CN108551195A - A kind of phone charger - Google Patents
A kind of phone charger Download PDFInfo
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- CN108551195A CN108551195A CN201810603106.9A CN201810603106A CN108551195A CN 108551195 A CN108551195 A CN 108551195A CN 201810603106 A CN201810603106 A CN 201810603106A CN 108551195 A CN108551195 A CN 108551195A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000006641 stabilisation Effects 0.000 claims abstract description 5
- 238000011105 stabilization Methods 0.000 claims abstract description 5
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 15
- 101500000014 Ricinus communis Allergen Ric c 3 small chain Proteins 0.000 claims description 9
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 101710082795 30S ribosomal protein S17, chloroplastic Proteins 0.000 description 3
- 101000849579 Arabidopsis thaliana 30S ribosomal protein S13, chloroplastic Proteins 0.000 description 3
- 101000941170 Homo sapiens U6 snRNA phosphodiesterase 1 Proteins 0.000 description 3
- 102100031314 U6 snRNA phosphodiesterase 1 Human genes 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
- G06F13/122—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The present invention provides a kind of phone charger, include the overcurrent protection module of identification module, the current control module of the connection identification module, the voltage control module of the connection current control module and the connection voltage control module：The identification module identifies external component by GL888F chips；The current control module carries out current stabilization control by microcontroller to circuit；The voltage control module synchronous rectification control chip is for circuit progress voltage stabilizing control；The overcurrent protection module is by overcurrent protection chip for the electric current of detection circuit to prevent circuit overcurrent.The present invention can realize the charging effects such as automatic detection, charging, power-off, and control circuit voltage and electric current, and colleague has both overcurrent function, improves the output stability of circuit.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of phone charger.
Background technology
Currently, with the development of telecommunications industry, mobile phone has become basically universal, and is brought greatly to people’s lives and work
It is convenient.But mobile phone is in use for some time, it is necessary to it charges, but phone charger is when charging to mobile phone at present, battery
Voltage gradually increases, and charging current continuously decreases, due to constant-voltage charge no matter cell voltage virtual condition, always charging voltage
Constant, charging current has just started bigger, then exponentially declines；Accumulator may be made excessively to fill using quick charge
Electricity easily leads to cell damage.It for cycle charging, is charged using smaller current, charging effect is preferable.But for large capacity
Accumulator, the charging time will drag very long, and timeliness is low, causes inconvenience.
Invention content
The present invention is directed to the shortcomings that existing way, a kind of phone charger is proposed, to solve on of the existing technology
State problem.
According to an aspect of the invention, there is provided a kind of phone charger, including identification module, the connection identification mould
The mistake of the current control module of block, the voltage control module of the connection current control module and the connection voltage control module
Flow protection module：
The identification module identifies external component by GL888F chips；
The current control module carries out current stabilization control by microcontroller to circuit；
The voltage control module controls chip for carrying out voltage stabilizing control to circuit by synchronous rectification；
The overcurrent protection module is by overcurrent protection chip for the electric current of detection circuit to prevent circuit overcurrent.
Further, the identification module includes at least one recognition unit；
The recognition unit include GL888F chips, plug-in unit USB, resistance RS1A, R044A and RS01A, capacitance CS11A,
CS1A and C013A, triode QS1A, R029A, signal C01A and C01CA；
The GL888F chips include five pins, respectively the first pin, second pin, third pin, the 4th pin
And the 5th pin；
The plug-in unit USB includes four pins, respectively the first pin, second pin, third pin and the 4th pin；
It is mutual by the 4th pin of plug-in unit USB between the recognition unit when the recognition unit is no less than two
Series connection；
The first pin of the plug-in unit USB is separately connected the collector of one end and triode QS1A of capacitance CS11A, and second
A pin connects the 4th pin of the first GL888F chips, and third pin connects the 5th pin of the first GL888F chips, the
Four pins are also respectively connected with the other end of one end and capacitance CS11A of resistance RS1A；
The first pin and third pins in parallel of the GL888F chips, and the other end in parallel is separately connected capacitance CS1A
One end and resistance RS1A the other end, second pin ground connection；
One end of the base stage connection resistance R029A of the QS1A of the triode, the other end connection letter of the resistance R029A
Number C01A, emitter are separately connected one end of resistance R044A and one end of RS01A, the other end connection letter of the resistance R044A
Number C01CA, the signal C01CA are also connected with one end of capacitance C013A；
The other end of the capacitance C013A and CS1A and the other end of resistance RS01A are grounded.
Further, the current control module include first singlechip, second singlechip, 12 resistance R002-R011,
R036, R043, R0426,5 capacitance C001-C005, diode U3, U5, D002, R001, R002, R005, triode QS11,
Signal A1, A1A, A2, A01, A01A, B1, B1B, B01, B01B, C1, C1C, C01, C01C, D1, D01, D1D, D01D, E01,
E01E, E1, E1E and power supply V+；
The first singlechip and second singlechip include 16 pins；
First pin connection signal E1 of the first singlechip, second pin are separately connected one end of resistance R036
With one end of R041, the 4th pin connection signal D1D, the 5th pin connection signal E1E, the 6th pin connection signal
A1A, the 7th pin connection signal B1B, the 8th pin connection signal C1C, the 9th pin are separately connected resistance R007's
One end, one end of resistance R006, one end of capacitance C004 and diode U5 one end, the tenth pin connection signal A1, the tenth
One pin connection signal B1, the 12nd pin are separately connected one end of diode R005, one end of capacitance C003 and resistance
The other end of R006, the 13rd pin ground connection, the 14th pin connection signal C1, the 15th pin connection signal D1,
One end of 16th pin connection diode D001；
The other end of the diode D001 is separately connected one end of one end and resistance R011 of diode D002, the electricity
Resistance R011 the other end be separately connected the base stage of triode QS11, one end of resistance R010 and capacitance C005 one end；
One end of the collector connection resistance R009 of the triode QS11；
The other end of the resistance R009 connects voltage control module；
The other end of the other end connection resistance R0426 of the resistance R036；The other end of the resistance R007 connects respectively
The second end of one end and diode U5 of connecting resistance R008；
The other end connection power supply V+ of the diode R005；
First pin connection signal E01 of the second singlechip, second pin are separately connected the one of resistance R0426
The one end at end and R043, the 4th pin connection signal D01D, the 5th pin connection signal E01E, the 6th pin, which connects, to be believed
Number A01A, the 7th pin connection signal B01B, the 8th pin connection signal C1C, the 9th pin are separately connected resistance
One end of R002, one end of resistance R003, one end of capacitance C002 and diode U3 one end, the tenth pin connection signal
A01, the 11st pin connection signal B01, the 12nd pin be separately connected one end of diode R002, capacitance C002 one
The other end at end and resistance R002, the 13rd pin ground connection, the 14th pin connection signal C01, the 15th pin connect
Connect signal D01, the other end of the 16th pin connection diode D002；
One end of the other end connection resistance R004 of the resistance R003；
The other end of the diode R002 is separately connected one end of one end and capacitance C001 of diode R001；
The other end of described capacitance C001, C002, C003, C004 and C005, resistance R004, R041, R043, R008 and
The third end of the other end of R010, the emitter of triode QS11 and diode U3 and U5 is grounded respectively；
The other end connection power supply V+ of the diode R001.
Further, the model of first monolithic and second singlechip is MC96F8208.
Further, the voltage control module include synchronous rectification control chip U2,34 resistance R1, R3-R28,
R024A, R040, R67, RS12 and RS13,17 capacitances CX1, CY2, C1-C12, C19, C22 and C31, diode D1, D2, D4,
D5, BD1, D6A, D6, D7, D8, IC3 and IC2-A, bridge rectifier diode BD1, inductance coil LF1 and LF2, triode Q1, Q2
With IC2-B, fuse F1, transformer T1, power supply V+ and V-
Synchronous rectification control chip U2 includes eight pins, one end of first pin connection capacitance C4, second
Pin is separately connected one end of the collector and capacitance C3 of triode IC2-B, and third pin is separately connected one end of capacitance C19
With one end of resistance R21, the 4th pin connects digitally, and the 5th pin is separately connected one end and the resistance R13 of diode D5
One end, the 6th pin be separately connected one end of one end and resistance R16 of capacitance C10, the 8th pin connection resistance R18's
One end；
One end of the other end connection resistance R14 of the diode D5；
The other end of the other end resistance R14 of the resistance R13, one end and triode Q1 of resistance R15 one end；
The other end of the resistance R15 be separately connected the other end of resistance R21, one end of resistance R20, resistance R10 one
End, one end of resistance R11, one end of resistance R12 and triode Q1 second end；
The second end of the third end connection transformer T1 of the triode Q1；
The other end of the capacitance C4, the emitter of triode IC2-B, the other end of capacitance C3, capacitance C19 it is another
End, the other end of resistance R20, the other end of resistance R10, the other end of resistance R11, resistance R12 the other end connect number respectively
Ground；
The other end of the resistance R16 is separately connected the one of one end of capacitance C22, one end of diode D4 and capacitance C5
End；The other end of the capacitance C10 and another termination of capacitance C5 are digitally；
The other end of the capacitance C22 and the other end of diode D4 are separately connected one end of resistance R9, the resistance R9
Other end connection transformer T1 the 4th end；
One end of one end connection resistance R8 of the resistance R18, the other end of the resistance R8 are separately connected diode D1
With one end of D2；
The other end of the diode D1 is separately connected the first end and inductance coil LF2 of bridge rectifier diode BD1
First end；
The other end side of the diode D2 is separately connected third end and the inductance coil LF2 of bridge rectifier diode BD1
Second end；
The third end of the inductance coil LF2 is separately connected the first end of one end and inductance coil LF1 of capacitance CX1, the
Four ends are separately connected the other end of capacitance CX1 and the 4th end of inductance coil LF1；
The zero curve of the second end connection external circuit of the inductance coil LF1, third end connects one end of fuse F1；Institute
State the firewire of the other end connection external circuit of fuse F1；
The second end of the bridge rectifier diode BD1 be separately connected one end of capacitance CY2, C1, C2, resistance R6 one
The first end of end and transformer T1, the 4th terminates digitally,
Another termination of the capacitance C1 is digitally；
The other end of the capacitance C2 is separately connected one end of resistance R1, R3, R4, R5 and R7；The resistance R1, R3, R4,
The other end of R5 is in parallel, and the other end in parallel is separately connected one end of diode D6A and D6；
The other end of the diode D6A and D6 is separately connected the second end of transformer T1；
The other end of the other end connection resistance R7 of the resistance R6；
One end of the six end connecting resistance R22 of the transformer T1, the 7th end and the 8th end are grounded, the 9th end difference
Connect the emitter of one end and triode Q2 of resistance R17；
One end of the other end connection capacitance C6 of the resistance R17；
One end of the base stage connection resistance R19 of the triode Q2, the collector of the triode Q2, capacitance C6 it is another
End, one end of capacitance C7, C8, C9 and C31, one end of diode D8, one end of resistance R26 and R25 and switch S1 and SW2 one
End is separately connected power supply V+；
The other end connection signal GND1 of the resistance RS12；
The other end connection signal GND1 of the resistance RS13；
The synchronous rectification control chip U2 includes six pins, and first pin connects the other end of resistance R19, the
Two pins are separately connected the one end at the 9th end and capacitance C12 of its 6th pin, transformer T1, and third pin connects respectively
Connect one end of the other end and diode D7 of capacitance C12, the other end of the 4th pin connection resistance R25；
The other end of the other end connection resistance R22 of the diode D7；
One end of the other end connection resistance R024A of the switch S1；
The resistance R024A other end connection signals SW1；
One end connection signal SW1 of the resistance R040, the other end connect one end of Light-emitting diode LED 1；
The other end of the Light-emitting diode LED 1 is grounded
One end of the other end connection resistance R23 of the switch SW2, the other end of the resistance R23 are separately connected two poles
One end of pipe IC2-A and resistance R27 parallel connections；
The diode IC2-A and the other end of resistance R27 parallel connections are separately connected one end of diode IC3, capacitance C11
One end and overcurrent protection module；
The second end of the diode IC3 connects current control module, third end ground connection；
One end of the other end connection resistance R28 of the capacitance C11, the other end difference resistance R67 of the resistance R28 and
One end of R24, and the junction of resistance R28, R67 and R24 are also connected with current control module；
The power supply V-, resistance R24, the other end of capacitance C7, C8, C9 and CY2, the other end of diode D8, resistance
One end of RS12 and RS13 and the other end of Light-emitting diode LED 1 are grounded；
The other end of the resistance R67 is separately connected the other end of the other end and capacitance C31 of resistance R26.
Further, the synchronous rectification control chip U2 is SOP-8 chips.
Further, described capacitance C1, C5, C7, C8, C9 and C12 are the capacitance of polarized；
The capacitance C1 and C5 indicates that one end of cathode connects digitally；
Described capacitance C7, C8 and C9 indicate that one end of cathode connects digitally；
The capacitance C12 indicates the third pin of one end connection synchronous rectification control chip U2 of anode.
Further, the overcurrent protection module includes overcurrent protection chip U7-A and U7-8,13 resistance R54-R66,6
A capacitance C025-C030, diode U8, D3, D10 and D13, signal VREF and power supply V+；
Overcurrent protection the chip U7-A and U7-8 include eight pins；
First pin of the overcurrent protection chip U7-A be separately connected diode D3 one end and capacitance C026 one
End, one end of one end and R54 of second pin connection resistance R59, one end of third pin connection resistance R55, the 4th
Pin is grounded, and the 8th pin is separately connected one end of one end and diode D10 of capacitance C030；
The other end of the diode D3 connects voltage control module；
The other end of the other end connection resistance R59 of the capacitance C026；
The other end of the resistance R54 is separately connected one end of one end and resistance R58 of capacitance C025；
Institute
One end of the resistance R55 is separately connected one end of resistance R56 and one end of R57
The other end connecting signal source VREF1 of the resistance R57；
The other end connection power supply V+ of the diode D10；
One end of the 5th pin connection resistance R61 of the overcurrent protection chip U7-B, the 6th pin connect resistance
One end of R65 and one end of R60, the 7th pin are separately connected one end of one end and capacitance C028 of diode D13；
The other end of the resistance R61 is separately connected one end of resistance R62 and one end of R63；
The other end connecting signal source VREF1 of the resistance R63；
The other end of one end connection capacitance C028 of the resistance R65；
One end of the resistance R60 is separately connected one end of one end and resistance R64 of capacitance C027；
The other end of the diode D13 connects voltage control module；
One end of the power supply V+ connection resistance R66, the other end of the resistance R66 are separately connected the first of diode U8
End, one end of capacitance C029 and signal VREF1；
The second end connection signal VREF1 of the diode U8；
The other end of described resistance R56, R58 and R62, the third end of diode U8 and capacitance C025, C027, C029 and
The other end of C030 is grounded.
Compared with prior art, the beneficial effects of the invention are as follows：
Identification module of the present invention by component external for identification, the electric current for carrying out current stabilization control to circuit
Control module, for circuit carry out voltage stabilizing control voltage control module and for the electric current of detection circuit to prevent circuit mistake
The overcurrent protection module of stream can realize the charging effects such as automatic detection, charging, power-off, and be carried out to circuit voltage and electric current
Control, while overcurrent function is had both, improve the output stability of circuit.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is a kind of structure diagram of phone charger circuit in the embodiment of the present invention；
Fig. 2 is the circuit diagram of the identification module in the embodiment of the present invention；
Fig. 3 is the circuit diagram of the current control module in the embodiment of the present invention；
Fig. 4 is the circuit diagram of the voltage control module in the embodiment of the present invention；
Fig. 5 is the circuit diagram of the overcurrent protection module in the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
In some flows of description in description and claims of this specification and above-mentioned attached drawing, contain according to
Multiple operations that particular order occurs, but it should be clearly understood that these operations can not be what appears in this article suitable according to its
Sequence is executed or is executed parallel, and the serial number such as 101,102 etc. of operation is only used for distinguishing each different operation, serial number
It itself does not represent and any executes sequence.In addition, these flows may include more or fewer operations, and these operations can
To execute or execute parallel in order.It should be noted that the descriptions such as " first " herein, " second ", are for distinguishing not
Same message, equipment, module etc., does not represent sequencing, does not also limit " first " and " second " and be different type.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of example of the present invention, is implemented instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless by specific definitions as here, the meaning of idealization or too formal otherwise will not be used
To explain.
Embodiment
As shown in Figure 1, a kind of phone charger of the embodiment of the present invention is provided, including identification module 101, connection identification
The current control module 102 of module 101, the voltage control module 103 for connecting current control module 102 and connection voltage control mould
The overcurrent protection module 104 of block 103：
Identification module 101 identifies external component by GL888F chips；
Identification module 101 includes at least one recognition unit；
Recognition unit include GL888F chips, plug-in unit USB, resistance RS1A, R044A and RS01A, capacitance CS11A, CS1A and
C013A, triode QS1A, R029A, signal C01A and C01CA；
GL888F chips include five pins, respectively the first pin, second pin, third pin, the 4th pin and the
Five pins；
Plug-in unit USB includes four pins, respectively the first pin, second pin, third pin and the 4th pin；
When recognition unit is no less than two, mutually it is in series by the 4th pin of plug-in unit USB between recognition unit；
The first pin of plug-in unit USB is separately connected the collector of one end and triode QS1A of capacitance CS11A, and second is drawn
Foot connects the 4th pin of the first GL888F chips, and third pin connects the 5th pin of the first GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS11A of resistance RS1A；
The first pin and third pins in parallel of GL888F chips, and the other end in parallel is separately connected the one of capacitance CS1A
The other end at end and resistance RS1A, second pin ground connection；
One end of the base stage connection resistance R029A of the QS1A of triode, the other end connection signal C01A of resistance R029A,
Emitter is separately connected one end of resistance R044A and one end of RS01A, the other end connection signal C01CA of resistance R044A, letter
Number C01CA is also connected with one end of capacitance C013A；
The other end of capacitance C013A and CS1A and the other end of resistance RS01A are grounded；
As shown in Fig. 2, identification module 101 includes the first GL888F chips, the 2nd GL888F chips, the 3rd GL888F cores
Piece, the 4th GL888F chips, the 5th GL888F chips, the 6th GL888F chips, the 7th GL888F chips, the 8th GL888F cores
Piece, the 9th GL888F chips, the tenth GL888F chips, plug-in unit USB1, USB2, USB3, USB4, USB5, USB6, USB7, USB8,
USB9 and USB10, resistance RS1, RS2, RS3, RS4, RS5, RS6, RS7, RS8, RS9, R029, R030, R031, R032, R033,
R034、R035、R037、R038、R039、R044、R045、R046、R047、R048、R049、R050、R051、R052、R053、
RS02, RS03, RS04, RS05, RS06, RS07, RS08, RS09, RS10 and RS11, capacitance CS1, CS2, CS3, CS4, CS5,
CS6、CS7、CS8、CS9、CS10、CS11、CS12、CS13、CS14、CS15、CS16、CS17、CS18、CS19、CS20、C013、
C014, C015, C016, C017, C018, C020, C021, C023 and C024, diode U3, U5, R002, R005, D001 and
D002, triode QS1, QS2, QS3, QS4, QS5, QS6, QS7, QS8, QS9 and QS10, signal A1, A2, A01, A01A, B1,
B1B, B01, B01B, C1, C1C, C01, C01C, D1, D01, D1D, D01D, E01, E01E, E1, E1E and power supply V+；
First GL888F chips, the 2nd GL888F chips, the 3rd GL888F chips, the 4th GL888F chips, the 5th
GL888F chips, the 6th GL888F chips, the 7th GL888F chips, the 8th GL888F chips, the 9th GL888F chips and the tenth
GL888F chips include five pins, respectively the first pin, second pin, third pin, the 4th pin and the 5th pin；
Plug-in unit USB1, USB2, USB3, USB4, USB5, USB6, USB7, USB8, USB9 and USB10 draw including four
Foot, respectively the first pin, second pin, third pin and the 4th pin, and ten the 4th pins are all connected with；
The first pin of plug-in unit USB1 is separately connected the collector of one end and triode QS1 of capacitance CS11, and second is drawn
Foot connects the 4th pin of the first GL888F chips, and third pin connects the 5th pin of the first GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS11 of resistance RS1；
The first pin and third pins in parallel of first GL888F chips, and the other end in parallel is separately connected capacitance CS1
One end and resistance RS1 the other end, second pin ground connection；
The other end of capacitance CS1 is grounded；
One end of the base stage connection resistance R029 of the QS1 of triode, the other end connection signal C01 of resistance R029, transmitting
Pole is separately connected one end of resistance R044 and one end of RS01, and the other end connection signal C01C of resistance R044, signal C01C is also
One end of capacitance C013 is connected, the other end of capacitance C013 and the other end of resistance RS01 are grounded；
The first pin of plug-in unit USB2 is separately connected the collector of one end and triode QS2 of capacitance CS12, and second is drawn
Foot connects the 4th pin of the 2nd GL888F chips, and third pin connects the 5th pin of the 2nd GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS12 of resistance RS2；
The first pin and third pins in parallel of 2nd GL888F chips, and the other end in parallel is separately connected capacitance CS2
One end and resistance RS2 the other end, second pin ground connection；
The other end of capacitance CS2 is grounded；
One end of the base stage connection resistance R030 of the QS2 of triode, the other end connection signal B01 of resistance R030, transmitting
Pole is separately connected one end of resistance R045 and one end of RS02, and the other end connection signal B01B of resistance R045, signal B01B is also
One end of capacitance C014 is connected, the other end of capacitance C014 and the other end of resistance RS02 are grounded；
The first pin of plug-in unit USB3 is separately connected the collector of one end and triode QS3 of capacitance CS13, and second is drawn
Foot connects the 4th pin of the 3rd GL888F chips, and third pin connects the 5th pin of the first GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS13 of resistance RS3；
The first pin and third pins in parallel of 3rd GL888F chips, and the other end in parallel is separately connected capacitance CS3
One end and resistance RS3 the other end, second pin ground connection；
The other end of capacitance CS3 is grounded；
One end of the base stage connection resistance R031 of the QS3 of triode, the other end connection signal A01 of resistance R031, transmitting
Pole is separately connected one end of resistance R046 and one end of RS03, and the other end connection signal A01A of resistance R046, signal A01A is also
One end of capacitance C015 is connected, the other end of capacitance C015 and the other end of resistance RS03 are grounded；
The first pin of plug-in unit USB4 is separately connected the collector of one end and triode QS4 of capacitance CS14, and second is drawn
Foot connects the 4th pin of the 4th GL888F chips, and third pin connects the 5th pin of the 4th GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS14 of resistance RS4；
The first pin and third pins in parallel of 4th GL888F chips, and the other end in parallel is separately connected capacitance CS4
One end and resistance RS4 the other end, second pin ground connection；
The other end of capacitance CS4 is grounded；
One end of the base stage connection resistance R032 of the QS4 of triode, the other end connection signal D01 of resistance R032, transmitting
Pole is separately connected one end of resistance R047 and one end of RS04, and the other end connection signal D01D of resistance R047, signal D01D is also
One end of capacitance C016 is connected, the other end of capacitance C016 and the other end of resistance RS04 are grounded；
The first pin of plug-in unit USB5 is separately connected the collector of one end and triode QS5 of capacitance CS15, and second is drawn
Foot connects the 4th pin of the 5th GL888F chips, and third pin connects the 5th pin of the 5th GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS15 of resistance RS5；
The first pin and third pins in parallel of 5th GL888F chips, and the other end in parallel is separately connected capacitance CS5
One end and resistance RS5 the other end, second pin ground connection；
The other end of capacitance CS5 is grounded；
One end of the base stage connection resistance R033 of the QS5 of triode, the other end connection signal E01 of resistance R033, transmitting
Pole is separately connected one end of resistance R048 and one end of RS05, and the other end connection signal E01E of resistance R048, signal E01E is also
One end of capacitance C017 is connected, the other end of capacitance C017 and the other end of resistance RS05 are grounded；
The first pin of plug-in unit USB6 is separately connected the collector of one end and triode QS6 of capacitance CS16, and second is drawn
Foot connects the 4th pin of the 6th GL888F chips, and third pin connects the 5th pin of the 6th GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS16 of resistance RS6；
The first pin and third pins in parallel of 6th GL888F chips, and the other end in parallel is separately connected capacitance CS6
One end and resistance RS6 the other end, second pin ground connection；
The other end of capacitance CS6 is grounded；
One end of the base stage connection resistance R034 of the QS6 of triode, the other end connection signal A1 of resistance R034, emitter
It is separately connected one end of resistance R049 and one end of RS06, the other end connection signal A2, signal A2 of resistance R049 are also connected with electricity
Hold one end of C018, the other end of capacitance C018 and the other end of resistance RS06 are grounded；
The first pin of plug-in unit USB7 is separately connected the collector of one end and triode QS7 of capacitance CS17, and second is drawn
Foot connects the 4th pin of the 7th GL888F chips, and third pin connects the 5th pin of the 7th GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS17 of resistance RS7；
The first pin and third pins in parallel of 7th GL888F chips, and the other end in parallel is separately connected capacitance CS7
One end and resistance RS7 the other end, second pin ground connection；
The other end of capacitance CS7 is grounded；
One end of the base stage connection resistance R035 of the QS7 of triode, the other end connection signal B1 of resistance R035, emitter
It is separately connected one end of resistance R050 and one end of RS07, the other end connection signal B1B of resistance R050, signal B1B are also connected with
One end of capacitance C020, the other end of capacitance C020 and the other end of resistance RS07 are grounded；
The first pin of plug-in unit USB8 is separately connected the collector of one end and triode QS1 of capacitance CS18, and second is drawn
Foot connects the 4th pin of the 8th GL888F chips, and third pin connects the 5th pin of the 8th GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS18 of resistance RS8；
The first pin and third pins in parallel of 8th GL888F chips, and the other end in parallel is separately connected capacitance CS8
One end and resistance RS8 the other end, second pin ground connection；
The other end of capacitance CS8 is grounded；
One end of the base stage connection resistance R037 of the QS8 of triode, the other end connection signal E1 of resistance R037, emitter
It is separately connected one end of resistance R051 and one end of RS08, the other end connection signal E1E of resistance R051, signal E1E are also connected with
One end of capacitance C020, the other end of capacitance C021 and the other end of resistance RS08 are grounded；
The first pin of plug-in unit USB9 is separately connected the collector of one end and triode QS9 of capacitance CS19, and second is drawn
Foot connects the 4th pin of the 9th GL888F chips, and third pin connects the 5th pin of the 9th GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS19 of resistance RS1；
The first pin and third pins in parallel of 9th GL888F chips, and the other end in parallel is separately connected capacitance CS9
One end and resistance RS9 the other end, second pin ground connection；
The other end of capacitance CS9 is grounded；
One end of the base stage connection resistance R038 of the QS9 of triode, the other end connection signal D1 of resistance R038, emitter
It is separately connected one end of resistance R052 and one end of RS09, the other end connection signal D1D of resistance R052, signal D1D are also connected with
One end of capacitance C023, the other end of capacitance C023 and the other end of resistance RS09 are grounded；
The first pin of plug-in unit USB10 is separately connected the collector of one end and triode QS10 of capacitance CS20, second
4th pin of pin the tenth GL888F chips of connection, the 5th pin of third pin the tenth GL888F chips of connection, the 4th
Pin is also respectively connected with the other end of one end and capacitance CS20 of resistance RS10；
The first pin and third pins in parallel of tenth GL888F chips, and the other end in parallel is separately connected capacitance CS10
One end and resistance RS10 the other end, second pin ground connection；
The other end of capacitance CS10 is grounded；
One end of the base stage connection resistance R039 of the QS10 of triode, the other end connection signal C1 of resistance R039, transmitting
Pole is separately connected one end of resistance R053 and one end of RS11, and the other end connection signal C1C of resistance R053, signal C1C also connect
One end of capacitance C024 is connect, the other end of capacitance C024 and the other end of resistance RS11 are grounded.
Current control module 102 carries out current stabilization control by microcontroller to circuit；
As shown in figure 3, current control module 102 include first singlechip, second singlechip, resistance R002, R003,
R004, R006, R007, R008, R009, R010, R011, R036, R043, R0426, capacitance C001, C002, C003, C004,
C005, diode U3, U5, D002, R001, R002, R005, triode QS11, signal A1, A2, A01, A01A, B1, B1B,
B01, B01B, C1, C1C, C01, C01C, D1, D01, D1D, D01D, E01, E01E, E1, E1E and power supply V+；
First singlechip and second singlechip include 16 pins；
First pin connection signal E1 of first singlechip, second pin be separately connected resistance R036 one end and
One end of R041, the 4th pin connection signal D1D, the 5th pin connection signal E1E, the 6th pin connection signal A1A,
7th pin connection signal B1B, the 8th pin connection signal C1C, the 9th pin be separately connected resistance R007 one end,
One end of one end of resistance R006, one end of capacitance C004 and diode U5, the tenth pin connection signal A1, the 11st is drawn
Foot connection signal B1, the 12nd pin are separately connected one end of diode R005, one end of capacitance C003 and resistance R006
The other end, the 13rd pin ground connection, the 14th pin connection signal C1, the 15th pin connection signal D1, the 16th
One end of a pin connection diode D001；
The other end of diode D001 is separately connected one end of one end and resistance R011 of diode D002, resistance R011's
The other end be separately connected the base stage of triode QS11, one end of resistance R010 and capacitance C005 one end；
One end of the collector connection resistance R009 of triode QS11；
The other end of resistance R009 connects voltage control module；
The other end of the other end connection resistance R0426 of resistance R036；The other end of resistance R007 is separately connected resistance
The second end of one end and diode U5 of R008；
The other end connection power supply V+ of diode R005；
First pin connection signal E01 of second singlechip, second pin be separately connected resistance R0426 one end and
One end of R043, the 4th pin connection signal D01D, the 5th pin connection signal E01E, the 6th pin connection signal
A01A, the 7th pin connection signal B01B, the 8th pin connection signal C1C, the 9th pin are separately connected resistance R002
One end, one end of resistance R003, one end of capacitance C002 and diode U3 one end, the tenth pin connection signal A01,
11 pin connection signal B01, the 12nd pin are separately connected one end of diode R002, one end of capacitance C002 and electricity
Hinder the other end of R002, the 13rd pin ground connection, the 14th pin connection signal C01, the 15th pin connection signal
D01, the other end of the 16th pin connection diode D002；
One end of the other end connection resistance R004 of resistance R003；
The other end of diode R002 is separately connected one end of one end and capacitance C001 of diode R001；
The other end of capacitance C001, C002, C003, C004 and C005, resistance R004, R041, R043, R008 and R010
The third end of the other end, the emitter of triode QS11 and diode U3 and U5 is grounded respectively；
The other end connection power supply V+ of diode R001.
The model of first monolithic and second singlechip is MC96F8208.
Voltage control module 103 controls chip for carrying out voltage stabilizing control to circuit by synchronous rectification；
As shown in figure 4, voltage control module 103 include synchronous rectification control chip U2, resistance R1, R3, R4, R5, R6,
R7、R8、R9、R10、R11、R12、R13、R14、R15、R16、R17、R18、R19、R20、R21、R22、R23、R24、R26、R27、
R28, R024A, R25, R26, R040, R67, RS12 and RS13, capacitance CX1, CY2, C1, C2, C3, C4, C 5, C6, C7, C8,
C9, C10, C11, C12, C19, C22 and C31, diode D1, D2, D4, D5, BD1, D6A, D6, D7, D8, IC3 and IC2-A, bridge
Formula rectifier diode BD1, inductance coil LF1 and LF2, triode Q1, Q2 and IC2-B, fuse F1, transformer T1, power supply V+
And V-
It includes eight pins, one end of first pin connection capacitance C4, second pin that synchronous rectification, which controls chip U2,
It is separately connected one end of the collector and capacitance C3 of triode IC2-B, third pin is separately connected one end and the electricity of capacitance C19
Hinder one end of R21, the 4th pin connect digitally, the 5th pin be separately connected diode D5 one end and resistance R13 one
End, the 6th pin are separately connected one end of one end and resistance R16 of capacitance C10, and the 8th pin connects the one of resistance R18
End；
One end of the other end connection resistance R14 of diode D5；
The other end of the other end resistance R14 of resistance R13, one end and triode Q1 of resistance R15 one end；
The other end of resistance R15 is separately connected the other end of resistance R21, one end of resistance R20, one end of resistance R10, electricity
Hinder one end, one end of resistance R12 and the second end of triode Q1 of R11；
The second end of the third end connection transformer T1 of triode Q1；
The other end, the electricity of the other end of capacitance C4, the emitter of triode IC2-B, the other end of capacitance C3, capacitance C19
Resistance the other end of R20, the other end of resistance R10, the other end of resistance R11, resistance R12 the other end connect respectively digitally；
The other end of resistance R16 is separately connected one end of one end of capacitance C22, one end of diode D4 and capacitance C5；Electricity
Another termination of the other end and capacitance C5 that hold C10 is digitally；
The other end of capacitance C22 and the other end of diode D4 are separately connected one end of resistance R9, the other end of resistance R9
Connect the 4th end of transformer T1；
One end of one end connection resistance R8 of resistance R18, the other end of resistance R8 are separately connected the one of diode D1 and D2
End；
The other end of diode D1 be separately connected bridge rectifier diode BD1 first end and inductance coil LF2 first
End；
The other end side of diode D2 be separately connected bridge rectifier diode BD1 third end and inductance coil LF2
Two ends；
The third end of inductance coil LF2 is separately connected the first end of one end and inductance coil LF1 of capacitance CX1, the 4th end
It is separately connected the other end of capacitance CX1 and the 4th end of inductance coil LF1；
The zero curve of the second end connection external circuit of inductance coil LF1, third end connects one end of fuse F1；Fuse
The firewire of the other end connection external circuit of F1；
The second end of bridge rectifier diode BD1 be separately connected one end of capacitance CY2, C1, C2, resistance R6 one end and
The first end of transformer T1, the 4th terminates digitally,
Another termination of capacitance C1 is digitally；
The other end of capacitance C2 is separately connected one end of resistance R1, R3, R4, R5 and R7；Resistance R1, R3, R4, R5's is another
End is in parallel, and the other end in parallel is separately connected one end of diode D6A and D6；
The other end of diode D6A and D6 are separately connected the second end of transformer T1；
The other end of the other end connection resistance R7 of resistance R6；
One end of the six end connecting resistance R22 of transformer T1, the 7th end and the 8th end are grounded, and the 9th end is separately connected
The emitter of one end and triode Q2 of resistance R17；
One end of the other end connection capacitance C6 of resistance R17；
One end of the base stage connection resistance R19 of triode Q2, the collector of triode Q2, the other end of capacitance C6, capacitance
One end of C7, C8, C9 and C31, one end of diode D8, one end of resistance R26 and R25 and switch S1 and SW2 one end difference
Connect power supply V+；
The other end connection signal GND1 of resistance RS12；
The other end connection signal GND1 of resistance RS13；
It includes six pins that synchronous rectification, which controls chip U2, the other end of first pin connection resistance R19, second
Pin is separately connected the one end at the 9th end and capacitance C12 of its 6th pin, transformer T1, and third pin is separately connected electricity
Hold one end of the other end and diode D7 of C12, the other end of the 4th pin connection resistance R25；
The other end of the other end connection resistance R22 of told diode D7；
One end of the other end connection resistance R024A of switch S1；
Resistance R024A other end connection signals SW1；
One end connection signal SW1 of resistance R040, the other end connect one end of Light-emitting diode LED 1；
Power supply V-, resistance R24, the other end of capacitance C7, C8, C9 and CY2, the other end of diode D8, resistance RS12 and
One end of RS13 and the other end ground connection of Light-emitting diode LED 1；
One end of the other end connection resistance R23 of switch SW2, the other end of resistance R23 be separately connected diode IC2-A and
One end of resistance R27 parallel connections；
Diode IC2-A and the other end of resistance R27 parallel connections be separately connected one end of diode IC3, capacitance C11 one end
And overcurrent protection module；
The second end of diode IC3 connects current control module, third end ground connection；
One end of the other end connection resistance R28 of capacitance C11, the one of the other end difference resistance R67 and R24 of resistance R28
End, and the junction of resistance R28, R67 and R24 are also connected with current control module；
The other end of resistance R24 is grounded；
The other end of resistance R67 is separately connected the other end of the other end and capacitance C31 of resistance R26.
It is SOP-8 chips that synchronous rectification, which controls chip U2,.
Capacitance C1, C5, C7, C8, C9 and C12 are the capacitance of polarized；
Capacitance C1 and C5 indicate that one end of cathode connects digitally；
Capacitance C7, C8 and C9 indicate that one end of cathode connects digitally；
Capacitance C12 indicates the third pin of one end connection synchronous rectification control chip U2 of anode.
Overcurrent protection module 104 is by overcurrent protection chip for the electric current of detection circuit to prevent circuit overcurrent；
As shown in figure 5, overcurrent protection module 104 include overcurrent protection chip U7-A and U7-8, resistance R54, R55, R56,
R57, R58, R59, R60, R61, R62, R63, R64, R65 and R66, capacitance C025, C026, C027, C028, C029 and C030,
Diode U8, D3, D10 and D13, signal VREF and power supply V+；
Overcurrent protection chip U7-A and U7-8 include eight pins；
First pin of overcurrent protection chip U7-A is separately connected one end of one end and capacitance C026 of diode D3, the
One end of one end and R54 of two pin connection resistance R59, third pin connect one end of resistance R55, and the 4th pin connects
Ground, the 8th pin are separately connected one end of one end and diode D10 of capacitance C030；
The other end of diode D3 connects voltage control module；
The other end of the other end connection resistance R59 of capacitance C026；
The other end of resistance R54 is separately connected one end of one end and resistance R58 of capacitance C025；
One end of resistance R55 is separately connected one end of resistance R56 and one end of R57
The other end connecting signal source VREF1 of resistance R57；
The other end connection power supply V+ of diode D10；
One end of the 5th pin connection resistance R61 of overcurrent protection chip U7-B, the 6th pin connect resistance R65's
One end of one end and R60, the 7th pin are separately connected one end of one end and capacitance C028 of diode D13；
The other end of resistance R61 is separately connected one end of resistance R62 and one end of R63；
The other end connecting signal source VREF1 of resistance R63；
The other end of one end connection capacitance C028 of resistance R65；
One end of resistance R60 is separately connected one end of one end and resistance R64 of capacitance C027；
The other end of diode D13 connects voltage control module；
One end of power supply V+ connection resistance R66, the other end of resistance R66 are separately connected the first end of diode U8, capacitance
One end of C029 and signal VREF1；
The second end connection signal VREF1 of diode U8；
The other end of resistance R56, R58 and R62, the third end of diode U8 and capacitance C025, C027, C029 and C030
The other end is grounded.
The above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of phone charger, which is characterized in that including identification module, the connection identification module current control module,
Connect the voltage control module of the current control module and the overcurrent protection module of the connection voltage control module：
The identification module identifies external component by GL888F chips；
The current control module carries out current stabilization control by microcontroller to circuit；
The voltage control module controls chip for carrying out voltage stabilizing control to circuit by synchronous rectification；
The overcurrent protection module is by overcurrent protection chip for the electric current of detection circuit to prevent circuit overcurrent.
2. phone charger according to claim 1, which is characterized in that the identification module includes that at least one identification is single
Member；
The recognition unit include GL888F chips, plug-in unit USB, resistance RS1A, R044A and RS01A, capacitance CS11A, CS1A and
C013A, triode QS1A, R029A, signal C01A and C01CA；
The GL888F chips include five pins, respectively the first pin, second pin, third pin, the 4th pin and the
Five pins；
The plug-in unit USB includes four pins, respectively the first pin, second pin, third pin and the 4th pin；
When the recognition unit is no less than two, mutually it is in series by the 4th pin of plug-in unit USB between the recognition unit；
The first pin of the plug-in unit USB is separately connected the collector of one end and triode QS1A of capacitance CS11A, and second is drawn
Foot connects the 4th pin of the first GL888F chips, and third pin connects the 5th pin of the first GL888F chips, and the 4th draws
Foot is also respectively connected with the other end of one end and capacitance CS11A of resistance RS1A；
The first pin and third pins in parallel of the GL888F chips, and the other end in parallel is separately connected the one of capacitance CS1A
The other end at end and resistance RS1A, second pin ground connection；
One end of the base stage connection resistance R029A of the QS1A of the triode, the other end connection signal of the resistance R029A
C01A, emitter are separately connected one end of resistance R044A and one end of RS01A, the other end connection signal of the resistance R044A
C01CA, the signal C01CA are also connected with one end of capacitance C013A；
The other end of the capacitance C013A and CS1A and the other end of resistance RS01A are grounded.
3. phone charger according to claim 1, which is characterized in that the current control module includes the first monolithic
Machine, second singlechip, 12 resistance R002-R011, R036, R043, R0426,5 capacitance C001-C005, diode U3, U5,
D002, R001, R002, R005, triode QS11, signal A1, A1A, A2, A01, A01A, B1, B1B, B01, B01B, C1, C1C,
C01, C01C, D1, D01, D1D, D01D, E01, E01E, E1, E1E and power supply V+；
The first singlechip and second singlechip include 16 pins；
First pin connection signal E1 of the first singlechip, second pin be separately connected resistance R036 one end and
One end of R041, the 4th pin connection signal D1D, the 5th pin connection signal E1E, the 6th pin connection signal A1A,
7th pin connection signal B1B, the 8th pin connection signal C1C, the 9th pin be separately connected resistance R007 one end,
One end of one end of resistance R006, one end of capacitance C004 and diode U5, the tenth pin connection signal A1, the 11st is drawn
Foot connection signal B1, the 12nd pin are separately connected one end of diode R005, one end of capacitance C003 and resistance R006
The other end, the 13rd pin ground connection, the 14th pin connection signal C1, the 15th pin connection signal D1, the 16th
One end of a pin connection diode D001；
The other end of the diode D001 is separately connected one end of one end and resistance R011 of diode D002, the resistance
The other end of R011 be separately connected the base stage of triode QS11, one end of resistance R010 and capacitance C005 one end；
One end of the collector connection resistance R009 of the triode QS11；
The other end of the resistance R009 connects voltage control module；
The other end of the other end connection resistance R0426 of the resistance R036；The other end of the resistance R007 is separately connected electricity
Hinder the second end of one end and diode U5 of R008；
The other end connection power supply V+ of the diode R005；
First pin connection signal E01 of the second singlechip, second pin be separately connected resistance R0426 one end and
One end of R043, the 4th pin connection signal D01D, the 5th pin connection signal E01E, the 6th pin connection signal
A01A, the 7th pin connection signal B01B, the 8th pin connection signal C1C, the 9th pin are separately connected resistance R002
One end, one end of resistance R003, one end of capacitance C002 and diode U3 one end, the tenth pin connection signal A01,
11 pin connection signal B01, the 12nd pin are separately connected one end of diode R002, one end of capacitance C002 and electricity
Hinder the other end of R002, the 13rd pin ground connection, the 14th pin connection signal C01, the 15th pin connection signal
D01, the other end of the 16th pin connection diode D002；
One end of the other end connection resistance R004 of the resistance R003；
The other end of the diode R002 is separately connected one end of one end and capacitance C001 of diode R001；
The other end of described capacitance C001, C002, C003, C004 and C005, resistance R004, R041, R043, R008 and R010
The third end of the other end, the emitter of triode QS11 and diode U3 and U5 is grounded respectively；
The other end connection power supply V+ of the diode R001.
4. phone charger according to claim 3, which is characterized in that the model of first monolithic and second singlechip
It is MC96F8208.
5. phone charger according to claim 1, which is characterized in that the voltage control module includes synchronous rectification control
Coremaking piece U2,34 resistance R1, R3-R28, R024A, R040, R67, RS12 and RS13,17 capacitance CX1, CY2, C1-C12,
C19, C22 and C31, diode D1, D2, D4, D5, BD1, D6A, D6, D7, D8, IC3 and IC2-A, bridge rectifier diode BD1,
Inductance coil LF1 and LF2, triode Q1, Q2 and IC2-B, fuse F1, transformer T1, power supply V+ and V-
The synchronous rectification control chip U2 includes eight pins, one end of first pin connection capacitance C4, second pin
It is separately connected one end of the collector and capacitance C3 of triode IC2-B, third pin is separately connected one end and the electricity of capacitance C19
Hinder one end of R21, the 4th pin connect digitally, the 5th pin be separately connected diode D5 one end and resistance R13 one
End, the 6th pin are separately connected one end of one end and resistance R16 of capacitance C10, and the 8th pin connects the one of resistance R18
End；
One end of the other end connection resistance R14 of the diode D5；
The other end of the other end resistance R14 of the resistance R13, one end and triode Q1 of resistance R15 one end；
The other end of the resistance R15 is separately connected the other end of resistance R21, one end of resistance R20, one end of resistance R10, electricity
Hinder one end, one end of resistance R12 and the second end of triode Q1 of R11；
The second end of the third end connection transformer T1 of the triode Q1；
The other end of the capacitance C4, the other end, the electricity of the emitter of triode IC2-B, the other end of capacitance C3, capacitance C19
Resistance the other end of R20, the other end of resistance R10, the other end of resistance R11, resistance R12 the other end connect respectively digitally；
The other end of the resistance R16 is separately connected one end of one end of capacitance C22, one end of diode D4 and capacitance C5；Institute
Another termination of the other end and capacitance C5 of stating capacitance C10 is digitally；
The other end of the capacitance C22 and the other end of diode D4 are separately connected one end of resistance R9, and the resistance R9's is another
One end connects the 4th end of transformer T1；
One end of one end connection resistance R8 of the resistance R18, the other end of the resistance R8 are separately connected diode D1 and D2
One end；
The other end of the diode D1 be separately connected bridge rectifier diode BD1 first end and inductance coil LF2 first
End；
The other end side of the diode D2 be separately connected bridge rectifier diode BD1 third end and inductance coil LF2
Two ends；
The third end of the inductance coil LF2 is separately connected the first end of one end and inductance coil LF1 of capacitance CX1, the 4th end
It is separately connected the other end of capacitance CX1 and the 4th end of inductance coil LF1；
The zero curve of the second end connection external circuit of the inductance coil LF1, third end connects one end of fuse F1；It is described molten
The firewire of the other end connection external circuit of disconnected device F1；
The second end of the bridge rectifier diode BD1 be separately connected one end of capacitance CY2, C1, C2, resistance R6 one end and
The first end of transformer T1, the 4th terminates digitally,
Another termination of the capacitance C1 is digitally；
The other end of the capacitance C2 is separately connected one end of resistance R1, R3, R4, R5 and R7；Described resistance R1, R3, R4, R5's
The other end is in parallel, and the other end in parallel is separately connected one end of diode D6A and D6；
The other end of the diode D6A and D6 is separately connected the second end of transformer T1；
The other end of the other end connection resistance R7 of the resistance R6；
One end of the six end connecting resistance R22 of the transformer T1, the 7th end and the 8th end are grounded, and the 9th end is separately connected
The emitter of one end and triode Q2 of resistance R17；
One end of the other end connection capacitance C6 of the resistance R17；
One end of the base stage connection resistance R19 of the triode Q2, the collector of the triode Q2, the other end of capacitance C6,
One end of capacitance C7, C8, C9 and C31, one end of diode D8, one end of resistance R26 and R25 and switch S1 and SW2 one end
It is separately connected power supply V+；
The other end connection signal GND1 of the resistance RS12；
The other end connection signal GND1 of the resistance RS13；
Synchronous rectification control chip U2 includes six pins, the other end of first pin connection resistance R19, second
Pin is separately connected the one end at the 9th end and capacitance C12 of its 6th pin, transformer T1, and third pin is separately connected electricity
Hold one end of the other end and diode D7 of C12, the other end of the 4th pin connection resistance R25；
The other end of the other end connection resistance R22 of told diode D7；
One end of the other end connection resistance R024A of the switch S1；
The resistance R024A other end connection signals SW1；
One end connection signal SW1 of the resistance R040, the other end connect one end of Light-emitting diode LED 1；
One end of the other end connection resistance R23 of the switch SW2, the other end of the resistance R23 are separately connected diode
One end of IC2-A and resistance R27 parallel connections；
The diode IC2-A and the other end of resistance R27 parallel connections be separately connected one end of diode IC3, capacitance C11 one end
And overcurrent protection module；
The second end of the diode IC3 connects current control module, third end ground connection；
One end of the other end connection resistance R28 of the capacitance C11, the other end difference resistance R67 and R24 of the resistance R28
One end, and the junction of resistance R28, R67 and R24 are also connected with current control module；
The power supply V-, resistance R24, the other end of capacitance C7, C8, C9 and CY2, the other end of diode D8, resistance RS12 and
One end of RS13 and the other end of Light-emitting diode LED 1 are grounded；
The other end of the resistance R67 is separately connected the other end of the other end and capacitance C31 of resistance R26.
6. phone charger according to claim 5, which is characterized in that the synchronous rectification control chip U2 is SOP-8
Chip.
7. phone charger according to claim 5, which is characterized in that described capacitance C1, C5, C7, C8, C9 and C12 are
The capacitance of polarized；
The capacitance C1 and C5 indicates that one end of cathode connects digitally；
Described capacitance C7, C8 and C9 indicate that one end of cathode connects digitally；
The capacitance C12 indicates the third pin of one end connection synchronous rectification control chip U2 of anode.
8. phone charger according to claim 1, which is characterized in that the overcurrent protection module includes overcurrent protection core
Piece U7-A and U7-8,13 resistance R54-R66,6 capacitance C025-C030, diode U8, D3, D10 and D13, signal VREF and
Power supply V+；
Overcurrent protection the chip U7-A and U7-8 include eight pins；
First pin of the overcurrent protection chip U7-A is separately connected one end of one end and capacitance C026 of diode D3, the
One end of one end and R54 of two pin connection resistance R59, third pin connect one end of resistance R55, and the 4th pin connects
Ground, the 8th pin are separately connected one end of one end and diode D10 of capacitance C030；
The other end of the diode D3 connects voltage control module；
The other end of the other end connection resistance R59 of the capacitance C026；
The other end of the resistance R54 is separately connected one end of one end and resistance R58 of capacitance C025；
One end of the resistance R55 is separately connected one end of resistance R56 and one end of R57
The other end connecting signal source VREF1 of the resistance R57；
The other end connection power supply V+ of the diode D10；
One end of the 5th pin connection resistance R61 of the overcurrent protection chip U7-B, the 6th pin connect resistance R65's
One end of one end and R60, the 7th pin are separately connected one end of one end and capacitance C028 of diode D13；
The other end of the resistance R61 is separately connected one end of resistance R62 and one end of R63；
The other end connecting signal source VREF1 of the resistance R63；
The other end of one end connection capacitance C028 of the resistance R65；
One end of the resistance R60 is separately connected one end of one end and resistance R64 of capacitance C027；
The other end of the diode D13 connects voltage control module；
One end of the power supply V+ connection resistance R66, the other end of the resistance R66 be separately connected the first end of diode U8,
One end of capacitance C029 and signal VREF1；
The second end connection signal VREF1 of the diode U8；
The other end of described resistance R56, R58 and R62, the third end of diode U8 and capacitance C025, C027, C029 and C030
The other end is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603106.9A CN108551195B (en) | 2018-06-12 | 2018-06-12 | Mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603106.9A CN108551195B (en) | 2018-06-12 | 2018-06-12 | Mobile phone charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108551195A true CN108551195A (en) | 2018-09-18 |
| CN108551195B CN108551195B (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603106.9A Active CN108551195B (en) | 2018-06-12 | 2018-06-12 | Mobile phone charger |
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| CN104113116A (en) * | 2014-07-23 | 2014-10-22 | 上海广为美线电源电器有限公司 | Emergency starting power supply capable of automatically recognizing charging of inner battery and outer battery |
| WO2015003376A1 (en) * | 2013-07-11 | 2015-01-15 | 吉瑞高新科技股份有限公司 | Usb charger for electronic cigarette |
| CN204928297U (en) * | 2015-09-24 | 2015-12-30 | 四川品胜电子有限公司 | Mobile power supply |
| CN107787079A (en) * | 2016-08-31 | 2018-03-09 | 原小光 | Controller for solar |
| CN207339313U (en) * | 2017-07-19 | 2018-05-08 | 上海市共进通信技术有限公司 | Multi-functional charging cabinet |
| CN208479217U (en) * | 2018-06-12 | 2019-02-05 | 深圳市瑞晶实业有限公司 | A kind of phone charger |
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2018
- 2018-06-12 CN CN201810603106.9A patent/CN108551195B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100944802B1 (en) * | 2009-08-31 | 2010-02-26 | 김삼현 | Controllng curcuit for ac charging |
| WO2015003376A1 (en) * | 2013-07-11 | 2015-01-15 | 吉瑞高新科技股份有限公司 | Usb charger for electronic cigarette |
| CN203607870U (en) * | 2013-10-11 | 2014-05-21 | 巫晓艳 | Portable power supply with display screen |
| CN104113116A (en) * | 2014-07-23 | 2014-10-22 | 上海广为美线电源电器有限公司 | Emergency starting power supply capable of automatically recognizing charging of inner battery and outer battery |
| CN204928297U (en) * | 2015-09-24 | 2015-12-30 | 四川品胜电子有限公司 | Mobile power supply |
| CN107787079A (en) * | 2016-08-31 | 2018-03-09 | 原小光 | Controller for solar |
| CN207339313U (en) * | 2017-07-19 | 2018-05-08 | 上海市共进通信技术有限公司 | Multi-functional charging cabinet |
| CN208479217U (en) * | 2018-06-12 | 2019-02-05 | 深圳市瑞晶实业有限公司 | A kind of phone charger |
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| Publication number | Publication date |
|---|---|
| CN108551195B (en) | 2024-04-05 |
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