CN203982988U - Low voltage lead structure - Google Patents
Low voltage lead structure Download PDFInfo
- Publication number
- CN203982988U CN203982988U CN201420328095.5U CN201420328095U CN203982988U CN 203982988 U CN203982988 U CN 203982988U CN 201420328095 U CN201420328095 U CN 201420328095U CN 203982988 U CN203982988 U CN 203982988U
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- Prior art keywords
- phase
- low
- phase low
- tension bushing
- types
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- 238000009413 insulation Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000004804 winding Methods 0.000 abstract description 7
- 239000002828 fuel tank Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model relates to a kind of low voltage lead structure, comprise c phase, b phase and a phase low-voltage coil in c phase, b phase, a phase and 0 phase low-tension bushing and the fuel tank being arranged on case lid, described c phase sleeve pipe is positioned at directly over c phase low-voltage coil, between c phase low-tension bushing and 0 phase low-tension bushing, distance is less than distance between c phase low-voltage coil and a phase low-voltage coil, and the outlet row of a, b, c three-phase coil is linked together by horizontally-arranged 0; C phase low-tension bushing is connected with c phase low-voltage coil lead-in line row by vertical setting of types c; B phase low-tension bushing below is connected with vertical setting of types b, and vertical setting of types b lower end is connected with a horizontally-arranged b left end, and horizontally-arranged b right-hand member is connected with b phase low-voltage coil lead-in line row; A phase low-tension bushing below is connected with vertical setting of types a, and vertical setting of types a lower end is connected with a horizontally-arranged a left end, and horizontally-arranged a right-hand member is connected with a phase low-voltage coil lead-in line row.The pin configuration of this low voltage lead structure is simple, makes winding D.C. resistance trim simple, has reduced material cost and manufacturing cost.
Description
Technical field
The utility model relates to a kind of low voltage lead structure, belongs to transformer manufacture technology.
Background technology
Existing strong current transformer is because its sleeve position is arranged on the aesthetic that is confined to be symmetrical set, make winding D.C. resistance trim difficulty, need to amplify copper bar cross section or even on copper bar, slot and could be able to reach the object of winding D.C. resistance trim, complex structure, cost is high, and manufactures difficulty.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of winding D.C. resistance trim that is easy to, and pin configuration is simple, manufactures assembling simply and the low voltage lead structure of low cost of manufacture.
The utility model adopts following scheme to realize: a kind of low voltage lead structure, comprise being arranged in order and be arranged on the c phase that transformer tank covers, b phase, a phase and 0 phase low-tension bushing and be arranged in order the c phase being arranged in oil tank of transformer, b phase and a phase low-voltage coil, wherein the low-tension bushing of every phase is two group sleeve pipes, described c phase sleeve pipe is positioned at directly over c phase low-voltage coil, c phase low-tension bushing is less than the distance between c phase low-voltage coil and a phase low-voltage coil with the distance between 0 phase low-tension bushing, a phase low-tension bushing and b phase low-tension bushing are distributed in the both sides of b phase low-voltage coil, a, b, the outlet row of c three-phase low-voltage coil is linked together by horizontally-arranged 0, 0 phase low-tension bushing is connected with horizontally-arranged 0 by vertical setting of types 0, c phase low-tension bushing is connected with the lead-in line row of c phase low-voltage coil by vertical setting of types c, b phase low-tension bushing below is connected with vertical setting of types b, and vertical setting of types b lower end is connected with a horizontally-arranged b left end, and horizontally-arranged b right-hand member is connected with the lead-in line row of b phase low-voltage coil, a phase low-tension bushing below is connected with vertical setting of types a, and vertical setting of types a lower end is connected with a horizontally-arranged a left end, and horizontally-arranged a right-hand member is connected with the lead-in line row of a phase low-voltage coil.
Further, between described vertical setting of types c and c phase low-tension bushing, between vertical setting of types b and b phase low-tension bushing, between vertical setting of types a and a phase low-tension bushing and between vertical setting of types 0 and 0 phase low-tension bushing, all by soft wiring sheet, be connected.
Further, the connection each other of all horizontally-arrangeds, vertical setting of types, lead-in line row and outlet row is to be all connected by screw bolt and nut.
Further, between the outlet row of c phase, b phase and a phase low-voltage coil and lead-in line row, be provided with insulation board, and be also provided with insulation board between outlet row and inner wall of oil tank.
Compared with prior art, the utlity model has following beneficial effect: the pin configuration of this low voltage lead structure is simple, make winding D.C. resistance trim simple, do not need to amplify copper bar cross section or slot and can reach the object of winding D.C. resistance trim on copper bar, thereby greatly reduce material cost and manufacturing cost, simultaneously between sleeve pipe and bronze medal, adopt soft wiring sheet to be connected, not only reduced the active force of copper bar to sleeve pipe, and assembling easily, the quality that improved product, while having saved assembler, improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment organigram;
Fig. 2 is the left view of Fig. 1;
Number in the figure explanation: 1-case lid, 2-c phase low-tension bushing, 3-b phase low-tension bushing, 4-a phase low-tension bushing, 5-0 phase low-tension bushing, 6-fuel tank, 7-c phase low-voltage coil, 8-b phase low-voltage coil, 9-a phase low-voltage coil, 10-horizontally-arranged 0,11-vertical setting of types 0,12-vertical setting of types c, 13-vertical setting of types b, 14-horizontally-arranged b, 15-vertical setting of types a, 16-horizontally-arranged a, 17-soft wiring sheet, 18-insulation board.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below will, by specific embodiment and relevant drawings, the utility model be described in further detail.
As shown in Figure 1 and 2, a kind of low voltage lead structure, comprise and be arranged in order the c phase being arranged on transformer box cover 1, b phase, a phase and 0 phase low-tension bushing (2, 3, 4, 5) and be arranged in order the c phase being arranged in oil tank of transformer 6, b phase and a phase low-voltage coil (7, 8, 9), spaced apart between low-voltage coil is M0, wherein the low-tension bushing of every phase is two group sleeve pipes, between distance between c phase low-tension bushing 2 and b phase low-tension bushing 3 and b phase low-tension bushing 3 and a phase low-tension bushing 4, distance is L, between 0 phase low-tension bushing 5 and a phase low-tension bushing 4, distance is L0, wherein L and L0 all meet the insulation distance of low-tension bushing, described c phase sleeve pipe 2 is positioned at directly over c phase low-voltage coil 7, c phase low-tension bushing 2 is less than the distance between c phase low-voltage coil 7 and a phase low-voltage coil 9 with the distance between 0 phase low-tension bushing 5, be 2L+L0<2M0, a phase low-tension bushing 4 and b phase low-tension bushing 3 are distributed in the both sides of b phase low-voltage coil 8.C phase low-tension bushing 2 positions are positioned on c phase low-voltage coil 7 center lines, be 2L+L0<2M0 simultaneously, thereby reduced Rc0, Rb0 and Ra0 have been increased, so not only pin configuration is simple, neither must amplify copper bar cross section and also must can not reach the object of winding D.C. resistance trim by copper bar fluting, thereby greatly reduce material cost and manufacturing cost.
The outlet row of a, b, c three-phase low-voltage coil (7,8,9) is by horizontally-arranged 0(10) link together, 0 phase low-tension bushing 5 is by vertical setting of types 0(11) with horizontally-arranged 0(10) be connected, vertical setting of types 0(11) be positioned at the side of a phase low-voltage coil outlet row; C phase low-tension bushing 2 is by vertical setting of types c(12) be connected with the lead-in line row of c phase low-voltage coil 7; B phase low-tension bushing 3 belows are connected with vertical setting of types b(13), vertical setting of types b(13) lower end and a horizontally-arranged b(14) left end is connected, horizontally-arranged b(14) right-hand member is connected with the lead-in line row of b phase low-voltage coil 8; A phase low-tension bushing 4 belows are connected with vertical setting of types a(15), vertical setting of types a(15) lower end and a horizontally-arranged a(16) left end is connected, horizontally-arranged a(16) right-hand member is connected with the lead-in line row of a phase low-voltage coil 9.
In the present embodiment, described vertical setting of types c(12) with c phase low-tension bushing 2 between, vertical setting of types b(13) with b phase low-tension bushing 3 between, vertical setting of types a(15) with a phase low-tension bushing (4) between and vertical setting of types 0(11) with 0 phase low-tension bushing 5 between all by soft wiring sheet 17, be connected, not only reduced the active force of copper bar to sleeve pipe, and assembling easily, the quality that improved product, is wherein fixedly connected by welding between soft wiring sheet 17 and each copper bar.
In the present embodiment, the connection each other of all horizontally-arrangeds, vertical setting of types, lead-in line row and outlet row is to be all connected by screw bolt and nut, compare with traditional welding technique, while having saved assembler, improved production efficiency, especially to choose copper bar sectional area very large for strong current transformer, weld more difficult, thereby more remarkable effect.
In the present embodiment, in order to improve insulation safety, avoid being short-circuited, between the outlet row of c phase, b phase and a phase low-voltage coil (7,8,9) and lead-in line row, be provided with insulation board 18, and be also provided with insulation board 18 between outlet row and fuel tank 6 inwalls.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is 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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. a low voltage lead structure, it is characterized in that: comprise being arranged in order being arranged on the c phase that transformer tank covers, b phase, a phase and 0 phase low-tension bushing and be arranged in order the c phase being arranged in oil tank of transformer, b phase and a phase low-voltage coil, wherein the low-tension bushing of every phase is two group sleeve pipes, described c phase sleeve pipe is positioned at directly over c phase low-voltage coil, c phase low-tension bushing is less than the distance between c phase low-voltage coil and a phase low-voltage coil with the distance between 0 phase low-tension bushing, a phase low-tension bushing and b phase low-tension bushing are distributed in the both sides of b phase low-voltage coil, a, b, the outlet row of c three-phase low-voltage coil is linked together by horizontally-arranged 0, 0 phase low-tension bushing is connected with horizontally-arranged 0 by vertical setting of types 0, c phase low-tension bushing is connected with the lead-in line row of c phase low-voltage coil by vertical setting of types c, b phase low-tension bushing below is connected with vertical setting of types b, and vertical setting of types b lower end is connected with a horizontally-arranged b left end, and horizontally-arranged b right-hand member is connected with the lead-in line row of b phase low-voltage coil, a phase low-tension bushing below is connected with vertical setting of types a, and vertical setting of types a lower end is connected with a horizontally-arranged a left end, and horizontally-arranged a right-hand member is connected with the lead-in line row of a phase low-voltage coil.
2. low voltage lead structure according to claim 1, is characterized in that: between described vertical setting of types c and c phase low-tension bushing, between vertical setting of types b and b phase low-tension bushing, between vertical setting of types a and a phase low-tension bushing and between vertical setting of types 0 and 0 phase low-tension bushing, all by soft wiring sheet, be connected.
3. low voltage lead structure according to claim 1, is characterized in that: the connection each other of all horizontally-arrangeds, vertical setting of types, lead-in line row and outlet row is to be all connected by screw bolt and nut.
4. low voltage lead structure according to claim 1, is characterized in that: between the outlet row of c phase, b phase and a phase low-voltage coil and lead-in line row, be provided with insulation board, and be also provided with insulation board between outlet row and inner wall of oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328095.5U CN203982988U (en) | 2014-06-19 | 2014-06-19 | Low voltage lead structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328095.5U CN203982988U (en) | 2014-06-19 | 2014-06-19 | Low voltage lead structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203982988U true CN203982988U (en) | 2014-12-03 |
Family
ID=51980417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328095.5U Active CN203982988U (en) | 2014-06-19 | 2014-06-19 | Low voltage lead structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203982988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378187A (en) * | 2018-11-24 | 2019-02-22 | 福州天宇电气股份有限公司 | One kind is dry to become transformer resistance to shorting structure and its assembly method |
| CN110060859A (en) * | 2019-05-21 | 2019-07-26 | 保定天威保变电气股份有限公司 | It is a kind of can Phase Sequence-changeable transformer device structure and design method |
-
2014
- 2014-06-19 CN CN201420328095.5U patent/CN203982988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378187A (en) * | 2018-11-24 | 2019-02-22 | 福州天宇电气股份有限公司 | One kind is dry to become transformer resistance to shorting structure and its assembly method |
| CN110060859A (en) * | 2019-05-21 | 2019-07-26 | 保定天威保变电气股份有限公司 | It is a kind of can Phase Sequence-changeable transformer device structure and design method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |