CN206058243U - A kind of personnel's register system based on RFID technique - Google Patents

Abstract

This utility model is related to a kind of personnel's register system based on RFID technique.Including CC2530 single-chip microcomputers, output module, radio-frequency module, crystal oscillating circuit, reset circuit, power circuit；Microprocessor is connected respectively with output module, radio-frequency module, radio-frequency module and non-contact IC card data communication, and output module is communicated with PC terminal datas；Crystal oscillating circuit, reset circuit, power circuit are connected with CC2530 single-chip microcomputers respectively.The system has the advantages that integrated level is high, circuit is simple, working stability and information transfer accuracy are high.

Description

A kind of personnel's register system based on RFID technique

Technical field

This utility model is related to a kind of personnel's register system, specifically a kind of personnel's register system based on RFID technique.

Background technology

In the teaching process of electrotechnical, electronic, practical teaching is exactly the important ring of training student innovation ability all the time Section.And the management of traditional University Electronic Laboratory is caused generally using artificial on duty, the pattern that student is attended class in units of class The arrangement underaction of experimental project, management mode closing, causes the waste of teaching resource.Opening Laboratory will improved Creative ability for students and developing ability, play an important role in terms of turning out the talent for integrating theory with practice.Opening During property laboratory research, equipment control and personal management are wherein important links, can be carried using RFID labels The management level of high Opening Laboratory, realize the intellectuality of Opening Laboratory Information Management System.

Utility model content

The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of integrated level is high, circuit letter The high personnel's register system based on RFID technique of single, working stability and information transfer accuracy.

Concrete technical scheme is as follows：

A kind of personnel's register system based on RFID technique, including CC2530 single-chip microcomputers, output module, radio-frequency module； CC2530 single-chip microcomputers are connected respectively with output module, radio-frequency module, radio-frequency module and non-contact IC card data communication, export mould Block is communicated with PC terminal datas.

Crystal oscillating circuit, reset circuit, power circuit are included also；Crystal oscillating circuit, reset circuit, power circuit respectively with CC2530 single-chip microcomputers connect.

The key-press module being connected with CC2530 single-chip microcomputers is also included, the module completes the switching of two kinds of mode of operations, wrapped Enrollment mode and query pattern are included, under enrollment mode, often IC-card of brush, switches between " going out ", " entering " two states.

Described radio-frequency module is realized using RFID chip FM1702SL.

Described output module turns Transistor-Transistor Logic level change-over circuit for USB, is realized using chip PL2303.

Described non-contact IC card is Mifare1 IC S50 cards.

Personnel's register system of this utility model design, using RFID technique, mainly includes CC2530 single-chip microcomputers, output mould The functional module such as block and radio-frequency module.Crystal oscillating circuit, reset circuit and power circuit are included also；

CC2530 single-chip microcomputers, crystal oscillating circuit, reset circuit and power circuit constitute the minimum system of single-chip microcomputer.CC2530 It is the senior singlechip microcontroller chip of a performance, there are three ancillary equipment in personnel's register system：FM1702 radio frequencies Module, output module and key-press module.On the one hand, the I/O port of CC2530 single-chip microcomputers can simulate SPI interface, complete and FM1702 The connection of radio-frequency module；On the other hand, UART interface of the output module by CC2530, completes level conversion, and personnel are registered Information is exported by serial ports.Radio-frequency module completes personnel from RFID chip FM1702SL and Mifare1 IC S50 cartoon letters Turnover information registration.FM1702 is a kind of non-contact card card reader special chip, is that radio frequency sends the core with receiver module The heart.Output module is that USB turns Transistor-Transistor Logic level change-over circuit, and it has invented serial ports USB interface, it is therefore an objective to which solving user does not have The available problem of serial ports.Key-press module can complete two kinds of mode of operations（Enrollment mode and query pattern）Switching, register mould Under formula, often brush and block, switch between " going out ", " entering " two states.

Compared with prior art, the system has simple integrated level height, circuit, working stability and information transfer accuracy high The advantages of.This system employs modular design, and integrated level is very high, while circuit connection is comparatively fairly simple, therefore Also convenient debugging.Jing is tested, and the system can be also very high with steady operation, the accuracy of information transfer, with certain Using value.

CC2530 microprocessor cost performances are very high, are widely used in various fields, especially need to be wirelessly transferred mould In the middle of the Electronic Control product of block.IC S50 cards are a kind of smart cards, and it has many good qualities, and such as security performance is good, transmission speed Fast, functional diversities etc. are spent, therefore it is used in multiple fields, and it is wherein wide with the use of field of transaction payments It is general.Serial ports output circuit, completes the output of card status information so as to can be acquired in PC.

Description of the drawings

Fig. 1 is overall system design block diagram of the present utility model；

Fig. 2 is structure chart of the present utility model.

Specific embodiment

Below in conjunction with Figure of description, the utility model is described in further detail：

As shown in figure 1, this utility model is mainly including the non-contact IC card, card reader, PC terminals being sequentially connected.Work as guarantor When having the Mifare1 IC S50 cards of personnel's essential information in card reader antenna sphere of action, card obtains energy to tie up The internal circuit that holds works；Now single-chip microcomputer is responsible for control card reader carries out a series of " card seekings → anti-collision → card selection → certification → read/write card " is operated, if it is successful, the key state information on card will be read, completes query pattern and enrollment mode Select, administrative staff's information of going forward side by side reads or writes；Then personal information is sent to PC terminals by single-chip microcomputer, by the further logarithm of PC According to being processed.

As shown in Fig. 2 more specifically, this utility model includes CC2530 single-chip microcomputers, output module and radio-frequency module, crystal oscillator Circuit, reset circuit and power circuit, crystal oscillating circuit, reset circuit, power circuit are connected with CC2530 single-chip microcomputers respectively. CC2530 is the senior singlechip microcontroller chip of a performance, has three ancillary equipment in personnel's register system： FM1702 radio-frequency modules, USB turn Transistor-Transistor Logic level change-over circuit and key-press module；For ancillary equipment FM1702 radio-frequency modules, USB Turn Transistor-Transistor Logic level change-over circuit and key-press module, single-chip microcomputer will be set up with them by corresponding pin and be contacted.And single-chip microcomputer is most Mini system constitutes card reader with FM1702 radio-frequency modules.Card reader can be with the Mifare1 IC S50 cards in the range of radiation signal Communication, also can turn Transistor-Transistor Logic level change-over circuit by output module, i.e. USB and output information to PC terminals to be shown.One side SPI interface can be simulated in face, the I/O port of CC2530 single-chip microcomputers, complete the connection with FM1702 radio-frequency modules；On the other hand, export UART interface of the module by CC2530, completes level conversion, and personnel's register information is exported by serial ports.Radio-frequency module is selected RFID chip FM1702SL and Mifare1 IC S50 cartoon letters, complete the information registration of the turnover of personnel.FM1702 is a kind of Non-contact card card reader special chip, is that radio frequency sends the core with receiver module.System is powered using DC12V single supplies, Then the voltage of+5 ,+3.3 V is produced through voltage transformation.Simultaneity factor takes a series of measures for reducing noise, and It is provided with the defencive functions such as short circuit, reversal connection, excessively stream, overvoltage, the kernel of CC2530 is powered as 3.3V, and the running voltage of FM1702 It is set as 5V, so plus after this power module, it is possible to using DC12V as system operating voltage, with support personnel's registration be The normal operation of system.Output module is that USB turns Transistor-Transistor Logic level change-over circuit, and it has invented serial ports USB interface, it is therefore an objective to solve Certainly user does not have the available problem of serial ports.Output module（That is USB turns Transistor-Transistor Logic level change-over circuit）Using chip be PL2303, It supports several operation systems, and stably can download.PL2303HX employs the operating frequency of 12MHz, and it can be by USB Signal is directly changed into rs 232 serial interface signal, and in accordance with 1.1 communication protocols of USB, the baud rate that can be selected has 22 kinds, its scope from 75 to 1228800, and support 5 kinds of data bits：5、6、7、8、16.Key-press module can complete two kinds of mode of operations（Step on Note pattern and query pattern）Switching, under enrollment mode, often brush and block, cut between " going out ", " entering " two states Change.

The above is only, to preferred embodiments of the present utility model, not scope of the present utility model to be defined, therefore On the premise of without departing from this utility model design spirit, this area ordinary skill technical staff is to structure described in the utility model Make, the equivalence changes made by feature and principle or decoration, all should fall in the protection domain that this utility model is applied for a patent；This reality With the new improvement for hardware system, method or the software innovated is not related to.

Claims (6)

1. a kind of personnel's register system based on RFID technique, it is characterised in that：Including CC2530 single-chip microcomputers, output module, penetrate Frequency module；CC2530 single-chip microcomputers are connected respectively with output module, radio-frequency module, and radio-frequency module is led to non-contact IC card data Letter, output module are communicated with PC terminal datas.

2. a kind of personnel's register system based on RFID technique according to claim 1, it is characterised in that：Crystalline substance is included also Shake circuit, reset circuit, power circuit；Crystal oscillating circuit, reset circuit, power circuit are connected with CC2530 single-chip microcomputers respectively.

3. a kind of personnel's register system based on RFID technique according to claim 2, it is characterised in that：Also include with The key-press module of CC2530 single-chip microcomputers connection, the module complete the switching of two kinds of mode of operations, including enrollment mode and inquiry mould Formula, under enrollment mode, often IC-card of brush, switches between " going out ", " entering " two states.

4. a kind of personnel's register system based on RFID technique according to claim 3, it is characterised in that：Described radio frequency Module is realized using RFID chip FM1702SL.

5. a kind of personnel's register system based on RFID technique according to claim 3, it is characterised in that：Described output Module turns Transistor-Transistor Logic level change-over circuit for USB, is realized using chip PL2303.

6. a kind of personnel's register system based on RFID technique according to any one in claim 1-5, its feature exist In：Described non-contact IC card is Mifare1 IC S50 cards.