CN203325048U

CN203325048U - Access control system

Info

Publication number: CN203325048U
Application number: CN2013201053168U
Authority: CN
Inventors: 文光俊; 马玉林; 李建
Original assignee: University of Electronic Science and Technology of China
Current assignee: University of Electronic Science and Technology of China
Priority date: 2013-03-08
Filing date: 2013-03-08
Publication date: 2013-12-04
Anticipated expiration: 2023-03-08

Abstract

The utility model discloses an access control system. The access control system particularly comprises a UHF RFID (Ultra High Frequency Radio Frequency Identification) tag, a UHF RFID reader-writer, a background server communicated with the UHF RFID reader-writer, an access controller and an access control device, wherein the UHF RFID tag is used as an access control card of the access control system; the UHF RFID reader-writer is used for reading information in the UHF RFID tag, carrying out legality identification in the background server and sending different instructions into the access controller according to different identification results; the access controller is used for controlling the access control device according to the obtained instruction information sent by the UHF RFID reader-writer. The access control system disclosed by the utility model adopts the RFID tag based on the ultra-high frequency band as the access control card and has the advantages of long reading-writing distance, fast reading-writing speed and the like; the access control system can be applied to fields of automatic management of entering and exiting of vehicles and can be used for solving the difficulties that an RFID access control system cannot easily carry out long-distance and high-speed reading and writing.

Description

Gate control system

Technical field

The utility model belongs to gate inhibition's safety and technology of Internet of things field, is specifically related to a kind of design of gate control system.

Background technology

Along with Internet of Things planning is included into " 12 " planning, build the slogan in " wisdom city " and cried out sound, increasing new technology enters into daily life gradually, as wherein the most representative one, RFID(Radio Frequency Identification) technology brings increasing facility to people's life.The example that the RFID technology is applied in our daily life is a lot, and it is exactly more typical one that the RFID technology is applied in gate control system; Yet, in current RFID gate control system, still have a lot of problem and shortage.

At first, because the reading/writing distance of rfid interrogator is short, speed is slow, thereby just can't adopt more complicated enciphering and deciphering algorithm to complete access authentication, and then just make very high that safe class that the user authenticates can not do, read while write in the room entry/exit management that the limited RFID access card of distance also can't be applied to the main equipment such as vehicle.In addition, because the authentication of RFID is fairly simple, illegal read write line is easy to catch the RFID access card and copies or maliciously distort content wherein.The existence of these problems makes the RFID gate control system have very large potential safety hazard, has also limited the application and development of RFID technology in gate control system simultaneously.

The utility model content

The purpose of this utility model is to solve some problems that current RFID gate control system exists in actual applications, improves the speed of data communication, increases the distance of data communication, also will guarantee the security of authentication simultaneously.

The technical solution of the utility model is: a kind of gate control system, specifically comprise: UHF RFID label, the UHF rfid interrogator, access controller and entrance guard device, wherein, described UHF RFID label is as the access card of described gate control system, described UHF rfid interrogator is for reading the information of described UHF RFID label and carry out legitimate verification in background server, send different instructions in described access controller according to the difference of the result, the command information that described access controller sends according to the UHF rfid interrogator obtained is controlled described entrance guard device.

Further, described UHF rfid interrogator is communicated by letter with background server by WiFi network or gsm wireless network.

Further, described UHF RFID label specifically adopts the Monza4QT label chip.

The beneficial effects of the utility model are: gate control system of the present utility model adopts based on hyper band (Ultra High Frequency, UHF) RFID label is as access card, with common HF RFID label, compare, UHF RFID label has the advantages such as reading/writing distance is far away, read or write speed is fast, thereby can be applied to very easily the vehicle occasions such as automatic management of coming in and going out, before having solved, the RFID gate control system is difficult to carry out a difficult problem remote, the two-forty read-write.In addition, the utility model adopts has the UHF RFID label of secret storage space as access card, this label adopts advanced Qt technology, can safeguard two independently data fields, wherein, one is common storage area, another is privately owned memory block, privately owned memory block for example, for storing important user data (user's identity information), this part data is subject to the short distance protection, distant read write line can't be accessed, therefore this card can be used for the gate inhibition that level of security is higher and authenticates, common storage area can be for storing some relatively not too significant datas simultaneously, this part data can be accessed at a distance, thereby this card also can be used for the high speed gate inhibition that level of security is lower and authenticates, so the utility model can be realized gate inhibition's E-card management of company and residential quarter very easily, and there is higher security.

The accompanying drawing explanation

The structural representation of Fig. 1 gate control system of the present utility model.

Fig. 2 Monza4QT label chip common data configuration file schematic diagram.

Fig. 3 Monza4QT label chip private data configuration file schematic diagram.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described further.

The schematic diagram of gate control system of the present utility model as shown in Figure 1, specifically comprise: UHF RFID label, the UHF rfid interrogator, access controller and entrance guard device, wherein, described UHF RFID label is as the access card of described gate control system, described UHF rfid interrogator is for reading the information of described UHF RFID label and carry out legitimate verification in background server, send different instructions in described access controller according to the difference of the result, the command information that described access controller sends according to the UHF rfid interrogator obtained is controlled described entrance guard device.

The described gate control system here also comprises the background server of UHF rfid interrogator communication, for data maintenance and by the UHF rfid interrogator, realizes the authentication to UHF RFID label.

The UHF rfid interrogator is here communicated by letter with background server by WIFi network or gsm wireless network.

Here take the gate inhibition of company all-purpose card as example describes, specifically adopt the trendy of the U.S. outstanding company of English frequency 4 label chips are as the access card master chip, and this chip adopts advanced Qt technology, can safeguard two independently data fields.By the Qt technology, the label owner can carry out the memory machine ciphertext data with a private data district, and the private data profile information as shown in Figure 3, has a public data field simultaneously, store more insensitive information, the common data profile information as shown in Figure 2.Two same times of data field can only be opened one, can set the tag access password while switching two data fields, or by short distance mode, read range be dwindled, and also can apply this two kinds of modes simultaneously.

Some simple corporate logo information can be in the public data area of access card, stored, because this data field can conduct interviews in distant scope, thereby the voucher as turnover company gate can be placed in automobile.When having vehicle to want to enter the company gate, the UHF rfid interrogator that is arranged on the side, gate will read automatically near the card image in the vehicle at gate, and the data of reading are simply checked in background data base, checked result unanimously illustrates that this car is intra-company's vehicle and automatically lets pass, and checked result is inconsistent or read to be inquired and pass in and out registration less than the card image prompting operator on duty that gives the alarm.The utility model can significantly reduce gate sentry operator on duty's workload, improve the passage rate of vehicle, avoid vehicle to be detained and cause company's doorway traffic jam, can also effectively avoid the undetected of external vehicle simultaneously and sneak into, and then can improve the work efficiency of security department.

The utlity model has following advantage:

(1) access card used in this gate control system can be applied to easily the authentication security rank and require different occasions, is very beneficial for realizing in company or residential quarter that gate inhibition's all-purpose card is user-friendly to.

(2) advantages such as this gate control system is based on UHF RFID technology, has read or write speed fast, and reading/writing distance is far away, can be applied in the room entry/exit management of vehicle very easily.

(3) this gate control system adopts advanced Qt technology, important data are stored in to privately owned memory block, and the access of privately owned memory block need to be carried out in closer distance, and need to provide correct access password, thereby can greatly reduce the risk that significant data is stolen, and then guaranteed that this gate control system just has higher security performance.

(4) in the privately owned memory block of access, although remain closely read-write, but different from high-frequency coupling closely is that this gate control system is read and write at ultra-high frequency band all the time, and read or write speed is fast, thereby the encryption resolving Algorithm of running and comparing complexity in the above.

(5) because for the access password of reading and writing the privately owned storage area data of access card by the background data base unified management, whole verification process does not need outside manual intervention, thereby, compare this gate control system to crack difficulty larger with the gate control system that needed in the past outside input password, thereby have higher security.

Those of ordinary skill in the art will appreciate that, embodiment described here is in order to help reader understanding's principle of the present utility model, should be understood to that protection domain of the present utility model is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not break away from the utility model essence according to disclosed these technology enlightenments of the utility model, and these distortion and combination are still in protection domain of the present utility model.

Claims

1. a gate control system, it is characterized in that, specifically comprise: UHF RFID label, the UHF rfid interrogator, the background server of communicating by letter with the UHF rfid interrogator, access controller and entrance guard device, wherein, described UHF RFID label is as the access card of described gate control system, described UHF rfid interrogator is for reading the information of described UHF RFID label and carry out legitimate verification in background server, send different instructions in described access controller according to the difference of the result, the command information that described access controller sends according to the UHF rfid interrogator obtained is controlled described entrance guard device, described UHF RFID label specifically adopts the Monza4QT label chip.

2. gate control system according to claim 1, is characterized in that, described UHF rfid interrogator is communicated by letter with background server by WiFi network or gsm wireless network.