CN205232551U - Based on zigBee solar street lamp fault detection system - Google Patents

Abstract

The utility model invention is based on a ZigBee solar street lamp fault detection system. Photosensitive sensors are used to detect the illuminance of solar street lamps, pressure sensors are used to measure the pressure of street lamp poles, leakage detection circuits are used to monitor power supply safety, and data collection, processing, and wireless transmission are used to monitor the operation of street lamps. The utility model relates to the technical fields of municipal administration technology, wireless sensor network, ZigBee technology and the like. Aiming at the complex maintenance of municipal street lamps, high operating costs, and difficulty in finding the location of faulty street lamps, a fault detection system based on ZigBee solar street lamps is proposed to replace the traditional inspection by maintenance personnel. At the same time, the invention also has the characteristics of low cost, low power consumption, strong practicability and expandability, etc., which is of great significance for reducing the number of trips of inspectors and reducing the operating cost of street lamps.

Description

Fault detection system based on ZigBee solar street light

technical field

The invention relates to a ZigBee-based solar street lamp fault detection system, including system fault sensing design and wireless transmission technology realization, in particular to a street lamp fault detection method, which belongs to the technical field of municipal management, wireless sensor network, ZigBee technology and other technical fields.

Background technique

At present, the inspection process of the municipal street lighting system is regularly inspected by personnel, which increases the burden of the inspection personnel, resulting in high inspection costs, unable to find the location of the faulty solar street lamp in time, and unable to ensure the safe, reliable and economical operation of the power system. With the expansion of urbanization, there are more and more requirements for street lamps, and there are greater requirements for the detection of faulty street lamps. For ordinary inspections, more cost input is required, which makes the operating cost of street lights too high, which is not conducive to the management of urban street lights.

In order to strengthen the maintenance and management level of road lighting facilities, ensure the integrity and safe operation of street lighting facilities in urban areas, improve the management level, ensure the safety, reliability and economic operation of the street lighting power system, and create a good living and working environment for the masses, the ZigBee-based Solar street light fault detection system.

ZigBee technology is a two-way wireless communication technology, which has the characteristics of low complexity, short distance, low power consumption, low speed and low cost. It is mainly used for data transmission between various electronic devices with low power consumption and low transmission rate, as well as typical applications with periodic data, intermittent data and low response time data transmission. It is suitable for the fields of automatic control and remote control and Various devices can be embedded. Compared with other wireless communication technologies, such as Bluetooth and Wi-Fi, the biggest advantage of ZigBee lies in self-organization and huge network capacity. It is precisely because of the unique advantages of ZigBee technology that it can be competent for such a working environment and complete the task of wirelessly monitoring solar street lamp failures.

Utility model content

The purpose of the invention of the utility model is to provide a ZigBee-based solar street lamp fault detection system, which is used for street lamp fault detection analysis and fault street lamp location, to ensure the safety, reliability and economical operation of the street lamp power system, and to realize the reduction of personnel in the daily and night street lamp inspection process.

In order to achieve the above object, the technical solution adopted by the utility model to solve its technical problems is: the street lamp fault detection system based on ZigBee technology includes a power supply module, a data acquisition module, a data processing module, a wireless communication module, and a host computer. The power module is powered by solar batteries; the data acquisition module includes photosensitive sensors, pressure sensors, and leakage detection circuits; the data processing module includes filtering, amplification, shaping circuits, and LM324 chips; the wireless communication module consists of CC2530 chips, A/D interfaces, and ZigBee terminals. It is composed of nodes and network coordinator; the host computer mainly receives data for processing and judgment.

The power supply module supplies power to the data acquisition module, data processing module and wireless communication module through the voltage conversion chips LM7809, LM7805 and LM1117_3.3 through the voltage of the solar battery, and supplies power to the upper computer to send data.

The data acquisition module adopts a photosensitive sensor TFA1001W, a pressure sensor and a leakage detection circuit, etc., to collect street lamp operation data in time.

The data processing module is composed of a shaping circuit, an operational amplifier LM324 and an RC filter circuit, and adjusts the data into reliable data.

The wireless communication module adopts the chip CC2530, further processes the signal output by the data processing module, and then transmits it to the host computer through the serial port.

After the host computer processes the received signal, it finally stores, displays and reminds the situation and location of the faulty solar street light.

The invention of the utility model is aimed at the situation that current street lamp inspectors make irregular inspections, resulting in high cost and waste of labor resources, etc., and proposes a fault detection system based on ZigBee solar street lamps, which can automatically detect the operation status of solar street lamps during operation, When there is a street lamp failure, the host computer will automatically remind the inspector to take corresponding effective and quick measures to ensure the economical and reliable operation of the street lamp. In order to detect various solar street lamp failures, this paper uses a variety of sensors to collect data, and then realizes the function of solar street lamp failure detection.

The street lamp fault detection system based on ZigBee technology uses the above detection system for monitoring, and the specific steps to realize the wireless monitoring of solar street lamp fault parameters are as follows:

(1) When the system is powered on, the solar battery is used as the power source, and the voltage is converted into 9V, 5V and 3.3V respectively through the voltage conversion chips LM7809, LM7805 and LM1117_3.3.

(2) The photosensitive sensor collects the operating parameters of the solar street light, and then enters the data processing module to preprocess the collected signal, and filters, amplifies and shapes the signal through the LM324 chip.

(3) After the preprocessed signal is further processed by the chip CC2530, the data is sent through the ZigBee terminal node in the wireless communication module, and the network coordinator at the other end is responsible for receiving the data.

(4) The network coordinator communicates with the upper computer through the RS-232 serial port, and transmits the received data to the upper computer.

(5) The upper computer stores, displays and reminds the data, and sends out an alarm when the collected solar street lamp parameters are abnormal.

The utility model has the following advantages: the design system has the characteristics of miniaturization, and is easy to be placed in the street light pole; at the same time, the design has the advantages of reliable system operation, accurate display, simple operation, and can improve the operation reliability of solar street lights; The invention system is low in cost and easy to use, which can reduce the number of trips of inspectors and reduce operating costs.

Description of drawings

Accompanying drawing 1 is the system structural block diagram of the present utility model;

detailed description

The specific structural features, implementation methods and effects of the utility model based on the ZigBee solar street lamp fault detection system will be further described below in conjunction with the accompanying drawings.

The overall design scheme is shown in Figure 1. The fault detection system based on ZigBee solar street lights includes a power module (1), a data acquisition module (2), a data processing module (3), a wireless communication module (4) and a host computer (5); The module (1) replaces the voltage of the 12V photovoltaic battery with 9V, 5V and 3.3V; the data acquisition module (2) is composed of a photosensitive sensor, a pressure sensor and a leakage detection circuit, and collects the light intensity of the solar street lamp to judge whether the street lamp is faulty. The data processing module (3) processes the brightness, pressure and electric leakage parameters with the LM324 chip and peripheral circuits, and performs amplification, filtering and shaping processing on the corresponding signals. Described wireless communication module (4) comprises CC2530 chip, A/D interface, ZigBee terminal node and network coordinator, further processing and data sending and receiving by CC2530 chip; Described data processing module (3) is connected to wireless communication module (4 ) in the A/D interface of the ZigBee terminal node; the network coordinator in the wireless communication module (4) is connected to the host computer (5) by the RS-232 serial port; the host computer (5) carries out data analysis to determine the fault Street lamp location and fault type to remind the inspector. The specific implementation process is: use the sensor and other measuring circuits to measure the illuminance data and power consumption, adjust the data through the data processing module, transmit it to the wireless transmission module, and judge and display it through the host computer to remind the inspector of the location of the faulty street lamp. It is of great significance to reduce the number of trips of inspectors and reduce the operating cost of street lights.

The above describes and shows the basic implementation and main features of the present utility model. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the implementation process of the utility model. Without departing from the spirit and scope of the utility model, the utility model The utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (2)

1. Based on the ZigBee solar street light fault detection system, it is composed of a power supply module, a data acquisition module, a data processing module, a wireless communication module and a host computer, and is characterized in that it includes: the power supply module provides stable power of 9V, 5V and 3.3V for the system Power supply; the data acquisition module is made up of photosensitive sensor, pressure sensor and leakage detection circuit; the data processing module is made up of filtering, amplification, shaping circuit and LM324 chip; the wireless communication module includes CC2530 chip, A/D interface, The ZigBee terminal node and the network coordinator are responsible for the further processing of signals and the sending and receiving of data; the network coordinator in the wireless communication module is connected to the host computer through the RS-232 serial port. 2. based on ZigBee solar street light failure detection system according to claim 1, it is characterized in that, described power supply module adopts voltage conversion chip LM7809, LM7805 and LM1117_3.3; Described data acquisition module adopts photosensitive sensor TFA1001W, pressure sensor and Leakage detection circuit; the signal processing circuit in the data processing module is made up of a filter amplifier circuit, an operational amplifier LM324 circuit and a shaping circuit; the wireless communication module adopts CC2530 to further process the signal output by the data processing module, and then pass through the serial port Transmission to the host computer; after the host computer processes the signal, it stores, displays and alarms the failure information of the solar street light.