CN108551195B - Mobile phone charger - Google Patents
Mobile phone charger Download PDFInfo
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- CN108551195B CN108551195B CN201810603106.9A CN201810603106A CN108551195B CN 108551195 B CN108551195 B CN 108551195B CN 201810603106 A CN201810603106 A CN 201810603106A CN 108551195 B CN108551195 B CN 108551195B
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 216
- 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
- 101000921780 Solanum tuberosum Cysteine synthase Proteins 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 101000941170 Homo sapiens U6 snRNA phosphodiesterase 1 Proteins 0.000 description 3
- 102100031314 U6 snRNA phosphodiesterase 1 Human genes 0.000 description 3
- 101710082795 30S ribosomal protein S17, chloroplastic Proteins 0.000 description 2
- 101000849579 Arabidopsis thaliana 30S ribosomal protein S13, chloroplastic Proteins 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000018109 developmental process Effects 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
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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
- H02J7/007—Regulation of charging or discharging current or voltage
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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
- 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 invention provides a mobile phone charger, which comprises an identification module, a current control module connected with the identification module, a voltage control module connected with the current control module and an overcurrent protection module connected with the voltage control module, wherein the current control module is connected with the current control module: the identification module is used for identifying external components through the GL888F chip; the current control module is used for performing current stabilizing control on the circuit through the singlechip; the voltage control module is used for controlling the voltage stabilization of the circuit by the synchronous rectification control chip; the overcurrent protection module is used for detecting the current of the circuit through an overcurrent protection chip so as to prevent the circuit from overcurrent. The invention can realize the charging effects of automatic detection, charging, power failure and the like, control the circuit voltage and current, and the colleague has the overcurrent function and improves the output stability of the circuit.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a mobile phone charger.
Background
Currently, with the development of telecommunication industry, mobile phones are basically popularized, and great convenience is brought to life and work of people. However, after the mobile phone is used for a period of time, the mobile phone needs to be charged, but when the mobile phone is charged by the existing mobile phone charger, the battery voltage is gradually increased, and the charging current is gradually reduced; the use of fast charging may overcharging the battery, which may lead to battery damage. For cyclic charging, the charging effect is better by adopting smaller current for charging. However, for a large-capacity storage battery, the charging time is long, the aging is low, and a plurality of inconveniences are caused.
Disclosure of Invention
The present invention is directed to the drawbacks of the prior art, and provides a mobile phone charger for solving the above-mentioned problems in the prior art.
According to one aspect of the present invention, there is provided a mobile phone charger, including an identification module, a current control module connected to the identification module, a voltage control module connected to the current control module, and an overcurrent protection module connected to the voltage control module:
the identification module is used for identifying external components through the GL888F chip;
the current control module is used for performing current stabilizing control on the circuit through the singlechip;
the voltage control module is used for performing voltage stabilizing control on the circuit through the synchronous rectification control chip;
the overcurrent protection module is used for detecting the current of the circuit through an overcurrent protection chip so as to prevent the circuit from overcurrent.
Further, the identification module comprises at least one identification unit;
the identification unit comprises a GL888F chip, a plug-in USB, resistors RS1A, R044A and RS01A, capacitors CS11A, CS A and C013A, triodes QS1A, R029A and signals C01A and C01CA;
the GL888F chip comprises five pins, namely a first pin, a second pin, a third pin, a fourth pin and a fifth pin;
The plug-in USB comprises four pins, namely a first pin, a second pin, a third pin and a fourth pin;
when the number of the identification units is not less than two, the identification units are connected in series through a fourth pin of the plug-in USB;
the first pin of the plug-in USB is respectively connected with one end of the capacitor CS11A and the collector of the triode QS1A, the second pin is connected with the fourth pin of the first GL888F chip, the third pin is connected with the fifth pin of the first GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS1A and the other end of the capacitor CS 11A;
the first pin and the third pin of the GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS1A and the other end of a resistor RS1A, and the second pin is grounded;
the base electrode of QS1A of the triode is connected with one end of a resistor R029A, the other end of the resistor R029A is connected with a signal C01A, the emitter is respectively connected with one end of a resistor R044A and one end of a resistor RS01A, the other end of the resistor R044A is connected with a signal C01CA, and the signal C01CA is also connected with one end of a capacitor C013A;
the other ends of the capacitors C013A and CS1A and the other end of the resistor RS01A are grounded.
Further, the current control module comprises a first singlechip, a second singlechip, 12 resistors R002-R011, R036, R043, R0426, 5 capacitors C001-C005, diodes U3, U5, D002, R001, R002, R005, a triode QS11, a signal A1, A1A, A2, A01A, B1, B1B, B01, B01B, C1, C1C, C01, C01C, D1, D01, D1D, D01D, E01, E01E, E, E1E, and a power supply V+;
The first singlechip and the second singlechip both comprise 16 pins;
the first pin of the first singlechip is connected with a signal E1, the second pin is respectively connected with one end of a resistor R036 and one end of a resistor R041, the fourth pin is connected with a signal D1D, the fifth pin is connected with a signal E1E, the sixth pin is connected with a signal A1A, the seventh pin is connected with a signal B1B, the eighth pin is connected with a signal C1C, the ninth pin is respectively connected with one end of the resistor R007, one end of a resistor R006, one end of a capacitor C004 and one end of a diode U5, the tenth pin is connected with a signal A1, the eleventh pin is connected with a signal B1, the twelfth pin is respectively connected with one end of a diode R005, one end of a capacitor C003 and the other end of the resistor R006, the thirteenth pin is grounded, the fourteenth pin is connected with a signal C1, and the sixteenth pin is connected with one end of the diode D001;
the other end of the diode D001 is respectively connected with one end of the diode D002 and one end of the resistor R011, and the other end of the resistor R011 is respectively connected with the base electrode of the triode QS11, one end of the resistor R010 and one end of the capacitor C005;
the collector electrode of the triode QS11 is connected with one end of a resistor R009;
The other end of the resistor R009 is connected with a voltage control module;
the other end of the resistor R036 is connected with the other end of the resistor R0426; the other end of the resistor R007 is respectively connected with one end of the resistor R008 and the second end of the diode U5;
the other end of the diode R005 is connected with a power supply V+;
the first pin of the second singlechip is connected with a signal E01, the second pin is respectively connected with one end of a resistor R0426 and one end of a resistor R043, the fourth pin is connected with a signal D01D, the fifth pin is connected with a signal E01E, the sixth pin is connected with a signal A01A, the seventh pin is connected with a signal B01B, the eighth pin is connected with a signal C1C, the ninth pin is respectively connected with one end of a resistor R002, one end of a resistor R003, one end of a capacitor C002 and one end of a diode U3, the tenth pin is connected with a signal A01, the eleventh pin is connected with a signal B01, the twelfth pin is respectively connected with one end of a diode R002 and the other end of the resistor R002, the thirteenth pin is grounded, the fourteenth pin is connected with a signal C01, the fifteenth pin is connected with a signal D01, and the sixteenth pin is connected with the other end of the diode D002;
the other end of the resistor R003 is connected with one end of the resistor R004;
The other end of the diode R002 is respectively connected with one end of the diode R001 and one end of the capacitor C001;
the other ends of the capacitors C001, C002, C003, C004 and C005, the other ends of the resistors R004, R041, R043, R008 and R010, the emitter of the triode QS11 and the third ends of the diodes U3 and U5 are respectively grounded;
the other end of the diode R001 is connected with a power supply V+.
Further, the models of the first singlechip and the second singlechip are MC96F8208.
Further, the voltage control module comprises synchronous rectification control chips U2, 34 resistors R1, R3-R28, R024A, R040, R67, RS12 and RS13, 17 capacitors CX1, CY2, C1-C12, C19, C22 and C31, diodes D1, D2, D4, D5, BD1, D6A, D6, D7, D8, IC3 and IC2-A, bridge rectifier diode BD1, inductance coils LF1 and LF2, triodes Q1, Q2 and IC2-B, a fuse F1, a transformer T1, power supplies V+ and V-
The synchronous rectification control chip U2 comprises eight pins, wherein the first pin is connected with one end of a capacitor C4, the second pin is respectively connected with a collector of a triode IC2-B and one end of a capacitor C3, the third pin is respectively connected with one end of a capacitor C19 and one end of a resistor R21, the fourth pin is grounded digitally, the fifth pin is respectively connected with one end of a diode D5 and one end of a resistor R13, the sixth pin is respectively connected with one end of a capacitor C10 and one end of a resistor R16, and the eighth pin is connected with one end of a resistor R18;
The other end of the diode D5 is connected with one end of a resistor R14;
the other end of the resistor R13, the other end of the resistor R14, one end of the resistor R15 and one end of the triode Q1;
the other end of the resistor R15 is respectively connected with the other end of the resistor R21, one end of the resistor R20, one end of the resistor R10, one end of the resistor R11, one end of the resistor R12 and the second end of the triode Q1;
the third end of the triode Q1 is connected with the second end of the transformer T1;
the other end of the capacitor C4, the emitter of the triode IC2-B, the other end of the capacitor C3, the other end of the capacitor C19, the other end of the resistor R20, the other end of the resistor R10, the other end of the resistor R11 and the other end of the resistor R12 are respectively grounded digitally;
the other end of the resistor R16 is respectively connected with one end of the capacitor C22, one end of the diode D4 and one end of the capacitor C5; the other end of the capacitor C10 and the other end of the capacitor C5 are connected with digital ground;
the other end of the capacitor C22 and the other end of the diode D4 are respectively connected with one end of a resistor R9, and the other end of the resistor R9 is connected with the fourth end of the transformer T1;
one end of the resistor R18 is connected with one end of the resistor R8, and the other end of the resistor R8 is respectively connected with one ends of the diodes D1 and D2;
The other end of the diode D1 is respectively connected with the first end of the bridge rectifier diode BD1 and the first end of the inductance coil LF 2;
the other end of the diode D2 is respectively connected with the third end of the bridge rectifier diode BD1 and the second end of the inductance coil LF 2;
the third end of the inductance coil LF2 is respectively connected with one end of the capacitance CX1 and the first end of the inductance coil LF1, and the fourth end is respectively connected with the other end of the capacitance CX1 and the fourth end of the inductance coil LF 1;
a second end of the inductance coil LF1 is connected with a zero line of an external circuit, and a third end of the inductance coil LF1 is connected with one end of the fuse F1; the other end of the fuse F1 is connected with a live wire of an external circuit;
the second end of the bridge rectifier diode BD1 is respectively connected with one end of the capacitors CY2, C1 and C2, one end of the resistor R6 and the first end of the transformer T1, the fourth end is connected with digital ground,
the other end of the capacitor C1 is connected with digital ground;
the other end of the capacitor C2 is respectively connected with one ends of resistors R1, R3, R4, R5 and R7; the other ends of the resistors R1, R3, R4 and R5 are connected in parallel, and the other ends of the parallel connection are respectively connected with one ends of the diodes D6A and D6;
the other ends of the diodes D6A and D6 are respectively connected with the second end of the transformer T1;
the other end of the resistor R6 is connected with the other end of the resistor R7;
The sixth end of the transformer T1 is connected with one end of a resistor R22, the seventh end and the eighth end are grounded, and the ninth end is respectively connected with one end of a resistor R17 and the emitter of a triode Q2;
the other end of the resistor R17 is connected with one end of the capacitor C6;
the base electrode of the triode Q2 is connected with one end of a resistor R19, and the collector electrode of the triode Q2, the other end of a capacitor C6, one ends of capacitors C7, C8, C9 and C31, one end of a diode D8, one ends of resistors R26 and R25 and one ends of switches S1 and SW2 are respectively connected with a power supply V+;
the other end of the resistor RS12 is connected with a signal GND1;
the other end of the resistor RS13 is connected with a signal GND1;
the synchronous rectification control chip U2 comprises six pins, wherein a first pin of the six pins is connected with the other end of the resistor R19, a second pin of the six pins is respectively connected with a sixth pin of the six pins, a ninth end of the transformer T1 and one end of the capacitor C12, a third pin of the six pins is respectively connected with the other end of the capacitor C12 and one end of the diode D7, and a fourth pin of the six pins is connected with the other end of the resistor R25;
the other end of the diode D7 is connected with the other end of the resistor R22;
the other end of the switch S1 is connected with one end of a resistor R024A;
the other end of the resistor R024A is connected with a signal SW1;
One end of the resistor R040 is connected with the signal SW1, and the other end of the resistor R040 is connected with one end of the light-emitting diode LED 1;
the other end of the light emitting diode LED1 is grounded
The other end of the switch SW2 is connected with one end of a resistor R23, and the other end of the resistor R23 is respectively connected with one end of a diode IC2-A connected in parallel with a resistor R27;
the other end of the diode IC2-A connected in parallel with the resistor R27 is respectively connected with one end of the diode IC3, one end of the capacitor C11 and the overcurrent protection module;
the second end of the diode IC3 is connected with the current control module, and the third end of the diode IC3 is grounded;
the other end of the capacitor C11 is connected with one end of a resistor R28, the other end of the resistor R28 is respectively connected with one ends of resistors R67 and R24, and the connection part of the resistors R28, R67 and R24 is also connected with a current control module;
the other ends of the power supply V-, the resistor R24, the capacitors C7, C8, C9 and CY2, the other end of the diode D8, one ends of the resistors RS12 and RS13 and the other end of the light-emitting diode LED1 are grounded;
the other end of the resistor R67 is connected with the other end of the resistor R26 and the other end of the capacitor C31 respectively.
Further, the synchronous rectification control chip U2 is an SOP-8 chip.
Further, the capacitors C1, C5, C7, C8, C9 and C12 are capacitors having polarity;
The capacitors C1 and C5 represent that one end of the negative electrode is grounded;
the capacitors C7, C8 and C9 represent that one end of the negative electrode is grounded digitally;
and one end of the capacitor C12 represents the positive electrode and is connected with a third pin of the synchronous rectification control chip U2.
Further, the overcurrent protection module comprises overcurrent protection chips U7-A and U7-8, 13 resistors R54-R66, 6 capacitors C025-C030, diodes U8, D3, D10 and D13, a signal VREF and a power supply V+;
the overcurrent protection chips U7-A and U7-8 comprise eight pins;
the first pin of the overcurrent protection chip U7-A is respectively connected with one end of the diode D3 and one end of the capacitor C026, the second pin is connected with one end of the resistor R59 and one end of the resistor R54, the third pin is connected with one end of the resistor R55, the fourth pin is grounded, and the eighth pin is respectively connected with one end of the capacitor C030 and one end of the diode D10;
the other end of the diode D3 is connected with a voltage control module;
the other end of the capacitor C026 is connected with the other end of the resistor R59;
the other end of the resistor R54 is respectively connected with one end of the capacitor C025 and one end of the resistor R58;
by a means of
One end of the resistor R55 is respectively connected with one end of the resistor R56 and one end of the resistor R57
The other end of the resistor R57 is connected with a signal source VREF1;
The other end of the diode D10 is connected with a power supply V+;
the fifth pin of the overcurrent protection chip U7-B is connected with one end of a resistor R61, the sixth pin is connected with one end of a resistor R65 and one end of a resistor R60, and the seventh pin is respectively connected with one end of a diode D13 and one end of a capacitor C028;
the other end of the resistor R61 is respectively connected with one end of the resistor R62 and one end of the resistor R63;
the other end of the resistor R63 is connected with a signal source VREF1;
one end of the resistor R65 is connected with the other end of the capacitor C028;
one end of the resistor R60 is respectively connected with one end of the capacitor C027 and one end of the resistor R64;
the other end of the diode D13 is connected with a voltage control module;
the power supply V+ is connected with one end of a resistor R66, and the other end of the resistor R66 is respectively connected with the first end of a diode U8, one end of a capacitor C029 and a signal VREF1;
the second end of the diode U8 is connected with a signal VREF1;
the other ends of the resistors R56, R58 and R62, the third end of the diode U8 and the other ends of the capacitors C025, C027, C029 and C030 are all grounded.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the identification module for identifying the external components, the current control module for stabilizing and controlling the circuit, the voltage control module for stabilizing and controlling the circuit and the overcurrent protection module for detecting the current of the circuit to prevent the overcurrent of the circuit, the charging effects of automatic detection, charging, power failure and the like can be realized, the circuit voltage and the current are controlled, and meanwhile, the overcurrent protection module has the overcurrent function, so that the output stability of the circuit is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a block diagram of a mobile phone charger circuit according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of an identification module according to an embodiment of the invention;
FIG. 3 is a circuit diagram of a current control module according to an embodiment of the invention;
FIG. 4 is a circuit diagram of a voltage control module according to an embodiment of the invention;
fig. 5 is a circuit diagram of an overcurrent protection module according to an embodiment of the invention.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present invention with reference to the accompanying drawings.
In some of the flows described in the specification and claims of the present invention and in the foregoing figures, a plurality of operations occurring in a particular order are included, but it should be understood that the operations may be performed out of order or performed in parallel, with the order of operations such as 101, 102, etc., being merely used to distinguish between the various operations, the order of the operations themselves not representing any order of execution. In addition, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first" and "second" herein are used to distinguish different messages, devices, modules, etc., and do not represent a sequence, and are not limited to the "first" and the "second" being different types.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Examples
As shown in fig. 1, a mobile phone charger according to an embodiment of the present invention includes an identification module 101, a current control module 102 connected to the identification module 101, a voltage control module 103 connected to the current control module 102, and an over-current protection module 104 connected to the voltage control module 103:
The identification module 101 is used for identifying external components through the GL888F chip;
the identification module 101 comprises at least one identification unit;
the identification unit comprises a GL888F chip, a plug-in USB, resistors RS1A, R044A and RS01A, capacitors CS11A, CS A and C013A, triodes QS1A, R029A and signals C01A and C01CA;
the GL888F chip comprises five pins, namely a first pin, a second pin, a third pin, a fourth pin and a fifth pin;
the plug-in USB comprises four pins, namely a first pin, a second pin, a third pin and a fourth pin;
when the number of the identification units is not less than two, the identification units are connected in series through a fourth pin of the plug-in USB;
the first pin of the plug-in USB is respectively connected with one end of the capacitor CS11A and the collector of the triode QS1A, the second pin is connected with the fourth pin of the first GL888F chip, the third pin is connected with the fifth pin of the first GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS1A and the other end of the capacitor CS 11A;
the first pin and the third pin of the GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS1A and the other end of a resistor RS1A, and the second pin is grounded;
the base electrode of QS1A of the triode is connected with one end of a resistor R029A, the other end of the resistor R029A is connected with a signal C01A, the emitter is respectively connected with one end of a resistor R044A and one end of a resistor RS01A, the other end of the resistor R044A is connected with a signal C01CA, and the signal C01CA is also connected with one end of a capacitor C013A;
The other ends of the capacitors C013A and CS1A and the other end of the resistor RS01A are grounded;
as shown in the figure 2 of the drawings, the identification module 101 includes a first GL888F chip, a second GL888F chip, a third GL888F chip, a fourth GL888F chip, a fifth GL888F chip, a sixth GL888F chip, a seventh GL888F chip, an eighth GL888F chip, a ninth GL888F chip, a tenth GL888F chip, a plug-in USB1, USB2, USB3, USB4, USB5, USB6, USB7, USB8, USB9, and USB10, resistors 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, RS. RS05, RS06, RS07, RS08, RS09, RS10 and RS11, capacitances 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, diodes U3, U5, R002, R005, D001 and D002, triodes QS1, QS2, QS3, QS4, QS5, QS6, QS7, QS8, QS9 and QS10, signals A1, A2, A01A, B, B1B, B01, B01B, C, C1 5601, C01C, D1, D01, D1D, D, E01, E35 01, E1 and E1;
The first GL888F chip, the second GL888F chip, the third GL888F chip, the fourth GL888F chip, the fifth GL888F chip, the sixth GL888F chip, the seventh GL888F chip, the eighth GL888F chip, the ninth GL888F chip and the tenth GL888F chip all comprise five pins which are a first pin, a second pin, a third pin, a fourth pin and a fifth pin respectively;
the plug-in units USB1, USB2, USB3, USB4, USB5, USB6, USB7, USB8, USB9 and USB10 comprise four pins which are respectively a first pin, a second pin, a third pin and a fourth pin, and the ten fourth pins are all connected;
the first pin of the plug-in USB1 is respectively connected with one end of the capacitor CS11 and the collector of the triode QS1, the second pin is connected with the fourth pin of the first GL888F chip, the third pin is connected with the fifth pin of the first GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS1 and the other end of the capacitor CS 11;
the first pin and the third pin of the first GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS1 and the other end of a resistor RS1, and the second pin is grounded;
the other end of the capacitor CS1 is grounded;
the base of QS1 of triode connects one end of resistance R029, the other end of resistance R029 connects signal C01, the emitter connects one end of resistance R044 and one end of RS01 separately, the other end of resistance R044 connects signal C01C, signal C01C also connects one end of the electric capacity C013, the other end of electric capacity C013 and another end of resistance RS01 are all grounded;
The first pin of the plug-in USB2 is respectively connected with one end of the capacitor CS12 and the collector of the triode QS2, the second pin is connected with the fourth pin of the second GL888F chip, the third pin is connected with the fifth pin of the second GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS2 and the other end of the capacitor CS 12;
the first pin and the third pin of the second GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS2 and the other end of a resistor RS2, and the second pin is grounded;
the other end of the capacitor CS2 is grounded;
the base electrode of QS2 of the triode is connected with one end of a resistor R030, the other end of the resistor R030 is connected with a signal B01, the emitter electrode is respectively connected with one end of a resistor R045 and one end of a resistor RS02, the other end of the resistor R045 is connected with a signal B01B, the signal B01B is also connected with one end of a capacitor C014, and the other end of the capacitor C014 and the other end of the resistor RS02 are grounded;
the first pin of the plug-in USB3 is respectively connected with one end of the capacitor CS13 and the collector of the triode QS3, the second pin is connected with the fourth pin of the third GL888F chip, the third pin is connected with the fifth pin of the first GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS3 and the other end of the capacitor CS 13;
The first pin and the third pin of the third GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS3 and the other end of a resistor RS3, and the second pin is grounded;
the other end of the capacitor CS3 is grounded;
the base electrode of QS3 of the triode is connected with one end of a resistor R031, the other end of the resistor R031 is connected with a signal A01, the emitter is respectively connected with one end of a resistor R046 and one end of a resistor RS03, the other end of the resistor R046 is connected with a signal A01A, the signal A01A is also connected with one end of a capacitor C015, and the other end of the capacitor C015 and the other end of the resistor RS03 are grounded;
the first pin of the plug-in USB4 is respectively connected with one end of the capacitor CS14 and the collector of the triode QS4, the second pin is connected with the fourth pin of the fourth GL888F chip, the third pin is connected with the fifth pin of the fourth GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS4 and the other end of the capacitor CS 14;
the first pin and the third pin of the fourth GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS4 and the other end of a resistor RS4, and the second pin is grounded;
the other end of the capacitor CS4 is grounded;
the base electrode of QS4 of the triode is connected with one end of a resistor R032, the other end of the resistor R032 is connected with a signal D01, the emitter is respectively connected with one end of a resistor R047 and one end of a resistor RS04, the other end of the resistor R047 is connected with a signal D01D, the signal D01D is also connected with one end of a capacitor C016, and the other end of the capacitor C016 and the other end of the resistor RS04 are grounded;
The first pin of the plug-in USB5 is respectively connected with one end of the capacitor CS15 and the collector of the triode QS5, the second pin is connected with the fourth pin of the fifth GL888F chip, the third pin is connected with the fifth pin of the fifth GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS5 and the other end of the capacitor CS 15;
the first pin and the third pin of the fifth GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS5 and the other end of a resistor RS5, and the second pin is grounded;
the other end of the capacitor CS5 is grounded;
the base electrode of QS5 of the triode is connected with one end of a resistor R033, the other end of the resistor R033 is connected with a signal E01, the emitter is respectively connected with one end of a resistor R048 and one end of a resistor RS05, the other end of the resistor R048 is connected with a signal E01E, the signal E01E is also connected with one end of a capacitor C017, and the other end of the capacitor C017 and the other end of the resistor RS05 are grounded;
the first pin of the plug-in USB6 is respectively connected with one end of the capacitor CS16 and the collector of the triode QS6, the second pin is connected with the fourth pin of the sixth GL888F chip, the third pin is connected with the fifth pin of the sixth GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS6 and the other end of the capacitor CS 16;
The first pin and the third pin of the sixth GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS6 and the other end of a resistor RS6, and the second pin is grounded;
the other end of the capacitor CS6 is grounded;
the base electrode of QS6 of the triode is connected with one end of a resistor R034, the other end of the resistor R034 is connected with a signal A1, the emitter is respectively connected with one end of a resistor R049 and one end of a resistor RS06, the other end of the resistor R049 is connected with a signal A2, the signal A2 is also connected with one end of a capacitor C018, and the other end of the capacitor C018 and the other end of the resistor RS06 are grounded;
the first pin of the plug-in USB7 is respectively connected with one end of the capacitor CS17 and the collector of the triode QS7, the second pin is connected with the fourth pin of the seventh GL888F chip, the third pin is connected with the fifth pin of the seventh GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS7 and the other end of the capacitor CS 17;
the first pin and the third pin of the seventh GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS7 and the other end of a resistor RS7, and the second pin is grounded;
the other end of the capacitor CS7 is grounded;
the base electrode of QS7 of the triode is connected with one end of a resistor R035, the other end of the resistor R035 is connected with a signal B1, the emitter is respectively connected with one end of a resistor R050 and one end of a resistor RS07, the other end of the resistor R050 is connected with a signal B1B, the signal B1B is also connected with one end of a capacitor C020, and the other end of the capacitor C020 and the other end of the resistor RS07 are grounded;
The first pin of the plug-in USB8 is respectively connected with one end of the capacitor CS18 and the collector of the triode QS1, the second pin is connected with the fourth pin of the eighth GL888F chip, the third pin is connected with the fifth pin of the eighth GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS8 and the other end of the capacitor CS 18;
the first pin and the third pin of the eighth GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS8 and the other end of a resistor RS8, and the second pin is grounded;
the other end of the capacitor CS8 is grounded;
the base electrode of QS8 of the triode is connected with one end of a resistor R037, the other end of the resistor R037 is connected with a signal E1, the emitter is respectively connected with one end of a resistor R051 and one end of a resistor RS08, the other end of the resistor R051 is connected with a signal E1E, the signal E1E is also connected with one end of a capacitor C020, and the other end of the capacitor C021 and the other end of the resistor RS08 are grounded;
the first pin of the plug-in USB9 is respectively connected with one end of a capacitor CS19 and the collector of a triode QS9, the second pin is connected with the fourth pin of a ninth GL888F chip, the third pin is connected with the fifth pin of the ninth GL888F chip, and the fourth pin is also respectively connected with one end of a resistor RS1 and the other end of the capacitor CS 19;
The first pin and the third pin of the ninth GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS9 and the other end of a resistor RS9, and the second pin is grounded;
the other end of the capacitor CS9 is grounded;
the base electrode of QS9 of the triode is connected with one end of a resistor R038, the other end of the resistor R038 is connected with a signal D1, the emitter is respectively connected with one end of a resistor R052 and one end of a resistor RS09, the other end of the resistor R052 is connected with a signal D1D, the signal D1D is also connected with one end of a capacitor C023, and the other end of the capacitor C023 and the other end of the resistor RS09 are grounded;
the first pin of the plug-in USB10 is respectively connected with one end of the capacitor CS20 and the collector of the triode QS10, the second pin is connected with the fourth pin of the tenth GL888F chip, the third pin is connected with the fifth pin of the tenth GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS10 and the other end of the capacitor CS 20;
the first pin and the third pin of the tenth GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS10 and the other end of a resistor RS10, and the second pin is grounded;
the other end of the capacitor CS10 is grounded;
the base of QS10 of triode connects resistance R039's one end, and signal C1 is connected to resistance R039's the other end, and the one end of resistance R053 and one end of RS11 are connected respectively to the projecting pole, and signal C1C is connected to resistance R053's the other end, and one end of electric capacity C024 is still connected to signal C1C, and the other end of electric capacity C024 and the other end of resistance RS11 all ground connection.
The current control module 102 is used for performing current stabilizing control on the circuit through the singlechip;
as shown in fig. 3, the current control module 102 includes a first single-chip microcomputer, a second single-chip microcomputer, resistors R002, R003, R004, R006, R007, R008, R009, R010, R011, R036, R043, R0426, capacitors C001, C002, C003, C004, C005, diodes U3, U5, D002, R001, R002, R005, triode QS11, signals A1, A2, a01A, B1, B1B, B01, B01B, C1, C1C, C01, C01C, D1, D01, D1D, D01D, E01, E01E, E1, E1E, and a power source v+;
the first singlechip and the second singlechip both comprise 16 pins;
the first pin of the first singlechip is connected with a signal E1, the second pin is respectively connected with one end of a resistor R036 and one end of a resistor R041, the fourth pin is connected with a signal D1D, the fifth pin is connected with a signal E1E, the sixth pin is connected with a signal A1A, the seventh pin is connected with a signal B1B, the eighth pin is connected with a signal C1C, the ninth pin is respectively connected with one end of the resistor R007, one end of the resistor R006, one end of a capacitor C004 and one end of a diode U5, the tenth pin is connected with a signal A1, the eleventh pin is connected with one end of a diode R005, one end of a capacitor C003 and the other end of the resistor R006, the thirteenth pin is grounded, the fourteenth pin is connected with a signal C1, and the sixteenth pin is connected with one end of the diode D001;
The other end of the diode D001 is respectively connected with one end of the diode D002 and one end of a resistor R011, and the other end of the resistor R011 is respectively connected with the base electrode of a triode QS11, one end of the resistor R010 and one end of a capacitor C005;
the collector of the triode QS11 is connected with one end of a resistor R009;
the other end of the resistor R009 is connected with a voltage control module;
the other end of the resistor R036 is connected with the other end of the resistor R0426; the other end of the resistor R007 is respectively connected with one end of the resistor R008 and the second end of the diode U5;
the other end of the diode R005 is connected with a power supply V+;
the first pin of the second singlechip is connected with a signal E01, the second pin is respectively connected with one end of a resistor R0426 and one end of a resistor R043, the fourth pin is connected with a signal D01D, the fifth pin is connected with a signal E01E, the sixth pin is connected with a signal A01A, the seventh pin is connected with a signal B01B, the eighth pin is connected with a signal C1C, the ninth pin is respectively connected with one end of a resistor R002, one end of a resistor R003, one end of a capacitor C002 and one end of a diode U3, the tenth pin is connected with a signal A01, the eleventh pin is connected with a signal B01, the twelfth pin is respectively connected with one end of a diode R002, one end of a capacitor C002 and the other end of the resistor R002, the thirteenth pin is grounded, the fourteenth pin is connected with a signal C01, and the sixteenth pin is connected with the other end of the diode D002;
The other end of the resistor R003 is connected with one end of the resistor R004;
the other end of the diode R002 is respectively connected with one end of the diode R001 and one end of the capacitor C001;
the other ends of the capacitors C001, C002, C003, C004 and C005, the other ends of the resistors R004, R041, R043, R008 and R010, the emitter of the triode QS11 and the third ends of the diodes U3 and U5 are respectively grounded;
the other end of the diode R001 is connected with a power supply V+.
The model of the first singlechip and the second singlechip are MC96F8208.
The voltage control module 103 is used for performing voltage stabilizing control on the circuit through a synchronous rectification control chip;
as shown in FIG. 4, the voltage control module 103 includes synchronous rectification control chips U2, resistors 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, R, R26, R040, R67, RS12 and RS13, capacitors CX1, CY2, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C19, C22 and C31, diodes D1, D2, D4, D5, BD1, D6A, D, D7, D8, IC3 and IC2-A, bridge rectifier diode BD1, inductors LF1 and LF2, transistors Q1 and Q2, and C2-B, and a transformer of V1 and V1+V 1
The synchronous rectification control chip U2 comprises eight pins, wherein the first pin is connected with one end of a capacitor C4, the second pin is respectively connected with a collector of a triode IC2-B and one end of a capacitor C3, the third pin is respectively connected with one end of a capacitor C19 and one end of a resistor R21, the fourth pin is connected with digital ground, the fifth pin is respectively connected with one end of a diode D5 and one end of a resistor R13, the sixth pin is respectively connected with one end of a capacitor C10 and one end of a resistor R16, and the eighth pin is connected with one end of a resistor R18;
the other end of the diode D5 is connected with one end of the resistor R14;
the other end of the resistor R13, the other end of the resistor R14, one end of the resistor R15 and one end of the triode Q1;
the other end of the resistor R15 is respectively connected with the other end of the resistor R21, one end of the resistor R20, one end of the resistor R10, one end of the resistor R11, one end of the resistor R12 and the second end of the triode Q1;
the third end of the triode Q1 is connected with the second end of the transformer T1;
the other end of the capacitor C4, the emitter of the triode IC2-B, the other end of the capacitor C3, the other end of the capacitor C19, the other end of the resistor R20, the other end of the resistor R10, the other end of the resistor R11 and the other end of the resistor R12 are respectively grounded digitally;
The other end of the resistor R16 is respectively connected with one end of the capacitor C22, one end of the diode D4 and one end of the capacitor C5; the other end of the capacitor C10 and the other end of the capacitor C5 are connected with digital ground;
the other end of the capacitor C22 and the other end of the diode D4 are respectively connected with one end of a resistor R9, and the other end of the resistor R9 is connected with the fourth end of the transformer T1;
one end of the resistor R18 is connected with one end of the resistor R8, and the other end of the resistor R8 is respectively connected with one ends of the diodes D1 and D2;
the other end of the diode D1 is respectively connected with the first end of the bridge rectifier diode BD1 and the first end of the inductance coil LF 2;
the other end of the diode D2 is respectively connected with the third end of the bridge rectifier diode BD1 and the second end of the inductance coil LF 2;
the third end of the inductance coil LF2 is respectively connected with one end of the capacitance CX1 and the first end of the inductance coil LF1, and the fourth end is respectively connected with the other end of the capacitance CX1 and the fourth end of the inductance coil LF 1;
a second end of the inductance coil LF1 is connected with a zero line of an external circuit, and a third end of the inductance coil LF1 is connected with one end of the fuse F1; the other end of the fuse F1 is connected with a live wire of an external circuit;
the second end of the bridge rectifier diode BD1 is respectively connected with one end of the capacitors CY2, C1 and C2, one end of the resistor R6 and the first end of the transformer T1, the fourth end is connected with digital ground,
The other end of the capacitor C1 is connected with digital ground;
the other end of the capacitor C2 is respectively connected with one end of the resistor R1, R3, R4, R5 and R7; the other ends of the resistors R1, R3, R4 and R5 are connected in parallel, and the other ends of the parallel connection are respectively connected with one ends of the diodes D6A and D6;
the other ends of the diodes D6A and D6 are respectively connected with the second end of the transformer T1;
the other end of the resistor R6 is connected with the other end of the resistor R7;
the sixth end of the transformer T1 is connected with one end of a resistor R22, the seventh end and the eighth end are grounded, and the ninth end is respectively connected with one end of a resistor R17 and the emitter of a triode Q2;
the other end of the resistor R17 is connected with one end of the capacitor C6;
the base electrode of the triode Q2 is connected with one end of a resistor R19, and the collector electrode of the triode Q2, the other end of a capacitor C6, one ends of capacitors C7, C8, C9 and C31, one end of a diode D8, one ends of resistors R26 and R25 and one ends of switches S1 and SW2 are respectively connected with a power supply V+;
the other end of the resistor RS12 is connected with the signal GND1;
the other end of the resistor RS13 is connected with the signal GND1;
the synchronous rectification control chip U2 comprises six pins, wherein the first pin is connected with the other end of the resistor R19, the second pin is respectively connected with the sixth pin, the ninth end of the transformer T1 and one end of the capacitor C12, the third pin is respectively connected with the other end of the capacitor C12 and one end of the diode D7, and the fourth pin is connected with the other end of the resistor R25;
The other end of the diode D7 is connected with the other end of the resistor R22;
the other end of the switch S1 is connected with one end of a resistor R024A;
the other end of the resistor R024A is connected with a signal SW1;
one end of the resistor R040 is connected with the signal SW1, and the other end of the resistor R040 is connected with one end of the light-emitting diode LED 1;
the other ends of the power supply V-, the resistor R24, the capacitors C7, C8, C9 and CY2, the other end of the diode D8, one ends of the resistors RS12 and RS13 and the other end of the light-emitting diode LED1 are grounded;
the other end of the switch SW2 is connected with one end of a resistor R23, and the other end of the resistor R23 is respectively connected with one end of a diode IC2-A connected in parallel with a resistor R27;
the other end of the parallel connection of the diode IC2-A and the resistor R27 is respectively connected with one end of the diode IC3, one end of the capacitor C11 and the overcurrent protection module;
the second end of the diode IC3 is connected with the current control module, and the third end of the diode IC is grounded;
the other end of the capacitor C11 is connected with one end of a resistor R28, the other end of the resistor R28 is respectively connected with one ends of resistors R67 and R24, and the connection part of the resistors R28, R67 and R24 is also connected with a current control module;
the other end of the resistor R24 is grounded;
the other end of the resistor R67 is connected to the other end of the resistor R26 and the other end of the capacitor C31, respectively.
The synchronous rectification control chip U2 is an SOP-8 chip.
The capacitors C1, C5, C7, C8, C9 and C12 are capacitors with polarity;
capacitors C1 and C5 represent that one end of the negative electrode is grounded;
capacitors C7, C8 and C9 represent that one end of the negative electrode is grounded digitally;
one end of the capacitor C12 represents the positive electrode and is connected with a third pin of the synchronous rectification control chip U2.
The overcurrent protection module 104 is used for detecting the current of the circuit through an overcurrent protection chip to prevent the circuit from overcurrent;
as shown in fig. 5, the overcurrent protection module 104 includes overcurrent protection chips U7-a and U7-8, resistors R54, R55, R56, R57, R58, R59, R60, R61, R62, R63, R64, R65, and R66, capacitors C025, C026, C027, C028, C029, and C030, diodes U8, D3, D10, and D13, a signal VREF, and a power v+;
the overcurrent protection chips U7-A and U7-8 comprise eight pins;
the first pin of the overcurrent protection chip U7-A is respectively connected with one end of the diode D3 and one end of the capacitor C026, the second pin is connected with one end of the resistor R59 and one end of the resistor R54, the third pin is connected with one end of the resistor R55, the fourth pin is grounded, and the eighth pin is respectively connected with one end of the capacitor C030 and one end of the diode D10;
the other end of the diode D3 is connected with a voltage control module;
the other end of the capacitor C026 is connected with the other end of the resistor R59;
The other end of the resistor R54 is respectively connected with one end of the capacitor C025 and one end of the resistor R58;
one end of the resistor R55 is connected with one end of the resistor R56 and one end of the resistor R57 respectively
The other end of the resistor R57 is connected with a signal source VREF1;
the other end of the diode D10 is connected with a power supply V+;
the fifth pin of the overcurrent protection chip U7-B is connected with one end of a resistor R61, the sixth pin is connected with one end of a resistor R65 and one end of a resistor R60, and the seventh pin is respectively connected with one end of a diode D13 and one end of a capacitor C028;
the other end of the resistor R61 is respectively connected with one end of the resistor R62 and one end of the resistor R63;
the other end of the resistor R63 is connected with a signal source VREF1;
one end of the resistor R65 is connected with the other end of the capacitor C028;
one end of the resistor R60 is respectively connected with one end of the capacitor C027 and one end of the resistor R64;
the other end of the diode D13 is connected with a voltage control module;
the power supply V+ is connected with one end of the resistor R66, and the other end of the resistor R66 is respectively connected with the first end of the diode U8, one end of the capacitor C029 and the signal VREF1;
the second end of the diode U8 is connected with a signal VREF1;
the other ends of the resistors R56, R58, and R62, the third end of the diode U8, and the other ends of the capacitors C025, C027, C029, and C030 are all grounded.
The foregoing is only a partial embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The mobile phone charger is characterized by comprising an identification module, a current control module connected with the identification module, a voltage control module connected with the current control module and an overcurrent protection module connected with the voltage control module:
the identification module is used for identifying external components through the GL888F chip;
the current control module is used for performing current stabilizing control on the circuit through the singlechip;
the voltage control module is used for performing voltage stabilizing control on the circuit through the synchronous rectification control chip;
the overcurrent protection module is used for detecting the current of the circuit through an overcurrent protection chip so as to prevent the circuit from overcurrent;
wherein the identification module comprises at least one identification unit;
the identification unit comprises a GL888F chip, a plug-in USB, resistors RS1A, R044A and RS01A, capacitors CS11A, CS A and C013A, triodes QS1A, R029A and signals C01A and C01CA;
the GL888F chip comprises five pins, namely a first pin, a second pin, a third pin, a fourth pin and a fifth pin;
the plug-in USB comprises four pins, namely a first pin, a second pin, a third pin and a fourth pin;
when the number of the identification units is not less than two, the identification units are connected in series through a fourth pin of the plug-in USB;
The first pin of the plug-in USB is respectively connected with one end of the capacitor CS11A and the collector of the triode QS1A, the second pin is connected with the fourth pin of the first GL888F chip, the third pin is connected with the fifth pin of the first GL888F chip, and the fourth pin is also respectively connected with one end of the resistor RS1A and the other end of the capacitor CS 11A;
the first pin and the third pin of the GL888F chip are connected in parallel, the other end of the parallel connection is respectively connected with one end of a capacitor CS1A and the other end of a resistor RS1A, and the second pin is grounded;
the base electrode of QS1A of the triode is connected with one end of a resistor R029A, the other end of the resistor R029A is connected with a signal C01A, the emitter is respectively connected with one end of a resistor R044A and one end of a resistor RS01A, the other end of the resistor R044A is connected with a signal C01CA, and the signal C01CA is also connected with one end of a capacitor C013A;
the other ends of the capacitors C013A and CS1A and the other end of the resistor RS01A are grounded.
2. The mobile phone charger according to claim 1, wherein the current control module comprises a first single-chip microcomputer, a second single-chip microcomputer, 12 resistors R002-R011, R036, R043, R0426, 5 capacitors C001-C005, diodes U3, U5, D002, R001, R002, R005, a transistor QS11, A1A, A2, a01A, B1, B1B, B01, B01B, C1, C1C, C01, C01C, D1, D01, D1D, D01D, E01, E01E, E1, E1E, and a power source v+;
The first singlechip and the second singlechip both comprise 16 pins;
the first pin of the first singlechip is connected with a signal E1, the second pin is respectively connected with one end of a resistor R036 and one end of a resistor R041, the fourth pin is connected with a signal D1D, the fifth pin is connected with a signal E1E, the sixth pin is connected with a signal A1A, the seventh pin is connected with a signal B1B, the eighth pin is connected with a signal C1C, the ninth pin is respectively connected with one end of the resistor R007, one end of a resistor R006, one end of a capacitor C004 and one end of a diode U5, the tenth pin is connected with a signal A1, the eleventh pin is connected with a signal B1, the twelfth pin is respectively connected with one end of a diode R005, one end of a capacitor C003 and the other end of the resistor R006, the thirteenth pin is grounded, the fourteenth pin is connected with a signal C1, and the sixteenth pin is connected with one end of the diode D001;
the other end of the diode D001 is respectively connected with one end of the diode D002 and one end of the resistor R011, and the other end of the resistor R011 is respectively connected with the base electrode of the triode QS11, one end of the resistor R010 and one end of the capacitor C005;
the collector electrode of the triode QS11 is connected with one end of a resistor R009;
The other end of the resistor R009 is connected with a voltage control module;
the other end of the resistor R036 is connected with the other end of the resistor R0426; the other end of the resistor R007 is respectively connected with one end of the resistor R008 and the second end of the diode U5;
the other end of the diode R005 is connected with a power supply V+;
the first pin of the second singlechip is connected with a signal E01, the second pin is respectively connected with one end of a resistor R0426 and one end of a resistor R043, the fourth pin is connected with a signal D01D, the fifth pin is connected with a signal E01E, the sixth pin is connected with a signal A01A, the seventh pin is connected with a signal B01B, the eighth pin is connected with a signal C1C, the ninth pin is respectively connected with one end of a resistor R002, one end of a resistor R003, one end of a capacitor C002 and one end of a diode U3, the tenth pin is connected with a signal A01, the eleventh pin is connected with a signal B01, the twelfth pin is respectively connected with one end of a diode R002 and the other end of the resistor R002, the thirteenth pin is grounded, the fourteenth pin is connected with a signal C01, the fifteenth pin is connected with a signal D01, and the sixteenth pin is connected with the other end of the diode D002;
the other end of the resistor R003 is connected with one end of the resistor R004;
The other end of the diode R002 is respectively connected with one end of the diode R001 and one end of the capacitor C001;
the other ends of the capacitors C001, C002, C003, C004 and C005, the other ends of the resistors R004, R041, R043, R008 and R010, the emitter of the triode QS11 and the third ends of the diodes U3 and U5 are respectively grounded;
the other end of the diode R001 is connected with a power supply V+.
3. The mobile phone charger of claim 2, wherein the first and second singlechips are each of the type MC96F8208.
4. The mobile phone charger according to claim 1, wherein the voltage control module comprises a synchronous rectification control chip U2, 34 resistors R1, R3-R28, R024A, R040, R67, RS12 and RS13, 17 capacitors CX1, CY2, C1-C12, C19, C22 and C31, diodes D1, D2, D4, D5, BD1, D6A, D, D7, D8, IC3 and IC2-A, a bridge rectifier diode BD1, inductors LF1 and LF2, triodes Q1, Q2 and IC2-B, a fuse F1, a transformer T1, power sources V+ and V-
The synchronous rectification control chip U2 comprises eight pins, wherein the first pin is connected with one end of a capacitor C4, the second pin is respectively connected with a collector of a triode IC2-B and one end of a capacitor C3, the third pin is respectively connected with one end of a capacitor C19 and one end of a resistor R21, the fourth pin is grounded digitally, the fifth pin is respectively connected with one end of a diode D5 and one end of a resistor R13, the sixth pin is respectively connected with one end of a capacitor C10 and one end of a resistor R16, and the eighth pin is connected with one end of a resistor R18;
The other end of the diode D5 is connected with one end of a resistor R14;
the other end of the resistor R13, the other end of the resistor R14, one end of the resistor R15 and one end of the triode Q1;
the other end of the resistor R15 is respectively connected with the other end of the resistor R21, one end of the resistor R20, one end of the resistor R10, one end of the resistor R11, one end of the resistor R12 and the second end of the triode Q1;
the third end of the triode Q1 is connected with the second end of the transformer T1;
the other end of the capacitor C4, the emitter of the triode IC2-B, the other end of the capacitor C3, the other end of the capacitor C19, the other end of the resistor R20, the other end of the resistor R10, the other end of the resistor R11 and the other end of the resistor R12 are respectively grounded digitally;
the other end of the resistor R16 is respectively connected with one end of the capacitor C22, one end of the diode D4 and one end of the capacitor C5; the other end of the capacitor C10 and the other end of the capacitor C5 are connected with digital ground;
the other end of the capacitor C22 and the other end of the diode D4 are respectively connected with one end of a resistor R9, and the other end of the resistor R9 is connected with the fourth end of the transformer T1;
one end of the resistor R18 is connected with one end of the resistor R8, and the other end of the resistor R8 is respectively connected with one ends of the diodes D1 and D2;
The other end of the diode D1 is respectively connected with the first end of the bridge rectifier diode BD1 and the first end of the inductance coil LF 2;
the other end of the diode D2 is respectively connected with the third end of the bridge rectifier diode BD1 and the second end of the inductance coil LF 2;
the third end of the inductance coil LF2 is respectively connected with one end of the capacitance CX1 and the first end of the inductance coil LF1, and the fourth end is respectively connected with the other end of the capacitance CX1 and the fourth end of the inductance coil LF 1;
a second end of the inductance coil LF1 is connected with a zero line of an external circuit, and a third end of the inductance coil LF1 is connected with one end of the fuse F1; the other end of the fuse F1 is connected with a live wire of an external circuit;
the second end of the bridge rectifier diode BD1 is respectively connected with one end of the capacitors CY2, C1 and C2, one end of the resistor R6 and the first end of the transformer T1, the fourth end is connected with digital ground,
the other end of the capacitor C1 is connected with digital ground;
the other end of the capacitor C2 is respectively connected with one ends of resistors R1, R3, R4, R5 and R7; the other ends of the resistors R1, R3, R4 and R5 are connected in parallel, and the other ends of the parallel connection are respectively connected with one ends of the diodes D6A and D6;
the other ends of the diodes D6A and D6 are respectively connected with the second end of the transformer T1;
the other end of the resistor R6 is connected with the other end of the resistor R7;
The sixth end of the transformer T1 is connected with one end of a resistor R22, the seventh end and the eighth end are grounded, and the ninth end is respectively connected with one end of a resistor R17 and the emitter of a triode Q2;
the other end of the resistor R17 is connected with one end of the capacitor C6;
the base electrode of the triode Q2 is connected with one end of a resistor R19, and the collector electrode of the triode Q2, the other end of a capacitor C6, one ends of capacitors C7, C8, C9 and C31, one end of a diode D8, one ends of resistors R26 and R25 and one ends of switches S1 and SW2 are respectively connected with a power supply V+;
the other end of the resistor RS12 is connected with a signal GND1;
the other end of the resistor RS13 is connected with a signal GND1;
the synchronous rectification control chip U2 comprises six pins, wherein a first pin of the six pins is connected with the other end of the resistor R19, a second pin of the six pins is respectively connected with a sixth pin of the six pins, a ninth end of the transformer T1 and one end of the capacitor C12, a third pin of the six pins is respectively connected with the other end of the capacitor C12 and one end of the diode D7, and a fourth pin of the six pins is connected with the other end of the resistor R25;
the other end of the diode D7 is connected with the other end of the resistor R22;
the other end of the switch S1 is connected with one end of a resistor R024A;
the other end of the resistor R024A is connected with a signal SW1;
One end of the resistor R040 is connected with the signal SW1, and the other end of the resistor R040 is connected with one end of the light-emitting diode LED 1;
the other end of the switch SW2 is connected with one end of a resistor R23, and the other end of the resistor R23 is respectively connected with one end of a diode IC2-A connected in parallel with a resistor R27;
the other end of the diode IC2-A connected in parallel with the resistor R27 is respectively connected with one end of the diode IC3, one end of the capacitor C11 and the overcurrent protection module;
the second end of the diode IC3 is connected with the current control module, and the third end of the diode IC3 is grounded;
the other end of the capacitor C11 is connected with one end of a resistor R28, the other end of the resistor R28 is respectively connected with one ends of resistors R67 and R24, and the connection part of the resistors R28, R67 and R24 is also connected with a current control module;
the other ends of the power supply V-, the resistor R24, the capacitors C7, C8, C9 and CY2, the other end of the diode D8, one ends of the resistors RS12 and RS13 and the other end of the light-emitting diode LED1 are grounded;
the other end of the resistor R67 is connected with the other end of the resistor R26 and the other end of the capacitor C31 respectively.
5. The mobile phone charger of claim 4, wherein the synchronous rectification control chip U2 is an SOP-8 chip.
6. The mobile phone charger of claim 4 wherein the capacitors C1, C5, C7, C8, C9 and C12 are polar capacitors;
The capacitors C1 and C5 represent that one end of the negative electrode is grounded;
the capacitors C7, C8 and C9 represent that one end of the negative electrode is grounded digitally;
and one end of the capacitor C12 represents the positive electrode and is connected with a third pin of the synchronous rectification control chip U2.
7. The mobile phone charger according to claim 1, wherein the over-current protection module comprises over-current protection chips U7-a and U7-8, 13 resistors R54-R66, 6 capacitors C025-C030, diodes U8, D3, D10 and D13, a signal VREF and a power supply v+;
the overcurrent protection chips U7-A and U7-8 comprise eight pins;
the first pin of the overcurrent protection chip U7-A is respectively connected with one end of the diode D3 and one end of the capacitor C026, the second pin is connected with one end of the resistor R59 and one end of the resistor R54, the third pin is connected with one end of the resistor R55, the fourth pin is grounded, and the eighth pin is respectively connected with one end of the capacitor C030 and one end of the diode D10;
the other end of the diode D3 is connected with a voltage control module;
the other end of the capacitor C026 is connected with the other end of the resistor R59;
the other end of the resistor R54 is respectively connected with one end of the capacitor C025 and one end of the resistor R58;
one end of the resistor R55 is respectively connected with one end of the resistor R56 and one end of the resistor R57
The other end of the resistor R57 is connected with a signal source VREF1;
the other end of the diode D10 is connected with a power supply V+;
the fifth pin of the overcurrent protection chip U7-B is connected with one end of a resistor R61, the sixth pin is connected with one end of a resistor R65 and one end of a resistor R60, and the seventh pin is respectively connected with one end of a diode D13 and one end of a capacitor C028;
the other end of the resistor R61 is respectively connected with one end of the resistor R62 and one end of the resistor R63;
the other end of the resistor R63 is connected with a signal source VREF1;
one end of the resistor R65 is connected with the other end of the capacitor C028;
one end of the resistor R60 is respectively connected with one end of the capacitor C027 and one end of the resistor R64;
the other end of the diode D13 is connected with a voltage control module;
the power supply V+ is connected with one end of a resistor R66, and the other end of the resistor R66 is respectively connected with the first end of a diode U8, one end of a capacitor C029 and a signal VREF1;
the second end of the diode U8 is connected with a signal VREF1;
the other ends of the resistors R56, R58 and R62, the third end of the diode U8 and the other ends of the capacitors C025, C027, C029 and C030 are all grounded.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810603106.9A CN108551195B (en) | 2018-06-12 | 2018-06-12 | Mobile phone charger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603106.9A CN108551195B (en) | 2018-06-12 | 2018-06-12 | Mobile phone charger |
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| CN108551195A CN108551195A (en) | 2018-09-18 |
| CN108551195B true CN108551195B (en) | 2024-04-05 |
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| 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 |
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| 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 |
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| CN108551195A (en) | 2018-09-18 |
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