CN202585084U - Novel 20KV low-magnetic flux combined voltage transformer - Google Patents
Novel 20KV low-magnetic flux combined voltage transformer Download PDFInfo
- Publication number
- CN202585084U CN202585084U CN 201220161236 CN201220161236U CN202585084U CN 202585084 U CN202585084 U CN 202585084U CN 201220161236 CN201220161236 CN 201220161236 CN 201220161236 U CN201220161236 U CN 201220161236U CN 202585084 U CN202585084 U CN 202585084U
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- winding
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- fuse
- primary
- magnetic flux
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Abstract
The utility model relates to a novel 20KV low-magnetic flux combined voltage transformer which comprises a primary connecting screw, a secondary junction box, a fuse, a primary winding, a primary skeleton, a secondary winding, a secondary skeleton, an iron core, a main insulator and a mounting bottom plate. The iron core is installed in the secondary skeleton in a penetrating manner; the secondary winding is installed outside the secondary skeleton in a winding manner; the main insulator is arranged at the periphery of the secondary winding; the primary skeleton is arranged at the periphery of the main insulator; and the primary winding is arranged on the primary skeleton in a winding manner. The fuse is arranged above the primary winding; a primary connecting light cap and a copper sleeve are respectively arranged at the two ends of the fuse; the structure is cast into a casing body with an integral structure by adopting epoxy resin; and the installing bottom plate is fixedly connected with the bottom end of the casting body. The novel 20KV low-magnetic flux combined voltage transformer has the effects that by adopting a seamless iron core structure, the overvoltage multiple is effectively improved, and 3.5 times of overvoltage can be reached; by adopting a casting integrated structure, namely a built-in fuse scheme, a lot of space is saved; and the novel 20KV low-magnetic flux combined voltage transformer has the advantages of small size, high precision, good overvoltage resistance and convenience in installation and maintenance.
Description
Technical field
The utility model relates to instrument transformer, particularly relates to a kind of novel 20KV low magnetic flux combination
The formula voltage transformer.
Background technology
In the mains supply process; The metered voltage instrument transformer is promptly required high-precision measuring under minimum volume; High anti overvoltage ability also will be arranged, and the traditional voltage instrument transformer generally is to adopt two monomers to be connected into the V/V mode of connection, and the anti overvoltage ability is generally about 1.9 times; Not only volume is big, and very easily burns.
The utility model content
The technical problem that the utility model will solve, it is little to provide a kind of volume, and precision is high, and is anti-
Overvoltage capabilities is good, installs and novel 20KV low magnetic flux composite type voltage instrument transformer easy to maintenance.
The technical scheme that adopts is:
A kind of novel 20KV low magnetic flux composite type voltage instrument transformer comprises primary connection screw, secondary connection box, fuse, winding, skeleton, secondary winding, secondary skeleton, iron core, main insulation, installation base plate.Described iron core is seamless core structure, and iron core is threaded onto in the secondary skeleton, and secondary skeleton installs around secondary winding outward, and the secondary winding periphery is provided with main insulation, and the main insulation periphery is provided with skeleton one time, and winding installs around on skeleton.The top of a said winding is provided with fuse; The fuse two ends are equipped with respectively and are once connected light cap and copper sheathing; Adopt poured with epoxy resin that said fuse, winding, secondary winding, iron core, primary connection screw, a secondary connection box are poured into an integrally-built pour mass; Base plate is installed is fixedly connected on the pour mass bottom, constitute low magnetic flux composite type voltage instrument transformer.
The utility model adopts seamless iron construction, under constancy of volume, incompressibility, has effectively improved the overvoltage multiple, can reach 3.5 times of overvoltage; Adopt the cast integral structure, promptly built-in fuse scheme has been saved big quantity space than traditional structure and mounting means, and it is little to have a volume, and precision is high, and anti-overvoltage capabilities is good, installs and advantage easy to maintenance.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the right side view of Fig. 1.
Embodiment
A kind of novel 20KV low magnetic flux composite type voltage instrument transformer comprises primary connection screw 1, secondary connection box 11, fuse 3, winding 5, skeleton 6, secondary winding 8, secondary skeleton 10, iron core 9, a main insulation 7, base plate 13 is installed.Described iron core 9 is seamless core structure, and iron core 9 is threaded onto in the secondary skeleton 10, and secondary skeleton 10 is outer to install around secondary winding 8, and secondary winding 8 peripheries are provided with main insulation 7, and main insulation 7 peripheries are provided with 6, windings 5 of a skeleton and install around on skeleton 6.The top of a said winding 5 is provided with fuse 3; Fuse 3 two ends are equipped with respectively and are once connected light cap 4 and copper sheathing 2; Adopt epoxy resin that said fuse 3, winding 5, secondary winding 8, iron core 9, primary connection screw 1, a secondary connection box 11 are poured into an integrally-built pour mass 12; Base plate 13 is installed is fixedly connected on pour mass 12 bottoms, constitute a kind of 20KV low magnetic flux composite type voltage instrument transformer.
Claims (1)
1. novel 20KV low magnetic flux composite type voltage instrument transformer; Comprise primary connection screw (1), secondary connection box (11), fuse (3), a winding (5), a skeleton (6), secondary winding (8), secondary skeleton (10), iron core (9), main insulation (7), base plate (13) is installed; It is characterized in that described iron core (9) is seamless core structure; Iron core (9) is threaded onto in the secondary skeleton (10); Secondary skeleton (10) is outer to install around secondary winding (8), and secondary winding (8) periphery is provided with main insulation (7), and main insulation (7) periphery is provided with a skeleton (6); A winding (5) installs around on a skeleton (6); The top of a winding (5) is provided with fuse (3), and fuse (3) two ends are equipped with respectively and are once connected light cap (4) and copper sheathing (2), adopts epoxy resin that said fuse (3), a winding (5), secondary winding (8), iron core (9), primary connection screw (1), secondary connection box (11) are poured into an integrally-built pour mass (12); Base plate (13) is installed is fixedly connected on pour mass (12) bottom, constitute low magnetic flux composite type voltage instrument transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220161236 CN202585084U (en) | 2012-04-17 | 2012-04-17 | Novel 20KV low-magnetic flux combined voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220161236 CN202585084U (en) | 2012-04-17 | 2012-04-17 | Novel 20KV low-magnetic flux combined voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585084U true CN202585084U (en) | 2012-12-05 |
Family
ID=47254470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220161236 Expired - Fee Related CN202585084U (en) | 2012-04-17 | 2012-04-17 | Novel 20KV low-magnetic flux combined voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280365A (en) * | 2015-10-26 | 2016-01-27 | 常州欧瑞电气有限公司 | General voltage transformer for 10-20kV system |
-
2012
- 2012-04-17 CN CN 201220161236 patent/CN202585084U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280365A (en) * | 2015-10-26 | 2016-01-27 | 常州欧瑞电气有限公司 | General voltage transformer for 10-20kV system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170417 |