CN107612104A - Control method and device when USB flash disk charger baby charges - Google Patents
Control method and device when USB flash disk charger baby charges Download PDFInfo
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- CN107612104A CN107612104A CN201711087140.7A CN201711087140A CN107612104A CN 107612104 A CN107612104 A CN 107612104A CN 201711087140 A CN201711087140 A CN 201711087140A CN 107612104 A CN107612104 A CN 107612104A
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- circuit
- flash disk
- charger baby
- usb flash
- charge
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Abstract
The invention provides control method and device during a kind of charging of USB flash disk charger baby, charged for external power source access USB flash disk charger baby, the USB flash disk charger baby comprises at least main controller, charge-discharge modules, data transmission module and monitors whether load access and the observation circuit of data transfer request；The main controller connects the charge-discharge modules, data transmission module and observation circuit respectively；When external power source accesses USB flash disk charger baby, the electric current of external power source is accessed；Whether main controller has load access and data transfer request by monitoring circuit monitors；According to monitoring result, the data transfer of control data transport module；And/or load or USB flash disk charger baby are charged according to monitoring result, control charge-discharge modules；Control method and device during the USB flash disk charger baby charging provided in the present invention, are easy to control data to transmit and be powered to load and USB flash disk charger baby.
Description
Technical field
The present invention relates to control method and device during a kind of electronic technology field, more particularly to USB flash disk charger baby charging.
Background technology
Charger baby technology is quite ripe with USB flash disk technology at present, and its circuit part falls within circuit common；However, fill
Electric treasured is used with USB flash disk as stand-alone product, it is necessary to be equipped with charger baby (stand-by power supply) for terminal user
And USB flash disk (standby extended menory), USB flash disk charger baby is integrated in use, being then faced with inconvenience control data transmission simultaneously
And the problem of being powered to load.
The content of the invention
The main object of the present invention is easy to load to provide control method and device during a kind of USB flash disk charger baby charging
It is powered while control data is transmitted.
The invention provides control method during a kind of charging of USB flash disk charger baby, enters for external power source access USB flash disk charger baby
Row charging, the USB flash disk charger baby comprise at least main controller, charge-discharge modules, data transmission module and have monitored whether load
Access and the observation circuit of data transfer request；The main controller connect respectively the charge-discharge modules, data transmission module with
And observation circuit；
Control method during the USB flash disk charger baby charging comprises the following steps：
When external power source accesses USB flash disk charger baby, the electric current of external power source is accessed；
Whether main controller has load access and data transfer request by monitoring circuit monitors；
According to monitoring result, the data transfer of control data transport module；And/or according to monitoring result, control discharge and recharge
Module charges to load or USB flash disk charger baby.
Further, the charge-discharge modules include power circuit, management of charging and discharging circuit and battery core；The data pass
Defeated module includes data transmission circuit, flash memory, usb circuit；The usb circuit include USB input interface circuits with
And USB output interface circuits；The management of charging and discharging circuit includes charge management circuit and discharging management circuit；
The main controller connects the flash memory, is connected to by the power circuit and the data transmission circuit described
Usb circuit；The main controller controls and carries out data by data transmission circuit between the flash memory and usb circuit
Transmission；
The charge management circuit is connected the main controller, battery core, the Charge Management electricity with discharging management circuit respectively
Road connects the USB input interface circuits, and the discharging management circuit connects the USB output interface circuits；The USB inputs
Interface circuit input current charges to the charge management circuit to the battery core, and the main controller controls the discharge tube
Reason circuit exports the electric current of the battery core to the USB output interface circuits.
Further, the step to be charged according to monitoring result, control charge-discharge modules to load or USB flash disk charger baby
Suddenly, including：
When having monitored load access, the charge-discharge modules are controlled to fill the load by the power circuit
Electricity, and disconnect and the USB flash disk charger baby is charged；When monitoring non-loaded access, by described in power circuit control
Charge-discharge modules charge to the USB flash disk charger baby.
Further, it is described when having monitored load access, pass through the power circuit and control the charge-discharge modules pair
After the step of load is charged, and disconnection is charged to the USB flash disk charger baby, including：
Monitor whether the load power is full of；
If being full of, the charge-discharge modules are controlled to charge the USB flash disk charger baby by the power circuit, and
Disconnect and the load is charged.
Further, it is described to control the charge-discharge modules to fill the USB flash disk charger baby by the power circuit
After the step of electricity, including：
Monitor whether the USB flash disk charger baby electricity is full of；
If being full of, control the charge-discharge modules to disconnect and the USB flash disk charger baby is charged.
Further, the USB flash disk charger baby also includes charging indicator light；
Described the step of controlling the charge-discharge modules to charge the USB flash disk charger baby by the power circuit it
Afterwards, including：
Charging indicator light is opened, shows the charged state of the USB flash disk charger baby.
Further, the management of charging and discharging circuit also includes wireless coil circuit；
Include during external power source access USB flash disk charger baby, the step of the electric current for accessing external power source：
Whether main controller has external power source to access the USB input interface circuits by monitoring circuit monitors；
If so, electric current is then accessed by the USB input interface circuits and disconnects the wireless coil circuit to electric current
Receive；If nothing, pass through the wireless coil module induced-current.
Further, it is described according to monitoring result, the step of the data transfer of control data transport module, including：
When having monitored load access, then whether monitoring load has request of data；If monitor non-loaded access, supervise
Survey whether external power source has request of data；
If there is request, the transmission of control data transmission circuit log-on data.
Further, the USB flash disk charger baby also includes the key switch of turn-on data transmission；Whether the monitoring load has
Request of data；And whether monitoring external power source has the step of request of data to include：
By key switch described in monitoring circuit monitors, whether turn-on data is transmitted；
Whether it is detected by D+ and the D- interface of monitoring circuit monitors usb circuit.
Present invention also offers control device during a kind of charging of USB flash disk charger baby, and USB flash disk charger baby is accessed for external power source
Charged, the USB flash disk charger baby comprises at least main controller, charge-discharge modules, data transmission module and monitored whether negative
Carry access and the observation circuit of data transfer request；The main controller connects the charge-discharge modules, data transmission module respectively
And observation circuit；
Described device includes：
Access unit, when accessing USB flash disk charger baby for external power source, access the electric current of external power source；
Monitoring unit, for whether having load access and data transfer request by monitoring circuit monitors；
Control unit, for according to monitoring result, the data transfer of control data transport module；And/or tied according to monitoring
Fruit, control charge-discharge modules charge to load or USB flash disk charger baby.
Control method and device during the USB flash disk charger baby charging provided in the present invention, have the advantages that：
Control method and device during the USB flash disk charger baby charging provided in the present invention, for external power source access USB flash disk charging
Treasured is charged, and the USB flash disk charger baby comprises at least main controller, charge-discharge modules, data transmission module and monitored whether
Load access and the observation circuit of data transfer request；The main controller connects the charge-discharge modules, data transfer mould respectively
Block and observation circuit；When external power source accesses USB flash disk charger baby, the electric current of external power source is accessed；Main controller passes through observation circuit
Load access and data transfer request are monitored whether；According to monitoring result, the data transfer of control data transport module；With/
Or, load or USB flash disk charger baby are charged according to monitoring result, control charge-discharge modules；It is easy to load and USB flash disk charger baby
While being powered, control data transmission.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the control circuit of the USB flash disk charger baby in one embodiment of the invention；
Control method step schematic diagram when Fig. 2 is the USB flash disk charger baby charging in one embodiment of the invention；
Control device structured flowchart when Fig. 3 is the USB flash disk charger baby charging in one embodiment of the invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is the general understanding identical meaning with the those of ordinary skill in art of the present invention.Should also
Understand, those terms defined in such as general dictionary, it should be understood that have with the context of prior art
The consistent meaning of meaning, and unless by specific definitions, otherwise will not be explained with the implication of idealization or overly formal.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
A kind of USB flash disk charger baby is provided in one embodiment of the invention, it includes control circuit；The control of the USB flash disk charger baby
Circuit comprises at least main controller 100, charge-discharge modules, data transmission module and has monitored whether load access and data transfer
The observation circuit of request；The main controller 100 connects the charge-discharge modules, data transmission module and observation circuit respectively.
Specifically, reference picture 1, for the circuit block diagram of the control circuit of the USB flash disk charger baby in one embodiment of the invention.
A kind of control circuit of USB flash disk charger baby is provided in one embodiment of the invention, wherein the charge-discharge modules include
Management of charging and discharging circuit and battery core 140, the data transmission module include power circuit 110, data transmission circuit, flash memory
120th, usb circuit；The usb circuit includes USB input interface circuits 131 and USB output interface circuits 132；
The management of charging and discharging circuit includes charge management circuit 180 and discharging management circuit 190；
The main controller 100 connects the flash memory 120, passes through the power circuit 110 and the data transmission circuit
It is connected to the usb circuit；The main controller 100 controls passes through data between the flash memory 120 and usb circuit
Transmission circuit carries out data transmission；Include the USB interface and power supply carried out data transmission in the usb circuit.
The charge management circuit is connected the main controller 100, battery core 140 and USB with discharging management circuit and connect respectively
Mouth circuit；The charge management circuit connects the USB input interface circuits 131, and the discharging management circuit connects the USB
Output interface circuit 132；The input current of USB input interface circuits 131 is to the charge management circuit to the battery core 140
Charge control is carried out, the main controller 100 controls the discharging management circuit to export the electric current of the battery core 140 to described
USB output interface circuits 132.The usb circuit connects including Standard-USB/Micro-USB/Lightning/type-c
Mouthful.
The USB input interface circuits 131 not only input current to the charge management circuit 180 to the battery core 140
Charged, or data transmission path, can be charged simultaneously and data transfer；The discharging management circuit 190 controls
Battery core 140, can to the output current of USB output interface circuits 132, USB output interface circuits 132 and data transmission path
To be discharged and data transfer simultaneously；The main controller 100 controls the charge management circuit 180 and discharging management circuit
190, also control the data transfer management of USB input interface circuits 131 and USB output interface circuits 132.
In the present embodiment, the circuit part carried out data transmission and the circuit part for carrying out discharge and recharge are integrated in one
Rise, be all that discharge and recharge and data transfer are carried out by USB interface so that it can not only be used as portable power source but also can be used as storage
Equipment, it is possible to reduce the expansion equipment quantity that user uses, while reduce charging wire that user uses and data wire quantity (only
Need a charging data line).
In the present embodiment, above-mentioned control circuit also includes clock circuit 150 and protection circuit 170, the clock electricity
Road 150 connects the main controller 100；The protection circuit 170 connects the main controller 100.
In the present embodiment, above-mentioned control circuit also includes indicator light circuit 160, and the indicator light circuit 160 connects institute
Main controller 100 is stated, the indicator light circuit 160 includes being used to indicate electricity and charging, the indicator lamp of discharge condition.
In the present embodiment, above-mentioned control circuit also includes key circuit, and the key circuit connects the main controller 100
And external function button.The function button can be arranged on shell.
In the present embodiment, the battery core 140 is Hard Roll battery core 140 (cylindrical lithium battery core 140) or soft pack cell 140
(polymer lithium ion battery cell 140)；The flash memory 120 is Flash, SD card or TF card；The capacity of the flash memory 120 can be free
Selection is set.
In the present embodiment, the management of charging and discharging circuit includes charge management circuit 180 and discharging management circuit
190；The usb circuit includes USB input interface circuits 131 and USB output interface circuits 132；The USB input interfaces
Circuit 131 is used for power input and data input exports, and the USB output interface circuits 132 are used for power supply output and data
Input and output.
The USB input interface circuits 131 connect the master control by the power circuit 110 and data transmission circuit
Device 100, the USB output interface circuits 132 connect the main controller 100 by the data transmission circuit and carry out data biography
It is defeated；
The charge management circuit 180 connects USB input interface circuits 131, main controller 100 and battery core 140 respectively, uses
Charged in the battery core 140；It is defeated that the discharging management circuit 190 connects the main controller 100, battery core 140 and USB respectively
Outgoing interface circuit 132 is used to discharge to the battery core 140.
In the present embodiment, the management of charging and discharging circuit also includes the Wireless charging coil 200 for wireless charging；
The Wireless charging coil 200 connects the main controller 100 and the charge management circuit 180 respectively.
In the present embodiment, above-mentioned control circuit also includes observation circuit 210, and the observation circuit 210 connects the master
Device 100 is controlled, is mainly used in monitoring the Wireless charging coil induced-current, and monitoring USB input interface circuits 131 access electricity
Source and/or the signal of the access load of USB output interface circuits 132 (mobile phone or tablet personal computer etc.)；Battery core 140 can also be monitored
Capacity and it is monitored whether functional button is pressed to above-mentioned key circuit.
Preferably, in the above-described embodiments, can also include a control board, it is solderable in above-mentioned control board on
Flash is stated, installation neck is either provided with and SD card or TF card is correspondingly installed；Above-mentioned main controller 100, power circuit 110, data
Transmission circuit, flash memory 120, usb circuit, management of charging and discharging circuit, battery core 140, observation circuit 210, clock circuit 150,
Protection circuit 170, indicator light circuit 160, key circuit etc. can be arranged in the control board.It is understood that
Specific implementation for above-mentioned each circuit, those skilled in the art can pass through prior art (such as USB flash disk in the prior art
And circuit present in charger baby) and common knowledge realize, no longer it is repeated in the present embodiment.
A kind of USB flash disk charger baby, including USB flash disk described in shell and any of the above-described are additionally provided in another embodiment of the present invention
The control circuit of charger baby, above-mentioned control board can also be included, the control board is arranged in shell, the control electricity
Road is arranged in the control board in the shell；The opening of the corresponding usb circuit is provided with the shell.
The key opening of corresponding above-mentioned key circuit is additionally provided with shell, and sets corresponding function to press in opening
Key.
The indicator lamp opening of corresponding above-mentioned indicator light circuit is additionally provided with shell, and corresponding instruction is set in opening
Lamp.
Further, the shell is arranged to be adapted to the shelly of mobile phone.And it is internally provided with Micro-USB/
Lightning/type-C males, the Micro-USB/Lightning/type-C for being directly inserted into mobile phone or tablet personal computer connect
Mobile phone or tablet personal computer are charged mouth and data transfer.
In summary, it is the USB flash disk charger baby and its control circuit that are provided in the embodiment of the present invention, including main controller 100, electricity
Source circuit 110, data transmission circuit, flash memory 120, usb circuit, management of charging and discharging circuit, observation circuit 210, indicator lamp
Circuit 160, protection circuit 170, Wireless charging coil 200 and battery core 140；The main controller 100 connects the flash memory 120,
And the usb circuit is connected to by the power circuit 110 and the data transmission circuit respectively；The main controller
Carried out data transmission between the 100 controls flash memory 120 and usb circuit by data transmission circuit；The discharge and recharge
Management circuit connects the main controller 100, battery core 140, usb circuit respectively；The USB input interface circuits 131 input
Electric current charges to the charge management circuit 180 to the battery core 140, and the main controller 100 controls the electric discharge management
Circuit 190 exports the electric current of the battery core 140 to the USB output interface circuits 132；The U provided in the embodiment of the present invention
Disk charger baby and its control circuit, can not only be used as portable power source be used as storage device again, and can at the same discharge and recharge and
Data transfer and do not interfere with each other mutually.
Reference picture 2, control method during a kind of USB flash disk charger baby charging is provided in the embodiment of the present invention, for external electrical
The USB flash disk charger baby that source is accessed in above-described embodiment is charged, and the USB flash disk charger baby comprises at least main controller 100, discharge and recharge mould
Block, data transmission module and the observation circuit for monitoring whether load access and data transfer request；The main controller 100 divides
The charge-discharge modules, data transmission module and observation circuit are not connected；
Control method during the USB flash disk charger baby charging comprises the following steps：
Step S1, when external power source accesses USB flash disk charger baby, access the electric current of external power source；
Whether step S2, main controller 100 have load access and data transfer request by monitoring circuit monitors；
Step S3, according to monitoring result, the data transfer of control data transport module；And/or according to monitoring result, control
Charge-discharge modules processed charge to load or USB flash disk charger baby.
In the present embodiment, whether there are load access and data transfer request by monitoring circuit monitors, and then according to monitoring
As a result, the data transfer of control data transport module；And/or according to monitoring result, control charge-discharge modules are to load or USB flash disk
Charger baby is charged, and when charger baby and USB flash disk are integrated, is easy to while control data is transmitted and load is carried out
Power supply.
When external power source (computer USB interface, power interface, wireless charging power supply etc.) access USB flash disk charger baby is charged
When, if USB flash disk charger baby is also associated with other loads, the priority that external power source is charged to load should be arranged to.This
In embodiment, it is arranged to load charging prior to being charged to USB flash disk charger baby.
In the present embodiment, it is described that load or USB flash disk charger baby are charged according to monitoring result, control charge-discharge modules
Step S3, specifically include：
Monitored load access when, by the power circuit 110 control the charge-discharge modules to it is described load into
Row charging, and disconnect and the USB flash disk charger baby is charged；When monitoring non-loaded access, controlled by the power circuit 110
The charge-discharge modules are made to charge to the USB flash disk charger baby.
Further, it is described monitored load access when, the charge-discharge modules are controlled by the power circuit 110
The load is charged, and after disconnecting the step of being charged to the USB flash disk charger baby, including：
Monitor whether the load power is full of；When being charged to load, if load is full of, load feedback can be received
Signal judges that load fills with electricity.
If being full of, the charge-discharge modules are controlled to fill the USB flash disk charger baby by the power circuit 110
Electricity, and disconnect the charging to the load.If underfill, charge-discharge modules continue load charge until being full of.
Further, it is described to control the charge-discharge modules to carry out the USB flash disk charger baby by the power circuit 110
After the step of charging, including：
Monitor whether the USB flash disk charger baby electricity is full of；
If being full of, control the charge-discharge modules to disconnect and the USB flash disk charger baby is charged；If underfill, fill
Discharge module continues to charge to the USB flash disk charger baby, until being full of.
Further, the USB flash disk charger baby also includes charging indicator light；
The step for controlling the charge-discharge modules to charge the USB flash disk charger baby by the power circuit 110
After rapid, including：
Charging indicator light is opened, shows the charged state of the USB flash disk charger baby.
Further, the management of charging and discharging circuit also includes wireless coil circuit 200；The external power source accesses USB flash disk
During charger baby, accessing the step S1 of the electric current of external power source includes：
Step S1a, whether main controller 100 has external power source to access the USB input interfaces electricity by monitoring circuit monitors
Road 131；
Step S1b, if so, then accessing electric current by the USB input interface circuits 131 and disconnecting the wireless coil electricity
Reception of the road 200 to electric current；If nothing, pass through the induced-current of wireless coil module 200.
Further, it is described according to monitoring result, the step S3 of the data transfer of control data transport module, including：
When step S3a, having monitored load access, then whether monitoring load has request of data；If monitor non-loaded connect
It is fashionable, then monitor whether external power source has request of data；
If step S3b, there is request, the transmission of control data transmission circuit log-on data.The settings such as computer pass through usb data
When line accesses USB flash disk charger baby, handshake, connection circuit and USB flash disk charger baby can be sent, and can detect that computer fills with USB flash disk
Whether need to carry out data transmission between electric treasured.
Specifically, the USB flash disk charger baby also includes the key switch of turn-on data transmission；Whether the monitoring load has number
According to request；And whether monitoring external power source has the step of request of data to include：
A, by key switch described in monitoring circuit monitors, whether turn-on data is transmitted；By being pressed described in monitoring circuit monitors
Key switch whether transmit by turn-on data.Functional switch is provided with USB flash disk charger baby, control opens and closes data transfer, monitoring
Whether the circuit monitoring button, which is pressed down, judges whether that turn-on data is transmitted.
B, whether it is detected by D+ and the D- interface of monitoring circuit monitors usb circuit.
Whether main controller be detected by monitoring circuit monitors USB D+ and D- interface, and data are determined whether with this
Transmission request；If being detected, log-on data transmission, if not detecting, data transfer is not turned on.
Reference picture 3, control device during a kind of USB flash disk charger baby charging is additionally provided in another embodiment of the present invention, is used for
External power source access USB flash disk charger baby is charged, and the USB flash disk charger baby comprises at least main controller 100, charge-discharge modules, data
Transport module and the observation circuit for monitoring whether load access and data transfer request；The main controller 100 connects respectively
The charge-discharge modules, data transmission module and observation circuit；
Described device includes：
Access unit 10, when accessing USB flash disk charger baby for external power source, access the electric current of external power source；
Monitoring unit 20, for whether having load access and data transfer request by monitoring circuit monitors；
Control unit 30, for according to monitoring result, the data transfer of control data transport module；And/or according to monitoring
As a result, charge-discharge modules are controlled to charge load or USB flash disk charger baby.
In the present embodiment, whether there are load access and data transfer request by monitoring circuit monitors, and then according to monitoring
As a result, the data transfer of control data transport module；And/or according to monitoring result, control charge-discharge modules are to load or USB flash disk
Charger baby is charged, and when charger baby and USB flash disk are integrated, is easy to while control data is transmitted and load is carried out
Power supply.
When external power source (computer USB interface, power interface, wireless charging power supply etc.) access USB flash disk charger baby is charged
When, if USB flash disk charger baby is also associated with other loads, the priority that external power source is charged to load should be arranged to.This
In embodiment, it is arranged to load charging prior to being charged to USB flash disk charger baby.
The specific implementation of access unit 10, monitoring unit 20 and control unit 30, refer in the embodiment of the present invention
Embodiment is stated, is no longer repeated herein.
In summary, the control method and device when USB flash disk charger baby to be provided in the embodiment of the present invention charges, for outer
Portion's plant-grid connection USB flash disk charger baby is charged, and the USB flash disk charger baby comprises at least main controller 100, charge-discharge modules, data and passed
Defeated module and the observation circuit for monitoring whether load access and data transfer request；The main controller 100 connects institute respectively
State charge-discharge modules, data transmission module and observation circuit；Whether main controller 100 has load to access by monitoring circuit monitors
And/or data transfer request；According to monitoring result, the data transfer of control data transport module；And/or according to monitoring result,
Control charge-discharge modules charge to load or USB flash disk charger baby；It is easy to while control data is transmitted and load is supplied
Electricity.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. control method during a kind of USB flash disk charger baby charging, charged for external power source access USB flash disk charger baby, its feature
It is, the USB flash disk charger baby comprises at least main controller, charge-discharge modules, data transmission module and monitored whether that load connects
Enter the observation circuit with data transfer request；The main controller connect respectively the charge-discharge modules, data transmission module and
Observation circuit；
Control method during the USB flash disk charger baby charging comprises the following steps：
When external power source accesses USB flash disk charger baby, the electric current of external power source is accessed；
Whether main controller has load access and data transfer request by monitoring circuit monitors；
According to monitoring result, the data transfer of control data transport module；And/or according to monitoring result, control charge-discharge modules
Load or USB flash disk charger baby are charged.
2. control method during USB flash disk charger baby charging according to claim 1, it is characterised in that the charge-discharge modules
Including power circuit, management of charging and discharging circuit and battery core；The data transmission module includes data transmission circuit, flash memory, USB
Interface circuit；The usb circuit includes USB input interface circuits and USB output interface circuits；The management of charging and discharging
Circuit includes charge management circuit and discharging management circuit；
The main controller connects the flash memory, and the USB is connected to by the power circuit and the data transmission circuit
Interface circuit；The main controller controls and carries out data biography by data transmission circuit between the flash memory and usb circuit
It is defeated；
The charge management circuit is connected the main controller, battery core with discharging management circuit respectively, and the charge management circuit connects
The USB input interface circuits are connect, the discharging management circuit connects the USB output interface circuits；The USB input interfaces
Circuit input current charges to the charge management circuit to the battery core, the main controller control electric discharge management electricity
Road exports the electric current of the battery core to the USB output interface circuits.
3. control method during USB flash disk charger baby charging according to claim 2, it is characterised in that described to be tied according to monitoring
Fruit, control charge-discharge modules to load or USB flash disk charger baby charge the step of, including：
When having monitored load access, the charge-discharge modules are controlled to charge the load by the power circuit,
And disconnect and the USB flash disk charger baby is charged；When monitoring non-loaded access, the charge and discharge is controlled by the power circuit
Electric module charges to the USB flash disk charger baby.
4. control method during USB flash disk charger baby according to claim 3 charging, it is characterised in that it is described monitored it is negative
When carrying access, the charge-discharge modules are controlled to charge the load by the power circuit, and disconnect to the USB flash disk
After the step of charger baby is charged, including：
Monitor whether the load power is full of；
If being full of, the charge-discharge modules are controlled to charge the USB flash disk charger baby by the power circuit, and disconnect
The load is charged.
Control method when 5. the USB flash disk charger baby according to claim 3 or 4 charges, it is characterised in that described by described
After the step of power circuit controls the charge-discharge modules to charge the USB flash disk charger baby, including：
Monitor whether the USB flash disk charger baby electricity is full of；
If being full of, control the charge-discharge modules to disconnect and the USB flash disk charger baby is charged.
Control method when 6. the USB flash disk charger baby according to claim 3 or 4 charges, it is characterised in that the USB flash disk charging
Treasured also includes charging indicator light；
After described the step of controlling the charge-discharge modules to charge the USB flash disk charger baby by the power circuit,
Including：
Charging indicator light is opened, shows the charged state of the USB flash disk charger baby.
7. control method during USB flash disk charger baby charging according to claim 2, it is characterised in that the management of charging and discharging
Circuit also includes wireless coil circuit；
Include during external power source access USB flash disk charger baby, the step of the electric current for accessing external power source：
Whether main controller has external power source to access the USB input interface circuits by monitoring circuit monitors；
If so, electric current is then accessed by the USB input interface circuits and disconnects reception of the wireless coil circuit to electric current；
If nothing, pass through the wireless coil module induced-current.
8. control method during USB flash disk charger baby charging according to claim 1 or 2, it is characterised in that described according to monitoring
As a result, the step of data transfer of control data transport module, including：
When having monitored load access, then whether monitoring load has request of data；If monitor non-loaded access, monitoring is outer
Whether portion's power supply has request of data；
If there is request, the transmission of control data transmission circuit log-on data.
9. control method during USB flash disk charger baby charging according to claim 8, it is characterised in that the USB flash disk charger baby is also
Include the key switch of turn-on data transmission；Whether the monitoring load has request of data；And whether monitoring external power source has
The step of request of data, includes：
By key switch described in monitoring circuit monitors, whether turn-on data is transmitted；
Whether it is detected by D+ and the D- interface of monitoring circuit monitors usb circuit.
10. control device during a kind of USB flash disk charger baby charging, charged for external power source access USB flash disk charger baby, its feature
It is, the USB flash disk charger baby comprises at least main controller, charge-discharge modules, data transmission module and monitored whether that load connects
Enter the observation circuit with data transfer request；The main controller connect respectively the charge-discharge modules, data transmission module and
Observation circuit；
Described device includes：
Access unit, when accessing USB flash disk charger baby for external power source, access the electric current of external power source；
Monitoring unit, for whether having load access and data transfer request by monitoring circuit monitors；
Control unit, for according to monitoring result, the data transfer of control data transport module；And/or according to monitoring result,
Control charge-discharge modules charge to load or USB flash disk charger baby.
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| CN201711087140.7A CN107612104B (en) | 2017-11-07 | 2017-11-07 | Control method and device for charging of U disk charger |
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| CN201711087140.7A CN107612104B (en) | 2017-11-07 | 2017-11-07 | Control method and device for charging of U disk charger |
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| CN107612104A true CN107612104A (en) | 2018-01-19 |
| CN107612104B CN107612104B (en) | 2020-10-30 |
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Cited By (1)
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| CN115483746A (en) * | 2022-10-31 | 2022-12-16 | 深圳市百泰实业股份有限公司 | Mobile storage charger baby and control circuit thereof |
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| CN107612104B (en) | 2020-10-30 |
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