CN102665365A - Coming vehicle video detection based streetlamp control and management system - Google Patents

Abstract

The invention discloses a street lamp control and management system based on video detection of incoming vehicles, comprising: a camera: capturing video information of incoming vehicles in a road section; a vehicle detector: detecting and analyzing the captured video information of incoming vehicles; network routing: video of incoming vehicles The detection and analysis data of the information is uploaded to the server background mechanism; the server background mechanism: analyzes the uploaded detection and analysis data, and sends the control command to the centralized controller according to the control strategy configured by the user; the centralized controller: transmits the control command to the node Controller; node controller: complete the switch or brightness adjustment of street lamps according to the control instructions. Compared with the prior art, the present invention controls the brightness of the street lights and turns them on and off according to the incoming vehicle information, so as to achieve real on-demand lighting, greatly reduce the waste of electric energy in places with less traffic flow, and help to create a smart Lighting management platform.

Description

A street lamp control and management system based on video detection of incoming vehicles

technical field

The invention relates to the field of street lamp control, specifically a street lamp control and management system based on video detection of incoming vehicles.

Background technique

At present, the urban public lighting system is an important public infrastructure that is closely related to people's lives. On the one hand, it ensures the safety of vehicle traffic at night, and on the other hand, it undertakes the important task of beautifying the image of the entire city. However, urban public lighting facilities waste electricity to a large extent, especially in places with large land and sparsely populated areas, where there are very few people and cars, but the street lights in these places are on all night, and the brightness is not adjusted. In addition, the rapid development of urban public lighting has increased energy demand and consumption, especially in some cities that simply pursue high-brightness, multi-color, large-scale, ultra-luxury, construction and configuration of unrealistic and unscientific lighting projects, It wastes energy and also causes light pollution, which affects the harmony and balance of living and ecological natural environment, and aggravates the tension of power supply and consumption.

Contents of the invention

In view of the above-mentioned defects, the technical problem to be solved by the present invention is to provide a street lamp control and management system based on video detection of incoming vehicles, which can control the brightness and turn off of street lamps according to the incoming vehicle information, so as to achieve real on-demand lighting, and when the traffic flow is small The place can greatly reduce the waste of electric energy, not only achieve the effect of energy saving, but also help to reduce light pollution, and help to create a management platform for smart lighting, help improve the efficiency of street lamp operation and management, and enhance the role of government departments in urban lighting construction. Scientific decision-making ability.

In order to solve the above technical problems, the street lamp control and management system based on incoming vehicle video detection provided by the present invention includes a camera, a vehicle detector, a network router, a server background mechanism, a centralized controller, a node controller and a street lamp, wherein:

Camera: capture video information of incoming vehicles in the road section;

Car detector: detect and analyze the incoming car video information captured by the camera;

Network routing: The detection and analysis data of incoming car video information is uploaded to the server background organization;

Server background mechanism: including wireless network, monitoring terminal and server. The monitoring terminal and server are connected to the wireless network through a network switch. The network router uploads the detection and analysis data of the future car video information to the server through the Internet, and the server then detects the upload. Analyze the data for analysis, and send control instructions to the centralized controller according to the control strategy configured by the user;

Centralized controller: transmit control instructions to node controllers;

Node controller: Complete the switch or brightness adjustment of street lamps according to the control instructions of the centralized controller.

Preferably, the vehicle detector detects and analyzes the incoming vehicle video information captured by the camera based on the virtual coil technology.

Preferably, the network routing is a wireless network routing, and the detection and analysis data of the video information of the incoming vehicle is uploaded to the server of the server background mechanism through the wireless network.

Preferably, the network router is wirelessly connected to the communication means.

Preferably, the server of the server background mechanism parses the uploaded detection and analysis data, and sends it to the centralized controller through the wireless network according to the control strategy configured by the user.

Preferably, the control instruction of the monitoring terminal is sent to the centralized controller through the server.

Preferably, the centralized controller transmits the control instructions to the node controllers through power carrier communication.

Preferably, the wireless network of the server background mechanism is also connected with a remote computer or a remote controller.

Preferably, a firewall is set between the wireless network of the server background mechanism and the network switch.

Preferably, the server is connected to a printer, scanner or projector.

Compared with the prior art, the street lamp control and management system based on video detection of incoming vehicles provided by the present invention has the following advantages:

(1) Intelligent control: comprehensively use cameras and vehicle detectors to conduct video detection of road traffic, including information such as speed and driving direction, and intelligently control street lights according to the situation of incoming vehicles, such as turning on lights or adjusting brightness;

(2) Energy saving: it can effectively save electricity at night or in places with less traffic flow, and achieve real on-demand lighting;

(3) Environmental protection: street lights do not need to run at the highest brightness all night, which helps to reduce light pollution and is more environmentally friendly;

(4) Convenient management: Combined use of centralized controllers and energy-saving controllers to intelligently control street lamps will help create a smart lighting management platform and help improve the efficiency of street lamp operation and management;

(5) Decision support: According to data such as road traffic conditions and control of street lights, it helps to improve the scientific decision-making ability of government departments in urban lighting construction.

Description of drawings

Fig. 1 is the modular block diagram of the street lamp control management system based on the video detection of coming vehicle in the embodiment of the present invention;

Fig. 2 is the topological diagram of the street lamp control and management system based on the video detection of incoming vehicles in the embodiment of the present invention;

Fig. 3 is the flow chart of Embodiment 1 of the street lamp control method based on video detection of incoming vehicles in the present invention;

Fig. 4 is the flow chart of Embodiment 2 of the street lamp control method based on video detection of incoming vehicles in the present invention;

FIG. 5 is a flowchart of a street lamp control strategy based on video detection of incoming vehicles in an embodiment of the present invention.

Detailed ways

In order for those skilled in the art to better understand the technical solutions provided by the present invention, the following will be described in conjunction with specific embodiments.

Please refer to Fig. 1 and Fig. 2, Fig. 1 is the module block diagram of the street lamp control management system based on the video detection of the incoming vehicle in the embodiment of the present invention; Fig. 2 is the topology of the street lamp control management system based on the video detection of the incoming vehicle in the embodiment of the present invention picture.

The street lamp control and management system based on incoming vehicle video detection provided in this embodiment includes a camera, a vehicle detector, a network router, a server background mechanism, a centralized controller, a node controller, and a street lamp, wherein:

Camera: Ingest video information of incoming vehicles in the road section, and the camera uses virtual coil detection technology.

Vehicle detector: A vehicle video detection and analysis device based on virtual coil detection technology, which detects and analyzes incoming vehicle video information captured by the camera.

The wireless network routing, the detection and analysis data of the incoming car video information is uploaded to the server background mechanism through the wireless network; the wireless network routing is also wirelessly connected with the communication tool (such as the mobile phone in Figure 2).

Server background mechanism: including wireless network, monitoring terminal and server. The monitoring terminal and server are connected to the wireless network through a network switch. The network router uploads the detection and analysis data of the future car video information to the server through the Internet, and the server then detects the upload. Analyze the data for analysis, and send control instructions to the centralized controller according to the control strategy configured by the user;

Centralized controller: transmit control instructions to node controllers through power carrier communication;

Node controller: Complete the switch or brightness adjustment of street lamps according to the control instructions of the centralized controller.

The vehicle detector detects and analyzes the incoming vehicle video information captured by the camera based on the virtual coil technology. The virtual coil detection technology virtualizes a coil for each lane on the road. Combining video images and computerized pattern recognition technology, the detection area (virtual coil) is set on the video image through software. When the vehicle passes the virtual coil, the area is set The image will change obviously, and when the change reaches a certain quantitative value, it is considered that there is a vehicle passing by. The main functions of virtual coil detection technology include: vehicle count, presence, speed, occupancy rate, vehicle type and color, vehicle flow direction, vehicle trajectory, headway, passing time and traffic flow density, etc. In the present invention, the vehicle video detector is referred to as a vehicle detector for short.

The centralized controller is a new type of data monitoring product, mainly used to control lighting equipment (switching lights, dimming), and is an important device in the smart street light control system. The product has status display, time-sharing output control, Energy-saving equipment control, colorful lamp control, monitoring of analog and switching values, electricity meter collection, ambient temperature monitoring, active alarm, black box data recording and other functions. Centralized controller series products adopt standard electrical connector terminals, are small in size and reasonable in structure, and can be directly applied to industrial sites. Users can quickly form a double-backup or triple-backup communication network according to actual needs without modifying the terminal software. It supports standard protocols such as MODBUS and SL645, which is convenient for the access of users' secondary instruments and third-party equipment. Modular communication interface, truly plug and play. If you need to change the communication mode of the terminal, you only need to connect the corresponding communication module without modifying the terminal software. For example: external TCP/IP protocol converter can realize remote control through Internet (wireless) and Web pages. It can support both wireless and wired communication methods at the same time, (wireless such as: short-wave digital communication, GPRS, CDMA, WCDMA wireless network, wired such as: telephone line, optical fiber and RS485 industrial bus.) Industrial standard design, able to work in various a hostile environment. The centralized controller consists of five parts: carrier communication module, power board, ARM board, GPRS/CDMA/WCDMA module, and I/O control module. It is mainly responsible for the structure and adjustment of the communication network. On the one hand, it collects feedback information such as node controllers and conveys control commands; on the other hand, it communicates with the monitoring center to receive commands and feed back relevant information and data. A single centralized controller can control up to 1024 street light nodes, and it is usually recommended to control about 800 points. The centralized controller has adaptive functions of power line carrier communication and Zigbee radio frequency communication, and the controlled circuit supports power line carrier communication or Zigbee radio frequency communication protocol.

The node controller is a component of the professional street light control system, and it belongs to the same part of the street light control system as the LED street light controller. It is mainly composed of a single light switch control module, a PWM adjustment module for LED brightness, a power supply module, a power carrier module, a minimum single-chip microcomputer system, and an electric meter acquisition module. Each street light control node has the dual attributes of control node (controlling the street light it is in) and routing node (forwarding information to adjacent node controllers), which not only assists the structure of the communication network, but also maintains intercommunication with the centralized controller to complete commands and Feedback. Its core chip adopts the self-developed power line carrier integrated circuit, and cooperates with professional hardware and software design, so that the product has the advantages of powerful functions, easy implementation, no wiring, reliable work, and easy maintenance. It is specially developed to adapt to the environment of China's power grid. High-performance street lamp energy-saving products.

Power carrier communication technology: Power carrier communication is PLC, which is a unique communication method for power systems. Power carrier communication refers to the technology of using existing power lines to transmit analog or digital signals at high speed through carrier waves. Its biggest feature is that it does not need to be reset Set up a network, as long as there are wires, data can be transmitted.

The wireless network of the backstage mechanism of the server is also connected with a remote computer (such as a notebook in Figure 2) or a remote controller (such as a tablet computer in Figure 2). A firewall is set between the wireless network of the server background organization and the network switch. The server is connected to a printer, scanner or projector.

The control flow of the street lamp control and management system based on video detection of incoming vehicles provided in this embodiment is as follows:

1. Instruction issuance process

The monitoring terminal configures the centralized controller and node controller related information on the server in advance through the server background mechanism, and then sends instructions to each centralized controller through wireless network routing, and the centralized controller transmits instructions to each node controller through the current carrier. Then each node controller controls the state of the street lights, so that the monitoring terminal controls the switch lights and light adjustment of the node controllers;

2. Node reporting process

Contrary to the command issuing process of the system, the node controller first transmits the data to the centralized controller, then the centralized controller transmits the data to the server through the GSM/CDMA network through the wireless network route, and the server transmits the data to the monitoring terminal, and finally Decisions are made by monitoring terminals.

The street lamp control and management system based on incoming vehicle video detection provided in this embodiment is divided into five modules: lighting facility management, lighting facility monitoring, control strategy configuration, GIS positioning, and fault warning.

(1) Management of lighting facilities

Lighting facility management mainly maintains and manages lighting facilities such as centralized controllers and node controllers. It mainly includes the following functional points: regional management, centralized controller management, group management, and node controller management.

(2) Monitoring of lighting facilities

Lighting facility monitoring mainly monitors the status of lighting facilities, including the following functions: street light control, landscape light monitoring, lighting facility and route operation status monitoring, lighting monitoring, remote automatic meter reading, statistical query, timing task control management, etc. .

(3) Control strategy configuration

Comprehensively consider and analyze factors closely related to road lighting such as time, road section, environmental illumination and traffic flow, formulate a lighting strategy for each area, carry out dynamic and intelligent management of road lighting according to the preset control strategy, and control street lights (precisely to a single lamp) to achieve a variety of road lighting scenarios in different situations, so as to obtain the best energy-saving effect while improving the lighting quality.

(4) GIS positioning

The system adopts the industry's mature GIS system to graphically locate and monitor street lights. Through the GIS system, users can realize the automatic positioning of centralized controllers and other facilities, understand the situation of all centralized controllers intuitively as a whole, and manage street light channels within a certain range in batches.

(5) Fault warning

When problems such as street lights and other early warning sources fail, the alarm information will be sent to the background system in real time, and the background system will analyze the warning data to realize intelligent fault warning. There are various forms of alarm, such as SMS early warning, email early warning, image early warning, etc.

Embodiment 1 of street lamp control method

Please refer to FIG. 3 , which is a flow chart of Embodiment 1 of the street lamp control method based on video detection of incoming vehicles in the present invention.

The street lamp control method based on video detection of incoming vehicles provided in this embodiment, executes the control strategy configured in advance in the system such as turning on the lights or dimming when a car enters the section, and starts timing at the same time, if the timing reaches the set time ( Hereinafter referred to as "duration", such as 1 minute) before the car enters the section, the oncoming vehicle control strategy operation is resumed. If the timing has not reached the duration and another car enters the section, the timing is restarted.

in particular:

The street lamp control method based on the video detection of incoming vehicles provided in this embodiment is to install a camera and a vehicle detector at the entrance of the road section, which includes the following steps:

Step 1: The camera and the vehicle detector continuously detect and analyze the incoming vehicle information in real time, and proceed to step 2;

Step 2: Determine whether a car is coming, if yes, go to step 3, otherwise return to step 1;

Step 3: The speed and direction information of the car in the future, and upload it to the server backstage organization, go to step 4;

Step 4: Determine whether there is a road section list corresponding to the vehicle detector in the server background mechanism, if yes, go to step 5, otherwise go to step 16;

Step 5: traverse the interval list and go to step 6;

Step 6: Determine whether the vehicle detector is at the entrance of the section, if yes, go to step 7, otherwise go to step 16;

Step 7: Determine whether monitoring is enabled in this interval, if yes, go to step 8, otherwise go to step 16;

Step 8: Determine whether the vehicle arrival control has been implemented in this section, if yes, go to step 9, otherwise go to step 10;

Step 9: Restart the timing and go to step 12;

Step 10: Execute incoming vehicle control for this section, and proceed to Step 11;

Step 11: timing, go to step 12;

Step 12: Determine whether the time has reached the preset duration, if yes, go to step 13, otherwise go to step 11;

Step 13: restore the original state before the arrival of the vehicle to the section;

Step 14: Determine whether there is a subsequent interval in this interval, if yes, enter step 15, otherwise enter step 16;

Step 15: Find the subsequent section, and perform step 7 of streetlight control in the subsequent section;

Step 16: End.

Embodiment 2 of street lamp control method

Please refer to FIG. 4 , which is a flow chart of Embodiment 2 of the street lamp control method based on video detection of incoming vehicles in the present invention.

In the street lamp control method based on incoming car video detection provided by this embodiment, when a car enters the section from the entrance, first add 1 to the "number of vehicles in the section" (initialized to 0), if the number of vehicles in the section is equal to 1 (the first vehicle vehicle enters the section) executes the control strategy configured in the system in advance such as turning on the lights or dimming, otherwise (the number of vehicles in the section is greater than 1) does not perform any operation (the coming vehicle control strategy has been executed before); When leaving the section at the exit, the number of vehicles in the section is reduced by 1. If the number of vehicles in the section is equal to 0, the operation of the incoming vehicle control strategy is resumed. If the number of vehicles in the section is greater than 0, no operation is performed.

in particular:

The street lamp control method based on the video detection of incoming vehicles provided in this embodiment installs a camera and a vehicle detector at the entrance and exit of the road section respectively, which includes the following steps:

Step 1: The camera and the vehicle detector continuously detect and analyze the incoming vehicle information in real time, and proceed to step 2;

Step 2: Determine whether the car is coming, if yes, go to step 3, if not, return to step 1;

Step 3: Upload the speed and direction information of the future car to the server background mechanism, and enter step 4;

Step 4: Determine whether there is a road section list corresponding to the vehicle detector in the server background mechanism, if yes, then step 5, if not, then step 17;

Step 5: traverse the list of road intervals and go to step 6;

Step 6: Determine whether monitoring is enabled in this interval, if yes, go to step 7, otherwise go to step 17;

Step 7: Judging whether the vehicle detector is at the entrance of the section, if yes, go to step 8, otherwise go to step 12;

Step 8: Add 1 to the "Number of vehicles in the section" of the section, and go to step 9;

Step 9: Determine whether the "number of vehicles in the section" of the section is greater than 0, if yes, go to step 10, otherwise go to step 9;

Step 10: Judging whether the zone has been controlled by incoming vehicles, if yes, go to step 17, otherwise go to step 11;

Step 11: Execute incoming vehicle control on the section, and enter step 17;

Step 12: Judging whether the vehicle detector is the exit of the section, if yes, go to step 13, otherwise go to step 17;

Step 13: Subtract 1 from the "number of vehicles in the section" of the section, and enter step 14;

Step 14: Determine whether the "number of vehicles in the section" of the section is less than 1, if yes, go to step 15, otherwise go to step 17;

Step 15: Judging whether the interval has been controlled by incoming vehicles, if yes, go to step 16, otherwise go to step 17;

Step 16: Restore the state before the arrival of the vehicle to the section, and enter step 17;

Step 17: End.

Please refer to FIG. 5 , which is a flowchart of a street lamp control strategy based on video detection of incoming vehicles in an embodiment of the present invention.

A street lamp control strategy based on video detection of incoming vehicles, which includes the following steps:

Step 1: More than two sensors send out control commands to the centralized controller;

Step 2: After receiving the control command, the server background system encapsulates it and saves it to the system stack;

Step 3: The server background system queues up the control commands and exits the system stack according to the queue;

Step 4: The server background system judges whether the control command can directly operate the centralized controller;

Step 5: If yes, send the instruction to the centralized controller for execution, and lock the centralized controller; if not, the centralized controller is in a locked state, and put the control instruction back into the stack;

Step 6: The centralized controller performs corresponding operations after receiving the control instructions;

Step 7: The centralized controller replies the completion of the control command, and if the operation is completed, the centralized controller is unlocked.

Preferably, in step 1, three sensors send control instructions to the centralized controller, and the three sensors are vehicle sensors, manual sensors and system sensors.

Preferably, in step 3, the control commands of the vehicle sensors are prioritized before the control commands of the manual sensors, and the control commands of the manual sensors are prioritized before the control commands of the system sensors.

Compared with the prior art, the street lamp control and management system based on video detection of incoming vehicles provided by the present invention has the following advantages:

(1) Intelligent control: comprehensively use cameras and vehicle detectors to conduct video detection of road traffic, including information such as speed and driving direction, and intelligently control street lights according to the situation of incoming vehicles, such as turning on lights or adjusting brightness;

(2) Energy saving: it can effectively save electricity at night or in places with less traffic flow, and achieve real on-demand lighting;

(3) Environmental protection: street lights do not need to run at the highest brightness all night, which helps to reduce light pollution and is more environmentally friendly;

(4) Convenient management: Combined use of centralized controllers and energy-saving controllers to intelligently control street lamps will help create a smart lighting management platform and help improve the efficiency of street lamp operation and management;

(5) Decision support: According to data such as road traffic conditions and control of street lights, it helps to improve the scientific decision-making ability of government departments in urban lighting construction.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. the street lamp control management system based on the Video Detection of sending a car is characterized in that, comprises camera, vehicle checker, network route, server background mechanism, Centralized Controller, Node Controller and street lamp, wherein:

Camera: the interval video information of sending a car in picked-up road surface;

Vehicle checker: the video information of sending a car to the camera picked-up is carried out check and analysis;

The network route: the check and analysis data upload of the video information of sending a car is to server background mechanism;

Server background mechanism: comprise wireless network, monitor terminal and server; Monitor terminal is connected with wireless network through network switch with server; To the send a car check and analysis data of video information of network route are uploaded onto the server through internet network; Server is resolved the check and analysis data of uploading again, and gives Centralized Controller according to the control strategy sending controling instruction that the user configures;

Centralized Controller: control command is transferred to Node Controller;

Node Controller: the control command according to Centralized Controller is accomplished switch or brightness regulation to street lamp.

2. the street lamp control management system based on the Video Detection of sending a car according to claim 1 is characterized in that, vehicle checker carries out check and analysis based on the virtual coil technology to the video information of sending a car of camera picked-up.

3. the street lamp control management system based on the Video Detection of sending a car according to claim 1 is characterized in that the network route is the wireless network route, and the check and analysis data of the video information of sending a car are through the upload onto the server server of backstage mechanism of wireless network.

4. the street lamp control management system based on the Video Detection of sending a car according to claim 3 is characterized in that, network route and communication tool wireless connections.

5. the street lamp control management system based on the Video Detection of sending a car according to claim 3; It is characterized in that; The server of server background mechanism is resolved the check and analysis data of uploading, and sends to Centralized Controller according to the control strategy that the user configures through wireless network.

6. the street lamp control management system based on the Video Detection of sending a car according to claim 5 is characterized in that the control command of monitor terminal is sent to Centralized Controller through server.

7. the street lamp control management system based on the Video Detection of sending a car according to claim 1 is characterized in that Centralized Controller is transferred to Node Controller through the power line carrier, PLC mode with control command.

8. the street lamp control management system based on the Video Detection of sending a car according to claim 1 is characterized in that the wireless network of server background mechanism also is connected with remote computer or remote controllers.

9. the street lamp control management system based on the Video Detection of sending a car according to claim 1 is characterized in that, is provided with fire compartment wall between the wireless network of server background mechanism and the network switch.

10. the street lamp control management system based on the Video Detection of sending a car according to claim 1 is characterized in that server is connected with printer, scanner or projecting apparatus.

Images