CN104901402A - Wireless charging system and wireless charging method - Google Patents
Wireless charging system and wireless charging method Download PDFInfo
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- CN104901402A CN104901402A CN201510297048.8A CN201510297048A CN104901402A CN 104901402 A CN104901402 A CN 104901402A CN 201510297048 A CN201510297048 A CN 201510297048A CN 104901402 A CN104901402 A CN 104901402A
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Abstract
The invention discloses a wireless charging system and a wireless charging method to solve the problems of the prior art that the charging efficiency is decreased and electric energy is wasted if the relative position between a charged device and a wireless charging device shifts. The embodiment of the invention provides the wireless charging system. An emission coil of an electric power emission module is a coil set formed by multiple sub-coils and arranged in a matrix manner. During a wireless charging process, the multiple sub-coils can be selectively triggered to provide power for a reception module. Therefore, less requirements are needed in terms of the position alignment between a charged device and a wireless charging device, and thus the charging convenience and the charging efficiency are improved.
Description
Technical field
The present invention relates to a kind of wireless charging system and wireless charging method, belong to wireless charging field.
Background technology
What current wireless charging process adopted is the charging modes of single transmit coil to single receiving coil, namely in charging process, 1 transmitting coil is only had to charge with being undertaken being coupled by 1 receiving coil of charging device in the power transmission module of wireless charging device, this just requires strictly to be aligned by the position between charging device and wireless charging device, the close-coupled of guarantee transmitting coil and receiving coil, depart from once be had by the relative position between charging device and wireless charging device, charge efficiency will be caused to decline, namely the charging interval is extended, objectively cause waste of energy again.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of wireless charging system and wireless charging method, effectively can improve charge efficiency, reduces waste of energy.
The object of the invention is to be achieved through the following technical solutions:
The embodiment provides a kind of wireless charging system, comprise power transmission module, power receiver module, described power transmission module comprises transmitting coil, described power receiver module comprises receiving coil, described power transmission module and described power receiver module are by the inductance coupling high transferring electric power between described transmitting coil and described receiving coil, and described transmitting coil is the coil groups of the array type arrangement of multiple subcoil composition.
The beneficial effect of the embodiment of the present invention is as follows: transmitting coil is the coil groups of the array type arrangement of multiple subcoil composition, can open multiple subcoil is that receiving coil is powered simultaneously, simultaneously, also receiving coil can be made when non-critical aligns to obtain same or analogous electromagnetic coupling strengths by the position between charging device and wireless charging device, and then improve charging convenience simultaneously and improve charge efficiency.
Further, described power transmission module comprises central control unit, and the multiple subcoil parallel connections forming described wireless transmission coil are connected with described central control unit.
Further, described power transmission module comprises coil Scan orientation device, and described coil Scan orientation device is connected with described central control unit.
Further, described multiple subcoil is arranged in same plane.
Embodiments of the invention additionally provide a kind of wireless charging method, and described wireless charging method adopts multi-coil range scans localization method.
The beneficial effect of the embodiment of the present invention is as follows: adopt multi-coil Scan orientation method, before transmitting coil opens charging process, first the positional information of Scan orientation receiving coil, and then can select to control most suitable one or more subcoil unlatching power supply in the multiple subcoil of transmitting coil, both charge efficiency was provided, turn avoid and open improving power supply without the subcoil effectively helped, and then decrease waste of energy.
Further, described multi-coil range scans localization method comprises:
First step, the positional information of receiving coil is determined in the scanning of coil Scan orientation device, and the positional information of described receiving coil is transferred to central control unit;
Second step, described central control unit, according to the positional information of described receiving coil, drives at least one subcoil of transmitting coil to open power supply.
Further, in described second step, described central control unit can improve charge efficiency according to the unlatching of which subcoil that the positional information calculation of described receiving coil judges in described transmitting coil.
Further, in described second step, need at least one subcoil opening power supply in the projection section or all overlapping with described receiving coil place plane.
Further, need the quantity of subcoil of opening power supply be n square, n be greater than 1 integer, and need the subcoil position of opening power supply adjacent.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of wireless charging system of the embodiment of the present invention;
Fig. 2 is the schematic diagram of the transmitting coil of the embodiment of the present invention;
Fig. 3 is the schematic diagram of the another kind of wireless charging system of the embodiment of the present invention;
Fig. 4 is the charging process schematic diagram of the wireless charging method of the embodiment of the present invention;
Fig. 5 is the position view needing the multiple subcoils opening power supply in the charging process of the wireless charging method of the embodiment of the present invention.
Embodiment
Be described in detail below in conjunction with the implementation procedure of Figure of description to the embodiment of the present invention.It should be noted that same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
As depicted in figs. 1 and 2, The embodiment provides a kind of wireless charging system, comprise power transmission module, power receiver module, described power transmission module comprises transmitting coil, described power receiver module comprises receiving coil, described power transmission module and described power receiver module are by the inductance coupling high transferring electric power between described transmitting coil and described receiving coil, and described transmitting coil is the coil groups of the array type arrangement of multiple subcoil composition.Transmitting coil is made up of multiple subcoil, can open multiple subcoil is that receiving coil is powered simultaneously, simultaneously, also receiving coil can be made when non-critical aligns to obtain same or analogous electromagnetic coupling strengths by the position between charging device and wireless charging device, and then improve charging convenience simultaneously and improve charge efficiency.Concrete, the quantity of the described subcoil in array type arrangement is X × Y, X and Y is respectively the integer being greater than 1, X and Y can be unequal.Concrete, the shape of single subcoil 101 can be the arbitrary shapes such as rectangle, circle, ellipse.
Further, as shown in Figure 3, described power transmission module comprises central control unit, and the multiple subcoil parallel connections forming described wireless transmission coil are connected with described central control unit.Each subcoil and central control unit are connected in parallel, and each subcoil can be made independently to open or close.
Further, described power transmission module comprises coil Scan orientation device, and described coil Scan orientation device is connected with described central control unit.Described coil Scan orientation device is used for the positional information of Scan orientation receiving coil, and the positional information of described receiving coil is transferred to described central control unit, and then described central control unit can be selected to control most suitable one or more subcoil unlatching power supply in the multiple subcoil of transmitting coil, both charge efficiency was provided, turn avoid and open improving power supply without the subcoil effectively helped, and then decrease waste of energy.
Further, described multiple subcoil is arranged in same plane.Each subcoil, in same plane, can be avoided increasing because multi-coil superposes the system thickness caused mutually, be unfavorable for carrying convenience.
Embodiments of the invention additionally provide a kind of wireless charging method, and described wireless charging method adopts multi-coil range scans localization method.The beneficial effect of the embodiment of the present invention is as follows: adopt multi-coil Scan orientation method, before transmitting coil opens charging process, first the positional information of Scan orientation receiving coil, and then can select to control most suitable one or more subcoil unlatching power supply in the multiple subcoil of transmitting coil, both charge efficiency was provided, turn avoid and open improving power supply without the subcoil effectively helped, and then decrease waste of energy.
Concrete, as shown in Figure 3, described multi-coil range scans localization method comprises: first step, and the positional information of receiving coil is determined in the scanning of coil Scan orientation device, and the positional information of described receiving coil is transferred to central control unit; Second step, described central control unit, according to the positional information of described receiving coil, drives at least one subcoil of transmitting coil to open power supply.
Concrete, in described second step, described central control unit can improve charge efficiency according to the unlatching of which subcoil that the positional information calculation of described receiving coil judges in described transmitting coil.
Concrete, in described second step, need at least one subcoil opening power supply in the projection section or all overlapping with described receiving coil place plane.
Concrete, need the quantity of the subcoil opening power supply be n square, n be greater than 1 integer, and need the subcoil position of opening power supply adjacent.Concrete, as shown in Figure 5, need the subcoil opening power supply to be 4 adjacent subcoils, adjacent comprise laterally adjacent, longitudinally adjacent or oblique adjacent.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a wireless charging system, comprise power transmission module, power receiver module, described power transmission module comprises transmitting coil, described power receiver module comprises receiving coil, described power transmission module and described power receiver module are by the inductance coupling high transferring electric power between described transmitting coil and described receiving coil, it is characterized in that, described transmitting coil is the coil groups of the array type arrangement of multiple subcoil composition.
2. wireless charging system according to claim 1, is characterized in that, described power transmission module comprises central control unit, and the multiple subcoil parallel connections forming described wireless transmission coil are connected with described central control unit.
3. wireless charging system according to claim 2, is characterized in that, described power transmission module comprises coil Scan orientation device, and described coil Scan orientation device is connected with described central control unit.
4. wireless charging system according to claim 3, is characterized in that, described multiple subcoil is arranged in same plane.
5. a wireless charging method, is characterized in that, described wireless charging method adopts multi-coil range scans localization method.
6. wireless charging method according to claim 5, is characterized in that, described multi-coil range scans localization method comprises:
First step, the positional information of receiving coil is determined in the scanning of coil Scan orientation device, and the positional information of described receiving coil is transferred to central control unit;
Second step, described central control unit, according to the positional information of described receiving coil, drives at least one subcoil of transmitting coil to open power supply.
7. wireless charging method according to claim 6, it is characterized in that, in described second step, described central control unit can improve charge efficiency according to the unlatching of which subcoil that the positional information calculation of described receiving coil judges in described transmitting coil.
8. the wireless charging method according to claim 6 or 7, is characterized in that, in described second step, needs at least one subcoil opening power supply in the projection section or all overlapping with described receiving coil place plane.
9. arbitrary wireless charging method according to claim 8, is characterized in that, need the quantity of subcoil of opening power supply be n square, n be greater than 1 integer, and need the subcoil position of opening power supply adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510297048.8A CN104901402A (en) | 2015-06-03 | 2015-06-03 | Wireless charging system and wireless charging method |
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| CN201510297048.8A CN104901402A (en) | 2015-06-03 | 2015-06-03 | Wireless charging system and wireless charging method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576846A (en) * | 2016-02-25 | 2016-05-11 | 苏州立感电子科技有限公司 | Wireless charging system and method |
| CN106887906A (en) * | 2015-12-16 | 2017-06-23 | 泰科电子(上海)有限公司 | Wireless power supply and electrical equipment |
| CN107161018A (en) * | 2017-05-03 | 2017-09-15 | 南京农业大学 | A kind of automobile wireless charging device of efficiency optimization |
| WO2017202371A1 (en) * | 2016-05-26 | 2017-11-30 | 梁智全 | Wireless array energy conversion device and method for designing same |
| CN109278573A (en) * | 2018-11-07 | 2019-01-29 | 常熟理工学院 | Pure electric automobile wireless charging method under stationary state based on Wave beam forming principle |
| WO2019075986A1 (en) * | 2017-10-19 | 2019-04-25 | 成都市易冲无线科技有限公司 | Multi-coil system comprising selection and ping phases for wireless power transmission, and method |
| CN110040011A (en) * | 2019-04-18 | 2019-07-23 | 浙江吉利控股集团有限公司 | A kind of wireless charging method and control device |
| CN110544992A (en) * | 2019-09-16 | 2019-12-06 | 国网安徽省电力有限公司检修分公司 | Wireless charging positioning control system and method for power inspection equipment |
| CN112319833A (en) * | 2020-10-30 | 2021-02-05 | 北京京东乾石科技有限公司 | Automatic airport and unmanned aerial vehicle charging system, method, equipment and storage medium |
| CN113022335A (en) * | 2019-12-24 | 2021-06-25 | 上海海拉电子有限公司 | Wireless quick charging system and method for electric automobile |
| WO2023116758A1 (en) * | 2021-12-24 | 2023-06-29 | 维沃移动通信有限公司 | Wireless charging method and apparatus, and electronic device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106887906A (en) * | 2015-12-16 | 2017-06-23 | 泰科电子(上海)有限公司 | Wireless power supply and electrical equipment |
| CN105576846A (en) * | 2016-02-25 | 2016-05-11 | 苏州立感电子科技有限公司 | Wireless charging system and method |
| WO2017202371A1 (en) * | 2016-05-26 | 2017-11-30 | 梁智全 | Wireless array energy conversion device and method for designing same |
| CN107161018A (en) * | 2017-05-03 | 2017-09-15 | 南京农业大学 | A kind of automobile wireless charging device of efficiency optimization |
| WO2019075986A1 (en) * | 2017-10-19 | 2019-04-25 | 成都市易冲无线科技有限公司 | Multi-coil system comprising selection and ping phases for wireless power transmission, and method |
| CN109278573A (en) * | 2018-11-07 | 2019-01-29 | 常熟理工学院 | Pure electric automobile wireless charging method under stationary state based on Wave beam forming principle |
| CN110040011A (en) * | 2019-04-18 | 2019-07-23 | 浙江吉利控股集团有限公司 | A kind of wireless charging method and control device |
| CN110544992A (en) * | 2019-09-16 | 2019-12-06 | 国网安徽省电力有限公司检修分公司 | Wireless charging positioning control system and method for power inspection equipment |
| CN113022335A (en) * | 2019-12-24 | 2021-06-25 | 上海海拉电子有限公司 | Wireless quick charging system and method for electric automobile |
| CN112319833A (en) * | 2020-10-30 | 2021-02-05 | 北京京东乾石科技有限公司 | Automatic airport and unmanned aerial vehicle charging system, method, equipment and storage medium |
| WO2023116758A1 (en) * | 2021-12-24 | 2023-06-29 | 维沃移动通信有限公司 | Wireless charging method and apparatus, and electronic device |
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Application publication date: 20150909 |