Other

Tsinghua University

Zandong Han

Xin Wang

Li Wang

Xiaxi Li

Jiabao Zhang

Qingyu Wang

Linlin Xing

Fan Yang

Yao Liu

Xiaoyang Li

Peng Shen

Rui Wu

Haiquan Zhang

Dong Du

Jiluan Pan

Haipeng Zhou

Ruili Ma

Qiang Jin

Wenqing Tian

Shengguo Li

Na Ni

Shunli Gao

Wenzeng Zhang

Yirong Zou

Ayada He

Hongbing Liu

The present disclosure relates to a wireless communication system and communication method for a cableless detection robot for a gas pipeline. The wireless communication system includes an antenna assembly, a repeater assembly and a repeater retracting device, wherein the antenna assembly is fixed to the gas pipeline and extends into the interior of the gas pipeline, the repeater assembly is provided with at least one set, and the repeater retracting device is connected to the robot and used for retracting the repeater assembly along the gas pipeline, the antenna assembly, the repeater assembly and the robot are connected through a wireless signal having a wavelength less than 3.41r, wherein r represents the radius of the gas pipeline. The wireless communication system has the advantages of simple structure, low cost, convenient use, safety and reliability, and solves the problem that the automatic force cableless detection robot cannot perform a long-distance internal detection operation due to shielding wireless signals by the pipeline. The communication method has the advantages of easy implementation, convenient control and reliable communication.

Wireless communication system and communication method for cableless detection robot for gas pipeline

The present disclosure relates to a charging system and a charging method for an automatic force detection robot for a gas pipeline. The charging system includes a primary charging unit disposed outside the gas pipeline and a secondary charging unit disposed in the gas pipeline, wherein the primary charging unit includes a primary magnetic core and a primary coil wound on the primary magnetic core, the secondary charging unit includes a secondary magnetic core and a secondary coil wound on the secondary magnetic core, the primary magnetic core and the secondary magnetic core form a closed magnetic field line, the primary coil is connected to a power supply, and the secondary coil is connected to a battery of the robot. The charging system has the advantages of simple structure, low cost, convenient use, strong anti-interference capability and high charging efficiency, solves the problem that the cableless automatic force detection robot needs to overcome the shielding of the pipeline wall when charging, and improves the capability of the cableless automatic force detection robot when carrying out a long-distance detection in the pipeline. The charging method has the advantages of easy implementation, convenient operation, safety and reliability, and high charging efficiency.

Charging system and charging method for automatic force detection robot for gas pipeline

A fuel ball detecting method and system with a self-diagnosis function are provided. The method includes: exciting a first detecting coil and a second detecting coil of a fuel ball sensor disposed outside a pipeline; obtaining a first voltage signal Ufrom the first detecting coil and a second voltage signal Ufrom the second detecting coil; processing Uand Uby differential amplification, band pass filtering, phase sensitive detection and low pass filtering by a signal processor to obtain a fuel ball waveform signal U; determining whether the fuel ball passes the pipeline according to Uby a single chip microcomputer; determining whether the first and the second detecting coils, the signal processor and the single chip microcomputer work normally; outputting a result showing whether the fuel ball passes the pipeline, when the first and the second detecting coils, the signal processor and the single chip microcomputer work normally.

Fuel ball detecting method and system with self-diagnosis function

Growing community of inventors

Beijing, China

Zandong Han