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Chocks Temperature Control is a very important issue in roll life. High temperatures in the chocks can damage the bearings and even start a fire in the mill. Traditional wired systems don't offer satisfactory results, in practical use. Using Zigbee (802.15.4) wireless technology, due to its very low power consumption, temperature sensors (up to 125oC) suitable for a tandem cold mill environment have...
Basing on the radio-frequency chip AT86RF212, the paper designed a wireless Data collection system. According to the performances and characters of chip AT86RF212, It adopted the company ATMEL's ZigBee protocol stack Bitcloud to carry through software development. Meanwhile, using the serial interface communication technologies, it realized data processing and displaying by Labview technologies. With...
Wireless sensor network technology emerged in recent years with numerous potential applications. The building environment and energy monitoring (BEEM) is among the most important ones. The design of such smart wireless sensing system is presented in this paper. The proposed system consists of low power Tyndall wireless sensor node hardware with light energy harvesting featured power supply and energy...
For the sake of overcoming the shortcoming of the wired system such as complex wiring and low anti-interference capacity, a wireless measurement and control system for greenhouse is developed based on Zigbee, which is composed of upper monitor control PC, wireless gateway CC2430, sensor node CC2430 and sensor module. The star network topology is adopted on the basis of studying the characteristic...
An on-line monitoring system of contact temperature inside HV switchgear cabinet based on Zigbee has been studied and developed, which consists of the power monitoring center, the temperature monitoring unit and the temperature display unit. The contact temperature of switchgear is measured by DS18B20 of the temperature monitoring center which is designed based on CC2430, which is timely sent to the...
Zigbee is a kind of short distance wireless communications technology. The article discussed the technical characteristics, network topology structures and application prospects of ZigBee. And then a scheme on wireless temperature monitoring system based on ZigBee was proposed. The system adopted Star topology structure CC2430 chip of Chipcon Company and 18B20 temperature sensor of MAXIM Company....
We present a study on the development and testing of a wireless electronic nose network (WENn) for monitoring real-time gas mixture, NH3 and H2S, main malodors in various environments. The proposed WENn is based on an embedded PC, an electronic olfactory system and wireless sensor network (WSN) technology and neuro-fuzzy network algorithms. The WENn used in this work takes advantage of recent advances...
A kind of transmission line temperature on-line monitoring system based on ZigBee is presented in this paper. The principles, standards and application advantage of ZigBee wireless communications technology are discussed. The design of hardware and software are discussed detailedly. The monitoring system works steadily, its size is small, cost is low, and the power consumption is very low. This system...
A cost effective ZigBee-based wireless mine supervising system is presented in this article. This scheme used intelligent helmets as voice terminal and ultra-low-power nodes of wireless sensor network.The programme adopted ZigBee wireless technology to build wireless sensor networks, realized real-time surveillance with early-warning intelligence on methane, temperature, humidity in mining area, and...
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