CN204377094U - A kind of Tape movement power supply and outer playback ring the bluetooth earphone of base - Google Patents

A kind of Tape movement power supply and outer playback ring the bluetooth earphone of base Download PDF

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Publication number
CN204377094U
CN204377094U CN201520033399.3U CN201520033399U CN204377094U CN 204377094 U CN204377094 U CN 204377094U CN 201520033399 U CN201520033399 U CN 201520033399U CN 204377094 U CN204377094 U CN 204377094U
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China
Prior art keywords
bluetooth earphone
earphone
base
bluetooth
power supply
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Expired - Fee Related
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CN201520033399.3U
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Chinese (zh)
Inventor
杨飞
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Wang Hui
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Individual
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Priority to CN201520033399.3U priority Critical patent/CN204377094U/en
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses the bluetooth earphone of a kind of Tape movement power supply and outer playback sound base, comprising: bluetooth earphone, there is adsorption section and contact site; Portable power source base, there is an earphone storage tank and outer playback sound, magnetic element and connectivity port is provided with in groove, there is the power management chip for detecting electrical quantity of bluetooth headset in portable power source base, when this bluetooth earphone is close to described earphone storage tank, the connecting terminal making the bottom contact of bluetooth earphone be connected to base realizes detecting charging and outer playing function.The utility model has the advantages that: collection bluetooth earphone, put outside portable power source and bluetooth and be integrated, and automatically detect electrical quantity of bluetooth headset lower than during set point automatically to charging bluetooth earphone, solve the problem of charging bluetooth earphone; Meet bluetooth earphone call, charging bluetooth earphone, the videoconference of putting outside bluetooth and the function of putting the music on outward; Meet the portable power source function for mobile phone emergent charging; And easily contained by earphone by magnetic storage tank, not easily lose.

Description

A kind of Tape movement power supply and outer playback ring the bluetooth earphone of base
Technical field
The utility model relates to the bluetooth earphone of a kind of Tape movement power supply and outer playback sound base.
Background technology
Bluetooth earphone is a kind of bluetooth equipment in practice with extensive use, based on short-distance wireless communication technology, realize the wireless penetration of earphone and receiver, bluetooth earphone can realize mobile phone to be placed in pocket, in automobile, converse with bluetooth earphone, thus liberate the both hands of user to a great extent, improve the operating efficiency of user.But the bluetooth earphone of prior art has following shortcoming: just independent or band small electric quantity extra battery; Shorter by the electricity restriction general air time, need the cost plenty of time to charge, have no idea to meet the more and more faster work of people, rhythm of life; There is no the outer playing function of sound, have no idea to meet the demand of videoconference.Existing blue tooth products small volume, one puts after usual people use conveniently, not easily finds when causing use next time.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of Tape movement power supply and outer playback to ring the bluetooth earphone of base, and it can solve the problem of charging bluetooth earphone, meets bluetooth earphone call, charging bluetooth earphone, the videoconference of putting outside bluetooth and the function of putting the music on outward.
For achieving the above object, the utility model is achieved in that a kind of Tape movement power supply and outer playback ring the bluetooth earphone of base, and its feature is, comprising: bluetooth earphone, has adsorption section and contact site;
Portable power source base, there is an earphone storage tank and outer playback sound, magnetic element and connectivity port is provided with in described earphone storage tank, there is the power management chip for detecting described electrical quantity of bluetooth headset in portable power source base, the electricity of described power management chip Intelligent Measurement bluetooth earphone, when electrical quantity of bluetooth headset is lower than automatic charging during set point; Described power management chip comprises: automatic detection circuit, display circuit, charge-discharge control circuit, output circuit, and protective circuit;
Wherein, when this bluetooth earphone is close to described earphone storage tank, the adsorption section of described magnetic element absorption bluetooth earphone, bluetooth earphone is placed in described earphone storage tank, and the connecting terminal making the bottom contact of bluetooth earphone be connected to base realizes detecting charging and outer playing function;
Described portable power source base is provided with power discharging IC, when described power discharging IC detects that earphone portion has a voice output, automatically headphones sound is transformed into base loudspeaker.
The utility model has following substantive distinguishing features and progress relative to prior art:
The first, bluetooth earphone is connected with base by magnetic element and contact; After connection, the electricity of base power managing chip Intelligent Measurement bluetooth earphone, when electrical quantity of bluetooth headset is lower than automatic charging during set point, ensures the lasting continuation of the journey of bluetooth earphone; Solve completely when bluetooth earphone uses and do not have electricity and forget the technical problem of charging and making troubles.
The second, base adds the outer playing function of audio amplifier, when detecting that earphone portion has voice output, automatically headphones sound is transformed into base loudspeaker, forms sound playback, the demand such as met videoconference and put the music on outward.
3rd, earphone portion is connected by magnetic-adsorption with base portion, makes the storage of bluetooth earphone convenient, fast, ensures that earphone is easily placed, easily finds.
4th, base has power supply input, output function, can serve as the function of portable power source to products such as mobile phones.
Accompanying drawing explanation
Fig. 1 is the schematic appearance that Tape movement power supply of the present utility model and outer playback ring the bluetooth earphone of base;
Fig. 2 is a kind of embodiment circuit diagram of the display circuit of power management chip;
Fig. 3 is a kind of embodiment circuit diagram of the charge-discharge control circuit of power management chip;
Fig. 4 is a kind of embodiment circuit diagram of the output circuit of power management chip;
Fig. 5 is a kind of embodiment circuit diagram of the protective circuit of power management chip;
Fig. 6 is a kind of embodiment circuit diagram that headphones sound is transformed into the audio conversion circuit of base loudspeaker.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art can understand the utility model being implemented better, but illustrated embodiment is not as to restriction of the present utility model.
Please refer to Fig. 1, the bluetooth earphone that Tape movement power supply of the present utility model and outer playback ring base comprises: bluetooth earphone 10, has adsorption section and contact site; Portable power source base 20, there is an earphone storage tank 21 and ring 22 with outer playback, magnetic element and connectivity port is provided with in described earphone storage tank, there is the power management chip for detecting described electrical quantity of bluetooth headset in portable power source base 20, the electricity of described power management chip Intelligent Measurement bluetooth earphone, when electrical quantity of bluetooth headset is lower than automatic charging during set point; Described power management chip comprises: automatic detection circuit, display circuit, charge-discharge control circuit, output circuit, and protective circuit; Wherein, when this bluetooth earphone 10 is close to described earphone storage tank 21, the adsorption section of described magnetic element absorption bluetooth earphone 10, bluetooth earphone 10 is placed in described earphone storage tank 21, and the connecting terminal 23 making the bottom contact of bluetooth earphone 10 be connected to base realize detecting charging and outer playing function; Described portable power source base 20 is provided with power discharging IC, when described power discharging IC detects that earphone portion has a voice output, automatically headphones sound is transformed into base loudspeaker.
As shown in Figure 1, whole product is made up of two parts: bluetooth earphone, has adsorption section and contact site; And portable power source base, there is an earphone storage tank and outer playback sound; Magnetic element and connecting terminal is provided with in described earphone storage tank, in portable power source base, have the power management chip for detecting described electrical quantity of bluetooth headset, described power management chip comprises: automatic detection circuit, charging control circuit, charge/discharge control circuit, and protective circuit; Wherein, when this bluetooth earphone is close to described earphone storage tank, the adsorption section of described magnetic element absorption bluetooth earphone, bluetooth earphone is placed in described earphone storage tank, and the connecting terminal making the bottom contact of bluetooth earphone be connected to base realizes detecting charging and outer playing function.
Please refer to Fig. 2, the display circuit of the present embodiment: the function of this circuit is exactly the electricity of the remaining battery showing current portable power source, like this can be more user-friendly, charge in time.The electric quantity display function of the portable power source of aobvious boat also possesses electricity-saving function, and namely when externally exporting, the electricity then automatic distinguishing that automatically can show battery for several seconds that work starts, saves the electric energy of battery.When the electricity needing electrolytic cell, direct button press, can show again, very convenient use.Adopt LM324 four high guaily unit integrated circuit, it adopts 14 pin dual-in-line Plastic Package.Its inside comprises four groups of identical operational amplifiers of form, and except power sharing, four groups of amplifiers are separate.Each group operational amplifier has 5 leading foots, and wherein "+", "-" are two signal input parts, and " V+ ", " V-" are positive and negative power end, and " Vo " is output.In two signal input parts, Vi-(-) is inverting input, represents that the signal of amplifier output end vo is contrary with the phase place of this input; Vi+ (+) is in-phase input end, represents that the signal of amplifier output end vo is identical with the phase place of this input.Circuit amplified current is as shown in the figure passed through as schemed LM324AJ four-operational amplifier, control four light-emitting diodes (LED1 ~ 4) and show portable power source electricity, when portable power source electricity is full of, four light-emitting diodes (LED1 ~ 4) all light.When portable power source extinguishes to show portable power source electricity from LED4 ~ 1 to light-emitting diode during lithium cell charging successively.
Please refer to Fig. 3, the charge-discharge control circuit of the present embodiment, utilize 5V to input, as computer USB, adapter carries out charging to the battery in portable power source and controls, when cell voltage is charged to about 4.20V, when charging current drops to about 100mA, namely charging is stopped, charging complete, open circuit.
Preferably, the input current of portable power source is about 1A, if utilize the USB of computer to charge, consider the output holding capacity of USB, and general computer USB exports as 500mA, adopts GS1661 current mode boost converter.
Preferably, control loop adopts peak current Schema control framework, and inner fixing PWM frequency: 1.0MHz adopts power MOSFET cut-off current: 0.1 μ overvoltage protection, overheat protector.Tune overcurrent protection: 0.5A ~ 2.5A bag: sot23-61.This GS1661 is current mode boost converter.Constant switching frequency is 1MHz, carries out pulse width modulation operation.
Preferably, the structure of control loop adopts peak-current mode to control, and the MOSFET being based upon 26V/2A provides high output voltage, can connect slope compensation circuit, to make to allow stable duty ratio to be greater than 50%.
Please refer to Fig. 4, the output circuit of the present embodiment, when after portable power source access mobile phone, namely output circuit starts working, and by the battery booster of portable power source to 5V, for mobile phone charging, mobile phone will control charging voluntarily, be full of rear auto-breaking.
Preferably, adopt CS5171/3 chip 560 kilo hertzs of switching regulators, there is efficiency high, 1.5 integrated switchs.These part operations are at wide input voltage range, and from 2.7V to 30V, design flexibly allows chip in most of power configuration, and operation comprises boosting, inverse-excitation type, forward, anti-phase, and SEPIC.This integrated circuit adopts current mode architecture, and this allows outstanding load and line adjustment and the means Limited Current that practical.High-frequency operation and highly integrated regulating circuit, result combines a power solution closely.Circuit design comprises the Frequency Synchronization of the feature of being defined as, shutdown, and FEEDBACK CONTROL or plus or minus voltage-regulation.These parts are compatible to-pin 1372/1373.Utilize CS5171/3 chip can be that output voltage is increased to 5V, 2.7V to 28V inputs, and SEPIC transducer 2.7V to 28V inputs, and 5V exports SEPIC transducer and charges for mobile phone.
Please refer to Fig. 5, the protective circuit of the present embodiment, the overcurrent when electric discharge appears in battery, brownout during electric discharge, during charging under these several abnormal conditions of overtension, battery protecting circuit will close battery and outside connection, the safety of protection battery.
Preferably; R5402N series is adopted to be that height is withstand voltage, the battery protection ic of CMOS technology; for the overcharge/overdischarge/overcurrent protection of 1 joint lithium ion/lighium polymer rechargeable battery, also built-in load short-circuit protection circuit, to prevent large load short circuit current and charge/discharge overcurrent.Protection IC is by monitoring that the voltage difference between cell voltage between VDD and VSS and V-and VSS carries out control charging and discharging.Cell voltage below overcharge voltage and more than overdischarge voltage, V-terminal voltage overcharge current to detect below voltage and more than overdischarge current detection voltage, the MOSFET carrying out charging and discharging control is all opened.This is regarded as usual operating state, is free to carry out discharging and charging.Carry out protective circuit by LM7805CT chip, carrying out burning voltage protection output voltage stabilization by this chip can not burn out lithium battery.
Please refer to Fig. 6, the audio conversion circuit of the present embodiment, when earphone is placed on storage tank, base power discharging IC detects earpiece audio signal, then drives base sound horn.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection range of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection range of the present utility model.Protection range of the present utility model is as the criterion with claims.

Claims (7)

1. Tape movement power supply and outer playback ring a bluetooth earphone for base, it is characterized in that, comprising:
Bluetooth earphone, has adsorption section and contact site;
Portable power source base, there is an earphone storage tank and outer playback sound, magnetic element and connectivity port is provided with in described earphone storage tank, there is the power management chip for detecting described electrical quantity of bluetooth headset in portable power source base, the electricity of described power management chip Intelligent Measurement bluetooth earphone, when electrical quantity of bluetooth headset is lower than automatic charging during set point; Described power management chip comprises: automatic detection circuit, display circuit, charge-discharge control circuit, output circuit, and protective circuit;
Wherein, when this bluetooth earphone is close to described earphone storage tank, the adsorption section of described magnetic element absorption bluetooth earphone, bluetooth earphone is placed in described earphone storage tank, and the connecting terminal making the bottom contact of bluetooth earphone be connected to base realizes detecting charging and outer playing function;
Described portable power source base is provided with power discharging IC, when described power discharging IC detects that earphone portion has a voice output, automatically headphones sound is transformed into base loudspeaker.
2. Tape movement power supply as claimed in claim 1 and outer playback ring the bluetooth earphone of base, and it is characterized in that, described automatic detection circuit comprises single-chip microcomputer.
3. Tape movement power supply as claimed in claim 2 and outer playback ring the bluetooth earphone of base, and it is characterized in that, described output circuit comprises one and has Frequency Synchronization, shut down and the switching regulator of feedback control voltage adjustment.
4. Tape movement power supply as claimed in claim 3 and outer playback ring the bluetooth earphone of base, and it is characterized in that, described display circuit comprises LM324AJ four-operational amplifier, and it connects four light-emitting diodes.
5. Tape movement power supply as claimed in claim 4 and outer playback ring the bluetooth earphone of base, and it is characterized in that, described protective circuit comprises LM7805CT chip.
6. Tape movement power supply as claimed in claim 5 and outer playback ring the bluetooth earphone of base, and it is characterized in that, described charge-discharge control circuit comprises a current mode boost converter.
7. Tape movement power supply as claimed in claim 6 and outer playback ring the bluetooth earphone of base, and it is characterized in that, described power discharging IC comprises audio conversion circuit.
CN201520033399.3U 2015-01-19 2015-01-19 A kind of Tape movement power supply and outer playback ring the bluetooth earphone of base Expired - Fee Related CN204377094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520033399.3U CN204377094U (en) 2015-01-19 2015-01-19 A kind of Tape movement power supply and outer playback ring the bluetooth earphone of base

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Application Number Priority Date Filing Date Title
CN201520033399.3U CN204377094U (en) 2015-01-19 2015-01-19 A kind of Tape movement power supply and outer playback ring the bluetooth earphone of base

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109068209A (en) * 2018-07-23 2018-12-21 歌尔股份有限公司 Bluetooth headset, charging box, bluetooth headset component and its exchange method
CN110165736A (en) * 2019-05-27 2019-08-23 深圳市烁讯电子有限公司 A kind of electricity sharing method, system and mobile terminal based on charged state monitoring
CN111479186A (en) * 2020-04-02 2020-07-31 江苏紫米电子技术有限公司 Audio playing method, equipment, Bluetooth headset, system and storage medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109068209A (en) * 2018-07-23 2018-12-21 歌尔股份有限公司 Bluetooth headset, charging box, bluetooth headset component and its exchange method
CN110165736A (en) * 2019-05-27 2019-08-23 深圳市烁讯电子有限公司 A kind of electricity sharing method, system and mobile terminal based on charged state monitoring
CN111479186A (en) * 2020-04-02 2020-07-31 江苏紫米电子技术有限公司 Audio playing method, equipment, Bluetooth headset, system and storage medium

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160512

Address after: 518102, Guangdong City, Shenzhen province Baoan District Xixiang Street Internet industry base A District 1, 502

Patentee after: SHENZHEN RUWEN TECHNOLOGY CO., LTD.

Address before: 518109, Shenzhen, Guangdong, Baoan District Longhua Street East Pine Ring Road No. two, No. two

Patentee before: Yang Fei

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170508

Address after: 100096, Beijing, Huilongguan Changping District million homes 9, building 2, unit 1202

Patentee after: Wang Hui

Address before: 518102, Guangdong City, Shenzhen province Baoan District Xixiang Street Internet industry base A District 1, 502

Patentee before: SHENZHEN RUWEN TECHNOLOGY CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150603

Termination date: 20200119