CN202977117U - Transformer - Google Patents
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- CN202977117U CN202977117U CN 201220590744 CN201220590744U CN202977117U CN 202977117 U CN202977117 U CN 202977117U CN 201220590744 CN201220590744 CN 201220590744 CN 201220590744 U CN201220590744 U CN 201220590744U CN 202977117 U CN202977117 U CN 202977117U
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Abstract
The utility model relates to a transformer, which comprises a first conductor, a second conductor and a magnetic core, wherein the first conductor and the second conductor are respectively provided with a first through hole and a second through hole, the magnetic core passes through the first through hole and the second through hole, the first conductor and the second conductor are in an electromagnetic coupling state, the second conductor comprises at least one multilayer conducting sheet, and the multilayer conducting sheet is formed by a plurality of single-layer conducting sheets through serial connection and/or parallel connection. Because the single-layer conducting sheets can be in serial connection, can also be in parallel connection, can also be simultaneously in serial and parallel connection, and can be used in various voltage and current environments, the application range of the transformer is expanded, in addition, the single-layer conducting sheets are in serial connection and/or parallel connection and are directly connected with a circuit board, and the heat radiation performance of the transformer is improved.
Description
Technical field
The utility model relates to electronic technology field, relates in particular to a kind of transformer.
Background technology
More and more higher in the power density requirement, heat radiation requires more and more harsher today, and the result of use of traditional transformer is had a greatly reduced quality, and flat surface transformer is little with its volume, and the advantage of perfect heat-dissipating is more and more extensive in high power switching power supply field application.In prior art, flat surface transformer is comprised of the first conductor and the second conductor, and the conducting strip of the second conductor is the U-shaped structure, carries out only parallel connection, can not connect, and causes the application of flat surface transformer to be restricted; For addressing this problem, a kind of multilayer winding copper sheet structure is also proposed in prior art, this structure has a plurality of individual layer conducting strips to be in series, every layer of conducting strip arranges a turning point, every layer of conducting strip is connected by the turning point, and this multilayer winding copper sheet structure is formed in one, complex process, and in the different electrical power topological structure, application is restricted, and range of application is narrower; Coil due to this transformer in prior art directly contacts with magnetic core with conducting strip simultaneously, can have the problem of short circuit and safety.
The utility model content
Main purpose of the present utility model is to provide a kind of transformer, is intended to improve the popularity of the application of transformer.
A kind of transformer, comprise the first conductor, the second conductor and magnetic core, described the first conductor and the second conductor are respectively arranged with the first perforation and second perforation of passing for magnetic core, described the first conductor and the second conductor electromagnetic coupled, it is characterized in that, described the second conductor comprises at least one multilayer conductive sheet, and described multilayer conductive sheet is connected and/or is formed in parallel by a plurality of individual layer conducting strips.
Preferably, described individual layer conducting strip top and end are provided with a plurality of pins, are provided with the gap between described top and end, and when described a plurality of individual layer conducting strip series connection and/or parallel connection, the second perforation of described a plurality of individual layer conducting strips overlaps.
Preferably, described conducting strip is copper sheet.
Preferably, described the first conductor comprises at least one multi-layer helical insulated coil, and described multi-layer helical insulated coil is connected and/or is formed in parallel by a plurality of individual layer spiral insulated coils.
Preferably, described the first conductor comprises a plurality of multi-layer helical insulated coils, series connection and/or in parallel between described a plurality of multi-layer helical insulated coils; Described the second conductor comprises a plurality of multilayer conductive sheets, series connection and/or in parallel between described a plurality of multilayer conductive sheets; Described multi-layer helical insulated coil and multilayer conductive sheet are arranged alternately.
Preferably, also comprise skeleton, described skeleton comprises the first insulation board and the second insulation board, on described the first insulation board, a central shaft is set, described central shaft is hollow structure, is provided with through hole on described the second insulation board, and described central shaft passes described the first perforation and the second perforation, described magnetic core passes and passes successively described through hole and hollow structure, and described the first conductor and the second conductor are fixed between described the first insulation board and the second insulation board.
Preferably, the top of described the first conductor and end are welded on the circuit board that described transformer is installed.Preferably, a fixed mount is set on described skeleton, is provided with at least one installing hole on described fixed mount, the initiating terminal of described the first conductor is connected described installing hole and is connected with the circuit board that described transformer is installed with end.
Preferably, described position of mounting hole arranges a stitch, and the top of described the first conductor is connected described stitch and is connected with described circuit board with end.
The transformer that the utility model proposes comprises the first conductor and the second conductor, and the second conductor comprises a plurality of multilayer conductive sheets, and a plurality of multilayer conductive sheets are connected and/or are formed in parallel by a plurality of individual layer conducting strips.Can connect also can be in parallel due to the individual layer conducting strip, can be applicable to the situation of multiple voltage and electric current, improved the popularity of transformer application, because the multilayer conductive sheet is connected and/or is formed in parallel by a plurality of individual layer conducting strips, and be connected with the direct circuit plate, improved the heat dispersion of transformer.
Description of drawings
Fig. 1 is the exploded perspective view of the preferred embodiment of the utility model transformer;
Fig. 2 is the schematic diagram of the individual layer conducting strip of the utility model transformer;
Fig. 3 is the schematic diagram in parallel of the multi-layer helical insulated coil of the utility model transformer;
This utility model of Fig. 4 transformer framework structure schematic diagram;
Fig. 5 is the connection diagram of the utility model transformer and circuit board;
Fig. 6 is the schematic perspective view of another embodiment of the utility model transformer;
Fig. 7 is the schematic perspective view that another embodiment of the utility model transformer is provided with stitch.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Be described further with regard to the technical solution of the utility model below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 7, Fig. 1 is the exploded perspective view of the preferred embodiment of the utility model transformer, Fig. 2 is the schematic diagram of the individual layer conducting strip of the utility model transformer, Fig. 3 is the schematic diagram in parallel of the multi-layer helical insulated coil of the utility model transformer, and Fig. 4 is the utility model transformer framework structure schematic diagram; Fig. 5 is the connection diagram of the utility model transformer and circuit board; Fig. 6 is the schematic perspective view of another embodiment of the utility model transformer, and Fig. 7 is the schematic perspective view that another embodiment of the utility model transformer is provided with stitch.
With reference to Fig. 1, the transformer that the present embodiment proposes, comprise the first conductor and the second conductor, the first conductor and the second conductor electromagnetic coupled, the first conductor and the second conductor are provided with first perforation the 111 and second perforation 211, magnetic core 300 passes first perforation the 111 and second perforation 211, the second conductors and comprises at least one multilayer conductive sheet 200, and this multilayer conductive sheet 200 is connected and/or is formed in parallel by a plurality of individual layer conducting strips 210.
In the present embodiment, the second conductor is arranged to multilayer conductive sheet 200, strengthened the electromagnetic coupled between the first conductor and the second conductor, and multilayer conductive sheet 200 is the fin of winding and transformer, increased its area of dissipation, heat radiation is better, and has reduced dc impedance and the AC impedance of the second conductor.
Multilayer conductive sheet 200 can and/or be formed in parallel by a plurality of individual layer conducting strip 210 series connection in the present embodiment, can be applicable to the situation of multiple electric current and voltage, be widely used, because multilayer conductive sheet 200 is connected and/or is formed in parallel by a plurality of individual layer conducting strips 210, and directly be connected with circuit board 500, improved the heat dispersion of transformer.
In the present embodiment, individual layer conducting strip 210 tops 212 and end 213 are provided with a plurality of pins 214, and when a plurality of individual layer conducting strip 210 series connection and/or parallel connection, the perforation of second on these a plurality of individual layer conducting strips 210 211 overlaps.Top and end at individual layer conducting strip 210 are provided with a plurality of pins 214, in multilayer conductive sheet 200, the number of individual layer conducting strip 210 preferably is set to even number in the present embodiment, and the individual number average of the pin 214 on individual layer conducting strip 210 on top 212 and end 213 preferably is set to two.The second conductor dbus is crossed a plurality of pins 214 and is connected with circuit board 500, electric current on the second conductor is divided into multichannel to be flowed in circuit board 500, prevent that electric current is too concentrated, and the second conductor dbus is crossed a plurality of pins 214 and circuit board 500, and to be connected area of dissipation larger, heat radiation better, be convenient to welding, after a plurality of pins 214 insert circuit board, transformer had certain supporting role.
In the present embodiment, the upper individual layer conducting strip 210 of the second conductor is copper sheet.Copper sheet conductivity and thermal diffusivity are all better.
In the present embodiment, the first conductor comprises at least one multi-layer helical insulated coil 100, and multi-layer helical insulated coil 100 is connected and/or is formed in parallel by a plurality of individual layer spiral insulated coils 110.
With a plurality of individual layer spiral insulated coils 110 multi-layer helical insulated coil 100 that forms in parallel, when increasing by the first conductor winding, reduced direct current and the AC impedance of the first conductor, and strengthened the electromagnetic coupled between the first conductor and the second conductor.With a plurality of individual layer spiral insulated coil 210 series connection and/or in parallel, can be applicable to the multiple power sources topological structure, improved the popularity of transformer application.
In the present embodiment, the first conductor comprises a plurality of multi-layer helical insulated coils 100, and 100 series connection of a plurality of multi-layer helical insulated coil and/or in parallel; The second conductor comprises a plurality of multilayer conductive sheets 200, and 200 series connection of a plurality of multilayer conductive sheet and/or in parallel; Multi-layer helical insulated coil 100 and multilayer conductive sheet 200 are arranged alternately.
Multi-layer helical insulated coil 100 and multilayer conductive sheet 200 are arranged alternately, different environments for use is different to the requirement of transformer, according to different voltage and current requirements, between a plurality of multi-layer helical insulated coils 100 connected mode different, can connect also can be in parallel, and the connected mode that a plurality of multilayer conductive sheets are 200 is also different, can realize serial or parallel connection on circuit board.
In the present embodiment, transformer also comprises skeleton 400, skeleton 400 comprises the first insulation board 410 and the second insulation board 420, wherein on the first insulation board 410, a central shaft 430 is set, central shaft 430 is hollow structure, be provided with through hole 440 on the second insulation board 420, central shaft 430 passes first perforation the 111 and second perforation 211, magnetic core 300 passes the hollow structure of through hole 440 and central shaft 430 successively, and the first conductor and the second conductor are fixed between first insulation board 410 and the second insulation board 420 of skeleton 400.
The first conductor and the second conductor all are fixed on skeleton 400, rather than directly contact with magnetic core 300, have improved security performance and the stability of transformer.And skeleton 400 is that the first conductor and the second conductor provide support, and assembly precision is higher, has improved the coupling performance of the first conductor and the second conductor.
In the present embodiment, the top of the first conductor and end are welded on the circuit board 500 that transformer is installed.
As shown in Figure 6, another embodiment of the utility model is proposed, its improvement is, one fixed mount 450 is set on skeleton 400, the top that is provided with at least one installing hole 451, the first conductors on fixed mount 450 is connected installing hole 451 and is connected with the circuit board 500 that transformer is installed with end, installing hole 451 preferably is set to two in the present embodiment, the top of the first conductor and end pass respectively corresponding installing hole 451, are fixed on circuit board 500.
The top of the first conductor is connected fixed mount 450 to be connected with circuit board 500 with end, top and the end of the first conductor can be fixed, prevent that transformer from use contacting with end and cause its short circuit in the top of the first conductor, or in use the top of the first conductor and end by deviating from circuit board 500, improve the security performance of transformer.
As shown in Figure 7, top that one stitch 452, the first conductors are set, 451 positions of the installing hole on fixed mount 450 is connected stitch 452 and is connected with circuit board 500 with end.The top of the first conductor is connected stitch 452 is connected with circuit board 500 with end, not only be easy to be welded on circuit board 500, improved the automatization level of transformer assembling, and transformer is had certain supporting role.
The above is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (9)
1. transformer, comprise the first conductor, the second conductor and magnetic core, described the first conductor and the second conductor are respectively arranged with the first perforation and second perforation of passing for magnetic core, described the first conductor and the second conductor electromagnetic coupled, it is characterized in that, described the second conductor comprises at least one multilayer conductive sheet, and described multilayer conductive sheet is connected and/or is formed in parallel by a plurality of individual layer conducting strips.
2. transformer according to claim 1, is characterized in that, the top of described individual layer conducting strip and end are provided with a plurality of pins, and when described a plurality of individual layer conducting strip series connection and/or parallel connection, the second perforation of described a plurality of individual layer conducting strips overlaps.
3. transformer according to claim 2, described individual layer conducting strip is copper sheet.
4. transformer according to claim 2, is characterized in that, described the first conductor comprises at least one multi-layer helical insulated coil, and described multi-layer helical insulated coil is connected and/or is formed in parallel by a plurality of individual layer spiral insulated coils.
5. transformer according to claim 4, is characterized in that, described the first conductor comprises a plurality of multi-layer helical insulated coils, series connection and/or in parallel between described a plurality of multi-layer helical insulated coils; Described the second conductor comprises a plurality of multilayer conductive sheets, series connection and/or in parallel between described a plurality of multilayer conductive sheets; Described multi-layer helical insulated coil and multilayer conductive sheet are arranged alternately.
6. require 1 to the 4 described transformer of any one according to the power example, it is characterized in that, also comprise skeleton, described skeleton comprises the first insulation board and the second insulation board, wherein the first insulation board arranges a central shaft, central shaft is hollow structure, be provided with through hole on the second insulation board, described central shaft passes described the first perforation and the second perforation, described magnetic core passes and passes successively described through hole and hollow structure, and described the first conductor and the second conductor are fixed between first insulation board and the second insulation board of described skeleton.
7. transformer according to claim 6, is characterized in that, the top of described the first conductor and end are welded on the circuit board that described transformer is installed.
8. transformer according to claim 6, is characterized in that, is provided with a fixed mount on described skeleton, is provided with at least one installing hole on described fixed mount, and the top of described the first conductor is connected described installing hole and is connected with described circuit board with end.
9. transformer according to claim 8, is characterized in that, at described lead to the hole site, one stitch is set, and the top of described the first conductor is connected described stitch and is connected with described circuit board with end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220590744 CN202977117U (en) | 2012-11-09 | 2012-11-09 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220590744 CN202977117U (en) | 2012-11-09 | 2012-11-09 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202977117U true CN202977117U (en) | 2013-06-05 |
Family
ID=48518161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220590744 Expired - Lifetime CN202977117U (en) | 2012-11-09 | 2012-11-09 | Transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202977117U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578898A (en) * | 2017-09-29 | 2018-01-12 | 东翔电子（东莞）有限公司 | A kind of transformer framework of built-in multilayer circuit and preparation method thereof |
| CN109036769A (en) * | 2017-06-08 | 2018-12-18 | 台达电子企业管理（上海）有限公司 | Magnetic element and vehicle power module with it |
| CN109616307A (en) * | 2019-01-29 | 2019-04-12 | 深圳市航嘉驰源电气股份有限公司 | A kind of manufacturing method and installation method of transformer |
| TWI762126B (en) * | 2020-12-29 | 2022-04-21 | 群光電能科技股份有限公司 | Power converting module |
| US11842838B2 (en) | 2017-06-08 | 2023-12-12 | Delta Electronics (Shanghai) Co., Ltd. | Magnetic component |
-
2012
- 2012-11-09 CN CN 201220590744 patent/CN202977117U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036769A (en) * | 2017-06-08 | 2018-12-18 | 台达电子企业管理（上海）有限公司 | Magnetic element and vehicle power module with it |
| US11842838B2 (en) | 2017-06-08 | 2023-12-12 | Delta Electronics (Shanghai) Co., Ltd. | Magnetic component |
| CN107578898A (en) * | 2017-09-29 | 2018-01-12 | 东翔电子（东莞）有限公司 | A kind of transformer framework of built-in multilayer circuit and preparation method thereof |
| CN109616307A (en) * | 2019-01-29 | 2019-04-12 | 深圳市航嘉驰源电气股份有限公司 | A kind of manufacturing method and installation method of transformer |
| CN109616307B (en) * | 2019-01-29 | 2024-04-30 | 深圳市航嘉驰源电气股份有限公司 | Manufacturing method and installation method of transformer |
| TWI762126B (en) * | 2020-12-29 | 2022-04-21 | 群光電能科技股份有限公司 | Power converting module |
| US12354783B2 (en) | 2020-12-29 | 2025-07-08 | Chicony Power Technology Co., Ltd. | Power conversion module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |