Buried long distance pipeline cathode protection device based on STM32 single-chip microcomputer

A long-distance pipeline and cathodic protection technology is applied in the field of cathodic protection devices for buried long-distance pipelines, which can solve the problems of large volume, high price and complex structure, and achieve the effects of small volume, low cost and high acquisition accuracy.

Inactive Publication Date: 2019-02-12
XI'AN PETROLEUM UNIVERSITY
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  • Abstract
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Problems solved by technology

Complex structure, bulky and expensive

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  • Buried long distance pipeline cathode protection device based on STM32 single-chip microcomputer
  • Buried long distance pipeline cathode protection device based on STM32 single-chip microcomputer
  • Buried long distance pipeline cathode protection device based on STM32 single-chip microcomputer

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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the present invention, not to limit the invention.

[0044] Such as figure 1 , Figure 5 As shown, this embodiment provides a cathodic protection device for buried long-distance pipelines based on STM32 single-chip microcomputers. An anode bed 101 and a reference electrode 102 are laid in the soil next to the buried long-distance pipeline 10. On the buried long-distance pipeline 10 A cathode connection point 104 and a zero point connection point 105 are provided. In actual engineering, the cathode connection point 104 is welded with the pipeline by thermite welding, and the solder joints are protected with repair sheets. The zero point connected to the negative point 105 is also therm...

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Abstract

The invention discloses a buried long distance pipeline cathode protection device based on an STM32 single-chip microcomputer. The device is characterized in that an anode ground bed and a reference electrode are laid in the soil beside a buried long distance pipeline, and a cathode wiring point is arranged on the buried long distance pipeline; the device comprises an upper computer, a main control module, an AD data acquisition module, a DA control module, a communication module, a storage module, an RTC module, a human-computer interaction module, a power module and a temperature sensor. Compared with the prior art, the main control module acquires output voltage, output current and reference potential through the AD data acquisition module, the temperature of the pipeline is collected by the temperature sensor, the output voltage of the power module is automatically adjusted through the DA control module, and the corrosion rate of the buried pipeline is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of cathodic protection devices for buried pipelines, in particular to a cathodic protection device for buried long-distance pipelines based on an STM32 single-chip microcomputer. Background technique [0002] The corrosion problem of buried long-distance pipelines is becoming more and more serious, which brings great challenges to corrosion control work. The reference potential is an important basis for judging the anticorrosion protection of buried long-distance pipelines. The output voltage, output current, reference potential of the pipeline to ground, and pipeline temperature are collected through the cathodic protection device. According to the collected and recorded data, the protected condition of the pipeline can be effectively analyzed. [0003] At present, the adjustment of the cathodic protection potential in the prior art needs to manually turn the hand wheel of the voltage regulator to change ...

Claims

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Application Information

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IPC IPC(8): C23F13/06C23F13/04
CPCC23F13/04C23F13/06C23F2213/32
Inventor 崔震李琳
Owner XI'AN PETROLEUM UNIVERSITY
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