CN202721876U - A single LED street lamp monitoring system - Google Patents

Abstract

The utility model, which relates to the field of the lighting energy-saving control technology, provides a single lamp monitoring system for an LED streetlamp. The monitoring system comprises a plurality of signal lamp field controllers, a plurality of ZigBee short-distance wireless communication units connected with the plurality of signal lamp field controllers, GPRS units connected with short-distance wireless coordinators, and a monitoring terminal. The signal lamp field controllers collect working state parameters of LED streetlamps and control the working states of the LED streetlamps according to control instructions issued by the monitoring terminal; the short-distance wireless coordinators transmit the LED streetlamp working states collected by the signal lamp field controllers to the monitoring terminal by the GPRS units; and the monitoring terminal carries out statistics and analyses on the working state parameters of all the LED streetlamps and executes corresponding controlling on all the LED streetlamps. According to the monitoring system provided by the utility model, the streetlamp faults can be detected timely and accurately; and the monitoring system has advantages of reliable running, high efficiency and energy conservation, accurate positioning, convenient maintenance and high automation degree.

Description

A single LED street lamp monitoring system

technical field

The utility model belongs to the technical field of lighting power-saving control, in particular to a single-lamp monitoring system for LED street lamps.

Background technique

With the rapid development of economy, science and technology and the continuous improvement of urbanization level, LED street lamps, as a new generation of light sources, are widely used in urban lighting systems because of their advantages in energy saving and environmental protection, bringing great convenience to people's travel and life. , It has played a great role in beautifying the city and building an export-oriented modern city.

At present, the high-power LED street lighting system in most cities in my country adopts the "all-night light" method for lighting, and the control method is still a simple traditional method such as light control, time control or manual regulation. This lighting method has defects, such as :

(1) Vehicles and pedestrians on the road become scarce after midnight, and the use of "all-night lights" will inevitably cause waste of power, which is contrary to the national policy of building an "energy-saving society";

(2) The second half of the night is the low power consumption period, and the voltage of the power system rises, which greatly affects the service life of equipment and LED lamps;

(3) The operation of traditional street lamps cannot be controlled remotely, and the damage of street lamps can only be inspected manually, which increases the workload and maintenance costs of the street lamp management department;

(4) Wired cables control LED street lights, the communication protocol is more complicated, and the construction cost and operating cost are relatively high;

(5) The common power carrier control is susceptible to the interference of the strong magnetic field of the power line, and the communication environment is harsh, while the control method based on GSM short message is too expensive and requires human intervention.

Utility model content

The purpose of the utility model is to provide a LED street lamp single-lamp monitoring system with timely and accurate detection of street lamp failure, reliable operation, high efficiency and energy saving, accurate positioning, convenient maintenance and high degree of automation.

The utility model is achieved in this way. It is a single-lamp monitoring system for LED street lamps. The single-lamp monitoring system for LED street lamps includes:

Installed in the lampshade of the LED street lamp, collects the working state parameters of the LED street lamp and controls the single-lamp on-site controller of the LED street lamp;

A short-distance wireless coordinator that communicates with the single-lamp on-site controller to obtain the LED street lamp working state parameters collected by the single-lamp on-site controller, and one short-distance wireless coordinator is correspondingly connected to several single-lamp on-site controllers ;

Connect with the serial port of the short-distance wireless coordinator through the bus, wirelessly output the LED street lamp working state parameters obtained by the short-distance wireless coordinator, and broadcast the GPRS unit that outputs control commands to the short-distance wireless coordinator, one of the The GPRS unit corresponds to one of the short-distance wireless coordinators;

A monitoring terminal that is connected to the GPRS unit, acquires and analyzes the working state parameters of the LED street lamp, and completes data interaction with the GPRS unit. One monitoring terminal corresponds to several GPRS units.

As an improvement, the single lamp site controller includes:

A collection module that is connected with the LED street lamp and collects the working state parameters of the LED street lamp;

Connect with the acquisition module, and output the LED street lamp working state parameters collected by the acquisition module to the short-distance wireless transceiver module of the short-distance wireless coordinator through the short-distance wireless protocol;

It is connected with the LED street lamp to control the drive control circuit for turning on and off the LED street lamp.

As an improvement, the short-distance wireless coordinator specifically includes:

A network address allocation module that is connected with a single-lamp field controller and assigns network addresses to the nodes of the short-distance wireless network that apply for joining;

Connect with the single-lamp field controller and the GPRS unit, and forward the LED street lamp working state parameters transmitted by the single-lamp field controller to the forwarding module of the GPRS unit;

The broadcast module is connected with the single-lamp site controller and the GPRS unit, and broadcasts the control instructions received by the GPRS unit to the single-lamp site controller.

As an improvement, the monitoring terminal specifically includes:

A communication module that communicates with the remote GPRS unit, receives the working status parameters of each LED street lamp sent by the GPRS unit or outputs control instructions to the GPRS unit;

A statistical module that is connected to the communication module and performs statistical analysis on the working state parameters of each LED street lamp received by the communication module;

A display module that is connected to the statistical module and displays the data obtained by the statistical module;

An alarm module that is connected with the statistical module and provides an alarm prompt to the faulty LED street lamp;

A control module that is connected with the communication module and controls the on and off of each LED street lamp.

As an improvement, the short-distance wireless coordinator is a ZigBee coordinator.

The LED street lamp single-lamp monitoring system provided by the utility model includes several single-lamp on-site controllers, several short-distance wireless coordinators connected with the several single-lamp on-site controllers, and a GPRS unit connected with the short-distance wireless coordinator And the monitoring terminal, the single-light field controller collects the working state parameters of the LED street light, and controls the working state of the LED street light according to the control instructions issued by the monitoring terminal, and the short-distance wireless coordinator collects the LED street light The working status parameters of the street lamps are sent to the monitoring terminal through the GPRS unit, and the monitoring terminal performs statistical analysis on the working status parameters of each LED street lamp, and performs corresponding control on each LED street lamp. The monitoring system can timely and accurately detect street lamp failures, reliable operation, high efficiency and energy saving, accurate positioning, convenient maintenance, and a high degree of automation.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the LED street lamp single lamp monitoring system provided by the utility model;

Fig. 2 is a structural block diagram of the single-lamp field controller provided by the utility model;

Fig. 3 is the structural block diagram of the short distance wireless coordinator provided by the utility model;

Fig. 4 is a structural block diagram of the monitoring terminal provided by the utility model.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Fig. 1 shows a schematic diagram of the structure of the LED street lamp single-lamp monitoring system provided by the present invention. For the convenience of description, only the parts related to the present invention are shown in the figure.

The LED street lamp single-lamp monitoring system provided by the utility model includes several single-lamp on-site controllers, several short-distance wireless coordinators connected with the several single-lamp on-site controllers, and a GPRS unit connected with the short-distance wireless coordinator And the monitoring terminal, specifically:

The single-lamp on-site controller is installed in the lampshade of the LED street lamp, collects the working state parameters of the LED street lamp and controls the LED street lamp to turn on and off;

The short-distance wireless coordinator communicates with the single-light field controller to obtain the LED street light working state parameters collected by the single-light field controller. Among them, a short-distance wireless coordinator is correspondingly connected to several single-light field controllers;

The GPRS unit is connected to the serial port of the short-distance wireless coordinator through the bus, and wirelessly outputs the LED street lamp working status parameters obtained by the short-distance wireless coordinator, and broadcasts the control commands issued by the monitoring terminal to the short-distance wireless coordinator. Among them, one GPRS unit corresponds to A short-range wireless coordinator;

The monitoring terminal is connected with the GPRS unit to obtain and analyze the working status parameters of the LED street lamp, and complete the data interaction with the GPRS unit. One monitoring terminal corresponds to several GPRS units.

It can be seen from the above description that the LED street lamp single lamp monitoring system provided by the utility model is a network framework combining a short-distance wireless network and a GPRS network. The network framework includes a monitoring terminal, several GPRS units and a short-distance wireless coordinator. Each short-distance wireless coordinator corresponds to a group (several) of single-light on-site controllers, and each short-distance wireless coordinator corresponds to a maximum of 250 single-light controllers, that is, each group of single-light controllers can be set up to 250 , which forms a pyramid structure, which solves various defects of current LED street lights.

Wherein, the above-mentioned GPRS network can be understood as the GPRS terminal equipment, the above-mentioned GPRS unit and the GPRS transmission channel arranged at one end of the monitoring terminal, which will not be described in detail here, but it is not intended to limit the present invention.

Its workflow is:

The single-lamp on-site controller collects the working state parameters of the LED street lamp, and controls the working status of the LED street lamp according to the control instructions issued by the monitoring terminal;

The short-distance wireless coordinator transmits the working status parameters of the LED street lamps collected by the single-lamp field controller to the monitoring terminal through the GPRS unit, and the monitoring terminal performs statistical analysis on the working status parameters of each LED street lamp. Conversely, the monitoring terminal can also monitor each The single-lamp site controller sends control commands, such as switch commands, read status information commands, control LED illumination commands, etc., and broadcast them to the entire network through the short-distance wireless coordinator, and the single-lamp site controller responds after receiving the control commands control action.

In the present utility model, as shown in Figure 2, the single-lamp field controller includes an acquisition module 21, a short-distance wireless transceiver module 22 and a drive control circuit 23, which are specifically:

The collection module 21 is connected with the LED street lamp, and collects the working state parameters of the LED street lamp, wherein the working state parameters of the LED street lamp specifically include the working current, working voltage, power factor, brightness and temperature information of the LED street lamp;

The short-distance wireless transceiver module 22 is connected with the collection module 21, and the LED street lamp working state parameters collected by the collection module 21 are output to the short-distance wireless coordinator through a short-distance wireless protocol, wherein the short-distance wireless protocol can be a ZigBee protocol;

The drive control circuit 23 is connected with the LED street lamp to control the LED street lamp to turn on and off. The drive control circuit 23 can improve its function on the basis of the existing drive control circuit, so that it can freely control the LED street lamp according to the control command of the monitoring terminal. The state of the street light is on and off.

specifically:

On the one hand, the single-lamp on-site controller receives the control commands issued by the short-distance wireless coordinator (sent by the monitoring terminal), and executes corresponding operations; The distance from the wireless coordinator finally reaches the monitoring terminal; at the same time, it can generate a PWM signal to the drive control circuit to adjust the brightness of the street lamp according to the demand.

The single-lamp field controller can use TI's CC2430 module, a system single chip that conforms to the ZigBee technical standard, integrates an enhanced 8051 microcontroller core and a 2.4GHz radio frequency transceiver that conforms to the IEEE802.15.4 standard, and has excellent wireless performance. Receiving sensitivity and strong anti-interference performance, each single-light field controller has a unique network address, which corresponds to the code of the light pole, and can be easily located by the monitoring center to the controller's position, so as to achieve isolation Various energy-saving controls such as one light on one time, one light on every other time, and lower brightness in the middle of the night.

Under normal circumstances, the single-lamp field controller also needs to provide power to work normally. Here, 220V mains power (not shown in the figure) can be used. In addition to supplying the drive control circuit, the 220V mains power is also stabilized by DC The conversion circuit supplies power to the entire short-distance wireless device module, so it is necessary to convert the 220V AC power into 5V and 3.3V DC power sources through a DC voltage regulator circuit.

The single-light field controller can actively report various working state parameters and detection data of the received LED street lamp to the monitoring terminal through the short-distance wireless coordinator according to the preset time period. When the single-light field controller detects that a certain street light has When a sudden fault (such as abnormal current value, etc.) occurs, the fault information is also reported to the monitoring terminal in the form of active reporting, and the staff can notify the maintenance personnel as needed according to the prompts of the monitoring terminal.

The single-lamp site controller provided by the utility model also has a self-check function, and its specific realization principle is: after the LED street lamp switch is closed, if it detects that there is voltage but no current, it means that the lamp is broken; If there is no current, it means that the switch is broken; after the switch is turned off, if there is current and voltage, it means that the switch is broken; if there is voltage but no current, it means that both the switch and the street lamp are broken. If the detected temperature is too high, it means that the radiator of the LED street lamp is faulty; if the signal of the illuminance sensor is too low, it means that there is probably too much dust in the lamp or the light decay is serious, and it needs to be replaced in advance.

In the present utility model, as shown in Figure 3, the short-distance wireless coordinator specifically includes:

The network address allocation module 31 is connected with the single-lamp field controller, and performs network address allocation to the nodes of the short-distance wireless network that apply for joining;

The forwarding module 32 is connected with the single-lamp field controller and the GPRS unit, and forwards the LED street lamp working state parameters transmitted by the single-lamp field controller to the GPRS unit;

The broadcast module 33 is connected with the single-lamp on-site controller and the GPRS unit, and broadcasts the control instructions received by the GPRS unit to the single-lamp on-site controller.

In this embodiment, the short-distance wireless protocol can be the ZigBee protocol, that is, the short-distance wireless coordinator can be a ZigBee coordinator, wherein the ZigBee coordinator mainly completes the communication with the single-light field controller and the communication with the monitoring terminal. Dual task, it enters the state of monitoring the network immediately after the ZigBee network is established. When a single-light field controller applies to join the network, the ZigBee coordinator assigns a network address to it; When the street lamp working state parameters are processed, it is sent to the serial port to the GPRS unit; when the GPRS unit receives the control command output by the remote monitoring terminal, it broadcasts it to the entire ZigBee network.

In the present utility model, as shown in Figure 4, the monitoring terminal specifically includes:

The communication module 41 communicates with the remote GPRS unit, receives the working status parameters of each LED street lamp sent by the GPRS unit or outputs control instructions to the GPRS unit, wherein the communication module 41 also has a small GPRS module and antenna settings to achieve reception The function of LED street lamp working status parameters and output control commands;

The statistical module 42 is connected with the communication module 41, and the working state parameters of each LED street lamp received by the communication module 41 are statistically analyzed;

The display module 43 is connected with the statistics module 42, and the data obtained by the statistics module 42 is displayed;

The alarm module 44 is connected with the statistical module 42, and the fault LED street lamp is alarmed;

The control module 45 is connected with the communication module 41 to control the on and off states of each LED street lamp.

Of course, in this embodiment, the monitoring terminal also includes other components or unit modules, which will not be described in detail here. For details, refer to the following:

In this embodiment, the specific implementation of the monitoring terminal is:

The monitoring terminal mainly monitors and controls the working status of the entire monitoring system as a whole. It can realize real-time monitoring of the operating status of each LED street lamp and receive sampling information, record and analyze data and manage the database. It mainly realizes communication with GPRS communication module, completes receiving, displaying and storing data, and sending control commands. The monitoring program of the monitoring system can use the winsock control as the communication link carrier between the GPRS module and the data center. According to the connection status parameters of the winsock, it can be dynamically observed whether the instrument is being monitored; the background database supports data storage at any time, and can check the history It can also save the current record and display the current time; the system has set the login authority, and provides functions such as parameter setting, data monitoring, printing operation, and system self-inspection in the main menu screen. If the user operates the computer with a good interface, when the cable is abnormal during operation, the display screen and the accident sound will appear at the same time, which can be directly viewed on the cable channel simulation map of the computer, and the actual location of the fault can be quickly and accurately judged. The reliability and technical management level of cable operation have been greatly improved.

Its main functions include:

(1) The monitoring terminal is connected to the LED single-lamp field controllers distributed in various roads through the GPRS network and the ZigBee network, and sends single-lamp switching instructions and dimming instructions to the single-lamp field controllers;

(2) The monitoring terminal can receive information such as working current, working voltage, power factor, brightness and temperature from each LED street lamp, and display the working status parameters of the LED street lamp on the main monitoring interface;

(3) The monitoring terminal adopts database-related technology, which can save the historical working status parameter information of each LED street lamp according to the set time interval;

(4) The monitoring terminal has the function of generating curve reports, which can count, classify and sort out the working status parameters of each street lamp within a specific time range;

(5) The monitoring terminal can implement an active alarm. Once a certain street lamp fails or the cable is stolen, it can actively analyze the data and remind the street lamp management personnel who manage the software of the monitoring center;

(6) The control method of the monitoring terminal for street lamps adopts a combination of light control, time control and manual intervention. The algorithm provides a switch light strategy according to the external sudden change of lighting environment;

(7) The monitoring terminal has the function of automatic inspection, which can automatically count the lighting rate according to the changes of voltage, current and active power, and the data collection accuracy is less than ±1%;

(8) The monitoring terminal encapsulates the geographic information system (Geographic Information System, GIS), which realizes the organic combination of lighting monitoring and geographic information management. The display interface of the monitoring terminal has a working mode with electronic maps as the main body. Find the location of the single-lamp site controller and the parameters of various devices, and batch control the on-off of street lamps within a certain range, truly realizing the service of checking lights by map, controlling lights by map, and checking maps by lamp.

In the utility model, the working process of the LED street lamp single lamp monitoring system is:

After the monitoring terminal is started, the system is initialized first, and the network communication parameters are set;

According to the set time, the data collection command is sent to the ZigBee coordinator (received by the GPRS unit) through the GPRS network, and the ZigBee coordinator transmits the command to the single-light field controller through the ZigBee network;

The LED street lamp working status parameters collected by the single-lamp field controller are reversely transmitted to the control terminal and stored in the database, and at the same time, the street lamp status on the monitoring interface is updated;

If the monitoring terminal does not regularly receive the normal working signal from the single-lamp field controller, it can alarm, and the alarm information can be used by the staff to formulate follow-up control strategies, so that the remote and intelligent management of street lamps can be realized.

This LED street lamp single lamp monitoring system adopts a network based on ZigBee+GPRS technology to solve the current LED street lamp monitoring problems, so as to achieve intelligent management and real-time monitoring of urban street lamps. The LED street lamp automatic monitoring system has the following advantages:

(1) Flexible control: It can group and control the LED street lights in the system, and automatically adjust the switch status and brightness of the street lights according to the time, which not only saves power resources, but also prolongs the service life of the lights;

(2) Convenient inspection and maintenance: It can remotely collect the working status parameters of various LED street lamps such as electricity and temperature, and use intelligent algorithms to analyze the operating status of LED street lamps, and carry out early warning and classification of the "sub-healthy" status of street lamps. , while reducing labor maintenance costs, it greatly facilitates the management of lamps;

(3) Reliable networking: Compared with the traditional lighting system control technology, it has the advantages of wireless transmission and flexible networking, which can save wiring costs and avoid line failures. It has strong anti-interference ability and high stability.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (5)

1. a LED single lamp monitor-control system for road lamp is characterized in that, described LED single lamp monitor-control system for road lamp comprises:

Be installed in the LED street lampshade, gather single lamp field controller of LED street lamp working status parameter and the light on and off of the described LED street lamp of control;

Be connected with the communication of described single lamp field controller, obtain the short-distance wireless telegon of the LED street lamp working status parameter of described single lamp field controller collection, corresponding several the single lamp field controllers that connect of described short-distance wireless telegon;

Be connected with described short-distance wireless telegon serial ports by bus, the LED street lamp working status parameter that the described short-distance wireless telegon of wireless output obtains, and to the GPRS unit that described short-distance wireless telegon is broadcasted the output control command, the corresponding described short-distance wireless telegon in described GPRS unit;

Be connected with described GPRS unit, obtain, analyze described LED street lamp working status parameter, and finish the monitor terminal mutual with described GPRS cell data, corresponding several the described GPRS unit of described monitor terminal.

2. LED single lamp monitor-control system for road lamp according to claim 1 is characterized in that, described single lamp field controller comprises:

Be connected with the LED street lamp, gather the acquisition module of described LED street lamp working status parameter;

Be connected with described acquisition module, the described LED street lamp working status parameter of described acquisition module collection outputed to the short-distance wireless transceiver module of described short-distance wireless telegon by short-range wireless protocol;

Be connected with described LED street lamp, control the Drive and Control Circuit of described LED street lamp light on and off.

3. LED single lamp monitor-control system for road lamp according to claim 1 is characterized in that, described short-distance wireless telegon specifically comprises:

Be connected with single lamp field controller, the node of the short-distance radio network that application is added carries out the network address distribution module that the network address is distributed;

Be connected with single lamp field controller, GPRS unit, described single lamp field controller is transmitted the forwarding module that the LED street lamp working status parameter of sending here is forwarded to described GPRS unit;

Be connected with single lamp field controller, described GPRS unit, broadcast the broadcast module of the control command that described GPRS unit receives to described single lamp field controller.

4. LED single lamp monitor-control system for road lamp according to claim 1 is characterized in that, described monitor terminal specifically comprises:

Be connected with the GPRS unit communications of far-end, receive each LED street lamp working status parameter that described GPRS unit sends or to the communication module of described GPRS unit output control command;

Be connected the statistical module that the working status parameter of each LED street lamp that described communication module is received is carried out statistical analysis with described communication module;

Be connected the display module that the data that described statistical module counts is obtained show with described statistical module;

Be connected with described statistical module, fault LED street lamp carried out the alarm module of alarm;

Be connected the control module that the light on and off of each LED street lamp are controlled with described communication module.

5. LED single lamp monitor-control system for road lamp according to claim 1 is characterized in that, described short-distance wireless telegon is the ZigBee telegon.

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