Monitoring system of coaxial cable length
A coaxial cable and monitoring system technology, applied in the direction of measuring devices, using electrical devices, using electromagnetic means, etc., can solve the problems of difficult physical length of coaxial cables, low measurement accuracy of coaxial cables, low production efficiency, etc., and achieve Good application prospects, accurate and reliable measurement, and the effect of improving production efficiency
Inactive Publication Date: 2012-08-01
江苏三通仪器系统有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the difficulty of testing the physical length of the coaxial cable in the prior art, and the measurement accuracy is not high, and the manual statistics required for the length of the coaxial cable in mass production, the problems of low production efficiency and high cost
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[0009] The present invention will be further described below in conjunction with the accompanying drawings.
[0010] like figure 1 As shown, the coaxial cable length monitoring system includes a microprocessor module, a display circuit and a button circuit, and the display circuit and the button circuit are respectively connected to the microprocessor module, and is characterized in that: it also includes a length / frequency conversion circuit, A wireless transmission module and a monitoring terminal, the input end of the length / frequency conversion circuit is connected to the coaxial cable to be monitored, the output end of the length / frequency conversion circuit is connected to the microprocessor module, and the wireless transmission module It is connected with the microprocessor module, and the microprocessor module is wirelessly connected with the monitoring terminal through the wireless transmission module, wherein the display circuit is used to display the measured physi...
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The invention discloses a monitoring system of coaxial cable length. The monitoring system comprises a microprocessor module, a display circuit, a key circuit, a length and frequency transformation circuit, a wireless transmission module, and a monitoring terminal, wherein an input end of the length and frequency transformation circuit is connected with the coaxial cable to be monitored, an output end of the length and frequency transformation circuit is connected with the microprocessor module, the wireless transmission module is connected with the microprocessor module, and the microprocessor module is connected with the monitoring terminal in a wireless mode through the wireless transmission module. The monitoring system of the coaxial cable length can transmit data to the monitoring terminal through the wireless transmission module so as to analyze the actual length of coaxial cables of the same batch and to work out the error rate of each coaxial cable, therefore the measurement is accurate and reliable, manual statistical errors can be avoided, the production efficiency is improved, and the production cost is reduced. The monitoring system of the coaxial cable length has good application prospect.
Description
technical field [0001] The invention relates to the technical field of electric power engineering monitoring, in particular to a coaxial cable length monitoring system. Background technique [0002] In actual work, it is often necessary to accurately measure the physical length, relative length, equivalent length, etc. of the coaxial cable. Because when directly measuring the length with a ruler, it is not suitable for direct measurement because the cable is inconvenient to straighten, resulting in inaccurate measurement or because the cable is very long. When electrical signals are used to measure cables, since electrical signals propagate on short cables, the elapsed time is extremely short, generally within 10 -9 s~10 -7 s range, so it is very difficult to achieve accurate measurement, and as the length accuracy of coaxial cables used in some fields such as missile technology is very high, in the mass production process, manufacturers need to count the same batch The d...
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IPC IPC(8): G01B7/02
Inventor 王昌明张华何建华黎杰吕宁
Owner 江苏三通仪器系统有限公司