The utility model relates to a measuring system of optical fiber liquid level, including constant type liquid level measuring device, optical fiber, optical cable and computer converter, decoding, decoding optical converter connected with the optical fiber, optical transmitter and receiver decoding converter connected with the computer through a cable, constant type liquid level measuring device comprises a roller, a constant force spring, optical encoder, a pulley, screw, wire rope, a floating ball and a counterweight, optical encoder and optical fiber connection, rolling wheel is connected with the constant spring, rolling wheel and screw in the axial direction parallel to rolling wheel gear meshing with the screw gear, screw gear and gear meshing screw parallel optical encoder, the pulley drives the slide block and mounted on the slider on the sort of wire rope and the height of the liquid through a roller, screw and optical encoder into light signals, and through optical decoding and calculation of converter After machine processing. The utility model has the advantages of natural explosion-proof, good safety, strong anti-interference ability, convenient installation and maintenance, no need of regular calibration and small error.
【技术实现步骤摘要】
【技术保护点】
一种光纤液位测量系统，包括光纤、安装于安全或弱干扰区域的光端机译码转换器、电缆和计算机，光端机译码转换器与光纤连接，光端机译码转换器通过电缆与计算机连接，其特征在于：还设置有恒力式液位测量装置，恒力式液位测量装置包括卷轮、恒力弹簧、光纤编码器、滑轮、螺杆、钢丝绳、浮球和配重块，光纤编码器与光纤连接，卷轮与恒力弹簧连接，卷轮与螺杆在轴向平行，卷轮齿轮与螺杆齿轮啮合，螺杆齿轮与光纤编码器齿轮平行啮合，螺杆通过带动滑块及安装在滑块上的滑轮对钢丝绳排序，浮球、配重块和钢丝绳的一部分置于液体罐中，钢丝绳的一端与浮球连接，浮球和配重块连接，钢丝绳的另一部分卷绕在滑轮上，恒力弹簧的弹力大小与浮球与配重块的重量相匹配。
【技术特征摘要】
【专利技术属性】
技术研发人员：章真，曹云娟，
申请(专利权)人：章真，曹云娟，
类型：实用新型
国别省市：86[中国|杭州]
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