中国电力 ›› 2016, Vol. 49 ›› Issue (5): 102-105.DOI: 10.11930/j.issn.1004-9649.2016.05.102.04

• 发电 • 上一篇    下一篇

电子皮带秤在线远程自动校验与诊断系统的研究

杨明花1,余松青2,陈慧云2,黄震威2,许峰3   

  1. 1.浙江浙能温州发电有限公司,浙江乐清325602;
    2.浙江省计量科学研究院,浙江杭州310018;
    3.上海蓝箭称重技术有限公司,上海 200126
  • 收稿日期:2016-02-22 出版日期:2016-05-16 发布日期:2016-05-16
  • 作者简介:杨明花(1965—),女,浙江乐清人,高级工程师,长期从事热工自动化技术研究应用及计量管理工作。E-mail: yangmhwz@163.com

Study on Electronic Belt Scale Online Remote Automatic Testing and Diagnosis System

YANG Minghua1, YU Songqing2, CHEN Huiyun2, HUANG Zhenwei2, XU Feng3   

  1. 1. Zhenjiang Zheneng Wenzhou Power Plant Co., Ltd., Yueqing 325602, China;
    2. Zhejiang Province Institute of Metrology,Hangzhou 310018, China;
    3. Shanghai Lanjian Weighing Technology Co., Ltd., Shanghai 200126, China
  • Received:2016-02-22 Online:2016-05-16 Published:2016-05-16
  • Supported by:
    This work is supported by National Natural Science Foundation of China (No. 51408568).

摘要: 目前电子皮带秤校验方法主要为实物校验和模拟载荷校验,但都不能消除皮带张力变化产生的误差,也无法“在线校验”。介绍了新型“电子皮带秤在线远程自动校验与诊断系统”的结构、原理及功能,其在校验过程中使用“双砝码”叠加,通过2个校验点以拟合称量的模拟线性,同时整圈双砝码累计叠加量可达到总累计量的50%而减小了校验误差;叠加量直接置于秤架上而排除了皮带机张力带来的影响;物料输送过程中的计量数据实时远传和皮带秤在线远程自动校验,大大减少了皮带秤校验和维护工作量。

关键词: 燃煤电厂, 电子皮带秤, 远程自动校验, 双砝码叠加法, 诊断

Abstract: Presently, the electronic belt scale testing is classified as material and simulation testing. However, these two methods can neither eliminate the errors caused by the belt tension changes nor conduct online testing. This paper introduces the structure, principle and functionalities of the electronic belt scale online remote automatic testing and diagnosis system. The system is based on double-weight superposition method, which adopts two testing points for the simulated linear fit of the belt scale, and simultaneously reduces the errors since the ratio of double weights to total load may reach as much as 50%. The overlaid weights which lay directly on the scale offset the effects brought about by the belt tension changes. The test data can be transmitted in real time during material conveying and the belt scale can also be checked both remotely and automatically, which significantly reduces the scale checking and maintenance workload.

Key words: coal-fired power plant, electronic belt scale, remote automatic check, double-weight superposition, diagnosis

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