CN108691045A - A kind of the spun yarn Yarn break checkout gear and its method of view-based access control model detection - Google Patents
A kind of the spun yarn Yarn break checkout gear and its method of view-based access control model detection Download PDFInfo
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- CN108691045A CN108691045A CN201810991639.9A CN201810991639A CN108691045A CN 108691045 A CN108691045 A CN 108691045A CN 201810991639 A CN201810991639 A CN 201810991639A CN 108691045 A CN108691045 A CN 108691045A
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000009987 spinning Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
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- 238000004804 winding Methods 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention is moved back and forth by using the effect control video camera of screw structure, the picture at least one yarn region is shot, binary conversion treatment judges the case where whether yarn region occurs yarn breakage, and it alarms in time, so that staff knows in time, timely processing improves production efficiency, improve the quality of production, and a video camera can control multiple yarn regions, expand detection range, reduce production cost.
Description
Technical field
The invention belongs to technical field of spinning equipment, more particularly, to a kind of vision-based detection spun yarn being used for away frame spinning frame
Yarn break checkout gear and its method.
Background technology
In walking frame spinning frame, it is that creel moves reciprocatingly to walk frame spinning frame at work, and drawing-off and twisting exist
Horizontal direction carries out, and twists and winding process is not carried out at the same time, that is, is not wound when twisting, winding when is not added with
It twists, usually rove is sent into draft mechanism drawing-off, the yarn after drawing-off enters wire loop twisting by twizzle again, and will add
Yarn winding after twirl is on a bobbin.During twisting, since wire loop makees high speed time to yarn on rings in tow
Turn, so often there is yam breakage phenomena.The mode of prior art detection spun yarn broken yarn usually has mechanical, electrical contact
Formula, air pressure be contactless, photoelectric non-contact type and temperature sensing formula etc., mechanical because there is action sensitivity low, easy to wear etc. scarce
Point is eliminated, and electrical contact formula often will appear contact due to the influence of the factors such as the oxidizable dirt of cotton in addition of conductive rod, flyings accumulation
Bad phenomenon, thus control failure and replaced by air pressure, photoelectricity and temperature etc. are contactless.But each spinning spindle position configuration
One sensor, it is with high costs, it additionally needs and manually makes an inspection tour back and forth, labor intensity is high.
Invention content
The present invention provides a kind of spun yarn Yarn break checkout gear of view-based access control model detection in the prior art insufficient,
It can timely and conveniently monitor the spindle position of Yarn break.
The technical scheme is that be accomplished by the following way.
A kind of spun yarn Yarn break checkout gear of view-based access control model detection, including walk frame spinning frame, master controller, calculate it is mechanical, electrical
Source and moving camera shooting device, Computer, power supply and master controller are electrically connected, walk frame spinning frame include guide rail bracket and with
The vertically disposed spool rack device of guide rail bracket and spindle frame device limit a yarn region per adjacent two guide rail bracket, it is thin to walk frame
Yarn machine includes at least one yarn region, it is characterised in that:The position of each spindle is equipped with alarm on spindle frame device, report
Alert device is connect with master controller;Moving camera shooting device includes:With the first inverted L shape supporting rack and the second inverted L shape supporting rack, it is all provided with
It sets in the same side of spindle frame device and has a certain distance, it is solid that the top end part of the first inverted L shape supporting rack is provided with first
Reservation is provided with the second fixed seat in the top end part of the second inverted L shape supporting rack, and the first polished rod, leading screw and the second polished rod are successively
Side-by-side horizontal is placed, and both ends are separately positioned in the first fixed seat and the second fixed seat, and the is arranged at the top of camera holder
One polished rod, leading screw and the second polished rod;Video camera is installed in the bottom of camera holder, the head of video camera downward, in the second fixed seat
Motor is installed simultaneously, camera holder is equipped with the screw thread coordinated with the lead screw, and leading screw is connect with motor by shaft coupling, motor,
Video camera is electrically connected with master controller.
Further, it is equipped at least one linear groove on the second polished rod, is rectangle in the end set of each linear groove
Slot, rectangular channel is interior to be fixed with pressure sensor by spring, and pressure sensor protrudes the second polished rod polished rod surface, and each pressure passes
Sensor corresponds to a corresponding yarn region, and pressure sensor and microprocessor are electrically connected, microprocessor and master controller
It is electrically connected.
Further, alarm includes sound-producing device and light-emitting device.
Further, the first inverted L shape supporting rack and the second inverted L shape supporting rack are the adjustable telescoping mechanism of short transverse.
Further, the first inverted L shape supporting rack and the second inverted L shape are the adjustable telescoping mechanism in lateral length direction.
Further, master controller PLC.
It is a kind of to use a kind of spun yarn broken yarn detection side of the spun yarn Yarn break checkout gear of view-based access control model detection as described above
Method, it is characterised in that:It has steps of:
(1) adjusts the position relationship between the first and second inverted L shape supporting racks according to the region for wanting detection, installs camera shooting
Machine, camera holder, leading screw, the first polished rod, the second polished rod, the first fixed seat, the second fixed seat, motor and microprocessor;Camera shooting
Machine is arranged in one end of leading screw;
(2) main controller controls motor rotates, and is moved on lead screw to control video camera;
(3) touches the pressure sensor in yarn region when video camera moves, and pressure sensor generates pressure signal, will press
Force signal is transferred to microprocessor, and microprocessor is transferred to master controller after handling pressure signal, master controller receives pressure
Force signal, control motor stop the rotation of leading screw so that video camera stops at the position of pressure sensor;
(4) master controllers start video camera and are shot, video camera by pre-set time interval to the a-quadrant of yarn into
The time overall length of row Image Acquisition, shooting is more than the period that spool rack device moves back and forth, and sends photographed frame picture to master control
Device processed filters out spool rack device with spindle frame device apart from farthest frame picture from photographed frame picture;
(5) carries out binary conversion treatment to the frame picture filtered out, and white point is yarn, and stain is background, if having vertical white area
Domain between spindle frame device and spool rack device continued presence and its be more than minimum diameter, then it is assumed that the yarn is unbroken,
If there is a vertical white area to be less than minimum diameter in certain between spindle frame device and spool rack device, then it is assumed that yarn
Thread breakage;
(6) master controllers are which one thread is broken by counting judgement successively, to find out corresponding spindle, according to main control
The number for each spindle to each yarn region being previously stored in device and corresponding alarm, main controller controls
Corresponding alarm triggering;
(7) is in step(4)In, if not detecting the yarn of fracture in the yarn region, master controller is according to timer, meter
When device be stopped from video camera because of pressure signal from, timing has been subjected to preset time, and main controller controls motor makes camera shooting
Machine is moved along leading screw towards next yarn region.
Specifically, master controller is PLC, the reciprocal fortune of control video camera is write in advance according to the yarn region to be detected
Dynamic program, when control video camera lives through pressure sensor identical with the yarn number of regions that detects of needs, video camera into
Row rotary motion.
The method have the benefit that:The present invention is back and forth transported by using the effect control video camera of screw structure
It is dynamic, the picture at least one yarn region is shot, binary conversion treatment judges whether yarn region occurs the feelings of yarn breakage
Condition, and alarm in time so that staff knows that timely processing improves production efficiency in time, improves the quality of production, and
And a video camera can control multiple yarn regions, expand detection range, reduce production cost.
Description of the drawings
Fig. 1, Fig. 5 are the structural schematic diagram for walking frame spinning frame of the present invention.
Fig. 2, Fig. 6 are the structural schematic diagram of the moving camera shooting device of the present invention.
Fig. 3 is the systematic schematic diagram of the detection device of the present invention.
Fig. 4 is the structural schematic diagram of the second polished rod of the present invention.
Specific implementation mode
Technical scheme of the present invention is specifically illustrated with reference to specific embodiment and attached drawing.
In conjunction with Fig. 1 and Fig. 5, it is of the invention walk frame spinning frame using it is in the prior art walk frame spinning frame, operation principle
Also with it is in the prior art walk frame spinning frame it is identical.It includes spool rack device 1, spindle frame device 2 and guide rail to walk frame spinning frame
Frame 4.There is evenly distributed spindle, spool rack device 1 to move reciprocatingly in guide rail bracket 4, rove is twisted on spindle frame device 2
Yarn afterwards is wrapped on the roller of spindle.It is a series of yarns, each spindle between spool rack device 1 and spindle frame device 2
On correspond to an one thread 5.Guide rail bracket 4 and spool rack device 1, spindle frame device 2 are vertical, the arrangement of 4 uniform intervals of guide rail bracket,
So that walking frame spinning frame separates tetra- regions region a, b, c, d shown in multiple regions, such as Fig. 5, each region is formed
One group of yarn.From it is in the prior art walk frame spinning frame it is different, the present invention is fitted with an alarm in the position of each spindle
Device 3, alarm 3 include sound-producing device and light-emitting device, display lamp and buzzer, when detecting that the yarn on corresponding spindle is disconnected
When splitting, system just controls the display lamp on the spindle position and shines, and can be luminous always or flashing, while adjoint
The sound for buzzer is quickly found out the position broken down convenient for worker.
Fig. 2 illustrates moving camera shooting device of the present invention, and in conjunction with as shown in Fig. 2, Fig. 6, two inverted L shape supporting racks 13a and 13b divide
The same side for being placed on spindle frame device 2 is opened, the top end part of the first inverted L shape supporting rack 13a is provided with the first fixed seat 9a,
The top end part of second inverted L shape supporting rack 13b is provided with the second fixed seat 9b, the first polished rod 8a, leading screw 7 and the second polished rod 8b
Side-by-side horizontal is placed successively, and both ends are separately positioned on the first fixed seat 9a and the second fixed seat 9b, the top of camera holder 6
It is arranged in the first polished rod 8a, leading screw 7 and the second polished rod 8b.The bottom of camera holder 6 is installed by video camera 11, the head of video camera 11
It is shot downward, video camera 11 can be industrial camera commonly used in the prior art, can also be visual sensor.Second
Motor 10 is installed simultaneously, motor 10 can also be mounted on the second supporting rack of falling inverted L shape 13b, the peace of motor on fixed seat 9b
Holding position can also be mounted on other positions, as long as the rotation of leading screw 7 can be controlled.Camera holder 6 is equipped with matches with the lead screw 7
The screw thread of conjunction, when lead screw 7 rotates, camera holder 6 moves horizontally movement;The lead screw 7 passes through shaft coupling 19 with the motor
Connection, and driven and rotated by the motor 10, and then the video camera 11 is driven to move.
In conjunction with Fig. 4 and Fig. 2, it is equipped with by an at least linear groove in the second polished rod 8b, is in the end set of each linear groove
Rectangular channel is fixed with pressure sensor 14 in rectangular channel by spring, and pressure sensor 14 protrudes the surface of the second polished rod, and
Because spring is pressed back into rectangular channel when camera holder 6 moves through, pressure sensor is detected by certain pressure, impression
Pressure signal is transferred to microprocessor 12 by the pressure sensor 14 to pressure by the data line in wire casing, and microprocessor 12 is right
Each pressure sensor, which is equipped with, has numbered trigger, and it is which pressure sensor 14 that can distinguish, and microprocessor 12 is same
It is arranged on the second inverted L shape supporting rack 13b.Certainly, microprocessor 12 can also be not arranged in the second inverted L shape supporting rack 13b, can
To be arranged in other positions, such as the first inverted L shape supporting rack 13b, as long as the signal of pressure sensor can be received.
A pressure sensor is respectively set in middle section corresponding to each silk thread region on the second polished rod 8b, when video camera moves
Formula just contact pressure sensor, pressure sensor just generate pressure signal, and can know that video camera is according to pressure signal claps
The good bit selecting for taking the photograph the silk thread region is set, and is shot to control video camera 11.
In the present invention, the distance between the first supporting rack of falling inverted L shape 13a and the second supporting rack of falling inverted L shape 13b are according to need
It sets, if such as being intended to video camera 11 and shooting a yarn region a, the first inverted L shape supporting rack 13a and the second inverted L shape branch
The distances of support 13b between the two are just the length of a yarn region a, if it is desired to two yarn region a of the shooting of video camera 11,
The distance of b, the first inverted L shape supporting rack 13a and the second inverted L shape supporting rack 13b between the two can be region a, b length
Summation, and so on, it is desirable to three regions are shot, length is the summation of three zone lengths, shoots four regions, and length is
The summation of four zone lengths.The length of first polished rod 8a, leading screw 7 and the second polished rod 8b and the first inverted L shape supporting rack 13a and
Second inverted L shape supporting rack 13b is consistent, and is clapped in this way, video camera 11 can slide into relevant range on leading screw 7
It takes the photograph.The height of video camera 11 from the ground is preferably capable of the yarn in a region all in coverage, therefore inverted L shape branch
The structure of support 13a, 13b can take adjustable for height structure.According to an embodiment of the invention, inverted L shape support can also be adjusted
The lateral length of frame 13a, 13b make video camera in the top or surface in yarn region, are conducive to the range of shooting.The present invention
L-type support frame 13a, 13b height adjustable structure and lateral length adjustable structure may be used the prior art China
Regulating mechanism, such as common telescoping mechanism.
Fig. 3 is the systematic schematic diagram of the detection device of the present invention, in figure 3, there is master controller 15, power supply 17 to calculate
Machine 16, motor 10, microprocessor 12, video camera 11 and alarm system 18 are electrically connected with master controller 15 respectively.Wherein, it reports
Alert system is made of a series of alarms 3 mounted on each spindle position.
The operation principle of detection device of the present invention is as follows, by taking video camera shoots two yarn region a and b as an example.Adjust inverted L
Position relationship between type supporting rack 13a, 13b installs video camera 11, camera holder 6, leading screw 7, the first polished rod 8a, the second light
Bar 8b, the first fixed seat 9a, the second fixed seat 9b, motor 10 and microprocessor 12.Assuming that video camera 11 is first in the areas yarn a
Domain, motor 10 is according to the control of master controller 15, rotating threaded shaft 7 so that video camera 11 moves on leading screw 7 towards the regions yarn b
Dynamic, when video camera 11 moves, in the pressure sensor 14 in the regions yarn a, the generation pressure signal of pressure sensor 14 will for touching
Pressure signal is transferred to microprocessor 12, and microprocessor 12 is transferred to master controller 15, master controller after handling pressure signal
For PLC controller, master controller 15 receives pressure signal, on the one hand controls the rotation that motor stops leading screw 7 so that video camera
15 stop at the position of pressure sensor 14, while master controller 15 starts video camera 11 and shot, and video camera 11 is by advance
The time interval of setting carries out Image Acquisition to the a-quadrant of yarn, and the time overall length of shooting is moved back and forth more than spool rack device 1
Period, send photographed frame picture to master controller, spool rack device 1 and spindle frame device filtered out from photographed frame picture
2 apart from farthest frame picture, i.e., at this time spool rack device 1 not on guide rail bracket 4 but in the position of 4 end of guide rail bracket.Pass through
Set gray threshold, will be converted to the binary signal of yarn with the picture signal that gray-scale intensity changes, calculate bianry image (
When yarn is vertical in the picture), white point is yarn, and stain is background), each vertical yarn is detected, if having
Vertical white area between spindle frame device 2 and spool rack device 1 continued presence and its be more than minimum diameter, then it is assumed that should
Yarn is unbroken, if there have a vertical white area to be less than in certain between spindle frame device 2 and spool rack device 1 to be minimum
Diameter, then it is assumed that yarn breakage.When judging the case where yarn breakage occur, with the regions yarn a that guide rail bracket 4 limits, main control
Device 15 is which one thread is broken by counting judgement successively, to find out corresponding spindle, due to depositing in advance in the host controller
Correspondence is numbered in each spindle to each region in storage, knows it is the regions a by the triggering of pressure sensor, according to
Being which count yarn is broken is known to the counting of yarn in the regions a, it is prior according to spindle position to judge the position of spindle
It corresponds and stores with alarm 3, master controller 15 controls corresponding alarm triggering, and alarm 3 includes display lamp and buzzing
Device, display lamp shine, and can be continuous illumination or flashing, and the sound of simultaneous buzzer is quick convenient for worker
Find the position broken down.Display lamp can be LED light.
After the completion of 11 shooting time of video camera, if not detecting that the yarn of fracture, master controller have in the regions yarn a
Timer, from being stopped from video camera 11 because of pressure signal, by preset time, master controller 15 controls motor 10 again to be made
It obtains video camera to move towards the regions yarn b along leading screw 7, after the pressure sensor 14 in the regions b detects pressure signal, by it
It is sent to microprocessor 12, microprocessor 12 sends a signal to master controller 15, main controller controls motor 10 by processing
It is out of service, and video camera 11 is opened, video camera is according to time interval progress picture collection, specific process and in yarn a
The process in region is identical, to whether investigate out the regions b by yarn breakage, that one thread fracture, to the corresponding alarm of triggering
Device.If the yarn of fracture is not found in the regions yarn b yet, by preset time, master controller 15 controls motor 10 and starts again, electricity
Machine 10 drives the rotation of 7 negative direction of leading screw, video camera 11 back to be moved towards the regions yarn a along the direction of leading screw 7 again.It takes the photograph as a result,
Camera 11 can move reciprocatingly on leading screw 7, check the regions silk thread a and the regions silk thread b.Since master controller is
PLC controller can be arranged that video camera movement path how long controls motor reversal video camera is back moved again in advance, such as
Video camera is placed on to one end of leading screw first, detects the quantity in yarn region to be as needed arranged, when video camera experienced with
When the comparable pressure sensor in yarn region, control video camera back moves, and so realizes the reciprocating motion of video camera.As it can be seen that
Master controller writes the program of the reciprocating motion of control video camera in advance.
It should be noted that video camera 11 is actually movement of the camera holder 6 on leading screw along the movement of leading screw 7, and
Video camera 11 is fixed on camera holder 6, and therefore, video camera is also with movement.Therefore, above-mentioned when illustrating testing principle, statement
At video camera 11 along the movement of leading screw 7.
Master controller 15 is electrically connected with computer 16 in the present invention, and entire detection is operated by the staff before computer
The startup and closing of device, and controller determine there is yarn breakage when, binaryzation picture and original picture are sent
It is shown to computer, facilitates the further investigation of staff.Power supply 17 is connected on master controller 15, is whole system
It is powered.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. a kind of spun yarn Yarn break checkout gear of view-based access control model detection, including walk frame spinning frame, master controller, computer, power supply
With moving camera shooting device, Computer, power supply and master controller are electrically connected, walk frame spinning frame include guide rail bracket and with lead
The vertically disposed spool rack device of rail gantry and spindle frame device limit a yarn region per adjacent two guide rail bracket, walk frame spun yarn
Machine includes at least one yarn region, it is characterised in that:The position of each spindle is equipped with alarm on spindle frame device, alarm
Device is connect with master controller;Moving camera shooting device includes:With the first inverted L shape supporting rack and the second inverted L shape supporting rack, it is respectively provided with
In the same side of spindle frame device and there is a certain distance, the top end part of the first inverted L shape supporting rack is provided with the first fixation
Seat is provided with the second fixed seat in the top end part of the second inverted L shape supporting rack, and the first polished rod, leading screw and the second polished rod are successively simultaneously
Placing flat is drained, both ends are separately positioned in the first fixed seat and the second fixed seat, and first is arranged at the top of camera holder
Polished rod, leading screw and the second polished rod;Video camera is installed in the bottom of camera holder, and the head of video camera is downward, same in the second fixed seat
When motor is installed, camera holder is equipped with the screw thread coordinated with the lead screw, and leading screw is connect with motor by shaft coupling, and motor is taken the photograph
Camera is electrically connected with master controller.
2. a kind of spun yarn Yarn break checkout gear of view-based access control model detection as described in claim 1, which is characterized in that in the second light
Bar is equipped at least one linear groove, is rectangular channel in the end set of each linear groove, is fixed with by spring in rectangular channel
Pressure sensor, pressure sensor protrude the second polished rod polished rod surface, and each pressure sensor corresponds to a corresponding yarn
Region, pressure sensor and microprocessor are electrically connected, and microprocessor is electrically connected with master controller.
3. a kind of spun yarn Yarn break checkout gear of view-based access control model detection as described in claim 1, which is characterized in that alarm packet
Include sound-producing device and light-emitting device.
4. a kind of spun yarn Yarn break checkout gear of view-based access control model detection as described in claim 1, which is characterized in that the first inverted L
Type supporting rack and the second inverted L shape supporting rack are the adjustable telescoping mechanism of short transverse.
5. a kind of spun yarn Yarn break checkout gear of view-based access control model detection as described in claim 1, which is characterized in that the first inverted L
Type supporting rack and the second inverted L shape are the adjustable telescoping mechanism in lateral length direction.
6. a kind of spun yarn Yarn break checkout gear of view-based access control model detection as described in claim 1, which is characterized in that master controller
For PLC.
7. a kind of spun yarn Yarn break checkout gear using a kind of view-based access control model detection as claimed in any one of claims 1 to 6
Spun yarn broken yarn detection method, it is characterised in that have steps of:
(1) adjusts the position relationship between the first and second inverted L shape supporting racks according to the region for wanting detection, installs camera shooting
Machine, camera holder, leading screw, the first polished rod, the second polished rod, the first fixed seat, the second fixed seat, motor and microprocessor;Camera shooting
Machine is arranged in one end of leading screw;
(2) main controller controls motor rotates, and is moved on lead screw to control video camera;
(3) touches the pressure sensor in yarn region when video camera moves, and pressure sensor generates pressure signal, will press
Force signal is transferred to microprocessor, and microprocessor is transferred to master controller after handling pressure signal, master controller receives pressure
Force signal, control motor stop the rotation of leading screw so that video camera stops at the position of pressure sensor;
(4) master controllers start video camera and are shot, video camera by pre-set time interval to the a-quadrant of yarn into
The time overall length of row Image Acquisition, shooting is more than the period that spool rack device moves back and forth, and sends photographed frame picture to master control
Device processed filters out spool rack device with spindle frame device apart from farthest frame picture from photographed frame picture;
(5) carries out binary conversion treatment to the frame picture filtered out, and white point is yarn, and stain is background, if having vertical white area
Domain between spindle frame device and spool rack device continued presence and its be more than minimum diameter, then it is assumed that the yarn is unbroken,
If there is a vertical white area to be less than minimum diameter in certain between spindle frame device and spool rack device, then it is assumed that yarn
Thread breakage;
(6) master controllers are which one thread is broken by counting judgement successively, to find out corresponding spindle, according to main control
The number for each spindle to each yarn region being previously stored in device and corresponding alarm, main controller controls
Corresponding alarm triggering;
(7) is in step(4)In, if not detecting the yarn of fracture in the yarn region, master controller is according to timer, meter
When device be stopped from video camera because of pressure signal from, timing has been subjected to preset time, and main controller controls motor makes camera shooting
Machine is moved along leading screw towards next yarn region.
8. spun yarn broken yarn detection method as claimed in claim 7, master controller PLC, according to the yarn region thing to be detected
The program of the reciprocating motion of control video camera is first write, control video camera lives through the yarn number of regions phase detected with needs
With pressure sensor when, video camera carry out rotary motion.
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CN111020766A (en) * | 2019-12-19 | 2020-04-17 | 夏津仁和纺织科技有限公司 | Spinning frame backward spindle searching method based on industrial camera image acquisition |
CN111676556A (en) * | 2019-12-31 | 2020-09-18 | 微山县微山湖微电子产业研究院有限公司 | Automatic broken yarn itinerant detection device and control method |
CN112251861A (en) * | 2020-09-08 | 2021-01-22 | 太原科技大学 | Broken end detection device and detection method for ring spinning frame |
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CN113174667A (en) * | 2021-04-30 | 2021-07-27 | 江苏格罗瑞节能科技有限公司 | Spinning frame multi-zone visual detection monitoring system and method |
WO2023071288A1 (en) * | 2021-10-29 | 2023-05-04 | 隆基绿能科技股份有限公司 | Breakage detection method and apparatus during shoulder growth, and storage medium and electronic device |
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