KR101117614B1 - transfer and history of iron manufactured goods using wireless communication and method for maintaining transfer and history of iron manufactured goods - Google Patents

Abstract

The present invention provides a transfer and history management facility for steel products using wireless communication. The transfer and history management facilities of the steel products are attached to the inner circumference of the cylindrical steel products, respectively, a plurality of electronic tags and the position information and steel product history information of each of the steel products, any one of the steel products A crane for picking up and moving to a setting position, an information reading unit for wirelessly reading the position information and the steelmaking product history information registered in the electronic tag using a predetermined frequency band, and the reading of the read position information and the steelmaking history information. Pick up and move the information receiving unit wirelessly transmitted using the frequency band, the vehicle station that receives the transmitted position information and steel product history information, and controls the operation of the crane to move the steel products to the set position, and steel products And a server for transmitting an operation signal to the next-order station.

Electronic tag, seasonal, history management

Description

Transfer and history management facility of steel products using wireless communication and method of transport and history management of steel products using same {transfer and history of iron manufactured goods using wireless communication and method for maintaining transfer and history of iron manufactured goods}

The present invention relates to a transfer and history management facility of steel products using wireless communication,

More specifically, it is possible to accurately identify the spot position of a large number of coil products handled by steel mills by using wireless communication, and to wirelessly select and transfer products to be transferred to the set position. The present invention relates to a transfer and history management facility for steel products using the same and a method for transferring and history management of steel products using the same.

Typically, steel mills produce products of metals for construction or general industry.

Further, for example, steel mills produce rolled products of coils having a certain length and a certain thickness.

The steel products produced in this way are stored in a crane warehouse having a certain space for a certain period of time, and are withdrawn from the warehouse when there is a demand.

Here, the steel products produced are made in two kinds according to their size and demand use, and thus are loaded into the warehouse according to demand use by type and size.

In more detail, the crane warehouse of the steel mill product-packs the rolled steel products through a packaging line, receives the processed steel products as described above, loads them into a yard by using a crane, and loads the received steel products on demand. The goods are processed using an automated crane to leave the goods.

As described above, in order to draw out a plurality of kinds of steel products by size and withdraw the crane, conventionally, a sensor such as a weight scale, a width gauge, etc. was used to check the accuracy of the spot of the steel products during the lifting of the lane.

However, there is a problem that a malfunction may occur when the electronic sensor is used as described above, and when the steel products are of the same size, in particular, in the case of a coil product, there is a problem in that product recognition is inferior.

Therefore, there is a problem in that a product shipped by changing another product instead of a product to be drawn out at a set position due to a malfunction of a sensor or the like is changed.

Accordingly, in the related art, in order to make up for the above problems, the site is inspected by a certain manpower to confirm the accuracy of the coil steel products.

However, the role of manpower is to check whether the spot in the basic information management position that manages the coil steel products is correct or to perform field due diligence with a barcode reader. There is a problem that the product is changed or missing.

The present invention has been made to solve the above problems, and the first object of the present invention is to accurately determine the spot position of a large number of coil products that are handled in a steel mill where a high temperature atmosphere is formed using wireless communication. Accordingly, the present invention provides a transport and history management facility for steel products using wireless communication, and a transport and history management method for steel products using the same, which can reduce an error in grasping a product according to the worker's confirmation.

The second object of the present invention is to accurately recognize the location information and the product history information of each of the products in the case of working by moving any one of the desired products of a plurality of coils to a certain position, thereby preventing the error of the work. The present invention provides a transport and history management facility for steel products using wireless communication, and a method for transporting and history management of steel products using the same.

The third object of the present invention is to transport and history management of steel products using wireless communication and the steel products transfer and history management using the same to make it possible to accurately recognize the products according to the purpose of a plurality of products of the same shape In providing a method.

In order to achieve the above object, the present invention transport and history management facilities of steel products using the wireless communication is attached to the inner circumference of the cylindrical steel products, respectively, the position information and steel product history information of each of the steel products is registered A crane having a plurality of electronic tags, a gripper disposed on top of the steel products and a mobile unit connected to the gripper to pick up any one of the steel products, and moving the gripper to a set position; It is installed on the gripper of the crane so as to be close to the electronic tag attached to the inner circumference of the steel product when picking up the steel product, and wirelessly reading the position information and steel product history information registered in the electronic tag using a predetermined frequency band The information reading unit, the read position information and the seasonal steel history information using a predetermined frequency band A vehicle station which is electrically connected to an information receiving unit wirelessly transmitted through the LAN and the information receiving unit, receives the transmitted position information and the steel product history information, and controls the operation of the crane to move the steel product to the set position. And a server that is electrically connected to the onboard station and transmits an operation signal for picking up steel products to the onboard station and moving the set product to a set position.

Here, it is preferable that the next station compares the position information and the set position with each other and registers the result of the comparison as work performance information on the server.

The information reading unit is installed in the mobile unit and reads the position information registered in the electronic tag and the steelmaking product history information, and the gripper is installed in the gripper to distribute the position information and the steel product history information between the electronic tag and the reading unit. It is preferable to have one or two or more wireless antennas to be relayed in a constant frequency band.

In addition, the mobile unit has a lower end cylinder connected to the upper end of the gripper to elevate the gripper, and has a predetermined movement path and a predetermined length and is connected to the upper end of the elevating cylinder to receive an operation signal from the outside to maintain the elevating cylinder. It is desirable to have a travel path line that moves to a location.

On the other hand, the present invention transfer and history management method of the steel product using the wireless communication and the history management facility using a plurality of electronic tags attached to the inner circumference of the cylindrical steel products each of the steel products Registering the position information and the steel product history information, using a server to transmit a crane operation signal to pick up the steel products in the set position to the next car station, and to pick up the steel products to move to a certain position of the crane Installed in a gripper and wirelessly reading location information and steel product history information registered in an electronic tag on the inner circumferential surface of the steel product closest to each other when the steel product is picked up through a wireless antenna using a predetermined frequency band; By using the read position information and seasonal history information constant frequency Receiving wirelessly from the information reading unit through a band, receiving the transmitted position information and seasonal product history information using the next-order station electrically connected to the information-receiving unit, and the LAN; Using the server to compare the position information and the set position with each other and to confirm whether they match with each other; and when the position information and the set position match with each other, use the server to transmit an operation signal to the next station and And picking up the steel-making product to a setting position by using the step, and registering the work performance information on the position information and the setting position coinciding with the server using the next station.

Here, the crane preferably has a gripper for picking up any one of the steel products, and a moving unit connected to the gripper to move the gripper to a predetermined position.

The information reading unit relays the position information registered in the electronic tag and the steel product product history information through a wireless antenna installed in the gripper so as to be distributed in a predetermined frequency band, and uses the reading unit installed in the mobile unit. Preferably, the location information of the electronic tag and the steel product history information are transmitted wirelessly.

In addition, the mobile unit has a lower end of the elevating cylinder connected to the upper end of the gripper to elevate the gripper, and has a predetermined movement path and a predetermined length and is connected to the upper end of the elevating cylinder to receive an operation signal from the outside to move the elevating cylinder to a predetermined position. It is desirable to have a travel path line for moving to.

Hereinafter, with reference to the accompanying drawings, it will be described the transfer and history management facilities of steel products using the wireless communication of the present invention and the transfer and history management method of steel products using the same.

1 is a view showing the configuration of the transfer and history management facility of steel products using wireless communication that is being applied to cold rolling / hot rolling crane according to the present invention. Figure 2 is a block diagram showing a transport and history management facility for steel products using wireless communication of the present invention. Figure 3 is a block diagram showing a transport and history management facility of steel products using wireless communication of the present invention. 4 is a view showing a steel product is installed an electronic tag according to the present invention. 5 is a view showing the configuration of an electronic tag according to the present invention. Figure 6 is a flow chart showing a method of transport and history management of steel products using wireless communication of the present invention.

With reference to Figures 1 to 5, it will be described the configuration of the transport and history management facility of steel products using the wireless communication of the present invention.

1 and 2, the transfer and history management facility of the steel product of the present invention is large, the crane 200 for picking up the steel product of the cylindrical shape 10 and transported to the set position, steel products 10 Electronic tags 100 installed in each, an information reading unit 300 reading information registered in the electronic tags 100, and an information receiving unit receiving the information from the information reading unit 300 ( 400 and the vehicle-mounting unit 500 that receives information from the information receiving unit 400 and receives an operation signal from the server 600 to control the operation of the crane 200.

First, each of the electronic tags 100 is attached to the inner circumference of the cylindrical steel products 10 as shown in FIG. 4A.

In addition, each of the electronic tags 100 may be attached to a band 12 connecting the inner and outer circumferences of the cylindrical steel products 10 as shown in FIG. 4B.

Referring to FIG. 5, the electronic tag 100 includes an antenna 110, a wireless processing unit 120, and an information storage unit 130.

The information storage unit 130 registers the location information of each of the steel products 10 and the steel product history information. The position information is position coordinate information of the place where the steel products 10 are located, and the steel product history information may be information such as a production date and a work purpose of the product and characteristic values unique to the product.

The antenna 110 forms a predetermined frequency band with the wireless antenna 320 described below. The wireless processor 120 performs a role of transmitting and receiving predetermined information through the wireless antenna 320.

Referring to FIG. 1, the crane 200 is disposed above the steelmaking products 10.

The crane 200 is composed of a gripper 220 for picking up any one of the steel products 10, and a mobile unit 210 connected to the gripper 220 to move the gripper 220 to a predetermined position. do.

The mobile unit 210 is connected to the upper end of the gripper 220, the lower end of the lifting cylinder 211 to receive the operation signal from the server 600 to elevate the gripper 220, a constant movement path and a constant length And a movement path line 212 connected to an upper end of the elevating cylinder 211 and receiving an operation signal from the server 600 to move the elevating cylinder 211 to a predetermined position.

Here, the movement path line 212 may be formed along the X-Y axis.

Accordingly, the elevating cylinder 211 may be horizontally moved to a predetermined position along the movement path line 212, and the elevating cylinder 211 may be elevated along the Z axis to the place where the steelmaking product 10 is located. .

The gripper 220 may include a plurality of robot arms that can be picked up in close contact with the outer circumference of the steelmaking product 10.

The robot arms may be tightened or unrolled using a means such as a motor (not shown).

The information reading unit 300 may be installed in the crane 200 and wirelessly read the location information and the steel product history information registered in the electronic tag 100 using a predetermined frequency band.

The information reading part 300 includes a wireless antenna 320 and a reader 310.

The reader 310 is installed on the mobile unit 210, but is installed on the top of the lifting cylinder 211.

The reader 310 may read location information registered in the electronic tag 100 and steel product history information.

The wireless antenna 320 is installed on the gripper 220 is inserted into the inner circumference of the steel product to pick up the steel products, when the crane 200 picks up the steel products and the electronic tag 100 attached to the inner peripheral surface of the steel products Can be closest.

Thus, the wireless antenna 320 may be a predetermined frequency band so that the position information and the steel product history information between the electronic tag 100 and the reader 310 can be distributed.

The information receiver 400 may receive the read position information and the seasonal steel history information wirelessly using a predetermined frequency band.

The vehicle station 500 is electrically connected to the information receiver 400 and the LAN 410, and electrically connected to control the operation of the crane 200.

Accordingly, the vehicle station 500 may receive the position information and the steelmaking product history information from the information receiving unit 400, and control the operation of the crane 200 to move the steelmaking product 10 to a predetermined position.

The server 600 is electrically connected to the onboard station 500 and transmits an operation signal to the onboard station 500 to pick up the steel product 10 and move it to a set position.

Here, the onboard station 500 may compare the location information and the location information to be moved to each other and transmit the comparison result to the server 600.

Next, referring to FIGS. 1 to 6, a transfer and history management facility for steel products using wireless communication configured as described above and a transfer and history management method for steel products using the same will be described.

First, a plurality of electronic tags 100 attached to the inner circumference of the steel products 10 having a cylindrical shape are attached.

Here, the steel products are formed in a cylindrical shape forming a through hole therein.

The location information of each of the steelmaking products 10 and the steelmaking product history information are registered in the electronic tags 100 (S100).

Accordingly, the electronic tag 100 installed in each of the plurality of steel products 10 registers the location coordinate information and the product characteristic values of the location where they are located.

Subsequently, the server 600 transmits an operation signal to the onboard station 500 in order to transfer the product 10 disposed at the set position (S200).

That is, the server 600 selects the target material which is the steel product 10 to be moved to the set position according to the schedule as shown in FIG. 3, and instructs the vehicle upper part 500 to work.

Subsequently, the vehicle 500 receives the work instruction as described above and transmits an operation signal to the crane 200.

Accordingly, the lifting cylinder 211 is constantly moved along the movement path line 212, and the gripper 220 connected to the lower end of the lifting cylinder 211 is near the product 10 by the lowering operation of the lifting cylinder 211. Can be lowered.

That is, the vehicle station 500 operates the crane 200 and requests the recognition of the electronic tag 100 to the information reading unit 300 using the information receiving unit 400.

Therefore, the information reading unit 300 installed in the crane 200 reads the position information and the steel product product history information registered in the electronic tag 100 by using a predetermined frequency band (S300).

That is, the reader 310 installed at the upper end of the elevating cylinder 211 is electronically provided through the wireless antenna 320 installed in the gripper 220 which is closest to the electronic tag 100 of the steel product when the steel product is picked up. The tag 100 is wirelessly communicated through a predetermined frequency band.

Therefore, the reader 310 may wirelessly read the location information and product history information of the steel product registered in the electronic tag 100 through the wireless antenna 320.

More specifically, the information reading unit 300 such as the RFID reader receives a recognition request from the information receiving unit 400.

In addition, the information reading unit 300 transmits the recognition request to the wireless processing unit 110 of the electronic tag 100.

The wireless processor 110 requests location information and product history information from the information storage unit 130.

In addition, the wireless processor 110 wirelessly transmits a response result according to the request for location information and product history information to the reader 310 of the information reading unit 300 using a predetermined frequency band through the antenna 120.

Subsequently, the reader 310 transmits the location information and the product history information to the information receiver 400 using the wireless antenna 320.

Therefore, the information receiver 400 may receive the read position information and the seasonal steel history information wirelessly from the information reading unit 300 through a predetermined frequency band (S400).

As such, the location information and the seasonal history information wirelessly transmitted from the information reading unit 300 are transmitted from the information receiving unit 400 to the next-order station 500 through the LAN 410 (S500).

The vehicle station 500 compares the setting position of the steel product 10 to be transferred received from the server 600 with the position information received from the information receiving unit 400 and the steel making history information, and compares them with each other. It may be determined (S600).

The set position and position information are position data consisting of coordinate values.

If the set position of the steel product 10 to be transferred and the position information received from the information receiver 400 coincide with each other, the server 600 transmits an operation signal to the next station 500 again. , Using the gripper 220 of the crane 200 to grip the steel product 10 and to be transported to a set position (S700).

Subsequently, the vehicle bureau 500 may transmit, to the server 600, job performance information indicating that the location information of the steel product 10 to be transferred and the location information received from the information receiving unit 400 coincide with each other ( S800).

Therefore, the server 600 may store the work performance information as information about accurately transferring the steel products 10 at a predetermined position.

On the other hand, when the location information of the steel product 10 to be transferred and the location information received from the information receiving unit 400 are different from each other, the server 600 transmits an operation signal back to the next-order station 500 To transfer the crane 200 to the position of the other steel products 10, the positional information and the product history information of the steel products 10 are re-transmitted as described above to set the position and information of the steel products 10 to be transferred The position information received from the receiver 400 matches the product 10, and the gripper 220 is used to grip the steel product 10 using the gripper 220, and is transferred to a set position to be positioned.

Therefore, according to the present invention, among the plurality of steel products 10, the steel product 10 having the position information corresponding to the setting position of the steel product 10 to be conveyed can be accurately selected and transferred to the setting position.

In addition, the server 600 stores the work performance information as described above in real time and analyzes the degree of coincidence with the set position of the steel product 10 and the position information of the steel product 10 received from the information receiver 400. You may.

Accordingly, the present invention can prevent an operation error caused by transferring the steel products 10 having different position information from the position information of the steel products 10 to be transferred to the set position.

Accompanying drawings Figure 7 is an exemplary view for showing the configuration of the transport and history management facility of steel products using wireless communication is being applied to the wire rod crane in accordance with the present invention, the crane cold rolled / hot rolled crane described above It is classified as a crane, in order to implement the present invention, the cold rolled / hot rolled crane is installed with one antenna, and the wire rod crane is provided with two or more.

This is because the cold-rolled / hot-rolled product is a one-product crane is moved, the wire rod product is moved two or more cranes.

The frequency band described above may be set differently according to a region or environment, and thus the present invention is not limited thereto.

1 is a view showing the configuration of the transfer and history management facility of steel products using wireless communication that is being applied to cold rolling / hot rolling crane according to the present invention.

Figure 2 is a block diagram showing a transport and history management facility for steel products using wireless communication of the present invention.

Figure 3 is a block diagram showing a transport and history management facility of steel products using wireless communication of the present invention.

4a and 4b is a view showing a steel product is installed an electronic tag according to the present invention.

5 is a view showing the configuration of an electronic tag according to the present invention.

Figure 6 is a flow chart showing a method of transport and history management of steel products using wireless communication of the present invention.

Figure 7 is an exemplary view for showing the configuration of the transport and history management facility of steel products using wireless communication is being applied to the wire rod crane according to the present invention.

** Description of symbols for the main parts of the drawing **

100: electronic tag 200: crane

300: information reading unit 310: reader

320: wireless antenna 400: information receiver

500: Secondary Bureau 600: Server

Claims (8)

delete delete delete delete delete A plurality of electronic tags attached to the inner circumference of the cylindrical steel products, respectively, in which position information and steel product history information of each steel products are registered; A crane disposed on top of the steel products and having a gripper for picking up any one of the steel products, and a moving unit having a cylinder and a movement path line connected to the gripper to move the gripper to a set position; A reader installed in the mobile unit of the crane and reading position information registered in an electronic tag and steelmaking product history information; When the gripper picks up the steel product, it is installed on the gripper of the crane so as to be close to the electronic tag attached to the inner circumference of the steel product, so that the positional information and steel product history information between the electronic tag and the reader can be distributed. An information reading unit including one or two or more wireless antennas relaying in a frequency band; An information receiver configured to wirelessly transmit the read position information and seasonal history information using a predetermined frequency band; Electrically connected through the LAN and the information receiver, receiving the transmitted position information and steel product history information, and controls the operation of the crane to move the steel product to the set position by comparing the position information and the set position with each other The next bureau; And A server electrically connected to the onboard station, transmitting an operation signal for picking up steel products to the onboard station and moving the set product to a set position, and registering a result of comparing the position information of the onboard station with the set position information as work performance information ; In the transfer and history management method of steel products using steel products transfer and history management facility using wireless communication, Registering location information and steel product history information of each of the steel products using a plurality of electronic tags respectively attached to the inner circumference of the cylindrical steel products; Transmitting an operation signal to a crane having a gripper capable of picking up the steelwork product and a mobile unit connected to the gripper to move the gripper, in order to pick up the steelwork product at a predetermined position using the server; Installed in the gripper of the crane for picking up the steel products to move to a certain position, the location information and steel product history information registered in the electronic tag on the inner peripheral surface of the steel products closest to when the steel products are picked up through a wireless antenna is a predetermined frequency band Wirelessly reading position information and seasonal product history information registered in an electronic tag using a predetermined frequency band by using an information reading unit relaying to be circulated in a network; Receiving wirelessly the read position information and the steel making history information from the information reading unit through a predetermined frequency band using the information receiving unit; Receiving the transmitted position information and the seasonal product history information by using the next-order station electrically connected to the information receiver through a LAN; Comparing the location information and the set location with each other using the next station and transmitting to the server whether or not they match with each other; If the position information and the setting position do not coincide with each other, transmitting an operation signal to the next-order station using a server and using a crane to pick up the steel products to a setting position; And Transfer and history management method of the steel products using the transfer and history management equipment of steel products using wireless communication comprising the step of registering the job information about the position information and the set position to the server using the next station . delete delete

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