Mobile terminal and protective sleeve thereofTechnical field
The present invention relates to communication technical field, especially relate to a kind of mobile terminal and protective sleeve thereof.
Background technology
The wireless charging technology is applied to mobile terminal gradually, and the user is no longer worried in disorder electric wire when charging, is subject to user's extensive welcome.Due to the circuit of wireless charging device with the coupling coil area is large, thickness is thicker, be arranged at the thickness that can increase mobile phone on mobile phone, have a strong impact on cell phone appearance.Therefore in prior art, wireless charging device is located on the protective sleeve of mobile phone, in the protection mobile phone, both can have been realized mobile phone is carried out to wireless charging, can keep the lightening of mobile phone again.
Yet the protective sleeve that has wireless charging function in prior art, be to utilize the USB interface of mobile phone to connect wireless charging device and cell phone mainboard, when the user carries out wireless charging to mobile phone, just can not utilize USB interface to carry out the cell-phone functions such as transfer of data.USB interface plug is inconvenient, causes the protective sleeve dismounting more complicated, and USB interface only is positioned at the mobile phone bottom side usually, and protective sleeve can only be connected with it in bottom side, causes the kind of protective sleeve limited, the range of choice of having dwindled the user.Therefore the user experiences not good.
Summary of the invention
Main purpose of the present invention is to provide a kind of mobile terminal and protective sleeve thereof, and the user when lifting user utilizes protective sleeve to carry out wireless charging to mobile terminal experiences.
To achieve these objectives, the present invention proposes a kind of mobile terminal, comprises a mainboard, and the described mobile terminal back side is or/and side is provided with the wireless charging interface be electrically connected to described mainboard.
Preferably, described mainboard is provided with wireless charging circuit, and this wireless charging circuit is electrically connected to described wireless charging interface.
The present invention proposes the matching used protective sleeve of a kind of and above-mentioned mobile terminal simultaneously; described protective sleeve comprises housing and is fixed in the wireless charging device of housing; described wireless charging device comprise one with the connector of the wireless charging interface adaptation of described mobile terminal, it is corresponding with the position that described wireless charging interface is positioned at described mobile terminal that this connector is positioned at the position of described protective sleeve.
Preferably, described connector is spring-piece type connector or very pin interface unit.
Preferably, described wireless charging device also comprises induction coil and the wireless charging circuit be electrically connected to this induction coil, and described connector is electrically connected to described wireless charging circuit.
Preferably, described wireless charging device also comprises induction coil, and described connector is electrically connected to described induction coil, and described connector is electrically connected to the wireless charging circuit on described Mobile terminal main board by described wireless charging interface.
Preferably, the described induction coil back side has antifreeze plate.
A kind of mobile terminal provided by the present invention and protective sleeve thereof; by special wireless charging interface is set on mobile terminal; when the wireless charging device on protective sleeve carries out wireless charging by the wireless charging interface to mobile terminal; because the USB interface of mobile terminal does not have occupiedly, the user can also utilize USB interface to carry out the operations such as transfer of data simultaneously.Simultaneously the position of wireless charging interface can change as required flexibly, both can be located at the mobile terminal side and also can be located at the mobile terminal back side, makes the various protective sleeves can coupling flexible with it, has enlarged user's range of choice.Utilize very pin interface unit or spring-piece type connector to be connected with the wireless charging interface, plug is convenient, convenient and swift during the dismounting protective sleeve.Therefore promoted greatly user's experience.
The accompanying drawing explanation
Fig. 1 is the rearview of mobile terminal one embodiment of the present invention;
Fig. 2 is the end view of another embodiment of mobile terminal of the present invention;
Fig. 3 is the structural representation of protective sleeve the first embodiment of the present invention;
Fig. 4 is the structural representation of protective sleeve the second embodiment of the present invention;
Fig. 5 is the structural representation of protective sleeve of the present invention the 3rd embodiment;
Fig. 6 is the structural representation of protective sleeve of the present invention the 4th embodiment;
Fig. 7 is the structural representation of protective sleeve of the present invention the 5th embodiment;
Fig. 8 is the structural representation of protective sleeve of the present invention the 6th embodiment.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention proposes a kind of mobile terminal, and with the protective sleeve of the supporting use of this mobile terminal, as shown in Figure 1 and Figure 2, described protective sleeve is as shown in Fig. 3-Fig. 8 for wherein said mobile terminal.Describedmobile terminal 100 inside have a mainboard (not shown), there is the charging circuit (not shown) on mainboard,mobile terminal 100 back sides are or/and side is provided with thewireless charging interface 110 be electrically connected to mainboard, thewireless charging interface 110 ofmobile terminal 100 as shown in Figure 1 is located at the back side, thewireless charging interface 110 of themobile terminal 100 shown in Fig. 2 is located at side, can certainly with side, onewireless charging interface 110 respectively be set overleaf.
Describedprotective sleeve 200 compriseshousing 210 and is fixed in the wireless charging device ofhousing 210; described wireless charging device comprisesinduction coil 221,wireless charging circuit 222 and theconnector 223 be electrically connected to successively;housing 210 is the insulation materials such as plastics, rubber with the material of describedinduction coil 221 contact portions;induction coil 221 back sides (beprotective sleeve 200 while being sleeved onmobile terminal 100induction coil 221 near the one side of mobile terminals 100) are provided with in antifreeze plate 224(figure and only mean with outline line), to improve charge efficiency.Describedconnector 223 can be spring-piece type connector or very pin interface unit;connector 223 andwireless charging interface 110 adaptations; the pluggablewireless charging interface 110 that is electrically connected on, it is corresponding with the position thatwireless charging interface 110 is positioned atmobile terminal 100 thatconnector 223 is positioned at the position ofprotective sleeve 200.
Theprotective sleeve 200 that is used for protectingmobile terminal 100 screens as shown in Figure 3, can only be located atconnector 223 side ofprotective sleeve 200, with thewireless charging interface 110 withmobile terminal 100 sides, is connected.Being used for shown in Fig. 4, Fig. 5 protected theprotective sleeve 200 ofmobile terminal 100 back and side; both can as shown in Figure 4connector 223 be located toprotective sleeve 200 fronts and be connected with thewireless charging interface 110 withmobile terminal 100 back sides, also can as shown in Figure 5connector 223 be located toprotective sleeve 200 sides and be connected with thewireless charging interface 110 withmobile terminal 100 sides.Cover theprotective sleeve 200 onmobile terminal 100 two sides, front and back in the time of shown in Fig. 6-Fig. 8, itshousing 210 comprises foreshell 211 andback cover 212, and wireless charging device both can be fixed infore shell 211, also can be fixed inback cover 212; When wireless charging device is fixed infore shell 211, just can only as shown in Figure 6connector 223 be located toprotective sleeve 200 sides (being foreshell 211 andback cover 212 connecting portions); When wireless charging device is fixed inback cover 212, both can as shown in Figure 7connector 223 be located toprotective sleeve 200 sides, also can as shown in Figure 8connector 223 be located toback cover 212 fronts.Above-mentionedconnector 223 orwireless charging interface 110, except the left and right sides of being located atprotective sleeve 200 ormobile terminal 100, also can be located at upper and lower both sides.
Wireless charging circuit 222 also can be arranged on the mainboard ofmobile terminal 100; and thiswireless charging circuit 222 is electrically connected towireless charging interface 110; now the wireless charging device ofprotective sleeve 200 can not establishedwireless charging circuit 222 as shown in Figure 4, andinduction coil 221 is electrically connected to thewireless charging circuit 222 on mainboard byconnector 223 and wireless charging interface 110.The contact thatconnector 223 is connected withwireless charging interface 110 can be two, four or a plurality of.
During charging,protective sleeve 200 need to be used with the collocation of wireless charging transmitter.Protective sleeve 200 is sleeved on tomobile terminal 100,connector 223 is inserted towireless charging interface 110, so that the wireless charging device onprotective sleeve 200 is electrically connected to the mainboard in mobile terminal 100.The wireless charging transmitter sends electromagnetic energy; after receiving electromagnetic energy,induction coil 221 onprotective sleeve 200 produces induced current; whenwireless charging circuit 222 is located onprotective sleeve 200; the induced currentwireless charging circuit 222 of flowing through; carried out after rectification and step-down are processed being converted into the direct current of voltage stabilizing bywireless charging circuit 222; direct current imports the mainboard ofmobile terminal 100 byconnector 223 andwireless charging interface 110, flow into the charging circuit on mainboard, andmobile terminal 100 is charged.The input ofwireless charging circuit 222 now receives the induced current of self-induction coil 221 and from the control signal ofmobile terminal 100 mainboards, direct current of voltage regulation stream and wireless charging detection signal after output output is processed.Wherein control signal is used for controlling the opening and closing of charging circuit; Detection signal for when wireless charging system and the wired charging system of USB on mainboard during a shared charging path; the judgement charging current is from wireless charging system or from the wired charging system of USB; and then take corresponding safeguard measure; when wireless charging system and the wired charging system of USB are respectively used a charging path on mainboard, just do not need detection signal.
Whenwireless charging circuit 222 is located on the mainboard ofmobile terminal 100, induced current imports in thewireless charging circuit 222 ofmobile terminal 100 mainboards byconnector 223 andwireless charging interface 110, carried out after rectification and step-down are processed being converted into the direct current of voltage stabilizing bywireless charging circuit 222, direct current flows into the charging circuit on mainboard, andmobile terminal 100 is charged.The input ofwireless charging circuit 222 now receives from the induced current ofwireless charging interface 110 with from the control signal ofmobile terminal 100 mainboards, the direct current of voltage regulation stream after output is processed to charging circuit output, to mainboard output wireless charging detection signal.
In certain embodiments, describedprotective sleeve 200 also comprises the wireless charging interface (not shown) that is fixed in housing 210.The described wireless charging interface (not shown) that is fixed inhousing 210 be arranged atmobile terminal 100 back sides or/and mutually be electrically connected between thewireless charging interface 110 that side is electrically connected to described mainboard.The advantage of design, including, but not limited to whenprotective sleeve 200 is used (such as engaging use) withmobile terminal 100 couplings, can provide more charge multifunction formobile terminal 100 like this.
Accordingly; themobile terminal 100 of the present embodiment andprotective sleeve 200 thereof; by specialwireless charging interface 100 is set onmobile terminal 100; when the wireless charging device onprotective sleeve 200 carries out wireless charging by 110 pairs of mobile terminals ofwireless charging interface 100; because the USB interface ofmobile terminal 100 does not have occupiedly, the user can also utilize USB interface to carry out the operations such as transfer of data simultaneously.Simultaneously the position ofwireless charging interface 110 can change as required flexibly, both can be located atmobile terminal 100 sides and also can be located atmobile terminal 100 back sides, makes the variousprotective sleeves 200 can coupling flexible with it, has enlarged user's range of choice.Utilize very pin interface unit or spring-piece type connector to be connected withwireless charging interface 110, plug is convenient, convenient and swift during dismounting protective sleeve 200.Therefore promoted greatly user's experience.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.