CN103955162A - Fabric strength detection controller, system and method - Google Patents

Fabric strength detection controller, system and method Download PDF

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Publication number
CN103955162A
CN103955162A CN201410174703.6A CN201410174703A CN103955162A CN 103955162 A CN103955162 A CN 103955162A CN 201410174703 A CN201410174703 A CN 201410174703A CN 103955162 A CN103955162 A CN 103955162A
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China
Prior art keywords
fabric
controller
stepper motor
strength
detected
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Application number
CN201410174703.6A
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CN103955162B (en
Inventor
王萌
王法军
沙钰杰
孙韶媛
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Donghua University
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Donghua University
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Abstract

The invention relates to a fabric strength detection controller. The fabric strength detection controller is characterized by comprising a PLC, an AD conversion module and an RS485 communication module. A stepping motor is controlled by the PLC through a stepping motor control unit, a transmission screw barrel driven by a screw rod to move up and down is arranged on the screw rod, a lower screw clamping device is fixed to the transmission screw barrel, an upper fixing frame is arranged on the top of the screw rod, a weighing sensor is fixed to the upper fixing frame, an upper screw clamping device is fixed to the weighing sensor, the PLC is connected with a weighing transmitter through the AD conversion module, and the weighing transmitter is connected with the weighing sensor. According to another technical scheme, the invention further provides a fabric strength detection system. According to another technical scheme, the invention further provides a fabric strength detection method of the fabric strength detection controller. The fabric strength detection controller is high in universality, detection accuracy and detection speed. Multiple controllers can be in data link with an upper computer, and the functions of automatically storing, fast retrieving and analyzing detection data can be achieved.

Description

A kind of fabric strength detects controller, system and detection method
Technical field
The present invention relates to a kind of fabric strength and detect controller, the detection system being formed by this detection controller and the method that adopts this fabric strength detection controller to detect fabric strength.
Background technology
China is weaving big country, the brute force of fabric detects and has a wide range of applications in various fields such as building materials, chemical industry, electricians, pure the spinning or the physical indexs such as ultimate strength, fracture strength, elongation at break and breaking elongation of scribbled that is mainly used in measuring cotton, hair, fiber crops, staple fibre.Due to quality and style that pulling strengrth and the homogeneity thereof of yarn not only affects textile product, also impact weaving after-processing technology and production efficiency therefore propose more and more higher requirement to the detection of finished product yarn before textile product production run.At present, the fabric strength of domestic independent research detects controller mainly take Single-chip Controlling as core, and the most printers that adopt of the record of detection data are directly printed.In some textile raw material manufacturing enterprises, not only needing many fabric strengths to detect controller detects the finished product yarn of producing, but also testing result Real-time Feedback to be processed to production run, so a kind of highly versatile is provided, and can carry out the brute force detection controller of data link with host computer, the control and management of production run is had great significance.
Summary of the invention
The object of this invention is to provide a kind of highly versatile, fabric strength detection controller, the system being formed by this controller that accuracy of detection is high, detection speed is fast and the method that adopts this detection controller to detect fabric.
In order to achieve the above object, a technical scheme of the present invention has been to provide a kind of fabric strength and has detected controller, it is characterized in that: comprise PLC, PLC is by step motor control unit controls stepper motor, by stepper motor, drive the leading screw of vertically arranging to rotate, on leading screw, be provided with by leading screw and drive the driving wire bucket moving up and down, lower wired device is fixed on driving wire bucket, top at leading screw is provided with upper holder, LOAD CELLS is fixed on upper holder, upper wired device is fixed in LOAD CELLS, fabric to be detected is clamped between wired device and lower wired device vertically, PLC connects weight transmitter via AD modular converter, weight transmitter connects LOAD CELLS.
Preferably, also comprise touch-screen, touch-screen is connected with described PLC.
Another technical scheme of the present invention has been to provide a kind of fabric strength detection system, it is characterized in that: comprise that many above-mentioned fabric strengths detect controller, all fabric strengths detect controller and set up data communication by RS485 communication module and host computer separately, and the RS485 communication module of every fabric strength detection controller is connected with described PLC separately respectively.
Another technical scheme of the present invention has been to provide a kind of powerful fabric strength detection method that detects controller of above-mentioned fabrics that adopts, and it is characterized in that, step is:
Under the first step, school tune state, obtain weight and show coefficient of relationship A, B and actual pulse displacement coefficient K:
The counterweight that is Y1 and Y2 by two known weight, Y1 ≠ Y2, is placed on respectively on wired device, and the output data of corresponding AD modular converter are respectively X1 and X2, have:
A = ( Y 1 - Y 2 ) ( X 1 - X 2 ) ;
B＝Y1-KX1：
Preset displacement P1 and the experience pulse displacement coefficient K1 of driving wire bucket, start stepper motor, by PLC controller control step motor control unit, after stepper motor sends N1 pulse, stop stepper motor, N1=K1*P1, the actual displacement amount P2 that records driving wire bucket, has:
K = N 1 P 2 ;
Second step, under operation detected state, by upper wired device and lower wired device, clamp fabric to be detected, start stepper motor, by being about to fabric tension to be detected under the lower wired device of driving wire bucket drive, at fabric to be detected, be stretched in process, with the fixed range interval arranging, gather the real time output data of AD modular converter and the pulse number that step motor control unit sends to stepper motor, thereby calculate not value of thrust in the same time and corresponding traction displacement thereof and preserve, if the real time output data of the AD modular converter that current time collects is X, the pulse number that step motor control unit sends to stepper motor is N, have:
The value of thrust Y=AX+B of current time;
The traction displacement of current time
The 3rd step, when there is transition in the value of thrust calculating, stop stepper motor, driving wire bucket stops descending, searches the maximal value Y of all values of thrust that preserve maxand the corresponding traction displacement of this value of thrust P max, at least calculate elongation or length growth rate or ultimate strength or the fracture strength of fabric to be detected, wherein:
Extend=traction displacement P max; The initial length of length growth rate=elongation/fabric to be detected; The maximal value Y of ultimate strength=value of thrust max; Fracture strength=ultimate strength/spinning algebraically, spinning algebraically is the physical quantity that characterizes strand thickness.
Fabric strength provided by the invention detects controller can be achieved as follows basic function: higher accuracy of detection (wire drawing pulling force accuracy of detection 0.1g, the accuracy of detection 0.1mm of length of string) and faster response performance; Pulling force detects and drawing length school conditioning function easily; Various control, alarm parameters arrange function; The demonstration of Data Detection control procedure and abnormal alarm function; Detect the statistics, analytic function (mean value computation, the calculating of CV value, maximal value are searched, minimum value search) of data (elongation, length growth rate, ultimate strength, fracture strength); Many powerful automatic storage, quick-searching and the analytic functions that detect controller data.
Fabric strength provided by the invention detects control system highly versatile, accuracy of detection is high, detection speed is fast; Many described controllers can carry out data link with host computer, realize the autostore, quick-searching and the analytic function that detect data.
Accompanying drawing explanation
Fig. 1 is the structural representation that fabric strength of the present invention detects controller;
Fig. 2 is the hardware structure diagram that fabric strength of the present invention detects control system.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, a kind of fabric strength provided by the invention detects controller, comprises PLC, AD modular converter, RS485 communication module.PLC is by step motor control unit controls stepper motor 6, by stepper motor 6, drive the leading screw 3 of vertically arranging to rotate, on leading screw 3, be provided with by leading screw 3 and drive the driving wire bucket 4 moving up and down, lower wired device 2 is fixed on driving wire bucket 4, top at leading screw 3 is provided with upper holder, LOAD CELLS 5 is fixed on upper holder, upper wired device 1 is fixed in LOAD CELLS 5, fabric 8 to be detected is clamped between wired device 1 and lower wired device 2 vertically, PLC connects weight transmitter via AD modular converter, and weight transmitter connects LOAD CELLS 5.PLC also connects touch-screen.
After fabric strength detection controller provided by the invention powers on, there is two states: state and operation detected state are adjusted/arranged in school.School is adjusted/is arranged state can make fabric strength detect controller, in school tune state or parameter, state is set.Arranging under state, can spinning machine number, initial spinning ingot number, the qualified upper limit lower limit of strand length growth rate, the qualified upper limit lower limit of strand breaks intensity be set by touch-screen, control the setting of parameter etc.Spinning machine number and initial spinning ingot are number for the different fabric to be detected 8 of mark.Under the tune state of school, can carry out respectively mediation distracted position school, pulling force school and adjust:
(1) adjust in pulling force school, obtains weight and show coefficient of relationship A, B:
The counterweight that is Y1 and Y2 by two known weight, Y1 ≠ Y2, is placed on respectively on wired device 1, and the output data of corresponding AD modular converter are respectively X1 and X2, have:
A = ( Y 1 - Y 2 ) ( X 1 - X 2 ) ;
B＝Y1-KX1。
(2) adjust in distracted position school, obtains actual pulse displacement coefficient K:
Preset displacement P1 and the experience pulse displacement coefficient K1 of driving wire bucket 4, start stepper motor 6, by PLC controller control step motor control unit, after stepper motor 6 sends N1 pulse, stop stepper motor 6, N1=K1*P1, the actual displacement amount P2 that records driving wire bucket 4, has:
K = N 1 P 2 .
When in operation detected state:
The first step, by upper wired device 1, clamp fabric 8 to be detected with lower wired device 2, start stepper motor 6, by driving wire bucket 4, driving lower wired devices to be about to fabric 8 to be detected for 2 times stretches, at fabric 8 to be detected, be stretched in process, with the fixed range interval arranging, gather the real time output data of AD modular converter and the pulse number that step motor control unit sends to stepper motor 6, thereby calculate not value of thrust in the same time and corresponding traction displacement thereof and preserve, if the real time output data of the AD modular converter that current time collects is X, the pulse number that step motor control unit sends to stepper motor 6 is N, have:
The value of thrust Y=AX+B of current time;
The traction displacement of current time
Second step, when there is transition in the value of thrust calculating, stop stepper motor 6, driving wire bucket 4 stops descending, searches the maximal value Y of all values of thrust that preserve maxand the corresponding traction displacement of this value of thrust P max, calculate elongation, length growth rate, ultimate strength, the fracture strength of fabric 8 to be detected, wherein:
Extend=traction displacement P max; The initial length of length growth rate=elongation/fabric 8 to be detected; The maximal value Y of ultimate strength=value of thrust max; Fracture strength=ultimate strength/spinning algebraically, spinning algebraically is the physical quantity that characterizes strand thickness.
The 3rd step, driving wire bucket 4 are up, and return to traction initial point.
According to detecting data, automatically carry out statistical study, calculate length growth rate mean value, length growth rate CV value, length growth rate maximal value and length growth rate minimum value.Generally, if fabric to be detected 8 is strand,, when detecting a spinning-drawing machine strand, generally after detecting N data, a 2N data and 3N data, calculate respectively mean value, the CV value of elongation, length growth rate, ultimate strength, fracture strength.Whole chassis strand detects while finishing, and also will find out the ingot number of the corresponding spinning-drawing machine of minimum value, maximal value and strand of length growth rate, fracture strength.Wherein, CV value characterizes the uniformity consistency of strand, and in general the uniformity coefficient of the lower reflection strand of CV value is better.
Adopt the fabric strength detection controller that many of the present invention provide to form fabric strength detection system with host computer, in conjunction with Fig. 2, many powerful detects RS485 communication module and the host computer of controller by separately and communicates, by KingView monitoring software, to detect, statistics real time link forms database to host computer, can realize the inquiry screening analytic function of host computer to detection statistics data, according to detecting the analysis of data, realize the control and management to production run.

Claims (4)

1. a fabric strength detects controller, it is characterized in that: comprise PLC, PLC is by step motor control unit controls stepper motor (6), by stepper motor (6), drive the leading screw (3) of vertically arranging to rotate, on leading screw (3), be provided with by leading screw (3) and drive the driving wire bucket (4) moving up and down, lower wired device (2) is fixed on driving wire bucket (4), top at leading screw (3) is provided with upper holder, LOAD CELLS (5) is fixed on upper holder, upper wired device (1) is fixed in LOAD CELLS (5), fabric to be detected (8) is clamped between wired device (1) and lower wired device (2) vertically, PLC connects weight transmitter via AD modular converter, weight transmitter connects LOAD CELLS (5).
2. a kind of fabric strength as claimed in claim 1 detects controller, it is characterized in that: also comprise touch-screen, touch-screen is connected with described PLC controller.
3. a fabric strength detection system, it is characterized in that: comprise that many fabric strengths as claimed in claim 1 detect controller, all fabric strengths detect controller and set up data communication by RS485 communication module and host computer separately, and the RS485 communication module of every fabric strength detection controller is connected with described PLC separately respectively.
4. adopt fabric strength as claimed in claim 1 to detect a fabric strength detection method for controller, it is characterized in that, step is:
Under the first step, school tune state, obtain weight and show coefficient of relationship A, B and actual pulse displacement coefficient K:
The counterweight that is Y1 and Y2 by two known weight, Y1 ≠ Y2, is placed on respectively wired device (1) upper, and the output data of corresponding AD modular converter are respectively X1 and X2, have:
A = ( Y 1 - Y 2 ) ( X 1 - X 2 ) ;
B＝Y1-KX1；
Preset displacement P1 and the experience pulse displacement coefficient K1 of driving wire bucket (4), start stepper motor (6), by PLC controller control step motor control unit, after sending N1 pulse, stepper motor (6) stops stepper motor (6), N1=K1*P1, the actual displacement amount P2 that records driving wire bucket (4), has:
K = N 1 P 2 ;
Second step, under operation detected state, by upper wired device (1) and lower wired device (2), clamp fabric to be detected (8), start stepper motor (6), by being about to fabric to be detected (8) stretching under the lower wired device (2) of driving wire bucket (4) drive, at fabric to be detected (8), be stretched in process, with the fixed range interval arranging, gather the real time output data of AD modular converter and the pulse number that step motor control unit sends to stepper motor (6), thereby calculate not value of thrust in the same time and corresponding traction displacement thereof and preserve, if the real time output data of the AD modular converter that current time collects is X, the pulse number that step motor control unit sends to stepper motor (6) is N, have:
The value of thrust Y=AX+B of current time;
The traction displacement of current time
The 3rd step, when transition appears in the value of thrust calculating, stops stepper motor (6), and driving wire bucket (4) stops descending, searches the maximal value Y of all values of thrust that preserve maxand the corresponding traction displacement of this value of thrust P max, at least calculate elongation or length growth rate or ultimate strength or the fracture strength of fabric to be detected (8), wherein:
Extend=traction displacement P max; The initial length of length growth rate=elongation/fabric to be detected (8); The maximal value Y of ultimate strength=value of thrust max; Fracture strength=ultimate strength/spinning algebraically, spinning algebraically is the physical quantity that characterizes strand thickness.
CN201410174703.6A 2014-04-28 2014-04-28 A kind of fabric strength detection controller, system and detection method Expired - Fee Related CN103955162B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198283A (en) * 2014-09-02 2014-12-10 建研科技股份有限公司 Pulling-out instrument control method for automatically detecting concrete strength
CN104267202A (en) * 2014-10-24 2015-01-07 广东出入境检验检疫局检验检疫技术中心 Top hanging and lifting test instrument
CN104457933A (en) * 2014-12-01 2015-03-25 杨海峰 Device and method for on-line monitoring of average gram weight of non-woven fabric in real time
CN105831806A (en) * 2016-06-06 2016-08-10 张家口市东力机械制造有限责任公司 Pre-loosening feeding device for formed machine fibers
CN106596259A (en) * 2015-10-20 2017-04-26 美斯丹（意大利）公司 Measurement device for measuring dynamometric features of elongated textile samples of the yarns, threads, tapes type and the like
CN107478509A (en) * 2017-07-31 2017-12-15 芜湖富春染织股份有限公司 A kind of yarn strength measuring method
CN107576564A (en) * 2017-07-18 2018-01-12 响水县恒泰纺织有限公司 A kind of stretching force detecting apparatus for colour-spun yarns production and processing
CN108956340A (en) * 2018-08-10 2018-12-07 嘉兴学院 A kind of tensile fatigue test method
CN109387449A (en) * 2017-08-02 2019-02-26 广东溢达纺织有限公司 The detection method and fabric pre-setting processing method of pre-setting fabric
CN109900571A (en) * 2019-03-29 2019-06-18 高邑县得利达纺织有限公司 Weaving spinning quality amount control method and special equipment based on 2 dimensional region sample spring curve
KR20210143438A (en) * 2020-05-20 2021-11-29 (주)고고싱 Cloth stretch measurement equipment
CN114088523A (en) * 2021-11-17 2022-02-25 广东溢达纺织有限公司 Brute force value monitoring system, brute force value monitoring method, brute force value monitoring device and computer equipment

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CN202485992U (en) * 2012-02-10 2012-10-10 西安宝大测控技术有限公司 Temperature control type electronic stretcher based on embedded measurement and control system
CN203882157U (en) * 2014-04-28 2014-10-15 东华大学 Fabric strength detection controller

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CN2510855Y (en) * 2001-11-28 2002-09-11 山东省纺织科学研究院 Multipurpose fabric strength detector
CN1869638A (en) * 2006-06-09 2006-11-29 周建青 Electronic fabric strength testing instrument
US7568397B2 (en) * 2007-03-02 2009-08-04 Bridgestone Firestone North American Tire, Llc Magnetic stability for test fixture
CN101344469A (en) * 2008-05-14 2009-01-14 中国科学技术大学 Particle sludge intensity measuring instrument and method
CN202485992U (en) * 2012-02-10 2012-10-10 西安宝大测控技术有限公司 Temperature control type electronic stretcher based on embedded measurement and control system
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198283A (en) * 2014-09-02 2014-12-10 建研科技股份有限公司 Pulling-out instrument control method for automatically detecting concrete strength
CN104267202A (en) * 2014-10-24 2015-01-07 广东出入境检验检疫局检验检疫技术中心 Top hanging and lifting test instrument
CN104267202B (en) * 2014-10-24 2016-08-24 广东出入境检验检疫局检验检疫技术中心 A kind of top is hung and is carried test instrument
CN104457933B (en) * 2014-12-01 2018-01-23 杨海峰 The average grammes per square metre on-line real time monitoring device and method of adhesive-bonded fabric
CN104457933A (en) * 2014-12-01 2015-03-25 杨海峰 Device and method for on-line monitoring of average gram weight of non-woven fabric in real time
CN106596259A (en) * 2015-10-20 2017-04-26 美斯丹（意大利）公司 Measurement device for measuring dynamometric features of elongated textile samples of the yarns, threads, tapes type and the like
CN105831806A (en) * 2016-06-06 2016-08-10 张家口市东力机械制造有限责任公司 Pre-loosening feeding device for formed machine fibers
CN107576564A (en) * 2017-07-18 2018-01-12 响水县恒泰纺织有限公司 A kind of stretching force detecting apparatus for colour-spun yarns production and processing
CN107478509A (en) * 2017-07-31 2017-12-15 芜湖富春染织股份有限公司 A kind of yarn strength measuring method
CN109387449A (en) * 2017-08-02 2019-02-26 广东溢达纺织有限公司 The detection method and fabric pre-setting processing method of pre-setting fabric
CN108956340A (en) * 2018-08-10 2018-12-07 嘉兴学院 A kind of tensile fatigue test method
CN109900571A (en) * 2019-03-29 2019-06-18 高邑县得利达纺织有限公司 Weaving spinning quality amount control method and special equipment based on 2 dimensional region sample spring curve
CN109900571B (en) * 2019-03-29 2021-03-30 高邑县得利达纺织有限公司 Textile spinning quality control method based on two-dimensional area sample elasticity curve and special equipment
KR20210143438A (en) * 2020-05-20 2021-11-29 (주)고고싱 Cloth stretch measurement equipment
CN114088523A (en) * 2021-11-17 2022-02-25 广东溢达纺织有限公司 Brute force value monitoring system, brute force value monitoring method, brute force value monitoring device and computer equipment

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