CN203261104U - Wireless charging mobile phone - Google Patents

Abstract

A wireless charging mobile phone, the wireless charging mobile phone includes a wireless charging module and a rechargeable battery, the wireless charging module includes a coil group, a rectifier circuit, a filter circuit, a resonant circuit, and a charging circuit, wherein the output end of the coil group is connected to the input of the rectifier circuit The output terminal of the rectifier circuit is connected to the input terminal of the filter circuit, the output terminal of the filter circuit is connected to the input terminal of the resonance circuit, the output terminal of the resonance circuit is connected to the charging circuit, and the output terminal of the charging circuit is connected to the rechargeable battery. The utility model is suitable for portable small electronic products, and proposes a wireless charging device for wireless charging of mobile phones, using induction coils and resonant circuits to generate resonance currents, and magnetic induction to generate electric energy that can charge mobile phone rechargeable batteries . It is convenient to charge the mobile phone during mobile use without being bound and restrained by wires.

Description

wireless charging mobile phone

【Technical field】

The utility model relates to a mobile communication device, in particular to a wireless charging mobile phone.

【Background technique】

Modern portable electronic products, such as mobile phones, PDAs, MP3 players, PSPs, etc., all use rechargeable batteries. Because they are used for a long time and need to be used frequently, the power consumption is large, and the battery power is easily exhausted. With the continuous advancement of modern technology, the speed of product replacement is also getting faster and faster. These portable electronic products seem to be playing an increasingly important and indispensable role in people's lives, and they need to be kept fully charged at all times. Charging with a wired charging device is a very conventional and traditional charging method, but this charging method limits the range of activities of electronic products, and is bound by wires within a relatively small range of movement, which is inconvenient to use. Wireless charging device has become a good charging research direction.

【Content of invention】

Aiming at the above problems, the utility model proposes a wireless charging mobile phone, and uses a wireless charging device to realize the purpose of wirelessly transmitting electric energy to the charging battery of the mobile phone. The wireless charging device can stably transmit electric energy over a long distance, has a wide application range and high transmission efficiency.

The utility model relates to a wireless charging mobile phone. The wireless charging mobile phone includes a wireless charging module and a rechargeable battery. The wireless charging module includes a coil group, a rectifier circuit, a filter circuit, a resonant circuit, and a charging circuit. The input end of the rectification circuit, the output end of the rectification circuit are connected to the input end of the filter circuit, the output end of the filter circuit is connected to the input end of the resonant circuit, and the output end of the resonant circuit is connected to the charging circuit, and the output end of the charging circuit is connected to the rechargeable battery.

The coil group includes a magnetic field induction coil and an oscillating coil, and the magnetic field induction coil and the oscillating coil are connected in series to form a coil group.

The wireless charging mobile phone is also equipped with a wireless radio frequency power supply module, the wireless radio frequency power supply module includes an input circuit connected to the mains, an overfrequency oscillation circuit, an amplifier circuit and a transmitting coil, wherein the input end of the input circuit is directly connected to the mains, and the input circuit The output end is connected to the power input end of the amplifying circuit, the output end of the overfrequency oscillation circuit is connected to the signal input end of the amplifying circuit, and the output end of the amplifying circuit is connected to the transmitting coil.

The transmitting coil generates an alternating magnetic field and transmits it around, forming a radiating alternating magnetic field around the magnetic field transmitting coil. When the wireless charging module of the mobile phone enters the radiation range of the alternating magnetic field, the induction coil generates a current.

A wireless charging mobile phone, the wireless charging mobile phone includes a wireless charging module, a rechargeable battery and a wireless radio frequency power supply module, characterized in that the wireless charging module includes a coil group, a rectifier circuit, a filter circuit, a resonance circuit, and a charging circuit, wherein the coil The output end of the group is connected to the input end of the rectification circuit, the output end of the rectification circuit is connected to the input end of the filter circuit, the output end of the filter circuit is connected to the input end of the resonance circuit, and the output end of the resonance circuit is connected to the charging circuit, and the output end of the charging circuit Connect the rechargeable battery; the wireless radio frequency power supply module includes an input circuit connected to the mains, an overfrequency oscillation circuit, an amplifying circuit and a transmitting coil, wherein the input end of the input circuit is directly connected to the mains, and the output end of the input circuit is connected to the power supply of the amplifying circuit The input terminal and the output terminal of the overfrequency oscillation circuit are connected to the signal input terminal of the amplifying circuit, and the output terminal of the amplifying circuit is connected to the transmitting coil; the transmitting coil generates an alternating magnetic field, and the induction coil induces the alternating magnetic field to generate a current.

The utility model is suitable for portable small electronic products, and proposes a wireless charging device for wireless charging of mobile phones, using induction coils and resonant circuits to generate resonance currents, and magnetic induction to generate electric energy that can charge mobile phone rechargeable batteries . It is convenient to charge the mobile phone during mobile use without being bound and restrained by wires.

【Description of drawings】

Fig. 1 is a structural schematic diagram of the wireless charging mobile phone of the present invention.

Among them: 10. Wireless charging module; 11. Coil group; 111. Magnetic field induction coil; 112. Oscillating coil; 12. Finishing circuit; 13. Filter circuit; 14. Resonant circuit; 15. Charging circuit; 20. Rechargeable battery; 30 . Wireless radio frequency power supply module; 31. Input circuit; 32. Overfrequency oscillation circuit; 33. Amplifying circuit; 34. Transmitting coil.

【Detailed ways】

The wireless charging mobile phone of the present utility model will be described in detail below with reference to the accompanying drawings and embodiments.

Please refer to FIG. 1 : it shows a wireless charging mobile phone, which includes a wireless charging module 10 and a rechargeable battery 20. The wireless charging module 10 includes a coil group 11, a rectifier circuit 12, a filter circuit 13, a resonance circuit 14, Charging circuit 15, wherein the output end of the coil group 11 is connected to the input end of the rectification circuit 12, the output end of the rectification circuit 12 is connected to the input end of the filter circuit 13, the output end of the filter circuit 13 is connected to the input end of the resonant circuit 14, and the resonant circuit The output terminal of 14 is connected to the charging circuit 15, and the output terminal of the charging circuit 15 is connected to the rechargeable battery 20.

The coil set 11 includes a magnetic field induction coil 111 and an oscillating coil 112 , the magnetic field induction coil 111 and the oscillating coil 112 are connected in series to form the coil set 11 .

The wireless charging mobile phone is also equipped with a wireless radio frequency power supply module 30, which includes an input circuit 31 connected to the mains, an overfrequency oscillation circuit 32, an amplifier circuit 33 and a transmitting coil 34, wherein the input end of the input circuit 31 is directly connected to the mains. The output end of the input circuit 31 is connected to the power input end of the amplifying circuit 33, the output end of the super frequency oscillator circuit 32 is connected to the signal input end of the amplifying circuit 33, and the output end of the amplifying circuit 33 is connected to the transmitting coil 34.

The transmitting coil 34 generates an alternating magnetic field and transmits it to the surroundings, forming a radiating alternating magnetic field around the magnetic field transmitting coil 34. When the wireless charging module 10 of the mobile phone enters the radiation range of the alternating magnetic field, the induction coil generates current.

Specifically, a more complete configuration scheme is that the standard configuration in the wireless charging mobile phone includes a wireless charging module 10, a rechargeable battery 20 and a wireless radio frequency power supply module 30, and the wireless charging module 10 includes a coil assembly 11, so The coil group 11 includes a magnetic field induction coil 111 and an oscillating coil 112, the magnetic field induction coil 111 and the oscillating coil 112 are connected in series to form the coil group 11; the wireless charging module 10 includes a rectifier circuit to rectify the current flowing through the circuit; it includes a filter circuit 13 , the peak voltage of the circuit in the circuit is filtered; the resonance circuit 14 excites the resonance current; and the charging circuit 15, the charging circuit 15 is used to charge the rechargeable battery, wherein the output end of the coil group 11 is connected to the rectifying circuit 12 The input terminal, the output terminal of the rectifier circuit 12 is connected to the input terminal of the filter circuit 13, the output terminal of the filter circuit 13 is connected to the input terminal of the resonant circuit 14, and the output terminal of the resonant circuit 14 is connected to the charging circuit 15, and the output terminal of the charging circuit 15 is connected to Rechargeable battery 20; the wireless radio frequency power supply module 30 includes an input circuit 31 connected to the commercial power, an overfrequency oscillation circuit 32, an amplifying circuit 33 and a transmitting coil 34, wherein the input terminal of the input circuit 31 is directly connected to the commercial power, and the input circuit 31 The output end is connected to the power supply input end of the amplifier circuit 33, the output end of the overfrequency oscillation circuit 32 is connected to the signal input end of the amplifier circuit 33, and the output end of the amplifier circuit 33 is connected to the transmitting coil 34; the transmitting coil 34 produces an alternating magnetic field, The induction coil induces the alternating magnetic field to generate a current.

The above description is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as above with the preferred embodiment, it is not used to limit the utility model. Anyone who is familiar with the utility model Professional technicians, without departing from the scope of the technical solution of the utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but if they do not deviate from the technical solution of the utility model, according to The technology of the utility model refers to any simple modification, equivalent change and modification made to the above embodiments, all belong to the scope of the technical solution of the utility model.

Claims (5)

1. wireless charging mobile phone, this wireless charging mobile phone comprises wireless charging module and rechargeable battery, it is characterized in that, this wireless charging module comprises coil groups, rectification circuit, filter circuit, resonant circuit, charging circuit, wherein the output of coil groups connects the input of rectification circuit, the output of rectification circuit connects the input of filter circuit, the output of filter circuit connects the input of resonant circuit, and the output of resonant circuit connects charging circuit, and the output of charging circuit connects rechargeable battery.

2. wireless charging mobile phone according to claim 1, is characterized in that, described coil groups comprises magnetic field induction coil and oscillator coil, and the magnetic field induction coil is connected with oscillator coil and consisted of coil groups.

3. wireless charging mobile phone according to claim 1, it is characterized in that, this wireless charging mobile phone also disposes the less radio-frequency supply module, this less radio-frequency supply module comprises input circuit, overclocking oscillating circuit, amplifying circuit and the transmitting coil that connects civil power, wherein the input of input circuit directly connects civil power, and the output of input circuit connects the power input of amplifying circuit, the output of overclocking oscillating circuit connects the signal input part of amplifying circuit, and the output of amplifying circuit is connected to transmitting coil.

4. wireless charging mobile phone according to claim 3, is characterized in that, described transmitting coil produces alternating magnetic field, and induction coil is responded to this alternating magnetic field generation current.

5. wireless charging mobile phone, this wireless charging mobile phone comprises wireless charging module, rechargeable battery and less radio-frequency supply module, it is characterized in that, this wireless charging module comprises coil groups, rectification circuit, filter circuit, resonant circuit, charging circuit, wherein the output of coil groups connects the input of rectification circuit, the output of rectification circuit connects the input of filter circuit, the output of filter circuit connects the input of resonant circuit, and the output of resonant circuit connects charging circuit, and the output of charging circuit connects rechargeable battery; Described less radio-frequency supply module comprises input circuit, overclocking oscillating circuit, amplifying circuit and the transmitting coil that connects civil power, wherein the input of input circuit directly connects civil power, and the output of input circuit connects the power input of amplifying circuit, the output of overclocking oscillating circuit connects the signal input part of amplifying circuit, and the output of amplifying circuit is connected to transmitting coil; Described transmitting coil produces alternating magnetic field, and induction coil is responded to this alternating magnetic field generation current.

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