CN102818766A - Method and special device for testing touch comfort level of fabric - Google Patents
Method and special device for testing touch comfort level of fabric Download PDFInfo
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- CN102818766A CN102818766A CN2012102647125A CN201210264712A CN102818766A CN 102818766 A CN102818766 A CN 102818766A CN 2012102647125 A CN2012102647125 A CN 2012102647125A CN 201210264712 A CN201210264712 A CN 201210264712A CN 102818766 A CN102818766 A CN 102818766A
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Abstract
The invention relates to a method and a special device for testing the touch comfort level of a fabric. The method comprises the following steps of: selecting a testing plate firstly, wherein a virtual skin layer is selected on the upper surface of the testing plate; arranging the testing plate horizontally, slowly upraising the end of the testing plate, on which the fabric is paved, stopping raising the testing plate instantly once the fabric begins to slide downwards, and recording the included angle (theta) between the testing plate and the level at this time; calculating out a concrete number of a static friction coefficient according to the formula that the static friction coefficient mu is equal to tg(theta) to simulate and indicate the touch comfort level between the tested fabric and the human body skin fast and exactly. By using the special device, the included angle (theta) can be detected when the fabric slides downwards by the cooperation of an automatic module and an included-angle detecting device, and the friction coefficient can be calculated out automatically by a controller, in this way, a detector only needs to record without manually computing.
Description
Technical field
The present invention relates to a kind of lining sense of touch comfort test method, also relate to a kind of lining sense of touch comfort test isolated plant.
Background technology
The material of lining, density, thickness, institutional framework and dyeing and finishing processing method have material impact to the stimulation degree of dressing person's skin surface.
Friction factor is big more between lining and skin, and dressing person's sense of touch is obvious more, and the lining comfortableness is poor more.For characterizing the stimulation degree (sense of touch) of lining, can realize through the friction factor that certain method is measured between lining and the human body skin to dressing person's skin surface.Friction between object is divided into static friction, sliding friction and three kinds of states of rolling friction.When the Frotteurism of studying between lining and the human body skin, be main research object with static friction and sliding friction usually.Also there are not at present suitable method of testing and corresponding testing device.
Summary of the invention
The technical matters that the present invention will solve provides a kind of method that can test lining sense of touch comfort level fast and accurately, and a kind of isolated plant of realizing this lining sense of touch comfort test method also is provided.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of lining sense of touch comfort test method, and its innovative point is that said step is:
A) at first select a test board for use, the upper surface of test board is selected the virtual skin layer near the human body skin characteristic for use;
B) with the test board horizontal positioned, the lining that will test then is tiled in the upper surface of test board;
Test board one end that c) will be equipped with lining upwards slowly lifts, and makes the degree of tilt of test board increase gradually, when lining begins when gliding, to stop to lift test board immediately, and note this moment test board and surface level between angle theta;
D) lining is the coefficient of static friction between lining and the virtual skin layer of test board upper surface by static moment and the friction factor between the test board upper surface that becomes slip, and note is made μ, and μ=tg θ; According to above-mentioned steps c) in the test board and the concrete numerical evaluation of the angle theta between the surface level that obtain go out the concrete numerical value of coefficient of static friction, this coefficient of static friction directly reacts lining sense of touch comfort level.
A kind of isolated plant of realizing above-mentioned lining sense of touch comfort test method also is provided; Comprise pedestal; Its innovative point is: comprise that also one is arranged on the test board on the pedestal; The upper surface of this test board has the virtual skin layer of one deck near the human body skin characteristic, and the front end and the pedestal of test board are hinged; One is installed in the hoisting gear on the pedestal, and this hoisting gear is used to promote or put down the rear end of test board; One angle pick-up unit, this angle pick-up unit is used to detect the angle between pedestal and the test board, and exports detected angle signal; One controller, this controller have signal input interface and angle shows output interface, and controller is communicated by letter with the angle pick-up unit through signal input interface, and controller is communicated by letter with the angle display through angle demonstration output interface.
Further, said virtual skin layer is the leatheret surface layer.
Further, said hoisting gear comprises lifting support, the drive unit that is installed on the pedestal, and fixed pulley is installed on the top that promotes support, and the output terminal of drive unit connects rope winder, and the rope on the rope winder is connected with the test board rear end after upwards walking around fixed pulley.
Further, said drive unit is the motor of band speed reduction unit.
Further; Also be included in lining and when beginning to glide, close the automatic control module of drive unit; It comprises that one is arranged on the displacement transducer on the virtual skin layer; Controller has lining downslide control interface and drive controlling interface, and said lining downslide control interface is communicated by letter with the signal output interface of displacement transducer, and the drive controlling interface is communicated by letter with drive unit; Control opens and closes drive unit according to displacement transducer signal by controller.
Further, bore the sensor mounting hole that extends and connect virtual skin layer on the said test board, displacement transducer is installed in the sensor mounting hole.
Further, said angle pick-up unit is an angular transducer.
Further, also comprise a friction factor display, controller has a friction factor output interface, and this friction factor output interface is communicated by letter with the friction factor display.
The invention has the advantages that: upper surface is selected for use near the virtual skin layer of human body skin characteristic and lining the moment of slip is relatively taken place; Its friction factor is coefficient of static friction μ; Utilize the angle theta that forms between lining, the level and the linear relationship of coefficient of static friction μ; Directly measure angle theta, thereby calculate the friction factor between virtual skin layer and the lining, characterize sense of touch comfort level between tested lining and the human body skin thereby can simulate fast and accurately.
When utilizing lining sense of touch comfort test isolated plant to carry out the detection of lining friction factor; It can cooperate the angle theta that detects this moment through automatic module with the angle pick-up unit when lining glides; And by controller according to utilizing the angle theta that forms between lining, the level and the linear relationship of coefficient of static friction μ to calculate friction factor automatically; The testing staff only need write down and get final product, and need not the manual conversion.
Description of drawings
Fig. 1 is that lining is detecting force analysis synoptic diagram on the inclined-plane.
Fig. 2 is lining sense of touch comfort test isolated plant front view among the present invention.
Fig. 3 is lining sense of touch comfort test isolated plant vertical view among the present invention.
Fig. 4 is lining sense of touch comfort test isolated plant system connection layout among the present invention.
Embodiment
Test philosophy: article are placed on the inclined-plane, and along with the angle between inclined-plane and the surface level constantly increases, the article that are placed on the inclined-plane are also obvious more to the trend that low side slides.Lining is the coefficient of static friction between lining and the inclined-plane by static moment and the friction factor between the inclined-plane that becomes slip, at this moment, remembers that this friction factor is μ, and the angle between note inclined-plane and the surface level is θ.The relation of coefficientoffriction and angle theta is:
As shown in Figure 1, the stressing conditions See Figure of tested lining M on the inclined-plane.Under gravity G effect, lining is stressed to be decomposed into the power F parallel with the inclined-plane
2And the power F vertical with the inclined-plane
3, the stiction note of lining M is made f.
Can know by Fig. 1:
F
3=Gcos θ formula (1)
F
2=Gsin θ formula (2)
F=μ F
3Formula (3)
Angle theta between inclined-plane and surface level constantly increases, and when making tested lining on the inclined-plane glide, is beginning to slide at that moment, and the pulling lining is to the power F of lower slider
2F equates with stiction, promptly
F
2=f formula (4)
With formula (1) (2) (3) substitution (4), μ=(Gsin θ)/(Gcos θ) then
Have after the simplification:
μ?=?tgθ
Therefore, record the angle θ between inclined-plane and the surface level, can record the friction factor between tested fabric and the inclined-plane, characterize sense of touch comfort level between tested lining and the human body skin thereby can simulate.
Lining sense of touch comfort test method concrete steps are among the present invention:
The first step: at first select a test board for use, the upper surface of test board need have the virtual skin layer near the human body skin characteristic.
Second step: with the test board horizontal positioned, and its virtual skin layer up, and the lining that will test then is tiled in the upper surface of test board.
The 3rd step: test board one end that will be equipped with lining upwards slowly lifts, and makes the degree of tilt of test board increase gradually, when lining begins when gliding, to stop to lift test board immediately, and notes the angle theta between the test board and surface level at this moment.
The 4th step: lining is the coefficient of static friction between lining and the virtual skin layer of test board upper surface by static moment and the friction factor between the test board upper surface that becomes slip, and note is made μ, μ=tg θ; Go out the concrete numerical value of coefficient of static friction according to test board that obtains in the above-mentioned steps three and the concrete numerical evaluation of the angle theta between the surface level, this coefficient of static friction directly reacts lining sense of touch comfort level.
The isolated plant physical construction that uses in the above-mentioned lining sense of touch comfort test method is like Fig. 2,3, shown in 4:
Comprise pedestal 1, control panel 2, angular display unit 3, friction factor display 4, test board hinged seat 5, virtual skin layer 6, test board 7, promote support 8, rope 9, promote carrier base 10, motor 11, fixed pulley 12, sensor mounting hole 14, rope winder 15.
The front end of test board 7 is connected with pedestal 1 through test board hinged seat 5, and the rear end connects hoisting gear.
Hoisting gear is installed on the pedestal 1, is used to promote or put down the rear end of test board 7, and it comprises lifting support 8, drive unit, and fixed pulley 12 is installed on the top that promotes support 8, and the lower end that promotes support 8 is through promoting the rear portion that carrier base 10 is installed in pedestal 1.The output terminal of drive unit connects rope winder 15, and the rope 9 on the rope winder 15 is upwards walked around fixed pulley 12 backs and is connected with test board 7 rear ends.Drive unit adopts the motor 11 of band speed reduction unit.
The angle pick-up unit is installed on the pedestal 1, is used to detect the angle between pedestal 1 and the test board 7, and exports detected angle signal.Angle detection device adopts angular transducer 16 among the present invention, specifically is installed in the test board hinged seat 5.
Test accuracy for improving, test error or the error of avoiding artificial disable motor 11 to cause, the isolated plant that uses in the lining sense of touch comfort test method among the present invention:
Also be included in the automatic control module of closing drive unit when lining has just begun to glide; It comprises that one is arranged on the displacement transducer 15 on the virtual skin layer 6; The concrete installation site of displacement transducer 15 is: bore the sensor mounting hole that extends and connect virtual skin layer 6 on the test board 7; Displacement transducer 15 is installed in the sensor mounting hole 14, and sensor mounting hole 14 is near the top or the bottom of test board 7.Simultaneously, controller 13 has lining downslide control interface and drive controlling interface, and lining downslide control interface is communicated by letter with the signal output interface of displacement transducer 15, and the drive controlling interface is communicated by letter with the motor 11 of drive unit.Control opens and closes the motor 11 of drive unit according to displacement transducer signal by controller 13.During test; If sensor mounting hole 14 is arranged on the top of test board 7; Then the downside of sensor mounting hole 14 is close to and is positioned to the coboundary of lining, if sensor mounting hole 14 is arranged on the bottom of test board 7, then the upside of sensor mounting hole 14 is close to and is positioned to the lower limb of lining; So that lining one slides, displacement transducer just can the carry-out bit shifting signal.
The principle of work of isolated plant:
Pedestal 1 horizontal positioned through releasing the button of control panel 2, is connected the power supply of motor 11, and rope winder 15 rotates and curls 9, makes the rear end of test board 7 lift on constantly, thereby changes the angle of test board 7 and surface level; When the lining on the virtual skin layer 6 begins to glide; The displacement transducer signal that is positioned at fabric edge changes, and is stopped by controller 13 control motors 11, and notes the angular transducer signal of this moment; This angular transducer signal exports angle display 3 to through controller 13; Angle display 3 registrations are the angle theta between test board and the surface level, and can directly this angular transducer signal be changed into coefficientoffriction through calculating through controller 13, show through friction factor display 4.
Claims (9)
1. lining sense of touch comfort test method is characterized in that said step is:
A) at first select a test board for use, the upper surface of test board is selected the virtual skin layer near the human body skin characteristic for use;
B) with the test board horizontal positioned, the lining that will test then is tiled in the upper surface of test board;
Test board one end that c) will be equipped with lining upwards slowly lifts, and makes the degree of tilt of test board increase gradually, when lining begins when gliding, to stop to lift test board immediately, and note this moment test board and surface level between angle theta;
D) lining is the coefficient of static friction between lining and the virtual skin layer of test board upper surface by static moment and the friction factor between the test board upper surface that becomes slip, and note is made μ, and μ=tg θ; According to above-mentioned steps c) in the test board and the concrete numerical evaluation of the angle theta between the surface level that obtain go out the concrete numerical value of coefficient of static friction, this coefficient of static friction directly reacts lining sense of touch comfort level.
2. isolated plant of realizing above-mentioned lining sense of touch comfort test method; Comprise pedestal; It is characterized in that: comprise that also one is arranged on the test board on the pedestal, the upper surface of this test board has the virtual skin layer of one deck near the human body skin characteristic, and the front end and the pedestal of test board are hinged;
One is installed in the hoisting gear on the pedestal, and this hoisting gear is used to promote or put down the rear end of test board;
One angle pick-up unit, this angle pick-up unit is used to detect the angle between pedestal and the test board, and exports detected angle signal;
One controller, this controller have signal input interface and angle shows output interface, and controller is communicated by letter with the angle pick-up unit through signal input interface, and controller is communicated by letter with the angle display through angle demonstration output interface.
3. lining sense of touch comfort test isolated plant according to claim 2, it is characterized in that: said virtual skin layer is the leatheret surface layer.
4. lining sense of touch comfort test isolated plant according to claim 2; It is characterized in that: said hoisting gear comprises lifting support, the drive unit that is installed on the pedestal; Fixed pulley is installed on the top that promotes support; The output terminal of drive unit connects rope winder, and the rope on the rope winder is connected with the test board rear end after upwards walking around fixed pulley.
5. lining sense of touch comfort test isolated plant according to claim 4 is characterized in that: said drive unit is the motor of band speed reduction unit.
6. lining sense of touch comfort test isolated plant according to claim 4; It is characterized in that: also be included in lining is closed drive unit when beginning to glide automatic control module; It comprises that one is arranged on the displacement transducer on the virtual skin layer; Controller has lining downslide control interface and drive controlling interface, and said lining downslide control interface is communicated by letter with the signal output interface of displacement transducer, and the drive controlling interface is communicated by letter with drive unit; Control opens and closes drive unit according to displacement transducer signal by controller.
7. lining sense of touch comfort test isolated plant according to claim 6 is characterized in that: bore the sensor mounting hole that extends and connect virtual skin layer on the said test board, displacement transducer is installed in the sensor mounting hole.
8. lining sense of touch comfort test isolated plant according to claim 2, it is characterized in that: said angle pick-up unit is an angular transducer.
9. lining sense of touch comfort test isolated plant according to claim 2 is characterized in that: also comprise a friction factor display, controller has a friction factor output interface, and this friction factor output interface is communicated by letter with the friction factor display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102647125A CN102818766A (en) | 2012-07-30 | 2012-07-30 | Method and special device for testing touch comfort level of fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102647125A CN102818766A (en) | 2012-07-30 | 2012-07-30 | Method and special device for testing touch comfort level of fabric |
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| CN102818766A true CN102818766A (en) | 2012-12-12 |
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| CN2012102647125A Pending CN102818766A (en) | 2012-07-30 | 2012-07-30 | Method and special device for testing touch comfort level of fabric |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628899A (en) * | 2014-11-05 | 2016-06-01 | 恒源祥（集团）有限公司 | Method for detecting softness of hairiness on surface of clothing and detection apparatus thereof |
| CN106353250A (en) * | 2016-09-27 | 2017-01-25 | 莆田学院 | Laser slope friction coefficient measuring instrument |
| CN112730224A (en) * | 2021-03-16 | 2021-04-30 | 矿冶科技集团有限公司 | Device and method for measuring friction coefficient of geotextile bag |
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| US4646557A (en) * | 1986-02-28 | 1987-03-03 | Kavilco Corporation | Dynamic force measurement system |
| CN2102512U (en) * | 1991-09-28 | 1992-04-22 | 山东省纺织科学研究所 | Measuring instrument for fabric friction coefficient |
| JP2003344192A (en) * | 2002-05-24 | 2003-12-03 | Trinity Lab:Kk | Simple static friction measurement apparatus |
| CN101603916A (en) * | 2009-06-15 | 2009-12-16 | 青岛科技大学 | A kind of measuring friction coefficient of direct-reading temperature-change type high molecular material device and method |
| CN101650295A (en) * | 2008-09-12 | 2010-02-17 | 张硕 | Device and method for measuring maximum static friction coefficient of artificial fish reef |
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Patent Citations (5)
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| US4646557A (en) * | 1986-02-28 | 1987-03-03 | Kavilco Corporation | Dynamic force measurement system |
| CN2102512U (en) * | 1991-09-28 | 1992-04-22 | 山东省纺织科学研究所 | Measuring instrument for fabric friction coefficient |
| JP2003344192A (en) * | 2002-05-24 | 2003-12-03 | Trinity Lab:Kk | Simple static friction measurement apparatus |
| CN101650295A (en) * | 2008-09-12 | 2010-02-17 | 张硕 | Device and method for measuring maximum static friction coefficient of artificial fish reef |
| CN101603916A (en) * | 2009-06-15 | 2009-12-16 | 青岛科技大学 | A kind of measuring friction coefficient of direct-reading temperature-change type high molecular material device and method |
Non-Patent Citations (3)
| Title |
|---|
| JOAN E. SANDERS: "Material properties of commonly-used interface materials and their static coefficients of friction with skin and socks", 《JOURNAL OF REHABILITATION RESEARCH AND DEVELOPMENT》 * |
| 牟光辉: "林木种子静摩擦系数的实验研究", 《东北林业大学学报》 * |
| 翟亚丽: "织物表面静摩擦系数测定仪的研制", 《纺织器材》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628899A (en) * | 2014-11-05 | 2016-06-01 | 恒源祥（集团）有限公司 | Method for detecting softness of hairiness on surface of clothing and detection apparatus thereof |
| CN105628899B (en) * | 2014-11-05 | 2017-11-17 | 恒源祥（集团）有限公司 | A kind of clothing surface filoplume pliability detection method and its detection means |
| CN106353250A (en) * | 2016-09-27 | 2017-01-25 | 莆田学院 | Laser slope friction coefficient measuring instrument |
| CN106353250B (en) * | 2016-09-27 | 2019-10-15 | 莆田学院 | A kind of laser bevel friction coefficient measuring instrument |
| CN112730224A (en) * | 2021-03-16 | 2021-04-30 | 矿冶科技集团有限公司 | Device and method for measuring friction coefficient of geotextile bag |
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Application publication date: 20121212 |