CN205051937U - Remote control system for LED (light emitting diode) street lamp - Google Patents

Abstract

The utility model discloses a remote control system for LED street lamps, which comprises a remote control terminal, a gateway module and several street lamp terminals. The street lamp terminals include a main controller and wireless communication modules respectively connected thereto, a timer, a light intensity sensor and LED The constant current drive module also includes a constant voltage power supply module and a step-down module. The constant voltage power supply module directly supplies power to the LED constant current drive module, and the constant voltage power supply module provides power for the aforementioned main controller, timer, and light intensity sensor through the step-down module. The light intensity sensor is provided on the outer surface of the street lamp, and the signal acquisition end of the light intensity sensor is provided with a light attenuation sheet, and the remote control end performs signal transmission with each street lamp terminal through the gateway module and the wireless communication module. The utility model adopts two-level communication mode, overcomes the disadvantages of traditional wired control and wireless control mode, and saves energy.

Description

A remote control system for LED street lights

technical field

The utility model belongs to the technical field of LEDs, in particular to an LED street lamp control system.

Background technique

With the rapid development of social economy and the acceleration of urbanization, road lighting construction, as an urban infrastructure to protect people's livelihood, has also developed rapidly. Every year, traditional road lighting consumes a lot of electricity, and the management efficiency of street lights in the past is low. Therefore, people urgently need to realize the reform of automation, intelligence and energy saving of street lights.

As a new generation of green light source, LED has many advantages that traditional light sources cannot match, so it has a bright future in the field of road lighting. With the rapid development of technology, the control methods of street lamps have also changed from traditional manual methods to automatic timing switches, and then to today's wireless remote control methods. The current street lamp control system can be mainly divided into wired control, power line carrier control and wireless control. Wired control requires additional laying and maintenance of cables, which is costly; although power line carrier control saves costs, noise interference and the blocking effect of distribution transformers on power carrier signals degrade data transmission quality; due to GPRS or GSM traffic billing is relatively high , Wifi consumes a lot of power, so the wireless control method also has disadvantages.

Utility model content

In order to solve the technical problems raised by the above-mentioned background technology, the utility model aims to provide a remote control system for LED street lamps, which adopts a two-level communication method, overcomes the disadvantages of traditional wired control and wireless control methods, and saves energy.

In order to realize above-mentioned technical purpose, the technical scheme of the utility model is:

A remote control system for LED street lamps, including a remote control terminal, a gateway module, and several street lamp terminals. The street lamp terminals include a main controller and a wireless communication module connected thereto, a timer, a light intensity sensor, and an LED constant current drive The module also includes a constant voltage power supply module and a step-down module, the constant voltage power supply module directly supplies power to the LED constant current drive module, and the constant voltage power supply module provides the aforementioned main controller, timer, light intensity sensor and The light intensity sensor is powered, the light intensity sensor is arranged on the outer surface of the street lamp, and the signal acquisition end of the light intensity sensor is provided with a light attenuation sheet, and the remote control end performs signal transmission with each street lamp terminal through the gateway module and the wireless communication module.

Based on a preferred solution of the above-mentioned technical solution, the above-mentioned wireless communication module adopts a Zigbee communication module.

Based on a preferred solution of the above-mentioned technical solution, the above-mentioned remote control terminal is a PC including a display.

Based on a preferred solution of the above-mentioned technical solution, the model of the above-mentioned light intensity sensor is TSL256X.

Based on a preferred solution of the above technical solution, the model of the LED constant current drive module is ZXLD1356.

Based on a preferred solution of the above technical solution, the model of the step-down module is MAX5033B.

The beneficial effect brought by adopting the above-mentioned technical scheme:

(1) This utility model aims at the present situation that domestic street lamp control is mostly manual control or timing switch, chooses Zigbee and other wireless communication modules and the secondary communication mode of Ethernet interconnection, and combines wired and wireless technology, long-distance and short-distance communication technology Combined to form a new complete real-time monitoring system for street lamps;

(2) The utility model uses light intensity sensors and timers to conveniently and efficiently switch lights and perform time-sharing PWM dimming to make resource allocation more reasonable and further achieve the purpose of energy saving and emission reduction.

Description of drawings

Fig. 1 is a schematic diagram of the basic structure of the utility model.

Fig. 2 is a composition block diagram of the utility model street light terminal.

detailed description

The technical solutions of the present utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1 , the basic structure block diagram of the utility model is a remote control system for LED street lamps, which includes a remote control terminal, a gateway module and several street lamp terminals.

As shown in Figure 2, the street lamp terminal includes a main controller and a wireless communication module connected to it, a timer, a light intensity sensor, and an LED constant current drive module, as well as a constant voltage power supply module and a step-down module. The power supply module directly supplies power to the LED constant current drive module, and the constant voltage power supply module supplies power to the aforementioned main controller, timer, light intensity sensor and light intensity sensor through the step-down module, and the light intensity sensor is arranged on the outer surface of the street lamp, and The signal acquisition end of the light intensity sensor is provided with a light attenuation sheet, and the remote control end performs signal transmission with each street lamp terminal through the gateway module and the wireless communication module.

In this embodiment, the constant voltage power supply module adopts the AC/DC power supply model of CEN-100-48, the input voltage is 100V, the output is constant voltage 48V-2A, it has active PFC function, high protection level, high reliability , easy to use in outdoor street lights. This module directly supplies power to the LED constant current driver module.

In this embodiment, the step-down module adopts a MAX5033B chip, which can convert the high voltage output by the constant voltage power supply module into a lower working voltage suitable for each chip.

In this embodiment, the light intensity sensor adopts a model TSL256X chip. TSL256X is a light intensity digital conversion chip with high speed, low power consumption, wide range, programmable and flexible configuration. The light intensity is much greater than the test range of the test chip, so adding a light attenuation sheet to the opening of the light intensity sensor of the street lamp node module can not only protect the chip, but also achieve the purpose of reducing the light intensity.

In this embodiment, the wireless communication module adopts a ZigBee communication module.

In this embodiment, the remote control terminal is a PC including a display.

Working principle of the utility model:

The communication between the street light terminal and the gateway is through ZigBee wireless network, while the connection between the gateway and the remote control terminal is realized through Ethernet. Through the entire system, users can easily control the working conditions of LED street lights on the remote control terminal and monitor their operating status, and the gateway realizes the seamless connection of the two network topologies.

The light intensity sensor is used to detect the light intensity changes in each area, and upload the light intensity changes in each area to the remote control terminal. The remote control terminal sends timer control signals to each street lamp terminal according to the light intensity changes in each area, and the The controller operates according to the control signal to generate a PWM signal, and the main controller transmits the PWM signal to the LED constant current drive module to control the opening and closing of each LED street lamp and the change of brightness and darkness.

The above embodiments are only to illustrate the technical ideas of the utility model, and cannot limit the protection scope of the utility model with this. Any changes made on the basis of the technical solutions according to the technical ideas proposed by the utility model all fall into the scope of the utility model. within the scope of the new protection.

Claims (6)

1. A kind of LED street lamp remote control system, it is characterized in that: comprise remote control terminal, gateway module and several street lamp terminals, described street lamp terminal comprises main controller and wireless communication module, timer, light intensity connected with it respectively The sensor and the LED constant current drive module also include a constant voltage power supply module and a step-down module. The light intensity sensor and the light intensity sensor are powered, the light intensity sensor is arranged on the outer surface of the street lamp, and the signal acquisition end of the light intensity sensor is provided with a light attenuation sheet, and the remote control end realizes communication with the gateway module and the wireless communication module Signal transmission of each street light terminal. 2. A remote control system for LED street lamps according to claim 1, wherein the wireless communication module adopts a ZigBee communication module. 3. A remote control system for LED street lamps according to claim 1, wherein the remote control terminal is a PC including a display. 4. A remote control system for LED street lamps according to claim 1, wherein the model of the light intensity sensor is TSL256X. 5. A remote control system for LED street lamps according to claim 1, wherein the model of the LED constant current drive module is ZXLD1356. 6. A remote control system for LED street lamps according to claim 1, wherein the model of the step-down module is MAX5033B.