CN204926978U - Rectangle lamination formula silicon steel iron core transformer - Google Patents
Rectangle lamination formula silicon steel iron core transformer Download PDFInfo
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- CN204926978U CN204926978U CN201520521605.5U CN201520521605U CN204926978U CN 204926978 U CN204926978 U CN 204926978U CN 201520521605 U CN201520521605 U CN 201520521605U CN 204926978 U CN204926978 U CN 204926978U
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- silicon steel
- stem
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Abstract
The utility model discloses a rectangle lamination formula silicon steel iron core transformer, including iron core and coil, the iron core is formed by rectangle silicon steel sheet stack stem stem, upper yoke and lower indisputable yoke, the upper surface of iron core and lower surface are the plane, and the outline is the cuboid shape, the cross -section of stem stem is the rectangle, the coil is rectangular coil. Compared with the prior art, the utility model discloses the iron core sheet -like is few, and the strip is sheared conveniently, simple manufacture, and iron core effective space high -usage, support coil that can be fine can the anti burst short circuit ability of effectual improvement.
Description
Technical field
The utility model relates to the stacked silicon steel core transformer of a kind of rectangle, belongs to transformer technology field.
Background technology
Present distribution transformer product, requires energy-conserving and environment-protective, and anti-short circuit capability is strong, and cost is low, easy to make, good manufacturability.Traditional silicon steel laminations formula appendiron core transformer product iron core is circular or Long Circle, and this structure exists the many shortcomings of iron chip type, there are several even tens kinds of sheet shapes when snip, causes the shearing used time many, there is cover and cut not aspect, easily produce waste material.In addition, there is occupation efficiency problem in circular iron core, and namely the iron core of circular cross-section is only when iron chip type is abundant, and the occupation efficiency of iron core just can be enough high.And the anti-sudden short circuit ability of traditional round tee section appendiron core transformer is good, but there is the shortcoming that transformer cost is high, as shown in Figure 1, the upper and lower surface of long round section appendiron core transformer is uneven, coil is stressed bad, there is support dead angle in the upper and lower of coil, coil can not be supported preferably, its anti-sudden short circuit ability.
Utility model content
Goal of the invention: for problems of the prior art, the utility model provides the stacked silicon steel core transformer of a kind of rectangle, the shortcoming that traditional silicon steel laminated core structure transformer plate shape is many can be solved, make to shear conveniently, make simple, and effectively improve the anti-sudden short circuit ability of transformer.
Technical scheme: for achieving the above object, the utility model adopts following technical scheme:
The stacked silicon steel core transformer of a kind of rectangle, comprise iron core and coil, described iron core is formed by rectangular silicon steel disc stack, comprises stem stem, upper yoke and lower yoke; The upper surface of described iron core and lower surface are plane, and outline is rectangular shape, and the cross section of described stem stem is rectangle, and described coil is square coil.
Further, described stem stem top and upper yoke are fixed by upper clamping piece, and stem stem bottom and lower yoke are fixed by lower clamping piece.
Further, between described coil and upper yoke, and be respectively equipped with core insulation between coil and lower yoke, between coil and upper clamping piece, be provided with top board, between coil and lower clamping piece, be provided with lower platen.
Further, described top board and lower platen comprise four rectangles and two and half I-shaped pressing plates respectively.
Further, on described upper clamping piece, top board, lower platen and lower clamping piece, correspondence is provided with several through holes respectively, is compressed by coil by Screw arbor with nut at both-ends.
Further, the clamping plate that described upper clamping piece and lower clamping piece are concave character type by two pieces of cross sections respectively form, and are strained between two clamping plates by Screw arbor with nut at both-ends.
Further, stay is provided with between described coil and iron core.
Beneficial effect: compared with prior art, the utility model tool has the following advantages: 1, transformer core of the present utility model is rectangular configuration, and solve the shortcoming that tradition is circular or oval-shaped iron core sheet shape is many, iron chip type is few, band is sheared convenient, decreases the generation that waste material cut by cover; And sheet shape is few, also effectively raise the speed of lamination, core lamination stack is convenient, saves man-hour.2, tradition circle or Long Circle iron core are only when sheet shape is abundant, and the occupation efficiency that just can be comparatively satisfied with, square-section iron core occupation efficiency is 100% in theory, and namely square-section iron core useful space utilance is high, reaches the object reduced costs.3, iron core upper surface of the present utility model and lower surface are a plane, iron-core coil is better stressed, and square-section iron core no matter from coil width to or axially can good support coils, support dead angle is few, effectively can improve anti-sudden short circuit ability.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing Long Circle appendiron core transformer.
Fig. 2 is the schematic side view of rectangle iron core transformer of the present utility model.
Fig. 3 is the schematic front view of rectangle iron core transformer of the present utility model.
Fig. 4 is the schematic top plan view of rectangle iron core transformer of the present utility model.
In Fig. 2-4,1: iron core, 2: coil, 3: upper clamping piece, 4: top board, 5: lower clamping piece, 6: lower platen, 11: stem stem, 21: low-voltage coil, 22: high-tension coil.
Embodiment
Below in conjunction with specific embodiment, illustrate the utility model further, these embodiments should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
As in Figure 2-4, the stacked silicon steel core transformer of a kind of rectangle disclosed in the utility model embodiment, its iron core 1 is formed by rectangular silicon steel disc stack, the overall outline of iron core 1 is cuboid, upper surface and lower surface are plane, the cross section of iron core stem stem 11 is rectangle, and the coil 2 be enclosed within stem stem 11 is square coil.The joint of stem stem 11 and upper yoke is provided with upper clamping piece 3, and the joint of stem stem 11 and lower yoke is provided with lower clamping piece 5, is fixed to clamp by iron core by folder from top to bottom.Between coil 2 and upper yoke, and be respectively equipped with core insulation between coil 2 and lower yoke, between upper clamping piece 3 and coil 2, and be provided with between lower clamping piece 5 and coil 2 at the top board 4 of coil axial support coil and lower platen 6.Top board 4 and lower platen 6 comprise four rectangles and two and half I-shaped pressing plates respectively, rectangular pressing plate is used for adjacent two coils 2, the coil of half I-shaped pressing plate on limit, pressing plate is positioned at outside coil, place around iron core circumference, can in coil axially good support coils.And make to support more firm further, on folder from top to bottom and upper lower platen, between two ends and coil, correspondence arranges through hole respectively, is compressed by coil 2 by 8 Screw arbor with nut at both-ends.Coil 2 comprises low-voltage coil 21 and high-tension coil 22, in order to make coil 2 at width to being supported preferably, between low-voltage coil 21 and stem stem 11, squeezes into stay.In order to make coil 2 axially better being supported, between coil 2 and upper yoke, squeeze into fagging.Folder from top to bottom can adopt two pieces of cross sections to be the clamping plate of concave character type, and two ends are strained by Screw arbor with nut at both-ends, laterally and is vertically giving iron core 1 and the enough thrust of coil 2 respectively.
The manufacturing process of the transformer of the utility model embodiment is as follows: 1. iron core cutting sheets, the iron chip type of this example is less, for stem stem, if Pyatyi seam, then stem stem, Double layer iron yoke respectively iron core only have three kinds of sheet shapes, rectangular iron chip is wide is a kind of, and cutting method is with conventional core cutting method.2. coil winding, low-voltage coil inside is 1-1.5mm insulating board, and wrap in coiling low pressure and high-tension coil on mould, winding method is with conventional winding method.3. assemble, iron core qualified for semi-finished product is transported to device body assembly section, upper yoke is taken out, places lower yoke insulation and lower platen, be then set with A, B, C three-phase coil, squeezes into stay between low-voltage coil and iron core stem stem, ensures coil stretching, finally place upper yoke insulation, then insert upper yoke; 4. lead-in wire makes, and then device body enters drying room, and device body is dry, after device body goes out drying room, between coil and upper yoke, squeeze into stay, and place top board, ensure that coil well compresses in the axial direction, improve anti-short circuit capability, all the other processes are similar to conventional transformer, repeat no more.
Claims (5)
1. the stacked silicon steel core transformer of rectangle, comprises iron core and coil, it is characterized in that, described iron core is formed by rectangular silicon steel disc stack, comprises stem stem, upper yoke and lower yoke; The upper surface of described iron core and lower surface are plane, and outline is rectangular shape, and the cross section of described stem stem is rectangle, and described coil is square coil; Described stem stem top and upper yoke are fixed by upper clamping piece, and stem stem bottom and lower yoke are fixed by lower clamping piece; Between described coil and upper yoke, and be respectively equipped with core insulation between coil and lower yoke, between coil and upper clamping piece, be provided with top board, between coil and lower clamping piece, be provided with lower platen.
2. the stacked silicon steel core transformer of rectangle according to claim 1, is characterized in that, described top board and lower platen comprise four rectangles and two and half I-shaped pressing plates respectively.
3. the stacked silicon steel core transformer of rectangle according to claim 1, it is characterized in that, on described upper clamping piece, top board, lower platen and lower clamping piece, correspondence is provided with several through holes respectively, is compressed by coil by Screw arbor with nut at both-ends.
4. the stacked silicon steel core transformer of rectangle according to claim 1, is characterized in that, the clamping plate that described upper clamping piece and lower clamping piece are concave character type by two pieces of cross sections respectively form, and are strained between two clamping plates by Screw arbor with nut at both-ends.
5. the stacked silicon steel core transformer of rectangle according to claim 1, is characterized in that, be provided with stay between described coil and iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521605.5U CN204926978U (en) | 2015-07-17 | 2015-07-17 | Rectangle lamination formula silicon steel iron core transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521605.5U CN204926978U (en) | 2015-07-17 | 2015-07-17 | Rectangle lamination formula silicon steel iron core transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204926978U true CN204926978U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520521605.5U Expired - Fee Related CN204926978U (en) | 2015-07-17 | 2015-07-17 | Rectangle lamination formula silicon steel iron core transformer |
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| CN (1) | CN204926978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185528A (en) * | 2015-07-17 | 2015-12-23 | 江苏宏源电气有限责任公司 | Rectangular laminated type silicon steel iron core transformer |
-
2015
- 2015-07-17 CN CN201520521605.5U patent/CN204926978U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185528A (en) * | 2015-07-17 | 2015-12-23 | 江苏宏源电气有限责任公司 | Rectangular laminated type silicon steel iron core transformer |
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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 |
Granted publication date: 20151230 Termination date: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |