Utility model content
This utility model provides a kind of novel Bluetooth earphone it is intended to solving existing charging bluetooth earphone inconvenience and using the longevityOrder low problem.
This utility model provides a kind of novel Bluetooth earphone, including wireless earphone device and wireless charging device：
Described wireless charging device includes：Transmitting coil, electromagnetic switching circuit, rechargeable battery, charging circuit, booster circuitAnd USB.
Described USB one end is connected by USB (universal serial bus) mode with external power source, for will be describedThe electricity of external power source input is streamed to described charging circuit；
Described charging circuit is used for the described electric current receiving is stored in described rechargeable battery；
Described rechargeable battery is used for for the described electric current receiving being converted into electrical power storage, and fills in described wireless earphone deviceConvert electrical energy into electric current when electric, described electricity is streamed to described booster circuit；
Described booster circuit is used for doing boosting according to the default electric current to the input of described rechargeable battery and processes, and after boostingElectricity be streamed to described electromagnetic switching circuit；
Described electromagnetic switching circuit is used for for the entrained signal of telecommunication in the described electric current after boosting being converted into magnetic signal, andMagnetic signal is sent to transmitting coil；
Described transmitting coil is used for outwards propagating described magnetic signal to be launched；
Described wireless earphone device includes：Receiving coil, rectifying and wave-filtering process circuit, magnetoelectricity change-over circuit, Charge ManagementCircuit and battery.
Described receiving coil is used for receiving the described magnetic signal from described wireless charging device transmitting, and described magnetic is believedNumber it is transferred to described magnetoelectricity change-over circuit；
Described magnetoelectricity change-over circuit is used for for described magnetic signal being converted into the signal of telecommunication, and described electric signal transmission is extremely describedRectifying and wave-filtering process circuit；
Described rectifying and wave-filtering process circuit is used for carrying out rectification to the described signal of telecommunication and Filtering Processing obtains unidirectional current, and willDC power transmission is to described charge management circuit；
Described charge management circuit is used for described battery is charged with described unidirectional current；
Described battery is used for described unidirectional current being laid in into electric energy and powering for described wireless earphone device.
Further, the electricity that described USB is additionally operable to input described external power source is streamed to describedElectromagnetic switching circuit.
Further, described wireless charging device also includes charging housing and charging printed circuit board.Described charging printCircuit board processed, described transmitting coil and the setting of described rechargeable battery are encapsulated in described charging housing；Described electromagnetic conversionCircuit, described charging circuit and described booster circuit are integrated on described charging printed circuit board；Described USB (universal serial bus) connectsMouthful one end exposed in described charging hull outside, the other end is electrically connected with described charging printed circuit board；Described charging is printedDescribed electromagnetic switching circuit in circuit board is electrically connected with described transmitting coil；Described charging circuit and described rechargeable battery electricityProperty connect；Described rechargeable battery is electrically connected with described booster circuit；Described booster circuit is electrical with described electromagnetic switching circuitConnect；Described electromagnetic switching circuit is electrically connected with described transmitting coil.
Further, described wireless earphone device also includes earphone case, earphone printed circuit board, loudspeaker and button.Described earphone printed circuit board, described loudspeaker, described battery and the setting of described receiving coil are encapsulated in earphone case；DescribedRectifying and wave-filtering process circuit, described magnetoelectricity change-over circuit and described charge management circuit are integrated on earphone printed circuit board；Described loudspeaker are placed in housing can be near the jag of ear；Described button is placed on the outside of earphone case, and prints with earphoneCircuit board processed is electrically connected with；Described loudspeaker are electrically connected with described earphone printed circuit board；Described receiving coil and described magnetoelectricityChange-over circuit is electrically connected with；Described magnetoelectricity change-over circuit is electrically connected with described rectifying and wave-filtering process circuit；Described rectifying and wave-filteringProcess circuit is electrically connected with described charge management circuit；Described charge management circuit is electrically connected with described battery.
This utility model compared with prior art, has the beneficial effects that：
This utility model provides a kind of novel Bluetooth earphone, including charging device and Headphone device.Charging device is by electricitySignal changes into magnetic signal and launches, and Headphone device receives magnetic signal, then magnetic signal is changed into the signal of telecommunication, and then completesCharging process.Need not be connected by interface or wire between Headphone device and charging device in charging process and can complete to fillElectricity；In addition, including rechargeable battery in charging device, can be fully charged by rechargeable battery in advance, when bluetooth earphone needs to charge,Directly it is charged by the electric current that rechargeable battery provides, such charging device easily facilitates and carries, can be whenever and wherever possible to indigo plantTooth earphone is charged, and substantially increases the convenience of charging bluetooth earphone.No charging inlet on Headphone device, need not examine simultaneouslyConsider the frequent plug of line on interface and affect the problem of bluetooth earphone service life, improve the service life of bluetooth earphone.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcementExample, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explainThis utility model, is not used to limit this utility model.
As shown in figure 1, a kind of Headphone device schematic diagram of the novel Bluetooth earphone providing for this utility model embodiment.AsShown in Fig. 2, a kind of charging device schematic diagram of the novel Bluetooth earphone providing for this utility model embodiment.With reference to Fig. 1With Fig. 2, this utility model embodiment is illustrated：
In Fig. 1,101 is earphone case, and 102 is loudspeaker, and 103 is earphone printed circuit board, and 104 is button, and 105 is to chargeManagement circuit, 106 is rectifying and wave-filtering process circuit, and 107 is magnetoelectricity change-over circuit, and 108 is battery, and 109 is receiving coil.
In Fig. 2,201 is charging housing, and 202 is USB, and 203 is charging printed circuit board, and 204 is to fillBattery, 205 is charging circuit, and 206 is booster circuit, and 207 is electromagnetic switching circuit, and 208 is transmitting coil.
Wireless charging device includes：Transmitting coil 208, electromagnetic switching circuit 207, rechargeable battery 204, charging circuit 205,Booster circuit 206 and USB 202.
USB 202 one end is connected by USB (universal serial bus) mode with external power source, for by outsideThe electricity of power input is streamed to charging circuit 205；Charging circuit 205 is used for the described electric current receiving is stored in rechargeable batteryIn 204；Rechargeable battery 204 is used for for the described electric current receiving being converted into electrical power storage, and charges in described wireless earphone deviceWhen convert electrical energy into electric current, described electricity is streamed to booster circuit 206；Booster circuit 206 is used for according to default to chargingThe electric current of battery 204 input does boosting and processes, and the electricity after boosting is streamed to electromagnetic switching circuit 207；Electromagnetic conversion electricityRoad 207 is used for for the entrained signal of telecommunication in the described electric current after boosting being converted into magnetic signal, and magnetic signal is sent to transmittingCoil 208；Transmitting coil 208 is used for outwards propagating described magnetic signal to be launched.
The electricity that USB 202 is additionally operable to input external power source is streamed to electromagnetic switching circuit 207.
Above-mentioned learn, the electric current that external power source inputs directly can be inputted and turn to electromagnetism by USB 202Change circuit 207, then convert electrical signals into magnetic signal and Headphone device is charged；USB 202 also may be usedFirst the electric current that external power source inputs to be stored in rechargeable battery 204 as electric energy storage, then need to fill in bluetooth earphoneWhen electric, directly by the electric current of rechargeable battery 204 inner deposit, Headphone device is charged.
Wireless earphone device includes：Receiving coil 109, charge management circuit 106, magnetoelectricity change-over circuit 107, Charge ManagementCircuit 105 and battery 108.Receiving coil 109 is used for receiving the magnetic signal from wireless charging device transmitting, and magnetic signal is passedIt is handed to magnetoelectricity change-over circuit 107；Magnetoelectricity change-over circuit 107 is used for for magnetic signal being converted into the signal of telecommunication, and by electric signal transmission extremelyCharge management circuit 106；Charge management circuit 106 is used for carrying out rectification to the signal of telecommunication and Filtering Processing obtains unidirectional current, and willDC power transmission is to charge management circuit 105；Charge management circuit 105 is used for described battery 108 is charged with unidirectional current；Battery 108 is used for unidirectional current being laid in into electric energy and powering for described wireless earphone device.
Further, wireless charging device also includes charging housing 201 and charging printed circuit board 203.
Charging printed circuit board 203, transmitting coil 208 and rechargeable battery 204 setting are encapsulated in charging housing 201；Electromagnetic switching circuit 207, charging circuit 205 are integrated on charging printed circuit board 203 with booster circuit 206；General serial is totalLine interface 202 one end exposed in described charging hull outside, the other end is electrically connected with described charging printed circuit board 203；InstituteThe described electromagnetic switching circuit 207 stated in charging printed circuit board 203 is electrically connected with described transmitting coil 208；Charging circuit205 are electrically connected with rechargeable battery 204；Rechargeable battery 204 is electrically connected with booster circuit 206；Booster circuit 206 and electromagnetism turnChange circuit 207 to be electrically connected with.
Above-mentioned USB 202 is electrically connected with the electromagnetic switching circuit 207 in charging printed circuit board 203Connect, and be electrically connected with the charging circuit in charging printed circuit board 203.
Further, wireless earphone device also include earphone case 101, earphone printed circuit board 103, loudspeaker 102 andButton 104.
Earphone printed circuit board 103, loudspeaker 102, battery 108 and receiving coil 109 setting are encapsulated in earphone case 101Interior；Charge management circuit 106, magnetoelectricity change-over circuit 107 and charge management circuit 105 are integrated in earphone printed circuit board 103On；Loudspeaker 102 are placed in housing can be near the jag of ear；Button 104 is placed on the outside of earphone case 101, and and earMachine printed circuit board 103 is electrically connected with；Loudspeaker 102 are electrically connected with earphone printed circuit board 103；Receiving coil 109 and magnetoelectricityChange-over circuit 107 is electrically connected with；Magnetoelectricity change-over circuit 107 is electrically connected with charge management circuit 106；Charge management circuit 106It is electrically connected with charge management circuit 105；Charge management circuit 105 is electrically connected with battery 108.
When the Headphone device of bluetooth earphone needs to charge, Headphone device is disposed close to the position of charging device, earMachine device allows receiving coil 109 in Headphone device to receive transmitting coil in charging device with the distance of charging deviceThe magnetic signal of 208 transmittings can be charged.Certainly, Headphone device is nearer with the distance that charging device is placed, and charge efficiency is got overHigh.
In this utility model embodiment, charging device is connected with power supply by the way of USB and is filledElectricity, so that charging device can select multiple external power supply carriers to be attached charging, only needs external power supply carrier to comprise USB and connectsMouthful, for example：Mobile phone, iPad, computer etc..
In addition, in this utility model embodiment, containing rechargeable battery 204 inside charging device, only need to be by rechargeable batteryIt is charged so as to reserve power in advance, then Headphone device can be charged so that bluetooth anywhere or anytime by charging deviceEarphone using convenient.
In sum, the novel Bluetooth earphone that this utility model embodiment provides, including charging device and Headphone device, canWirelessly it is charged.Charging device converts electrical signals into magnetic signal and launches, and Headphone device receives magnetic signal,Again magnetic signal is changed into the signal of telecommunication, and then complete charging process.In charging process between Headphone device and charging device noNeed to be connected by interface or wire and can complete to charge；In addition, including rechargeable battery in charging device, can will charge in advanceBattery is fully charged, when bluetooth earphone needs to charge, is directly charged by the electric current that rechargeable battery provides, such chargingDevice easily facilitates and carries, and can whenever and wherever possible bluetooth earphone be charged, and substantially increases the convenience of charging bluetooth earphone.No charging inlet on Headphone device, need not consider that the frequent plug of the line on interface affects asking of bluetooth earphone service life simultaneouslyTopic, improves the service life of bluetooth earphone.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all thisAny modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility modelProtection domain within.