【摘要】：作為現(xiàn)代建筑必不可少的乘載工具,電梯已經(jīng)成為和居民日常生活關(guān)系非常密切的一種運(yùn)輸工具,采用計(jì)算機(jī)對(duì)電梯的運(yùn)行狀態(tài)進(jìn)行實(shí)時(shí)監(jiān)測(cè),及時(shí)發(fā)現(xiàn)和排除故障、加強(qiáng)電梯的實(shí)時(shí)管理、保證電梯的安全運(yùn)行非常重要。電梯狀態(tài)信息無(wú)線監(jiān)測(cè)系統(tǒng)已成為近年來(lái)國(guó)內(nèi)外電梯新技術(shù)研究的熱點(diǎn)之一。本文以電梯狀態(tài)信息無(wú)線監(jiān)測(cè)為目標(biāo),在深入研究現(xiàn)有方法和技術(shù)的基礎(chǔ)上,研制開(kāi)發(fā)了電梯狀態(tài)信息采集終端,搭建了基zigbee的數(shù)據(jù)傳輸網(wǎng)絡(luò),編制了數(shù)據(jù)監(jiān)測(cè)中心位機(jī)軟件,完成了基于ZigBee的電梯狀態(tài)信息無(wú)線監(jiān)測(cè)系統(tǒng)。主要工作如下： 首先,論文詳細(xì)討論了電梯狀態(tài)信息采集的采集方法,研究了包括電梯溫度、濕度,噪聲,加速度,振動(dòng),電梯位置,曳引機(jī)電流、電壓等的檢測(cè)方法,并介紹了一系列智能傳感器的原理及應(yīng)用。利用改良的微加工高精度電容式三軸加速度傳感器,減小傳感器的阻尼因子,提高了傳感器的分辨率。同時(shí),在數(shù)據(jù)處理環(huán)節(jié),利用過(guò)采樣技術(shù)進(jìn)一步提高加速度檢測(cè)分辨率。在電梯振動(dòng)檢測(cè)中,利用小波閥值降噪技術(shù),提高了檢測(cè)精確度。其次,在對(duì)電梯的性能結(jié)構(gòu)進(jìn)行分析后,確定了狀態(tài)信息采集終端由電梯轎廂、機(jī)房、曳引機(jī)三個(gè)電梯狀態(tài)信息采集模塊組成,負(fù)責(zé)實(shí)時(shí)采集各電梯的狀態(tài)信息。每個(gè)終端采集模塊均以Cortex-M3智能處理器為核心,結(jié)合多種傳感器為模塊輸入電梯實(shí)時(shí)狀態(tài)信息。每個(gè)模塊均搭載DGUS高清LCD觸摸顯示屏,并開(kāi)發(fā)了方便易操作的人機(jī)交互界面,可實(shí)時(shí)動(dòng)態(tài)顯示電梯溫度、濕度,噪聲,加速度,振動(dòng),電梯位置,曳引機(jī)電流、電壓等狀態(tài)信息。每個(gè)終端模塊連接zigbee無(wú)線發(fā)射節(jié)點(diǎn),采用zigbee無(wú)線通信技術(shù),搭建基于zigbee的數(shù)據(jù)傳輸網(wǎng)絡(luò),與無(wú)線網(wǎng)關(guān)進(jìn)行通信。 最后,運(yùn)用VisualC#工具設(shè)計(jì)開(kāi)發(fā)了數(shù)據(jù)監(jiān)測(cè)中心的數(shù)據(jù)處理軟件。數(shù)據(jù)中心通過(guò)無(wú)線網(wǎng)關(guān)從zigbee無(wú)線網(wǎng)絡(luò)接收電梯狀態(tài)信息數(shù)據(jù),并通過(guò)數(shù)據(jù)處理軟件進(jìn)行信息存儲(chǔ),以供進(jìn)一步的數(shù)據(jù)分析。 通過(guò)多次對(duì)該系統(tǒng)進(jìn)行現(xiàn)場(chǎng)測(cè)試,系統(tǒng)各項(xiàng)功能得到了全面檢驗(yàn),較好的達(dá)到了設(shè)計(jì)要求。
[Abstract]:As an indispensable loading tool in modern architecture, elevator has become a transportation tool closely related to the daily life of residents. The elevator is monitored in real time by computer to detect and troubleshoot in time. It is very important to strengthen the real-time management of elevators and ensure the safe operation of elevators. In recent years, the wireless monitoring system of elevator status information has become one of the hot spots in the research of new elevator technology at home and abroad. Aiming at wireless monitoring of elevator status information, based on the in-depth study of existing methods and techniques, this paper develops the elevator status information collection terminal, builds the data transmission network based on zigbee, and compiles the software of the data monitoring center bit machine. The wireless monitoring system of elevator status information based on ZigBee is completed. The main work is as follows: firstly, the method of collecting elevator state information is discussed in detail, and the detection methods including elevator temperature, humidity, noise, acceleration, vibration, elevator position, traction current, voltage and so on are studied. The principle and application of a series of intelligent sensors are introduced. The improved capacitive triaxial acceleration sensor with high precision is used to reduce the damping factor of the sensor and improve the resolution of the sensor. At the same time, in data processing, oversampling technology is used to further improve the resolution of acceleration detection. In the elevator vibration detection, wavelet threshold noise reduction technology is used to improve the detection accuracy. Secondly, after analyzing the performance structure of the elevator, it is determined that the state information collection terminal is composed of three elevator status information acquisition modules: elevator car, machine room and traction machine, which is responsible for collecting the state information of each elevator in real time. Each terminal acquisition module takes the Cortex-M3 intelligent processor as the core and combines various sensors as the module to input the elevator real-time status information. Each module is equipped with DGUS high-definition LCD touch screen, and a man-machine interactive interface is developed, which can display the elevator temperature, humidity, noise, acceleration, vibration, elevator position, tracer current in real time and dynamically. Voltage and other status information. Each terminal module is connected to the zigbee wireless transmitting node and uses the zigbee wireless communication technology to build the data transmission network based on zigbee and communicate with the wireless gateway. Finally, the data processing software of data monitoring center is designed and developed by using VisualC# tool. The data center receives elevator state information data from zigbee wireless network through wireless gateway and stores information through data processing software for further data analysis. Through the field test of the system many times, the functions of the system have been fully tested, and the design requirements have been better achieved.
【學(xué)位授予單位】：東華大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類(lèi)號(hào)】：TU857

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