CN201204235Y

CN201204235Y - Electromagnetic inductive mobile phone charger

Info

Publication number: CN201204235Y
Application number: CNU2008200431568U
Authority: CN
Inventors: 李缜
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-22
Filing date: 2008-01-22
Publication date: 2009-03-04
Anticipated expiration: 2018-01-22

Abstract

The present utility model provides an electromagnetic induction mobile phone charger for a wireless non-contact power supply, including a charger shell, and an integrate circuit module and charge coils placed in the charger shell. The integrate circuit module further includes a rectifier module, an inverter module, a regulating module, a low-voltage high-speed rectifier module, an DC-AC high frequency inverting and coupling output module, as well as a high-frequency coupling receiver module. AC power of 100-240V is regulated into a stable standard 5V DC voltage to output by a power supply filtering part, and the mobile phone battery realizes the wireless non-contact power supply charging by a rectifying charge part electrically connected to itself. The product has simple structure, small size, novel appearance, wide-voltage (AC100-240V) input, a stable 5V DC voltage output, and, ultimately, capability of providing highly effective and stable standard 5V DC power supply to various DC power or recharge devices.

Description

The electromagnetic induction charger for mobile phone

Technical field

The utility model relates to a kind of charger for mobile phone, relates in particular to a kind of electromagnetic induction charger for mobile phone that does not have the mobile phone connecting line.

Background technology

Raising along with people's living standard, the use of mobile phone is more and more universal, particularly in the work in out of town trip or field, brought infinite facility, yet out of town trip or open-air work use mobile phone to bring new worry to people again for a long time, that is exactly the problem of cell-phone charging, traditional charger for mobile phone all needs mobile phone connecting line and mobile phone connector (plug), often above-mentioned these kinds occasion, traditional charger for mobile phone does not have the mains supply of 110V or 220V, can't give cell-phone charging, so just require charger can adapt to the external power of different voltages, and because the standard disunity of present charger for mobile phone plug receptacle, therefore also there be not a kind of charger for mobile phone can be general between the different brands mobile phone on the market, the mobile phone that people use in daily life can only be that various brands are furnished with independent charger, cause when using the mobile phone of different brands instead, and charger is not general, thereby be a kind of huge waste, therefore, a kind of energy is fit to various brand cell-phone chargings, and wide voltage (AC100-240V) input, the charger for mobile phone that does not have connecting line and mobile phone connector with mobile phone becomes the technical problem that production firm must solve.

The utility model content

The technical problems to be solved in the utility model is in order to overcome technological deficiency recited above, a kind of electromagnetic induction charger for mobile phone that does not have mobile phone connecting line, no mobile phone connector, the input of wide voltage and be suitable for various brand cell-phone chargings to be provided.

In order to solve technical problem recited above, the utility model is taked following technical scheme:

The utility model provides a kind of electromagnetic induction charger for mobile phone, has charger case, is mounted with integrated circuit modules and charge coil in the charger case of described electromagnetic induction charger for mobile phone.

Wherein, described integrated circuit modules (5) further includes the rectification module that 100～240V AC power can be converted into the high-voltage DC power supply of 290～330V, described rectification module is connected with inversion module, and the high-voltage DC power supply that rectification module can be come out converts the high-frequency ac voltage that frequency is 190～210KHz to; Connect a low-voltage high speed rectification module behind the described inversion module, the high-frequency ac voltage of inversion module output is converted to the electric current of low-voltage dc voltage; Also comprise an adjusting module, the electric current of above-mentioned low-voltage dc voltage can be adjusted to and stablize the output of 5V direct voltage, and the back connects DC-AC high-frequency inversion coupling output module and high-frequency coupling receiver module.

Wherein, described rectification module is made up of diode D1, D2, D3, D4 and capacitor C 2, and diode D1, D2 are connected in series, and diode D3, D4 are connected in series, after the D1 that is connected in series, D2 and the D3 that is connected in series, D4 are connected in parallel, be connected in parallel with capacitor C 2 again.

Wherein, described inversion module is by resistance R 2, R3, R4, R5, triode Q1, Q2, capacitor C 3, C5 and transformer T1 form, the collector electrode of triode Q1 is connected with resistance R 2, resistance R 4 is connected in parallel with capacitor C 5 and then is connected with the base stage of triode Q1, the grounded emitter of triode Q1, the collector electrode of triode Q1 is connected with the base stage of triode Q2, the base stage of triode Q2 is in series with capacitor C 3 and resistance R 3 backs are connected with the collector electrode of triode Q2, the emitter of triode Q2 connects resistance R 5 back ground connection, and the back is connected with transformer T1.

Wherein, described low-voltage high speed rectification module is to be made up of capacitor C 6, C7, C8 and high speed rectifying tube D8, capacitor C 8 and capacitor C 7 back series high-speed rectifying tube D8 in parallel and capacitor C 6.

Wherein, described adjusting module is made up of photoelectronic coupler U1, capacitor C 4, resistance R 7 and voltage-stabiliser tube D9, series connection voltage-stabiliser tube D9 behind the parallel resistance R7 behind the capacitor C 4 series connection photoelectronic coupler U1.

Wherein, described DC-AC high-frequency inversion coupling output module is by three plate pipe Q3, Q4, Q5, resistance R 8, R9, capacitor C 10, C11 and inductance L 1, L2, L3 forms, the collector electrode of three plate pipe Q3 connects the base stage of three plate pipe Q4, the emitter of three plate pipe Q3 connects the base stage of three plate pipe Q5, the emitter series resistance R8 of the collector electrode of three plate pipe Q3 and three plate pipe Q5 and inductance L 1, the other end series resistance R9 of inductance L 1 is connected with inductance L 2, be connected with inductance L 3 behind the series capacitance C10 between the collector electrode of the emitter of three plate pipe Q4 and three plate pipe Q5, be in series with capacitor C 10 between the collector electrode of the base stage of three plate pipe Q3 and three plate pipe Q5, C11.

Wherein, described high-frequency coupling receiver module is by inductance L 4, diode D10, D11, D12, D13 and capacitor C 12 are formed, capacitor C 12 is connected on the 5v power supply, diode D10, D11 series connection, be connected in capacitor C 12 two ends after diode D12, the D13 series connection, inductance L 4 is connected between diode D11 and the diode D13.

This product structure is simple, volume is little, the outward appearance novelty, use wide voltage (AC100-240V) input, be not subjected to the influence of any country and region, adopt wireless contactless electromagnetic induction charged, avoided the incompatible waste that brings between the different brands charger for mobile phone, realization is charged to the mobile phone products of any brand anywhere or anytime.Galvanic current is pressed output, finally provides efficient, stable standard 5V DC power supply for various direct current electricity consumptions or charging device.The utility model is to using a kind of conveniently novel product of the high crowd of mobile phone rate, is subjected to the worry that different brands and different joints can not be shared when having removed charging from.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structure chart of electromagnetic induction charger for mobile phone.

Fig. 2 is the circuit block diagram of electromagnetic induction charger for mobile phone.

Fig. 3 is the circuit theory diagrams of electromagnetic induction charger for mobile phone.

Embodiment

See also Fig. 1, as shown in the figure, the electromagnetic induction charger for mobile phone has charger case 3, in charger case 3, be mounted with integrated circuit modules 5 and charge coil 4, on charger case, can place the mobile phone 1 that needs charging,, realize charging battery of mobile phone 2 by charge coil 4.

See also Fig. 2 and Fig. 3, as shown in the figure, integrated circuit modules 5 further includes: 100～240V AC power can be converted into the high-voltage DC power supply of 290～330V rectification module, the high-voltage DC power supply of 290～330V can be converted to inversion module that frequency is the high-frequency ac voltage of 190～210KHz, be used to export low-voltage dc voltage the low-voltage high speed rectification module, the low-voltage dc voltage of output can be adjusted to adjusting module, the DC-AC high-frequency inversion of stablize the output of 5V direct voltage be coupled output module and high-frequency coupling receiver module.Described rectification module is made up of diode D1, D2, D3, D4 and capacitor C 2, and diode D1, D2 are connected in series, and diode D3, D4 are connected in series, and after the D1 that is connected in series, D2 and the D3 that is connected in series, D4 are connected in parallel, is connected in parallel with capacitor C 2 again.Described inversion module is by resistance R 2, R3, R4, R5, triode Q1, Q2, and capacitor C 3, C5 and transformer T1 form.Described low-voltage high speed rectification module is to be made up of capacitor C 6, C7, C8 and high speed rectifying tube D8.Described adjusting module is made up of photoelectronic coupler U1, capacitor C 4, resistance R 7 and voltage-stabiliser tube D9.Described DC-AC high-frequency inversion is coupled output module by three plate pipe Q3, Q4, Q5, resistance R 8, R9, and capacitor C 10, C11 and inductance L 1, L2, L3 form.Described high-frequency coupling receiver module is by inductance L 4, and diode D10, D11, D12, D13 and capacitor C 12 are formed.

Its operation principle is as follows: at first pass through rectification module, 100～240V AC power is become about 300V high voltage direct current, again the 300V high voltage direct current is converted to high-frequency ac voltage about frequency 200KHz by inversion module then, at last by low-voltage high speed rectification module output low-voltage dc voltage, and the dc low-voltage of output is adjusted to stablized 5V through adjusting the loop, produce about 400KHz rectangular pulse output by DC-AC high-frequency inversion coupling output module again, produce receiving circuit and export the galvanic current source by the high-frequency coupling receiver module, finally provide efficient for various direct current electricity consumptions or charging device, stable standard 5V DC power supply is given cell-phone charging.

Although the utility model has been done detailed explanation and has been quoted embodiment as proof, but for those of ordinary skill in the art, obviously can make various replacement schemes, modification and change according to above-mentioned explanation, all should be included within the spirit and scope of claim.

Claims

1, a kind of electromagnetic induction charger for mobile phone has charger case (3), it is characterized in that: be mounted with integrated circuit modules (5) and charge coil (4) in the charger case of described electromagnetic induction charger for mobile phone (3).

2, electromagnetic induction charger for mobile phone according to claim 1, it is characterized in that: described integrated circuit modules (5) further includes the rectification module that 100～240V AC power can be converted into the high-voltage DC power supply of 290～330V, described rectification module is connected with inversion module, and the high-voltage DC power supply that rectification module can be come out converts the high-frequency ac voltage that frequency is 190～210KHz to; Connect a low-voltage high speed rectification module behind the described inversion module, the high-frequency ac voltage of inversion module output is converted to the electric current of low-voltage dc voltage; Also comprise an adjusting module, the electric current of above-mentioned low-voltage dc voltage can be adjusted to and stablize the output of 5V direct voltage, and the back connects DC-AC high-frequency inversion coupling output module and high-frequency coupling receiver module.

3, electromagnetic induction charger for mobile phone according to claim 2, it is characterized in that: described rectification module is made up of diode D1, D2, D3, D4 and capacitor C 2, diode D1, D2 are connected in series, diode D3, D4 are connected in series, after the D1 that is connected in series, D2 and the D3 that is connected in series, D4 are connected in parallel, be connected in parallel with capacitor C 2 again.

4, electromagnetic induction charger for mobile phone according to claim 2, it is characterized in that: described inversion module is by resistance R 2, R3, R4, R5, triode Q1, Q2, capacitor C 3, C5 and transformer T1 form, the collector electrode of triode Q1 is connected with resistance R 2, resistance R 4 is connected in parallel with capacitor C 5 and then is connected with the base stage of triode Q1, the grounded emitter of triode Q1, the collector electrode of triode Q1 is connected with the base stage of triode Q2, the base stage of triode Q2 is in series with capacitor C 3 and resistance R 3 backs are connected with the collector electrode of triode Q2, the emitter of triode Q2 connects resistance R 5 back ground connection, and the back is connected with transformer T1.

5, electromagnetic induction charger for mobile phone according to claim 2, it is characterized in that: described low-voltage high speed rectification module is for to be made up of capacitor C 6, C7, C8 and high speed rectifying tube D8, and capacitor C 8 and capacitor C 7 parallel connections are series high-speed rectifying tube D8 and capacitor C 6 afterwards.

6, electromagnetic induction charger for mobile phone according to claim 2, it is characterized in that: described adjusting module is made up of photoelectronic coupler U1, capacitor C 4, resistance R 7 and voltage-stabiliser tube D9, series connection voltage-stabiliser tube D9 behind the parallel resistance R7 behind the capacitor C 4 series connection photoelectronic coupler U1.

7, electromagnetic induction charger for mobile phone according to claim 2, it is characterized in that: described DC-AC high-frequency inversion coupling output module is by three plate pipe Q3, Q4, Q5, resistance R 8, R9, capacitor C 10, C11 and inductance L 1, L2, L3 forms, the collector electrode of three plate pipe Q3 connects the base stage of three plate pipe Q4, the emitter of three plate pipe Q3 connects the base stage of three plate pipe Q5, the emitter series resistance R8 of the collector electrode of three plate pipe Q3 and three plate pipe Q5 and inductance L 1, the other end series resistance R9 of inductance L 1 is connected with inductance L 2, be connected with inductance L 3 behind the series capacitance C10 between the collector electrode of the emitter of three plate pipe Q4 and three plate pipe Q5, be in series with capacitor C 10 between the collector electrode of the base stage of three plate pipe Q3 and three plate pipe Q5, C11.

8, electromagnetic induction charger for mobile phone according to claim 2, it is characterized in that: described high-frequency coupling receiver module is by inductance L 4, diode D10, D11, D12, D13 and capacitor C 12 are formed, capacitor C 12 is connected on the 5v power supply, diode D10, D11 series connection, be connected in capacitor C 12 two ends after diode D12, the D13 series connection, inductance L 4 is connected between diode D11 and the diode D13.