CN206726314U - Gate control system based on WIFI probes - Google Patents

Abstract

The utility model discloses an access control system based on a WIFI probe, comprising: a data collector, a host computer for processing information of the data collector, a single-chip microcomputer for receiving information from the host computer, a storage chip connected to the single-chip computer, and a door connected to the single-chip computer. Lock control, connected to the single-chip microcomputer and displaying correct or incorrect information, set inside the door and connected to the unlock key of the single-chip microcomputer; the data collector is a probe that captures the WIFI MAC address and sends it to the upper computer in the form of a character stream . The utility model provides an access control system based on WIFI probes. The system uses WIFI probes to collect user data and compares it with the serial number stored in the memory. When the serial number is stored, the access control system will be opened, and personnel can Entering the access control system, when the serial number is not stored, the access control system is still closed and the alarm system is automatically turned on; the system is low in cost, easy to implement, easy to operate, and high in security.

Description

Access control system based on WIFI probe

technical field

The utility model relates to the field of intelligent access control, in particular to an access control system based on WIFI probes.

Background technique

The access control system is a system for managing entrance and exit passages, which is developed on the basis of traditional door locks. Traditional mechanical door locks generally match the key with the lock. Ordinary keys are easy to lose and cumbersome to wear. It is inconvenient for the key to be inserted into the lock hole in a dark environment. In order to solve these problems, electronic magnetic card locks and electronic combination locks have appeared. The emergence of these two locks has improved people's management of entrance and exit passages to a certain extent, and has brought passage management into the electronic age. However, with the continuous application of these two electronic locks, their own defects are gradually exposed. Magnetic card locks The information is easy to copy, the password of the combination lock is easy to leak, and their safety factors are all very low. With the development of proximity card technology and biometric technology, the access control system has developed by leaps and bounds, and a proximity card access control system has emerged. Such as random keyboard access control system, fingerprint recognition, iris recognition, face recognition and other access control systems. They have their own strengths in terms of security, convenience, and ease of management, but this type of access control system has disadvantages such as high cost, high technical requirements for user data collection information, complex structure, and difficult installation; the existing technology has not yet solved these questions.

Utility model content

In order to solve the deficiencies of the prior art, the purpose of this utility model is to provide an access control system based on WIFI probes. This system uses WIFI probes to collect user data and compare it with the serial number stored in the memory. When the serial number is When storing, the access control will be opened, and personnel can enter the access control system at this time. When the serial number is not stored, the alarm system will automatically open; the system is low in cost, easy to implement, easy to operate, and high in security.

In order to achieve the above object, the utility model adopts the following technical solutions:

The access control system based on WIFI probes includes: data collector, host computer for processing data collector information, single-chip microcomputer for receiving information from the host computer, memory chip connected to single-chip microcomputer, door control lock connected to single-chip microcomputer, connected to single-chip microcomputer and The display that displays correct or incorrect information is set inside the door and connected to the unlock key of the single-chip microcomputer; the data collector is a probe that captures the WIFI MAC address and sends it to the host computer in the form of a character stream.

For the aforementioned access control system based on WIFI probes, the single-chip microcomputer is AT89C51 single-chip microcomputer.

For the aforementioned access control system based on WIFI probe, the probe is TZ1002WIFI probe.

For the aforementioned access control system based on WIFI probe, the memory is AT24C02 read-write memory.

The aforementioned access control system based on WIFI probes also includes: an alarm connected to the above-mentioned single-chip microcomputer.

The aforementioned access control system based on WIFI probes also includes: a serial port communication module connected between the upper computer and the lower computer.

The aforementioned access control system based on WIFI probes, the serial port communication module consists of: MAX232 chip, the input and output pins of the chip are connected to the I/O port of the above-mentioned single-chip microcomputer.

The utility model is beneficial in that: the utility model provides an access control system based on a WIFI probe. The system uses the WIFI probe to collect user data and compares it with the serial number stored in the memory. When the serial number is stored , the access control will be opened, and personnel can enter the access control system at this time. When the serial number is not stored, the alarm system will automatically open; the system is low in cost, easy to implement, easy to operate, and high in security. The utility model is fast and convenient. When the probe search function is turned on, the MAC of the mobile terminal device can be collected within a few seconds, and the device can be searched in the pocket or school bag without taking the device out, greatly improving the convenience The utility model has high accuracy, each mobile terminal has a unique MAC address, the access control system automatically compares the collected data with the data in the memory, and automatically completes the opening and closing of the access control, with very high accuracy.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is the circuit diagram of the utility model single-chip microcomputer system;

Fig. 3 is the circuit diagram of the utility model gated lock;

Fig. 4 is the circuit diagram of the utility model memory;

Fig. 5 is the circuit diagram of the utility model serial port communication module;

Fig. 6 is a circuit diagram of the utility model unlocking key;

Fig. 7 is the circuit diagram of the utility model alarm;

Fig. 8 is a circuit diagram of the display of the present invention.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is made concrete introduction.

The access control system based on WIFI probes includes: data collector, host computer for processing data collector information, single-chip microcomputer for receiving information from the host computer, memory chip connected to single-chip microcomputer, door control lock connected to single-chip microcomputer, connected to single-chip microcomputer and The display that displays correct or incorrect information is set inside the door and connected to the unlock key of the single-chip microcomputer; the data collector is a probe that captures the WIFI MAC address and sends it to the host computer in the form of a character stream. As a preference, the single-chip microcomputer is an AT89C51 single-chip microcomputer. The access control system also includes: an alarm connected to the single-chip microcomputer. The upper computer and the lower computer communicate through the serial port communication module. The serial port communication module consists of: MAX232 chip, which connects the input and output pins of the chip to the I/O port of the above-mentioned single-chip microcomputer. The circuit diagram of each part of the utility model is as shown in Figure 2-8.

The operation process of this access control system is: 1) Data collection, when the device enters the effective WIFI probe search area, the MAC address will be collected by the WIFI probe. 2) Storage module: After the AT89C51 MCU receives the data, it sends the data to AT24C02, stores the MAC serial number and other user information of the device to be stored in the memory, and completes the user registration. Only the registered device will become a legal device , the access control can be successfully opened. 3) Display module: After the AT89C51 MCU receives the data, it compares it with the data in the memory. If the received data is in the memory, the display will display correct information; if the data does not exist, the display will display an error message. 4) Door control module: After the AT89C51 single-chip microcomputer receives the data, it compares it with the data in the memory. If the received data is in the memory, the access control is opened. If the data does not exist, the system recognizes it as a non-registered device, and the access control continues to lock. The alarm module opens automatically. 5) Key-controlled unlocking module: When people enter and exit from the inside, they only need to press the door-opening key of the key-controlled module, and the access control will be opened. 6) Alarm module: After the AT89C51 single-chip microcomputer receives the data, the data collected by the WIFI probe is compared with the data in the memory. If the collected data does not exist in the memory, the system recognizes it as a non-registered device, and the system will automatically turn on the buzzer alarm. 7) Serial communication module: The connection between the upper computer and the lower computer is mainly through the serial port. The MAX232 chip is used and the input and output pins of the chip are connected to the I/O port of AT89C51 to build the communication module of the system.

The probe uses Zhongke Aixun TZ1002 WIFI probe; the probe will grab the WIFI MAC address and send it to the host computer through the serial port in the form of a character stream. The format is as follows: Frame source MAC|Frame destination MAC|Frame category|Frame category| Channel|RSSI signal strength; For example: 08:11:96:7B:C9:40|20:76:93:36:B7:60|01|09|5|-62

The memory is AT24C02 read-write memory, which is compatible with higher-capacity memory and easy to replace when problems arise. AT24C02 is a memory for serial communication by SCL and SDA pins.

The WIFI probe sends the collected data to the host computer through the serial port, and the host computer analyzes the collected data to determine whether the data is valid. If the collected MAC signal strength is within the valid range, the upper computer will transmit the obtained information to the microcontroller AT89C51, and then the microcontroller controls other modules to complete display, alarm, judgment and gate control operations. When the collected data is stored, the access control will be opened, at this time personnel can enter the access control system, when the collected information serial number is not stored, the alarm system will automatically open, at this time, personnel cannot enter the access control system. The connection between the upper computer and the lower computer is mainly through the serial port. The MAX232 chip is used and the input and output pins of the chip are connected to the I/O port of the AT89C51. A 10µF electrolytic capacitor is connected to the pin of the MAX232 for filtering.

The utility model provides an access control system based on a WIFI probe, which collects user information through the WIFI probe, and the user only needs to bring the WIFI-enabled device (such as a mobile phone, a tablet computer, etc.) close to the WIFI probe, and the WIFI probe will automatically Obtain the MAC information of the device and compare it with the information of the head of household in the database. If the information is verified to be correct, the access control can be automatically opened. When the serial number is not stored, the alarm system will be turned on automatically; the system is low in cost, easy to implement, easy to operate and high in safety. The utility model is fast and convenient. When the probe search function is turned on, the MAC of the mobile terminal device can be collected within a few seconds, and the device can be searched in the pocket or school bag without taking the device out, greatly improving the convenience The utility model has high accuracy, each mobile terminal has a unique MAC address, the access control system automatically compares the collected data with the data in the memory, and automatically completes the opening and closing of the access control, with very high accuracy.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the above-mentioned embodiments do not limit the utility model in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation all fall within the protection scope of the utility model.

Claims (7)

1. the gate control system based on WIFI probes, it is characterised in that including：Data acquisition unit, processing data collector information Host computer, the single-chip microcomputer of the information of host computer is received, be connected to the storage chip of above-mentioned single-chip microcomputer, be connected to above-mentioned single-chip microcomputer Door lock controlled, above-mentioned single-chip microcomputer and the display of display information correctly or incorrectly are connected to, an inside is arranged at and is connected to above-mentioned The unlocking key of single-chip microcomputer；Above-mentioned data acquisition unit is crawl WIFI MAC address and host computer is sent in a manner of character stream Probe.

2. the gate control system according to claim 1 based on WIFI probes, it is characterised in that above-mentioned single-chip microcomputer is AT89C51 single-chip microcomputers.

3. the gate control system according to claim 1 based on WIFI probes, it is characterised in that above-mentioned probe is TZ1002WIFI probes.

4. the gate control system according to claim 1 based on WIFI probes, it is characterised in that above-mentioned memory is AT24C02 read-write memories.

5. the gate control system according to claim 1 based on WIFI probes, it is characterised in that also include：It is connected to above-mentioned The alarm of single-chip microcomputer.

6. the gate control system according to claim 1 based on WIFI probes, it is characterised in that also include：Connect host computer Serial communication modular between slave computer.

7. the gate control system according to claim 6 based on WIFI probes, it is characterised in that above-mentioned serial communication modular group Cheng You：MAX232 chips, the input of chip and output pin are connected to the I/O mouths of above-mentioned single-chip microcomputer.