CN207409373U - 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
- Publication number
- CN207409373U CN207409373U CN201721319404.2U CN201721319404U CN207409373U CN 207409373 U CN207409373 U CN 207409373U CN 201721319404 U CN201721319404 U CN 201721319404U CN 207409373 U CN207409373 U CN 207409373U
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- China
- Prior art keywords
- winding
- voltage transformer
- connecting plate
- secondary winding
- iron core
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- Expired - Fee Related
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Abstract
The utility model proposes a kind of three phase combined fusible core of band voltage transformer inside device body, including iron core, first winding and secondary winding, it is 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 on connection inserting part, the utility model is simple in structure, design is reasonable, help to ensure that the spacing of first winding and secondary winding is stablized, uniformly, reduce power frequency breakdown and shelf depreciation, pouring technology flow can be simplified simultaneously, promote the production efficiency of voltage transformer.
Description
Technical field
The utility model is related to voltage transformer field, more particularly to a kind of voltage of fusible core of three phase combined band is mutual
Device body inside sensor.
Background technology
In Operation of Electric Systems, one of voltage transformer equipment important as electric system, the energy of stable operation
Power is very crucial, and the inside device body (iron core, first winding and secondary winding) of three-phase combined voltage mutual inductor originally is mostly
It is poured into a mould by the way of second pouring, is 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 is mostly directly to be poured into a mould using PMP composite membranes, after cast between first winding and secondary winding, easy work
Frequency breakdown and shelf depreciation, and the production efficiency of voltage transformer is caused to be greatly diminished.
Utility model content
The utility model is proposed regarding to the issue above inside a kind of voltage transformer of fusible core of three phase combined band
Device body possesses the characteristics of intelligent temperature control, the security of lifting switch cabinet.
Specific technical solution 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 sleeved on it is secondary around
In group, bonded together between first winding and secondary winding by epoxy resin layer；
The first winding and secondary winding are cylinder, and the cylindrical axis that both is in is straight for same
Line；
The upper end both sides of the first winding be equipped 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 arc-shaped, and lower face is tight
First winding outer surface is pasted, and passes through epoxyn and is adhesively fixed with first winding, second connecting plate and first
Connecting plate is an integral structure, and vertical with the first connecting plate is bonded；The upper end of the insulated column and the one side of the second connecting plate,
It is fixedly connected by screw, lower end is fixedly connected with iron core；
Once connection inserting part is drawn in the first winding, fuse is connected on 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.
The beneficial effects of the utility model are：
The utility model proposes a kind of three phase combined fusible core of band voltage transformer inside device body, including iron
Core, first winding and secondary winding, are connected between first winding and iron core by hoisting connecting piece, it is ensured that position is constant, once
It is bonded between winding and secondary winding by epoxy resin layer, once connection inserting part is drawn in first winding, once connected embedding
Fuse is connected on part, the utility model is simple in structure, and design is reasonable, helps to ensure that between first winding and secondary winding
Away from stabilization, uniform, the breakdown of reduction power frequency and shelf depreciation, while pouring technology flow can be simplified, promote voltage transformer
Production efficiency.
Description of the drawings
Fig. 1 utility model diagrams.
Fig. 2 the utility model side view (without a connection inserting part and fuse).
A-quadrant sectional view in Fig. 3 Fig. 1.
Fig. 4 voltage transformer schematic diagrames.
Specific embodiment
For the technical solution of the utility model is made to become apparent from clearly, below in conjunction with the accompanying drawings to the utility model into advance one
Step description, any technical characteristic to technical solutions of the utility model carry out the scheme that equivalencing is drawn with conventional reasoning and fall
Enter scope of protection of the utility model.
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；
The first winding 2 and secondary winding 3 are cylinder, and the cylindrical axis that both is in is straight for same
Line；
The upper end both sides of the first winding 2 are equipped 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 arc-shaped,
2 outer surface of first winding is close in its lower face, and passes through epoxyn and be adhesively fixed with first winding 2, and described second
Connecting plate 42 is an integral structure with the first connecting plate 41, and vertical with the first connecting plate 41 is bonded；The upper end of the insulated column 5
It with the one side of the second connecting plate 42, is fixedly connected by screw, 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 on 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 11 ceramic shell 12 of voltage transformer.
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, installation
Mode is from old-fashioned second pouring mode there are different, the hoisting connecting piece of setting, and effect one is, by first winding and iron core
Position is stablized, 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 mixture, cast are integrated, and epoxy resin layer is automatically formed between first winding and secondary winding, and the two is 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 is mostly directly to be poured into a mould using PMP composite membranes, 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 sleeved on secondary winding
On, it is bonded together between first winding and secondary winding by epoxy resin layer；
The first winding and secondary winding are cylinder, and the cylindrical axis that both is in is same straight line；
The upper end both sides of the first winding are equipped with symmetrical hoisting connecting piece, and the hoisting connecting piece includes connecting plate and insulation
Column, the connecting plate include the first connecting plate and the second connecting plate, and first connecting plate is arc-shaped, and lower face is close to one
Secondary winding outer surface, and pass through epoxyn and be adhesively fixed with first winding, second connecting plate is connected with first
Plate is an integral structure, and vertical with the first connecting plate is bonded；The upper end of the insulated column and the one side of the second connecting plate, pass through
Screw is fixedly connected, and lower end is fixedly connected with iron core；
Once connection inserting part is drawn in the first winding, fuse is connected on 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 described in claim 1, 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 described in claim 1, 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 |
|---|---|---|---|
| CN201721319404.2U CN207409373U (en) | 2017-10-13 | 2017-10-13 | Device body inside a kind of voltage transformer of fusible core of three phase combined band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721319404.2U CN207409373U (en) | 2017-10-13 | 2017-10-13 | Device body inside a kind of voltage transformer of fusible core of three phase combined band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207409373U true CN207409373U (en) | 2018-05-25 |
Family
ID=62319549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721319404.2U Expired - Fee Related CN207409373U (en) | 2017-10-13 | 2017-10-13 | Device body inside a kind of voltage transformer of fusible core of three phase combined band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207409373U (en) |
-
2017
- 2017-10-13 CN CN201721319404.2U patent/CN207409373U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20211013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |