CN202384987U - Magnetic integration device - Google Patents
Magnetic integration device Download PDFInfo
- Publication number
- CN202384987U CN202384987U CN2011205707519U CN201120570751U CN202384987U CN 202384987 U CN202384987 U CN 202384987U CN 2011205707519 U CN2011205707519 U CN 2011205707519U CN 201120570751 U CN201120570751 U CN 201120570751U CN 202384987 U CN202384987 U CN 202384987U
- Authority
- CN
- China
- Prior art keywords
- winding
- magnetic
- mode inductance
- integration apparatus
- mode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Filters And Equalizers (AREA)
Abstract
The utility model discloses a magnetic integration device, relating to rectification filtering and EMC (Electro Magnetic Compatibility) filtering. The magnetic integration device comprises a pair of EE-type magnetic cores, common-mode inductive windings wound on central columns of the EE-type magnetic cores and differential-mode inductive windings wound on two side columns of the EE-type magnetic cores, wherein the common-mode inductive windings are wound in an in-phase manner, the dotted terminals of the first differential-mode inductive winding and the first common-mode inductive winding are connected, the synonym terminals of the second differential-mode inductive winding and the second common-mode inductive winding are connected, and the central columns are provided with air gaps. According to the magnetic integration device disclosed by the utility model, the pair of EE-type magnetic cores is used to replace the traditional iron-silicon-aluminum magnetic rings, and two windings are placed in the EE-type magnetic cores to realize differential-mode filtering and common-mode filtering to be mainly applied in high-power occasions, so that the volume miniaturization of a filter device is realized and the cost is reduced. The magnetic integration device disclosed by the utility model is simple in structure since the differential-mode windings and the common-mode windings can be achieved only by the two windings.
Description
Technical field
The utility model relates to a kind of rectifying and wave-filtering and EMC filtering, particularly a kind of magnetic integration apparatus.
Background technology
Along with the development of power electronic technology, all basically electronic equipments and the power supply of electronic system all adopt high frequency switch power.Several aspects development such as high frequency switch power is just little towards volume now, efficient is high, reliability is high, integrated level height.The power line of electronic system can either also can be delivered to power consumption equipment with interference simultaneously with electrical energy transfer to power consumption equipment, and the interference model of power consumption equipment also can influence power-supply system conversely.The interference of the output of power supply mainly contains: the DM EMI between the power line, power line are to the common mode disturbances of the earth.
In order to suppress DM EMI, need differential mode inductance Ld and differential mode capacitor Cd to form pi type filter, filter out the DM EMI of power supply to power consumption equipment, also suppress the DM EMI of power consumption equipment simultaneously to power supply; In order to suppress common mode disturbances, need common mode inductance Lc and common mode capacitor C c to form filter, pass interference to suppress the power supply biography to power consumption equipment and power consumption equipment to power-supply system.Traditional filter implementation be rectifier diode through connecing a filter inductance, connect a common mode inductance after the filtering to realize inhibition to common mode disturbances, its schematic diagram is seen Fig. 1.But its cost is higher, equipment volume is excessive, makes when using power supply extremely inconvenient.
The utility model content
The purpose of the utility model is: the problems referred to above to existing in the prior art provide a kind of cost magnetic integration apparatus lower, simple in structure.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of magnetic integration apparatus; Comprise a secondary EE type magnetic core, the common mode inductance winding on the EE type core center post and the differential mode inductance winding on the EE type magnetic core two side columns; The common mode inductance winding adopts the homophase coiling; The first differential mode inductance winding L d1 is connected with first common mode inductance winding L c1 end of the same name, and the second differential mode inductance winding L d2 links to each other with the different name end of the second common mode inductance winding L c2, has air gap separation on the newel.Newel adds air gap and adjusts differential mode inductance amount and common mode inductance value.Said magnetic integration apparatus replaces traditional Sendust Cores with a secondary EE magnetic core, has realized the miniaturization of filtering device volume, has reduced cost.
As the preferred version of the utility model, in the above-mentioned magnetic integration apparatus, the coil winding of said common mode winding is on the newel of EE type magnetic core, and the coil of said differential mode winding is wound on respectively on the lateral column of EE type magnetic core.Since coiling can from lateral column around to the process of newel, changing the direction of winding of inductance winding easily, so do not need centre tap, be convenient to produce.
As the preferred version of the utility model, in the above-mentioned magnetic integration apparatus, said first differential mode inductance winding L d1 and the shared winding of the first common mode inductance winding L c1.Said second differential mode inductance winding L d2 and the shared winding of the second common mode inductance winding L c2.
As the preferred version of the utility model, in the above-mentioned magnetic integration apparatus, the winding coil of said magnetic integration apparatus is for having shaped framework coil or exoskeletal coil.
As the preferred version of the utility model, in the above-mentioned magnetic integration apparatus, the mounting means of said magnetic integration apparatus is horizontal or vertical.Said magnetic integration apparatus production technology is simple, flexible for installation.
In sum, owing to adopted technique scheme, the beneficial effect of the utility model is:
1, because the utility model magnetic integration apparatus replaces traditional Sendust Cores with a secondary EE magnetic core; In the EE magnetic core, place two winding coils and realize that differential mode filtering and common mode filtering are mainly used in large-power occasions; Realize the miniaturization of filtering device volume, reduced cost.
2, since the utility model magnetic integration apparatus coiling can from side column around to the process of center pillar, changing the direction of winding of wire-wound inductor easily, so do not need centre tap, be convenient to produce.
3, because the utility model magnetic integration apparatus just can be realized differential mode winding and common mode winding with two windings, simple in structure.
4, because the mounting means of the utility model magnetic integration apparatus is horizontal or vertical.Said magnetic integration apparatus production technology is simple, flexible for installation.
5, the utility model magnetic integration apparatus is widely used, and can be applied to all isolated form power supplies basically.
Description of drawings
Fig. 1 is traditional filter implementation principle schematic.
Fig. 2 is the integrated winding sketch map of the magnetic of the utility model magnetic integration apparatus.
Fig. 3 is the integrated output filtering of the magnetic of a utility model magnetic integration apparatus sketch map.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment 1
A kind of magnetic integration apparatus; As shown in Figure 2; Comprise a secondary EE type magnetic core, the common mode inductance winding on the EE type core center post and the differential mode inductance winding on the EE type magnetic core two side columns; The common mode inductance winding adopts the homophase coiling, and the first differential mode inductance winding L d1 is connected with first common mode inductance winding L c1 end of the same name, and the second differential mode inductance winding L d2 links to each other with the different name end of the second common mode inductance winding L c2; Have air gap separation δ on the newel, air gap separation δ is used to adjust differential mode inductance amount and common mode inductance value.Said magnetic integration apparatus replaces traditional Sendust Cores with a secondary EE magnetic core, has realized the miniaturization of filtering device volume, has reduced cost.Said first differential mode inductance winding L d1 and the shared winding of the first common mode inductance winding L c1.Said second differential mode inductance winding L d2 and the shared coiling of the second common mode inductance winding L c2.The coil winding of said common mode winding is on the newel of EE type magnetic core; The coil of said differential mode winding is wound on respectively on the lateral column of EE type magnetic core; Since from lateral column around the direction of winding that to the process of newel, can change the inductance winding easily; So do not need centre tap, be convenient to produce.
As shown in Figure 3, Cx is differential mode capacitor (an X electric capacity), and Cy is common mode capacitance (a Y electric capacity), and T is a transformer, and D is a diode.Form differential mode filtering by Ld1 and Ld2 and Cx, Ld1 and Ld2 and Cy form power filter.When DM EMI was exported, Ld1 and the inductance that Ld2 is equivalent to connect difference mode signal is produced inhibition, and Lc1 and Lc2 can not work to difference mode signal; When common mode disturbances; The magnetic flux that common mode disturbances produces in Ld1 and Ld2 is cancelled out each other; So Ld1 and Ld2 are inoperative to common-mode signal, when common mode disturbances was passed through common mode inductance, the magnetic flux that in Lc1 and Lc2, produces strengthened each other; Common mode disturbances is shown as great induction reactance, so can effectively suppress common mode disturbances.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (6)
1. magnetic integration apparatus; It is characterized in that; Said magnetic integration apparatus comprises a secondary EE type magnetic core, the common mode inductance winding on the EE type core center post and the differential mode inductance winding on the EE type magnetic core two side columns, and the common mode inductance winding adopts the homophase coiling, and the first differential mode inductance winding (Ld1) is connected with the first common mode inductance winding (Lc1) end of the same name; The second differential mode inductance winding (Ld2) links to each other with the different name end of the second common mode inductance winding (Lc2), has air gap separation on the newel.
2. magnetic integration apparatus according to claim 1 is characterized in that, the coil winding of said common mode winding is on the newel of EE type magnetic core, and the coil of said differential mode winding is wound on respectively on the lateral column of EE type magnetic core.
3. magnetic integration apparatus according to claim 2 is characterized in that, said first differential mode inductance winding (Ld1) and the shared winding of the first common mode inductance winding (Lc1).
4. magnetic integration apparatus according to claim 3 is characterized in that, said second differential mode inductance winding (Ld2) and the shared winding of the second common mode inductance winding (Lc2).
5. magnetic integration apparatus according to claim 4 is characterized in that, the winding coil of said magnetic integration apparatus is for having shaped framework coil or exoskeletal coil.
6. magnetic integration apparatus according to claim 5 is characterized in that, the mounting means of said magnetic integration apparatus is horizontal or vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205707519U CN202384987U (en) | 2011-12-31 | 2011-12-31 | Magnetic integration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205707519U CN202384987U (en) | 2011-12-31 | 2011-12-31 | Magnetic integration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384987U true CN202384987U (en) | 2012-08-15 |
Family
ID=46633458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205707519U Expired - Fee Related CN202384987U (en) | 2011-12-31 | 2011-12-31 | Magnetic integration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384987U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015024376A1 (en) * | 2013-08-21 | 2015-02-26 | 华为技术有限公司 | Voltage converter and common-mode noise impedance adjusting method |
| CN105719785A (en) * | 2014-12-04 | 2016-06-29 | 深圳振华富电子有限公司 | Inductor assembly and manufacturing method therefor |
| CN106856140A (en) * | 2015-12-09 | 2017-06-16 | 乐金电子研发中心(上海)有限公司 | The common mode differential mode integrated inductor of bimag spatially interlaced arrangement |
| CN110379601A (en) * | 2019-07-30 | 2019-10-25 | 深圳市方向电子有限公司 | A kind of network transformer technique |
| CN110581011A (en) * | 2018-06-07 | 2019-12-17 | 舍弗勒技术股份两合公司 | Integrated EMC filter and power electronic device |
| CN111430139A (en) * | 2020-05-12 | 2020-07-17 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Inductance array structure capable of being effectively integrated and mounted and implementation method |
| CN111462981A (en) * | 2019-01-18 | 2020-07-28 | 泰达电子股份有限公司 | Integrated magnetic component |
| CN113225038A (en) * | 2021-03-29 | 2021-08-06 | 洛坦电子科技(上海)有限公司 | Filtering device for inverter |
-
2011
- 2011-12-31 CN CN2011205707519U patent/CN202384987U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9425686B2 (en) | 2013-08-21 | 2016-08-23 | Huawei Technologies Co., Ltd. | Voltage conversion device and method for adjusting common mode noise impedance |
| WO2015024376A1 (en) * | 2013-08-21 | 2015-02-26 | 华为技术有限公司 | Voltage converter and common-mode noise impedance adjusting method |
| CN105719785A (en) * | 2014-12-04 | 2016-06-29 | 深圳振华富电子有限公司 | Inductor assembly and manufacturing method therefor |
| CN106856140A (en) * | 2015-12-09 | 2017-06-16 | 乐金电子研发中心(上海)有限公司 | The common mode differential mode integrated inductor of bimag spatially interlaced arrangement |
| CN106856140B (en) * | 2015-12-09 | 2020-08-04 | 乐金电子研发中心(上海)有限公司 | Common mode and differential mode integrated inductor with double magnetic cores in three-dimensional staggered arrangement |
| CN110581011A (en) * | 2018-06-07 | 2019-12-17 | 舍弗勒技术股份两合公司 | Integrated EMC filter and power electronic device |
| CN111462981A (en) * | 2019-01-18 | 2020-07-28 | 泰达电子股份有限公司 | Integrated magnetic component |
| CN111462981B (en) * | 2019-01-18 | 2024-05-14 | 泰达电子股份有限公司 | Integrated magnetic component |
| CN110379601B (en) * | 2019-07-30 | 2023-10-31 | 深圳市方向电子股份有限公司 | Network transformer technology |
| CN110379601A (en) * | 2019-07-30 | 2019-10-25 | 深圳市方向电子有限公司 | A kind of network transformer technique |
| CN111430139A (en) * | 2020-05-12 | 2020-07-17 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Inductance array structure capable of being effectively integrated and mounted and implementation method |
| CN111430139B (en) * | 2020-05-12 | 2024-05-24 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Inductance array structure capable of being effectively integrated and installed and implementation method |
| CN113225038B (en) * | 2021-03-29 | 2024-03-29 | 洛坦电子科技(上海)有限公司 | Filtering device for inverter |
| CN113225038A (en) * | 2021-03-29 | 2021-08-06 | 洛坦电子科技(上海)有限公司 | Filtering device for inverter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202384987U (en) | Magnetic integration device | |
| US9917479B2 (en) | Wireless energy transfer for mobile device applications | |
| CN1391334A (en) | Differential mode and common mode integrated filter | |
| TWI497908B (en) | Method of improving performance of wave filter and power conversion device using same | |
| CN103545085A (en) | Double-magnetic-core CM-DM-integrated (common mode-difference mode-integrated) EMI (electro-magnetic interference) filter | |
| CN102386760A (en) | Frequency converter multistage EMI (electromagnetic interference) filter circuit | |
| CN110212784B (en) | Passive element integration device for single-phase three-level AC/DC resonant converter | |
| CN103442538A (en) | Passive element integration method in PFC circuit | |
| CN103065773B (en) | Low-noise switching power supply transformer and low-noise switching power supply | |
| CN105931817B (en) | A kind of 12 pulse wave rectifier transformer of boat-carrying applied to Ship Electrical Power System | |
| TWI477071B (en) | Filtering reactor stage and variable-frequency driving system utilizing the same | |
| CN202918035U (en) | Vehicle-used transformer inductor three-in-one device | |
| CN202585081U (en) | High-power magnetic integrated transformer for electric vehicle charging machine | |
| CN104157394A (en) | Amorphous magnetic ring inductor facilitating wire winding | |
| CN103856176A (en) | LCL filter with coupled inductors | |
| CN212694976U (en) | Novel transformer structure | |
| CN207474188U (en) | It is a kind of can harmonic carcellation magnetic shunt path transformer | |
| CN103107012A (en) | Electronic current transformer and on-line energy-receiving device of high-voltage side of electronic current transformer | |
| CN202798505U (en) | Bridge rectifier filter circuit | |
| CN202334291U (en) | Multi-stage EMI (electromagnetic interference) filter circuit of inverter | |
| CN201956156U (en) | Filter | |
| CN202695058U (en) | Surface-mounted type common-mode filter inductor | |
| CN201994169U (en) | Multifunctional transformer | |
| CN206163269U (en) | High -power PFC common mode inductance | |
| CN203617062U (en) | SMD (Surface Mounted Device) winding type common-mode power inductor |
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: 20120815 Termination date: 20131231 |