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基于空间占用率判定的智能电梯控制系统设计
2021年电子技术应用第7期
张安莉,谢 檬,石卓勇
西安交通大学城市学院,陕西 西安710018
摘要: 针对传统电梯控制系统存在的质量虽未达到电梯系统的阈值设定,但电梯内部空间被占满,导致依据质量指标判定,响应外部请求而使门控进行无效打开的问题,对电梯控制系统进行优化设计。系统釆用STM32单片机作为主控芯片,利用光敏传感器进行电梯空间占用率的感知。采用LabVIEW搭建上位机,对电梯运行数据实时监测。测试结果表明,该系统能够准确检测电梯空间占用率,并根据空间占用率进行电梯运行控制,解决了因无法判定电梯内部空间占有率而产生的门控无效打开问题,极大节约了电力资源,节省了乘客搭乘时间,提高了电梯的运行能效。
中圖分類(lèi)號(hào): TN98;TP23
文獻(xiàn)標(biāo)識(shí)碼: A
DOI:10.16157/j.issn.0258-7998.201037
中文引用格式: 張安莉,謝檬,石卓勇. 基于空間占用率判定的智能電梯控制系統(tǒng)設(shè)計(jì)[J].電子技術(shù)應(yīng)用,2021,47(7):57-60,129.
英文引用格式: Zhang Anli,Xie Meng,Shi Zhuoyong. Design of intelligent elevator control system based on space occupancy determination[J]. Application of Electronic Technique,2021,47(7):57-60,129.
Design of intelligent elevator control system based on space occupancy determination
Zhang Anli,Xie Meng,Shi Zhuoyong
Xi′an Jiaotong University City College,Xi′an 710018,China
Abstract: In view of the fact that the quality of the elevator system does not reach the threshold of the elevator system, but the internal space of the elevator is occupied, resulting in responding to external control and making the door control invalid open only according to the quality index. The elevator control system is optimizedand designed. The system uses STM32 microprocessor as the main control chip, and the optical sensor is designed by using photosensitive resistor to perceive the space occupancy of elevator,and the elevator space occupancy is sensed by using LabVIEW to build the upper computer to monitor the elevator operation data in real time. The test results show that the system can accurately detect the elevator space occupancy rate and control the elevator operation according to the space occupancy rate, which solves the problem of invalid opening of the door control caused by the inability to determine the space occupancy rate of the elevator.
Key words : electric lift control system;STM32;optical sensor;LabVIEW

0 引言

    電梯在當(dāng)代家居生活中承擔(dān)著人流和物流運(yùn)送的任務(wù)。自20世紀(jì)80年代以來(lái),隨著經(jīng)濟(jì)建設(shè)的快速發(fā)展,中國(guó)對(duì)電梯的需求量呈快速上升趨勢(shì),目前,中國(guó)已成為世界上最大的電梯市場(chǎng),電梯運(yùn)行能效指標(biāo)變得及其重要[1-6]。

    在實(shí)際的電梯系統(tǒng)運(yùn)行中,經(jīng)常遇到電梯內(nèi)部裝有的貨物已經(jīng)占滿電梯空間,但在外部請(qǐng)求控制下,若質(zhì)量未達(dá)到閾值,電梯還會(huì)開(kāi)門(mén)的情況。該現(xiàn)象使電梯的能效指標(biāo)下降,不利于節(jié)能[7]。本文針對(duì)這一問(wèn)題,對(duì)電梯控制系統(tǒng)進(jìn)行了優(yōu)化設(shè)計(jì)。系統(tǒng)下位機(jī)利用光敏傳感器模塊對(duì)電梯內(nèi)部占用空間進(jìn)行測(cè)量。通過(guò)單片機(jī)采集光傳感器模塊光線被遮擋后輸出的低電平個(gè)數(shù),計(jì)算空間占有率,當(dāng)達(dá)到電梯飽和的體積占有率閾值時(shí),電梯控制系統(tǒng)不再受到外界請(qǐng)求信號(hào)進(jìn)行開(kāi)門(mén)控制,解決了傳統(tǒng)電梯控制系統(tǒng)因無(wú)法判定電梯內(nèi)部空間被占滿而產(chǎn)生的門(mén)控?zé)o效打開(kāi)問(wèn)題。




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作者信息:

張安莉,謝  檬,石卓勇

(西安交通大學(xué)城市學(xué)院,陜西 西安710018)




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