CN105513756A - Foldable three-dimensional double-opening iron core oil-immersed transformer - Google Patents
Foldable three-dimensional double-opening iron core oil-immersed transformer Download PDFInfo
- Publication number
- CN105513756A CN105513756A CN201610062748.3A CN201610062748A CN105513756A CN 105513756 A CN105513756 A CN 105513756A CN 201610062748 A CN201610062748 A CN 201610062748A CN 105513756 A CN105513756 A CN 105513756A
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- Prior art keywords
- iron core
- open
- core
- oil
- material strip
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/25—Magnetic cores made from strips or ribbons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention discloses a foldable three-dimensional double-opening iron core oil-immersed transformer. The foldable three-dimensional double-opening iron core oil-immersed transformer comprises a double-opening transformer iron core having an L-shaped interlock structure, wherein the iron core is formed by splicing three single-frame double-opening iron cores at an center angle of 120 degrees, and the cross section of the spliced iron core is in an inscribed polygonal shape of a circle, an circular shape (R type) and a regular hexagonal shape; the iron core is arranged in an oil tank, three side surfaces of the oil tank are each provided with a heat radiation device, and the outer side of a core column is sequentially sleeved by a low-voltage coil and a high-voltage coil from inside to outside. The iron core of the foldable three-dimensional double-opening iron core oil-immersed transformer adopts a ferrite yoke and core column interlock structure, so that the foldable three-dimensional double-opening iron core oil-immersed transformer has the characteristics of low loss, small noise, high sudden short circuit resistance, high iron core mechanical strength and high production efficiency.
Description
Technical field
The present invention relates to the construction applications of power transmission and transforming equipment, specifically provide the two open core oil-filled transformer of a kind of folding stereo.
Background technology
Transformer, in power transmission and transformation system, has very consequence.In recent years, continue to increase along with China distribution network construction drops into, country promotes on a large scale to high-efficiency and energy-saving type transformer, and remain silent " stereoscopic triangular coiled-core transformer " is because of its iron core three-phase magnetic circuit full symmetric, and good energy-conserving effect and being widely used.But due to triangular form appendiron core transformer suit coil complex process in the fabrication process of remaining silent, production efficiency is low, product repairing difficulty etc., make its Arrested Development.At present, a kind of appearance of removable folding stereo open-delta oil-filled transformer, solve the problems referred to above, but still the technical limitations be subject to a certain extent, as: open seam position can only concentrated setting in the upper end of iron core stem stem, very easily cause loosening, displacement, distortion, the seam be buried in end winding brings very large inconvenience to back dowel core, not only have impact on iron core performance, also reduce the quality of transformer
Therefore, how existing transformer is carried out to the improvement in manufacturing process, improve mechanical strength, improving energy efficiency, becomes people's problem demanding prompt solution.
Summary of the invention
Given this, in order to solve the problem, overcome deficiency and the defect of prior art existence.The invention provides the two open core oil-filled transformer of a kind of folding stereo.
To achieve these goals, technical scheme provided by the invention is: the two open core oil-filled transformer of folding stereo, the cross section comprising transformer core and the described iron core of cooperation placement with L-type interlocking structure is leg-of-mutton fuel tank, the inside of fuel tank is provided with transformer oil, the top of fuel tank is provided with the case lid of key screw dress, the bottom of fuel tank is fixedly connected with channel-section steel leg, three sides of fuel tank are respectively arranged with heat abstractor, case lid top is provided with bushing, low-tension bushing, shunting switch, oil level indicator, upper cover hoisting ring, folding stereo open-delta iron core, comprise three single frame shapes identical and there is the open core of L-type interlocking structure anyhow between iron yoke and stem stem, iron core is put together with the angle of central angle 120o, each single frame iron core is provided with the two opening material strip group of many groups, the material strip open butt joint position of two opening material strip group is separately positioned on the upper yoke two ends of corner regions and the upper end of two inclined-planes, bending angle and two stem stems.Its cross section of iron core stem stem after split can be inpolygon, rounded (R type), in regular hexagon.The outside of stem stem is set with low-voltage coil, low-voltage coil arranged outside has wooden stay, high-tension coil is set with outside wooden stay, the upper yoke of three two open cores of single frame is fixed by upper clamping piece, the lower yoke of three two open cores of single frame is fixed by lower clamping piece, upper clamping piece and lower clamping piece are fixed by drawing screw rod, and upper clamping piece is connected with case lid by drawing screw rod, and the bottom of lower clamping piece is provided with wooden filler strip.
Beneficial effect, 1, because this transformer core have employed L-type interlocking structure, iron core mechanical strength is had very large height, solve that dismountable transformer core easily loosens, displacement, distortion problem.
2, position is obviously visible, facilitates plug-in mounting, and production efficiency is high.Automated production degree is high.
3, silicon steel material strip adopts mechanical automation to produce, and precision is high, production efficiency is high, reduces recruitment cost.
To sum up, the two open core oil-filled transformer of this folding stereo has the advantages that loss is low, noise is low, anti-sudden short circuit ability is strong, production cost is low.
Preferably, the aperture position that described composition has an opening material strip group of interlocking structure rectangle single frame iron core is separately positioned on to be had in 8 135 degree or 12 150 degree of corner regions.
Further preferably, described each rectangular aperture material strip group with interlocking structure is separately positioned on the both ends of iron yoke, two inclined-planes, bending angle by each open butt joint position, the material strip of two stem stem upper end positions forms, each material strip is to there being two openings, and the material strip opening part of adjacent layer is by step Heterogeneous Permutation.
Further preferably, the two open core of single frame of the wide moulding mixture band of described employing and fold-line-shaped material strip is with the angle split of central angle 120o, and after split, stem stem cross section is inpolygon.
Further preferably, the two open core of single frame of described employing curve silicon steel material strip with the angle split of central angle 120o, after split stem stem cross section rounded (R type).
Further preferably, the two open core of single frame of the wide moulding mixture band of described employing is with the angle split of central angle 120o, and after split, stem stem cross section is regular hexagon.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is profile view of the present invention.
Fig. 2 is three-dimensional view of the present invention.
Fig. 3 is the cross sectional view of iron core one embodiment used in the present invention.
Fig. 4 is the cross sectional view of iron core one embodiment used in the present invention.
Fig. 5 is the cross sectional view of iron core one embodiment used in the present invention.
Fig. 6 is electrical steel material strip open butt joint position distribution one embodiment view used in the present invention.
Fig. 7 is electrical steel material strip open butt joint position distribution one embodiment view used in the present invention.
Fig. 8 is electrical steel material strip open butt joint position distribution one embodiment view used in the present invention.
Fig. 9 is electrical steel material strip open butt joint position distribution one embodiment view used in the present invention.
Figure 10 is the assembled view of silicon steel material strip opening material strip group one embodiment used in the present invention.
Figure 11 is the assembled view of silicon steel material strip one embodiment used in the present invention.
Figure 12 is that iron core bending angle used in the present invention distributes an embodiment view.
Figure 13 is that iron core bending angle used in the present invention distributes an embodiment view.
Embodiment
In order to make summary of the invention easily be understood, below in conjunction with drawings and Examples, the present invention is conducted further description, but be not construed as limiting the invention.
As (Fig. 1), (Fig. 2) shown in, the invention provides the two open core oil-filled transformer of a kind of folding stereo, comprise transformer core (1) and coordinate the cross section of placing described transformer core (1) to be leg-of-mutton fuel tank (2), the top of fuel tank (2) is provided with the case lid (7) of key screw dress, the bottom of fuel tank (2) is fixedly connected with channel-section steel leg (3), three sides of fuel tank (2) are respectively arranged with heat abstractor (4), described heat abstractor (4) is preferably three pack formula heat abstractors, case lid (7) top is provided with bushing, low-tension bushing, transformer core (1) comprises the two open core (11) of three single frames, the two open core (11) of the three kinds of single frames adopting (Figure 10) material strip to produce, be inpolygon (111) with the stem stem cross section after the angle split of central angle 120o, rounded (R type) (112), in regular hexagon (113).The outside of stem stem (111) is set with low-voltage coil (14), low-voltage coil (14) arranged outside has wooden stay (13), wooden stay (13) outside is set with high-tension coil (12), by returning the two open core (11) of three single frames forming of opening material strip group after inserting, there is yoke, post interlocking structure, upper yoke is fixed by upper clamping piece (15), the lower yoke of iron core (11) is fixed by lower clamping piece (16), upper clamping piece (15) and lower clamping piece (16) are fixed by drawing screw rod (17), upper clamping piece (15) is connected with case lid (7) by hanging spiral shell plate stem (18), low-voltage coil upper end connects line bank (19), cross-over block (20) is lined with between coil and folder.
As the improvement of technical scheme, adopt " a kind of multiduty iron core manufacturing equipment " that the letters patent book number No. 3472719 of my application provides, be processed as accurate rectangle silicon steel material strip frame (Fig. 6) can docked as having 8 135o or 12 150o bending angles, open butt joint position is arranged on stem stem upper end 121.Process accurate rectangle silicon steel material strip frame (Fig. 7) can docked as having 8 135o or 12 150o bending angles, open butt joint position to be arranged on inclined-plane, flex area 131.Process accurate rectangle silicon steel material strip frame (Fig. 8) can docked as having 12 150o bending angles, open butt joint position to be arranged on inclined-plane, flex area 141.Process U-shaped and " yi word pattern " silicon steel material strip frame (Fig. 9) of the standard can docked as having eight 135o or 12 150o bending angles, open butt joint position is arranged on iron yoke upper end 151.
As the improvement of technical scheme, described in there is L-type interlocking structure iron core (Fig. 3) cross section be that inpolygon 111, (Fig. 4) rounded (R type) 112, (Fig. 5) are in inscribed regular hexagon 113.Described iron core forms (Figure 10) by organizing opening material strip group more, the open butt joint position of opening material strip group arranges two corner regions 191 had at 8 135 degree (Figure 12) or 12 150 degree (Figure 13), opening material strip group is made up of two and above accurate rectangular aperture material strip, each rectangle material strip is to there being two openings, and open butt joint position is by staged interlayer Heterogeneous Permutation.
The specific embodiment of the present invention carries out writing according to the mode of going forward one by one, and highlight the difference of each embodiment, its similar portion can cross-reference.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that invention solves are further described; be understood that; the foregoing is only the specific embodiment of invention; be not limited to invention; within all spirit in invention and principle, any amendment made, equivalent replacement, improvement etc., within the protection range that all should be included in invention.
Claims (10)
1. the two open core oil-filled transformer (Fig. 1) of folding stereo, (Fig. 2), it is characterized in that, comprise the two open core (11) of single frame that three have L-type interlocking structure, the two open core (11) of single frame is with the iron core (1) of central angle 120o angle split and coordinate the fuel tank (2) placing transformer core, the top of fuel tank (2) is provided with the case lid (7) of key screw dress, the bottom of fuel tank (2) is fixedly connected with channel-section steel leg (3), three sides of fuel tank (2) are respectively arranged with the fin (4) of heat abstractor, fuel tank cap (7) top is provided with bushing (8), low-tension bushing (10), shunting switch (6) and oil level indicator (9), hole for hoist (5), transformer core (1) be produced by (Figure 11) material strip there is the two open core (11) of interlocking structure single frame, the two open core (11) of single frame is to form after the angle split of central angle 120o, stem stem cross section (111) is in inpolygon, rounded (R type), in regular hexagon,
The outside of stem stem is set with low-voltage coil (14), low-voltage coil (14) arranged outside has wooden stay (13), wooden stay (13) outside is set with high-tension coil (12), the upper yoke of three two open cores (11) of single frame is fixed by upper clamping piece (15), the lower yoke of three two open cores (11) of single frame is fixed by lower clamping piece (16), upper clamping piece (15) is connected with lower clamping piece (16) by drawing screw rod (17) and fixes, upper clamping piece (15) is connected with case lid (7) by boatswain chair screw rod (18), low-voltage coil upper end is provided with line bank (19), cross-over block (20) is lined with between coil and folder.
2., according to the two open core oil-filled transformer of folding stereo according to claim 1, it is characterized in that: described stem stem iron core (Fig. 3) cross section is inpolygon (111).
3., according to the two open core oil-filled transformer of folding stereo according to claim 1, it is characterized in that: described iron core (Fig. 4) stem stem cross section is R type (112).
4., according to the two open core oil-filled transformer of folding stereo according to claim 1, it is characterized in that: described iron core (Fig. 5) stem stem cross section is regular hexagon (113).
5. according to the two open core oil-filled transformer of the folding stereo according to any one of Claims 1-4, it is characterized in that: described accurate rectangle silicon steel material strip frame (Fig. 6) of docking as having 8 135o or 12 150o bending angles, open butt joint position is arranged on stem stem upper end 121.
6. according to the two open core oil-filled transformer of the folding stereo according to any one of Claims 1-4, it is characterized in that: described accurate rectangle silicon steel material strip frame (Fig. 7) of docking as having 8 135o or 12 150o bending angles, open butt joint position to be arranged on inclined-plane, flex area 131.
7. according to the two open core oil-filled transformer of the folding stereo according to any one of Claims 1-4, it is characterized in that: described accurate rectangle silicon steel material strip frame (Fig. 8) of docking as having 12 150o bending angles, open butt joint position to be arranged on inclined-plane, flex area 141.
8. according to the two open core oil-filled transformer of the folding stereo according to any one of Claims 1-4, it is characterized in that: describedly dock U-shaped and " yi word pattern " silicon steel material strip frame (Fig. 9) of standard for having eight 135o or 12 150o bending angles, open butt joint position is arranged on iron yoke both ends 151.
9. according to the two open core oil-filled transformer of the folding stereo according to any one of claim 6 to 8, it is characterized in that: the opening material strip group (Figure 10) of described pair of open core, be by two or more be arranged on arbitrarily (121), (131) (141) (151) material strip by staged Heterogeneous Permutation.
10., according to the two open core dry-type transformer of folding stereo according to any one of Claims 1-4, it is characterized in that: described in there is the rectangle frame (Figure 12) at eight 135o bending angles, there is the rectangle frame (Figure 13) at 12 150o bending angles.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062748.3A CN105513756A (en) | 2016-01-29 | 2016-01-29 | Foldable three-dimensional double-opening iron core oil-immersed transformer |
| CN201710013179.8A CN107045924A (en) | 2016-01-29 | 2017-01-09 | Folding stereo dual openings iron core oil-immersed type transformer |
| PCT/CN2017/072074 WO2017129074A1 (en) | 2016-01-29 | 2017-01-22 | Oil-immersed transformer having foldable three-dimensional double-opening iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062748.3A CN105513756A (en) | 2016-01-29 | 2016-01-29 | Foldable three-dimensional double-opening iron core oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105513756A true CN105513756A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062748.3A Pending CN105513756A (en) | 2016-01-29 | 2016-01-29 | Foldable three-dimensional double-opening iron core oil-immersed transformer |
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| Country | Link |
|---|---|
| CN (1) | CN105513756A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025994A (en) * | 2017-06-01 | 2017-08-08 | 班戈设备系统（苏州）有限公司 | A kind of transformer for carrying lightning protection device |
| CN107045924A (en) * | 2016-01-29 | 2017-08-15 | 齐侠 | Folding stereo dual openings iron core oil-immersed type transformer |
| CN107256763A (en) * | 2017-07-04 | 2017-10-17 | 合肥东玖电气有限公司 | A kind of fugitive heat transformer |
| CN107293391A (en) * | 2017-08-10 | 2017-10-24 | 齐会南 | A kind of folding stereo open core oil-filled transformer |
| CN107342153A (en) * | 2016-01-29 | 2017-11-10 | 齐侠 | Folding stereo dual openings iron core dry-type transformer |
| CN111739718A (en) * | 2020-07-31 | 2020-10-02 | 山东恒威电力设备有限公司 | Low-noise amorphous alloy iron core transformer |
-
2016
- 2016-01-29 CN CN201610062748.3A patent/CN105513756A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045924A (en) * | 2016-01-29 | 2017-08-15 | 齐侠 | Folding stereo dual openings iron core oil-immersed type transformer |
| CN107342153A (en) * | 2016-01-29 | 2017-11-10 | 齐侠 | Folding stereo dual openings iron core dry-type transformer |
| CN107025994A (en) * | 2017-06-01 | 2017-08-08 | 班戈设备系统（苏州）有限公司 | A kind of transformer for carrying lightning protection device |
| CN107025994B (en) * | 2017-06-01 | 2018-12-11 | 鲁变电工股份有限公司 | A kind of transformer of included lightning protection device |
| CN107256763A (en) * | 2017-07-04 | 2017-10-17 | 合肥东玖电气有限公司 | A kind of fugitive heat transformer |
| CN107293391A (en) * | 2017-08-10 | 2017-10-24 | 齐会南 | A kind of folding stereo open core oil-filled transformer |
| CN111739718A (en) * | 2020-07-31 | 2020-10-02 | 山东恒威电力设备有限公司 | Low-noise amorphous alloy iron core transformer |
| CN111739718B (en) * | 2020-07-31 | 2022-06-14 | 山东恒威电力设备有限公司 | Low-noise amorphous alloy iron core transformer |
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Application publication date: 20160420 |