KR20220074530A - IoT DATA COLLECTION CONVEYOR APPARAYUS ON SMART SUPPLY CHAIN - Google Patents

Abstract

The IoT data collection conveyor device on the smart supply chain is a conveyor that moves the goods loaded on the transfer line through the movement of the transfer line, is disposed on the transfer line, and is an article identification code for detecting the article identification code of the article A detector, an article surveyor disposed on the upper part of the transport line at a position adjacent to the article identification code detector and measuring the image, weight and volume of the article when a survey signal is received, and the survey signal based on the article identification code and an article control unit that determines whether to generate the article, classifies the article, determines an article destination, and determines a moving speed of the transport line based on the weight and volume of the article.

Description

IoT Data Collection Conveyor Device on Smart Supply Chain {IoT DATA COLLECTION CONVEYOR APPARAYUS ON SMART SUPPLY CHAIN}

The present invention relates to IoT (Internet of Things) data collection conveyor technology on a smart supply chain. It relates to an IoT data collection conveyor device on a smart supply chain that can perform the movement of goods.

Conveyors are key equipment used in various manufacturing industries as well as distribution fields. It is an indispensable tool for transporting goods within an automated facility, ensuring high efficiency.

On the other hand, the current conveyor system visually distinguishes product identification and location data, resulting in waste of product storage work, and there is a problem in process division and line balancing because they cannot help each other. There is a problem in that the production line is rigid and safety is insufficient because it cannot be stopped.

Meanwhile, in the era of the 4th industrial revolution, the smart factory transformation is accelerating. When a smart factory is established, carts, machines, robots, utilities, and parts can actively transport and manufacture through mutual information exchange, all process histories are recorded, and accidents or defects can be predicted in advance through data analysis. In addition, it is possible to detect process defects or abnormalities in advance through big data analysis of accumulated process data.

In particular, a smart conveyor technology that improves inconvenience by implementing a smart supply chain in a conveyor system under a smart factory environment is required.

Korea Patent No. 10-2141394 relates to a smart conveyor meander adjustment system, a meander detection member provided on both sides of a conveyor belt for transporting goods to detect a meandering of the conveyor belt, and a meander by pressing both sides of the conveyor belt By including a meandering adjustment member for adjusting, and a control member for recognizing the meandering of the conveyor belt through the meandering adjustment member and controlling the meandering adjustment member, the meandering of the conveyor belt is adjusted by detecting the meandering of the conveyor belt for transporting a large amount of goods. Thus, it is possible to prevent equipment damage and safety accidents, and to reduce costs through efficient operation and maintenance of equipment and maintenance materials by collecting, analyzing and utilizing detected data.

Korea Patent No. 10-1998384 relates to a smart logistics system, a stacker crane that is provided inside an automatic warehouse and transports products stored in racks and loads them on the top surface of an unmanned shuttle, a rectangular box shape, and the load of the product An unmanned shuttle, automatic warehouse including a body made of metal or reinforced plastic that supports It is installed at the exit or outside, and an IoT sensor is installed on the upper surface of the gate to identify products equipped with barcode or RFID while being loaded on the top plate of the unmanned shuttle passing through. It consists of a conveyor system.

Korean Patent No. 10-2141394 (2020.07.30) Korean Patent Registration No. 10-1998384 (2019.07.03)

An embodiment of the present invention provides an IoT data collection conveyor device on a smart supply chain that enables the movement of goods by determining the destination of the goods and the transfer speed of the transfer line based on the item identification code of the goods loaded on the transfer line. would like to provide

An embodiment of the present invention is to provide an IoT data collection conveyor device on a smart supply chain that can collect information on transporting goods moving on a conveyor by detecting an article identification code of an article through an RFID reader disposed on the upper part of the transfer line. .

An embodiment of the present invention measures the image, weight, and volume of goods when the goods move on a conveyor, collects goods transport information, and performs statistical analysis of transported goods on a smart supply chain that can efficiently manage warehousing and inventory We want to provide an IoT data collection conveyor device.

In embodiments, the IoT data collection conveyor device on the smart supply chain is a conveyor that moves the goods loaded on the transfer line through the movement of the transfer line, is disposed on the transfer line, and stores the item identification code of the item. An article identification code detector that detects, an article surveyor that is disposed on the transfer line at a position adjacent to the article identification code detector and measures the image, weight and volume of the article when a measurement signal is received, and the article identification code based on and an article control unit for determining whether to generate the survey signal, classifying the article to determine an article destination, and determining a moving speed of the transport line based on the weight and volume of the article.

The article identification code detector may be implemented through an RFID (Radio Frequency Identification) reader.

The article meter is disposed across the top of the transport line to send a laser toward the article, each of a series of laser emitters having a different waveform, and a reflective laser derived from the laser and reflected by the article. and a series of laser receivers each receiving and filtering a corresponding waveform, the series of laser transmitters and the series of laser receivers may be alternately arranged.

The article weighing machine detects the entry of the article based on the reflected laser and drives a camera that takes an image of the article and a load cell that measures the weight of the article, and the time between the laser and the reflected laser The traverse height of the article may be determined based on the difference and the volume of the article may be calculated based on the accumulated traverse heights of the object from entry to exit of the article.

The article control unit may determine the type of the article based on the article identification code and determine the need to measure the weight and volume of the article to generate the measurement signal.

The article control unit may generate the article transfer DB by collecting article transport information including the type, height, length, weight, and volume of the article moving the conveyor based on the article identification code.

The article control unit may analyze the article transfer DB to calculate article types, height, length, weight, and volume for each period, and perform statistical analysis of transferred articles.

The article control unit may determine whether to create a new branch point for the installation point of the article identification code detector on the conveyor through the statistical analysis of the transferred article.

The disclosed technology may have the following effects. However, this does not mean that a specific embodiment should include all of the following effects or only the following effects, so the scope of the disclosed technology should not be construed as being limited thereby.

The IoT data collection conveyor device on the smart supply chain according to an embodiment of the present invention can move the goods by determining the destination of the goods and the transfer speed of the transfer line based on the item identification code of the goods loaded on the transfer line. .

The IoT data collection conveyor device on the smart supply chain according to an embodiment of the present invention can collect information on transporting goods moving the conveyor by detecting the article identification code of the article through an RFID reader disposed on the upper part of the transfer line.

The IoT data collection conveyor device on the smart supply chain according to an embodiment of the present invention measures the image, weight and volume of the goods when the goods move on the conveyor, collects goods transport information, performs statistical analysis of transported goods, and performs input/output and inventory can be managed efficiently.

1 is a diagram illustrating an IoT data collection conveyor system on a smart supply chain according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating the IoT data collection conveyor device of FIG. 1 .
FIG. 3 is an exemplary view showing an installation state on the conveyor of the article identification code detector and the article meter in FIG. 2 .
FIG. 4 is an exemplary view showing an arrangement state of the laser transmitting unit and the laser receiving unit in FIG. 3 .
5 is a flowchart illustrating an IoT data collection process on a smart supply chain for a conveyor performed in the IoT data collection conveyor device in FIG. 11 .

Since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

On the other hand, the meaning of the terms described in the present application should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected to” another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. On the other hand, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood to include the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the embodied feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

In each step, identification numbers (eg, a, b, c, etc.) are used for convenience of description, and identification numbers do not describe the order of each step, and each step clearly indicates a specific order in context. Unless otherwise specified, it may occur in a different order from the specified order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

The present invention can be embodied as computer-readable codes on a computer-readable recording medium, and the computer-readable recording medium includes all types of recording devices in which data readable by a computer system is stored. . Examples of the computer-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless otherwise defined. Terms defined in the dictionary should be interpreted as being consistent with the meaning of the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present application.

RFID (Radio Frequency Identification) is a technology for wirelessly recognizing objects and is largely divided into an RFID tag that stores identification information and an RFID reader that reads the information. It carries out the transfer of information as a medium.

The Internet of Things (IoT) is a technology that connects various objects to the Internet by embedding sensors and communication functions. It is an artificial intelligence technology that allows objects connected to the Internet to exchange data, analyze themselves, and provide learned information to the user or the user can remotely control it.

In the present invention, by implementing a smart supply chain through the combination of RFID and IoT technology, information on the transfer of goods loaded on the transfer line of the conveyor is collected and converted into data.

1 is a diagram illustrating an IoT data collection conveyor system on a smart supply chain according to an embodiment of the present invention.

Referring to FIG. 1 , the IoT data collection conveyor system 100 includes a conveyor 110 , an IoT data collection conveyor device 130 , and a database 150 , which may be connected through a network.

The conveyor 110 may correspond to article transport equipment that moves the article A loaded on the transfer line through the movement of the transfer line. Here, the type and use of the conveyor 110 are not specified. Conveyor 110, the transfer line moves at a constant speed to put the article (A) on it and transport it. Conveyor 110 has various types, such as belt conveyor, screw conveyor, bucket conveyor, air conveyor, chain conveyor, roller conveyor, trolley conveyor, vibration conveyor, fluid conveyor.

The IoT data collection conveyor device 130 corresponds to a computing device capable of collecting IoT data of the article A that is loaded and moved on the transfer line of the conveyor 110 .

The IoT data collection conveyor device 130 can detect the article identification code of the article A and measure the image, weight and volume of the article A, and based on the detected article identification code and the weight and volume of the article It is possible to determine the transport direction (destination) and transport speed of the article A.

The IoT data collection conveyor device 130 may collect article transport information about the article A that has moved the conveyor 110, and convert the collected article transport information into a DB to perform a transport article statistical analysis.

The IoT data collection conveyor device 130 may be implemented including the database 150 , and may be implemented independently of the database 150 . When implemented independently of the database 150 , the IoT data collection conveyor device 130 may be connected to the database 150 through a network to transmit and receive data.

The database 150 may store various information required for IoT data collection on the smart supply chain for the conveyor, and may store the collected goods transport information. In addition, the present invention is not necessarily limited thereto, and information collected or processed in various forms may be stored in the process of collecting IoT data related to goods moving on a conveyor.

The database 150 may be composed of at least one independent sub-database for storing information belonging to a specific range, and may be composed of an integrated database in which at least one independent sub-database is integrated into one. When configured with at least one independent sub-database, each of the sub-databases may be wirelessly connected through Bluetooth, WiFi, etc., and may exchange data with each other through a network. When the database 150 is configured as an integrated database, the respective sub-databases may be integrated into one and include a control unit for managing mutual data exchange and control flow.

FIG. 2 is a block diagram illustrating the IoT data collection conveyor device 130 of FIG. 1 .

Referring to FIG. 2 , the IoT data collection conveyor device 130 includes an article identification code detector 210 , an article meter 230 , and an article control unit 250 .

The article identification code detector 210 is disposed on the upper portion of the transfer line and can detect the article identification code of the article (A). In one embodiment, the article identification code detector 210 may be implemented through an RFID (Radio Frequency Identification) reader. The article identification code detector 210 may install an RFID reader on the conveyor 110 to detect the article identification code attached to the article A loaded on the transfer line of the conveyor 110 . Here, the product identification code corresponds to unique information assigned to each product.

The product identification code may be implemented in various forms such as barcode, QR code, RFID, and image. The article identification code detector 210 may be implemented in various ways depending on the implementation form of the article identification code. For example, the article identification code detector 210 may be implemented through a scanner, an RFID reader, an optical character reader (OCR), or the like.

The article measuring device 230 is disposed on the upper portion of the transfer line at a position adjacent to the article identification code detector 210, and when a measurement signal is received, the image, weight, and volume of the article A can be measured. In one embodiment, the article weigher 230 measures the weight of the article (A) and the camera 231 capable of taking an image of the article (A) when the article (A) enters on the transfer line of the conveyor (110) It may include a load cell (233) that can. The article meter 230 may include a laser transmitter 235 and a laser receiver 237 to detect the entry of the article A and calculate the volume of the article A. Here, the laser transmitting unit 235 may be disposed across the upper portion of the transfer line to transmit a laser toward the article A, and may be composed of a line of laser transmitting members each having a different waveform. The laser receiving unit 237 may be composed of a series of laser receiving members that receive the reflected laser transmitted from the laser transmitting unit 235 and reflected by the article A, and each filter the corresponding waveform. A series of laser transmitting members and a series of laser receiving members may be alternately arranged.

The article meter 230 may detect entry of the article A based on the reflected laser reflected by the article A. In one embodiment, when the entry of the article (A) is detected, the article weigher 230 drives the camera 231 and the load cell 233 to take an image of the article (A) and measure the weight of the article (A). can The article meter 230 determines the transverse height of the article A based on the time difference between the laser emitted from the laser transmitter 235 and the reflected laser received from the laser receiver 237, and from the entry of the article A The volume of the article A can be calculated based on the traverse heights of the object A accumulated up to the exit.

In an embodiment, the article measuring device 230 may measure the weight and volume of the article A through a sensor device capable of measuring a distance, such as an ultrasonic sensor, an infrared laser sensor, or a LiDAR sensor. Here, the article measuring device 230 may calculate the volume (volume) by measuring the height, width, and length of the article A through measuring equipment.

The article control unit 250 determines whether to generate a survey signal based on the article identification code, classifies the article (A) to determine the destination of the article, and determines the movement speed of the transfer line based on the weight and volume of the article (A) can Here, the article destination may mean a branching direction when the conveyor 110 branches into multiple paths. The article control unit 250 may determine the type of the article A based on the article identification code and determine the need to measure the weight and volume of the article A to generate a measurement signal. For example, when the type of the article A is a small-scale courier service, the article control unit 250 passes the measurement of the weight and volume of the article A.

The article control unit 250 collects article transport information including the type, height, length, weight and volume of the article (A) that has moved the conveyor 110 based on the article identification code to create an article transport DB. have. In one embodiment, the article control unit 250 may analyze the article transport DB to calculate the article type, height, length, weight, and volume for each time period, and perform statistical analysis of transport articles. The article control unit 250 may determine whether to create a new branch point for the installation point of the article identification code detector 210 on the conveyor 110 through statistical analysis of the transferred article.

In an embodiment, the article control unit 250 may collect and analyze the article identification code and the survey data of the article meter 230 to process it into unified data. Here, the article control unit 250 may bundle data such as an article identification code (bar code, QR code, RFID, image, etc.), an actual image of the article, weight, volume, etc. into one data that can be utilized in the field.

The IoT data collection conveyor device 130 on the smart supply chain according to an embodiment initially collects item data in the logistics process of the item, maps the initially collected item data to the item data required in the field to sequentially process the items. have. For example, by using the product transport information combined with the initially collected product identification code and measurement data, each distribution is mapped to the weight data of the product in the distribution stage, volume data at the distribution center, and the product identification code at the sales site. , logistics, and on-site data can be used to sequence the steps of handling goods.

FIG. 3 is an exemplary view showing an installation state on the conveyor 110 of the article identification code detector 210 and the article meter 230 in FIG. 2 .

3 (A) shows the state seen from the upper side of the conveyor 110, (B) shows the state seen from the side of the conveyor (110).

Referring to (A) and (B) of FIG. 3 , an RFID reader 211 and a camera 231 are installed adjacent to each other in the upper portion of the article entry section of the conveyor 110 . A load cell 233 for measuring the weight of the article A is installed in the lower portion of the article entry section of the conveyor 110 . As shown in FIG. 4 , a laser transmitting unit 235 and a laser receiving unit 237 are alternately arranged on the upper portion of the conveyor 110 to transmit a laser toward the transfer line of the conveyor 110 and receive a reflected laser.

FIG. 4 is an exemplary view showing an arrangement state of the laser transmitting unit 235 and the laser receiving unit 237 in FIG. 3 .

Referring to FIG. 4 , in the laser transmitting unit 235 , the laser transmitting elements are arranged in a line across the transfer line at the top of the conveyor 110 . In the laser receiving unit 237 , respective laser receiving elements are disposed between the laser transmitting elements. Here, the laser transmitting elements and the laser receiving elements are alternately arranged. The laser transmitting unit 235 transmits a laser and the laser receiving unit 237 receives the reflected laser emitted from the laser transmitting unit 235 .

Again, returning to FIG. 3 , when the article A enters the transfer line of the conveyor 110 , the article identification code detector 210 detects the article A through the RFID reader 211 installed on the top of the conveyor 110 . It is possible to detect the item identification code attached to the The article measuring device 230 may detect the entry of the article based on the reflected laser received by the laser receiver 237 . If the time difference between the laser and the reflected laser is smaller than the set time, the article meter 230 regards it as a case reflected by the article A and detects the entry of the article. When the entry of the article is detected, the article meter 230 drives the camera 231 installed on the upper part of the conveyor 110 to capture an image of the article A. The article weigher 230 also measures the weight of the article A by driving the load cell 233 installed in the lower portion of the conveyor 110 when the entry of the article is detected. The article meter 230 determines the transverse height of the article A based on the time difference between the laser and the reflected laser through the laser transmitter 235 and the laser receiver 237 , and the conveyor 110 enters and exits the article. Calculate the volume of the article based on the transverse heights of the article accumulated until

5 is a flowchart illustrating an IoT data collection process on a smart supply chain for a conveyor performed in the IoT data collection conveyor device in FIG. 1 .

In FIG. 5 , the IoT data collection conveyor device 130 may perform movement of an article loaded on a transfer line (step S510 ). More specifically, the IoT data collection conveyor device 130 may perform movement of the article A loaded on the transfer line through the movement of the transfer line of the conveyor 110 .

The IoT data collection conveyor device 130 may detect the article identification code of the article (step S530). In one embodiment, the IoT data collection conveyor device 130 arranges the item identification code detector 210 on the transfer line and detects the item identification code attached to the item A loaded on the transfer line. . Here, the article identification code detector 210 may be implemented as an RFID reader 211, and an RFID tag is attached to the article A to read the RFID tag with the RFID reader 211 and move the conveyor 110 ( The item identification code of A) can be detected.

The IoT data collection conveyor device 130 may measure the image, weight, and volume of the article A (step S550). In one embodiment, the IoT data collection conveyor device 130 takes an image of the article through the article surveyor 230 disposed on the upper part of the transfer line at a position adjacent to the article identification code detector 210, and measures the weight of the article. can be measured and the volume of the article can be calculated. Here, the measurement of the article may be performed only when it is necessary to measure the weight and volume of the article according to the type of the article. The type of product may be determined based on the product identification code.

The IoT data collection conveyor device 130 may classify articles based on the article identification code, determine the destination of the article, and determine the moving speed of the transfer line based on the weight and volume of the article (step S570). More specifically, the IoT data collection conveyor device 130 classifies by type of item based on the item identification code through the item control unit 250, and when the transfer line is branched into several paths on the conveyor 110, it is sent to the destination. It is possible to control the direction of movement of goods by determining the direction of branching accordingly.

The IoT data collection conveyor device 130 may collect article transport information of the article moving the conveyor 110 (step S590). In an embodiment, the IoT data collection conveyor device 130 collects product transport information including the type, height, length, weight and volume of the product moving the conveyor through the product control unit 250 to create a product transport DB. can be created, and by analyzing the product transport DB, the type, height, length, weight, and volume of the product by time can be calculated, and statistical analysis of the transported product can be performed. Here, the article control unit 250 may determine whether to create a new branch point for the installation point of the article identification code detector on the conveyor 110 through statistical analysis of the transferred article.

Although the above has been described with reference to the preferred embodiments of the present application, those skilled in the art can variously modify the present application within the scope without departing from the spirit and scope of the present invention described in the claims below. and may be changed.

100: IoT Data Collection Conveyor System on Smart Supply Chain
110: conveyor 130: IoT data collection conveyor device
150: database
210: product identification code detector
211: RFID reader
230: item meter
231: camera 233: load cell
235: laser transmitter 237: laser receiver
250: item control
A: Goods

Claims (8)

Conveyor for performing movement of the goods loaded on the transfer line through the movement of the transfer line;
an article identification code detector disposed on the transfer line and detecting the article identification code of the article;
an article surveyor disposed on the upper portion of the transport line at a position adjacent to the article identification code detector and measuring the image, weight and volume of the article when a survey signal is received; and
A smart comprising an article control unit that determines whether to generate the survey signal based on the article identification code, classifies the article to determine an article destination, and determines the moving speed of the transport line based on the weight and volume of the article IoT data collection conveyor devices in the supply chain.
According to claim 1, wherein the product identification code detector
IoT data collection conveyor device on a smart supply chain, characterized in that it is implemented through an RFID (Radio Frequency Identification) reader.
The method of claim 1 , wherein the article meter
a series of laser transmitters disposed across the upper portion of the transport line to emit a laser toward the article and each having a different waveform; and
a series of laser receivers for receiving a reflected laser derived from the laser and reflected by the article, each of which filters a corresponding waveform;
The IoT data collection conveyor device on the smart supply chain, characterized in that the series of laser transmitters and the series of laser receivers are alternately arranged.
4. The method of claim 3, wherein the article meter
A camera that detects the entry of the article based on the reflected laser and takes an image of the article and a load cell that measures the weight of the article are driven, and based on the time difference between the laser and the reflected laser IoT data collection conveyor device on a smart supply chain, characterized in that determining the traverse height of the article and calculating the volume of the article based on the accumulated traverse heights of the object from entry to exit of the article.
According to claim 1, wherein the article control unit
The IoT data collection conveyor device on the smart supply chain, characterized in that the measurement signal is generated by determining the type of the article based on the article identification code and determining the need to measure the weight and volume of the article.
According to claim 1, wherein the article control unit
IoT data collection conveyor on the smart supply chain, characterized in that the article transfer DB is created by collecting article transport information including the type, height, length, weight and volume of the article moving the conveyor based on the article identification code Device.
According to claim 6, wherein the article control unit
IoT data collection conveyor device on a smart supply chain, characterized in that by analyzing the goods transport DB, calculating the type, height, length, weight, and volume of goods by time, and performing statistical analysis of transferred goods.
According to claim 7, wherein the article control unit
IoT data collection conveyor device on the smart supply chain, characterized in that it is determined whether or not to create a new branch point for the installation point of the article identification code detector on the conveyor through the statistical analysis of the transported article.

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