CN207052401U - A kind of dry-type transformer with high pressure socketed tube - Google Patents
A kind of dry-type transformer with high pressure socketed tube Download PDFInfo
- Publication number
- CN207052401U CN207052401U CN201720986922.3U CN201720986922U CN207052401U CN 207052401 U CN207052401 U CN 207052401U CN 201720986922 U CN201720986922 U CN 201720986922U CN 207052401 U CN207052401 U CN 207052401U
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- Prior art keywords
- bushing
- tension
- insulation
- low
- transformation case
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Abstract
It the utility model is related to a kind of dry-type transformer with high pressure socketed tube,Including transformation case,Bushing and low-tension bushing are provided with above transformation case,Provided with the high-tension coil and low-voltage coil in case corresponding with bushing and low-tension bushing in transformation case,High-tension coil is connected with the junction block of transformation case inner top,Junction block is connected by insulation protecting mechanism with the bushing of transformation box top,Insulation protecting mechanism includes being arranged on the power connecting column being electrically connected to each other between junction block and bushing,Insulation protective jacket is provided with the outside of power connecting column,The upper side and lower side of insulation protective jacket is respectively equipped with insulation connection seat and lower insulation connection seat,Upper insulation connection seat is fixed on the top of transformation case by way of welding,Lower insulation connection seat is fixed on junction block by way of welding,Insulation protective jacket plays a part of protecting power connecting column,Upper insulation connection seat and lower insulation connection seat play a part of supporting link seat.
Description
Technical field
It the utility model is related to a kind of dry-type transformer with high pressure socketed tube.
Background technology
There is impedance in load tap-changing dry-type transformer, in power transmission, will produce voltage drop, and with user side load
Change and change.The fluctuation of system voltage will cause the larger variation of voltage plus the change of user side load.Realizing nothing
On the premise of work(power in-situ balancing, when variation in voltage exceedes definite value, ULTC can move after certain delay
Make, voltage is adjusted, and keep the stabilization of voltage, the bushing of present load tap-changing dry-type transformer is typically by making pottery
Porcelain is directly process, and the problem of existing is that ceramic hardness is big, and weight is also big, and the conducting strip inside bushing and ceramics
Bushing inwall between it is general easily form gap, cause high pressure to produce electric arc when being powered, or even the problem of short-circuit occur,
Common Ceramic high-pressure sleeve pipe using effect is bad；
When the bushing of high-tension coil and transformer top inside present dry-type transformer connects, general use connects electricity
Piece is directly connected to, and insulation protection effect is bad.
Utility model content
The purpose of this utility model is to solve the defects of prior art is present, there is provided a kind of with high pressure socketed tube
Dry-type transformer.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of dry-type transformer with high pressure socketed tube, including transformation case, three sides of the transformation case are equipped with corrugated tank,
Filling transformer oil in corrugated tank, bushing and low-tension bushing are provided with above transformation case, be provided with transformation case and bushing
With low-tension bushing corresponding to high-tension coil and low-voltage coil in case, the insulation of device body, high-tension coil and low pressure on the outside of high-tension coil
Coil, which twines, to be located on core body, and base is provided with the bottom of transformation case, and base, which is provided with, slides positioning seat, and it is fixed that core body is fastened on slip
In the groove of position seat, base is provided with multiple positioning holes, slides positioning seat and is connected by alignment pin with the positioning hole on base；
High-tension coil is connected with the junction block of transformation case inner top, and junction block passes through insulation protecting mechanism and transformation box top
Bushing connection, insulation protecting mechanism includes being arranged on the power connecting column that is electrically connected to each other between junction block and bushing,
Be provided with insulation protective jacket in the outside of power connecting column, the upper side and lower side of insulation protective jacket be respectively equipped with insulation connection seat and it is lower absolutely
Edge connecting seat, upper insulation connection seat are fixed on the top of transformation case by way of welding, and lower insulation connection seat passes through welding
Mode is fixed on junction block；
Bushing includes sleeve pipe conducting strip, and the outside of sleeve pipe conducting strip coats the first insulating sleeve, the first insulating sleeve
Outside coats the second insulating sleeve, and casing protection shell is provided with the outside of the second insulating sleeve；
Gap between sleeve pipe conducting strip and the first insulating sleeve, between the first insulating sleeve and the second insulating sleeve between
Potting resin rubber in gap, the end of the first insulating sleeve, the second insulating sleeve and casing protection shell flushes, in bushing
Bottom be provided with buffering insulating base, the material for buffering insulating base be rubber, buffer insulating base be provided with fixed ear, fixed ear passes through
It is bolted on the housing of transformation case.
A kind of above-mentioned dry-type transformer with high pressure socketed tube, the afterbody of described sleeve pipe conducting strip insulate through first
Sleeve simultaneously stretches out from buffering insulating base.
A kind of above-mentioned dry-type transformer with high pressure socketed tube, the material of described sleeve pipe containment vessel is ceramics.
A kind of above-mentioned dry-type transformer with high pressure socketed tube, the outside coated insulation layer of the junction block, exhausted
Edge layer is provided with multiple parallel oil guide grooves.
A kind of above-mentioned dry-type transformer with high pressure socketed tube, the low-tension bushing include defeated for low tension bus
The a phase low-tension bushings gone out, b phase low-tension bushings, c phase low-tension bushings, 0 phase low-tension bushing, low tension bus, which is provided with, to be used to support
The bent plate of low tension bus；A phase low-tension bushings, b phase low-tension bushings, c phase low-tension bushings, 0 phase low-tension bushing are connected by lug plate
Connect；Bushing includes A phase bushings, B phase bushings, C phase bushings.
A kind of above-mentioned dry-type transformer with high pressure socketed tube, the insulation protective jacket, upper insulation connection seat and
Lower insulation connection seat is integrally formed.
A kind of above-mentioned dry-type transformer with high pressure socketed tube, the bottom of transformation case are provided with support.
The beneficial effects of the utility model are：High-tension coil is connected with the junction block of transformation case inner top, and junction block passes through
Insulation protecting mechanism is connected with the bushing of transformation box top, and insulation protecting mechanism includes being arranged on junction block and bushing
Between the power connecting column that is electrically connected to each other, insulation protective jacket, the upper side and lower side point of insulation protective jacket are provided with the outside of power connecting column
Not She You upper insulation connection seat and lower insulation connection seat, upper insulation connection seat the top of transformation case is fixed on by way of welding
Portion, lower insulation connection seat are fixed on junction block by way of welding, and insulation protective jacket plays a part of protecting power connecting column, on
Insulation connection seat and lower insulation connection seat play a part of supporting link seat, the outside coated insulation layer of junction block, exhausted
Edge layer is provided with multiple parallel oil guide grooves, and the transformer oil inside oil guide groove facilitates butted line seat to play thermolysis；
Bushing includes sleeve pipe conducting strip, and the outside of sleeve pipe conducting strip coats the first insulating sleeve, the first insulating sleeve
Outside coats the second insulating sleeve, casing protection shell is provided with the outside of the second insulating sleeve, the material of casing protection shell is ceramics, firmly
Larger, and the gap between sleeve pipe conducting strip and the first insulating sleeve is spent, between the first insulating sleeve and the second insulating sleeve
Potting resin rubber in gap, the end of the first insulating sleeve, the second insulating sleeve and casing protection shell flush, and sleeve pipe is conductive
Piece is connected with power connecting column, and the first insulating sleeve, the second insulating sleeve play a part of insulating and supported, and the resin rubber of filling is not
Only play a part of insulation, also act as the effect of fixed sleeving conducting strip, prevent sleeve pipe conducting strip from rocking and produce electric arc or
Short circuit, the ability of anti-sudden short circuit is strong, bushing damage is not easily caused for the ease of fixed bushing and, in bushing
Bottom be provided with buffering insulating base, buffering insulating base be provided with fixed ear, fixed ear is bolted on the housing of transformation case
On, the material for buffering insulating base is rubber, and buffering insulating base plays a part of supporting bushing.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is the A areas enlarged drawing in Fig. 1；
Fig. 3 is the schematic cross-section of the utility model bushing.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of dry-type transformer with high pressure socketed tube, including transformation case 1, the transformation case
1 three sides are equipped with corrugated tank 2, and transformer oil is filled in corrugated tank 2, and the top of transformation case 1 is provided with bushing 3 and low-tension bushing
4, it is provided with transformation case 1 and the high-tension coil 5 and low-voltage coil 6 in 4 corresponding case of bushing 3 and low-tension bushing, high-voltage line
5 outside device body insulation are enclosed, high-tension coil 5 and low-voltage coil 6 are twined and be located on core body 7, and base 8, bottom are provided with the bottom of transformation case 1
Seat 8, which is provided with, slides positioning seat 9, and core body 7 is fastened in the groove for sliding positioning seat 9, and base 8 is provided with multiple positioning holes, sliding
Dynamic positioning seat 9 is connected by alignment pin 10 with the positioning hole on base 8；
Further, high-tension coil 5 is connected with the junction block 11 of the inner top of transformation case 1, and junction block 11 passes through insulation protection machine
Structure is connected with the bushing 3 at the top of transformation case 1, and insulation protecting mechanism includes being arranged between junction block 11 and bushing 3
The power connecting column 12 being electrically connected to each other, insulation protective jacket 13 is provided with the outside of power connecting column 12, the upside of insulation protective jacket 13 is with
Side is respectively equipped with insulation connection seat 14 and lower insulation connection seat 15, and upper insulation connection seat 14 is fixed on change by way of welding
The top of case 1 is pressed, lower insulation connection seat 15 is fixed on by way of welding on junction block 11, and the outside cladding of junction block 11 is exhausted
Edge layer, on the insulating layer provided with multiple parallel oil guide grooves 16.
Bushing 3 includes sleeve pipe conducting strip 31, and the outside of sleeve pipe conducting strip 31 coats the first insulating sleeve 32, and first is exhausted
The outside of edge sleeve 32 the second insulating sleeve 33 of cladding, the outside of the second insulating sleeve 33 are provided with casing protection shell 34, casing protection shell
34 material is ceramics, and hardness is larger, and the gap between the insulating sleeve 32 of sleeve pipe conducting strip 31 and first, the first insulating sleeve
32 and the second gap between insulating sleeve 33 in potting resin rubber 35, the first insulating sleeve 32, the second insulating sleeve 33 with
And the end of casing protection shell 34 flushes, sleeve pipe conducting strip 31 is connected with power connecting column 12, the first insulating sleeve 32, the second insulation sleeve
Cylinder 33 plays a part of insulating and supported, and the resin rubber 35 of filling not only acts as the effect of insulation, also acts as fixed sleeving and lead
The effect of electric piece 31, prevents sleeve pipe conducting strip 31 from rocking and producing electric arc or short circuit, and the ability of anti-sudden short circuit is strong, in order to just
Bushing damage is not easily caused in fixed bushing and, buffering insulating base 36 is provided with the bottom of bushing 3, buffering is exhausted
The material of edge seat 36 is rubber, and buffering insulating base 36 is provided with fixed ear 37, and fixed ear 37 is bolted on transformation case 1
On housing, wherein, the afterbody of sleeve pipe conducting strip 31 stretches out through the first insulating sleeve 32 and from buffering insulating base 36, and buffering is exhausted
The material of edge seat 36 is rubber, and buffering insulating base 36 plays a part of supporting bushing 3.
In the utility model, low-tension bushing 4 includes a phase low-tension bushings for being used for the output of low tension bus, b phase low pressure sets
Pipe, c phase low-tension bushings, 0 phase low-tension bushing, low tension bus are provided with the bent plate for being used for supporting low tension bus；A phase low pressure sets
Pipe, b phase low-tension bushings, c phase low-tension bushings, 0 phase low-tension bushing are connected by lug plate；Bushing 3 includes the high gland of A phases
Pipe, B phase bushings, C phase bushings.
Insulation protective jacket 13, upper insulation connection seat 14 and lower insulation connection seat 15 are integrally formed, and the bottom of transformation case 1 is set
There is support 17.
The bottom of the transformation case 1 of the transformer is provided with base 8, and base 8, which is provided with, slides positioning seat 9, and core body 7 is fastened on cunning
In the groove of dynamic positioning seat 9, base 8 is provided with multiple positioning holes, slides positioning seat 9 by alignment pin 10 with determining on base 8
The connection of position hole, when bushing and low-tension bushing are connected with transformation case inner high voltage coil and low-voltage coil, can also unscrew positioning
Pin 10, the mobile positioning seat 9 that slides arrive suitable position, facilitate bushing 3 and low-tension bushing 4 and transformation case inner high voltage coil 5
Connected with low-voltage coil 6, it is convenient to the progress accurate adjustment of the installation site of bushing 3 and low-tension bushing 4 that this kind is mainly designed to, and carries
The packaging efficiency of high transformer, and high-tension coil 5 is connected with the junction block 11 of the inner top of transformation case 1, and junction block 11 is by exhausted
Edge protection mechanism is connected with the bushing 3 at the top of transformation case 1, and insulation protecting mechanism includes being arranged on junction block 11 and high gland
The power connecting column 12 being electrically connected to each other between pipe 3, is provided with insulation protective jacket 13 in the outside of power connecting column 12, insulation protective jacket 13 it is upper
Side and downside are respectively equipped with insulation connection seat 14 and lower insulation connection seat 15, and upper insulation connection seat 14 is consolidated by way of welding
The top of transformation case 1 is scheduled on, lower insulation connection seat 15 is fixed on by way of welding on junction block 11, and insulation protective jacket 13 rises
To the effect of protection power connecting column 12, upper insulation connection seat 14 and lower insulation connection seat 15 play the work for supporting link seat 11
With, the outside coated insulation layer of junction block 11, on the insulating layer provided with multiple parallel oil guide grooves 16, the change inside oil guide groove 16
Depressor oil facilitates butted line seat 11 to play thermolysis.
Above-mentioned embodiment of the present utility model is used only for exemplary illustration or explains principle of the present utility model,
Without forming to limitation of the present utility model.Therefore, done in the case of without departing from spirit and scope of the present utility model
Any modification, equivalent substitution and improvements etc., should be included within the scope of protection of the utility model.In addition, the utility model institute
Attached claim is intended to fall into scope and border or this scope and the equivalents on border
All change and modifications example.
Claims (7)
1. a kind of dry-type transformer with high pressure socketed tube, including transformation case, three sides of the transformation case are equipped with corrugated tank, ripple
Filling transformer oil in line case, is provided with bushing and low-tension bushing above transformation case, in transformation case provided with bushing and
High-tension coil and low-voltage coil corresponding to low-tension bushing in case, the insulation of device body, high-tension coil and low-voltage line on the outside of high-tension coil
Circle, which twines, to be located on core body, it is characterised in that base is provided with the bottom of transformation case, base, which is provided with, slides positioning seat, core body card
Close in the groove for sliding positioning seat, base is provided with multiple positioning holes, slides positioning seat by alignment pin with determining on base
The connection of position hole；
High-tension coil is connected with the junction block of transformation case inner top, and junction block passes through insulation protecting mechanism and the height of transformation box top
Sleeve pipe connection is pressed, insulation protecting mechanism includes being arranged on the power connecting column being electrically connected to each other between junction block and bushing, connect
The outside of electric post is provided with insulation protective jacket, and the upper side and lower side of insulation protective jacket is respectively equipped with insulation connection seat and lower insulation connects
Joint chair, upper insulation connection seat are fixed on the top of transformation case by way of welding, and lower insulation connection seat is by way of welding
It is fixed on junction block；
Bushing includes sleeve pipe conducting strip, and the outside of sleeve pipe conducting strip coats the first insulating sleeve, the first insulating sleeve outside
The second insulating sleeve is coated, casing protection shell is provided with the outside of the second insulating sleeve；
Gap between sleeve pipe conducting strip and the first insulating sleeve, in the gap between the first insulating sleeve and the second insulating sleeve
Potting resin rubber, the end of the first insulating sleeve, the second insulating sleeve and casing protection shell flush, at the bottom of bushing
Portion is provided with buffering insulating base, and the material for buffering insulating base is rubber, and buffering insulating base is provided with fixed ear, and fixed ear passes through bolt
It is fixed on the housing of transformation case.
2. a kind of dry-type transformer with high pressure socketed tube according to claim 1, it is characterised in that described sleeve pipe is led
The afterbody of electric piece stretches out through the first insulating sleeve and from buffering insulating base.
3. a kind of dry-type transformer with high pressure socketed tube according to claim 1, it is characterised in that described sleeve pipe is protected
The material of protective case is ceramics.
A kind of 4. dry-type transformer with high pressure socketed tube according to claim 1, it is characterised in that the junction block
Outside coated insulation layer, on the insulating layer provided with multiple parallel oil guide grooves.
A kind of 5. dry-type transformer with high pressure socketed tube according to claim 1, it is characterised in that the low pressure set
A phase low-tension bushing of the pipe including being used for the output of low tension bus, b phase low-tension bushings, c phase low-tension bushings, 0 phase low-tension bushing are low
Piezoelectricity bus is provided with the bent plate for being used for supporting low tension bus；A phase low-tension bushings, b phase low-tension bushings, c phase low-tension bushings, 0
Phase low-tension bushing is connected by lug plate；Bushing includes A phase bushings, B phase bushings, C phase bushings.
6. a kind of dry-type transformer with high pressure socketed tube according to claim 1, it is characterised in that the insulation is protected
Sheath, upper insulation connection seat and lower insulation connection seat are integrally formed.
A kind of 7. dry-type transformer with high pressure socketed tube according to claim 1, it is characterised in that the bottom of transformation case
Portion is provided with support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986922.3U CN207052401U (en) | 2017-08-08 | 2017-08-08 | A kind of dry-type transformer with high pressure socketed tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986922.3U CN207052401U (en) | 2017-08-08 | 2017-08-08 | A kind of dry-type transformer with high pressure socketed tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052401U true CN207052401U (en) | 2018-02-27 |
Family
ID=61499479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720986922.3U Expired - Fee Related CN207052401U (en) | 2017-08-08 | 2017-08-08 | A kind of dry-type transformer with high pressure socketed tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676014A (en) * | 2019-11-04 | 2020-01-10 | 国网江苏省电力有限公司徐州供电分公司 | Three-port power electronic transformer based on modular structure |
-
2017
- 2017-08-08 CN CN201720986922.3U patent/CN207052401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676014A (en) * | 2019-11-04 | 2020-01-10 | 国网江苏省电力有限公司徐州供电分公司 | Three-port power electronic transformer based on modular structure |
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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: 20180227 Termination date: 20190808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |