CN112686067A - Real-time cargo detection method and system based on image and radio frequency identification - Google Patents
Real-time cargo detection method and system based on image and radio frequency identification Download PDFInfo
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- CN112686067A CN112686067A CN202011602494.2A CN202011602494A CN112686067A CN 112686067 A CN112686067 A CN 112686067A CN 202011602494 A CN202011602494 A CN 202011602494A CN 112686067 A CN112686067 A CN 112686067A
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Abstract
The invention discloses a real-time goods detection method and a real-time goods detection system based on image and radio frequency identification, wherein the real-time goods detection system based on image and radio frequency identification comprises a conveying roller assembly and an equipment host, three groups of supports are arranged on two sides of the bottom end of the conveying roller assembly, a blanking conveying belt assembly is arranged at one end of the conveying roller assembly, and the real-time goods detection method based on image and radio frequency identification comprises the following steps that electronic tags are attached to specific areas of goods in the conveying process of the goods, the electronic tags are written in goods information, and the electronic tags are identified through a radio frequency technology in the detection process of the goods, so that the goods information is acquired. Based on the radio frequency identification technology, the invention can write in the picture information through the electronic tag, and can search the information in the tag at each update node, thereby improving the query efficiency and ensuring that each link of the goods can be relied on.
Description
Technical Field
The invention relates to the technical field of cargo detection platforms, in particular to a real-time cargo detection method and a real-time cargo detection system based on image and radio frequency identification.
Background
With the push of global economy integration, economic competition is increasingly intense, and commercial competition is not only competition among products but is more reflected in service, wherein logistics is an important link in service. At present, the logistics industry develops rapidly, but the problem is also that the logistics industry lays in a wide range, and a large amount of economic losses occur every year and a large amount of human resources are wasted due to the problems that the information transmission of a supply chain is not timely, the information is inaccurate, the information exchange of goods is wrong and the like.
The real-time detection of goods and the information updating of goods are main development directions, the state of the existing goods real-time detection is updated on a system platform by scanning bar codes, but the state information of the goods at each updated position cannot be scanned in many times, for example, in the process of tracing a piece, the state change of the goods under each information update cannot be inquired, and the state change process in the process of transporting the goods cannot be determined.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a real-time cargo detection method and a real-time cargo detection system based on image and radio frequency identification.
The invention provides a real-time cargo detection system based on image and radio frequency identification, which comprises a conveying roller assembly and an equipment host, wherein two sides of the bottom end of the conveying roller assembly are provided with three groups of brackets, one end of the conveying roller assembly is provided with a blanking conveying belt assembly, two sides of the other end of the conveying roller assembly are symmetrically provided with detection plates, the outer wall of each detection plate is equidistantly and parallelly distributed with at least three groups of photoelectric sensors, the conveying roller assembly comprises a roller frame, conveying rollers, a transmission belt, a driving wheel and a driving motor, the conveying rollers are equidistantly and parallelly distributed on the inner wall of the roller frame, the transmission belt is in transmission connection with the outer walls of two ends of the conveying roller, the driving wheel is sleeved on the outer wall of the end part of the conveying roller at one side close to the blanking conveying belt assembly, the output shaft of the driving motor is in transmission, and one end of a piston rod of the telescopic cylinder is connected with a supporting rod, the top outer wall of the supporting rod is fixedly connected with a reader-writer, the other end of the bottom outer wall of the roller frame is provided with a writing door, the inner wall of the top end of the writing door is provided with an electric sliding rail, the inner wall of the electric sliding rail is connected with a CCD in a sliding manner, and the writing door, the CCD and the reader-writer are all connected with an equipment host.
As a further scheme of the invention, the bottom of one end of the roller frame, which is close to the blanking conveying belt assembly, is fixedly connected with a motor box, and a driving motor is fixedly connected to the inner wall of one side.
As a further scheme of the invention, the inner wall of the other side of the motor box is fixedly connected with a blanking motor, and an output shaft of the blanking motor is connected with a driving roller through a driving belt.
As a further scheme of the invention, the blanking conveying belt assembly further comprises a driven roller and a conveying belt, and the outer wall of the driving roller is in transmission fit with the driven roller through the conveying belt.
As a further scheme of the invention, a low-frequency activator is arranged in the middle of the outer wall of the reader-writer, the end of the low-frequency activator is connected with an activation antenna, and the activation antenna is electrically connected with the reader-writer.
As a further aspect of the present invention, the write gate includes a read/write head and a tag USER area identification probe, and the read/write head and the tag USER area identification probe are electrically connected.
As a further scheme of the invention, the writing door, the electric sliding rail, the CCD, the reader-writer, the telescopic cylinder, the blanking motor and the driving motor are all connected with a switch, and the switch is connected with a PLC controller through a lead.
A real-time cargo detection method based on image and radio frequency identification is carried out according to the following steps:
s1: in the cargo conveying process, an electronic tag is attached to a specific area of the cargo and is written in cargo information, and in the cargo detection process, the electronic tag is identified through a radio frequency technology so as to acquire the cargo information;
s2: the goods attached with the electronic tags enter through one side of the detection plate, the detection operation of the equipment is triggered in the entering process, the electronic tags are activated through the low-frequency activator when passing through the reader-writer, and meanwhile, the reader-writer performs radio frequency identification on the electronic tags on the goods, so that information is input to the host of the equipment and displayed;
s3: continuously inputting on the conveying roller assembly, then reaching the position of a writing door, capturing images of goods through a CCD, then inputting into an equipment host, communicating positioning information, and outputting to signal ends of reading and writing assemblies at two sides through the equipment host;
s4: the read-write assembly writes image data into the electronic tag through the read-write head, a carrier in the electronic tag is positioned by a USER area and an identification probe in the USER area of the tag and then is written, and therefore information input and updating of the electronic tag are achieved;
s5: in the transportation process, real-time detection and information reading and inputting are realized, the cargo detection precision and efficiency are improved, and the whole cargo detection is more intelligent.
The beneficial effects of the invention are as follows:
1. the real-time cargo detection system is based on a radio frequency identification technology, information can be written in through the electronic tags, information in the tags can be searched at each updating node, query efficiency is improved, and dependence of each link of cargos is guaranteed;
2. the real-time goods detection system utilizes the RFID electronic tags, is low in price, can quickly mark goods, and quickly records and processes information of the goods in the transfer process of the goods, so that the retention time of the goods is shortened;
3. the real-time cargo detection system uploads implementation position information to the cloud end of the equipment host, so that a consumer and a worker can supervise and process emergency situations, the electronic tags corresponding to each commodity are given through the electronic tag processing of the RFID, the relevant information of the commodities is recorded in the electronic tags, and batch cargo can be identified through the RFID automatic identification system, so that a large amount of commodity detection time is saved;
4. the real-time cargo detection system is characterized in that on the basis of the prior art, position information is input, images are captured in the transfer process, a state picture of the cargo in the transfer process is used as one of information input sources, and in the later stage searching process, the cargo can be positioned by utilizing the detection result deviation of the cargo between different stages according to the state change between two transfer nodes.
Drawings
Fig. 1 is a schematic perspective view of a detection system of a real-time cargo detection method and detection system based on image and radio frequency identification according to the present invention;
fig. 2 is a schematic view of a read-write structure of a detection system of a real-time cargo detection method and detection system based on image and radio frequency identification according to the present invention;
FIG. 3 is a schematic side view of a conveying roller assembly in a detection system of a real-time cargo detection method and detection system based on image and RFID according to the present invention;
fig. 4 is a flow chart of a detection structure of a real-time cargo detection method and a detection system based on image and radio frequency identification according to the present invention.
In the figure: 1. a support; 2. a motor case; 3. a blanking conveyor belt assembly; 4. a device host; 5. a write gate; 6. an electric slide rail; 7. a CCD; 8. detecting a plate; 9. a reader/writer; 10. a telescopic cylinder; 11. a conveying roller; 12. a conveyor roller assembly; 13. a low frequency activator; 14. a strut; 15. a drive wheel; 16. a driving roller; 17. a driven roller; 18. a blanking motor; 19. a drive motor; 20. and (4) a roller frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a real-time cargo detecting system based on image and radio frequency identification comprises a conveying roller assembly 12 and an equipment host 4, wherein two sides of the bottom end of the conveying roller assembly 12 are provided with three sets of brackets 1, one end of the conveying roller assembly 12 is provided with a blanking conveyor belt assembly 3, the other end of the conveying roller assembly 12 is symmetrically provided with a detecting plate 8, the outer wall of the detecting plate 8 is equidistantly and parallelly distributed with at least three sets of photoelectric sensors, the conveying roller assembly 12 comprises a roller frame 20, a conveying roller 11, a transmission belt, a driving wheel 15 and a driving motor 19, the conveying roller 11 is equidistantly and parallelly distributed on the inner wall of the roller frame 20, the transmission belt is in transmission connection with the outer walls of two ends of the conveying roller 11, the driving wheel 15 is sleeved on the outer wall of the end part of the conveying roller 11 at, two telescopic cylinders 10 are symmetrically distributed at one end of the outer wall of the bottom end of the roller frame 20 close to the detection plate 8, one end of a piston rod of each telescopic cylinder 10 is connected with a supporting rod 14, the outer wall of the top part of the supporting rod 14 is fixedly connected with a reader-writer 9, the other end of the outer wall of the bottom end of the roller frame 20 is provided with a writing door 5, the inner wall of the top end of the writing door 5 is provided with an electric sliding rail 6, the inner wall of the electric sliding rail 6 is connected with a CCD7 in a sliding manner, the writing door 5, the CCD7 and the reader-writer 9 are all connected with the equipment host 4, the bottom of one end of the roller frame 20 close to the blanking conveyer belt component 3 is fixedly connected with a motor box 2, a driving motor 19 is fixedly connected to the inner wall of one side, the inner wall of the other side of the motor box 2 is fixedly connected with a blanking motor 18, an output, the middle part of the outer wall of the reader-writer 9 is provided with a low-frequency activator 13, the end part of the low-frequency activator 13 is connected with an activation antenna, the activation antenna is electrically connected with the reader-writer 9, the writing door 5 comprises a reading head and a label USER area identification probe, the reading head and the label USER area identification probe are electrically connected, the writing door 5, the electric sliding rail 6, the CCD7, the reader-writer 9, the telescopic cylinder 10, the blanking motor 18 and the driving motor 19 are all connected with switches, and the switches are connected with a PLC (programmable logic controller) through wires.
The reader-writer 9 sends electromagnetic waves with a certain frequency outwards through an antenna of the reader-writer; when the electronic tag enters the working range of the transmitting antenna, induced current is generated in the electronic tag to be activated, and then the stored information is sent out through the internal antenna; the antenna of the reader-writer 9 receives the carrier signal from the electronic tag and transmits the carrier signal to the reader-writer 9; the reader/writer 9 demodulates and decodes the received signal, and transmits the processed data to an upper computer or a PLC processing system.
In the invention, the reader-writer 9 adopts an RFU63x type RFID reader-writer produced by Sick (SICK) of Germany, the working frequency is 860 MHz-960 MHz, the reader-writer belongs to an ultrahigh frequency RFID system, an internal antenna is provided, three interfaces of external antennas are attached, communication protocols such as TCP/IP, PROFINET, PROFIBUS, CAN, serial ports (RS 232\ 485) and the like are supported, 4 digital quantity inputs and 4 digital quantity outputs are provided, and the functions of the reader-writer CAN be configured through software.
Referring to fig. 4, a real-time cargo detection method based on image and radio frequency identification.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A real-time goods detection system based on image and radio frequency identification comprises a conveying roller assembly (12) and an equipment host (4), and is characterized in that three groups of brackets (1) are arranged on two sides of the bottom end of the conveying roller assembly (12), a blanking conveying belt assembly (3) is arranged at one end of the conveying roller assembly (12), a detection plate (8) is symmetrically arranged on two sides of the other end of the conveying roller assembly (12), at least three groups of photoelectric sensors are equidistantly and parallelly distributed on the outer wall of the detection plate (8), the conveying roller assembly (12) comprises a roller frame (20), a conveying roller (11), a transmission belt, a driving wheel (15) and a driving motor (19), the conveying roller (11) is equidistantly and parallelly distributed on the inner wall of the roller frame (20) and is in transmission connection with the outer walls of the transmission belt at two ends of the conveying roller (11), and the driving wheel (15) is sleeved on the outer wall of the end part, and the output shaft of driving motor (19) passes through the transmission cooperation between driving belt and drive wheel (15), the one end symmetric distribution that the bottom outer wall of roller frame (20) is close to pick-up plate (8) has two telescopic cylinder (10), and the piston rod one end of telescopic cylinder (10) is connected with branch (14), the top outer wall fixedly connected with read write line (9) of branch (14), the bottom outer wall other end of roller frame (20) is equipped with writes door (5), and writes the top inner wall of door (5) and be equipped with electronic slide rail (6), the inner wall sliding connection of electronic slide rail (6) has CCD (7), write door (5), CCD (7) and read write line (9) and all be connected with equipment host computer (4).
2. The real-time cargo detection system based on image and radio frequency identification as claimed in claim 1, characterized in that the bottom of one end of the roller frame (20) close to the blanking conveyor belt assembly (3) is fixedly connected with a motor box (2), and the driving motor (19) is fixedly connected on one side inner wall.
3. The real-time cargo detection system based on image and radio frequency identification as claimed in claim 2, characterized in that the inner wall of the other side of the motor box (2) is fixedly connected with a blanking motor (18), and the output shaft of the blanking motor (18) is connected with a driving roller (16) through a driving belt.
4. The real-time cargo detection system based on image and radio frequency identification as claimed in claim 3, characterized in that the blanking conveyor belt assembly (3) further comprises a driven roller (17) and a conveyor belt, and the outer wall of the driving roller (16) forms a driving fit between the conveyor belt and the driven roller (17).
5. The real-time cargo detection system based on image and radio frequency identification as claimed in claim 1, characterized in that a low frequency activator (13) is arranged in the middle of the outer wall of the reader/writer (9), and an activation antenna is connected to the end of the low frequency activator (13), and the activation antenna is electrically connected to the reader/writer (9).
6. The real-time cargo detection system based on image and radio frequency identification as claimed in claim 1, wherein said writing gate (5) comprises a read/write head and a tag USER area identification probe, and the read/write head and the tag USER area identification probe are electrically connected.
7. The real-time cargo detection system based on image and radio frequency identification as claimed in claim 1, wherein the writing door (5), the electric slide rail (6), the CCD (7), the reader-writer (9), the telescopic cylinder (10), the blanking motor (18) and the driving motor (19) are all connected with a switch, and the switch is connected with a PLC controller through a wire.
8. The real-time detection method of the real-time cargo detection system based on image and radio frequency identification as claimed in claim 1, wherein the real-time cargo detection method based on image and radio frequency identification is performed according to the following steps:
s1: in the cargo conveying process, an electronic tag is attached to a specific area of the cargo and is written in cargo information, and in the cargo detection process, the electronic tag is identified through a radio frequency technology so as to acquire the cargo information;
s2: goods pasted with the electronic tags enter through one side of the detection plate (8), equipment detection operation is triggered in the entering process, the electronic tags are activated through the low-frequency activator (13) when passing through the reader-writer (9), meanwhile, the reader-writer (9) carries out radio frequency identification on the electronic tags on the goods, and then information is input to the equipment host (4) to be displayed;
s3: continuously inputting on a conveying roller assembly (12), then reaching the position of a writing door (5), capturing images of goods through a CCD (7), then inputting into an equipment host (4), communicating positioning information and outputting to signal ends of reading and writing assemblies on two sides through the equipment host (4);
s4: the read-write assembly writes image data into the electronic tag through the read-write head, a carrier in the electronic tag is positioned by a USER area and an identification probe in the USER area of the tag and then is written, and therefore information input and updating of the electronic tag are achieved;
s5: in the transportation process, real-time detection and information reading and inputting are realized, the cargo detection precision and efficiency are improved, and the whole cargo detection is more intelligent.
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| CN202011602494.2A CN112686067A (en) | 2020-12-30 | 2020-12-30 | Real-time cargo detection method and system based on image and radio frequency identification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113895849A (en) * | 2021-12-10 | 2022-01-07 | 深圳市瓴风科技有限公司 | Conveying device for automatically recording data after goods are delivered from warehouse |
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