CN105390256A - Leakage transformer - Google Patents
Leakage transformer Download PDFInfo
- Publication number
- CN105390256A CN105390256A CN201510744377.2A CN201510744377A CN105390256A CN 105390256 A CN105390256 A CN 105390256A CN 201510744377 A CN201510744377 A CN 201510744377A CN 105390256 A CN105390256 A CN 105390256A
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- iron core
- clamping piece
- leakage transformer
- upper clamping
- air gap
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- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a leakage transformer. The leakage transformer comprises a housing, wherein a main iron core is arranged in the housing; a coil is arranged on the main iron core; the housing comprises an upper clamping piece, a lower clamping piece and a side clamping piece for connecting the upper clamping piece with the lower clamping piece; fastening rods are arranged between the upper clamping piece and the lower clamping piece; heat dissipation groove holes are formed in the upper clamping piece; and the fastening rods are arranged on the lower sides of the heat dissipation groove holes. According to the leakage transformer, the heat dissipation effect of the coil is improved through the heat dissipation groove holes in the upper clamping piece; the fastening rods are arranged below the inwards recessed heat dissipation groove holes, so that the occupied space on two sides is reduced; the upper clamping piece and the lower clamping piece are connected through the side clamping piece, so that the stability is improved; and therefore, the leakage transformer is simple and reasonable in overall structure and convenient to assemble.
Description
Technical field
The present invention relates to a kind of leakage transformer.
Background technology
Leakage transformer belongs to the category of leakage field boosting dry-type transformer, sharply changes and requires progressively to tend towards stability in the electronic equipment of state, as the equipment such as fluorescent lamp power supply, ion pump power for load; It is comparatively large that this class load shows as impedance when starting working, and needs higher transient voltage; And when steady operation, load impedance is less, need load current be limited in permissible value, can normally work; Existing leakage transformer ubiquity unreasonable structure, causes taking up space comparatively large, the problems such as radiating effect is poor.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the invention is: propose a kind of space and account for smaller, the leakage transformer of perfect heat-dissipating.
Technical solution of the present invention is achieved in that a kind of leakage transformer, comprises shell, is provided with main iron core in shell, and main iron core is provided with coil; Described shell comprises the side folder of upper clamping piece, lower clamping piece and connection upper clamping piece and lower clamping piece; Be provided with hanging rod between described upper clamping piece and lower clamping piece, upper clamping piece be provided with heat radiation notch, hanging rod is arranged on the downside of heat radiation notch.
Preferably, described main iron core comprises three stem stems, three stem stems is respectively arranged with 3 coils, and heat radiation notch is positioned at the top of the intersection of every two adjacent coils, and arranges in the front and back bilateral symmetry of upper clamping piece.
Preferably, described coil comprises exterior loop and interior loop, is provided with iron core mating groove in the middle part of interior loop, is provided with cross-over block and secondary iron core between interior loop and exterior loop, and the contact in exterior loop and interior loop is all arranged on the same side.
Preferably, described secondary iron core comprises end iron core and middle iron core, and end iron core is separately positioned on upper and lower two ends, and multiple middle iron core is arranged between two end iron cores, be provided with air gap between iron core in the middle of every two, between end iron core and close middle iron core, be also provided with air gap; The both sides, front and back of described secondary iron core are provided with thin stainless steel arm-tie, and the arranged outside of thin stainless steel arm-tie has insulation board.
Preferably, the air gap between described end iron core and middle iron core is less than the air gap between middle iron core.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Leakage transformer of the present invention, the radiating effect of coil is improved by the heat radiation notch on upper clamping piece, and the below of the heat radiation notch of hanging rod income indent, reduce the space that both sides take, upper clamping piece is connected by side folder with lower clamping piece, improve stability, overall structure is simple, reasonable, and is convenient to assembling.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the front view of a kind of leakage transformer of the present invention;
Accompanying drawing 2 is the vertical view of a kind of leakage transformer of the present invention;
Accompanying drawing 3 is the schematic diagram of the coil of a kind of leakage transformer of the present invention;
Accompanying drawing 4 is the front view of the secondary iron core of a kind of leakage transformer of the present invention;
Accompanying drawing 5 is the left view of the secondary iron core of a kind of leakage transformer of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
As shown in accompanying drawing 1-2, a kind of leakage transformer of the present invention, comprises shell, is provided with main iron core 1 in shell, and main iron core 1 comprises three stem stems, three stem stems is respectively arranged with 3 coils 2; Described shell comprises upper clamping piece 11, lower clamping piece 12 and is connected the side folder 13 of upper clamping piece 11 and lower clamping piece 12; Described upper clamping piece 11 is provided with 4 heat radiation 15,4, notches heat radiation notches 15 to arrange in the front and back bilateral symmetry of upper clamping piece 11, heat radiation notch 15 is arranged on the top of the intersection of corresponding two adjacent coils 2; The downside that 4 hanging rods, 14,4 hanging rods 14 are separately positioned on corresponding heat radiation notch 15 is provided with between described upper clamping piece 11 and lower clamping piece 12.
As shown in Figure 3, described coil 2 comprises exterior loop 21 and interior loop 22, be provided with iron core mating groove in the middle part of interior loop 22, be provided with cross-over block 23 and secondary iron core 3 between interior loop 22 and exterior loop 21, interior loop 22 is equipped with casting glue groove with the two ends up and down of exterior loop 21; Contact in described exterior loop 21 and interior loop 22 is all arranged on the same side, is convenient to trace arrangements, reduces line holding space.
As illustrated in figures 4-5, described secondary iron core 3 comprises iron core 32 in the middle of 2 end iron cores 31 and 19,2 end iron cores 31 are separately positioned on upper and lower two ends, in the middle of 19, iron core 32 is sequentially arranged between two end iron cores 31, air gap 33 is provided with between iron core 32 in the middle of every two, also be provided with air gap 33 between end iron core 31 and close middle iron core 32, the air gap 33 between end iron core 31 and middle iron core 32 is less than the air gap 33 between middle iron core 32; The both sides, front and back of described secondary iron core 3 are provided with thin stainless steel arm-tie 34, and the arranged outside of thin stainless steel arm-tie 34 has the insulation board 35 of FR4 specification.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a leakage transformer, comprises shell, is provided with main iron core (1) in shell, main iron core (1) is provided with coil (2); It is characterized in that: described shell comprises upper clamping piece (11), lower clamping piece (12) and is connected the side folder (13) of upper clamping piece (11) and lower clamping piece (12); Be provided with hanging rod (14) between described upper clamping piece (11) and lower clamping piece (12), upper clamping piece (11) be provided with heat radiation notch (15), hanging rod (14) is arranged on the downside of heat radiation notch (15).
2. leakage transformer according to claim 1, it is characterized in that: described main iron core (1) comprises three stem stems, three stem stems are respectively arranged with 3 coils (2), heat radiation notch (15) is positioned at the top of the intersection of every two adjacent coils (2), and arranges in the front and back bilateral symmetry of upper clamping piece (11).
3. leakage transformer according to claim 1, it is characterized in that: described coil (2) comprises exterior loop (21) and interior loop (22), interior loop (22) middle part is provided with iron core mating groove, be provided with cross-over block (23) and secondary iron core (3) between interior loop (22) and exterior loop (21), the contact in exterior loop (21) and interior loop (22) is all arranged on the same side.
4. leakage transformer according to claim 3, it is characterized in that: described secondary iron core (3) comprises end iron core (31) and middle iron core (32), end iron core (31) is separately positioned on upper and lower two ends, multiple middle iron core (32) is arranged between two end iron cores (31), be provided with air gap (33) between iron core (32) in the middle of every two, between end iron core (31) and close middle iron core (32), be also provided with air gap (33); The both sides, front and back of described secondary iron core (3) are provided with thin stainless steel arm-tie (34), and the arranged outside of thin stainless steel arm-tie (34) has insulation board (35).
5. leakage transformer according to claim 4, is characterized in that: the air gap (33) between described end iron core (31) and middle iron core (32) is less than the air gap (33) between middle iron core (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744377.2A CN105390256B (en) | 2015-11-05 | 2015-11-05 | A kind of leakage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744377.2A CN105390256B (en) | 2015-11-05 | 2015-11-05 | A kind of leakage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105390256A true CN105390256A (en) | 2016-03-09 |
| CN105390256B CN105390256B (en) | 2017-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510744377.2A Active CN105390256B (en) | 2015-11-05 | 2015-11-05 | A kind of leakage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105390256B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109811A (en) * | 2018-01-09 | 2018-06-01 | 衢州丰帆科技有限公司 | A kind of low-loss dry-type transformer |
| CN108109812A (en) * | 2018-01-09 | 2018-06-01 | 衢州丰帆科技有限公司 | A kind of low-loss dry-type transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03292707A (en) * | 1990-04-11 | 1991-12-24 | Tokyo Electric Co Ltd | Electromagnetic equipment |
| CN202134359U (en) * | 2011-06-17 | 2012-02-01 | 上海工业变压器有限公司 | Novel amorphous alloy distribution transformer |
| CN104157431A (en) * | 2014-08-29 | 2014-11-19 | 东莞市大忠电子有限公司 | Three-phase transformer with built-in high-frequency inductor |
| CN104715906A (en) * | 2015-02-12 | 2015-06-17 | 明珠电气有限公司 | Dry-type transformer for photovoltaic power generation and photovoltaic inversion system |
| CN204558190U (en) * | 2015-04-07 | 2015-08-12 | 海鸿电气有限公司 | A kind of clamping device improving three-dimensional wound core dry type transformer compact conformation degree |
| CN205159070U (en) * | 2015-11-05 | 2016-04-13 | 苏州腾冉电气设备股份有限公司 | Magnetic leakage transformer |
-
2015
- 2015-11-05 CN CN201510744377.2A patent/CN105390256B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03292707A (en) * | 1990-04-11 | 1991-12-24 | Tokyo Electric Co Ltd | Electromagnetic equipment |
| CN202134359U (en) * | 2011-06-17 | 2012-02-01 | 上海工业变压器有限公司 | Novel amorphous alloy distribution transformer |
| CN104157431A (en) * | 2014-08-29 | 2014-11-19 | 东莞市大忠电子有限公司 | Three-phase transformer with built-in high-frequency inductor |
| CN104715906A (en) * | 2015-02-12 | 2015-06-17 | 明珠电气有限公司 | Dry-type transformer for photovoltaic power generation and photovoltaic inversion system |
| CN204558190U (en) * | 2015-04-07 | 2015-08-12 | 海鸿电气有限公司 | A kind of clamping device improving three-dimensional wound core dry type transformer compact conformation degree |
| CN205159070U (en) * | 2015-11-05 | 2016-04-13 | 苏州腾冉电气设备股份有限公司 | Magnetic leakage transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109811A (en) * | 2018-01-09 | 2018-06-01 | 衢州丰帆科技有限公司 | A kind of low-loss dry-type transformer |
| CN108109812A (en) * | 2018-01-09 | 2018-06-01 | 衢州丰帆科技有限公司 | A kind of low-loss dry-type transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105390256B (en) | 2017-12-22 |
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