CN203645356U - Mobile phone wireless charging device - Google Patents
Mobile phone wireless charging device Download PDFInfo
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- CN203645356U CN203645356U CN201320695694.6U CN201320695694U CN203645356U CN 203645356 U CN203645356 U CN 203645356U CN 201320695694 U CN201320695694 U CN 201320695694U CN 203645356 U CN203645356 U CN 203645356U
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Abstract
The utility model relates to a wireless charging device of electronic products, and especially relates to a mobile phone wireless charging device. The wireless mobile phone charging device comprises a power supply, a high-frequency oscillating circuit, a power amplification circuit, a wireless transmitting coil, a wireless reception module, a receiving coil, and a rectification filter circuit. The functional circuits of the mobile phone wireless charging device make the best use of an integrated IC chip, so the device is small in volume, convenient in installation, stable in performance, and high in safety coefficient.
Description
Technical field
The utility model relates to a kind of wireless charging device of electronic product, especially a kind of Mobile phone wireless charging device.
Background technology
Existing electronic product charging modes is all to adopt wired charging device and external power supply to peg graft it is charged, and often various electronic products have each self-corresponding charging device, if not carrying corresponding charging device cannot be electronic product charging, it is very inconvenient to use.
Mobile phone is carried out to scheme existing certain research, for example Chinese utility model patent of wireless charging: vehicle carried mobile phone wireless charging device, open day is 2012.07.25, publication number is: the patent documentation of CN202353285U: it is mainly the vehicle-mounted charging device for Automobile Design, transmitter module volume is larger, takes up room, and is not suitable for family expenses, versatility is poor, and mobile phone must be supported Qi standard, under current state, only have little part of cell phone to support Qi, expensive, be far from popularizing.The utility model comprises two modules, not only has transmitter module, and has receiver module; only receiver module need be placed in to phone housing or protective sleeve; can realize wireless charging, the general all mobile phones with female mouthful of micro usb of receiver module, have stronger applicability.
Utility model content
It can be the device that the electronic products such as mobile phone are realized wireless charging that the purpose of this utility model is to provide a kind of.
The purpose of this utility model is achieved in that
Mobile phone wireless charging device, comprises power supply, high-frequency oscillating circuits, power amplification circuit, wireless transmission coil, wireless receiving module, receiving coil, current rectifying and wave filtering circuit:
Power supply is 5～12V DC power supply;
High-frequency oscillating circuits: connect the first resistance R between 1 pin in chip XKT-408A and 2 pin
1, resistance size is 9.1K, between 3 pin and 1 pin, connects 1000pf electric capacity, 4 pin ground connection, and 3 pin and 7 pin short circuits, 8 pin connect 5～12V power supply and power, and 5 pin are unsettled, and the high-frequency signal access chip T3168 of 6 pin outputs carries out high-frequency signal power amplification;
Power amplification circuit: chip T5336 1 pin ground connection, 10uf electric capacity is connected and is connected across in DC power supply, 7 pin and 8 pin short circuits, 393 electric capacity in parallel with two are connected with DC power supply, 3 pin and 4 pin short circuits, 5 pin 6 pin are unsettled, and transmitting coil is connected across between 7 pin and power supply;
Receiving coil cross-over connection 153 electric capacity, one end ground connection, and one end series connection 2A/60V Schottky diode, another termination 10uf/25V polar capacitor;
2 pin that the output signal of receiver module is sent into chip T3168 carry out rectification, and wherein 4 pin ground connection, connect IN5819 Schottky diode between 4 pin, 3 pin, 7 pin connect 2 pin, and 3 pin, 2 pin are connected, and connect 22uH inductance, 1 pin, 8 pin, 6 pin are unsettled, and 5 pin connect between the second resistance R 2 and the 3rd resistance, wherein the second resistance sizes is 6.2K, the 3rd resistance sizes is 2K, and cross-over connection 10uf polar capacitor between inductance and ground is drawn two lines and is the output of 5V direct current.
The beneficial effects of the utility model are: described in this Mobile phone wireless charging device, functional circuit utilizes integrated IC chip as far as possible, and volume is little, easy for installation, stable performance, and coefficient of safety is high.High-frequency oscillating circuits adopts chip XKT-408A, effectively forms high-frequency signal; Power amplification circuit adopts chip T5336, realizes the amplification of high-frequency signal; Current rectifying and wave filtering circuit adopts chip T3168, and it is mobile phone charging that high efficiency rectification becomes direct current.Adopt integrated special chip greatly to increase work efficiency and electrical security.Mobile phone wireless receiver module can be arranged in phone housing and protective sleeve; in the time that needs charge for mobile phone; mobile phone is placed in to the charging zone of wireless charging device; can realize mobile phone wireless charging; wireless receiving module also can be arranged in mobile phone protective cover; draw both positive and negative polarity and be connected with the both positive and negative polarity of the public mouth of micro usb of dust plug pattern, the seamless link that realization and mobile phone micro usb are female mouthful, the outer aesthetic of guarantee mobile phone.
Brief description of the drawings
Figure mono-is the circuit theory diagrams of the transmitter module of a kind of Mobile phone wireless charging device of the utility model;
Figure bis-is circuit theory diagrams of the receiver module of a kind of Mobile phone wireless charging device of the utility model;
Figure tri-is functional block diagrams of the transmitter module of a kind of Mobile phone wireless charging device of the utility model;
Figure tetra-is functional block diagrams of the receiver module of a kind of Mobile phone wireless charging device of the utility model;
Figure five is public mouthful of dust plug Design Plans of the micro usb of a kind of Mobile phone wireless charging device of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
The utility model discloses a kind of Mobile phone wireless charging device, summarize: wireless transmitter module: comprise high-frequency oscillating circuits, high-frequency power amplifying circuit, transmitting coil; Wireless receiving module: comprise receiving coil, current rectifying and wave filtering circuit, output.It is the transmission that the mode of electromagnetic induction realizes energy that described wireless charging receiver module and described wireless charging transmitter module utilize the coupling of transmitting coil and receiving coil.Receiver module structure is small and exquisite; thickness is very little; be only 0.20 millimeter; can be placed in easily cell phone rear cover or protective sleeve; the both positive and negative polarity of output is dark cabling in mobile phone shell or protective sleeve, public mouthful of a bonding micro usb in protective sleeve, and appearance design becomes dust plug pattern; female mouthful of seamless link of micro usb with mobile phone, does not affect outward appearance.Receiver module is placed in and the utility model has the advantages that: save the connection of various charging wires, and convenient and swift, to put and fill, versatility is good.
A kind of wireless phone charging device, comprising: high-frequency oscillating circuits, power amplification circuit, wireless transmission coil, wireless receiving module: it is mobile phone charging that receiving coil, current rectifying and wave filtering circuit become direct current.
Power supply is 5～12V DC power supply, high-frequency oscillating circuits is mainly: between 1 pin in XKT-408A and 2 pin, connecing R1 resistance sizes is 9.1K, between 3 pin and 1 pin, connect 1000pf electric capacity, 4 pin ground connection, 3 pin and 7 pin short circuits, 8 pin connect 5～12V voltage and power, and pin is unsettled, the high-frequency signal that 6 pin are exported, access T3168 carries out high-frequency signal power amplification.
The core of power amplification circuit is chip T5336, wherein can carry out power amplification to high-frequency signal, wherein 1 pin ground connection, and be connected and be connected across in DC power supply with 10uf electric capacity, 7 pin and 8 pin short circuits, 393 electric capacity in parallel with two are connected with DC power supply, 3 pin and 4 pin short circuits, 5 pin 6 pin are unsettled.Transmitting coil is connected across between 7 pin and power supply, outwards emittance.
Receiving coil cross-over connection 153 electric capacity, one end ground connection, and one end series connection 2A/60V Schottky diode, another termination 10uf/25V polar capacitor.
2 pin that the output signal of receiver module is sent into T3168 carry out rectification, and wherein 4 pin ground connection connect IN5819 Schottky diode between 4 pin 3 pin, 7 pin connect 2 pin, and 3 pin 2 pin are connected, and connect 22uH inductor filter, 1 pin, 8 pin, 6 pin are unsettled, and 5 pin connect between R2 and R4, wherein R2 size is 6.2K, R4 size is 2K, and cross-over connection 10uf polar capacitor between inductance and ground is drawn two lines and is the output of 5V direct current.
Wireless receiving module is placed between phone housing and battery of mobile phone or is positioned among mobile phone protective cover; the both positive and negative polarity of output is dark cabling in mobile phone shell or protective sleeve; public mouthful of a bonding micro usb in protective sleeve; appearance design becomes dust plug pattern (as figure five); female mouthful of seamless link of micro usb with mobile phone; can realize charging, not affect again outward appearance.
Technical solution of the present utility model is: a kind of Mobile phone wireless charging device, comprise: high-frequency oscillating circuits, high-frequency power amplifying circuit, wireless transmission coil, wireless receiving module, power supply is connected with high-frequency generator, and high frequency power amplifier is arranged between high-frequency generator and wireless transmission coil, and wireless receiving module is made up of wireless receiving coil and current rectifying and wave filtering circuit.
Power supply signal removes to form high-frequency signal by the higher-order of oscillation, high frequency power amplifier amplifies high-frequency signal, high-frequency signal after amplification is by the coupling between wireless coil and wireless receiving coil, energy is wirelessly communicated to wireless receiving module, and after current rectifying and wave filtering circuit effect, becoming direct current is mobile phone charging.
Described in this Mobile phone wireless charging device, functional circuit utilizes integrated IC chip as far as possible, and volume is little, easy for installation, stable performance, and coefficient of safety is high.
High-frequency oscillating circuits adopts chip XKT-408A, effectively forms high-frequency signal; Power amplification circuit adopts chip T5336, realizes the amplification of high-frequency signal; Current rectifying and wave filtering circuit adopts chip T3168, and it is mobile phone charging that high efficiency rectification becomes direct current.Adopt integrated
Mobile phone wireless receiver module can be arranged in phone housing and protective sleeve, in the time that needs charge for mobile phone, mobile phone is placed in to the charging zone of wireless charging device, can realize mobile phone wireless charging,
Wireless receiving module also can be arranged in mobile phone protective cover, draws both positive and negative polarity and is connected with the both positive and negative polarity of the public mouth of micro usb of dust plug pattern, the seamless link that realization and mobile phone micro usb are female mouthful, the outer aesthetic of guarantee mobile phone.
Power supply signal removes to form high-frequency signal by the higher-order of oscillation, high frequency power amplifier amplifies high-frequency signal, high-frequency signal after amplification is by the coupling between wireless coil and wireless receiving coil, energy is wirelessly communicated to wireless receiving module, and after rectifier filter effect, becoming direct current is mobile phone charging.
For the transmitter module of wireless charging, with reference to figure mono-: connecing R1 resistance sizes between 1 pin in XKT-408A and 2 pin is 9.1K, between 3 pin and 1 pin, connect 1000pf electric capacity, 4 pin ground connection, 3 pin and 7 pin short circuits, 8 pin connect 5～12V voltage and power, and pin is unsettled, the high-frequency signal that 6 pin are exported, access T3168 carries out high-frequency signal power amplification.
Power amplification circuit chips model is T5336, can carry out power amplification to high-frequency signal, wherein 1 pin ground connection, and be connected and be connected across in DC power supply with 10uf electric capacity, 7 pin and 8 pin short circuits, 393 electric capacity in parallel with two are connected with DC power supply, 3 pin and 4 pin short circuits, 5 pin 6 pin are unsettled.Transmitting coil is connected across between 7 pin and power supply, outwards emittance.
For the transmitter module of wireless charging, with reference to figure bis-: receiving coil cross-over connection 153 electric capacity, one end ground connection, and one end series connection 2A/60V Schottky diode, another termination 10uf/25V polar capacitor.
2 pin that output signal is sent into T3168 carry out rectification, and wherein 4 pin ground connection connect IN5819 Schottky diode between 4 pin 3 pin, 7 pin connect 2 pin, and 3 pin 2 pin are connected, and connect 22uH inductor filter, 1 pin, 8 pin, 6 pin are unsettled, and 5 pin connect between R2 and R4, wherein R2 size is 6.2K, R4 size is 2K, and cross-over connection 10uf polar capacitor between inductance and ground is drawn two lines and is the output of 5V direct current.
Receiver module obtains the output of 5V direct current, and connecting by public mouthful of micro usb to be directly mobile phone charging.
Described wireless receiving module also can be arranged in mobile phone protective cover, and the output of 5V direct current is drawn both positive and negative polarity by female mouthful of seamless being connected of the male mouth of micro usb and mobile phone micro usb.
As shown in Figure 5, the public mouth of micro usb is designed to charge port dust plug pattern, and the output both positive and negative polarity of receiver module is connected with the both positive and negative polarity of micro usb, and in mobile phone shell or protective sleeve, dark cabling, can realize wireless charging, and not affect outward appearance.
Claims (1)
1. a Mobile phone wireless charging device, comprises power supply, high-frequency oscillating circuits, power amplification circuit, wireless transmission coil, and wireless receiving module, receiving coil, current rectifying and wave filtering circuit, is characterized in that:
Power supply is 5～12V DC power supply;
High-frequency oscillating circuits: connect the first resistance R between 1 pin in chip XKT-408A and 2 pin
1, resistance size is 9.1K, between 3 pin and 1 pin, connects 1000pf electric capacity, 4 pin ground connection, and 3 pin and 7 pin short circuits, 8 pin connect 5～12V power supply and power, and 5 pin are unsettled, and the high-frequency signal access chip T3168 of 6 pin outputs carries out high-frequency signal power amplification;
Power amplification circuit: chip T5336 1 pin ground connection, 10uf electric capacity is connected and is connected across in DC power supply, 7 pin and 8 pin short circuits, 393 electric capacity in parallel with two are connected with DC power supply, 3 pin and 4 pin short circuits, 5 pin 6 pin are unsettled, and transmitting coil is connected across between 7 pin and power supply;
Receiving coil cross-over connection 153 electric capacity, one end ground connection, and one end series connection 2A/60V Schottky diode, another termination 10uf/25V polar capacitor;
2 pin that the output signal of receiver module is sent into chip T3168 carry out rectification, and wherein 4 pin ground connection, connect IN5819 Schottky diode between 4 pin, 3 pin, 7 pin connect 2 pin, and 3 pin, 2 pin are connected, and connect 22uH inductance, 1 pin, 8 pin, 6 pin are unsettled, and 5 pin connect between the second resistance R 2 and the 3rd resistance, wherein the second resistance sizes is 6.2K, the 3rd resistance sizes is 2K, and cross-over connection 10uf polar capacitor between inductance and ground is drawn two lines and is the output of 5V direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320695694.6U CN203645356U (en) | 2013-11-05 | 2013-11-05 | Mobile phone wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320695694.6U CN203645356U (en) | 2013-11-05 | 2013-11-05 | Mobile phone wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645356U true CN203645356U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320695694.6U Expired - Fee Related CN203645356U (en) | 2013-11-05 | 2013-11-05 | Mobile phone wireless charging device |
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| CN (1) | CN203645356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149010A (en) * | 2019-02-28 | 2019-08-20 | 江苏理工学院 | A kind of fast wireless charging system |
| CN110994809A (en) * | 2019-03-25 | 2020-04-10 | 北京超分科技有限公司 | Floating ground isolation high-voltage power supply |
-
2013
- 2013-11-05 CN CN201320695694.6U patent/CN203645356U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149010A (en) * | 2019-02-28 | 2019-08-20 | 江苏理工学院 | A kind of fast wireless charging system |
| CN110994809A (en) * | 2019-03-25 | 2020-04-10 | 北京超分科技有限公司 | Floating ground isolation high-voltage power supply |
| CN110994809B (en) * | 2019-03-25 | 2021-03-09 | 北京超分科技有限公司 | Floating ground isolation high-voltage power supply |
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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: 20140611 Termination date: 20161105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |