CN207677490U - A kind of adaptive inductive charging mobile power - Google Patents
A kind of adaptive inductive charging mobile power Download PDFInfo
- Publication number
- CN207677490U CN207677490U CN201721819727.8U CN201721819727U CN207677490U CN 207677490 U CN207677490 U CN 207677490U CN 201721819727 U CN201721819727 U CN 201721819727U CN 207677490 U CN207677490 U CN 207677490U
- Authority
- CN
- China
- Prior art keywords
- module
- charging
- resistance
- input
- mcu
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of adaptive inductive charging mobile powers, including：Input module, charging and synchronous rectified boost module, MCU module, battery protection module, battery module, output module, detection module.When MCU module detects that the output voltage of input module is reduced to pre-set output voltage or less, control charging and synchronous rectified boost module, which reduce charging current, makes the output voltage of input module rise, until when MCU module detects that output voltage rises to preset voltage value, MCU module control charging and synchronous rectified boost module stop reducing charging current；When MCU module detects that the output voltage of input module increases to pre-set output voltage or more, control, which increases charging current, makes the output voltage of input module decline, until when MCU module detects that output voltage drops to preset voltage value, MCU module control stops increasing charging current；It to make external charging equipment and mobile power charge, can work normally, improve mobile power compatibility.
Description
Technical field
The utility model is related to digital product technical field of auxiliary equipment more particularly to a kind of adaptive inductive charging movement electricity
Source.
Background technology
Currently, when charging to mobile power, it is desirable to provide the charger for identifying consistent rated current on mobile power is led
The versatility for causing charger applicable is poor, charges to mobile power when using the unmatched charger of electric current, can make charger
Into constant pressure or guard mode, or even burn out charger or mobile power；When use laptop USB power source is to mobile power
When charging, excessive electric current can damage notebook USB interface or therefore the normal work of influence notebook is deposited in the prior art
In the case that charging equipment charging current with mobile power is unmatched charge to mobile power when, be easily damaged charging
Equipment or mobile power, the problem of leading to not charge normal.
Utility model content
The utility model is in order to solve the above technical problems, provide a kind of adaptive inductive charging mobile power, when external charging is set
When larger for charging current, the size of charging current is adjusted, charger and mobile power is enable to work normally.
The utility model is realized in this way the utility model first aspect provides a kind of adaptive inductive charging mobile power,
Including：Input module 10, charging and synchronous rectified boost module, MCU module, battery protection module, battery module, output mould
Block, detection module；
The input terminal of input module connects external charging equipment, the output end connection charging of input module and synchronous rectification liter
The input terminal of die block and the input terminal of detection module；The input test side connection of input module and the 9th letter of MCU module
The connection of number input terminal, the output end of detection module and the tenth signal input part of MCU module connect；
The input of the input terminal, battery protection module of the output end of charging and synchronous rectified boost module connection battery module
It holds, the energization input of the input terminal of output module, MCU module；The input of first signal of charging and synchronous rectified boost module
End is connect with the second signal output end of MCU module, second signal input terminal and the MCU moulds of charging and synchronous rectified boost module
5th signal output end of block connects；
The input terminal of battery protection module and the output end of battery module connect, the output end of battery protection module and input
The input terminal connection of the input terminal and output module of module；
The signal output end of output module and the 7th signal input part of MCU module connect, the signal input of output module
End is connect with the 6th signal output end of MCU module；
When MCU module detects that input module connects external equipment by the input test side of input module, control charging
And synchronous rectified boost module exports charging current to battery module；
When MCU module detects that the output voltage of input module is reduced to pre-set output voltage or less, control charging and
Synchronous rectified boost module, which reduces charging current, makes the output voltage of input module rise, until MCU module detects output electricity
When pressure rises to preset voltage value, MCU module control charging and synchronous rectified boost module stop reducing charging current；
When MCU module detects that the output voltage of input module increases to pre-set output voltage or more, control charging and
Synchronous rectified boost module, which increases charging current, makes the output voltage of input module decline, until MCU module detects output electricity
When pressure drops to preset voltage value, MCU module control charging and synchronous rectified boost module stop increasing charging current.
Preferably, when MCU module detects that the output voltage of input module is reduced to pre-set output voltage 4.5V or less,
Control charging and synchronous rectified boost module, which reduce charging current, makes the output voltage of input module rise, until MCU module is examined
When measuring output voltage and rising to preset voltage value 4.75V, MCU module control charging and synchronous rectified boost module stop reducing
Charging current；
Preferably, when MCU module detects that the output voltage of input module increases to pre-set output voltage 6V or more, control
System charging and synchronous rectified boost module, which increase charging current, makes the output voltage of input module decline, until MCU module detects
When dropping to preset voltage value 5.25V to output voltage, MCU module control charging and synchronous rectified boost module stop increase and fill
Electric current.
Further, input module includes：USB1 interfaces, capacitance C1, antistatic diode ESD2, resistance R1, resistance R3,
Diode D1；
1 pin of USB1 interfaces respectively with the first end of capacitance C1, the first end of antistatic diode ESD2, resistance R1
First end, diode D1 anode be connected；
The second end of resistance R1 is connect with the first end of resistance R3, and collectively as the input test side of input module；
4 pins, 5 pins, the second end of capacitance C1, the second end of antistatic diode ESD2 and the resistance R3 of USB1 interfaces
Second end be connected to ground altogether.
Further, diode D2, resistance R4, metal-oxide-semiconductor Q2, capacitance C2, inductance L1, resistance R22, capacitance C12, metal-oxide-semiconductor
Q3, inductance L2, resistance R7, capacitance C13, capacitance C4；
Anode and the drain electrode of metal-oxide-semiconductor Q2, the second end of inductance L1, the first end of resistance R22, the metal-oxide-semiconductor Q3 of diode D2
Drain electrode be connected；The first end of inductance L1 is connect with the first end of capacitance C2, the second end ground connection of capacitance C2；
The cathode of diode D2 and the second end of resistance R4, the source electrode of metal-oxide-semiconductor Q2, the first end of capacitance C13, capacitance C4
First end is connected；The first end of resistance R4 connects with the grid of metal-oxide-semiconductor Q2 and as charging and synchronous rectified boost module the
One signal input part is connect with the second signal output end of MCU module；
The second end of resistance R22 is connected with the first end of capacitance C12；The source of the second end and metal-oxide-semiconductor Q3 of capacitance C12
Pole, inductance L2 first end be connected；
The grid of metal-oxide-semiconductor Q3 is connected with the first end of resistance R7, and the first end of the grid and resistance R7 of metal-oxide-semiconductor Q3 is common
It connects and as charging and synchronous rectified boost module second signal input terminal, is connect with the 5th signal output end of MCU module；
The second end of resistance R7 is connected with the second end of the second end of inductance L2, the second end of capacitance C13, capacitance C4.
Further, MCU module includes：Chip U2MP0406PE, antistatic diode ESD1, resistance R21, switch S1,
Capacitance C10, capacitance C11, resistance R20；
The first end of antistatic diode ESD1 is grounded, second end and the chip U2MP0406PE of antistatic diode ESD1
The 16th signal input part, resistance R21 first end connection；The second end of resistance R21 is connect with the first end of switch S1, is opened
Close the second end ground connection of S1；
The first end of capacitance C10 and the power supply end of chip U2MP0406PE, the first end of capacitance C11, resistance R20
First end connects；The second end of capacitance C10 and the second end of 12 input terminals of chip U2MP0406PE, capacitance C11 are connected to ground altogether；
The second end of resistance R20 is connect as the power input of MCU module with the output end of charging and synchronous rectified boost module.
Further, battery protection module includes：Resistance R18, capacitance C5, chip U1DW01, resistance R17, metal-oxide-semiconductor Q6；
The first end of capacitance C5 is connected with the second end of 5 pins of U1DW01, resistance R18；
The second end of capacitance C5 is connected with 1 pin of 6 pins of U1DW01, metal-oxide-semiconductor Q6；
The first end of resistance R17 is connected with 3 pins of 2 pins of U1DW01, metal-oxide-semiconductor Q6；
The 2nd pin of metal-oxide-semiconductor Q6 and the 5th pin are connect with the 5th pin of USB1 in input module jointly.
Further, output module includes：USB2 interfaces, capacitance C3, antistatic diode ESD3, antistatic diode
ESD4, antistatic diode ESD5, resistance R9, resistance R10, resistance R23, metal-oxide-semiconductor Q4；
4th pin of USB2 interfaces is connect with the first end of the first end of capacitance C3, antistatic diode ESD3, antistatic
The second end of diode ESD3 is grounded；
The of 1st pin of USB2 interfaces and the second end of capacitance C3, the first end of antistatic diode ESD4, resistance R9
The drain electrode connection at two ends, the first end of resistance R10, metal-oxide-semiconductor Q4, the second end ground connection of antistatic diode ESD4；
The first end of resistance R9 and the 7th signal input part of MCU connect；
The 6th signal that the second end of resistance R10 is connected to MCU with, the grid of resistance R23 first ends, metal-oxide-semiconductor Q4 jointly is defeated
Outlet connects；
Resistance R23 second ends are connected with the input terminal of the source electrode of metal-oxide-semiconductor Q4, detection module.
Further, detection module 70 includes：Detection circuit 1, detection circuit 2, detection circuit 3；
Detection circuit 1 connects the tenth signal input part of the output end and MCU module of input module；Detection circuit 2 connects
The input terminal of battery protection module and the 11st signal input part of MCU module；Detection circuit 3 connects the defeated of battery protection module
8th signal input part of outlet and MCU module.
Further, when MCU module detects that the output voltage of input module exceeds default input voltage range, control
Charging and synchronous rectified boost module stop charging, until when MCU module detects output voltage without departing from predetermined voltage range,
Restarting charging and synchronous rectified boost module charge.
Preferentially, when MCU module detects that the output voltage of input module exceeds default input voltage range 4.5V-6V
When, control charging and synchronous rectified boost module stop charging, until MCU module detects output voltage without departing from predeterminated voltage
When range 4.5V-6V, restarting charging and synchronous rectified boost module charge.
The utility model discloses a kind of adaptive inductive charging mobile powers, including：Input module, charging and synchronous rectification liter
Die block, MCU module, battery protection module, battery module, output module, detection module.When external equipment is filled to mobile power
When electric, when MCU module detects that output voltage is gradually reduced, when output voltage drops to default input voltage or less, MCU
Reducing charging current, output voltage is gradually increasing, until when MCU module detects that output voltage reaches preset voltage value, MCU moulds
Block stops reducing output current；When MCU module detects that output voltage gradually increases, if voltage is higher than pre-set output voltage
When, MCU adjustment increases charging current, and output voltage is gradually increasing, until MCU module detects that output voltage reaches predeterminated voltage
When value, MCU module stops reducing output current；To make external charging equipment and mobile power charge, it can work normally, carry
High mobile power compatibility.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is that the utility model implements mobile power principle schematic diagram；
Fig. 2 is that the utility model implements mobile power module map；
Fig. 3 is that the utility model implements mobile power MCU module figure；
Fig. 4 is that the utility model implements mobile power filter circuit figure；
Fig. 5 is that the utility model implements mobile power display module figure.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment 1
In order to make it easy to understand, please referring to Fig.1-Fig. 5.
The utility model embodiment provides a kind of adaptive inductive charging mobile power, as shown in Figure 1, adaptive inductive charging movement electricity
Source includes：Input module 10, charging and synchronous rectified boost module 20, MCU module 30, battery protection module 40, battery module
50, output module 60, detection module 70.
The input terminal of input module connects external charging equipment, the output end connection charging of input module and synchronous rectification liter
The input terminal of die block and the input terminal of detection module；The input test side connection of input module and the 9th letter of MCU module
The connection of number input terminal, the output end of detection module and the tenth signal input part of MCU module connect；
The input of the input terminal, battery protection module of the output end of charging and synchronous rectified boost module connection battery module
It holds, the energization input of the input terminal of output module, MCU module；The input of first signal of charging and synchronous rectified boost module
End is connect with the second signal output end of MCU module, second signal input terminal and the MCU moulds of charging and synchronous rectified boost module
5th signal output end of block connects；
The input terminal of battery protection module and the output end of battery module connect, the output end of battery protection module and input
The input terminal connection of the input terminal and output module of module；
The signal output end of output module and the 7th signal input part of MCU module connect, the signal input of output module
End is connect with the 6th signal output end of MCU module；
When MCU module detects that input module connects external equipment by the input test side of input module, control charging
And synchronous rectified boost module exports charging current to battery module；
When MCU module detects that the output voltage of input module is reduced to pre-set output voltage or less, control charging and
Synchronous rectified boost module, which reduces charging current, makes the output voltage of input module rise, until MCU module detects output electricity
When pressure rises to preset voltage value, MCU module control charging and synchronous rectified boost module stop reducing charging current；
When MCU module detects that the output voltage of input module increases to pre-set output voltage or more, control charging and
Synchronous rectified boost module, which increases charging current, makes the output voltage of input module decline, until MCU module detects output electricity
When pressure drops to preset voltage value, MCU module control charging and synchronous rectified boost module stop increasing charging current.
Specifically, when MCU module detects that the output voltage of input module is reduced to pre-set output voltage 4.5V or less,
Control charging and synchronous rectified boost module, which reduce charging current, makes the output voltage of input module rise, until MCU module is examined
When measuring output voltage and rising to preset voltage value 4.75V, MCU module control charging and synchronous rectified boost module stop reducing
Charging current；
Specifically, when MCU module detects that the output voltage of input module increases to pre-set output voltage 6V or more, control
System charging and synchronous rectified boost module, which increase charging current, makes the output voltage of input module decline, until MCU module detects
When dropping to preset voltage value 5.25V to output voltage, MCU module control charging and synchronous rectified boost module stop increase and fill
Electric current.
For input module 10, as shown in Fig. 2, input module 10 includes：USB1 interfaces, capacitance C1, antistatic diode
ESD2, resistance R1, resistance R3, diode D1；
1 pin of USB1 interfaces respectively with the first end of capacitance C1, the first end of antistatic diode ESD2, resistance R1
First end, diode D1 anode be connected；
The second end of resistance R1 is connect with the first end of resistance R3, and collectively as the input test side of input module；
4 pins, 5 pins, the second end of capacitance C1, the second end of antistatic diode ESD2 and the resistance R3 of USB1 interfaces
Second end be connected to ground altogether.
Input module 10 is for connecting the external charging equipment to charge to mobile power, when USB1 is terminated into DC power supply, DC-
IN port levels generate saltus step from low to high, wake up MCU module, it is high level that MCU module, which reads DC-IN, is started to battery
Charging.
Charging and synchronous rectified boost module 20, as shown in Fig. 2, including：Diode D2, resistance R4, metal-oxide-semiconductor Q2, capacitance
C2, inductance L1, resistance R22, capacitance C12, metal-oxide-semiconductor Q3, inductance L2, resistance R7, capacitance C13, capacitance C4；
Anode and the drain electrode of metal-oxide-semiconductor Q2, the second end of inductance L1, the first end of resistance R22, the metal-oxide-semiconductor Q3 of diode D2
Drain electrode be connected；The first end of inductance L1 is connect with the first end of capacitance C2, the second end ground connection of capacitance C2；
The cathode of diode D2 and the second end of resistance R4, the source electrode of metal-oxide-semiconductor Q2, the first end of capacitance C13, capacitance C4
First end is connected；The first end of resistance R4 connects with the grid of metal-oxide-semiconductor Q2 and as charging and synchronous rectified boost module the
One signal input part is connect with the second signal output end of MCU module；
The second end of resistance R22 is connected with the first end of capacitance C12；The source of the second end and metal-oxide-semiconductor Q3 of capacitance C12
Pole, inductance L2 first end be connected；
The grid of metal-oxide-semiconductor Q3 is connected with the first end of resistance R7, and the first end of the grid and resistance R7 of metal-oxide-semiconductor Q3 is common
It connects and as charging and synchronous rectified boost module second signal input terminal, is connect with the 5th signal output end of MCU module；
The second end of resistance R7 is connected with the second end of the second end of inductance L2, the second end of capacitance C13, capacitance C4.
Charging and synchronous rectified boost module 20 receive the control signal of MCU module when battery charges,
MCU module inputs PWM wave by the ends PWM-P and drives metal-oxide-semiconductor Q2.
When battery is to external equipment charge, charging and synchronous rectified boost module 20 are controlled by MCU module, MCU moulds
Block inputs PWM wave by the ends PWM-N and the ends PWM-P and drives metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q3.
For MCU module 30, as shown in figure 3, MCU module 30 includes：Chip U2MP0406PE, antistatic diode
ESD1, resistance R21, switch S1, capacitance C10, capacitance C11, resistance R20；
The first end of antistatic diode ESD1 is grounded, second end and the chip U2MP0406PE of antistatic diode ESD1
The 16th signal input part, resistance R21 first end connection；The second end of resistance R21 is connect with the first end of switch S1, is opened
Close the second end ground connection of S1；
The first end of capacitance C10 and the power supply end of chip U2MP0406PE, the first end of capacitance C11, resistance R20
First end connects；The second end of capacitance C10 and the second end of 12 input terminals of chip U2MP0406PE, capacitance C11 are connected to ground altogether；
The second end of resistance R20 is connect as energization input with charging and synchronous rectified boost module.
MCU module 30 detects charging voltage signal of the external charging equipment to input module 10, and is believed according to charging voltage
Number voltage parameter variation, pass through the duty ratio for controlling the built-in pwm signal of output, adjust charging current parameter；It is different when occurring
When normal state, when exceeding default input voltage range such as the output voltage of input module, by built-in PWM functions, reduces or increase
The duty ratio of big pwm signal, has controlled and charging current is decreased or increased.
MCU module 30 be additionally operable to receive testing result, start PWM charges the battery, mobile phone is switched in or out detection, button
Input detection starts and is closed to external equipment charge, control output.
The microcontroller of model MP0406PE, 9 pins and the input mould of MCU module 30 may be used in specific implementation mode
The ends DC-IN of block connect, for detecting whether external charging equipment is connected；
The ends LOAD-IN of 7 pins of MCU and output module connect, for detect charging equipment whether connection, control
Booting starts to charge to external charging equipment；
2 pins of MCU are connect with the ends PWM-P of charging and synchronous rectified boost module, and MCU exports PWM by the ends PWM-P
Drive waveform metal-oxide-semiconductor Q2 switches, when charging to battery, current loop is by D1 → Q2 → L1 → BAT+, and → BAT- → Q6 → returns to DC
Input negative terminal.
5 pins of MCU are connect with the ends PWM-N of charging and synchronous rectified boost module, when battery is to external equipment charge,
MCU exports PWM waveform by the ends PWM-P and PWM-N and metal-oxide-semiconductor Q2 and metal-oxide-semiconductor Q3, the current direction of circuit is driven to be followed successively by：
BAT-→BAT+→L1→Q2→Q4→R16→Q6→BAT-；In addition the current direction of energy storage afterflow part is followed successively by：BAT-→
BAT+→L1→Q3→Q6→BAT-。
Battery protection module 40, including：Resistance R18, capacitance C5, chip U1DW01, resistance R17, metal-oxide-semiconductor Q6；
The first end of capacitance C5 is connected with the second end of 5 pins of U1DW01, resistance R18；
The second end of capacitance C5 is connected with 1 pin of 6 pins of U1DW01, metal-oxide-semiconductor Q6；
The first end of resistance R17 is connected with 3 pins of 2 pins of U1DW01, metal-oxide-semiconductor Q6；
The 2nd pin of metal-oxide-semiconductor Q6 and the 5th pin are connect with the 5th pin of USB1 in input module jointly.
Battery protection module 40 can be made of chip U1DW01 pieces, metal-oxide-semiconductor Q6STN8205 and peripheral components, to battery reality
Existing overcurrent protection and short-circuit protection；Its specific performance, function and application mode have detailed information to be introduced, herein
It does not repeat one by one.
Battery module 50 is connect with the input terminal of charging and synchronous rectified boost module output end, battery protection module, is used
In storage electric energy；In fig. 2, the connection relation of battery omission is：Anode (BAT+) connects the ends BAT-V, battery cathode
(BAT-) ends connection V-BAT, can be used single-unit battery core, the voltage of battery is between 3V~4.2V.
Output module 60, including：USB2 interfaces, antistatic diode ESD3, antistatic diode ESD4, are prevented capacitance C3
Electrostatic diode ESD5, resistance R9, resistance R10, resistance R23, metal-oxide-semiconductor Q4；
4th pin of USB2 interfaces is connect with the first end of the first end of capacitance C3, antistatic diode ESD3, antistatic
The second end of diode ESD3 is grounded；
The of 1st pin of USB2 interfaces and the second end of capacitance C3, the first end of antistatic diode ESD4, resistance R9
The drain electrode connection at two ends, the first end of resistance R10, metal-oxide-semiconductor Q4, the second end ground connection of antistatic diode ESD4；
The first end of resistance R9 and the 7th signal input part of MCU connect；
The 6th signal that the second end of resistance R10 is connected to MCU with, the grid of resistance R23 first ends, metal-oxide-semiconductor Q4 jointly is defeated
Outlet connects；
Resistance R23 second ends are connected with the input terminal of the source electrode of metal-oxide-semiconductor Q4, detection module.
Output module 60 is connect with the output end of battery protection module, is connect with the fourth signal output end of MCU module, is used
It is attached, charged to charging equipment in charging equipment realization.Specific implementation mode refers to Fig. 2, Fig. 4, output
The first end of the ends LOAD-IN of module and 7 pins of MCU, C8 connects, the second end ground connection of C8；MCU enter it is standby before, can will
LOAD-IN is set as input pattern and is filtered through C8 when external charging equipment connects output module, output high level to the 7 of MCU
Pin wakes up MCU and charges to external equipment；The ends USB-OUT of output module and 6 pins of MCU connect, and are opened for MCU controls
Begin to external equipment charge.
Detection module 70, including：Detection circuit 1, detection circuit 2, detection circuit 3；
Detection circuit 1 connects the tenth signal input part of the output end and MCU module of input module；Detection circuit 2 connects
The input terminal of battery protection module and the 11st signal input part of MCU module；Detection circuit 3 connects the defeated of battery protection module
8th signal input part of outlet and MCU module.
Detection circuit 1 connects the 10th pin of the output end and MCU module of input module；In the pond that charges the battery, input
The V-SYN that the output voltage values of module are input to MCU module by R5, R6, by C7 filtering detects foot；
Detection circuit 2 connects the 11st pin of the input terminal and MCU module of battery protection module；In the pond that charges the battery,
After battery voltage value is by R11 and R12 partial pressures, the 11st pin of MCU module is input to by C9 filtering.
Detection circuit 3 connects the 8th pin of the output end and MCU module of battery protection module；In the pond that charges the battery, fill
Electric current value flows through R19, and the 8th pin of MCU module is input to by R16, R15, by C6 filtering, and C6 refers to Fig. 4.
Display module 80, including：Light-emitting diode LED 1, Light-emitting diode LED 2, Light-emitting diode LED 3, light-emitting diodes
Pipe LED4, resistance R8, resistance R13；
The first end of resistance R8 is connect with the cathode of the anode of Light-emitting diode LED 1, Light-emitting diode LED 2；Resistance R8
Second end and MCU third signal output end；
The cathode of the positive and Light-emitting diode LED 1 of Light-emitting diode LED 2, shines at the cathode of Light-emitting diode LED 4
The anode of diode (LED) 3, the fourth signal output end of MCU；
The first end of resistance R13 is connect with the cathode of the anode of Light-emitting diode LED 4, Light-emitting diode LED 3；Resistance
The second end of R13 and the 15th signal output end of MCU connect.
For display module 80 in charging, MCU controls LED1-4 shows state of charge successively according to battery capacity；Battery is full of
When stopping filling, LED1-4 is all lighted；Mobile phone connection disconnects, and when being transferred to standby mode automatically, LED1-4 extinguishes.
When MCU module detects that the output voltage of input module is reduced to pre-set output voltage 4.5V or less, control is filled
Electricity and synchronous rectified boost module reduce charging current so that the output voltage of input module is increased, up to MCU module detect it is defeated
When going out voltage and rising to preset voltage value 4.75V, MCU module control charging and synchronous rectified boost module stop reducing charging electricity
Stream；
When MCU module detects that the output voltage of input module increases to pre-set output voltage 6V or more, control charging
And synchronous rectified boost module increases charging current and the output voltage of input module is made to decline, until MCU module detects output
When voltage drops to preset voltage value 5.25V, MCU module control charging and synchronous rectified boost module stop increasing charging electricity
Stream.
So that mobile power realizes the working condition of adaptive external charging equipment, make external charging equipment and charging
The effect that battery can work normally in absence of such a match improves mobile power compatibility.
The utility model discloses a kind of adaptive inductive charging mobile powers, including input module, charging and synchronous rectification liter
Die block, MCU module, battery protection module, battery module, output module, detection module.When external equipment is filled to mobile power
When electric, when MCU module detects that output voltage is gradually reduced, when output voltage drops to default input voltage or less, MCU
Reducing charging current, output voltage is gradually increasing, until when MCU module detects that output voltage reaches preset voltage value, MCU moulds
Block stops reducing output current；When MCU module detects that output voltage gradually increases, if voltage is higher than pre-set output voltage
When, MCU adjustment increases charging current, and output voltage is gradually increasing, until MCU module detects that output voltage reaches predeterminated voltage
When value, MCU module stops reducing output current；To make external charging equipment and mobile power charge, it can work normally, carry
High mobile power compatibility.
Embodiment 2
In embodiment 1, when MCU module detects that the output voltage of input module exceeds default input voltage range,
Control charging and synchronous rectified boost module stop charging, until MCU module detects output voltage without departing from predeterminated voltage model
When enclosing, restarting charging and synchronous rectified boost module charge.
When MCU module detects that the output voltage of input module exceeds default input voltage range 4.5V-6V, control is filled
Electricity and synchronous rectified boost module stop charging, until MCU module detects output voltage without departing from predetermined voltage range 4.5V-
When 6V, restarting charging and synchronous rectified boost module charge.
When external equipment is in the mobile power charging process：When MCU module detects output module by detection circuit 1
Output voltage when exceeding default input voltage range 4.5V-6V, 2 pin of MCU module stops output PWM waveform and drives metal-oxide-semiconductor
Q2 stops charging, until detecting the output voltage of input module in predetermined voltage range by 1 detection circuit of detection circuit
When within 4.5V-6V, PWM waveform is exported again and drives Q2, starts charging；Make external charging equipment and rechargeable battery to realize
In absence of such a match, external charging equipment and rechargeable battery is avoided to be damaged because over-pressed or under-voltage.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of adaptive inductive charging mobile power, which is characterized in that including input module, charging and synchronous rectified boost module,
MCU module, battery protection module, battery module, output module, detection module；
The input terminal of the input module connects external charging equipment, the output end connection charging of the input module and same
Walk the input terminal of rectifier boost module and the input terminal of the detection module；The input module input test side connection with
9th signal input part of the MCU module connects, and the output end of the detection module and the tenth signal of the MCU module are defeated
Enter end connection；
The output end of the charging and synchronous rectified boost module connects the input terminal of the battery module, the battery protection mould
The energization input of the input terminal of block, the input terminal of the output module, the MCU module；The charging and synchronous rectification liter
First signal input part of die block is connect with the second signal output end of the MCU module, the charging and synchronous rectification liter
The second signal input terminal of die block is connect with the 5th signal output end of the MCU module；
The output end of the input terminal of the battery protection module and battery module connects, the output end of the battery protection module with
The input terminal of the input terminal of the input module and the output module connects；
The signal output end of the output module and the 7th signal input part of MCU module connect, the signal of the output module
Input terminal is connect with the 6th signal output end of the MCU module；
When the MCU module detects that the input module connects external equipment by the input test side of the input module,
It controls the charging and synchronous rectified boost module exports charging current to the battery module；
When the MCU module detects that the output voltage of the input module is reduced to pre-set output voltage or less, institute is controlled
It states charging and synchronous rectified boost module reduces the charging current and the output voltage of the input module is made to increase, until described
When MCU module detects that the output voltage rises to preset voltage value, the MCU module controls the charging and synchronous rectification
Boost module stops reducing the charging current；
When the MCU module detects that the output voltage of the input module increases to pre-set output voltage or more, institute is controlled
It states charging and synchronous rectified boost module increases the charging current and the output voltage of the input module is made to decline, until described
When MCU module detects that the output voltage drops to preset voltage value, the MCU module controls the charging and synchronous rectification
Boost module stops increasing the charging current.
2. mobile power as described in claim 1, which is characterized in that when the MCU module detects the input module
When output voltage is reduced to pre-set output voltage 4.5V or less, controls the charging and synchronous rectified boost module reduces charging electricity
Stream makes the output voltage of the input module rise, until the MCU module detects that the output voltage rises to default electricity
When pressure value 4.75V, the MCU module controls the charging and synchronous rectified boost module stops reducing charging current；
When the MCU module detects that the output voltage of the input module increases to pre-set output voltage 6V or more, control
The charging and synchronous rectified boost module, which increase charging current, makes the output voltage of the input module decline, until described
When MCU module detects that the output voltage drops to preset voltage value 5.25V, the MCU module control charging and same
Rectifier boost module is walked to stop increasing charging current.
3. mobile power as described in claim 1, which is characterized in that the input module includes USB1 interfaces, capacitance C1, prevents
Electrostatic diode ESD2, resistance R1, resistance R3, diode D1；
1 pin of the USB1 interfaces respectively with the first end of the capacitance C1, the first end of the antistatic diode ESD2,
The first end of the resistance R1, the diode D1 anode be connected；
The second end of the resistance R1 is connect with the first end of the resistance R3, and is examined collectively as the input of the input module
Survey end；
4 pins of the USB1 interfaces, 5 pins, the second end of the capacitance C1, the second end of the antistatic diode ESD2
And the second end of the resistance R3 is connected to ground altogether.
4. mobile power as described in claim 1, which is characterized in that the charging and synchronous rectified boost module include：Two
Pole pipe D2, resistance R4, metal-oxide-semiconductor Q2, capacitance C2, inductance L1, resistance R22, capacitance C12, metal-oxide-semiconductor Q3, inductance L2, resistance R7, electricity
Hold C13, capacitance C4；
The anode of the diode D2 and the draining of the metal-oxide-semiconductor Q2, the second end of the inductance L1, the resistance R22 the
The drain electrode of one end, the metal-oxide-semiconductor Q3 is connected；The first end of the inductance L1 is connect with the first end of the capacitance C2, described
The second end of capacitance C2 is grounded；
The of the cathode of the diode D2 and the second end of the resistance R4, the source electrode of the metal-oxide-semiconductor Q2, the capacitance C13
One end, the capacitance C4 first end be connected；The first end of the resistance R4 is connected with the grid of the metal-oxide-semiconductor Q2 and conduct
The charging and the first signal input part of synchronous rectified boost module, connect with the second signal output end of the MCU module；
The second end of the resistance R22 is connected with the first end of the capacitance C12；The second end of the capacitance C12 with it is described
The source electrode of metal-oxide-semiconductor Q3, the inductance L2 first end be connected；
The grid of the metal-oxide-semiconductor Q3 is connected with the first end of the resistance R7, the grid of the metal-oxide-semiconductor Q3 and the resistance R7
First end jointly connection and as it is described charging and synchronous rectified boost module second signal input terminal, with the MCU module
The 5th signal output end connection；The second of the second end of the resistance R7 and the second end of the inductance L2, the capacitance C13
It holds, the second end of the capacitance C4 is connected.
5. mobile power as described in claim 1, which is characterized in that the MCU module includes：Chip U2MP0406PE, prevent
Electrostatic diode ESD1, resistance R21, switch S1, capacitance C10, capacitance C11, resistance R20；
The first end of the antistatic diode ESD1 is grounded, second end and the chip of the antistatic diode ESD1
The first end connection of the 16th signal input part, the resistance R21 of U2MP0406PE；The second end of the resistance R21 and institute
State the first end connection of switch S1, the second end ground connection of the switch S1；
The power supply end of the first end of the capacitance C10 and the chip U2MP0406PE, the first end of the capacitance C11,
The first end of the resistance R20 connects；12 input terminals of the second end of the capacitance C10 and the chip U2MP0406PE, institute
The second end for stating capacitance C11 is connected to ground altogether；The second end of the resistance R20 is filled as the power input of MCU module with described
Electricity and the connection of the output end of synchronous rectified boost module.
6. mobile power as described in claim 1, which is characterized in that the battery protection module includes resistance R18, capacitance
C5, chip U1DW01, resistance R17, metal-oxide-semiconductor Q6；
The first end of the capacitance C5 is connected with the second end of 5 pins of U1DW01, the resistance R18；
The second end of the capacitance C5 is connected with 1 pin of 6 pins of U1DW01, the metal-oxide-semiconductor Q6；
The first end of the resistance R17 is connected with 3 pins of 2 pins of U1DW01, the metal-oxide-semiconductor Q6；
The 2nd pin and the 5th pin of the metal-oxide-semiconductor Q6 is connect with the 5th pin of USB1 in the input module jointly.
7. mobile power as described in claim 1, which is characterized in that the output module includes USB2 interfaces, capacitance C3, prevents
Electrostatic diode ESD3, antistatic diode ESD4, antistatic diode ESD5, resistance R9, resistance R10, resistance R23, metal-oxide-semiconductor
Q4；
4th pin of the USB2 interfaces connects with the first end of the capacitance C3, the first end of the antistatic diode ESD3
It connects, the second end ground connection of the antistatic diode ESD3；
1st pin of the USB2 interfaces and the second end of the capacitance C3, the first end of the antistatic diode ESD4, institute
State the drain electrode connection of the second end of resistance R9, the first end of the resistance R10, the metal-oxide-semiconductor Q4, the antistatic diode
The second end of ESD4 is grounded；
The first end of the resistance R9 is connect with the 7th signal input part of the MCU；
The second end of the resistance R10 is connected to the MCU jointly with, the grid of the resistance R23 first ends, the metal-oxide-semiconductor Q4
The 6th signal output end connection；
The resistance R23 second ends are connected with the input terminal of the source electrode of the metal-oxide-semiconductor Q4, detection module.
8. mobile power as described in claim 1, which is characterized in that the detection module includes detection circuit 1, detection circuit
2, detection circuit 3；
The detection circuit 1 connects the output end of the input module and the tenth signal input part of the MCU module；The inspection
Slowdown monitoring circuit 2 connects the input terminal of the battery protection module and the 11st signal input part of the MCU module；The detection electricity
Road 3 connects the output end of the battery protection module and the 8th signal input part of the MCU module.
9. mobile power as described in claim 1, which is characterized in that
When the MCU module detects that the output voltage of the input module exceeds default input voltage range, described in control
Charging and synchronous rectified boost module stop charging, until the MCU module detects the output voltage without departing from default electricity
When pressing range, restarts the charging and synchronous rectified boost module charges.
10. mobile power as claimed in claim 9, which is characterized in that
When the MCU module detects that the output voltage of the input module exceeds default input voltage range 4.5V-6V, control
Make it is described charging and synchronous rectified boost module stop charging, until the MCU module detect the output voltage without departing from
When predetermined voltage range 4.5V-6V, restarts the charging and synchronous rectified boost module charges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721819727.8U CN207677490U (en) | 2017-12-20 | 2017-12-20 | A kind of adaptive inductive charging mobile power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721819727.8U CN207677490U (en) | 2017-12-20 | 2017-12-20 | A kind of adaptive inductive charging mobile power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677490U true CN207677490U (en) | 2018-07-31 |
Family
ID=62971139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721819727.8U Active CN207677490U (en) | 2017-12-20 | 2017-12-20 | A kind of adaptive inductive charging mobile power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207677490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109700076A (en) * | 2019-01-22 | 2019-05-03 | 河南中烟工业有限责任公司 | Heat the cigarette synchronous rectified boost circuit that do not burn |
-
2017
- 2017-12-20 CN CN201721819727.8U patent/CN207677490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109700076A (en) * | 2019-01-22 | 2019-05-03 | 河南中烟工业有限责任公司 | Heat the cigarette synchronous rectified boost circuit that do not burn |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204633409U (en) | A kind ofly support the portable power source that high pass QC2.0 fills function soon | |
| CN106849322A (en) | A kind of standby energy-storage system of intelligent domestic | |
| CN211377693U (en) | Power transmission line hybrid power supply based on solar energy and induction energy obtaining | |
| CN203481855U (en) | Portable power supply device | |
| CN204012830U (en) | Portable power source | |
| CN201219206Y (en) | Multifunctional portable energy storing device | |
| CN102412758B (en) | Portable solar power supply system | |
| CN207677490U (en) | A kind of adaptive inductive charging mobile power | |
| CN104300605B (en) | Power circuit and control method thereof | |
| CN203491739U (en) | Charge and discharge circuit and mobile power supply | |
| CN203674746U (en) | Portable solar mobile power source with MPPT function | |
| CN201266996Y (en) | Mobile phone battery and mobile phone with the same | |
| CN205430123U (en) | Solar energy is to charge controllers of load | |
| CN201733113U (en) | Portable mobile power supply | |
| CN104882742B (en) | Intelligent charging socket | |
| CN203933057U (en) | A kind of portable multi-function portable power source | |
| CN103280850B (en) | Drive circuit with charger baby and multipurpose LED (light-emitting diode) functions | |
| CN203312866U (en) | Mobile power supply | |
| CN206416866U (en) | Portable charging energy-storing system | |
| CN102468657A (en) | Charging circuit of standby battery | |
| CN209119885U (en) | Solar energy movable power supply | |
| CN2879501Y (en) | Two-use side charger | |
| CN209104881U (en) | A kind of intelligent charger automatically switching charge and discharge system | |
| CN208996983U (en) | Blowing device | |
| CN203481901U (en) | Zero-load low-loss battery charging circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |