Urban intelligent lighting system

Abstract

The invention discloses an urban intelligent lighting system, and relates to the technical field of urban lighting, and the system comprises a main photovoltaic module which is used for photoelectric conversion and power supply; the central control module is used for module control and signal transmission; the adjacent photovoltaic modules are used for gathering the electric energy provided by the left photovoltaic power supply and the right photovoltaic power supply and supplying power; the main illumination control module is used for constant current adjustment and brightness adjustment; the power supply trigger module is used for performing illumination detection on the adjacent left illuminating lamp and the adjacent right illuminating lamp, and controlling the central control module to perform signal transmission when the adjacent left illuminating lamp does not perform illumination or the adjacent right illuminating lamp does not perform illumination; the left side illumination module is used for constant-current adjustment and illumination; the right side illumination module is used for constant-current adjustment and illumination; and the illumination adjusting module is used for controlling the brightness of the main illumination control module. The urban intelligent lighting system can meet the lighting control of adjacent lighting lamps, improve the lighting effect and perform energy-saving lighting.

Description

Technical Field

[0001] The present invention relates to the technical field of urban lighting, and in particular to an urban intelligent lighting system. Background Art

[0002] With the rapid development of my country's economy and technology, the use of LED street lighting has gradually become an indispensable part of every city's construction. The existing urban smart lighting system generally adopts photovoltaic energy storage power supply, which converts light energy into electrical energy and stores it to power LED street lights at night. However, LED street lights are prone to problems such as line aging or LED lamp failure, which leads to the inability to perform normal lighting control, reducing the city's lighting effect. In addition, since each adjacent LED street lamp cannot perform electric energy interactive control, the photovoltaic energy storage power supply of the failed LED street lamp cannot be used, so there is room for improvement. Summary of the invention

[0003] The embodiment of the present invention provides a city smart lighting system to solve the problems raised in the above background technology.

[0004] According to an embodiment of the present invention, there is provided an urban smart lighting system, comprising: a main photovoltaic module, a central control module, adjacent photovoltaic modules, a main lighting control module, a power supply trigger module, a left lighting module, a right lighting module and a lighting adjustment module;

[0005] A main photovoltaic module, connected to the central control module, for performing photoelectric conversion, energy storage and discharge, and providing first electric energy, and transmitting the first electric energy to the main lighting control module upon receiving a first pulse signal output by the central control module;

[0006] A central control module, connected to the main lighting control module, the power supply trigger module, the left lighting module and the right lighting module, for outputting a first pulse signal, outputting a second pulse signal and controlling the constant current lighting operation of the main lighting control module, transmitting the second pulse signal to the left lighting module upon receiving the first trigger signal output by the power supply trigger module, and transmitting the second pulse signal to the right lighting module upon receiving the second trigger signal output by the power supply trigger module;

[0007] An adjacent photovoltaic module, connected to the power supply trigger module, is used to receive the first photovoltaic power provided by the left photovoltaic power source, receive the second photovoltaic power provided by the right photovoltaic power source, and when receiving the first trigger signal output by the power supply trigger module, aggregate the first photovoltaic power and output the second power, and when receiving the second trigger signal output by the power supply trigger module, aggregate the second photovoltaic power and output the second power;

[0008] A main lighting control module, connected to the main photovoltaic module and the lighting adjustment module, for receiving the first electric energy and performing constant current regulation and lighting work when receiving the second pulse signal, and reducing the lighting brightness when receiving the first adjustment signal output by the lighting adjustment module;

[0009] A power supply trigger module, used to perform light detection on the adjacent left lighting lamp, and output a first trigger signal when a first pulse signal is received and the adjacent left lighting lamp is not detected to be performing lighting work, and to perform light detection on the adjacent right lighting lamp, and output a second trigger signal when a first pulse signal is received and the adjacent right lighting lamp is not detected to be performing lighting work;

[0010] The left lighting module is connected to the adjacent photovoltaic module and is used to receive the second electric energy and perform constant current regulation on the second electric energy and perform lighting work when receiving the second pulse signal;

[0011] The right lighting module is connected to the adjacent photovoltaic module and is used to receive the second electric energy and perform constant current regulation on the second electric energy and perform lighting work when receiving the second pulse signal;

[0012] The lighting adjustment module is connected to the central control module and is used to perform addition processing on the second pulse signal transmitted by the central control module to the left lighting module and the second pulse signal transmitted by the central control module to the right lighting module and output a first adjustment signal.

[0013] As a further solution of the present invention: the main photovoltaic module includes a photovoltaic power source, a first capacitor and a first field effect transistor; the central control module includes a first controller;

[0014] Preferably, the first end of the photovoltaic power supply is connected to one end of the first capacitor and the drain of the first field effect transistor, the source of the first field effect transistor is connected to the main lighting control module, the other end of the first capacitor is connected to the second end of the photovoltaic power supply and the ground, and the gate of the first field effect transistor is connected to the IO1 end of the first controller and the power supply trigger module.

[0015] As a further solution of the present invention: the main lighting control module includes a first operational amplifier, a first thyristor, a first resistor, a first triode, a second resistor, a third resistor, a second triode and a main lighting lamp;

[0016] Preferably, the first end of the main lighting lamp is connected to the source of the first field effect transistor, the second end of the main lighting lamp is connected to the collector of the second transistor, the emitter of the second transistor is connected to the inverting end of the first operational amplifier and is connected to the emitter and ground of the first transistor through a third resistor, the non-inverting end of the first operational amplifier is connected to one end of the first thyristor, the other end of the first thyristor is connected to the IO2 end of the first controller, the control end of the first thyristor is connected to the collector of the first transistor and is connected to the first end of the photovoltaic power supply through the first resistor, the base of the first transistor is connected to the lighting adjustment module, and the base of the second transistor is connected to the output end of the first operational amplifier through the second resistor.

[0017] As a further solution of the present invention: the adjacent photovoltaic modules include a left photovoltaic power interface, a second field effect transistor, a right photovoltaic power interface, a third field effect transistor and a DC bus;

[0018] Preferably, the first end of the left photovoltaic power interface is connected to the drain of the second field effect transistor, the source of the second field effect transistor is connected to the first end of the DC bus and the source of the third field effect transistor, the drain of the third field effect transistor is connected to the first end of the right photovoltaic power interface, and the second end of the left photovoltaic power interface is connected to the second end of the right photovoltaic power interface and the second end of the DC bus.

[0019] As a further solution of the present invention: the power supply trigger module includes a first potentiometer, a first photoresistor, a fifth triode, an eighth resistor, a first crystal diode, a first logic gate device and a first trigger device; the central control module also includes a first gating switch;

[0020] Preferably, one end of the first potentiometer is connected to the first end of the left photovoltaic power interface and the collector of the fifth transistor, the other end of the first potentiometer and the slider end are both connected to the base of the fifth transistor and connected to one end of the eighth resistor and the ground end through the first photoresistor, the other end of the eighth resistor is connected to the collector of the fifth transistor and the B end of the first logic gate device, the A end of the first logic gate device and the first trigger end of the first trigger device are both connected to the IO1 end of the first controller, the Y end of the first logic gate device is connected to the gate of the second field effect transistor and the CTRL1 end of the first selection switch, the anode of the second crystal diode is connected to the IO1 end of the first controller, the IN1 end and the IN2 end of the first selection switch are both connected to the IO2 end of the first controller, the control end of the first trigger device is connected to the gate of the third field effect transistor, the power end of the first trigger device is connected to the right photovoltaic power interface, and the second trigger end of the first trigger device is connected to the CTRL2 end of the first selection switch.

[0021] As a further solution of the present invention: the left lighting module includes a left auxiliary lighting lamp, a third triode, a fifth resistor, a fourth resistor and a second operational amplifier;

[0022] Preferably, the first end of the left auxiliary lighting lamp is connected to the first end of the DC bus, the second end of the left auxiliary lighting lamp is connected to the collector of the third transistor, the emitter of the third transistor is connected to the inverting end of the second operational amplifier and grounded through the fifth resistor, the non-inverting end of the second operational amplifier is connected to the OUT1 end of the first selection switch and the lighting adjustment module, and the output end of the second operational amplifier is connected to the base of the third transistor through the fourth resistor.

[0023] As a further solution of the present invention: the right lighting module includes a right auxiliary lighting lamp, a fourth transistor, a seventh resistor, a sixth resistor and a third operational amplifier;

[0024] Preferably, the first end of the right auxiliary lighting lamp is connected to the first end of the DC bus, the second end of the right auxiliary lighting lamp is connected to the collector of the fourth transistor, the emitter of the fourth transistor is connected to the inverting end of the third operational amplifier and grounded through the seventh resistor, the output end of the third operational amplifier is connected to the base of the fourth transistor through the sixth resistor, and the non-inverting end of the third operational amplifier is connected to the OUT2 end of the first selection switch and the lighting adjustment module.

[0025] As a further solution of the present invention: the lighting adjustment module includes a ninth resistor, a tenth resistor, a second crystal diode, a third crystal diode, an eleventh resistor, a twelfth resistor, a fourth operational amplifier and a thirteenth resistor;

[0026] Preferably, the anode of the second crystal diode and the anode of the third crystal diode are respectively connected to the OUT1 terminal and the OUT2 terminal of the first selection switch, the cathode of the second crystal diode is connected to the in-phase terminal of the fourth operational amplifier and one end of the tenth resistor through a ninth resistor, the other end of the tenth resistor is connected to the cathode of the third crystal diode, the inverting terminal of the fourth operational amplifier is connected to one end of the twelfth resistor and is grounded through an eleventh resistor, and the output terminal of the fourth operational amplifier is connected to the other end of the twelfth resistor and is connected to the base of the first transistor through a thirteenth resistor.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows: the urban smart lighting system of the present invention can perform photoelectric conversion, energy storage and power supply by the main photovoltaic module and supply power to the main lighting control module, the lighting work of the main lighting control module is triggered by the central control module, and the power supply trigger module performs lighting detection on the lighting lamp adjacent to the left side or the lighting lamp adjacent to the right side of the main lighting control module, and when the main lighting control module is lighting and the adjacent lighting lamp on the left side is not lighting, the adjacent photovoltaic module is controlled to supply power to the left lighting module and the left lighting module replaces the adjacent lighting lamp on the left side for lighting, and when the main lighting control module is lighting and the adjacent lighting lamp on the right side is not lighting, the adjacent photovoltaic module is controlled to supply power to the right lighting module and the right lighting module replaces the adjacent lighting lamp on the right side for lighting, thereby improving the urban lighting effect, and at the same time the lighting adjustment module reduces the brightness of the main lighting control module to perform energy-saving lighting control. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0029] Figure 1 A schematic block diagram of a city smart lighting system provided by an embodiment of the present invention.

[0030] Figure 2 A circuit diagram of a city smart lighting system provided in an embodiment of the present invention.

[0031] Figure 3 A circuit diagram of a power supply trigger module provided in an embodiment of the present invention.

[0032] Figure 4 A circuit diagram of a lighting adjustment module provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In one embodiment, see Figure 1, an urban smart lighting system, comprising: a main photovoltaic module 1, a central control module 2, an adjacent photovoltaic module 3, a main lighting control module 4, a power supply trigger module 5, a left lighting module 6, a right lighting module 7 and a lighting adjustment module 8;

[0035] Specifically, the main photovoltaic module 1 is connected to the central control module 2, and is used for performing photoelectric conversion, energy storage and discharge, and providing the first electric energy, and when receiving the first pulse signal output by the central control module 2, transmits the first electric energy to the main lighting control module 4;

[0036] The central control module 2 is connected to the main lighting control module 4, the power supply trigger module 5, the left lighting module 6 and the right lighting module 7, and is used to output a first pulse signal, output a second pulse signal and control the constant current lighting operation of the main lighting control module 4, and transmit the second pulse signal to the left lighting module 6 when receiving the first trigger signal output by the power supply trigger module 5, and transmit the second pulse signal to the right lighting module 7 when receiving the second trigger signal output by the power supply trigger module 5;

[0037] The adjacent photovoltaic module 3 is connected to the power supply trigger module 5, and is used to receive the first photovoltaic power provided by the left photovoltaic power source, receive the second photovoltaic power provided by the right photovoltaic power source, and when receiving the first trigger signal output by the power supply trigger module 5, aggregate the first photovoltaic power and output the second power, and when receiving the second trigger signal output by the power supply trigger module 5, aggregate the second photovoltaic power and output the second power;

[0038] A main lighting control module 4 is connected to the main photovoltaic module 1 and the lighting adjustment module 8, and is used to receive the first electric energy and perform constant current regulation and lighting work when receiving the second pulse signal, and reduce the lighting brightness when receiving the first adjustment signal output by the lighting adjustment module 8;

[0039] The power supply trigger module 5 is used to perform light detection on the adjacent left lighting lamp, and output a first trigger signal when receiving a first pulse signal and not detecting that the adjacent left lighting lamp is performing lighting work, and to perform light detection on the adjacent right lighting lamp, and output a second trigger signal when receiving a first pulse signal and not detecting that the adjacent right lighting lamp is performing lighting work;

[0040] The left lighting module 6 is connected to the adjacent photovoltaic module 3 and is used to receive the second electric energy and perform constant current regulation on the second electric energy and perform lighting work when receiving the second pulse signal;

[0041] The right lighting module 7 is connected to the adjacent photovoltaic module 3 and is used to receive the second electric energy and perform constant current regulation on the second electric energy and perform lighting work when receiving the second pulse signal;

[0042] The lighting adjustment module 8 is connected to the central control module 2, and is used to perform addition processing on the second pulse signal transmitted by the central control module 2 to the left lighting module 6 and the second pulse signal transmitted by the central control module 2 to the right lighting module 7, and output a first adjustment signal.

[0043] In a specific embodiment, the main photovoltaic module 1 can adopt a photovoltaic circuit composed of a photovoltaic power source, a capacitor and a field effect transistor, which can perform photoelectric conversion, electric energy storage and power supply control; the central control module 2 can adopt a central control circuit composed of a single-chip microcomputer and an analog switch, in which the single-chip microcomputer integrates many components such as an arithmetic unit, a controller, a memory and an input and output device to realize functions such as signal processing, data storage, module control, and timing control, and the analog switch performs signal transmission control; the adjacent photovoltaic module 3 can adopt an adjacent photovoltaic circuit composed of a DC bus, a field effect transistor, a photovoltaic power supply interface, etc., and the photovoltaic power supply interface can be connected to the photovoltaic power supply of an independent lighting street lamp adjacent to the left side of the main lighting lamp in the main lighting control module 4, and then receive the electric energy provided by the adjacent left lighting lamp, and can also be connected to the photovoltaic power supply of an independent lighting street lamp adjacent to the right side of the main lighting lamp in the main lighting control module 4, and then receive the electric energy provided by the adjacent right lighting lamp, and perform electric energy aggregation processing on the received electric energy and perform power supply control; the main lighting control module 4 can adopt The main lighting control circuit composed of the main lighting lamp, triode, operational amplifier, thyristor, etc. can be controlled by the central control module 2 and perform lighting work, and the brightness can be adjusted by the lighting adjustment module 8; the above-mentioned power supply trigger module 5 can adopt a power supply trigger circuit composed of a photoresistor, a triode, a logic gate device, a first trigger device, etc., and can perform light detection on the independent lighting street lamp adjacent to the left side of the main lighting lamp and the independent lighting street lamp adjacent to the right side of the main lighting lamp, and then determine whether the independent lighting street lamp adjacent to the left side of the main lighting lamp and the independent lighting street lamp adjacent to the right side of the main lighting lamp are performing lighting work normally; the above-mentioned left lighting module 6 can adopt a left lighting circuit composed of a lighting lamp, a triode, an operational amplifier, etc. to perform lighting work; the above-mentioned right lighting module 7 can adopt a right lighting circuit composed of a lighting lamp, a triode, an operational amplifier, etc. to perform lighting work; the above-mentioned lighting adjustment module 8 can adopt a lighting adjustment circuit composed of a resistor, a crystal diode, and an operational amplifier, which can perform addition operations and adjust the brightness of the main lighting control module 4.

[0044] In another embodiment, see Figure 1 , Figure 2 , Figure 3 and Figure 4 , the main photovoltaic module 1 includes a photovoltaic power source, a first capacitor C1 and a first field effect transistor Q1; the central control module 2 includes a first controller U1;

[0045] Specifically, the first end of the photovoltaic power supply is connected to one end of the first capacitor C1 and the drain of the first field effect transistor Q1, the source of the first field effect transistor Q1 is connected to the main lighting control module 4, the other end of the first capacitor C1 is connected to the second end of the photovoltaic power supply and the ground, and the gate of the first field effect transistor Q1 is connected to the IO1 end of the first controller U1 and the power supply trigger module 5.

[0046] In a specific embodiment, the photovoltaic power source can perform photoelectric conversion, energy storage and discharge operations; the first field effect transistor Q1 can be an N-channel field effect transistor; and the first controller U1 can be an STM32 single-chip microcomputer.

[0047] Further, the main lighting control module 4 includes a first operational amplifier OP1, a first thyristor S1, a first resistor R1, a first transistor V1, a second resistor R2, a third resistor R3, a second transistor V2 and a main lighting lamp;

[0048] Specifically, the first end of the main lighting lamp is connected to the source of the first field effect transistor Q1, the second end of the main lighting lamp is connected to the collector of the second triode V2, the emitter of the second triode V2 is connected to the inverting end of the first operational amplifier OP1 and is connected to the emitter and the ground end of the first triode V1 through the third resistor R3, the non-inverting end of the first operational amplifier OP1 is connected to one end of the first thyristor S1, the other end of the first thyristor S1 is connected to the IO2 end of the first controller U1, the control end of the first thyristor S1 is connected to the collector of the first triode V1 and is connected to the first end of the photovoltaic power supply through the first resistor R1, the base of the first triode V1 is connected to the lighting adjustment module 8, and the base of the second triode V2 is connected to the output end of the first operational amplifier OP1 through the second resistor R2.

[0049] In a specific embodiment, the first operational amplifier OP1 may be an ADA4097 operational amplifier; the first transistor V1 and the second transistor V2 may be NPN transistors; the first thyristor S1 may be a bidirectional thyristor; the main lighting lamp is the main lighting means and may be composed of LED.

[0050] Further, the adjacent photovoltaic module 3 includes a left photovoltaic power interface, a second field effect transistor Q2, a right photovoltaic power interface, a third field effect transistor Q3 and a DC bus;

[0051] Specifically, the first end of the left photovoltaic power interface is connected to the drain of the second field effect transistor Q2, the source of the second field effect transistor Q2 is connected to the first end of the DC bus and the source of the third field effect transistor Q3, the drain of the third field effect transistor Q3 is connected to the first end of the right photovoltaic power interface, and the second end of the left photovoltaic power interface is connected to the second end of the right photovoltaic power interface and the second end of the DC bus.

[0052] In a specific embodiment, the above-mentioned left photovoltaic power supply interface is connected to the photovoltaic power supply of the left side lighting street lamp adjacent to the main lighting lamp, and then receives the electric energy generated by the photovoltaic power supply of the adjacent left side lighting street lamp; the above-mentioned right side photovoltaic power supply interface is connected to the photovoltaic power supply of the right side lighting street lamp adjacent to the main lighting lamp, and then receives the electric energy generated by the photovoltaic power supply of the adjacent right side lighting street lamp; the above-mentioned second field effect transistor Q2 and the third field effect transistor Q3 can both use N-channel field effect transistors.

[0053] Further, the power supply trigger module 5 includes a first potentiometer RRP1, a first photoresistor RG1, a fifth transistor VT5, an eighth resistor R8, a first crystal diode D1, a first logic gate device U3 and a first trigger device; the central control module 2 also includes a first selection switch U2;

[0054] Specifically, one end of the first potentiometer RRP1 is connected to the first end of the left photovoltaic power interface and the collector of the fifth transistor VT5, the other end and the slider end of the first potentiometer RRP1 are connected to the base of the fifth transistor VT5 and connected to one end of the eighth resistor R8 and the ground end through the first photoresistor RG1, the other end of the eighth resistor R8 is connected to the collector of the fifth transistor VT5 and the B end of the first logic gate device U3, the A end of the first logic gate device U3 and the first trigger end of the first trigger device are both connected to the IO1 end of the first controller U1, the Y end of the first logic gate device U3 is connected to the gate of the second field effect transistor Q2 and the CTRL1 end of the first selection switch U2, the anode of the second crystal diode D2 is connected to the IO1 end of the first controller U1, the IN1 end and the IN2 end of the first selection switch U2 are both connected to the IO2 end of the first controller U1, the control end of the first trigger device is connected to the gate of the third field effect transistor Q3, the power end of the first trigger device is connected to the right photovoltaic power interface, and the second trigger end of the first trigger device is connected to the CTRL2 end of the first selection switch U2.

[0055] In a specific embodiment, the first photoresistor RG1 is in a high-resistance state when there is no light, and in a low-resistance state when there is light, and then cooperates with the first potentiometer RRP1 to control the fifth transistor VT5 to be turned on when there is no light; the fifth transistor VT5 can be an NPN transistor; the first logic gate device U3 can be an AND gate chip; the first selection switch U2 can be a CD4066 chip; the circuit composition structure of the first trigger device is the same as the circuit composition structure composed of the first potentiometer RRP1, the first photoresistor RG1, the fifth transistor VT5, the eighth resistor R8, the first crystal diode D1 and the first logic gate device U3, which is used to detect the lighting status of the independent lighting lamp adjacent to the right side of the main lighting lamp.

[0056] Further, the left lighting module 6 includes a left auxiliary lighting lamp, a third transistor V3, a fifth resistor R5, a fourth resistor R4 and a second operational amplifier OP2;

[0057] Specifically, the first end of the left auxiliary lighting lamp is connected to the first end of the DC bus, the second end of the left auxiliary lighting lamp is connected to the collector of the third transistor V3, the emitter of the third transistor V3 is connected to the inverting end of the second operational amplifier OP2 and grounded through the fifth resistor R5, the non-inverting end of the second operational amplifier OP2 is connected to the OUT1 end of the first selection switch U2 and the lighting adjustment module 8, and the output end of the second operational amplifier OP2 is connected to the base of the third transistor V3 through the fourth resistor R4.

[0058] In a specific embodiment, the left auxiliary lighting lamp is an auxiliary lighting lamp on the left side of the main lighting lamp, which illuminates the direction of the independent lighting street lamp on the left side adjacent to the main lighting lamp; the third transistor V3 can be an NPN transistor; the second operational amplifier OP2 can be an ADA4097 operational amplifier.

[0059] Further, the right lighting module 7 includes a right auxiliary lighting lamp, a fourth transistor V4, a seventh resistor R7, a sixth resistor R6 and a third operational amplifier OP3;

[0060] Specifically, the first end of the right auxiliary lighting lamp is connected to the first end of the DC bus, the second end of the right auxiliary lighting lamp is connected to the collector of the fourth transistor V4, the emitter of the fourth transistor V4 is connected to the inverting end of the third operational amplifier OP3 and is grounded through the seventh resistor R7, the output end of the third operational amplifier OP3 is connected to the base of the fourth transistor V4 through the sixth resistor R6, and the non-inverting end of the third operational amplifier OP3 is connected to the OUT2 end of the first selection switch U2 and the lighting adjustment module 8.

[0061] In a specific embodiment, the right auxiliary lighting lamp is an auxiliary lighting lamp on the right side of the main lighting lamp, and illuminates the direction of the independent lighting street lamp on the right side adjacent to the main lighting lamp; the fourth transistor V4 can be an NPN transistor; the third operational amplifier OP3 can be an ADA4097 operational amplifier.

[0062] Further, the lighting adjustment module 8 includes a ninth resistor R9, a tenth resistor R10, a second crystal diode D2, a third crystal diode D3, an eleventh resistor R11, a twelfth resistor R12, a fourth operational amplifier OP4 and a thirteenth resistor R13;

[0063] Specifically, the anode of the second crystal diode D2 and the anode of the third crystal diode D3 are respectively connected to the OUT1 terminal and the OUT2 terminal of the first selection switch U2, the cathode of the second crystal diode D2 is connected to the in-phase terminal of the fourth operational amplifier OP4 and one end of the tenth resistor R10 through the ninth resistor R9, the other end of the tenth resistor R10 is connected to the cathode of the third crystal diode D3, the inverting terminal of the fourth operational amplifier OP4 is connected to one end of the twelfth resistor R12 and is grounded through the eleventh resistor R11, and the output terminal of the fourth operational amplifier OP4 is connected to the other end of the twelfth resistor R12 and is connected to the base of the first transistor V1 through the thirteenth resistor R13.

[0064] In a specific embodiment, the fourth operational amplifier OP4 can use an OP07 operational amplifier, and cooperate with the ninth resistor R9, the tenth resistor R10, the eleventh resistor R11 and the twelfth resistor R12 to add the voltage of the signal input to the in-phase terminal of the fourth operational amplifier OP4.

[0065] In a city smart lighting system of this embodiment, a photovoltaic power source performs photoelectric conversion, energy storage and discharge. When a first pulse signal is output at the IO1 end of the first controller U1 to control the first field effect transistor Q1 to be turned on, the electric energy released by the photovoltaic power source is transmitted to the main lighting lamp through the first field effect transistor Q1. At the same time, a second pulse signal output at the IO2 end of the first controller U1 is transmitted to the first operational amplifier OP1 through the first thyristor S1. The signal sampled by the third resistor R3 is used to adjust the conduction state of the second transistor V2, and then the main lighting lamp is controlled to perform constant current lighting. At the same time, the first photoresistor RG1 detects the independent lighting lamp adjacent to the left side of the main lighting lamp. The lighting state is set, and when the independent lighting lamp adjacent to the left side of the main lighting lamp is out of light and the first field effect transistor Q1 is turned on, the Y end of the first logic gate device U3 outputs a high level, triggering the second field effect transistor Q2 to turn on, so that the photovoltaic power of the independent lighting lamp adjacent to the left side of the main lighting lamp connected to the left photovoltaic power interface is transmitted to the DC bus, and at the same time, the CTRL1 end of the first selection switch U2 becomes a high level, the IN1 end and the OUT1 end of the first selection switch U2 are turned on, and the second pulse signal is transmitted to the second operational amplifier OP2, triggering the third transistor V3 to turn on, and the left auxiliary lighting lamp illuminates the direction of the independent lighting lamp adjacent to the left side of the main lighting lamp. Similarly, the first trigger device detects the lighting state of the independent lighting lamp adjacent to the right side of the main lighting lamp. When the independent lighting lamp adjacent to the right side of the main lighting lamp is dark and the first field effect transistor Q1 is turned on, the output high level triggers the third field effect transistor Q3 to turn on, so that the photovoltaic power of the independent lighting lamp adjacent to the right side of the main lighting lamp connected to the photovoltaic power interface on the right side is transmitted to the DC bus. At the same time, the first selection switch U2 triggers the third operational amplifier OP3 to work, controls the fourth transistor V4 to turn on, and the auxiliary lighting lamp on the right side illuminates the direction of the independent lighting lamp adjacent to the right side of the main lighting lamp, and the fourth operational amplifier OP4 cooperates with the ninth resistor R9, the tenth resistor R10, and the tenth The first resistor R11, the twelfth resistor R12, the second crystal diode D2, the third crystal diode D3 and the thirteenth resistor R13 add the voltages of the signals output from the OUT1 terminal and the OUT2 terminal of the first selection switch U2, and then when the left auxiliary lighting lamp or the right auxiliary lighting lamp is illuminated, the first operational amplifier OP1 controls the first transistor V1 to turn on, and then reduces the conduction angle of the first thyristor S1, and reduces the brightness of the main lighting lamp; if the left auxiliary lighting lamp and the right auxiliary lighting lamp are both illuminated, the conduction angle of the first thyristor S1 will be further reduced, and the brightness of the main lighting lamp will be further reduced, so as to perform energy-saving lighting control.

[0066] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0067] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A smart urban lighting system, characterized in that: The urban smart lighting system includes: a main photovoltaic module, a central control module, adjacent photovoltaic modules, a main lighting control module, a power supply trigger module, a left lighting module, a right lighting module and a lighting adjustment module; The main photovoltaic module is connected to the central control module, and is used for performing photoelectric conversion, energy storage and discharge, and providing first electric energy, and when receiving a first pulse signal output by the central control module, transmits the first electric energy to the main lighting control module; The central control module is connected to the main lighting control module, the power supply trigger module, the left lighting module and the right lighting module, and is used to output a first pulse signal, output a second pulse signal and control the constant current lighting operation of the main lighting control module, and transmit the second pulse signal to the left lighting module when receiving the first trigger signal output by the power supply trigger module, and transmit the second pulse signal to the right lighting module when receiving the second trigger signal output by the power supply trigger module; The adjacent photovoltaic modules are connected to the power supply trigger module, and are used to receive the first photovoltaic power provided by the left photovoltaic power source, receive the second photovoltaic power provided by the right photovoltaic power source, and when receiving the first trigger signal output by the power supply trigger module, aggregate the first photovoltaic power and output the second power, and when receiving the second trigger signal output by the power supply trigger module, aggregate the second photovoltaic power and output the second power; The main lighting control module is connected to the main photovoltaic module and the lighting adjustment module, and is used to receive the first electric energy and perform constant current regulation and lighting work when receiving the second pulse signal, and reduce the lighting brightness when receiving the first adjustment signal output by the lighting adjustment module; The power supply trigger module is used to perform light detection on the adjacent left lighting lamp, and output a first trigger signal when receiving a first pulse signal and not detecting that the adjacent left lighting lamp is performing lighting work, and to perform light detection on the adjacent right lighting lamp, and output a second trigger signal when receiving a first pulse signal and not detecting that the adjacent right lighting lamp is performing lighting work; The left lighting module is connected to the adjacent photovoltaic module, and is used to receive the second electric energy and, when receiving the second pulse signal, perform constant current regulation on the second electric energy and perform lighting work; The right lighting module is connected to the adjacent photovoltaic module, and is used to receive the second electric energy and, when receiving the second pulse signal, perform constant current regulation on the second electric energy and perform lighting work; The lighting adjustment module is connected to the central control module, and is used to perform addition processing on the second pulse signal transmitted by the central control module to the left lighting module and the second pulse signal transmitted by the central control module to the right lighting module, and output a first adjustment signal.

2. The urban smart lighting system according to claim 1, characterized in that: The main photovoltaic module includes a photovoltaic power source, a first capacitor and a first field effect transistor; the central control module includes a first controller; The first end of the photovoltaic power supply is connected to one end of the first capacitor and the drain of the first field effect transistor, the source of the first field effect transistor is connected to the main lighting control module, the other end of the first capacitor is connected to the second end of the photovoltaic power supply and the ground, and the gate of the first field effect transistor is connected to the IO1 end of the first controller and the power supply trigger module.

3. The urban smart lighting system according to claim 2, characterized in that: The main lighting control module includes a first operational amplifier, a first thyristor, a first resistor, a first triode, a second resistor, a third resistor, a second triode and a main lighting lamp; The first end of the main lighting lamp is connected to the source of the first field effect transistor, the second end of the main lighting lamp is connected to the collector of the second triode, the emitter of the second triode is connected to the inverting end of the first operational amplifier and is connected to the emitter and the ground of the first triode through a third resistor, the non-inverting end of the first operational amplifier is connected to one end of the first thyristor, the other end of the first thyristor is connected to the IO2 end of the first controller, the control end of the first thyristor is connected to the collector of the first triode and is connected to the first end of the photovoltaic power supply through a first resistor, the base of the first triode is connected to the lighting adjustment module, and the base of the second triode is connected to the output end of the first operational amplifier through a second resistor.

4. The urban smart lighting system according to claim 3, characterized in that: The adjacent photovoltaic modules include a left photovoltaic power interface, a second field effect transistor, a right photovoltaic power interface, a third field effect transistor and a DC bus; The first end of the left photovoltaic power interface is connected to the drain of the second field effect transistor, the source of the second field effect transistor is connected to the first end of the DC bus and the source of the third field effect transistor, the drain of the third field effect transistor is connected to the first end of the right photovoltaic power interface, and the second end of the left photovoltaic power interface is connected to the second end of the right photovoltaic power interface and the second end of the DC bus.

5. The urban smart lighting system according to claim 4, characterized in that: The power supply trigger module includes a first potentiometer, a first photoresistor, a fifth triode, an eighth resistor, a first crystal diode, a first logic gate device and a first trigger device; the central control module also includes a first gating switch; One end of the first potentiometer is connected to the first end of the left photovoltaic power interface and the collector of the fifth transistor, the other end of the first potentiometer and the slider end are both connected to the base of the fifth transistor and connected to one end of the eighth resistor and the ground end through the first photoresistor, the other end of the eighth resistor is connected to the collector of the fifth transistor and the B end of the first logic gate device, the A end of the first logic gate device and the first trigger end of the first trigger device are both connected to the IO1 end of the first controller, the Y end of the first logic gate device is connected to the gate of the second field effect transistor and the CTRL1 end of the first selection switch, the anode of the second crystal diode is connected to the IO1 end of the first controller, the IN1 end and the IN2 end of the first selection switch are both connected to the IO2 end of the first controller, the control end of the first trigger device is connected to the gate of the third field effect transistor, the power end of the first trigger device is connected to the right photovoltaic power interface, and the second trigger end of the first trigger device is connected to the CTRL2 end of the first selection switch.

6. The urban smart lighting system according to claim 5, characterized in that: The left lighting module includes a left auxiliary lighting lamp, a third triode, a fifth resistor, a fourth resistor and a second operational amplifier; The first end of the left auxiliary lighting lamp is connected to the first end of the DC bus, the second end of the left auxiliary lighting lamp is connected to the collector of the third transistor, the emitter of the third transistor is connected to the inverting end of the second operational amplifier and grounded through the fifth resistor, the non-inverting end of the second operational amplifier is connected to the OUT1 end of the first selection switch and the lighting adjustment module, and the output end of the second operational amplifier is connected to the base of the third transistor through the fourth resistor.

7. The urban smart lighting system according to claim 6, characterized in that: The right lighting module includes a right auxiliary lighting lamp, a fourth triode, a seventh resistor, a sixth resistor and a third operational amplifier; The first end of the right auxiliary lighting lamp is connected to the first end of the DC bus, the second end of the right auxiliary lighting lamp is connected to the collector of the fourth transistor, the emitter of the fourth transistor is connected to the inverting end of the third operational amplifier and grounded through the seventh resistor, the output end of the third operational amplifier is connected to the base of the fourth transistor through the sixth resistor, and the non-inverting end of the third operational amplifier is connected to the OUT2 end of the first selection switch and the lighting adjustment module.

8. The urban smart lighting system according to claim 7, characterized in that: The lighting adjustment module includes a ninth resistor, a tenth resistor, a second crystal diode, a third crystal diode, an eleventh resistor, a twelfth resistor, a fourth operational amplifier and a thirteenth resistor; The anode of the second crystal diode and the anode of the third crystal diode are respectively connected to the OUT1 terminal and the OUT2 terminal of the first selection switch, the cathode of the second crystal diode is connected to the in-phase terminal of the fourth operational amplifier and one end of the tenth resistor through a ninth resistor, the other end of the tenth resistor is connected to the cathode of the third crystal diode, the inverting terminal of the fourth operational amplifier is connected to one end of the twelfth resistor and is grounded through an eleventh resistor, and the output terminal of the fourth operational amplifier is connected to the other end of the twelfth resistor and is connected to the base of the first transistor through a thirteenth resistor.

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