CN1996520A - Outdoor high-voltage mutual inductor - Google Patents
Outdoor high-voltage mutual inductor Download PDFInfo
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- CN1996520A CN1996520A CN 200610114596 CN200610114596A CN1996520A CN 1996520 A CN1996520 A CN 1996520A CN 200610114596 CN200610114596 CN 200610114596 CN 200610114596 A CN200610114596 A CN 200610114596A CN 1996520 A CN1996520 A CN 1996520A
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- mutual inductor
- shell
- main insulation
- voltage mutual
- outdoor high
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Abstract
This invention relates to one outdoor high voltage mutual-inductor in power device technique field, which comprises iron core, coil pack, main insulation materials, insulation cover tube, high voltage fuse and shell, wherein, the iron core and coil are put into main insulation materials outside shell; the insulation cover tube is inserted to shell top and the high voltage fuse into axis core with top end set with top cover and down part with spring.
Description
Technical field
The present invention relates to a kind of outdoor high-voltage mutual inductor, specifically, relate to the outdoor high-voltage mutual inductor of a kind of energy cracking resistance, anti-vibration, belong to electrical equipment technical field.
Background technology
10kV～35kV grade high voltage potential transformer product that existing electric power system is used, its structure as shown in Figure 1, wherein 1 is iron core, the 2nd, line bag, the 3rd, resilient coating, the 4th, main insulation material, the 5th, insulating sleeve.Main insulation material wherein is rigid solid dielectric insulation (as: epoxy resin etc.), folder pad one deck is than the resilient coating 3 of book between main insulation material 4 and the iron core 1, it generally is soft buffer medium, when fast the or temperature difference is big when variation of ambient temperature, because main insulation material 4 is inconsistent with the thermal expansion factor of the material of iron core 1, thereby the very big internal stress of generation, if the deformation of resilient coating is not enough, also can cause main insulation material 4 crackings, and the stressed electrical characteristics that also can occur after too big of iron core 1 change or the like problem, and it is rapid that therefore this constructed products is not suitable on the similar electric locomotive roof variations in temperature, the severe rugged environment of the big and sustained vibration of the temperature difference.And the middle-ultraviolet lamp of anti-sunlight of above-mentioned insulating material irradiation capability a little less than, also influenced useful life of product.
What the high voltage potential transformer that uses in the electric locomotive at present generally adopted is liquid insulating medium (transformer oil), and structure is as shown in Figure 2, among Fig. 2, and the 1st, iron core, the 2nd, line bag, the 4th, main insulation material, the 5th, insulating sleeve, the 8th, shell.The high voltage potential transformer of this structure is big, the Heavy Weight of volume not only, the regular maintenance existing problems, and for example insulating oil needs regularly to detect and filter, and the oil leaking pollution problem can appear in long-term use, handles untimely meeting and brings potential safety hazard.And be subjected to the limited spatial limitation of locomotive roof, the installing space of product and the weight of self all there are higher requirement.In order to satisfy the needs of safe operation; between high voltage potential transformer and electrical network, also require to insert high-tension fuse and protect power supply network and high voltage potential transformer product; and existing high-tension fuse and high voltage potential transformer are the partial installation structure; this has just taken bigger installing space; keeping a public place clean, it is also inconvenient to safeguard, has increased maintenance cost.
Summary of the invention
The objective of the invention is to propose a kind of outdoor high-voltage mutual inductor, change the structure of existing two kinds of high voltage potential transformers, eliminate because the strong stress in inside that the variation of high and low temperature produces, thereby the dielectric of avoiding causing thus cracking and ambient vibration produce harmful effect to voltage transformer structure and electrical property, prolong product useful life.
The outdoor high-voltage mutual inductor that the present invention proposes comprises iron core, line bag, main insulation body, insulating sleeve, also comprises shell, and described iron core and line bag place the main insulation body, and the main insulation body places shell; Described insulating sleeve is plugged on the top of described shell.
Above-mentioned outdoor high-voltage mutual inductor can also comprise high-tension fuse, and described high-tension fuse places the axle core of insulating sleeve, and the top of high-tension fuse is provided with loam cake, and the bottom is provided with spring.
Main insulation body in the above-mentioned outdoor high-voltage mutual inductor can be made by having flexible solid insulating material.For example make by epoxy resin toughened or silicon rubber.
Shell in the above-mentioned outdoor high-voltage mutual inductor can be made by the toughness insulating material of ultra-violet radiation resisting.For example make by polyimide based resin or glass-reinforced plastic material.
The outdoor high-voltage mutual inductor that the present invention proposes, can be under the environment of wide temperature range and long-term vibration operate as normal, can resist the intense UV rays irradiation, make product have long useful life.Owing to adopt and the incorporate mounting structure of high-tension fuse, can reduce essential installing space, under safing condition, take less installing space, easy maintenance saves time, and expense is few.
Description of drawings
Fig. 1 is the high voltage potential transformer structural representation of existing solid insulation cast.
Fig. 2 is the existing structural representation that contains the high voltage potential transformer of shell and iknsulating liquid (transformer oil).
Fig. 3 is the structural representation of the outdoor high-voltage mutual inductor that proposes of the present invention.
Fig. 4 is the structural representation of the integrated outdoor high-voltage mutual inductor that carries high-tension fuse that proposes of the present invention.
Fig. 5 is a high voltage potential transformer mesohigh fuse structural representation partly shown in Figure 4.
Among Fig. 1～Fig. 5, the 1st, iron core, the 2nd, line bag, the 3rd, resilient coating, the 4th, main insulation body, the 5th, insulating sleeve, the 6th, high-tension fuse, the 7th, spring, the 8th, shell, the 9th, loam cake, the 10th, high-voltage terminal.
Embodiment
The outdoor high-voltage mutual inductor that the present invention proposes, its structure comprises iron core 1, line bag 2, main insulation body 4, insulating sleeve 5 as shown in Figure 3, also comprises shell 8.Iron core 1 and line bag 2 place main insulation body 4, and main insulation body 4 places shell 8.Insulating sleeve 5 is plugged on the top of shell 8.
Above-mentioned outdoor high-voltage mutual inductor can also comprise high-tension fuse, and its structure as shown in Figure 4.High-tension fuse 6 places the axle core of insulating sleeve 5, and the top of high-tension fuse 6 is provided with loam cake 9, and the bottom is provided with spring 7.
Main insulation body in the above-mentioned outdoor high-voltage mutual inductor can be made by having flexible solid insulating material.For example make by epoxy resin toughened or silicon rubber.
Shell in the above-mentioned outdoor high-voltage mutual inductor can be made by the toughness insulating material of ultra-violet radiation resisting.For example make by polyimide based resin (MPI) or glass-reinforced plastic material.
The main insulation body 4c of voltage transformer of the present invention adopts has flexible solid insulating material, to reduce the ill-effect of the internal stress that variations in temperature causes.The external parcel one deck of main insulation high tenacity insulation crust strengthens bulk strength, and this shell is made by insulating material that can anti-strong ultraviolet radiation, can prevent ageing of insulation, increases product useful life.High-tension fuse 6 places the axle core space of insulator sleeve pipe mesohigh outlet 10, become one structure with high voltage potential transformer, high-tension fuse 6 bottoms are the compressing structure of band spring 7, good with the contact that guarantees high-voltage terminal 10, when opening loam cake 9, spring 7 ejects fuse 6, makes it be easy to take out replacing.High-tension fuse 6 is placed in the axle core position of insulating sleeve 5, and the bottom of high-tension fuse 6 is connected by spring 7 and line bag high-voltage terminal 10, and the upper end passes to external power grid by loam cake 9, and loam cake 9 is demountable.
Main insulation body 4 can be the silastic material with excellent in resistance temperature characteristics, has kept stable pliability and dielectric strength on very wide temperature range.Shell 8 is to be made by the glass-reinforced plastic material (resin adds glass fibre) of insulation, and existing intensity is flexible again.The kind of resin can be the MPI resin of UV resistant.The structure that contains high-tension fuse 6 has improved security of products, and saves installing space.
Claims (6)
1, a kind of outdoor high-voltage mutual inductor comprises iron core, line bag, main insulation body, insulating sleeve, it is characterized in that also comprising shell, and described iron core and line bag place the main insulation body, and the main insulation body places shell; Described insulating sleeve is plugged on the top of described shell.
2, outdoor high-voltage mutual inductor as claimed in claim 1 is characterized in that also comprising high-tension fuse, and described high-tension fuse places the axle core of insulating sleeve, and the top of high-tension fuse is provided with loam cake, and the bottom is provided with spring.
3, outdoor high-voltage mutual inductor as claimed in claim 1 is characterized in that wherein said main insulation body makes by having flexible solid insulating material.
4, outdoor high-voltage mutual inductor as claimed in claim 3 is characterized in that wherein said main insulation body made by epoxy resin toughened or silicon rubber.
5, outdoor high-voltage mutual inductor as claimed in claim 1 is characterized in that wherein said shell made by the toughness insulating material of ultra-violet radiation resisting.
6, high voltage potential transformer as claimed in claim 5 is characterized in that wherein said shell made by polyimide based resin or glass-reinforced plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610114596 CN1996520A (en) | 2006-11-17 | 2006-11-17 | Outdoor high-voltage mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610114596 CN1996520A (en) | 2006-11-17 | 2006-11-17 | Outdoor high-voltage mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1996520A true CN1996520A (en) | 2007-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610114596 Pending CN1996520A (en) | 2006-11-17 | 2006-11-17 | Outdoor high-voltage mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1996520A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304302A (en) * | 2015-11-23 | 2016-02-03 | 国网上海市电力公司 | Primary fuse operable outdoor voltage transformer assembly |
-
2006
- 2006-11-17 CN CN 200610114596 patent/CN1996520A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304302A (en) * | 2015-11-23 | 2016-02-03 | 国网上海市电力公司 | Primary fuse operable outdoor voltage transformer assembly |
| CN105304302B (en) * | 2015-11-23 | 2017-09-12 | 国网上海市电力公司 | A kind of operable type outdoor voltage transformer component of a fuse |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |