CN104065145A - Wireless charging device and charging method thereof - Google Patents
Wireless charging device and charging method thereof Download PDFInfo
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- CN104065145A CN104065145A CN201310089626.XA CN201310089626A CN104065145A CN 104065145 A CN104065145 A CN 104065145A CN 201310089626 A CN201310089626 A CN 201310089626A CN 104065145 A CN104065145 A CN 104065145A
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- wireless charging
- charging device
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Abstract
Disclosed is a method of using a wireless charging device to carry out charging. The wireless charging device is connected with a wireless charging energy emission device and an electronic device. The method includes the following steps: receiving a radio frequency transmitted by the wireless charging energy emission device through a radio frequency energy conversion unit in the wireless charging device and generating AC; and receiving the AC transmitted by the radio frequency energy conversion unit through a voltage conversion unit in the wireless charging device and converting the AC into DC so as to charge the electronic device with the DC. The invention also provides the wireless charging device. Through use of the wireless charging device and the charging method thereof, an electronic device which is incapable of wireless charging is enabled to realize wireless charging so that convenience is provided to users.
Description
Technical field
The present invention relates to a kind of wireless charging device and charging method thereof.
Background technology
Electronic installation in the market (for example, the devices such as mobile phone, digital camera, MP3 player) major part is all to use the mode (USB line charger) of cable to charge, if user uses many electronic installations, and charge electronic devices specification difference, must retain various types of cable chargers, cause thus user's frustration, for example, if lose wherein charger, need again to buy this charger so that corresponding electronic installation is charged.
Summary of the invention
In view of above content, be necessary to provide a kind of wireless charging device, can make can not wireless charging electronic equipment can realize wireless charging, facilitated user.
In view of above content, be also necessary to provide a kind of method of utilizing wireless charging device to charge, can make can not wireless charging electronic equipment can realize wireless charging, facilitated user.
A kind of wireless charging device, this wireless charging device is connected with wireless charging energy emitter and electronic installation, this wireless charging device comprises: radio-frequency (RF) energy converting unit, and the radio frequency transmitting for receiving wireless charging energy emitter, and produce alternating current; Voltage conversion unit, the alternating current transmitting for received RF energy conversion unit, and convert thereof into direct current, thus with direct current, electronic installation is charged.
A kind of method of utilizing wireless charging device to charge, this wireless charging device is connected with wireless charging energy emitter and electronic installation, the method comprises: receive by the radio-frequency (RF) energy converting unit in wireless charging device the radio frequency that wireless charging energy emitter transmits, and produce alternating current; The alternating current transmitting by the voltage conversion unit received RF energy conversion unit in wireless charging device, and convert thereof into direct current, thus with direct current, electronic installation is charged.
Compared to prior art, utilize described wireless charging device and charging method thereof, can make can not wireless charging electronic equipment can realize wireless charging, facilitated user.
Brief description of the drawings
Fig. 1 is the applied environment figure of wireless charging device preferred embodiment of the present invention.
Fig. 2 is a kind of cut-away view of wireless charging device in Fig. 1 of the present invention.
Fig. 3 is the flow chart that the present invention utilizes the method preferred embodiment that the wireless charging device in Fig. 2 charges.
Fig. 4 is the another kind of cut-away view of wireless charging device in Fig. 1 of the present invention.
Fig. 5 is the flow chart that the present invention utilizes the method preferred embodiment that the wireless charging device in Fig. 4 charges.
Main element symbol description
| Wireless charging energy emitter | 1 |
| Wireless charging device | 2 |
| Electronic installation | 3 |
| Radio-frequency (RF) energy converting unit | 20 |
| Voltage conversion unit | 22 |
| Power change-over switch | 24 |
| Voltage sensor | 26 |
| The first switch | 240 |
| Second switch | 242 |
| Interface | 28 |
| Wired charger | 4 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1, be the applied environment figure of wireless charging device preferred embodiment of the present invention.
This wireless charging device 2 is connected with wireless charging energy emitter 1 and electronic installation 3 respectively, and wherein wireless charging device 2 carries out wireless connections with wireless charging energy emitter 1, and wireless charging device 2 carries out wired connection with electronic installation 3.Described electronic installation 3 may be, but not limited to,, the devices such as mobile phone, digital camera and panel computer.Described wireless charging device 2 can directly depend on electronic installation 3, for example, makes the containment vessel that can surround electronic installation 3, thus, protects electronic installation 3, can have again wireless charging function.
Described wireless charging energy emitter 1 by plug and electrical network (for example, the household electricity of 220 volts) connect, this wireless charging energy emitter 1 can produce radio frequency, by produced radio frequency transmission to wireless charging device 2(by wireless charging device 2 near wireless charging energy emitter 1 to obtain radio frequency), make wireless charging device 2 produce electricity, thereby realize the charging to electronic installation 3.
As shown in Figure 2, be a kind of cut-away view of wireless charging device in Fig. 1 of the present invention.
Described wireless charging device 2 comprises radio-frequency (RF) energy converting unit 20 and voltage conversion unit 22.Wherein, described radio-frequency (RF) energy converting unit 20 is connected with described voltage conversion unit 22, and described voltage conversion unit 22 is connected with electronic installation 3.
The radio frequency that described radio-frequency (RF) energy converting unit 20 transmits for receiving wireless charging energy emitter 1, and produce alternating current.In this preferred embodiment, described radio-frequency (RF) energy converting unit 20 comprises a coil.Generally speaking, electronic installation 3 needs direct current to charge, and therefore, the alternating current that radio-frequency (RF) energy converting unit 20 need to be produced converts direct current to.The alternating current that described voltage conversion unit 22 received RF energy conversion unit 20 transmit, and convert thereof into direct current, thus with direct current, electronic installation 3 is charged.In this preferred embodiment, described voltage conversion unit 22 comprises a motor-generator set.This voltage conversion unit 22, also in the time that the battery of electronic installation 3 is full of electricity, stops electronic installation 3 to charge.
As shown in Figure 3, be the flow chart that the present invention utilizes the method preferred embodiment that the wireless charging device in Fig. 2 charges.
Step S10, radio-frequency (RF) energy converting unit 20 receives the radio frequency that wireless charging energy emitter 1 transmits, and produces alternating current.In this preferred embodiment, described radio-frequency (RF) energy converting unit 20 comprises a coil, to produce alternating current.
Step S12, the alternating current that voltage conversion unit 22 received RF energy conversion unit 20 transmit, and convert thereof into direct current.In addition the galvanic voltage of changing, is identical with the charging voltage of electronic installation 3.In this preferred embodiment, described voltage conversion unit 22 comprises a motor-generator set, converts alternating current to direct current to realize.
Step S14, voltage conversion unit 22 charges to electronic installation 3 by direct current.
Step S16, in the time that the battery of electronic installation 3 is full of electricity, voltage conversion unit 22 stops electronic installation 3 to charge.Particularly, whether the cell voltage in voltage conversion unit 22 detection. electronics 3 is the voltage while being full of electricity, if the cell voltage in electronic installation 3 is the voltage while being full of electricity, voltage conversion unit 22 sends instruction to radio-frequency (RF) energy converting unit 20, make radio-frequency (RF) energy converting unit 20 stop producing alternating current, or send instruction to voltage conversion unit 22, make voltage conversion unit 22 stop supplying direct current to electronic installation 3.
As shown in Figure 4, be the another kind of cut-away view of wireless charging device in Fig. 1 of the present invention.
Described wireless charging device 2 comprises radio-frequency (RF) energy converting unit 20, voltage conversion unit 22, power change-over switch 24, voltage sensor 26 and interface 28.Described power change-over switch 24 comprises the first switch 240 and second switch 242.Wherein, described radio-frequency (RF) energy converting unit 20 is connected with described voltage conversion unit 22, described voltage conversion unit 22 is connected with the first switch 240 of power change-over switch 24, voltage sensor 26 is connected with radio-frequency (RF) energy converting unit 20, power change-over switch 24 and interface 28, described interface 28 is connected with second switch 242 and the wired charger 4 of power change-over switch 24, the first switch 240 and the second switch 242 of power change-over switch 24 are also connected with electronic installation 3, so that electronic installation 3 is charged.
The radio frequency that described radio-frequency (RF) energy converting unit 20 transmits for receiving wireless charging energy emitter 1, and produce alternating current.In this preferred embodiment, described radio-frequency (RF) energy converting unit 20 is coil.
Generally speaking, electronic installation 3 needs direct current to charge, and therefore, the alternating current that radio-frequency (RF) energy converting unit 20 need to be produced converts direct current to.The alternating current that described voltage conversion unit 22 received RF energy conversion unit 20 transmit, and convert thereof into direct current.In this preferred embodiment, described voltage conversion unit 22 comprises a motor-generator set.
In the time that the first switch 240 closures and second switch 242 disconnect, by wireless charging device 2, electronic installation 3 is charged, when the first switch 240 disconnects and when second switch 242 is closed, by wired charger 4, electronic installation 3 charged.
Whether voltage sensor 26 has voltage for detection of radio-frequency (RF) energy converting unit 20 and interface 28, if radio-frequency (RF) energy converting unit 20 has voltage, show can to charge to electronic installation 3 by wireless charging device 2, voltage sensor 26 sends instruction to power change-over switch 24, with closed the first switch 240.If interface 28 has voltage, show to charge to electronic installation 3 by wired charger 4, voltage sensor 26 sends instruction to power change-over switch 24, with closed second switch 242.It should be noted that, if radio-frequency (RF) energy converting unit 20 and interface 28 have voltage simultaneously, for fear of conflict, conventionally select a kind of mode wherein to charge to electronic installation.In this preferred embodiment, because the charge efficiency of wireless charging device 2 is lower than the efficiency of electronic installation 3 being charged by wired charger 4, therefore, in the situation that radio-frequency (RF) energy converting unit 20 and interface 28 have voltage simultaneously, selecting wired charger 4 to charge to electronic installation 3 (is that voltage sensor 26 sends instruction to power change-over switch 24, close the first switch 240, and open second switch 242).
Described power change-over switch 24, also in the time that the battery of electronic installation 3 is full of electricity, stops electronic installation 3 to charge.Particularly, in the time that the battery of electronic installation 3 is full of electricity, disconnect the first switch 240 and second switch 242, stop electronic installation 3 to supply direct current.In other embodiments, also can send instruction and exchange to stop producing to radio-frequency (RF) energy converting unit 20, and stop the charge function of interface 28.
As shown in Figure 5, be the flow chart that the present invention utilizes the method preferred embodiment that the wireless charging device in Fig. 4 charges.
Step S20, radio-frequency (RF) energy converting unit 20 receives the radio frequency that wireless charging energy emitter 1 transmits, and produces alternating current.In this preferred embodiment, described radio-frequency (RF) energy converting unit 20 comprises a coil, to produce alternating current.
Step S21, the alternating current that voltage conversion unit 22 received RF energy conversion unit 20 transmit, and convert thereof into direct current.In addition the galvanic voltage of changing, is identical with the charging voltage of electronic installation 3.In this preferred embodiment, described voltage conversion unit 22 comprises a motor-generator set, converts alternating current to direct current to realize.
Step S22, whether voltage sensor 26 detects the interface 28 being connected with wired charger 4 voltage.In the time that interface 28 does not have voltage, flow process enters step S23.In the time that interface 28 has voltage, flow process enters step S24.
Step S23, whether voltage sensor 26 detects radio-frequency (RF) energy converting unit 20 voltage.When radio-frequency (RF) energy converting unit 20 has voltage, flow process enters step S25.When radio-frequency (RF) energy converting unit 20 does not have voltage, directly process ends.
Step S24, voltage sensor 26 sends instruction to power change-over switch 24, closed second switch 242, and disconnect the first switch 240, electronic installation 3 is charged by wired charger 4.
Step S25, voltage sensor 26 sends instruction to power change-over switch 24, closed the first switch 240, and disconnect second switch 242, electronic installation 3 is charged by wireless charging device 2.
Step S26, in the time that the battery of electronic installation 3 is full of electricity, power change-over switch 24 stops electronic installation 3 to charge.Particularly, in the time that the battery of electronic installation 3 is full of electricity, disconnect the first switch 240 and second switch 242, stop electronic installation 3 to supply direct current.In other embodiments, also can send instruction and exchange to stop producing to radio-frequency (RF) energy converting unit 20, and stop the charge function of interface 28.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to above preferred embodiment, those of ordinary skill in the art should be appreciated that and can modify or be equal to the spirit and scope that replacement should not depart from technical solution of the present invention technical scheme of the present invention.
Claims (12)
1. a wireless charging device, is characterized in that, this wireless charging device is connected with wireless charging energy emitter and electronic installation, and this wireless charging device comprises:
Radio-frequency (RF) energy converting unit, the radio frequency transmitting for receiving wireless charging energy emitter, and produce alternating current; And
Voltage conversion unit, the alternating current transmitting for received RF energy conversion unit, and convert thereof into direct current, thus with direct current, electronic installation is charged.
2. wireless charging device as claimed in claim 1, is characterized in that, in the time that the battery of electronic installation is full of electricity, described voltage conversion unit stops electronic installation charging.
3. wireless charging device as claimed in claim 1, it is characterized in that, described wireless charging device also comprises power change-over switch, voltage sensor and interface, wherein, described radio-frequency (RF) energy converting unit is connected with described voltage conversion unit, described voltage conversion unit is connected with power change-over switch, voltage sensor is connected with radio-frequency (RF) energy converting unit, power change-over switch and interface, described interface is connected with power change-over switch and wired charger, power change-over switch is also connected with electronic installation, so that electronic installation is charged.
4. wireless charging device as claimed in claim 3, is characterized in that, described power change-over switch comprises the first switch and second switch, and wherein, the first switch is connected with voltage conversion unit and electronic installation, and second switch is connected with interface and electronic installation.
5. wireless charging device as claimed in claim 4, it is characterized in that, whether described voltage sensor has voltage for detection of radio-frequency (RF) energy converting unit, if radio-frequency (RF) energy converting unit has voltage, voltage sensor sends instruction to power change-over switch, closed the first switch, and disconnect second switch, electronic installation is charged by wireless charging device.
6. wireless charging device as claimed in claim 4, it is characterized in that, whether described voltage sensor has voltage for detection of interface, if interface has voltage, voltage sensor sends instruction to power change-over switch, closed second switch, and disconnect the first switch, with by wired charger to charge electronic devices.
7. a method of utilizing the wireless charging device in claim 1 to charge, is characterized in that, the method comprises:
Receive by the radio-frequency (RF) energy converting unit in wireless charging device the radio frequency that wireless charging energy emitter transmits, and produce alternating current;
The alternating current transmitting by the voltage conversion unit received RF energy conversion unit in wireless charging device, and convert thereof into direct current, thus with direct current, electronic installation is charged.
8. the method for utilizing wireless charging device to charge as claimed in claim 7, is characterized in that, the method also comprises step:
In the time that the battery of electronic installation is full of electricity, stop electronic installation charging by voltage conversion unit.
9. the method for utilizing wireless charging device to charge as claimed in claim 7, it is characterized in that, described wireless charging device also comprises power change-over switch, voltage sensor and interface, wherein, described radio-frequency (RF) energy converting unit is connected with described voltage conversion unit, described voltage conversion unit is connected with power change-over switch, voltage sensor and radio-frequency (RF) energy converting unit, power change-over switch and interface connect, described interface is connected with power change-over switch and wired charger, power change-over switch is also connected with electronic installation, so that electronic installation is charged.
10. the method for utilizing wireless charging device to charge as claimed in claim 9, described power change-over switch comprises the first switch and second switch, wherein, the first switch is connected with voltage conversion unit and electronic installation, and second switch is connected with interface and electronic installation.
11. methods of utilizing wireless charging device to charge as claimed in claim 10, is characterized in that, the method also comprises step:
Whether described voltage sensor senses interface has voltage; And
If radio-frequency (RF) energy converting unit has voltage, voltage sensor sends instruction to power change-over switch, closed the first switch, and disconnect second switch, electronic installation is charged by wireless charging device.
12. methods of utilizing wireless charging device to charge as claimed in claim 10, is characterized in that, the method also comprises step:
Whether described voltage sensor senses interface has voltage; And
If interface has voltage, voltage sensor sends instruction to power change-over switch, closed second switch, and disconnect the first switch, with by wired charger to charge electronic devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089626.XA CN104065145B (en) | 2013-03-20 | 2013-03-20 | Wireless charging device and its charging method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089626.XA CN104065145B (en) | 2013-03-20 | 2013-03-20 | Wireless charging device and its charging method |
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| CN104065145A true CN104065145A (en) | 2014-09-24 |
| CN104065145B CN104065145B (en) | 2018-06-19 |
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| CN201310089626.XA Active CN104065145B (en) | 2013-03-20 | 2013-03-20 | Wireless charging device and its charging method |
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| CN105529802A (en) * | 2014-09-29 | 2016-04-27 | 南京德朔实业有限公司 | Charging system |
| CN105529752A (en) * | 2014-09-29 | 2016-04-27 | 南京德朔实业有限公司 | Battery pack and electric tool adopting same |
| CN105529801A (en) * | 2014-09-29 | 2016-04-27 | 南京德朔实业有限公司 | Charging system and charging method thereof |
| CN105529754A (en) * | 2014-09-29 | 2016-04-27 | 南京德朔实业有限公司 | Cell packet and charging method thereof, and electric tool employing cell packet |
| CN106532824A (en) * | 2016-11-15 | 2017-03-22 | 努比亚技术有限公司 | Mobile terminal and charging switching control method |
| CN106549445A (en) * | 2016-10-28 | 2017-03-29 | 努比亚技术有限公司 | Mobile terminal and charging method for handover control |
| CN107294162A (en) * | 2017-07-05 | 2017-10-24 | 深圳传音控股有限公司 | A kind of charging method of wireless charging device and the wireless charging device |
| CN108695952A (en) * | 2017-04-03 | 2018-10-23 | 恩智浦有限公司 | Management circuit |
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| CN107294162B (en) * | 2017-07-05 | 2024-04-16 | 深圳传音控股股份有限公司 | Wireless charging device and charging method thereof |
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| CN104065145B (en) | 2018-06-19 |
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