CN104901435A - Wireless power supply device, wireless charging system and wireless charging method - Google Patents
Wireless power supply device, wireless charging system and wireless charging method Download PDFInfo
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- CN104901435A CN104901435A CN201510297049.2A CN201510297049A CN104901435A CN 104901435 A CN104901435 A CN 104901435A CN 201510297049 A CN201510297049 A CN 201510297049A CN 104901435 A CN104901435 A CN 104901435A
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Abstract
The invention discloses a wireless power supply device, a wireless charging system and a wireless charging method. A power supply process is started only when the distance between the wireless power supply device and an electric power reception device is within a small range, thereby preventing the low electric energy conversion rate and the low electric energy utilization rate if the power supply process is started when the electric power reception device is too much away from the wireless power supply device. In this way, the electric energy utilization rate is improved, and waste of electric energy is minimized. The embodiment of the invention provides a wireless power supply device, which includes a distance sensor, a central control unit and an emission coil. The distance sensor is connected to the central control unit, and the central control unit is connected to the emission coil.
Description
Technical field
The present invention relates to a kind of wireless power supply, wireless charging system and wireless charging method, belong to wireless charging field.
Background technology
At present, for the wireless charging technology based on qi agreement, in whole communication ranges of qi agreement, usually 0-45mm can be reached, when wireless power supply and power receiving system can electric power transfer in this distance range.But in actual charging process, this distance range can apart from time excessive, and as being greater than 20mm, although also can charge, but utilization rate of electrical is very low.That is, transmitting terminal expends huge power consumption, but the electricity that receiving terminal receives is very faint, wastes a large amount of electric energy.Therefore, we need just to start power supply process in a less scope, thus improve utilization rate of electrical, minimizing waste of energy.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of wireless power supply, wireless charging system and wireless charging method, can improve utilization rate of electrical, 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 power supply, comprise range sensor, central control unit, transmitting coil, described range sensor is connected with described central control unit, and described central control unit is connected with described transmitting coil.
The beneficial effect of the embodiment of the present invention is as follows: by arranging range sensor in wireless power supply, for measuring the distance value between power receiving system and wireless power supply, and then determine to open or close power supply process according to the distance value of power receiving system and wireless power supply, avoid and to open the electric energy low-conversion and poor efficiency that power supply process causes when the distance of power receiving system and wireless power supply is excessive, thus raising utilization rate of electrical, reduce waste of energy.
Further, described wireless power supply also comprises parameter setting unit, for transmission range reference value.
Embodiments of the invention additionally provide a kind of wireless power supply system, comprise the wireless power supply described in power receiving system and claim 1 or 2, described range sensor is for measuring the distance value between described power receiving system and described wireless power supply, when measuring distance value is less than or equal to the distance reference value preset, described central control unit drives described transmitting coil to open power supply process.
The beneficial effect of the embodiment of the present invention is as follows: by determining to open or close power supply process according to the distance value of power receiving system and wireless power supply, avoid and to open the electric energy low-conversion and poor efficiency that power supply process causes when the distance of power receiving system and wireless power supply is excessive, thus raising utilization rate of electrical, reduce waste of energy.
Further, described in the distance reference value that presets be the value of artificial input in advance, or the value obtained of sampling in setting-up time.
Further, described wireless charging system also comprises display unit, for show preset distance reference value, measuring distance value, power receiving system electricity in one or more information.
Embodiments of the invention additionally provide a kind of wireless charging method, start or close wireless power process according to the distance value between power receiving system and wireless power supply.
Further, described wireless charging method comprises:
First step, range sensor periodic scan measures the distance value between power receiving system and wireless power supply, and this distance value is transferred to central control unit;
Second step, the measuring distance value received and the distance reference value preset contrast by described central control unit, when measuring distance value is less than or equal to the distance reference value preset, described central control unit drives described transmitting coil to open power supply process.
Further, described in the distance reference value that presets be the value of artificial input in advance, or the value obtained of sampling in setting-up time.
The beneficial effect of the embodiment of the present invention is as follows: by determining to open or close power supply process according to the distance value of power receiving system and wireless power supply, avoid and to open the electric energy low-conversion and poor efficiency that power supply process causes when the distance of power receiving system and wireless power supply is excessive, thus raising utilization rate of electrical, reduce waste of energy.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of wireless power supply of the embodiment of the present invention;
Fig. 2 is the schematic diagram of a kind of wireless charging system of the embodiment of the present invention;
Fig. 3 is the power supply process schematic diagram 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 shown in Figure 1, The embodiment provides a kind of wireless power supply, comprise range sensor, central control unit, transmitting coil, described range sensor is connected with described central control unit, and described central control unit is connected with described transmitting coil.By arranging range sensor in wireless power supply, for measuring the distance value between power receiving system and wireless power supply, and then determine to open or close power supply process according to the distance value of power receiving system and wireless power supply, avoid and to open the electric energy low-conversion and poor efficiency that power supply process causes when the distance of power receiving system and wireless power supply is excessive, thus raising utilization rate of electrical, reduce waste of energy.
Further, described wireless power supply also comprises parameter setting unit, for transmission range reference value.
As shown in Figure 2, embodiments of the invention additionally provide a kind of wireless power supply system, comprise described wireless power supply, described range sensor is for measuring the distance value between described power receiving system and described wireless power supply, when measuring distance value is less than or equal to the distance reference value preset, described central control unit drives described transmitting coil to open power supply process.
The beneficial effect of the embodiment of the present invention is as follows: by determining to open or close power supply process according to the distance value of power receiving system and wireless power supply, avoid and to open the electric energy low-conversion and poor efficiency that power supply process causes when the distance of power receiving system and wireless power supply is excessive, thus raising utilization rate of electrical, reduce waste of energy.
Further, described in the distance reference value that presets be the value of artificial input in advance, or the value obtained of sampling in setting-up time.
Further, described wireless charging system also comprises display unit, for show preset distance reference value, measuring distance value, power receiving system electricity in one or more information.
As shown in Figure 2, embodiments of the invention additionally provide a kind of wireless power supply system, comprise power receiving system and described wireless power supply, described range sensor is for measuring the distance value between described power receiving system and described wireless power supply, when measuring distance value is less than or equal to the distance reference value preset, described central control unit drives described transmitting coil to open power supply process.By determining to open or close power supply process according to the distance value of power receiving system and wireless power supply, avoid and to open the electric energy low-conversion and poor efficiency that power supply process causes when the distance of power receiving system and wireless power supply is excessive, thus raising utilization rate of electrical, reduce waste of energy.
Further, described in the distance reference value that presets be the value of artificial input in advance, or the value obtained of sampling in setting-up time.
Further, described wireless charging system also comprises display unit, for show preset distance reference value, measuring distance value, power receiving system electricity in one or more information.
Embodiments of the invention additionally provide a kind of wireless charging method, start or close wireless power process according to the distance value between power receiving system and wireless power supply.
Further, as shown in Figure 3, described wireless charging method comprises:
First step, range sensor periodic scan measures the distance value between power receiving system and wireless power supply, and this distance value is transferred to central control unit;
Second step, the measuring distance value received and the distance reference value preset contrast by described central control unit, when measuring distance value is less than or equal to the distance reference value preset, described central control unit drives described transmitting coil to open power supply process.
By determining to open or close power supply process according to the distance value of power receiving system and wireless power supply, avoid and to open the electric energy low-conversion and poor efficiency that power supply process causes when the distance of power receiving system and wireless power supply is excessive, thus raising utilization rate of electrical, reduce waste of energy.
Further, described in the distance reference value that presets be the value of artificial input in advance, or the value obtained of sampling in setting-up time.
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 (8)
1. a wireless power supply, is characterized in that, comprises range sensor, central control unit, transmitting coil, and described range sensor is connected with described central control unit, and described central control unit is connected with described transmitting coil.
2. wireless power supply according to claim 1, is characterized in that, also comprises parameter setting unit, for transmission range reference value.
3. a wireless power supply system, it is characterized in that, comprise the wireless power supply described in power receiving system and claim 1 or 2, described range sensor is for measuring the distance value between described power receiving system and described wireless power supply, when measuring distance value is less than or equal to the distance reference value preset, described central control unit drives described transmitting coil to open power supply process.
4. wireless charging system according to claim 3, is characterized in that, described in the distance reference value that presets be the value of artificial input in advance, or the value obtained of sampling in setting-up time.
5. wireless charging system according to claim 4, is characterized in that, also comprises display unit, for show preset distance reference value, measuring distance value, power receiving system electricity in one or more information.
6. a wireless charging method, is characterized in that, starts or close power supply process according to the distance value between power receiving system and wireless power supply.
7. wireless charging method according to claim 6, is characterized in that, described wireless charging method comprises:
First step, range sensor periodic scan measures the distance value between power receiving system and wireless power supply, and this distance value is transferred to central control unit;
Second step, the measuring distance value received and the distance reference value preset contrast by described central control unit, when measuring distance value is less than or equal to the distance reference value preset, described central control unit drives described transmitting coil to open power supply process.
8. wireless charging method according to claim 7, is characterized in that, described in the distance reference value that presets be the value of artificial input in advance, or the value obtained of sampling in setting-up time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510297049.2A CN104901435A (en) | 2015-06-03 | 2015-06-03 | Wireless power supply device, wireless charging system and wireless charging method |
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| CN201510297049.2A CN104901435A (en) | 2015-06-03 | 2015-06-03 | Wireless power supply device, wireless charging system and wireless charging method |
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| CN104901435A true CN104901435A (en) | 2015-09-09 |
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| CN201510297049.2A Pending CN104901435A (en) | 2015-06-03 | 2015-06-03 | Wireless power supply device, wireless charging system and wireless charging method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576845A (en) * | 2016-02-25 | 2016-05-11 | 苏州立感电子科技有限公司 | Wireless power supply device, wireless charging system and wireless charging method |
| CN106559938A (en) * | 2017-01-16 | 2017-04-05 | 京东方科技集团股份有限公司 | A kind of light fixture, lamp socket and illuminator |
| CN107706981A (en) * | 2017-10-27 | 2018-02-16 | 努比亚技术有限公司 | A kind of wireless charging method and wireless charging device |
| CN111049277A (en) * | 2019-12-29 | 2020-04-21 | 歌尔股份有限公司 | Wireless charging base and wireless charging method |
| CN111342493A (en) * | 2020-04-07 | 2020-06-26 | 光之科技发展(昆山)有限公司 | Wireless solar power generation system and working method thereof |
| CN111342492A (en) * | 2020-04-07 | 2020-06-26 | 光之科技发展(昆山)有限公司 | Wireless solar power generation method |
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| CN103545850A (en) * | 2012-07-09 | 2014-01-29 | 联想(北京)有限公司 | Electronic device |
| CN103972597A (en) * | 2013-02-04 | 2014-08-06 | 联想(北京)有限公司 | Charging method and charging apparatus |
| CN104658118A (en) * | 2015-03-18 | 2015-05-27 | 成都科特柯本科技有限公司 | Special ammeter for automobile charging pile |
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| US20100217553A1 (en) * | 2009-01-22 | 2010-08-26 | Qualcomm Incorporated | Impedance change detection in wireless power transmission |
| CN103545850A (en) * | 2012-07-09 | 2014-01-29 | 联想(北京)有限公司 | Electronic device |
| CN103972597A (en) * | 2013-02-04 | 2014-08-06 | 联想(北京)有限公司 | Charging method and charging apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576845A (en) * | 2016-02-25 | 2016-05-11 | 苏州立感电子科技有限公司 | Wireless power supply device, wireless charging system and wireless charging method |
| CN106559938A (en) * | 2017-01-16 | 2017-04-05 | 京东方科技集团股份有限公司 | A kind of light fixture, lamp socket and illuminator |
| CN106559938B (en) * | 2017-01-16 | 2018-09-04 | 京东方科技集团股份有限公司 | A kind of lamps and lanterns, lamp holder and lighting system |
| CN107706981A (en) * | 2017-10-27 | 2018-02-16 | 努比亚技术有限公司 | A kind of wireless charging method and wireless charging device |
| CN111049277A (en) * | 2019-12-29 | 2020-04-21 | 歌尔股份有限公司 | Wireless charging base and wireless charging method |
| CN111342493A (en) * | 2020-04-07 | 2020-06-26 | 光之科技发展(昆山)有限公司 | Wireless solar power generation system and working method thereof |
| CN111342492A (en) * | 2020-04-07 | 2020-06-26 | 光之科技发展(昆山)有限公司 | Wireless solar power generation method |
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Application publication date: 20150909 |
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