CN201117756Y

CN201117756Y - Wireless phone charger

Info

Publication number: CN201117756Y
Application number: CNU200720170438XU
Authority: CN
Inventors: 薛金海; 董传民
Original assignee: SHENZHEN QIXIN SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: SHENZHEN QIXIN SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2007-10-30
Filing date: 2007-10-30
Publication date: 2008-09-17
Anticipated expiration: 2017-10-30

Abstract

The utility model discloses a wireless mobile phone charger. The charger takes an original side as a wireless charging platform and takes a vice side as a receiving protection leather cup according to the principle of electromagnetic induction; an AD-DC switch circuit is accessed at a receiving end to provide a DC circuit voltage of 5V to charge a mobile phone battery. Compared with the prior art, the utility model has an ideal electromagnetic switch efficiency; almost all the energies can be designed and switched into a DC electricity energy to charge the mobile phone battery; while the energies lost by a heating form are less and the utility model can charge a plurality of mobile phones simultaneously; besides, the utility model can be broadly applied to the occasions like hotels, airdromes, large supermarkets, trains and families, is convenient for charging at any time for travelling and home as well as avoids from carrying more chargers.

Description

The wireless phone charger

Technical field:

The utility model relates to the handheld device charging technique, and what be specifically related to is a kind of handheld device wireless charger, further is a kind of wireless phone charger.

Background technology:

Along with the fast development of electronic technology and the raising of people's living standard, the use of handheld device is also more and more, as plurality of devices such as mobile phone, PDA, MP4, MP3, laptop computers, these equipment bring great convenience to people's life, but they all need by using charger that the alternating current of civil power is changed into direct current, are connected to by cable and connector and realize charging on the handheld device.

The mobile phone charging interface that present different vendor is produced is inequality, even the charging inlet of same brand different model mobile phone also has difference, like this charger for mobile phone without any versatility, the user does not have electricity and does not have at one's side under the situation of suitable charger at mobile phone, will be in the awkward condition that can not make a phone call.For this reason, mobile phone charging interface is unified in national requirements, but the long time of this process need, and at the mobile phone that uses, need to change charging inlet, this also is unpractical.

Summary of the invention:

In order to address the above problem, the purpose of this utility model is to provide a kind of wireless phone charger, and this charger provides a charging platform by Wireless transmission mode, and the existing mobile phone and following mobile phone all can be by this platform chargings.

For achieving the above object, the utility model mainly adopts following technical scheme:

A kind of wireless phone charger; comprise the wireless charging platform; include civil power input control and indicating module in the described wireless charging platform; rectification module; inversion module and electromagnetic field directed radiation module; described civil power input control is connected with electromagnetic field directed radiation module with inversion module by rectification module with indicating module; wherein this wireless phone charger also includes cell-phone charging protection leather sheath; include magnetic field mutual inductance type receiver module in the described cell-phone charging protection leather sheath; rectification filtering module; voltage-stabilizing protection module and battery of mobile phone converting interface; described magnetic field mutual inductance type receiver module receives the impulse wave that sends from electromagnetic field directed radiation module in the wireless charging platform; and after magnetoelectricity conversion output AC; this alternating current by rectification filtering module and voltage-stabilizing protection resume module after, export by the battery of mobile phone converting interface.

Wherein said electromagnetic field directed radiation module and magnetic field mutual inductance type receiver module are the ac magnetic field coil module.

The utlity model has following beneficial effect:

1, can place the multi-section mobile phone on the wireless charging platform of the present utility model simultaneously also is its charging, and that has broken away from traditional wired charger can only be the pattern of a cell-phone charging.

2, be provided with the charging inlet that is connected with mobile phone in the cell-phone charging protection leather sheath; be applicable to dissimilar mobile phones; the charging inlet of on certain sense, having unified battery of mobile phone; the mobile phone of all styles and brand can both be charged on same charging platform, and this leather sheath can also play the effect of protection mobile phone.

3, electromagnetic conversion efficient is comparatively desirable in the utility model, and nearly all energy all can design and convert direct current energy to charging mobile phone battery, and less with the energy of heating form loss.

4, this charger can be widely used in occasions such as hotel, airport, large supermarket, train and family, and the charging at any time of convenient tourism and household avoids carrying more charger.

Description of drawings:

Fig. 1 is the stereogram of the utility model mobile phone wireless charger.

Fig. 2 is the utility model wireless charging schematic diagram.

Fig. 3 is the reception schematic diagram in the utility model charging protection leather sheath.

Embodiment:

Core concept of the present utility model is: according to electromagnetic induction principle; under given conditions; utilize the mode of the loose coupling of separate type to carry out the power conversion and the transmission of former limit and secondary; by wireless charging platform generation the becoming impulse wave that frequency is 20KHZ; the sawtooth pulse input electromagnetic field directed radiation module of this alternation; under the effect of electric pulse; produce the surface of corresponding magnetic field in charging platform; and the magnetic field mutual inductance receiver module in the charging protection leather sheath converts electric energy to after obtaining magnetic energy; AC-DC conversion through rectification filtering module; and elimination high frequency clutter; make it output direct current relatively stably; through the processing of voltage-stabilizing protection module, just the pure direct current of cell-phone charging can be provided again.

Below in conjunction with the drawings and specific embodiments the utility model is described in further details.

As shown in Figure 1, a kind of mobile phone wireless charger, its housing 1 is provided with charging platform 2, civil power input control and indicating module, rectification module, inversion module and electromagnetic field directed radiation module are installed in the housing 1, wherein open switch 4, power supply inserts the civil power input control module by port 3, and indicating module shows that by indicator light 5 charging platform is in running order.

As shown in Figure 2, after charging platform 2 is connected civil power, press mains switch 4, indicator light 5 is bright, this moment, the 220V alternating current entered rectification module, after the process bridge rectifier boosted, the direct current of output 380V was delivered to inversion module, and inversion module is handled conversion to the 380V direct voltage, become the impulse wave that frequency is 20KHZ, the sawtooth pulse input electromagnetic field directed radiation module of this alternation under the effect of electric pulse, produces the surface of corresponding magnetic field in charging platform.

As shown in Figure 3; to be recharged mobile phone is positioned in the cell-phone charging protection leather sheath; and mobile phone charging interface is connected with the interface that cell-phone charging protects in the leather sheath; during charging; mobile phone is placed on the platform 2; the magnetic field that the electromagnetic field directed radiation module of platform 2 correspondence position in housing produces then is positioned at charging platform 2 surfaces; magnetic field mutual inductance receiver module in the cell-phone charging protection this moment leather sheath then obtains magnetic energy and converts thereof into electric energy; then through the AC-DC conversion of rectification filtering module; and elimination high frequency clutter; make it output direct current relatively stably, through the processing of voltage-stabilizing protection module, just can provide the pure direct current of cell-phone charging again.

Need to prove that because mobile phone is positioned over the orientation difference of charging platform, it is just different to get electric weight, can make the cell-phone charging speed that certain influence is arranged, when especially many mobile phones charged simultaneously, this phenomenon was comparatively obvious.

More than a kind of wireless phone charger provided by the utility model is described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims

1; a kind of wireless phone charger; comprise the wireless charging platform; include civil power input control and indicating module in the described wireless charging platform; rectification module; inversion module and electromagnetic field directed radiation module; described civil power input control is connected with electromagnetic field directed radiation module with inversion module by rectification module with indicating module; it is characterized in that: this wireless phone charger also includes cell-phone charging protection leather sheath; include magnetic field mutual inductance type receiver module in the described cell-phone charging protection leather sheath; rectification filtering module; voltage-stabilizing protection module and battery of mobile phone converting interface; described magnetic field mutual inductance type receiver module receives the impulse wave that sends from electromagnetic field directed radiation module in the wireless charging platform; and after magnetoelectricity conversion output AC; this alternating current by rectification filtering module and voltage-stabilizing protection resume module after, export by the battery of mobile phone converting interface.

2, wireless phone charger according to claim 1 is characterized in that: described electromagnetic field directed radiation module and magnetic field mutual inductance type receiver module are the ac magnetic field coil module.