CN207039219U - A kind of optional multichannel current automatic adaptation charging device of priority - Google Patents
A kind of optional multichannel current automatic adaptation charging device of priority Download PDFInfo
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- CN207039219U CN207039219U CN201720585855.4U CN201720585855U CN207039219U CN 207039219 U CN207039219 U CN 207039219U CN 201720585855 U CN201720585855 U CN 201720585855U CN 207039219 U CN207039219 U CN 207039219U
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Abstract
The utility model provides a kind of optional multichannel current automatic adaptation charging device of priority, including MCU Logic control modules and priority control module and multiple charging circuits；The charging circuit is used to charge to the charge target of insertion；The priority control module is used for the priority for setting each charging circuit, and signal priority corresponding to transmission；The MCU Logic control modules are used for the plug state for detecting each charging circuit, and the charging current of each charging circuit is distributed according to priority.By setting priority and according to priority height, adaptive adjustment is carried out to the charging current of each target to be charged in actual use, quick charge task can be completed using low power adapter according to the actual requirements, finally realize cost-effective, operation is flexible, the products scheme of human oriented design.
Description
Technical field
Technical field of electric appliances is the utility model is related to, it is adaptive more particularly, to a kind of optional multichannel electric current of priority
Inductive charging device.
Background technology
In the prior art, mobile electronic device is more and more, the need used due to the reserve of electricity and long-time of mobile device
Ask, it is necessary to charged commonly using charging device, and in actual use, often exist to multiple targets to be charged or
One charge target and its stand-by power supply are charged simultaneously, in the case, people generally require to enter the equipment preferentially used
Row major charges.
Such as PDA (Personal Digital Assistant), also known as palm PC, us can be helped to complete moving
Worked in dynamic, study, amusement etc..Classify by use, be divided into technical grade PDA and consumer goods PDA.Technical grade PDA is mainly applied
In industrial circle, common are barcode scanner, RFID reader, POS etc. can be referred to as PDA；PDA needs battery to tie up
Normal operation is held, PDA uses lithium ion battery or alkaline battery etc. to be used as its power supply, power supply is used as using alkaline battery
PDA is seldom, and such as ACER S10, PLAM M100, SONY PEG SL-10, most PDA power supplys use lithium-ion electric
Pond.
At present, Internet of Things industry PDA mainly uses three kinds of seat fill devices, the first：Battery charging is only supported, the equipment needs
The dismountable lithium batteries of PDA are taken out, then lithium battery is positioned in the neck of charging base and charged, it is to be charged complete
Cheng Houzai is reinstalled to inside PDA and used, and it is very poor so to result in Consumer's Experience；Second of only support PDA charging, should
Equipment only has PDA charging necks, without battery charging neck.When client wants to charge this to reserve battery during using PDA
Kind mode is infeasible, and lithium battery, which must put into PDA side, to charge, and thus have impact on PDA service efficiency.The third：
Lithium battery is supported to be charged simultaneously with PDA, in order to reach lithium battery and the purpose of PDA high current quick charges simultaneously, it is necessary to be equipped with
High-power charging adapter, so result in adaptor body product and become big, cost increase, when simultaneously PDA does not insert with lithium battery
When neck is charged, high-power charger, which just seems, particularly to be wasted, and significantly increases user cost.In addition, the equipment
It can not select preferentially to charge to PDA, and lithium battery and PDA charging current can not be adjusted according to actual conditions, it is overall
Scheme is less reasonable.
Utility model content
It is optional that the utility model provides a kind of priority for overcoming above mentioned problem or solving the above problems at least in part
Multichannel current automatic adaptation charging device, solving in existing multichannel charging circuit can not be carried out according to actual use situation
The problem of charging priority adjusts.
According to one side of the present utility model, there is provided a kind of duplex charging device, including MCU Logic control modules and excellent
First level control module and multiple charging circuits；
The charging circuit is used to charge to the charge target of insertion；
The priority control module is used for the priority for setting each charging circuit, and signal priority corresponding to transmission；
The MCU Logic control modules are used for the plug state for detecting each charging circuit, and are respectively filled according to priority distribution
The charging current of circuit.
As preferable, the multiple charging circuit includes PDA charging circuits and lithium battery charging circuit；
The PDA charging circuits are connected with PDA charge control modules, and the PDA charge control modules are used to control PDA to fill
Circuit is turned on and off, and the charging current of PDA charging circuits is set, and whether PDA effectively connects charge circuit detection.
The lithium battery charging circuit includes lithium cell charging control module, and the lithium cell charging control module is used to control
Lithium battery charging circuit processed is turned on and off, lithium cell charging state-detection, and the electric current of lithium battery charging circuit is adjusted
It is whole..
As preferable, the MCU Logic control modules detect PDA charging circuits by pri_PDA, pri_BAT in real time
With the charging priority state of lithium battery charging circuit；Lithium battery charging circuit is turned on and off by BAT_EN signals；Pass through
Whether BAT_CH, BAT_ST signal detection lithium battery are in charging, have been filled with or be not inserted into state；Pass through PDA_control
Signal controls the conducting and disconnection of PDA charging paths；Pass through the size of Pad_current signal detection PDA charging currents.
As preferable, the MCU Logic control modules include microcontroller, the first infrared sensor, the second infrared biography
Sensor；The microcontroller is STM32F103C8T6 microcontrollers, and BOOT0, BOOT1 pin of the microcontroller pass through resistance
Drop-down ground connection, the NRST pin of the microcontroller on resistance by socketing power supply；
The priority control signal pri_PDA connections of 26 pin and PDA of the microcontroller；27 pin of the microcontroller
It is connected with the priority control signal pri_BAT of lithium battery；
32 pin of the microcontroller are connected with 4 pin of the first infrared sensor；33 pin of the microcontroller and second
Infrared sensor pin connects；25 pin of the microcontroller are connected with 2 pin of the first infrared sensor；The 31 of the microcontroller
Pin is connected with 2 pin of the second infrared sensor.
As preferable, the PDA charge control modules include resettable fuse, operational amplification circuit, p-type metal-oxide-semiconductor,
First N-type triode, the second N-type triode, the 3rd N-type triode, in-phase input end and the PDA of the operational amplification circuit fill
The negative terminal connection of circuit, the drain electrode of the p-type metal-oxide-semiconductor are connected with the PDA+ signals of PDA charging circuits, first N-type three
The base stage of pole pipe is connected with the PDA_control signals of MCU Logic control modules, the base stage and MCU of the second N-type triode
The D+_ctr signals connection of Logic control module, the base stage of the 3rd N-type triode and the D_ctr of MCU Logic control modules
Signal is connected, and the amplification output end of the operational amplification circuit is connected with the Pad_current signals of MCU Logic control modules.
As preferable, the lithium cell charging control module includes lithium cell charging control chip, the pole of the 4th N-type three
Pipe, the 5th N-type triode, the 6th N-type triode and lithium cell charging seat；The lithium cell charging control chip fills for TP4056
Electric control chip, the lithium cell charging seat are CBA-2503T-75 lithium cell charging seats；
The base stage of the 4th N-type triode is connected with 30 pin of MCU Logic control modules, the 5th N-type triode
Base stage be connected with 43 pin of MCU Logic control modules, the base stage of the 6th N-type triode and MCU Logic control modules
45 pin are connected, and 7 pin of the lithium cell charging control chip are connected with 29 pin of MCU Logic control modules, and the lithium battery fills
6 pin of electric control chip are connected with 28 pin of MCU Logic control modules；5 pin of the lithium cell charging control chip and lithium electricity
The 3 pin connection of pond cradle；1 pin of the lithium cell charging control chip is connected with 2 pin of lithium cell charging seat.
As preferable, in addition to power management module, the power management module include the first connector, the second connection
Device, LDO chips, first connector, the power input pin of the second connector are connected；The input of the LDO chips with
First connector, the connection of the second connector, output end are connected with the power supply signal of MCU logic control circuits.
As preferable, in addition to base, the base include base body, front of chassis plate, base rear board and bottom
Flap plate；
The base body is provided with the neck that charges corresponding with each charging circuit；
The front of chassis plate is provided with the display lamp for being respectively used to show base power management module, and display charging shape
The indicator lamp of state；
The base rear board is provided with DC sockets, Micro USBs and priority switching switch, the priority slicing
Change switch and connect the priority control module.
The application proposes a kind of optional multichannel current automatic adaptation charging device of priority, by setting priority and basis
Priority height, adaptive adjustment is carried out to the charging current of each target to be charged in actual use, can be according to reality
Border demand utilization low power adapter completes quick charge task, finally realizes cost-effective, and operation is flexible, human oriented design
Products scheme.
Brief description of the drawings
Fig. 1 is the duplex charging device structural representation according to the utility model embodiment；
Fig. 2 is the duplex charging device structured flowchart according to the utility model embodiment；
Fig. 3 is the MCU Logic control module circuit diagrams according to the utility model embodiment；
Fig. 4 is the priority control signal circuit diagram according to the utility model embodiment；
Fig. 5 is the PDA infrared sensor detection circuit figures according to the utility model embodiment；
Fig. 6 is the power input interface circuit diagram according to the utility model embodiment；
It according to the utility model embodiment is LDO power-switching circuit figures that Fig. 7, which is,；
Fig. 8 is the lithium cell charging control module circuit diagram according to the utility model embodiment；
Fig. 9 is the PDA charge control module circuit diagrams according to the utility model embodiment.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
As depicted in figs. 1 and 2, a kind of duplex charging device, including MCU Logic control modules and priority are shown in figure
Control module and multiple charging circuits；
The charging circuit is used to charge to the charge target of insertion；
The priority control module is used for the priority for setting each charging circuit, and signal priority corresponding to transmission；
The MCU Logic control modules are used for the plug state for detecting each charging circuit, and are respectively filled according to priority distribution
The charging current of circuit.
As preferable, the multiple charging circuit includes PDA charging circuits and lithium battery charging circuit；
The PDA charging circuits are connected with PDA charge control modules, and the PDA charge control modules are used to control PDA to fill
Circuit is turned on and off, and the charging current of PDA charging circuits is set, and whether PDA effectively connects charge circuit detection.
The lithium battery charging circuit includes lithium cell charging control module, and the lithium cell charging control module is used to control
Lithium battery charging circuit processed is turned on and off, lithium cell charging state-detection, and the electric current adjustment of lithium battery charging circuit.
Duplex charging device in the present embodiment also includes base body, front of chassis plate, base rear board, base cover
Plate, lithium cell charging control module, PDA charge control modules, MCU Logic control modules, power management module.Also include preferential
Level control module, for setting PDA and lithium cell charging priority, and send pri_PDA, pri_BAT two priority classes letter
Number.
The base body is connected with front of chassis plate, base rear board, base cover plate；
The power management module fills with base rear board, MCU Logic control modules, PDA charge control modules, lithium battery
Electric control module has connection.
The MCU Logic control modules and lithium cell charging control module, PDA charge control modules, base rear board are equal
There is connection；
The base body is connected with PDA charge control modules；
Base body in the device of the present embodiment is used to provide charging neck to PDA and lithium battery, and in PDA card bottom land
A hole position is each side opened at portion midpoint, is used for PDA plug infrared acquisitions.
The front of chassis plate is mainly used in a charging source and lithium cell charging state instruction, respectively by light-guiding pillar by seat
Charging source indicator lamp, lithium cell charging indicator lamp brightness are shown on front panel.Wherein seat charging source indicator lamp uses a list
Colored lights, power supply indicator display is red after seat fills electricity with, and otherwise indicator lamp extinguishes；Battery charging state indicator lamp is double using one
Colored lights, show that red, battery show green after being full of in battery charging, pull out the extinguishing of battery rear indicator light.
The base rear board is mainly used in providing 5V adaptor power supplies DC sockets, Micro USBs and priority
Switching switch.Rear board side is provided with two hole positions, corresponds to DC stands and Micro USB stands on pcb board respectively.Opposite side is pacified
Two priority switching switches are filled, are respectively used to the selection of PDA and lithium cell charging priority, switch is defaulted as low priority shape
State, high priority is then switched to after by lower switch, if the two state consistency, no matter all in high priority or low preferential
Level, PDA charge, otherwise, charged successively according to priority orders simultaneously with lithium battery.
The lithium cell charging control module is mainly used in controlling being turned on and off for lithium cell charging process；Lithium battery fills
Electricity condition detects；The adjustment of lithium cell charging electric current.
The PDA charge control modules are mainly used in controlling the conducting of PDA charging paths and closed；Control PDA charging currents
Set；Whether PDA effectively connects charge circuit detection.
The MCU Logic control modules are mainly used in PDA and lithium battery two priority classes, lithium cell charging indicator lamp control
System, the detection of lithium battery plug state, the detection of PDA plug states.
The MCU Logic control modules of the present embodiment detect the plug state of PDA and lithium battery in real time, when detecting new insertion
, all can decision-making charging scheme again during object to be charged.For example, detect when newly inserting object to be charged, MCU logic controls
Circuit processed first determines whether lithium battery and PDA priority state, when the two priority state is inconsistent, according to priority orders
Charged respectively with respective maximum current, if high priority neck is treated for sky or full of low priority is automatically switched to
Charge target thing；When the two priority state is consistent, if the two is all inserted into, neck etc. is to be charged, all with moderate charging electricity
Reasonable distribution adaptor charge electric current is flowed, if detect an only object to be charged, with the object to be charged
Maximum charging current is charged.The program when using small-power adapter, can adaptive reasonable distribution charging current,
Customer experience can either be improved, and can enough reduces production cost.
Specifically described product casing includes base body, front of chassis plate, base rear board, base cover plate.Base
Main body has two charging necks, and one is uprightly charged for PDA, and another is used for the horizontal charging of lithium battery.Front of chassis plate has
Two light indicator holes, one is used for base power indicator lamp, and when base has 5V plant-grid connections, indicator lamp display is red；Separately
One is used for lithium cell charging status display, and red is shown when lithium battery charges, and lithium battery is green full of display later,
Lamp extinguishes when being not inserted into battery.Base rear board includes a 5V DC socket, a 5V Micro USB, a PDA and filled
Electric priority selecting switch, a lithium cell charging priority selecting switch, DC sockets are used to meet not with Micro USBs
With the power supply adaptor of interface, PDA charging priority selecting switch is defaulted as low priority state, and Gao You is switched to after pressing
First level state, equally, lithium cell charging priority selecting switch are defaulted as low priority state, are switched to after pressing high preferential
Level state.
Specifically described MCU Logic control modules mainly include microcontroller U17, as shown in figure 3, the microcontroller
For STM32F103C8T6, in addition to red light emitting diodes D55, resistance R106, R107, R108, R1, R2, the first infrared sensing
Device U22, the second infrared sensor U23, TVS pipe D61, D62, D63, D64.
Wherein, BOOT0, BOOT1 pin of the microcontroller are grounded by R107, R108 resistive pull-downs；The microcontroller
The NRST pin of device on R106 resistance by socketing VCC3；The pin of microcontroller 31 and the BAT_EN of lithium cell charging control module
Signal connects；The pin of microcontroller 30 is connected with the BAT_CH signals of lithium cell charging control module；The microcontroller 29
Pin is connected with the BAT_ST signals of lithium cell charging control module；The pin of microcontroller 2 and the PDA_ of PDA charge control modules
Control signals connect；The pin of microcontroller 17 is connected with the Pad_current signals of PDA charge control modules；It is described micro-
The pin of controller 12 is connected with the D+_ctr signals of PDA charge control modules；The pin of microcontroller 13 and PDA charge control moulds
The D-_ctr signals connection of block；The D+_mini signals connection of the pin of microcontroller 10 and power management module；The microcontroller
The D-_mini signals of the pin of device 11 and power management module connect；
As shown in figure 4,26 pin of the microcontroller are connected with PDA charging priority control signals pri_PDA；It is described micro-
27 pin of controller are connected with lithium cell charging priority control signal pri_BAT；
As shown in figure 5,32 pin of the microcontroller are connected with the first infrared sensor U22 4 pin；The microcontroller
33 pin be connected with the second infrared sensor U23 4 pin；2 pin of 25 pin of the microcontroller and the first infrared sensor U22
Connection；31 pin of the microcontroller are connected with the second infrared sensor U23 2 pin；
On base after electricity, power supply indicator display is red.MCU passes through the first infrared sensor U22, the second infrared sensor
Two infrared sensors of U23 detect whether PDA inserts neck in real time；MCU detected in real time by pri_PDA, pri_BAT PDA with
The charging priority state of lithium battery, Pri (Primary Rate Interface, PRI)；MCU passes through BAT_EN
Signal is turned on and off lithium cell charging management IC；Whether MCU is by BAT_CH, BAT_ST signal detection lithium battery in charging
In, have been filled with or be not inserted into state；MCU controls the conducting and disconnection of PDA charging paths by PDA_control signals；MCU leads to
Cross the size of Pad_current signal detection PDA charging currents；
Specifically described power management module includes the first connector CON1, the second connector J12, TVS pipe D56,
D60, electric capacity C129, C130, C134, C135, C125, C126, C127, C128, resistance R120, R121, R122, LDO chips
U20。
Wherein, as shown in fig. 6, the first connector CON1 of the power management module, the second connector J12 power inputs
Pin is connected, and all provides VCC5 power supplys to lithium cell charging control module and PDA charge control modules；First connector
CON1 and the second connector J12 also provides VCC5 power inputs to 1 pin of LDO chips；
As shown in fig. 7, the LDO chips U20 inputs are connected with connector CON1, J12, output end and MCU power supply
Signal connects.
The program has two kinds of plant-grid connection modes, and one kind is to input 5V2A power supplys by Micro USB interfaces CON1, separately
One kind is to input 5V2A power supplys by DC interfaces J12；The 5V power supplys are used for PDA and charged all the way, and the second tunnel is used for lithium cell charging,
5V is converted into 3.3V by LDO chips U20 and is used for MCU working powers by the 3rd tunnel.
Specifically described lithium cell charging control module includes dichromatic LED D52, the N-type of N-type triode the 4th
Triode Q4, the 5th N-type triode Q5, the 6th N-type triode Q6, lithium cell charging chip U18, resistance R109, R110,
R111, R112, R113, R114, TVS pipe D53, D54, electric capacity C123, C124, lithium cell charging seat J41.Wherein,
As shown in figure 8, the base stage of the tetrode Q4 and MCU 30 pin connect, the base stage of the 5th triode Q5
It is connected with MCU 43 pin；The base stage of the 6th triode Q6 and MCU 45 pin connect；7 pin of the U18 and MCU 29 pin
Connection；6 pin of the U18 and MCU 28 pin connect；6,7 pin of the U18 pass through 220 Europe resistance and dual color light emitting two respectively
The negative pole connection of pole pipe；5 pin of the U18 are connected with 3 pin of lithium cell charging seat；1 pin of the U18 and lithium cell charging seat
2 pin connection；
MCU is by controlling the 4th triode Q4 base levels enabling with forbidding come indirect control U18 chips, when U18 cores
To lithium cell charging and battery status can be detected after piece is enabled, after U18 chips are forbidden, stopped to lithium cell charging and can not
Detect lithium battery state.When lithium battery starts to charge up, U18 7 pin output low level, D52 red light is brightened and MCU 29 pin are adopted
Collection trailing edge charging signals simultaneously preserve lithium battery current state；When lithium battery is full of, U18 7 pin export high level, and 6 pin are defeated
Go out low level, now, D52 green light, which sends out a warning, to go out, and MCU 28 pin can collect the trailing edge pulse that battery is full of, MCU
Inside has been filled with lithium battery state by being switched in charging.MCU is by controlling the 5th N-type triode Q5, the 6th N-type triode
Charging current from Q6 base level indirect control U8 to lithium battery, when the 5th N-type triode Q5 base stages be high level, the 6th N-type
When triode Q6 base stages are low level, battery charge 1A；When the 5th N-type triode Q5 base stages are low level, the 6th N-type
When triode Q6 base stages are high level, battery charge 500mA.
Specifically described PDA charge control modules include resettable fuse F2, amplifier U21, p-type metal-oxide-semiconductor U19, the
One N-type triode Q3, the second N-type triode Q7, the 3rd N type triode Q8, TVS pipe D57, D58, D59.Wherein,
As shown in figure 9, the in-phase input end of the amplifier and PDA negative terminal connect；The source electrode of the p-type metal-oxide-semiconductor passes through 0
Europe resistance is connected with VCC5 power supplys；The drain electrode of the p-type metal-oxide-semiconductor is connected with PDA+ signals；The base of the first N-type triode Q3
Pole and MCU PDA_control signals connect；The base stage of the N-type triode and MCU PDA_control signals connect；Institute
State amplifier U21 amplification output end and MCU Pad_current signals connect.
After MCU control module detects PDA insertions by infrared sensor, and detect that PDA is in high priority
State or the two be in equal priority, first by PDA_control signal output high level, triode Q3 conductings, now P
Type metal-oxide-semiconductor U19 grounded-grids, source electrode are turned on drain electrode, and 5V charge power supplies are provided to PDA cradles contact J14.MCU leads to simultaneously
The charging priority state for judging PDA and lithium battery is crossed, decision-making PDA charging currents, is then configured using Q7, Q8 base level
PDA charging currents.In addition in U19 conducting moment detection Pad_current magnitudes of voltage, self- recoverage is flowed through using magnitude of voltage detection
Fuse F2 current value, judge whether PDA effectively accesses base charging neck by the current value.In addition, the electricity for passing through F2
Flow valuve can detect whether PDA is full of, and after PDA is full of, PDA_control signal output low levels, closes p-type metal-oxide-semiconductor, cut
Disconnected PDA charging paths.
The application proposes a kind of optional multichannel current automatic adaptation charging device of priority, by setting priority and basis
Priority height, adaptive adjustment is carried out to the charging current of each target to be charged in actual use, can be according to reality
Border demand utilization low power adapter completes quick charge task, finally realizes cost-effective, and operation is flexible, human oriented design
Products scheme.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of protection of the utility model.
All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., should be included in this reality
Within new protection domain.
Claims (8)
1. a kind of duplex charging device, it is characterised in that including MCU Logic control modules and priority control module and multiple fill
Circuit；
The charging circuit is used to charge to the charge target of insertion；
The priority control module is used for the priority for setting each charging circuit, and signal priority corresponding to transmission；
The MCU Logic control modules are used for the plug state for detecting each charging circuit, and according to each charging electricity of priority distribution
The charging current on road.
2. duplex charging device according to claim 1, it is characterised in that the multiple charging circuit charges including PDA
Circuit and lithium battery charging circuit；
The PDA charging circuits are connected with PDA charge control modules, and the PDA charge control modules are used to control PDA charging electricity
Road is turned on and off, and the charging current of PDA charging circuits is set, and whether PDA effectively connects charge circuit detection；
The lithium battery charging circuit includes lithium cell charging control module, and the lithium cell charging control module is used to control lithium
Battery charger is turned on and off, lithium cell charging state-detection, and the electric current adjustment of lithium battery charging circuit.
3. duplex charging device according to claim 1, it is characterised in that the MCU Logic control modules pass through pri_
PDA, pri_BAT detect the charging priority state of PDA charging circuits and lithium battery charging circuit in real time；Pass through BAT_EN signals
It is turned on and off lithium battery charging circuit；Whether it is in charging, is had been filled with by BAT_CH, BAT_ST signal detection lithium battery
Or it is not inserted into state；The conducting and disconnection of PDA charging paths are controlled by PDA_control signals；Believed by Pad_current
Number detection PDA charging currents size.
4. duplex charging device according to claim 3, it is characterised in that the MCU Logic control modules include micro-control
Device processed, the first infrared sensor, the second infrared sensor；The microcontroller is STM32F103C8T6 microcontrollers, described micro-
BOOT0, BOOT1 pin of controller are grounded by resistive pull-downs, and the NRST pin of the microcontroller on resistance by socketing power supply；
The priority control signal pri_PDA connections of 26 pin and PDA of the microcontroller；27 pin and lithium of the microcontroller
The priority control signal pri_BAT connections of battery；
32 pin of the microcontroller are connected with 4 pin of the first infrared sensor；33 pin of the microcontroller and second infrared
Sensor pin connects；25 pin of the microcontroller are connected with 2 pin of the first infrared sensor；31 pin of the microcontroller with
The 2 pin connection of second infrared sensor.
5. duplex charging device according to claim 4, it is characterised in that the PDA charge control modules are included from extensive
Double insurance silk, operational amplification circuit, p-type metal-oxide-semiconductor, the first N-type triode, the second N-type triode, the 3rd N-type triode, it is described
The in-phase input end of operational amplification circuit is connected with the negative terminal of PDA charging circuits, drain electrode and the PDA charging electricity of the p-type metal-oxide-semiconductor
The PDA+ signals connection on road, the base stage of the first N-type triode connect with the PDA_control signals of MCU Logic control modules
Connect, the base stage of the second N-type triode is connected with the D+_ctr signals of MCU Logic control modules, the 3rd N-type triode
Base stage be connected with the D_ctr signals of MCU Logic control modules, the amplification output end of the operational amplification circuit and MCU logics
The Pad_current signals connection of control module.
6. duplex charging device according to claim 4, it is characterised in that the lithium cell charging control module includes lithium
Battery charge controlling chip, the 4th N-type triode, the 5th N-type triode, the 6th N-type triode and lithium cell charging seat；It is described
Lithium cell charging control chip is TP4056 charge controlling chips, and the lithium cell charging seat is that CBA-2503T-75 lithium batteries fill
Electric seat；
The base stage of the 4th N-type triode is connected with 30 pin of MCU Logic control modules, the base of the 5th N-type triode
Pole is connected with 43 pin of MCU Logic control modules, the base stage of the 6th N-type triode and 45 pin of MCU Logic control modules
Connection, 7 pin of the lithium cell charging control chip are connected with 29 pin of MCU Logic control modules, the lithium cell charging control
6 pin of coremaking piece are connected with 28 pin of MCU Logic control modules；5 pin of the lithium cell charging control chip fill with lithium battery
The 3 pin connection of electric seat；1 pin of the lithium cell charging control chip is connected with 2 pin of lithium cell charging seat.
7. duplex charging device according to claim 1, it is characterised in that also including power management module, the power supply
Management module includes the first connector, the second connector, LDO chips, first connector, the power input of the second connector
Pin is connected；The input of the LDO chips is connected with the first connector, the second connector, output end and MCU logic controls electricity
The power supply signal connection on road.
8. duplex charging device according to claim 7, it is characterised in that also include base including base, the base
Main body, front of chassis plate, base rear board and base cover plate；
The base body is provided with the neck that charges corresponding with each charging circuit；
The front of chassis plate is provided with the display lamp for being respectively used to show base power management module, and shows charged state
Indicator lamp；
The base rear board is provided with DC sockets, Micro USBs and priority switching switch, and the priority switching is opened
Connection connects the priority control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585855.4U CN207039219U (en) | 2017-05-24 | 2017-05-24 | A kind of optional multichannel current automatic adaptation charging device of priority |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585855.4U CN207039219U (en) | 2017-05-24 | 2017-05-24 | A kind of optional multichannel current automatic adaptation charging device of priority |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039219U true CN207039219U (en) | 2018-02-23 |
Family
ID=61469599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720585855.4U Active CN207039219U (en) | 2017-05-24 | 2017-05-24 | A kind of optional multichannel current automatic adaptation charging device of priority |
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| Country | Link |
|---|---|
| CN (1) | CN207039219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086631A (en) * | 2017-05-24 | 2017-08-22 | 西安富立叶微电子有限责任公司 | A kind of optional multichannel current automatic adaptation charging device of priority |
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2017
- 2017-05-24 CN CN201720585855.4U patent/CN207039219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086631A (en) * | 2017-05-24 | 2017-08-22 | 西安富立叶微电子有限责任公司 | A kind of optional multichannel current automatic adaptation charging device of priority |
| CN107086631B (en) * | 2017-05-24 | 2023-12-05 | 西安富立叶微电子有限责任公司 | Multi-channel current self-adaptive charging device with selectable priority |
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