CN108562391A - Yarn tension detection apparatus and yarn tension detection method - Google Patents
Yarn tension detection apparatus and yarn tension detection method Download PDFInfo
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- CN108562391A CN108562391A CN201810073389.0A CN201810073389A CN108562391A CN 108562391 A CN108562391 A CN 108562391A CN 201810073389 A CN201810073389 A CN 201810073389A CN 108562391 A CN108562391 A CN 108562391A
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- Prior art keywords
- yarn
- signal
- magnetic eye
- tension detection
- yarn tension
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/042—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands by measuring vibrational characteristics of the flexible member
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of Yarn tension detection apparatus, including:Magnetic eye;Signal supervisory instrument is connect with the magnetic eye, for detecting the caused vibration signal that rubs between yarn and the magnetic eye;Control centre connect with the power plant of the control yarn speed of service, the signal supervisory instrument respectively.By the Numerical Control power plant for the vibration signal that signal supervisory instrument detects, and then the speed of yarn operation is controlled, to realize the stabilization of tension during yarn cabling.Yarn generates frictional vibration by magnetic eye in transmission process and with magnetic eye main body, to drive the vibration of piezoelectric ceramics connected to it, magneto sensor converts the vibration signal to electric signal, and it is transferred to control centre, since frictional vibration is bigger, the vibration signal that piezoelectric ceramics receives is bigger, and the electric signal that control centre receives is stronger, finally can judge whether the size of the yarn tension and yarn are broken according to the power of the electric signal.
Description
Technical field
The present invention relates to weaving loom accessory technical fields, and in particular to a kind of Yarn tension detection apparatus and yarn tension inspection
Survey method.
Background technology
In carrying out yarn transmission process, yarn tension has extremely important influence, too small yarn to woven cloth product
Tension, excessively loose, the excessive yarn tension of braiding finished product do not only result in that be woven into product tight ness rating excessive, and in transmission process
In easily there is the fracture of yarn, and yarn breakage need to shut down connect again can working machines again again, other front and back tension
Differ, also leads to problems such as the finished product of braiding quality uniformity occur poor.
In view of defect present in above-mentioned existing yarn transmission process, the present inventor is based on being engaged in such product design
Manufacture abundant for many years practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found one
Kind Yarn tension detection apparatus and yarn tension detection method make it have more practicability.By constantly studying, designing, and
After studying sample repeatedly and improving, the present invention having practical value is created finally.
Invention content
It is a primary object of the present invention to, overcome the existing existing defect of yarn transmission, and a kind of yarn tension is provided
Detection device and yarn tension detection method so that yarn tension can monitor in real time in yarn transmission process, consequently facilitating the later stage
Adjustment so that yarn tension is stablized, thus more suitable for practicality, and with the utility value in industry.
The object of the invention to solve the technical problems is realized using following technical scheme.
Yarn tension detection apparatus, including:
Magnetic eye;
Signal supervisory instrument is connect with the magnetic eye, for detecting the caused vibration signal that rubs between yarn and the magnetic eye;
Control centre connect with the power plant of the control yarn speed of service, the signal supervisory instrument respectively.Pass through letter
The Numerical Control power plant of the vibration signal of number detection device detection, and then the speed of yarn operation is controlled, to realize yarn
The stabilization of tension during line cabling.
As a kind of perferred technical scheme, the signal supervisory instrument includes the piezoelectricity being fixed on the magnetic eye
Ceramics and the vibration signal for receiving the piezoelectric ceramics are converted into the magneto sensor of electric signal.
As a kind of perferred technical scheme, the signal supervisory instrument further includes signal amplifier, for shaking described
Dynamic signal is amplified.
As a kind of perferred technical scheme, the signal amplifier includes two-stage signal amplifier, the respectively first order
Difference amplifier and second level forward direction amplifier.
As a kind of perferred technical scheme, the magnetic eye includes cylindric magnetic eye main body and is set in the magnetic eye main body
On mounting platform, and the magnetic eye main body and the mounting platform are integrally formed.
As a kind of perferred technical scheme, further include unreeling shaft and the power plant company of power is provided to the unreeling shaft
It connects.
As a kind of perferred technical scheme, the horizontal top residing for the unreeling shaft is arranged in the magnetic eye so that
Yarn between the unreeling shaft and the magnetic eye is in 0-30 degree inclination angle.
As a kind of perferred technical scheme, the magnetic eye is provided with multiple, and multiple magnetic eyes are in same level
Line.
Yarn tension detection method, includes the following steps:
Yarn to be detected is passed through magnetic eye by step 1, and the yarn is received during by the magnetic eye by piezoelectric ceramics
The vibration signal of generation;
The vibration signal that the step 1 receives is converted to electric signal by step 2, and by the electric signal transmission to control
Center;
The electric signal is compared by step 3, the control centre with preset value, when the value of electrical signals is more than described preset
Value or not within a preset range when, signal an alert, when the value of electrical signals is no more than the preset value or in preset range
When interior, continue to detect and the electric signal is recorded and preserved;
Step 4, when the step 2 receive the electric signal be 0 when, by the electric signal transmission give the control centre, and
Stop the operation of the yarn by the control centre.
As a kind of perferred technical scheme, in the step 3, when the value of electrical signals is more than the preset value or does not exist
When in preset range, signal an alert and/or the speed of service that the yarn is controlled by the control centre.
Using above-mentioned technical proposal, following technique effect can be realized:
1), yarn in transmission process by magnetic eye and with magnetic eye main body generate frictional vibration, to drive pressure connected to it
The vibration of electroceramics, magneto sensor converts the vibration signal to electric signal, and is transferred to control centre, since frictional vibration is got over
Greatly, the vibration signal that piezoelectric ceramics receives is bigger, and the electric signal that control centre receives is stronger, finally can be according to the electric signal
Power judge whether the size of the yarn tension and yarn are broken;
2), can also in control centre preset electric signal range, by judging the value of electrical signals that receives whether in the model
In enclosing, judges the uniformity of tension when yarn cabling, to control the uniformity of braided fabric, ensure that the quality of product.
Description of the drawings
Fig. 1 is the structural schematic diagram of Yarn tension detection apparatus of the present invention;
Fig. 2 is magnetic the structure of the eye schematic diagram in the present invention;
Wherein, 1- magnetic eye, 11- magnetic eye main bodys, 12- mounting platforms, 2- control centres, 3- power plants, 4- unreeling shafts, 5- are driven
Roller.
Specific implementation mode
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, to foundation
Yarn tension detection apparatus and yarn tension detection method proposed by the present invention its specific implementation mode, feature and its effect, in detail
It describes in detail bright as after.
As shown in Figure 1, the invention discloses a kind of Yarn tension detection apparatus, including:
Magnetic eye 1, yarn are threaded through in magnetic eye 1, and yarn can generate friction in the motion process inside magnetic eye 1 with magnetic eye 1, and
Generate vibration signal;
Signal supervisory instrument is connect with magnetic eye 1, for detecting the caused vibration signal that rubs between yarn and magnetic eye 1, and will be given
Vibration signal is converted into electric signal, and is transferred to control centre 2 connected to it;
Control centre 2 connect with the power plant 3 of the control yarn speed of service, signal supervisory instrument, passes through signal detection respectively
The numerical value of the vibration signal of device detection is compared with its preset signal value, on judging whether yarn tension has reached
Limit value to control power plant 3, and then controls the speed of yarn operation, to realize the steady of tension during yarn cabling
It is fixed.
As a kind of perferred technical scheme, signal supervisory instrument include the piezoelectric ceramics that is fixed on magnetic eye 1 and
Vibration signal for receiving piezoelectric ceramics is converted into the magneto sensor of electric signal, specifically, being shaken by piezoelectric ceramics reception
Dynamic signal, then the vibration signal is converted by electric signal by magneto sensor, and finally by the electric signal transmission to control centre
2。
As a kind of perferred technical scheme, signal supervisory instrument further includes signal amplifier, for by vibration signal into
Row amplification.Since the vibration signal that yarn is generated in magnetic eye 1 is fainter, will be put to vibration signal using signal amplifier
Greatly, the difference for being not only exaggerated vibration signal, but also being exaggerated between vibration signal, and the amplification of difference is conducive to subsequent control
Center 2 carries out the ratio between preset value, to improve the precision of tension detection.
As a kind of perferred technical scheme, signal amplifier includes two-stage signal amplifier, respectively first order difference
Amplifier and second level forward direction amplifier realize the adjustable of amplification factor by two kinds of amplifying circuits.Since magnetic eye 1 detects
The signal arrived is very faint, if only amplified by one stage signal, the amplification factor of operational amplifier must improve, it is easy to cause
Distorted signals, wrong report can increase, and be amplified by two-stage, after signal is amplified by level-one first, then be filtered, by holder
The interference signals such as noisy in vibration and workshop filter out, and then carry out two level amplification, and such output signal is anti-interference stronger,
The accuracy of tension detection can be improved.
As a kind of perferred technical scheme, magnetic eye 1 includes cylindric magnetic eye main body 11 and is set in magnetic eye main body 11
Mounting platform 12, and magnetic eye main body 11 and mounting platform 12 are integrally formed.Traditional cylindric magnetic eye main body 11 is not easy to press
The installation of electroceramics can facilitate the installation of piezoelectric ceramics in signal supervisory instrument integrally formed with the mounting platform 12, and due to
Mounting platform 12 is integrally formed with magnetic eye main body 11, therefore the vibration of magnetic eye 1 is transferred directly to mounting platform 12, not will produce
Error reduces the loss in transmission process.
As a kind of perferred technical scheme, further include unreeling shaft 4 and the company of power plant 3 of power is provided to unreeling shaft 4
It connects.
As a kind of perferred technical scheme, the horizontal top residing for unreeling shaft 4 is arranged in magnetic eye 1 so that unreeling shaft 4
Yarn between magnetic eye 1 is in 0-30 degree inclination angle.As shown in Figure 1, unreeling shaft 4 is in different horizontal lines from magnetic eye 1 so that
Yarn between unreeling shaft 4 and magnetic eye 1 at an angle so that the contact between yarn and magnetic eye 1 is closer, to put
Big friction between yarn and magnetic eye 1, and due to angle of inclination appropriateness, yarn will not be influenced due to larger transport angles
In addition the transport of line is provided with driven voller 5 at the incoming line of magnetic eye 1, prevent the rubbing crack on the corner in yarn.
As a kind of perferred technical scheme, magnetic eye 1 is provided with multiple, and multiple magnetic eyes 1 are in same horizontal line.
Yarn tension detection method, includes the following steps:
Yarn to be detected is passed through magnetic eye 1 by step 1, receives what yarn generated during by magnetic eye 1 by piezoelectric ceramics
Vibration signal;
The vibration signal that step 1 receives is converted to electric signal by step 2, and by electric signal transmission to control centre 2;
Electric signal is compared by step 3, control centre 2 with preset value, when value of electrical signals is more than preset value or not in default model
When enclosing interior, signal an alert, when value of electrical signals no more than preset value or within a preset range when, continue detection and by electric signal
It records and preserves;
Step 4, when step 2 receive electric signal be 0 when, by electric signal transmission to control centre 2, and stopped by control centre 2
The only operation of yarn.
As a kind of perferred technical scheme, in step 3, when value of electrical signals is more than preset value or not within a preset range
When, signal an alert and/or by control centre 2 control yarn the speed of service.
Specifically, during practical yarn cabling, when the vibration signal of piezoelectric ceramics detection be converted to electric signal and with
Preset electric signal is compared in control centre 2, judges whether yarn reaches tension maximum value, and then passes through control centre 2
To send out alarm and/or control power plant 3 and then the speed of service of control yarn, to prevent yarn since overtension is led
The fracture of cause.
In addition, during practical yarn cabling, when the vibration signal of piezoelectric ceramics detection be converted to electric signal and with control
Preset electric signal is compared in center 2 processed, judges yarn whether in the tension range of setting, and then pass through control centre
2 to send out alarm and/or control power plant 3 and then the speed of service of control yarn, to prevent yarn during cabling
Tension changes greatly, and influences the quality and uniformity of braided fabric.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the technical essence of the invention
To any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.
Claims (10)
1. Yarn tension detection apparatus, which is characterized in that including:
Magnetic eye(1);
Signal supervisory instrument, with the magnetic eye(1)Connection, for detecting yarn and the magnetic eye(1)Between rub caused by shake
Dynamic signal;
Control centre(2), respectively with the power plant that controls the yarn speed of service(3), signal supervisory instrument connection.
2. Yarn tension detection apparatus according to claim 1, which is characterized in that the signal supervisory instrument includes fixing
It is arranged in the magnetic eye(1)On piezoelectric ceramics and vibration signal for receiving the piezoelectric ceramics be converted into electric signal
Magneto sensor.
3. Yarn tension detection apparatus according to claim 1, which is characterized in that the signal supervisory instrument further includes letter
Number amplifier, for the vibration signal to be amplified.
4. Yarn tension detection apparatus according to claim 3, which is characterized in that the signal amplifier includes two-stage letter
Number amplifier, respectively first order difference amplifier and second level forward direction amplifier.
5. Yarn tension detection apparatus according to claim 1, which is characterized in that the magnetic eye(1)Including cylindric magnetic
Eye main body(11)Be set in the magnetic eye main body(11)On mounting platform(12), and the magnetic eye main body(11)With the peace
Assembling platform(12)It is integrally formed.
6. Yarn tension detection apparatus according to claim 1, which is characterized in that further include unreeling shaft(4)With to described
Unreeling shaft(4)The power plant of power is provided(3)Connection.
7. Yarn tension detection apparatus according to claim 6, which is characterized in that the magnetic eye(1)Setting is put described
Spool(4)Residing horizontal top so that the unreeling shaft(4)With the magnetic eye(1)Between yarn in 0-30 degree tilt
Angle.
8. Yarn tension detection apparatus according to claim 1, which is characterized in that the magnetic eye(1)Be provided with it is multiple, and
Multiple magnetic eyes(1)In same horizontal line.
9. yarn tension detection method, which is characterized in that include the following steps:
Yarn to be detected is passed through magnetic eye by step 1(1), the yarn is received by the magnetic eye by piezoelectric ceramics(1)'s
The vibration signal generated in the process;
The vibration signal that the step 1 receives is converted to electric signal by step 2, and by the electric signal transmission to control
Center(2);
Step 3, the control centre(2)The electric signal is compared with preset value, when the value of electrical signals is more than described
Preset value or not within a preset range when, signal an alert, when the value of electrical signals is no more than the preset value or default
When in range, continues to detect and the electric signal is recorded and preserved;
Step 4, when the step 2 receive the electric signal be 0 when, by the electric signal transmission give the control centre(2),
And pass through the control centre(2)Stop the operation of the yarn.
10. yarn tension detection method according to claim 9, which is characterized in that in the step 3, when the telecommunications
Number value more than the preset value or not within a preset range when, signal an alert and/or pass through the control centre(2)Control
The speed of service of the yarn.
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CN201810073389.0A CN108562391A (en) | 2018-01-25 | 2018-01-25 | Yarn tension detection apparatus and yarn tension detection method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109556780A (en) * | 2018-12-19 | 2019-04-02 | 青海盐湖工业股份有限公司 | A kind of method and system that laminating machine tension detects and controls |
CN110004573A (en) * | 2019-04-03 | 2019-07-12 | 东北大学 | A yarn fault detection method and device based on vibration data |
CN115046671A (en) * | 2022-04-11 | 2022-09-13 | 浙江理工大学 | Yarn tension detection method and device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1611437A (en) * | 1997-03-03 | 2005-05-04 | 东丽工程株式会社 | Method and apparatus for detecting yarn tension and yarn-winding method |
CN201372342Y (en) * | 2009-03-09 | 2009-12-30 | 天津市恒源传感器技术有限公司 | Non-contact detector for yarn tension |
CN102787370A (en) * | 2011-05-17 | 2012-11-21 | 山东省蚕业研究所 | Device for detecting cocoon silk breaking of reeling machine by using piezoelectric ceramics |
CN204280898U (en) * | 2014-12-05 | 2015-04-22 | 杭州萧山荣丽布艺有限公司 | Yarn tensioner |
CN205258724U (en) * | 2015-11-30 | 2016-05-25 | 苏州豪辉纺织有限公司 | Yarn tension frame |
CN208060064U (en) * | 2018-01-25 | 2018-11-06 | 常州市新创智能科技有限公司 | Yarn tension detection apparatus |
-
2018
- 2018-01-25 CN CN201810073389.0A patent/CN108562391A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1611437A (en) * | 1997-03-03 | 2005-05-04 | 东丽工程株式会社 | Method and apparatus for detecting yarn tension and yarn-winding method |
CN201372342Y (en) * | 2009-03-09 | 2009-12-30 | 天津市恒源传感器技术有限公司 | Non-contact detector for yarn tension |
CN102787370A (en) * | 2011-05-17 | 2012-11-21 | 山东省蚕业研究所 | Device for detecting cocoon silk breaking of reeling machine by using piezoelectric ceramics |
CN204280898U (en) * | 2014-12-05 | 2015-04-22 | 杭州萧山荣丽布艺有限公司 | Yarn tensioner |
CN205258724U (en) * | 2015-11-30 | 2016-05-25 | 苏州豪辉纺织有限公司 | Yarn tension frame |
CN208060064U (en) * | 2018-01-25 | 2018-11-06 | 常州市新创智能科技有限公司 | Yarn tension detection apparatus |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109556780A (en) * | 2018-12-19 | 2019-04-02 | 青海盐湖工业股份有限公司 | A kind of method and system that laminating machine tension detects and controls |
CN110004573A (en) * | 2019-04-03 | 2019-07-12 | 东北大学 | A yarn fault detection method and device based on vibration data |
CN115046671A (en) * | 2022-04-11 | 2022-09-13 | 浙江理工大学 | Yarn tension detection method and device |
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Application publication date: 20180921 |