CN203813481U - Mobile power source capable of automatically recognizing terminals to charge terminals and adapting to OTG systems of terminals - Google Patents
Mobile power source capable of automatically recognizing terminals to charge terminals and adapting to OTG systems of terminals Download PDFInfo
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- CN203813481U CN203813481U CN201420174074.2U CN201420174074U CN203813481U CN 203813481 U CN203813481 U CN 203813481U CN 201420174074 U CN201420174074 U CN 201420174074U CN 203813481 U CN203813481 U CN 203813481U
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a mobile power source capable of automatically recognizing terminals to charge the terminals and adapting to OTG systems of the terminals. The mobile power source comprises an adaptive terminal OTG system unit, an automatic recognition terminal charging unit, an intelligent recognition adapter charging power source management terminal, an MCU control unit, a battery cell protection unit, a DC-DC boosting constantan current unit, a storage management unit, an MCU power supplying unit, an analog IC power supplying unit and an OTG data line unit. The mobile power source of the utility model can automatically recognize external terminals to charge the external terminals, so that the terminals can be connected with each other perfectly and can communicate with each other.
Description
Technical field
The utility model relates to a kind of portable power source, relates in particular to the automatic identification terminal charging of a kind of portable power source, adaptive terminal OTG system.
Background technology
Existing portable power source only has charge function, and purposes is more single.
Utility model content
In order to solve problem in prior art, the utility model provides the automatic identification terminal charging of a kind of portable power source, adaptive terminal OTG system, and it comprises: adaptive terminal OTG system unit, automatic identification terminal charhing unit, Intelligent Recognition adaptor charge Power Management Unit, MCU control unit, battery core protected location, DC-DC voltage increase and current constant unit, memory management unit, MCU power supply unit, analog IC power supply unit, ten unit of OTG data line unit;
Intelligent Recognition adaptor charge Power Management Unit connects battery core protected location, inside lithium cell charging for battery core protected location, charge mode is controlled by MCU control unit, and Intelligent Recognition adaptor charge Power Management Unit connects adaptive terminal OTG system unit and automatic identification terminal charhing unit carries out data communication;
DC-DC voltage increase and current constant unit is the boost in voltage of battery core protected location, for analog IC power supply unit, adaptive terminal OTG system unit, identification terminal charhing unit and memory management unit power supply automatically, DC-DC voltage increase and current constant unit produces the output of battery core protected location to exterior terminal by energy by the internal control of automatic identification terminal charhing unit;
Memory management unit is connected and carries out data communication with automatic identification terminal charhing unit;
MCU control unit is with Intelligent Recognition adaptor charge Power Management Unit, battery core protected location, MCU power supply unit, DC-DC voltage increase and current constant unit, identification terminal charhing unit, adaptive terminal OTG system unit are connected respectively automatically, and unit is carried out to AD detection and logic control;
MCU power supply unit provides reference voltage for MCU control unit power supply and internal reference;
Automatically the USB HUB ports-Extending of identification terminal charhing unit and automatic identification terminal equipment, be terminal equipment charging;
Adaptive terminal OTG system unit is identified the terminal equipment with OTG automatically, and complete communication, adaptive terminal OTG system unit connects automatic identification terminal charhing unit, the terminal equipment recognizing is switched to the USB HUB that is connected to automatic identification terminal charhing unit inside by logic and carry out ports-Extending and conversion; Adaptive terminal OTG system unit connecting analog IC power supply unit provides power supply for internal simulation IC, adaptive terminal OTG system unit connects MCU control unit, all automatic identification andlogic control Communication Control are all controlled by MCU, adaptive terminal OTG system unit connects DC-DC voltage increase and current constant unit, by MCU, has controlled the electrical source exchange with exterior terminal equipment;
Analog IC power supply unit provides power supply for analog IC;
OTG data line unit provides the data wire being connected with exterior terminal.
As further improvement of the utility model, Intelligent Recognition adaptor charge Power Management Unit comprises MICRO-USB female seat power input, input power detecting unit, recharge logic control unit, first Charge Management IC and second Charge Management IC; The input voltage of MICRO-USB female seat power input is+5V ± 0.25V, first Charge Management IC and second mono-chips of Charge Management IC have maximum 1.2A charging current, over-charge protective, accurate constant current constant voltage, precharge function, Intelligent hot adjustment modes, battery core short-circuit protection and battery core and are full of alert circuit, when Micro usb data line is connected with computer or 1A adapter, first MCU control unit detects VCC voltage, when VCC voltage is during lower than+4.5V, MCU controls and is output as low level and allows second Charge Management IC quit work; When VCC voltage is during higher than+4.5V, MCU control unit is controlled and is output as high level and allows second Charge Management IC start working; At this moment have first Charge Management IC work to provide the charging current of 1A to add the 1A charging current that second Charge Management IC work provides, at this moment always the charging current of total 2A is inner battery core charging.
As further improvement of the utility model; battery core protected location comprises lighium polymer battery core and battery core safety protective circuit; protective circuit comprises first class of protection and second class protection; lighium polymer battery core is 8000mAh lighium polymer battery core; battery core negative pole connects PTC; PTC second class protection, has overheat protector and overcurrent protection.
As further improvement of the utility model, DC-DC voltage increase and current constant unit comprises the boost control circuit connecting successively, IC boosts, constant-current circuit and output current detection circuit, DC-DC voltage increase and current constant unit uses synchronous boost chip, by cell voltage+3V-4.2V, be raised to output voltage 5V output current and reach 3A, output current detection circuit, when terminal equipment electric current is less than 100 μ A, system MCU thinks that outlet terminal electricity has been full of or takes down, MCU postponed for 40 seconds and transfers low level to, turn-off output, turn-off the power supply of all chips simultaneously, MCU enters resting state.
As further improvement of the utility model, memory management unit comprises Micro SD storage/TF storage reader.
As further improvement of the utility model, MCU control unit comprises MCU single-chip microcomputer and the power button being connected with MCU single-chip microcomputer, LED electric weight display unit, OTG button, OTG pattern display unit, and logic control and AD that MCU single-chip microcomputer completes the unit being connected with MCU control unit detect.
As further improvement of the utility model, automatically identification terminal charhing unit connects adaptive terminal OTG system unit provides USB expansion for it, automatically identification terminal charhing unit connection MCU control unit is subject to MCU logic control switching working mode, and identification terminal charhing unit connection DC-DC voltage increase and current constant unit is its power supply automatically.
As further improvement of the utility model, analog IC power supply unit connects DC-DC voltage increase and current constant unit the 5V voltage transitions of DC-DC voltage increase and current constant unit output is delivered to adaptive terminal OTG system unit to 3.3V.
The beneficial effects of the utility model are:
The automatic identification terminal charging of a kind of portable power source, adaptive terminal OTG system are charged to the automatic identification terminal of exterior terminal for the utility model, terminal is connected mutual communication (as: mobile phone with terminal perfection, IPAD class, panel computer, DPF, camera, USB flash disk, game machine, the equipment of all usb terminal interfaces such as mobile storage), when the utility model is connected with terminal, click Power key and start the utility model, through inner MCU, control the different terminal of identification, reach optimal charge state, stop different brands Termination ID and do not mate the problem of not charging; If want to start OTG function, only need click OTG key, MCU control the utility model internal control circuit automatic switchover main equipment with additionally arrange standby, switch to terminal to terminal called (such as: mobile phone reads mobile phone, and mobile phone reads camera etc.).
This equipment is also supported while filling playing function, connected mode is as follows, such as an adapter is the utility model charging, two USB output ports of the utility model can connect two digital products simultaneously simultaneously, this product can be digital product charging on one side, be the utility model charging on one side, thereby save user and carry more adapter, there is this function, when only needing an adapter just can charge for the utility model, user can charge for two digital products again simultaneously, if do not have this while filling playing function, it could be these three product chargings that user just need to be with three adapters simultaneously, the great like this operating efficiency that improved, reduced unnecessary trouble.
Accompanying drawing explanation
Fig. 1 is the utility model frame diagram;
Fig. 2 is the utility model Intelligent Recognition adaptor charge Power Management Unit;
Fig. 3 is the utility model battery core protected location;
Fig. 4 is the utility model DC-DC voltage increase and current constant unit;
Fig. 5 is the utility model memory management unit;
Fig. 6 is the utility model MCU control unit;
Fig. 7 is MCU power supply unit;
Fig. 8 is automatic identification terminal charhing unit;
Fig. 9 is adaptive terminal OTG system unit;
Figure 10 is analog IC power supply unit;
Figure 11 is OTG data line unit;
Figure 12 is the utility model function sketch while being connected with computer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model comprises: adaptive terminal OTG system unit, automatic identification terminal charhing unit, Intelligent Recognition adaptor charge Power Management Unit, MCU control unit, battery core protected location, DC-DC voltage increase and current constant unit, memory management unit, MCU power supply unit, analog IC power supply unit, ten unit of OTG data line unit.
Fig. 1 frame diagram and schematic diagram corresponding relation:
1. adaptive terminal OTG system unit-Fig. 9;
2. automatic identification terminal charhing unit-Fig. 8;
3. Intelligent Recognition adaptor charge Power Management Unit-Fig. 2;
4.MCU control unit-Fig. 6;
5. battery core protected location-Fig. 3;
6.DC-DC voltage increase and current constant unit-Fig. 4;
7. memory management unit-Fig. 5;
8.MCU power supply unit-Fig. 7;
9. analog IC power supply unit-Figure 10;
10.OTG data line unit-Figure 11.
The automatic identification terminal charging of described a kind of portable power source, adaptive terminal OTG system is charged to the automatic identification terminal of exterior terminal for the utility model, terminal is connected mutual communication (as: mobile phone with terminal perfection, IPAD class, panel computer, DPF, camera, USB flash disk, game machine, the equipment of all usb terminal interfaces such as mobile storage), when the utility model is connected with terminal, click Power key and start the utility model, through inner MCU, control the different terminal of identification, reach optimal charge state, stop different brands Termination ID and do not mate the problem of not charging, if want to start OTG function, only need click OTG key, MCU control the utility model internal control circuit automatic switchover main equipment with additionally arrange standby, switch to terminal to terminal called (such as: mobile phone reads mobile phone, and mobile phone reads camera etc.).
As shown in Fig. 2 (Intelligent Recognition adaptor charge Power Management Unit-Fig. 2); this unit major function is to be the charging of the utility model inside lithium cell; connect battery core protected location (Fig. 3); charge mode is controlled by MCU control unit (Fig. 6); another side connects [(adaptive terminal OTG system unit-Fig. 9) (identification terminal charhing unit-Fig. 8 automatically)] and carries out data communication, and concrete principle is as follows:
CON1 is MICRO-USB female seat power input; input voltage is+5V ± 0.25V; two RICHTEK brands of inner utilization, independent professional charging chip, single chips has maximum 1.2A charging current; over-charge protective; accurate constant current constant voltage, precharge function, Intelligent hot adjustment modes; battery core short-circuit protection, battery core is full of prompting function.The utility model acquiescence 2A charging current, when Micro usb data line is connected with computer or 1A adapter, first MCU detects VCC voltage, and when VCC voltage is during lower than+4.5V, MCU control IO4 is that low level allows U12 quit work; When VCC voltage is during higher than+4.5V, it is that high level is started working by U12 that MCU controls IO4; At this moment have U11 work to provide the charging current of 1A to add the 1A charging current that U12 work provides, at this moment always the charging current of total 2A is the inner battery core charging of the utility model, thereby realize power supply unit, automatically selects, and reaches optimal charge state.
As shown in Fig. 3 (battery core protected location-Fig. 3); this unit is mainly lighium polymer battery core and battery core safeguard protection; inner integrated 8000mAh lighium polymer battery core; battery core negative pole connects PTC; PTC major function is second class protection; there is overheat protector and overcurrent protection; this unit connects (Intelligent Recognition adaptor charge Power Management Unit-Fig. 2); protected location major function adopts Superchip brand protection chip as: U8, for avoid lithium battery because overcharging, overdischarge, electric current are excessive causes shorter battery life or battery is damaged designs.It has voltage detecting and the time delay circuit of pinpoint accuracy, and operating current is low; Overcharge and detect 4.3V, overcharge and discharge 4.05V; Cross to put and detect 2.5V, cross and put release 3.0V; Over-current detection 0.15V, short circuit current detects 1.0V; Charger detects.
As this unit of Fig. 4 (DC-DC voltage increase and current constant unit-Fig. 4), be to be mainly [(analog IC power supply unit-Figure 10) (adaptive terminal OTG system unit-Fig. 9) (identification terminal charhing unit-Fig. 8 automatically) (memory management unit-Fig. 5)] power supply arrive+5V3A of battery core boost in voltage, V1+ output 5V3A can produce energy to exterior terminal by the internal control of automatic identification terminal charhing unit.Shown in specific works principle, DC-DC uses synchronous boost chip U3, by cell voltage+3V-4.2V, be raised to output voltage V 1+ output 5V output current and reach 3A, can meet two USB delivery outlets powers simultaneously, connect two digital products (as: Samsung mobile phone that simultaneously charges simultaneously, i Phone, U3 chip operation when IPAD etc.) IO2 is high level, electric current provides energy for external equipment terminal, it is the power supply of the utility model inside chip simultaneously, U4 is amplifier, what this circuit was built is constant-current circuit, V1+ output 5V makes its electric current can not surpass 3A, IO3 is terminal equipment current detecting, when terminal equipment electric current is less than 100 μ A, system MCU thinks that outlet terminal electricity has been full of or takes down, it is low level that MCU postponed for 40 seconds to turn IO2, turn-off Q1, Q2 conducting, thereby turn-off output, turn-off the power supply of all chips simultaneously, MCU enters resting state, with this, reduce Overall Power Consumption, save electric weight, general the utility model is full of after electricity, place 6 months electric weight and also can be greater than 50%.
As shown in Fig. 5 (memory management unit-Fig. 5), this Elementary Function is Micro SD storage/TF storage reader, the voltage 5V that connects (DC-DC voltage increase and current constant unit-Fig. 4) V1+ output is inside chip power supply, be connected and carry out data communication with (identification terminal charhing unit-Fig. 8 automatically) in addition, U2 is TF Card Reader chip, this chip support read-write TF card, and read or write speed reaches 480MB/S, CON2 is TF card female seat, supports TF card to insert.
If this Elementary Function of Fig. 6 (MCU control unit-Fig. 6) has been that all AD detect; logic control. 9 pin that a part connects (Intelligent Recognition adaptor charge Power Management Unit-Fig. 2) U9 detect R34; R43 input voltage VCC dividing potential drop; as charge mode, select; the 16 foot control charging current IO4 processed of U9, the utility model battery core full state detects IO1; A part connects (battery core protected location-Fig. 3), and 7 pin of U9 detect R29, and R31 dividing potential drop, calculates battery core dump energy and 3.1V over; A part connects (MCU power supply unit-Fig. 7), the power supply pin that the 15 pin VDD of U9 are IC; A part connects (DC-DC voltage increase and current constant unit-Fig. 4), and 17 pin of U9 are boosting rectifier control pin, the high level DC-DC work of boosting, and low level quits work; 8 pin of U9 are outlet terminal current detecting pin, when outlet terminal electric current is less than 100 μ A, postpones for 40 seconds and turn-off output, and complete machine enters park mode; A part connects (identification terminal charhing unit-Fig. 8 automatically) 5 pin IS5 of U9 and controls the U5 of identification terminal charging, and the 5 pin high level of U9 are data communication mode and OTG pattern, and the 5 pin low levels of U9 are automatic identification terminal pattern; A part connects (adaptive terminal OTG system unit-Fig. 9) and needs OTG as user, click S2, at this moment the 20 pin IOK1 of U9 have been drawn low level by S2, the 21 pin output high level of U9, enter OTG pattern, 19 pin IS3 and the 10 pin IS4 of U9 enter OTG terminal detected state, and when IS3 detects high level, 3 pin IS1 control (adaptive terminal OTG system unit-Fig. 9) OTG terminals of MCU control U9 are ready.When IS4 detects high level, 4 pin IS2 control (adaptive terminal OTG system unit-Fig. 9) OTG terminals of MCU control U9 are ready.The port that IS3 and IS4 only select first to insert OTG terminal is host mode.
If this Elementary Function of Fig. 7 (MCU power supply unit-Fig. 7) is to provide reference voltage for MCU power supply and internal reference, adopt accurate step-down chip, VDD connects (MCU control unit-Fig. 6), and B+ connects (battery core protected location-Fig. 3; ), output voltage is 15 pin that 3V connects (MCU power supply unit-Fig. 7) U9.
If this Elementary Function of Fig. 8 (identification terminal charhing unit-Fig. 8 automatically) is that USB HUB ports-Extending is terminal equipment charging with automatic identification terminal equipment. this unit part is connected (adaptive terminal OTG system unit-Fig. 9) provides USB expansion for it, a part connects (MCU control unit-Fig. 6) and is subject to MCU logic control switching working mode, it is its power supply that another part connects (DC-DC voltage increase and current constant unit-Fig. 4), operation principle as: when system need to work in OTG pattern, now MCU control IS5 is high level, now U5 is in data communication mode, now U5 is simple USB HUB ports-Extending, when system works is during in automatic identification terminal equipment state, now MCU control IS5 is low level, now U5 is in automatic identification terminal equipment state, ID pattern is joined in working in now, IC can be different according to different brands terminal configuration ID, thereby realizing terminal equipment identifies automatically, reach optimal charge state.
If this Elementary Function of Fig. 9 (adaptive terminal OTG system unit-Fig. 9) is that automatically identification is with terminal equipment and other auxiliary equipment of OTG and complete perfect communication, this unit part connection (identification terminal charhing unit-Fig. 8 automatically) the utility model can switch the inner USB HUB of connection (identification terminal charhing unit-Fig. 8 automatically) by logic the terminal equipment recognizing and carry out ports-Extending and change. and another part is connected (analog IC power supply unit-Figure 10) provides power supply into internal simulation IC, another part connects (MCU control unit-Fig. 6), all automatic identification andlogic control Communication Control are all controlled by MCU, another part connects (DC-DC voltage increase and current constant unit-Fig. 4) controlled the utility model and exterior terminal equipment electrical source exchange by MCU. the explanation of specific works principle as:
Click the OTG button S2 on portable power source, IOK1 level can be dragged down triggering MCU by button S2 and work, and the MCU of the utility model inside can provide a high level to IK2 simultaneously, and MCU provides high level to IS5 simultaneously, and driving LED 5 is bright, drives Q9 simultaneously, Q11 conducting, makes CON3, CON4 shell draws respectively as low level, and now OTG starts normally, waits for the connection of outside OTG equipment, external equipment (as: mobile phone, IPAD class, panel computer, DPF, camera, game machines etc.), when CON3 equipment connection OTG equipment, now Vout1+ can obtain the 5V voltage that outside OTG equipment returns, by R54, R56 dividing potential drop obtains 2.5V level to MCU, and at this moment MCU sends high level IS1 to chip U6 analog switch, and analog switch upset makes the Pin5 of U6 be connected with Pin6, and Pin3 is connected with Pin2, and MCU provides a low level to IS5 simultaneously, and 5V voltage can pass through Q6, it is U2 that Q7 enters into V1+, U5, U13 step-down chip is depressured to 3.3V to U6, U7 power supply, now CON3 is OTG device Host port, CON4 is device port, on OTG equipment at this moment, can see two equipment of memory on CON4 equipment and TF card by USB HUB extended chip U5, realizes read and write simultaneously, when CON4 equipment connection OTG equipment, now Vout2+ can obtain the 5V voltage that outside OTG equipment returns, by R57, R55 dividing potential drop obtains 2.5V level to MCU, at this moment MCU sends high level IS2 to chip U7 analog switch, analog switch upset makes the Pin5 of U7 be connected with Pin6, Pin3 is connected with Pin2, MCU provides a low level to IS5 simultaneously, 5V voltage can pass through Q6, it is U2 that Q7 enters into V1+, (identification terminal charhing unit-Fig. 8 automatically) U5, (analog IC power supply unit-Figure 10) U13 step-down chip is depressured to 3.3V to U6, U7 power supply, now CON4 is OTG device Host port, CON3 is device port, at this moment on OTG equipment, can see two equipment of memory on CON3 equipment and TF card by (identification terminal charhing unit-Fig. 8 automatically) USB HUB extended chip U5, realize read and write simultaneously.
If this unit of Figure 10 (analog IC power supply unit-Figure 10) is mainly to provide power supply for analog IC, connect on one side (DC-DC voltage increase and current constant unit-Fig. 4) the boost 5V voltage transitions of V1+ output of DC-DC is delivered to (adaptive terminal OTG system unit-Fig. 9) for U6 to 3.3V, U7 powers.
If this Elementary Function of Figure 11 (OTG data line unit-Figure 11) is for the utility model and exterior terminal provide the data wire being connected, be connected with 7 kinds of connected modes with the utility model:
1. MICRO USB male seat connects the utility model MICRO USB female seat, and the output power supply unit of USB2.0 male seat Payload attach fitting or other USB2.0, at this moment can charge for the utility model
2. MICRO USB male seat connects the utility model MICRO USB female seat, and USB2.0 male seat connects computer or other main frame, at this moment can be for the utility model charges, simultaneously can transfer of data, and on computer or other main frame, can read inner TF card memory
3. MICRO USB male seat connects the utility model MICRO USB female seat, USB2.0 male seat connects computer, when two USB2.0 female seat output ports of the present utility model connect a terminal or two terminals simultaneously simultaneously, at this moment transfer of data can not disturbed mutually simultaneously, can read on computers inner TF card memory and two terminals.
4. USB2.0 male seat connects the utility model USB.0 female seat, and MICRO USB male seat connects terminal equipment, and at this moment the utility model can charge for terminal equipment.
5. USB2.0 male seat connects the utility model USB.0 female seat, and the terminal equipment of MICRO USB male seat connecting band OTG clicks OTG button simultaneously, at this moment with the terminal equipment of OTG, can read TF card memory, realizes read and write simultaneously.
6. USB2.0 male seat connects the utility model USB.0 female seat another one USB.0 female seat of the present utility model and connects other digital terminal products, the terminal equipment of MICRO USB male seat connecting band OTG, click OTG button simultaneously, at this moment with the terminal equipment of OTG, can read TF card memory, also can read the data content of other digital terminal product of the utility model connection, realize read and write simultaneously simultaneously.
7. arbitrarily equipment or other terminal equipment of connecting band OTG of two USB.0 female seats of the present utility model, the utility model can Auto-Sensing OTG equipment and other terminal equipment, and completes communication.
The inner connection of data wire, this data wire connection and general data line are a bit different, and this data wire one end is USB2.0 male seat, and one end is MICRO USB male seat, and method of attachment internal electric is explained and is:
The inner VCC of USB2.0 male seat connects the inner VCC of MICRO USB male seat;
The inner D-of USB2.0 male seat connects the inner D-of MICRO USB male seat;
The inner D+ of USB2.0 male seat connects the inner D+ of MICRO USB male seat;
The inner V-of USB2.0 male seat connects the inner V-of MICRO USB male seat;
USB2.0 male seat shell connects the inner ID of MICRO USB male seat;
As shown in figure 12, when the utility model connects computer, this utility model can be used as USB HUB and uses, can also be to terminal charge when USB expands to two USB and adds a TF card storage Card Reader, common independent USB HUB product is only understood data communication on the market, and demonstration can not be charged, when the utility model Payload attach fitting, can be used as Interface Expanding is a plurality of digital product chargings, when the utility model input does not connect power supply and the utility model and has electricity, in the time of need to being other products charging with the utility model, the utility model can be exported 5V3A output, and automatic identification terminal digital product, the maximum optimal charge electric current of digital product of take is its digital product charging, during use, can be two digital products (as: mobile phones that simultaneously charge simultaneously, IPAD class, panel computer, DPF, camera, game machine etc.), this and automatic identification terminal digital product function can solve the problem that different brands digital product can not charge with former wiring, if need to use OTG function, need to click OTG button and start OTG function, this product OTG side has a LED meeting bright, at this moment OTG is working properly, now any one port of CON3, CON4 connects a terminal equipment with OTG function, another one port connects ordinary terminal equipment, and the utility model can select to connect at first terminal of the present utility model as master control, and other port is auxiliary port.
This equipment is also supported while filling playing function, connected mode is as follows, such as an adapter is the utility model charging, two USB output ports of the utility model can connect two digital products simultaneously simultaneously, this product can be digital product charging on one side, be the utility model charging on one side, thereby save user and carry more adapter, there is this function, when only needing an adapter just can charge for the utility model, user can charge for two digital products again simultaneously, if do not have this while filling playing function, it could be these three product chargings that user just need to be with three adapters simultaneously, the great like this operating efficiency that improved, reduced unnecessary trouble.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (8)
1. the automatic identification terminal charging of portable power source, an adaptive terminal OTG system, is characterized in that: it comprises: adaptive terminal OTG system unit, automatic identification terminal charhing unit, Intelligent Recognition adaptor charge Power Management Unit, MCU control unit, battery core protected location, DC-DC voltage increase and current constant unit, memory management unit, MCU power supply unit, analog IC power supply unit, ten unit of OTG data line unit;
Intelligent Recognition adaptor charge Power Management Unit connects battery core protected location, inside lithium cell charging for battery core protected location, charge mode is controlled by MCU control unit, and Intelligent Recognition adaptor charge Power Management Unit connects adaptive terminal OTG system unit and automatic identification terminal charhing unit carries out data communication;
DC-DC voltage increase and current constant unit is the boost in voltage of battery core protected location, for analog IC power supply unit, adaptive terminal OTG system unit, identification terminal charhing unit and memory management unit power supply automatically, DC-DC voltage increase and current constant unit produces the output of battery core protected location to exterior terminal by energy by the internal control of automatic identification terminal charhing unit;
Memory management unit is connected and carries out data communication with automatic identification terminal charhing unit;
MCU control unit is with Intelligent Recognition adaptor charge Power Management Unit, battery core protected location, MCU power supply unit, DC-DC voltage increase and current constant unit, identification terminal charhing unit, adaptive terminal OTG system unit are connected respectively automatically, and unit is carried out to AD detection and logic control;
MCU power supply unit provides reference voltage for MCU control unit power supply and internal reference;
Automatically the USB HUB ports-Extending of identification terminal charhing unit and automatic identification terminal equipment, be terminal equipment charging;
Adaptive terminal OTG system unit is identified the terminal equipment with OTG automatically, and complete communication, adaptive terminal OTG system unit connects automatic identification terminal charhing unit, the terminal equipment recognizing is switched to the USB HUB that is connected to automatic identification terminal charhing unit inside by logic and carry out ports-Extending and conversion; Adaptive terminal OTG system unit connecting analog IC power supply unit provides power supply for internal simulation IC, adaptive terminal OTG system unit connects MCU control unit, all automatic identification andlogic control Communication Control are all controlled by MCU, adaptive terminal OTG system unit connects DC-DC voltage increase and current constant unit, by MCU, has controlled the electrical source exchange with exterior terminal equipment;
Analog IC power supply unit provides power supply for analog IC;
OTG data line unit provides the data wire being connected with exterior terminal.
2. the automatic identification terminal charging of a kind of portable power source according to claim 1, adaptive terminal OTG system, is characterized in that: Intelligent Recognition adaptor charge Power Management Unit comprises MICRO-USB female seat power input, input power detecting unit, recharge logic control unit, first Charge Management IC and second Charge Management IC; The input voltage of MICRO-USB female seat power input is+5V ± 0.25V, first Charge Management IC and second mono-chips of Charge Management IC have maximum 1.2A charging current, over-charge protective, accurate constant current constant voltage, precharge function, Intelligent hot adjustment modes, battery core short-circuit protection and battery core and are full of alert circuit, when Micro usb data line is connected with computer or 1A adapter, first MCU control unit detects VCC voltage, when VCC voltage is during lower than+4.5V, MCU controls and is output as low level and allows second Charge Management IC quit work; When VCC voltage is during higher than+4.5V, MCU control unit is controlled and is output as high level and allows second Charge Management IC start working; At this moment have first Charge Management IC work to provide the charging current of 1A to add the 1A charging current that second Charge Management IC work provides, at this moment always the charging current of total 2A is inner battery core charging.
3. the automatic identification terminal charging of a kind of portable power source according to claim 1, adaptive terminal OTG system; it is characterized in that: battery core protected location comprises lighium polymer battery core and battery core safety protective circuit; protective circuit comprises first class of protection and second class protection; lighium polymer battery core is 8000mAh lighium polymer battery core; battery core negative pole connects PTC; PTC second class protection, has overheat protector and overcurrent protection.
4. the automatic identification terminal charging of a kind of portable power source according to claim 1, adaptive terminal OTG system, it is characterized in that: DC-DC voltage increase and current constant unit comprises the boost control circuit connecting successively, IC boosts, constant-current circuit and output current detection circuit, DC-DC voltage increase and current constant unit uses synchronous boost chip, by cell voltage+3V-4.2V, be raised to output voltage 5V output current and reach 3A, output current detection circuit, when terminal equipment electric current is less than 100 μ A, system MCU thinks that outlet terminal electricity has been full of or takes down, MCU postponed for 40 seconds and transfers low level to, turn-off output, turn-off the power supply of all chips simultaneously, MCU enters resting state.
5. the automatic identification terminal charging of a kind of portable power source according to claim 1, adaptive terminal OTG system, is characterized in that: memory management unit comprises Micro SD storage/TF storage reader.
6. the automatic identification terminal charging of a kind of portable power source according to claim 1, adaptive terminal OTG system, it is characterized in that: MCU control unit comprises MCU single-chip microcomputer and the power button being connected with MCU single-chip microcomputer, LED electric weight display unit, OTG button, OTG pattern display unit, logic control and AD that MCU single-chip microcomputer completes the unit being connected with MCU control unit detect.
7. the automatic identification terminal charging of a kind of portable power source according to claim 1, adaptive terminal OTG system, it is characterized in that: identification terminal charhing unit connects adaptive terminal OTG system unit automatically provides USB expansion for it, automatically identification terminal charhing unit connection MCU control unit is subject to MCU logic control switching working mode, and identification terminal charhing unit connection DC-DC voltage increase and current constant unit is its power supply automatically.
8. the automatic identification terminal charging of a kind of portable power source according to claim 1, adaptive terminal OTG system, is characterized in that: analog IC power supply unit connects DC-DC voltage increase and current constant unit the 5V voltage transitions of DC-DC voltage increase and current constant unit output is delivered to adaptive terminal OTG system unit to 3.3V.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174074.2U CN203813481U (en) | 2014-04-11 | 2014-04-11 | Mobile power source capable of automatically recognizing terminals to charge terminals and adapting to OTG systems of terminals |
| CN201410145665.1A CN103944224B (en) | 2014-04-11 | 2014-04-11 | The automatic identification terminal charging of a kind of mobile power supply, self-adaptation terminal OTG system |
| PCT/CN2014/084660 WO2015154364A1 (en) | 2014-04-11 | 2014-08-18 | Automatic identification terminal charging and self-adaptive terminal otg system for portable power source |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174074.2U CN203813481U (en) | 2014-04-11 | 2014-04-11 | Mobile power source capable of automatically recognizing terminals to charge terminals and adapting to OTG systems of terminals |
| CN201410145665.1A CN103944224B (en) | 2014-04-11 | 2014-04-11 | The automatic identification terminal charging of a kind of mobile power supply, self-adaptation terminal OTG system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813481U true CN203813481U (en) | 2014-09-03 |
Family
ID=69147338
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420174074.2U Expired - Fee Related CN203813481U (en) | 2014-04-11 | 2014-04-11 | Mobile power source capable of automatically recognizing terminals to charge terminals and adapting to OTG systems of terminals |
| CN201410145665.1A Expired - Fee Related CN103944224B (en) | 2014-04-11 | 2014-04-11 | The automatic identification terminal charging of a kind of mobile power supply, self-adaptation terminal OTG system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410145665.1A Expired - Fee Related CN103944224B (en) | 2014-04-11 | 2014-04-11 | The automatic identification terminal charging of a kind of mobile power supply, self-adaptation terminal OTG system |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN203813481U (en) |
| WO (1) | WO2015154364A1 (en) |
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| CN103944224A (en) * | 2014-04-11 | 2014-07-23 | 深圳市哈里通实业有限公司 | Automatic identification terminal charging and self-adaptive terminal OTG system for portable power source |
| CN104836277A (en) * | 2015-04-20 | 2015-08-12 | 江苏宏云技术有限公司 | Communication method for lithium battery rapid charge |
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-
2014
- 2014-04-11 CN CN201420174074.2U patent/CN203813481U/en not_active Expired - Fee Related
- 2014-04-11 CN CN201410145665.1A patent/CN103944224B/en not_active Expired - Fee Related
- 2014-08-18 WO PCT/CN2014/084660 patent/WO2015154364A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015154364A1 (en) * | 2014-04-11 | 2015-10-15 | 深圳市哈里通实业有限公司 | Automatic identification terminal charging and self-adaptive terminal otg system for portable power source |
| CN103944224B (en) * | 2014-04-11 | 2016-06-15 | 深圳市哈里通实业有限公司 | The automatic identification terminal charging of a kind of mobile power supply, self-adaptation terminal OTG system |
| CN104836277A (en) * | 2015-04-20 | 2015-08-12 | 江苏宏云技术有限公司 | Communication method for lithium battery rapid charge |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103944224A (en) | 2014-07-23 |
| CN103944224B (en) | 2016-06-15 |
| WO2015154364A1 (en) | 2015-10-15 |
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