CN212412826U

CN212412826U - Solar energy power supply

Info

Publication number: CN212412826U
Application number: CN202021052973.7U
Authority: CN
Inventors: 丁男菊; 蒋鹏; 向莲
Original assignee: Wuxi Professional College of Science and Technology
Current assignee: Wuxi Professional College of Science and Technology
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-26
Anticipated expiration: 2030-06-10

Abstract

The utility model provides a solar power supply, it uses solar power supply, and green uses super capacitor accumulate simultaneously, and charge-discharge speed is fast long service life simultaneously. The solar cell comprises an amorphous silicon solar cell voltage source, wherein the amorphous silicon solar cell voltage source is connected with the input end of a DC-DC voltage reduction module, the output end of the DC-DC voltage reduction module outputs a 15V voltage source and is connected with a super capacitor for energy storage, the output end of the super capacitor is respectively connected with a first DC-DC power supply conversion module and a second DC-DC power supply conversion module, and the first DC-DC power supply conversion module and the second DC-DC power supply conversion module respectively output 5V and 3.3V voltage sources; the output end of the super capacitor is further connected with the control module and controls the output of the second output voltage to be 11V-15V through the control module.

Description

Solar energy power supply

Technical Field

The utility model relates to a solar energy power generation technical field specifically is solar power supply.

Background

Electronic circuits such as sensors, various chips, liquid crystal displays and the like mostly need small-voltage power supply, for example, common voltage sources are 3.3V, 5V and other direct currents. If the power is supplied by the traditional 220V alternating current mains supply, on one hand, a more complex circuit is required to be adopted, and the loss of the traditional power is caused; on the other hand, the solar energy power supply device is inconvenient to use in some electronic equipment needing outdoor operation, and can solve the problems if the solar energy power supply device is used for supplying power. Meanwhile, a storage battery is usually selected to be used as an energy storage element in the traditional power supply circuit, however, the storage battery such as a lead-acid storage battery and a nickel-cadmium storage battery has toxicity and is not suitable for being used in places close to people, meanwhile, the charge and discharge life of the storage battery is difficult to exceed 1000 times, and the service life is short while the charge and discharge time is long.

SUMMERY OF THE UTILITY MODEL

To the required power cost of current electron class instrument problem that high, the electric energy loss is big, the utility model provides a solar power supply, it uses solar power supply, green uses super capacitor accumulate simultaneously, and charge-discharge speed is fast long service life simultaneously.

The technical scheme is as follows: solar energy power, its characterized in that: the solar cell comprises an amorphous silicon solar cell voltage source, wherein the amorphous silicon solar cell voltage source is connected with the input end of a DC-DC voltage reduction module, the output end of the DC-DC voltage reduction module outputs a 15V voltage source and is connected with a super capacitor for energy storage, the output end of the super capacitor is respectively connected with a first DC-DC power supply conversion module and a second DC-DC power supply conversion module, and the first DC-DC power supply conversion module and the second DC-DC power supply conversion module respectively output 5V and 3.3V voltage sources; the output end of the super capacitor is also connected with the control module and controls the output of a second output voltage to be between 11V and 15V through the control module;

it is further characterized in that: the DC-DC voltage reduction module comprises an XL7036 converter U1, wherein a 5 pin of an XL7036 converter U1 is connected with an amorphous silicon solar cell voltage source, one end of a capacitor CC, one end of a capacitor C1 and one end of a capacitor CIN, the other end of the capacitor CC is connected with a 4 pin of the XL7036 converter U1, a 2 pin of the XL7036 converter U1 is connected with one end of a capacitor C2, a 3 pin of the XL7036 converter U1 is connected with the cathode of a zener diode D1 and one end of an inductor L1, a1 pin of the XL7036 converter U1 is connected with one end of a resistor R1, one end of a resistor R2 and one end of a capacitor CFF, the other end of the capacitor CIN, the other end of the capacitor C1, the other end of the capacitor C2 and the anode of the zener diode D1 are connected with one end of a capacitor C3 and one end of a capacitor COUT, the other end of the capacitor COUT is connected with the anode of a diode D2, the other end, the negative electrode of the diode D2 is connected with one end of a super capacitor SC and outputs VOUT as a 15V voltage source, the other end of the super capacitor SC is connected with one end of a resistor R3 and the 6 pin of the XL7036 converter U1 and is grounded, and the other end of the resistor R3 is connected with the 7 pin of the XL7036 converter U1 and is grounded;

the control module comprises an STM32F103C8T6 singlechip U2, a 14 pin of the STM32F103C8T6 singlechip U2 is connected with one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R10 is grounded, the other end of the resistor R9 is connected with a VOUT end of an output end of the super capacitor SC, a1 pin, a 9 pin, a 24 pin, a 36 pin and a 48 pin of the STM32F103C8T6 singlechip U2 are connected and then connected with a 3.3V voltage source, a 5 pin of the STM32F103C8T6 singlechip U2 is connected with one end of a capacitor C11 and one end of a crystal oscillator Y1, the other end of the capacitor C11 is connected with one end of a capacitor C14 and grounded, the other end of the capacitor C14 is connected with a 6 pin of the crystal oscillator Y14U 14, one end of the STM32F103C8T 14U 367 pin is connected with one end of the resistor R14 and the other end of the resistor R14 and the resistor R14, and the other end of the STM 32C 14 are connected with the ground, and the power supply pin of the STM 32C 14, 35 pins and 47 pins are connected and then grounded, 20 pins of an STM32F103C8T6 singlechip U2 are connected with one end of a resistor R8, the other end of the resistor R8 is grounded, 22 pins of the STM32F103C8T6 singlechip U2 are connected with the cathode of a light-emitting diode LED1, the anode of the light-emitting diode LED1 is connected with one end of a resistor R11, the other end of the resistor R11 is connected with a 3.3V power supply, 7 pins, 39 pins, 37 pins, 34 pins, 38 pins and 40 pins of the STM32F103C8T6 singlechip U2 are respectively connected with 2-7 pins of an interface chip U3, 1 pin of the interface chip U3 is grounded, 8 pins of the interface chip U3 are connected with a 3.3V power supply, 10 pins of the STM32F103C8T 6U 2 are connected with one end of a resistor R6, the other end of the resistor R6 is connected with a base of a triode Q2, one end of the Q2 is connected with a resistor R4, and one end of a collector of a field effect transistor R4 and a gate of the monolithic resistor R, the drain electrode of the field effect transistor Q1 is connected with one end of the second output voltage, the other end of the second output voltage is connected with the VOUT output end of the super capacitor SC, and the source electrode of the field effect transistor Q1 is connected with the other end of the resistor R7 and the emitter electrode of the triode Q2 and is grounded;

the first DC-DC power conversion module and the second DC-DC power conversion module respectively comprise an LM2596T-5.0 voltage stabilizing chip and an LM2596T-3.3 voltage stabilizing chip, the 1 pin of the LM2596T-5.0 voltage-stabilizing chip is connected with the VOUT output end of the super capacitor SC, one end of an electrolytic capacitor C4, the 2 pin of the LM2596T-5.0 voltage-stabilizing chip is connected with one end of an inductor L2 and the cathode of a voltage-stabilizing diode D3, the other end of the inductor L2 is connected with one end of an electrolytic capacitor C5, the 5 pin of the LM2596T-5.0 voltage-stabilizing chip, one end of a capacitor C8 and one end of a capacitor C9 and outputs 5V voltage, the other end of the electrolytic capacitor C4 is connected with the 3 pin and the 5 pin of the LM2596T-5.0 voltage-stabilizing chip, the anode of the voltage-stabilizing diode D3, the other end of the electrolytic capacitor C5, the other end of the capacitor C8 and the other end of the capacitor C9 and is grounded; the 1 pin of the LM2596T-3.3 voltage stabilizing chip is connected with the VOUT output end of the super capacitor SC, one end of an electrolytic capacitor C6, the 2 pin of the LM2596T-3.3 voltage stabilizing chip is connected with one end of an inductor L3 and the cathode of a voltage stabilizing diode D4, the other end of the inductor L3 is connected with one end of an electrolytic capacitor C7, the 5 pin of the LM2596T-3.3 voltage stabilizing chip, one end of a capacitor C12 and one end of a capacitor C13 and outputs 3.3V voltage, and the other end of the electrolytic capacitor C6 is connected with the 3 pin and the 5 pin of the LM2596T-3.3 voltage stabilizing chip, the anode of the voltage stabilizing diode D4, the other end of the electrolytic capacitor C7, the other end of the capacitor C12 and the other end of the capacitor C13 and is.

After the structure is adopted, the voltage source of the amorphous silicon solar cell is converted into the 15V voltage source by the DC-DC voltage reduction module, the 15V voltage source is connected with the super capacitor to serve as an energy storage element, and the amorphous silicon solar cell is powered by the voltage and stored by the super capacitor, so that the energy is green and environment-friendly, the waste is avoided, the charging and discharging speed is high, and the service life is long; meanwhile, the 15V voltage source is respectively connected with the first DC-DC power conversion module and the second DC-DC power conversion module and outputs 5V and 3.3V voltage sources, so that the use of electronic instruments can be facilitated, and further, the 15V voltage source controls the output second output voltage to be between 11V and 15V through the connection control module, so that the selected voltage output by the direct current source is more, and the power supply is more convenient for the use of a small motor or an electronic circuit module and the like.

Drawings

FIG. 1 is a block diagram of the overall structure of the present invention;

FIG. 2 is a circuit schematic of the DC-DC buck module;

FIG. 3 is a circuit schematic of the control module;

FIG. 4 is a schematic circuit diagram of a first DC-DC power conversion module;

fig. 5 is a schematic circuit diagram of a second DC-DC power conversion module.

Detailed Description

As shown in fig. 1, the solar power supply includes an amorphous silicon solar cell voltage source 1, the amorphous silicon solar cell voltage source 1 is connected to an input end of a DC-DC voltage reduction module 2, an output end of the DC-DC voltage reduction module 2 outputs a 15V voltage source and is connected to a super capacitor 3 for storing energy, an output end of the super capacitor 3 is respectively connected to a first DC-DC power conversion module 4 and a second DC-DC power conversion module 5, and the first DC-DC power conversion module 4 and the second DC-DC power conversion module 5 output 5V and 3.3V voltage sources respectively; the output end of the super capacitor 3 is also connected with the control module 6 and controls the output of the second output voltage to be between 11V and 15V through the control module 6.

As shown in fig. 2, the DC-DC voltage reduction module 2 includes an XL7036 converter U1, wherein a 5 pin of an XL7036 converter U1 is connected to an amorphous silicon solar cell voltage source, one end of a capacitor CC, one end of a capacitor C1 and one end of a capacitor CIN, the other end of the capacitor CC is connected to a 4 pin of an XL7036 converter U1, a 2 pin of an XL7036 converter U1 is connected to one end of a capacitor C2, a 3 pin of the XL7036 converter U1 is connected to a cathode of a zener diode D1 and one end of an inductor L1, a1 pin of the XL7036 converter U1 is connected to one end of a resistor R1, one end of a resistor R2 and one end of a capacitor CFF, the other end of the capacitor CIN, the other end of a capacitor C8, the other end of a capacitor C2, an anode of the zener diode D1 is connected to one end of the capacitor C3 and one end of the capacitor COUT, the other end of the capacitor COUT is connected to an anode of the diode D2, the other end of the diode, the other end of the super capacitor SC is connected with one end of a resistor R3, a pin 6 of the XL7036 converter U1 and grounded, and the other end of the resistor R3 is connected with a pin 7 of the XL7036 converter U1 and grounded.

As shown in fig. 3, the control module 6 includes an STM32F103C8T6 single chip microcomputer U2, an STM32F103C8T6 single chip microcomputer U2 with a 14 pin connected to one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R10 being grounded, the other end of the resistor R10 being connected to the VOUT terminal of the output terminal of the super capacitor SC, an STM32F103C8T 10 single chip microcomputer U10 with a1 pin, a 9 pin, a 24 pin, a 36 pin and a 48 pin being connected to a 3.3V voltage source, an STM32F103C8T 10 with a 5 pin connected to one end of a capacitor C10 and one end of a crystal Y10, the other end of the capacitor C10 being connected to one end of the capacitor C10 and grounded, the other end of the capacitor C10 being connected to the 6 pin of the crystal Y10 and the other end of the capacitor C103C 8T 10U 10, an STM32F103C 72 being connected to one end of the resistor R10 and the resistor R10, the other end of the resistor R10 and the resistor R10 being connected to the ground, the resistor R10 and the resistor R10 of the post-T10 of the single chip microcomputer SC 32F10, the resistor R10 and the resistor R36, the other end of the resistor R8 is grounded, the pin 22 of the STM32F103C8T6 singlechip U2 is connected with the cathode of the LED1, the anode of the LED1 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with a 3.3V power supply, the

pins

7, 39, 37, 34, 38 and 40 of the STM32F103C8T6 singlechip U2 are respectively connected with the pins 2-7 of the interface chip U3, the pin 1 of the interface chip U3 is grounded, the pin 8 of the interface chip U3 is connected with a 3.3V power supply, the pin 10 of the STM32F103C8T6 singlechip U2 is connected with one end of a resistor R6, the other end of the resistor R6 is connected with the base of a triode Q2, the collector of the triode Q2 is connected with one end of the resistor R4 and one end of a resistor R367, the other end of the resistor R5 is connected with one end of the resistor R7 and the gate of the field effect transistor Q7, the drain of the field effect transistor Q7 is connected with one end of the second output voltage output of, The emitter of transistor Q2 is connected to ground.

As shown in fig. 4 and 5, the first DC-DC power conversion module 4 and the second DC-DC power conversion module 5 respectively include an LM2596T-5.0 voltage stabilization chip and an LM2596T-3.3 voltage stabilization chip, a1 pin of the LM2596T-5.0 voltage stabilization chip is connected to the VOUT output terminal of the super capacitor SC, one end of an electrolytic capacitor C4, a 2 pin of the LM2596T-5.0 voltage stabilization chip is connected to one end of an inductor L2 and the negative electrode of a voltage stabilization diode D3, the other end of the inductor L2 is connected to one end of an electrolytic capacitor C5, a 5 pin of the LM2596T-5.0 voltage stabilization chip, one end of a capacitor C8 and one end of a capacitor C9 and outputs a 5V voltage, the other end of the electrolytic capacitor C4 is connected to the 3 pin and the 5 pin of the LM2596T-5.0 voltage stabilization chip, the positive electrode of a voltage stabilization diode D48, the other end of an electrolytic capacitor C5, the other end of a capacitor C; the 1 pin of the LM2596T-3.3 voltage-stabilizing chip is connected with the VOUT output end of the super capacitor SC, one end of an electrolytic capacitor C6, the 2 pin of the LM2596T-3.3 voltage-stabilizing chip is connected with one end of an inductor L3 and the cathode of a voltage-stabilizing diode D4, the other end of an inductor L3 is connected with one end of an electrolytic capacitor C7, the 5 pin of the LM2596T-3.3 voltage-stabilizing chip, one end of a capacitor C12 and one end of a capacitor C13 and outputs 3.3V voltage, the other end of an electrolytic capacitor C6 is connected with the 3 pin and the 5 pin of the LM2596T-3.3 voltage-stabilizing chip, the anode of a voltage-stabilizing diode D4, the other end of an electrolytic capacitor C7, the other end of a.

The working principle of the utility model is as follows:

the voltage source 1 of the amorphous silicon solar cell is converted into a 15V voltage source through the DC-DC voltage reduction module 2, and the solar photovoltaic power supply is green, environment-friendly, energy-saving and convenient. Meanwhile, the power supply range of the amorphous silicon solar cell voltage source is changed within the range of 16-90V, and electric energy is not wasted. The 15V voltage source is connected with the super capacitor 3 for storing electricity, the charging and discharging speed is high, the charging and discharging are more at the moment, and the service life is long. The output end of the super capacitor 3 respectively passes through the first DC-DC power conversion module 4 and the second DC-DC power conversion module 5 and outputs 5V and 3.3V voltage sources; the output end of the super capacitor 3 enables the second output voltage to be between 11V and 15V through the control module 6. Thereby the utility model discloses can outwards provide 5V, 3.3V, 15V, 11 ~ 15V's DC power supply.

The utility model discloses a control module 6 makes the theory of operation of output second way output voltage between 11V ~15V as follows:

the STM32F103C8T6 singlechip U2 samples the voltage at two ends of the super capacitor 3 through R9 and R10 resistors and judges, when the super capacitor 3 discharges, when the STM32F103C8T6 singlechip U2 judges that the voltage of the super capacitor 3 falls to 11V from 15V, the PA1 pin of the STM32F103C8T6 singlechip U2 outputs low level, so that the triode Q2 is cut off, the field effect transistor Q1 is switched on, and the second path of voltage is output. When the STM32F103C8T6 singlechip U2 judges that the voltage of the super capacitor 3 is lower than 11V, the PA1 pin of the STM32F103C8T6 singlechip U2 outputs high level, so that the triode Q2 is switched on, the field effect transistor Q1 is switched off, and the second path of voltage stops being output. When the super capacitor 3 is charged, and when the voltage of the super capacitor 3 is charged to be more than 12V, the PA1 pin of the STM32F103C8T6 singlechip U2 outputs low level, so that the triode Q2 is cut off, the field effect transistor Q1 is switched on, and the second path of voltage is continuously output.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Solar energy power, its characterized in that: the solar cell comprises an amorphous silicon solar cell voltage source, wherein the amorphous silicon solar cell voltage source is connected with the input end of a DC-DC voltage reduction module, the output end of the DC-DC voltage reduction module outputs a 15V voltage source and is connected with a super capacitor for energy storage, the output end of the super capacitor is respectively connected with a first DC-DC power supply conversion module and a second DC-DC power supply conversion module, and the first DC-DC power supply conversion module and the second DC-DC power supply conversion module respectively output 5V and 3.3V voltage sources; the output end of the super capacitor is further connected with the control module and controls the output of the second output voltage to be 11V-15V through the control module.

2. The solar power supply of claim 1, wherein: the DC-DC voltage reduction module comprises an XL7036 converter U1, wherein a 5 pin of an XL7036 converter U1 is connected with an amorphous silicon solar cell voltage source, one end of a capacitor CC, one end of a capacitor C1 and one end of a capacitor CIN, the other end of the capacitor CC is connected with a 4 pin of the XL7036 converter U1, a 2 pin of the XL7036 converter U1 is connected with one end of a capacitor C2, a 3 pin of the XL7036 converter U1 is connected with the cathode of a zener diode D1 and one end of an inductor L1, a1 pin of the XL7036 converter U1 is connected with one end of a resistor R1, one end of a resistor R2 and one end of a capacitor CFF, the other end of the capacitor CIN, the other end of the capacitor C1, the other end of the capacitor C2 and the anode of the zener diode D1 are connected with one end of a capacitor C3 and one end of a capacitor COUT, the other end of the capacitor COUT is connected with the anode of a diode D2, the other end, the negative electrode of the diode D2 is connected with one end of a super capacitor SC and outputs VOUT as a 15V voltage source, the other end of the super capacitor SC is connected with one end of a resistor R3 and the 6 pin of the XL7036 converter U1 and is grounded, and the other end of the resistor R3 is connected with the 7 pin of the XL7036 converter U1 and is grounded.

3. The solar power supply of claim 2, wherein: the control module comprises an STM32F103C8T6 singlechip U2, a 14 pin of the STM32F103C8T6 singlechip U2 is connected with one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R10 is grounded, the other end of the resistor R9 is connected with a VOUT end of an output end of the super capacitor SC, a1 pin, a 9 pin, a 24 pin, a 36 pin and a 48 pin of the STM32F103C8T6 singlechip U2 are connected and then connected with a 3.3V voltage source, a 5 pin of the STM32F103C8T6 singlechip U2 is connected with one end of a capacitor C11 and one end of a crystal oscillator Y1, the other end of the capacitor C11 is connected with one end of a capacitor C14 and grounded, the other end of the capacitor C14 is connected with a 6 pin of the crystal oscillator Y14U 14, one end of the STM32F103C8T 14U 367 pin is connected with one end of the resistor R14 and the other end of the resistor R14 and the resistor R14, and the other end of the STM 32C 14 are connected with the ground, and the power supply pin of the STM 32C 14, 35 pins and 47 pins are connected and then grounded, 20 pins of an STM32F103C8T6 singlechip U2 are connected with one end of a resistor R8, the other end of the resistor R8 is grounded, 22 pins of the STM32F103C8T6 singlechip U2 are connected with the cathode of a light-emitting diode LED1, the anode of the light-emitting diode LED1 is connected with one end of a resistor R11, the other end of the resistor R11 is connected with a 3.3V power supply, 7 pins, 39 pins, 37 pins, 34 pins, 38 pins and 40 pins of the STM32F103C8T6 singlechip U2 are respectively connected with 2-7 pins of an interface chip U3, 1 pin of the interface chip U3 is grounded, 8 pins of the interface chip U3 are connected with a 3.3V power supply, 10 pins of the STM32F103C8T 6U 2 are connected with one end of a resistor R6, the other end of the resistor R6 is connected with a base of a triode Q2, one end of the Q2 is connected with a resistor R4, and one end of a collector of a field effect transistor R4 and a gate of the monolithic resistor R, the drain electrode of the field effect transistor Q1 is connected with one end of the second output voltage, the other end of the second output voltage is connected with the VOUT output end of the super capacitor SC, and the source electrode of the field effect transistor Q1 is connected with the other end of the resistor R7 and the emitter electrode of the triode Q2 and is grounded.

4. The solar power supply of claim 3, wherein: the first DC-DC power conversion module and the second DC-DC power conversion module respectively comprise an LM2596T-5.0 voltage stabilizing chip and an LM2596T-3.3 voltage stabilizing chip, the 1 pin of the LM2596T-5.0 voltage-stabilizing chip is connected with the VOUT output end of the super capacitor SC, one end of an electrolytic capacitor C4, the 2 pin of the LM2596T-5.0 voltage-stabilizing chip is connected with one end of an inductor L2 and the cathode of a voltage-stabilizing diode D3, the other end of the inductor L2 is connected with one end of an electrolytic capacitor C5, the 5 pin of the LM2596T-5.0 voltage-stabilizing chip, one end of a capacitor C8 and one end of a capacitor C9 and outputs 5V voltage, the other end of the electrolytic capacitor C4 is connected with the 3 pin and the 5 pin of the LM2596T-5.0 voltage-stabilizing chip, the anode of the voltage-stabilizing diode D3, the other end of the electrolytic capacitor C5, the other end of the capacitor C8 and the other end of the capacitor C9 and is grounded; the 1 pin of the LM2596T-3.3 voltage stabilizing chip is connected with the VOUT output end of the super capacitor SC, one end of an electrolytic capacitor C6, the 2 pin of the LM2596T-3.3 voltage stabilizing chip is connected with one end of an inductor L3 and the cathode of a voltage stabilizing diode D4, the other end of the inductor L3 is connected with one end of an electrolytic capacitor C7, the 5 pin of the LM2596T-3.3 voltage stabilizing chip, one end of a capacitor C12 and one end of a capacitor C13 and outputs 3.3V voltage, and the other end of the electrolytic capacitor C6 is connected with the 3 pin and the 5 pin of the LM2596T-3.3 voltage stabilizing chip, the anode of the voltage stabilizing diode D4, the other end of the electrolytic capacitor C7, the other end of the capacitor C12 and the other end of the capacitor C13 and is.