CN206163284U - Anti short circuit transformer - Google Patents
Anti short circuit transformer Download PDFInfo
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- CN206163284U CN206163284U CN201621189500.5U CN201621189500U CN206163284U CN 206163284 U CN206163284 U CN 206163284U CN 201621189500 U CN201621189500 U CN 201621189500U CN 206163284 U CN206163284 U CN 206163284U
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Abstract
The utility model especially relates to an anti short circuit transformer. This anti short circuit transformer, including A looks coil, B looks coil, C looks coil, all include the iron core, low voltage coil, high -pressure coil, low voltage coil, the high -pressure coil cover is outside the iron core, interior insulating board, the low voltage coil wire, coil side separator, end coils is an overall structure, high -pressure coil's wire, coil side separator, end coils is an overall structure, low voltage coil, high -pressure coil's end coils sets gradually the cushion outward, the folder, low voltage coil, high -pressure coil passes through log stick stretching with the iron core, a looks coil, B looks coil, the fagging stretching is used in the clearance between the C looks coil, the A looks coil at both ends, the insulation board is put to C looks coil peripheral hardware, the insulation board links to each other with the folder through the top nail. This scheme is not increasing under the former material cost circumstances, and the messenger joins in marriage the change transformer and has the ability that satisfies anti short circuit, has effectively stoped transformer winding unstability when the short circuit to be out of shape, and much more more manufacturer creates profit margin for production.
Description
（One）Technical field
This utility model is related to transformator, more particularly to a kind of resistance to shorting transformator.
（Two）Background technology
At this stage, the requirement more and more higher with Guo Wang companies to electrical network distribution transforming transformator quality, will meet resistance to shorting
Ability, it is have formed glass steel cylinder inside round structure, and low pressure winding that traditional structure is Transformer Winding, and is also had
20mm thick pressing plate, could pass through short circuit, and cost is more high than conventional common ellipsoid distribution transforming transformator（Typically will height
15%）, occupy significantly profit margin.
（Three）Utility model content
This utility model is in order to make up the deficiencies in the prior art, there is provided a kind of resistance to shorting transformator, and this utility model leads to
Crossing special process and structure makes three-phase coil become " steel body " structure；Cardboard and round log rod is used to support between coil and iron core
Tightly, low-voltage coil is prevented to receive to be shunk during short-circuit force inward, so as to sustain the impact of short-circuit force.
This utility model is achieved by the following technical solution：
A kind of resistance to shorting transformator, including A phase coils, B phase coils, C phase coils, which is characterized in that：A phase coils, B
Phase coil, C phase coils include iron core, low-voltage coil, high-tension coil, and low-voltage coil, high-tension coil are enclosed within outside iron core, low-voltage line
The interior insulation cardboard side brush coating layer of circle, the conductive contact of the interior insulation cardboard side and low-voltage coil, low-voltage coil conductor layer it
Between layer insulation, end circle adopt full glue cable paper, interior insulation cardboard, low-voltage coil wire, layer insulation, end circle are one whole
Body structure, the layer insulation between the conductor layer of high-tension coil adopt full glue cable paper or big Pedicellus et Pericarpium Trapae lattice point gummed paper, high-tension coil
End circle both sides brush coating layer, the wire of high-tension coil, layer insulation, end are enclosed as an overall structure, low-voltage coil, the end of high-tension coil
Circle is outer to set gradually cushion block, folder, and low-voltage coil, high-tension coil and iron core are by round log rod stretching, A phase coils, B phase coils, C
Gap fagging stretching between phase coil, arranges insulation board outside the A phase coils at two ends, C phase coils, insulation board is by pushing up nail with folder
Part is connected.
The first layer conductor of high-tension coil after complete, brush coating layer with without latitude band winding.
High-tension coil outermost is wound without latitude band.
Insulation board is arc, by PET steel bands by it is insulation board and A phase coils, B phase coils, C phase coils tired tie up into one it is whole
Body.
Low-voltage coil wire is Copper Foil.
Glue-line is 1411 glue-lines.
The first head and merogenesis lead of high-tension coil is tight with wood strip folder clamping.
The lead two ends copper bar of low-voltage coil is connected with insulated terminal, and it is firm to be connected to a fixed with folder.
A kind of preparation technology of resistance to shorting transformator, comprises the following steps：A phase coils, B phase coils, C phase coil low-voltage lines
The layer insulation and end circle of circle adopts full glue cable paper, after the completion of coiling, by press-fiting, heating, makes on full glue cable paper
Glue thawing is sticked together with the wire of low-voltage coil, forms an entirety；Layer insulation between the conductor layer of high-tension coil is adopted
With full glue cable paper or big Pedicellus et Pericarpium Trapae lattice point gummed paper, after the completion of coiling, both sides brush coating layer is enclosed at the end of high-tension coil, and Jing press-fits, heating is consolidated
Change, enclose end and become an entirety；High-voltage coil and low-voltage coil is enclosed within iron core, round log rod is used, coil and iron core stretching, per phase
Gap fagging stretching between coil, arranges insulation board outside the A phase coils at two ends, C phase coils, insulation board is by pushing up nail and folder
It is connected.
Wherein, heating is divided into intensification, insulation, 3 stages of cooling, and temperature is raised to 120 DEG C of holding 5-8 hours, then lowers the temperature
To 110 DEG C of holding 2-5 hours, then lower the temperature and come out of the stove.
The beneficial effects of the utility model are：This utility model is on the basis of existing oval conventional transformer by special work
Process, layer insulation adopt full glue cable paper, end turn brush coating to allow end circle to become an entirety；Low-voltage coil adopts paper tinsel
Around with round log rod stretching between coil and iron core, the measure such as alternate stretching makes coil, iron core, folder become " steel body " structure, and body
Product is little.The program in the case of the cost of raw material is not increased makes distribution transforming transformator have the ability for meeting resistance to shorting, effectively hinders
Transformator winding buckling deformation in short circuit is stopped, has been that production manufacturing firm creates more profit margins, has more product
The market competitiveness.
（Four）Description of the drawings
Below in conjunction with the accompanying drawings this utility model is further described.
Accompanying drawing 1 is front view of the present utility model；
Right view of the accompanying drawing 2 for accompanying drawing 1；
Top view of the accompanying drawing 3 for accompanying drawing 1；
In figure, 1, folder；2nd, iron core；3rd, cushion block；4th, end circle；5th, high-tension coil；6th, low-voltage coil；7th, insulation board；8th, push up
Nail；9th, fagging；10th, round log rod.
（Five）Specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.The embodiment includes A phase coils, B phase coils, C phase coils,
Which is characterized in that：A phase coils, B phase coils, C phase coils include iron core 2, low-voltage coil 6, high-tension coil 5, low-voltage line
Circle 6, high-tension coil 5 is enclosed within outside iron core 2, the interior insulation cardboard side brush coating layer of low-voltage coil 6, the interior insulation cardboard side and low pressure
The conductive contact of coil 6, the layer insulation, end circle 4 between 6 conductor layer of low-voltage coil adopt full glue cable paper, interior insulation paper
Plate, 5 wire of low-voltage coil, layer insulation, end enclose 4 for an overall structure, and the layer insulation between the conductor layer of high-tension coil 5 is adopted
With full glue cable paper or big Pedicellus et Pericarpium Trapae lattice point gummed paper, the end circle both sides brush coating layer of high-tension coil 5, the wire of high-tension coil 5, interlayer are exhausted
Edge, end circle for an overall structure, low-voltage coil 6, high-tension coil 5 end circle it is outer set gradually cushion block 3, folder 1, low-voltage coil 6,
High-tension coil 5 and iron core 2 by 10 stretching of round log rod, gap 9 stretching of fagging between A phase coils, B phase coils, C phase coils,
Insulation board 7 is set outside the A phase coils at two ends, C phase coils, and insulation board 7 is connected with folder 1 by pushing up nail 8.
5 first layer conductor of high-tension coil, can be with brush coating layer and with without latitude band winding after complete.
5 outermost of high-tension coil can be wound without latitude band.
Insulation board 7 is arc, insulation board 7 is stranded with A phase coils, B phase coils, C phase coils by PET steel bands and ties up into one
It is overall.
6 wire of low-voltage coil is Copper Foil.
Glue-line is 1411 glue-lines.
The first head and merogenesis lead of high-tension coil 5 is tight with wood strip folder clamping.
The lead two ends copper bar of low-voltage coil 6 is connected with insulated terminal, and it is firm to be connected to a fixed with folder 1.
This utility model resistance to shorting transformator technique is specially：
1. in terms of coiling
（1）, low pressure winding using paper tinsel around by one side brush of low pressure winding interior insulation cardboard, 1411 glue, the side is connected with Copper Foil
Touch, the insulation of low pressure winding interlayer and hold insulation using full glue cable paper, purpose in the laggard stove heat of coil press mounting, on full gummed paper
Glue fusing blend with Copper Foil, such interior insulation cardboard, Copper Foil, layer insulation, hold insulation become an overall structure；
（2）, high-tension coil 5 to wind consolidation, prevent the wire movement in short circuit, cause winding buckling deformation, wherein, high-tension coil 5
First layer conductor one layer of glue of brush can increase intensity with without latitude band around one layer after complete；（3）, insulate between high-voltage winding layer and adopt
With big Pedicellus et Pericarpium Trapae lattice point gummed paper or full glue cable paper, big rib lattice point gummed paper goes out greatly perhaps than the content and coverage rate of common rib lattice point gummed paper glue
Many, preferably can blend with high-voltage conducting wires in heating becomes an entirety；（4）, two side brush of high-pressure side circle, 1411 glue, when around
Group press-fits into after stove heat solidification, and high-pressure side circle becomes an entirety, compresses wire equivalent to one " pressing plate "；（5）, in height
Press winding outermost around two layers without latitude band, high pressure winding outside diametral force when limiting short circuit；（6）, press-fit stove heat of going forward side by side,
Coil is made to become an overall structure, heating is divided into intensification, insulation, 3 stages of cooling, and temperature is raised to 120 DEG C and keeps 5-8 little
When, 110 DEG C of holding 2-5 hours are then cooled to, then cooling is come out of the stove, and preferable temperature is raised to 120 degree and is kept for 6 hours, then drops
Temperature to 110 degree is kept for 4 hours, and then cooling is come out of the stove, and the glue on insulating part is fully bonded with wire, makes coil become an entirety
" steel " structure.
2. in terms of assembling
（1）, with round log rod 10 and fagging 9 by the gap stretching between coil and iron core 2, iron core 2 is changed into into low pressure winding
Skeleton, prevent low pressure winding winding contraction distortion inward when by short-circuit force, so as to solve low pressure winding in short circuit
Destruction of the inside diametral force to winding.
（2）, to prevent high pressure winding tensile force outward when by short circuit, prevent 6 external diameter of high-tension coil from becoming big, use paper
Plate adds arc alternate stretching, on the outside of high pressure winding A, C phase（Insulation board）, arc is done using lamination is wooden, and uses PET steel
Band ties up into an entirety by arc and winding tired（Other structures measure can also be taken to be integrally formed three-phase coil）Work as height
Pressure winding when by short-circuit force can be subject to tensile force wire outward stretch out, stretch high-voltage conducting wires outward
Space（It is alternate）Stretching, is bundled with PET steel bands with arc on the outside of width, and length direction whether there is latitude band winding, therefore
The space that wire is not stretched out, therefore will not buckling deformation.
（3）, because of low pressure using paper tinsel around structure, axial force is not very big, and coil has become steel body knot
Structure, using conventional cushion block structure, axial force when can just sustain short circuit.
3. in terms of lead
（1）, the first head of high pressure and merogenesis lead it is tight with wood strip folder clamping, when preventing short circuit, on wire, power is acted on winding.
（2）, low-voltage lead two ends copper bar connected with insulated terminal, and it is firm to be connected to a fixed in folder.
4. Case Experiments On A number innings
Transformator for the oval structure of S13-200/10 adopts this scheme below, and the short circuit experiment data done are as follows：
Table 1：Short-circuit test current data
Table 2：The test data of short-circuit test tap position 1
Table 3：The test data of short-circuit test tap position 3
Table 4：The test data of short-circuit test tap position 5
Claims (8)
1. a kind of resistance to shorting transformator, including A phase coils, B phase coils, C phase coils, it is characterised in that：A phase coils, B phase lines
Circle, C phase coils include iron core, low-voltage coil, high-tension coil, and low-voltage coil, high-tension coil are enclosed within outside iron core, low-voltage coil
The conductive contact of interior insulation cardboard side brush coating layer, the interior insulation cardboard side and low-voltage coil, between low-voltage coil conductor layer
, using full glue cable paper, interior insulation cardboard, low-voltage coil wire, layer insulation, end circle are an overall knot for layer insulation, end circle
Structure, the layer insulation between the conductor layer of high-tension coil adopt full glue cable paper or big Pedicellus et Pericarpium Trapae lattice point gummed paper, the end circle of high-tension coil
Both sides brush coating layer, the wire of high-tension coil, layer insulation, end circle are an overall structure, outside low-voltage coil, the end circle of high-tension coil
Cushion block, folder are set gradually, low-voltage coil, high-tension coil and iron core are by round log rod stretching, A phase coils, B phase coils, C phase lines
Gap fagging stretching between circle, arranges insulation board outside the A phase coils at two ends, C phase coils, insulation board is by pushing up nail and folder phase
Even.
2. resistance to shorting transformator according to claim 1, it is characterised in that：The first layer conductor of high-tension coil after complete, brush
Glue-line with without latitude band winding.
3. resistance to shorting transformator according to claim 1 and 2, it is characterised in that：High-tension coil outermost is wound without latitude band.
4. resistance to shorting transformator according to claim 3, it is characterised in that：Insulation board is arc, will be exhausted by PET steel bands
Listrium is stranded with A phase coils, B phase coils, C phase coils ties up into an entirety.
5. resistance to shorting transformator according to claim 4, it is characterised in that：Low-voltage coil wire is Copper Foil.
6. resistance to shorting transformator according to claim 5, it is characterised in that：Glue-line is 1411 glue-lines.
7. resistance to shorting transformator according to claim 6, it is characterised in that：The first head of high-tension coil and merogenesis lead wood
Wire clamp clamping is tight.
8. resistance to shorting transformator according to claim 7, it is characterised in that：The lead two ends copper bar of low-voltage coil is with absolutely
Acies connection, and it is firm to be connected to a fixed with folder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189500.5U CN206163284U (en) | 2016-10-31 | 2016-10-31 | Anti short circuit transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189500.5U CN206163284U (en) | 2016-10-31 | 2016-10-31 | Anti short circuit transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163284U true CN206163284U (en) | 2017-05-10 |
Family
ID=58656202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621189500.5U Active CN206163284U (en) | 2016-10-31 | 2016-10-31 | Anti short circuit transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373756A (en) * | 2016-10-31 | 2017-02-01 | 山东华驰变压器股份有限公司 | Anti-short circuit transformer and preparation technology thereof |
-
2016
- 2016-10-31 CN CN201621189500.5U patent/CN206163284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373756A (en) * | 2016-10-31 | 2017-02-01 | 山东华驰变压器股份有限公司 | Anti-short circuit transformer and preparation technology thereof |
| CN106373756B (en) * | 2016-10-31 | 2018-01-26 | 山东华驰变压器股份有限公司 | A kind of resistance to shorting transformer and its preparation technology |
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