CN208985226U - A kind of intelligent access control system based on wireless network - Google Patents

Abstract

The utility model relates to the intelligent access control systems based on wireless network, the system includes CPU module, power module, wireless network module, gate inhibition's module and smart phone, the power module is separately connected CPU module, wireless network module and gate inhibition's module, the CPU module is separately connected power module, wireless network module and gate inhibition's module, and the smart phone connects CPU module by wireless network module.Compared with prior art, the utility model has low cost, low-power consumption, easy for installation, simple operation and other advantages.

Description

A kind of intelligent access control system based on wireless network

Technical field

The utility model relates to novel intelligent access control system fields, more particularly, to a kind of intelligent door based on wireless network Access control system.

Background technique

In the today for entering informationized society, access control system has been one of the important means of modern management.Application at present Most commonly used access control system or wired networking mode, distributing are limited by external environment, and higher cost, construction Complexity, route is easy to aging, repairs and its inconvenient.

The intelligent access control system of wireless network is the high-tech security product for integrating network and intellectualized technology, be after New generation of wireless network intelligence gate inhibition's product after wired access control system.

By retrieval, China Patent Publication No. discloses a kind of safe and intelligent access control system for CN207004217U, including Door lock on door is set, and door lock is electrically connected with light coupling relay, and light coupling relay is electrically connected with main control chip, main control chip point It is not electrically connected with the card reading chip being arranged in outdoors and the button switch being arranged in door, is additionally provided with vibrating sensing on the door lock Device, vibrating sensor are electrically connected with main control chip, and mechanical lock is additionally provided on door, and mechanical lock includes lock and tapered end, are set in lock There is lock core, reset spring is equipped between lock core and lock, lock core one end and electromagnet are cooperatively connected, and the other end can match with tapered end Connection is closed, tapered end is equipped with keyhole, and electromagnet is electrically connected with main control chip, and main control chip is electrically connected with alarm, the master Control chip is connected with controller power source, and card reading chip is connected with card reading power supply, it can automatically switch mechanical lock, report after having power-off The advantages that alert, without wearing, being safer and more reliable.But the utility model still uses wired networking mode, and higher cost, applies Work is complicated, it is inconvenient to repair, and cannot make user that can complete the operation whether opened the door at home.

Utility model content

The purpose of this utility model is exactly to provide a kind of based on wireless to overcome the problems of the above-mentioned prior art The intelligent access control system of network.

The purpose of this utility model can be achieved through the following technical solutions:

A kind of intelligent access control system based on wireless network, the system include CPU module, power module, wireless network mould Block, gate inhibition's module and smart phone, the power module are separately connected CPU module, wireless network module and gate inhibition's module, institute The CPU module stated is separately connected power module, wireless network module and gate inhibition's module, and the smart phone passes through wireless network Module connects CPU module.

Preferably, the CPU module is the CPU module using STM32F103ZET6 model.

Preferably, the wireless network module is the wireless network module using ESP8266 model chip, the nothing Line network module is connect with CPU module by digital serial port.

Preferably, gate inhibition's module includes doorbell, door lock and camera, the doorbell, door lock and camera with CPU module is separately connected by digital serial port.

Preferably, the power module includes 220V~12V AC/DC conversion module, 12V~3.3V DC/DC conversion Module and 12V~5V DC/DC conversion module.

Preferably, 220V~12V AC/DC conversion module is the adapter that external 220V turns 12V, described 12V~3.3V DC/DC conversion module and 12V~5V DC/DC conversion module are embedded in CPU module.

Preferably, the output end of 220V~12V AC/DC conversion module is connect with the door lock of gate inhibition's module.

Preferably, the output end of the DC/DC conversion module of the 12V~3.3V respectively with wireless network module, gate inhibition The camera of module is connected with CPU module.

Preferably, the output end of 12V~5V DC/DC conversion module is connect with the doorbell of gate inhibition's module.

Compared with prior art, the utility model has the advantage that

1, the STM32CubeMX that this system is produced using STM company allows user quickly complete by patterned interface At SCM system and peripheral hardware initializes and project configuration, while supporting HAL, freeRTOS, simplifies development process, effectively contracts The short development cycle.

2, this system is unlocked by mobile phone wireless network operation and monitoring device, the connection of mobile phone and equipment pass through household WIFI is realized, expands the communication context of mobile phone and equipment, and will not influence the original network function of mobile phone.

3, door lock used by this system carries motor-drive circuit and door switch logic, ensure that system is reliable and stable. Camera model OV2640, the pixel 200W of use since it supports jpeg format picture, and are not necessarily in mobile phone terminal as solution Code made multiprocessing, provided convenience for the exploitation of mobile phone terminal.

4, this system is compared to other intelligent access control systems, and cost is relatively low, easy to operate, while having practical value It can also be consumed by average family.

5, this module hardware implementation is simple, only realizes each Interface Controller with an integrated chip, on main module Interface with a sub-module improves the harmony of each module.

Detailed description of the invention

Fig. 1 is the system module structural block diagram of the utility model.

Wherein 1 is CPU module, and 2 be power module, and 3 be wireless network module, and 4 be gate inhibition's module, and 5 be smart phone.

Specific embodiment

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is a part of the embodiment of the utility model, rather than whole embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work all should belong to this The range of utility model protection.

As shown in Figure 1, a kind of intelligent access control system based on wireless network, which includes CPU module 1, power module 2, wireless network module 3, gate inhibition's module 4 and smart phone 5, the power module 2 are separately connected CPU module 1, wireless network Module 3 and gate inhibition's module 4, the CPU module 1 are separately connected power module 2, wireless network module 3 and gate inhibition's module 4, institute The smart phone 5 stated connects CPU module 1 by wireless network module 3.

The CPU module 1 is the CPU module using STM32F103ZET6 model.

The CPU module 1 is that the STM32F103ZET6 based on Cortex-M3 kernel is CPU, compared to traditional 8 With 16 single-chip microcontrollers, it has higher operation and data-handling capacity, higher code density, lower power consumption.This module It realizes that circuit is simple, at low cost, performance is excellent, can connect the low-power consumption serial ports (leuart) of multiple types, realize efficient number According to read-write.The I/O of this module can be set to low-power consumption mode and wake up and GPIO interrupt mode, therefore outer operating pushbutton can be with Interactive controlling movement is realized under the conditions of low-power consumption.

The wireless network module 3 is the wireless network module using ESP8266 model chip, the wireless network Module 3 is connect with CPU module 1 by digital serial port.

The wireless network module 3 is realized based on ESP8266 chip, can be completed by the AT instruction of text Module configuration, and carry out network connection with external smart mobile phone 5 and carry out real-time communication, the response of CPU module 1 is transferred to intelligence On mobile phone 5.

Gate inhibition's module 4 includes doorbell, door lock and camera, and gate inhibition's module 4 and CPU module 1 pass through number It is connected according to serial ports, the CPU module 1 detects the movement of doorbell, controls the switch of door lock and receives the picture of camera shooting.

Door lock in gate inhibition's module 4 carries motor-drive circuit and door switch logic, and the system stabilization of ensure that can It leans on.Doorbell realizes that CPU module 1 detects whether doorbell is pressed with a pin, and interrupt processing will be to hand using an interruption Generator terminal sends a signal.Model OV2640, the pixel 200W that camera uses, since it supports jpeg format picture, And be not necessarily to make multiprocessing for decoding in mobile phone terminal, it is provided convenience for the exploitation of mobile phone terminal.Gate inhibition's module 4 can be realized entirely Orientation, full period response external change and pass through camera to get off real-time scene picture shooting, are transmitted by CPU module 1 Onto smart phone 5.

The power module 2 includes the DC/DC conversion module of the AC/DC conversion module of 220V~12V, 12V~3.3V With the DC/DC conversion module of 12V~5V；Adapter realization of the AC/DC conversion module of the 220V~12V by 12V, institute The DC/DC conversion module of the 12V~3.3V stated and the DC/DC conversion module of 12V~5V are realized by 1 development board of CPU module；Institute The output end of the AC/DC conversion module of the 220V~12V stated is connect with the door lock of gate inhibition's module 4, the 12V~3.3V's The output end of DC/DC conversion module is connect with wireless network module 3, the camera of gate inhibition's module 4 and CPU module 1 respectively.

The smart phone 5 receives doorbell information by CPU module 1 and shows the picture shot by camera, uses Family the instruction whether opened the door is transmitted to CPU module 1 by smart phone 5.

The smart phone 5 is independently developed Android application, keeps supervising the message of access control system on backstage It listens, guidance interface is provided when using for the first time, guidance user completes the configuration at initial stage.User can receive in application by taking the photograph As the picture that head is shot, the instruction whether opened the door then is transmitted to CPU by application.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical Novel protection scope should be subject to the protection scope in claims.

Claims (1)

1. a kind of intelligent access control system based on wireless network, which is characterized in that the system includes CPU module, power module, nothing Line network module, gate inhibition's module and smart phone, the power module are separately connected CPU module, wireless network module and door Prohibit module, the CPU module is separately connected power module, wireless network module and gate inhibition's module, and the smart phone is logical Cross wireless network module connection CPU module；

The CPU module is the CPU module using STM32F103ZET6 model；

The wireless network module is the wireless network module using ESP8266 model chip, the wireless network module It is connect with CPU module by digital serial port；

Gate inhibition's module includes doorbell, door lock and camera, and the doorbell, door lock and camera and CPU module pass through Digital serial port is separately connected, and door lock carries motor-drive circuit and door switch logic circuit, camera be model be OV2640, as Element is the camera of 200W；

The power module include 220V~12V AC/DC conversion module, 12V~3.3V DC/DC conversion module and 12V~ 5V DC/DC conversion module；220V~12V AC/DC conversion module is the adapter that external 220V turns 12V, described 12V~3.3V DC/DC conversion module and 12V~5V DC/DC conversion module be embedded in CPU module；The 220V~ The output end of 12V AC/DC conversion module is connect with the door lock of gate inhibition's module；The DC/DC conversion module of the 12V~3.3V Output end connect respectively with wireless network module, the camera of gate inhibition's module and CPU module；12V~5V DC/DC The output end of conversion module is connect with the doorbell of gate inhibition's module；This system is unlocked by mobile phone wireless network operation and is set with monitoring Standby, the connection of mobile phone and equipment is realized by household WIFI.