CN206640635U - A kind of iPhone back splint power supply with Bluetooth audio frequency conversion - Google Patents
A kind of iPhone back splint power supply with Bluetooth audio frequency conversion Download PDFInfo
- Publication number
- CN206640635U CN206640635U CN201720437301.XU CN201720437301U CN206640635U CN 206640635 U CN206640635 U CN 206640635U CN 201720437301 U CN201720437301 U CN 201720437301U CN 206640635 U CN206640635 U CN 206640635U
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- iphone
- circuit
- earphone
- audio frequency
- bluetooth
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Abstract
The utility model discloses a kind of iPhone back splint power supply with Bluetooth audio frequency conversion,It is by LIGHTNIG female seats,Three interfaces of LIGHTNING males and 3.5mm earphone sockets are made in same back splint power-supply device end,Frame drain pan including back splint power supply,Fire prevention PC duricrusts are inlaid with frame drain pan,Prevent fires PC duricrusts and frame drain pan composition mounting groove position,Mounting groove position is provided with poly-lithium battery and circuit board,The top of poly-lithium battery and circuit board is provided with the PC films of a cover aggregation thing lithium battery and circuit board,Circuit board is provided with built-in lithium battery and iPhone is charged,And the electric power management circuit that external power supply charges simultaneously to back splint power supply and iPhone,It is additionally provided with the Bluetooth audio signals that can receive iPhone simultaneously,And transmitted by 3.5mm earphone socket to the Bluetooth audio frequency management circuit of earphone,The controlling switch on such earphone cord is supported simultaneously to control the volume that iPhone exports,Song bent selection up and down,Closing of the circuit is hung up,Play the functions such as pause/startup.
Description
Technical field
Portable power source technology and Bluetooth audio frequency control and transmission field are the utility model is related to, being related specifically to can be by outer
The key switch on earphone cord is put to control the operation skill of the handset audio signal that 3.5mm earphone interfaces export on back splint power supply
Art.
Background technology
With the arrival in mobile Internet epoch, smart mobile phone has become people's amusement, life, social, work etc.
An all indispensable important tool of every aspect.But with stronger and stronger, the screen display point of smart mobile phone performance
Also more and more higher, frequency of use and duration more and more higher, its power consumption are also increasing for resolution.Ordinary circumstance mobile phone must fill for one day
Electricity is one or many could to be met to use.And the iPhone mobile phone of cell-phone giant's issue is provided only with mother LIGHTNING
Seat, does not set 3.5mm audio output interfaces.It cannot use earphone when being charged to mobile phone, and using opponent will be unable to during earphone
Machine charges, allow vast ' fruit powder ' use very awkward, experience sense is had a greatly reduced quality.
The content of the invention
To overcome above-mentioned deficiency, the utility model provide one kind be available for vast ' fruit powder ' while charge, can also make
Music is listened with earphone, and the back splint portable power source of the switching manipulation mobile phone various functions on earphone cord can be passed through.
Technical scheme is used by the utility model：A kind of iPhone back splint power supply with Bluetooth audio frequency conversion, bag
Include the frame drain pan of back splint power supply, be inlaid with fire prevention PC duricrusts in frame drain pan, fire prevention PC duricrusts are installed with frame drain pan composition
Groove position, mounting groove position are provided with poly-lithium battery and circuit board, and the top of poly-lithium battery and circuit board is provided with a covering
The PC films of poly-lithium battery and circuit board, the circuit board are provided with a LIGHTNIG female seat, a LIGHTNING public affairs
Head and a 3.5mm phone jack receptacle, circuit board are provided with AC6905C Bluetooth chips, and Bluetooth chip docks with iPhone, lead to
Cross the audio signal of bluetooth reception iPhone and transmit to 3.5mm phone jack receptacles and export to earphone；The circuit board bag
Management of charging and discharging, the battery capacity indication of the circuit of the independence containing two-way, a route IP5306 portable power sources chip and peripheral circuit composition
And key control circuit, realize built-in lithium battery to iPhone charging and external power supply to poly-lithium battery and iPhone
The power management and electricity quantity inquiring of charging simultaneously.The Bluetooth audio frequency that another way is made up of AC6905C Bluetooth chips and peripheral circuit
Circuit is managed, realizes that Bluetooth audio frequency transmits between AC6905C Bluetooth chips and iPhone, and pass through 3.5mm phone jack receptacles
Transmit to the audio frequency controller circuit of earphone, and can complete to control iPhone volume by the controlling switch on earphone cord simultaneously
Size, playback of songs/pause, up and down bent switching, closing of the circuit/are hung up.
The LIGHTNIG female seats are used to charge to poly-lithium battery and mobile phone are filled simultaneously by LIGHTNING males
Electricity；3.5mm phone jack receptacles are used for the power supply, audio output to earphone, earphone line control for managing Bluetooth audio frequency circuit
The input of switching signal and miaow head signal.
The management of charging and discharging circuit that the poly-lithium battery is made up of IP5306 portable power sources chip and peripheral circuit, it is right
Charge-discharge circuit circuit board is answered to be provided with LED battery capacity indication lamps and power switch.
When the 3.5mm phone jack receptacles are not inserted into earphone, Bluetooth audio frequency management circuit does not work, the audio of mobile phone by
Mobile phone plays；After 3.5mm phone jack receptacles insert earphone, Bluetooth audio frequency management circuit automatically turns on and connects mobile phone, hand
The audio of machine will be transmitted to earphone broadcasting.
The beneficial effects of the utility model are：Discharge and recharge part only needs an inductance to realize by using IP5306 chips
Decompression and boost function, it is only needed few peripheral components in application, and effectively reduce the size of overall plan, reduce
BOM costs；IP5306 synchronous switch boost system can provide maximum 12W fan-out capabilities, when conversion efficiency up to 96% is unloaded,
Automatically into resting state, quiescent current is down to below 100uA；IP5306 synchro switch charging system provides 2.1A charging electricity
Stream, charge efficiency up to 97%.Built-in IC temperature, battery temperature and input voltage control loop, Intelligent adjustment charging current.
Bluetooth audio frequency manages circuit and is made up of the Bluetooth chip based on AC6905C and 3.5mm earphone sockets.Matched with mobile phone
After success, receive the audio signal from mobile phone and transmit to peripheral earphone.And can by the controlling switch on earphone cord come
Control iPhone volume, playback of songs/pause, up and down bent switching, closing of the circuit/such as hang up at the function.When 3.5mm earphones
When jack interface is not inserted into earphone, Bluetooth audio frequency management circuit is not worked, and the audio of mobile phone is played by mobile phone.Above-mentioned charge and discharge fulgurite
Reason circuit and Bluetooth audio frequency part individually control, be independent of each other, earphone can be used to play handset audio while charging.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is circuit board enlarged diagram of the present utility model.
Fig. 4 is schematic block circuit diagram of the present utility model.
Fig. 5 is that Bluetooth audio frequency receives and managed circuit diagram.
Fig. 6 is earphone output circuit figure.
Fig. 7 is miaow head input circuit figure.
Fig. 8 is Bluetooth chip electric power management circuit figure.
Fig. 9 is poly-lithium battery management of charging and discharging circuit diagram.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
It refer to accompanying drawing 1-4, a kind of iPhone back splint power supply with Bluetooth audio frequency conversion, include the frame of back splint power supply
Fire prevention PC duricrusts 2 are inlaid with drain pan 1, frame drain pan 1, fire prevention PC duricrusts 2 form mounting groove position, mounting groove with frame drain pan 1
Position is provided with poly-lithium battery 3 and circuit board 4, and the top of poly-lithium battery 3 and circuit board 4 is provided with a cover aggregation thing lithium
The PC films 5 of battery 3 and circuit board 4, it is characterised in that：The circuit board 4 is provided with a LIGHTNIG female seat 41, one
LIGHTNING males 42 and a 3.5mm phone jack receptacle 43, circuit board 4 are provided with AC6905C Bluetooth chips, Bluetooth chip
Docked with iPhone, the audio signal and transmitting to 3.5mm phone jack receptacles 43 that iPhone is received by bluetooth exports
To earphone；The circuit board 4 includes the circuit of two-way independence, what a route IP5306 portable power sources chip and peripheral circuit formed
Management of charging and discharging, battery capacity indication and key control circuit, poly-lithium battery 3 built in realization is to iPhone charging and external electricity
The power management and electricity quantity inquiring that source is charged simultaneously to poly-lithium battery 4 and iPhone.Another way is by AC6905C bluetooth cores
The Bluetooth audio frequency management circuit of piece and peripheral circuit composition, realizes that Bluetooth audio frequency passes between AC6905C Bluetooth chips and iPhone
It is defeated, and transmitted by 3.5mm phone jack receptacles 43 to the audio frequency controller circuit of earphone, and can complete simultaneously by earphone cord
Controlling switch to control iPhone volume, playback of songs ,/pause, up and down bent switching, closing of the circuit/is hung up.
The LIGHTNIG female seats 41 be used for poly-lithium battery 3 is charged and by LIGHTNING males 42 simultaneously it is right
Mobile phone charges；3.5mm phone jack receptacles 43 be used to managing Bluetooth audio frequency the power supply of circuit, audio output to earphone,
The input of earphone line control switching signal and miaow head signal.
The management of charging and discharging circuit that the poly-lithium battery 3 is made up of IP5306 portable power sources chip and peripheral circuit,
Corresponding charge-discharge circuit circuit board 4 is provided with LED battery capacity indication lamps and power switch.
When 3.5mm phone jack receptacles 43 described further are not inserted into earphone, Bluetooth audio frequency management circuit does not work, mobile phone
Audio played by mobile phone；After 3.5mm phone jack receptacles 43 insert earphone, Bluetooth audio frequency management circuit is automatically turned on and connected
Catcher machine, the audio of mobile phone will be transmitted to earphone broadcasting.
The control circuit schematic diagram that accompanying drawing 5-9 is the present embodiment is refer to, concrete operations and work operation logic are as follows：
When mobile phone loads in back splint power supply, the switch at a back splint power supply back side, the built-in positive pole of poly-lithium battery 3 are pressed
Voltage is input to the LX ports of IP5306 chips by inductance, and circuit is managed by the boosting of chip internal, then through chip
VOUT ports are exported, and 5.2V or so DC voltage is produced after capacitor filtering, LIGHTNING males are output to apple through Q2 and Q7
Fruit mobile phone charges, and indicates the dump energy of back splint power supply in real time by 4 LEDs.
When back splint power supply need charge, outside 5.0-5.5V power supplys are inputted by LIGHTNING female seats 41, IP5306 cores
When piece has detected external power source input, boost mode is closed automatically, and be switched to decompression mode.External power source cathode voltage from
The VIN ports of IP5306 chips are input to the decompression management circuit of inside, then are exported by the LX ports of chip to inductance, through electric capacity
Charged after filtering for back splint on-chip power battery.External power source is switched to LIGHTNING public affairs by MOSFET Q5 and Q7 simultaneously
First 42, charged for iPhone.And indicate the dump energy and charged state of back splint power supply in real time by 4 LEDs.
When external headphones are not inserted into, bluetooth power management MOSFET Q1 ON/OFF control end is drawn as high electricity through R9
Flat, cell voltage can not worked by Q1, AC6905C Bluetooth chip non-transformers.
When external headphones are inserted, bluetooth power management MOSFET Q1 OUT_ of the ON/OFF control end through peripheral earphone
L sound channels are connected to AGND, and ON/OFF control end is pulled into low level, turns on Q1, cell voltage supplies electricity to AC6905C bluetooths through Q1
Chip.After AC6905C chip operations, that is, the bluetooth equipment of entitled " IP7 " is produced, wait is connected with mobile phone.User passes through hand
Bluetooth in machine setting options sets bluetooth equipment and the connection that can search for entitled " IP7 ".After successful connection, the audio of mobile phone
It will be received by Bluetooth antenna and be sent into the processing of AC6905C chips, then DACL, DACR port through chip export audio respectively
Left and right acoustic channels, then exported respectively by C1, R2, C2, R3 to peripheral earphone.Detect peripheral earphone On line switch in real time simultaneously
State, after the switch of peripheral earphone line is pressed, switching signal is converted into corresponding voltage signal and is sent into AC6905C chips
AD_KEY pins, the instruction of user is obtained after chip is handled, mobile phone is transferred to by Bluetooth antenna, mobile phone receives instruction
After operated accordingly.
It should be noted that the technical program is adapted to 4.7 inch screens and 5.5 inches of screens to the series of iPhone 7
The exploitation of both specification moulds of curtain, except size and camera are local different, its circuit board operation principle all same, certainly, its
Battery capacity can be replaced by the poly-lithium battery of other capacity.
Above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to embodiment of the present utility model.And for belong to connotation of the present utility model extend out it is apparent
Change or variation still fall within the scope of protection of the utility model.
Claims (4)
1. a kind of iPhone back splint power supply with Bluetooth audio frequency conversion, include the frame drain pan of back splint power supply（1）, frame drain pan
（1）Inside it is inlaid with fire prevention PC duricrusts（2）, PC duricrusts of preventing fires（2）With frame drain pan（1）Mounting groove position is formed, mounting groove is set on position
There is poly-lithium battery（3）And circuit board（4）, poly-lithium battery（3）And circuit board（4）Top be provided with a cover aggregation thing
Lithium battery（3）And circuit board（4）PC films（5）, it is characterised in that：The circuit board（4）It is provided with mother LIGHTNIG
Seat（41）, a LIGHTNING male（42）With a 3.5mm phone jack receptacle（43）, circuit board（4）Provided with AC6905C
Bluetooth chip, Bluetooth chip dock with iPhone, receive the audio signal of iPhone by bluetooth and transmit to 3.5mm ears
Machine jack interface（43）Export to earphone；The circuit board（4）Include the circuit of two-way independence, a route IP5306 portable power sources
Management of charging and discharging, battery capacity indication and the key control circuit of chip and peripheral circuit composition, poly-lithium battery built in realization（3）
To iPhone charging and external power supply to poly-lithium battery（3）The power management and electricity to be charged simultaneously with iPhone is looked into
Ask；The Bluetooth audio frequency that another way is made up of AC6905C Bluetooth chips and peripheral circuit manages circuit, realizes AC6905C bluetooth cores
Bluetooth audio frequency transmits between piece and iPhone, and passes through 3.5mm phone jack receptacles（43）Transmit to the audio frequency controller electricity of earphone
Road, and can complete simultaneously by the controlling switch on earphone cord come control iPhone volume, playback of songs/pause, on
Lower bent switching, closing of the circuit/hang up.
A kind of 2. iPhone back splint power supply with Bluetooth audio frequency conversion according to claim 1, it is characterised in that：It is described
LIGHTNIG female seats（41）For to poly-lithium battery（3）Charging simultaneously passes through LIGHTNING males（42）Mobile phone is filled simultaneously
Electricity；3.5mm phone jack receptacle（43）For managing Bluetooth audio frequency the power supply, audio output to earphone, earphone of circuit
The input of line traffic control switching signal and miaow head signal.
A kind of 3. iPhone back splint power supply with Bluetooth audio frequency conversion according to claim 1, it is characterised in that：It is described
Poly-lithium battery（3）The management of charging and discharging circuit being made up of IP5306 portable power sources chip and peripheral circuit, corresponding discharge and recharge
Circuit plate（4）It is provided with LED battery capacity indication lamps and power switch.
A kind of 4. iPhone back splint power supply with Bluetooth audio frequency conversion according to claim 1, it is characterised in that：It is described
3.5mm phone jack receptacle（43）When being not inserted into earphone, Bluetooth audio frequency management circuit is not worked, and the audio of mobile phone is broadcast by mobile phone
Put；When 3.5mm phone jack receptacles（43）After inserting earphone, Bluetooth audio frequency management circuit automatically turns on and connects mobile phone, mobile phone
Audio will be transmitted to earphone broadcasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437301.XU CN206640635U (en) | 2017-04-25 | 2017-04-25 | A kind of iPhone back splint power supply with Bluetooth audio frequency conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437301.XU CN206640635U (en) | 2017-04-25 | 2017-04-25 | A kind of iPhone back splint power supply with Bluetooth audio frequency conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206640635U true CN206640635U (en) | 2017-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720437301.XU Expired - Fee Related CN206640635U (en) | 2017-04-25 | 2017-04-25 | A kind of iPhone back splint power supply with Bluetooth audio frequency conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206640635U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846058A (en) * | 2017-12-06 | 2018-03-27 | 东莞市云仕电子有限公司 | A kind of back splint portable power source of tape relay interface |
| CN109725583A (en) * | 2019-03-04 | 2019-05-07 | 郑州鸿彩照明科技有限公司 | A kind of blue-tooth intelligence switch controller and its control method |
| CN109818392A (en) * | 2018-11-19 | 2019-05-28 | 深圳市维航电子有限公司 | A kind of mobile phone back splint mobile power source |
| CN110324749A (en) * | 2019-07-30 | 2019-10-11 | 北京小米移动软件有限公司 | The method of conversion equipment and converting audio data |
| CN110572739A (en) * | 2019-10-12 | 2019-12-13 | 深圳市芯连芯时代科技有限公司 | Bluetooth transmitting earphone charging management all-in-one machine |
-
2017
- 2017-04-25 CN CN201720437301.XU patent/CN206640635U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846058A (en) * | 2017-12-06 | 2018-03-27 | 东莞市云仕电子有限公司 | A kind of back splint portable power source of tape relay interface |
| CN109818392A (en) * | 2018-11-19 | 2019-05-28 | 深圳市维航电子有限公司 | A kind of mobile phone back splint mobile power source |
| CN109725583A (en) * | 2019-03-04 | 2019-05-07 | 郑州鸿彩照明科技有限公司 | A kind of blue-tooth intelligence switch controller and its control method |
| CN110324749A (en) * | 2019-07-30 | 2019-10-11 | 北京小米移动软件有限公司 | The method of conversion equipment and converting audio data |
| CN110572739A (en) * | 2019-10-12 | 2019-12-13 | 深圳市芯连芯时代科技有限公司 | Bluetooth transmitting earphone charging management all-in-one machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20200425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |