CN106532967A - Wireless charging system - Google Patents
Wireless charging system Download PDFInfo
- Publication number
- CN106532967A CN106532967A CN201510575812.3A CN201510575812A CN106532967A CN 106532967 A CN106532967 A CN 106532967A CN 201510575812 A CN201510575812 A CN 201510575812A CN 106532967 A CN106532967 A CN 106532967A
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- Prior art keywords
- wireless charging
- module
- permanent magnetism
- electric
- electric permanent
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Abstract
The invention provides a wireless charging system. The wireless charging system comprises a charging device and a power supply device, which are used cooperatively. The charging device comprises a wireless charging receiving module. The power supply device comprises a wireless charging emission module cooperating with the wireless charging receiving module. One of the charging device and the power supply device comprises an electric permanent magnetic module and the other one comprises an attracted piece. When the charging device gets close to the power supply device, forward current is provided for the electric permanent magnetic module, so the magnetic force of the electric permanent magnetic module is improved to attract the attracted piece so as to allow the power supply device and the charging device to move in a face to face manner. Thus, the wireless charging receiving module and the wireless charging emission module are mutually aligned to each other. When the wireless charging receiving module is aligned to the wireless charging emission module, reverse current is provided for the electric permanent magnetic module so as to decrease the magnetic force of the electric permanent magnetic module.
Description
【Technical field】
A kind of a kind of the present invention relates to wireless charging system, more particularly to wireless charging system of electric magneto.
【Background technology】
With the development of science and technology, automobile-used wireless charging technology future can be widely used.The usual way of existing automobile-used wireless charging technology is to install wireless charging receiving coil in underbody, when vehicle moves to wireless charging transmitting terminal, make wireless charging receiving coil and the transmit coil of wireless charging transmitting terminal align, and be powered by the mode such as electromagnetic induction or the sensing of magnetic coupling.But para-position of the wireless charging for receiving coil with transmit coil has high requirement, learns according to experimental data, just has good efficiency when aligning accuracy is needed in ± 3mm.And charge coil location technology on the market is all belonging to a centimetre grade at present, it is the demand so that ± 3mm cannot be met.
Therefore, it is necessory to provide a kind of wireless charging system with superperformance, to overcome drawbacks described above.
【The content of the invention】
The technical problem to be solved is to provide a kind of wireless charging system, and which has high aligning accuracy so as to there is good charge efficiency.
For solving above-mentioned technical problem, the present invention can be adopted the following technical scheme that：A kind of wireless charging system, including the charging device and electric supply installation that use cooperatively.The charging device includes wireless charging receiving module, and the electric supply installation includes the wireless charging emitting mould train coordinated with wireless charging receiving module.One of the charging device and electric supply installation have an electric permanent magnetism module and another with being attracted part.When charging device is near electric supply installation, the electric permanent magnetism module is passed through forward current, so that electric permanent magnetism module magnetic force strengthens to attract to be attracted part to make electric supply installation and charging device move toward one another, so that wireless charging receiving module is aligned with each other with wireless charging emitting mould train；After wireless charging receiving module is aligned with wireless charging emitting mould train, electric permanent magnetism module is passed through reverse current to make electric permanent magnetism module magnetic force disappear.
Compared with prior art, when the electric permanent magnetism module of the present invention is passed through forward current, electric permanent magnetism module magnetic force strengthens to attract to be attracted part to make electric supply installation and charging device move toward one another, so that wireless charging receiving module is aligned with each other with wireless charging emitting mould train, so as to high aligning accuracy and with good charge efficiency；And work as after wireless charging receiving module is aligned with wireless charging emitting mould train, electric permanent magnetism module is passed through reverse current to make electric permanent magnetism module magnetic force disappear, so as to the magnetic force for avoiding electric permanent magnetism module affects wireless charging.
【Description of the drawings】
Fig. 1 is the schematic perspective view of wireless charging system of the present invention.
Fig. 2 is the schematic diagram that the electric permanent magnetism module of wireless charging system of the present invention is passed through forward current.
Fig. 3 is the schematic diagram that the electric permanent magnetism module of wireless charging system of the present invention is passed through reverse current.
【Specific embodiment】
Refer to shown in Fig. 1, the invention discloses a kind of wireless charging system 100, which includes the charging device 1 for being installed on underbody and is fixed on the electric supply installation 2 on ground by vacuum suction seat absorption (not shown).The wireless charging system 100 passes through the electromagnetic induction between electric supply installation 2 and charging device 1, so as to carry out wireless power transmission to vehicle.
The charging device 1 includes electric permanent magnetism module 10 and wireless charging receiving module 11.The wireless charging receiving module 11 includes the receiving coil 110 of annular, and the electric permanent magnetism module 10 is positioned at the center of the receiving coil 110.With reference to shown in Fig. 2 and Fig. 3, the electric permanent magnetism module 10 is included for alive coil 101, the first magneticss 102 being disposed adjacent and the second magneticss 103, a pair of the magnetic-conductance portions 104 for being configured at first magneticss 102 with 103 two ends of the second magneticss and being connected with the end of the second magneticss 103 with the first magneticss 102 respectively.First magneticss 102 are a permanent magnet, and the coil 101 is wound in the second magneticss 103 and forms an electric magnet.The electric magnet can change magnetic field vector according to the immediate current direction of winding line 101, if electric magnet is with permanent magnet in the same direction, the magnetic force that magnetic field produces strengthens, the magnetic force payment in magnetic field if reversely.
The electric supply installation 2 to charging device 1 use cooperatively and including part 20 and wireless charging emitting mould train 21 is attracted, the wireless charging emitting mould train 21 is to coordinate with wireless charging receiving module 11.It is described to be attracted part 20 for an ironware, the wireless charging emitting mould train 21 is, for sending a sensor signal and the power coil 210 including annular, and sensor signal that 11 induction wireless charging emitting mould train 21 of the wireless charging receiving module sends sensing news to be converted to power signal.The part 20 that is attracted is positioned at the center of the power coil 210.
When charging device 1 is near electric supply installation 2, the air suction of vacuum suction seat is closed so that electric supply installation 2 can be in movement over ground, now described electric permanent magnetism module 10 is passed through forward current, so that electric 10 magnetic force of permanent magnetism module strengthens to attract to be attracted part 20 to make electric supply installation 2 and 1 move toward one another of charging device, so that wireless charging receiving module 11 is aligned with each other with wireless charging emitting mould train 21, so as to high aligning accuracy and with good charge efficiency.After wireless charging receiving module 11 is aligned with wireless charging emitting mould train 21, the electric supply installation 2 is first fixed positioned in ground by vacuum suction seat in air suction mode, and then electric permanent magnetism module 10 is passed through moment reverse current to make electric 10 magnetic force of permanent magnetism module disappear；The follow-up wireless charging for adopting electromagnetic induction or magnetic coupling induction mode is affected with the magnetic field magnetic force for avoiding electric permanent magnetism module 10.
Above-described embodiment is the better embodiment of the present invention.And not all embodiment, any equivalent change that those of ordinary skill in the art are taken to technical solution of the present invention by reading description of the invention, it is claim of the invention and is covered.
Claims (7)
1. a kind of wireless charging system, the electric supply installation used cooperatively including charging device and with charging device, the charging device include wireless charging receiving module, and the electric supply installation includes the wireless charging emitting mould train coordinated with wireless charging receiving module；It is characterized in that：One of the charging device and electric supply installation have an electric permanent magnetism module, and another with being attracted part；When charging device is near electric supply installation, the electric permanent magnetism module is passed through forward current, so that electric permanent magnetism module magnetic force strengthens to attract to be attracted part to make electric supply installation and charging device move toward one another, so that wireless charging receiving module is aligned with each other with wireless charging emitting mould train；After wireless charging receiving module is aligned with wireless charging emitting mould train, electric permanent magnetism module is passed through reverse current to make electric permanent magnetism module magnetic force disappear.
2. wireless charging system as claimed in claim 1, it is characterised in that：When the electric permanent magnetism module is connected with power-off after the electric current of forward direction, electric permanent magnetism module maintains absorption to be attracted part.
3. wireless charging system as claimed in claim 2, it is characterised in that：After wireless charging receiving module is aligned with wireless charging emitting mould train, then the electric supply installation is passed through reverse current to electric permanent magnetism module again first by stationary positioned.
4. wireless charging system as claimed in claim 3, it is characterised in that：It is described to be attracted part for an ironware.
5. wireless charging system as claimed in claim 1, it is characterised in that：The wireless charging emitting mould train is that the part that is attracted is positioned at the center of the power coil for sending a sensor signal and the power coil including annular.
6. wireless charging system as claimed in claim 5, it is characterised in that：It is to sense sensor signal that the wireless charging emitting mould train sends and sensing news are converted to power signal and the receiving coil including annular that the wireless charging receives mould, and the electric permanent magnetism module is positioned at the center of the receiving coil.
7. wireless charging system as claimed in claim 8, it is characterised in that：The electric permanent magnetism module is included for alive coil, the first magneticss being disposed adjacent and the second magneticss, a pair of the magnetic-conductance portions for being configured at first magneticss with the second magneticss two ends and being connected with the end of the second magneticss respectively with the first magneticss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575812.3A CN106532967A (en) | 2015-09-11 | 2015-09-11 | Wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575812.3A CN106532967A (en) | 2015-09-11 | 2015-09-11 | Wireless charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106532967A true CN106532967A (en) | 2017-03-22 |
Family
ID=58346108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510575812.3A Pending CN106532967A (en) | 2015-09-11 | 2015-09-11 | Wireless charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106532967A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153254A1 (en) * | 2018-02-09 | 2019-08-15 | Abb Schweiz Ag | System and method for wireless power transfer |
| CN110474436A (en) * | 2019-08-30 | 2019-11-19 | 维沃移动通信有限公司 | A kind of wireless charging method and relevant device |
| CN110576765A (en) * | 2019-08-30 | 2019-12-17 | 维沃移动通信有限公司 | Wireless charging method and related equipment |
| CN110649670A (en) * | 2019-08-30 | 2020-01-03 | 维沃移动通信有限公司 | Wireless charging method and related equipment |
-
2015
- 2015-09-11 CN CN201510575812.3A patent/CN106532967A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153254A1 (en) * | 2018-02-09 | 2019-08-15 | Abb Schweiz Ag | System and method for wireless power transfer |
| CN110474436A (en) * | 2019-08-30 | 2019-11-19 | 维沃移动通信有限公司 | A kind of wireless charging method and relevant device |
| CN110576765A (en) * | 2019-08-30 | 2019-12-17 | 维沃移动通信有限公司 | Wireless charging method and related equipment |
| CN110649670A (en) * | 2019-08-30 | 2020-01-03 | 维沃移动通信有限公司 | Wireless charging method and related equipment |
| CN110576765B (en) * | 2019-08-30 | 2021-06-29 | 维沃移动通信有限公司 | Wireless charging method and related equipment |
| CN110649670B (en) * | 2019-08-30 | 2021-11-23 | 维沃移动通信有限公司 | Wireless charging method and related equipment |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |
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| WD01 | Invention patent application deemed withdrawn after publication |