CN201611607U - Transformer structure - Google Patents
Transformer structure Download PDFInfo
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- CN201611607U CN201611607U CN2009202720745U CN200920272074U CN201611607U CN 201611607 U CN201611607 U CN 201611607U CN 2009202720745 U CN2009202720745 U CN 2009202720745U CN 200920272074 U CN200920272074 U CN 200920272074U CN 201611607 U CN201611607 U CN 201611607U
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- accommodation space
- device structure
- drum stand
- transformer device
- sections core
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Abstract
The utility model provides a transformer structure, which belongs to the field of electronic technologies. The transformer structure comprises a winding unit, an iron core taking the shape of two squares vertically overlaid one by one, a low-voltage winding group and a high-voltage winding group, wherein the winding unit comprises a first bobbin bracket, a second bobbin bracket and a third bobbin bracket, low-voltage partition boards are respectively arranged at two end parts of the first bobbin bracket and the second bobbin bracket, and a plurality of high-voltage partition boards are arranged outside the third bobbin bracket; the iron core taking the shape of two squares vertically overlaid one by one is used for forming a magnetic flux path; the low-voltage winding group is arranged between the two low-voltage partition boards and surrounds the first bobbin bracket and the second bobbin bracket to form a primary side; and the high-voltage winding group is arranged among the plurality of high-voltage partition boards and surrounds the third bobbin bracket to form a secondary side. Therefore, the transformer structure can produce a large quantity of leakage inductance on the secondary side for driving other electronic components, and has the advantages of simple structure, low cost and convenient application.
Description
Technical field
The utility model relates to electronic technology field, particularly a kind of transformer device structure.
Background technology
In recent years, traditional cathode-ray tube display (the CRT that promptly is commonly called as (Cathode Ray Tube, cathode ray tube) display) replaced by LCD gradually, main cause is that the amount of radiation that LCD discharges is far smaller than CRT monitor, in addition, LCD is in the existing reduction significantly of this manufacturing cost in several years, and this also is the reason that LCD becomes the TV or the computer screen market mainstream gradually.
In general, LCD comprises backlight module and liquid crystal panel two large divisions, and the major function of backlight module is to provide a backlight, uses for liquid crystal panel.In the product of large scale screen, obtain enough brightness in order to make liquid crystal panel, be main application all generally speaking with " direct type backlight module ".So-called " straight-down negative " promptly under this backlight module, be provided with a plurality of cathode fluorescent tubes (Coldcathode fluorescent lamp, CCFL).Wherein, the drive circuit of cathode fluorescent tube needs second level transformer and resonant circuit to help to drive, but in order to make the briliancy after many cathode fluorescent tubes are lighted comparatively even, every cathode fluorescent tube all needs to be lighted by two different second level transformers and corresponding resonant circuit thereof respectively; Therefore get over for a long time when the cathode fluorescent tube that needs, the second level transformer and the resonant circuit that need be provided with are just many more.The circuit structure of this expression direct type backlight module can't be simplified, and its manufacturing cost, assembling also can't reduce man-hour; Therefore, the inconvenience on existence is used.
The utility model content
The main purpose of the utility model embodiment is to provide a kind of transformer device structure, and be used to drive the cathode fluorescent tube drive circuit of large scale liquid crystal display, simplifying the structure of its drive circuit, and then manufacturing cost and assembling man-hour of reducing direct type backlight module.
In order to achieve the above object, the utility model embodiment provides a kind of transformer device structure, and it includes a coiling unit, sections core, a low pressure coiling group, a high-tension winding group and an over cap on the one.Wherein, this coiling unit includes one first drum stand, one second drum stand and one the 3rd drum stand, include one first accommodation space in this first drum stand, include one second accommodation space in this second drum stand, include one the 3rd accommodation space in the 3rd drum stand, the both ends part of this first drum stand and this second drum stand is respectively arranged with a low voltage partition plate, and the 3rd drum stand arranged outside has a plurality of high pressure dividing plates, and this first accommodation space is connected with the 3rd accommodation space.This day, the sections core was used to form magnetic flux path, and included a center magnetic conductor and two side column magnetic conductors, and this center magnetic conductor wore this first accommodation space and the 3rd accommodation space.This day, a wherein side column magnetic conductor of sections core wore this second accommodation space.This low pressure coiling group is arranged between two low voltage partition plates, and this first drum stand and this second drum stand are surrounded and the formation primary side.This high-tension winding group is arranged between a plurality of high pressure dividing plates, and the 3rd drum stand is surrounded and the formation secondary side.This over cap is used to cover this coiling unit, this low pressure coiling group and this high-tension winding group, with isolated electrical interference.Thus, the transformer device structure of the utility model embodiment can produce a large amount of leakage inductances at secondary side, is used to drive other electronic building bricks.
Further, aforesaid transformer device structure, wherein, this day the sections core by two E sections core be combined intos, and between the center magnetic conductor of two E sections cores a gap is arranged apart.
Further, aforesaid transformer device structure, wherein, this day the sections core form by an E sections core and an I sections core, or form by a C sections core and a T sections core.
Further, aforesaid transformer device structure, wherein, this over cap and this coiling unit in conjunction with the time mutual close-fitting and engaging, or pass through Fastening tenon structure and engage.
Further, aforesaid transformer device structure, wherein, this center magnetic conductor and this first accommodation space or the mutual close-fitting of the 3rd accommodation space.
Further, aforesaid transformer device structure, wherein, this side column magnetic conductor and the mutual close-fitting of this second accommodation space.
Thus, the described transformer device structure of the utility model embodiment can be used for driving the drive circuit of cathode fluorescent tube; And because it is simple in structure, expense is cheap, so can simplify the cathode fluorescent tube circuit structure of large scale liquid crystal display, can reduce the manufacturing cost of direct type backlight module and assemble man-hour convenient the application.
Description of drawings
Figure 1A is the exploded view of the embodiment of a kind of transformer device structure of providing of the utility model;
Figure 1B is the schematic diagram of the embodiment of a kind of day sections core providing of the utility model;
Fig. 1 C is the vertical view of the embodiment of a kind of transformer device structure of providing of the utility model;
Fig. 2 is another embodiment schematic diagram of a kind of day sections core providing of the utility model;
Fig. 3 is the another embodiment schematic diagram of a kind of day sections core providing of the utility model;
Fig. 4 is the application schematic diagram of the embodiment of a kind of transformer device structure of providing of the utility model.
Tr2, Tr21, Tr22: transformer device structure; Ps: primary side; Ss: secondary side;
21: day sections core; 21A:E sections core; 211: the center magnetic conductor; 212: the side column magnetic conductor; 22: coiling unit; 221: the first drum stands; 222: the second drum stands; 223: the three drum stands; 224: the first accommodation spaces; 225: the second accommodation spaces; 226: the three accommodation spaces; 227: low voltage partition plate; 228: the high pressure dividing plate; 23: over cap; 25: low pressure coiling group; 26: the high-tension winding group; 27: the gap;
31,41: day sections core; 31A:E sections core; 31B:I sections core;
41A:C sections core; 41B:T sections core;
11: power panel; 111: bridge rectifier; 112: merit is because of corrector; 113: half-bridge/full-bridge converter; 12: balance plate; 13: backlight; 131～13N:U type cathode fluorescent tube;
Lk1, Lk2: resonant inductor; Cp1, Cp2: resonant capacitor; Cs1: first balanced capacitor; Cs2: second balanced capacitor; V1: the first string alternating current wave is pressed; V2: the second string alternating current wave is pressed.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model execution mode is described in further detail below in conjunction with accompanying drawing.
Simultaneously referring to Figure 1A and Figure 1B, Figure 1A is the exploded view of the embodiment of a kind of transformer device structure of providing of the utility model, and Figure 1B is the schematic diagram of the embodiment of a kind of day sections core providing of the utility model.Shown in Figure 1A, this transformer device structure Tr2 includes sections core 21 on the one of a coiling unit 22, an over cap 23 and two E sections core 21A be combined intos.Wherein, this coiling unit 22 includes one first drum stand 221, one second drum stand 222 and one the 3rd drum stand 223, include one first accommodation space 224 in this first drum stand 221, include in this second drum stand 222 in one second accommodation space, 225, the three drum stands 223 and include one the 3rd accommodation space 226.The arranged outside that the both ends of this first drum stand 221 and this second drum stand 222 are provided with a low voltage partition plate 227, the three drum stands 223 respectively has a plurality of high pressure dividing plates 228, and this first accommodation space 224 is connected with the 3rd accommodation space 226.Day sections core 21 (shown in Figure 1B) of two E sections core 21A be combined intos, its purpose is to form magnetic flux path.Each E sections core 21A has included a center magnetic conductor 211 and two side column magnetic conductors 212; The center magnetic conductor 211 of left side E sections core 21A is corresponding with this first accommodation space 224, and the wherein side column magnetic conductor 212 of left side E sections core 21A is corresponding with this second accommodation space 225.The center magnetic conductor 211 of the right E sections core 21A is corresponding with the 3rd accommodation space 226.The purpose of this over cap 23 is isolated electrical interference, avoids the high pressure of this transformer device structure Tr2 or electromagnetic wave that other electronic building bricks are exerted an adverse impact.
Next, referring to Fig. 1 C, and contrast Figure 1A-Figure 1B simultaneously; Fig. 1 C is the vertical view of the embodiment of a kind of transformer device structure of providing of the utility model; Wherein, in order to highlight the major technique feature of this transformer device structure Tr2, in Fig. 1 C, do not illustrate this over cap 23.Shown in Fig. 1 C, this transformer device structure Tr2 also includes a low pressure coiling group 25 and a high-tension winding group 26.This low pressure coiling group 25 is arranged between two low voltage partition plates 227, and this first drum stand 221 and this second drum stand 222 are surrounded and formation primary side (Ps).This high-tension winding group 26 is arranged between a plurality of high pressure dividing plates 228, and the 3rd drum stand 223 is surrounded and formation secondary side (Ss).Wherein, the purpose of this high pressure dividing plate 228 and this low voltage partition plate 227 is to avoid because the influence of external factor (as the change of air dielectric coefficient, variations of operation height above sea level, air humidity varies etc.), and causes mutual electrification between different pressure reduction and the short arc electric discharge phenomena that form.Also have, between the center magnetic conductor 211 of two E sections core 21A, a gap 27 is arranged apart, two center magnetic conductors 211 are not contacted, so that the transformer device structure Tr2 of the utility model embodiment has bigger leakage inductance effect.
Next, introduce the assemble method of the transformer device structure Tr2 of the utility model embodiment; Simultaneously referring to Figure 1A-1C, when this transformer device structure of assembling Tr2, need on this first drum stand 221, second drum stand 222 and the 3rd drum stand 223, to center on multiturn respectively with lead earlier, to form this low pressure coiling group 25 at primary side (Ps) and to form this high-tension winding group 26 at secondary side (Ss).When lead after finish, this over cap 23 is from top to bottom covered this coiling unit 22, this low pressure coiling group 25 and this high-tension winding group 26, with isolated its electrical interference; Then, again two E sections core 21A are inserted in this coiling unit 22 by the left and right sides respectively, make the center magnetic conductor 211 of left side E sections core 21A wear this first accommodation space 224, and the wherein side column magnetic conductor 212 of left side E sections core 21A wore this second accommodation space 225, and the center magnetic conductor 211 of the right E sections core 21A wore the 3rd accommodation space 226; When two E sections core 21A combine with this coiling unit 22, these two center magnetic conductors 211 can be the state of close-fitting respectively mutually with this first accommodation space 224, the 3rd accommodation space 226, this side column magnetic conductor 212 can be the state of close-fitting with this second accommodation space 225 mutually.So, can finish the assembling of this transformer device structure Tr2.Thus, the transformer device structure Tr2 of the utility model embodiment can produce a large amount of leakage inductances at secondary side (Ss), is used to drive other electronic building bricks.
In other embodiment, as shown in Figure 2, this day the sections core 31 also can form by an E sections core 31A and an I sections core 31B.Perhaps as shown in Figure 3, the sections core 41 also can be made up of a C sections core 41A and a T sections core 41B this day.In addition; when the structure of this over cap 23 of design; can allow this over cap 23 engage with these coiling unit 22 mutual close-fittings; or engage by Fastening tenon structure (not illustrating); then when this over cap 23 interosculates with this coiling unit 22; come off with regard to not sliding, to make things convenient for the assembling of this transformer device structure Tr2 and move because of getting loose.
Next, introduce the transformer device structure of the utility model embodiment, utilize bigger leakage inductance effect to drive the application feature of a cathode fluorescent tube drive circuit.Referring to Fig. 4, Fig. 4 is the application schematic diagram of the embodiment of a kind of transformer device structure of providing of the utility model.As shown in Figure 4, a cathode fluorescent tube drive circuit is located on a power panel 11 and the balance plate 12 (balance board), is used to drive a backlight 13; And this backlight 13 comprises many U type cathode fluorescent tube 131～13N, and N is a natural number.On this power panel 11, be provided with a bridge rectifier 111, a merit because of corrector 112, one half-bridge/full-bridge converter 113, a transformer device structure Tr21, a transformer device structure Tr22, one first resonant circuit (forming) and one second resonant circuit (forming) by a resonant inductor Lk2 and a resonant capacitor Cp2 by a resonant inductor Lk1 and a resonant capacitor Cp1.On this balance plate 12, be provided with a plurality of first balanced capacitor Cs1 and a plurality of second balanced capacitor Cs2.In the utility model embodiment, this bridge rectifier 111 is used to receive electric main AC and it is changed into direct voltage.This merit is because of corrector 112 is coupled to this bridge rectifier 111, and the current waveform of distortion that is used to repair these bridge rectifier 111 outputs is to meet the harmonic current standard.This half-bridge/full-bridge converter 113 because of corrector 112 is coupled to this bridge rectifier 111, is used to receive the direct voltage of these bridge rectifier 111 outputs by this merit, and it is changed into square wave alternating-current voltage.Wherein, the lead winding mode of the primary side (Ps) of this transformer device structure Tr21 and secondary side (Ss) is shown in Fig. 1 C.And primary side (Ps) umber of turn of this transformer device structure Tr21 and secondary side (Ss) umber of turn ratio are 1: n, the multiple that the n representative is boosted.In addition, therefore the similar of transformer device structure Tr22 and this transformer device structure Tr21 repeats no more.
The primary side (Ps) of this transformer device structure Tr21 and the primary side (Ps) of this transformer device structure Tr22 are connected in series and are connected across the output of this half-bridge/full-bridge converter 113, are used for recipient's alternating current wave and press.The secondary side (Ss) of this transformer device structure Tr21 is coupled to this first resonant circuit; And the secondary side (Ss) of this transformer device structure Tr22 is coupled to this second resonant circuit.Wherein, resonant inductor Lk1 in this first resonant circuit can be provided by the leakage inductance of the secondary side (Ss) of this transformer device structure Tr21 usually, and the resonant inductor Lk2 in this second resonant circuit can be provided by the leakage inductance of the secondary side (Ss) of this transformer device structure Tr22 usually.This transformer device structure Tr21 with the boost in voltage of being assigned on its primary side (Ps) after, the resonance by this first resonant circuit becomes the first string alternating current wave and presses V1 output again.And this transformer device structure Tr22 with the boost in voltage of being assigned on its primary side (Ps) after, the resonance by this second resonant circuit becomes the second string alternating current wave and presses V2 output again.Because the secondary side (Ss) of this transformer device structure Tr21 and secondary side (Ss) polarity of this transformer device structure Tr22 are opposite, the first string alternating current wave that makes this first resonant circuit and this second resonant circuit export respectively presses the V1 and the second string alternating current wave to press V2 phase difference 180 degree.Thus, this cathode fluorescent tube drive circuit only needs two transformer device structure Tr21 and Tr22, just enough drives many U type cathode fluorescent tube 131～13N.
In sum, the described transformer device structure of the utility model embodiment can be used for driving the drive circuit of cathode fluorescent tube; And because it is simple in structure, expense is cheap, so can simplify the cathode fluorescent tube circuit structure of large scale liquid crystal display, can reduce the manufacturing cost of direct type backlight module and assemble man-hour convenient the application.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. a transformer device structure is characterized in that, this transformer device structure comprises:
One coiling unit, this coiling unit includes one first drum stand, one second drum stand and one the 3rd drum stand, include one first accommodation space in this first drum stand, include one second accommodation space in this second drum stand, include one the 3rd accommodation space in the 3rd drum stand, the both ends of this first drum stand and this second drum stand are provided with a low voltage partition plate respectively, the 3rd drum stand arranged outside has a plurality of high pressure dividing plates, and this first accommodation space is connected with the 3rd accommodation space;
Sections core on the one, be used to form magnetic flux path, this day, the sections core included a center magnetic conductor and two side column magnetic conductors, and this center magnetic conductor wore this first accommodation space and the 3rd accommodation space, this day a wherein side column magnetic conductor of sections core wore this second accommodation space;
One low pressure coiling group, this low pressure coiling group is arranged between two low voltage partition plates, and this first drum stand and this second drum stand are surrounded and the formation primary side;
One high-tension winding group, this high-tension winding group is arranged between a plurality of high pressure dividing plates, and the 3rd drum stand is surrounded and the formation secondary side;
One over cap is used to cover this coiling unit, this low pressure coiling group and this high-tension winding group, with isolated electrical interference.
2. transformer device structure as claimed in claim 1 is characterized in that, wherein, this day, the sections core was by two E sections core be combined intos.
3. transformer device structure as claimed in claim 2 is characterized in that, wherein, between the center magnetic conductor of two E sections cores a gap is arranged apart.
4. transformer device structure as claimed in claim 1 is characterized in that, wherein, this day the sections core form by an E sections core and an I sections core, or form by a C sections core and a T sections core.
5. transformer device structure as claimed in claim 1 is characterized in that, wherein, this over cap and this coiling unit in conjunction with the time mutual close-fitting and engaging, or pass through Fastening tenon structure and engage.
6. transformer device structure as claimed in claim 1 is characterized in that, wherein, and this center magnetic conductor and this first accommodation space or the mutual close-fitting of the 3rd accommodation space.
7. transformer device structure as claimed in claim 1 is characterized in that, wherein, and this side column magnetic conductor and the mutual close-fitting of this second accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202720745U CN201611607U (en) | 2009-12-18 | 2009-12-18 | Transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202720745U CN201611607U (en) | 2009-12-18 | 2009-12-18 | Transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611607U true CN201611607U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202720745U Expired - Fee Related CN201611607U (en) | 2009-12-18 | 2009-12-18 | Transformer structure |
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| Country | Link |
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| CN (1) | CN201611607U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700992A (en) * | 2013-12-10 | 2015-06-10 | 深圳麦格米特电气股份有限公司 | Novel transformer |
| CN107924755A (en) * | 2015-10-05 | 2018-04-17 | 欧姆龙株式会社 | Transformer and the resonance circuit for possessing it |
| CN108010681A (en) * | 2018-02-01 | 2018-05-08 | 梁兴云 | A kind of mirror image balances isolated power supply transformer |
| CN114628123A (en) * | 2022-05-16 | 2022-06-14 | 深圳市斯比特电子有限公司 | Car fills electric pile with no skeleton transformer |
-
2009
- 2009-12-18 CN CN2009202720745U patent/CN201611607U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700992A (en) * | 2013-12-10 | 2015-06-10 | 深圳麦格米特电气股份有限公司 | Novel transformer |
| CN104700992B (en) * | 2013-12-10 | 2017-02-15 | 深圳麦格米特电气股份有限公司 | Transformer |
| CN107924755A (en) * | 2015-10-05 | 2018-04-17 | 欧姆龙株式会社 | Transformer and the resonance circuit for possessing it |
| US20180240588A1 (en) * | 2015-10-05 | 2018-08-23 | Omron Corporation | Transformer and resonant circuit having same |
| CN107924755B (en) * | 2015-10-05 | 2019-12-10 | 欧姆龙株式会社 | transformer and resonance circuit provided with same |
| US10984945B2 (en) | 2015-10-05 | 2021-04-20 | Omron Corporation | Transformer and resonant circuit having same |
| CN108010681A (en) * | 2018-02-01 | 2018-05-08 | 梁兴云 | A kind of mirror image balances isolated power supply transformer |
| CN114628123A (en) * | 2022-05-16 | 2022-06-14 | 深圳市斯比特电子有限公司 | Car fills electric pile with no skeleton transformer |
| CN114628123B (en) * | 2022-05-16 | 2022-12-16 | 深圳市斯比特电子有限公司 | Car fills electric pile with no skeleton transformer |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANJIE DISPLAY (CHINA) CO., LTD. Free format text: FORMER OWNER: GUANJIE INVESTMENT CO., LTD. Effective date: 20120604 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HONG KONG, CHINA TO: 100000 DAXING, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120604 Address after: 100000, Beijing economic and Technological Development Zone, No. 118, No. 3, No. two, Hai Lu, Beijing Patentee after: AOC display (China) Co., Ltd. Address before: Room 1023, Harbour City marine center, Tsim Sha Tsui, Hongkong, China Patentee before: Guanjie Investment Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: TPV DISPLAY TECHNOLOGY (CHINA) CO., LTD. Free format text: FORMER OWNER: TOP VICTORY INVESTMENTS LIMITED Effective date: 20120808 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HONG KONG, CHINA TO: 100000 DAXING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120808 Address after: 100000, Beijing economic and Technological Development Zone, No. 118, No. 3, No. two, Hai Lu, Beijing Patentee after: AOC display technology (China) Co., Ltd. Address before: Room 1023, Harbour City marine center, Tsim Sha Tsui, Hongkong, China Patentee before: Guanjie Investment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20161218 |