CN105631629A

CN105631629A - Warehouse management system based on RFID technology

Info

Publication number: CN105631629A
Application number: CN201510987325.8A
Authority: CN
Inventors: 王树鑫
Original assignee: Harbin Mimi Rice Industry Technology Co Ltd
Current assignee: Harbin Mimi Rice Industry Technology Co Ltd
Priority date: 2015-12-27
Filing date: 2015-12-27
Publication date: 2016-06-01

Abstract

The invention provides a warehouse management system based on RFID technology. The system is formed by a power supply module, an LCD display module, a keyboard input module, a voltage conversion module, an RF module and a microcontroller. The power supply module, the LCD display module, the keyboard input module, the voltage conversion module and the RF module are connected to the microcontroller. Through constructing the microcontroller, an RFID system reader, LCD display and keyboard input are organically integrated into one body, and the rapid obtainment of cargo information and query of the cargo in a warehouse by a user are facilitated. At the same time the cargo in and out operations by an access control system are simulated in a handset, when the handset is in a cargo in or cargo out state, the cargo information carried by an electronic tag can be obtained through reading the electronic tag which passes the reader, through comparing the cargo information in the database, the related operation is carried out on the number of cargos, and the cargo information of a current warehouse is updated timely.

Description

A kind of WMS based on RFID technique

Technical field

The present invention relates to a kind of radio frequency identification technology, particularly to a kind of WMS based on RFID technique.

Background technology

Major name is RF identification more specifically in the application of automatic identification field for radiotechnics, and English RadioFrequencyIdentification by name, referred to as RFID. Important component part in radio-frequency recognition system is transponder (electronic tag is the one of transponder, and English name is Tag) and reader (English name is Reader). Electronic tag generally all can write the electronic data of set form. In actual applications, electronic tag is positioned at the surface of article to be identified. Reader is also referred to as electronics read head, inductive can be passed through or ELECTROMAGNETIC REFLECTION coupling contactlessly obtains the data message in electronic tag, thus realizing automatically identifying the purpose of object to be identified, it is possible to realize the management functions such as the data sampling and processing to object information and teletransmission by computer and computer network further.

Electronic tag is as the carrier of data message, it is possible to play the effect of mark identification, information gathering and item tracking; The radio-frequency recognition system being made up of electronic tag, read write line, antenna and application software can directly be connected with corresponding management information system, making each the article can by locating and tracking accurately, this novel and that comprehensive information management system can be present each side management work bring many facilities.

Storage plays important role in logistic industry, it is as the bridge connected between producers and consumers, whole logistics system there is considerable effect, old-fashioned WMS is because cargo tracking difficulty, waste of human resource are serious, goods information manages the shortcomings such as delayed, can not be used in the logistic industry of current high-speed cruising, RFID system is applied in intelligentized WMS, can not only effectively understand the goods information in warehouse, the cargo handling capacity in warehouse can also be accelerated, improve the inbound/outbound process speed of goods.

Summary of the invention

It is an object of the invention to provide a kind of WMS based on RFID technique, to meet the many requirements in the management of present warehouse logistics, accelerate the turnover goods speed in warehouse, it is provided that the query capability of articles from the storeroom.

The purpose of the present invention is achieved through the following technical solutions:

A kind of WMS based on RFID technique, described system is made up of power module, LCD MODULE, input through keyboard module, voltage transformation module, radio-frequency module and microcontroller; Described power module, LCD MODULE, input through keyboard module, voltage transformation module, radio-frequency module are connected with microcontroller respectively.

The control chip of described microcontroller adopts STC125A60S2 single-chip microcomputer, is made up of 36 programmable I/O buses.

Beneficial effects of the present invention: a kind of WMS based on RFID technique of the present invention, by constructing micro controller system by RFID system reader, liquid crystal display and input through keyboard organically integrate, user is facilitated to obtain goods information efficiently and the goods in warehouse is inquired about, the operation that goods is passed in and out by analog gate access control system on the handset simultaneously, stock up or during shipment state when hand-held set is in, the electronic tag read through reader can be passed through and obtain the goods information entrained by electronic tag, by comparing with the goods information in data base, the quantity of goods is carried out associative operation, upgrade in time the goods information of Current warehouse.

Accompanying drawing explanation

Fig. 1 is overall system architecture figure;

Fig. 2 is system working software flow chart.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Embodiment 1

As shown in Figure 1 and Figure 2, a kind of WMS based on RFID technique, described system is made up of power module, LCD MODULE, input through keyboard module, voltage transformation module, radio-frequency module and microcontroller; Described power module, LCD MODULE, input through keyboard module, voltage transformation module, radio-frequency module are connected with microcontroller respectively.

Embodiment 2

As shown in Figure 1, the system hardware of the present invention is designed and realization mainly for system core hardware hand-held set, hand-held set is the abbreviation of portable reader, it is that a kind of user of being easy to carries and the electronic label read-write equipment that uses at any time, its operation principle is identical with reader, in general it is the aggregation of reader and palm PC, generally can display with liquid crystal display screen and for income data and control operation with keyboard. The main composition of hand-held set has reader module for reading and writing, LCD MODULE, input through keyboard module, system realizes Card Reader, inquires about, stocks up, four functions of shipment, when system is in card reading status, hand-held function quickly reads the information of label, including the quantity of the article No. of goods, the position of storage and goods; It is the article No. information that hand-held set can pass through keyboard scan reading input when system is in query State, and inquires the goods information that this article No. is corresponding; When system is in and stocks up state, will being activated when label enters after in the magnetic field range of reader, transmit goods information by electromagnetic induction to reader, complementary goods is operated by system by the goods information obtained; Including the display to goods article No. and storage position, quantitatively carry out increase process simultaneously. When system is in shipment state similar to the state of stocking up, difference exactly quantity of goods has been carried out reduce operation.

Embodiment 3

As in figure 2 it is shown, the general work flow process of the core component hand-held set of the present invention:

1, after system start-up, the button carrying out keyboard scan check whether there is model selection is pressed, the basic menu of goods is displayed and demonstrates the article No. of goods, warehouse and quantity by liquid crystal display screen simultaneously, hand-held set is under card reading status by default, so radio-frequency module also assists in work, radio-frequency antenna produces the carrier signal of 13.56MHz, forms electromagnetic field and constitutes read-write region, enters the electronic tag in Card Reader region in order to check whether there is.

2. once there be electronic tag to enter read-write region, reader reads rapidly electronic tag and reads rapidly the serial number of electronic tag, and check with the data base in single-chip microcomputer thesaurus, find the goods information (article No. of goods, warehouse and quantity) corresponding with serial number, and be shown on liquid crystal display screen.

3. keyboard is the selection key being provided with four functions, respectively Card Reader, inquiry, shipment and stock up. When keyboard detection to these four buttons is pressed, system enters current key-press status simultaneously in liquid crystal screen display current state.

If being 4. card reading status, system operation is identical with default conditions.

5. when state is in query State, reader quits work, and single-chip microcomputer is substantially carried out keyboard scan function. Being numeral residue keyboard definition, digitized representation the article No. of goods, and when the corresponding button representing this goods is pressed, single-chip microcomputer is just by data base querying goods information (article No. of goods, warehouse and quantity), and is shown on liquid crystal display screen.

6. when state is in and stocks up state, reader is started working, form read-write region, check whether there is electronic tag passes through, but there is electronic tag through out-of-date, read the serial number of electronic tag, and obtain the goods information (article No. of goods, warehouse and quantity) corresponding to this serial number, and quantity is added " 1 " operation, then it is shown on liquid crystal display screen.

7. when state is in shipment state, reader is started working, form read-write region, check whether there is electronic tag passes through, but there is electronic tag through out-of-date, read 0 serial number of electronic tag, and obtain the goods information (article No. of goods, warehouse and quantity) corresponding to this serial number, and quantity is subtracted " 1 " operation, then it is shown on liquid crystal display screen.

Claims

1. the WMS based on RFID technique, it is characterised in that: described system is made up of power module, LCD MODULE, input through keyboard module, voltage transformation module, radio-frequency module and microcontroller; Described power module, LCD MODULE, input through keyboard module, voltage transformation module, radio-frequency module are connected with microcontroller respectively.

2. a kind of WMS based on RFID technique according to claim 1, it is characterised in that: the control chip of described microcontroller adopts STC125A60S2 single-chip microcomputer, is made up of 36 programmable I/O buses.