【摘要】：在目前的紡織業(yè)中,環(huán)錠細(xì)紗機(jī)生產(chǎn)的紗線仍占主導(dǎo)地位。在細(xì)紗機(jī)工作過程中由于現(xiàn)場環(huán)境復(fù)雜,容易發(fā)生斷線。細(xì)紗斷線如不及時處理將嚴(yán)重影響紗線生產(chǎn)的產(chǎn)量及品質(zhì)。由于國外紗線斷線監(jiān)測產(chǎn)品價格高,目前國內(nèi)大部分紡紗企業(yè)仍舊采用人工方式來檢查斷線,處理不及時、不準(zhǔn)確,影響了企業(yè)經(jīng)濟(jì)效益和市場競爭力。針對上述問題,本文設(shè)計并實現(xiàn)了一種成本合理、可替代人工檢查的環(huán)錠細(xì)紗機(jī)斷線監(jiān)測系統(tǒng)。系統(tǒng)主要包括三部分:前端信號采集處理子系統(tǒng)、集中器子系統(tǒng)、PC端監(jiān)控子系統(tǒng)。在前端信號采集處理子系統(tǒng)中,首先,本文設(shè)計了一種基于電磁感應(yīng)原理的雙線圈差分式傳感器以及相應(yīng)的信號處理電路,并將它們封裝成檢測裝置,利用國產(chǎn)ZJ1268型號細(xì)紗機(jī)硬件平臺檢驗了其信號檢測處理效果,得到了較好結(jié)果,檢測裝置實現(xiàn)了對錠子上鋼絲圈轉(zhuǎn)速信息的采集處理;然后,本文設(shè)計了基于單片機(jī)的信號分析處理器,同時對6路鋼絲圈轉(zhuǎn)速信息進(jìn)行分析處理,實現(xiàn)了對斷線和速度異常情況的判斷及報警;最后,本文設(shè)計了CAN通信硬件電路,并通過制定CAN通信協(xié)議,以及對程序的編碼,實現(xiàn)了前端信號采集處理子系統(tǒng)與集中器子系統(tǒng)間的實時通信。在集中器子系統(tǒng)中,首先,根據(jù)集中器的功能,本文設(shè)計了其硬件電路;然后,本文通過制定以太網(wǎng)通信協(xié)議,以及對各功能程序的編碼,實現(xiàn)了集中器作為網(wǎng)關(guān)對上下子系統(tǒng)間的協(xié)議轉(zhuǎn)換功能,并對斷線異常情況按機(jī)臺報警,以及在以太網(wǎng)通信線路異常時臨時存儲監(jiān)測數(shù)據(jù)。在PC端監(jiān)控子系統(tǒng)中,本文根據(jù)系統(tǒng)功能,分別完成了對數(shù)據(jù)庫的設(shè)計,監(jiān)控軟件與集中器間通信程序的設(shè)計,監(jiān)控界面的設(shè)計以及相應(yīng)功能程序的編碼。為驗證整個系統(tǒng)的功能及性能,本文搭建了系統(tǒng)調(diào)試平臺,利用檢測裝置在細(xì)紗機(jī)平臺上采集到的數(shù)據(jù),完成了對整個系統(tǒng)的調(diào)試,得到了較好的實驗結(jié)果。系統(tǒng)實現(xiàn)了對錠子紡紗狀態(tài)的實時監(jiān)測,并統(tǒng)計了實時生產(chǎn)信息。該系統(tǒng)與傳統(tǒng)的人工方式相比,能夠及時準(zhǔn)確的發(fā)現(xiàn)環(huán)錠細(xì)紗機(jī)工作中的斷線等異常,成本合理。系統(tǒng)通過對錠子異常情況和生產(chǎn)信息的統(tǒng)計,實現(xiàn)了對錠子精細(xì)化的管理。系統(tǒng)具有可靠性、可擴(kuò)展性,為早日研發(fā)出能廣泛適用于國內(nèi)紡紗企業(yè)的斷線監(jiān)測系統(tǒng)提供基礎(chǔ)應(yīng)用性參考。
[Abstract]:In the current textile industry, ring spinning frame still plays a dominant role in the production of yarns. In the spinning frame working process because of the complex field environment, easy to break the wire. If the yarn break is not dealt with in time, the production and quality of yarn will be seriously affected. Due to the high price of yarn breaking monitoring products in foreign countries, most domestic spinning enterprises still use manual method to check broken yarn at present. The processing is not timely and accurate, which affects the economic benefit and market competitiveness of enterprises. In order to solve the above problems, this paper designs and implements a monitoring system for broken line of ring spinning frame, which is reasonable in cost and can replace manual inspection. The system mainly includes three parts: front-end signal acquisition and processing subsystem, concentrator subsystem, PC monitoring subsystem. In the front-end signal acquisition and processing subsystem, first of all, this paper designs a dual-coil differential sensor based on electromagnetic induction principle and corresponding signal processing circuit, and encapsulates them into detection devices. Using the hardware platform of domestic ZJ1268 spinning frame, the effect of signal detection and processing is tested, and the better result is obtained. The measuring device realizes the collection and processing of the speed information of the steel wire ring on the spindle. Then, the signal analysis processor based on single-chip microcomputer is designed. At the same time, the speed information of 6 wire rings is analyzed and processed, and the judgment and alarm of broken line and abnormal speed are realized. Finally, the CAN communication hardware circuit is designed in this paper, and the real-time communication between the front-end signal acquisition and processing subsystem and the concentrator subsystem is realized by making the CAN communication protocol and coding the program. In the concentrator subsystem, firstly, according to the function of concentrator, the hardware circuit is designed in this paper. Then, through the establishment of Ethernet communication protocol and the coding of each function program, this paper realizes the protocol conversion function of the concentrator as gateway to the above sub-systems, and alarms the abnormal situation of the broken line according to the machine station. And temporarily store monitoring data when Ethernet communication lines are abnormal. In the PC monitoring subsystem, according to the system function, the design of the database, the communication program between the monitor software and the concentrator, the design of the monitor interface and the coding of the corresponding function program are completed respectively. In order to verify the function and performance of the whole system, the system debugging platform is set up in this paper. By using the data collected on the spinning frame platform, the debugging of the whole system is completed and good experimental results are obtained. The system realizes the real-time monitoring of spindle spinning status, and statistics the real-time production information. Compared with the traditional manual method, the system can find the abnormal broken line in the ring spinning frame in time and accurately, and the cost is reasonable. The system realizes the fine management of spindles by counting the abnormal situation and production information of spindles. The system has the reliability and expansibility, which provides the basic application reference for the early development of the broken line monitoring system which can be widely used in domestic spinning enterprises.
【學(xué)位授予單位】：杭州電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TS103.23

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本文編號：2436953