Background technology
Warehousing has very important effect in national product circulation, and goods can put in storage accurately with outbound be then key link in warehousing.
At present, carry out goods warehousing or Delivery in storage enterprise, the main mode adopting scanning barcode, carries out registration management to goods information.
Radio-frequency (RF) identification, RFID (Radio Frequency Ident ification) technology, also known as radio frequency identification, it is a kind of communication technology, read and write related data by radio signals identification specific objective, and without the need to setting up machinery or optical contact between recognition system and specific objective.At present, REID is obtained for application in many industries.Such as, label is attached to an automobile just aborning, this car progress on a production line just can be followed the trail of by manufacturer; Be arranged on by label on medicine, medication management personnel just can track this medicine; Radio-frequency (RF) tag can also invest on livestock or pet, thus actively identifies (actively identify and be meant to prevent several livestocks or pet from using same identity) livestock or pet.The identification card of radio-frequency (RF) identification can make employee be entered the building part of pinning, and the radio frequency transponder on automobile also can be used for imposing the expense in charging section and parking lot.But owing to there is drift and the technical matters such as collision, RFID successful Application few in warehouse.
Drifting problem in RFID application, refer in rfid interrogator work read range, read and do not wished by the label read, such as in logistics operation, operating personnel wish that rfid interrogator can read the label of goods A, and in fact read the label of goods B, or read the label of A and B simultaneously.The main method of current solution RFID drifting problem is antenna direction by adjusting rfid interrogator and output power, controls the working range of rfid interrogator.
Collision problem in RFID application, refers to that multiple rfid interrogator and multiple RFID label tag work simultaneously, has occurred the mutual interference between rfid interrogator, between RFID label tag, cause label not distinguished accurately, occur the problem of skip.As far as possible the main method of current solution RFID collision problem reduces rfid interrogator under same operative scenario, thus reduce the probability of collision generation.
Therefore in actual job, in order to reduce the problem of drift, just need the working range reducing rfid interrogator, if need recognition to multiple label simultaneously, just need to increase rfid interrogator, simultaneously can produce collision problem again, drift and collision problem produce and conflicting simultaneously, are cause the key issue that in warehouse practical application scene, RFID read-write accuracy rate is lower.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the utility model is further elaborated.Should be appreciated that embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the utility model embodiment provides a kind of warehousing and storage activities device based on RFID technique, comprise electronic tag 1 and for loading and unloading, the implement 2 of transporting cargo, implement 2 is provided with RFID reader 3 and industrial computer 4, electronic tag 1 can communicate to connect with RFID reader 3, and RFID reader 3 is connected with industrial computer 4 signal.
As shown in Figure 2, warehouse, in order to store more goods, generally can use more counter, and be placed on by counter on goods yard 10, counter generally can be divided into multilayer, is placed on by goods 11 on the different shelf of counter.In WMS, in order to manage goods, generally goods yard 10 is numbered, goods 11 is also numbered, thus enable storage staff carry out warehouse-in and the outbound of goods accurately, ensure carrying out smoothly of warehousing and storage activities.
In warehousing and storage activities, for loading and unloading, the implement of transporting cargo is mostly fork truck, as will be understood by the skilled person in the art, except fork truck, also has other equipment to can be used in warehousing and storage activities, handling, transporting cargo.In the utility model embodiment, only for fork truck as implement, be described.
The course of work of the above-mentioned warehousing and storage activities device based on RFID technique is: (in the present embodiment, being only described for goods outbound)
First, in the process of tally, be arranged on by electronic tag on goods yard and goods, there is unique goods yard label in each goods yard, and each goods has unique label, stores the information of goods yard or goods.And by electronic labeling information typing warehouse management system.
Then, when the industrial computer display screen on fork truck showing outbound job instruction (wherein, Delivery instruction is sent by warehouse management system, the goods information needing outbound is comprised in job instruction, described goods information comprises the electronic labeling information in goods yard, goods place and the electronic labeling information of goods itself), operating personnel opens RFID reader, start fork truck, find goods yard, after the signal of RFID reader transmitting is received by goods yard electronic tag, goods yard electronic tag launches the RFID reader of goods yard information, then RFID reader reads goods yard information smoothly, then, goods is found again on goods yard, after the signal of RFID reader transmitting is received by goods electronic tag, goods electronic tag launches goods information to RFID reader, then RFID reader reads goods information smoothly, so far, the goods that operating personnel treats outbound is smoothly located.The goods information read and goods yard information bind together by RFID reader, transfer to warehouse management system by industrial computer, and then, operating personnel operates fork truck lade, completes the outbound of goods.
Visible, in the utility model embodiment, by installing RFID reader and industrial computer on fork truck, just in operation, while operation fork truck, the location to goods can be completed, and the acquisition to goods information, and use bar code scanner without the need to operating personnel, first get off from fork, near goods bar code, scanning barcode, then goods information is transferred to warehouse management system, complete the management of goods information, and then get back on fork truck, operation fork truck, completes loading and the outbound of goods.
So the apparatus for work that the utility model embodiment provides, compared with bar code scan mode, operation process can be made to become simple, reduce the workload of operating personnel, thus improve work efficiency, and then the quantity of operating personnel can be reduced, reduce cost of labor.
The utility model embodiment provides a kind of warehousing and storage activities device based on RFID technique, electronic tag 1 comprises goods yard electronic tag 6 and goods electronic tag 7, RFID reader 3 comprises goods yard RFID reader 8 and goods RFID reader 9, and goods yard electronic tag 6 can communicate to connect with goods yard RFID reader 8; Goods electronic tag 7 can communicate to connect with goods RFID reader 9.As shown in Figures 2 and 3.
The practical work process of this apparatus for work is: when needing the information obtaining goods yard, when goods yard is positioned, then use the goods yard RFID reader that can only communicate to connect with goods yard electronic tag, read the information of goods yard electronic tag, goods yard is positioned, and close goods RFID reader, then there will not be problem that is elegant and collision, thus improve the accuracy rate of location, goods yard; In like manner, when needing the information obtaining goods, when goods is positioned, then use the goods RFID reader that can only communicate to connect with goods electronic tag, read the information of goods electronic tag, goods is positioned, and closes goods yard RFID reader, then there will not be problem that is elegant and collision, thus improve the accuracy rate of goods location.
As shown in Figures 2 and 3, in the utility model embodiment, preferably, goods RFID reader 9 is arranged towards the direction of goods electronic tag 7, and goods yard RFID reader 8 is arranged towards the direction of goods yard electronic tag 6.Adopt such structure, goods RFID reader 9 can only be communicated to connect with goods electronic tag 7, and can not communicate to connect with goods yard electronic tag 6, goods yard RFID reader 8 can only communicate to connect with goods yard electronic tag 6, and can not communicate to connect with goods electronic tag 7.Thus improve the accuracy rate of the reading to goods or goods yard information.
Wherein, operating personnel can check job instruction by the display screen of industrial computer, also can be operated by industrial computer display screen, goods RFID reader 9 and goods yard RFID reader 8 are carried out to the operation of switch, so, in the present embodiment, operating personnel only needs to be in implement always, operation task equipment, industrial computer is just passable, and without the need to leaving implement, near goods, bar code information on scanning goods, return on implement, operation task equipment, or also without the need to the direction of the power and antenna that adjust RFID reader, also the information of goods yard or goods accurately can be read.
In the utility model embodiment, can also comprise Management Controller 5, Management Controller 5 is connected with industrial computer 4 signal.
Like this, see Fig. 4, can install warehouse management system in Management Controller, warehouse management system is used for the real-time management of Implementation repository cargo state and the allotment to warehouse homework.Managerial personnel can issue job instruction by warehouse management system, job instruction is sent on industrial computer by warehouse management system, and be presented on the display screen of industrial computer, warehouse homework personnel see job instruction by display screen, start operation task equipment and perform job instruction, complete outbound or the warehouse-in of goods.
In addition, the information of the information of goods electronic tag and goods yard electronic tag can be sent in the warehouse management system of Management Controller by industrial computer, realizes the real-time management to warehoused cargo and job information thereof.Thus provide reliable, believable goods information for customs or client, improve the credit worthiness of warehousing company.
By adopting technique scheme disclosed in the utility model, obtain effect useful as follows: the warehousing and storage activities apparatus and method based on RFID technique that the utility model embodiment provides, not only can simplify the running program of operating personnel, save the working time, increase work efficiency, and the accuracy rate that goods and goods yard information are read can be improved, ensure that warehousing is carried out smoothly, the real-time management of warehousing and storage activities information can also be realized, improve the confidence level of warehousing flow.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art it should be understood that the sequential of the method step that above-described embodiment provides can carry out accommodation according to actual conditions, also can carry out according to actual conditions are concurrent.
The hardware that all or part of step in the method that above-described embodiment relates to can carry out instruction relevant by program has come, described program can be stored in the storage medium that computer equipment can read, for performing all or part of step described in the various embodiments described above method.Described computer equipment, such as: personal computer, server, the network equipment, intelligent mobile terminal, intelligent home device, wearable intelligent equipment, vehicle intelligent equipment etc.; Described storage medium, such as: the storage of RAM, ROM, magnetic disc, tape, CD, flash memory, USB flash disk, portable hard drive, storage card, memory stick, the webserver, network cloud storage etc.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, commodity or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, commodity or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment comprising described key element and also there is other identical element.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should look protection domain of the present utility model.