CN104348262A - Magnetic core device used for wireless charging and wireless power supply - Google Patents
Magnetic core device used for wireless charging and wireless power supply Download PDFInfo
- Publication number
- CN104348262A CN104348262A CN201410578120.XA CN201410578120A CN104348262A CN 104348262 A CN104348262 A CN 104348262A CN 201410578120 A CN201410578120 A CN 201410578120A CN 104348262 A CN104348262 A CN 104348262A
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- China
- Prior art keywords
- magnetic core
- coil
- group
- flat
- wireless power
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a magnetic core device used for wireless charging and wireless power supply. The magnetic core device comprises an excitation device used for emitting electromagnetic energy and a receiving device used for receiving the electromagnetic energy, wherein the excitation device comprises a flat magnetic core, a first coil is wound on the flat magnetic core, the receiving device comprises a flat crossed magnetic core, a second coil is wound on the flat crossed magnetic core, the flat crossed magnetic core comprises a first magnetic core and a second magnetic core, and the flat crossed magnetic core and the flat magnetic core adopt a resonance electromagnetic coupling mode with the mutually parallel magnetic core planes. The excitation device and the receiving device in the device respectively adopt the magnetic core design, the mutual coupling efficiency is improved, in addition, the receiving device adopts the flat crossed magnetic core, the high-efficiency coupling can be realized regardless of the relative positions between the excitation device and the receiving device, further, the wireless charging and wireless power supply efficiency is further and greatly improved, and in addition, the size of the whole device is smaller.
Description
Technical field
The present invention relates to solenoid field, particularly relate to a kind of for the magnetic core arrangement in wireless charging and wireless power.
Background technology
In order to easy to use, in prior art, increasing electronic installation is configured with the mode of wireless power or wireless charging.But the technology of existing wireless power or wireless charging needs excitation coil and receiving coil aligned position and direction, otherwise will significantly affect the efficiency of wireless power or wireless charging, sometimes can not work even at all.
During practical application, in many application scenarios by excitation coil and receiving coil aligned position and direction not a duck soup, such as: the electronic installation be imbedded in human body is just difficult to meet this requirement.
Chinese invention patent application CN103070699A, disclose a kind of microminiature intestinal robot intelligent wireless charger, comprise: X-ray machine is responsible for gathering the image of robot, single-chip microcomputer is transferred to after image processing device processes, single-chip microcomputer is used for X-coordinate and the Y-coordinate of positioning robot position and robot, and operate two-dimentional stepping slide unit by the stepping motor of control X and Y both direction, drive the excitation coil of transmitting terminal, the receiving coil of itself and robot is made to keep certain coupling area, as seen the complexity of its method and the trouble of use.
Summary of the invention
The invention provides a kind of for the magnetic core arrangement in wireless charging and wireless power, the invention solves excitation coil and receiving coil needs the problem such as aligned position and direction, improve the efficiency of wireless charging and wireless power, described below:
For the magnetic core arrangement in wireless charging and wireless power, comprising: the exciting bank launching electromagnetic energy, and the receiving system receiving electromagnetic energy,
Described exciting bank comprises: flat magnetic core, and described flat magnetic core is wound with the first coil;
Described receiving system comprises: flat cross magnetic core, and described flat cross magnetic core is wound with the second coil;
Described flat cross magnetic core comprises: the first magnetic core and the second magnetic core, the resonant electromagnetic coupled modes that described flat cross magnetic core and described flat magnetic core adopt core plane to be parallel to each other.
Further, described second coil is made up of the coil that four groups of parameters are identical.The coil that described four groups of parameters are identical is specially: first group of coil, second group of coil, the 3rd group of coil and the 4th group of coil,
Described first group of coil and described 3rd group of coil winding on described first magnetic core, joining end to end of described first group of coil and described 3rd group of coil; One end of described first group of coil connects the non-same polarity of described 3rd group of coil;
Described second group of coil and described 4th group of coil winding on described second magnetic core, joining end to end of described second group of coil and described 4th group of coil; One end of described second group of coil connects the non-same polarity of described 4th group of coil.
The beneficial effect of technical scheme provided by the invention is: the exciting bank in this device and receiving system all adopt Magnetic Core Design, improve coupling efficiency each other, and because receiving system adopts flat cross magnetic core, no matter make the relative position between exciting bank with receiving system how can realize being coupled expeditiously, and then increased substantially the efficiency of wireless charging and wireless power, and the small volume of whole device.
Accompanying drawing explanation
Fig. 1 is the structural representation of exciting bank;
Fig. 2 is the structural representation of receiving system;
Fig. 3 is the schematic diagram of four groups of coils;
Fig. 4 is a kind of constitutional diagram for the magnetic core arrangement in wireless charging and wireless power.
In accompanying drawing, the list of parts representated by each label is as follows:
1: exciting bank; 2: receiving system;
11: flat magnetic core; 12: the first coils;
21: flat cross magnetic core; 22: the second coils;
211: the first magnetic cores; 212: the second magnetic cores;
L1: the first group of coil; L2: the second group of coil;
L3: the three group of coil; L4: the four group of coil.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below embodiment of the present invention is described further in detail.
In order to solve excitation coil and receiving coil needs the problem such as aligned position and direction, improve the efficiency of wireless charging and wireless power, embodiments provide a kind of for the magnetic core arrangement in wireless charging and wireless power, see Fig. 1 and Fig. 2, comprise: exciting bank 1, exciting bank 1 comprises: flat magnetic core 11 and the first coil 12, first coil 12 are wrapped on flat magnetic core 11.This magnetic core arrangement also comprises: the receiving system 2 coordinated with exciting bank 1, and receiving system 2 comprises: flat cross magnetic core 21 and the second coil 22.
See Fig. 3 and Fig. 4, flat cross magnetic core 21 comprises: the first magnetic core 211 and the second magnetic core 212, the resonant electromagnetic coupled modes that flat cross magnetic core 21 and flat magnetic core 11 adopt core plane to be parallel to each other.
Wherein, second coil 22 is made up of coil L1, L2, L3 and L4 that four groups of parameters are identical, first magnetic core 211 is wound with first group of coil L1 and the 3rd group coil L3 respectively, first group of coil L1 and the 3rd group coil L3 joins end to end, namely one end of first group of coil L1 connects on the non-same polarity of the 3rd group of coil L3, and the two ends (i.e. the other end of first group of coil L1 and the Same Name of Ends of the 3rd group of coil L3) do not connected in addition are as the rear exit forming a coil of connecting.
In like manner, second magnetic core 212 is wound with second group of coil L2 and the 4th group coil L4 respectively, second group of coil L2 and the 4th group coil L4 joins end to end, namely one end of second group of coil L2 connects on the non-same polarity of the 4th group of coil L4, and the two ends (i.e. the other end of second group of coil L2 and the Same Name of Ends of the 4th group of coil L4) do not connected in addition are as the rear exit forming a coil of connecting.
The embodiment of the present invention is described for the flat cross magnetic core 21 in Fig. 2, and now the first magnetic core 211 is in vertical direction, and the second magnetic core 212 is in horizontal direction.Then be wound with first group of coil L1 and the 3rd group coil L3 respectively in the upper and lower of the first magnetic core 211; Second group of coil L2 and the 4th group coil L4 is wound with respectively at the left part of the second magnetic core 212 and right part.
Separately, if the first magnetic core 211 is in horizontal direction, the second magnetic core 212 is in vertical direction.Then be wound with first group of coil L1 and the 3rd group coil L3 respectively at the left part of the first magnetic core 211 and right part; Second group of coil L2 and the 4th group coil L4 is wound with respectively in the upper and lower of the second magnetic core 212.
During practical application, only need meet the first magnetic core 211 and the second magnetic core 212 in criss-cross shape design, the concrete orientation of the first magnetic core 211 and the second magnetic core 212 is not limited.
Due to flat cross magnetic core 21 can make the magnetic field in any direction in two dimensional surface can efficient reception, as long as thus receiving system 2 is within the coverage of exciting bank 1, no matter how the relative position between exciting bank 1 with receiving system 2 can realize be coupled expeditiously, and because exciting bank 1 and receiving system 2 all have magnetic core, therefore coupling efficiency each other can be accomplished the highest, increase substantially the efficiency of wireless charging and wireless power; Further, the magnetic core due to receiving system 2 is flat cross, and the volume of whole device thus can't be caused to increase due to magnetic core.
During specific implementation, the embodiment of the present invention does not limit the concrete winding number of turns of the first coil 12, second coil 22, winding direction, only need meet above-mentioned condition.
The embodiment of the present invention is to the model of each device except doing specified otherwise, and the model of other devices does not limit, as long as can complete the device of above-mentioned functions.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. for the magnetic core arrangement in wireless charging and wireless power, comprising: the exciting bank launching electromagnetic energy, and the receiving system receiving electromagnetic energy, it is characterized in that,
Described exciting bank comprises: flat magnetic core, and described flat magnetic core is wound with the first coil;
Described receiving system comprises: flat cross magnetic core, and described flat cross magnetic core is wound with the second coil;
Described flat cross magnetic core comprises: the first magnetic core and the second magnetic core, the resonant electromagnetic coupled modes that described flat cross magnetic core and described flat magnetic core adopt core plane to be parallel to each other.
2. according to claim 1ly a kind ofly to it is characterized in that for the magnetic core arrangement in wireless charging and wireless power, described second coil is made up of the coil that four groups of parameters are identical.
3. according to claim 2 a kind of for the magnetic core arrangement in wireless charging and wireless power, the coil that described four groups of parameters are identical is specially: first group of coil, second group of coil, the 3rd group of coil and the 4th group of coil, is characterized in that,
Described first group of coil and described 3rd group of coil winding on described first magnetic core, joining end to end of described first group of coil and described 3rd group of coil; One end of described first group of coil connects the non-same polarity of described 3rd group of coil;
Described second group of coil and described 4th group of coil winding on described second magnetic core, joining end to end of described second group of coil and described 4th group of coil; One end of described second group of coil connects the non-same polarity of described 4th group of coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578120.XA CN104348262A (en) | 2014-10-24 | 2014-10-24 | Magnetic core device used for wireless charging and wireless power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578120.XA CN104348262A (en) | 2014-10-24 | 2014-10-24 | Magnetic core device used for wireless charging and wireless power supply |
Publications (1)
| Publication Number | Publication Date |
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| CN104348262A true CN104348262A (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410578120.XA Pending CN104348262A (en) | 2014-10-24 | 2014-10-24 | Magnetic core device used for wireless charging and wireless power supply |
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| CN (1) | CN104348262A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876053A (en) * | 2017-02-28 | 2017-06-20 | 西安交通大学 | A kind of utilization flashover takes the intelligent trouble alarm insulator of energy |
| CN106952710A (en) * | 2017-05-12 | 2017-07-14 | 福州大学 | A kind of wireless charging magnetic coupling arrangement and its circuit for multi-load |
| CN108962571A (en) * | 2018-07-23 | 2018-12-07 | 哈尔滨工业大学 | Cross type plane thread tubular type magnetic coupling arrangement |
| CN113555204A (en) * | 2021-07-21 | 2021-10-26 | 昆山联滔电子有限公司 | Wireless charging coil piece and wireless charging coil assembly |
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| CN101714768A (en) * | 2002-05-13 | 2010-05-26 | 捷通国际有限公司 | Contact-less power transfer device and method |
| JP2012019648A (en) * | 2010-07-09 | 2012-01-26 | Sony Corp | Power supply device and wireless power supply system |
| CN103229383A (en) * | 2010-11-16 | 2013-07-31 | 鲍尔拜普罗克西有限公司 | A wirelessly rechargeable battery and power transmitter |
| CN103827998A (en) * | 2011-09-29 | 2014-05-28 | 鲍尔拜普罗克西有限公司 | Wirelessly rechargeable battery and components thereof |
| CN204205730U (en) * | 2014-10-24 | 2015-03-11 | 天津榕丰科技有限公司 | A kind of for the magnetic core arrangement in wireless charging and wireless power |
-
2014
- 2014-10-24 CN CN201410578120.XA patent/CN104348262A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714768A (en) * | 2002-05-13 | 2010-05-26 | 捷通国际有限公司 | Contact-less power transfer device and method |
| JP2012019648A (en) * | 2010-07-09 | 2012-01-26 | Sony Corp | Power supply device and wireless power supply system |
| CN103229383A (en) * | 2010-11-16 | 2013-07-31 | 鲍尔拜普罗克西有限公司 | A wirelessly rechargeable battery and power transmitter |
| CN103827998A (en) * | 2011-09-29 | 2014-05-28 | 鲍尔拜普罗克西有限公司 | Wirelessly rechargeable battery and components thereof |
| CN204205730U (en) * | 2014-10-24 | 2015-03-11 | 天津榕丰科技有限公司 | A kind of for the magnetic core arrangement in wireless charging and wireless power |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876053A (en) * | 2017-02-28 | 2017-06-20 | 西安交通大学 | A kind of utilization flashover takes the intelligent trouble alarm insulator of energy |
| CN106952710A (en) * | 2017-05-12 | 2017-07-14 | 福州大学 | A kind of wireless charging magnetic coupling arrangement and its circuit for multi-load |
| CN108962571A (en) * | 2018-07-23 | 2018-12-07 | 哈尔滨工业大学 | Cross type plane thread tubular type magnetic coupling arrangement |
| CN113555204A (en) * | 2021-07-21 | 2021-10-26 | 昆山联滔电子有限公司 | Wireless charging coil piece and wireless charging coil assembly |
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Application publication date: 20150211 |