Two thermocouples low power wireless sensors network |
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| Affiliation: | 1. Department of Electronics Engineering, Kaunas University of Technology, Studentu St. 50–438, LT-51368 Kaunas, Lithuania;2. Department of Electrical, Electronic and Computer Engineering, University of Pretoria, Pretoria, South Africa;3. Department of Electrical Engineering, Bialystok University of Technology, Wiejska 45D St., 15-351 Bialystok, Poland;1. Development Headquarters, ESPEC Corp., Kita-ku, Kobe 651-1514, Japan;2. National Metrology Institute of Japan (NMIJ), AIST, Tsukuba Central 3, Tsukuba 305-8563, Japan;1. CNRS, GIPSA-lab, Control Department, 11 rue des Mathmatiques, 38000 Grenoble, France;2. Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA;1. School of Electronic Engineering, Xi’an University of Posts & Telecommunications, Xi’an 710100, Shaanxi, China;2. Department of Electronics Engineering, University of Engineering and Technology (UET), Taxila 47050, Pakistan;3. Micro-/Nano Electronic System Integration R&D Center (MESIC), University of Science and Technology of China, Hefei 230027, Anhui, China;1. College of Physics and Electronics, Hunan Institute of Science and Technology, Yueyang 414006, China;2. School of Information and Communication Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China;3. College of Mechanical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China;4. College of Electronic Engineering, Guangxi Normal University, Guilin 541004, China;5. Office of Science and Technology Development, Peking University, Beijing 100871, China;6. Energy Research Institute, State Grid Corporation of China, Beijing 100761, China |
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| Abstract: | This paper presents technologies and experiments of a wireless sensors using two thermocouples network. It was established that the energy consumption during sensor measurements is usually up to 10 times lower compared to the energy consumption at the time of establishing wireless connection for most protocols. For this reason, new simplified wireless connection protocol was created.Extremely low energy wireless sensor hardware and software equipment was designed. The newly created universal measurement module allows the use not only thermocouples, but also various types of analogue sensors, thermocouples, pressure bridges, Resistance Temperature Detectors (RTD) and digital sensors communicating through SPI or I2C interface. The newly designed specific power supply scheme allows to supply the sensor and radio module with the voltage from 1.2 V to 3.6 V batteries. When conducting periodic measurements every second, the use of newly designed hardware and software equipment enables the wireless sensor to be operated for up to 3 years from two 1200 mAh capacity batteries. |
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| Keywords: | Thermocouples Temperature Measurement Sensor Wireless WSN Network |
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