CN203966797U - A kind of TV switch transformer - Google Patents
A kind of TV switch transformer Download PDFInfo
- Publication number
- CN203966797U CN203966797U CN201420383368.6U CN201420383368U CN203966797U CN 203966797 U CN203966797 U CN 203966797U CN 201420383368 U CN201420383368 U CN 201420383368U CN 203966797 U CN203966797 U CN 203966797U
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- winding
- section
- lead division
- deck
- sides
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Abstract
The utility model discloses a kind of TV switch transformer, it comprises coil rack, and coil rack comprises winding section lead division; Coiling one deck input winding on winding section, after its outer wrap one deck insulating tape, coiling one deck is exported winding again, output winding outer wrap one deck insulating tape; Inside, winding section is provided with cavity, and magnetic core is E type structure, and the external part in the middle of it inserts in the cavity of winding section, and the external part of both sides is by input winding and export winding around getting up; Both sides, top, winding section are provided with winding head buttock line and draw ditch, and it is to be formed by the gap between paired projection that winding head buttock line is drawn ditch, and the line end to end of each winding is drawn ditch by line end to end separately and is connected to respectively the leading foot being arranged on lead division; The end face of described lead division is provided with multiple wire lead slots; Leading foot is L shaped, and stretch out from lead division both sides its one end, and the other end stretches out from lead division end face.
Description
Technical field
The utility model relates to electronic component technology field, is specifically related to a kind of TV switch transformer.
Background technology
Along with the lightening development of TV, for switch transformer for TV, its flattening becomes trend, existing TV is generally divided into two parts by coil rack with switch transformer, on two parts, winding and output winding are inputted in coiling respectively, this structure makes transformer leakage inductance bigger than normal, and coupling performance is poor; Meanwhile, the leading foot structure of existing switch transformer causes draws pin and directly welds formation pad, thereby transformer thickness increases, be unfavorable for flattening, affect the problem that also has winding construction of switch transformer flattening development, the wrapped repeatedly crossover of lead-out wire of existing many groups, does not have fixing winding displacement passage, therefore makes line bag height increase.
Summary of the invention
Technical problem to be solved in the utility model is, for above-mentioned deficiency of the prior art, to provide a kind of TV switch transformer, and it is flattening more, and leakage inductance is little simultaneously, and coupling effect is good, good insulation preformance.
The utility model solves the technical scheme that its technical problem adopts: a kind of TV switch transformer, comprises coil rack, the winding section in the middle of described coil rack comprises and the lead division of both sides; On winding section, first coiling one deck is inputted winding, and after input winding outer wrap one deck insulating tape, coiling one deck is exported winding again, the outside parcel equally of output winding one deck insulating tape;
Inside, described winding section is provided with cavity, and the cross section of described winding section is flat rectangle, and magnetic core is E type structure, and the external part in the middle of it inserts in the cavity of winding section, and the external part of both sides is by input winding and export winding around getting up;
Both sides, top, described winding section are provided with winding head buttock line and draw ditch, and it is to be formed by the gap between paired projection that winding head buttock line is drawn ditch, and the line end to end of each winding is drawn ditch by line end to end separately and is connected to respectively the leading foot being arranged on lead division; The end face of described lead division is provided with multiple wire lead slots;
Above-mentioned leading foot is L shaped, and its cross section is flat, and stretch out from lead division both sides its one end, and the other end stretches out from lead division end face.
One as above-mentioned insulating tape is preferred, and described insulating tape is epoxy adhesive tape.
As a kind of embodiment of above-mentioned input winding and output winding, described input winding and output winding are enamelled wire, and this enamelled wire comprises twisted wire and sleeve pipe.
A kind of TV switch transformer described in the utility model, it has the following advantages:
The utility model TV switch transformer, directly overlaps input winding and output winding, and is isolated and insulated by insulating tape, and the leakage inductance of switch transformer is reduced, and coupling effect is good, meanwhile, the utility model TV is flat structure with the coil rack of switch transformer, on it, be provided with winding head buttock line and draw ditch, realize evenly arranging of the each winding of switch transformer with this, while avoiding winding the line, rise, tail head juxtaposition, thereby reduce the height of coil body, the utility model also makes welding position be arranged on the transformer side of leading foot by the L shaped leading foot of flat, can avoid so directly welding leading foot bottom part and increase transformer total height, do not affect again the installation of E type magnetic core, thereby further reduce the thickness of transformer.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of a kind of embodiment of the present utility model, coiling not on its coil rack;
Fig. 2 is the decomposition texture schematic diagram of coil rack winding section and magnetic core.
Description of reference numerals:
1-magnetic core, 2-winding section, 3-lead division, 4-leading foot, 5-wire lead slot, 6-winding head buttock line is drawn ditch, 7-magnetic core plug-in mounting cavity.
Embodiment
Below in conjunction with drawings and Examples, the utility model embodiment is described:
Fig. 1 and Fig. 2 show a kind of embodiment of the present utility model, and as shown in the figure, a kind of TV switch transformer of the utility model, comprises coil rack, the winding section 2 in the middle of described coil rack comprises and the lead division 3 of both sides; On winding section 2, first coiling one deck is inputted winding, and after input winding outer wrap one deck insulating tape, coiling one deck is exported winding again, the outside parcel equally of output winding one deck insulating tape;
2 inside, described winding section are provided with cavity, and the cross section of described winding section is flat rectangle, and magnetic core 1 is E type structure, and the external part in the middle of it inserts in the cavity of winding section 2, and the external part of both sides is by input winding and export winding around getting up;
2 both sides, top, described winding section are provided with winding head buttock line and draw ditch 6, and it is to be formed by the gap between paired projection that winding head buttock line is drawn ditch, and the line end to end of each winding is drawn ditch by line end to end separately and is connected to respectively the leading foot 4 being arranged on lead division 3; The end face of described lead division 3 is provided with multiple wire lead slots 5;
Above-mentioned leading foot 4 is L shaped, and its cross section is flat, and stretch out from lead division both sides its one end, and the other end stretches out from lead division end face.
Preferably, above-mentioned insulating tape is epoxy adhesive tape.
Preferably, above-mentioned input winding and output winding are enamelled wire, and this enamelled wire comprises twisted wire and sleeve pipe.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.
Do not depart from design of the present utility model and scope and can make many other changes and remodeling.
Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.
Claims (3)
1. a TV switch transformer, is characterized in that: comprise coil rack, the winding section (2) in the middle of described coil rack comprises and the lead division (3) of both sides; On winding section (2), first coiling one deck is inputted winding, and after input winding outer wrap one deck insulating tape, coiling one deck is exported winding again, the outside parcel equally of output winding one deck insulating tape;
Inside, described winding section (2) is provided with cavity, the cross section of described winding section is flat rectangle, magnetic core (1) is E type structure, and the external part in the middle of it inserts in the cavity of winding section (2), and the external part of both sides is by input winding and export winding around getting up;
Both sides, top, described winding section (2) are provided with winding head buttock line and draw ditch (6), it is to be formed by the gap between paired projection that winding head buttock line is drawn ditch, and the line end to end of each winding is drawn ditch by line end to end separately and is connected to respectively the leading foot (4) being arranged on lead division (3); The end face of described lead division (3) is provided with multiple wire lead slots (5);
Above-mentioned leading foot (4) is L shaped, and its cross section is flat, and stretch out from lead division both sides its one end, and the other end stretches out from lead division end face.
2. a kind of TV switch transformer as claimed in claim 1, is characterized in that: described insulating tape is epoxy adhesive tape.
3. a kind of TV switch transformer as claimed in claim 1 or 2, is characterized in that: described input winding and output winding are enamelled wire, and this enamelled wire comprises twisted wire and sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420383368.6U CN203966797U (en) | 2014-07-12 | 2014-07-12 | A kind of TV switch transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420383368.6U CN203966797U (en) | 2014-07-12 | 2014-07-12 | A kind of TV switch transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966797U true CN203966797U (en) | 2014-11-26 |
Family
ID=51927350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420383368.6U Expired - Fee Related CN203966797U (en) | 2014-07-12 | 2014-07-12 | A kind of TV switch transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203966797U (en) |
-
2014
- 2014-07-12 CN CN201420383368.6U patent/CN203966797U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |