CN206471881U - A kind of charged state indicating circuit and phone universal battery charging device - Google Patents
A kind of charged state indicating circuit and phone universal battery charging device Download PDFInfo
- Publication number
- CN206471881U CN206471881U CN201720079730.4U CN201720079730U CN206471881U CN 206471881 U CN206471881 U CN 206471881U CN 201720079730 U CN201720079730 U CN 201720079730U CN 206471881 U CN206471881 U CN 206471881U
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- China
- Prior art keywords
- charging
- battery
- charged state
- indicating circuit
- state indicating
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of charged state indicating circuit and phone universal battery charging device, wherein, the charged state indicating circuit is included for the power supply interface module for connecting external power source, the battery interface module for connecting battery to be charged, for the charging module of charging status information to be charged and exported to the battery to be charged, power supply interface module and the battery interface module is all connected with the charging module, it is simple to operate by charging module intelligent display charged state.And it is convenient and swift learn present battery status, improve test and maintenance efficiency.
Description
Technical field
The utility model is related to charging technique field, more particularly to a kind of charged state indicating circuit and phone universal battery charging
Device.
Background technology
With the demand of the development amount of mobile phone, complete machine MMI tests, the activation of battery material, maintenance are required for electricity using battery
Measure sufficient support, and occur in battery use not enough power supply, low battery do not charge, battery self-protection state, battery electricity
Amount is, it is necessary to which the substantial amounts of time charges and manual actuation battery situations such as exhaust, and this process needs special messenger to follow up, during wait
Between many, complex operation, it is impossible to clear learns current rechargeable battery state, and test and maintenance efficiency is low.
Thus prior art could be improved and improve.
Utility model content
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is that providing a kind of charged state indicates electricity
Road and phone universal battery charging device, can intelligent display charged state, it is simple to operate, and it is convenient and swift learn present battery status,
Improve test and maintenance efficiency.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of charged state indicating circuit, it include be used for connect external power source power supply interface module, for connect treat
The battery interface module of rechargeable battery, for the charging of charging status information to be charged and exported to the battery to be charged
Module, power supply interface module and the battery interface module is all connected with the charging module.
In described charged state indicating circuit, the charging module includes charging chip, for setting charging current big
Small setting unit and the first indicator unit and the second indicator unit for exporting corresponding indicator lamp according to charged state,
The setting unit connects the PROG ends of charging chip, and first indicator unit connects the CHRG ends of charging chip, described
Second indicator unit connects the STDBY ends of charging chip.
In described charged state indicating circuit, the power supply interface module includes the USB interface for being used to connect USB power source
With the electrode interface for connecting dc source；The USB interface and electrode interface are all connected with charging module.
In described charged state indicating circuit, the setting unit includes first resistor, first indicator unit
Including second resistance and the first light emitting diode, second indicator unit includes 3rd resistor and the second light emitting diode,
The charging module also includes the 4th resistance, the first electric capacity and the second electric capacity；The PROG ends of the charging chip pass through described
One resistance eutral grounding, the VCC ends of the charging chip connect the VBUS ends of the USB interface, the CE ends of charging chip and the 4th electricity
One end of resistance, the other end of the 4th resistance connects one end of the first electric capacity, the electrode input end of electrode interface, first lighted
The positive pole of the positive pole of diode and the second light emitting diode；The other end ground connection of first electric capacity, the motor interface it is negative
Pole input end grounding；The negative pole of first light emitting diode is grounded by second resistance；Second light emitting diode it is negative
Pole is grounded by 3rd resistor；The BAT ends of the charging chip connect battery interface module, also pass through the second capacity earth.
In described charged state indicating circuit, first light emitting diode is red light-emitting diode, described second
Light emitting diode is green light LED.
In described charged state indicating circuit, the battery interface module, which includes several, to be used to connect different batteries
Battery interface, the BAT ends of each battery interface connect the BAT ends of the charging chip, the GND ends ground connection of each battery interface.
In described charged state indicating circuit, the model TP4056 of the charging chip.
In described charged state indicating circuit, the USB interface uses Type B 5Pin interfaces.
Pcb board is provided with a kind of phone universal battery charging device, including shell, the shell, wherein, on the pcb board
It is provided with charged state indicating circuit as described above.
In the charged state indicating circuit and phone universal battery charging device that are provided compared to prior art, the utility model,
The charged state indicating circuit includes being used to connect the power supply interface module of external power source, the electricity for connecting battery to be charged
Pond interface module, for the charging module of charging status information, the power supply to be charged and exported to the battery to be charged
Interface module and battery interface module are all connected with the charging module, pass through charging module intelligent display charged state, operation letter
It is single, and it is convenient and swift learn present battery status, improve test and maintenance efficiency.
Brief description of the drawings
The circuit diagram for the charged state indicating circuit that Fig. 1 provides for the utility model.
Embodiment
The utility model provides a kind of charged state indicating circuit and phone universal battery charging device, convenient and swift can learn and work as
Preceding battery status, improves test and maintenance efficiency.
To make the purpose of this utility model, technical scheme and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.It should be appreciated that specific embodiment described herein is only to explain this practicality
It is new, it is not used to limit the utility model.
Referring to Fig. 1, the charged state indicating circuit that the utility model is provided includes the power supply for being used to connect external power source
Interface module 10, the battery interface module 20 for connecting battery to be charged, for being charged, simultaneously to the battery to be charged
The charging module 30 of charging status information is exported, the power supply interface module 10 and battery interface module 20 are all connected with the charging
Module 30.Charging status information is exported according to current battery charging state by charging module 30 in real time, makes maintainability test people
Member cheer and bright can learn present battery status, on duty without wasting a large amount of manpowers, improve test and maintenance efficiency.
Specifically, the charging module 30 includes charging chip U1, the setting unit 301 for setting charging current
With the first indicator unit 311 and the second indicator unit 312 for exporting corresponding indicator lamp according to charged state, by filling
Electrical chip U1 intelligent control charging processes, such as intelligent control charging temperature, maximum charging current, and the intelligence when charging is full of
Can end etc., charging security is improved, and finger accordingly is exported according to charged state by using different indicator units
Show lamp information, for example, control the first indicator unit 311 to open when charging and carrying out, the second indicator unit 312 is closed, and
The first indicator unit 311 is controlled to close during charging complete, the second indicator unit 312 is opened, and realizes charging status information
Output, in addition also by the size of the Intelligent adjustment charging current of setting unit 301, charged with being adapted to different types of battery.
In the present embodiment, the model TP4056 of the charging chip U1, its maximum programmable charging current is 1000mA,
And without MOSFET（Metal-oxide half field effect transistor, Metal Oxide Semiconductor Field Effect
Transistor）, detection resistance device or isolating diode, its precision can reach ± 1.5% 4.2V preset charge voltages, is applicable
In single-unit lithium ion battery, the full linear charger encapsulated using SOP.The specific connection of the setting unit 301 charging core
Piece U1 PROG ends, the CHRG ends of the connection charging chip of the first indicator unit 311 U1, second indicator unit
312 connection charging chip U1 STDBY ends.
Further, the power supply interface module 10 is including for connecting the USB interface J1 of USB power source and for connecting directly
Flow the electrode interface J2 of power supply；The USB interface J1 and electrode interface J2 are all connected with charging module 30.I.e. the utility model is provided
Charged state indicating circuit can be charged by two ways, one kind is connection USB power source, another straight to be directly connected to
Power supply is flowed, such as DC 4V power supplys, user can select according to actual needs, be brought convenience to maintainability test.In the present embodiment,
The USB interface J1 uses Type B 5Pin interfaces.
Preferably, the battery interface module 20 includes the battery interface that several are used to connect different batteries, each electricity
The BAT ends of pond interface are connected in the BAT ends of the charging chip U1, the GND ends ground connection of each battery interface, the present embodiment, institute
Battery interface quantity is stated for five（J3, J4, J5, J6 and J7 are designated as in figure respectively）, to be adapted to the battery without species, specifically may be used
It is adjusted according to actual needs, the utility model is not construed as limiting to this.
Further, the setting unit 301 includes first resistor R1, and first indicator unit 311 includes second
Resistance R2 and the first LED 1, second indicator unit 312 include 3rd resistor R3 and the second light-emitting diodes
Pipe LED2, the charging module 30 also includes the 4th resistance R4, the first electric capacity C1 and the second electric capacity C2；The charging chip U1's
PROG ends are grounded by the first resistor R1, the VCC ends connection USB interface J1 of charging chip U1 VBUS ends,
Charging chip U1 CE ends and the 4th resistance R4 one end, the other end of the 4th resistance R4 connect the one of the first electric capacity C1
End, electrode interface J2 electrode input end, the positive pole of the positive pole of the first LED 1 and the second LED 2；
The other end ground connection of the first electric capacity C1, the negative input ground connection of the motor interface；First light emitting diode
LED1 negative pole is grounded by second resistance R2；The negative pole of second LED 2 is grounded by 3rd resistor R3；
The BAT ends of the charging chip U1 connect battery interface module 20, also pass through the second electric capacity C2 ground connection.It is described in the present embodiment
First LED 1 is red light-emitting diode, and second LED 2 is green light LED.
When charging module 30 charges to battery, charging chip U1 CHRG pins move low electricity to by chip internal switch
It is flat, represent that charging is carried out, now the first LED 1 is opened, i.e., now show red light, otherwise at CHRG pins
In high-impedance state, the first LED 1 does not work；When charging is complete, charging chip U1 STDBY pins are opened by inside
Pass moves low level to, represents charging complete, and now the second LED 2 is opened, i.e., now show green light, otherwise STDBY
Pin is in high-impedance state, and the second LED 2 does not work, it is achieved thereby that exporting corresponding according to different charged states
Indicator lamp information, improve maintainability test efficiency.
Preferably, charging current is programmed by being connected to the first resistor R1 of PROG pins, realizes charging current
Adjustability, second resistance R2,3rd resistor R3 and the 4th resistance R4 mainly play metering function, the first electric capacity C1 and the second electric capacity
C2 mainly strobes.
The utility model correspondingly provides in a kind of phone universal battery charging device, including shell, the shell and is provided with PCB
Plate, wherein, charged state indicating circuit as described above is provided with the pcb board, due to above to the charged state
Indicating circuit is described in detail, and is not described further herein.
In summary, it is described to fill in the utility model is provided charged state indicating circuit and phone universal battery charging device
Electricity condition indicating circuit includes being used to connect the power supply interface module of external power source, the battery interface for connecting battery to be charged
Module, for the charging module of charging status information, the power interface mould to be charged and exported to the battery to be charged
Block and battery interface module are all connected with the charging module, simple to operate by charging module intelligent display charged state.And side
Just present battery status is fast learnt, test and maintenance efficiency is improved.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (8)
1. a kind of charged state indicating circuit, it is characterised in that including the power supply interface module for connecting external power source, be used for
Connect the battery interface module of battery to be charged, for charging status information to be charged and exported to the battery to be charged
Charging module, power supply interface module and the battery interface module is all connected with the charging module.
2. charged state indicating circuit according to claim 1, it is characterised in that the charging module includes charging core
Piece, the setting unit for setting charging current and the first indicator lamp for exporting corresponding indicator lamp according to charged state
Unit and the second indicator unit, the model TP4056 of the charging chip, the setting unit connection charging chip
PROG ends, first indicator unit connects the CHRG ends of charging chip, and second indicator unit connects charging chip
STDBY ends.
3. charged state indicating circuit according to claim 2, it is characterised in that the power supply interface module includes being used for
Connect the USB interface of USB power source and the electrode interface for connecting dc source；The USB interface and electrode interface are all connected with
Charging module.
4. charged state indicating circuit according to claim 3, it is characterised in that the setting unit includes the first electricity
Resistance, first indicator unit includes second resistance and the first light emitting diode, and second indicator unit includes the 3rd
Resistance and the second light emitting diode, the charging module also include the 4th resistance, the first electric capacity and the second electric capacity；The charging core
The PROG ends of piece are grounded by the first resistor, and the VCC ends of the charging chip connect the VBUS ends of the USB interface, filled
The CE ends of electrical chip and one end of the 4th resistance, the other end of the 4th resistance connect one end of the first electric capacity, electrode interface
Electrode input end, the positive pole of the positive pole of the first light emitting diode and the second light emitting diode；The other end of first electric capacity
Ground connection, the negative input ground connection of the electrode interface；The negative pole of first light emitting diode is grounded by second resistance；Institute
The negative pole for stating the second light emitting diode is grounded by 3rd resistor；The BAT ends of the charging chip connect battery interface module, gone back
Pass through the second capacity earth.
5. charged state indicating circuit according to claim 4, it is characterised in that first light emitting diode is feux rouges
Light emitting diode, second light emitting diode is green light LED.
6. charged state indicating circuit according to claim 2, it is characterised in that the battery interface module includes some
The individual battery interface for being used to connect different batteries, the BAT ends of each battery interface connect the BAT ends of the charging chip, each
The GND ends ground connection of battery interface.
7. charged state indicating circuit according to claim 3, it is characterised in that the USB interface is connect using Type B 5Pin
Mouthful.
8. it is provided with pcb board in a kind of phone universal battery charging device, including shell, the shell, it is characterised in that the PCB
Set on plate just like the charged state indicating circuit described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079730.4U CN206471881U (en) | 2017-01-22 | 2017-01-22 | A kind of charged state indicating circuit and phone universal battery charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079730.4U CN206471881U (en) | 2017-01-22 | 2017-01-22 | A kind of charged state indicating circuit and phone universal battery charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471881U true CN206471881U (en) | 2017-09-05 |
Family
ID=59704218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720079730.4U Expired - Fee Related CN206471881U (en) | 2017-01-22 | 2017-01-22 | A kind of charged state indicating circuit and phone universal battery charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022087875A1 (en) * | 2020-10-28 | 2022-05-05 | 广东健奥科技有限公司 | Circuit, method, and oximeter for indicating power supply by applying double-color light-emitting diode |
-
2017
- 2017-01-22 CN CN201720079730.4U patent/CN206471881U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022087875A1 (en) * | 2020-10-28 | 2022-05-05 | 广东健奥科技有限公司 | Circuit, method, and oximeter for indicating power supply by applying double-color light-emitting diode |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20180122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |