CN206907627U - Electric railway dry-type transformer - Google Patents
Electric railway dry-type transformer Download PDFInfo
- Publication number
- CN206907627U CN206907627U CN201720728295.3U CN201720728295U CN206907627U CN 206907627 U CN206907627 U CN 206907627U CN 201720728295 U CN201720728295 U CN 201720728295U CN 206907627 U CN206907627 U CN 206907627U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- insulated column
- type transformer
- electric railway
- insulation body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
It the utility model is related to a kind of electric railway dry-type transformer, including major insulation body, sleeve pipe insulated column, cylindrical full skirt and secondary terminal box, iron core is provided with the major insulation body, first winding and secondary winding, a sleeve pipe insulated column and cylindrical full skirt are provided with the upside of the major insulation body, sleeve pipe insulated column is vertically arranged on the major insulation body, the cylindrical full skirt is obliquely installed on the major insulation body laterally, the sleeve pipe insulation top end is provided with primary connection terminal, high-tension fuse is provided with inside sleeve pipe insulated column, the high-tension fuse top is connected with the primary connection terminal, the high-tension fuse lower end is connected with the first winding, the secondary winding is connected with the secondary terminal box.The utility model has the advantages that small volume, flexible for installation, insulation is reliable, with fuse defencive function, resistance to gradation for surface pollution height, anti overvoltage, shock resistance.
Description
Technical field
Railway Electric apparatus field is the utility model is related to, specifically a kind of electric railway dry-type transformer.
Background technology
Electric railway circuit is that 110KV (or 220KV) High Level AC Voltage of three-phase is transformed into two single-phase 27.5KV
Alternating current, then transmitted electric power to railway contact line, power for traction of powering, the voltage transformer on circuit is used to contact once
And secondary electrical equipment, used primarily as the power supply in electric railway circuit as circuit measure and control device, at present voltage
Transformer design structure form is that product retting-flax wastewater is smaller, and insulating reliability is poor, base using iron core exposed semi-closed structure
Have that contamination, moisture, condensation, earth fault are more, switching overvoltage is high, overvoltage is frequent etc. in rail track working condition to ask
Topic, the failures such as pollution flashover, insulation breakdown electric discharge often easily occur, so in order to be further ensured that the reliable of rail traction power supply
Property, it is necessary to develop a kind of applicable outdoor dry-type voltage transformer of suitable rail track, it is overall to improve rail track device fabrication
It is horizontal.
Utility model content
The purpose of this utility model is to provide a kind of electric railway dry-type transformer, and main body is using epoxy resin one
Moulding by casting, external insulation use silicon rubber composite insulation, have small volume, flexible for installation, insulation is reliable, band fuse protection work(
The advantages that energy, resistance to gradation for surface pollution height, anti overvoltage, shock resistance.
The purpose of this utility model is achieved through the following technical solutions：
A kind of electric railway dry-type transformer, including iron core, first winding and secondary winding, including major insulation body, one
Secondary sleeve pipe insulated column, cylindrical full skirt and secondary terminal box, it is exhausted that the iron core, first winding and secondary winding are arranged at the master
In edge body, a vertical sleeve pipe insulated column and outward-dipping cylindrical full skirt are provided with the upside of the major insulation body, it is described
No. one time sleeve pipe insulation top end is provided with primary connection terminal, and high-tension fuse is provided with inside a sleeve pipe insulated column, described
High-tension fuse top is connected with the primary connection terminal, and the high-tension fuse lower end is connected with the first winding, institute
Secondary winding is stated with the secondary terminal box to be connected.
Looked along the axial direction of a sleeve pipe insulated column, the sleeve pipe insulated column cross section is circle in each angle end
Angle it is square.
Equidistant and equal extension elongation main chute skirt is provided with outside sleeve pipe insulated column, and the main chute skirt is in
Each angle end is square for fillet.
Sleeve pipe insulation top end is provided with primary connection plate, the primary connection terminal be arranged at described in once connect
It is provided with primary connection plate and covers on line plate, on the upside of the primary connection plate, the high-tension fuse top and the primary connection
Cover and be connected on plate.
The junction of the primary connection plate and a sleeve pipe insulated column is provided with rubber gasket.
The external middle side part of major insulation is provided with equidistant and equal extension elongation attached full skirt.
The major insulation body top surface edge is sphere.
The major insulation body, a sleeve pipe insulated column, the insulated column in cylindrical full skirt, secondary terminal box are using epoxy
The integrative-structure of resin one moulding by casting.
The major insulation body is installed on a base.
The advantages of the utility model is with good effect：
1st, major insulation body of the present utility model, a sleeve pipe insulated column, the insulated column in cylindrical full skirt, secondary terminal box
Silicon rubber composite insulation is used Deng using high performance epoxide resin material one moulding by casting, external insulation, suitable for outdoor each
Phenomena such as kind of environment temperature is not in resin cracks, insulation fault, UV resistant can be met, resistance to drench with rain that (surface has hydrophobic
Property), resistance to mist dodge, meet High aititude requirement, be applicable to the outdoor various environment of electric railway.
2nd, high-pressure side of the utility model is provided with high-tension fuse protection device, that is, ensure that product will not be because of once
System failure reason and burn product, while isolate with system insulation when also ensure that plant failure, protection circuit is safe for operation.
3rd, the utility model is anti overvoltage, low magnetic density design, has higher anti-overvoltage capacity, is applicable to any
High altitude localities, operation is not in insulation breakdown damage problem in the case of extended overvoltage.
Brief description of the drawings
Fig. 1 is the utility model external structure front view；
Fig. 2 is the utility model external structure left view in Fig. 1；
Fig. 3 is the utility model external structure top view in Fig. 1；
Fig. 4 is the utility model internal structure schematic diagram in Fig. 1.
Wherein, 1 is iron core, and 2 be first winding, and 3 be secondary winding, and 4 be a sleeve pipe insulated column, and 5 be secondary terminal box,
6 be base, and 7 be high-tension fuse, and 8 be primary connection plate, and 9 be rubber gasket, and 10 be main full skirt, and 11 be main insulator, 12
It is cylindrical full skirt for attached full skirt, 13,14 be to be covered on primary connection plate, and 15 be primary connection terminal.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figures 1-4, the utility model includes 11, sleeve pipe insulated columns 4 of major insulation body, the and of cylindrical full skirt 13
Secondary terminal box 5, wherein as shown in figure 4, being provided with iron core 1, first winding 2, secondary winding 3 and absolutely in the major insulation body 11
Edge skeleton, and the first winding 2 and secondary winding 3 are wound in the insulation framework with one heart, the insulation framework is sleeved on iron
On core 1, this is known in the art technology.
As shown in figure 1, a sleeve pipe insulated column 4 and cylindrical full skirt 13 are provided with the upside of major insulation body 11, in institute
State in cylindrical full skirt 13 and be provided with insulated column, a sleeve pipe insulated column 4 is vertically arranged on the major insulation body 11, described
The cylindrical central shaft of full skirt 13 is obliquely installed in α angles and laterally on the major insulation body 11 with vertical direction, is so both increased
Big product phase insulation distance, is also beneficial to sleet, water and dirt etc. and smoothly slips out.
As shown in figure 3, looked along the axial direction of a sleeve pipe insulated column 4, a sleeve pipe insulated column 4 cross section
It is the square of fillet in each angle end, equidistant and equal extension elongation main chute is provided with outside a sleeve pipe insulated column 4
Skirt 10, and the main chute skirt 10 is also the square of fillet in each angle end, the main chute skirt 10 can effectively increase transformer surface and climb
Electrical distance, increase dielectric level, guarantee is not in pollution flashover voltage.
As shown in figures 1-4, primary connection terminal 15 is provided with a sleeve pipe insulated column 4 top, is once covered described
The inside of pipe insulation post 4 is provided with high-tension fuse 7, and the top of high-tension fuse 7 is connected with the primary connection terminal 15, described
The lower end of high-tension fuse 7 is connected with the first winding 2, and secondary terminal box 5, institute are provided with the lower end side of major insulation body 11
State secondary winding 3 by circuit with the secondary terminal box 5 to be connected, the cylindrical top of full skirt 13 is provided with and first winding 2
A connected ground terminal.
As shown in Figure 2 and Figure 4, primary connection plate 8, the primary connection are provided with a sleeve pipe insulated column 4 top
Terminal 15 is arranged on the primary connection plate 8, and lid 14 on primary connection plate is provided with the upside of primary connection plate 8, described
The top of high-tension fuse 7 is connected with lid 14 on the primary connection plate, once covers pipe insulation with described in the primary connection plate 8
The junction of post 4 is provided with rubber gasket 9, is ensureing smoothly to be connected simultaneously with system equipment high-voltage electrical apparatus, is also ensureing outdoor fortune
Waterproof sealing insulation under row environment is reliable.
As shown in figure 1, the top surface edge of major insulation body 11 is sphere, ensure outdoor running environment sleet, water and
Dirt etc. smoothly slips out, and the 11 outer middle side part of major insulation body is provided with equidistant and equal extension elongation attached full skirt 12 in addition,
The surface creepage distance of further larger production, increase the dielectric level of product.
As shown in Fig. 2 the major insulation body 11 is installed on the base 6 of a groove profile.By institute when the utility model produces
State iron core 1, first winding 2, secondary winding 3 and insulation framework to be fixed in casting mold after insulating and buffering wrapping, adjust
Solidification and outside silicon rubber composite insulation are poured into a mould with epoxide resin vacuum after whole good distance, makes the major insulation body 11, once cover
Pipe insulation post 4, the insulated column in cylindrical full skirt 13, secondary terminal box 5 form integral structure, and integral installation is in the bottom
On seat 6, wherein the secondary terminal box 5 forms with the one cast of major insulation body 11, the close of secondary wiring terminals can be effectively ensured
Envelope, will not because rainwater soaks and short circuit, corrosion.
Operation principle of the present utility model is：
The iron core 1, first winding 2, secondary winding 3 and insulation framework by insulation and are delayed when the utility model produces
It is fixed on after punching wrapping in casting mold, pours into a mould solidification with epoxide resin vacuum after adjusting distance and outside silicon rubber is compound absolutely
Edge, described major insulation body 11, sleeve pipe insulated columns 4, cylindrical full skirt 13, a secondary terminal boxes 5 etc. are made to form integral structure
And integral installation is on the base 6, being applicable to the outdoor various environment of electric railway.
In use, high-tension fuse 7 is loaded in a sleeve pipe insulated column 4, then envelope puts primary connection plate 8, wherein
The junction of the primary connection plate 8 and a sleeve pipe insulated column 4 is provided with rubber gasket 9, ensures outdoor running environment
Lower waterproof sealing insulation is reliable, then requires that carrying out base 6 installs, and finally carries out primary connection terminal 15 again according to outdoor switch
And the connection of secondary connection, the installment work of electric railway dry-type transformer are completed.
Claims (9)
1. a kind of electric railway dry-type transformer, including iron core, first winding and secondary winding, it is characterised in that：Including master
Insulator (11), a sleeve pipe insulated column (4), cylindrical full skirt (13) and secondary terminal box (5), the iron core (1), once around
Group (2) and secondary winding (3) are arranged in the major insulation body (11), and vertical one is provided with the upside of the major insulation body (11)
Secondary sleeve pipe insulated column (4) and outward-dipping cylindrical full skirt (13), a sleeve pipe insulated column (4) top are provided with and once connect
Line terminals (15), are provided with high-tension fuse (7) inside the sleeve pipe insulated column (4), high-tension fuse (7) top and
The primary connection terminal (15) is connected, and high-tension fuse (7) lower end is connected with the first winding (2), described secondary
Winding (3) is connected with the secondary terminal box (5).
2. electric railway dry-type transformer according to claim 1, it is characterised in that：Pipe insulation is once covered along described
The axial direction of post (4) is looked, and a sleeve pipe insulated column (4) cross section is the square of fillet in each angle end.
3. electric railway dry-type transformer according to claim 2, it is characterised in that：Sleeve pipe insulated column
(4) it is outside to be provided with equidistant and equal extension elongation main chute skirt (10), and the main chute skirt (10) is fillet in each angle end
It is square.
4. electric railway dry-type transformer according to claim 1, it is characterised in that：Sleeve pipe insulated column
(4) top is provided with primary connection plate (8), and the primary connection terminal (15) is arranged on the primary connection plate (8), and described one
It is provided with the upside of secondary terminal plate (8) on primary connection plate and covers (14), on high-tension fuse (7) top and the primary connection plate
(14) are covered to be connected.
5. electric railway dry-type transformer according to claim 4, it is characterised in that：The primary connection plate (8) with
The junction of sleeve pipe insulated column (4) is provided with rubber gasket (9).
6. electric railway dry-type transformer according to claim 1, it is characterised in that：On the outside of the major insulation body (11)
Middle part is provided with equidistant and equal extension elongation attached full skirt (12).
7. the electric railway dry-type transformer according to claim 1 or 6, it is characterised in that：The major insulation body (11)
Top surface edge is sphere.
8. electric railway dry-type transformer according to claim 1, it is characterised in that：The major insulation body (11), one
Secondary sleeve pipe insulated column (4), the insulated column in cylindrical full skirt (13), secondary terminal box (5) are integrally to be poured into a mould using epoxy resin
The integrative-structure of shaping.
9. electric railway dry-type transformer according to claim 1, it is characterised in that：Major insulation body (11) installation
In on a base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728295.3U CN206907627U (en) | 2017-06-22 | 2017-06-22 | Electric railway dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728295.3U CN206907627U (en) | 2017-06-22 | 2017-06-22 | Electric railway dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907627U true CN206907627U (en) | 2018-01-19 |
Family
ID=61285523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720728295.3U Active CN206907627U (en) | 2017-06-22 | 2017-06-22 | Electric railway dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717894A (en) * | 2018-07-02 | 2018-10-30 | 河南森源电气股份有限公司 | Voltage transformer with fuse |
| CN110459386A (en) * | 2019-08-19 | 2019-11-15 | 全球能源互联网研究院有限公司 | A kind of DC isolation transformer of same iron core expandable structure |
-
2017
- 2017-06-22 CN CN201720728295.3U patent/CN206907627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717894A (en) * | 2018-07-02 | 2018-10-30 | 河南森源电气股份有限公司 | Voltage transformer with fuse |
| CN110459386A (en) * | 2019-08-19 | 2019-11-15 | 全球能源互联网研究院有限公司 | A kind of DC isolation transformer of same iron core expandable structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203839722U (en) | 220kV transformer station of indoor GIS overhear outlet cable | |
| CN206907627U (en) | Electric railway dry-type transformer | |
| CN202534494U (en) | Outdoor voltage transformer with fuse protector | |
| CN201576567U (en) | Assembled shunt capacitor device | |
| CN202134390U (en) | Voltage transformer used in railway traction substation | |
| CN202585086U (en) | 10kV epoxy resin cast composite protective voltage transformer with fuses | |
| CN206907622U (en) | The element outdoor composite insulation combination transformer of three-phase three | |
| CN202473586U (en) | Insulation structure of current transformer for electric locomotive | |
| CN202816775U (en) | Load switch outer connection wire sealing assembly | |
| Hong et al. | Development of±800kV UHVDC transmission technology in China | |
| CN206893380U (en) | A kind of arrester of built-in inductance coil | |
| CN202513029U (en) | Inversion type heavy current multiple-winding oil-immersed current transformer | |
| CN209357549U (en) | Outdoor compound insulation current transformer | |
| CN203289034U (en) | Semi-insulating copper pipe bus bridge | |
| CN207021134U (en) | Standard EMUs outdoor voltage transformer | |
| CN215643966U (en) | High-voltage transformer for motor train unit | |
| CN102176612A (en) | Console type alternative current intelligent switch cubicle | |
| CN201251999Y (en) | An outdoor compound insulation dry-type combined transformer | |
| CN205487729U (en) | Fuse three -phase voltage transformer is taken in improvement | |
| CN206421865U (en) | A kind of electric railway traction station isolating transformer | |
| CN202817661U (en) | Load switch bus sealing assembly | |
| CN204991425U (en) | Take outdoor voltage transformer of secondary circuit fuse | |
| CN105610081B (en) | A kind of Chinese character pin-shaped GIS outlets arrangement for being used for 500kV and following voltage class | |
| CN219085752U (en) | High-voltage transformer for high-speed train contact power grid | |
| CN202134395U (en) | Current transformer for rail traction substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: Huangyan District of Taizhou City, Zhejiang province 318020 Jin Chuan Road No. 22 North Street Patentee after: ZHENGJIANG GUANGTIAN TRANSFORMER Co.,Ltd. Address before: 116203 Feng Rong Industrial Park, Dalian, Liaoning, Pulandian Patentee before: DALIAN NORTH INSTRUMENT TRANSFORMER GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |