针对非开挖定向钻进的特殊要求,描述了一种无线定向钻进姿态测量系统,对系统具体的结构以及姿态测量方法同时进行了详细说明.该系统采用三轴微加速度计和三轴磁阻传感器作为姿态敏感器件,实时获取定向钻进中钻具的方位角、倾角和面向角信息.该系统具有体积小、成本低、可靠性高等一系列优点,非常适合浅层地下定向钻进测量.%The special requirements of the trenchless directional drilling technique describes a wireless directional drilling attitude measuring system. The structure of the system and attitude measuring method were discussed in detail in the system. This system adopted 3-axis micro accelerometer and 3-axis magnetoresistive sensor as attitude sensing device in order to acquire the azimuth angle,pitch angle and roll angle of the drill in directional drilling in real-time. Furthermore,this system features small volume, low cost and high reliability,so it's suitable for shallow underground directional drilling measurement.
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