CN203740670U - Automatic fabric edge detecting device - Google Patents
Automatic fabric edge detecting device Download PDFInfo
- Publication number
- CN203740670U CN203740670U CN201420137089.1U CN201420137089U CN203740670U CN 203740670 U CN203740670 U CN 203740670U CN 201420137089 U CN201420137089 U CN 201420137089U CN 203740670 U CN203740670 U CN 203740670U
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- Prior art keywords
- fabric
- module
- edge
- correction motor
- micro controller
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Abstract
The utility model discloses an automatic fabric edge detecting device. The automatic fabric edge detecting device comprises a single-chip microcomputer, an image collector, a USB data line, two optical coupling drive circuits, two signal output lines, two relays, a light source, a deviation correction motor, a case, a fabric inlet idler wheel and a power source. The single-chip microcomputer is installed in the case. The image collector is installed in the case after penetrating through the bottom of the case, and is connected with the single-chip microcomputer through the USB data line. The signal output end of the single-chip microcomputer is connected with the input ends of the two optical coupling drive circuits, and the output ends of the two optical coupling drive circuits are connected with the deviation correction motor through the signal output lines and the relays. The light source is fixedly installed at the lens portion of the image collector. The fabric inlet idler wheel is fixedly installed under the lens of the image collector and fixedly connected with a rotation shaft of the deviation correction motor through a connection shaft. The power source provides power for the device. The automatic fabric edge detecting device is good in adaptability and high in sensitivity, and the automation degree of fabric edge detection is greatly improved.
Description
Technical field
The utility model belongs to field of textile machinery, relates to a kind ofly for surveying the device of fabric edge, refers to particularly a kind of automation edge detection of fabric device.
Background technology
Edge-detecting device plays the vital function of correcting fabric skew in textile industry, its quality to fabric product, and the aspects such as qualification rate and conservation have great significance.Taking carpet industry as example, carpet was that rolling is placed before being delivered into glue spreader, but due to the impact of various factors, the carpet two ends of rolling can not ensure absolute alignment, the radial tension simultaneously forming because of towing feeding, this just causes in the time being delivered into glue spreader, and carpet has small size left and right displacement, and the left and right displacement of carpet can cause glue to be coated on the useless PP cloth in carpet both sides in the time carrying out gluing, cause the raising of glue consumption; In ensuing bonding Gauze part, the left and right displacement of carpet can cause the live part of carpet not adhere to Gauze, causes the decline of conforming product rate simultaneously; In last faller gill part, the displacement of carpet left and right may cause carpet both sides to hang less than pin, thereby in last baking step, occurs the serious consequence of decorative pattern distortion, has greatly affected the qualification rate of product.
At present, the device of surveying for fabric edge mainly contains, the infrared spy of frequency conversion limit device, and photoelectricity is visited limit device, and mechanical contact-type is visited limit device etc.Several edge-detecting devices all have some limitations and weak point above, wherein infrared spy limit device has very high requirement to fabric edge smooth degree, and due to the difference of the specification of fabric, will often move the position of infrared spy limit device to adapt to the fabric of different in width, this has just caused the reduction of device degree of automation; Photoelectricity is visited limit device and is existed equally similar problem, opto-electronic pickup has high sensitivity, the features such as high speed of response, but high sensitivity means lower comformability, and highly standardized requirement to textile raw material specification, with regard to current domestic textile industry raw material sources situation, most of enterprise is in order to reduce costs, can't select the raw material of a certain fixing specification, this has just caused photoelectricity to visit the reduction of limit device Applicable scope; Last mechanical contact-type visit limit device due to epoch early, require with current product design, it exists reaction walking speed slow, low precision, the shortcomings such as easy break-down, are no longer widely used.
Based on above many reasons, therefore still have at present the method for Some Enterprises employing manual deviation rectification, but the method not only increases cost of labor, workflow is single, uninteresting simultaneously, and workman's work efficiency is had a significant impact.Therefore, urgently study one and can adapt to the production requirement of most of enterprise, the while automation edge detection of fabric device of low input again.
Utility model content
In order to solve above-mentioned technical matters, the utility model discloses a kind of strong adaptability, automation edge detection of fabric device with low cost.
The technical scheme that the utility model adopts is: a kind of automation edge detection of fabric device, is characterized in that: comprise micro controller system, image acquisition device, usb data line, optically-coupled driving circuit, output line, relay, light source, correction motor, housing, fabric entrance roller and power supply, described optically-coupled driving circuit, output line, relay is two, and described micro controller system is fixedly mounted on described enclosure interior, and described image acquisition device is through described housing bottom, be fixedly mounted in described housing, be connected with described micro controller system by described usb data line, the mouth of described micro controller system is connected with two described optically-coupled driving circuit input ends respectively, two described optically-coupled driving circuit mouths are connected with described relay respectively by described output line, described correction motor is connected with power supply by described relay, described two relays and power supply, correction loop that motor forms represents respectively motor forward and reverse loop, and described light source is fixedly mounted on described image acquisition device camera lens place, and described fabric entrance roller is fixedly mounted under described image acquisition device camera lens, be fixedly connected with described correction machine shaft by adapter shaft, described power supply for correction motor power is provided.
As preferably, described image acquisition device is high definition industrial camera.
As preferably, described light source is LED light source.
As preferably, described micro controller system is TMS320DM642 type DSP development board.
As preferably, described micro controller system comprises image reading module, Edge extraction module, edge setting-out module, edge horizontal offset computing module and on-off signal output module.
As preferably, described described Edge extraction module comprises image gray processing module and edge extracting module.
As preferably, described edge horizontal offset computing module comprises anastatic water mean place locating module and anastatic water mean place contrast module.
Compared with prior art, advantage of the present utility model is:
1. the high-definition digital industrial camera that the utility model adopts, its temperature to work-site, the factors such as humidity require low, and carry LED light source, and all kinds of photoenvironments are had to good comformability;
2. the high-definition digital industrial camera that the utility model adopts is taken a picture and is had very high resolution, also can accurately respond to the movement that fabric edge is small, highly sensitive;
3. the image processing method formula that the utility model adopts is visited limit, specification to textile is not strict with, and only needs to keep fabric in camera visual range, needn't frequent mobile camera position, greatly improve the degree of automation of device, saved cost of labor.
Brief description of the drawings
Fig. 1: be the structural representation of the utility model embodiment.
Fig. 2: be the fundamental diagram of the utility model embodiment.
Fig. 3: be the DSP development board image processing flow chart of the utility model embodiment.
Detailed description of the invention
Understand and enforcement the utility model for the ease of those of ordinary skill in the art, below in conjunction with drawings and Examples, the utility model is described in further detail, should be appreciated that exemplifying embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
Ask for an interview Fig. 1, the technical scheme that the utility model adopts is: a kind of automation edge detection of fabric device, it is characterized in that: comprise micro controller system 1, high definition industrial camera 2, usb data line 3, optically-coupled driving circuit 4, relay 5, LED light source 6, correction motor 7, housing 8, fabric entrance roller 9, output line 11 and power supply 12, micro controller system 1 comprises image reading module, Edge extraction module, edge setting-out module, edge horizontal offset computing module and on-off signal output module, described Edge extraction module comprises image gray processing module and edge extracting module, described edge horizontal offset computing module comprises anastatic water mean place locating module and anastatic water mean place contrast module, optically-coupled driving circuit 4 is two, micro controller system 1 is fixedly mounted on housing 8 inside, high definition industrial camera 2 is through housing 8 bottoms, be fixedly mounted in housing 8, be connected with micro controller system 1 by usb data line 3, the mouth of micro controller system 1 is connected with two optically-coupled driving circuit 4 input ends respectively, two optically-coupled driving circuit 4 mouths are connected with correction motor 7 with relay 5 by output line 11, correction motor 7 is connected with power supply 12 by relay 5, two relays 5 and power supply 12, correction motor 7 form loop and represent respectively motor forward and reverse loop, LED light source 6 is fixedly mounted on high definition industrial camera 2 camera lens places, fabric entrance roller 9 is fixedly mounted under high definition industrial camera 2 camera lenses, be fixedly connected with 7 rotating shafts of correction motor by adapter shaft, power supply for correction motor 7 power is provided, all the other dsp boards 1, high definition industrial camera 2, optically-coupled driving circuit 4, LED light source 6 power packs repeat no more herein.
Ask for an interview Fig. 2, principle of work of the present utility model is:
In the time that fabric entrance roller 9 brings into operation, fabric 10 passes between fabric entrance roller 9 and high definition industrial camera 2, and high definition industrial camera 2 starts fabric on it 10 to take pictures continuously, constantly obtains two adjacent picture A and B.
In the time of fabric 10 normal operation, micro controller system 1 does not send any on-off signal, and now relay 5 is in off-state, and correction motor 7 power supplys are obstructed, keep quiescence.
When fabric 10 is during to fabric entrance roller 9 outer side shifting, micro controller system 1 draws the fabric 10 edge offset amounts in photo by contrast picture A and B, again by the focal length of camera 2, object distance and image distance calculate fabric 10 side-play amounts in reality, the now positive rotaring signal of motor after the 4 output amplifications of optically-coupled driving circuit, repeat circuit 5 conductings of motor forward loop, drive correction motor 7 forwards, fabric entrance roller 9 moves to the inside, until the fabric 10 edge offset amounts that calculate in picture A and B are 0, optically-coupled driving circuit 4 stops output signal, correction motor 7 quits work.
When fabric 10 is during to fabric entrance roller 9 medial movement, micro controller system 1 draws the fabric 10 edge offset amounts in photo by contrast picture A and B, again by the focal length of camera 2, object distance and image distance calculate fabric 10 side-play amounts in reality, the now motor reversal signal after the 4 output amplifications of optically-coupled driving circuit, repeat circuit 5 conductings of motor reversal loop, drive correction motor 7 to reverse, fabric entrance roller 9 moves laterally, until the fabric 10 edge offset amounts that calculate in picture A and B are 0, optically-coupled driving circuit 4 stops output signal, correction motor 7 quits work.
Ask for an interview Fig. 3, the image treatment scheme of the DSP development board of the present embodiment is:
Step 1: obtain adjacent image data;
Step 2: to obtained adjacent image data gray processing processing;
Step 3: adjacent picture after treatment is carried out to edge extracting;
Step 4: adjacent image edge position versus;
Step 5: judgement, does adjacent image edge position change?
If not, described step 1 is carried out in revolution;
If so, continue to carry out following step 6;
Step 6: output switching signal;
Step 7: optically-coupled driving circuit amplifying signal;
Step 8: correction motor is started working, and described step 1 is carried out in revolution;
Step 9: judgement, does is adjacent image edge side-play amount 0?
If not, described step 8 is carried out in revolution;
If so, the motor of rectifying a deviation quits work.
Although more used the terms such as TMS320DM642 type DSP development board 1, high definition industrial camera 2, usb data line 3, optically-coupled driving circuit 4, relay 5, LED light source 6, correction motor 7, housing 8, fabric entrance roller 9 output lines 11 and power supply 12 herein, do not got rid of the possibility that uses other terms.Use these terms to be only used to describe more easily essence of the present utility model, they are construed to any additional restriction is all contrary with the utility model spirit.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; can not therefore think the restriction to the utility model scope of patent protection; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing from the scope situation that the utility model claim protects; can also make and replacing or distortion, within all falling into protection domain of the present utility model, request protection domain of the present utility model should be as the criterion with claims.
Claims (7)
1. an automation edge detection of fabric device, it is characterized in that: comprise micro controller system (1), image acquisition device (2), usb data line (3), optically-coupled driving circuit (4), relay (5), light source (6), correction motor (7), housing (8), fabric entrance roller (9), output line (11) and power supply (12), described optically-coupled driving circuit (4) is two, described micro controller system (1) is fixedly mounted on described housing (8) inside, described image acquisition device (2) is through described housing (8) bottom, be fixedly mounted in described housing (8), be connected with described micro controller system (1) by described usb data line (3), the mouth of described micro controller system (1) is connected with described two optically-coupled driving circuits (4) input end respectively, described two optically-coupled driving circuits (4) mouth is connected with described correction motor (7) with described relay (5) by described output line (11), two relays (5) and power supply (12), correction motor (7) form loop and represent respectively motor forward and reverse loop, described light source (6) is fixedly mounted on described image acquisition device (2) camera lens place, described fabric entrance roller (9) is fixedly mounted under described image acquisition device (2) camera lens, be fixedly connected with described correction motor (7) rotating shaft by adapter shaft, described power supply (12) provides power by described relay (5) for described correction motor (7).
2. automation edge detection of fabric device according to claim 1, is characterized in that: described image acquisition device (2) is high definition industrial camera.
3. automation edge detection of fabric device according to claim 1, is characterized in that: described light source (6) is LED light source.
4. automation edge detection of fabric device according to claim 1, is characterized in that: described micro controller system (1) is TMS320DM642 type DSP development board.
5. according to the automation edge detection of fabric device described in claim 1 or 4, it is characterized in that: described micro controller system (1) comprises image reading module, Edge extraction module, edge setting-out module, edge horizontal offset computing module and on-off signal output module.
6. automation edge detection of fabric device according to claim 5, is characterized in that: described described Edge extraction module comprises image gray processing module and edge extracting module.
7. automation edge detection of fabric device according to claim 5, is characterized in that: described edge horizontal offset computing module comprises anastatic water mean place locating module and anastatic water mean place contrast module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137089.1U CN203740670U (en) | 2014-03-25 | 2014-03-25 | Automatic fabric edge detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137089.1U CN203740670U (en) | 2014-03-25 | 2014-03-25 | Automatic fabric edge detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203740670U true CN203740670U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420137089.1U Expired - Fee Related CN203740670U (en) | 2014-03-25 | 2014-03-25 | Automatic fabric edge detecting device |
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| Country | Link |
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| CN (1) | CN203740670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832855A (en) * | 2014-03-25 | 2014-06-04 | 湖北工业大学 | Automatic fabric edge-detecting device |
| CN110775688A (en) * | 2019-11-08 | 2020-02-11 | 重庆东登科技有限公司 | Coiled material detecting system that rectifies based on image |
-
2014
- 2014-03-25 CN CN201420137089.1U patent/CN203740670U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832855A (en) * | 2014-03-25 | 2014-06-04 | 湖北工业大学 | Automatic fabric edge-detecting device |
| CN110775688A (en) * | 2019-11-08 | 2020-02-11 | 重庆东登科技有限公司 | Coiled material detecting system that rectifies based on image |
| CN110775688B (en) * | 2019-11-08 | 2021-07-09 | 重庆东登科技有限公司 | Coiled material detecting system that rectifies based on image |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20170325 |