CN104073971A - Cloth cover real-time monitoring system on knitting production line - Google Patents
Cloth cover real-time monitoring system on knitting production line Download PDFInfo
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- CN104073971A CN104073971A CN201410328460.7A CN201410328460A CN104073971A CN 104073971 A CN104073971 A CN 104073971A CN 201410328460 A CN201410328460 A CN 201410328460A CN 104073971 A CN104073971 A CN 104073971A
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Abstract
The invention discloses a cloth cover real-time monitoring system on a knitting production line. The system is mainly composed of a cloth defect detecting module, a Zigbee wireless communication network and upper computer software, wherein the cloth defect detecting module judges whether defects exist on cloth according to a voltage value fed back by an infrared probe, and if defects exist, circular knitting machines are controlled to stop, an alarm message is sent to a Zigbee node through serial communication, the Zigbee node gathers the defect information of all the circular knitting machines into a main Zigbee node, the main Zigbee node transmits the information to the upper computer software in real time, and the upper computer software can display the operation states and defect information of all the circular knitting machines in real time and generate a report for a manager to check. The system has the advantages of being advanced in technology, safe, reliable, convenient to use, flexible in use and the like and has certain practical value.
Description
Technical field
The present invention is knitting production line cloth cover real-time monitoring system, and technical field is automatically to control.
Background technology
In knitting fabric production process, cloth surface defect is the greatest factor that affects product quality, and common defect mainly contains dropped stitch and broken hole.Produce after defect, need to stop in time, in order to avoid defect point further expands, and looking up the fault point rapidly, change in time knitting needle, to resume production as early as possible.Complete after production, rely on manual cloth inspection to add up defect point, to evaluate grade.
Experienced operator of knitting fabric production line is responsible at most four round latitude machines at present, the artificial naked eyes of main dependence detect, this detection method seriously relies on workman's experience, qualification and other subjective factors, and the eye fatigue of bringing that works long hours will directly reduce operating efficiency.According to ASSOCIATE STATISTICS, even if the most experienced workman also can only find approximately 70% defect.Traditional detection mode defect point is found evening, and knitting machine does not stop in time, easily causes large area defect, thereby seriously reduces cloth grade, even becomes useless cloth.This not only causes the wasting of resources, and can affect the economic benefit of enterprise.
The present invention is applicable to the Real-Time Monitoring of knitting fabric production line, and for making up the deficiency of Traditional Man cloth defects detection means, it can detect broken hole and the two kinds of defects of dropped stitch that produce in knitted cloth production process automatically, and stopping alarm.System is usingd separate unit circle latitude machine as a back end, and each node is equipped with independently cloth defects detection module, sets up Zigbee communication network between module, for real-time Transmission defect record and production information.
Summary of the invention
Invention is mainly comprised of cloth defects detection module, Zigbee cordless communication network, upper computer software three parts.Cloth defects detection module judges whether to exist defect according to the voltage value of infrared probe feedback; if existed, will control the shutdown of circle latitude machine; by serial communication, send warning message to Zigbee node; Zigbee node is aggregated into Zigbee host node by the defect information of each circle latitude machine; host node passes to upper computer software in real time by information; upper computer software can show each circle latitude machine running status and defect information in real time, and can for administrative staff, consult by generating report forms.
3 major parts of the present invention are described below:
1, cloth defects detection module is comprised of infrared probe and control core.It is to process core that control core be take the high-performance 1T single-chip microcomputer that macrocrystalline company produces; infrared probe adopts patch-type infrared transmitting tube-receiving tube and accessory circuit thereof to form; vertical cloth cover is placed; this probe gathers photovoltage value to operational amplifier; after amplification, filtering, voltage signal is passed to single-chip microcomputer; single-chip microcomputer is by 10 AD collectors that carry; Real-time Collection voltage signal; and analyze broken hole and two kinds of defect information of dropped stitch; as find defect; to control immediately round latitude machine and shut down, send warning.Meanwhile, single-chip microcomputer sends defect information by serial ports to Zigbee node.
2, Zigbee cordless communication network is divided into host node and partial node, partial node is arranged to, on every round latitude machine, by serial ports, receive the information that single-chip microcomputer is sent, and host node is positioned in host computer, be responsible for collecting the information that all partial nodes are sent, and after gathering, send to upper computer software.
3, upper computer software is worked out with VB6.0, by serial ports, be connected with main Zigbee module, can receive the defect information that each partial node sends, and be stored in database according to numbering separately, database adopts SQL2000, staff can inquire about the defect information record of each circle latitude machine at any time, and prints as required relevant information.
The specific embodiment
In order to make technical scheme of the present invention and advantage clearer, introduce in detail the specific embodiment, it is next that the present invention is described in more detail.
The present embodiment is that to detect broken hole defect be example, with this, illustrates the implementation process of this technology.
(1) cloth defects detection module of the present invention is correctly mounted to specifications to one side circle latitude machine exact connect ion Zigbee module.
(2) after confirming to connect, to module, power on, it is broken hole that detecting pattern is set, and sensitivity is high sensitivity, presses operation button.
(3) after operation, first system can enter learning state, to grasp the integral status of cloth, for subsequent detection provides foundation.
(4) after having learnt, system enters detected state, the light that infrared probe is reflected back cloth cover is converted into voltage value, and feed back to single-chip microcomputer, single-chip microcomputer judges that whether this voltage value is normal, once find that broken hole appears in knitted cloth production line, voltage value will occur extremely, and single-chip microcomputer stops justifying the running of latitude machine and sending warning message to Zigbee module on this basis.
(5) warning message, after Zigbee network transmits, is transferred into upper computer software, and upper computer software to database, and generates relevant form by information recording.
Claims (4)
1. knitting production line real-time monitoring system, is characterized in that:
System applies advanced person's photoelectric detecting technology, digital circuit technique, radio network technique and database technology make knitted cloth production line possess the ability of real-time defects detection, effectively reduce defect rate, have improved product quality.
2. knitted cloth defect detecting system as claimed in claim 1, its technical characterictic is:
(1) adopt photoelectric detecting technology and operational amplification circuit to catch the infrared ray that knitted cloth cloth cover is reflected back, after opto-electronic conversion, generate cloth surface information.
3.(2) with High Performance SCM in conjunction with high-speed AD sampler Real-time Collection voltage, and identify the feature of knitted cloth broken hole and two kinds of defects of dropped stitch with this.
4.(3) by Zigbee module and database technology constructing local network transmission warning message real time record in upper computer software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328460.7A CN104073971A (en) | 2014-07-11 | 2014-07-11 | Cloth cover real-time monitoring system on knitting production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328460.7A CN104073971A (en) | 2014-07-11 | 2014-07-11 | Cloth cover real-time monitoring system on knitting production line |
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| Publication Number | Publication Date |
|---|---|
| CN104073971A true CN104073971A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410328460.7A Pending CN104073971A (en) | 2014-07-11 | 2014-07-11 | Cloth cover real-time monitoring system on knitting production line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947297A (en) * | 2015-06-25 | 2015-09-30 | 湖州杰盛高科纺织有限公司 | Method for lowering defective rate of woven fabric and loom |
| CN106637655A (en) * | 2017-02-17 | 2017-05-10 | 江苏工程职业技术学院 | Missed stitch detecting system of circular knitting machine and detecting method |
| CN107283091A (en) * | 2017-06-28 | 2017-10-24 | 太仓迪米克斯节能服务有限公司 | A kind of automatic detection production and transport line |
| CN107300559A (en) * | 2017-08-25 | 2017-10-27 | 山东众鑫电子材料有限公司 | A kind of Kapton defect detection system and method |
-
2014
- 2014-07-11 CN CN201410328460.7A patent/CN104073971A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947297A (en) * | 2015-06-25 | 2015-09-30 | 湖州杰盛高科纺织有限公司 | Method for lowering defective rate of woven fabric and loom |
| CN104947297B (en) * | 2015-06-25 | 2016-04-27 | 湖州杰盛高科纺织有限公司 | A kind of reduction is weaved cotton cloth the method for defect rate and loom |
| CN106637655A (en) * | 2017-02-17 | 2017-05-10 | 江苏工程职业技术学院 | Missed stitch detecting system of circular knitting machine and detecting method |
| CN107283091A (en) * | 2017-06-28 | 2017-10-24 | 太仓迪米克斯节能服务有限公司 | A kind of automatic detection production and transport line |
| CN107300559A (en) * | 2017-08-25 | 2017-10-27 | 山东众鑫电子材料有限公司 | A kind of Kapton defect detection system and method |
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Application publication date: 20141001 |
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| WD01 | Invention patent application deemed withdrawn after publication |