Pressure wave modulator, data transmission system, control method and coding method
A technology of pressure wave and modulator, applied in the field of pressure wave modulator, can solve the problems that the rotary valve structure is easily blocked, cannot generate amplitude modulation wave, and the risk of valve port blocking is high, so as to prolong the trouble-free working time and improve the data quality. The transmission rate and anti-interference ability, the effect of the technical effect is remarkable
Active Publication Date: 2019-08-16
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology
[0017] In the prior art, there are problems of slow data transmission rate, high bit error rate, high risk of valve port jamming and inability to generate amplitude modulation waves. A pressure wave modulator, data transmission system, control method, and coding method for long-distance pipelines, avoiding the problem that the rotary valve structure is easily blocked and causes data transmission interruption
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[0065] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings. The invention provides a design method of a pressure wave modulator, in particular a design method of a pressure wave modulator with longitudinally movable stator and an active anti-disturbance control system. The pressure wave modulator 4 can solve the problem of valve port jamming, can generate a pressure wave amplitude modulation signal, and has a stable and reliable control system.
[0066] In the present invention, for ease of description, the relative positional relationship of each component is described according to the layout of the drawings in the specification, such as the upper and lower positional relationships are determined according to the layout of the components in the drawings of the specification.
[0067] The invention provides a fluid pressure wave modulation data transmission system, such as figure 1 As shown, it includes...
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The invention discloses a pressure wave generator, a data transmission system, a control method and an encoding method, and belongs to the technical field of industrial field communication. The pressure wave generator comprises a shell assembly, a rotor assembly and a stator assembly, the rotor assembly and the stator assembly are installed in the shell assembly, the shell assembly comprises a suspension guide cylinder and a compression-resistant sealing cylinder, and the stator assembly comprises a motor bin, a stator motor, a coupler, a lead screw and a stator. The motor bin is installed inthe suspension guide cylinder, the stator motor is connected with the upper end of the lead screw through the coupler, and the stator is connected with the lead screw and is driven by the stator motorto move up and down. The data transmission system comprises a pipeline, a downstream container installed on the downstream portion of the pipeline, an upstream container installed on the upstream portion of the pipeline, a monitoring instrument installed on the pipeline, a pressure wave modulator and a signal detecting and decoding device. The plugging removal device has the plugging removal capability, the fault-free working time is effectively prolonged, and the production efficiency under severe working conditions is improved.
Description
technical field [0001] The invention relates to the technical field of industrial field communication, in particular to a pressure wave modulator, a data transmission system, a control method and an encoding method. Background technique [0002] In the field of industrial technology, there is often a need for data transmission along the pipeline, such as the detection and control of fluid transmission pipelines, measurement while drilling in the field of oil and gas drilling, and monitoring of layered water injection wells in oil and gas production. With the advancement of technology, on-line monitoring instruments have been continuously improved, and the requirements for real-time data transmission capabilities have continued to increase. [0003] Currently, there are two types of data transmission methods along the pipeline: wired and wireless. Wired methods include traditional cable transmission, intelligent pipeline transmission, and optical fiber transmission. The cha...
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IPC IPC(8): H04L27/32H04L27/36H04L1/00G01L11/00
CPCH04L27/32H04L27/36H04L1/0014H04L1/0009G01L11/00
Inventor 耿艳峰贾梦之岳耀斌李海瑜杨毅森王永信
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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