CN209182836U

CN209182836U - RFID reader

Info

Publication number: CN209182836U
Application number: CN201920065279.XU
Authority: CN
Inventors: 韦智勇
Original assignee: Nanning College for Vocational Technology
Current assignee: Nanning College for Vocational Technology
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2019-07-30
Anticipated expiration: 2029-01-15

Abstract

The utility model discloses a kind of RFID readers.The RFID reader includes RF transceiver module and the central processing module that connect with RF transceiver module；RF transceiver module includes antenna, radio-frequency module and module for reading and writing；Central processing module uses arm processor, display module, power module, USB interface, RAM, ROM, mobile communication module, GPS module and camera module is also respectively connected in central processing module, display module is made of touch panel and its peripheral circuit, and mobile communication module uses 4g moving chip or 5g moving chip.The RFID reader is easy to carry, and human-computer interaction intelligent has wide range of applications.

Description

RFID reader

Technical field

The utility model relates to RFID communication transfer technical field, specifically a kind of RFID readers.

Background technique

RFID technique, also known as radio frequency identification or radio frequency identification are a kind of communication technologys, can be known by radio signals Other specific objective simultaneously reads and writes related data, without establishing mechanical or optical contact between identifying system and specific objective.Wirelessly The signal of electricity is the electromagnetic field by being tuned into radio frequency, and data are sent out from the label being attached on article, with Automatic identification and the tracking article.Certain labels can be obtained by energy from the electromagnetic field that identifier issues in identification, and Battery is not needed；Also there is label itself to possess power supply, and can actively issue radio wave and (be tuned into the electromagnetism of radio frequency ).Label contains the information of Electronic saving, can identify within several meters.Unlike bar code, RF tag is not required to It is within identifier sight, can also be embedded in and be tracked within object.Currently, with RFID technique and embedded technology Development, it is a current research hotspot that the mobile devices such as RFID technique and mobile phone, which are combined,.

Utility model content

The purpose of the utility model is to provide a kind of RFID readers, have easy to carry, human-computer interaction intelligent and answer With it is in extensive range the advantages that.

To achieve the above object, the utility model uses following technical scheme:

A kind of RFID reader, including RF transceiver module and the central processing module being connect with RF transceiver module.It is described RF transceiver module includes antenna, radio-frequency module and module for reading and writing, antenna radio-frequency carrier signal for transmitting and receiving, radio-frequency module The signal is emitted by antenna after radio-frequency carrier signal for generating and amplifying, radio-frequency module is also used to antenna is received from penetrating It is transmitted to module for reading and writing after frequency identification tag transmitting or the demodulation of reflected radio-frequency carrier signal, module for reading and writing is for receiving and solving Label substance information is obtained after the signal of code radio-frequency module transmission, or will pass to radio frequency after the information coding of label will be written Tag operational is write in module completion, and module for reading and writing is also used to label substance information being transmitted to central processing module.The central processing Module use arm processor, central processing module be also respectively connected display module, power module, USB interface, RAM, ROM, Mobile communication module, GPS module and camera module；The display module is made of touch panel and its peripheral circuit；It is described Mobile communication module uses 4g moving chip or 5g moving chip.

As a further improvement of the above technical scheme:

The radio-frequency module includes radio-frequency oscillator, rf processor and radio frequency receiver；What radio-frequency oscillator generated penetrates Frequency carrier signal amplified by rf processor after by antenna emit, radio frequency receiver be used for receive by antenna send by RFID tag transmitting or reflected radio-frequency carrier signal, after radio-frequency module demodulates the radio-frequency carrier signal received It is transmitted to module for reading and writing.

The module for reading and writing includes that amplifier, decoding and error correction circuit, microprocessor, clock circuit, memory, I/O connect Mouth and power supply, microprocessor are separately connected decoding and error correction circuit, clock circuit, memory and I/O interface, the radio frequency mould Successively storage is into memory after the processing of amplifier, decoding and correction module for the signal that block sends over, and I/O interface is in Entreat processing module connection.

The power module is the lithium battery of 2000~5000mAh of capacity；The USB interface be Micro USB interface or Type C interface；The RAM uses eMMC memory, UFS memory or NVMe memory；The memory size of the ROM be 2G, 4G, 6G or 8G.

In addition, the central processing module is also connected with bluetooth module.The central processing module is also connected with capacity and opens up Module is opened up, capacity expands module and is provided with 1~3 SD card slot.The central processing module is also connected with key module, key mould Block is made of matrix keyboard and its peripheral circuit.

The beneficial effects of the utility model are:

The utility model RFID reader combines RF transceiver module with arm processor, and arm processor is also connected with aobvious Show module, power module, USB interface, RAM, ROM, mobile communication module, GPS module and camera module etc., so that the RFID Reader is easy to carry, and human-computer interaction is more intelligent, and imparts the more functions of the reader, has expanded being applicable in for it Range.

Detailed description of the invention

Fig. 1 is the connection schematic diagram of the preferred embodiment in the utility model.

Figure label are as follows: 1, display module；2, power module；3, RF transceiver module；31, antenna；32, radio-frequency module；33, Module for reading and writing；4, USB interface；5, bluetooth module；6,RAM；7, capacity expands module；8,ROM；9, mobile communication module；10, GPS module；11, camera module；12, key module；13, central processing module.

Specific embodiment

The utility model is illustrated with reference to the accompanying drawing, the specific embodiments described herein be merely to illustrate and It explains the utility model, is not used to limit the utility model, under the premise of not departing from the spirit of the design of the utility model, ability The various changes and improvements that domain those of ordinary skill makes the technical solution of the utility model should all fall into the utility model In protection scope.

As shown in Figure 1, the RFID reader of the present embodiment, connect including RF transceiver module 3 and with RF transceiver module 3 Central processing module 13.RF transceiver module includes antenna 31, radio-frequency module 32 and module for reading and writing 33, and antenna 31 is for emitting and connecing Radio-frequency carrier signal is received, radio-frequency module 32 is penetrated for passing through the transmitting of antenna 31 signal after generating and amplifying radio-frequency carrier signal Frequency module 32 is also used to antenna 31 is received after RFID tag transmitting or the demodulation of reflected radio-frequency carrier signal It is transmitted to module for reading and writing 33, module for reading and writing 33 obtains label substance letter after being used to receive and decode the signal of the transmission of radio-frequency module 32 Breath, or will be written after the information coding of label and pass to the completion of radio-frequency module 32 and write tag operational, module for reading and writing 33 is also used In label substance information is transmitted to central processing module 13.Central processing module 13 uses arm processor, central processing module 13 Display module 1, power module 2, USB interface 4, RAM 6, ROM 8, mobile communication module 9, GPS module 10 is also respectively connected With camera module 11.

Wherein, radio-frequency module 32 includes radio-frequency oscillator, rf processor and radio frequency receiver；What radio-frequency oscillator generated Radio-frequency carrier signal is emitted after being amplified by rf processor by antenna 31, and radio frequency receiver was transmitted for receiving by antenna 31 Come by RFID tag transmitting or reflected radio-frequency carrier signal, radio-frequency module 32 by the radio-frequency carrier received believe Number demodulation after be transmitted to module for reading and writing 33.

Wherein, module for reading and writing 33 includes amplifier, decoding and error correction circuit, microprocessor, clock circuit, memory, I/O Interface and power supply, microprocessor are separately connected decoding and error correction circuit, clock circuit, memory and I/O interface, radio-frequency module Successively storage is into memory after the processing of amplifier, decoding and correction module for 32 signals sended over, and I/O interface is in Processing module 13 is entreated to connect, label substance information is transmitted to central processing module 13 by I/O interface.

Wherein, display module 1 is made of touch panel and its peripheral circuit；Power module 2 is 2000~5000mAh of capacity Lithium battery；USB interface 4 is Micro USB interface or Type C interface；RAM 6 using eMMC memory, UFS memory or NVMe memory；The memory size of ROM 8 is 2G, 4G, 6G or 8G；Mobile communication module 9 is mobile using 4g moving chip or 5g Chip.

In addition, the central processing module 13 is also connected with bluetooth module 5, capacity expands module 7 and key module 12.Capacity It expands module 7 and is provided with 1~3 SD card slot.Key module 12 is made of matrix keyboard and its peripheral circuit.

Claims

1.RFID reader, including RF transceiver module (3) and the central processing module (13) being connect with RF transceiver module (3), It is characterized by: the RF transceiver module includes antenna (31), radio-frequency module (32) and module for reading and writing (33), antenna (31) is used for Transmitting and reception radio-frequency carrier signal, radio-frequency module (32) is for passing through antenna (31) hair after generating and amplifying radio-frequency carrier signal The signal is penetrated, radio-frequency module (32) is also used to antenna (31) is received from RFID tag transmitting or reflected radio frequency It is transmitted to module for reading and writing (33) after carrier signal demodulation, module for reading and writing (33) is used to receive and decode the letter of radio-frequency module (32) transmission Label substance information is obtained after number, or will be written after the information coding of label and be passed to radio-frequency module (32) and complete to write label Operation, module for reading and writing (33) are also used to for label substance information to be transmitted to central processing module (13)；The central processing module (13) arm processor is used, display module (1), power module (2), USB interface is also respectively connected in central processing module (13) (4), RAM (6), ROM (8), mobile communication module (9), GPS module (10) and camera module (11), display module (1) is by touching It controls panel and its peripheral circuit is constituted, mobile communication module (9) uses 4g moving chip or 5g moving chip.

2. RFID reader according to claim 1, it is characterised in that: the radio-frequency module (32) includes strength Device, rf processor and radio frequency receiver；The radio-frequency carrier signal that radio-frequency oscillator generates passes through after being amplified by rf processor Antenna (31) transmitting, radio frequency receiver, which is used to receive, to be emitted or is reflected back by RFID tag by what antenna (31) was sent The radio-frequency carrier signal come, radio-frequency module (32) are transmitted to module for reading and writing (33) after demodulating the radio-frequency carrier signal received.

3. RFID reader according to claim 1, it is characterised in that: the module for reading and writing (33) includes amplifier, solution Code and error correction circuit, microprocessor, clock circuit, memory, I/O interface and power supply, microprocessor be separately connected decoding and Error correction circuit, clock circuit, memory and I/O interface, the signal that the radio-frequency module (32) sends over is successively by amplification Into memory, I/O interface is connect with central processing module (13) for storage after device, decoding and correction module processing.

4. RFID reader according to claim 1, it is characterised in that: the power module (2) be capacity 2000~ The lithium battery of 5000mAh；The USB interface (4) is Micro USB interface or Type C interface；The RAM (6) uses eMMC Memory, UFS memory or NVMe memory；The memory size of the ROM (8) is 2G, 4G, 6G or 8G.

5. RFID reader according to claim 1, it is characterised in that: the central processing module (13) is also connected with indigo plant Tooth module (5).

6. RFID reader according to claim 1, it is characterised in that: the central processing module (13) is also connected with appearance Amount expands module (7), and capacity expands module (7) and is provided with 1~3 SD card slot.

7. RFID reader according to claim 1, it is characterised in that: the central processing module (13) be also connected with by Key module (12), key module (12) are made of matrix keyboard and its peripheral circuit.