CN208078690U - A kind of solar charger circuit adaptively exported - Google Patents
A kind of solar charger circuit adaptively exported Download PDFInfo
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- CN208078690U CN208078690U CN201820507585.XU CN201820507585U CN208078690U CN 208078690 U CN208078690 U CN 208078690U CN 201820507585 U CN201820507585 U CN 201820507585U CN 208078690 U CN208078690 U CN 208078690U
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Abstract
A kind of solar charger circuit adaptively exported, the circuit include：BUCK circuits, charging detecting circuit and charging control circuit.BUCK circuits are main circuit, provide charge circuit for solar components, charging detecting circuit and charging control circuit are the control circuits for serving main circuit.Charging detecting circuit is connected with the input port of BUCK circuits, output port, detects the output voltage, mobile electronic device port voltage and charging current of solar components；Charging control circuit and charging detecting circuit, BUCK circuits are connected, the signal detected according to charging detecting circuit, the matched charging voltage of control BUCK circuit outputs institute to mobile electronic device port.The utility model carries out voltage detecting to the port of mobile electronic device to be charged, determine the charging voltage that mobile electronic device matches, it is the matched voltage value of the mobile electronic device that the high voltage that solar components are exported is depressured by BUCK circuits, then is charged for it.
Description
Technical field
The utility model is related to a kind of solar charger circuits.
Background technology
Solar recharging has been widely used for mobile electronic device, convenient and efficient, as long as have sunlight at any time with
It charges to mobile electronic device on ground.The output voltage of most of solar charger currently on the market is fixed, and can only be matched pair
Answer the mobile electronic device of voltage class.The charging voltage of mobile phone and tablet is more unified, is all 5V, however laptop
Charging voltage has 7.4V, 10.8V, 11.1V, 14.4V, 14.8V, 19.5V etc. because different brands different series are different.It is right
Different charging voltages can only use different solar chargers, limit the popularization of solar charger to a certain extent.
Utility model content
The purpose of this utility model is to provide a kind of solar charger circuit adaptively exported, disclosure satisfy that different electricity
Press the charge requirement of grade mobile electronic device.
The utility model includes：BUCK circuits, charging detecting circuit and charging control circuit.BUCK circuits are main circuit,
Charge circuit is provided for solar energy, charging detecting circuit and charging control circuit are the control circuits for serving main circuit.Charging
Detection circuit includes solar components voltage detecting circuit, charging current detecting circuit and mobile electronic device voltage detecting electricity
Road, the solar components voltage detecting circuit detect the output voltage of solar components, charging current detection electricity
Alignment detection circuit detects mobile electronic device charging current, and the mobile electronic device voltage detecting circuit detects mobile electron
The port voltage of equipment；The input terminal of the input terminal and BUCK circuits of the solar components voltage detecting circuit of charging detecting circuit
It is connected, the input terminal of the charging current detecting circuit of charging detecting circuit is connected with the accurate sampling resistor R2 of BUCK circuits, fills
The input terminal of the mobile electronic device voltage detecting circuit of power detection circuit is connected with the output end of BUCK circuits；Charge control electricity
The input terminal on road is connected with charging detecting circuit output end, and the output end of charging control circuit is with the metal-oxide-semiconductor Q1's of BUCK circuits
Grid is connected, the signal detected according to charging detecting circuit, the matched charging voltage of control BUCK circuit outputs institute to movement
Electronic device port.The BUCK circuits, for reducing solar components output high voltage to match different voltages grade
The charging of mobile electronic device；The charging detecting circuit is used to be detected the port voltage of the mobile electronic device,
Confirm the charging voltage of the mobile electronic device；The charging control circuit, according to the detection feedback signal received, control
System exports the matched charging voltage of institute to the mobile electronic device port.
The charging detecting circuit includes charging voltage data library, stores most mobile electronic devices in the market
Charging voltage value.
The charging control circuit is realized by changing the size of the switching frequency of switching tube in BUCK circuits, duty ratio
It is the matched voltage value of mobile electronic device to be charged by the high voltage decompression of solar components output.
The charging control circuit further includes, and in charging process, in case of short circuit or open circuit, then voltage is automatically closed
Output.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the BUCK circuits of the utility model；
Fig. 3 a are the solar components voltage detecting circuit schematic diagrams of the charging detecting circuit of the utility model；
Fig. 3 b are the charging current detecting circuit schematic diagrams of the charging detecting circuit of the utility model；
Fig. 3 c are the mobile electronic device voltage detecting circuit schematic diagrams of the charging detecting circuit of the utility model；
Fig. 4 is the charging control circuit of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the utility model includes：BUCK circuits, charging detecting circuit, charging control circuit.BUCK circuits
For main circuit, charge circuit is provided for solar energy, charging detecting circuit and charging control circuit are the control for serving main circuit
Circuit.Charging detecting circuit includes solar components voltage detecting circuit, charging current detecting circuit and mobile electronic device electricity
Detection circuit, the solar components voltage detecting circuit is pressed to detect the output voltage of solar components, charging electricity
Current detection circuit detection circuit detects mobile electronic device charging current, mobile electronic device voltage detecting circuit detection
The port voltage of mobile electronic device；The input terminal of the solar components voltage detecting circuit of charging detecting circuit and BUCK circuits
Input terminal be connected, the input terminal of the charging current detecting circuit of charging detecting circuit and the accurate sampling resistor R2 of BUCK circuits
It is connected, the input terminal of the mobile electronic device voltage detecting circuit of charging detecting circuit is connected with the output end of BUCK circuits, inspection
Output voltage, mobile electronic device charging current and the port voltage of shoot the sun energy component；The input terminal of charging control circuit with
Charging detecting circuit output end is connected, and the output end of charging control circuit is connected with the grid of the metal-oxide-semiconductor Q1 of BUCK circuits, according to
The signal that charging detecting circuit detects, the matched charging voltage of control BUCK circuit outputs institute to mobile electronic device port.
As shown in Fig. 2, the high voltage that the BUCK circuits export for reducing solar components is to match different voltages
The charging of the mobile electronic device of grade；Its middle port PV+ connects the anode of solar components, and port PV- connects solar components
Cathode, the anode of port CH+ reception charging mobile electronic devices, the cathode of port CH- tape splicings charging mobile electronic device.BUCK
Circuit includes diode D1, D2, capacitance C1, C2, C3, resistance R1, metal-oxide-semiconductor Q1 and inductance L1.The cathode of wherein diode D1 connects
Port PV-, the anode of diode D1 connect the cathode of capacitance C1, and the anode of capacitance C1 meets port PV+, and the drain electrode of metal-oxide-semiconductor Q1 connects end
Mouth PV+, the source electrode of metal-oxide-semiconductor Q1 connect the cathode of diode D2, and the grid of metal-oxide-semiconductor Q1 connects the 22nd pipe of microcontroller KF1 shown in Fig. 4
Foot；Resistance R1 is connected in parallel between the source electrode and grid of metal-oxide-semiconductor Q1, and the anode of diode D2 meets port CH-；A termination of inductance L1
The source electrode of metal-oxide-semiconductor, another termination port CH+ of inductance L1；Capacitance C2 and C3 are connected in parallel between port CH+ and CH-.
BUCK circuits are using metal-oxide-semiconductor Q1 as switching device.When grid input high level, metal-oxide-semiconductor Q1 conductings, solar energy
Component charges to mobile electronic device；When grid input low level, metal-oxide-semiconductor Q1 shutdowns, charging current is through diode D2 afterflows.
In order to keep charging current continuous and pulsation is small, inductance L1 inputs the pwm signal duty ratio of metal-oxide-semiconductor Q1 grids by adjusting, can be with
Realize the change of output voltage.Resistance R1 is to provide bleed-off circuit for the grid and source capacitance of metal-oxide-semiconductor Q1, reaches quick pass
Disconnected purpose.Resistance R2 is accurate sampling resistor, provides the sampling of charging current, and diode D1 is used for the counnter attack of solar components
Connect protection.
The charging detecting circuit confirms the shifting for being detected to the port voltage of the mobile electronic device
The charging voltage of dynamic electronic equipment, including solar components voltage detecting circuit, charging current detecting circuit and mobile electron are set
Standby voltage detecting circuit.
As shown in Figure 3a, in solar components voltage detecting circuit, resistance R79, R7, R6, R82, R29, R30, capacitance
C16, amplifier KF3A form differential amplifier circuit, the port voltage for acquiring solar components.Wherein resistance R79, R7, R6 according to
Secondary series connection, a termination port PV+ of series arm, another termination amplifier of another termination port CH- of series arm, resistance R6
The 3rd pin of KF3A；Resistance R82, R29, R30 series connection, a termination port PV- of series arm, another termination of series arm
The 1st pin of amplifier KF3A, resistance R30 is in parallel with capacitance C16, the 2nd pin of a termination amplifier KF3A of resistance R30, resistance
1st pin of the 1st pin of another termination amplifier KF3A of R30, amplifier KF3A connects the 2nd pipe of microcontroller KF1 shown in Fig. 4
Foot.
As shown in Figure 3b, in charging current detecting circuit, resistance R2, R21, R28, R14, R5 and amplifier KF3B compositions
Differential amplifier circuit, the charging current value for being flowed through in accurate sampling resistor R2；Wherein resistance R21, R28 connects, series connection branch
The upper end of the one terminating resistor R2 on road, another termination amplifier KF3B's of another termination port CH- of series arm, resistance R28
5th pin；Resistance R14, R5 series connection, the lower end of a terminating resistor R2 of series arm, another termination amplifier of series arm
The 7th pin of KF3B, the 6th pin of another termination amplifier KF3B of resistance R5, the 7th pin for putting KF3B connect list shown in Fig. 4
The 19th pin of piece machine KF1.
As shown in Figure 3c, in mobile electronic device voltage detecting circuit, resistance R11, R77 and capacitance C41 composition voltages are adopted
Sample circuit acquires the port voltage of mobile electronic device to be charged.A termination port CH+ of resistance R11, resistance R11's is another
End is connected to the 1st pin of microcontroller KF1 shown in Fig. 4, another termination port CH- of resistance R77, capacitance with mono- ends resistance R77
C41 is in parallel with resistance R77.
As shown in figure 4, charging control circuit is according to the detection feedback signal for receiving charging detecting circuit shown in Fig. 3 a, control
The matched charging voltage of institute is exported to the mobile electronic device port.Charging control circuit includes microcontroller KF1 and programming port
X19, the wherein the 12nd of microcontroller KF1 the, 9,8,7,6,13 pins connect with the 1st of programming port X19,2,3,4,5,6 plug-in units successively；
The 1st pin of microcontroller KF1 and resistance R11, R77 shown in Fig. 3 c, capacitance C41 connections, the 2nd pin and the figure of microcontroller KF1
The 1st pin of amplifier KF3A shown in 3b connects, the 7th pin of the amplifier KF3B of the 19th pin of microcontroller KF1 as shown in figure 3
Connection, the 22nd pin of microcontroller KF1 are connect with the grid of metal-oxide-semiconductor Q1 shown in Fig. 2.
Claims (4)
1. a kind of solar charger circuit adaptively exported, it is characterised in that：The charger circuit includes：BUCK electricity
Road, charging detecting circuit and charging control circuit；The BUCK circuits are main circuit, provide charge circuit for solar energy, fill
Power detection circuit and charging control circuit are the control circuits for serving main circuit；Charging detecting circuit includes solar components electricity
Press detection circuit, charging current detecting circuit and mobile electronic device voltage detecting circuit, solar components voltage inspection
Slowdown monitoring circuit detects the output voltage of solar components, and the charging current detecting circuit detects mobile electronic device charging electricity
Stream, the mobile electronic device voltage detecting circuit detect mobile electronic device port voltage；The sun of charging detecting circuit
The input terminal of energy component voltage detection circuit is connected with the input terminal of BUCK circuits, the charging current detection electricity of charging detecting circuit
The input terminal on road is connected with the accurate sampling resistor R2 of BUCK circuits, the mobile electronic device voltage detecting electricity of charging detecting circuit
The input terminal on road is connected with the output end of BUCK circuits；The charging control circuit input terminal and charging detecting circuit output end
It is connected, the output end of charging control circuit is connected with BUCK circuits, the signal detected according to charging detecting circuit, controls BUCK
The circuit output matched charging voltage of institute is to mobile electronic device port.
2. the solar charger circuit as described in claim 1 adaptively exported, it is characterised in that：The BUCK circuits
For reducing solar components output high voltage to match the charging of the mobile electronic device of different voltages grade；Its middle port
PV+ connects the anode of solar components, and port PV- connects the cathode of solar components, port CH+ reception charging mobile electronic devices
Anode, the cathode of port CH- tape splicings charging mobile electronic device；BUCK circuits include diode D1, D2, capacitance C1, C2, C3,
Resistance R1, metal-oxide-semiconductor Q1 and inductance L1；The cathode of wherein diode D1 meets port PV-, and the anode of diode D1 connects the negative of capacitance C1
The anode of pole, capacitance C1 meets port PV+, and the drain electrode of metal-oxide-semiconductor Q1 meets port PV+, and the source electrode of metal-oxide-semiconductor Q1 connects the moon of diode D2
The grid of pole, metal-oxide-semiconductor Q1 connects the 22nd pin of microcontroller KF1；Resistance R1 is connected in parallel between the source electrode and grid of metal-oxide-semiconductor Q1, and two
The anode of pole pipe D2 meets port CH-；The source electrode of a termination metal-oxide-semiconductor of inductance L1, another termination port CH+ of inductance L1；Capacitance
C2 and C3 is connected in parallel between port CH+ and CH-.
3. the solar charger circuit as described in claim 1 adaptively exported, it is characterised in that：The solar energy group
In part voltage detecting circuit, resistance R79, R7, R6, R82, R29, R30, capacitance C16, amplifier KF3A form differential amplifier circuit,
Port voltage for acquiring solar components；Wherein resistance R79, R7, R6 is sequentially connected in series, a termination port PV of series arm
+, the 3rd pin of another termination amplifier KF3A of another termination port CH- of series arm, resistance R6；Resistance R82, R29, R30
Series connection, a termination port PV- of series arm, the 1st pin of another termination amplifier KF3A of series arm, resistance R30 and electricity
Hold C16 parallel connections, the 2nd pin of a termination amplifier KF3A of resistance R30, the 1st pipe of another termination amplifier KF3A of resistance R30
Foot, the 1st pin of amplifier KF3A connect the 2nd pin of microcontroller KF1；
In the charging current detecting circuit, resistance R2, R21, R28, R14, R5 and amplifier KF3B composition differential amplification electricity
Road, the charging current value for being flowed through in accurate sampling resistor R2；Wherein resistance R21, R28 connects, a termination of series arm
The upper end of resistance R2, the 5th pin of another termination amplifier KF3B of another termination port CH- of series arm, resistance R28；Electricity
Hinder R14, R5 series connection, the lower end of a terminating resistor R2 of series arm, the 7th pipe of another termination amplifier KF3B of series arm
Foot, the 6th pin of another termination amplifier KF3B of resistance R5, the 7th pin for putting KF3B connect the 19th pin of microcontroller KF1；
In the mobile electronic device voltage detecting circuit, resistance R11, R77 and capacitance C41 form voltage sampling circuit, adopt
Collect the port voltage of mobile electronic device to be charged；A termination port CH+ of resistance R11, the other end and resistance of resistance R11
The one end R77 connects the 1st pin of microcontroller KF1, and another termination port CH- of resistance R77, capacitance C41 are in parallel with resistance R77.
4. the solar charger circuit as described in claim 1 adaptively exported, it is characterised in that：The charge control
Circuit is according to the detection feedback signal for receiving charging detecting circuit, the matched charging voltage of control output institute to the mobile electron
Device port；Charging control circuit includes microcontroller KF1 and programming port X19, wherein the 12nd, 9,8,7,6, the 13 of microcontroller KF1
Pin is connect with the 1st of programming port X19,2,3,4,5,6 plug-in units successively；The 1st pin of microcontroller KF1 and resistance R11, R77, electricity
Hold C41 connections, the 2nd pin of microcontroller KF1 is connect with the 1st pin of amplifier KF3A, the 19th pin and amplifier of microcontroller KF1
The 7th pin of KF3B connects, and the 22nd pin of microcontroller KF1 and the grid of metal-oxide-semiconductor connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820507585.XU CN208078690U (en) | 2018-04-11 | 2018-04-11 | A kind of solar charger circuit adaptively exported |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820507585.XU CN208078690U (en) | 2018-04-11 | 2018-04-11 | A kind of solar charger circuit adaptively exported |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078690U true CN208078690U (en) | 2018-11-09 |
Family
ID=64040532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820507585.XU Expired - Fee Related CN208078690U (en) | 2018-04-11 | 2018-04-11 | A kind of solar charger circuit adaptively exported |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078690U (en) |
-
2018
- 2018-04-11 CN CN201820507585.XU patent/CN208078690U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20200411 |