CN2691024Y - Transformer structure - Google Patents
Transformer structure Download PDFInfo
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- CN2691024Y CN2691024Y CN 200420005435 CN200420005435U CN2691024Y CN 2691024 Y CN2691024 Y CN 2691024Y CN 200420005435 CN200420005435 CN 200420005435 CN 200420005435 U CN200420005435 U CN 200420005435U CN 2691024 Y CN2691024 Y CN 2691024Y
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- sidewall
- winding frame
- reference column
- raised line
- low pressure
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Abstract
The utility model relates to a transformer structure, comprising a low voltage wrapping frame, two high voltage wrapping frames, and two cores. The low voltage wrapping frame comprises a first main body, a first side wall, a second side wall and a first hollow part; wherein, the first side wall and the second side wall are respectively connected with the two ends of the first main body. Each of the two high voltage wrapping frames comprises a second main body, a third side wall, a forth side wall and a second hollow part; wherein, the third side wall and the forth side wall are respectively connected with the two ends of the second main body, each second main body is wrapped with high voltage coils, and a distance is formed between each high voltage coil and the low voltage line on the first main body of the low voltage wrapping frame. Each core comprises a base, an outer convex strip, an inner convex strip and two outer convex columns; wherein, the outer convex strip, the inner convex strip and the two outer convex columns extend to the base in the same direction, the outer convex strips of the two cores are respectively positioned in the first hollow component, the inner convex strips are respectively positioned in the distance, and the outer convex columns are respectively positioned in the second hollow part. The utility model can prevent circuit components from burning out, balancing the electric current better.
Description
Technical field
The utility model relates to a kind of transformer device structure, especially relates to a kind of in order to drive the transformer device structure of liquid crystal display backlight module light source.
Background technology
As everyone knows, along with developing rapidly of photoelectric technology, all multi-vendor exploitations of all being devoted to the large scale liquid crystal display floater are to offer the better LCD of consumer.Except display panels, LCD also need possess backlight module, to provide display panels required light source.This backlight module comprises cold-cathode tube and transformer.Big more display panels needs enough transformers to drive enough cold-cathode tubes.
See also Fig. 1, be existing transformer, comprise low pressure drum stand 4, high-tension winding frame 5 and two iron cores 6.Low pressure drum stand 4 and high-tension winding frame 5 twine low-voltage coil 45 and high-tension coil 55 respectively.Two iron cores 6 are two C font iron cores 6, and each C font 6 two ends unshakable in one's determination wear relatively respectively and are positioned in low pressure drum stand 4 and the high-tension winding frame 5.
Above-mentioned existing transformer, its low-voltage coil 45 connects the circuit unit of external power source, and high-tension coil 55 connects cold-cathode tube.When activating power, low-voltage coil 45 makes two iron cores 6 produce magnetic flux in same magnetic circuit, and this magnetic flux is coupled to high-tension coil 55, make high-tension coil 55 produce induced voltage, thereby it is shinny to drive cold-cathode tube.But,, cause mutual induction amount to increase because low-voltage coil 45 and high-tension coil 55 are shared same magnetic circuit.When transformer drove cold-cathode tube, high-tension coil 55 can produce great load current, and this load current can induce great anti-magnetomotive force, thereby influences the power transfer of low-voltage coil 45, caused low-voltage coil 45 to produce high temperature.The phenomenon in case high-tension coil 55 is short-circuited, low-voltage coil 45 can burn because of the anti-magnetomotive force that short circuit current produced with the circuit unit of external power source.In addition, when transformer connects many cold-cathode tubes, also need be connected ballast capacitor between transformer and the cold-cathode tube, drive a cold-cathode tube with balancing transformer, required cost is also high.
As shown in the above, existing transformer has a lot of inconvenience and shortcoming to exist on reality is used, and need be improved.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of transformer device structure, and low-voltage coil and the circuit unit that is connected in the external power source of low-voltage coil can not burnt because of the short circuit of high-tension coil.
Second technical problem to be solved in the utility model is to provide a kind of transformer device structure, makes the electric current balance more of the light source of the backlight module by being connected high-tension coil.
Another technical problem to be solved in the utility model is to provide a kind of transformer device structure, and the cost of transformer and backlight module is reduced.
To achieve these goals, the utility model provides a kind of transformer device structure, its characteristics are, comprise: a low pressure drum stand, it has first body, the first side wall and second sidewall, the described the first side wall and second sidewall are connected to the described first body two ends, and described low pressure drum stand is provided with first hollow bulb and runs through described the first side wall, first body and second sidewall, twines low-voltage coil on described first body; Two high-tension winding framves, it respectively has second body, the 3rd sidewall and the 4th sidewall, described the 3rd sidewall and the 4th sidewall are connected to the described second body two ends, each high-tension winding has been set up second hollow bulb and has been run through described the 3rd sidewall, second body and the 4th sidewall, twine high-tension coil on each second body, form spacing between the low-voltage line on first body of each high-tension coil and described low pressure drum stand; And two iron cores, it respectively has a base portion, one outer raised line, raised line and two outer projections in one, described outer raised line, interior raised line and two outer projections extend in the same way from described base portion, raised line is outside described outside raised line and two between the projection in described, the outer raised line of described two iron cores wears from the first side wall of described low pressure drum stand and second sidewall respectively and is positioned described first hollow bulb, the interior raised line of described two iron cores wears relatively respectively and is positioned described spacing, and the outer projection of described two iron cores wears from the 3rd sidewall of each high-tension winding frame and the 4th sidewall respectively and is positioned each second hollow bulb.
Above-mentioned transformer device structure, its characteristics are that second sidewall of described low pressure drum stand is provided with the low pressure pin, and the quantity of described low pressure pin is even numbers.
Above-mentioned transformer device structure, its characteristics are, are provided with location structure between described low pressure drum stand and described each high-tension winding frame.
Above-mentioned transformer device structure, its characteristics are, described location structure is that the second sidewall two ends of described low pressure drum stand extend in parallel and are formed with first reference column and second reference column, described first reference column is provided with first concave point, described second reference column is provided with first salient point, the 4th sidewall two ends of described high-tension winding frame extend in parallel and are formed with the 3rd reference column and the 4th reference column, described the 3rd reference column is provided with second salient point, described the 4th reference column is provided with second concave point, wherein second group of bumps of a high-tension winding frame is located at first concave point of described first reference column, and second concave point of another high-tension winding frame is mounted on first salient point of described second reference column.
Above-mentioned transformer device structure, its characteristics are that the 4th sidewall of described high-tension winding frame is provided with the high pressure pin.
Above-mentioned transformer device structure, its characteristics are that described high pressure pin comprises wound portion and weld part.
Above-mentioned transformer device structure, its characteristics are that the 4th sidewall of described high-tension winding frame is provided with guide groove.
Above-mentioned transformer device structure, its characteristics are, second body of described high-tension winding frame is provided with a grade wall, between each grade wall, between shelves wall and described the 3rd sidewall and form the groove position respectively between described grade of wall and described the 4th sidewall, is wound with described high-tension coil in each groove position.
Above-mentioned transformer device structure, its characteristics are that the outer raised line of described two iron cores, interior raised line and outer projection are to be cuboid.
Above-mentioned transformer device structure, its characteristics are, further comprise another high-tension winding frame at least, described two iron cores further respectively are provided with another outer projection at least, and the outer projection of described two iron cores wears from described the 3rd sidewall of each high-tension winding frame and described the 4th sidewall respectively and is positioned each second hollow bulb.
Effect of the present utility model, the circuit unit that is to make low-voltage coil and is connected in the external power source of low-voltage coil can not burn because of the short circuit of high-tension coil, and makes the electric current balance more of the light source of the backlight module by being connected high-tension coil.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the vertical view of existing transformer;
Fig. 2 is the three-dimensional exploded view of the utility model low pressure drum stand and high-tension winding frame;
Fig. 3 is the three-dimensional combination figure of the utility model low pressure drum stand and high-tension winding frame;
Fig. 4 is the three-dimensional combination figure of the utility model low pressure drum stand and another angle of high-tension winding frame;
Fig. 5 is the vertical view of the utility model low pressure drum stand and high-tension winding frame;
Fig. 6 is the three-dimensional exploded view of the utility model transformer device structure;
Fig. 7 is the three-dimensional combination figure of the utility model transformer device structure;
Fig. 8 is the end view of the utility model transformer device structure;
Fig. 9 is the three-dimensional exploded view of another embodiment of the utility model transformer device structure.
Wherein, Reference numeral:
4-low pressure drum stand, the 45-low-voltage coil
5-high-tension winding frame, the 55-high-tension coil
The 6-iron core
1-low pressure drum stand
10-first body, the 11-the first side wall
12-second sidewall, 121-first reference column, 122-second reference column
123-first concave point, 124-first salient point
13-first hollow bulb, 14-low pressure pin, 15-low-voltage coil
2-high-tension winding frame
20-second body, 201-shelves wall, 202-groove position
21-the 3rd sidewall
22-the 4th sidewall, 221-the 3rd reference column, 222-the 4th reference column
223-second salient point, 224-second concave point
23-second hollow bulb
24-high pressure pin, 241-wound portion, 242-weld part
The 25-high-tension coil, 26-guide groove, 27-spacing
The 3-iron core
The 30-base portion, the outer raised line of 31-, raised line in the 32-, the outer projection of 33-
Embodiment
See also Fig. 2 to shown in Figure 8, the utility model is a kind of transformer device structure, comprises a low pressure drum stand 1, two high-tension winding framves 2 and two iron cores 3, wherein:
Low pressure drum stand 1, it has one first body 10, a first side wall 11 and one second sidewall 12, and this first side wall 11 and second sidewall 12 are connected to the two ends of first body 10.Low pressure drum stand 1 is provided with one first hollow bulb 13 and runs through the first side wall 11, first body 10 and second sidewall 12.This second sidewall 12 is provided with low pressure pin 14, and the quantity of low pressure pin 14 is odd or even numbers.Twine low-voltage coil 15 on first body 10.When the quantity of low pressure pin 14 is even numbers, can the automation mode apace the two ends of each low-voltage coil 15 be wound in low pressure pin 14 respectively.Low-voltage coil 15 is the circuit units that connect external power source.
Two high-tension winding framves 2, it respectively has the two ends that second body 20, the 3rd sidewall 21 and the 4th sidewall 22, the three sidewalls 21 and the 4th sidewall 22 are connected to this second body 20.Each high-tension winding frame 2 is provided with second hollow bulb 23 and runs through the 3rd sidewall 21, second body 20 and the 4th sidewall 22.This second body 20 is provided with grade wall 201, forms groove position 202 respectively between each grade wall 201 and the 4th sidewall 22.The 4th sidewall 22 is provided with high pressure pin 24 and guide groove 26, and this high pressure pin 24 comprises wound portion 241 and weld part 242.Twine high-tension coil 25 in each groove position 202 on each second body 20, these high-tension coil 25 two ends are contained in this guide groove 26 respectively, and are wound in this wound portion 241.Form spacing 27 between the low-voltage coil 15 on first body 10 of each high-tension coil 25 and this low pressure drum stand 1.High-tension coil 25 is the light sources that connect backlight module, as cold-cathode tube.
Two iron cores 3, it respectively has a base portion 30, one outer raised line 31, interior raised line 32 and two outer projections 33.Should outer raised line 31, interior raised line 32 and two outer projections 33 be to be cuboid and to extend in the same way from this base portion 30, interior raised line 32 outside outside raised line 31 and two between the projection 33.The outer raised line 31 of these two iron cores 3 wears from the first side wall 11 of low pressure drum stand 1 and second sidewall 12 respectively and is positioned first hollow bulb 13.The interior raised line 32 of these two iron cores 3 wears relatively respectively and is positioned spacing 27.The outer projection 33 of these two iron cores 3 wears from the 3rd sidewall 21 of each high-tension winding frame 2 and the 4th sidewall 22 respectively and is positioned each second hollow bulb 23.Two iron cores 3 can be deadlocked etc. mode glued together fixing.
In the present embodiment, be provided with location structure between low pressure drum stand 1 and each the high-tension winding frame 2.This location structure is that second sidewall, 12 two ends of low pressure drum stand 1 extend in parallel and are formed with first reference column 121 and second reference column 122, this first reference column 121 is provided with first concave point 123, this second reference column 122 is provided with first salient point 124, the 4th sidewall 22 two ends of high-tension winding frame 2 extend in parallel and are formed with the 3rd reference column 221 and the 4th reference column 222, the 3rd reference column 221 is provided with second salient point 223, the 4th reference column 222 is provided with second concave point 224, wherein second salient point 223 of a high-tension winding frame 2 is mounted on first concave point 123 of first reference column 121, and second concave point 224 of another high-tension winding frame 2 is mounted on first salient point 124 of this second reference column 122.Thereby, can make low pressure drum stand 1 more simple and firm with the assembling of high-tension winding frame 2.
When activating power, low-voltage coil 15 makes the outer raised line 31 of two iron cores 3 produce magnetic flux, this magnetic flux along the magnetic circuit of two iron cores 3 flow to respectively two iron cores 3 interior raised line 32 and outside behind the projection 33, flow back to outer raised line 31 again, this magnetic flux is coupled to high-tension coil 25, make high-tension coil 25 produce induced voltage, thereby it is shinny to drive cold-cathode tube.Owing to be two high-tension coils 25 of same low-voltage coil 15 couplings, therefore, can not influence the power transfer of low-voltage coil 15, and the good heat dissipation effect of two iron cores 3, be difficult for making the temperature of low-voltage coil 15 to raise.The phenomenon and when producing great short circuit current in case high-tension coil 25 is short-circuited, low-voltage coil 15 can not burn because of the anti-magnetomotive force that short circuit current produced with the circuit unit of external power source.
See also shown in Figure 9, three-dimensional exploded view for another embodiment of the utility model transformer device structure, comprise further that at least another high-tension winding frame 2, two iron cores 3 further respectively are provided with another outer projection 33 at least, the outer projection 33 of these two iron cores 3 wears from the 3rd sidewall 21 of each high-tension winding frame 2 and the 4th sidewall 22 respectively and is positioned each second hollow bulb 23.Hence one can see that, and the outer projection 33 of high-tension winding frame 2 and iron core 3 can increase on demand, still can reach above-mentioned effect.
According to above content, transformer device structure of the present utility model has following characteristics:
1, the interior raised line of two iron cores wears relatively respectively and is positioned in the spacing, and the excellent in heat dissipation effect of two iron cores, and low-voltage coil and the circuit unit that is connected in the external power source of low-voltage coil can not burnt because of the short circuit of high-tension coil.
2, the high-tension coil on two high-tension winding framves of the low-voltage coil on same low pressure drum stand coupling makes the electric current balance more of the light source of the backlight module by being connected in high-tension coil.
3, the structure unanimity of each high-tension winding frame, two iron cores are symmetrical, and need not ballast capacitor also can balanced balanced current, assembly is simplified, thereby can be reduced the cost of transformer and backlight module.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the utility model claim.
Claims (10)
1, a kind of transformer device structure is characterized in that, comprising:
One low pressure drum stand, it has first body, the first side wall and second sidewall, the described the first side wall and second sidewall are connected to the described first body two ends, described low pressure drum stand is provided with first hollow bulb and runs through described the first side wall, first body and second sidewall, twines low-voltage coil on described first body;
Two high-tension winding framves, it respectively has second body, the 3rd sidewall and the 4th sidewall, described the 3rd sidewall and the 4th sidewall are connected to the described second body two ends, each high-tension winding has been set up second hollow bulb and has been run through described the 3rd sidewall, second body and the 4th sidewall, twine high-tension coil on each second body, form spacing between the low-voltage line on first body of each high-tension coil and described low pressure drum stand; And
Two iron cores, it respectively has a base portion, one outer raised line, raised line and two outer projections in one, described outer raised line, interior raised line and two outer projections extend in the same way from described base portion, raised line is outside described outside raised line and two between the projection in described, the outer raised line of described two iron cores wears from the first side wall of described low pressure drum stand and second sidewall respectively and is positioned described first hollow bulb, the interior raised line of described two iron cores wears relatively respectively and is positioned described spacing, and the outer projection of described two iron cores wears from the 3rd sidewall of each high-tension winding frame and the 4th sidewall respectively and is positioned each second hollow bulb.
2, transformer device structure as claimed in claim 1 is characterized in that, second sidewall of described low pressure drum stand is provided with the low pressure pin, and the quantity of described low pressure pin is even numbers.
3, transformer device structure as claimed in claim 1 is characterized in that, is provided with location structure between described low pressure drum stand and described each high-tension winding frame.
4, transformer device structure as claimed in claim 3, it is characterized in that, described location structure is that the second sidewall two ends of described low pressure drum stand extend in parallel and are formed with first reference column and second reference column, described first reference column is provided with first concave point, described second reference column is provided with first salient point, the 4th sidewall two ends of described high-tension winding frame extend in parallel and are formed with the 3rd reference column and the 4th reference column, described the 3rd reference column is provided with second salient point, described the 4th reference column is provided with second concave point, wherein second group of bumps of a high-tension winding frame is located at first concave point of described first reference column, and second concave point of another high-tension winding frame is mounted on first salient point of described second reference column.
5, transformer device structure as claimed in claim 1 is characterized in that, the 4th sidewall of described high-tension winding frame is provided with the high pressure pin.
6, transformer device structure as claimed in claim 5 is characterized in that, described high pressure pin comprises wound portion and weld part.
7, transformer device structure as claimed in claim 5 is characterized in that, the 4th sidewall of described high-tension winding frame is provided with guide groove.
8, transformer device structure as claimed in claim 1, it is characterized in that, second body of described high-tension winding frame is provided with a grade wall, between each grade wall, between shelves wall and described the 3rd sidewall and form the groove position respectively between described grade of wall and described the 4th sidewall, be wound with described high-tension coil in each groove position.
9, transformer device structure as claimed in claim 1 is characterized in that, the outer raised line of described two iron cores, interior raised line and outer projection are to be cuboid.
10, transformer device structure as claimed in claim 1, it is characterized in that, further comprise another high-tension winding frame at least, described two iron cores further respectively are provided with another outer projection at least, and the outer projection of described two iron cores wears from described the 3rd sidewall of each high-tension winding frame and described the 4th sidewall respectively and is positioned each second hollow bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420005435 CN2691024Y (en) | 2004-03-02 | 2004-03-02 | Transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420005435 CN2691024Y (en) | 2004-03-02 | 2004-03-02 | Transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2691024Y true CN2691024Y (en) | 2005-04-06 |
Family
ID=34667948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420005435 Expired - Fee Related CN2691024Y (en) | 2004-03-02 | 2004-03-02 | Transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2691024Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042959B (en) * | 2006-03-21 | 2011-07-20 | 光诠科技股份有限公司 | Transformer device and circuit apparatus used for controlling transformer |
| CN103050241A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | Split type zigzag-shaped coupling transformer |
-
2004
- 2004-03-02 CN CN 200420005435 patent/CN2691024Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042959B (en) * | 2006-03-21 | 2011-07-20 | 光诠科技股份有限公司 | Transformer device and circuit apparatus used for controlling transformer |
| CN103050241A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | Split type zigzag-shaped coupling transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050406 Termination date: 20120302 |