CN102593896A - Mobile terminal and method for carrying out wireless charging on mobile terminal - Google Patents
Mobile terminal and method for carrying out wireless charging on mobile terminal Download PDFInfo
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- CN102593896A CN102593896A CN2012100351795A CN201210035179A CN102593896A CN 102593896 A CN102593896 A CN 102593896A CN 2012100351795 A CN2012100351795 A CN 2012100351795A CN 201210035179 A CN201210035179 A CN 201210035179A CN 102593896 A CN102593896 A CN 102593896A
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Abstract
The invention discloses a mobile terminal and a method for carrying out wireless charging on the mobile terminal, and belongs to the technical field of wireless charging. The mobile terminal comprises a coil and a control circuit, wherein the coil is etched on a component of the mobile terminal by a way of laser etching, or made of FPC (flexible printed circuit) materials and adhered to the component of the mobile terminal; the control circuit is arranged on a PCB (printed circuit board) of the mobile terminal, and the PCB is provided with an elastic sheet by which the control circuit is connected with the coil; and the coil is used for receiving energy sent by an energy sending party in a wireless way and outputting a current to the control circuit, and the control circuit is used for receiving the current and converting the current into a rated voltage so as to charge a battery at the mobile terminal. The method comprises the following steps that: the coil of the mobile terminal receives the energy sent by the energy sending party in the wireless way and outputs a current to the control circuit; and the control circuit receives the current and converts the current into a rated voltage so as to charge the battery at the mobile terminal. According to the invention, the influence of the coil on the thickness of the mobile terminal is reduced, the competitiveness of the mobile terminal is improved, and the universality of wireless charging is improved.
Description
Technical field
The present invention relates to the wireless charging technical field, the method for particularly a kind of portable terminal and portable terminal wireless charging.
Background technology
The technology of portable terminal is in continuous development, and the density of battery capacity improves constantly, and the charging demand becomes and oversimplifies day by day, and high-speeding has produced the wireless charging technology thus.The wireless charging technology is divided into two stages: short-distance wireless charging and remote-wireless charging.At present, the wireless charging technology is in the short-distance wireless charging stage.
The principle of short-distance wireless charging is directly to be coupled through coil and to realize the transmission of energy.Wherein two very crucial parameters are exactly coupling area and coupling distance, and these two parameters are directly connected to the efficiency of transmission of wireless charging.The operating frequency that can promote coil reaches dwindles the coil coupling area, can reduce number of wire turns simultaneously.Because wireless charging needs a number of turn few, but therefore the bigger coil of radius ratio, when being arranged on coil in the portable terminal, needs to increase a part of thickness, also needs bigger area simultaneously.
The portable terminal of existing wireless charging, the control circuit and the coil that will be used to charge be made in battery cover.But the shortcoming of this portable terminal is: control circuit and coil are arranged on the battery cover, and certain thickness is arranged, can cause the thickness of portable terminal to increase, influence the outward appearance of portable terminal, reduced the competitiveness of portable terminal.
Summary of the invention
For the problem of the thickness of the wireless charging function effect portable terminal that solves portable terminal, the embodiment of the invention provides the method for a kind of portable terminal and portable terminal wireless charging.Said technical scheme is following:
On the one hand, a kind of portable terminal comprises: coil and control circuit;
Said coil radium carving is on the parts of said portable terminal, or said coil is processed and sticked on the parts of said portable terminal for using FPC (Flexible Printed Circuit, flexible printed circuit board) material;
Said control circuit is positioned on the printing board PCB of said portable terminal, and said PCB is provided with shell fragment said control circuit is connected with coil;
Said coil is used for the energy that wireless receiving energy transmit leg sends, and output current gives said control circuit, and said control circuit is used to receive the electric current of said coil output, and converts the battery charge that voltage is given said portable terminal into.
On the other hand, a kind of method of said portable terminal wireless charging comprises:
The energy that the coil wireless receiving energy transmit leg of said portable terminal sends, and output current is given said control circuit;
Said control circuit receives the electric current of said coil output, and converts the battery charge that voltage is given said portable terminal into.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: through radium on the parts of portable terminal carving coil, perhaps use FPC to process on the parts that coil pastes portable terminal, make portable terminal pass through the coil received energy; And output current gives control circuit, is the battery charge that voltage is given portable terminal by control circuit with current conversion, because coil of radium carving or the coil that uses flexible printed circuit board to process all have extremely thin characteristics; Almost not influence of thickness to portable terminal; Therefore, compared with prior art, when accomplishing the portable terminal wireless charging; Greatly reduced the influence of coil to portable terminal thickness; Can not influence the outward appearance of portable terminal, improve the competitiveness of portable terminal, improve the popularization and the competitive strength of wireless charging yet.In addition, the coil that coil of radium carving or FPC process all need not use enamelled wire, need use a large amount of enamelled wires to compare with prior art, has greatly reduced cost.When especially using the coil of radium carving, the parts at coil and place are an integral body, and the structure of product is more reliable, and intensity is higher, have also reduced design difficulty simultaneously.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the portable terminal that provides of the embodiment of the invention;
Fig. 2 is the another kind of structural representation of the portable terminal that provides of the embodiment of the invention;
Fig. 3 is another structural representation of the portable terminal that provides of the embodiment of the invention;
Fig. 4 is the structural representation of the antenna-matching circuit that provides of the embodiment of the invention;
Fig. 5 is the method flow diagram of the portable terminal wireless charging that provides of the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Referring to Fig. 1, one embodiment of the invention provides a kind of portable terminal, comprising: coil 101 and control circuit 102;
Wherein, coil 101 is used for the energy that wireless receiving energy transmit leg sends, and output current gives control circuit 102, and control circuit 102 is used for the electric current of receiving coil 101 outputs, and converts the battery charge that voltage is given portable terminal into.In addition, two shell fragments that are provided with on the pcb board of portable terminal can be crimped onto on the termination of coil, thereby realize the connection between coil and the control circuit.
In the present embodiment; Said energy transmit leg is meant the charging pedestal of wireless charging; The energy of its transmission passes to the coil on the portable terminal with the form in magnetic field, and the magnetic field that coil receives can show with the form of electric current, thereby supply control circuit is so that be the portable terminal charging.
Referring to Fig. 2, preferably, the parts at coil 101 place are battery cover 103, and the coil 101 on the battery cover 103 is connected with control circuit 102 in the PCB through the shell fragment on the PCB 104.
In a kind of implementation of present embodiment, said parts can be the arbitrary parts in the portable terminal, and preferably, said parts are battery cover.When said parts were battery cover, coil 101 can be carved on a surface of this battery cover by radium, on the inner surface like battery cover, or on the outer surface of battery cover.Wherein, Preferably, coil 101 can be carved on the outer surface of battery cover by radium, compares on the inner surface of battery cover with the radium carving; Distance between the coil of the coil of portable terminal and energy transmit leg reduces at this moment; Lacked battery cover housing stop that the degree of coupling between the coil can increase, thereby can improve the efficient of wireless charging.Certainly, coil also can be carved on two surfaces of this battery cover by radium, and promptly the radium carving increases the number of turn and the area of coil on the inner surface and outer surface of battery cover, thereby improves the efficient of wireless charging.
In the another kind of implementation of present embodiment, when coil 101 used the FPC material to process, coil 101 sticked on the parts of portable terminal, and at this moment, said parts also can be the arbitrary parts in the portable terminal, and preferably, these parts are the battery cover of portable terminal.And the coil that uses the FPC material to process can stick on the surface of battery cover, on inner surface or outer surface; Perhaps also can stick on two surfaces of battery cover; Be on inner surface and the outer surface, thereby increase the number of turn and the area of coil, improve the efficient of wireless charging.
Referring to Fig. 3, in above-mentioned any execution mode that present embodiment provides, said portable terminal can further include:
Communication module 105, being used for coil 101 is that antenna and other equipment carry out radio communication;
Frequency decision when wherein, the number of turn of coil 101 is by communication module 105 communications.
Usually, when portable terminal carries out radio communication with outside equipment, all need receive and send signal through antenna.The antenna of portable terminal belongs to parts of portable terminal, can be for external, and perhaps also can be for external.For example, the mobile phone that generally uses at present all has built-in antenna.
The portable terminal with coil that present embodiment provides can be provided with the function of said coil with antenna, carries out radio communication to cooperate the communication module in the portable terminal.When portable terminal carries out radio communication with outside equipment; Just with this coil as antenna, receive and send signal and carry out radio communication, and compare separately for the mode of mobile terminal configuration antenna; Saved volume effectively; Reached under the situation that does not increase volume, solved the built-in problem of mobile terminal antenna, had stronger practicality.When communication module is carried out radio communication, its corresponding fixed frequency scope is all arranged, for realizing the radio communication of this frequency range; Need corresponding length be set for coil; Therefore, can precompute the number of turn of coil, and process coil according to this number of turn according to the frequency range of said communication module communication in the portable terminal; Comprise the radium carving or use the FPC material; Thereby guaranteed that this coil when realizing the wireless charging function, also has antenna function, promoted the competitiveness of portable terminal further.
Wherein, Communication module 105 can be FM (Frequency Modulation particularly; Frequency modulation) communication module, NFC (Near Field Communication, close range wireless communication) module or CMMB (China Mobile multimedia broadcasting) communication module etc., the present invention does not limit this.Certainly, also can have multiple communication module simultaneously in the portable terminal that present embodiment provides, at this moment, every kind of communication module all to coil that oneself should be arranged to come to carry out respectively radio communication as separately antenna.Said multiple communication module includes but not limited to: in said FM communication module, NFC module and the CMMB communication module at least two kinds.
In the present embodiment, when using coil 101, further, can between coil 101 and communication module 105, increase antenna-matching circuit, thereby receive the radiofrequency signal of corresponding band better as antenna.Said antenna-matching circuit can be as shown in Figure 4.Wherein, said antenna-matching circuit comprises: magnetic bead LB1 and LB2, capacitor C 1 and C2, coil L1.WPC_COIL is meant that coil is used for the receiving circuit of wireless charging, and ANTNNA is meant aerial network, and N and P refer to negative pole Negative and anodal Positive respectively.Concrete numerical value the present invention of said L1, LB1, LB2, C1 and C2 does not limit this.
Portable terminal under any execution mode that present embodiment provides, coil wherein can be one or more.Wherein, when said coil when being a plurality of, because the position at each coil place is different, energy that can the received energy transmit leg sends on different directions, thus accomplish the insensitivity of wireless charging to the position, promoted the efficient of wireless charging effectively.
The portable terminal that present embodiment provides through radium carving coil, perhaps uses the FPC material to process on the parts that coil pastes portable terminal; Make portable terminal pass through the coil received energy, and output current is battery charge that voltage give portable terminal by control circuit with current conversion to control circuit; Because it is extremely thin that coil of radium carving or the coil that uses flexible printed circuit board to process all have, to the almost not influence of thickness of portable terminal, therefore; Compared with prior art; When accomplishing the portable terminal wireless charging, greatly reduced the influence of coil to portable terminal thickness, can not influence the outward appearance of portable terminal; Improve the competitiveness of portable terminal, also improved the popularization and the competitive strength of wireless charging.In addition, the coil that coil of radium carving or FPC material are processed all need not use enamelled wire, need use a large amount of enamelled wires to compare with prior art, has greatly reduced cost.When especially using the coil of radium carving, the parts at coil and place are an integral body, and the structure of product is more reliable, and intensity is higher, have also reduced design difficulty simultaneously.When with coil radium carving or when pasting the outer surface of battery cover, the distance between the coil that can effectively shorten portable terminal and the coil of charging pedestal increases the degree of coupling between the coil, thus the efficient of raising wireless charging.When portable terminal has a plurality of coil, can accomplish that wireless charging is insensitive to the position, improve the efficient of wireless charging further.In addition, when coil being set, can under the situation that does not increase volume, solve the built-in problem of antenna of wireless communication module, promote the competitiveness of portable terminal according to the corresponding coil turn of communication frequency.
Referring to Fig. 5, further embodiment of this invention provides any portable terminal a kind of as that above-mentioned embodiment provides to carry out the method for wireless charging, comprising:
501: the energy that the coil wireless receiving energy transmit leg of portable terminal sends, and output current is given control circuit;
502: this control circuit receives the electric current of this coil output, and converts the battery charge that voltage is given portable terminal into.
In the present embodiment, further, said method can also comprise:
Communication module on the PCB of portable terminal is that antenna and other equipment carry out radio communication with this coil; Frequency decision when wherein, the number of turn of this coil is by this communication module communication.
Particularly, said communication module can be that antenna carries out with other equipment that FM communicates by letter, NFC communicates by letter or CMMB communicates by letter etc. with this coil, and the present invention does not limit this.
The structure of the portable terminal that provides in the structure of the portable terminal in the present embodiment and the foregoing description is identical, comprises that functions such as coil, control circuit, communication module all see the description in the foregoing description for details, do not give unnecessary details here.
The said method that present embodiment provides, through the coil received energy of portable terminal, and output current is given control circuit; Is the battery charge that voltage is given portable terminal by control circuit with current conversion, and the coil that the coil of carving owing to radium perhaps uses flexible printed circuit board to process all has extremely thin, to the almost not influence of thickness of portable terminal; Therefore, compared with prior art, when accomplishing the portable terminal wireless charging; Greatly reduced the influence of coil to portable terminal thickness; Can not influence the outward appearance of portable terminal, improve the competitiveness of portable terminal, improve the popularization and the competitive strength of wireless charging yet.In addition, the coil that coil of radium carving or FPC material are processed all need not use enamelled wire, need use a large amount of enamelled wires to compare with prior art, has greatly reduced cost.When especially using the coil of radium carving, the parts at coil and place are an integral body, and the structure of product is more reliable, and intensity is higher, have also reduced design difficulty simultaneously.When with coil radium carving or when pasting the outer surface of battery cover, the distance between the coil that can effectively shorten portable terminal and the coil of charging pedestal increases the degree of coupling between the coil, thus the efficient of raising wireless charging.When portable terminal has a plurality of coil, can accomplish that wireless charging is insensitive to the position, improve the efficient of wireless charging further.In addition, when coil being set, can under the situation that does not increase volume, solve the built-in problem of antenna of wireless communication module, promote the competitiveness of portable terminal according to the corresponding coil turn of communication frequency.
The all or part of step that one of ordinary skill in the art will appreciate that realization the foregoing description can be accomplished through hardware; Also can instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a portable terminal is characterized in that, said portable terminal comprises: coil and control circuit;
Said coil radium carving is on the parts of said portable terminal, or said coil is processed and sticked on the parts of said portable terminal for using flexible printed circuit board material;
Said control circuit is positioned on the printing board PCB of said portable terminal, and said PCB is provided with shell fragment said control circuit is connected with said coil;
Said coil is used for the energy that wireless receiving energy transmit leg sends, and output current gives said control circuit, and said control circuit is used to receive the electric current of said coil output, and converts the battery charge that voltage is given said portable terminal into.
2. portable terminal according to claim 1 is characterized in that, the parts of said portable terminal are battery cover.
3. portable terminal according to claim 2 is characterized in that, the concrete radium carving of said coil is on the inner surface and/or outer surface of said battery cover.
4. portable terminal according to claim 1 is characterized in that, said portable terminal also comprises:
Communication module is positioned on the said PCB, and being used for said coil is that antenna and other equipment carry out radio communication;
Frequency decision when wherein, the number of turn of said coil is communicated by letter by said communication module.
5. portable terminal according to claim 4 is characterized in that, said communication module is specially modulating FM communication module, close range wireless communication NFC communication module or China Mobile multimedia broadcasting CMMB communication module.
6. according to each described portable terminal in the claim 1 to 5, it is characterized in that said coil is one or more.
7. the method for a portable terminal wireless charging as claimed in claim 1 is characterized in that, said method comprises:
The energy that the coil wireless receiving energy transmit leg of said portable terminal sends, and output current is given said control circuit;
Said control circuit receives the electric current of said coil output, and converts the battery charge that voltage is given said portable terminal into.
8. method according to claim 7 is characterized in that, said method also comprises:
Communication module on the printing board PCB of said portable terminal is that antenna and other equipment carry out radio communication with said coil;
Frequency decision when wherein, the number of turn of said coil is communicated by letter by said communication module.
9. method according to claim 8 is characterized in that, said communications of Mobile Terminals module is that antenna carries out with other equipment that modulating FM is communicated by letter, close range wireless communication NFC communicates by letter or China Mobile multimedia broadcasting CMMB communicates by letter with said coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210035179.5A CN102593896B (en) | 2012-02-16 | 2012-02-16 | Mobile terminal and method for carrying out wireless charging on mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210035179.5A CN102593896B (en) | 2012-02-16 | 2012-02-16 | Mobile terminal and method for carrying out wireless charging on mobile terminal |
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| CN102593896A true CN102593896A (en) | 2012-07-18 |
| CN102593896B CN102593896B (en) | 2014-12-03 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102984348A (en) * | 2012-10-31 | 2013-03-20 | 中兴通讯股份有限公司 | Terminal and switch method thereof |
| CN103618831A (en) * | 2013-11-29 | 2014-03-05 | 深圳创维数字技术股份有限公司 | Induction type data transmission method, digital terminal and mobile terminal |
| CN106101339A (en) * | 2016-06-01 | 2016-11-09 | 广东欧珀移动通信有限公司 | A kind of housing and mobile terminal |
| CN106252827A (en) * | 2016-09-19 | 2016-12-21 | 武汉天喻聚联网络有限公司 | A kind of modified form radio-frequency antenna and production technology thereof |
| CN106299600A (en) * | 2016-08-12 | 2017-01-04 | 珠海格力电器股份有限公司 | Multi-Function Antenna control method, device and there is the smart mobile phone of this device |
| WO2017008384A1 (en) * | 2015-07-16 | 2017-01-19 | 中兴通讯股份有限公司 | Antenna structure and mobile terminal |
| CN106814711A (en) * | 2015-12-01 | 2017-06-09 | 博西华电器（江苏）有限公司 | Using the method and the mobile terminal of mobile terminal control home appliance |
| CN108289132A (en) * | 2017-10-27 | 2018-07-17 | 珠海市魅族科技有限公司 | Mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102984348A (en) * | 2012-10-31 | 2013-03-20 | 中兴通讯股份有限公司 | Terminal and switch method thereof |
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| CN106299600A (en) * | 2016-08-12 | 2017-01-04 | 珠海格力电器股份有限公司 | Multi-Function Antenna control method, device and there is the smart mobile phone of this device |
| CN106252827A (en) * | 2016-09-19 | 2016-12-21 | 武汉天喻聚联网络有限公司 | A kind of modified form radio-frequency antenna and production technology thereof |
| CN106252827B (en) * | 2016-09-19 | 2023-10-27 | 武汉天喻聚联网络有限公司 | Improved radio frequency antenna and production process thereof |
| CN108289132A (en) * | 2017-10-27 | 2018-07-17 | 珠海市魅族科技有限公司 | Mobile terminal |
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|---|---|
| CN102593896B (en) | 2014-12-03 |
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Effective date of registration: 20171106 Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee after: HUAWEI terminal (Dongguan) Co., Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: Huawei Device Co., Ltd. |
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |
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