CN207651311U - A kind of three dimensional wound core loaded capacity-regulated transformer - Google Patents
A kind of three dimensional wound core loaded capacity-regulated transformer Download PDFInfo
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- CN207651311U CN207651311U CN201721365621.5U CN201721365621U CN207651311U CN 207651311 U CN207651311 U CN 207651311U CN 201721365621 U CN201721365621 U CN 201721365621U CN 207651311 U CN207651311 U CN 207651311U
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Abstract
The utility model discloses a kind of three dimensional wound core loaded capacity-regulated transformer, including the babinet of transformer and coil, iron core in babinet, the coil is connect with tap switch to adjust transformer gear in the case that not powering off;The iron core uses stereo-triangular wound core structure, it is put together by three identical single frames, including three stems, the stem three-dimensional arrangement in equilateral triangle, three stem lengths of magnetic path are completely the same and most short, the coil includes high-tension coil and low-voltage coil, and the height, crimping circle are directly wound on the iron core, and the iron core and coil are fixedly clamped by the folder of integral type.Due to using stereo-triangular wound core structure, the magnetic circuit direction in magnetic conduction direction and iron core that the close and described material strip is wound between material strip is completely the same, to solve the noise that laminated core is sent out because magnetic circuit is discontinuous, again due to the frame-type folder using one, so that the compression area of coil is increased by 16%, improves the anti-short circuit capability of coil.
Description
Technical field
The utility model is related to electrical equipment technical field, especially a kind of loaded capacity-regulated transformer.
Background technology
Currently, China's rural power grids electricity consumption has the characteristics of seasonal strong, electricity consumption is concentrated, rural electricity consumption is concentrated mainly on summer, autumn
Two seasons, mainly electrified irrigation, agricultural production electricity consumption, agricultural byproducts processing etc., the 80% of Urban Annual Electrical Power Consumption amount is accounted about, remaining season master
If electric consumption on lighting.It is concentrated season in busy farming season electricity consumption, transformer overload operation phenomenon is serious, and it is excessively negative even to occur 200% sometimes
Carrying row phenomenon;And on the other hand in electricity consumption dull season, load factor is less than 30% again, the phenomenon that " low load with strong power " occurs.Separately
Outside, loaded capacity-regulated transformer in the market, used iron core is laminated core, and the major defect of laminated core:It is deposited in magnetic circuit
In the air-gap that many seams are formed, the magnetic resistance of magnetic circuit is increased, to increase no-load loss and no-load current;Part
The direction of local magnetic circuit and the high magnetic conduction direction of silicon strip are inconsistent;Defective tightness between piece and piece reduces lamination coefficient, adds
Big noise;Three-phase magnetic circuit is uneven, leads to the three-phase current unbalance of power transformer.
Utility model content
The utility model is intended to solve above-mentioned technical problem in the related technology at least to a certain extent.For this purpose, this reality
It is loaded capacity-regulated with a kind of material saving reasonable for structure, safe and reliable, energy saving of novel proposition, three-phase equilibrium, the three dimensional wound core of low noise
Transformer.
Technical solution adopted by the utility model to solve its technical problems is:
A kind of three dimensional wound core loaded capacity-regulated transformer, including the babinet of transformer and coil, iron core in babinet, institute
Coil winding is stated on the iron core, the coil is connect with tap switch to adjust transformer gear in the case that not powering off;
The iron core uses stereo-triangular wound core structure, i.e., is put together by three identical single frames, including three stems, described
Stem three-dimensional arrangement in equilateral triangle, three stem lengths of magnetic path are completely the same, and the coil includes high-tension coil and low pressure
Coil, the height, crimping circle are wound on the iron core, and the coil is fixedly clamped by the folder of integral type in the iron
Around the heart.
As an improvement of the above technical solution, the single frame is continuously wound successively by several material strips, the material
It is completely the same that close and magnetic conduction direction and the magnetic circuit direction of iron core are wound between band.
As a further improvement of the above technical scheme, the single frame includes two cylinders of left and right, and the single frame is transversal
Face is formed close to semicircle, the stem by the cylinder split of two single frames, and the stem cross section is in close to the polygon of full circle
Shape.
Further, insulating board, support are equipped between the iron core and low-voltage coil, between low-voltage coil and high-tension coil
Item while high and low pressure coil interlayer are equipped with longitudinal oil duct.
Further, the folder includes center bolt, triangle pressing plate, and the center bolt is arranged in the iron core
Heart position, the both ends that the triangle pressing plate is connected to center bolt are used for coil pressing, ensure that coil has enough axial pressures
Clamp force.
Preferably, the folder includes upper and lower folder, stretching screw, and the upper and lower folder is triangle frame posture knot
Structure is separately positioned on the upper and lower end of coil, and core insulation is provided between the coil and upper and lower folder, and the stretching screw will
Upper clamping piece, iron core and lower clamping piece are fixed as an entirety.
The utility model has the beneficial effects that:The utility model due to use stereo-triangular wound core structure, material strip it
Between wind the close and described material strip magnetic conduction direction and iron core magnetic circuit direction it is completely the same, when work, is with small vibration, solves folded
The noise that iron core is sent out because magnetic circuit is discontinuous.Again due to the frame-type folder using one, the compression area of coil is made to increase
16%, improve the anti-short circuit capability of coil.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the utility model mounting structure schematic diagram;
Specific implementation mode
Referring to Fig.1, a kind of three dimensional wound core loaded capacity-regulated transformer of the utility model, including the babinet of transformer and
Coil, iron core 1 in babinet, on the iron core 1, the coil is connect with tap switch not power off the coil winding
In the case of adjust transformer gear;It is characterized in that:The iron core 1 uses stereo-triangular wound core structure, i.e., by three phases
Same single frame is put together, including three stems, the stem three-dimensional arrangement in equilateral triangle, and three stem lengths of magnetic path are complete
It is complete consistent and most short, it is ensured that three phase supply balances, and magnetic resistance is made to greatly reduce, and exciting current, no-load loss significantly reduce.It is described
Coil includes high-tension coil 3 and low-voltage coil 2, and the high and low pressure coil 3,2 is wound on the iron core 1, and the coil passes through
The folder of integral type is fixedly clamped around iron core 1, so that the compression area of coil is increased by 16%, improves the resistance to shorting energy of coil
Power.The single frame is continuously wound successively by several material strips, and close and magnetic conduction direction and iron are wound between the material strip
The magnetic circuit direction of the heart 1 is completely the same, and when work is with small vibration, solves the noise that laminated core is sent out because magnetic circuit is discontinuous.
In addition, the single frame includes two cylinders of left and right, the single frame cross section is close to semicircle, and the stem is by two
The cylinder split of a single frame is formed, and the stem cross section is in the quasi- polygon close to full circle.
Further, be equipped between the iron core 1 and low-voltage coil, between low-voltage coil and high-tension coil insulating board,
Stay while high and low pressure coil interlayer are equipped with longitudinal oil duct, keep transformer heat dissipation effect more preferable.
Further, the folder includes center bolt, triangle pressing plate 8, and the center bolt is arranged in the iron core 1
Center, the both ends that the triangle pressing plate 8 is connected to center bolt are used for coil pressing, ensure that coil has enough axial directions
Pressing force;The folder includes upper and lower folder 6,7, and stretching screw, the upper and lower folder 6,7 is triangle frame posture structure,
It is separately positioned on the upper and lower end of coil, core insulation 4, the stretching screw are provided between the coil and upper and lower folder 6,7
Upper clamping piece 6, iron core 1 and lower clamping piece 7 are fixed as an entirety.
The above concrete structure and dimension data are illustrated to the preferred embodiment of the utility model, but this reality
It is not limited to the embodiment with novel creation, those skilled in the art are in the premise without prejudice to the spirit of the present invention
Various equivalent variations or replacement can be also made down, these equivalent deformations or replacement are all contained in the application claim and are limited
In fixed range.
Claims (6)
1. a kind of three dimensional wound core loaded capacity-regulated transformer, including the babinet of transformer and coil, iron core in babinet, described
On the iron core, the coil is connect with tap switch to adjust transformer gear in the case that not powering off coil winding;Its
It is characterized in that:The iron core uses stereo-triangular wound core structure, i.e., is put together by three identical single frames, including three
Stem, the stem three-dimensional arrangement in equilateral triangle, three stem lengths of magnetic path are completely the same, and the coil includes high-voltage line
Circle and low-voltage coil, the height, crimping circle are wound on the iron core, and the coil is fixedly clamped by the folder of integral type
Around the iron core.
2. a kind of three dimensional wound core loaded capacity-regulated transformer according to claim 1, it is characterised in that:The single frame be by
Several material strips are continuously wound successively, and it is complete that close and magnetic conduction direction and the magnetic circuit direction of iron core are wound between the material strip
Unanimously.
3. a kind of three dimensional wound core loaded capacity-regulated transformer according to claim 1, it is characterised in that:The single frame includes
Two cylinders of left and right, close to semicircle, the stem is formed by the cylinder split of two single frames, described for the single frame cross section
Stem cross section is close to full circle.
4. a kind of three dimensional wound core loaded capacity-regulated transformer according to claim 1, it is characterised in that:The iron core with it is low
It is equipped with that insulating board, stay, high and low pressure coil interlayer is equipped with simultaneously between crimping circle, between low-voltage coil and high-tension coil
Longitudinal oil duct.
5. a kind of three dimensional wound core loaded capacity-regulated transformer according to claim 1, it is characterised in that:The folder includes
Center bolt, triangle pressing plate, the center bolt are arranged in the center of the iron core, and the triangle pressing plate is connected to
The both ends of center bolt ensure that coil has enough axial pressing forces for clamping coil.
6. a kind of three dimensional wound core loaded capacity-regulated transformer according to claim 1, it is characterised in that:The folder includes
Upper and lower folder, stretching screw, the upper and lower folder are triangle frame posture structure, are separately positioned on the upper and lower end of coil, institute
It states and is provided with core insulation between coil and upper and lower folder, upper clamping piece, iron core and lower clamping piece are fixed as one by the stretching screw
It is whole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721365621.5U CN207651311U (en) | 2017-10-20 | 2017-10-20 | A kind of three dimensional wound core loaded capacity-regulated transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721365621.5U CN207651311U (en) | 2017-10-20 | 2017-10-20 | A kind of three dimensional wound core loaded capacity-regulated transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207651311U true CN207651311U (en) | 2018-07-24 |
Family
ID=62883862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721365621.5U Active CN207651311U (en) | 2017-10-20 | 2017-10-20 | A kind of three dimensional wound core loaded capacity-regulated transformer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207651311U (en) |
-
2017
- 2017-10-20 CN CN201721365621.5U patent/CN207651311U/en active Active
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