CN201801122U

CN201801122U - Novel RFID-based rapid stock-taking device of stacking machine

Info

Publication number: CN201801122U
Application number: CN2010201456396U
Authority: CN
Inventors: 韩绍军; 徐正林; 陆金桂
Original assignee: JIANGSU NOVA LOGISTICS SYSTEM CO Ltd
Current assignee: Jiangsu six dimensional intelligent logistics equipment Limited by Share Ltd
Priority date: 2010-03-30
Filing date: 2010-03-30
Publication date: 2011-04-20
Anticipated expiration: 2020-03-30

Abstract

The utility model provides a novel rapid stock-taking device based on radio frequency identification (RFID) of a stacking machine, which can rapidly take the stock of the cargos of the stacking machine in automatic three-dimensional warehouse. The device comprises two RFID reading/writing devices and two detection sensors, which are mounted on the stacking machine, wherein the two RFID reading/writing devices and the two detection sensors are arranged on the two sides of the stacking machine respectively; and firstly the two detection sensors mounted on the stacking machine detect the existence of the cargos, and then the two RFID reading/writing devices on the stacking machine read the information of the cargos. The device accesses to the master CPU of the stacking machine through a DP gateway to form an on-site bus network, accesses to a control computer through a serial port exchanger to play the function of collecting the data of unit cargo and rewriting and deleting the data in the chip, and temporarily stores the cargo information and uploads all the cargo information to a main control computer after all the cargo information are processed, thereby achieving the purpose of rapid stock-taking of the cargos.

Description

Piler cargo quick stock-taking new equipment based on RFID

Technical field:

The utility model relates to the goods quick counting device in a kind of automatic stereowarehouse, particularly a kind of piler cargo quick stock-taking new equipment based on RFID (Radio Frequency Identification) technology.

Technical background:

Goods checking is one of most important work in the automatic stereo warehouse management, by goods checking can confirm goods reality stockpile number, investigate thoroughly the storehouse Paper Loss/Profit, find the store management existing problems.The rationalization of internal flows can promote the rationalization of resource distribution in the production process, the rationalization of technological process, thereby improve the competitive power of manufacturing business greatly, therefore for warehousing management enterprise, the level of internal flows has determined the production efficiency of enterprise and the height of cost, is the emphasis that enterprise remains to be excavated as the 3rd profit source.Along with automatic stereowarehouse application more and more widely, traditional goods manual operation checking method can not satisfy the requirement of modern logistics development, by employing new technology the goods checking process in three-dimensional warehouse is improved, quickening the internal flows speed of warehousing system, the efficient that reduces warehouse cost, raising warehousing management and benefit with this becomes the focus that the storage industry is paid close attention to.

The also main dependence of making an inventory of goods is manually carried out in the current automatic stereowarehouse.Accurate for what guarantee to make an inventory, traditional method is that the goods that stops the warehouse transporting activity, to guarantee that goods temporarily remains static, by the entire cargo in the thorough checking warehouse and stock of the personnel of making an inventory.Make an inventory for an once complete clear stocks in large-scale warehouse, spend the time of a couple of days possibly.Along with the continuous expansion of storage scale, the warehouse stock amount increases fast, traditional goods checking method inefficiency, and accuracy is difficult to be guaranteed.For time of making an inventory of saving articles from the storeroom, improve the efficient of making an inventory, reduce influence, method such as people have summed up Cycle Counting, periodic review in the long-term production business activities, emphasis is made an inventory and dynamically make an inventory to production and operation as far as possible.These are made an inventory substantially all is to rely on manual type, by to the searching one by one of goods, checks mutually with goods book information then and realizes.Owing to need realize that by manpower the efficient of not only making an inventory is low, and the error rate height to the Search and Orientation one by one of warehouse goods.It is bigger that simultaneously low excessively for storing temperature, humidity is excessive and other items storage environment, traditional method implement difficulty.Traditional goods manual operation checking method can not satisfy the requirement of modern logistics development.Therefore, by adopting new technology the goods checking process in three-dimensional warehouse is improved, seek a kind of more efficient, more advanced mode of taking stock, with this quicken warehousing system internal flows speed, reduce warehouse cost, the efficient and the benefit that improve warehousing management be necessary, and meaning is also very great.

Just present, there are some researchs in domestic scientific research institutions to the goods checking method in the automatic stereowarehouse, the RFID technology has also obtained certain application in Warehouse Management System (WMS), but the new piler cargo quick stock-taking technique that is based on the RFID technology does not also have relevant research.The representative studies that present domestic RFID uses in Warehouse Management System (WMS) mainly contains: the Zheng Pingbiao of Southwest Jiaotong University and Hou Haiyong have studied the application of RFID technology in the articles from the storeroom in-out-storehouse management; Liang Jiahai and Chen Hai have analyzed the application of RFID technology in each link of its warehousing management at the management condition in rice warehouse, Guangxi, and propose this technology research direction in future; Wang Limin, Ge Shilun and Jiang Yunping etc. are applied to the RFID technology among manufacturing enterprise's logistics, utilize Visual Basic to realize the tracking and the location of goods and materials in the Warehouse Management System (WMS); Liu Fagui, Jiang Ruilin and Hu Yaomin etc. have studied the RFID middleware framework, and have proposed a method of designing based on the Warehouse Management System (WMS) of IBM RFID middle unit development on the basis of the composition of introducing the RFID technology and characteristics thereof; Wu Huizhi, Zhu Yunlong and Luo Haibo etc. have carried out brief description to designing institute with label on the basis of analyzing RFID logistic storage management application background, proposed a kind of rfid interrogator design plan, key design rfid interrogator hardware and software module.

The utility model is the goods quick counting new equipment of relevant automatic warehouse stacker.The piler cargo quick stock-taking new equipment based on RFID that the utility model proposes is based on the RFID technology, and purpose is the purpose that finally reaches automatic stereowarehouse goods quick counting, improves enterprise's warehousing system good management.Owing to the utility model proposes goods quick counting new equipment, therefore can solve the deficiency of goods checking inefficiency in the existing tiered warehouse facility based on RFID technology and piler.Be changed to the basis with the piler cargo quick stock-taking new clothes that the utility model proposes, can carry out fast and effeciently making an inventory of articles from the storeroom, also will provide the actv. means for the efficient operation of guaranteeing automatic stereowarehouse.

Summary of the invention

The purpose of this utility model is based on the RFID technology, at the problem of goods checking inefficiency in the automatic stereowarehouse, proposes a kind of piler cargo quick stock-taking new equipment based on the RFID technology.

In order to achieve the above object, the technical solution adopted in the utility model is: a kind of piler cargo quick stock-taking new equipment of applying RFID technology.It is characterized in that: it by be installed in two rfid interrogators on the piler, two acquisition sensors are formed, wherein a rfid interrogator and an acquisition sensor are respectively installed in the both sides of piler; Link to each other with supervisory control computer by the serial port exchange, finish data rewrite and delete function in the data acquisition of unit goods and the chip; Adopt the DP gateway to link to each other, constitute fieldbus networks, finish unit goods data read task with the host CPU of piler.

In the utility model, when carrying out goods checking, in the block data of piler, open up a memory space for the unit cargo data in each goods yard, open up one simultaneously and confirm the data validation district of state with ECS; When piler receive the control convenience control system after instruction is made an inventory in the storehouse at a high speed, piler change data validation zone state, notice control convenience have received instruction and have prepared the beginning operation; In the whole inventory procedure, piler ceaselessly writes the chip data of reading in the corresponding data district; Whole tunnel is made an inventory and is finished, piler is changed the data validation zone state once more, and the notice control convenience is made an inventory and finished control convenience and read the results that makes an inventory all in the piler block data, generates the errors table of making an inventory, and the data validation district that removes piler, so far make an inventory and finish in the storehouse.

Based on this, when carrying out goods checking in automatic stereowarehouse, at first each pastes the one dimension sign indicating number or the two-dimensional bar that can identify own attribute on pallet and goods, during the group dish it is scanned respectively, sets up the corresponding relation of pallet and goods; Then group dish information is write in the RFID chip that pallet sticks on the pallet both sides, and put in storage in the automated warehouse storage system; Both sides at piler are installed acquisition sensor respectively, and when piler carried out transporting of goods and makes an inventory, at first whether the goods by sensor detection of a target position existed; In the both sides of piler RFID chip read write line is installed respectively, after piler receives the order of making an inventory,, is scanned all goods on the shelf one by one, read the pallet and the goods information in current goods yard according to layer, row, row or other suitable orders; Then with warehousing system management system WMS data bank in information compare, form the errors table of making an inventory.

Advantage of the present utility model: the utility model is based on the piler cargo quick stock-taking new equipment of RFID technology, can realize the quick counting of goods in the warehousing system, effectively improve the problem of goods checking inefficiency, reduce the goods checking cost, improve the level of management of enterprise's warehousing system.Therefore, the utility model can provide effective means for the operating efficiency of improving automatic warehouse stacker, the automatic management level that improves warehousing system, reduction business administration cost.

Description of drawings:

Accompanying drawing 1 is the overall structure scheme drawing of the utility model device;

Accompanying drawing 2 is that rfid system of the present utility model is formed scheme drawing;

Accompanying drawing 3 is applicating flow charts of the utility model device;

The specific embodiment:

Below in conjunction with accompanying drawing, the automatic warehouse stacker goods quick counting new equipment based on the RFID technology that the utility model proposes is described, its know-why and specific implementation method are as follows:

Fig. 1 is based on the system global structure scheme drawing of the piler cargo quick stock-taking device of RFID, mainly forms by piler, two readers, two sensors at the utility model, by the Programmable Logic Controller PLC realization that links to each other with computer control system.Wherein, in the both sides of piler an acquisition sensor is installed respectively, when piler carried out transporting of goods and makes an inventory, at first whether the goods by sensor detection of a target position existed; A RFID chip read write line is installed respectively in the both sides of piler simultaneously, after piler receives the order of making an inventory according to layer, row, row or other suitable orders, under the control of piler operation control system, scan all goods on the shelf one by one, read the pallet and the goods information in current goods yard; Programmable Logic Controller PLC is by to the control of read write line, realizes reading, analyze and calculating etc. of information, and goods information is temporarily stored in the memory space; After having made an inventory, carry out communication by infrared with computer control system, once all goods informations are uploaded in the computer control system.

The framework of hardware net adopts fieldbus networks in the utility model.Rfid interrogator has serial interface, and adopts the serial port exchange to link to each other with supervisory control computer, finishes data rewrite and delete function in the data acquisition of unit goods and the chip; Two rfid interrogators of every piler adopt a DP gateway to link to each other with the host CPU of piler, constitute fieldbus networks with this and finish unit goods data read task.

Fig. 2 is based on the composition scheme drawing of rfid system in the piler cargo quick stock-taking device of RFID, and rfid system is made up of data label, read-write equipment and upper computer PLC three parts in the utility model.Its principle of work is: after data label enters magnetic field, receive the signal that read write line sends by antenna, the information that relies on faradic energy will be stored in the chip sends, or initiatively sends the signal of a certain frequency with the self-energy source; Read write line is delivered to CIS and is carried out relevant treatment after receiving label information and decoding.

In the utility model, when carrying out goods checking, in the block data of piler, open up a memory space for the unit cargo data in each goods yard, open up one simultaneously and confirm the data validation district of state with control convenience; When piler receive the control convenience control system after instruction is made an inventory in the storehouse at a high speed, piler change data validation zone state, notice control convenience have received instruction and have prepared the beginning operation; In the whole inventory procedure, piler ceaselessly writes the chip data of reading in the corresponding data district; Whole tunnel is made an inventory and is finished, piler is changed the data validation zone state once more, and the notice control convenience is made an inventory and finished control convenience and read the results that makes an inventory all in the piler block data, generates the errors table of making an inventory, and the data validation district that removes piler, so far make an inventory and finish in the storehouse.

Fig. 3 is based on the piler cargo quick stock-taking device applicating flow chart of RFID, using invention of the present utility model when carrying out in the automatic stereowarehouse goods checking, at first each pastes the one dimension sign indicating number or the two-dimensional bar that can identify own attribute on pallet and goods, during the group dish it is scanned respectively, set up the corresponding relation of pallet and goods; Then group dish information is write in the RFID chip that pallet sticks on the pallet both sides, and put in storage in the automated warehouse storage system; Both sides at piler are installed acquisition sensor respectively, and when piler carried out transporting of goods and makes an inventory, at first whether the goods by sensor detection of a target position existed; In the both sides of piler RFID chip read write line is installed respectively, after piler receives the order of making an inventory,, is scanned all goods on the shelf one by one, read the pallet and the goods information in current goods yard according to layer, row, row or other suitable orders; Then with warehousing system management system WMS data bank in information compare, form the errors table of making an inventory.

Claims

1. based on the piler cargo quick stock-taking new equipment of RFID, it is characterized in that this device is formed by piler, rfid interrogator, acquisition sensor and with the communication apparatus of main control computer.

2. the piler cargo quick stock-taking new equipment based on RFID according to claim 1, it is characterized in that: the both sides of described piler are installed an acquisition sensor and a rfid interrogator respectively, survey goods by sensor and whether exist, read goods information by rfid interrogator.

3. the piler cargo quick stock-taking new equipment based on RFID according to claim 2, it is characterized in that: described rfid interrogator reads the label on the pallet, and is carried out the parsing of goods information by programmable logic controller (PLC) PLC.

4. the piler cargo quick stock-taking new equipment based on RFID according to claim 3, it is characterized in that: the information temporary storage after described programmable logic controller (PLC) PLC will resolve is in the storage area data piece of piler, after the goods for the treatment of whole tunnel has all been made an inventory, with the disposable host computer system that is uploaded to of goods information.