CN101261895A - Transformer structure - Google Patents
Transformer structure Download PDFInfo
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- CN101261895A CN101261895A CNA2007100797396A CN200710079739A CN101261895A CN 101261895 A CN101261895 A CN 101261895A CN A2007100797396 A CNA2007100797396 A CN A2007100797396A CN 200710079739 A CN200710079739 A CN 200710079739A CN 101261895 A CN101261895 A CN 101261895A
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- support body
- coiling support
- winding region
- device structure
- transformer device
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Abstract
The invention discloses a transformer structure which contains: a reel body, a magnetic core group and an insulating cover body; the reel body is internally provided with a hollow passage and contains a middle winding zone and two side winding zones, at least one partition board is arranged between the middle winding zone and the side winding zones, each side winding zone contains a plurality of convex ribs which are arranged at intervals and provided with notches; at least one extension board is arranged respectively at the two sides of the reel body, at least one conductive terminal is arranged at the side of each partition board and each extension board, and a plurality of wire grooves are arranged at the bottom of each partition board and each extension board for guiding coils. The magnetic core group has an E-shaped magnetic core, the central level of which is utilized to be inserted with the reel body. The transformer structure has the advantages of small volume, high insulativity, high safety and good impedance balance, and reducing the leakage conductance and simplifying the technology and so on.
Description
Technical field
The present invention relates to a kind of transformer device structure, relate in particular to the improved transformer structure of a kind of flattening and reinforcement High-Voltage Insulation and thermal diffusivity.
Background technology
Press, transformer is one of important electron assembly in the electronic product, the main effect of transformer is the driving voltage in the conversion electron circuit, its kind can be: the high-tension transformer of the operating voltage of boosting of power transformer, tradition or the LCD that voltage is reduced ... or the like, electronics manufacturer selecting corresponding transformer specification or kind, and makes voltage transitions process stabilization and operating efficiency good according to demand.
Early stage transformer mainly comprises primary winding and the secondary coil that drum stand and overlapping are wound in drum stand, establish a plurality of pins on the drum stand respectively for connecting primary winding and a plurality of secondary pin, then again by this drum stand that is combined in unshakable in one's determination for connecting secondary coil.Isolate because primary winding and secondary coil overlap to be provided with and only to be coated by insulating tape, easy quality or assembly failure because of insulating tape causes leakage inductance height and High-Voltage Insulation poor, and radiating effect is bad.
The someone proposes primary winding and secondary coil separately are wound in the transformer device structure of drum stand both sides afterwards, solved the subproblem of said structure, yet, the electronic product that is widely used in wanting the cube miniaturization for transformer gradually, for example on the backlight liquid crystal display module drive circuit, therefore, transformer not only requires the voltage transitions quality to get well, and the palpus volume-diminished keeps great heat radiation effect.
In addition, please refer to shown in Figure 7, it separates primary winding P (Primary) and secondary coil S (Secondary) in the schematic diagram of the habitual transformer 8 that twines, this kind transformer 8 need not use shell (not shown) to cover, and organize as iron core with the nickel Zinc material, advantage is the insulation impedance height, wherein, label 81 is represented the primary winding winding position, on behalf of secondary coil, label 82 be wound in the position of primary winding both sides, yet because of primary winding is connected with the metal pin 83 of being located at secondary coil winding position 82 outsides, the low-pressure end of secondary coil is connected with the metal pin 84 of being located at 81 outsides, primary winding position, and then cause primary winding cabling and secondary coil cabling cross-cutting issue, may cause the not enough generation of insulation impedance discharge problem, and its whole manufacturing cost be high too because of too near because of cabling again with coil distance.Wherein, S (H) is a secondary side high pressure pin in the accompanying drawing; S (L) is a secondary side low pressure pin.
In addition, please refer to shown in Figure 8, the schematic diagram of its another kind of habitual transformer 9 structures, it uses more cheap MnZn material as the iron core group and adopt shell mechanism to improve fail safe, label 91 is represented primary winding P (Primary) winding position, on behalf of secondary coil S (Secondary), label 92 be wound in the position of primary winding both sides, yet, the two metal pins 94 that the two metal pins 93 that connect because of primary winding are connected with the secondary coil high-pressure side can produce the problem of electric safety deficiency with the side of being located at primary winding position 91 in the circuit arrangement design.Wherein, S (H) is a secondary side high pressure pin in the accompanying drawing; S (L) is a secondary side low pressure pin.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of transformer device structure, and it can separately twine for primary winding and secondary coil, has the advantage that volume is little, stability is high.
Another object of the present invention provides a kind of transformer device structure, and its manufacturing cost is lower, safe and impedance balance is good.
In order to achieve the above object, transformer device structure of the present invention comprises: a coiling support body, it comprises the side winding region that a middle winding region and two that is positioned at central authorities is located at middle winding region both sides respectively, twine for coil, be provided with at least one demarcation strip between this centre winding region and the side winding region, each side winding region comprises a plurality of spaced fins, each fin is respectively equipped with a breach, these coiling support body both sides are respectively equipped with at least one extension board, each demarcation strip and each extension board side are respectively equipped with at least one conducting terminal, and its bottom is respectively equipped with at least one trunking for the guiding coil, and coiling support body inside is provided with a hollow channel; And a core sets, it is made by magnetisable material, and the partial volume of this core sets can insert the hollow channel of coiling support body.
The present invention has reduced volume, high-insulativity, safe, plurality of advantages such as impedance balance is good, the sense of reduction leakance, simplification technology.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention;
Fig. 2 is the vertical view of coiling support body of the present invention;
Fig. 3 is the cutaway view of the A-A transversal of second figure;
Fig. 4 is the upward view of coiling support body of the present invention;
Fig. 5 is the end view of coiling support body of the present invention;
Fig. 6 is the schematic diagram of coiling support body simplified structure of the present invention;
Fig. 7 is the schematic diagram of habitual transformer simplified structure;
Fig. 8 is the schematic diagram of another habitual transformer simplified structure.
Wherein, Reference numeral:
1: transformer 2: the coiling support body
21: middle winding region 211: central baffle
22: side winding region 221: fin
222: breach 23: demarcation strip
24: hollow channel 25: extension board
26: conducting terminal 27: trunking
3: core sets 31:E shape magnetic core
311: center rod 312: side lever
4: insulation lid 41: groove
42: open-work 43: side plate
44: space 8: transformer
81: primary winding winding position 82: the secondary coil winding position
83: metal pin 84: the metal pin
9: transformer 91: the primary winding winding position
92: secondary coil winding position 93: the metal pin
94: the metal pin
Embodiment
Reach technology, means and the effect that predetermined purpose is taked in order to make your juror can further understand the present invention, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, go deep into and concrete understanding when getting one thus, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the present invention is limited.
Extremely shown in Figure 5 as Fig. 1, it is an embodiment of transformer device structure of the present invention, this transformer 1 comprises a coiling support body 2, one core sets 3 and an insulation lid 4, wherein this coiling support body 2 comprises a middle winding region 21 and two side winding regions 22 that are positioned at the centre position and twines for coil (not shown), the central authorities of this centre winding region 21 are provided with the central baffle 211 of a ring-type winding, winding region 21 both sides in the middle of this side winding region 22 is located at respectively, coil is wound in behind the two side winding regions 22 respectively as primary winding and secondary coil, be provided with at least one demarcation strip 23 between this centre winding region 21 and the side winding region 22, coiling support body 2 inside are axially arranged with a hollow channel 24 to run through whole coiling support body 2, and the section of this hollow channel 24 is rectangular.
The side winding region 22 of coiling support body 2 comprises that a plurality of ring-types are prominent establishes and spaced fin 221, in present embodiment, each side winding region 22 has six fins 221, each fin 221 is respectively equipped with a breach 222, the position of each breach 222 is interlaced, and these coiling support body 2 both sides are respectively equipped with at least one extension board 25.
Each demarcation strip 23 and each extension board 25 dual-sides are respectively equipped with at least one conducting terminal 26, especially, partial fixing is J font and an end in the conducting terminal 26 of demarcation strip 23 or extension board 25 and buries underground fixingly, and the bottom of demarcation strip 23 and extension board 25 all is provided with at least one trunking 27 and uses for the coil wiring.
This core sets 3 is made by magnetisable material, for example iron, nickel zinc, MnZn or other suitable material, the partial volume of this core sets 3 can insert the hollow channel 24 of coiling support body 2, in present embodiment, this core sets 3 is two E shape magnetic cores 31 with center rod 311 and side lever 312, and the center rod 311 of this E shape magnetic core 31 can be for the hollow channel 24 of aiming at and insert coiling support body 2.
This insulation lid 4 is made by the insulation material, the groove 41 that the centre position of insulation lid 4 has an epirelief, can be for the first half that is covered in coiling support body 2, these groove 41 both sides have respectively one with the corresponding open-work 42 of hollow channel 24 of coiling support body 2, this open-work 42 is also rectangular, the front and back and the both sides of insulation lid 4 are interval with a plurality of side plates 43 respectively, 44 suitable can the exposing for the conducting terminal 26 of coiling support body 2 of space that each side plate is 43.
During assembling, coil will be wound in the middle winding region 21 and the side winding region 22 of coiling support body 2 and suitably be connected in conducting terminal 26, the lid 4 that then will insulate again is covered in the first half of coiling support body 2 and conducting terminal 26 is exposed, at last core sets 3 is aimed at the open-work 41 and the insertion of hollow channel 24 both ends opens of insulation lid 4 respectively and can finish assembling, assembling is simple and quick; Except as the above-mentioned assembling mode, optionally do not use insulation lid 4, also promptly only be assembled in coiling support body 2 by core sets 3, can finish the assembling of transformer 1 structure.
See also shown in Figure 6, the simplified structure schematic diagram of its embodiment of the invention, twine for primary winding P (Primary) central baffle 211 both sides of wherein being somebody's turn to do the middle winding region 21 of coiling support body 2,26 of four conducting terminals of middle winding region 21 both sides supply primary winding to connect usefulness, side winding region 22 twines for secondary coil S (Secondary) to be used, 26 of the conducting terminals of extension board 25 both sides connect for secondary coil, with as low-pressure end and high-pressure side.Wherein, S (H) is a secondary side high pressure pin in the accompanying drawing; S (L) is a secondary side low pressure pin.
Whereby, structure of the present invention can make coil neatly be wound in middle winding region 21 and side winding region 22, and coil is evenly separated by central baffle 211, demarcation strip 23 and fin 221, and whole coiling support body 2 can be by rectangular section design minimizing volume, reduction height, and core sets 3 can be selected the MnZn material to make and reduce manufacturing cost, the installing of insulation lid 4 then can improve safety in utilization, so the present invention has reduced volume, high-insulativity, safe, plurality of advantages such as impedance balance is good, the sense of reduction leakance, simplification technology.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. a transformer device structure is characterized in that, comprises:
One coiling support body, it comprises the side winding region that a middle winding region and two that is positioned at central authorities is located at middle winding region both sides respectively, twine for coil, be provided with at least one demarcation strip between this centre winding region and the side winding region, each side winding region comprises a plurality of spaced fins, each fin is respectively equipped with a breach, these coiling support body both sides are respectively equipped with at least one extension board, each demarcation strip and each extension board side are respectively equipped with at least one conducting terminal, and its bottom is respectively equipped with at least one trunking for the guiding coil, and coiling support body inside is provided with a hollow channel;
The insulation lid that one insulation material is made, the groove that position has an epirelief in the middle of it, for the first half that is covered in the coiling support body, these groove both sides have an open-work respectively, with corresponding with the hollow channel of coiling support body; And
One core sets, it is made by magnetisable material, and the partial volume of this core sets can insert the open-work of insulation lid and the hollow channel of coiling support body.
2. transformer device structure according to claim 1 is characterized in that, this core sets is two to have the E shape magnetic core of center rod and side lever, and the center rod of this E shape magnetic core is for the hollow channel that inserts the coiling support body.
3. transformer device structure according to claim 1 is characterized in that, the partially conductive terminal becomes the J font to be fixed in the coiling support body.
4. transformer device structure according to claim 1 is characterized in that, this core sets is made by nickel zinc material or MnZn material.
5. transformer device structure according to claim 1 is characterized in that the section of this hollow channel is rectangular.
6. transformer device structure according to claim 1 is characterized in that, this centre winding region be provided with one around central baffle use for separating coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100797396A CN101261895A (en) | 2007-03-07 | 2007-03-07 | Transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100797396A CN101261895A (en) | 2007-03-07 | 2007-03-07 | Transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101261895A true CN101261895A (en) | 2008-09-10 |
Family
ID=39962268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100797396A Pending CN101261895A (en) | 2007-03-07 | 2007-03-07 | Transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101261895A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011147105A1 (en) * | 2010-05-26 | 2011-12-01 | 深圳市欣锐特科技有限公司 | Transformer as well as switching power supply and led fluorescent lamp applying same |
| CN101859638B (en) | 2009-04-07 | 2012-12-05 | 台达电子工业股份有限公司 | Transformer structure with leakage inductance |
| CN102956349A (en) * | 2012-11-10 | 2013-03-06 | 无锡东洋电器有限公司 | Double-output LCD (Liquid Crystal Display) backlight lamp framework |
| CN101819865B (en) * | 2009-02-26 | 2013-03-13 | 台达电子工业股份有限公司 | Combined transformer |
| CN102054572B (en) * | 2009-11-05 | 2013-03-20 | 台达电子工业股份有限公司 | Resonance transformer structure |
| US8648686B2 (en) | 2009-11-05 | 2014-02-11 | Delta Electronics, Inc. | Resonant transformer and resonant converter employing same |
| WO2021196681A1 (en) * | 2020-03-30 | 2021-10-07 | 南京安盛电子有限公司 | Multi-winding slot, low-frequency transformer frame |
-
2007
- 2007-03-07 CN CNA2007100797396A patent/CN101261895A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819865B (en) * | 2009-02-26 | 2013-03-13 | 台达电子工业股份有限公司 | Combined transformer |
| CN101859638B (en) | 2009-04-07 | 2012-12-05 | 台达电子工业股份有限公司 | Transformer structure with leakage inductance |
| CN102054572B (en) * | 2009-11-05 | 2013-03-20 | 台达电子工业股份有限公司 | Resonance transformer structure |
| US8648686B2 (en) | 2009-11-05 | 2014-02-11 | Delta Electronics, Inc. | Resonant transformer and resonant converter employing same |
| WO2011147105A1 (en) * | 2010-05-26 | 2011-12-01 | 深圳市欣锐特科技有限公司 | Transformer as well as switching power supply and led fluorescent lamp applying same |
| CN102956349A (en) * | 2012-11-10 | 2013-03-06 | 无锡东洋电器有限公司 | Double-output LCD (Liquid Crystal Display) backlight lamp framework |
| WO2021196681A1 (en) * | 2020-03-30 | 2021-10-07 | 南京安盛电子有限公司 | Multi-winding slot, low-frequency transformer frame |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080910 |