CN207705863U - A kind of solar charging circuit and solar charging device - Google Patents

Abstract

The utility model discloses a kind of solar charging circuit and solar charging devices, wherein the solar charging circuit includes detection module, photovoltaic input module, control module and power supply output module；The detection module is connect with control module, photovoltaic input signal for detecting photovoltaic input module simultaneously exports detection signal to control module, the control module is connect with power supply output module, for outputing control signals to power supply output module according to detection signal, control the open and close of power supply output module, when detecting that photovoltaic input module is stablized, power supply output module is opened, when detecting that photovoltaic input module is unstable, power supply output module is closed, realize adjust automatically or reset power output, external equipment and charging unit is set to restore normal charged state automatically, the charge efficiency to external equipment can be improved while there is certain protecting effect to charging unit itself.

Description

A kind of solar charging circuit and solar charging device

Technical field

The utility model is related to solar charging electro-technical field, more particularly to a kind of solar charging circuit and solar charging Electric installation.

Background technology

With the development of photovoltaic application product, application field constantly expands, and the appearance of various application products solves people To electricity demanding, since photovoltaic generation is affected by light intensity and light-receiving area, such as black clouds, tree shade, the birds flown over, movement The shade or dim light of the generations such as crowd all can make the output voltage of photovoltaic generation become smaller, therefore cause charging voltage deficiency and make Charging unit, which is closed, terminates electric energy output, and when sunlight intensity is restored because of certain reason, need manually opened charging again Device charges, and practical there are many reasons to cause the slight acute variation of illumination in the middle, then being directed to the solar charging Denso Frequent charging setting is carried out for setting so that the frequent open and close of charging unit is easy damage charging unit, and charges Speed is slow, and charging unit can not charge in use with the variation adjust automatically of extraneous light intensity, recovery.

Thus the prior art could be improved and improve.

Utility model content

Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of solar charging circuits And solar charging device, it can realize adjust automatically or reset power output according to the variation of actual intensity of illumination, make outer Portion's equipment and power supply output module can restore normal charged state automatically, there is certain protection to imitate charging unit itself The charge efficiency to external equipment can be improved while fruit.

In order to achieve the above object, the utility model takes following technical scheme：

A kind of solar charging circuit, including detection module, photovoltaic input module, control module and power supply output module； The detection module connect with control module, the photovoltaic input signal for detecting photovoltaic input module and exports detection signal extremely Control module, the control module connect with power supply output module, are defeated for outputing control signals to power supply according to detection signal Go out module, control the open and close of power supply output module, when detecting that photovoltaic input module is stablized, power supply output module is opened It opens, when detecting that photovoltaic input module is unstable, power supply output module is closed.

In the solar charging circuit, the control module includes the first control chip, the first control chip The 4th foot connecting detection module, it is described first control chip the 5th foot connect photovoltaic input module, it is described first control chip The 2nd foot connect power supply output module.

In the solar charging circuit, the detection module includes the second control chip, first resistor, the second electricity Resistance, 3rd resistor and the first capacitance, one end of the ends the VIN connection first resistor of the second control chip, the one of second resistance The one end at end and the first capacitance, the other end of the first resistor connect VIN signal ends, the other end of the second resistance and the The other end of two capacitances is grounded；One end of the ends the VOUT connection 3rd resistor of the second control chip and control module, institute State the other end connection VCC feeder ears of 3rd resistor.

In the solar charging circuit, the photovoltaic input module includes the 4th resistance, the 5th resistance and triode, One end of 4th resistance connects VIN signal ends, the collector of the other end connecting triode of the 4th resistance；Described One end link control module of five resistance and the base stage of triode, the other end of the 5th resistance and the emitter of triode are equal Ground connection.

In the solar charging circuit, the power supply output module includes third control chip, the second capacitance, third Capacitance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 6th resistance, the 7th resistance and inductance；Institute The ends IN for stating third control chip connect one end of the second capacitance, one end of third capacitance and VIN signal ends, the third control The ends BS of chip connect one end of the 4th capacitance, and the ends LX of the third control chip connect the other end and inductance of the 4th capacitance One end, the inductance the other end connection one end of the 6th resistance, one end of the 5th capacitance, one end of the 6th capacitance, the 7th One end of capacitance, one end of the 8th capacitance and 5V power ends；The ends FS of the third control chip connect the another of the 6th resistance It holds, one end of the other end and the 7th resistance of the 5th capacitance；The other end of second capacitance, the other end of third capacitance, The other end of seven resistance, the other end of the 6th capacitance, the other end of the 7th capacitance and the other end of the 8th capacitance are grounded；It is described Third controls the ends the EN link control module of chip.

The solar charging circuit further includes indicating module, and the indicating module connect with control module, is used for root According to the corresponding instruction modulating signal of opening and closing output of power supply output module.

In the solar charging circuit, the indicating module includes the 8th resistance, the 9th resistance, the first light-emitting diodes Pipe and the second light emitting diode, one end link control module of the 8th resistance, one end link control module of the 9th resistance, The other end of 8th resistance connects the cathode of the first light emitting diode, and the other end connection second of the 9th resistance shines The cathode of diode；The anode of first light emitting diode and the anode of the second light emitting diode are grounded.

The solar charging circuit further includes the voltage stabilizing for carrying out steady pressure treatment to the supply voltage of control module Module, the Voltage stabilizing module include voltage stabilizing chip and the 9th capacitance；The ends VIN of the voltage stabilizing chip connect VIN signal ends, described The ends VOUT of voltage stabilizing chip connect one end and the control module of the 9th capacitance, the other end ground connection of the 9th capacitance.

A kind of solar charging device, including solar charging circuit as described above.

Compared to the prior art, described in solar charging circuit and solar charging device provided by the utility model Solar charging circuit includes detection module, photovoltaic input module, control module and power supply output module；The detection module with Control module connection, the photovoltaic input signal for detecting photovoltaic input module and export detection signal to control module, it is described Control module is connect with power supply output module, for outputing control signals to power supply output module, control electricity according to detection signal The open and close of source output module, when detecting that photovoltaic input module is stablized, power supply output module is opened, when detecting light When volt input module is unstable, power supply output module is closed, and is realized adjust automatically or reset power output, is made external equipment and electricity Source output module can restore normal charged state automatically, energy while having certain protecting effect to charging unit itself Enough charge efficiencies improved to external equipment.

Description of the drawings

Fig. 1 is the structure diagram of sun charging circuit provided by the utility model；

Fig. 2 is the circuit diagram of solar charging circuit provided by the utility model；

Fig. 3 is the circuit diagram of Voltage stabilizing module provided by the utility model.

Specific implementation mode

A kind of solar charging circuit of the utility model offer and solar charging device, can be strong according to actual illumination The variation of degree realizes adjust automatically or reset power output, external equipment and charging unit is enable to restore normally to fill automatically Electricity condition can improve the charge efficiency of external charging equipment while having certain protecting effect to charging unit itself.

To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this practicality It is novel, it is not used to limit the utility model.

Referring to Fig. 1, a kind of solar charging circuit provided by the utility model, including the input of detection module 20, photovoltaic Module 30, control module 10 and power supply output module 40；The detection module 20 is connect with control module 10, for detecting photovoltaic The photovoltaic input signal of input module 30 simultaneously exports detection signal to control module 10, and the control module 10 exports mould with power supply Block 40 connects, for outputing control signals to power supply output module 40 according to detection signal, and control power supply output module 40 is opened It opens and closes, when detecting that photovoltaic input module 30 is stablized, power supply output module 40 is opened, when detecting photovoltaic input module 30 it is unstable when, power supply output module 40 close.

The solar charging circuit enters after working condition, and the detection module 20 is defeated to photovoltaic every preset time Enter the photovoltaic input signal of module 30（It is the output power of photovoltaic input module 30 in the present embodiment）It is detected and generates inspection Signal is surveyed, if the mean difference of the input power of the photovoltaic input module 30 detected within a preset period of time is less than default value, That is judgement solar charging circuit is steady-working state, then, the detection module 20 opens control according to detection signal output Signal processed to the control module 10, control power supply output module 40 is opened, is powered to external equipment；If within a preset period of time The mean difference of the input power of the photovoltaic input module 30 detected is more than default value, that is, judges that solar charging circuit is not Steady-working state, then, the detection module 20 exports closing control signal to control module 10, control according to detection signal Power supply output module 40 is closed, and the power supply of external equipment is stopped.

And after the solar charging circuit enters unstable working state, the detection module 20 is continued to institute The detection of photovoltaic input module 30 is stated, if detecting the flat of the input power of photovoltaic input module 30 within a preset period of time later Inequality is less than default value, then shows that solar charging circuit has been restored to steady-working state because external environment changes, that , detection module 20 is according to detection information output control module 10 at this time, and control power supply output module 40 is opened, to external equipment Power supply；If detecting within a preset period of time, the mean difference of photovoltaic input module 30 is more than default value, i.e., the described solar charging Circuit is still in unstable working state, then detection module 20 outputs control signals to control module according to detection signal 10, control power supply output module 40 is still in off state, and detection module 20 will continue to detect the defeated of photovoltaic input module 30 at this time Go out power；Realize that solar charging circuit can be automatic to disconnect externally when intensity of illumination dies down because of external environment with this The power supply of portion's equipment when intensity of illumination change is strong, and can restore the power supply to external equipment, and then avoid charging dress automatically The damage caused because frequently opening, closing to charging unit itself is set, while can also ensure that the normal of external equipment fills Electricity.

Specifically, also referring to Fig. 2, the control module 10 includes the first control chip U1, the first control core The 4th foot connecting detection module 20 of piece U1, the 5th foot connection photovoltaic input module 30 of the first control chip U1, described the The 2nd foot connection power supply output module 40 of one control chip U1.

When solar charging circuit is operated in stable state, the first control chip U1 receives detection module 20 When opening control signal, the unlatching of power module is controlled, ensures the power supply of electric power source pair of module external equipment；When solar recharging electricity When road is operated in unstable state, when the first control chip U1 receives the closing control information of detection module 20, control The closing of power module turns off the power supply to external equipment, is realized to power supply output module 40 by the first control chip U1 The control of working condition, and then when reaching solar charging circuit and entering steady-working state by unstable working state, automatically Adjustment restores control effect of the power supply output module 40 to external equipment power supply.In the present embodiment, the first control chip U1 Model CSU5RP2113, certainly in other embodiments, can also be used other it is with the same function first control chip U1, this is not limited by the present invention.

Further, the detection module 20 includes the second control chip U2, first resistor R1, second resistance R2, third One end of resistance R3 and the first capacitance C1, the ends the VIN connection first resistor R1 of the second control chip U2, second resistance R2 The other end of one end of one end and the first capacitance C1, the first resistor R1 connects VIN signal ends, and the second resistance R2's is another The other end of one end and the second capacitance C2 are grounded；One end of the ends the VOUT connection 3rd resistor R3 of the second control chip U2 VCC feeder ears are connected with the other end of control module 10, the 3rd resistor R3.

Specifically, the photovoltaic input information that the second control chip U2 is used to detect photovoltaic input module 30 generates inspection Output is to the first control chip U1 after measurement information, to ensure the accurate and effective control to control module 10.In the present embodiment, It is with the same function that other can also be used certainly in other embodiments in the model XC61C of the second control chip U2 Second control chip U2, this is not limited by the present invention.

Further, the photovoltaic input module 30 includes the 4th resistance R4, the 5th resistance R5 and triode Q1, described One end of 4th resistance R4 connects VIN signal ends, the collector of the other end connecting triode Q1 of the 4th resistance R4；It is described The base stage of one end link control module 10 and triode Q1 of 5th resistance R5, the other end and triode of the 5th resistance R5 The emitter of Q1 is grounded；The photovoltaic input module 30 is used to perceive the variation of intensity of illumination, specifically passes through output power Variation embody, and then the effective variation for reacting solar charging circuit actual working environment.

Further, the power supply output module 40 include third control chip U3, the second capacitance C2, third capacitance C3, 4th capacitance C4, the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7, the 8th capacitance C8, the 6th resistance R6, the 7th resistance R7 With inductance L1；The ends IN of the third control chip U3 connect one end of the second capacitance C2, one end of third capacitance C3 and VIN letters Number end, the ends BS of third control chip U3 connect one end of the 4th capacitance C4, and the ends LX of the third control chip U3 connect Connect one end of the other end and inductance L1 of the 4th capacitance C4, the other end of the inductance L1 connects one end of the 6th resistance R6, the One end of five capacitance C5, one end, one end of the 7th capacitance C7, one end of the 8th capacitance C8 and the 5V power ends of the 6th capacitance C6； The ends FS of the third control chip U3 connect the other end and the 7th resistance R7 of the other end of the 6th resistance R6, the 5th capacitance C5 One end；The other end, the 6th capacitance of the other end of the second capacitance C2, the other end of third capacitance C3, the 7th resistance R7 The other end of the other end of C6, the other end of the 7th capacitance C7 and the 8th capacitance C8 is grounded；The third control chip U3's The ends EN link control module 10.

The power supply output module 40 is used to be timely that external equipment is supplied according to the control signal of the first control chip U1 Electricity, and then ensure the work that external equipment is normal, stablizes, realize the charge function of solar charging circuit.In the present embodiment, institute It is with the same function that other can also be used certainly in other embodiments in the model SY2113B for stating third control chip U3 Third controls chip U3, and this is not limited by the present invention.

When it is implemented, the solar charging circuit further includes indicating module 50, the indicating module 50 and control The connection of module 10 indicates modulating signal accordingly for being exported according to the opening and closing of power supply output module 40；The instruction mould Block 50 includes the 8th resistance R8, the 9th resistance R9, the first light emitting diode D1 and the second light emitting diode D2, the 8th resistance One end link control module 10 of R8, one end link control module 10 of the 9th resistance R9, the other end of the 8th resistance R8 The cathode of the first light emitting diode D1 is connected, the other end of the 9th resistance R9 connects the cathode of the second light emitting diode D2； The anode of the first light emitting diode D1 and the anode of the second light emitting diode D2 are grounded.

When the solar charging circuit is in steady-working state, the first light emitting diode D1 and described second The control that light emitting diode D2 controls chip U1 by described first, while display gives a green light；When the solar charging circuit When in unstable working state, the first light emitting diode D1 and the second light emitting diode D2 are controlled by described first The control of coremaking piece U1, while display sends out a warning, and indicates that current solar charging circuit is in the weaker environment of intensity of illumination, reaches To the effect for reminding user to change charging equipment current environment.

Further, also referring to Fig. 3, the solar charging circuit further includes for control module 10 Supply voltage carries out the Voltage stabilizing module 60 of steady pressure treatment, and the Voltage stabilizing module 60 includes voltage stabilizing chip U4 and the 9th capacitance C9；Institute The ends the VIN connection VIN signal ends of voltage stabilizing chip U4 are stated, the ends VOUT of the voltage stabilizing chip U4 connect the one of the 9th capacitance C9 The other end of end and control module 10, the 9th capacitance C9 is grounded, specifically, the presence of the Voltage stabilizing module 60 is realized to supplying The input voltage of the steady pressure treatment of piezoelectric voltage, the ends VIN is exported after voltage stabilizing exports by the ends VOUT, and then ensures solar recharging The safety and stability of circuit work.In the present embodiment, the model HX6203 of the voltage stabilizing chip U4, certainly in other realities It applies in example, other voltage stabilizing chip U4 with the same function can also be used, this is not limited by the present invention.

Based on above-mentioned solar charging circuit, the utility model additionally provides a kind of solar charging device, including such as The upper solar charging circuit.Since the operation principle of the solar charging circuit being described above, herein It repeats no more.

In conclusion in a kind of solar charging circuit provided by the utility model and solar charging device, it is described too Positive energy charging circuit includes detection module, photovoltaic input module, control module and power supply output module；The detection module and control The connection of molding block, the photovoltaic input signal for detecting photovoltaic input module simultaneously export detection signal to control module, the control Molding block is connect with power supply output module, for outputing control signals to power supply output module according to detection signal, controls power supply The open and close of output module, when detecting that photovoltaic input module is stablized, power supply output module is opened, when detecting photovoltaic When input module is unstable, power supply output module is closed, and is realized adjust automatically or reset power output, is made external equipment and power supply Output module can restore normal charged state automatically, can while having certain protecting effect to charging unit itself Improve the charge efficiency to external equipment.

It is understood that for those of ordinary skills, can with technical solution according to the present 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 (9)

1. a kind of solar charging circuit, which is characterized in that including detection module, photovoltaic input module, control module and power supply Output module；The detection module connect with control module, the photovoltaic input signal for detecting photovoltaic input module and exports Signal is detected to control module, the control module is connect with power supply output module, for according to detection signal output control letter Number to power supply output module, the open and close of power supply output module are controlled, when detecting that photovoltaic input module is stablized, power supply Output module is opened, and when detecting that photovoltaic input module is unstable, power supply output module is closed.

2. solar charging circuit according to claim 1, which is characterized in that the control module includes the first control core The 5th foot connection photovoltaic of piece, the 4th foot connecting detection module of the first control chip, the first control chip inputs mould 2nd foot of block, the first control chip connects power supply output module.

3. solar charging circuit according to claim 1, which is characterized in that the detection module includes the second control core Piece, first resistor, second resistance, 3rd resistor and the first capacitance, the ends the VIN connection first resistor of the second control chip One end, one end of second resistance and the first capacitance one end, the other end of the first resistor connects VIN signal ends, described the The other end of the other end of two resistance and the second capacitance is grounded；The ends the VOUT connection 3rd resistor of the second control chip The other end of one end and control module, the 3rd resistor connects VCC feeder ears.

4. solar charging circuit according to claim 1, which is characterized in that the photovoltaic input module includes the 4th electricity One end of resistance, the 5th resistance and triode, the 4th resistance connects VIN signal ends, the other end connection of the 4th resistance The collector of triode；The base stage of one end link control module and triode of 5th resistance, the 5th resistance it is another The emitter of one end and triode is grounded.

5. solar charging circuit according to claim 1, which is characterized in that the power supply output module includes third control Coremaking piece, the second capacitance, third capacitance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 6th electricity Resistance, the 7th resistance and inductance；The ends IN of third control chip connect one end of the second capacitance, third capacitance one end and The ends BS of VIN signal ends, the third control chip connect one end of the 4th capacitance, the ends the LX connection of the third control chip One end of the other end and inductance of 4th capacitance, one end of the other end the 6th resistance of connection of the inductance, the one of the 5th capacitance End, one end of the 6th capacitance, one end of the 7th capacitance, one end of the 8th capacitance and 5V power ends；The third control chip One end of the other end of the 6th resistance of the ends FS connection, the other end and the 7th resistance of the 5th capacitance；Second capacitance it is another It holds, the other end and the 8th of the other end of third capacitance, the other end of the 7th resistance, the other end of the 6th capacitance, the 7th capacitance The other end of capacitance is grounded；The ends the EN link control module of the third control chip.

6. solar charging circuit according to claim 1, which is characterized in that further include indicating module, the instruction mould Block and control module connect, for according to the corresponding instruction modulating signal of the opening and closing of power supply output module output.

7. solar charging circuit according to claim 6, which is characterized in that the indicating module include the 8th resistance, 9th resistance, the first light emitting diode and the second light emitting diode, one end link control module of the 8th resistance, the 9th electricity One end link control module of resistance, the other end of the 8th resistance connect the cathode of the first light emitting diode, the 9th electricity The other end of resistance connects the cathode of the second light emitting diode；The anode of first light emitting diode and the second light emitting diode Anode is grounded.

8. solar charging circuit according to claim 1, which is characterized in that further include for the power supply to control module Voltage carries out the Voltage stabilizing module of steady pressure treatment, and the Voltage stabilizing module includes voltage stabilizing chip and the 9th capacitance；The voltage stabilizing chip The ends VIN connect VIN signal ends, and the ends VOUT of the voltage stabilizing chip connect one end and the control module of the 9th capacitance, described The other end of 9th capacitance is grounded.

9. a kind of solar charging device, which is characterized in that including such as claim 1-8 any one of them solar recharging electricity Road.