CN101256154A - Instrument and method for detecting density of numeral textile fabric - Google Patents
Instrument and method for detecting density of numeral textile fabric Download PDFInfo
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- CN101256154A CN101256154A CNA200710037802XA CN200710037802A CN101256154A CN 101256154 A CN101256154 A CN 101256154A CN A200710037802X A CNA200710037802X A CN A200710037802XA CN 200710037802 A CN200710037802 A CN 200710037802A CN 101256154 A CN101256154 A CN 101256154A
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Abstract
The invention discloses a digital fabrics density detector and a testing method, the device includes a host machine, a bracket with a perforation on the end face, which is equipped in front of the host machine, a fabrics amplifying component, a CCD photoelectric coupled device, an image conversion circuit as well as a display apparatus, the test method of the tester includes the following steps: first of all, tiling the fabrics on a flattening table-board; then, placing the digital fabrics density detector on fabrics, switching-on a lighting lamp in the optical system towards the fabrics; regulating brightness of lighting lamp and display screen till the fabrics image is clear; then, putting the edge line of the straight ruler parallel to the non-testing system yarns, selecting a scale line of a straight ruler in alignment with the reticle in the middle of the display screen and uses the reticle as the initial point, rotating a transversal transmission mechanism and moving the optical system, counting the number of yarns within prescribed measurement distance; finally, fetching five test regions on the fabrics randomly, repeating the test steps, figuring out the mean value of thread count.
Description
Technical field
The present invention relates to a kind of Density detector and method of testing, be specifically related to a kind of instrument for detecting density of numeral textile fabric and method of testing.
Technical background
In the fabric warp thread transversely the radical in the unit length be called warp-wise density, the weft yarn radical in the unit length along the longitudinal is called latitudinal density.The two is referred to as Density, and with the weight of fabric, wearing quality, feel and gas penetration potential have very big relation.So measure Density and analyze the important tests that fabric structure is an examination fabric quality.Density is to record how many root yarns with Y511 type Density mirror in 5 centimetres of wide fabrics by government test method standard GB/T 4668-97 regulation, converts the yarn radical in per 10 centimetre lengths then.
The external form of Y511 type Density mirror of the prior art is seen Fig. 1, its primary structure is: one 0～50 millimeter straight steel ruler 30, place one directly over the straight steel ruler 30 only along the magnifier 31 of the seamed edge move left and right of straight steel ruler 30, the center of magnifier 31 is facing to straight steel ruler 30 seamed edges.During test, pick glass is placed on the fabric, testing crew bends down head, and eyes are attached to stare at magnifier 30, on one side then by transverse moving mechanism 35 moving magnifier lentamente, observes and learns the radical of fabric yarn of camera lens demonstration and the distribution situation between yarn and the yarn by heart.The defective of this Density mirror is: only limit to single observation, be difficult for many people's comparisons; Service time is long, causes operating personnel's giddy, dim eyesight and neck acid.Again, in the middle of being equipped with in ruler 30 fronts of millimeter scale (with the same surface level of ruler), draws by this Density mirror the vernier glass 4 that a groove 40 is arranged, groove 40 is vertical with the ruler seamed edge, and the visual field first half that is imaged on magnifier all the time is middle and mobile with magnifier 31, and purpose is with yarn in this groove aligning fabric and the groove on the ruler 30.Use general processing technology, this line width is 0.1～0.15mm, and when the high-density fabric of the diameter that runs into yarn less than 0.1mm, just difficult the aligning is difficult to determine the actual density of fabric.The image of this Density mirror Direct observation fabric is an optical imagery in addition, can not preserve, transmit.
Summary of the invention
The objective of the invention is to is to overcome the deficiencies in the prior art, provide a kind of digital technology of utilizing to show the Density image, accomplish to replace range estimation with instrument, liberate the productive forces, and can be by connecting the textile fabric density tester and the method for testing of other media demonstrations, storage, transmission Density image.
The technical scheme that realizes above-mentioned purpose is: a kind of instrument for detecting density of numeral textile fabric, comprise main frame, be located at carriage, fabric amplifier unit, CCD photoelectric coupled device, image transformation circuit and display device that main frame front end and upper surface are provided with perforation, described fabric amplifier unit comprises that fabric is measured device, had the optical system of enlarging lens and pick-up lens, laterally gear train and Focusing mechanism, wherein: described fabric is measured the ruler that device contains the size scale that magnifier can intercept, and it is located at the front lower of carriage; Described enlarging lens is located in the cylinder successively from bottom to top and measures the vertical mode of device edge line with fabric with same center line with pick-up lens and is arranged on the top that fabric is measured device; Described horizontal gear train comprises that one is located at support, a leading screw, a transmission nut and the setting nut in carriage the place ahead, the a pair of slide opening road that the rear portion of described support vertically is provided with a screw and is positioned at the screw both sides and be arranged in parallel with screw, described leading screw is horizontally set on the front portion of this support, described transmission nut cover is through on the leading screw and with the optical system cylinder side wall and is connected, and described setting nut is located at leading screw one end and is positioned at the support outside; Described Focusing mechanism comprises a pair of slide bar, a screw rod and is positioned at the focus adjustment knob of screw head, described a pair of slide bar passes the slide opening road on the support movably and is fixed on the upper and lower end face of carriage, perforation and screw that described screw rod passes the carriage upper surface spin, described focus adjustment knob is located at the head that screw rod exposes the carriage upper surface, and described support can move up and down along slide bar; Described CCD photoelectric coupled device is located at the upper end of pick-up lens; Described image transformation circuit is arranged in the main frame, and it comprises that being used for the analog signal conversion on the CCD photoelectric coupled device is the modulus conversion chip of the digital signal of display screen acceptance; Described display device is one to be connected the upper surface and the middle LCDs that is provided with a vertical groove of main frame by swinging mounting, is that the textile image that collected by the CCD photoelectric coupled device and ruler scale image are presented on the display screen after by the image transformation circuit conversion.
Above-mentioned instrument for detecting density of numeral textile fabric, wherein, described main frame sidewall is provided with and is used for picture signal is become video signal A V output interface.
Above-mentioned instrument for detecting density of numeral textile fabric, wherein, described AV output interface can connect computing machine or the televisor that the AV card is housed.
Above-mentioned instrument for detecting density of numeral textile fabric wherein, comprises also in the described fabric amplifier unit that a light shield and around the enlarging lens setting is located at the other illuminating lamp of enlarging lens.
Above-mentioned instrument for detecting density of numeral textile fabric, wherein, described image transformation circuit also comprises screen intensity regulating circuit, lighting brightness regulating circuit and electric weight indicating circuit, and the rear that described main frame upper surface is positioned at LCDs is provided with screen intensity and regulates button, lighting brightness adjusting button and electric weight indicator panel.
Above-mentioned instrument for detecting density of numeral textile fabric wherein, also is provided with charging socket and power switch on the described main frame sidewall.
Above-mentioned instrument for detecting density of numeral textile fabric, wherein, the setting nut of described horizontal gear train can be replaced by servomotor.
A kind of method of testing as above-mentioned instrument for detecting density of numeral textile fabric comprises the following steps: at first, and fabric is tiled on the smooth table top; Then, instrument for detecting density of numeral textile fabric is positioned over above the fabric, the illuminating lamp of opening on the optical system makes light source face toward fabric, regulates the brightness of the focal length of pick-up lens, the brightness of regulating illuminating lamp and adjusting display screen, is as the criterion so that textile image is clear; Then, the edge line of ruler is parallel to non-detection system yarn, select the groove of the scale mark align display screens centre on the ruler and make this groove, rotate horizontal gear train moving optical system, at the measuring distance inside counting yarn radical of regulation as starting point; At last, take up an official post at fabric and to get five test zones, repeat above-mentioned testing procedure, the yarn radical in the certain-length that records is converted the radical of the institute's yarn to the 10cm length and calculate mean value through, filling density respectively, the result is accurate to 0.1/10cm.
The method of testing of above-mentioned instrument for detecting density of numeral textile fabric, wherein, in the middle of described starting point was positioned at two one threads, terminal point was positioned on last one thread, and disregarding of 0.25 of less than made 0.5 meter for 0.25～0.75, makes 1 meter more than 0.75; Can not see clearly and count during groove cross-web in the middle of the display screen during every one thread of process, count enable the complete organization number of process, by the fabric tissue analysis or decompose this fabric, determine a yarn radical in the complete organization;
Yarn radical+leftover yarn radical in yarn radical in the measuring distance=complete organization number * one complete organization;
The method of testing of above-mentioned instrument for detecting density of numeral textile fabric, wherein, described focal length can be regulated by the focus adjustment knob in the Focusing mechanism, and described lighting brightness can be regulated button by lighting brightness and regulate, and the brightness of described display screen can be regulated button by screen intensity and regulate.
Instrument for detecting density of numeral textile fabric of the present invention compared with prior art has the following advantages:
1, can be many people's observation analysis simultaneously, avoid Density to observe difference; But the rapid and accurate determination Density has solved that detection efficiency was low in the past, wastes time and energy, personal error and the shortcoming big to people's vision impairment have improved check speed, and single check speed can improve 30% ~ 40%, and can in time provide data to be used for instructing production, improve the quality of products.
2, in the prior art, the test worker that grows up observed one hour continuously, have giddy, dim eyesight phenomenon, and the age was big more, and the time is short more, causes neck acid because of the attitude of observing in addition.Instrument for detecting density of numeral textile fabric of the present utility model adopts 3.5 inches TFT liquid crystal displays, the visual field is big, clear picture, and is furnished with brightness regulation, the long-time observation do not have the dim eyesight phenomenon yet, and again, LCDs can be regulated arbitrarily in level and vertical range, the warranty test personnel observe with the most comfortable attitude, have alleviated the labour intensity of testing crew.
3, utilization internal illumination device and brightness of illumination regulating circuit solved under varying environment light, once mixes up brightness and color and just can reach different fabric color and be reflected in sharpness one on the display screen screen and make peace and offer an explanation the requirement of fabric color.
4, adopt the groove of drawing a wide 0.3mm in the middle of liquid crystal display, vertical fabric is measured the seamed edge of device, because directly do not draw in the middle of the liquid crystal display through amplifying.Yarn in the fabric and the scale mark on the ruler are to image on the liquid crystal display through after amplifying, and its width is greater than 0.3 millimeter, so very convenient aligning.
5, connect computing machine or the televisor that the AV card is housed by the AV interface, the image of observing can be shown on screen; Shown image can be preserved and can printout in printer in that computing machine is medium-term and long-term; Realize that by computer network image transmits at a distance; Connect projector by computing machine and show significantly image.
Description of drawings
Fig. 1 is the structural representation of the Density mirror of prior art;
Fig. 2 is the schematic diagram of instrument for detecting density of numeral textile fabric of the present invention;
Fig. 3 a and Fig. 3 b are the structural representations of instrument for detecting density of numeral textile fabric of the present invention;
Fig. 4 is the sectional view of instrument for detecting density of numeral textile fabric of the present invention.
Embodiment
See also Fig. 2 to Fig. 4, a kind of instrument for detecting density of numeral textile fabric of the present invention comprises main frame 1, fabric amplifier unit, CCD photoelectric coupled device 5, image transformation circuit (not shown) and LCDs 6.Wherein, the front end of main frame 1 is provided with carriage 2; Main frame 1 sidewall is provided with AV output interface 11, charging socket 12 and power switch 13, and AV output interface 11 is used for picture signal is become vision signal, can connect computing machine or televisor that the AV card is housed; The rear that main frame 1 upper surface is positioned at LCDs 6 is provided with screen on-off 14, screen intensity is regulated button 15, lighting brightness adjusting button 16 and electric weight indicator panel 17.The upper surface of carriage 2 has perforation 20.
The fabric amplifier unit comprises that fabric is measured device, had the optical system, light shield 33, illuminating lamp 34 of enlarging lens 31 and pick-up lens 32, laterally gear train 35 and Focusing mechanism 36.Fabric is measured the ruler 30 that device contains the size scale that magnifier 31 can intercept, and ruler 30 is made by steel material, and its scale unit is a millimeter, and its measurement range is the 0-50 millimeter, and it is located at the front lower of carriage 2; Enlarging lens 31 and pick-up lens 32 are located at from bottom to top successively in the cylinder 37 with same center line and measure the top that the vertical mode of ruler 30 edge lines of device is arranged on ruler 30 with fabric; Light shield 33 is provided with around enlarging lens 31; Illuminating lamp 34 is located at light shield 33 tops on enlarging lens 31 sides; Laterally gear train 35 comprises that one is located at support 350, a leading screw 351, a transmission nut 352 and the setting nut 353 in carriage 2 the place aheads; The a pair of slide opening road that the rear portion of support 350 vertically is provided with a screw 354 and is positioned at screw 354 both sides and be arranged in parallel with screw 354; Leading screw 351 is horizontally set on the front portion of this support 350; Transmission nut 352 covers are through on the leading screw 351 and with optical system cylinder 37 sidewalls and are connected; Setting nut 353 is located at leading screw 351 1 ends and is positioned at support 350 outsides, and this setting nut 353 can be replaced by servomotor;
CCD photoelectric coupled device 5 is located at the upper end of pick-up lens 32, and it is made by a kind of semiconductor material of ISO.
Image transformation circuit is arranged in the main frame 1, and it comprises modulus conversion chip, screen intensity regulating circuit, lighting brightness regulating circuit and electric weight indicating circuit.It is the digital signal that LCDs 6 is accepted that modulus conversion chip is used for the analog signal conversion on the CCD photoelectric coupled device 5.The screen intensity regulating circuit generally is to change screen intensity by regulating bias voltage, two kinds of methods of automatic adjusting and manual adjustments are arranged, the former utilizes photosensitive device to detect the brightness that LCDs ambient brightness on every side comes automatic regulator solution crystal display screen, the latter is the comfort manual shift according to human eye, and instrument for detecting density of numeral textile fabric of the present invention is to adopt manual adjustment method.The lighting brightness regulating circuit adopts the little voltage of both ends of lamp of adjusting to change brightness of illumination.Instrument for detecting density of numeral textile fabric of the present invention is to adopt rechargeable lithium battary as the energy, in order to point out how many electric weight in addition, adopts 10 light emitting diodes to form a line and is presented on the electric weight indicator panel 17.
The principle of work of instrument for detecting density of numeral textile fabric of the present invention is:
1. form whole optical imagery by the image of optical system intercepting fabric 7 and the scale image of ruler.Optical imagery is amplified to 10-20 doubly, be projected on the CCD photoelectric coupled device light-sensitive surface, setting nut 353 by rotating horizontal gear train 35 drives the transmission nut 352 on the optical system of being connected on the leading screws, intercepts the image and the pairing ruler scale image of different fabric points.The enlargement ratio of optical system is 10,15,20 times.Two groups of lens in the optical system--enlarging lens 31 and pick-up lens 32, fabric 7 is positioned at outside the enlarging lens 31 object space focal lengths, distance is outside one times of focal length within two times of focal lengths, fabric 7 is exaggerated mirror 31 and zooms into a real image, and by chance is positioned at pick-up lens 32 object space focal length places (or in the place near the object space focal length).Image in CCD photoelectric coupled device 5 by pick-up lens 32 again.
2, the CCD photoelectric coupled device is made by a kind of semiconductor material of ISO, light is transformed into electric charge, a hundreds of thousands sensitization unit is arranged in it, closely rearrange the OBL light-sensitive surface of certain size mutually, when magnifier 31 truncated pictures irradiation light-sensitive surface, each sensitization unit all can produce charge signal, the quantity of electric charge difference that the suffered quantity of illumination difference of each sensitization unit is produced.The signal that all sensitization units produced adds together, constitutes the general image of being made up of the scale image of optical system intercepting textile image and ruler.
3, change-over circuit is that the electric charge on the CCD photoelectric coupled device 5 is become the receptible electric signal of LCDs, and sends into correspondingly on the device of LCDs 6 by the picture position producing electric signal in each sensitization unit.
4, the signal carried according to change-over circuit of LCDs 6 intactly shows the general image of forming by the scale image of magnifier 31 intercepting textile images and ruler on 6 acts of LCDs.The present invention establishes a seamed edge perpendicular to ruler 30 in the middle of liquid crystal display 6, the groove 61 of wide 0.3mm, and purpose is with groove on yarn in these groove 61 aligning fabrics 7 and the ruler 30.
5, by AV interface 11, image is sent into televisor and is further amplified, and sending into the robot calculator image can storage, printout and transmit etc. through network is remote.
Adopt the method for testing of above-mentioned instrument for detecting density of numeral textile fabric, comprise the following steps:
At first, fabric 7 is tiled on the smooth table top.
Then, instrument for detecting density of numeral textile fabric is positioned over above the fabric 7, the illuminating lamp of opening on the optical system 34 makes light source face toward fabric 7, focus adjustment knob 362 in the adjusting Focusing mechanism 36 is to regulate pick-up lens 32 focal lengths in the fabric amplifier unit, regulate illuminating lamp 34 brightness regulation buttons 16 and regulate the brightness of illuminating lamp 34, regulate screen intensity and regulate the brightness that button 15 is regulated display screen 6, with clear being as the criterion of fabric imaging on the display screen 6.
Then, the edge line of ruler 30 is parallel to non-detection system yarn, select the groove 61 of scale mark align display screens 6 centres on the ruler 30 and make this groove 61, rotate horizontal gear train 35 moving optical systems, at the measuring distance inside counting yarn radical of regulation as starting point; In the middle of described starting point was positioned at two one threads, terminal point was positioned on last one thread, and disregarding of 0.25 of less than made 0.5 meter for 0.25～0.75, makes 1 meter more than 0.75; When groove 61 cross-web in the middle of the display screen 6, can not see clearly and count during every one thread of process, count enable the complete organization number of process, by the fabric tissue analysis or decompose this fabric, determine a yarn radical in the complete organization; Yarn radical+leftover yarn radical in yarn radical in the measuring distance=complete organization number * one complete organization.
At last, take up an official post at fabric 7 and to get five test zones, repeat above-mentioned testing procedure, the yarn radical in the certain-length that records is converted the radical of the institute's yarn to the 10cm length and calculate mean value through, filling density respectively, the result is accurate to 0.1/10cm.
Embodiment one: by the instrument for detecting density of numeral textile fabric single machine test.Testing detection person's test or test detection person and retrial detection person by one tests simultaneously.During test, test detection person gets five test zones or/and retrial detection person takes up an official post at fabric simultaneously, record the numerical value in each test zone after, the mean value of peek value is final determined value.Test result can be carried out same procedure test back comparison by retrial detection person and be determined.Then can pass through in allowed band as difference.
By the Density image of above-mentioned unit intercepting, also can connect other display medium and amplify demonstration, image storage, printing demonstration, Projection Display.
Embodiment two: connect computer testing by instrument for detecting density of numeral textile fabric
By test detection person test, also can adopt test detection person and retrial detection person to test simultaneously.Main frame can be selected the above CPU of P2 for use.Operating system is selected WINDOW 9X, WINDOW2000, WINDOW XP etc. for use.Screen resolution is more than 800 * 600.Main frame need be furnished with the AV interface card in addition.During operation, the AV delivery outlet on the invention unit is connected main frame AV interface card input port.Connecting line is selected shielded cable commonly used for use.After the main frame start, on operating system desktop, carry out AV interface card drive software.During test, test detection person takes up an official post at fabric and gets five test zones, record the numerical value in each test zone after, the mean value of peek value is final determined value.Test result can be carried out same procedure test back comparison by retrial detection person and be determined.Then can pass through in allowed band as difference.
The instrument for detecting density of numeral textile fabric unit can operated with the chamber with the computing machine that is connected, the different sensing chamber that also instrument for detecting density of numeral textile fabric unit and the computing machine that is connected can be placed in determines that by computer screen the Density image that shows can be kept in the computer memory to the testing result that need are preserved.
Embodiment three: connect computing machine, printer by instrument for detecting density of numeral textile fabric.By the definite Density image that shows of computer screen, can be by connecting printer prints on paper carrier, as examining report file accompanying drawing or examining report paper document file archives.It is 600 * 600,1200 * 1200,1200 * 2400 color inkjet printer or color laser printers that printer can be selected resolution for use.Paper carrier can be selected 80 gram copy papers for use, also can select common photo paper for use, glossy photo paper, glossy photo paper such as high-quality gloss photo papers, inferior machine-glazed paper, plotting paper, color machine paper.
Embodiment four: connect computing machine, projector by instrument for detecting density of numeral textile fabric.By the definite Density image that shows of computer screen, on screen cloth, analyze investigation for many people by projector projectable.Also can be used for product evaluation meeting, teaching demonstration etc., be applicable to special occasions such as meeting-place, classroom.Required computing machine, projector are conventional specification.
Embodiment five: connect the computer network remote transmission by instrument for detecting density of numeral textile fabric.Behind the Density image of determining to show by computer screen, can pass through the computer network images.Computer network be ADSL, cable broadband or separate the system demodulator transmit each terminal.The image of computer network long-distance transmissions can be dynamic instant test case, also can be static test pattern.
Embodiment six: connect televisor by instrument for detecting density of numeral textile fabric.Connect televisor AV input port by instrument for detecting density of numeral textile fabric unit truncated picture by the AV delivery outlet.Connecting line is selected shielded cable commonly used for use, can analyze investigation for many people, also can be used for product evaluation meeting, teaching demonstration etc., is applicable to special occasions such as meeting-place, classroom.
Embodiment seven: by instrument for detecting density of numeral textile fabric unit on-line measurement Density.To be placed on the loom by the instrument for detecting density of numeral textile fabric unit, enlarging lens is aimed at fabric, leading screw one end in transverse moving mechanism is loaded onto servomotor, and optical system replaces the manual adjustments nut along ruler seamed edge move left and right by driven by servomotor, and can the Long-distance Control servomotor.Textile image is connected televisor, on-line measurement Density by the AV interface.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique, under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (10)
1. instrument for detecting density of numeral textile fabric comprises main frame, is located at carriage, fabric amplifier unit, CCD photoelectric coupled device, image transformation circuit and display device that main frame front end and upper surface are provided with perforation, it is characterized in that,
Described fabric amplifier unit comprises that fabric is measured device, had the optical system of enlarging lens and pick-up lens, laterally gear train and Focusing mechanism, wherein:
Described fabric is measured the ruler that device contains the size scale that magnifier can intercept, and it is located at the front lower of carriage;
Described enlarging lens is located in the cylinder successively from bottom to top and measures the vertical mode of device edge line with fabric with same center line with pick-up lens and is arranged on the top that fabric is measured device;
Described horizontal gear train comprises that one is located at support, a leading screw, a transmission nut and the setting nut in carriage the place ahead, the a pair of slide opening road that the rear portion of described support vertically is provided with a screw and is positioned at the screw both sides and be arranged in parallel with screw, described leading screw is horizontally set on the front portion of this support, described transmission nut cover is through on the leading screw and with the optical system cylinder side wall and is connected, and described setting nut is located at leading screw one end and is positioned at the support outside;
Described Focusing mechanism comprises a pair of slide bar, a screw rod and is positioned at the focus adjustment knob of screw head, described a pair of slide bar passes the slide opening road on the support movably and is fixed on the upper and lower end face of carriage, perforation and screw that described screw rod passes the carriage upper surface spin, described focus adjustment knob is located at the head that screw rod exposes the carriage upper surface, and described support can move up and down along slide bar;
Described CCD photoelectric coupled device is located at the upper end of pick-up lens;
Described image transformation circuit is arranged in the main frame, and it comprises that being used for the analog signal conversion on the CCD photoelectric coupled device is the modulus conversion chip of the digital signal of display screen acceptance;
Described display device is one to be connected the upper surface and the middle LCDs that is provided with a vertical groove of main frame by swinging mounting, is that the textile image that collected by the CCD photoelectric coupled device and ruler scale image are presented on the display screen after by the image transformation circuit conversion.
2. instrument for detecting density of numeral textile fabric according to claim 1 is characterized in that, described main frame sidewall is provided with and is used for picture signal is become video signal A V output interface.
3. instrument for detecting density of numeral textile fabric according to claim 2 is characterized in that, described AV output interface can connect computing machine or the televisor that the AV card is housed.
4. instrument for detecting density of numeral textile fabric according to claim 1 is characterized in that, comprises also in the described fabric amplifier unit that a light shield and around the enlarging lens setting is located at the other illuminating lamp of enlarging lens.
5. according to the described instrument for detecting density of numeral textile fabric of claim 1 to 4, it is characterized in that, described image transformation circuit also comprises screen intensity regulating circuit, lighting brightness regulating circuit and electric weight indicating circuit, and the rear that described main frame upper surface is positioned at LCDs is provided with screen intensity and regulates button, lighting brightness adjusting button and electric weight indicator panel.
6. instrument for detecting density of numeral textile fabric according to claim 1 is characterized in that, also is provided with charging socket and power switch on the described main frame sidewall.
7. instrument for detecting density of numeral textile fabric according to claim 1 is characterized in that the setting nut of described horizontal gear train can be replaced by servomotor.
8. the method for testing as above-mentioned instrument for detecting density of numeral textile fabric according to claim 1 comprises the following steps:
At first, fabric is tiled on the smooth table top;
Then, instrument for detecting density of numeral textile fabric is positioned over above the fabric, the illuminating lamp of opening on the optical system makes light source face toward fabric, regulates the brightness of the focal length of pick-up lens, the brightness of regulating illuminating lamp and adjusting display screen, is as the criterion so that textile image is clear;
Then, the edge line of ruler is parallel to non-detection system yarn, select the groove of the scale mark align display screens centre on the ruler and make this groove, rotate horizontal gear train moving optical system, at the measuring distance inside counting yarn radical of regulation as starting point;
At last, take up an official post at fabric and to get five test zones, repeat above-mentioned testing procedure, the yarn radical in the certain-length that records is converted the radical of the institute's yarn to the 10cm length and calculate mean value through, filling density respectively, the result is accurate to 0.1/10cm.
9. the method for testing of instrument for detecting density of numeral textile fabric according to claim 8 is characterized in that, in the middle of described starting point is positioned at two one threads, terminal point is positioned on last one thread, disregarding of 0.25 of less than made 0.5 meter for 0.25～0.75, makes 1 meter more than 0.75;
Can not see clearly and count during groove cross-web in the middle of the display screen during every one thread of process, count enable the complete organization number of process, by the fabric tissue analysis or decompose this fabric, determine a yarn radical in the complete organization;
Yarn radical+leftover yarn radical in yarn radical in the measuring distance=complete organization number * one complete organization;
10. the method for testing of instrument for detecting density of numeral textile fabric according to claim 8, it is characterized in that, described focal length can be regulated by the focus adjustment knob in the Focusing mechanism, described lighting brightness can be regulated button by lighting brightness and regulate, and the brightness of described display screen can be regulated button by screen intensity and regulate.
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| CN107389692A (en) * | 2017-09-22 | 2017-11-24 | 苏州天键衡电子信息科技有限公司 | A kind of method of work of the image measurer with automatic light filling function |
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| CN110672601A (en) * | 2019-09-06 | 2020-01-10 | 深圳新视智科技术有限公司 | Textile density detection method, device, terminal and storage medium |
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| CN112198159A (en) * | 2020-11-06 | 2021-01-08 | 无锡昌鼎电子有限公司 | Full-automatic semiconductor product testing device |
| CN112822483A (en) * | 2021-01-08 | 2021-05-18 | 重庆创通联智物联网有限公司 | Automatic focusing test method and device, sampling equipment and system |
| CN116168034A (en) * | 2023-04-25 | 2023-05-26 | 深圳思谋信息科技有限公司 | Method, device, equipment and storage medium for detecting defect of knitted fabric |
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2007
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| CN111693680A (en) * | 2020-04-25 | 2020-09-22 | 平顶山神马帘子布发展有限公司 | Method for measuring full-width warp density of gum-dipped cord fabric and method for improving warp density uniformity |
| CN112198159A (en) * | 2020-11-06 | 2021-01-08 | 无锡昌鼎电子有限公司 | Full-automatic semiconductor product testing device |
| CN112822483A (en) * | 2021-01-08 | 2021-05-18 | 重庆创通联智物联网有限公司 | Automatic focusing test method and device, sampling equipment and system |
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