CN205426755U - Fabric pincher trees analytical equipment - Google Patents
Fabric pincher trees analytical equipment Download PDFInfo
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- CN205426755U CN205426755U CN201620183184.4U CN201620183184U CN205426755U CN 205426755 U CN205426755 U CN 205426755U CN 201620183184 U CN201620183184 U CN 201620183184U CN 205426755 U CN205426755 U CN 205426755U
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Abstract
The utility model relates to a fabric test technical field discloses a fabric pincher trees analytical equipment. Including cylinder and pincher trees mechanism, the fabric is around on the cylinder, and the cylinder can be around self axis be rotatory and to drive the fabric rotatory, and pincher trees mechanism oppresses the fabric and forms the pincher trees surface. In addition, fabric pincher trees analytical equipment still include camera shooting mechanism and with camera shooting mechanism communication connection's processing mechanism, camera shooting mechanism's covering power covers at least one border of cylinder side. Camera shooting mechanism is according to the pincher trees surface of the gathering image on cylinder side edge, and finishing mechanism sends image signal. The processing mechanism generates the 3 -D graphic on pincher trees surface according to image signal. This fabric pincher trees analytical equipment not only can reach the corrugated three -dimensional image model of fabric, has low -cost advantage moreover.
Description
Technical field
This utility model relates to fabric test technical field, particularly to a kind of fabric pincher analytical equipment.
Background technology
In daily life, the fabric constituting dress material the most often can be by External Force Acting.These external force may produce the deformation such as irregular fine wrinkle, arch camber at fabric face.These deformation not only damage appearance of fabrics, and can significantly reduce the ruggedness of fabric.And in these deformation, some can be replied naturally, more some cannot be replied.
Having good wrinkle resistance and deformation-recovery ability owing to first-class fabric typically requires, therefore the crease resistant finishing of fabric is one of important indicator of examination fabric quality.
Existing and current crease recovery properties of woven fabrics evaluates many employing outward appearance methods.So-called outward appearance method, it is simply that under standard atmosphere condition, applies predetermined pressure with the device that crumples of standard to fabric to be tested, and keep a period of time, damping fabric to be tested the most under standard atmospheric conditions, shines contrast with three-dimensional with reference to sample by fabric to be tested, evaluates appearance of fabrics to be measured.
Generally, every piece of fabric to be measured is individually graded through the observer of training by the evaluation process of outward appearance method by three, and personal experience according to the observation select with fabric to be measured closest to three-dimensional plastic scale, finally calculate the meansigma methods of every piece of each observed result of fabric.
This method is owing to relying on artificial evaluation, not only higher to evaluation and test environmental requirement, and because anthropic factor exists huge experimental error.
Additionally, in Unite States Standard and China's GB, crease recovery also can be with the method evaluation measuring elastic return angle.But, this method belongs to Indirect evaluation, the most intuitively, it is difficult to the comprehensive condition of evaluation wrinkle.
Utility model content
The purpose of this utility model is to provide a kind of fabric pincher analytical equipment, and this fabric pincher analytical equipment not only can draw the 3-dimensional image model of fabric pincher, and have the advantage of low cost.
In order to solve above-mentioned technical problem, embodiment of the present utility model provides a kind of fabric pincher analytical equipment, and including cylinder and folding mechanism, fabric is around on cylinder, cylinder can rotate around own axes and drive fabric to rotate, and folding mechanism compressing fabric also forms corrugated surface.Additionally, fabric pincher analytical equipment also includes image mechanism and the processing mechanism with image mechanism communication connection, the coverage of image mechanism covers at least one edge of cylinder side.Image mechanism, according to the corrugated surface the collected image on cylinder side edge, sends picture signal to processing mechanism.Processing mechanism generates the 3-D graphic of corrugated surface according to picture signal.
Along with computer technology and the development of image analysis technology, utilize machine vision and digital image processing techniques at field of textiles, can directly obtain the appearance images information of yarn in kind.And image can be converted by computer image processing technology intuitively, characteristic information extraction, thus obtain test result.This method is independent of manually evaluating, and interference factor is less, and processing speed is fast, and cost is relatively low, has good repeatability, and the wrinkle performance that thus be accordingly used in analyzing evaluation fabric has the biggest advantage.And in embodiment of the present utility model, by being around on cylinder by fabric, and making cylinder rotate around own axes, image mechanism only needs the image obtaining cylinder side edge can rebuild the 3-D graphic of corrugated surface when shooting.For comparing traditional image scanning techniques, embodiment of the present utility model can obtain 3-D graphic without arranging multiple camera synchronous scanning, therefore decreases the quantity of camera, equipment cost is greatly saved.Additionally, in embodiment of the present utility model, by fabric is arranged on cylinder so that fabric can automatically complete wrinkleization and detection two step operation in same equipment, avoid when being respectively completed operation, during transfer fabric, pollute the surface condition of fabric.
As preferably, image mechanism includes photographic head and guide rod, and guide rod extended line in the longitudinal direction and the side of cylinder are along tangent.Photographic head is installed on guide rod and photographic head can move on the length direction of guide rod.Can carry out the photographic head of position adjustment at guide rod length direction can be more easily according to the size of fabric and surface test situation adjusting focal length and coverage, and convenient, wide usage is higher.
Further, as preferably, image mechanism also includes power source of finding a view, and power source of finding a view can drive photographic head to move on guide rod, and power source of finding a view communicates to connect with processing mechanism.Utilizing the motion of processing mechanism electric control photographic head, when operation, prosthetic is got involved, and therefore so that test is carried out under conditions of completely isolated, effectively prevents ectocine.
As preferably, fabric pincher analytical equipment also includes backlight, and photographic head is just arranged by backlight, and cylinder is between photographic head and backlight.Utilize backlight can improve the corrugated surface contrast at the image acquired in photographic head, make image become apparent from.
As preferably, folding mechanism also includes and the rolling power source of processing mechanism communication connection, rolls power source and is connected with drum drive, and processing mechanism is additionally operable to control to roll power source and drives cylinder to rotate.Cylinder automatically roll it is also possible that equipment more automatization.
As preferably, folding mechanism includes two pressing plates being respectively sleeved in drum shaft two ends upwards, and wherein, at least a pressing plate is movable pressure plate, and movable pressure plate can oppress fabric jointly along the axially-movable of cylinder and with another pressing plate.Utilizing movable pressure plate can oppress fabric and form effective wrinkle, its principle is simple, with low cost.
Further, as preferably, two pressing plates are all movable pressure plate, and two movable pressure plate can move from the two ends of cylinder to the middle part of cylinder respectively, and meet at the middle part of cylinder.Owing to fabric has directivity, for fabric, can preferably characterize the surface of fabric, the therefore Detection results of gained more reference value for unidirectional compressing from two-way compressing fabric.
It addition, as preferably, folding mechanism also includes oppressing power source and transmission component, transmission component connects compressing power source and movable pressure plate respectively, and compressing power source drives movable pressure plate along the axially-movable of cylinder by transmission component.Utilize compressing power source can realize the Control on Communication to movable pressure plate, improve the automatization level of system.
Further, as preferably, compressing power source can be motor, and transmission component includes the leading screw being connected with motor-driven, and leading screw be arranged in parallel with the axis of cylinder, and movable pressure plate is installed on leading screw.Driven by motor leading screw rotate, movable pressure plate under the drive of leading screw along the axially-movable of cylinder.The transmission combination utilizing motor and leading screw can control the motion of movable pressure plate neatly, and it is with low cost, and realizability is good.
Obviously, as preferably, compressing power source can also be gas bar, and transmission component includes the connecting rod being connected with motor-driven, and movable pressure plate is connected with connecting rod.Gas bar drive connecting rod rotate, movable pressure plate under the drive of connecting rod along the axially-movable of cylinder.The gas bar utilizing linear motion drives connecting rod motion, it is not necessary to change the direction of motion, and during therefore using, mechanical energy loss is lower, and the stability of equipment is more preferable.
Further, as preferably, movable pressure plate includes the second panel-like member that the first panel-like member contacted with fabric is connected with transmission component and is located at the pressure transducer between the first panel-like member and the second panel-like member, pressure transducer communicates to connect with processing mechanism, and pressure transducer sends pressure signal to the pressure of the second panel-like member to processing mechanism according to the first panel-like member detected.Utilize pressure transducer can obtain the pressure fed back to from the first panel-like member, such that it is able to the pressure of fixing quantity movable pressure plate.Further, for the outer surface at movable pressure ring directly arranges pressure spot, owing to panel-like member is to the dispersion of pressure and stepless action, the test structure that the pressure effect between each panel-like member that detects is obtained is more accurate.
The one fabric pincher that embodiment further provides of the present utility model analyzes method, and comprises the steps:
Fabric is around on cylinder；
Cylinder rotates around own axes and drives fabric to rotate；
Folding mechanism compressing fabric also forms corrugated surface；
Image mechanism gathers the corrugated surface image on cylinder side edge, and sends picture signal to processing mechanism；
Processing mechanism generates the 3-D graphic of corrugated surface according to picture signal；
From 3-D graphic, extract the characteristic parameter of described fabric, and draw test result.
Owing to image mechanism only needs the image obtaining cylinder side edge can rebuild the 3-D graphic of corrugated surface when shooting, and according to this 3-D graphic, processing mechanism can directly obtain required characteristic parameter, such as fold angle, crimp height, fold quantity, fold area etc., therefore have and preferably pass judgment on efficiency.For comparing traditional image scanning techniques, embodiment of the present utility model can obtain 3-D graphic without arranging multiple camera synchronous scanning, therefore decreases the quantity of camera, equipment cost is greatly saved.
As preferably, in the step of the 3-D graphic generating corrugated surface at processing mechanism according to picture signal, processing mechanism utilize in following several computational methods according to picture signal any one draw the height coordinate of corrugated surface of each two field picture that image mechanism gathered, and generate threedimensional model according to height coordinate；
The first computational methods, comprises histogram analysis, image segmentation, highly extraction step, particularly:
Histogram analysis: set the fabric to be measured image on cylinder side edge and meet f (x, y), f (x, y) ∈ [0,255], its rectangular histogram is h (i),, owing to there is the image of two objects in the image on cylinder side edge in i ∈ [0,255], namely background and fabric to be measured projection, their intensity profile is close to Gauss distribution.Obtaining the intensity profile of the two subject image respectively, and by method of least square, matching obtains averages and the variance of two distributions: (u1,σ1),(u2,σ2)；
Image is split: according to background and the intensity profile of fabric to be measured, sets threshold valueIn formula, λ is empirical coefficient, t is carried out binary conversion treatment, obtains:
Highly extract: due in image pixel value be the region of 0 be fabric to be measured, scanogram also obtains the boundary contour in region that pixel is 255 and region that pixel is 0, determining the coordinate of every bit on boundary contour, wherein the coordinate along vertical boundary direction is height coordinate.
Above-mentioned various in, x be the abscissa of pixel, y be the vertical coordinate of pixel, f (x, y) be the value of pixel, h (i) be pixel point value be the pixel count of i, t be threshold value, λ is empirical coefficient, u1For the intensity profile average of background, u2For the intensity profile average of fabric to be measured, σ1Intensity profile variance for background；σ2Intensity profile variance for fabric to be measured；
The second computational methods, comprise rim detection and height extraction step, particularly:
Rim detection: utilize edge detection algorithm to calculate boundary contour, wherein, edge detection algorithm can be Marr edge detection method, Sobel operator, Robert operator or Laplace operator etc.；
Highly extracting: scanogram, according to the boundary contour detected, determine the coordinate of every bit on boundary contour, wherein the coordinate along vertical boundary direction is height coordinate；
The third computational methods, comprise promise pause conversion and height extraction step, particularly:
Nuo Dun converts: due to gray scale accumulation with the thickness of fabric to be measured linear, sue for peace (i.e. promise in vertical direction pause conversion) in the projection of vertical direction according to image, obtain image intensity profile in vertical direction；
Highly extract: due to accumulating with the thickness of fabric to be measured is linear of gray scale, by gray scale divided by default proportionality coefficient, obtain height coordinate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model the first embodiment fabric pincher analytical equipment；
Fig. 2 is the module frame chart of this utility model the first embodiment fabric pincher analytical equipment；
Fig. 3 is the schematic diagram of this utility model the second embodiment fabric pincher analytical equipment；
Fig. 4 is the partial schematic diagram of this utility model the 4th embodiment fabric pincher analytical equipment movable pressure plate place part；
Description of reference numerals:
1, cylinder；2, photographic head；3, guide rod；4, backlight；5, pressing plate；51, the first panel-like member；52, the second panel-like member；53, spring；6, leading screw；7 connecting rods；8, gas bar.
Detailed description of the invention
Embodiment one
First embodiment of the present utility model provides a kind of fabric pincher analytical equipment, seeing Fig. 1 and Fig. 2 and combine shown, including cylinder 1 and folding mechanism, fabric is around on cylinder 1, cylinder 1 can rotate around own axes and drive fabric to rotate, and folding mechanism compressing fabric also forms corrugated surface.Additionally, fabric pincher analytical equipment also includes image mechanism and the processing mechanism with image mechanism communication connection, the coverage of image mechanism covers at least one edge of cylinder 1 side.Image mechanism, according to the corrugated surface the collected image on cylinder 1 side edge, sends picture signal to processing mechanism.Processing mechanism generates the 3-D graphic of corrugated surface according to picture signal.
Wherein, image mechanism includes photographic head 2 and guide rod 3, and guide rod 3 extended line in the longitudinal direction and the side of cylinder 1 are along tangent.Photographic head 2 is installed on guide rod 3 and photographic head 2 can move on the length direction of guide rod 3.Can carry out the photographic head 2 of position adjustment at guide rod 3 length direction can be more easily according to the size of fabric and surface test situation adjusting focal length and coverage, and convenient, wide usage is higher.Certainly, photographic head 2 can also be fixedly installed, and this has no effect on the realization of utility model purpose of the present utility model.Additionally, image mechanism also includes power source of finding a view, power source of finding a view can drive photographic head 2 to move on guide rod 3, and power source of finding a view communicates to connect with processing mechanism.Utilizing the motion of processing mechanism electric control photographic head 2, when operation, prosthetic is got involved, and therefore so that test is carried out under conditions of completely isolated, effectively prevents ectocine.Certainly, manual operation is used also to have no effect on the realization of utility model purpose of the present utility model.
In the present embodiment, fabric pincher analytical equipment also includes that photographic head 2 is just arranged by backlight 4, backlight 4, and cylinder 1 is between photographic head 2 and backlight 4.Utilize backlight 4 can improve the corrugated surface contrast at the image acquired in photographic head 2, make image become apparent from.Further, it is also possible to backlight 4 is communicatively connected to processing mechanism, it is achieved the Automated condtrol to fabric pincher analytical equipment.It is noted that backlight 4 can select area source, and it is preferred with square or annular light source.Area source is softer relative to the luminescence of point source, is not easily formed halation just to photographic head 2 time.
In the present embodiment, folding mechanism also includes and the rolling power source of processing mechanism communication connection, and motor is in transmission connection with rolling power source, and processing mechanism is additionally operable to control driven by motor cylinder 1 and rotates.Cylinder 1 automatically roll it is also possible that equipment more automatization.
In the present embodiment, folding mechanism include two be respectively sleeved in cylinder 1 axially on the pressing plate 5 at two ends, wherein, have a pressing plate 5 for movable pressure plate 5, movable pressure plate 5 can oppress fabric jointly along the axially-movable of cylinder 1 and with another pressing plate 5.Utilizing movable pressure plate 5 can oppress fabric and form effective wrinkle, its principle is simple, with low cost.It is noted that the shape of pressing plate 5 can be multiple, as long as the inner ring of pressing plate 5 is circular, can be enclosed within cylinder 1.In the present embodiment as example, select the pressing plate 5 of annular.Annular pressing plate 5 materials demand amount comparatively speaking is minimum, and weight is the lightest.
It addition, in the present embodiment, folding mechanism also includes oppressing power source and transmission component, and transmission component connects compressing power source and movable pressure plate 5 respectively, and compressing power source drives movable pressure plate 5 along the axially-movable of cylinder 1 by transmission component.Utilize compressing power source can realize the Control on Communication to movable pressure plate 5, improve the automatization level of system.
Specifically, in the present embodiment, compressing power source can be motor, and transmission component includes the leading screw 6 being connected with motor-driven, and leading screw 6 be arranged in parallel with the axis of cylinder 1, and movable pressure plate 5 is installed on leading screw 6.Driven by motor leading screw 6 rotates, movable pressure plate 5 under the drive of leading screw 6 along the axially-movable of cylinder 1.The transmission combination utilizing motor and leading screw 6 can control the motion of movable pressure plate 5 neatly, and it is with low cost, and realizability is good.Shown in Figure 1, symmetrically arranged two leading screws 6, so that the motion of pressing plate 5 is more stable, strengthen the reliability of equipment.
During reality, first fabric is wound on cylinder 1, is adjusted the position of photographic head 2 by guide rod 3, so that can clearly and intactly cover at least one edge of cylinder 1 side when photographic head 2 shoots.Then, make movable pressure plate 5 axially-movable along cylinder 1 under the effect of compressing power source, oppress fabric, reset after keeping a period of time, it is possible to obtain the corrugated surface of fabric.While cylinder 1 drives fabric to rotate, fabric can be continuously shot by photographic head 2.The photo process of fitting treatment that these are filmed by processing mechanism, obtains the 3-D view of fabric face.
Along with computer technology and the development of image analysis technology, utilize machine vision and digital image processing techniques at field of textiles, can directly obtain the appearance images information of yarn in kind.And image can be converted by computer image processing technology intuitively, characteristic information extraction, thus obtain test result.This method is independent of manually evaluating, and interference factor is less, and processing speed is fast, and cost is relatively low, has good repeatability, and the wrinkle performance that thus be accordingly used in analyzing evaluation fabric has the biggest advantage.And in the present embodiment, by being around in by fabric on cylinder 1, and making cylinder 1 rotate around own axes, image mechanism only needs the image obtaining cylinder 1 side edge can rebuild the 3-D graphic of corrugated surface when shooting.For comparing traditional image scanning techniques, present embodiment can obtain 3-D graphic without arranging multiple camera synchronous scanning, therefore decreases the quantity of camera, equipment cost is greatly saved.Additionally, in embodiment of the present utility model, by fabric being arranged on cylinder 1 so that fabric can automatically complete wrinkleization and detection two step operation in same equipment, avoid when being respectively completed operation, during transfer fabric, pollute the surface condition of fabric.
Embodiment two
Second embodiment of the present utility model provides a kind of fabric pincher analytical equipment, and the second embodiment and the first embodiment are different, are in place of main difference, and in the first embodiment of the present utility model, compressing power source is motor；And in the second embodiment of the present utility model, shown in Figure 3, compressing power source is gas bar 8, now, transmission component includes that the connecting rod 7 being connected with motor-driven, movable pressure plate 5 are connected with connecting rod 7.Gas bar 8 drives connecting rod 7 to rotate, movable pressure plate 5 under the drive of connecting rod 7 along the axially-movable of cylinder 1.The gas bar 8 utilizing linear motion drives connecting rod 7 to move, it is not necessary to change the direction of motion, and during therefore using, mechanical energy loss is lower, and the stability of equipment is more preferable.
During additionally, due to use leading screw 6, leading screw 6 is usually arranged as parallel with the axis rolled.Now, leading screw 6 likely hinders being formed toward the operation rolling upper winding fabric.And when using gas bar 8, can gas bar 8 and drive link be hidden in space reserved on the back of equipment or shell, thus more preferable equipment is provided to experience.
Embodiment three
3rd embodiment of the present utility model provides a kind of fabric pincher analytical equipment, 3rd embodiment is the further improvement of the first embodiment and the second embodiment, mainly the improvement is that, in the first two embodiment of the present utility model, only one of which pressing plate 5 is movable pressure plate 5, and in the 3rd embodiment of the present utility model, two pressing plates 5 are all movable pressure plate 5.
Particularly, the two movable pressure plate 5 can move from the two ends of cylinder 1 to the middle part of cylinder 1 respectively, and meets at the middle part of cylinder 1.Owing to the braiding of fabric self has directivity, for fabric, can preferably characterize the wrinkling resistance of fabric face, the therefore Detection results of gained more reference value for unidirectional compressing from two-way compressing fabric.
It is noted that two movable pressure plate 5 can pass through two contrary leading screws 6 of direction of rotation and realize, it is also possible to realize by connecting independent gas bar 8 on two movable pressure plate 5 respectively.Concrete implementation mode has multiple, is the most no longer repeated.Certainly, furthermore, it is also possible between two movable pressure plate 5, anticollision mechanism is set.Further improve and prioritization scheme also repeats no more.
Embodiment four
4th embodiment of the present utility model provides a kind of fabric pincher analytical equipment, 4th embodiment is first, second, the further improvement of the 3rd embodiment, mainly the improvement is that, in the 4th embodiment of the present utility model, shown in Figure 4, movable pressure plate 5 includes the first panel-like member 51 contacted with fabric, the second panel-like member 52 of being connected with transmission component and be located at the pressure transducer between the first panel-like member 51 and the second panel-like member 52, pressure transducer communicates to connect with processing mechanism, pressure transducer sends pressure signal to the pressure of the second panel-like member 52 to processing mechanism according to the first panel-like member 51 detected.Utilize pressure transducer can obtain the pressure fed back to from the first panel-like member 51, such that it is able to the pressure of fixing quantity movable pressure plate 5.Further, for the outer surface at movable pressure ring directly arranges pressure spot, owing to panel-like member is to the dispersion of pressure and stepless action, the test structure that the pressure effect between each panel-like member that detects is obtained is more accurate.
Further, in the present embodiment, it is also possible to spring 53 is set between two panel-like members, movable pressure plate 5 is turned to Elastic Contact with contacting of fabric by rigid contact, thus adapts to some test request in particular cases.
Embodiment five
5th embodiment of the present utility model provides a kind of fabric pincher and analyzes method, comprises the steps:
Fabric is around on cylinder 1；
Cylinder 1 rotates around own axes and drives fabric to rotate；
Folding mechanism compressing fabric also forms corrugated surface；
Image mechanism gathers the corrugated surface image on cylinder 1 side edge, and sends picture signal to processing mechanism；
Processing mechanism generates the 3-D graphic of corrugated surface according to picture signal；
From 3-D graphic, extract the characteristic parameter of described fabric, and draw test result.
Owing to image mechanism only needs the image obtaining cylinder 1 side edge can rebuild the 3-D graphic of corrugated surface when shooting, and according to this 3-D graphic, processing mechanism can directly obtain required characteristic parameter, such as fold angle, crimp height, fold quantity, fold area, crease recovery angle etc., therefore has and preferably passes judgment on efficiency.For comparing traditional image scanning techniques, embodiment of the present utility model can obtain 3-D graphic without arranging multiple camera synchronous scanning, therefore decreases the quantity of camera, equipment cost is greatly saved.
In the present embodiment, in the step of the 3-D graphic generating corrugated surface at processing mechanism according to picture signal, processing mechanism utilize in following several computational methods according to picture signal any one draw the height coordinate of corrugated surface of each two field picture that image mechanism gathered, and generate threedimensional model according to height coordinate；
The first computational methods, comprises histogram analysis, image segmentation, highly extraction step, particularly:
Histogram analysis: set the fabric to be measured image on cylinder 1 side edge and meet f (x, y), f (x, y) ∈ [0,255], its rectangular histogram is h (i),, owing to there is the image of two objects in the image on cylinder 1 side edge in i ∈ [0,255], namely background and fabric to be measured projection, their intensity profile is close to Gauss distribution.Obtaining the intensity profile of the two subject image respectively, and by method of least square, matching obtains averages and the variance of two distributions: (u1,σ1),(u2,σ2)；
Image is split: according to background and the intensity profile of fabric to be measured, sets threshold valueIn formula, λ is empirical coefficient, t is carried out binary conversion treatment, obtains:
Highly extract: due in image pixel value be the region of 0 be fabric to be measured, scanogram also obtains the boundary contour in region that pixel is 255 and region that pixel is 0, determining the coordinate of every bit on boundary contour, wherein the coordinate along vertical boundary direction is height coordinate.
Above-mentioned various in, x be the abscissa of pixel, y be the vertical coordinate of pixel, f (x, y) be the value of pixel, h (i) be pixel point value be the pixel count of i, t be threshold value, λ is empirical coefficient, u1For the intensity profile average of background, u2For the intensity profile average of fabric to be measured, σ1Intensity profile variance for background；σ2Intensity profile variance for fabric to be measured；
The second computational methods, comprise rim detection and height extraction step, particularly:
Rim detection: utilize edge detection algorithm to calculate boundary contour, wherein, edge detection algorithm can be Marr edge detection method, Sobel operator, Robert operator or Laplace operator etc.；
Highly extracting: scanogram, according to the boundary contour detected, determine the coordinate of every bit on boundary contour, wherein the coordinate along vertical boundary direction is height coordinate；
The third computational methods, comprise promise pause conversion and height extraction step, particularly:
Nuo Dun converts: due to gray scale accumulation with the thickness of fabric to be measured linear, sue for peace (i.e. promise in vertical direction pause conversion) in the projection of vertical direction according to image, obtain image intensity profile in vertical direction；
Highly extract: due to accumulating with the thickness of fabric to be measured is linear of gray scale, by gray scale divided by default proportionality coefficient, obtain height coordinate.
Claims (8)
1. a fabric pincher analytical equipment, it is characterized in that: include cylinder and folding mechanism, described fabric is around on described cylinder, and described cylinder can rotate around own axes and drive described fabric to rotate, and described folding mechanism is oppressed described fabric and forms corrugated surface；
Described fabric pincher analytical equipment also includes image mechanism and the processing mechanism communicated to connect with described image mechanism, and the coverage of described image mechanism covers at least one edge of described cylinder side；
Described image mechanism, according to the described corrugated surface the collected image on described cylinder side edge, sends picture signal to described processing mechanism；Described processing mechanism generates the 3-D graphic of described corrugated surface according to described picture signal.
Fabric pincher analytical equipment the most according to claim 1, it is characterised in that: described image mechanism includes photographic head and guide rod, and described guide rod extended line in the longitudinal direction and the side of described cylinder are along tangent；
Described photographic head is installed on described guide rod and described photographic head can move on the length direction of described guide rod；
Described fabric pincher analytical equipment also includes that described photographic head is just arranged by backlight, described backlight, and described cylinder is between described photographic head and described backlight.
Fabric pincher analytical equipment the most according to claim 1, it is characterized in that: described folding mechanism includes two pressing plates being respectively sleeved in described drum shaft two ends upwards, wherein, at least a pressing plate is movable pressure plate, and described movable pressure plate can oppress described fabric jointly along the axially-movable of described cylinder and with another pressing plate.
Fabric pincher analytical equipment the most according to claim 3, it is characterised in that: two pressing plates are all movable pressure plate, and two movable pressure plate can move from the two ends of described cylinder to the middle part of described cylinder respectively, and meet at the middle part of described cylinder.
Fabric pincher analytical equipment the most according to claim 3, it is characterized in that: described folding mechanism also includes oppressing power source and transmission component, described transmission component connects described compressing power source and described movable pressure plate respectively, and described compressing power source drives described movable pressure plate along the axially-movable of described cylinder by described transmission component.
Fabric pincher analytical equipment the most according to claim 5, it is characterized in that: described compressing power source is motor, described transmission component includes the leading screw being connected with described motor-driven, and described leading screw be arranged in parallel with the axis of described cylinder, and described movable pressure plate is installed on described leading screw；
Described in described driven by motor leading screw rotate, described movable pressure plate under the drive of described leading screw along the axially-movable of described cylinder.
Fabric pincher analytical equipment the most according to claim 6, it is characterised in that: described compressing power source is gas bar, and described transmission component includes the connecting rod being connected with described motor-driven, and described movable pressure plate is connected with connecting rod；
Described gas bar drive described connecting rod motion, described movable pressure plate under the drive of described connecting rod along the axially-movable of described cylinder.
8. according to the fabric pincher analytical equipment described in any one in claim 5 to 7, it is characterized in that: described movable pressure plate includes the second panel-like member that the first panel-like member contacted with described fabric is connected with described transmission component and is located at the pressure transducer between described first panel-like member and the second panel-like member, described pressure transducer communicates to connect with described processing mechanism, and described pressure transducer sends pressure signal to the pressure of described second panel-like member to described processing mechanism according to the first panel-like member detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620183184.4U CN205426755U (en) | 2016-03-10 | 2016-03-10 | Fabric pincher trees analytical equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620183184.4U CN205426755U (en) | 2016-03-10 | 2016-03-10 | Fabric pincher trees analytical equipment |
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| CN205426755U true CN205426755U (en) | 2016-08-03 |
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| CN201620183184.4U Withdrawn - After Issue CN205426755U (en) | 2016-03-10 | 2016-03-10 | Fabric pincher trees analytical equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628603A (en) * | 2016-03-10 | 2016-06-01 | 上海工程技术大学 | Fabric wrinkle analyzing equipment and fabric wrinkle analyzing method |
| CN109884062A (en) * | 2019-04-09 | 2019-06-14 | 江南大学 | A kind of evaluation method of fabric conformality |
-
2016
- 2016-03-10 CN CN201620183184.4U patent/CN205426755U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628603A (en) * | 2016-03-10 | 2016-06-01 | 上海工程技术大学 | Fabric wrinkle analyzing equipment and fabric wrinkle analyzing method |
| CN105628603B (en) * | 2016-03-10 | 2018-11-27 | 上海工程技术大学 | Fabric pincher analytical equipment |
| CN109884062A (en) * | 2019-04-09 | 2019-06-14 | 江南大学 | A kind of evaluation method of fabric conformality |
| CN109884062B (en) * | 2019-04-09 | 2021-05-14 | 江南大学 | Method for evaluating shape retention of fabric |
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