CN204045365U - Dry-type transformer combined pad device body insulation structure - Google Patents
Dry-type transformer combined pad device body insulation structure Download PDFInfo
- Publication number
- CN204045365U CN204045365U CN201420328198.1U CN201420328198U CN204045365U CN 204045365 U CN204045365 U CN 204045365U CN 201420328198 U CN201420328198 U CN 201420328198U CN 204045365 U CN204045365 U CN 204045365U
- Authority
- CN
- China
- Prior art keywords
- combined pad
- dry
- device body
- type transformer
- insulation structure
- 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.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 25
- 125000006850 spacer group Chemical group 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Insulating Of Coils (AREA)
Abstract
The utility model relates to a kind of dry-type transformer combined pad device body insulation structure, comprise iron core, upper clamping piece, lower clamping piece and high and low pressure winding, insulating cylinder is provided with between described high pressure winding and low pressure winding, the combined pad for axial location is provided with between described high and low pressure winding upper end and upper clamping piece and between high and low pressure winding lower end and lower clamping piece, described combined pad comprises basic cushion block and is pressed on two rubber slabs on high-tension coil and low-voltage coil end face respectively, is folded with middle spacer between described basic cushion block and each rubber slab.This dry-type transformer combined pad device body insulation structure has good combination property, comprise stronger resistance to compression, shock resistance and hot strength, thermal endurance is high, chemical-resistance is good, office lowers and stablizes, and has certain anti-flammability, is easy to the advantages such as processing, improve the electrical safety of transformer, greatly reduce the manufacturing cost of insulation system.
Description
Technical field
The utility model relates to a kind of dry-type transformer combined pad device body insulation structure, belongs to transformer manufacture technology.
Background technology
The insulation of device body is the important component part of dry-type transformer product structure.All the time, most domestic dry-type transformer producer has continued to use traditional device body insulation structure, is namely made up of the cross-over block, rubber slab, insulating cylinder, nail pressing device etc. of resin-cast.Wherein cross-over block mainly adopts and is cast for main DMC, SMC or APG cushion block with resin material.The type cushion block is by fixed mould one-time cast-forming, high temperature resistant, acid and alkali-resistance, and intensity is better, but changeability is poor, and instability is put in office, and cost is relatively high.Along with dry-type transformer product market competition is day by day fierce, product technology is new development more, and traditional device body insulation structure more and more can not meet the design requirement of different structure product.Seek a kind of electrical strength that both can improve product, the device body that can reduce costs again insulate new departure, has become a highest priority of each Transformer Enterprise research and development of products.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of electrical strength that improve main insulation, simultaneously the dry-type transformer combined pad device body insulation structure of lowering device body insulation structure manufacturing cost.
The utility model adopts following scheme to realize: a kind of dry-type transformer combined pad device body insulation structure, comprise iron core, upper clamping piece, lower clamping piece and height, low pressure winding, insulating cylinder is provided with between described high pressure winding and low pressure winding, described height, between low pressure winding upper end and upper clamping piece and high, the combined pad for axial location is provided with between low pressure winding lower end and lower clamping piece, described combined pad comprises basic cushion block and is pressed on two rubber slabs on high-tension coil and low-voltage coil end face respectively, middle spacer is folded with between described basic cushion block and each rubber slab.
Further, the side that described basic cushion block matches with middle spacer is provided with line channel along its length, the respective side of described middle spacer is provided with the projection matched with line channel, described line channel two side is provided with straight-tooth along its depth direction, and described projection corresponding side surface is also provided with the straight-tooth of corresponding matching.
Further, interval is left between described two rubber slabs, described middle spacer is positioned at one end, described interval and is fixed with and bends towards high and low pressure coil direction and to pass the side plate at described interval, and described insulating cylinder end is sandwiched between the biside plate on two middle spacer of respective side.
Further, described side plate is provided with spacing hole, described rubber slab is provided with the convex button that can snap in described spacing hole near described side plate one end.
Further, described basic cushion block and middle spacer all adopt reinforced polyamide single injection-molded.
Further, described basic cushion block sidewall offers deep gouge, basic cushion block is also provided with the hollow hole being positioned at line channel.
Further, described upper clamping piece is provided with the nail pressing for compressing on described combination jacking block.
Compared with prior art, the utility model has following beneficial effect:
(1) this dry-type transformer combined pad device body insulation structure have employed reinforced polyamide material, there is good combination property, comprise stronger resistance to compression, shock resistance and hot strength, thermal endurance is high, chemical-resistance is good, and office lowers and stablizes, and has certain anti-flammability, be easy to the advantages such as processing, the material total cost of new material combined pad reduces about 20% compared to the cross-over block of resin-cast;
(2) position of convenient adjustment insulating cylinder and then the air flue thickness of change main insulation both sides, the radiating requirements of reasonable adjusting high-low pressure winding;
(3) insulating cylinder 6 in main insulation highly at least can improve more than 15mm, and the compressive resistance of product and retting-flax wastewater increase 5-10% compared to the transformer of traditional structure, improve the electrical safety of transformer.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment organigram;
Fig. 2 is combined pad constructing stereo figure in the utility model embodiment;
Fig. 3 is basic cushion block constructing stereo figure in the utility model embodiment;
Fig. 4 is middle spacer constructing stereo figure in the utility model embodiment;
Fig. 5 is rubber slab constructing stereo figure in the utility model embodiment;
Number in the figure illustrates: 1-iron core, 2-upper clamping piece, 3-lower clamping piece, 4-high pressure winding, 5-low pressure winding, 6-insulating cylinder, 7-combined pad, 8-basis cushion block, 9-rubber slab, 10-middle spacer, 11-line channel, 12-projection, 13-straight-tooth, 14-side plate, 15-spacing hole, the convex button of 16-, 17-deep gouge, 18-hollow hole, 19-nail pressing.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by specific embodiment and relevant drawings, the utility model will be described in further detail.
As shown in Fig. 1 ~ 5, a kind of dry-type transformer combined pad device body insulation structure, comprise iron core 1, upper clamping piece 2, lower clamping piece 3 and height, low pressure winding (4, 5), insulating cylinder 6 is provided with between described high pressure winding 4 and low pressure winding 5, described height, low pressure winding (4, 5) between upper end and upper clamping piece 2 and high, low pressure winding (4, 5) combined pad 7 for axial location is provided with between lower end and lower clamping piece 3, described combined pad 7 comprises basic cushion block 8 and is pressed on two rubber slabs 9 on high-tension coil 4 and low-voltage coil 5 end face respectively, middle spacer 10 is folded with between described basic cushion block 8 and each rubber slab 9.
In the present embodiment, described basic cushion block 8 and middle spacer 10 all adopt reinforced polyamide single injection-molded, there is good combination property, comprise stronger resistance to compression, shock resistance and hot strength, thermal endurance is high, and chemical-resistance is good, office lowers and stablizes, have certain anti-flammability, be easy to the advantages such as processing, the material total cost of new material combined pad reduces about 20% compared to the cross-over block of resin-cast.
In the present embodiment, the side that described basic cushion block 8 matches with middle spacer 10 is provided with line channel 11 along its length, the respective side of described middle spacer 10 is provided with the projection 12 matched with line channel 11, described projection 12 embeds in described line channel 11, described line channel 11 two side is provided with straight-tooth 13 along its depth direction, described projection 12 corresponding side surface is also provided with the straight-tooth 13 of corresponding matching, described straight-tooth 13 can limit the position of middle spacer 10 on line channel 11, when changing the position of middle spacer 10, need it to extract out from line channel 11 and again embed after choosing position.
In the present embodiment, interval is left between described two rubber slabs 9, this interval and the Annular chamber end be positioned between high and low pressure coil (4,5), described middle spacer 10 is positioned at one end, described interval and is fixed with and bends towards high and low pressure coil (4,5) direction and to pass the side plate 14 at described interval, and described insulating cylinder 6 end is sandwiched between the biside plate 14 on two middle spacer 10 of respective side.The position limiting structure formed between biside plate 14 facilitates high voltage winding assembling to join, and improves the efficiency of assembling of product; Combined pad can assemble out the combined pad of various sizes specification by the parts of several different length simultaneously, meet the design requirement of different product, the position of convenient adjustment insulating cylinder 6 and then the air flue thickness of change main insulation both sides, the radiating requirements of reasonable adjusting high-low pressure winding.Dry-type transformer adopts this device body insulation structure, and the insulating cylinder 6 in main insulation highly at least can improve more than 15mm, and the compressive resistance of product and retting-flax wastewater increase 5-10% compared to the transformer of traditional structure, improve the electrical safety of transformer.
In the present embodiment, described side plate 14 is provided with spacing hole 15, described rubber slab 9 is provided with the convex button 16 that can snap in described spacing hole 15 near described side plate 14 one end, and rubber slab 9 is stuck in spacing hole 15 by convex button 16 and realizes and being fixedly connected with of middle spacer 10.
In the present embodiment, in order to reduce the weight of basic cushion block 8 and reduce material, described basic cushion block 8 sidewall offers deep gouge 17, basic cushion block 8 is also provided with the hollow hole 18 being positioned at line channel 11.
In the present embodiment, described upper clamping piece 2 is provided with the nail pressing 19 for compressing on described combination jacking block 7.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. a dry-type transformer combined pad device body insulation structure, it is characterized in that: comprise iron core, upper clamping piece, lower clamping piece and high and low pressure winding, insulating cylinder is provided with between described high pressure winding and low pressure winding, the combined pad for axial location is provided with between described high and low pressure winding upper end and upper clamping piece and between high and low pressure winding lower end and lower clamping piece, described combined pad comprises basic cushion block and is pressed on two rubber slabs on high-tension coil and low-voltage coil end face respectively, is folded with middle spacer between described basic cushion block and each rubber slab.
2. dry-type transformer combined pad device body insulation structure according to claim 1, it is characterized in that: the side that described basic cushion block matches with middle spacer is provided with line channel along its length, the respective side of described middle spacer is provided with the projection matched with line channel, described line channel two side is provided with straight-tooth along its depth direction, and described projection corresponding side surface is also provided with the straight-tooth of corresponding matching.
3. dry-type transformer combined pad device body insulation structure according to claim 2, it is characterized in that: between described two rubber slabs, leave interval, described middle spacer is positioned at one end, described interval and is fixed with and bends towards high and low pressure coil direction and to pass the side plate at described interval, and described insulating cylinder end is sandwiched between the biside plate on two middle spacer of respective side.
4. dry-type transformer combined pad device body insulation structure according to claim 3, it is characterized in that: described side plate is provided with spacing hole, described rubber slab is provided with the convex button that can snap in described spacing hole near described side plate one end.
5. dry-type transformer combined pad device body insulation structure according to claim 1, is characterized in that: described basic cushion block and middle spacer all adopt reinforced polyamide single injection-molded.
6. dry-type transformer combined pad device body insulation structure according to claim 2, is characterized in that: described basic cushion block sidewall offers deep gouge, basic cushion block is also provided with the hollow hole being positioned at line channel.
7. dry-type transformer combined pad device body insulation structure according to claim 1, is characterized in that: described upper clamping piece is provided with the nail pressing for compressing on described combination jacking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328198.1U CN204045365U (en) | 2014-06-19 | 2014-06-19 | Dry-type transformer combined pad device body insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328198.1U CN204045365U (en) | 2014-06-19 | 2014-06-19 | Dry-type transformer combined pad device body insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045365U true CN204045365U (en) | 2014-12-24 |
Family
ID=52246003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328198.1U Expired - Fee Related CN204045365U (en) | 2014-06-19 | 2014-06-19 | Dry-type transformer combined pad device body insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091683A (en) * | 2014-06-19 | 2014-10-08 | 国家电网公司 | Dry-type transformer body insulation structure adopting combined cushion blocks |
| CN105788831A (en) * | 2016-05-23 | 2016-07-20 | 江苏中容科技有限公司 | Dry-type transformer with combined type cushion blocks |
-
2014
- 2014-06-19 CN CN201420328198.1U patent/CN204045365U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091683A (en) * | 2014-06-19 | 2014-10-08 | 国家电网公司 | Dry-type transformer body insulation structure adopting combined cushion blocks |
| CN104091683B (en) * | 2014-06-19 | 2016-05-11 | 国家电网公司 | Dry-type transformer combined pad device body insulation structure |
| CN105788831A (en) * | 2016-05-23 | 2016-07-20 | 江苏中容科技有限公司 | Dry-type transformer with combined type cushion blocks |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104091683B (en) | Dry-type transformer combined pad device body insulation structure | |
| CN204045365U (en) | Dry-type transformer combined pad device body insulation structure | |
| CN203931737U (en) | A kind of combined magnet core of different magnetic permeabilitys | |
| CN201904190U (en) | Resin insulation stereoscopic iron rolling core dry-type transformer with novel winding structure | |
| CN201508769U (en) | 10kV and 20kV sharing current and voltage combination mutual inductor | |
| CN203596255U (en) | Insulated assembling structure of body of three-phase three-column amorphous alloy dry-type transformer | |
| CN204242779U (en) | A kind of bifilar helix ring type transformer | |
| CN202835529U (en) | Wood floor | |
| CN203055637U (en) | Insulation structure of end portion of transformer coil | |
| CN201449849U (en) | Novel iron yoke binding structure of high-voltage transformer | |
| CN202585082U (en) | High-insulation level mutual inductor framework | |
| CN205428639U (en) | Dry -type transformer | |
| CN106298182A (en) | The assembling structure of electrical transformer cores | |
| CN104134523A (en) | Low-voltage-coil axial air passage transformer | |
| CN204102675U (en) | A kind of novel magnetic elements core structure | |
| CN204537797U (en) | Low inductance high-current inductor | |
| CN202034202U (en) | Transformer body cushion block with silicon rubber bar | |
| CN202887917U (en) | Supporting cushion block for forced air cooling air guiding cylinder | |
| CN204668115U (en) | A kind of epoxy cast dry transformer cushion block structure | |
| CN204270811U (en) | A kind of three-phase stereo formula energy saving transformer is unshakable in one's determination | |
| CN203931743U (en) | A kind of magnetic core of sectional area optimization | |
| CN203733593U (en) | Dry-type transformer with split coils | |
| CN204632538U (en) | A kind of insulation pressing of novel solid rolled iron core dry-type transformer | |
| CN203491069U (en) | Insulating end ring for resin pouring-type transformer high-voltage coil | |
| CN203338975U (en) | Multifunctional wire wrapping mold for amorphous alloy transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141224 |