CN210757766U

CN210757766U - RFID intelligent inventory making robot system based on Internet of things

Info

Publication number: CN210757766U
Application number: CN201921729744.1U
Authority: CN
Inventors: 王建国
Original assignee: Yuanda Industrial Control Technology Hangzhou Co ltd
Current assignee: Yuanda Industrial Control Technology Hangzhou Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-16
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses an intelligent inventory making robot system based on RFID of the Internet of things, which comprises a central dispatching server, a plurality of wireless robots, a tracing circuit system, a goods shelf area and a manual goods taking center; the central scheduling server is connected with a plurality of wireless robots through a WiFi wireless network converted by a wireless AP, and the plurality of wireless robots are positioned on a tracing line system; the wireless robot comprises an RFID label collector, an information storage unit, a communication unit and a control system connected with a central scheduling server; the central scheduling server forms a global network topological graph; goods are placed in the goods shelf area, and RFID tags are arranged on the goods. The utility model has the advantages of many wireless robots cooperate the realization to the stock taking demand under the stock taking scene on a large scale, work efficiency is high, when certain robot breaks down, can continue to accomplish whole stock taking work through the adjustment to the route of advancing of robot, and when not hindering, system stability is high.

Description

RFID intelligent inventory making robot system based on Internet of things

Technical Field

The utility model relates to a storage inventory technical field, especially a robot system is inventoried to intelligence based on thing networking RFID.

Background

The warehouse checking refers to checking inventory and the like, and common methods include an account checking method and a spot inventory checking method, and a checking machine is often adopted as a tool. The warehouse checking function is to integrate and sum up the warehouse and check the inventory, the traditional method usually uses a manual handheld two-dimensional code scanner to scan and code the inventory on each goods shelf, and the goods shelf scans one by one layer by manpower, the workload is very huge, the total amount on the goods shelf changes every day, the checking is needed every morning, the temporary total amount checking is needed sometimes, some goods are easy to be missed by manual checking, and the accuracy of the total amount of the checking is influenced. At present, more and more enterprises apply a Radio Frequency Identification (RFID) technology to inventory, an RFID read-write technology performs inventory on items in a warehouse, one item is attached with one RFID tag, and an RFID reader reads tag information included in the nearby RFID tag.

For example, the patent publication No. CN 205451167U discloses a warehouse article checking robot and checking system, which comprises a RFID tag information collector, a communication device, a battery and a patrol robot body, wherein, by using the RFID radio frequency identification technology, the goods in the whole goods area are checked by one patrol robot body, the RFID tag information collector on the patrol robot body reads the RFID tag on the goods and transmits the information to the communication device, and the communication device interacts with the terminal, although the goods checking method effectively solves the problem that in the prior art, the reading of the RFID tag is easily interfered by other RFID readers and the reading and reading leakage phenomena of the RFID tag information occur when a plurality of RFID readers in the warehouse read the tag information of the RFID tag in the warehouse at the same time, but only one checking robot is used for checking the goods, and only the goods can be checked in a small range, once the system is applied to the inventory scene in a wider range, the working efficiency of the robot system is lower and has no great difference with manual inventory, and the whole inventory work stops when one inventory robot breaks down, so that some emergency situations cannot be dealt with, and the strain capacity of the system is poor.

Therefore, a more efficient intelligent inventory-taking robot system based on the RFID radio frequency technology is needed to meet the current inventory-taking requirement in a large-scale inventory-taking scene.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a based on thing networking RFID intelligence inventory making robot system. The system has the advantages that the multiple wireless robots cooperate with each other to meet the inventory requirement under the large-range inventory scene, the working efficiency is high, when a certain robot breaks down, the whole inventory work can be continuously completed by adjusting the advancing route of the robot, the work time is not delayed, and the system stability is high.

The technical scheme of the utility model: an RFID intelligent inventory checking robot system based on the Internet of things comprises a central scheduling server, a plurality of wireless robots, a tracing line system, a goods shelf area and a manual goods taking center; the central scheduling server is connected with a plurality of wireless robots through a WiFi wireless network converted by a wireless AP, and the plurality of wireless robots are positioned on a tracing line system; the wireless robot comprises an RFID label collector, an information storage unit, a communication unit and a control system connected with a central scheduling server; the central scheduling server forms a global network topological graph; goods are placed in the goods shelf area, and RFID tags are arranged on the goods.

In the RFID intelligent inventory making robot system based on the Internet of things, the tracing line system comprises an infrared tracing line, a plurality of two-dimensional code points are arranged on the infrared tracing line, and the infrared tracing line and the two-dimensional code points form a global network topological graph which is the same as that of the central scheduling server.

In the intelligent inventory making robot system based on the RFID of the Internet of things, the wireless robot is provided with the two-dimensional code scanning module and the infrared tracing module, and the two-dimensional code scanning module and the infrared tracing module are connected with the communication unit.

In the RFID intelligent inventory making robot system based on the Internet of things, the central scheduling server is provided with a plurality of application interfaces.

In the RFID intelligent inventory making robot system based on the Internet of things, the RFID label collector comprises an RFID reader-writer and a plurality of antennas, and the antennas are arranged in the height direction of the wireless robot at equal intervals.

In the RFID intelligent inventory making robot system based on the Internet of things, the wireless robot comprises a chassis and a machine body which are connected in a rotating mode, and pulleys are arranged below the chassis.

Compared with the prior art, the whole system of the utility model adopts a combination structure of a plurality of modules, such as a central dispatching server, a plurality of wireless robots, a tracing line system, a goods shelf area, a manual goods taking center, and the like, wherein the central dispatching server is connected with the plurality of wireless robots through a WiFi wireless network converted by a wireless AP, the central dispatching server is formed with a global network topological graph to manage all the wireless robots in real time and control the advancing direction of the plurality of wireless robots, concretely, the plurality of wireless robots have independent IP addresses, each wireless robot is provided with a two-dimension code scanning module and an infrared tracing module, the plurality of wireless robots are positioned on the tracing line system, the tracing line system comprises an infrared tracing line, the infrared tracing line is provided with a plurality of two-dimension code points, the infrared tracing line and the plurality of two-dimension code points form the same global network topological graph as the central dispatching server, the multiple wireless robots move along the tracing line system according to the planned infrared tracing line on the floor, after meeting the two-dimensional code points, the two-dimensional code position information is scanned and transmitted to the central dispatching server, the central dispatching server runs the Dijkstra algorithm to maintain the global network topology, the central dispatching server sends instructions to the wireless robots, and the next moving path of the multiple wireless robots is controlled.

Furthermore, the wireless robot comprises an RFID label collector, an information storage unit, a communication unit and a control system connected with a central scheduling server, by utilizing an RFID technology, a plurality of wireless robots automatically complete the inventory of the warehouse goods in the warehouse according to a planned path, the inventory time of a warehouse administrator is greatly shortened, when the goods are placed at an error position, an alarm signal can be automatically sent out, an inventory report is formed, the inventory times and the inventory difficulty of the warehouse staff are reduced, the staff burden is reduced, the inventory demands on the inventory scene in a large-range inventory scene are realized by the cooperation of the plurality of wireless robots, and the working efficiency is high; when a certain wireless robot is damaged and cannot work, the running routes of the multiple wireless robots can be changed by adjusting the algorithm of the central scheduling server, so that the wireless robots continue to complete the global goods inventory work, the work time is not delayed, the strain capacity of the system to sudden conditions is improved, and the stability is high.

In addition, the RFID tag collector comprises an RFID reader-writer and a plurality of antennas, and the antennas are arranged in the height direction of the wireless robot at equal intervals, so that the coverage of the RFID tag collector is greatly improved; the wireless robot comprises a chassis and a machine body which are connected in a rotating mode, wherein a pulley is arranged below the chassis, and the wireless robot can flexibly move to read RFID label information.

To sum up, the utility model has the advantages of many wireless robot cooperate the cooperation to realize the stock taking demand under the stock taking scene on a large scale, work efficiency is high, when certain robot breaks down, can continue to accomplish whole stock taking work through the adjustment to the route of advancing of robot, does not hinder man-hour, and system stability is high.

Drawings

Fig. 1 is a schematic diagram of the system architecture of the present invention;

FIG. 2 is a mechanical schematic of a wireless robot;

fig. 3 is a circuit diagram of an infrared tracking module.

Reference numerals: the system comprises a 1-central scheduling server, a 2-wireless robot, a 3-tracing line system, a 4-shelf area, a 5-manual goods taking center, a 21-RFID label collector, a 22-information storage unit, a 23-communication unit, a 24-control system, a 25-two-dimensional code scanning module, a 26-infrared tracing module, a 27-chassis, a 28-machine body, a 31-infrared tracing line and a 32-two-dimensional code point.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): an RFID intelligent inventory making robot system based on the Internet of things is structurally shown in figures 1 and 2 and comprises a central dispatching server 1, a plurality of wireless robots 2, a tracing line system 3, a shelf area 4 and a manual goods taking center 5; the central dispatching server 1 is connected with a plurality of wireless robots 2 through a WiFi wireless network converted by wireless APs, the plurality of wireless robots 2 are positioned on a tracing line system 3, and the central dispatching server 1 is formed with a global network topological graph to manage all the wireless robots 2 in real time and control the advancing directions of the plurality of wireless robots 2; the wireless robot 2 comprises an RFID label collector 21, an information storage unit 22, a communication unit 23 and a control system 24 connected with the central dispatching server 1, wherein the RFID label collector 21 collects RFID label information set on goods and transmits the RFID label information to the central dispatching server 1 for data analysis through the information storage unit 22 and the communication unit 23.

The tracing line system 3 comprises an infrared tracing line 31, a plurality of two-dimensional code points 32 are arranged on the infrared tracing line 31, and the infrared tracing line 31 and the plurality of two-dimensional code points 32 form a global network topological graph which is the same as that of the central dispatching server 1; each wireless robot 2 is provided with an independent IP address, each wireless robot 2 is provided with a two-dimensional code scanning module 25 and an infrared tracing module 26, the two-dimensional code scanning module 25 and the infrared tracing module 26 are connected with a communication unit 23, the two-dimensional code scanning module 25 scans two-dimensional code points 32 on a tracing circuit system 3, the infrared tracing module 26 identifies an infrared tracing line 31 on the tracing circuit system 3, scanned and identified position information is transmitted to the central dispatching server 1, the central dispatching server 1 issues instructions (turning, goods taking, suspending, continuing to advance and the like) to the wireless robots 2, and the next advancing path of the wireless robots 2 is controlled.

The central dispatching server 1 runs a Dijkstra algorithm to maintain a global network topology, the central dispatching server 1 is connected with a control system 24 of the wireless robots 2 and controls the actions of the multiple wireless robots 2, the multiple wireless robots 2 automatically complete the inventory of storage materials in a warehouse according to a planned path, the inventory time of a warehouse manager is greatly shortened, when the materials are placed at wrong positions, an alarm signal can be automatically sent out, an inventory report is formed to reduce the inventory times and the inventory difficulty of storage personnel, the burden of the personnel is relieved, and the inventory requirements of the multiple wireless robots 2 under a large-range inventory scene are realized in a cooperative mode.

The central scheduling server 1 is provided with a plurality of application interfaces.

The RFID tag collector 21 includes an RFID reader and a plurality of antennas, and the plurality of antennas are arranged at equal intervals in the height direction of the wireless robot 2; the wireless robot 2 comprises a chassis 27 and a body 28 which are connected in a rotating mode, and pulleys are arranged below the chassis 27.

The circuit diagram of the infrared tracking module 26 is shown in fig. 3, where DS1 is a power indicator, DS2 is a signal output indicator, 1 and 2 are marked by infrared transmitting tubes, U3 is an infrared receiving tube, 74HC04 is an inverter, P1 is a connecting terminal, when infrared emission is reflected back and received by the receiving tube, 3 and 4 are turned on, that is, 4 points are set to be low level, output after inversion is high level, the indicator is on, if no signal is received, 4 points are set to be high level, and after inversion is low level, the indicator is not on.

Claims

1. The utility model provides a based on thing networking RFID intelligence inventory making robot system which characterized in that: the system comprises a central dispatching server (1), a plurality of wireless robots (2), a tracing line system (3), a goods shelf area (4) and a manual goods taking center (5); the central scheduling server (1) is connected with a plurality of wireless robots (2) through a WiFi wireless network converted by a wireless AP, and the plurality of wireless robots (2) are positioned on the tracing line system (3); the wireless robot (2) comprises an RFID label collector (21), an information storage unit (22), a communication unit (23) and a control system (24) connected with the central dispatching server (1); the central scheduling server (1) is formed with a global network topological graph; goods are placed in the goods shelf area (4), and RFID labels are arranged on the goods.

2. The RFID intelligent inventory-taking robot system based on the Internet of things according to claim 1, characterized in that: the tracing line system (3) comprises an infrared tracing line (31), and a plurality of two-dimensional code points (32) are arranged on the infrared tracing line (31).

3. The Internet of things-based RFID intelligent inventory robot system according to claim 1 or 2, wherein: the wireless robot (2) is provided with a two-dimensional code scanning module (25) and an infrared tracing module (26), and the two-dimensional code scanning module (25) and the infrared tracing module (26) are connected with a communication unit (23).

4. The RFID intelligent inventory-taking robot system based on the Internet of things according to claim 1, characterized in that: and a plurality of application interfaces are arranged on the central scheduling server (1).

5. The RFID intelligent inventory-taking robot system based on the Internet of things according to claim 1, characterized in that: the RFID tag collector (21) comprises an RFID reader-writer and a plurality of antennas, and the antennas are arranged at equal intervals in the height direction of the wireless robot (2).

6. The RFID intelligent inventory-taking robot system based on the Internet of things according to claim 1, characterized in that: the wireless robot (2) comprises a chassis (27) and a machine body (28) which are connected in a rotating mode, and pulleys are arranged below the chassis (27).