CN202712949U - Wireless charger - Google Patents
Wireless charger Download PDFInfo
- Publication number
- CN202712949U CN202712949U CN2012204132754U CN201220413275U CN202712949U CN 202712949 U CN202712949 U CN 202712949U CN 2012204132754 U CN2012204132754 U CN 2012204132754U CN 201220413275 U CN201220413275 U CN 201220413275U CN 202712949 U CN202712949 U CN 202712949U
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- energy
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- wireless charger
- coupling coil
- circuit
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Abstract
The utility model discloses a wireless charger. The wireless charger comprises an energy sending unit and an energy receiving unit, wherein the energy sending unit transmits energy to the energy receiving unit with the medium of air. The energy sending unit comprises a power supply management module, a high-frequency oscillation module, a power amplification module and a first coupling coil which are connected successively; and the energy receiving unit comprises a second coupling coil, an energy conversion module, a control circuit module and charging terminals, wherein the second coupling coil is connected with the energy conversion module, and the energy conversion module is connected with the charging terminals and the control circuit module respectively. The wireless charger can realize wireless charging, wherein the structure is simple, the usage is convenient and safe, and it is not necessary to worry about problems that charged products are damaged by electric leakage or power off of wires for thunder strikes.
Description
Technical field
The utility model relates to the charging field, relates in particular to a kind of wireless charger.
Background technology
It all is that metal cords comes everywhere transferring electric power that conventional electric power is carried, until the every nook and cranny that today, power supply network, high/low line ball spread all over the world, electric power science and technology is also brought safety problem simultaneously, electric wire can leak electricity in the thunderous electric shock, the problem such as outage produces, and personal safety, property loss event etc. more likely occur.
The development of electronic information technology is advanced by leaps and bounds, the trend that present movement and cordless communication network merge day by day, rely on new generation of wireless network technology people " at any time, everywhere " to network, the wireless power technology, will be so that the digital mobile product such as mobile phone, notebook computer " every sky " charging brings more convenient and safer charging modes to people like this.
The utility model content
Main purpose of the present utility model provides a kind of wireless charger, and being intended to can wireless charging and form simple, convenient and safe.
The utility model provides a kind of wireless charger, comprise energy transmitting element and energy receiving element, described energy transmitting element is take air as the medium transferring energy to the energy receiving element, and described energy transmitting element comprises power management module, high frequency oscillation module, power amplifier module and the first coupling coil that connects successively.
Described energy receiving element comprises the second coupling coil, energy conversion module, control circuit module and charging terminal, and described the second coupling coil connects energy conversion module, and described energy conversion module connects respectively charging terminal and control circuit module.
Preferably, described high frequency oscillation module comprises the crystal oscillating circuit that is comprised of CD4069.
Preferably, a circuit of three-terminal voltage-stabilizing integrated 7805 is used for providing the supply voltage of CD4069.
Preferably, power amplifier module comprises a field effect transistor, establishes bias circuit on the grid circuit of this field effect transistor and reveals circuit.
Be different from the wired charger of prior art, the utility model can wireless charging and is formed simple, the convenient use, and uses safety, does not worry that thunder and lightning hits the problems such as electric wire can leak electricity, outage, shines into damage to charge prepd.
Description of drawings
Fig. 1 is the structured flowchart of wireless charger of the present utility model.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Be described further with regard to the technical solution of the utility model below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of wireless charger.
With reference to Fig. 1, Fig. 1 is the structured flowchart of wireless charger of the present utility model
In the present embodiment, wireless charger of the present utility model comprises energy transmitting element and energy receiving element, the energy transmitting element is take air as the medium transferring energy to the energy receiving element, and the energy transmitting element comprises power management module, high frequency oscillation module, power amplifier module and the first coupling coil that connects successively.The energy receiving element comprises the second coupling coil, energy conversion module, control circuit module and charging terminal, and the second coupling coil connects energy conversion module, and energy conversion module connects respectively charging terminal and control circuit module.The principle of work of the present utility model is: when the energy transmitting element is worked, power management module is connected on the external power source, external power source can make direct current, also can alternating current, then power management module is connected on the high frequency oscillation module, carry out oscillation treatment, the signal after then will vibrating such as amplifies at the processing in power amplifier unit, by the first even coupling coil energy one electromagnetic form is passed at last; During the work of energy receiving element, the second coupling coil receives the energy of the first coupling coil, then this energy being sent to energy conversion module is electric energy with power conversion, then give the control circuit module for power supply, the control circuit module has the work of the energy conversion module controlled simultaneously, then energy conversion module connects charging terminal, and charging terminal can charge to charge prepd.
In the present embodiment, high frequency oscillation module comprises the crystal oscillating circuit that is comprised of CD4069, in the present embodiment, with the crystal oscillating circuit of cmos circuit hex inverter CD4069.In the present embodiment, a circuit of three-terminal voltage-stabilizing integrated 7805 is used for providing the supply voltage of CD4069, can prevent that like this supply voltage that offers CD4069 from surpassing certain numerical value or unstable.
In the present embodiment, power amplifier module comprises a field effect transistor, establishes bias circuit on the grid circuit of this field effect transistor and reveals circuit, can guarantee the circuit steady operation.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (4)
1. a wireless charger comprises energy transmitting element and energy receiving element, and described energy transmitting element is take air as the medium transferring energy to the energy receiving element, and device is characterised in that,
Described energy transmitting element comprises power management module, high frequency oscillation module, power amplifier module and the first coupling coil that connects successively,
Described energy receiving element comprises the second coupling coil, energy conversion module, control circuit module and charging terminal, and described the second coupling coil connects energy conversion module, and described energy conversion module connects respectively charging terminal and control circuit module.
2. wireless charger as claimed in claim 1 is characterized in that, described high frequency oscillation module comprises the crystal oscillating circuit that is comprised of CD4069.
3. wireless charger as claimed in claim 2 is characterized in that, a circuit of three-terminal voltage-stabilizing integrated 7805 is used for providing the supply voltage of CD4069.
4. wireless charger as claimed in claim 2 is characterized in that, power amplifier module comprises a field effect transistor, establishes bias circuit on the grid circuit of this field effect transistor and reveals circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204132754U CN202712949U (en) | 2012-08-20 | 2012-08-20 | Wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204132754U CN202712949U (en) | 2012-08-20 | 2012-08-20 | Wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712949U true CN202712949U (en) | 2013-01-30 |
Family
ID=47593214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204132754U Expired - Fee Related CN202712949U (en) | 2012-08-20 | 2012-08-20 | Wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226762A (en) * | 2015-10-29 | 2016-01-06 | 宁波力芯科信息科技有限公司 | A kind of wireless charger equipment and wireless charging method |
| CN106816938A (en) * | 2015-11-30 | 2017-06-09 | 中惠创智无线供电技术有限公司 | A kind of low-power wireless charging device |
-
2012
- 2012-08-20 CN CN2012204132754U patent/CN202712949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226762A (en) * | 2015-10-29 | 2016-01-06 | 宁波力芯科信息科技有限公司 | A kind of wireless charger equipment and wireless charging method |
| CN106816938A (en) * | 2015-11-30 | 2017-06-09 | 中惠创智无线供电技术有限公司 | A kind of low-power wireless charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20140820 |
|
| EXPY | Termination of patent right or utility model |