CN103384092A - Wireless power supply receiving circuit - Google Patents
Wireless power supply receiving circuit Download PDFInfo
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- CN103384092A CN103384092A CN2012101340571A CN201210134057A CN103384092A CN 103384092 A CN103384092 A CN 103384092A CN 2012101340571 A CN2012101340571 A CN 2012101340571A CN 201210134057 A CN201210134057 A CN 201210134057A CN 103384092 A CN103384092 A CN 103384092A
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- wireless power
- receiving circuit
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- resistance
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Abstract
The invention discloses a wireless power supply receiving circuit which is composed of two diodes, a control chip, a capacitor, a resistor and an inductor. The inductor is connected with the foot 2 and the foot 3 of a buck-boost chip in parallel and is connected with the first rectifier diode in series, then the inductor is connected with the foot 2 and the foot 1 of the buck-boost chip in parallel, the resistor is connected with the first light emitting diode in series and is connected with the electrolytic capacitor in parallel, and the electrolytic capacitor, the resistor and the first light emitting diode are further connected between the foot 2 and the foot 1 of the buck-boost chip in parallel. The wireless power supply receiving circuit is low in power consumption, small in loss, safe and convenient to use, low in cost, good in working stability, good in selectivity, strong in capacity to resist disturbance, simple in circuit, high in sensitivity and high in fidelity.
Description
Technical field
The present invention relates to circuit field, be specifically related to a kind of wireless power receiving circuit.
Background technology
The tradition electric energy mainly utilizes the direct way of contact of plain conductor to transmit, and the transfer ratio of power supply is high, and loss is large.The development of wireless power technology has come revolution for traditional electric energy transport tape.Traditional battery is as just energy storage device, and capacity recedes into the background, and built-in wireless power receiving system will have adaptability widely.
In order to solve this series of problems, the invention provides a kind of wireless power receiving circuit, low in energy consumption, loss is little, uses safety, convenient, and cost is low, good operating stability, selectivity is good, and antijamming capability is strong, and circuit is simple, and is highly sensitive, and fidelity is high.
Summary of the invention
The deficiency that exists in order to overcome prior art the invention provides a kind of wireless power receiving circuit, by electromagnetic induction, electronic product is carried out wireless power and charging.
To achieve the above object of the invention, the technical solution adopted in the present invention is:
A kind of wireless power receiving circuit, formed by two diodes, a control chip, an electric capacity, a resistance and an inductance, connect with the first rectifier diode after 2 pin of inductance and lifting chip, 3 pin parallel connections, and in parallel with 2 pin, 1 pin of lifting chip, resistance is in parallel with electrochemical capacitor after connecting with the first light-emitting diode, electrochemical capacitor, resistance and the first light-emitting diode of also being parallel with in parallel between 2 pin of lifting chip and 1 pin.
Further, described the first rectifier diode is selected fast quick-recovery pipe or Schottky tube, and pressure drop is less than or equal to 0.2V.
Further, the voltage that described inductance produces is less than or equal to 5.5V, and inductance value is 14.5uH.
Further, the resistance of described resistance is 222 ohm.
Further, the capacitance of described electrochemical capacitor (C3) is 220pF.
The present invention relatively and the advantage of prior art be:
A kind of wireless power receiving circuit of the present invention, low in energy consumption, loss is little, uses safety, convenient, and cost is low, good operating stability, selectivity is good, and antijamming capability is strong, and circuit is simple, and is highly sensitive, and fidelity is high.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of wireless power receiving circuit of the present invention.
Embodiment
In conjunction with shown in Figure 1, a kind of wireless power receiving circuit, it is characterized in that, formed by two diodes, a control chip, an electric capacity, a resistance and an inductance, connect with the first rectifier diode D after 2 pin of inductance L 2 and lifting chip 5819,3 pin parallel connections, and in parallel with 2 pin, 1 pin of lifting chip 5819, resistance R 5 is in parallel with electrochemical capacitor C3 after connecting with the first LED, electrochemical capacitor C3, resistance R 5 and the first LED of also being parallel with in parallel between 2 pin of lifting chip 5819 and 1 pin.The output of receiving circuit is connected with electric equipment, the electric energy that input receives from radiating circuit by inductance L 2, and it is transferred to electric equipment.When the actual measurement receiving circuit was exported the electric current of 20mA-100mA, output voltage is 2-8V approximately, powered in real time for electric equipment.
And the first rectifier diode D has determined the maximum permissible current of whole circuit, should select fast quick-recovery pipe or Schottky tube, and pressure drop is less than or equal to 0.2V.
In addition, the initial start voltage of the number of turn decision-making circuit of inductance L 2, the voltage that requires inductance L 2 to produce is less than or equal to 5.5V, and inductance value is 14.5uH.
Moreover the resistance of resistance R 5 is 222 ohm.And the capacitance of electrochemical capacitor (C3) is 220pF.
In sum, a kind of wireless power receiving circuit of the present invention, low in energy consumption, loss is little, uses safety, convenient, and cost is low, good operating stability, selectivity is good, and antijamming capability is strong, and circuit is simple, and is highly sensitive, and fidelity is high.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. wireless power receiving circuit, it is characterized in that, by two diodes, a control chip, an electric capacity, a resistance and an inductance form, 2 pin of inductance (L2) and lifting chip (5819), connect with the first rectifier diode (D) after 3 pin parallel connections, and with 2 pin of lifting chip (5819), 1 pin is in parallel, it is in parallel with electrochemical capacitor (C3) after resistance (R5) is connected with the first light-emitting diode (LED), the electrochemical capacitor (C3) that also is parallel with in parallel between 2 pin of lifting chip (5819) and 1 pin, resistance (R5) and the first light-emitting diode (LED).
2. wireless power receiving circuit according to claim 1, is characterized in that, described the first rectifier diode (D) is selected fast quick-recovery pipe or Schottky tube, and pressure drop is less than or equal to 0.2V.
3. wireless power receiving circuit according to claim 1, is characterized in that, the voltage that described inductance (L2) produces is less than or equal to 5.5V, and inductance value is 14.5uH.
4. wireless power receiving circuit according to claim 1, is characterized in that, the resistance of described resistance (R5) is 222 ohm.
5. wireless power receiving circuit according to claim 1, is characterized in that, the capacitance of described electrochemical capacitor (C3) is 220pF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101340571A CN103384092A (en) | 2012-05-03 | 2012-05-03 | Wireless power supply receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101340571A CN103384092A (en) | 2012-05-03 | 2012-05-03 | Wireless power supply receiving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103384092A true CN103384092A (en) | 2013-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101340571A Pending CN103384092A (en) | 2012-05-03 | 2012-05-03 | Wireless power supply receiving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103384092A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110062793A1 (en) * | 2008-03-17 | 2011-03-17 | Powermat Ltd. | Transmission-guard system and method for an inductive power supply |
| CN102048367A (en) * | 2010-10-09 | 2011-05-11 | 惠州市德赛视听科技有限公司 | Wireless power supply desktop |
| CN202134966U (en) * | 2011-04-28 | 2012-02-01 | 惠州市德赛视听科技有限公司 | Wireless power supply system of remote controller without cell and remote controller |
| CN202602384U (en) * | 2012-05-03 | 2012-12-12 | 苏州强芯电子有限公司 | Wireless power supply receiving circuit |
-
2012
- 2012-05-03 CN CN2012101340571A patent/CN103384092A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110062793A1 (en) * | 2008-03-17 | 2011-03-17 | Powermat Ltd. | Transmission-guard system and method for an inductive power supply |
| CN102048367A (en) * | 2010-10-09 | 2011-05-11 | 惠州市德赛视听科技有限公司 | Wireless power supply desktop |
| CN202134966U (en) * | 2011-04-28 | 2012-02-01 | 惠州市德赛视听科技有限公司 | Wireless power supply system of remote controller without cell and remote controller |
| CN202602384U (en) * | 2012-05-03 | 2012-12-12 | 苏州强芯电子有限公司 | Wireless power supply receiving circuit |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Qiangxin Electronics Co.,Ltd. Document name: the First Notification of an Office Action |
|
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Qiangxin Electronics Co.,Ltd. Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131106 |