CN206684894U

CN206684894U - A kind of computer network information safety device

Info

Publication number: CN206684894U
Application number: CN201720420378.6U
Authority: CN
Inventors: 焦铬; 胡灿
Original assignee: Hengyang Normal University
Current assignee: Hengyang Normal University
Priority date: 2017-04-20
Filing date: 2017-04-20
Publication date: 2017-11-28
Anticipated expiration: 2027-04-20

Abstract

The utility model discloses a kind of computer network information safety device, including temperature sensor, Smoke Sensor and single-chip microcomputer, the signal output part of the temperature sensor and the signal output part of Smoke Sensor are connected by the A D interface signal of amplifying circuit and single-chip microcomputer respectively, the signal output part of the single-chip microcomputer is connected with audible-visual annunciator, the signal output part of the single-chip microcomputer is connected with radio communication block, and the radio communication block is connected with mobile terminal.The utility model is ingenious in design, simple in construction, mounting arrangements are convenient, based on existing flourishing communication network, efficient quick, economy are convenient, powerful warning function is can be achieved with by simply configuring, is easy to popular popularization and use, while will send information on mobile terminal by existing communication network, alarm signal spread scope is increased, improves security effectiveness.

Description

A kind of computer network information safety device

Technical field

Field of information security technology is the utility model is related to, specially a kind of computer network information safety device.

Background technology

With science and technology progress and social economy development, computer have been widely used for work, study, life One of every field, the instrument indispensable as modern society, various important information are commonly stored in computer, once Generation information leakage, work, studying and living to computer holder will all cause immeasurable loss.Therefore, calculate The security protection of machine information is most important to ensuring information safety.

In particular with the horizontal continuous improvement of the modern life, for the ease of working and learning, most of families have certainly Oneself stand-alone computer office facility, protection of the people to household safe are also increasingly paid attention to, therefore, a set of reliable and practical family The safety device of front yard computerized information has become many human needs.But present safety device all has many limitations, For example, how the monitoring unit in safety device configures, how to lay, how various detection datas effectively pass to householder, such as What alarm, how to react.A kind of in consideration of it, it is proposed that computer network information safety device.

Utility model content

The purpose of this utility model is to provide a kind of computer network information safety device, to solve above-mentioned background technology The problem of middle proposition.

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

A kind of computer network information safety device, including temperature sensor, Smoke Sensor and single-chip microcomputer, the temperature The signal output part of sensor and the signal output part of Smoke Sensor are believed by the A D interface of amplifying circuit and single-chip microcomputer respectively Number connection, the signal output part of the single-chip microcomputer is connected with audible-visual annunciator, and the signal output part of the single-chip microcomputer is connected with nothing Line communication block, the radio communication block are connected with mobile terminal, the temperature sensor, Smoke Sensor, amplifying circuit, monolithic Machine, audible-visual annunciator, radio communication block and mobile terminal are and power electric connection.

Preferably, the temperature sensor uses model DS18B20 temperature sensors.

Preferably, the Smoke Sensor uses model MQ-2 Smoke Sensors.

Preferably, LM324 single slice high-gain four-operational amplifiers are used in the amplifying circuit.

Preferably, the single-chip microcomputer uses model STC12C5410AD single-chip microcomputers.

Preferably, the alarm signal of the audible-visual annunciator uses sound and LED flickering display.

Preferably, the radio communication block uses the radio communication of NRF24L01 wireless transceiver chips.

Compared with prior art, the beneficial effects of the utility model are：This computer network information safety device, working During, standard temperature scope and smokescope standard value range are first set in STC12C5410AD single-chip microcomputers, is opened The device, DS18B20 temperature sensors and MQ-2 Smoke Sensors are respectively by by LM324 single slice high-gain four-operational amplifiers Signal is passed to STC12C5410AD single-chip microcomputers by the amplifying circuit of composition, through STC12C5410AD single-chip microcomputer internal calculations, is obtained To corresponding temperature parameter and smokescope parameter, if temperature parameter or smokescope parameter one of them value model that is above standard Enclose, then the alarm that buzzer is sent, LED flicker, while STC12C5410AD single-chip microcomputers pass information to NRF24L01 Wireless transceiver chip, NRF24L01 wireless transceiver chips are sent to mobile terminal, notice by existing communication network again Householder's timely processing；If temperature parameter and smokescope parameter are not less than standard value range, alarm that buzzer is not sent Sound, LED do not flash.The utility model is ingenious in design, simple in construction, and mounting arrangements are convenient, with existing flourishing communication network Based on, efficient quick, economy are convenient, can be achieved with powerful warning function by simply configuring, are easy to popular Popularization and use, while be will send information to by existing communication network on mobile terminal, increase alarm security signal Spread scope, improve safe efficiency.

Brief description of the drawings

Fig. 1 is Tthe utility model system schematic diagram；

Fig. 2 is the utility model power module circuitry schematic diagram；

Fig. 3 is the utility model amplifying circuit schematic diagram；

Fig. 4 is the utility model temperature sensor section circuit connection diagram；

Fig. 5 is the utility model Smoke Sensor partial circuit connection diagram；

Fig. 6 is the utility model sound and light alarm circuit schematic diagram；

Fig. 7 is the utility model radio communication block circuit diagram.

In figure：1 temperature sensor, 2 Smoke Sensors, 3 amplifying circuits, 4 single-chip microcomputers, 5 audible-visual annunciators, 6 radio communications Block, 7 mobile terminals, 8 power supplys.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-7 are referred to, the utility model provides a kind of technical scheme：A kind of computer network information safety device, bag Temperature sensor 1, Smoke Sensor 2 and single-chip microcomputer 4 are included, and temperature sensor 1 uses model DS18B20 temperature sensors, Its small volume, circuit is simple, and programming is easy, is connected with interface microcontroller simply, and Smoke Sensor 2 uses model MQ-2 smog Sensor, its high sensitivity, it can detect that a variety of imflammable gas, the signal output part and Smoke Sensor 2 of temperature sensor 1 Signal output part be connected respectively by amplifying circuit 3 with the A D interface signal of single-chip microcomputer 4, and LM324 is used in amplifying circuit 3 Single slice high-gain four-operational amplifier, it is used simply, cheap, meanwhile, LM324 single slice high-gain four-operational amplifiers can To accomplish that output level is compatible with digital circuit, single-chip microcomputer 4 uses model STC12C5410AD single-chip microcomputers, its internal module More, the speed of service is fast, cheap, convenient use.

The signal output part of single-chip microcomputer 4 is connected with audible-visual annunciator 5, the alarm signal of audible-visual annunciator 5 using sound and LED flickering display, audible alarm use common buzzer, and the signal output part of single-chip microcomputer 4 is connected with radio communication block 6, Radio communication block 6 uses the radio communication of NRF24L01 wireless transceiver chips, and NRF24L01 wireless transceiver chip prices are low, Transmission rate is fast, low in energy consumption, and programs easily, and radio communication block 6 is connected with mobile terminal 7, and radio communication block 6 is by existing Communication network will send information on mobile terminal 7, temperature sensor 1, Smoke Sensor 2, amplifying circuit 3, single-chip microcomputer 4, Audible-visual annunciator 5, radio communication block 6 and mobile terminal 7 electrically connect with power supply 8, are easy to entirety control of the householder to circuit system System.

Utility model works flow：In the course of the work, first the scale of thermometer is set in STC12C5410AD single-chip microcomputers 4 Quasi- value scope and smokescope standard value range, open the device, DS18B20 temperature sensors 1 and MQ-2 Smoke Sensors 2 divide Signal is not passed to by STC12C5410AD monolithics by the amplifying circuit being made up of LM324 single slice high-gain four-operational amplifiers Machine 4, through the internal calculation of STC12C5410AD single-chip microcomputers 4, corresponding temperature parameter and smokescope parameter are obtained, if temperature parameter Or smokescope parameter one of them value scope that is above standard, then the alarm that buzzer is sent, LED flicker, simultaneously STC12C5410AD single-chip microcomputers 4 pass information to NRF24L01 wireless transceiver chips, NRF24L01 wireless transceiver chips Sent again by existing communication network to mobile terminal 7, notify householder's timely processing；If temperature parameter and smokescope parameter Not less than standard value range, then the alarm that buzzer is not sent, LED does not flash.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of computer network information safety device, including temperature sensor (1), Smoke Sensor (2) and single-chip microcomputer (4), It is characterized in that：The signal output part of the temperature sensor (1) and the signal output part of Smoke Sensor (2) are respectively by putting Big circuit (3) is connected with the A D interface signal of single-chip microcomputer (4), and the signal output part of the single-chip microcomputer (4) is connected with sound and light alarm Device (5), the signal output part of the single-chip microcomputer (4) are connected with radio communication block (6), and the radio communication block (6) is connected with shifting Dynamic terminal (7), the temperature sensor (1), Smoke Sensor (2), amplifying circuit (3), single-chip microcomputer (4), audible-visual annunciator (5), radio communication block (6) and mobile terminal (7) electrically connect with power supply (8).

A kind of 2. computer network information safety device according to claim 1, it is characterised in that：The temperature sensor (1) model DS18B20 temperature sensors are used.

A kind of 3. computer network information safety device according to claim 1, it is characterised in that：The Smoke Sensor (2) model MQ-2 Smoke Sensors are used.

A kind of 4. computer network information safety device according to claim 1, it is characterised in that：The amplifying circuit (3) LM324 single slice high-gain four-operational amplifiers are used in.

A kind of 5. computer network information safety device according to claim 1, it is characterised in that：The single-chip microcomputer (4) Using model STC12C5410AD single-chip microcomputers.

A kind of 6. computer network information safety device according to claim 1, it is characterised in that：The audible-visual annunciator (5) alarm signal uses sound and LED flickering display.

A kind of 7. computer network information safety device according to claim 1, it is characterised in that：The radio communication block (6) radio communication of NRF24L01 wireless transceiver chips is used.