CN201466976U - Integrated high-frequency rectifier device - Google Patents
Integrated high-frequency rectifier device Download PDFInfo
- Publication number
- CN201466976U CN201466976U CN2009201041662U CN200920104166U CN201466976U CN 201466976 U CN201466976 U CN 201466976U CN 2009201041662 U CN2009201041662 U CN 2009201041662U CN 200920104166 U CN200920104166 U CN 200920104166U CN 201466976 U CN201466976 U CN 201466976U
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- winding
- rectifier
- secondary winding
- high frequency
- iron core
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Abstract
The utility model relates to an integrated high-frequency rectifier device for solving the cooling problem of a high-power DC power supply. The utility model adopts the technical scheme that the integrated high-frequency rectifier device comprises a high-frequency transformer and a rectifier, wherein the high-frequency transformer comprises an iron core, a primary winding and a secondary winding which is formed by connecting a plurality of windings in parallel in the same structure; each winding is set into two turns; the midpoint of the secondary winding is connected with an output cathode copper bar; both ends of the secondary winding are connected with the rectifier by an output anode copper bar; and diodes in the rectifier are uniformly fixed on a cooling plate and directly and fixedly connected with the output end of the secondary winding by the cooling plate. The primary winding and the secondary winding of the rectifier are formed by winding metal tubes and internally communicated with a cooling medium, thereby not only having good radiation effect, but also fully utilizing the cross section of a conductor under the condition of strong skin effect and being particularly suitable for manufacturing a high-power switching DC power supply.
Description
Technical field
The utility model relates to a kind of high frequency rectifying device that is used for high-power high-frequency switch formula DC power supply, belongs to power technique fields.
Background technology
The switching regulator DC power supply adopts compound unsteady flow mode usually, and promptly electric network source becomes direct current through over commutation earlier, becomes high-frequency alternating current through inverter again, then through high frequency transformer transformation, isolation, passes through the high-frequency rectification output DC at last.Compound unsteady flow mode adopts high frequency transformer to replace Industrial Frequency Transformer, has advantages such as volume is little, in light weight, cost is low, efficient height.
Because high frequency transformer operating frequency height (several thousand to the hundreds of KHz), skin effect of line is strong, and leakage inductance is required also relatively stricter, the annular core that existing high frequency transformer generally need adopt ferrite or crystallite or amorphous iron core material to make, lead adopts special stranded wire, the shortcoming of this structure is a relatively difficulty of transformer heat radiation, is not easy to make powerful device.In addition, the high-current leading outlet of high-power high-frequency transformer causes that easily peripheral conductor is overheated, causes existing high frequency transformer to break down with often being connected of hf rectifier.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of is easy to dispel the heat and the integral high frequency rectifying device of dependable performance.
Problem described in the utility model realizes with following technical proposals:
A kind of integral high frequency rectifying device, comprise high frequency transformer and rectifier in the formation, described high frequency transformer is made up of iron core, winding and secondary winding, described secondary winding is formed in parallel by the identical winding of a plurality of structures, each winding is provided with two circles, the winding mid point connects the output negative pole copper bar, and the winding two ends connect rectifier through the output cathode copper bar; Diode in the described rectifier all is fixed on the heating panel and through the heat radiation version directly fixedlys connected with the output of secondary winding.
Above-mentioned integral high frequency rectifying device, a described winding and secondary winding form by the metal tube coiling, are connected with coolant in the metal tube.
Above-mentioned integral high frequency rectifying device, described iron core are open type E type ferrite, crystallite or amorphous iron core.
Above-mentioned integral high frequency rectifying device, described iron core are multilayer, are provided with heat dissipation wind channel between the adjacent two layers iron core.
A winding of the present utility model and secondary winding all adopt the metal tube coiling, and interior logical coolant, good heat dissipation effect not only, and can under the very strong situation of kelvin effect, make full use of cross-sectional area of conductor; Between rectifier and the high frequency secondary winding without the lead transition, but directly welding, high-frequency alternating current adopts dc bus to draw after rectification, does not have the leakage inductance of high frequency transformer great current lead wire and because the additional heating problem that causes of interference; Iron core is provided with the wind-cooling heat dissipating air channel, can further improve radiating effect.The utility model is easy to heat radiation and dependable performance, is particularly suitable for making high power switch formula DC power supply.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Each label is among the figure: 1, iron core; 2, winding; 3, secondary winding; 4, heat dissipation wind channel; 5, rectifier; 6, coolant port; 7, output negative pole copper bar; 8, output cathode copper bar; 9, winding leads end; 10, diode.
Embodiment
Referring to Fig. 1～Fig. 3, the utility model is made high frequency transformer and is in the same place with hf rectifier 5, adopts the dc bus copper bar to draw after the rectification, does not have the leakage inductance of high frequency transformer great current lead wire and owing to disturbs the additional heating problem that causes.
High-power in order to solve, big electric current coiling problem, the winding 2 and the secondary winding 3 of high frequency transformer all adopt copper pipe or aluminum pipe coiling, its pipe thickness is selected directly related with the high-frequency inverter frequency, not only considers kelvin effect but also made full use of cross-sectional area of conductor.Winding 2 a multiturns series connection of high frequency transformer coiling, secondary winding 3 coilings in parallel, the heating panel of its end winding and hf rectifier 5 welds together, inner water flowing cooling, cooling effect is good.Winding 2 and secondary winding 3 are as close as possible fixing, select the material of E type ferrite as iron core 1 for use, have set up iron core 1 wind-cooling heat dissipating air channel 4.
This high-frequency rectification transformer operating frequency range 2000H
Z-150KH
ZThe high-frequency rectification Transformer Winding adopts water or other liquid cools; High-frequency rectification Transformer Winding exit and rectifier link together, between do not establish transition releasable connection lead, can not be split, its cooling effectiveness is greatly improved.The coolant body of secondary winding 3 flows into or outflow from the coolant port, also can introduce or draw from the middle connectivity port of winding.The winding 2 and the secondary winding 3 of high-frequency rectification transformer all are sleeved on the same iron core 1.The direction that rectifier is installed can change, and exit is anode or negative electrode.
Claims (4)
1. integral high frequency rectifying device, it is characterized in that, it comprises high frequency transformer and rectifier (5), described high frequency transformer is made up of iron core (1), a winding (2) and secondary winding (3), described secondary winding is formed in parallel by the identical winding of a plurality of structures, each winding is provided with two circles, and the winding mid point connects the output negative pole copper bar, and the winding two ends connect rectifier (5) through the output cathode copper bar; Diode in the described rectifier (10) all is fixed on the heating panel and through the heat radiation version directly fixedlys connected with the output of secondary winding (3).
2. according to the described integral high frequency rectifying device of claim 1, it is characterized in that a described winding (2) and secondary winding (3) form by the metal tube coiling, are connected with coolant in the metal tube.
3. according to claim 1 or 2 described integral high frequency rectifying devices, it is characterized in that described iron core (1) is open type E type ferrite, crystallite or amorphous iron core.
4. according to the described integral high frequency rectifying device of claim 3, it is characterized in that described iron core (1) is a multilayer, be provided with heat dissipation wind channel (4) between the adjacent two layers iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201041662U CN201466976U (en) | 2009-08-20 | 2009-08-20 | Integrated high-frequency rectifier device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201041662U CN201466976U (en) | 2009-08-20 | 2009-08-20 | Integrated high-frequency rectifier device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466976U true CN201466976U (en) | 2010-05-12 |
Family
ID=42394323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201041662U Expired - Fee Related CN201466976U (en) | 2009-08-20 | 2009-08-20 | Integrated high-frequency rectifier device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466976U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872927A (en) * | 2014-04-02 | 2014-06-18 | 四川英杰电气股份有限公司 | High-frequency voltage transformation and rectification integrated device |
| CN103973133A (en) * | 2014-04-04 | 2014-08-06 | 华南理工大学 | Full-water-cooling high-frequency power transformer and secondary rectifying module structure |
| CN106415966A (en) * | 2014-05-28 | 2017-02-15 | 西门子公司 | Device for conducting electrical direct current |
| CN109643600A (en) * | 2016-08-25 | 2019-04-16 | 西门子股份公司 | Coil device |
-
2009
- 2009-08-20 CN CN2009201041662U patent/CN201466976U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872927A (en) * | 2014-04-02 | 2014-06-18 | 四川英杰电气股份有限公司 | High-frequency voltage transformation and rectification integrated device |
| CN103973133A (en) * | 2014-04-04 | 2014-08-06 | 华南理工大学 | Full-water-cooling high-frequency power transformer and secondary rectifying module structure |
| CN106415966A (en) * | 2014-05-28 | 2017-02-15 | 西门子公司 | Device for conducting electrical direct current |
| US9882367B2 (en) | 2014-05-28 | 2018-01-30 | Siemens Aktiengesellschaft | Device for conducting electrical direct current |
| CN106415966B (en) * | 2014-05-28 | 2019-07-05 | 西门子公司 | For guiding the device of DC current |
| CN109643600A (en) * | 2016-08-25 | 2019-04-16 | 西门子股份公司 | Coil device |
| US11443882B2 (en) | 2016-08-25 | 2022-09-13 | Siemens Aktiengesellschaft | Coil device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAODING SIFANG SANYI ELECTRIC CO.,LTD. Free format text: FORMER OWNER: SHI XINCHUN Effective date: 20130104 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130104 Address after: 071051 No. 1968 Xiangyang North Street, Hebei, Baoding Patentee after: BAODING SIFANGSANYI ELECTRIC CO., LTD. Address before: Hebei province Baoding City Xiangyang North 071051 Street No. 1968 Baoding three Fangchang Electric Power Electronics Co. Ltd. Patentee before: Shi Xinchun |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20170820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |