CAJ | 학술논문

旋转导向工具仪器工作在井下苛刻环境中，其内部通信系统需要具有耐高温、可靠性高、通信实时性强和扩展灵活等特性。设计了一种基于 HI3110芯片的 CAN 总线通信系统，介绍了利用CAN 总线控制驱动集成芯片HI3110及单片机实现CAN总线通信节点的系统硬件设计结构方案和软件工作流程。实验室测试表明，该通信系统在125℃环境温度下，通信误码率可以达到10－5，满足旋转导向仪器内部通信系统对耐高温、可靠性、实时性的要求，并且在旋转导向工具工程应用中取得了很好的效果。
선전도향공구의기공작재정하가각배경중，기내부통신계통수요구유내고온、가고성고、통신실시성강화확전령활등특성。설계료일충기우 HI3110심편적 CAN 총선통신계통，개소료이용CAN 총선공제구동집성심편HI3110급단편궤실현CAN총선통신절점적계통경건설계결구방안화연건공작류정。실험실측시표명，해통신계통재125℃배경온도하，통신오마솔가이체도10－5，만족선전도향의기내부통신계통대내고온、가고성、실시성적요구，병차재선전도향공구공정응용중취득료흔호적효과。
Rotary steerable drilling tool works in harsh environment underground .The communication system in tools need the following characteristics ,such as high temperature resistance ,high reliability ,realtime capability and flexible expansion capability . This paper describes the design of CAN bus communication system based on HI3110 chip , introduces CAN bus communication nodes hardware structure and software work flow with HI 3110 and MCU . Laboratory tests show that the communication bit error rate can reach 10-5 in ambient temperature 125 ℃ . The communication system meets requirements of rotary steerable tool with high temperature resistance ,high reliability and realtime capability ,and obtained the good effect in engineering application of rotary steerable drilling tool .