CN107546018A - Device body inside a kind of voltage transformer of fusible core of three phase combined band - Google Patents
Device body inside a kind of voltage transformer of fusible core of three phase combined band Download PDFInfo
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- CN107546018A CN107546018A CN201710952221.2A CN201710952221A CN107546018A CN 107546018 A CN107546018 A CN 107546018A CN 201710952221 A CN201710952221 A CN 201710952221A CN 107546018 A CN107546018 A CN 107546018A
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Abstract
Device body inside a kind of voltage transformer of three phase combined fusible core of band proposed by the present invention, including iron core, first winding and secondary winding, connected between first winding and iron core by hoisting connecting piece, ensure that position is constant, it is bonded between first winding and secondary winding by epoxy resin layer, once connection inserting part is drawn in first winding, fuse is connected with connection inserting part, the present invention is simple in construction, it is reasonable in design, help to ensure that the spacing of first winding and secondary winding is stable, uniformly, reduce power frequency breakdown and shelf depreciation, pouring technology flow can be simplified simultaneously, the production efficiency of booster tension transformer.
Description
Technical field
The present invention relates to voltage transformer field, more particularly to a kind of voltage transformer of fusible core of three phase combined band
Internal device body.
Background technology
In Operation of Electric Systems, one of voltage transformer equipment important as power system, the energy of its stable operation
Power is very crucial, the inside device body (iron core, first winding and secondary winding) of three-phase combined voltage transformer originally, is mostly
Poured into a mould by the way of second pouring, be that first winding can not using the main reason for old-fashioned second pouring mode
Positioning, the position relationship of first winding and secondary winding need to just be guaranteed in once-cast, therefore, need first by once around
Internal device body and ceramic shell cast, could then be integrated by group and secondary winding cast connection, and in order to ensure to pour for the first time
The efficiency of note, it is directly to be poured into a mould using PMP composite membranes mostly, after cast between first winding and secondary winding, easy work
Frequency breakdown and shelf depreciation, and cause the production efficiency of voltage transformer to be greatly diminished.
The content of the invention
The present invention proposes device body inside a kind of voltage transformer of fusible core of three phase combined band regarding to the issue above,
Possess the characteristics of intelligent temperature control, the security of lifting switch cabinet.
Specific technical scheme is as follows：
Device body inside a kind of voltage transformer of fusible core of three phase combined band, including iron core, first winding and secondary
Winding, the rectangular mount structure of iron core, the secondary winding are wound on iron core, the first winding be divided to two sections be enclosed on it is secondary around
In group, bonded together between first winding and secondary winding by epoxy resin layer；
In cylinder, the cylindrical axis that both is in is that same is straight for the first winding and secondary winding
Line；
The upper end both sides of the first winding are provided with symmetrical hoisting connecting piece, the hoisting connecting piece include connecting plate and
Insulated column, the connecting plate include the first connecting plate and the second connecting plate, and first connecting plate is in circular arc, and its lower surface is tight
First winding outer surface is pasted, and is adhesively fixed by epoxyn and first winding, second connecting plate and first
Connecting plate is integral type structure, and vertical with the first connecting plate is bonded；The upper end of the insulated column and the side of the second connecting plate,
It is fixedly connected by screw, its lower end is fixedly connected with iron core；
Once connection inserting part is drawn in the first winding, fuse is connected with a connection inserting part；It is described
PMP composite membranes are coated with outside first winding and secondary winding, are coated with successively from inside to outside on the outer surface of the iron core poly-
Membrane of lipoprotein, insulation crimped paper, semiconductor crimped paper.
Device body inside a kind of voltage transformer of above-mentioned three phase combined fusible core of band, wherein, the iron core, once
Winding and secondary winding are connected as a single entity by pouring type and voltage transformer magnetic shell.
Device body inside a kind of voltage transformer of above-mentioned three phase combined fusible core of band, wherein, it is described once to connect
Inserts and fuse are embedded in the column casing of voltage transformer.
Beneficial effects of the present invention are：
Device body inside a kind of voltage transformer of three phase combined fusible core of band proposed by the present invention, including iron core, one
Secondary winding and secondary winding, are connected between first winding and iron core by hoisting connecting piece, it is ensured that position is constant, first winding and
It is bonded between secondary winding by epoxy resin layer, once connection inserting part is drawn in first winding, is connected on a connection inserting part
Fuse is connected to, the present invention is simple in construction, reasonable in design, helps to ensure that the spacing of first winding and secondary winding is stable, equal
It is even, power frequency breakdown and shelf depreciation are reduced, while pouring technology flow can be simplified, the production efficiency of booster tension transformer.
Brief description of the drawings
Fig. 1 schematic diagrames of the present invention.
Fig. 2 side views of the present invention (without a connection inserting part and fuse).
Fig. 3 a-quadrants sectional view.
Fig. 4 voltage transformer schematic diagrames.
Embodiment
To make technical scheme become apparent from clearly, the present invention is described further below in conjunction with the accompanying drawings,
Any scheme drawn to the technical characteristic progress equivalencing of technical solution of the present invention and conventional reasoning each falls within guarantor of the present invention
Protect scope.
Device body inside a kind of voltage transformer of fusible core of three phase combined band, including iron core 1, first winding 2 and two
Secondary winding 3, the 1 rectangular mount structure of iron core, the secondary winding 3 are wound on iron core 1, and the first winding 2 is divided to two sections of sets
In secondary winding 3, bonded together between first winding 2 and secondary winding 3 by epoxy resin layer 4；
In cylinder, the cylindrical axis that both is in is that same is straight for the first winding 2 and secondary winding 3
Line；
The upper end both sides of the first winding 2 are provided with symmetrical hoisting connecting piece, and the hoisting connecting piece includes connecting plate 4
With insulated column 5, the connecting plate 4 includes the first connecting plate 41 and the second connecting plate 42, and first connecting plate 41 is in circular arc,
The outer surface of first winding 2 is close in its lower surface, and is adhesively fixed by epoxyn and first winding 2, and described second
The connecting plate 41 of connecting plate 42 and first is integral type structure, and vertical with the first connecting plate 41 is bonded；The upper end of the insulated column 5
With the side of the second connecting plate 42, it is fixedly connected by screw, its lower end is fixedly connected with iron core 1；
Once connection inserting part 6 are drawn in the first winding 2, fuse 7 is connected with a connection inserting part 6；
PMP composite membranes are coated with outside the first winding 2 and secondary winding 3, are wrapped successively from inside to outside on the outer surface of the iron core 1
It is covered with mylar 8, insulation crimped paper 9, semiconductor crimped paper 10.
Device body inside a kind of voltage transformer of above-mentioned three phase combined fusible core of band, wherein, the iron core 1, one
Secondary winding 2 and secondary winding 3 are connected as a single entity by pouring type and the ceramic shell 12 of voltage transformer 11.
Device body inside a kind of voltage transformer of above-mentioned three phase combined fusible core of band, wherein, it is described once to connect
Inserts 6 and fuse 7 are embedded in the column casing 13 of voltage transformer 11.
In the present embodiment, as iron core, first winding and the secondary winding of device body component inside voltage transformer, it is installed
There is different, the hoisting connecting piece of setting in mode, effect one is, by first winding and iron core from old-fashioned second pouring mode
Position is stable, and effect two is, the ceramic shell of internal device body component and voltage transformer is connected；Then directly use asphalt mixtures modified by epoxy resin
Fat compound, cast are integrated, and epoxy resin layer are automatically formed between first winding and secondary winding, and both are bonded.
The main reason for old-fashioned second pouring mode, is that first winding can not position, therefore, need first by once around
Internal device body and ceramic shell cast, could then be integrated by group and secondary winding cast connection, and in order to ensure to pour for the first time
The efficiency of note, it is directly to be poured into a mould using PMP composite membranes mostly, after cast between first winding and secondary winding, easy work
Frequency breakdown and shelf depreciation.
Claims (3)
1. device body inside a kind of voltage transformer of fusible core of three phase combined band, including iron core, first winding and it is secondary around
Group, the rectangular mount structure of iron core, the secondary winding are wound on iron core, and the first winding is divided to two sections to be enclosed on secondary winding
On, bonded together between first winding and secondary winding by epoxy resin layer；
In cylinder, the cylindrical axis that both is in is same straight line for the first winding and secondary winding；
The upper end both sides of the first winding are provided with symmetrical hoisting connecting piece, and the hoisting connecting piece includes connecting plate and insulation
Post, the connecting plate include the first connecting plate and the second connecting plate, and first connecting plate is in circular arc, and its lower surface is close to one
Secondary winding outer surface, and be adhesively fixed by epoxyn and first winding, second connecting plate is connected with first
Plate is integral type structure, and vertical with the first connecting plate is bonded；The upper end of the insulated column and the side of the second connecting plate, pass through
Screw is fixedly connected, and its lower end is fixedly connected with iron core；
Once connection inserting part is drawn in the first winding, fuse is connected with a connection inserting part；It is described once
PMP composite membranes are coated with outside winding and secondary winding, it is thin to be coated with polyester successively from inside to outside on the outer surface of the iron core
Film, insulation crimped paper, semiconductor crimped paper.
2. device body inside a kind of voltage transformer of three phase combined fusible core of band as claimed in claim 1, its feature exist
In the iron core, first winding and secondary winding are connected as a single entity by pouring type and voltage transformer magnetic shell.
3. device body inside a kind of voltage transformer of three phase combined fusible core of band as claimed in claim 1, its feature exist
In a connection inserting part and fuse are embedded in the column casing of voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952221.2A CN107546018B (en) | 2017-10-13 | 2017-10-13 | Three-phase combined type voltage transformer internal body with primary melting core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952221.2A CN107546018B (en) | 2017-10-13 | 2017-10-13 | Three-phase combined type voltage transformer internal body with primary melting core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107546018A true CN107546018A (en) | 2018-01-05 |
| CN107546018B CN107546018B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710952221.2A Active CN107546018B (en) | 2017-10-13 | 2017-10-13 | Three-phase combined type voltage transformer internal body with primary melting core |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630420A (en) * | 2018-07-16 | 2018-10-09 | 国网四川省电力公司电力科学研究院 | A kind of three element combination transformer of three-phase |
| CN108831726A (en) * | 2018-06-05 | 2018-11-16 | 河南森源电气股份有限公司 | A kind of voltage transformer |
| CN112735793A (en) * | 2020-12-21 | 2021-04-30 | 北京中车赛德铁道电气科技有限公司 | Double-flow system voltage transformer for locomotive |
| CN113724964A (en) * | 2021-07-21 | 2021-11-30 | 华为数字能源技术有限公司 | Transformer and insulation packaging method thereof |
Citations (7)
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| CN203118750U (en) * | 2013-01-14 | 2013-08-07 | 深圳市第二互感器科技有限公司 | Voltage transformer |
| CN203799854U (en) * | 2014-04-30 | 2014-08-27 | 江苏苏爱尔电力设备有限公司 | Pouring type voltage transformer body |
| CN203966826U (en) * | 2014-07-25 | 2014-11-26 | 湖北新天成电气有限公司 | Winding locating support of a kind of voltage transformer |
| CN204360905U (en) * | 2015-02-03 | 2015-05-27 | 淄博川煦电气科技有限公司 | A kind of voltage transformer winding supporting structure |
| CN204792372U (en) * | 2015-07-10 | 2015-11-18 | 合肥元贞电力科技股份有限公司 | Dry -type electrical transformer cored winding part mounting structure |
| KR20160114975A (en) * | 2015-03-25 | 2016-10-06 | 주식회사 평일 | potential transformer having separation type fuse |
| CN206040379U (en) * | 2016-08-31 | 2017-03-22 | 中国西电集团公司 | Voltage transformer |
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2017
- 2017-10-13 CN CN201710952221.2A patent/CN107546018B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203118750U (en) * | 2013-01-14 | 2013-08-07 | 深圳市第二互感器科技有限公司 | Voltage transformer |
| CN203799854U (en) * | 2014-04-30 | 2014-08-27 | 江苏苏爱尔电力设备有限公司 | Pouring type voltage transformer body |
| CN203966826U (en) * | 2014-07-25 | 2014-11-26 | 湖北新天成电气有限公司 | Winding locating support of a kind of voltage transformer |
| CN204360905U (en) * | 2015-02-03 | 2015-05-27 | 淄博川煦电气科技有限公司 | A kind of voltage transformer winding supporting structure |
| KR20160114975A (en) * | 2015-03-25 | 2016-10-06 | 주식회사 평일 | potential transformer having separation type fuse |
| CN204792372U (en) * | 2015-07-10 | 2015-11-18 | 合肥元贞电力科技股份有限公司 | Dry -type electrical transformer cored winding part mounting structure |
| CN206040379U (en) * | 2016-08-31 | 2017-03-22 | 中国西电集团公司 | Voltage transformer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831726A (en) * | 2018-06-05 | 2018-11-16 | 河南森源电气股份有限公司 | A kind of voltage transformer |
| CN108630420A (en) * | 2018-07-16 | 2018-10-09 | 国网四川省电力公司电力科学研究院 | A kind of three element combination transformer of three-phase |
| CN112735793A (en) * | 2020-12-21 | 2021-04-30 | 北京中车赛德铁道电气科技有限公司 | Double-flow system voltage transformer for locomotive |
| CN112735793B (en) * | 2020-12-21 | 2022-05-10 | 北京中车赛德铁道电气科技有限公司 | Double-flow system voltage transformer for locomotive |
| CN113724964A (en) * | 2021-07-21 | 2021-11-30 | 华为数字能源技术有限公司 | Transformer and insulation packaging method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107546018B (en) | 2023-09-29 |
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