CN209691007U - A kind of modern high security NFC access control system - Google Patents
A kind of modern high security NFC access control system Download PDFInfo
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- CN209691007U CN209691007U CN201920783674.1U CN201920783674U CN209691007U CN 209691007 U CN209691007 U CN 209691007U CN 201920783674 U CN201920783674 U CN 201920783674U CN 209691007 U CN209691007 U CN 209691007U
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- nfc
- authentication
- control system
- access control
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Abstract
A kind of modern high security NFC access control system, including ID gate inhibition's card module, Anneta module, NFC wireless transport module, authentication module, door lock control module, power module, image processing module, wifi module, cloud server and APP, the ID access card inside modules include authentication IC, NFC radio transmitting device；The Anneta module includes for the communication coil inductance between ID gate inhibition's card module and the NFC wireless transport module；The NFC wireless transport module includes a radio circuit and main control MCU, and main control MCU is communicated by radio circuit and the Anneta module with ID gate inhibition's card module, and carries out authentication by IIC interface and the authentication module.The utility model high security NFC access control system low cost, small in size, function is simple, can use on some hotels, building, factory's access control system, greatly enhance safety.
Description
Technical field
The utility model relates to NFC access control system security technology areas, and in particular to a kind of modern high security NFC gate inhibition
System.
Background technique
There are the access control system, including building, hotel and factory etc. of each middle various kinds at present, but gate inhibition system currently on the market
All there is huge loophole in secure context in system, the content of ID gate inhibition's card module is only to be read to be come out, will very simple quilt
Imitated ID gate inhibition's card module a collection of out, for the loophole of this respect, we release modern high security NFC access control system.
Utility model content
In view of the above-mentioned problems, the utility model is intended to provide a kind of modern high security NFC access control system.
To realize that the technical purpose, the embodiment of the utility model be: a kind of modern high security NFC access control system, including
ID gate inhibition's card module, Anneta module, NFC wireless transport module, authentication module, door lock control module, power module, image
Processing module, wifi module, cloud server and APP, the ID access card inside modules include an authentication IC,
NFC radio transmitting device；The Anneta module include for ID gate inhibition's card module and the NFC wireless transport module it
Between communication coil inductance；The NFC wireless transport module includes a radio circuit and main control MCU, and main control MCU is by penetrating
Frequency circuit and the Anneta module are communicated with ID gate inhibition's card module, and pass through IIC interface and the authentication mould
Block carry out authentication, while according to authentication result judge whether control described image processing module carry out image taking processing and
Whether control the door lock control module and opens door lock.
Preferably, described image processing module, including camera, image processor and FLASH memory, image procossing
Device and the NFC wireless transport module are communicated by another group of serial interface with the wifi module, institute by serial communication
Image processing module is stated in authentication failure, carries out image taking, and be recorded in FLASH memory, when multiple certification
Failure, will do it image detection, when detecting that object is consistent, then captured image can be passed through the wifi module and the cloud
End server is sent to user APP.
As further technical solution, the wifi module, including antenna, router and wifi chip, the wifi
Module in router and the cloud server by being communicated；
As further technical solution, the cloud server includes a cloud platform, is used for and the wifi mould
Block and the APP carry out telecommunication；
As further technical solution, the APP, including mobile phone terminal or the end PC APP receive cloud clothes
Be engaged in device information and described image processing module is sent instructions to by cloud server.
Preferably, the door lock control module includes electric machine and lock core, control door lock opens the door and shutdown function.
As further technical solution, when ID gate inhibition's card module is close to door lock, wirelessly passed with NFC described in door lock
Defeated module is communicated, and NFC wireless transport module described in door lock can send a string and count to ID gate inhibition's card module, institute at random
It states ID gate inhibition's card module and sends the random number received in internal identity certification IC by IIC interface, authentication IC root
The key saved according to inside and the random number received carry out cryptographic calculation, and return to a string of MAC datas, institute by IIC interface
It states after ID gate inhibition's card module receives MAC data and wirelessly passes obtained MAC data by the NFC in ID gate inhibition's card module
Defeated device is sent back in the NFC wireless transport module in door lock, and NFC wireless transport module described in door lock can pass through
IIC interface sends same random number in authentication module described in door lock, and authentication module can be according to inside
The key of preservation and the random number received return to one group of MAC data by cryptographic calculation, and NFC described in door lock is wireless
Transmission module passes through the MAC for receiving authentication module described in MAC data and door lock in ID gate inhibition's card module
Whether data unanimously judge whether ID gate inhibition's card module is legal ID gate inhibition's card module.
Preferably, the authentication module includes an authentication IC, it is wireless by IIC interface and the NFC
Transmission module carries out authentication, and authentication IC includes the key of one group of 32 byte, the number that will be received by the key
One group of irreversible MAC data is obtained according to cryptographic calculation is carried out.
The utility model high security NFC access control system low cost, small in size, function is simple, can be in some hotels, building
It is used above space, factory's access control system, greatly enhances safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
The use environment schematic diagram of Fig. 2 the utility model.
Specific embodiment
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-2, specific embodiment described in the utility model is
The utility model discloses a kind of modern high security NFC access control system, including ID gate inhibition's card module, Anneta module,
NFC wireless transport module, authentication module, door lock control module, power module, image processing module, wifi module, cloud
Server and APP.
ID gate inhibition's card module is a card, inside include authentication IC, NFC wireless transport module and
Button cell；The Anneta module includes the coil inductance that a value is about 500uH, for ID gate inhibition's card module and described
Communication between NFC wireless transport module；The NFC wireless transport module includes a 13.56MHz radio circuit and master control
MCU, main control MCU are communicated by radio circuit and the Anneta module with ID gate inhibition's card module, and pass through IIC interface
With the authentication module carry out authentication, while according to authentication result judge whether control described image processing module into
Row image taking handles and whether controls the door lock control module and opens door lock.
The authentication module includes an authentication IC, by IIC interface and the NFC wireless transport module into
Row authentication.
The door lock control module includes electric machine and lock core, and control door lock opens the door and shutdown function.
The power module, including battery and charging circuit and voltage of voltage regulation, for powering to access control system.
Described image processing module, including camera, image processor and FLASH memory, image processor with it is described
NFC wireless transport module is communicated by another group of serial interface with the wifi module by serial communication；The wifi mould
Block, including antenna, router and wifi chip, the wifi module in router and the cloud server by being led to
Letter；The cloud server includes a cloud platform, for carrying out telecommunication with the wifi module and the APP；Institute
APP, including an APP are stated, it is mobile phone terminal or the end PC, it receives the information of cloud server and is sent out by cloud server
Send instruction to described image processing module.
Authentication IC in the authentication module includes the key of one group of 32 byte, can will be connect by the key
The data received carry out cryptographic calculation and obtain one group of irreversible MAC data, and authentication IC, and there is hardware FLASH to protect
Protective function can destroy internal flash when authentication IC, which encounters pressure, to be cracked automatically, thus protect internal key not by
It reads.
ID gate inhibition's card module can be communicated, door when close to door lock with NFC wireless transport module described in door lock
NFC wireless transport module described in lock can send a string and count to ID gate inhibition's card module at random, and ID gate inhibition's card module will
The random number received is sent to internal identity by IIC interface and authenticates in IC, the key that authentication IC is saved according to inside
With the random number received, cryptographic calculation is carried out, and a string of MAC datas are returned to by IIC interface, ID gate inhibition's card module connects
It receives and obtained MAC data is sent back into door lock by the NFC radio transmitting device in ID gate inhibition's card module after MAC data
In the NFC wireless transport module in.NFC wireless transport module described in door lock, can by IIC interface will similarly with
Machine number is sent in authentication module described in door lock, and authentication module can be according to the key and reception that inside saves
The random number arrived, by cryptographic calculation return one group of MAC data, NFC wireless transport module described in door lock by receive come
Judge from whether MAC data and the MAC data of authentication module described in door lock in ID gate inhibition's card module be consistent
Whether ID gate inhibition's card module is legal ID gate inhibition's card module.
Described image processing module authentication fail when, that is, judge ID gate inhibition's card module for it is illegal when, meeting
Work is waken up, image taking is carried out, and be recorded in FLASH memory, when multiple authentification failure, will do it image detection, sentence
Break multiple authentication when captured personage whether be same target, then can be by captured figure when detecting that object is consistent
As being sent to user APP by the wifi module and the cloud server.
Fig. 2 is a use environment schematic diagram of the utility model in average family door lock, the utility model high safety NFC
Access control system carries out the authentication of safety by ID access card and authentication module, while having shooting and overlength distance
Wireless transmission carries out security alarm function.
The above, only one of embodiment of the utility model, are not intended to limit the utility model, it is all according to
According to the technical essence of the utility model any trickle amendment, equivalent replacement and improvement to the above embodiments, should all include
Within the protection scope of technical solutions of the utility model.
Claims (7)
1. a kind of modern high security NFC access control system, including ID gate inhibition's card module, Anneta module, NFC wireless transport module,
Authentication module, door lock control module, power module, image processing module, wifi module, cloud server and APP,
Be characterized in that: the ID access card inside modules include authentication IC, NFC radio transmitting device；The Anneta module
Including for the communication coil inductance between ID gate inhibition's card module and the NFC wireless transport module；The NFC is wireless
Transmission module includes a radio circuit and main control MCU, and main control MCU passes through radio circuit and the Anneta module and the ID
Gate inhibition's card module communicates, and carries out authentication by IIC interface and the authentication module, while tying according to certification
Fruit judges whether that controlling described image processing module carries out image taking processing and whether control the door lock control module opening
Door lock.
2. a kind of modern high security NFC access control system according to claim 1, it is characterised in that: described image processing
Module, including camera, image processor and FLASH memory, image processor and the NFC wireless transport module pass through string
Port communications, and communicated by another group of serial interface with the wifi module, described image processing module fails in authentication
When, image taking is carried out, and is recorded in FLASH memory, when multiple authentification failure, will do it image detection, when detecting
Object is consistent, then can send user APP by the wifi module and the cloud server for captured image.
3. a kind of modern high security NFC access control system according to claim 2, it is characterised in that: the wifi module,
Including antenna, router and wifi chip, the wifi module in router and the cloud server by being communicated.
4. a kind of modern high security NFC access control system according to claim 2, it is characterised in that: the cloud service
Device includes a cloud platform, for carrying out telecommunication with the wifi module and the APP.
5. a kind of modern high security NFC access control system according to claim 2, it is characterised in that: the APP, including
One mobile phone terminal or the end PC APP, receives the information of cloud server and sends instructions to institute by cloud server
State image processing module.
6. a kind of modern high security NFC access control system according to claim 1, it is characterised in that: the door lock control
Module includes electric machine and lock core, and control door lock opens the door and shutdown function.
7. a kind of modern high security NFC access control system according to claim 1 to 6, it is characterised in that: institute
Stating authentication module includes an authentication IC, carries out identity with the NFC wireless transport module by IIC interface and recognizes
Card, authentication IC includes the key of one group of 32 byte, is obtained the data received progress cryptographic calculation by the key
One group of irreversible MAC data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783674.1U CN209691007U (en) | 2019-05-28 | 2019-05-28 | A kind of modern high security NFC access control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783674.1U CN209691007U (en) | 2019-05-28 | 2019-05-28 | A kind of modern high security NFC access control system |
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| Publication Number | Publication Date |
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| CN209691007U true CN209691007U (en) | 2019-11-26 |
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ID=68609233
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| CN201920783674.1U Active CN209691007U (en) | 2019-05-28 | 2019-05-28 | A kind of modern high security NFC access control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345130A (en) * | 2020-02-18 | 2021-09-03 | 佛山市云米电器科技有限公司 | Control method of intelligent door, intelligent door and computer readable storage medium |
-
2019
- 2019-05-28 CN CN201920783674.1U patent/CN209691007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345130A (en) * | 2020-02-18 | 2021-09-03 | 佛山市云米电器科技有限公司 | Control method of intelligent door, intelligent door and computer readable storage medium |
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Address after: 518027 Room 201, building a, No.1, Qianwan 1st Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen City, Guangdong Province (settled in Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen Haoshanghao Information Technology Co., Ltd Address before: 518052 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.) Patentee before: Shenzhen Haoshanghao Information Technology Co., Ltd. |