Pipeline sonic wave digital communicaton technology
A communication system and sound wave technology, which is applied in the field of pipeline sound wave digital communication technology, can solve problems such as signal disorder, sound wave amplitude enhancement, and available passband drift, and achieve the effects of low promotion cost, large information transmission capacity, and easy widespread promotion
Inactive Publication Date: 2008-06-18
苏州银河龙芯科技有限公司
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Problems solved by technology
However, the application in the pipeline should overcome the following problems: First, in the pipeline environment, the multi-directional resonance caused by the physical conditions of the sound transmission medium is particularly strong, and the echo formed by the transmission path is also particularly strong. This resonance and Echo, in some frequency bands, the amplitude of the sound waves will be enhanced due to the overlap of waveforms, which can be used to resist the channel attenuation of transmission, but in other frequency bands, the waveforms will be restrained by each other, resulting in signal disorder and difficult to analyze and restore
The pressure of the fluid medium in the pipeline changes with time and the influence of the aging of the pipe wall on the physical characteristics will also cause the available passband of the pipeline to drift
If there is no automatic mechanism to detect the frequency response characteristics of the pipeline at any time and change the transmitting and receiving frequency to adapt to the new situation, it is impossible to realize the pipeline acoustic digital communication with practical value
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[0039] Referring to FIG. 1 , in this embodiment, reference numeral 1 denotes a main delivery pipeline, and reference numeral 2 denotes a user pipeline. Wherein the pipeline acoustic wave digital communication system includes an information collection sub-station 3 arranged at the user end, an information collection and processing master station 4 for collecting and processing information from each of the information collection sub-stations 3, and connecting each of the information collection sub-stations 3 with the described The fluid medium delivery pipeline 5 serving as an information transmission channel between the information collection and processing master stations 4 . The information collection substation 3 includes a user meter 6 installed on the user pipeline 2, a processor 7 connected with the user meter 6 signal, and installed on the user pipeline 2 and connected to the processor 7 Distributed electroacoustic / acoustoelectric transducer 8 for signal connection. The...
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The invention relates to a pipeline sonic digital communication technique. The system of the invention includes information collecting substations arranged at the user end, an information collecting and processing host station of collecting and processing information from all the substations, and a fluid medium transport pipeline acting as an information transport channel and connecting all the substations with the host station, where it takes the wall of the pipeline as an information transport medium. It is specially applied to centralized measurement of use quantity of the fluid medium transported by various pipelines.
Description
technical field [0001] The invention relates to a pipeline acoustic wave digital communication technology. Specifically, the present invention proposes a system and method for information communication using pipelines for transmitting various fluid media. Background technique [0002] In modern production and life, many fluid media transported through pipelines need to be metered, and usage fees related to the metered amount must be paid. As we all know, the manual meter reading method for statistics and charging disturbs the family life of users, and makes it necessary for companies selling and supplying fluid media to employ a large number of meter reading workers to check and charge the meters door by door, which is very important for sales of fluid media. It is obviously uneconomical for the company. [0003] In order to solve the above problems, remote automatic metering and charging management systems for various metering instruments have been developed one after ano...
Claims
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IPC IPC(8): G08C23/00
Inventor 沈宇峰王瑞毅徐振峰
Owner 苏州银河龙芯科技有限公司