CN103987180B - Lamp control device and intelligent lighting lamp system regulating and controlling system and method - Google Patents

Abstract

The invention discloses a light control device and an intelligent control system and method for a lighting system. The working state of the LED lighting module is determined by collecting the ambient light intensity signal through the photoresistor and the motion state signal of the object to be measured in the area to be measured by the ultrasonic sensor. ;Let the lighting lights in the area to be tested be brightened at intervals, realizing the intelligent control of urban street lights, through the single-chip microcomputer control module to realize the control of the street light switch and power according to the ambient brightness, and through the identification of the position and speed of passing objects Analyze to automatically adjust the switching of lamp groups to realize functions such as tracking distributed lighting, controlling GSM through single-chip microcomputer to send fault messages, etc. The solar-grid dual-wire power supply method realizes the efficient use of energy under the premise of ensuring the lighting effect. At the same time, a USB charging output connector is provided at the lower end of the lamp post for emergency use. So as to realize the low-power operation of the whole system and high-efficiency, energy-saving, green, environmental protection and humanized urban lighting.

Description

Light control device and lighting system intelligent control system and method

technical field

The invention relates to the field of LED lighting street lamps, in particular to an intelligent control system and method for an urban road LED lighting street lamp system.

Background technique

Under the general trend of energy saving, emission reduction and development of low-carbon economy, the development of high-efficiency, energy-saving and long-life semiconductor lighting products has achieved vigorous development in our country. In 2008, the Ministry of Science and Technology and other ministries and commissions initiated the "Ten Cities, Ten Thousand Lamps" demonstration city and demonstration project activities, which effectively promoted the development and application of semiconductor lighting products. LED is a new light source recently, with rich colors, adjustable light and weather resistance, energy saving and long life, high energy efficiency, efficient and reasonable light distribution design, good heat dissipation structure and high control device (drive circuit) Efficiency and high reliability and many other advantages. In 2011, South Korea planned to invest 279 million US dollars in LED research and development within 5 years. Austria also revised the policy of subsidizing LED lighting system power for enterprises in 2011. The European Union implemented the "Rainbow Project" in 2000. Promote the development of LED industry. Therefore, the development of LED energy-saving street lamps has broad application prospects.

At present, there are many kinds of LED energy-saving street lamps formed at home and abroad, but most of them are turned on all night and the brightness is fixed and cannot be adjusted. The lighting brightness is low, and there are lighting blind spots, traffic hazards and safety hazards. Although energy saving has been achieved to a certain extent, the power utilization rate and lighting efficiency are still low.

Therefore, there is an urgent need for an energy-saving and intelligent control system and method for LED lighting street lamp systems with low power consumption and pollution-free urban roads.

Contents of the invention

In view of this, the technical problem to be solved by the present invention is to provide an energy-saving and intelligent regulation system and method of LED lighting street lamp system for urban roads with low power consumption and pollution-free.

We chose to use MSP430 ultra-low power single-chip microcomputer, pollution-free free solar energy and LED lamps to form a complete lighting system, so as to achieve low power consumption, efficient use of electric energy, green and environmental protection.

The first purpose of the present invention is to provide a light control device; the second purpose of the present invention is to provide an intelligent control system for lighting systems; the third purpose of the present invention is to provide an intelligent control method for lighting systems.

One of purpose of the present invention is achieved through the following technical solutions:

The light control device provided by the present invention includes a power supply module, a sensor module respectively connected to the power supply module, a single-chip microcomputer control module, a lamp group switching module, an automatic control switch module, a fault detection and alarm module, a wireless communication unit, and an LED lighting and driving module;

The sensor module is used to collect the state signal of the object to be measured passing through the area to be measured and input the state signal into the single-chip control module; the single-chip control module generates a drive for driving the LED lighting module after processing the state signal signal, the driving signal is input into the LED driving module, and the LED driving module is connected with the LED lighting module;

The fault detection module is used to detect the fault signal of the LED lighting module and input the fault signal into the single-chip microcomputer control module, and the single-chip microcomputer control module generates an alarm signal after analyzing and processing the fault signal;

The input end of the self-control switch module is connected to the single-chip microcomputer control module, and the output end of the self-control switch module is connected to the LED lighting module for controlling the on-off state of the LED lighting module;

The input end of the lamp group switching module is connected to the single-chip microcomputer control module, and the output end of the lamp group switching module is connected to the LED lighting module for adjusting the speed of lamp group switching;

Described wireless communication unit comprises GSM wireless short message module and Zigbee wireless communication module;

The input end of described GSM wireless short message module is connected with single-chip microcomputer control module, and the output end of described GSM wireless short message module is used for sending fault signal; Described Zigbee communication module input end is connected with the single-chip microcomputer of last light control device, and described Zigbee The output terminal of the communication module is connected with the single-chip microcomputer of the next light control device, and is used to realize the switching of the state of the light group.

Further, the power supply module includes a solar battery, a solar charge and discharge controller, a boost voltage stabilization module, and a power supply switching module;

The solar cell is used to convert solar energy into electrical energy and store it in the storage battery;

The solar charge and discharge controller is used to detect the power generation voltage of the solar panel in real time and track the highest voltage and current value, and charge the solar battery with the maximum power output;

The voltage boosting and stabilizing module is used for boosting and stabilizing the voltage during charging of the solar battery;

The power supply switching module is connected with the single-chip microcomputer control module, and is used for switching the power supply mode of the solar battery and the AC power supply system.

Further, the sensor module includes a photosensitive sensor and an ultrasonic sensor;

The photosensitive sensor is used to collect the external light signal of the LED lighting module and input it to the single-chip microcomputer control module;

The ultrasonic sensor is used to collect the position signal and running speed information of the object to be measured in the passing area outside the LED lighting module and input them to the single-chip microcomputer control module.

Further, the fault detection and alarm module includes a fault detection circuit and a fault communication module;

The fault detection circuit is used to collect the fault signal of the LED lighting module and transmit the fault signal to the single-chip microcomputer control module;

The fault communication module is used to receive an alarm signal generated by the single-chip microcomputer control module after processing the fault signal.

Further, the single-chip microcomputer control module includes a signal analysis unit, a current control unit, a brightness control unit, and a solar cell monitoring unit;

The signal analysis unit is connected with the sensor module, and is used to receive the signal collected by the ultrasonic sensor and analyze and identify the production tracking signal of the object under test;

The current control unit is connected to the power module for controlling the working current of the power module;

The brightness control unit is connected with the LED lighting module, and is used to control the luminous intensity of the high-power LED by changing the duty cycle of the pulse width modulation PWM output;

The solar cell monitoring unit is connected with the solar cell for monitoring the electric quantity of the solar cell.

Two of the purpose of the present invention is achieved through the following technical solutions:

The intelligent control system of the lighting system constructed by the lighting control device provided by the present invention includes a main control system and an auxiliary control system;

The main control system is arranged in the first area of the area to be tested, and is used to control the first area lights of the area to be tested;

The auxiliary control system is arranged in the remaining areas of the area to be tested, and is used to control the remaining area lights of the area to be tested;

The main control system and the auxiliary control system are light control devices respectively, and the light control devices include a power supply module, a sensor module connected to the power supply module, a single-chip microcomputer control module, a light group switching module, an automatic control switch module, a fault detection and an alarm module, wireless communication unit, LED lighting and driver module;

The sensor module is used to collect the state signal of the object to be measured passing through the area to be measured and input the state signal into the single-chip control module; the single-chip control module generates a drive for driving the LED lighting module after processing the state signal signal, the driving signal is input into the LED driving module, and the LED driving module is connected with the LED lighting module;

The fault detection module is used to detect the fault signal of the LED lighting module and input the fault signal into the single-chip microcomputer control module, and the single-chip microcomputer control module generates an alarm signal after analyzing and processing the fault signal;

The input end of the self-control switch module is connected to the single-chip microcomputer control module, and the output end of the self-control switch module is connected to the LED lighting module for controlling the on-off state of the LED lighting module;

The input end of the lamp group switching module is connected to the single-chip microcomputer control module, and the output end of the lamp group switching module is connected to the LED lighting module for adjusting the speed of lamp group switching;

Described wireless communication unit comprises GSM wireless short message module and Zigbee wireless communication module;

The input end of the GSM wireless short message module is connected with the single-chip microcomputer control module, and the output end of the GSM wireless short message module is used for sending fault signals; the Zigbee communication module input end is connected with the single-chip microcomputer of the last light control device, and the The output end of the Zigbee communication module is connected with the single-chip microcomputer of the next light control device, and is used to realize the switching of the state of the light group.

The wireless communication unit in the main control unit is used to sequentially transmit the lighting control signal of the main control unit to the auxiliary control unit;

The lighting control signal is set in the following way:

The speed of the object under test is obtained in the first area, and the time difference signal for the sequential operation of the interval lighting lamps is calculated through the preset lighting lamp interval distance, and the brightness of the lighting lamps is sequentially controlled according to the time difference signal.

Further, the power module includes a solar battery, a solar charge and discharge controller, a boost voltage regulator module and a power supply switching module;

The solar cell is used to convert solar energy into electrical energy and store it in the storage battery;

The solar charge and discharge controller is used to detect the power generation voltage of the solar panel in real time and track the highest voltage and current value, and charge the solar battery with the maximum power output,

The voltage boosting and stabilizing module is used for boosting and stabilizing the voltage during charging of the solar battery;

The power supply switching module is connected with the single-chip microcomputer control module, and is used to switch the power supply mode of the solar battery and the AC power supply system;

The sensor module includes a photosensitive sensor and an ultrasonic sensor;

The photosensitive sensor is used to collect the external light signal of the LED lighting module and input it to the single-chip microcomputer control module;

The ultrasonic sensor is used to collect the position signal and running speed information of the object to be measured in the external passage area of the LED lighting module and input them to the single-chip microcomputer control module;

The fault detection and alarm module includes a fault detection circuit and a fault communication module;

The fault detection circuit is used to collect the fault signal of the LED lighting module and transmit the fault signal to the single-chip microcomputer control module;

The fault communication module is used to receive an alarm signal generated by the single-chip microcomputer control module after processing the fault signal.

Further, the single-chip microcomputer control module includes a signal analysis unit, a current control unit, a brightness control unit and a solar cell monitoring unit;

The signal analysis unit is connected with the sensor module, and is used to receive the signal collected by the ultrasonic sensor and analyze and identify the object to be measured so as to form an identification signal of the object to be measured;

The current control unit is connected to the power module for controlling the working current of the power module;

The brightness control unit is connected with the LED lighting module, and is used to control the luminous intensity of the high-power LED by changing the duty cycle of the pulse width modulation PWM output;

The solar cell monitoring unit is connected with the solar cell for monitoring the electric quantity of the solar cell.

The wireless communication unit adopts a Zigbee wireless transmission module.

Three of the purpose of the present invention is achieved through the following technical solutions:

The intelligent control method of the lighting system constructed by the lighting control device provided by the present invention includes the following steps:

S1: Initialize and start the control system;

S2: Detect the power module and determine the power supply mode of the control system;

S3: Obtain the ambient light intensity signal;

S4: Obtain a motion state signal of the object to be tested in the area to be tested;

S5: Determine the working state of the LED lighting module according to the ambient light intensity signal and the motion state signal of the object to be measured;

S6: Calculate the travel time from the object to be tested to the next area to be tested, generate time difference signals for sequential lighting of the lighting lamps, and control the brightness of the lighting lamps sequentially according to the time difference signals.

Further, the determination of the power supply mode includes the following steps:

S21: Detect whether there is a fault in the system, and if so, alarm; if not, detect whether the solar battery is overcharged;

S22: If yes, stop charging and start USB power supply output at the same time; if no, detect whether the solar battery is over-discharged;

S23: if yes, charging the solar battery;

S24: If not, switch to the AC power supply system for power supply;

The determination of the working state of the LED lighting module includes the following steps:

S25: detecting ambient light intensity;

S26: Determine whether the ambient light intensity needs lighting compensation, if not, turn off the LED lighting module;

S27: If yes, start the LED lighting module to enter the lighting mode.

The advantages of the present invention are: the present invention adopts MSP430 ultra-low power consumption single-chip microcomputer, the single-chip microcomputer enters the low power consumption mode during the day, the system enters the standby state, waits for the night to wake up, and intelligently turns on the lighting mode; The system maximizes energy saving. Through the light control, the intelligent control of turning on and off the lighting street lights is realized, so that the lighting duration of the street lights can be optimally adjusted. It can realize intelligent monitoring and accurate detection of the power of the solar battery, and perform AC compensation power supply when the battery power is insufficient, so as to realize the dual-wire power supply of the solar energy and the AC power supply system, so as to ensure the life of the battery and the lighting effect, and realize energy efficiency. Green and environmentally friendly use. The working performance of the system can be detected through the fault detection and alarm module, and an intelligent alarm can be issued when the system is faulty, so as to realize timely maintenance of the system. The energy-saving control system for urban highway LED lighting street lamps provided by the invention can greatly reduce the power consumption of urban highway lighting, and its economic and social benefits are very significant.

Utilizing the characteristics of the extremely high energy conversion efficiency and luminous efficiency of LED devices, the LED lamp group lighting design is adopted, and based on this design, the intelligent adjustment of light intensity and power and the tracking lighting of moving vehicles and people are realized, thereby improving the overall lighting. efficiency. Through the ultrasonic sensor module, the position of people and vehicles passing in the detectable area can be identified and positioned, and the passing speed can be analyzed to realize the automatic switching and adjustment of the lamp group; by changing the duty cycle of the pulse width modulation PWM output, the high-power LED can be controlled. The luminous intensity and the design of the LED light group can realize the tracking distributed lighting of the urban road LED lighting street lighting system.

Description of drawings

In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the hardware system block diagram that the embodiment of the present invention provides;

Fig. 2 is a block diagram of a power supply module provided by an embodiment of the present invention;

Fig. 3 is the block diagram of fault detection and alarm module provided by the embodiment of the present invention;

Fig. 4 is a flowchart of the software system provided by the embodiment of the present invention.

detailed description

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present invention, rather than limiting the protection scope of the present invention.

Example 1

Fig. 1 is a block diagram of a hardware system provided by an embodiment of the present invention; Fig. 2 is a block diagram of a power supply module provided by an embodiment of the present invention; Fig. 3 is a block diagram of a fault detection and alarm module provided by an embodiment of the present invention; Fig. 4 is provided by an embodiment of the present invention The flow chart of the software system, as shown in the figure: the light control device provided by the present invention includes a power module and a sensor module connected to the power module, a single-chip microcomputer control module, an LED lighting module, a lamp group switching module, an LED driver module, and an automatic control module. Switch module, fault detection and alarm module and wireless communication unit;

The sensor module is used to collect the state signal of the object to be measured passing through the area to be measured and input the state signal into the single-chip control module; the single-chip control module generates a drive for driving the LED lighting module after processing the state signal signal, the driving signal is input into the LED driving module, and the LED driving module is connected with the LED lighting module;

The fault detection module is used to detect the fault signal of the LED lighting module and input the fault signal into the single-chip microcomputer control module, and the single-chip microcomputer control module generates an alarm signal after analyzing and processing the fault signal;

The input end of the self-control switch module is connected to the single-chip microcomputer control module, and the output end of the self-control switch module is connected to the LED lighting module for controlling the on-off state of the LED lighting module;

The input end of the lamp group switching module is connected to the single-chip microcomputer control module, and the output end of the lamp group switching module is connected to the LED lighting module for adjusting the speed of lamp group switching;

Described wireless communication unit comprises GSM wireless short message module and Zigbee wireless communication module;

The input end of described GSM wireless short message module is connected with single-chip microcomputer control module, and the output end of described GSM wireless short message module is wirelessly connected with maintenance personnel, is used for the sending of fault signal; Described Zigbee communication module input end is connected with last lamp control device The single-chip microcomputer is connected, and the output terminal of the Zigbee communication module is connected with the single-chip microcomputer of the next light control device, which is used to realize the switching of the state of the light group.

The power module includes a solar battery, a solar charge and discharge controller, a voltage boosting and stabilizing module, and a power supply switching module;

The solar cell is used to convert solar energy into electrical energy and store it in the storage battery;

The solar charge and discharge controller is used to detect the power generation voltage of the solar panel in real time and track the highest voltage and current value, and charge the solar battery with the maximum power output,

The voltage boosting and stabilizing module is used for boosting and stabilizing the voltage during charging of the solar battery;

The power supply switching module is connected with the single-chip microcomputer control module, and is used for switching the power supply mode of the solar battery and the AC power supply system.

The sensor module includes a photosensitive sensor and an ultrasonic sensor;

The photosensitive sensor is used to collect the external light signal of the LED lighting module and input it to the single-chip microcomputer control module;

The ultrasonic sensor is used to collect the position signal and running speed information of the object to be measured in the passing area outside the LED lighting module and input them to the single-chip microcomputer control module.

The fault detection and alarm module includes a fault detection circuit and a fault communication module;

The fault detection circuit is used to collect the fault signal of the LED lighting module and transmit the fault signal to the single-chip microcomputer control module;

The fault communication module is used to receive an alarm signal generated by the single-chip microcomputer control module after processing the fault signal.

The single-chip microcomputer control module includes a signal analysis unit, a current control unit, a brightness control unit, and a solar cell monitoring unit;

The signal analysis unit is connected with the sensor module, and is used to receive the signal collected by the ultrasonic sensor and analyze and identify the production tracking signal of the object under test;

The current control unit is connected to the power module for controlling the working current of the power module;

The brightness control unit is connected with the LED lighting module, and is used to control the luminous intensity of the high-power LED by changing the duty cycle of the pulse width modulation PWM output;

The solar cell monitoring unit is connected with the solar cell for monitoring the electric quantity of the solar cell.

This embodiment also provides an intelligent control system for a lighting system constructed according to the above lighting control device, including a main control system and an auxiliary control system;

The main control system is arranged in the first area of the area to be tested, and is used to control the first area lights of the area to be tested;

The auxiliary control system is arranged in the remaining areas of the area to be tested, and is used to control the remaining area lights of the area to be tested;

The main control system and the auxiliary control system are light control devices respectively, and the light control device includes a power supply module and a sensor module respectively connected to the power supply module, a single-chip microcomputer control module, an LED lighting module, a lamp group switching module, an LED driver module, Automatic control switch module, fault detection and alarm module, wireless communication unit;

The sensor module is used to collect the state signal of the object to be tested passing in the area to be measured and input the state signal into the single-chip control module; the single-chip control module generates the drive for driving the LED lighting module after processing the state signal signal, the driving signal is input into the LED driving module, and the LED driving module is connected with the LED lighting module;

The fault detection module is used to detect the fault signal of the LED lighting module and input the fault signal into the single-chip microcomputer control module, and the single-chip microcomputer control module generates an alarm signal after analyzing and processing the fault signal;

The input end of the self-control switch module is connected to the single-chip microcomputer control module, and the output end of the self-control switch module is connected to the LED lighting module for controlling the on-off state of the LED lighting module;

The input end of the lamp group switching module is connected to the single-chip microcomputer control module, and the output end of the lamp group switching module is connected to the LED lighting module for adjusting the speed of lamp group switching;

The wireless communication unit is connected with the single-chip microcomputer control module;

The wireless communication unit in the main control unit is used to sequentially transmit the lighting control signal of the main control unit to the auxiliary control unit;

The lighting control signal is set in the following way:

The speed of the object under test is obtained in the first area, and the time difference signal for the sequential operation of the interval lighting lamps is calculated through the preset lighting lamp interval distance, and the brightness of the lighting lamps is sequentially controlled according to the time difference signal.

The power module includes a solar battery, a solar charge and discharge controller, a voltage boosting and stabilizing module, and a power supply switching module;

The solar cell is used to convert solar energy into electrical energy and store it in the storage battery;

The solar charge and discharge controller is used to detect the power generation voltage of the solar panel in real time and track the highest voltage and current value, and charge the solar battery with the maximum power output,

The voltage boosting and stabilizing module is used for boosting and stabilizing the voltage during charging of the solar battery;

The power supply switching module is connected with the single-chip microcomputer control module, and is used to switch the power supply mode of the solar battery and the AC power supply system;

The sensor module includes a photosensitive sensor and an ultrasonic sensor;

The photosensitive sensor is used to collect the external light signal of the LED lighting module and input it to the single-chip microcomputer control module;

The ultrasonic sensor is used to collect the position signal and running speed information of the object to be measured in the external passage area of the LED lighting module and input them to the single-chip microcomputer control module;

The fault detection and alarm module includes a fault detection circuit and a fault communication module;

The fault detection circuit is used to collect the fault signal of the LED lighting module and transmit the fault signal to the single-chip microcomputer control module;

The fault communication module is used to receive an alarm signal generated by the single-chip microcomputer control module after processing the fault signal.

The single-chip microcomputer control module includes a signal analysis unit, a current control unit, a brightness control unit, and a solar cell monitoring unit;

The signal analysis unit is connected with the sensor module, and is used to receive the signal collected by the ultrasonic sensor and analyze and identify the production tracking signal of the object under test;

The current control unit is connected to the power module for controlling the working current of the power module;

The brightness control unit is connected with the LED lighting module, and is used to control the luminous intensity of the high-power LED by changing the duty cycle of the pulse width modulation PWM output;

The solar cell monitoring unit is connected with the solar cell for monitoring the electric quantity of the solar cell.

The wireless communication unit adopts a Zigbee wireless transmission module.

This embodiment also provides an intelligent control method for a lighting system constructed according to the above-mentioned light control device, including the following steps:

S1: Initialize and start the control system;

S2: Detect the power module and determine the power supply mode of the control system;

S3: Obtain the ambient light intensity signal;

S4: Obtain a motion state signal of the object to be tested in the area to be tested;

S5: Determine the working state of the LED lighting module according to the ambient light intensity signal and the motion state signal of the object to be tested;

S6: Calculate the travel time from the object to be tested to the next area to be tested, generate time difference signals for sequential lighting of the lighting lamps, and control the brightness of the lighting lamps sequentially according to the time difference signals.

The determination of the power supply mode includes the following steps:

S21: Detect whether there is a fault in the system, and if so, alarm; if not, detect whether the solar battery is overcharged;

S22: If yes, stop charging; if no, detect whether the solar battery is over-discharged;

S23: if yes, charge the solar battery and start the USB power supply output at the same time;

S24: If not, switch to the AC power supply system for power supply;

The determination of the working state of the LED lighting module includes the following steps:

S25: detecting ambient light intensity;

S26: Determine whether the ambient light intensity needs lighting compensation, if not, turn off the LED lighting module;

S27: If yes, start the LED lighting module to enter the lighting mode.

The solar charge and discharge controller provided in this embodiment is an MPPT solar charge and discharge controller, which is used to detect the power generation voltage of the solar panel in real time and track the highest voltage and current value to charge the battery with the maximum power output.

The single-chip microcomputer control module provided in this embodiment adopts MSP430 ultra-low power consumption single-chip microcomputer.

The lighting lamp provided in this embodiment adopts LED lighting street lamps.

Example 2

This embodiment describes in detail the structure of the light control device and the intelligent control system and method of the lighting system

As shown in Figure 2, the power module adopts a solar street light controller with light control function, uses MPPT solar charge and discharge controller to detect the power generation voltage of the solar panel in real time, and tracks the highest voltage and current value, so that the system can output at the maximum power To charge the battery, the solar energy is converted into electrical energy and stored in the battery through the solar panel and the boost regulator module to supply power to the system. When the power supply of the solar battery is insufficient, the power supply system is controlled by a single-chip microcomputer to switch to an AC power supply system for compensation and power supply.

The photosensitive element in the photosensitive sensor in the sensor module senses the light and dark changes of the external light, and the sensor that converts the light signal into an electrical signal, amplifies and processes through a simple electronic circuit, and judges whether the external environment is in day or night, so as to control the automatic operation of LED lamps and lanterns. Switch; Ultrasonic sensor cooperates with the drive module to realize the identification, positioning and analysis of the running speed of the passing people and vehicles in the detectable area, so as to automatically adjust the switching speed of the light group, which is controlled by changing the duty cycle of the pulse width modulation PWM output The luminous intensity of high-power LEDs is combined with the design of LED lamps to realize tracking distributed lighting.

Single-chip microcomputer control module: According to the intelligent analysis of the feedback signal of the ultrasonic module by the single-chip microcomputer, the tracking and identification of people and vehicles can be realized, and an appropriate duty cycle is selected to control the working current of the constant current source. Compared to controlling the brightness of high-power LEDs to ensure the visibility of the road and realize the intelligent control of LED street lights; monitor the power of solar batteries, and switch the power supply when the battery power is lower than the critical value.

LED lighting module: drive high-power LED through LED driver module, cooperate with power supply module, sensor module, single-chip microcomputer control module, LED light group module, etc. to realize lighting, power conversion, light group switching and other functions.

As shown in Figure 3, the fault detection and alarm module: Based on the fault detection circuit, the fault signal is collected and transmitted to the single-chip microcomputer for identification and processing. When the lamp group, single-chip microcomputer, and line fail, the GSM communication module will send an alarm prompt in the form of a short message. In order to notify the security department in time to arrange personnel for maintenance.

Wireless communication module: The Zigbee module in the wireless communication module is mainly used to transmit the time difference signal calculated by the single-chip computer between the lamp groups, so as to realize the function of lamp group switching.

As shown in Figure 4, Figure 4 is a flowchart of the software system provided by the embodiment of the present invention, and the specific process is as follows:

S1: Initialize system control parameters;

S2: start the control system;

S3: Detect whether there is a fault in the system, if so, alarm via GSM text message; if not, detect whether the solar battery is overcharged;

S4: If yes, stop charging; if no, check whether the solar battery is over-discharged;

S5: If yes, charge the solar battery and return to step S4;

S6: If not, switch to the AC power supply system for power supply; detect the ambient light intensity;

S7: judging whether the ambient light intensity needs lighting compensation, if not, turning off the LED lighting module;

S8: If yes, start the LED lighting module to enter the lighting mode;

S9: Detect whether there is an object to be tested in the area to be tested, and if not, start the low-power lighting mode;

S10: If so, detect the position and speed of the object to be tested, and judge whether the object to be tested leaves the area to be tested, and if so, start the low-power lighting mode;

S11: If not, calculate the travel time from the object to be tested to the next preset area, generate time difference signals for sequential illumination of the lighting lamps, and control the on and off states of the lighting lamps sequentially according to the time difference signals.

All the street lights on a section of road are regarded as a light group, the first light is regarded as a main light, and each other light is regarded as a small part of the system as auxiliary lights. For example, on a road with a wide view, many LED street lights are installed. The control system of the first light at the intersection is used as the main control system, and the control system of each other LED street light is used as the auxiliary control system of the entire road light group. A long-distance ultrasonic sensor is installed at the intersection of the road section to measure the speed of passing vehicles or pedestrians. Assuming that the speed of the vehicle does not change suddenly (no accidents) during the process of traveling, it has been traveling at a constant speed at the previously measured speed. According to the vehicle ( Pedestrians) travel speed and the distance between each two lights to set the time difference for each light to turn on in turn (assuming that the distance between every two adjacent lights is 21 meters, and the vehicle's speed is 7 m/s , then the time difference between each adjacent two lights is 3 seconds, and the duration of each light is 3 seconds), the main control system sends a time difference signal when it detects a moving object, and controls the auxiliary control through Zigbee wireless communication The brightness of the system light. When the vehicle is expected to drive in each set area, the light is in the bright state, and all other lights in the light group are in the dark state.

A USB output interface is installed under each street light pole, and the electricity generated by the solar energy to the storage battery can be used to facilitate emergency charging for pedestrians who have no electricity and urgently need to use electronic equipment such as mobile phones.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (10)

1. Light control device, it is characterized in that: comprise power supply module and the sensor module that is respectively connected with power supply module, fault detection module, single-chip microcomputer control module, lamp group switching module, automatic control switch module, fault detection and alarm module, Zigbee communication module, Wireless communication unit, LED lighting and driver module; The sensor module is used to collect the state signal of the object to be measured passing through the area to be measured and input the state signal into the single-chip control module; the single-chip control module generates a drive for driving the LED lighting module after processing the state signal signal, the driving signal is input into the LED driving module, and the LED driving module is connected with the LED lighting module; The fault detection module is used to detect the fault signal of the LED lighting module and input the fault signal into the single-chip microcomputer control module, and the single-chip microcomputer control module generates an alarm signal after analyzing and processing the fault signal; The input end of the self-control switch module is connected to the single-chip microcomputer control module, and the output end of the self-control switch module is connected to the LED lighting module for controlling the on-off state of the LED lighting module; The input end of the lamp group switching module is connected to the single-chip microcomputer control module, and the output end of the lamp group switching module is connected to the LED lighting module for adjusting the speed of lamp group switching; Described wireless communication unit comprises GSM wireless short message module and Zigbee wireless communication module; The input end of described GSM wireless short message module is connected with single-chip microcomputer control module, and the output end of described GSM wireless short message module is used for sending fault signal; Described Zigbee communication module input end is connected with the single-chip microcomputer of last light control device, and described Zigbee The output terminal of the communication module is connected with the single-chip microcomputer of the next light control device, which is used to realize the switching of the state of the light group; The wireless communication unit transmits the driving signal used to drive the LED lighting module in the single-chip microcomputer control module; the driving signal is set in the following way: obtain the speed of the object to be measured, and calculate the interval by preset lighting lamp interval distance The time difference signal of the lighting lamps working in sequence, the lighting lamps are switched sequentially according to the time difference signal; the brightness of the lighting lamps controls the luminous intensity of the lighting lamps by changing the duty cycle of the pulse width modulation PWM output; The LED lighting module determines the working state according to the following steps: first, detect the ambient light intensity; then judge whether the ambient light intensity needs lighting compensation, if not, turn off the LED lighting module; if so, start the LED lighting module to enter the lighting mode. 2. The light control device according to claim 1, wherein the power supply module includes a solar battery, a solar charging and discharging controller, a voltage boosting and stabilizing module, and a power supply switching module; The solar cell is used to convert solar energy into electrical energy and store it in the storage battery; The solar charge and discharge controller is used to detect the power generation voltage of the solar panel in real time and track the highest voltage and current value, and charge the solar battery with the maximum power output; The voltage boosting and stabilizing module is used for boosting and stabilizing the voltage during charging of the solar battery; The power supply switching module is connected with the single-chip microcomputer control module, and is used for switching the power supply mode of the solar battery and the AC power supply system. 3. The light control device according to claim 1, wherein the sensor module includes a photosensitive sensor and an ultrasonic sensor; The photosensitive sensor is used to collect the external light signal of the LED lighting module and input it to the single-chip microcomputer control module; The ultrasonic sensor is used to collect the position signal and running speed information of the object to be measured in the passing area outside the LED lighting module and input them to the single-chip microcomputer control module. 4. The light control device according to claim 1, wherein the fault detection and alarm module includes a fault detection circuit and a fault communication module; The fault detection circuit is used to collect the fault signal of the LED lighting module and transmit the fault signal to the single-chip microcomputer control module; The fault communication module is used to receive an alarm signal generated by the single-chip microcomputer control module after processing the fault signal. 5. The light control device according to claim 1, characterized in that: the single-chip microcomputer control module includes a signal analysis unit, a current control unit, a brightness control unit, and a solar battery monitoring unit; The signal analysis unit is connected to the sensor module, and is used to receive the signal collected by the ultrasonic sensor and analyze and identify the tracking signal formed by the object to be measured; The current control unit is connected to the power module for controlling the working current of the power module; The brightness control unit is connected with the LED lighting module, and is used to control the luminous intensity of the high-power LED by changing the duty cycle of the pulse width modulation PWM output; The solar cell monitoring unit is connected with the solar cell for monitoring the electric quantity of the solar cell. 6. According to claim 1, the intelligent regulation and control system of the lighting system constructed by the lighting control device is characterized in that it includes a main control system and an auxiliary control system; The main control system is arranged in the first area of the area to be tested, and is used to control the first area lights of the area to be tested; The auxiliary control system is arranged in the remaining areas of the area to be tested, and is used to control the remaining area lights of the area to be tested; The main control system and the auxiliary control system are respectively light control devices, The wireless communication unit in the main control system is used to sequentially transmit the lighting control signals of the main control system to the auxiliary control system; The lighting control signal is set in the following way: The speed of the object under test is obtained in the first area, and the time difference signal for the sequential operation of the interval lighting lamps is calculated through the preset lighting lamp interval distance, and the brightness of the lighting lamps is sequentially controlled according to the time difference signal. 7. The intelligent control system of the lighting system according to claim 6, wherein the power supply module includes a solar battery, a solar charging and discharging controller, a voltage boosting and stabilizing module, and a power supply switching module; The solar cell is used to convert solar energy into electrical energy and store it in the storage battery; The solar charge and discharge controller is used to detect the power generation voltage of the solar panel in real time and track the highest voltage and current value, and charge the solar battery with the maximum power output, The voltage boosting and stabilizing module is used for boosting and stabilizing the voltage during charging of the solar battery; The power supply switching module is connected with the single-chip microcomputer control module, and is used to switch the power supply mode of the solar battery and the AC power supply system; The sensor module includes a photosensitive sensor and an ultrasonic sensor; The photosensitive sensor is used to collect the external light signal of the LED lighting module and input it to the single-chip microcomputer control module; The ultrasonic sensor is used to collect the position signal and running speed information of the object to be measured in the external passage area of the LED lighting module and input them to the single-chip microcomputer control module; The fault detection and alarm module includes a fault detection circuit and a fault communication module; The fault detection circuit is used to collect the fault signal of the LED lighting module and transmit the fault signal to the single-chip microcomputer control module; The fault communication module is used to receive an alarm signal generated by the single-chip microcomputer control module after processing the fault signal. 8. The intelligent control system of lighting system according to claim 6, characterized in that: the single-chip microcomputer control module includes a signal analysis unit, a current control unit, a brightness control unit and a solar battery monitoring unit; The signal analysis unit is connected with the sensor module, and is used to receive the signal collected by the ultrasonic sensor and analyze and identify the object to be measured so as to form an identification signal of the object to be measured; The current control unit is connected to the power module for controlling the working current of the power module; The brightness control unit is connected with the LED lighting module, and is used to control the luminous intensity of the high-power LED by changing the duty cycle of the pulse width modulation PWM output; The solar battery monitoring unit is connected to the solar battery for monitoring the power of the solar battery; The wireless communication unit adopts a Zigbee wireless transmission module. 9. A method for regulating the intelligent control system of the lighting system constructed by the light control device according to claim 6, characterized in that it comprises the following steps: S1: Initialize and start the control system; S2: Detect the power module and determine the power supply mode of the control system; S3: Obtain the ambient light intensity signal; S4: Obtain a motion state signal of the object to be tested in the area to be tested; S5: Determine the working state of the LED lighting module according to the ambient light intensity signal and the motion state signal of the object to be tested; S6: Calculate the travel time from the object to be tested to the next area to be tested, generate time difference signals for sequential lighting of the lighting lamps, and control the brightness of the lighting lamps sequentially according to the time difference signals. 10. The intelligent control method for lighting system according to claim 9, characterized in that: the determination of the power supply mode comprises the following steps: S21: Detect whether there is a fault in the system, and if so, alarm; if not, detect whether the solar battery is overcharged; S22: If yes, stop charging and start USB power supply output at the same time; if no, detect whether the solar battery is over-discharged; S23: if yes, charging the solar battery; S24: If not, switch to the AC power supply system for power supply; The determination of the working state of the LED lighting module includes the following steps: S25: detecting ambient light intensity; S26: Determine whether the ambient light intensity needs lighting compensation, if not, turn off the LED lighting module; S27: If yes, start the LED lighting module to enter the lighting mode.