CN108985416B - RFID-based fabric production traceability system and method - Google Patents
RFID-based fabric production traceability system and method Download PDFInfo
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- CN108985416B CN108985416B CN201811137225.6A CN201811137225A CN108985416B CN 108985416 B CN108985416 B CN 108985416B CN 201811137225 A CN201811137225 A CN 201811137225A CN 108985416 B CN108985416 B CN 108985416B
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- 239000004744 fabric Substances 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000002759 woven fabric Substances 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 20
- 238000009941 weaving Methods 0.000 claims description 16
- 238000007689 inspection Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 description 5
- 239000004753 textile Substances 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a woven fabric production tracing system and a method based on RFID, wherein the tracing system comprises an RFID electronic tag identification system, the RFID electronic tag identification system comprises an RFID electronic tag, a reader-writer, a programmable logic controller and a memory, the RFID electronic tag is respectively arranged on a warp beam and a cloth beam, the reader-writer is fixed on the side surfaces of the warp beam and the cloth beam, the RFID electronic tag is connected with the reader-writer through radio frequency signals, the reader-writer is connected with the programmable logic controller through a communication interface, and the programmable logic controller is connected with the memory. The tracing method of the fabric quality can be realized through a tracing system. According to the invention, each warp beam and cloth beam with the same appearance have unique ID through the RFID technology, so that the production information can be tracked in actual production conveniently, statistics and positioning of the warp beam and cloth beam by manpower are replaced, workload of checking problems and waste of manpower resources are reduced, production efficiency is improved, and production cost is reduced.
Description
Technical Field
The invention relates to the technical field of data tracing, in particular to a woven fabric production tracing system and method based on RFID.
Background
At present, the technical level of textile industry, equipment and enterprise management level in China are relatively low compared with overseas textile industry, and the development of enterprises is severely restricted. In the textile production process, when quality problems occur to finished cloth, related machine stations responsible for production are required to be found, and problem yarns on a warp beam are required to be intercepted in time in a weaving process. In actual production, when detecting that a flaw exists at a certain point of the finished fabric in the fabric inspection process, the warp beam and the fabric beam information need to be manually counted to trace back to the previous weaving and warping process. If the specific position of the beam and the related production machine can not be accurately positioned, manual statistics and searching are needed, time and labor are consumed, and the improvement of the production efficiency of a factory is restricted.
Disclosure of Invention
Aiming at the technical problems that the number of warp beams and cloth beams is numerous in the existing textile production, and the weaving process cannot accurately position and lock the problem machine, the invention provides a system and a method for tracing the production of the woven fabric based on RFID, which can trace the accurate positions of the problem machine and the warp beams and the cloth beams by utilizing the RFID technology.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows: the woven fabric production traceability system based on RFID comprises an RFID electronic tag identification system, wherein the RFID electronic tag identification system comprises an RFID electronic tag, a reader-writer, a programmable logic controller and a memory, the RFID electronic tag is respectively arranged on a warp beam and a cloth beam, the reader-writer is fixed on one side of the warp beam and one side of the cloth beam, the RFID electronic tag is connected with the reader-writer through radio frequency signals, the reader-writer is connected with the programmable logic controller through a communication interface, and the programmable logic controller is connected with the memory.
The RFID electronic tag comprises a radio frequency interface and a control chip, wherein the control chip comprises a central processing unit, an EEPROM and a ROM, and the central processing unit is respectively connected with the EEPROM and the ROM; the radio frequency interface comprises a modulator, a demodulator and a voltage regulator, wherein the modulator is connected with the demodulator, the demodulator is connected with the voltage regulator, the voltage regulator is connected with the EEPROM, and the modulator is connected with the reader-writer through a radio frequency antenna.
The central processing unit is connected with a power supply, the power supply is connected with a voltage stabilizing unit, the voltage stabilizing unit is connected with a rectifying circuit, and the rectifying circuit is connected with a modulator of the radio frequency interface.
The reader-writer comprises a radio frequency antenna, a radio frequency channel module, a control processing module and an I/O interface module, wherein the radio frequency channel module and the I/O interface module are both connected with the control processing module, and the I/O interface module is respectively connected with the communication interface and the radio frequency antenna.
The RFID electronic tag is stuck on the warp beam or the cloth beam; the reader-writer is respectively arranged on the side surface of the warp beam of the warping machine, the side surfaces of the warp beam and the cloth beam of the loom and the side surface of the cloth beam of the cloth inspection machine; the RFID electronic tags are passive etched aluminum tags, and a plurality of RFID electronic tags and a plurality of readers are arranged.
And a detection photoelectric switch is arranged above the reader-writer and is connected with a programmable logic controller, and the programmable logic controller is connected with an alarm module.
A tracing method of a fabric production tracing system based on RFID comprises the following steps:
step one: the method comprises the steps of arranging RFID electronic tags on a beam in a warping process, a beam and a cloth beam in a weaving process and a cloth beam in a cloth inspecting process respectively, and arranging at least one reader for reading and outputting UID data of the RFID electronic tags on the side surfaces of the beam of a warping machine, the beam and the cloth beam of a loom and the side surfaces of the cloth beam of a cloth inspecting machine respectively;
step two: in the warping procedure, a warp beam rotates on a warping machine at a low speed to wind yarns on a beam drum, when an electronic tag on the warp beam rotates to a reader-writer, the reader-writer on the warping machine sends UID data of the RFID electronic tag to a programmable logic controller, and the programmable logic controller takes the number of times of receiving the same UID data as the number of times of the warp beam of the warping machine rotating and sends the UID data and the number of times to a memory for storage;
step three: after the warping process is finished, the warp beam enters a warp beam warehouse to store energy, and then enters a loom in the weaving process to be produced; the two sides of the loom are respectively provided with a warp beam and a cloth beam, and the loom weaves yarns on the warp beam and winds the yarns on the cloth beam of the loom; when the electronic tags on the warp beam and the cloth beam of the loom respectively rotate to the positions of the warp beam and the reader-writer of the cloth beam of the loom, the reader-writer on the loom sends the UID data of the RFID electronic tag into a programmable logic controller, and the programmable logic controller takes the times of receiving the same UID data as the number of times of the warp beam rotation of the loom and sends the UID data and the number of times of the warp beam rotation of the loom to a memory for storage;
step four: after the yarn is produced in the weaving process, the yarn enters a cloth inspection process, a cloth shaft rotates on a cloth inspection machine at a low speed, when an electronic tag arranged on the cloth shaft rotates to a position where a reader-writer is located, the reader-writer sends UID data of the RFID electronic tag into a programmable logic controller, and the programmable logic controller takes the number of times of receiving the same UID data as the number of turns of the cloth shaft rotation and sends the UID data and the number of turns to a memory for storage;
step five: when the quality problem of the finished cloth on the cloth shaft of the cloth inspecting machine is found in the cloth inspecting process, a machine table responsible for producing the yarns with the batch of problems is searched according to the UID data of the electronic tag on the cloth shaft and the data stored in the programmable logic controller, and the number of turns of the warp beam in the corresponding weaving process is traced back according to the number of turns of the flaw point on the cloth shaft.
The warp beam side surface of the warping machine, the warp beam and cloth beam side surface of the loom and the cloth beam side surface of the cloth inspection machine are at least provided with a reader-writer and a detection photoelectric switch for reading and outputting UID data of the RFID electronic tag, and the detection photoelectric switch is responsible for detecting whether the warp beam or the cloth beam exists in the area where the reader-writer is located in the current time period; when the electronic tag stuck on the beam or the cloth beam rotates to the detection photoelectric switch, the detection photoelectric switch outputs a control signal and transmits the control signal to the programmable logic controller; when the detection photoelectric switch sends a control signal to the programmable logic controller, but the reader-writer does not return UID data of the corresponding RFID electronic tag, the programmable logic controller judges that the RFID electronic tag is a missing or lost tag and alarms through the alarm module.
The method for judging the RFID electronic tag as the lost tag by the programmable logic controller comprises the following steps: when the detection photoelectric switch generates a complete high-level signal and the reader-writer does not return UID data of any electronic tag in the time period when the high-level signal exists, the RFID electronic tag is necessarily a lost tag.
The invention has the beneficial effects that: the data in the RFID electronic tag is sent to the programmable logic controller through the reader-writer, the programmable logic controller transmits the data to the database for processing, and the production data and the tag data are integrated in time to generate alarm information; the production track of the warp beam and the cloth beam is tracked by utilizing the RFID technology, and the ID data in the RFID electronic tag is matched with the actual production data, so that the warp beam and the cloth beam are accurately positioned and the problem yarn is intercepted. The invention ensures that each warp beam and each cloth beam with the same appearance have unique ID information, is convenient for tracking the position information in the actual production management, solves the problem that the position cannot be accurately positioned in the weaving process, reduces the workload of checking the problem and the waste of manpower resources, improves the production efficiency and reduces the production cost.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an internal schematic diagram of the RFID electronic tag of the present invention.
Fig. 3 is an internal schematic diagram of the reader-writer of the present invention.
In the figure, 1 is a warp beam, 2 is an RFID electronic tag, 3 is a cloth beam, 4 is a reader-writer, and 6 is a detection photoelectric switch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, an RFID-based fabric production traceability system includes an RFID electronic tag identification system, where the RFID electronic tag identification system includes an RFID electronic tag 2, a reader 4, a programmable logic controller and a memory, where the RFID electronic tag 2 is disposed on a side portion of a warp beam 1 and a fabric beam 3, and the RFID electronic tag 2 rotates along with rotation of the warp beam 1 and the fabric beam 3, where the warp beam 1 and the fabric beam 3 are warp beams and fabric beams commonly used in the spinning field, and will not be repeated here. The reader-writer 4 is fixed on the fixing frame at one side of the warp beam 1 and the cloth beam 3, is fixed relative to the warp beam 1 and the cloth beam 3, and is respectively arranged at the side face of the warp beam 1 of the warping machine, the side face of the warp beam 1 and the cloth beam 3 of the loom and the side face of the cloth beam 3 of the cloth inspection machine. The RFID electronic tag 2 is connected with the reader-writer 4 through a radio frequency antenna, and the radio frequency antenna transmits radio frequency signals between the RFID electronic tag 2 and the reader-writer 4. The reader 4 is connected with a programmable logic controller through a communication interface, and the programmable logic controller is connected with a memory. The RFID electronic tag 2 has a unique electronic article code, i.e. globally unique UID data. The RFID electronic tag 2 is attached to an item to identify a target object. The reader/writer 4 is a device that reads or writes tag information.
As shown in fig. 2, the RFID electronic tag 2 is mainly composed of a radio frequency antenna, a radio frequency interface, and a control chip, and the control chip is connected with the radio frequency antenna through the radio frequency interface. The radio frequency interface further comprises a modulator, a demodulator and a voltage regulator, wherein the modulator is connected with the demodulator, and the demodulator is connected with the voltage regulator. The control chip comprises a central processing unit, a ROM and an EEPROM, wherein the central processing unit is a CPU, the central processing unit is respectively connected with the ROM and the EEPROM, the voltage regulator is connected with the EEPROM, and the central processing unit is connected with the modulator. The central processing unit is connected with the power supply, the power supply is connected with the voltage stabilizing unit, the voltage stabilizing unit is connected with the rectifying circuit, and the rectifying circuit is connected with the modulator of the radio frequency interface. The radio frequency antenna is responsible for transmitting and receiving electromagnetic waves and is a bridge for connecting the RFID electronic tag 2 with the reader-writer 4. The data transmitted by the central processing unit can be loaded on the radio frequency antenna after being modulated by the modulator to become radio frequency signals which can be transmitted wirelessly, and the demodulator is responsible for demodulating the modulated signals and removing the carrier wave to obtain the initial modulated signals. The voltage regulator is mainly used for converting the radio frequency signals received by the reader-writer into direct current power supply, storing energy through an internal energy storage device (large capacitor) and ensuring stable power supply through the voltage stabilizing circuit. The CPU is responsible for decoding the signals transmitted by the reader-writer and returning data according to the 4 requirements of the reader-writer. The ROM and EEPROM storage units are mainly used for storing data or identification data generated by the operation of the RFID electronic tag 2.
As shown in fig. 3, the reader-writer 4 is composed of a radio frequency antenna, a radio frequency channel module, a control processing module and an I/O interface module, wherein the radio frequency channel module and the I/O interface module are both connected with the control processing module, and the I/O interface module is respectively connected with the communication interface and the radio frequency antenna. The radio frequency antenna transmits a radio frequency carrier wave generated by the radio frequency channel module and receives the radio frequency carrier wave transmitted back from the RFID electronic tag 2. The radio frequency antenna comprises a transmitting antenna and a receiving antenna, wherein the transmitting antenna is used for transmitting data, and the receiving antenna is used for receiving data. The main functions of the radio frequency channel module are as follows: modulating a command to be sent to the RFID electronic tag 2 by the reader-writer onto a radio frequency signal, and transmitting the radio frequency signal through a transmitting antenna; the RFID electronic tag 2 is returned to the reader/writer for echo signal demodulation processing. The control processing module is an intelligent unit of the reader-writer, and the main functions of the control processing module comprise coding of commands sent to the RFID electronic tag 2, decoding of echo signals, error control, strategy control of read-write command flow, I/O control and the like. The I/O interface module is used for realizing input and output communication between the reader-writer and an external sensor, a controller and an application system host. In the invention, the programmable logic controller establishes communication with the reader-writer through the communication interface and the I/O interface module of the reader-writer, so that ID data of the RFID electronic tag 2 read by the reader-writer 4 is transmitted to the programmable logic controller, and the programmable logic controller transmits the data to the memory for storage, thus preparing for subsequent data management.
Preferably, the RFID electronic tag 2 is stuck on the warp beam 1 and the cloth beam 3, the installation mode is simple, and the cost is low; the RFID electronic tag 2 is a passive etched aluminum tag, the service life can reach 10 years, the signal is stable, the softness of the electronic tag is high, and the electronic tag is suitable for adhesive mounting. The number of the RFID electronic tags 2 and the readers 4 is provided with a plurality of RFID electronic tags, so that the collection of a large number of production data of the warp beam 1 and the cloth beam 3 is realized.
Preferably, a detection photoelectric switch 6 is arranged above the reader-writer 4, the detection photoelectric switch 6 is connected with a programmable logic controller, and the programmable logic controller is connected with an alarm module. In actual production, there may be a case that the warp beam 1 and the cloth beam 3 have no RFID electronic tag 2 or the RFID electronic tag 2 is damaged, and in this embodiment, a detection photoelectric switch 6 is provided on each reader/writer 4, and the detection photoelectric switch 6 can detect whether the warp beam 1 or the cloth beam 3 exists at the light position, as shown in fig. 1. The invention can effectively avoid the condition of data loss caused by the missing or damage of the electronic tag 2, accurately position a fault machine and timely intercept the problem yarn, and ensure the normal operation of the fabric production traceability system.
Example 2
A tracing method for fabric production based on RFID comprises the following steps:
step one: the method comprises the steps of arranging RFID electronic tags 2 on a beam 1 in a warping process, on a beam 1 and a beam 3 in a weaving process and on a beam 3 in a cloth inspection process, and arranging at least one reader-writer 4 for reading and outputting UID data of the RFID electronic tags 2 on the side surfaces of the beam of a warping machine, the beam and the side surfaces of the beam of a loom and the side surfaces of the beam of a cloth inspection machine.
Step two: in the warping procedure, the warp beam 1 rotates on the warping machine at a low speed to wind yarns on a beam drum, when the electronic tag 2 on the warp beam 1 rotates to the reader-writer 4, the reader-writer 4 on the warping machine sends the UID data of the RFID electronic tag 2 to the programmable logic controller, and the programmable logic controller takes the times of receiving the same UID data as the number of times of the warping beam 1 of the warping machine rotating, and sends the UID data and the number of times to the memory for storage.
Step three: after the warping process is finished, the warp beam 1 enters a warp beam warehouse to store energy, and then enters a loom in the weaving process to be produced; the two sides of the loom are respectively provided with a warp beam 1 and a cloth beam 3, and the loom weaves yarns on the warp beam 1 and winds the yarns on the cloth beam 3 of the loom; when the electronic tag 2 on the warp beam 1 and the cloth beam 3 of the loom are respectively rotated to the positions of the warp beam 1 and the reader-writer 4 of the cloth beam 3 of the loom, the reader-writer 4 on the loom sends the UID data of the RFID electronic tag 2 into the programmable logic controller, and the programmable logic controller takes the number of times of receiving the same UID data as the number of times of rotation of the warp beam 1 of the loom and sends the UID data and the number of times to the memory for storage.
Step four: after the yarn is produced in the weaving process, the yarn enters the cloth inspecting process, the cloth shaft 3 rotates on the cloth inspecting machine at a low speed, when the electronic tag 2 arranged on the cloth shaft 3 rotates to the position where the reader-writer 4 is located, the reader-writer 4 sends the UID data of the RFID electronic tag 2 into the programmable logic controller, and the programmable logic controller takes the number of times of receiving the same UID data as the number of times of rotation of the cloth shaft 3 and sends the UID data and the number of times to the memory for storage.
Step five: when the quality problem of the finished cloth on the cloth shaft 3 of the cloth inspecting machine is found in the cloth inspecting process, a machine table responsible for producing the batch of problem yarns is searched according to the UID data of the electronic tag 2 on the cloth shaft 3 and the data stored in the programmable logic controller, and the number of turns of the warp beam 1 in the corresponding cloth weaving process is traced back according to the number of turns of the flaw point on the cloth shaft 3.
At least one reader-writer 4 and a detection photoelectric switch 6 for reading and outputting UID data of the RFID electronic tag 2 are arranged on the side surface of the warp beam 1 of the warping machine, the side surfaces of the warp beam 1 and the cloth beam 3 of the loom and the side surface of the cloth beam 3 of the cloth inspection machine, and the detection photoelectric switch 6 is responsible for detecting whether the warp beam 1 or the cloth beam 3 exists in the area where the reader-writer 4 is located in the current time period; when the electronic tag 2 stuck on the beam 1 or the cloth beam 3 rotates to the detection photoelectric switch 6, the detection photoelectric switch 6 outputs a control signal and transmits the control signal to the programmable logic controller; when the detection photoelectric switch 6 sends a control signal to the programmable logic controller, but the reader-writer 4 does not return UID data of the corresponding RFID electronic tag 2, the programmable logic controller judges that the RFID electronic tag 2 is a missing or lost tag and alarms through the alarm module.
The method for judging the RFID electronic tag 2 as the lost tag by the programmable logic controller comprises the following steps: when the detection photoelectric switch 6 generates a complete high-level signal and the reader-writer 4 does not return any UID data of the electronic tag 2 during the period in which the high-level signal exists, the RFID electronic tag 2 must be a lost tag.
According to the invention, each warp beam and each cloth beam with the same appearance have unique ID through the RFID technology, so that the production information can be tracked in actual production management, the workload of checking the problems and the waste of human resources are reduced, and the production efficiency is improved. The invention is used for replacing manual completion of real-time statistics and positioning of the warp beam and the cloth beam, improves the production efficiency for enterprises, and reduces the production cost.
Other structures are the same as in embodiment 1.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The woven fabric production traceability system based on the RFID is characterized by comprising an RFID electronic tag identification system, wherein the RFID electronic tag identification system comprises an RFID electronic tag (2), a reader-writer (4), a programmable logic controller and a memory, the RFID electronic tag (2) is respectively arranged on a warp beam (1) and a cloth beam (3), the reader-writer (4) is fixed on one side of the warp beam (1) and one side of the cloth beam (3), the RFID electronic tag (2) is connected with the reader-writer (4) through radio frequency signals, the reader-writer (4) is connected with the programmable logic controller through a communication interface, and the programmable logic controller is connected with the memory;
the RFID electronic tag (2) is respectively arranged at the side parts of the warp beam (1) and the cloth beam (3), rotates along with the rotation of the warp beam (1) and the cloth beam (3), and the reader-writer (4) is fixed on a fixing frame at one side of the warp beam (1) and the cloth beam (3) and is fixed relative to the warp beam (1) and the cloth beam (3);
a detection photoelectric switch (6) is arranged above the reader (4), the detection photoelectric switch (6) is connected with a programmable logic controller, and the programmable logic controller is connected with an alarm module;
the RFID electronic tag (2) is provided with a unique electronic article code, data inside the RFID electronic tag (2) is sent to the programmable logic controller through the reader-writer (4), the programmable logic controller transmits the data to the database for processing, and the production data and the tag data are integrated in time to generate alarm information.
2. The RFID-based fabric production traceability system according to claim 1, wherein the RFID electronic tag (2) comprises a radio frequency interface and a control chip, the control chip comprises a central processor, an EEPROM and a ROM, and the central processor is respectively connected with the EEPROM and the ROM; the radio frequency interface comprises a modulator, a demodulator and a voltage regulator, wherein the modulator is connected with the demodulator, the demodulator is connected with the voltage regulator, the voltage regulator is connected with the EEPROM, and the modulator is connected with the reader-writer (4) through a radio frequency antenna.
3. The RFID-based fabric production traceability system of claim 2, wherein the central processor is coupled to a power source, the power source is coupled to a voltage regulator unit, the voltage regulator unit is coupled to a rectifier circuit, and the rectifier circuit is coupled to a modulator of the radio frequency interface.
4. The RFID-based fabric production traceability system according to claim 1 or 2, wherein the reader (4) comprises a radio frequency antenna, a radio frequency channel module, a control processing module and an I/O interface module, wherein the radio frequency channel module and the I/O interface module are both connected with the control processing module, and the I/O interface module is respectively connected with the communication interface and the radio frequency antenna.
5. The RFID-based fabric production traceability system according to claim 1, characterized in that the RFID electronic tag (2) is attached to the warp beam (1) or the cloth beam (3); the reader-writer (4) is respectively arranged on the side surface of the warp beam (1) of the warping machine, the side surfaces of the warp beam (1) and the cloth beam (3) of the loom and the side surface of the cloth beam (3) of the cloth inspection machine; the RFID electronic tag (2) is a passive etched aluminum tag, and a plurality of RFID electronic tags (2) and a plurality of readers (4) are arranged.
6. A tracing method applied to the RFID-based fabric production tracing system of any one of claims 1 to 5, characterized by comprising the steps of:
step one: an RFID electronic tag (2) is arranged on a beam (1) in a warping process, on a beam (1) and a cloth beam (3) in a weaving process and on a cloth beam (3) in a cloth inspecting process, and at least one reader (4) for reading and outputting UID data of the RFID electronic tag (2) is arranged on the side surface of the beam of the warping machine, the side surfaces of the beam and the cloth beam of the loom and the side surface of the cloth beam of the cloth inspecting machine respectively;
step two: in the warping procedure, a warp beam (1) rotates on a warping machine at a low speed to wind yarns on a beam drum, when an RFID electronic tag (2) on the warp beam (1) rotates to a reader-writer (4), the reader-writer (4) on the warping machine sends UID data of the RFID electronic tag (2) to a programmable logic controller, and the programmable logic controller takes the times of receiving the same UID data as the number of times of the warp beam (1) of the warping machine to rotate and sends the UID data and the number of times to a memory for storage;
step three: after the warping process is finished, the warp beam (1) enters a warp beam warehouse to store, and then enters a loom in a weaving process to be produced; the two sides of the loom are respectively provided with a warp beam (1) and a cloth beam (3), and the loom weaves yarns on the warp beam (1) and winds the yarns on the cloth beam (3) of the loom; when the RFID electronic tags (2) on the warp beam (1) and the cloth beam (3) of the loom are respectively rotated to the positions of the warp beam (1) and the reader (4) of the cloth beam (3), the reader (4) on the loom sends the UID data of the RFID electronic tags (2) to a programmable logic controller, and the programmable logic controller takes the times of receiving the same UID data as the number of rotations of the warp beam (1) of the loom and sends the UID data and the number of rotations to a memory for storage;
step four: after the yarn is produced in the weaving process, the yarn enters the cloth inspecting process, the cloth shaft (3) rotates on the cloth inspecting machine at a low speed, when the RFID electronic tag (2) arranged on the cloth shaft (3) rotates to the position of the reader-writer (4), the reader-writer (4) sends the UID data of the RFID electronic tag (2) into a programmable logic controller, the programmable logic controller takes the times of receiving the same UID data as the number of the rotation turns of the cloth shaft (3), and sends the UID data and the number of the turns to a memory for storage;
step five: when the quality problem of finished cloth on a cloth shaft (3) of the cloth inspecting machine is found in the cloth inspecting process, a machine table responsible for producing the yarn in question is searched according to the UID data of the RFID electronic tag (2) on the cloth shaft (3) and the data stored in the programmable logic controller, and the number of turns of the warp beam (1) in the corresponding weaving process is traced back according to the number of turns of the flaw on the cloth shaft (3).
7. The tracing method according to claim 6, wherein at least one reader/writer (4) and a detection photoelectric switch (6) for reading and outputting UID data of the RFID electronic tag (2) are arranged on the side surface of a warp beam (1) of the warping machine, the side surfaces of a warp beam (1) and a cloth beam (3) of the loom and the side surfaces of a cloth beam (3) of the cloth inspection machine, and the detection photoelectric switch (6) is responsible for detecting whether the warp beam (1) or the cloth beam (3) exists in the area where the reader/writer (4) is located in the current time period; when the RFID electronic tag (2) stuck on the beam (1) or the cloth beam (3) rotates to the detection photoelectric switch (6), the detection photoelectric switch (6) outputs a control signal and transmits the control signal to the programmable logic controller; when the detection photoelectric switch (6) sends a control signal to the programmable logic controller, but the reader-writer (4) does not return UID data of the corresponding RFID electronic tag (2), the programmable logic controller judges that the RFID electronic tag (2) is a missing or lost tag and alarms through the alarm module.
8. The tracing method according to claim 7, wherein the method for determining that the RFID electronic tag (2) is a lost tag by the programmable logic controller is: when the detection photoelectric switch (6) generates a complete high-level signal and the reader-writer (4) does not return UID data of any RFID electronic tag (2) in the time period when the high-level signal exists, the RFID electronic tag (2) is a lost tag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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