CN202275702U - Slot winding type switching transformer - Google Patents
Slot winding type switching transformer Download PDFInfo
- Publication number
- CN202275702U CN202275702U CN2011203604537U CN201120360453U CN202275702U CN 202275702 U CN202275702 U CN 202275702U CN 2011203604537 U CN2011203604537 U CN 2011203604537U CN 201120360453 U CN201120360453 U CN 201120360453U CN 202275702 U CN202275702 U CN 202275702U
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- China
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- around
- winding
- switch transformer
- groove
- coil windings
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Abstract
The utility model provides a slot winding type switching transformer, which comprises a hollow cylindrical framework and a plurality of coil windings, wherein a plurality of pins are connected to a side end of the cylindrical framework; the periphery of the cylindrical framework is provided with a plurality of parallel spacing slots; the coil windings are independently wound in corresponding slots in parallel; an insulating baffle is arranged between every two adjacent slots; and the insulating baffle extending from an epitaxial part of the cylindrical framework is positioned to realize insulating isolation of the pins among the coil windings. Due to the adoption of multi-slot layered winding coils, isolation of an insulating tape is reduced in a slot winding mode, and the complex process for manually winding the insulating tape is reduced; and the slot winding type switching transformer can be wound through a machine only according to number of coils wound in each slot, and the switching transformer is convenient, rapid, safe and reliable.
Description
Technical field
The utility model relates to the technical field of switch transformer, refers in particular to a kind of groove around the formula switch transformer.
Background technology
All will use transformer in nearly all electronic product, we can say does not have transformer, and electronics industry can not develop into present situation.And the electronic product that relates to power unit all need be used switch transformer; Mostly the power switch transformer of China's use at present is to put down around the formula switch transformer, and its complex manufacturing technology more need be used a large amount of insulating tapes, uses between layer and the layer to exist certain defective with the insulating tape insulation effect.The more important thing is human resources in short supply now, between layer and layer, twine isolation and cause manual manufacture with insulating tape, so just had a strong impact on production efficiency and consistency of product.
Conventional flat is around the technique for coiling of formula switch transformer: according to the difference of power output, select the different line footpath of each winding, wrap acetic acid cloth on request; Near the coil holder both sides, behind first kinking on first pin, begin coiling again, in most cases; With elementary winding in two, i.e. two windings in series; Feedback winding, secondary winding and elementary winding cross-couplings reduce leakage inductance, if only each one group of feedback and secondary just are sandwiched between two windings of former limit, if elementary many groups then place indivedual secondary winding outside the winding of former limit; And flat winding around the formula switch transformer generally do not allow disorderly around, a plurality of or near the then employing of one deck close around; Be less than one deck take one deck evenly dredge around or in the centre position close around, multi cord then to carry out and around, also creepage phenomenon can not be arranged, otherwise influence leakage inductance.
Can find out from above manufacture craft flow process and since the structures shape of its skeleton its use the limitation of conductor material and the complicacy of technique for coiling.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art; Provide a kind of groove around the formula switch transformer; This switch transformer has been changed skeleton structure; The a plurality of grooves position that utilizes novel skeleton with original flat around mode change into groove around mode, groove around method can cancel and flatly use insulating tape to carry out the insulation between winding and the winding around mode, the machine production that realizes product improves production capacity and improvement has improved performance of products.
For realizing above-mentioned purpose; The technical scheme that the utility model provided is: a kind of groove is around the formula switch transformer; It includes column skeleton and a plurality of coil windings of hollow; Side at this column skeleton is connected to many pins simultaneously, and the periphery of described column skeleton is provided with a plurality of parallel interval conduits, and each coil windings is independent side by side to be wound on respectively in the corresponding conduit; And be equipped with the insulation catch between every two adjacent conduits, position the insulation that realizes pin between each coil windings through the insulation catch that column skeleton epitaxial part is stretched out and isolate.
The spacing of described each conduit is 4～7mm.
The length of the insulation catch that described column skeleton epitaxial part stretches out is 6～10mm.
Described conduit has nine.
The utility model is after having adopted such scheme; Its great advantage is that the utility model has overcome the flat in the past many defectives around the formula switch transformer, the most important thing is to adopt the multiple-grooved sandwich wound coil, need not picture flat around need manual operation behind intact each layer of coiling the formula switch transformer with insulating tape with itself and other layer isolated insulation; Because using insulating tape to isolate is interfered easily; Use groove after mode, to reduce the insulating tape isolation like this, reduced the coiling complicated procedures of forming of manual operation insulating tape, and groove only need use machine to carry out coiling by how many circles of each groove coiling around the formula switch transformer to get final product well; Convenient and swift, safe and reliable.
Description of drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the end view of the utility model.
Fig. 3 is the vertical view of the utility model.
Fig. 4 is the upward view of the utility model.
Fig. 5 is the pin bit number figure of the utility model.
Fig. 6 is the schematic diagram of the utility model.
Embodiment
Below in conjunction with specific embodiment the utility model is further specified.
Shown in accompanying drawing 1 to accompanying drawing 6; The described groove of present embodiment is around the formula switch transformer; Include column skeleton 1 and a plurality of coil windings of hollow, the side at this column skeleton 1 is connected to many pins 2 simultaneously, and the periphery of described column skeleton 1 is provided with nine parallel interval conduits 3; The spacing of each conduit 3 is 4mm; Each coil windings is independent side by side to be wound on respectively in the corresponding conduit 3, and is equipped with insulation catch 4 between every two adjacent conduits 3, isolates through the column skeleton 1 outer insulation catch 4 that extends 6mm is positioned the insulation that realizes pin between each coil windings.
Utilize the peculiar structure of above groove around the formula switch transformer; The utility model when coiling earlier with the 4th-Di seven pin of elementary winding (because five pin and six pin are what be serially connected; So six pin are empty pin) coiling in three grooves respectively; Wherein the 4th pin and the 5th pin are put into second groove, the 5th pin and the 6th pin are put into the 5th groove (be serially connected be connected on the pin of the 5th pin the end of a thread of the line tail of the 5th pin and the 6th pin), and the 6th pin and the 7th pin are put into the 7th groove; Crus secunda and tripod are that the feedback of elementary winding is put into uppermost the 9th groove around level; Sound accompaniment output voltage the 15 pin and the 16 pin of secondary output winding are put into the 4th groove; Passage output voltage the 14 pin and the tenth pin of secondary output winding are put into first groove; Field output voltage the tenth tripod, the 12 pin and the tenth pin of secondary output winding are put into first groove; And wherein secondary+B output the winding of outbalance is put in respectively in the 3rd, the 6th, the 83 groove, guarantee its power output like this; All the enamelled wire coilings good after respectively with its separately pin be connected on the pin 2, and wicking is fixed.
Groove is around the difference of formula skeleton wire gauge according to power output; Can all adopt the enamelled wire in same line footpath, need not picture flat around the formula switch transformer with elementary winding, feed back winding, secondary winding carry out the cross-couplings coiling a plurality of or near the employing of one deck close around; Be less than one deck take one deck evenly dredge around or in the centre position close around, multi cord then will carry out and around waiting these complicated technique for coiling, its need will all be arranged around getting final product.
The utility model changes many defectives of in the past putting down around the technique for coiling of formula switch transformer; The most important thing is to adopt the multiple-grooved sandwich wound coil; Need not as flat around behind intact each layer of coiling, need the formula switch transformer manual operation with insulating tape with itself and other layer isolated insulation; Because using insulating tape to isolate is interfered easily; Use groove after mode, to reduce the insulating tape isolation like this, reduced the coiling complicated procedures of forming of manual operation insulating tape, and groove only need use machine to carry out coiling by how many circles of each groove coiling around the formula switch transformer to get final product well.
The utility model utilizes its distinctive skeleton and technique for coiling to reduce distributed capacitance, reduces and disturbs; Through elementary winding, secondary winding (+B winding) are carried out the layering coiling, strengthen the coupling between winding, reduce leakage inductance; Extension insulation catch 4 through novel skeleton guarantees the isolated insulation requirement of transformer, need not to use insulating tape, improves its cost performance; Owing to do not use the insulating tape coil to be exposed in the air outward, improved the radiating effect of switch transformer, help guaranteeing its radiating effect in the environment that switch transformer uses or high temperature narrow and small in the space; Put down between formula switch transformer layer and layer and can only insulate with insulating tape; Groove then need not to use insulating tape just can accomplish safety standard around the formula switch transformer because of being put in each conduit 3 intermediate isolating.
The embodiment of the above is the preferred embodiment of the utility model only, is not the practical range that limits the utility model with this, so the variation that all shapes according to the utility model, principle are done all should be encompassed in the protection range of the utility model.
Claims (4)
1. a groove is around the formula switch transformer; It includes column skeleton (1) and a plurality of coil windings of hollow; Side at this column skeleton (1) is connected to many pins (2) simultaneously; It is characterized in that: the periphery of described column skeleton (1) is provided with a plurality of parallel interval conduits (3); Each coil windings is independent side by side to be wound on respectively in the corresponding conduit (3), and is equipped with insulation catch (4) between every adjacent two conduits (3), positions the insulation that realizes pin between each coil windings (2) through the insulation catch (4) that column skeleton (1) epitaxial part is stretched out and isolates.
2. a kind of groove according to claim 1 is characterized in that around the formula switch transformer: the spacing of described each conduit (3) is 4～7mm.
3. a kind of groove according to claim 1 is characterized in that around the formula switch transformer: the length of the insulation catch (4) that described column skeleton (1) epitaxial part stretches out is 6～10mm.
4. a kind of groove according to claim 1 is characterized in that around the formula switch transformer: described conduit (3) has nine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203604537U CN202275702U (en) | 2011-09-24 | 2011-09-24 | Slot winding type switching transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203604537U CN202275702U (en) | 2011-09-24 | 2011-09-24 | Slot winding type switching transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202275702U true CN202275702U (en) | 2012-06-13 |
Family
ID=46196046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203604537U Expired - Fee Related CN202275702U (en) | 2011-09-24 | 2011-09-24 | Slot winding type switching transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202275702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808758A (en) * | 2017-11-17 | 2018-03-16 | 海宁联丰东进电子有限公司 | Band divides the rectifier transformer of slot structure |
| CN112259361A (en) * | 2020-10-19 | 2021-01-22 | 无锡汇普电子有限公司 | Winding method for boosting electronic transformer |
-
2011
- 2011-09-24 CN CN2011203604537U patent/CN202275702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808758A (en) * | 2017-11-17 | 2018-03-16 | 海宁联丰东进电子有限公司 | Band divides the rectifier transformer of slot structure |
| CN112259361A (en) * | 2020-10-19 | 2021-01-22 | 无锡汇普电子有限公司 | Winding method for boosting electronic transformer |
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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: 20120613 Termination date: 20150924 |
|
| EXPY | Termination of patent right or utility model |