Multifunctional solar street lamp controller

By introducing battery power detection, lamp electrical parameter metering, dimming control, lamp switching, and 4G communication units into solar streetlights, the problems of limited functionality and inability to report faults in a timely manner in existing solar streetlights have been solved. This has enabled intelligent streetlight control and unified management, extended battery life, and improved maintenance efficiency.

CN223729955UActive Publication Date: 2025-12-26JUYAN IOT TECH (JIANGSU) CO LTD
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Patent Information

Application Number
CN202423110108.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-26
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing solar streetlights have limited functionality, cannot control the brightness of the lights, cannot achieve unified switching of all streetlights, and cannot report fault information in a timely manner, affecting lighting performance and equipment maintenance.

Method used

A multifunctional solar street light controller was designed, which includes a battery power detection unit, a lamp electrical parameter metering unit, a dimming control unit, a lamp switch control unit, a clock control unit, and a 4G communication unit. Through these units, battery power monitoring, lamp status detection, brightness adjustment, fault reporting, and unified management are realized.

Benefits of technology

The intelligent solar street light control system can detect faults in a timely manner, extend battery life, adjust brightness appropriately, achieve unified management and fault reporting for the entire street light network, and improve maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a multifunctional solar street lamp controller, relates to power supply field, including battery electric quantity detection unit, lamp electrical parameter metering unit, dimming control unit, lamp switch control unit, clock control unit and 4G communication unit, the battery electric quantity monitoring unit includes power supply circuit and battery electric quantity monitoring circuit. According to the utility model, the solar street lamp controller is added on the basis of the original solar power supply module, so that an intelligent solar street lamp control system is formed. Compared with a traditional control system, the system is more complete in function, and fault reporting and electric quantity detection are beneficial for maintenance personnel to find and solve problems in time; a 4G system and a related platform ensure unified management of all equipment state information; meanwhile, the system can independently analyze the current state of the storage battery, reasonably adjust the brightness of the street lamp under the condition of meeting the basic requirements of illumination, reasonably allocate the use of the storage battery, and prolong the service life of the storage battery.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power supply technical field especially points to a kind of multifunctional solar street lamp controller. BACKGROUND

[0002] Current solar street lamp is still using traditional solar power module, function is relatively single, only power function, without intelligent function.

[0003] Meanwhile, the following shortcomings also exist:

[0004] 1, cannot control the brightness of lamp, will lead to in the case where battery power is insufficient, shorten illumination time.

[0005] 2, each street lamp controller can only control current street lamp, cannot achieve the whole road switch light uniformity, also cannot and surrounding mains street lamp achieve unified switch.

[0006] 3, existing controller does not have current detection function, when street lamp fails, cannot report fault information to maintenance man, lead to damaged equipment cannot be replaced in time, influence illumination. INVENTION CONTENTS

[0007] The utility model provides a kind of multifunctional solar street lamp controller to solve the problems mentioned in prior art.

[0008] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0009] A kind of multifunctional solar street lamp controller, including battery power detection unit, lamp electrical parameter measurement unit, light control unit, lamp switch control unit, clock control unit and 4G communication unit, the battery power monitoring unit includes power supply circuit and battery power monitoring circuit, power supply circuit outputs 3.3V voltage respectively connects battery power monitoring circuit, lamp electrical parameter measurement unit, light control unit, lamp switch control unit, clock control unit and 4G communication unit, battery power monitoring circuit, lamp electrical parameter measurement unit, light control unit, lamp switch control unit, clock control unit and 4G communication unit are connected with control center.

[0010] As a further technical scheme of the utility model: the power supply circuit and battery power monitoring circuit include chip U1, chip U10, chip U11, diode D1, diode D5, diode D7, capacitor C1 and inductance L1, the anode of diode D5 is connected fuse F1, the other end of fuse F1 is connected input voltage VD+, the cathode of diode D5 is connected the cathode of diode D7, capacitor C2, capacitor C27 and the pin 2 of chip U1, the anode of diode D7 is grounded, the other end of capacitor C2 is connected the other end of capacitor C28, capacitor C7, capacitor C8, capacitor C89 and ground terminal, the other end of capacitor C9 is connected the pin 4 of chip U1, the other end of capacitor C7 is connected the other end of resistance R2 and capacitor C7, the other end of resistance R2 is connected the other end of capacitor C8, the pin 1 of chip U1 is connected capacitor C1, the other end of capacitor C1 is connected the pin 8 of chip U1, inductance L1 and the anode of diode D1, the pin 5 of chip U1 is connected resistance R1 and resistance R3, the other end of resistance R3 is connected the pin 7 of chip U1, capacitor C6, capacitor C6 and ground terminal, the other end of resistance R1 is connected the other end of capacitor C5, the other end of capacitor C6, capacitor C4, capacitor C34 and the pin 3 of chip U10, the pin 2 of chip U10 is connected capacitor C31, capacitor C35, resistance R21, resistance R23, resistance R24 and resistance R26, the other end of capacitor C4 is connected the other end of capacitor C34, the other end of capacitor C31, the other end of capacitor C35 and ground terminal, the other end of resistance R27 is connected capacitor C27 and the pin 3 of chip U11, the pin 2 of chip U11 is connected resistance R26 and capacitor C26, the other end of resistance R26 is connected battery BAT+, the other end of capacitor C26 is connected the other end of capacitor C27, the pin 4 of chip U11, the pin 6 of chip U11, the pin 9 of chip U11 and ground terminal, the pin 5 of chip U11 is connected the other end of resistance R21 and MCU, the pin 7 of chip U11 is connected the other end of resistance R23 and MCU, the pin 8 of chip U11 is connected the other end of resistance R24 and MCU, and MCU is the core processing unit of control center.

[0011] As a further technical scheme of the utility model: the model of chip U1 is TPS54331, the model of chip U10 is APN2120, and the model of chip U11 is CW2015.

[0012] As a further technical scheme of the utility model: the lamp electric parameter measurement unit includes operational amplifier U7, operational amplifier U9, the pin 3 of operational amplifier U7 is connected resistance R5 and resistance R7, the other end of resistance R7 is grounded, the other end of resistance R26 is connected the pin 2 of operational amplifier U7 and ground terminal, the other end of resistance R5 is connected the pin 4 of operational amplifier U7 and resistance R8, the other end of resistance R8 is connected capacitor C14 and resistance R24, the other end of resistance R9 is connected resistance R6 and resistance R11, the other end of resistance R6 is connected input voltage VD+, the other end of resistance R24 is connected resistance R25 and the pin 3 of operational amplifier U9A, the other end of resistance R25 is connected capacitor C19 and ground terminal, the pin 1 of operational amplifier U9A is connected resistance R22 and resistance R14, the other end of resistance R14 is connected resistance R18 and the pin 2 of operational amplifier U9A, the other end of resistance R19 is grounded, the other end of resistance R22 is connected the other end of capacitor C19 and resistance R23, the other end of resistance R23 is connected the pin 5 of operational amplifier U9B, the pin 7 of operational amplifier U9B is connected resistance R21, and the other end of resistance R21 is connected capacitor C18.

[0013] As a further technical scheme of the utility model: the model of operational amplifier U7 is LM321, and the model of operational amplifier U9 is LM358.

[0014] The clock control unit includes chip U8, resistance R117, resistance R51 and resistance R52, the pin 1 of chip U8 is connected resistance R117, resistance R51 and resistance R52, the pin 8 of chip U8 is connected the positive pole of battery BAT, the pin 2 of chip U8 is connected crystal oscillator XTAL8 and capacitor C86, the pin 3 of chip U8 is connected the other end of crystal oscillator XTAL8 and capacitor C87, the pin 4 of chip U8 is connected the other end of capacitor C86, the other end of capacitor C87 and ground terminal, the pin 5 of chip U8 is connected capacitor C88 and the other end of resistance R117, the pin 6 of chip U8 is connected the other end of resistance R52, and the pin 7 of chip U8 is connected the other end of resistance R51.

[0015] As a further technical scheme of the utility model: the model of chip U8 is DS1302.

[0016] As a further technical scheme of the utility model: the light control unit includes photoelectric coupler OP3, diode D and diode D4, the lamp switch control unit includes MOS tube Q4, resistance R12 and resistance R31, the pin 1 of photoelectric coupler OP3 is connected resistance R10, the pin 2 of photoelectric coupler OP3 is connected the collector of triode Q9, the emitter of triode Q9 is connected resistance R49 and ground terminal, the base of triode Q9 is connected resistance R47 and the other end of resistance R49, the pin 3 of photoelectric coupler OP3 is grounded, the pin 4 of photoelectric coupler OP3 is connected resistance R34, resistance R39, the negative pole of diode D2, the negative pole of diode D4 and capacitor C13, the other end of capacitor C13 is grounded, the other end of resistance R34 is connected input voltage VD+, the other end of resistance R39 is connected the positive pole of diode D4, resistance R45 and the gate of MOS tube Q4, the source of MOS tube Q4 is connected the other end of resistance R45, resistance R12 and resistance R31, the other end of resistance R12 is connected the other end of resistance R31 and ground terminal, the drain of MOS tube Q4 is connected LED1-.

[0017] As a further technical scheme of the utility model: the model of photoelectric coupler OP3 is EL357N.

[0018] As a further technical scheme of the utility model: 4G communication unit adopts EC600S chip.

[0019] In the above technical scheme, the technical effect and advantage provided by the utility model are:

[0020] The utility model adds solar street lamp controller on the basis of original solar power module, forms intelligent solar street lamp control system.Compared with traditional control system, it is more perfect in function, and the fault reporting and electric quantity detection are all favorable for maintenance personnel to find and solve problems in time;4G system and related platform ensure the unified management of all equipment state information;Meanwhile, it can also independently analyze the current state of storage battery, reasonably adjust the brightness of street lamp under the basic requirement of lighting, reasonably allocate the use of storage battery and prolong the service life of battery. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0022] Figure 1 It is the overall block diagram of the utility model.

[0023] Figure 2 is a circuit diagram of a power supply unit and a battery power monitoring unit.

[0024] Figure 3 is a circuit diagram of a lamp electrical parameter metering unit.

[0025] Figure 4 is a circuit diagram of a clock control unit.

[0026] Figure 5 is a circuit diagram of a dimming control unit and a lamp switch control unit.

[0027] Figure 6 is a circuit diagram of a 4G communication unit.

[0028] Figure 7 is a circuit diagram of a system connection diagram. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions used herein are for illustrative purposes only, and do not represent the only implementation.

[0031] Unless otherwise defined, all the technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs; the terms used in the specification of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0032] Embodiment 1, as Figure 1The utility model provides a kind of multifunctional solar street lamp controller, including battery power detection unit, luminaire electric parameter measurement unit, light control unit, luminaire switch control unit, clock control unit and 4G communication unit, the battery power monitoring unit includes power supply circuit and battery power monitoring circuit, power supply circuit output 3.3V voltage is connected battery power monitoring circuit, luminaire electric parameter measurement unit, light control unit, luminaire switch control unit, clock control unit and 4G communication unit respectively, battery power monitoring circuit, luminaire electric parameter measurement unit, light control unit, luminaire switch control unit, clock control unit and 4G communication unit are connected with control center.

[0033] The design forms intelligent solar street lamp control system after increasing solar street lamp controller on the basis of original solar power module.Compared with traditional control system, it is more perfect in function, and fault reporting and power detection are beneficial for maintenance personnel to find and solve problems in time;4G system and related platform ensure the unified management of all equipment state information;Meanwhile, it can also independently analyze the current state of storage battery, reasonably adjust the brightness of street lamp under the basic requirement of lighting, reasonably allocate the use of storage battery, and prolong the service life of battery.

[0034] In embodiment 2, on the basis of embodiment 2, as Figure 2As shown, the power supply circuit and the battery power monitoring circuit include chip U1, chip U10, chip U11, diode D1, diode D5, diode D7, capacitor C1 and inductor L1, the positive electrode of diode D5 is connected with fuse F1, the other end of fuse F1 is connected with input voltage VD+, the negative electrode of diode D5 is connected with the negative electrode of diode D7, capacitor C2, capacitor C27 and pin 2 of chip U1, the positive electrode of diode D7 is grounded, the other end of capacitor C2 is connected with the other end of capacitor C28, capacitor C7, capacitor C8, capacitor C89 and the ground terminal, pin 4 of chip U1 is connected with the other end of capacitor C9, pin 6 of chip U1 is connected with the other end of resistor R2 and capacitor C7, the other end of resistor R2 is connected with the other end of capacitor C8, pin 1 of chip U1 is connected with capacitor C1, pin 8 of chip U1 is connected with the other end of capacitor C1, inductor L1 and the positive electrode of diode D1, pin 5 of chip U1 is connected with resistor R1 and resistor R3, pin 7 of chip U1 is connected with the other end of resistor R3, capacitor C6, capacitor C6 and the ground terminal, the other end of inductor L1 is connected with the other end of resistor R1, the other end of capacitor C5, the other end of capacitor C6, capacitor C4, capacitor C34 and pin 3 of chip U10, pin 2 of chip U10 is connected with capacitor C31, capacitor C35, resistor R21, resistor R23, resistor R24 and resistor R26, the other end of capacitor C4 is connected with the other end of capacitor C34, the other end of capacitor C31, the other end of capacitor C35 and the ground terminal, the other end of resistor R27 is connected with capacitor C27 and pin 3 of chip U11, pin 2 of chip U11 is connected with resistor R26 and capacitor C26, the other end of resistor R26 is connected with the positive terminal of external battery, the other end of capacitor C26 is connected with the other end of capacitor C27, pin 4 of chip U11, pin 6 of chip U11, pin 9 of chip U11 and the ground terminal, pin 5 of chip U11 is connected with the other end of resistor R21 and MCU, pin 7 of chip U11 is connected with the other end of resistor R23 and MCU, pin 8 of chip U11 is connected with the other end of resistor R24 and MCU, and the MCU controls the core processing unit of the center.

[0035] Among them, the model of chip U1 is TPS54331, the model of chip U10 is APN2120, and the model of chip U11 is CW2015.

[0036] In example 3, on the basis of example 2, as Figure 3As shown, the lamp electrical parameter measurement unit includes operational amplifier U7, operational amplifier U9, pin 3 of operational amplifier U7 is connected with resistor R5 and resistor R7, the other end of resistor R7 is grounded, the other end of resistor R26 is connected with pin 2 of operational amplifier U7 and the ground terminal, the other end of resistor R5 is connected with pin 4 of operational amplifier U7 and resistor R8, the other end of resistor R8 is connected with capacitor C14 and resistor R24, the other end of resistor R9 is connected with resistor R6 and resistor R11, the other end of resistor R6 is connected with input voltage VD+, the other end of resistor R24 is connected with resistor R25 and pin 3 of operational amplifier U9, the other end of resistor R25 is connected with capacitor C19 and the ground terminal, pin 1 of operational amplifier U9 is connected with resistor R22 and resistor R14, the other end of resistor R14 is connected with resistor R18 and pin 2 of operational amplifier U9, the other end of resistor R19 is grounded, the other end of resistor R22 is connected with the other end of capacitor C19 and resistor R23, the other end of resistor R23 is connected with pin 5 of operational amplifier U9, pin 7 of operational amplifier U9 is connected with resistor R21, the other end of resistor R21 is connected with capacitor C18. Among them, the model of operational amplifier U7 is LM321, and the model of operational amplifier U9 is LM358.

[0037] Embodiment 4, on the basis of embodiment 4, as Figure 4 As shown, the clock control unit includes chip U8, resistor R117, resistor R51 and resistor R52, pin 1 of chip U8 is connected with resistor R117, resistor R51 and resistor R52, pin 8 of chip U8 is connected with the positive electrode of lithium battery BAT, pin 2 of chip U8 is connected with crystal oscillator XTAL8 and capacitor C86, pin 3 of chip U8 is connected with the other end of crystal oscillator XTAL8 and capacitor C87, pin 4 of chip U8 is connected with the other end of capacitor C86, the other end of capacitor C87 and the ground terminal, pin 5 of chip U8 is connected with capacitor C88 and the other end of resistor R117, pin 6 of chip U8 is connected with the other end of resistor R52, pin 7 of chip U8 is connected with the other end of resistor R51. The model of chip U8 is DS1302.

[0038] Embodiment 5, on the basis of embodiment 5, as Figure 5As shown, the light control unit includes optocoupler OP3, diode D and diode D4, the lamp switch control unit includes MOS tube Q4, resistor R12 and resistor R31, pin 1 of optocoupler OP3 is connected to resistor R10, pin 2 of optocoupler OP3 is connected to the collector of triode Q9, the emitter of triode Q9 is connected to resistor R49 and ground, the base of triode Q9 is connected to resistor R47 and the other end of resistor R49, pin 3 of optocoupler OP3 is grounded, pin 4 of optocoupler OP3 is connected to resistor R34, resistor R39, the negative electrode of diode D2, the negative electrode of diode D4 and capacitor C13, the other end of capacitor C13 is grounded, the other end of resistor R34 is connected to input voltage VD+, the other end of resistor R39 is connected to the positive electrode of diode D4, resistor R45 and the gate of MOS tube Q4, the source of MOS tube Q4 is connected to the other end of resistor R45, resistor R12 and resistor R31, the other end of resistor R12 is connected to the other end of resistor R31 and ground, the drain of MOS tube Q4 is connected to LED1-. The model of optocoupler OP3 is EL357N.

[0039] On the basis of example 6, as shown in Figure 6 The 4G communication unit uses EC600S chip.

[0040] The working principle is as follows:

[0041] As shown in Figure 2 The battery power monitoring unit includes power supply and battery power monitoring, the power supply system of the solar street lamp controller is derived from the storage battery, the input end of U1 power supply unit can adapt to 24V and 12V storage battery. U11 battery power monitoring unit can collect and analyze the charge and discharge information of the storage battery and the current power, which is used for fault detection and brightness adjustment.

[0042] As shown in Figure 3 The solar street lamp controller collects the current and voltage of the lamp end through U7 and U9 respectively, which can detect the running state of the lamp and quickly find out the fault problem, and can also judge the remaining running life of the lamp bead according to the current and voltage values of the two ends of the lamp bead.

[0043] As shown in Figure 4 The clock control unit optimizes the on-off time of the lamp every day by obtaining the base station time and latitude and longitude information, so as to truly synchronize with the power supply equipment.

[0044] As shown in Figure 5As shown, the dimming control unit adopts PWM mode to dim the loop of the lamp, and through adjusting the duty cycle, the brightness of the lamp can be controlled by adjusting the average current without dimming control signal. The dimming control unit has the function of lamp switch, and can be controlled by the platform in the form of longitude and latitude or timing instead of switching on and off according to the illumination.

[0045] As shown in the Figure 6 As shown, the solar controller adopts 4G communication mode, which can complete the interaction between the terminal and the platform in time, realize the requirements of human controllability, fault accurate reporting and unified management of the mains solar system.

[0046] As shown in the Figure 7 As shown, the solar controller adopts 4G communication mode, which can complete the interaction between the terminal and the platform in time, realize the requirements of human controllability, fault accurate reporting and unified management of the mains solar system.

[0047] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0048] In addition, it should be understood that although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment have been properly combined to form other embodiments easily understood by those skilled in the art.

Claims

1. A multifunctional solar street lamp controller comprising a battery power detection unit, a lamp electrical parameter metering unit, a dimming control unit, a lamp switch control unit, a clock control unit and a 4G communication unit, characterized in that, The battery power monitoring unit comprises a power supply circuit and a battery power monitoring circuit, the power supply circuit outputs a 3.3V voltage connected to the battery power monitoring circuit, the luminaire electric parameter measurement unit, the dimming control unit, the luminaire switch control unit, the clock control unit and the 4G communication unit respectively, and the battery power monitoring circuit, the luminaire electric parameter measurement unit, the dimming control unit, the luminaire switch control unit, the clock control unit and the 4G communication unit are connected with the control center.

2. The multifunctional solar street light controller according to claim 1, wherein: The power supply circuit and the battery power monitoring circuit comprise a chip U1, a chip U10, a chip U11, a diode D1, a diode D5, a diode D7, a capacitor C1 and an inductor L1, the positive electrode of the diode D5 is connected with a fuse F1, the other end of the fuse F1 is connected with an input voltage VD+, the negative electrode of the diode D5 is connected with the negative electrode of the diode D7, a capacitor C2, a capacitor C27 and a pin 2 of the chip U1, the positive electrode of the diode D7 is grounded, the other end of the capacitor C2 is connected with the other end of a capacitor C28, a capacitor C7, a capacitor C8, a capacitor C89 and a ground terminal, the other end of the capacitor C9 is connected with a pin 4 of the chip U1, the other end of the resistor R2 and the capacitor C7 is connected with a pin 6 of the chip U1, the other end of the capacitor C8 is connected with the other end of the resistor R2, a pin 1 of the chip U1 is connected with the capacitor C1, the other end of the capacitor C1, the inductor L1 and the positive electrode of the diode D1 are connected with a pin 8 of the chip U1, a pin 5 of the chip U1 is connected with the resistor R1 and the resistor R3, the other end of the resistor R3, the capacitor C6 and the ground terminal are connected with a pin 7 of the chip U1, the other end of the resistor R1, the other end of the capacitor C5, the other end of the capacitor C6, the capacitor C4, the capacitor C34 and a pin 3 of the chip U10 are connected with the other end of the inductor L1, a pin 2 of the chip U10 is connected with the capacitor C31, the capacitor C35, the resistor R21, the resistor R23, the resistor R24 and the resistor R26, the other end of the capacitor C4, the other end of the capacitor C31, the other end of the capacitor C35 and the ground terminal are connected with the other end of the capacitor C34, the other end of the capacitor C27 and a pin 3 of the chip U11 are connected with the other end of the resistor R27, a pin 2 of the chip U11 is connected with the resistor R26 and the capacitor C26, the other end of the resistor R26 is connected with a battery BAT+, the other end of the capacitor C26, a pin 4 of the chip U11, a pin 6 of the chip U11, a pin 9 of the chip U11 and the ground terminal are connected with the other end of the capacitor C27, a pin 5 of the chip U11 is connected with the other end of the resistor R21 and an MCU, a pin 7 of the chip U11 is connected with the other end of the resistor R23 and the MCU, a pin 8 of the chip U11 is connected with the other end of the resistor R24 and the MCU, and the MCU is a core processing unit of the control center.

3. The multifunctional solar street light controller according to claim 2, wherein: The model of the chip U1 is TPS54331, the model of the chip U10 is APN2120, and the model of the chip U11 is CW2015.

4. The multifunctional solar street light controller according to claim 1, wherein: The lamp electrical parameter measurement unit includes operational amplifier U7, operational amplifier U9, pin 3 of operational amplifier U7 is connected with resistor R5 and resistor R7, the other end of resistor R7 is grounded, the other end of resistor R26 is connected with pin 2 of operational amplifier U7 and ground terminal, the other end of resistor R5 is connected with pin 4 of operational amplifier U7 and resistor R8, the other end of resistor R8 is connected with capacitor C14 and resistor R24, the other end of resistor R9 is connected with resistor R6 and resistor R11, the other end of resistor R6 is connected with input voltage VD+, the other end of resistor R24 is connected with resistor R25 and pin 3 of operational amplifier U9A, the other end of resistor R25 is connected with capacitor C19 and ground terminal, pin 1 of operational amplifier U9A is connected with resistor R22 and resistor R14, the other end of resistor R14 is connected with resistor R18 and pin 2 of operational amplifier U9A, the other end of resistor R19 is grounded, the other end of resistor R22 is connected with the other end of capacitor C19 and resistor R23, the other end of resistor R23 is connected with pin 5 of operational amplifier U9B, pin 7 of operational amplifier U9B is connected with resistor R21, the other end of resistor R21 is connected with capacitor C18.

5. The multifunctional solar street light controller according to claim 4, wherein: The model of operational amplifier U7 is LM321, and the model of operational amplifier U9 is LM358.

6. The multifunctional solar street light controller according to claim 1, wherein: The clock control unit includes chip U8, resistor R117, resistor R51 and resistor R52, pin 1 of chip U8 is connected with resistor R117, resistor R51 and resistor R52, pin 8 of chip U8 is connected with the positive electrode of battery BAT, pin 2 of chip U8 is connected with crystal oscillator XTAL8 and capacitor C86, pin 3 of chip U8 is connected with the other end of crystal oscillator XTAL8 and capacitor C87, pin 4 of chip U8 is connected with the other end of capacitor C86, the other end of capacitor C87 and ground terminal, pin 5 of chip U8 is connected with capacitor C88 and the other end of resistor R117, pin 6 of chip U8 is connected with the other end of resistor R52, pin 7 of chip U8 is connected with the other end of resistor R51.

7. The multifunctional solar street light controller according to claim 6, wherein: The model of chip U8 is DS1302.

8. The multi-functional solar street light controller according to claim 1, wherein: The light adjusting control unit comprises a photocoupler OP3, a diode D and a diode D4, the lamp switch control unit comprises a MOS tube Q4, a resistor R12 and a resistor R31, a pin 1 of the photocoupler OP3 is connected with the resistor R10, a pin 2 of the photocoupler OP3 is connected with a collector of a triode Q9, an emitter of the triode Q9 is connected with the resistor R49 and a ground terminal, a base of the triode Q9 is connected with the resistor R47 and another end of the resistor R49, a pin 3 of the photocoupler OP3 is grounded, a pin 4 of the photocoupler OP3 is connected with the resistor R34, the resistor R39, a negative electrode of the diode D2, a negative electrode of the diode D4 and a capacitor C13, another end of the capacitor C13 is grounded, another end of the resistor R34 is connected with an input voltage VD+, another end of the resistor R39 is connected with a positive electrode of the diode D4, the resistor R45 and a gate of the MOS tube Q4, a source of the MOS tube Q4 is connected with another end of the resistor R45, the resistor R12 and the resistor R31, another end of the resistor R12 is connected with another end of the resistor R31 and the ground terminal, a drain of the MOS tube Q4 is connected with the LED1-.

9. The multifunctional solar street light controller according to claim 8, wherein: The model of the photocoupler OP3 is EL357N.

10. The multi-functional solar street light controller according to claim 1, wherein: The 4G communication unit adopts an EC600S chip.