CN107740232B - Sewing machine broken thread detection device and detection method and sewing machine - Google Patents
Sewing machine broken thread detection device and detection method and sewing machine Download PDFInfo
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- CN107740232B CN107740232B CN201710975277.XA CN201710975277A CN107740232B CN 107740232 B CN107740232 B CN 107740232B CN 201710975277 A CN201710975277 A CN 201710975277A CN 107740232 B CN107740232 B CN 107740232B
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- 238000009958 sewing Methods 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000026676 system process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 12
- 230000006698 induction Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010835 comparative analysis Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/36—Devices for stopping drive when abnormal conditions occur, e.g. thread breakage
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2305/00—Operations on the work before or after sewing
- D05D2305/32—Measuring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The application discloses a sewing machine broken thread detection device, a detection method and a sewing machine, and belongs to the technical field of sewing machines. The device solves the problem that the original broken wire detection device is unsafe to use. The thread breakage detection device for the sewing machine comprises a support, wherein a thread passing port through which threads pass is formed in the support, a circuit board is arranged on the support, and a camera opposite to the thread passing port is arranged on the circuit board. Because in this device, realize judging whether the broken string is realized through the camera, and do not realize through short circuit electrically conductive principle, consequently, this device uses comparatively safely.
Description
Technical Field
The invention belongs to the technical field of sewing machines, and relates to a sewing machine thread breakage detection device and a sewing machine.
Background
The invention discloses a thread breakage detection device of a sewing machine (publication number: CN1962990B, published as 2011.05.04), which comprises a mounting seat and a torsion spring arranged on the mounting seat, wherein one end of the torsion spring is provided with a touch rod, the touch rod is provided with a thread passing hole for a sewing thread to pass through, the mounting seat is also provided with an induction sheet which is insulated from the torsion spring, the torsion spring and the induction sheet are respectively connected with two poles of a power supply through leads, an I/O unit for receiving current signals is also connected in series on a circuit between the torsion spring and the induction sheet, and a control system for judging whether the thread breakage occurs is connected with the I/O unit.
The broken wire detection device is installed on the machine head, the torsion spring and the induction sheet are exposed and are all conductive, and in the actual operation process, the electric leakage condition exists easily, and the broken wire detection device is unsafe.
Disclosure of Invention
The invention provides a sewing machine thread breakage detection device which is safe to use aiming at the problems, and the technical scheme is as follows:
the sewing machine thread breakage detection device comprises a support, wherein a thread passing port through which threads pass is formed in the support.
When the thread breakage detection device is used, a sewing thread penetrates through the thread passing opening in the support, and in the sewing process, the camera on the circuit board shoots the sewing thread to judge whether the thread breakage occurs. Because in this device, realize judging whether the broken string is realized through the camera, and do not realize through short circuit electrically conductive principle, consequently, this device uses comparatively safely.
In addition, according to needs, the device can shoot the pattern of the multi-frame sewing thread through the camera, and the length of the thread can be calculated through system processing.
In the above sewing machine thread breakage detecting device, the support is further provided with an optical lens, the optical lens comprises an imaging part, and the imaging part is positioned between the camera and the thread passing port.
The setting of optical lens formation of image portion for the camera is better to the shooting effect of line, makes the detection effect of this device better.
In the above sewing machine thread breakage detecting device, the support is further provided with an optical lens, the optical lens comprises an auxiliary portion, the circuit board is provided with a light emitting element, and the auxiliary portion is located between the light emitting element and the thread passing port.
The light-emitting component passes through the auxiliary part, shines light on the sewing thread, improves the shooting effect of camera for the detection effect of this device is better.
In the above sewing machine thread breakage detection device, the support comprises a base and a cover, and the circuit board is arranged on the base.
Set up the support and include base and lid for the leakproofness of this device is better, thereby makes the formation of image effect of camera better, improves the detection effect of this device.
The invention also provides a sewing machine thread breakage detection method which is safe to use, and the technical scheme is as follows:
the sewing machine thread breakage detection method is characterized by comprising the following steps:
A. shooting a line by using a camera to obtain an image;
B. the system processes the image and outputs a detection result.
In the sewing machine thread breakage detection method, the thread condition is detected through the camera, so the sewing machine thread breakage detection method is safe to use. The system carries out comparative analysis on the multi-frame images and outputs the detection result.
In the above-described sewing machine thread breakage detection method, in step B, if the image does not change within the time range of T1, the thread breakage result is output.
When detecting whether the sewing thread is broken, a time T1 is preset in the system. When the thread is broken, the sewing thread at the camera is generally still, so that in the time T1 range, if the thread image is always unchanged, the thread breakage condition of the sewing thread is judged, and the system outputs the thread breakage result.
In the above-described sewing machine thread breakage detecting method, in step B, if the image changes within the time range of T2, the result of the thread length for sewing is output.
The method can also detect the length of the used line, namely, the comparison calculation is carried out on the multi-frame images, and the result of the length of the used line is output.
In the above-mentioned sewing machine thread cutting detection method, in the step B, if the image is not changed within the time range of T3, a part of the stored image is erased.
In order to avoid the useless image occupying the storage space, T3 is preset in the system, and part of the stored image is deleted, so that the system is ensured to have enough storage space to store new image data.
The invention also provides a sewing machine safe to use, which adopts the technical scheme as follows:
the sewing machine is characterized by comprising the sewing machine thread breakage detection device.
In the sewing machine, the sewing machine thread breakage detection device is used, so that the sewing machine thread breakage detection device is more convenient to use.
Drawings
FIG. 1 is a schematic view of a structure of a sewing machine thread breakage detecting apparatus;
FIG. 2 is an exploded view of the sewing machine thread breakage detection device;
FIG. 3 is another exploded view of the sewing machine thread breakage detection device;
in the figure, 1, a stent; 11. a wire passing port; 12. a base; 13. a cover; 14. a wire passing frame; 15. a threading opening; 16. a first base; 17. a second base; 2. a circuit board; 3. a camera; 4. an optical lens; 41. an imaging section; 42. an auxiliary part; 5. a light emitting element.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1 to 3, the present sewing machine thread breakage detecting device includes a holder 1. The stand 1 includes a base 12 and a cover 13 fixed to the base 12. The cradle 1 includes a base 12 and a cover 13, and the circuit board 2 is disposed on the base 12. Set up support 1 and include base 12 and lid 13 for the leakproofness of this device is better, thereby makes camera 3's formation of image effect better, improves the detection effect of this device.
Specifically, the base 12 includes a first base 16 and a second base 17, and the circuit board 2 is disposed between the first base 16 and the second base 17. The circuit board 2 is provided with a camera 3 opposite to the wire passing port 11.
The optical lens 4 is further disposed on the bracket 1, and the optical lens 4 includes an imaging portion 41 and an auxiliary portion 42. The imaging part 41 is located between the camera 3 and the wire through port 11, the circuit board 2 is provided with the light emitting element 5, and the auxiliary part 42 is located between the light emitting element 5 and the wire through port 11. The arrangement of the imaging part 41 of the optical lens 4 ensures that the camera 3 has better shooting effect on the used line and the detection effect of the device is better. In addition, the light emitting element 5 irradiates light to the sewing thread through the auxiliary portion 42, so that the shooting effect of the camera 3 is improved, and the detection effect of the device is better.
The support 1 is provided with a thread passing port 11 for a thread to pass through, specifically, the support 1 is provided with two thread passing frames 14, and the thread passing frames 14 are provided with thread passing ports 15. The camera 3 is positioned between the two wire passing frames 14. When in use, sewing threads pass through the threading openings 15 of the two thread passing frames 14 and pass through the thread passing openings 11 on the bracket 1.
When the thread breakage detection device is used, a sewing thread penetrates through the thread passing opening 11 in the support 1, and in the sewing process, the camera 3 on the circuit board 2 shoots the sewing thread to judge whether the thread breakage exists. Because in this device, realize judging whether broken string through camera 3, and not realize through the electrically conductive principle of short circuit, therefore, this device uses comparatively safely. In addition, according to needs, the device can shoot the pattern of the multi-frame sewing thread through the camera 3, and the length of the thread can be calculated through system processing.
The invention also provides a sewing machine thread breakage detection method with safe use, which comprises the following steps:
A. shooting the line by using the camera 3 to obtain an image;
B. the system processes the image and outputs a detection result.
In the step B, if the image is not changed within the time range of T1, the disconnection result is output. In detecting whether the sewing thread is broken, a time T1 is preset in the system. When the thread is broken, the sewing thread at the camera 3 is generally still, so that if the thread image is always unchanged in the time T1, the thread breakage of the sewing thread is judged, and the system outputs the thread breakage result.
In step B, if the image changes within the time range of T2, the length result of the line for output. The method can also detect the length of the used line, namely, the multi-frame image is compared and calculated, and the result of the length of the used line is output.
In step B, if the image is not changed within the time range T3, part of the stored image is erased. In order to avoid the useless image occupying the storage space, T3 is preset in the system, and part of the stored image is deleted, so that the system is ensured to have enough storage space to store new image data. The value of T1 is generally set to be greater than the value of T3.
In the sewing machine thread breakage detection method, the camera 3 is used for detecting the thread condition, so that the sewing machine thread breakage detection method is safe to use. And the system performs comparative analysis on the multi-frame image and outputs a detection result.
The invention also provides a sewing machine safe to use, which comprises the sewing machine thread breakage detection device.
In the sewing machine, the sewing machine thread breakage detection device is used, so that the sewing machine thread breakage detection device is more convenient to use.
Claims (5)
1. The sewing machine thread breakage detection method is characterized by comprising the following steps:
A. shooting a line by using a camera to obtain an image;
B. the system processes the image and outputs a detection result;
in the step B, if the image does not change within the time range of T1, outputting a thread breakage result, presetting time T1 in the system when detecting whether the sewing thread is broken, generally enabling the sewing thread at the camera to be still when the thread is broken, and judging that the sewing thread is broken if the thread image is constantly unchanged within the time range of T1 and outputting the thread breakage result by the system;
in the step B, if the image is changed within the time range of T2, the length result of the used line is output, the method can also detect the length of the used line, namely, the multi-frame image is compared and calculated, and the length result of the used line is output;
in step B, if the image is not changed within the time range of T3, erasing part of the stored image, so as to avoid the useless image occupying the storage space, therefore, T3 is preset in the system, and part of the stored image is deleted, thereby ensuring that the system has enough storage space to store new image data.
2. The method for detecting the broken thread of the sewing machine according to claim 1, wherein the camera is positioned between two thread passing frames, the two thread passing frames are arranged on the bracket, and the sewing thread passes through the threading openings of the two thread passing frames and passes through the thread passing opening on the bracket.
3. The sewing machine thread breakage detection method of claim 2, wherein an optical lens is further arranged on the bracket, the optical lens comprises an imaging part and an auxiliary part, the imaging part is located between the camera and the thread passing port, a light emitting element is arranged on the circuit board, and the auxiliary part is located between the light emitting element and the thread passing port.
4. The sewing machine thread breakage detection method of claim 2, wherein the holder has a base and a cover, and the base includes a first base and a second base.
5. The sewing machine thread breakage detection method of claim 3, wherein the circuit board is disposed between the first base and the second base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975277.XA CN107740232B (en) | 2017-10-16 | 2017-10-16 | Sewing machine broken thread detection device and detection method and sewing machine |
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| CN201710975277.XA CN107740232B (en) | 2017-10-16 | 2017-10-16 | Sewing machine broken thread detection device and detection method and sewing machine |
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| CN107740232A CN107740232A (en) | 2018-02-27 |
| CN107740232B true CN107740232B (en) | 2023-02-28 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000000386A (en) * | 1998-06-15 | 2000-01-07 | Brother Ind Ltd | Sewing machine thread break detector |
| EP1083255A1 (en) * | 1999-09-07 | 2001-03-14 | Pegasus Sewing Machine Mfg. Co., Ltd. | Apparatus for detecting thread breakage in sewing machine |
| JP2002369990A (en) * | 2001-06-15 | 2002-12-24 | Brother Ind Ltd | Sewing machine thread break detector |
| CN104790133A (en) * | 2015-05-11 | 2015-07-22 | 吴江万工机电设备有限公司 | Thread breakage detecting device |
| CN104928837A (en) * | 2015-05-22 | 2015-09-23 | 苏州三立自动化设备有限公司 | Warp knitting machine with thread breakage detection function and thread breakage detection method implemented by aid of warp knitting machine |
| CN106093052A (en) * | 2016-06-03 | 2016-11-09 | 南京航空航天大学 | A kind of broken yarn detection method |
| CN205775193U (en) * | 2016-05-25 | 2016-12-07 | 华中科技大学 | A kind of industrial sewing machine possessing bottom line abnormal detection function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825691B2 (en) * | 1993-10-28 | 1996-03-13 | 福井経編興業株式会社 | Method of detecting thread breakage of warp knitting machine and device used therefor |
| CH697501B1 (en) * | 2004-05-28 | 2008-11-14 | Bernina Int Ag | Apparatus and method for capturing and processing of measured variables in a sewing machine. |
| WO2011027366A1 (en) * | 2009-09-07 | 2011-03-10 | Krishnakumar Srivaikuntam Subbiah | Yarn break monitoring system |
| CN103913467B (en) * | 2014-04-04 | 2017-01-25 | 常州市宏大电气有限公司 | Quilting line breakage detection method based on machine vision |
| CN105716829B (en) * | 2014-12-01 | 2019-08-06 | 深圳超多维科技有限公司 | Spectroscopic device detection system and detection method |
| CN105386174B (en) * | 2015-12-03 | 2017-10-27 | 江南大学 | A kind of stranded detection means of SEILE textile based on image technique and detection algorithm |
-
2017
- 2017-10-16 CN CN201710975277.XA patent/CN107740232B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000000386A (en) * | 1998-06-15 | 2000-01-07 | Brother Ind Ltd | Sewing machine thread break detector |
| EP1083255A1 (en) * | 1999-09-07 | 2001-03-14 | Pegasus Sewing Machine Mfg. Co., Ltd. | Apparatus for detecting thread breakage in sewing machine |
| JP2002369990A (en) * | 2001-06-15 | 2002-12-24 | Brother Ind Ltd | Sewing machine thread break detector |
| CN104790133A (en) * | 2015-05-11 | 2015-07-22 | 吴江万工机电设备有限公司 | Thread breakage detecting device |
| CN104928837A (en) * | 2015-05-22 | 2015-09-23 | 苏州三立自动化设备有限公司 | Warp knitting machine with thread breakage detection function and thread breakage detection method implemented by aid of warp knitting machine |
| CN205775193U (en) * | 2016-05-25 | 2016-12-07 | 华中科技大学 | A kind of industrial sewing machine possessing bottom line abnormal detection function |
| CN106093052A (en) * | 2016-06-03 | 2016-11-09 | 南京航空航天大学 | A kind of broken yarn detection method |
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Effective date of registration: 20230105 Address after: No. 9, Qixing Road, Doumentou Village, Damaiyu Street, Yuhuan City, Taizhou City, Zhejiang Province, 317604 Applicant after: Qixing Intelligent Technology Co.,Ltd. Address before: 310013 Room 5204, Floor 2, Building 70, No. 90, Wensan Road, Xihu District, Hangzhou, Zhejiang Applicant before: HANGZHOU QIXING ROBOT TECHNOLOGY Co.,Ltd. |
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