Design Of The New Collector Test System Based On TCP/IP

This thesis focuses on thermal performance of solar collector testing system which locate in roofs under tough surroundings, thus a measurement and control system based on TCP/IP and Labview was developed. All kinds of thermal properties parameters can be accurately measured by communicating host-computer and console-computer to collect in long distance(about 100 meters) on the spot, simultaneously by upper computer controlling every test systems(including two solar collectors thermal performance test systems and an eight household water-heater test systems). This system is stable and reliable.This thesis demonstrates the current studying situation of the original system in long distance as well as tough situation and surveies on the test spot. The forms, implementation technology and methods of this test system based on TCP/IP for thermal properties of solar collectors are discussed in details.1. The solar collector performance testing system based on TCP/IP protocol is designed for meeting national standard requirements and testing field conditions, which including pipeline optimization design and electrical design of the test system.2. The multi-channel temperature measurement and control, flow measurement and control technology based on TCP/IP protocol are discussed. Implementation of the hardware, and the software and design of flow chart are showed.3. The improved design of remote solar-tracker system is discussed. The tracking mode and the software is improved. The performance indicators have reached the national standard.4. The upper and lower computer communication technology is made by using TCP/IP communication technology. Some sofeware based on Labview are programed to finish acquiring temperature, control sub-VI, and flow collection, and the instantaneous efficiency test as well as pressure test program for collector tests.