CN203086165U - Solar energy and piezoelectric generation complementary charger - Google Patents

Solar energy and piezoelectric generation complementary charger Download PDF

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Publication number
CN203086165U
CN203086165U CN 201220565121 CN201220565121U CN203086165U CN 203086165 U CN203086165 U CN 203086165U CN 201220565121 CN201220565121 CN 201220565121 CN 201220565121 U CN201220565121 U CN 201220565121U CN 203086165 U CN203086165 U CN 203086165U
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CN
China
Prior art keywords
resistance
diode
electric capacity
power supply
piezoelectric
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Expired - Fee Related
Application number
CN 201220565121
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Chinese (zh)
Inventor
康龙云
林玉健
姜凯
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN 201220565121 priority Critical patent/CN203086165U/en
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Publication of CN203086165U publication Critical patent/CN203086165U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a solar energy and piezoelectric generation complementary charger. The solar energy and piezoelectric generation complementary charger comprises a solar panel, a piezoelectric generating device, a switch stabilized power supply circuit and an indicating lamp circuit. The output ends of the solar panel and the piezoelectric generating device are connected with the input end of the switch stabilized power supply circuit simultaneously, and the output end of the switch stabilized power supply circuit is connected with the anode of a battery. The solar energy and piezoelectric generation complementary charger of the utility model is mainly used in various low power devices having a low charging voltage, such as mobile phone, MP3, digital camera, etc., can realize the complementary charging by combining the solar power generation and the piezoelectric generation, charges the battery slowly and stably via the solar power generation when the sunshine is sufficient, and can charge the battery rapidly via the manual piezoelectric generation whatever at any environment occasion when the battery needs to be charged urgently. The solar energy and piezoelectric generation complementary charger of the utility model is simpler in circuit, fewer in electronic components, small in product volume and low in cost, and has the advantages of energy saving and environmental protection.

Description

The complementary charger of solar energy and piezo-electric generating
Technical field
The utility model relates to charging technique, relates to the solar energy and the complementary charger of piezo-electric generating that are used to the charging of low pressure small-power electrical equipment specifically.
Background technology
Existing small-power charger can be divided into two kinds of fixing charging and mobile chargings, and the advantage of fixing charging is a safety and stability, and is little to the battery injury, charges but can only be fixed in band socket place, reduced its practicality.Along with fast development of society, mobile charging arises at the historic moment, and existing mobile charging mainly contains solar recharging, and is manual powered, vehicle-mounted charge etc.The solar charging piezoelectric voltage is stable, and charging current is little, helps extending battery life, but charging slowly, and affected by environment bigger, can't not charge when having sunlight.Manual powered advantage is that charging is quick, affected by environment little, but because manual powered electric current instability is bigger to the battery injury, influences battery life, so have significant limitation.Vehicle-mounted charge then belongs to indirect charging, and after the first inversion, by filling admittedly the electrical equipment charging, it uses has significant limitation equally again.
The utility model content
In view of above background, the utility model provides solar energy and the complementary charger of piezo-electric generating with the advantages of solar recharging and manually piezoelectric charging, make charger slowly to charge by day, solar energy hand mix charging when needing, night is charging separately manually.In addition, the novel sharing control pattern of manual powered employing is improved manual powered performance.
In order to achieve the above object, the technical scheme taked of the utility model is:
The complementary charger of a kind of solar energy and piezo-electric generating, comprise solar energy tabula rasa, piezoelectric generating device, switching power supply circuit and indicator light circuit, the output of solar energy tabula rasa and the output of piezoelectric generating device are received the input of switching power supply circuit simultaneously, and the switching power supply circuit output end connects the positive pole of battery.
Further, piezoelectric generating device comprises the bridge circuit of being made up of piezoelectric element, first diode, second diode, the 3rd diode, the negative electrode of first diode is connected with the anode of second diode, the anode of the 3rd diode is connected with the negative electrode of the 4th diode, the anode of first diode is connected with the negative electrode of the 4th diode, and the anode of second diode is connected with the negative electrode of the 3rd diode; Voltage output end one end of piezoelectric element is connected with the tie point of the anode of first diode and the negative electrode of the 4th diode, and the other end is connected with the anode of second diode and the tie point of the negative electrode of the 3rd diode.
Further, piezoelectric generating device is controlled by a hand handle, produces voltage by the piezoelectric element pressurized in the hand handle control piezoelectric generating device.
Further, the switching power supply circuit comprises first resistance, second resistance, the 3rd resistance, first electric capacity, second electric capacity, the 3rd electric capacity, the 5th diode, first voltage stabilizing didoe, first triode, first inductance and voltage stabilizing integrator W7805, one end of first resistance links to each other with first capacitance cathode with the emitter-base bandgap grading of first triode and constitutes the input of switch voltage-stabilizing circuit, the other end of first resistance links to each other with the base stage of first triode and the negative electrode of first voltage stabilizing didoe, one end of second resistance links to each other with the negative electrode of the 5th diode and an end of first inductance with the collector electrode of first triode, one end of the other end of second resistance and the 3rd resistance, one end of second electric capacity links to each other with the common port of integrated regulator W7805, the other end ground connection of the 3rd resistance, the first electric capacity other end ground connection, the other end of second electric capacity links to each other with the anode of first voltage stabilizing didoe and the input of integrated regulator W7805, one end of the 3rd electric capacity links to each other with the other end of the output of integrated regulator W7805 and first inductance and constitutes the output of switching power supply circuit and draw output terminals A, the other end ground connection of the 3rd electric capacity, the plus earth of the 5th diode.
Further, indicator light circuit comprises the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 4th electric capacity, the 5th electric capacity, the 6th diode, light-emitting diode pipe and integrated operational amplifier LM358, the 4th resistance one end is connected with ground, the other end of the 4th resistance links to each other with IN1 (-) pin of integrated operational amplifier LM358 with battery cathode, one end of the 5th resistance is connected with the output terminals A of switching power supply circuit, the other end of the 5th resistance is connected with IN1 (+) pin of integrated operational amplifier LM358, one end of the 6th resistance links to each other with the negative electrode of the 6th diode and an end of the 5th electric capacity with IN2 (-) pin of integrated operational amplifier LM358, the other end of the 6th resistance links to each other with an end of the 7th resistance and an end of the 8th resistance with the OUT2 pin of integrated operational amplifier LM358, the other end of the 7th resistance is connected with the negative electrode of light-emitting diode, the other end of the 8th resistance links to each other with an end of the 4th electric capacity with IN2 (+) pin and the end of the 9th a resistance and end of the tenth resistance of integrated operational amplifier LM358, the other end of the 9th resistance is connected with the output terminals A of switching power supply circuit, the other end of the tenth resistance is connected with ground, the other end of the 4th electric capacity is connected with ground, the other end of the 5th electric capacity is connected with ground, the anode of the 6th diode is connected with the OUT1 pin of integrated operational amplifier LM358, the anode of light-emitting diode is connected with the output terminals A of voltage-stabilized power supply circuit, the GND pin of integrated operational amplifier LM358 is connected with ground, and the Vcc pin of integrated operational amplifier LM358 is connected with the output terminals A of switching power supply circuit.
Compared with prior art, the utlity model has following advantage and technique effect: circuit structure is simple, and cost is low, do not need to import power supply, can utilize the acting generating of the mechanical energy of solar energy and human body, the novel sharing control pattern of manual powered employing is improved manual powered performance.This circuit has been realized large current charge.The utility model combines solar power generation and piezo-electric generating realizes complementary charging, utilizes solar power generation to give slowly steadily charging of battery when sunny, no matter closes manually piezo-electric generating to quickly charging battery at any environment field during urgent need.The utility model circuit is fairly simple, and electronic devices and components are less, and small product size is little, and cost is low, and has the advantage of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the general structure schematic diagram of the complementary charger of solar energy and piezo-electric generating in the execution mode.
Fig. 2 is the solar panels circuit diagram in the execution mode.
Fig. 3 is the piezoelectric generating device circuit diagram in the execution mode.
Fig. 4 is the circuit diagram of the switching power supply circuit in the execution mode.
Fig. 5 is the circuit diagram of the indicator light circuit in the execution mode.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further, but enforcement of the present utility model and protection are not limited thereto.
Referring to Fig. 1, Fig. 1 has provided the solar energy of the utility model example and the overall circuit structure chart of the complementary charger of manual piezo-electric generating, comprise solar energy tabula rasa, manual piezoelectric generating device, switching power supply circuit, indicator light circuit, the output of the output of solar energy tabula rasa and manual piezoelectric generating device is received the input of switching power supply circuit simultaneously, and the switching power supply circuit output end connects the positive pole of battery.The solar energy tabula rasa becomes electric energy output with solar energy converting, and manually piezoelectric generating device control by a hand handle, allows piezoelectric element pressurized generation voltage in the piezoelectric generating device.Described switching power supply circuit is stablized the output voltage and the electric current of solar energy.Manually piezo-electric generating is controlled by a hand handle, allow piezoelectric element pressurized in the piezoelectric generating device produce voltage and to be rectified into direct voltage by rectification circuit and export to the switching power supply circuit, the switching power supply circuit is stablized the output voltage and the electric current of piezoelectric generating device.The switching power supply circuit also provides electric energy for indicator light circuit simultaneously.
Fig. 2 is the solar panels circuit diagram, is made up of small size solar panels, and solar panels are that electric energy outputs to the switching power supply circuit with conversion of solar energy.
Fig. 3 is the circuit diagram of manual piezoelectric generating device, and circuit is by piezoelectric (piezoelectric element) and the rectification circuit be made up of the first diode D1, the second diode D2, the 3rd diode D3, four diodes of the 4th diode D4.When piezoelectric passes through pressurized or stretching again, will produce alternating voltage.The alternating voltage that is produced by piezoelectric outputs to the switching power supply circuit by output dc voltage after the rectification of rectification circuit.The negative electrode of first diode is connected with the anode of second diode, and the anode of the 3rd diode is connected with the negative electrode of the 4th diode, and the anode of first diode is connected with the negative electrode of the 4th diode, and the anode of second diode is connected with the negative electrode of the 3rd diode.Voltage output end one end of piezoelectric element is connected with the tie point of the anode of first diode of rectification circuit and the negative electrode of the 4th diode, the other end is connected with the anode of second diode and the tie point of the negative electrode of the 3rd diode, and the ac voltage rectifier that can allow piezoelectric element produce like this becomes direct voltage and outputs to the switching power supply circuit.
Fig. 4 is the circuit diagram of switching power supply circuit, the switching power supply circuit comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3, first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 5th diode D5, the first voltage stabilizing didoe Dz1, the first triode Q1, first inductance L 1, voltage stabilizing integrator W7805, one section of first resistance links to each other with first capacitance cathode with the emitter-base bandgap grading of first triode and constitutes the input of switch voltage-stabilizing circuit, the other end of first resistance links to each other with the negative electrode of first voltage stabilizing didoe with the base stage of first triode, one end of second resistance links to each other with an end of first inductance with the negative electrode of the 5th diode with the collector electrode of first triode, the other end of second resistance links to each other with the common port of integrated regulator W7805 with an end of second electric capacity with an end of the 3rd resistance, the other end ground connection of the 3rd resistance, the first electric capacity other end ground connection, the other end of second electric capacity links to each other with the input of integrated regulator W7805 with the anode of first voltage stabilizing didoe, one end of the 3rd electric capacity links to each other with the other end of first inductance with the output of integrated regulator W7805 and constitutes the output of switching power supply circuit and draw output terminals A, the other end ground connection of the 3rd electric capacity, the plus earth of the 5th diode, the positive pole of the output of switching power supply circuit and battery is connected to battery charge like this, also is the indicator light circuit power supply simultaneously.The adjustment pipe of first triode and integrated regulator W7805 inside is formed the multiple tube form and is used as switch element, and the internal error amplifier of integrated regulator W7805 uses as voltage comparator.Output voltage values Vout is the nominal voltage value of integrated regulator W7805, because the electric current amplification of triode, triode amplifies input current, reaches the effect that increases power output.
Fig. 5 has provided indicator light circuit, comprise the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R 10, the 4th capacitor C 4, the 5th capacitor C 5, the 6th diode D6, light-emitting diode pipe LED, integrated operational amplifier LM358, the 4th resistance one end is connected with ground, the other end of the 4th resistance links to each other with IN1 (-) pin of integrated operational amplifier LM358 with ground, one end of the 5th resistance is connected with the output terminals A of switching power supply circuit, the other end of the 5th resistance is connected with IN1 (+) pin of integrated operational amplifier LM358, one end of the 6th resistance links to each other with an end of the 5th electric capacity with the negative electrode of the 6th diode with IN2 (-) pin of integrated operational amplifier LM358, the other end of the 6th resistance links to each other with an end of the 8th resistance with an end of the 7th resistance with the OUT2 pin of integrated operational amplifier LM358, the other end of the 7th resistance is connected with the negative electrode of light-emitting diode, the other end of the 8th resistance links to each other with an end of the 4th electric capacity with an end of the tenth resistance with an end of the 9th resistance with IN2 (+) pin of integrated operational amplifier LM358, the other end of the 9th resistance is connected with the output terminals A of switching power supply circuit, the other end of the tenth resistance is connected with ground, the other end of the 4th electric capacity is connected with ground, the other end of the 5th electric capacity is connected with ground, the anode of the 6th diode is connected with the OUT1 pin of integrated operational amplifier LM358, the anode of light-emitting diode is connected with the output terminals A of voltage-stabilized power supply circuit, the GND pin of integrated operational amplifier LM358 is connected with ground, the Vcc pin of integrated operational amplifier LM358 is connected with the output terminals A of switching power supply circuit, when battery in when charging, light-emitting diode in the indicator light circuit is with frequency 3Hz flicker, and the light-emitting diode perseverance is bright when battery is full of electricity.
When inserting battery, the A point voltage equals anode voltage, the voltage of IN1 (-) pin of integrated operational amplifier LM358 is the voltage of battery cathode, when if battery need charge, the voltage of IN1 (+) pin of integrated operational amplifier LM358 is lower than the voltage of IN1 (-) pin of integrated operational amplifier LM358, the OUT1 pin voltage output low level of integrated operational amplifier LM358 then, this moment, the 6th diode ended, then the level of the OUT2 pin of integrated operational amplifier LM358 can be with the frequency translation height of 3Hz, make the frequency scintillation of light-emitting diode with 3Hz, the expression battery charges.When battery is full of electricity, the voltage of 3 pin of integrated operational amplifier LM358 is higher than the voltage of IN1 (-) pin of integrated operational amplifier LM358, then the OUT1 pin voltage of integrated operational amplifier LM358 is exported high level, the 6th diode conducting this moment, the OUT2 pin of integrated operational amplifier LM358 output low level always then, make the Light-Emitting Diode perseverance bright, the expression battery is full of.

Claims (5)

1. the complementary charger of solar energy and piezo-electric generating, it is characterized in that comprising solar energy tabula rasa, piezoelectric generating device, switching power supply circuit and indicator light circuit, the output of solar energy tabula rasa and the output of piezoelectric generating device are received the input of switching power supply circuit simultaneously, and the switching power supply circuit output end connects the positive pole of battery.
2. the complementary charger of solar energy according to claim 1 and piezo-electric generating, be characterised in that piezoelectric generating device comprises the bridge circuit of being made up of piezoelectric element, first diode, second diode, the 3rd diode, the negative electrode of first diode is connected with the anode of second diode, the anode of the 3rd diode is connected with the negative electrode of the 4th diode, the anode of first diode is connected with the negative electrode of the 4th diode, and the anode of second diode is connected with the negative electrode of the 3rd diode; Voltage output end one end of piezoelectric element is connected with the tie point of the anode of first diode and the negative electrode of the 4th diode, and the other end is connected with the anode of second diode and the tie point of the negative electrode of the 3rd diode.
3. the complementary charger of solar energy according to claim 2 and piezo-electric generating is characterised in that piezoelectric generating device control by a hand handle, by the piezoelectric element pressurized generation voltage in the hand handle control piezoelectric generating device.
4. the complementary charger of solar energy according to claim 1 and piezo-electric generating, be characterised in that the switching power supply circuit comprises first resistance, second resistance, the 3rd resistance, first electric capacity, second electric capacity, the 3rd electric capacity, the 5th diode, first voltage stabilizing didoe, first triode, first inductance and voltage stabilizing integrator W7805, one end of first resistance links to each other with first capacitance cathode with the emitter-base bandgap grading of first triode and constitutes the input of switch voltage-stabilizing circuit, the other end of first resistance links to each other with the base stage of first triode and the negative electrode of first voltage stabilizing didoe, one end of second resistance links to each other with the negative electrode of the 5th diode and an end of first inductance with the collector electrode of first triode, one end of the other end of second resistance and the 3rd resistance, one end of second electric capacity links to each other with the common port of integrated regulator W7805, the other end ground connection of the 3rd resistance, the first electric capacity other end ground connection, the other end of second electric capacity links to each other with the anode of first voltage stabilizing didoe and the input of integrated regulator W7805, one end of the 3rd electric capacity links to each other with the other end of the output of integrated regulator W7805 and first inductance and constitutes the output of switching power supply circuit and draw output terminals A, the other end ground connection of the 3rd electric capacity, the plus earth of the 5th diode.
5. according to described solar energy of one of claim 1 ~ 3 and the complementary charger of piezo-electric generating, be characterised in that indicator light circuit comprises the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 4th electric capacity, the 5th electric capacity, the 6th diode, light-emitting diode pipe and integrated operational amplifier LM358, the 4th resistance one end is connected with ground, the other end of the 4th resistance links to each other with IN1 (-) pin of integrated operational amplifier LM358 with battery cathode, one end of the 5th resistance is connected with the output terminals A of switching power supply circuit, the other end of the 5th resistance is connected with IN1 (+) pin of integrated operational amplifier LM358, one end of the 6th resistance links to each other with the negative electrode of the 6th diode and an end of the 5th electric capacity with IN2 (-) pin of integrated operational amplifier LM358, the other end of the 6th resistance links to each other with an end of the 7th resistance and an end of the 8th resistance with the OUT2 pin of integrated operational amplifier LM358, the other end of the 7th resistance is connected with the negative electrode of light-emitting diode, the other end of the 8th resistance links to each other with an end of the 4th electric capacity with IN2 (+) pin and the end of the 9th a resistance and end of the tenth resistance of integrated operational amplifier LM358, the other end of the 9th resistance is connected with the output terminals A of switching power supply circuit, the other end of the tenth resistance is connected with ground, the other end of the 4th electric capacity is connected with ground, the other end of the 5th electric capacity is connected with ground, the anode of the 6th diode is connected with the OUT1 pin of integrated operational amplifier LM358, the anode of light-emitting diode is connected with the output terminals A of voltage-stabilized power supply circuit, the GND pin of integrated operational amplifier LM358 is connected with ground, and the Vcc pin of integrated operational amplifier LM358 is connected with the output terminals A of switching power supply circuit.
CN 201220565121 2012-10-31 2012-10-31 Solar energy and piezoelectric generation complementary charger Expired - Fee Related CN203086165U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931704A (en) * 2012-10-31 2013-02-13 华南理工大学 Solar energy and piezoelectricity power generation complementary charger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931704A (en) * 2012-10-31 2013-02-13 华南理工大学 Solar energy and piezoelectricity power generation complementary charger
CN102931704B (en) * 2012-10-31 2014-12-03 华南理工大学 Solar energy and piezoelectricity power generation complementary charger

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Granted publication date: 20130724

Termination date: 20151031