground hole.
6. HF current transformer is put in a kind of office as claimed in claim 1, it is characterized in that the cross section of described magnetic core groove mid portion is U-shaped, and the cross section of described thin outer crust is L-type.
7. HF current transformer is put in a kind of office as claimed in claim 1, it is characterized in that, fills with the epoxy resin that is useful on fixed terminals primary and secondary head, cable and magnetic core groove outer wall in the described encapsulating pipeline.
8. HF current transformer is put in a kind of office as claimed in claim 1, it is characterized in that also be respectively equipped with the encapsulating pipeline protection device on the magnetic core groove of described encapsulating pipeline both sides, described encapsulating pipeline protection device is inverted U-shaped projection.
9. put the HF current transformer preparation method such as the described a kind of office of above-mentioned arbitrary claim, it is characterized in that, mainly be divided into following steps:
Step (1): at first, magnetic core is placed in the magnetic core groove, after laying, with the epoxy resin perfusion, is loaded on thin outer crust, make magnetic core groove, epoxy resin and thin outer crust form an integral body, reach the purpose of IP68 waterproof;
Step (2): through 24 hours, after epoxy resin solidified, the magnetic core groove of two parts having been filled with glue was fixed together with pin;
Step (3): fill with epoxy resin in the encapsulating pipeline, purpose is with binding post female and cable and integral body of one of them magnetic core groove formation, reaches the purpose of waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323584.1A CN103354162B (en) | 2013-07-29 | 2013-07-29 | HF current transformer and preparation method thereof is put in office |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323584.1A CN103354162B (en) | 2013-07-29 | 2013-07-29 | HF current transformer and preparation method thereof is put in office |
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| Publication Number | Publication Date |
|---|---|
| CN103354162A true CN103354162A (en) | 2013-10-16 |
| CN103354162B CN103354162B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310323584.1A Active CN103354162B (en) | 2013-07-29 | 2013-07-29 | HF current transformer and preparation method thereof is put in office |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140872A (en) * | 2015-09-16 | 2015-12-09 | 山东康威通信技术股份有限公司 | Armored protective layer monitoring terminal structure and mounting method thereof |
| CN108999974A (en) * | 2018-06-22 | 2018-12-14 | 山东康威通信技术股份有限公司 | A kind of open-close type sensor sealing structure and method |
| CN115327184A (en) * | 2022-10-17 | 2022-11-11 | 广东电网有限责任公司东莞供电局 | Mobile electricity consumption monitoring device with anti-theft function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59229811A (en) * | 1983-06-13 | 1984-12-24 | Toshiba Corp | Mold split type current transformer |
| JPH09213551A (en) * | 1996-01-29 | 1997-08-15 | Toko Denki Kk | Current transformer |
| CN201163573Y (en) * | 2008-01-24 | 2008-12-10 | 北京恒源利通电力技术有限公司 | Openable current mutual inductor |
| CN201667273U (en) * | 2009-11-27 | 2010-12-08 | 厦门安达兴电气有限公司 | Structure of current transformer |
| CN202421415U (en) * | 2011-11-28 | 2012-09-05 | 甘肃省电力公司兰州超高压输变电公司 | High frequency current transformer for partial discharge test |
| CN203415396U (en) * | 2013-07-29 | 2014-01-29 | 山东康威通信技术股份有限公司 | Partial discharge high-frequency current transformer |
-
2013
- 2013-07-29 CN CN201310323584.1A patent/CN103354162B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59229811A (en) * | 1983-06-13 | 1984-12-24 | Toshiba Corp | Mold split type current transformer |
| JPH09213551A (en) * | 1996-01-29 | 1997-08-15 | Toko Denki Kk | Current transformer |
| CN201163573Y (en) * | 2008-01-24 | 2008-12-10 | 北京恒源利通电力技术有限公司 | Openable current mutual inductor |
| CN201667273U (en) * | 2009-11-27 | 2010-12-08 | 厦门安达兴电气有限公司 | Structure of current transformer |
| CN202421415U (en) * | 2011-11-28 | 2012-09-05 | 甘肃省电力公司兰州超高压输变电公司 | High frequency current transformer for partial discharge test |
| CN203415396U (en) * | 2013-07-29 | 2014-01-29 | 山东康威通信技术股份有限公司 | Partial discharge high-frequency current transformer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140872A (en) * | 2015-09-16 | 2015-12-09 | 山东康威通信技术股份有限公司 | Armored protective layer monitoring terminal structure and mounting method thereof |
| CN105140872B (en) * | 2015-09-16 | 2018-12-18 | 山东康威通信技术股份有限公司 | Armouring sheath monitors terminal structure and its installation method |
| CN108999974A (en) * | 2018-06-22 | 2018-12-14 | 山东康威通信技术股份有限公司 | A kind of open-close type sensor sealing structure and method |
| CN108999974B (en) * | 2018-06-22 | 2020-03-10 | 山东康威通信技术股份有限公司 | Opening-closing type sensor sealing structure and method |
| CN115327184A (en) * | 2022-10-17 | 2022-11-11 | 广东电网有限责任公司东莞供电局 | Mobile electricity consumption monitoring device with anti-theft function |
| CN115327184B (en) * | 2022-10-17 | 2023-09-26 | 广东电网有限责任公司东莞供电局 | Portable power consumption monitoring devices with theftproof function |
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| Publication number | Publication date |
|---|---|
| CN103354162B (en) | 2015-12-02 |
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Denomination of invention: Partial discharge high-frequency current transformer and preparation method thereof Effective date of registration: 20170928 Granted publication date: 20151202 Pledgee: Ji'nan finance Company limited by guarantee Pledgor: Shandong Conwell Communication Technology Co., Ltd. Registration number: 2017370000149 |
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Denomination of invention: Partial discharge high-frequency current transformer and preparation method thereof Effective date of registration: 20181207 Granted publication date: 20151202 Pledgee: Ji'nan finance Company limited by guarantee Pledgor: Shandong Conwell Communication Technology Co., Ltd. Registration number: 2018370000221 |
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Denomination of invention: Partial discharge high-frequency current transformer and preparation method thereof Effective date of registration: 20191029 Granted publication date: 20151202 Pledgee: Ji'nan finance Company limited by guarantee Pledgor: Shandong Conwell Communication Technology Co., Ltd. Registration number: Y2019370000076 |
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Address after: 250101 Qilu Software Park Pioneering Plaza F Block A203, Shunhua Road, Jinan High-tech Development Zone, Shandong Province Patentee after: Conway Communication Technology Co., Ltd Address before: High tech Development Zone in Ji'nan City, Shandong province 250101 Shun Road 1, Qilu Software Park F-1 block A203 Patentee before: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd. |
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