CN206340430U - A kind of triple insulation voltage transformers of solid and gas - Google Patents
A kind of triple insulation voltage transformers of solid and gas Download PDFInfo
- Publication number
- CN206340430U CN206340430U CN201621433004.XU CN201621433004U CN206340430U CN 206340430 U CN206340430 U CN 206340430U CN 201621433004 U CN201621433004 U CN 201621433004U CN 206340430 U CN206340430 U CN 206340430U
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- winding
- shell
- insulating
- solid
- gas
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Abstract
The utility model discloses a kind of triple insulation voltage transformers of solid and gas, including support base and the shell being arranged on support base, iron core, insulating barrier, first winding and secondary winding, primary connection box and secondary terminal box, the shell upper end is provided with insulator and the insulator is provided with shield, the iron core is arranged in shell, first winding and secondary winding are wrapped in iron core opposite sides, the insulating barrier is located between first winding and secondary winding, and the insulating barrier is formed by paper insulating layer 140 and epoxy resin insulating layers respectively from the inside to the outside；The major insulation of the utility model voltage transformer utilizes the excellent self-healing insulating properties of CCl2F2 gases, the complex media constituted between each component of interiors of products with CCl2F2 gas membranes is insulated, triple solid and gas insulating protections are reached with reference to the double solid protective such as paper insulating layer 140 and epoxy resin insulating layers.
Description
Technical field
The utility model is related to voltage transformer, especially a kind of triple insulation voltage transformers of solid and gas.
Background technology
In operation of power networks, commonly using voltage transformer, the quality direct relation of voltage transformer the safety of power network
Operation, existing voltage transformer complex structure, cost is higher, and bad sealing is real, easily generation resonance accident, and resonance thing
Therefore abnormal voltage, burning apparatus are induced, so that cause power outage.Voltage transformer is provided with the side wall of primary connection post at it
On, it is open side wall, easily accumulation thereon, causes its insulating properties to be decreased obviously for spot and dust.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of triple insulation voltage transformers of solid and gas.
The technical solution adopted in the utility model is：
A kind of triple insulation voltage transformers of solid and gas, including support base and be arranged on support base shell, iron core, absolutely
Edge layer, first winding and secondary winding, primary connection box and secondary terminal box, the shell upper end are provided with insulator and the insulator
Shield is provided with, the iron core is arranged in shell, and first winding and secondary winding are wrapped in iron core opposite sides, the insulating barrier
Between first winding and secondary winding, the insulating barrier is from the inside to the outside respectively by paper insulating layer and epoxy resin insulating layers shape
Into；The primary connection box and secondary terminal box set and are oppositely arranged on shell both sides and are connected with shell inner cavity, primary connection
Box and secondary terminal box are respectively equipped with two the first connecting poles and two the second connecting poles with screw, two the first connecting poles point
Not Lian Jie first winding two ends, two the second connecting poles distinguish in the two ends of connecting secondary winding, the shell inner cavity filled with
CCl2F2 gases.
The convex lid being threadedly coupled with it is arranged with outside first connecting pole and the second connecting pole with sealed wiring
Box outside port, insulating gum cover is all provided between convex lid and the first connecting pole, the second connecting pole.
The side wall of outer shell offers the charging valve connected with its inner chamber, and the charging valve is connected with PLC and industry control
Screen.
The beneficial effects of the utility model：
1. by the insulating barrier being made up in existing winding of a kind of insulating materials be designed to be made from a different material for two layers it is exhausted
Edge layer, had both reduced the hygroscopic property of individual layer paper insulation, can play cushioning effect to expanding with heat and contract with cold for epoxy resin again, not only solve
It is influenced by ambient temperature for a long time and the problem of need to change different insulative layer product, and improve product electric insulating quality
With use reliability, reduce electric operating accident generation, improve economic benefit.
2. the major insulation of the utility model voltage transformer utilizes CCl2F2 gases（F-12）Excellent self-healing
Insulating properties, the complex media constituted between each component of interiors of products with CCl2F2 gas membranes are insulated, with reference to paper insulating layer
Triple solid and gas insulating protections are reached with the double solid protective such as epoxy resin insulating layers, make interiors of products component completely not by salt
The influence of the external environment conditions such as mist, laying dust, accumulated snow, substantially increases security reliability, and without dielectric loss problem, it is safe and reliable to exempt from
Safeguard；
3. screw, peripheral hardware convex lid are set in the binding post of the utility model voltage transformer terminal box, the tested height of connection
Line ball is easy for installation, after the utility model product is installed in place, and the outside end of sealing convex lid can be allowed to compress height
Line ball and connecting pole, so as in the connection end of connecting pole and high-voltage line and connecting pole is all sealed in, effectively prevent that spot from entering
Enter terminal box；
4. charging valve is connected with PLC and industry control screen, pass through industry control screen and PLC job control shell interior insulation gas
Automatic inflatable/air.
Brief description of the drawings
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the sectional structure chart of the utility model voltage transformer.
Embodiment
As shown in figure 1, for a kind of triple insulation voltage transformers of solid and gas of the present utility model, including support base 10 and set
Shell 20 on support base 10, the upper end of shell 20 is provided with insulator 30, and the insulator 30 is provided with shield 40, the shell 20
It is interior provided with iron core and to be wrapped in the first winding and secondary winding of iron core opposite sides, the both sides of shell 20 be provided with shell 20
Primary connection box 50 and secondary terminal box 60 that chamber is connected and is oppositely arranged, 60 points of the primary connection box 50 and secondary terminal box
Two the first connecting poles 80 that She You be with screw 70 and two the second connecting poles 90.
Two the first connecting poles 80 connect the two ends of first winding respectively, two the second connecting poles 90 difference connecting secondaries around
The convex lid being threadedly coupled with it is arranged with outside the two ends of group, two the first connecting poles 80 and two the second connecting poles 90
100 with sealed terminal box outside port, and screw 70, peripheral hardware convex are set in the binding post of the utility model voltage transformer terminal box
Lid 100, connects easy for installation during tested high-voltage line, after the utility model product is installed in place, can allow and seal convex lid
The outside end of body 100 compresses high-voltage line and connecting pole, between the connecting pole 80 of convex lid 100 and first, the second connecting pole 90
Insulating gum cover 130 is all provided with, so as in the connection end of connecting pole and high-voltage line and connecting pole is all sealed in, effectively prevent
Spot enters terminal box.
Filled with CCl2F2 gases in the inner chamber of shell 20, the side wall of shell 20 offers the inflation connected with its inner chamber
Valve 110 is used for the inflation/deflation of shell 20, using the excellent self-healing insulating properties of CCl2F2 gases, is used as the first gas again
Body insulating protection, the complex media constituted between each component of interiors of products with CCl2F2 gas membranes is insulated, makes interiors of products
Component is not influenceed by external environment conditions such as salt fog, laying dust, accumulated snow completely, substantially increases security reliability, and without dielectric loss
Problem, it is safe and reliable non-maintaining.
For the ease of controlling the charge and discharge of CCl2F2 gases, side wall of outer shell offers the charging valve connected with its inner chamber, should
Charging valve is connected with PLC and industry control screen, and user can set specific aeration quantity or discharge quantity in industry control screen, then by PLC
Control the accurate inflation/deflation of charging valve.
On the basis of the above, the technical program also introduces the insulating barrier of double solid insulation protection, and the insulating barrier is located at one
Between secondary winding and secondary winding, the insulating barrier is from the inside to the outside respectively by paper insulating layer 140 and the shape of epoxy resin insulating layers 120
Into；Paper insulating layer 140 is made of the insulating paper of high intensity, and the uniform ring of paper insulating layer 140 is around being coated on iron core, surrounding thickness
For 8 millimeters, the space of minimum 6 millimeters of section thickness is left between primary winding and paper insulating layer 140, is cast in the space
There is epoxy resin, epoxy resin insulating layers 120 are formed after solidification, final molding is the mutual induction of voltage with triple insulation effects
Device.
Preferred embodiments of the present utility model are the foregoing is only, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the technical scheme of the utility model purpose belong to protection domain of the present utility model it
It is interior.
Claims (3)
1. a kind of triple insulation voltage transformers of solid and gas, it is characterised in that：Including support base and it is arranged on outer on support base
Shell, iron core, insulating barrier, first winding and secondary winding, primary connection box and secondary terminal box, the shell upper end are provided with insulator
And the insulator is provided with shield, the iron core is arranged in shell, and first winding and secondary winding are wrapped in iron core opposite sides,
The insulating barrier is located between first winding and secondary winding, and the insulating barrier is from the inside to the outside respectively by paper insulating layer and epoxy resin
Insulating barrier is formed；The primary connection box and secondary terminal box set and are oppositely arranged on shell both sides and are connected with shell inner cavity,
Primary connection box and secondary terminal box are respectively equipped with two the first connecting poles and two the second connecting poles with screw, two first
Connecting pole connects the two ends of first winding respectively, and two the second connecting poles are distinguished in the two ends of connecting secondary winding, the shell
Filled with CCl2F2 gases in chamber.
2. the triple insulation voltage transformers of a kind of solid and gas according to claim 1, it is characterised in that:First connecting pole
With the convex lid being threadedly coupled with it is arranged with outside the second connecting pole with sealed terminal box outside port, convex lid and
Insulating gum cover is all provided between one connecting pole, the second connecting pole.
3. the triple insulation voltage transformers of a kind of solid and gas according to claim 1, it is characterised in that:The side wall of outer shell is opened
Provided with the charging valve connected with its inner chamber, the charging valve is connected with PLC and industry control screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433004.XU CN206340430U (en) | 2016-12-23 | 2016-12-23 | A kind of triple insulation voltage transformers of solid and gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433004.XU CN206340430U (en) | 2016-12-23 | 2016-12-23 | A kind of triple insulation voltage transformers of solid and gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340430U true CN206340430U (en) | 2017-07-18 |
Family
ID=59301849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621433004.XU Expired - Fee Related CN206340430U (en) | 2016-12-23 | 2016-12-23 | A kind of triple insulation voltage transformers of solid and gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305768A (en) * | 2018-03-14 | 2018-07-20 | 珠海市新化磁性材料有限公司 | A kind of high voltage isolation transformer and preparation method thereof |
-
2016
- 2016-12-23 CN CN201621433004.XU patent/CN206340430U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305768A (en) * | 2018-03-14 | 2018-07-20 | 珠海市新化磁性材料有限公司 | A kind of high voltage isolation transformer and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20201223 |