CN203055085U

CN203055085U - Household antitheft, fireproof and gas leakage-prevention system

Info

Publication number: CN203055085U
Application number: CN 201320086778
Authority: CN
Inventors: 马子余; 沈博侃; 车文宇; 何恩杰
Original assignee: Zhejiang Textile and Fashion College
Current assignee: Zhejiang Textile and Fashion College
Priority date: 2013-02-26
Filing date: 2013-02-26
Publication date: 2013-07-10
Anticipated expiration: 2023-02-26

Abstract

The utility model discloses a household antitheft, fireproof and gas leakage-prevention system which comprises a master single-chip microcomputer. The system further comprises an antitheft module, a fireproof module, a gas leakage-prevention module and a GSM module, which are respectively connected with the single-chip microcomputer, wherein the antitheft module is used for preventing forced entry, the fireproof module is used for preventing indoor fire, and the gas leakage-prevention module is used for preventing gas poisoning. When the antitheft module senses forced entry, the fireproof module senses indoor fire, or the gas leakage-prevention module senses gas leakage, the GSM module gives off alarm and notifies the house owner through short messages. The household antitheft, fireproof and gas leakage-prevention system is simply structure, economical and practical, and is easy for promotion. The household antitheft, fireproof and gas leakage-prevention system integrates the antitheft, fireproof and gas leakage-prevention functions, and maximally protects the property and personal safety. The antitheft module comprises an electronic lock requiring input cipher and a pyroelectric sensor, thereby realizing double protection.

Description

A kind of family NBC protection system

Technical field

The utility model relates to a kind of family safety-protection system, especially refers to a kind of family NBC protection system, refers to a kind of family's safety-protection system that integrates antitheft, prevents fires, prevents gas poisoning specifically.

Background technology

Make a general survey of the whole nation and even global instantly, safety problem has reached warning line, and security protection also highlights in various security incidents day by day, makes the importance of security protection also upgrade suddenly; The sense of people's security crisis promotes, to burglar alarm industry and even whole security protection industry be challenge be again chance; The security alarm industry has developed in China had a surplus in 20 years, and nowadays product and technology are also more and more ripe, and alert service expands to all trades and professions from single professional key areas, plays the part of vital role in defendance society and household safe; In recent years, the home security alarm system that provides security protection to ensure for family and community user begins slowly to popularize, safety at home and antitheft one of most important link when becoming house ornamentation.In recent years, the highlighting day by day of the surge of social security pressure, social contradications, social stability maintenance situation are intricate, and people's security crisis consciousness constantly improves especially neozoic young man; Under this situation, family's safety-protection system also progresses into our daily life just, and the practicality of family's safety-protection system and stability just seem particularly important.

The utility model content

Technical problem to be solved in the utility model is the present situation at prior art, provides simple in structure, economical and practical, and integrating of being convenient to promote be antitheft, a kind of family NBC protection system of fire prevention, anti-gas poisoning.

The utility model solves the problems of the technologies described above the technical scheme that adopts:

A kind of family NBC protection system, include main control singlechip, wherein, system also includes anti-theft module, fire prevention module, gas-tight module and the gsm module that is connected with main control singlechip respectively, anti-theft module is used for preventing from entering the room by force, the fire prevention module is used for preventing inside fire, and the gas-tight module is used for guarding against gas poisoning; Anti-theft module has been sensed the people and has been entered the room by force, or the fire prevention module senses the indoor condition of a fire that has, or the gas-tight module sensed gas leak, and gsm module is reported to the police and also used the SMS notification householder; Anti-theft module includes electronic lock, is used for keyboard and the display screen of input password, and keyboard and display screen form electric loop; Anti-theft module also includes thermally sensitive pyroelectric sensor, and pyroelectric sensor forms electric loop by circuit and main control singlechip; The fire prevention module includes the temperature sensor that at least one is used for monitor temperature, and temperature sensor forms electric loop by circuit and main control singlechip; The gas-tight module includes the smoke transducer for monitoring smog, and smoke transducer forms electric loop by circuit and main control singlechip.

The technical measures of optimizing also comprise:

Above-mentioned main control singlechip is the STC89C52 single-chip microcomputer.

Above-mentioned keyboard is the 4*4 matrix keyboard, and display screen is 1602 LCDs.

Above-mentioned pyroelectric sensor is provided with for assembling and strengthens ultrared Fresnel lens optical filter.

Above-mentioned temperature sensor is the DS18B20 temperature sensor.

Above-mentioned smoke transducer is the MQ-2 smoke transducer.

A kind of family of the present utility model NBC protection system, a kind of family NBC protection system, include main control singlechip, wherein, system also includes anti-theft module, fire prevention module, gas-tight module and the gsm module that is connected with main control singlechip respectively, anti-theft module is used for preventing from entering the room by force, and the fire prevention module is used for preventing inside fire, and the gas-tight module is used for guarding against gas poisoning; Anti-theft module has been sensed the people and has been entered the room by force, or the fire prevention module senses the indoor condition of a fire that has, or the gas-tight module sensed gas leak, and gsm module is reported to the police and also used the SMS notification householder.This family NBC protection system is simple in structure, economical and practical, is convenient to promote; It forms anti-theft module by electronic lock and the pyroelectric sensor of needs input password, has played the effect of duplicate protection; And the fire prevention module adopts at least one temperature sensor, makes the fire prevention module can play the effect of multiple spot protection, farthest reduces the loss that causes on fire within doors; And the gas-tight module includes the smoke transducer for monitoring smog, it is installed near the place or gas piping that is easy to generate gas leak, whether within doors have gas leak, thereby avoid causing personnel's gas poisoning within doors because of gas leak if can monitor constantly; In addition, the gsm module that is connected with main control singlechip is in anti-theft module, fire prevention module or gas-tight module monitors during to dangerous situation, will report to the police and notifies the householder with the note form; Therefore native system integrates antitheft, prevents fires, prevents three safety protection functions of gas poisoning, has farthest protected property safety and the personal safety of family.

Description of drawings

Fig. 1 is framed structure synoptic diagram of the present utility model;

Fig. 2 is the circuit diagram of pyroelectric sensor.

Embodiment

Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.

Be structural representation of the present utility model as depicted in figs. 1 and 2,

Reference numeral wherein is: main control singlechip 1, anti-theft module 2, electronic lock 21, keyboard 22, display screen 23, pyroelectric sensor 24, fire prevention module 3, temperature sensor 31, gas-tight module 4, smoke transducer 41, gsm module 5, field effect transistor 61, D contact 62, S contact 63, sensing element 64, biasing resistor 65, EMI electric capacity 66, ground connection electric shock 67, Fresnel lens optical filter 7.

As depicted in figs. 1 and 2,

A kind of family of the present utility model NBC protection system, include main control singlechip 1, wherein, system also includes anti-theft module 2, fire prevention module 3, gas-tight module 4 and the gsm module 5 that is connected with main control singlechip 1 respectively, anti-theft module 2 is used for preventing from entering the room by force, fire prevention module 3 is used for preventing inside fire, and gas-tight module 4 is used for guarding against gas poisoning; Anti-theft module 2 has been sensed the people and has been entered the room by force, or fire prevention module 3 senses the indoor condition of a fire that has, or gas-tight module 4 sensed gas leak, and gsm module 5 is reported to the police and also used the SMS notification householder.

Among the embodiment, main control singlechip 1 is the STC89C52 single-chip microcomputer.

Among the embodiment, anti-theft module 2 includes electronic lock 21, is used for keyboard 22 and the display screen 23 of input password, and keyboard 22 forms electric loop with display screen 23.

Among the embodiment, keyboard 22 is the 4*4 matrix keyboard, and display screen 23 is 1602 LCDs.

Among the embodiment, anti-theft module 2 also includes thermally sensitive pyroelectric sensor 24, and pyroelectric sensor 24 forms electric loop by circuit and main control singlechip 1.

Among the embodiment, pyroelectric sensor 24 is provided with for assembling and strengthens ultrared Fresnel lens optical filter 7.

Among the embodiment, fire prevention module 3 includes the temperature sensor 31 that at least one is used for monitor temperature, and temperature sensor 31 forms electric loop by circuit and main control singlechip 1.

Among the embodiment, temperature sensor 31 is the DS18B20 temperature sensor.

Among the embodiment, gas-tight module 4 includes the smoke transducer 41 for monitoring smog, and smoke transducer 41 forms electric loop by circuit and main control singlechip 1.

Among the embodiment, smoke transducer 41 is the MQ-2 smoke transducer.

As shown in Figure 1, whole family NBC protection system includes main control singlechip 1, anti-theft module 2, fire prevention module 3, gas-tight module 4 and gsm module 5, and main control singlechip 1 adopts the STC89C52 single-chip microcomputer here.STC89C52 single-chip microcomputer internal memory is big, and 8K bytes Flash flash memory is arranged, interior band 2K byte EEPROM storage space, but its online programming, but also in-circuit emulation, and this allows debugging become more convenient; And the degree of freedom of scm software programming is big, can realize various arithmetic algorithms and logic control by programming, and volume is little, and hardware is realized simple, and is easy for installation; STC89C52 also has a wide range of applications on Industry Control in addition, and being used of programming technique and peripheral function is all very ripe, therefore adopts the STC89C52 single-chip microcomputer to make the promotion and implementation of native system become more convenient.

Anti-theft module 2 in this family NBC protection system includes electronic lock 21, is used for keyboard 22 and the display screen 23 of input password, and keyboard 22 forms electric loop with display screen 23; Anti-theft module 2 also includes thermally sensitive pyroelectric sensor 24; Anti-theft module 2 adopts electronic lock 21 and the pyroelectric sensor 24 that can input password to constitute double insurance, makes anti-theft module 2 safer, reliable.Here keyboard 22 adopts the 4*4 matrix keyboards, and every horizontal line and perpendicular line directly are not communicated with at infall in the 4*4 matrix keyboard, but are connected by a button, and directly port lines is used for keyboard and compares and save the I/O resource; And display screen 23 employings 1602 LCDs, 1602 LCDs are for the special lattice liquid crystal display screens such as letter, numeral, symbol that show, it has easy to use, the characteristics that power consumption is little, when reaching the demonstration purpose, reduce power consumption, save cost.

The circuit diagram of pyroelectric sensor 24 as shown in Figure 2, field effect transistor 61 is connected between D contact 62 and the S contact 63, sensing element 64, biasing resistor 65 and EMI electric capacity 66 are parallel to S contact 63 and ground connection is got an electric shock between 67, the positive pole of EMI electric capacity 66 is connected with S contact 63, is outside equipped with Fresnel lens optical filter 7 at the internal circuit of whole pyroelectric sensor 24.Pyroelectric sensor 24 is as thermally sensitive sensor, and it is made up of ceramic oxide or piezolectric crystal unit, makes electrode on two surfaces of element.When environment temperature has the variation of Δ T, because there is pyroelectric effect, can produce electric charge Δ Q on two electrodes, just between two electrodes, can produce weak voltage Δ V.Its high output impedance a field effect transistor 61 arranged, owing to can be carried out the impedance conversion in sensor.Stablize when constant when environment temperature, the electric charge Δ Q that pyroelectric effect produces can disappear with airborne ions binding, i.e. Δ T=0, then pyroelectric sensor 24 no-outputs.The animal that human body or volume are bigger has constant body temperature, generally at 37 degrees centigrade, can send the infrared ray about specific wavelength 10 μ m, when human body or animal enter monitoring section, because body temperature and environment temperature have difference, the infrared ray about 10 μ m of human body emission gathers on the infrared induction source after strengthening by Fresnel lens optical filter 7, the infrared induction source will lose charge balance when receiving human infrared radiation, outwards discharge electric charge, produce Δ T, Δ T output is then arranged.

Fire prevention module 3 in this family NBC protection system includes at least one temperature sensor 31 that is used for monitor temperature, here temperature sensor 31 adopts the DS18B20 temperature sensor, the temperature monitoring of DS18B20 temperature sensor and numerical data output complete or collected works are formed on the chip, have the stronger characteristics of interference resistance, the DS18B20 temperature sensor also has that volume is little, precision is high, additional function is strong, connecting circuit is simple, easy to operate and lower-cost characteristics, therefore, it is both economical and practical as the temperature inductor in family's safety-protection system, safe and reliable again.

Gas-tight module 4 in this family NBC protection system includes the smoke transducer 41 for monitoring smog, here smoke transducer 41 adopts the MQ-2 smoke transducer, the MQ-2 smoke transducer has the advantages that investigative range is wide, stability is strong, the life-span is long, be applicable to the gas leakage monitor of family and factory, when having inflammable gas in the MQ-2 smoke transducer environment of living in, the conductivity of sensor increases with the increase of combustable gas concentration in the air; Just the variation of conductivity can be converted to the output signal corresponding with this gas concentration by circuit conversion, thereby play the effect of monitoring smog; MQ-2 smoke transducer monitoring range is big, can both play the monitoring effect to inflammable gass such as coal gas, butane, propane, methane, alcohol, hydrogen and smog.

That this family NBC protection system integrates is antitheft, fire prevention, anti-gas poisoning, has farthest protected property safety and the personal safety of family; Its concrete operation instruction is as follows:

1. antitheft: to electronic lock 21 input passwords, if the correct electronic lock 21 of password opens the door, gsm module 5 is not reported to the police by keyboard 22; If password mistake or do not input the password door and but open, this moment, pyroelectric sensor 24 was within doors sensed the people, then reported to the police and sent short messages to the householder by gsm module 5, had informed that the uninvited guest swarms into;

2. fire prevention: the DS18B20 temperature sensor is loaded onto in each room in doors, and the temperature sensor of setting DS18B20 temperature sensor, setting temperature sensor herein is 60 degrees centigrade, when the DS18B20 temperature sensor monitors is higher than 60 degrees centigrade to temperature, then report to the police and send short messages to the householder by gsm module 5, note can inform clearly that concrete which room catches fire; For fear of the situation that false alarm takes place, should be as far as possible away from pyrotoxin when the DS18B20 temperature sensor is placed;

3. anti-gas poisoning: load onto the MQ-2 smoke transducer near place that coal gas is revealed easily and gas piping, when the MQ-2 smoke transducer monitors indoor gas leak, then reporting to the police and send short messages to remind to the householder by gsm module 5 occurs gas leakage within doors.

Claims

1. family's NBC protection system, include main control singlechip (1), it is characterized in that: described system also includes anti-theft module (2), fire prevention module (3), gas-tight module (4) and the gsm module (5) that is connected with main control singlechip (1) respectively, described anti-theft module (2) is used for preventing from entering the room by force, described fire prevention module (3) is used for preventing inside fire, and described gas-tight module (4) is used for guarding against gas poisoning; Described anti-theft module (2) has been sensed the people and has been entered the room by force, or described fire prevention module (3) senses the indoor condition of a fire that has, or described gas-tight module (4) sensed gas leak, and described gsm module (5) is reported to the police and also used the SMS notification householder; Described anti-theft module (2) includes electronic lock (21), is used for keyboard (22) and the display screen (23) of input password, and described keyboard (22) forms electric loop with display screen (23); Described anti-theft module (2) also includes thermally sensitive pyroelectric sensor (24), and described pyroelectric sensor (24) forms electric loop by circuit and main control singlechip (1); Described fire prevention module (3) includes at least one temperature sensor (31) that is used for monitor temperature, and described temperature sensor (31) forms electric loop by circuit and main control singlechip (1); Described gas-tight module (4) includes the smoke transducer (41) for monitoring smog, and described smoke transducer (41) forms electric loop by circuit and main control singlechip (1).

2. a kind of family according to claim 1 NBC protection system, it is characterized in that: described main control singlechip (1) is the STC89C52 single-chip microcomputer.

3. a kind of family according to claim 2 NBC protection system, it is characterized in that: described keyboard (22) is the 4*4 matrix keyboard, and described display screen (23) is 1602 LCDs.

4. a kind of family according to claim 3 NBC protection system, it is characterized in that: described pyroelectric sensor (24) is provided with for assembling and strengthens ultrared Fresnel lens optical filter (7).

5. a kind of family according to claim 4 NBC protection system, it is characterized in that: described temperature sensor (31) is the DS18B20 temperature sensor.

6. a kind of family according to claim 5 NBC protection system, it is characterized in that: described smoke transducer (41) is the MQ-2 smoke transducer.