CN105135336A - Intelligent solar LED street light - Google Patents

Abstract

The invention relates to an intelligent solar LED street lamp which comprises an LED lamp tube, an ARM9 processing chip, a voltage acquisition device, a photocell and a lead-acid storage battery, wherein the photocell charges the lead-acid storage battery, the charged lead-acid storage battery provides power supply for the ARM9 processing chip, the voltage acquisition device and the LED lamp tube, the voltage acquisition device acquires output voltage of the photocell, the ARM9 processing chip is connected with the voltage acquisition device, and the charging of the lead-acid storage battery by the photocell is controlled according to the voltage acquired by the voltage acquisition device. According to the invention, the normal power supply to the LED street lamp can be ensured under the condition of insufficient solar energy.

Description

Intelligent solar LED street light

technical field

The invention relates to the field of LED lighting, in particular to an intelligent solar LED street lamp.

Background technique

The difference between LED street lamps and conventional street lamps is that the LED light source adopts low-voltage DC power supply, high-efficiency white light synthesized by GaN-based power blue LED and yellow, which has high efficiency, safety, energy saving, environmental protection, long life, fast response speed, and high color rendering index. With unique advantages, it can be widely used on roads. The outer cover can be made, high temperature resistance up to 135 degrees, low temperature resistance up to -45 degrees.

In the prior art, the mass application of LED street lamps still has the following difficulties to be overcome: LED street lamps have high requirements for power supply equipment, and when using natural energy for energy conservation and environmental protection, there is a lack of a specific power supply that can take into account both solar energy and wind energy Circuits to ensure the continuous power supply of LED street lamps in the case of self-charging; how to flexibly switch between solar and wind power; and how to optimize the existing solar power supply structure and wind power supply structure to improve power supply efficiency.

For this reason, the present invention proposes an intelligent solar LED street lamp. On the one hand, it can provide an optimized power supply circuit that takes into account both solar energy and wind energy to reliably charge the LED street lamp by itself. Start flexible switching between solar power and wind power, so as to comprehensively improve the charging efficiency of LED street lights.

Contents of the invention

In order to solve the technical problems existing in the prior art, the present invention provides an intelligent solar LED street lamp, which introduces a voltage collection device connected to the power output interface of the solar panel to provide solar power and wind energy according to the output voltage of the solar panel. The charging switching control signal between power supplies, and a set of specific power supply circuits are designed to be reliably compatible with both solar and wind power supply modes.

According to one aspect of the present invention, a kind of intelligent solar LED street lamp is provided, and described LED street lamp comprises LED lamp tube, ARM9 processing chip, voltage acquisition equipment, photocell and lead-acid battery, and photocell charges lead-acid battery, after charging The lead-acid battery provides power supply for the ARM9 processing chip, the voltage acquisition device and the LED lamp tube. The voltage acquisition device collects the output voltage of the photocell, and the ARM9 processing chip is connected to the voltage acquisition device. Battery charging.

More specifically, in the intelligent solar LED street lamp, it also includes: a voltage collection device, which is arranged on the top of the light frame and connected to the power output interface of the photovoltaic cell, and is used to collect the output voltage of the photovoltaic cell. When the output voltage is greater than or equal to the preset When the photocell voltage threshold is reached, a daytime judgment signal is sent out, and when the output voltage is lower than the preset photocell voltage threshold, a nighttime judgment signal is sent out; the photocell is set on the top of the light stand and has a power output interface for outputting the electric energy converted by the photocell from solar energy. The power output interface includes a positive output terminal and a negative output terminal; a transient voltage suppressor is connected in parallel between the positive output terminal and the negative output terminal of the power output interface; the first resistor is connected to the positive output terminal of the power output interface, and its The other end is connected to one end of the second resistor; the other end of the second resistor is connected to the output negative end of the electric energy output interface; the main structure of the lift fan is set on the top of the light stand, including three blades, yaw equipment, hub and transmission equipment; When the wind passes through the three blades, lift is generated due to the unequal pressure on the front and back of each blade, and the lift drives the corresponding blade to rotate; the yaw device is connected to the three blades to provide the reliability of the rotation of the three blades And uncable; the hub is connected with three blades, used to fix the three blades, so that the blades are driven to rotate clockwise after the blades are stressed, and the wind energy is converted into low-speed kinetic energy; the transmission equipment includes low-speed shafts, gearboxes, high-speed Shafts, support bearings, couplings and disc brakes, the gearbox is connected to the hub through a low-speed shaft, and connected to the wind turbine through a high-speed shaft, which is used to convert the low-speed kinetic energy of the hub into the high speed required by the wind turbine The kinetic energy of the shaft coupling is a flexible shaft, which is used to compensate the parallelism deviation and angle error between the output shaft of the gearbox and the rotor of the generator, and the disc brake is a hydraulically operated disc brake, which is used for mechanical braking; The wind power generator is connected with the gearbox of the main structure of the lift wind turbine. It is a double-fed asynchronous generator used to convert the received high-speed kinetic energy into wind power. The wind power generator includes stator windings, rotor windings, bidirectional back-to-back IGBT voltage The output interface of the source converter and the wind turbine, the stator winding is directly connected to the output interface of the wind turbine, the rotor winding is connected to the output interface of the wind turbine through a bidirectional back-to-back IGBT voltage source converter, and the output interface of the wind turbine is a three-phase AC output The interface is used to output wind power; the rectifier circuit is connected to the output interface of the wind generator, and the three-phase AC voltage output by the output interface of the wind generator is rectified to obtain the wind DC voltage; the filter stabilization circuit is connected to the rectifier circuit to The wind power DC voltage is filtered and stabilized to output a regulated DC voltage; the third resistor and the fourth resistor are connected in parallel to the positive and negative terminals of the filter and regulator circuit after being connected in series, and one end of the third resistor is connected to the positive terminal of the filter and regulator circuit , one end of the fourth resistor is connected to the negative end of the filter voltage stabilization circuit; the first capacitor and the second capacitor are connected in parallel to the positive and negative ends of the filter voltage stabilization circuit after being connected in series, and one end of the first capacitor is connected to the positive end of the filter voltage stabilization circuit , one end of the second capacitor is connected to the negative end of the filter regulator circuit, and the other end of the first capacitor is connected to the other end of the third resistor , the other end of the second capacitor is connected to the other end of the fourth resistor; the third capacitor is connected in parallel to the positive and negative ends of the filter voltage regulator circuit; the fifth resistor is connected to the positive end of the filter voltage regulator circuit at one end; the first switch tube , is a P-channel enhanced MOS transistor, its drain is connected to the other end of the fifth resistor, its substrate is connected to the source, and its source is connected to the negative end of the filter and voltage regulator circuit; the manual unloading circuit, its two The terminals are respectively connected to the drain and source of the first switch tube; the first anti-reverse diode, its positive terminal is connected to the positive terminal of the filter voltage regulator circuit, and its negative terminal is connected to the drain of the first switch tube; the second switch The tube is a P-channel enhanced MOS tube, its drain is connected to the positive terminal of the filter regulator circuit, and its substrate is connected to the source; the second anti-reverse diode, its positive terminal is connected to the source of the second switching tube ; The fourth capacitor and the fifth capacitor are all connected in parallel between the negative terminal of the second anti-reverse diode and the negative terminal of the filter voltage regulator circuit; the third anti-reverse diode is connected in parallel between the negative terminal of the second anti-reverse diode and the filter regulator circuit between the negative terminals of the voltage circuit; the third switch tube is a P-channel enhanced MOS tube, its drain is connected to the negative terminal of the third anti-reverse diode, and its substrate is connected to the source; the fourth anti-reverse diode, Connected in parallel between the source of the third switching tube and the negative terminal of the filter regulator circuit; one end of the first inductor is connected to the source of the third switching tube; the sixth capacitor and the seventh capacitor are connected in parallel to the first inductor Between the other end of the inductor and the negative end of the filter and voltage regulator circuit; the fifth anti-reverse diode, connected in parallel between the other end of the first inductor and the negative end of the filter and voltage regulator circuit; lead-acid battery, connected in parallel to the output of the power output interface Between the positive terminal and the output negative terminal, at the same time, its positive pole is connected to the negative pole of the fifth anti-reverse diode, and its negative pole is connected to the positive pole of the fifth anti-reverse diode; the relay is located between the LED lamp tube and the lead-acid battery, whether it is cut off by The connection between the LED lamp and the lead-acid battery controls the opening and closing of the LED lamp; the optocoupler, located between the relay and the ARM9 processing chip, is used to determine the cut-off operation of the relay under the control of the ARM9 processing chip; the voltage Detector, used for real-time detection of charging voltage of lead-acid battery; current detector, used for real-time detection of charging current of lead-acid battery; solar charge controller, with power output interface, lead-acid battery, voltage detector and current detector Connect separately, when it is detected that the power output interface supplies power to the lead-acid battery, when the received charging voltage is less than the preset battery voltage threshold, the lead-acid battery will be charged by constant current charging, and when the received charging voltage is greater than or equal to When the battery voltage threshold is preset and the received charging current is greater than or equal to the preset battery current threshold, the lead-acid battery is charged by constant voltage charging. When the received charging voltage is greater than or equal to the preset battery voltage threshold and the received charging When the current is less than the preset battery current threshold, the lead-acid battery is charged by floating charging; the ARM9 processing chip is connected to the voltage acquisition device, and when the night judgment signal is received, the solar output interface is disconnected to charge the lead-acid battery. Open the output interface of the wind turbine to charge the lead-acid battery, when receiving Judging the signal during the day, opening the solar output interface to charge the lead-acid battery, disconnecting the wind turbine output interface to charge the lead-acid battery; wherein, the ARM9 processing chip is also connected with the grid of the second switch tube and the grid of the third switch tube. The poles are connected separately, and the PWM control signal is applied to the grid of the second switch tube to determine the on-off of the second switch tube to control the on-off of the output interface of the wind turbine for charging the lead-acid battery. A PWM control signal with an adjustable duty cycle is applied to the grid of the switching tube to control the charging voltage of the lead-acid battery at the output interface of the wind power generator.

More specifically, in the intelligent solar LED street lamp: the wind generator is arranged on the lamp stand.

More specifically, in the intelligent solar LED street lamp, the LED street lamp further includes: a storage device for storing a preset photovoltaic cell voltage threshold.

More specifically, in the intelligent solar LED street lamp: the storage device also pre-stores a preset battery current threshold and a preset battery voltage threshold.

More specifically, in the intelligent solar LED street lamp: the storage device and the ARM9 processing chip are integrated on an integrated circuit board.

Description of drawings

Embodiments of the present invention will be described below in conjunction with the accompanying drawings, wherein:

Fig. 1 is a structural block diagram of an intelligent solar LED street light according to an embodiment of the present invention.

Reference signs: 1 ARM9 processing chip; 2 LED lamp tube; 3 voltage acquisition equipment; 4 photocell; 5 lead-acid battery

Detailed ways

Embodiments of the intelligent solar LED street lamp of the present invention will be described in detail below with reference to the accompanying drawings.

In the prior art, the energy-saving power supply for LED street lamps is mainly focused on solar power, and wind power is rarely used. Solar power cannot be charged in rainy days or dark nights. At the same time, the existing solar power structure has high power consumption and has not been optimized. .

In order to overcome the above shortcomings, the present invention builds an intelligent solar LED street lamp, optimizes the solar power supply circuit and the wind energy power supply circuit, and introduces a compatible circuit to organically combine the two power supply circuits. The voltage acquisition device connected to the power output interface can switch between solar power supply and wind power supply according to the output voltage of the solar panel, so as to ensure the power supply efficiency of LED street lights and save power supply costs.

Fig. 1 is the structural block diagram of the intelligent solar LED street lamp shown according to the embodiment of the present invention, described LED street lamp comprises LED lamp tube, ARM9 processing chip, voltage collection equipment, photocell and lead-acid battery, photocell is lead-acid battery charging, The charged lead-acid battery provides power supply for the ARM9 processing chip, voltage acquisition device and LED lamp. The voltage acquisition device collects the output voltage of the photocell. The ARM9 processing chip is connected to the voltage acquisition device, and the photocell is controlled according to the voltage collected by the voltage acquisition device. Charging of lead-acid batteries.

Next, continue to further describe the specific structure of the intelligent solar LED street lamp of the present invention.

The LED street lamp also includes: a voltage acquisition device, which is arranged on the top of the lamp stand and connected to the power output interface of the photovoltaic cell for collecting the output voltage of the photovoltaic cell. When the output voltage is greater than or equal to the preset photovoltaic cell voltage threshold, a daytime judgment signal is sent, When the output voltage is lower than the preset photocell voltage threshold, a night judgment signal is issued.

The LED street lamp also includes: a photovoltaic cell, which is arranged on the top of the lamp stand, and has an electric energy output interface for outputting electric energy converted from solar energy by the photovoltaic cell. The electric energy output interface includes an output positive terminal and an output negative terminal.

The LED street lamp also includes: a transient voltage suppressor connected in parallel between the positive output terminal and the negative output terminal of the electric energy output interface.

The LED street lamp also includes: a first resistor, one end of which is connected to the positive output terminal of the power output interface, and the other end of which is connected to one end of the second resistor; the other end of the second resistor is connected to the negative output terminal of the power output interface.

The LED street lamp also includes: the main structure of the lift fan, which is arranged on the top of the light frame, and includes three blades, yaw equipment, hubs and transmission equipment; and so on to generate lift, which drives the corresponding blades to rotate; the yaw device is connected with the three blades to provide the reliability of the rotation of the three blades and uncable; the hub is connected to the three blades to fix the three blades, The blades are driven to rotate clockwise after being stressed to convert wind energy into low-speed kinetic energy; transmission equipment includes low-speed shafts, gearboxes, high-speed shafts, support bearings, couplings and disc brakes, and the gearbox passes through low-speed shafts. It is connected to the hub and connected to the wind turbine through a high-speed shaft, which is used to convert the low-speed kinetic energy of the hub into the high-speed kinetic energy required by the wind turbine. The coupling is a flexible shaft used to compensate the output shaft of the gearbox Parallelism deviation and angle error with the generator rotor, the disc brake is a hydraulically operated disc brake for mechanical braking.

The LED street lamp also includes: a wind generator, which is connected to the gear box of the main structure of the lift fan, and is a double-fed asynchronous generator, which is used to convert the received high-speed kinetic energy into wind power energy. The wind generator includes stator windings, Rotor winding, bidirectional back-to-back IGBT voltage source converter and wind turbine output interface, stator winding directly connected to wind turbine output interface, rotor winding connected to wind turbine output interface through bidirectional back-to-back IGBT voltage source converter, wind turbine The output interface is a three-phase AC output interface for outputting wind power.

The LED street lamp also includes: a rectification circuit connected to the output interface of the wind generator, and rectifying the three-phase AC voltage output by the output interface of the wind generator to obtain a wind DC voltage.

The LED street lamp also includes: a filtering and stabilizing circuit connected to the rectifying circuit to filter and stabilize the wind DC voltage to output a stabilizing DC voltage; the third resistor and the fourth resistor are connected in parallel to the filtering and stabilizing circuit after being connected in series Positive and negative terminals, one end of the third resistor is connected to the positive end of the filtering and stabilizing circuit, and one end of the fourth resistor is connected to the negative end of the filtering and stabilizing circuit.

The LED street lamp also includes: a first capacitor and a second capacitor, which are connected in parallel to the positive and negative ends of the filter voltage stabilizing circuit in series, one end of the first capacitor is connected to the positive end of the filter voltage stabilizing circuit, and one end of the second capacitor is connected to the filter voltage stabilizing circuit. The negative terminal of the voltage stabilizing circuit, the other end of the first capacitor is connected to the other end of the third resistor, the other end of the second capacitor is connected to the other end of the fourth resistor; the third capacitor is connected in parallel to the positive and negative terminals of the filter voltage stabilizing circuit ; the fifth resistor, one end of which is connected to the positive end of the filter voltage regulator circuit; the first switch tube is a P-channel enhanced MOS transistor, its drain is connected to the other end of the fifth resistor, and its substrate is connected to the source, Its source is connected with the negative terminal of the filtering and stabilizing circuit.

The LED street lamp also includes: a manual unloading circuit, the two ends of which are respectively connected to the drain and the source of the first switching tube.

The LED street lamp also includes: a first anti-reverse diode, the positive terminal of which is connected to the positive terminal of the filter voltage regulator circuit, and its negative terminal is connected to the drain of the first switching tube; the second switching tube is a P-channel enhanced type MOS tube, its drain is connected to the positive terminal of the filter voltage regulator circuit, its substrate is connected to the source; the second anti-reverse diode, its positive terminal is connected to the source of the second switching tube; the fourth capacitor and the fifth capacitor , are connected in parallel between the negative terminal of the second anti-reverse diode and the negative terminal of the filtering and stabilizing circuit; the third anti-reversing diode is connected in parallel between the negative terminal of the second anti-reversing diode and the negative terminal of the filtering and stabilizing circuit; The third switch tube is a P-channel enhanced MOS tube, its drain is connected to the negative terminal of the third anti-reverse diode, and its substrate is connected to the source; the fourth anti-reverse diode is connected in parallel to the source of the third switch tube between the pole and the negative terminal of the filter voltage regulator circuit; the first inductor, one end of which is connected to the source of the third switching tube; the sixth capacitor and the seventh capacitor are connected in parallel between the other end of the first inductor and the filter regulator circuit between the negative terminals; the fifth anti-reverse diode is connected in parallel between the other terminal of the first inductance and the negative terminal of the filtering and stabilizing circuit.

The LED street lamp also includes: a lead-acid storage battery connected in parallel between the output positive terminal and the output negative terminal of the electric energy output interface, while its positive pole is connected to the negative pole of the fifth anti-reverse diode, and its negative pole is connected to the positive pole of the fifth anti-reverse diode. connect.

The LED street lamp also includes: a relay, located between the LED lamp tube and the lead-acid battery, to control the opening and closing of the LED lamp tube by whether to cut off the connection between the LED lamp tube and the lead-acid battery; an optocoupler, located between the relay and the lead-acid battery. Between the ARM9 processing chips, it is used to determine the cut-off operation of the relay under the control of the ARM9 processing chips.

The LED street lamp also includes: a voltage detector for real-time detection of the charging voltage of the lead-acid battery; a current detector for real-time detection of the charging current of the lead-acid battery; a solar charge controller connected to the power output interface and the lead-acid battery , the voltage detector and the current detector are connected separately. When it is detected that the power output interface supplies power to the lead-acid battery, when the received charging voltage is lower than the preset battery voltage threshold, the lead-acid battery will be charged by constant current charging. When the received charging voltage is greater than or equal to the preset battery voltage threshold and the received charging current is greater than or equal to the preset battery current threshold, the lead-acid battery is charged by constant voltage charging. When the received charging voltage is greater than or equal to the preset When the battery voltage threshold is reached and the received charging current is less than the preset battery current threshold, the lead-acid battery is charged in the float charge mode.

The LED street lamp also includes: an ARM9 processing chip, which is connected to the voltage acquisition device. When the night judgment signal is received, the solar output interface is disconnected to charge the lead-acid battery, and the output interface of the wind turbine is opened to charge the lead-acid battery. After receiving the daytime judgment signal, open the solar output interface to charge the lead-acid battery, and disconnect the wind power generator output interface to charge the lead-acid battery.

Wherein, the ARM9 processing chip is also connected to the grid of the second switching tube and the grid of the third switching tube respectively, and by applying a PWM control signal on the grid of the second switching tube, the on-off of the second switching tube is determined to Control the on-off of the output interface of the wind-driven generator to charge the lead-acid battery, and also apply a PWM control signal with adjustable duty ratio on the grid of the third switch tube to control the output interface of the wind-driven generator to charge the lead-acid battery. Charging voltage.

Optionally, in the intelligent solar LED street lamp: the wind power generator is arranged on the lamp stand; the LED street lamp also includes: a storage device for storing a preset photovoltaic cell voltage threshold; the storage device also pre-stores the preset Battery current threshold and preset battery voltage threshold; storage device and ARM9 processing chip are integrated on one integrated circuit board.

In addition, PWM, or pulse width modulation, is a very effective technique for controlling analog circuits using the digital output of a microprocessor, and is widely used in many fields from measurement, communication to power control and conversion. Pulse Width Modulation is an analog control side Pulse Width Modulation is a very effective technology that uses the digital output of a microprocessor to control analog circuits, and is widely used in many fields from measurement, communication to power control and conversion Pulse width modulation is a very effective technique for controlling analog circuits using the digital output of a microprocessor. It is widely used in many fields from measurement, communication to power control and conversion.

Pulse width modulation is an analog control method, which modulates the bias of the transistor base or MOS transistor gate according to the change of the corresponding load, so as to realize the change of the conduction time of the transistor or MOS transistor, so as to realize the output of the switching regulated power supply. Change. This method can keep the output voltage of the power supply constant when the working conditions change, and it is a very effective technology for controlling the analog circuit by using the digital signal of the microprocessor.

PWM control technology has become the most widely used control method in power electronics technology due to its advantages of simple control, flexibility and good dynamic response. It modulates the bias of the base of the transistor or the gate of the MOS transistor according to the change of the corresponding load to realize the change of the conduction time of the transistor or the MOS transistor, thereby realizing the change of the output of the switching regulated power supply. This method can keep the output voltage of the power supply constant when the working conditions change, and it is a very effective technology for controlling the analog circuit by using the digital signal of the microprocessor.

Adopting the intelligent solar LED street lamp of the present invention, aiming at the technical problems of high power supply cost of LED street lamps in the prior art and incompatibility with wind energy and solar power supply circuits, a voltage collection device connected with the electric energy output interface of the solar panel is adopted to The output voltage of the electric board is used for switching between solar power supply and wind power supply. At the same time, the power supply efficiency of the LED street lamp power supply circuit is further improved by optimizing and combining the solar power supply circuit and the wind power supply circuit.

It can be understood that although the present invention has been disclosed above with preferred embodiments, the above embodiments are not intended to limit the present invention. For any person skilled in the art, without departing from the scope of the technical solution of the present invention, the technical content disclosed above can be used to make many possible changes and modifications to the technical solution of the present invention, or be modified into equivalent changes, etc. effective example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention, which do not deviate from the technical solution of the present invention, still fall within the protection scope of the technical solution of the present invention.

Claims (6)

1. A kind of intelligent solar LED street lamp, described LED street lamp comprises LED lamp tube, ARM9 processing chip, voltage acquisition equipment, photocell and lead-acid storage battery, photocell is lead-acid storage battery charging, and the lead-acid storage battery after charging is ARM9 processing chip , Voltage acquisition equipment and LED lamp tubes provide power supply, the voltage acquisition equipment collects the output voltage of the photocell, the ARM9 processing chip is connected with the voltage acquisition equipment, and controls the charging of the photocell to the lead-acid battery according to the voltage collected by the voltage acquisition equipment. 2. The intelligent solar LED street lamp according to claim 1, wherein the LED street lamp further comprises: The voltage acquisition device is set on the top of the light stand and connected to the power output interface of the photocell to collect the output voltage of the photocell. When the output voltage is greater than or equal to the preset photocell voltage threshold, a daytime judgment signal is sent out. When the output voltage is less than the preset photocell When the voltage threshold is reached, a night judgment signal is issued; The photovoltaic cell is arranged on the top of the light stand and has an electric energy output interface for outputting the electric energy converted by the photovoltaic cell from solar energy. The electric energy output interface includes an output positive terminal and an output negative terminal; The transient voltage suppressor is connected in parallel between the positive output terminal and the negative output terminal of the power output interface; The first resistor, one end of which is connected to the output positive end of the electric energy output interface, and the other end of which is connected to one end of the second resistor; The second resistor, the other end of which is connected to the output negative end of the electric energy output interface; The main structure of the lift fan is set on the top of the light frame, including three blades, yaw equipment, hub and transmission equipment; when the wind passes through the three blades, the pressure on the front and back of each blade is different, and the lift force is generated. The lift force drives the corresponding blades to rotate; the yaw device is connected with the three blades to provide the reliability of the rotation of the three blades and to untie the cable; It is driven to rotate clockwise to convert wind energy into low-speed kinetic energy; the transmission equipment includes low-speed shafts, gearboxes, high-speed shafts, support bearings, couplings and disc brakes. The gearbox is connected to the hub through the low-speed shaft and the high-speed shaft Connected with the wind generator, it is used to convert the low-speed kinetic energy of the hub into the high-speed kinetic energy required by the wind turbine. The coupling is a flexible shaft, which is used to compensate the parallelism between the output shaft of the gearbox and the rotor of the generator Deviation and angle error, disc brake, which is a hydraulically operated disc brake, used for mechanical braking; The wind power generator is connected with the gearbox of the main structure of the lift wind turbine. It is a double-fed asynchronous generator used to convert the received high-speed kinetic energy into wind power. The wind power generator includes stator windings, rotor windings, bidirectional back-to-back IGBT voltage The output interface of the source converter and the wind turbine, the stator winding is directly connected to the output interface of the wind turbine, the rotor winding is connected to the output interface of the wind turbine through a bidirectional back-to-back IGBT voltage source converter, and the output interface of the wind turbine is a three-phase AC output an interface for outputting wind power; The rectifier circuit is connected to the output interface of the wind generator, and rectifies the three-phase AC voltage output by the output interface of the wind generator to obtain a wind DC voltage; Filtering and stabilizing circuit, connected with the rectifying circuit to filter and stabilize the wind power DC voltage, so as to output the regulated DC voltage; The third resistor and the fourth resistor are connected in parallel to the positive and negative ends of the filter voltage stabilization circuit after being connected in series, one end of the third resistor is connected to the positive end of the filter voltage stabilization circuit, and one end of the fourth resistor is connected to the negative end of the filter voltage stabilization circuit; The first capacitor and the second capacitor are connected in parallel to the positive and negative ends of the filter voltage stabilization circuit after being connected in series, one end of the first capacitor is connected to the positive end of the filter voltage stabilization circuit, and one end of the second capacitor is connected to the negative end of the filter voltage stabilization circuit, The other end of the first capacitor is connected to the other end of the third resistor, and the other end of the second capacitor is connected to the other end of the fourth resistor; The third capacitor is connected in parallel to the positive and negative terminals of the filter voltage stabilizing circuit; The fifth resistor, one end of which is connected to the positive end of the filtering and voltage stabilizing circuit; The first switch tube is a P-channel enhanced MOS tube, its drain is connected to the other end of the fifth resistor, its substrate is connected to the source, and its source is connected to the negative end of the filter and voltage regulator circuit; A manual unloading circuit, the two ends of which are respectively connected to the drain and the source of the first switching tube; The first anti-reverse diode, its positive terminal is connected to the positive terminal of the filter voltage regulator circuit, and its negative terminal is connected to the drain of the first switching tube; The second switching tube is a P-channel enhanced MOS tube, its drain is connected to the positive terminal of the filter voltage regulator circuit, and its substrate is connected to the source; The second anti-reverse diode, its positive terminal is connected to the source of the second switching tube; The fourth capacitor and the fifth capacitor are both connected in parallel between the negative terminal of the second anti-reverse diode and the negative terminal of the filtering and stabilizing circuit; The third anti-reverse diode is connected in parallel between the negative end of the second anti-reverse diode and the negative end of the filtering and stabilizing circuit; The third switch tube is a P-channel enhanced MOS tube, its drain is connected to the negative end of the third anti-reverse diode, and its substrate is connected to the source; The fourth anti-reverse diode is connected in parallel between the source of the third switching tube and the negative terminal of the filtering and stabilizing circuit; The first inductance, one end of which is connected to the source of the third switching tube; The sixth capacitor and the seventh capacitor are both connected in parallel between the other end of the first inductor and the negative end of the filtering and stabilizing circuit; The fifth anti-reverse diode is connected in parallel between the other end of the first inductor and the negative end of the filtering and stabilizing circuit; The lead-acid battery is connected in parallel between the output positive terminal and the output negative terminal of the electric energy output interface, and its positive pole is connected to the negative pole of the fifth anti-reverse diode, and its negative pole is connected to the positive pole of the fifth anti-reverse diode; The relay, located between the LED light tube and the lead-acid battery, controls the opening and closing of the LED light tube by whether to cut off the connection between the LED light tube and the lead-acid battery; The optocoupler is located between the relay and the ARM9 processing chip, and is used to determine the cut-off operation of the relay under the control of the ARM9 processing chip; A voltage detector for real-time detection of the charging voltage of the lead-acid battery; A current detector for real-time detection of the charging current of the lead-acid battery; The solar charge controller is connected to the power output interface, lead-acid battery, voltage detector and current detector respectively. When it is detected that the power output interface supplies power to the lead-acid battery, when the received charging voltage is less than the preset battery voltage threshold , use the constant current charging method to charge the lead-acid battery, when the received charging voltage is greater than or equal to the preset battery voltage threshold and the received charging current is greater than or equal to the preset battery current threshold, use the constant voltage charging method to charge the lead-acid battery Charging, when the received charging voltage is greater than or equal to the preset battery voltage threshold and the received charging current is less than the preset battery current threshold, the lead-acid battery is charged by floating charging; The ARM9 processing chip is connected to the voltage acquisition device. When receiving the night judgment signal, disconnect the solar output interface to charge the lead-acid battery, and open the wind turbine output interface to charge the lead-acid battery. When receiving the daytime judgment signal, open the The solar output interface charges the lead-acid battery, and the wind turbine output interface is disconnected to charge the lead-acid battery; Wherein, the ARM9 processing chip is also connected to the grid of the second switching tube and the grid of the third switching tube respectively, and by applying a PWM control signal on the grid of the second switching tube, the on-off of the second switching tube is determined to Control the on-off of the output interface of the wind-driven generator to charge the lead-acid battery, and also apply a PWM control signal with adjustable duty ratio on the grid of the third switch tube to control the output interface of the wind-driven generator to charge the lead-acid battery. Charging voltage. 3. The intelligent solar LED street lamp as claimed in claim 2, characterized in that: The wind power generator is arranged on the light frame. 4. The intelligent solar LED street lamp according to claim 2, wherein the LED street lamp further comprises: The storage device is used for storing the preset photocell voltage threshold. 5. The intelligent solar LED street lamp as claimed in claim 4, characterized in that: The storage device also pre-stores a preset battery current threshold and a preset battery voltage threshold. 6. The intelligent solar LED street lamp according to any one of claims 4-5, characterized in that: The storage device and the ARM9 processing chip are integrated on an integrated circuit board.