CN2671096Y - Transformer for liquid-crystal displaying device background light - Google Patents
Transformer for liquid-crystal displaying device background light Download PDFInfo
- Publication number
- CN2671096Y CN2671096Y CN 200320121174 CN200320121174U CN2671096Y CN 2671096 Y CN2671096 Y CN 2671096Y CN 200320121174 CN200320121174 CN 200320121174 CN 200320121174 U CN200320121174 U CN 200320121174U CN 2671096 Y CN2671096 Y CN 2671096Y
- Authority
- CN
- China
- Prior art keywords
- iron core
- bobbin
- transformer
- bias light
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model relates to a transformer for liquid-crystal displaying device background light, comprising a primary coil former used for a primary coil, a secondary coil former used for a secondary coil and a cover of the transformer. The utility model is characterized in that the inner side of the cover of transformer is provided with a baffle to form a first placing groove for the primary coil former and a second placing groove for the secondary coil former; the two placing grooves are respectively used to place the primary coil former and the secondary coil former; a pair of iron core like the Chinese character 'kou' go through both sides of the cover of the transformer and are inserted into inserting holes which are respectively formed in the inner part of the primary coil former and the inner part of the secondary coil former. In the utility model, when each component is combined more firmly, assembling and decomposing is convenient, and production efficiency can be improved.
Description
Affiliated technical field
The utility model relates to a kind of transformation device field, specifically a kind of LCD bias light transformer.
Background technology
Along with the development of display device technology, the demand of the LCD (LCD) that is used in computer or other field of display devices is increased day by day.
LCD display is compared with CRT monitor has thin thickness, the picture little characteristics of beating.
According to above-mentioned LCD display,, therefore be provided with the high drive fluorescent tube because bias light (back-light) system requirements possesses the bias light module.
The current transformer that possesses drive circuit is used to drive described fluorescent tube, and this current transformer uses high-tension transformer.
In order to reduce the volume of LCD display to greatest extent, the transformer device structure that above-mentioned current transformer uses should be designed to ultrathin type.
According to the conventional art of above-mentioned LCD bias light with transformer, the open communique of Republic of Korea's special permission on February 26th, 2003 discloses a kind of transformer that is used for converter circuit the 2003rd No. 15957.
In conjunction with the accompanying drawings above-mentioned conventional art is described.With reference to figure 1a, transformer 1 is made of with second bobbin and the iron core module 4 that are used for secondary coil 32 first bobbin 2 that is used for primary winding 22.
In order to prevent the electric arc defective of secondary coil, above-mentioned secondary coil frame 2 is become some fields by several fates.Iron core module 4 is made of a font iron core 4a and the 2nd font iron core 4b, the one font iron core 4a and the 2nd font iron core 4b are inserted into 21 and second cavity 31, first cavity from the two ends of above-mentioned first bobbin 2 and second bobbin 3 respectively, form O yi word pattern closed magnetic loop.
The symbol 5,6th that does not describe is used for respectively with the pin that once is connected with secondary coil.
But there is following problem in above-mentioned conventional art.
The first, as Fig. 1 b, shown in Fig. 1 c, iron core module 4 assigned into first bobbin 2 and second bobbin 3 below, between first bobbin, 2, the second bobbins 3 and the iron core module not other means the three is fixed together, therefore, be easy to be separated by impact strength from the outside.
The second, because first bobbin 2 is adjacent side by side with second bobbin 3, electric insulating effect is relatively poor.
Summary of the invention
The purpose of this utility model provide a kind of by the combining structure that changes parts make each parts in conjunction with more firmly be convenient to simultaneously the liquid crystal display bias light transformer assembling and decompose again, this LCD bias light has been realized the electric insulation of primary winding frame and secondary coil frame with transformer, the assembling and the decomposition of shunting iron core are more easy, make and can enhance productivity.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of LCD bias light transformer, comprise 1 bobbin being used for 1 coil, be used for 2 bobbins and the transformer cover of 2 coils, it is characterized in that transformer cover inside is provided with a dividing plate, make and form first, the second bobbin mounting groove is in order to lay 1 bobbin and 2 bobbins respectively; With the iron core of a pair of " " font, the both sides of this iron core perforation transformer cover are inserted into and are formed at inserting in the hole of described 1 bobbin and 2 bobbin inside.
The both sides of described transformer cover are provided with the iron core through hole that is used to insert iron core, the downside of iron core through hole is provided with is convenient to the guide part that iron core inserts, iron core break away from prevent with by the clasp that can mutually combine/separate in conjunction with or break away from the both sides of transformer cover, be used to prevent to be inserted in the iron core disengaging of described iron core through hole.The first bobbin mounting groove of described transformer cover is provided with the jut that determines 1 bobbin direction of insertion, and the outside of described 1 bobbin is provided with the insertion groove that is used to insert jut.The second bobbin mounting groove of described transformer cover is provided with the jut that determines 2 bobbin direction of insertion, and the outside of described 2 bobbins is provided with the insertion groove that is used to insert jut.Described being used for completely cuts off with outside by packing material with the splicing ear that is formed at 2 bobbin both sides of 2 coil electrical connections, be provided with the anti-overflow portion of certain altitude above the mounting groove of described second bobbin, be used to prevent the outside of packing material slime flux to the transformer cover.The dividing plate of described transformer inside vertically is provided with the slot that possesses certain depth, is used for inserting and extracting the shunting iron core.The middle part of described dividing plate is provided with the notch part that falls into shape, because the part that is arranged so that the shunting iron core of notch part is exposed outside, therefore can will shunt the iron core insertion more conveniently or transfers in slot.
The beneficial effects of the utility model are, be convenient to again assemble and decompose when making each parts combination get more firmly by the combining structure that changes parts, this LCD bias light has been realized the electric insulation of primary winding frame and secondary coil frame with transformer, the assembling and the decomposition of shunting iron core are more easy, make and can enhance productivity.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 a is the transformer decomposing schematic representation of background technology.
Fig. 1 b is the primary winding generalized section of Fig. 1 a.
Fig. 1 c is the secondary coil generalized section of Fig. 1 a.
Fig. 2 is the decomposing schematic representation of the utility model first embodiment.
Fig. 3 is a combination schematic diagram of the present utility model.
Fig. 4 be assembly-footing of the present utility model in conjunction with profile.
Fig. 5 is the decomposing schematic representation of the utility model second embodiment.
Fig. 6 is inserted into view on the transformer cover with the shunting iron core.
100.2 bobbins among the figure, 100a. iron core slot, 101. insertion grooves, 103. splicing ear, 200.1 bobbins, 200a. iron core slot, 201. insertion groove, 203. splicing ears, 300. transformer covers, 300a. the second bobbin mounting groove, the 300b. first bobbin mounting groove, 301. iron core through holes, 302. breaking away from, iron core guide part, 303. iron cores prevent band, 304. clasps, 305. clasp, 310. dividing plate, 310a. notch part, 311. slots, 312. shunting iron core, 320. jut, 330. juts, 340. anti-overflow portions, 350. anti-overflow portion, 400. iron cores.
Embodiment
To achieve these goals, the invention provides a kind of LCD bias light transformer, this transformer comprises: 1 bobbin that is used for 1 coil: 2 bobbins that are used for 2 coils: transformer cover, its inside is provided with a dividing plate, make and form first, the second bobbin mounting groove is in order to lay 1 bobbin and 2 bobbins respectively; With the iron core of a pair of " " font, the both sides that this iron core connected transformer are inserted into and are formed at inserting in the hole of described 1 bobbin and 2 bobbin inside.
With reference now to accompanying drawing, LCD bias light according to the preferred embodiment of the invention is elaborated with transformer.
Fig. 2 is a decomposing schematic representation of using transformer according to the LCD bias light of first embodiment of the invention, Fig. 3 is that LCD bias light according to the present invention makes up schematic diagram with transformer, Fig. 4 be assembly-footing of the present invention in conjunction with profile, Fig. 5 is a decomposing schematic representation of using transformer according to the LCD bias light of second embodiment of the invention, and Fig. 6 is inserted into the shunting iron core according to the view on the transformer cover of the present invention.
As shown in the figure, according to the present invention transformer by 2 bobbins 100 that are used for 2 coil (not shown); 1 bobbin 200 that is used for 1 coil (not diagrammatic sketch); Transformer cover 300a, 300b is in order to lay 1 bobbin and 2 bobbins 200,100 respectively; Constitute with the iron core 400 of a pair of " " font, the both sides of this iron core perforation transformer cover 300 are inserted into and are formed at inserting in the hole of described 1 time and 2 times bobbin 200,100 inside.
Wherein, described iron core 400 adopts the Ni-Zn series material preferable.
In addition, described 1 time, 2 times coil only relates to general technology, so do not give unnecessary details.
In addition, described dividing plate 310 is used to isolate 1 bobbin 200 and 2 bobbins 100, makes to realize electric insulation better.
Above-mentioned 1 time, 2 times bobbin 200,100 is respectively equipped with iron core slot 200a, and 100a is used to insert described iron core 400, is provided with the splicing ear 203,103 of outstanding shape in both sides, is used for being electrically connected with described 1,2 coil (not shown).
The both sides of described transformer cover 300 are provided with the iron core through hole 301 that is used to insert iron core 400, the downside of iron core through hole 301 is provided with is convenient to the guide part 302 that iron core inserts, iron core breaks away from and to prevent with 303 clasps 304 by mutually combining/separating, 305 in conjunction with or break away from the both sides of transformer cover 300, be used to prevent that the iron core 400 that is inserted in described iron core through hole 301 breaks away from.
Wherein said clasp 304 is located at the iron core disengaging and is prevented to be with 303, and clasp 305 is located at the both sides of transformer cover 300.
In addition, described iron core breaks away from and prevents to be with 303 to adopt elastomeric materials to make, make can in conjunction with and separate.
The first bobbin mounting groove 300b of transformer cover 300 is provided with the jut 330 that determines 1 bobbin 200 direction of insertion, and the outside of described 1 bobbin 200 is provided with insertion groove 201 and is used to insert jut 330.
In addition, the second bobbin mounting groove 300a of described transformer cover 300 is provided with the jut 320 that determines 2 bobbin 100 direction of insertion, and the outside of described 2 bobbins 100 is provided with insertion groove 101 and is used to insert jut 320.
As mentioned above, owing to be provided with jut 320,330 and insertion groove 101,201, make can not misplug phenomenon during 300a by the mounting groove 300b that 1 bobbin 200 and 2 bobbins 100 is inserted into first and second bobbins.
Be used for completely cutting off with outside by packing materials such as epoxy resin with the splicing ear 103 that is formed at described 2 bobbin 100 both sides of 1 time and 2 times coil electrical connection, be provided with the anti-overflow portion 340 of certain altitude above the mounting groove 300a of described second bobbin, be used to prevent the outside of described epoxy resin slime flux to transformer cover 300.
Described anti-overflow portion 340 also have 2 coils of protection in connect the function of pressure.
According to said structure assembling sequence of the present invention is described now.
At first, 1 bobbin 200 and 2 bobbins 100 are inserted into the first and second bobbin mounting groove 300b of transformer cover 300, among the 300a.
To consider 1 bobbin 200 and 2 bobbins 100 when inserting.
For example, if jut 320,330 is inserted into groove 101,201, then, directivity do not misplug phenomenon owing to can not producing naturally.
Then, iron core 400 is inserted into 1 time by the through hole unshakable in one's determination 302 that is formed at transformer cover 300, the iron core slot 200a of 2 bobbins 200,100 is among the 100a.Then, insert the iron core disengaging and prevent to be with 303, prevent that iron core breaks away from.
Be located at the iron core disengaging this moment and prevent that the clasp 304 with 303 from combining with the clasp 305 of being located at transformer cover 300 both sides, and can separate.
In addition, utilize packing material such as epoxy resin to make and be located at 1 time, the splicing ear 203,103 of 2 bobbins 200,100 with the state that only exposes end not with outside isolated, thereby realize with 1 time the electrical connection of 2 coils.
In addition, utilize anti-overflow portion 350 to prevent that packing material is excessive.
As mentioned above, LCD bias light according to the present invention makes each parts combination get firm more be convenient to again simultaneously assembling and decomposition with transformer by the combining structure that changes parts.
More than to being illustrated according to the LCD bias light of the first embodiment of the present invention structure with transformer.
With reference now to Fig. 5 and Fig. 6, to LCD bias light according to the present invention with second of transformer
Embodiment describes.
As shown in the figure, the dividing plate 310 of transformer cover 300 inside vertically is provided with the slot 311 that possesses certain depth, is used for inserting and dial-out shunting iron core 312.
Described iron core only relates to well-known general technology, so do not give unnecessary details.
As mentioned above, owing to shunting iron core 312 can be inserted in the slot 311 that is formed at dividing plate 310, therefore, assembling and decomposition become more easy, can also enhance productivity simultaneously.
In addition, the insertion time of described shunting iron core 312 is with the manufacturing process sequence independence according to transformer of the present invention.
In addition, the middle part of described dividing plate 310 is provided with the notch part 310a that falls into shape, and the part that is arranged so that shunting iron core 312 of notch part 310a is exposed outside, therefore will shunt iron core 312 insertions or transfer in slot 311 more easy.
Claims (7)
1. LCD bias light transformer, comprise 1 bobbin being used for 1 coil, be used for 2 bobbins and the transformer cover of 2 coils, it is characterized in that transformer cover inside is provided with a dividing plate, make and form first, the second bobbin mounting groove is in order to lay 1 bobbin and 2 bobbins respectively; With the iron core of a pair of " " font, the both sides of this iron core perforation transformer cover are inserted into and are formed at inserting in the hole of described 1 bobbin and 2 bobbin inside.
2. LCD bias light transformer according to claim 1, the both sides of wherein said transformer cover 300 are provided with the iron core through hole that is used to insert iron core, the downside of iron core through hole is provided with is convenient to the guide part that iron core inserts, iron core break away from prevent with by the clasp that can mutually combine/separate in conjunction with or break away from the both sides of transformer cover, be used to prevent to be inserted in the iron core disengaging of described iron core through hole.
3. LCD bias light transformer according to claim 1 and 2, the first bobbin mounting groove of wherein said transformer cover is provided with the jut that determines 1 bobbin direction of insertion, and the outside of described 1 bobbin is provided with the insertion groove that is used to insert jut.
4. LCD bias light transformer according to claim 3, the second bobbin mounting groove of wherein said transformer cover is provided with the jut that determines 2 bobbin direction of insertion, and the outside of described 2 bobbins is provided with the insertion groove that is used to insert jut.
5. LCD bias light transformer according to claim 4, wherein said being used for completely cuts off with outside by packing material with the splicing ear that is formed at 2 bobbin both sides of 2 coil electrical connections, be provided with the anti-overflow portion of certain altitude above the mounting groove of described second bobbin, be used to prevent the outside of packing material slime flux to the transformer cover.
6. LCD bias light transformer according to claim 1, the dividing plate of wherein said transformer inside vertically is provided with the slot that possesses certain depth, is used for inserting and extracting the shunting iron core.
7. LCD bias light transformer according to claim 7, the middle part of wherein said dividing plate is provided with the notch part that falls into shape, because the part that is arranged so that the shunting iron core of notch part is exposed outside, therefore can will shunt the iron core insertion more conveniently or transfer in slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320121174 CN2671096Y (en) | 2003-12-05 | 2003-12-05 | Transformer for liquid-crystal displaying device background light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320121174 CN2671096Y (en) | 2003-12-05 | 2003-12-05 | Transformer for liquid-crystal displaying device background light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2671096Y true CN2671096Y (en) | 2005-01-12 |
Family
ID=34475977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320121174 Expired - Fee Related CN2671096Y (en) | 2003-12-05 | 2003-12-05 | Transformer for liquid-crystal displaying device background light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2671096Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194567A (en) * | 2010-03-18 | 2011-09-21 | 台达电子工业股份有限公司 | Combined transformer structure |
-
2003
- 2003-12-05 CN CN 200320121174 patent/CN2671096Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194567A (en) * | 2010-03-18 | 2011-09-21 | 台达电子工业股份有限公司 | Combined transformer structure |
| CN102194567B (en) * | 2010-03-18 | 2013-01-02 | 台达电子工业股份有限公司 | Combined transformer structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1127099C (en) | Induction element and making of same | |
| CN100345227C (en) | High-voltage transformer | |
| US8643459B2 (en) | Transformer and flat panel display device including the same | |
| CN1196151C (en) | Microelectronic Component carrier and method of its manufacture | |
| CN1949415A (en) | Coiling sheet stype common mode choking coil | |
| CN1647323A (en) | High-speed cable connector with stacking structure | |
| JP2009026768A (en) | Modular plug to be used by mounting on end of cable | |
| KR102023252B1 (en) | Bobin assembly, transformer comprising same, and winding method | |
| US20090167473A1 (en) | Transformer structure | |
| CN2671096Y (en) | Transformer for liquid-crystal displaying device background light | |
| CN2854781Y (en) | Iron-core separation transformer | |
| CN200969273Y (en) | Winding frame and transformer | |
| CN1771635A (en) | Electric connector | |
| CN1127284C (en) | Sounder | |
| CN1204575C (en) | Flyback transformer | |
| KR100911944B1 (en) | Slim type great capacity transformer for Inverter | |
| CN1577652A (en) | High voltage bobbin of fly-back transformer | |
| CN110149575B (en) | Sounding device | |
| CN201017759Y (en) | Transformer device structure | |
| CN220962986U (en) | Combined transformer framework and transformer | |
| CN215183482U (en) | High-voltage resonance inductor | |
| CN101409142A (en) | Multi-pole combined magnetic core with magnetic shielding | |
| CN2849923Y (en) | Transformer structure with single cavity hollow cover | |
| CN218182005U (en) | Flat line inductance of segmentation air gap | |
| CN211555646U (en) | Resonance transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |