CN205751133U - A kind of household safe controls device - Google Patents
A kind of household safe controls device Download PDFInfo
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- CN205751133U CN205751133U CN201620671365.1U CN201620671365U CN205751133U CN 205751133 U CN205751133 U CN 205751133U CN 201620671365 U CN201620671365 U CN 201620671365U CN 205751133 U CN205751133 U CN 205751133U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of household safe and control device, including microcontroller, power module, wireless communication module, liquid crystal touch screen and telecommunication circuit, described power module includes mains-supplied module and storage battery power supply module, described wireless communication module includes gsm module, Anneta module and SIM, the input of described microcontroller is connected to detection of natural gas module, first infrared circuit, second infrared circuit, flame detection sensor and temperature sensor, the outfan of described microcontroller is connected to warning circuit, first relay drive circuit and the second relay drive circuit, and first motor module and the second motor module, described first motor module includes the first motor-drive circuit and the first motor.This utility model is reasonable in design, simple in construction, low cost, easy to operate, improves family life safety, it is achieved the long-range monitoring to home environment, practical.
Description
Technical field
This utility model belongs to home control technical field, is specifically related to a kind of household safe and controls device.
Background technology
At present, in house security measure, use more universal mechanical type security system (anti-theft net, burglary-resisting window) in daily life
There is a lot of problem, such as in use alive: the house that fire is difficult to when occurring escape, make side not install anti-theft device is easy
Stolen etc..Along with current super large-scale integration, control technology and the fast development of singlechip technology and people to family
The requirement of security facility, utilizes Single-chip Controlling and other peripheral module to realize the most multi-functional one that become of warning and develops
Trend.But in place of home control in the market suffers from some shortcomings, first, at present, family is typically provided with sky
So gas, smog, flame detecting device, but when natural gas leaking, smog or flame being detected, it is only capable of being entered by alarm module
Row is reported to the police, it is impossible to efficiently controls the concentration reducing natural gas, or prevents natural gas initiation fire accident；It addition, people on daytime
General working of all going out, and in generally old man's stop is in, owing to old man's legs and feet or reflection ability are slower, once pacify
Full accident, such as: gas leak, fire etc., old man can not open the window or entering house door timely, consequently, it is possible to lead to great thing
Therefore；Finally sound and light alarm, electronic anti-theft alarm or audio alert, sound and light alarm and audio alert is typically used typically to exist at present
Indoor have people Shi Neng to play the various accidents of control in time, and the general only one of which of electronic anti-theft alarm pinpoints, and effective range is little, and
And various switch is the most perishable, loses report and rate of false alarm is higher.Therefore, nowadays lack that a kind of simple in construction, volume be little, installation side
Just, low cost, household safe reasonable in design control device, control simple, easy to operate, improve family life safety, real
The now long-range monitoring to home environment.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of family
Safety control, it is reasonable in design, simple in construction, low cost, easy to operate, improves family life safety, it is achieved to family
The long-range monitoring of front yard environment, practical, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of household safe controls device, its
It is characterised by: include microcontroller, power module, wireless communication module and the liquid crystal touch screen connected with microcontroller and lead to
Letter circuit, described power module includes that mains-supplied module and storage battery power supply module, described mains-supplied module include successively
Civil power, step-down rectifying circuit and the first level shifting circuit connected, described storage battery power supply module include accumulator and with storage
The second electrical level change-over circuit that battery output connects, described accumulator connects with step-down rectifying circuit, described radio communication mold
Block includes gsm module and the Anneta module connected with gsm module and SIM, and described gsm module passes through telecommunication circuit and micro-control
Device processed carries out data communication, and described SIM and mobile phone carry out RFDC, and the input of described microcontroller is connected to arrange
Indoor detection of natural gas module, the first infrared circuit being arranged on entering house door, be arranged on family's window the
Two infrared circuit, the flame detection sensor being disposed in the interior and the temperature sensor being disposed in the interior, described natural gas
Detection module includes sensor of natural gas, signal amplification circuit and the A/D change-over circuit connected successively, described microcontroller defeated
Go out to be terminated with warning circuit, for opening or closing the first relay drive circuit of flusher and for opening or closing sky
The second relay drive circuit adjusted, and for driving the first motor module of family's opening and closing the window and for driving family to enter
Second motor module of family door opening and closing, described first motor module includes the first motor-drive circuit and drives electricity with the first motor
The first motor that road outfan connects, described second motor module includes the second motor-drive circuit and drives electricity with the second motor
The second motor that road outfan connects, the described outfan of A/D change-over circuit connects with the input of microcontroller, and described first
The input of motor-drive circuit and the input of the second motor-drive circuit all connect with the outfan of microcontroller；
Described microcontroller includes STC89C52 single-chip microcomputer；Described A/D change-over circuit includes chip TLC1543, described core
15th pin, the 16th pin, the 17th pin, the 18th pin and the 19th pin of sheet TLC1543 all connect with microcontroller.
Above-mentioned a kind of household safe controls device, it is characterised in that: described sensor of natural gas includes MQ-5 natural gas
Sensor, the connection end of the 4th pin, the 5th pin and the 6th pin of described MQ-5 sensor of natural gas divides two-way, a road and 5V
Power output end connects, and another road connects through the anode of resistance R1 with light emitting diode D1；Described MQ-5 sensor of natural gas
2nd pin divides two-way through resistance R6 ground connection, the 1st pin of described MQ-5 sensor of natural gas and the connection end of the 3rd pin, a road
Through resistance R4 in parallel and electric capacity C2 ground connection, another road is the signal output part of MQ-5 sensor of natural gas.
Above-mentioned a kind of household safe controls device, it is characterised in that: described signal amplification circuit includes amplifier U1, described
The in-phase input end of amplifier U1 divides two-way, and a road connects with one end of electric capacity C1 through resistance R5 ground connection, another road；Described electric capacity C1
The other end divide three tunnels, a road is through electric capacity C3 ground connection, and another road is through the signal output part of resistance R3 Yu MQ-5 sensor of natural gas
Connecting, the 3rd tunnel connects with the outfan of amplifier U1 through resistance R2；The inverting input of described amplifier U1 is through resistance R8 ground connection；Institute
The outfan stating amplifier U1 divides two-way, and a road connects with the inverting input of amplifier U1 through resistance R7, another road and chip
1st pin of TLC1543 connects.
Above-mentioned a kind of household safe controls device, it is characterised in that: described first infrared circuit includes that first is red
Emission circuit and the first infrared receiving circuit, described first infrared transmitting circuit includes audion Q1 and the first infrared transmitting tube
The emitter stage of D2, described audion Q1 and the anode of the first infrared transmitting tube D2 connect, and the colelctor electrode of described audion Q1 is through electricity
Resistance R9 with 5V power output end connects, and the base stage of described audion Q1 connects through resistance R15 and STC89C52 single-chip microcomputer；Described
One infrared receiving circuit includes audion Q3 and the first infrared receiving tube D4, the base stage of described audion Q3 and the one of resistance R17
End connects, and the other end of described resistance R17 divides two-way, and a road connects through resistance R11 and 5V power output end, another road and first
The anode of infrared receiving tube D4 connects；The colelctor electrode of described audion Q3 divides two-way, and a road is through resistance R12 and 5V power output end
Connecting, another road connects with STC89C52 single-chip microcomputer.
Above-mentioned a kind of household safe controls device, it is characterised in that: described second infrared circuit includes that second is red
Emission circuit and the second infrared receiving circuit, described second infrared transmitting circuit includes audion Q2 and the second infrared transmitting tube
The emitter stage of D3, described audion Q2 and the anode of the second infrared transmitting tube D3 connect, and the colelctor electrode of described audion Q2 is through electricity
Resistance R10 with 5V power output end connects, and the base stage of described audion Q2 connects through resistance R16 and STC89C52 single-chip microcomputer；Described
Second infrared receiving circuit includes audion Q4 and the second infrared receiving tube D5, and the base stage of described audion Q4 is with resistance R18's
One end connects, and the other end of described resistance R18 divides two-way, and a road connects through resistance R13 and 5V power output end, another Lu Yu
The anode of two infrared receiving tube D5 connects；The colelctor electrode of described audion Q4 divides two-way, and a road exports with 5V power supply through resistance R14
End connects, and another road connects with STC89C52 single-chip microcomputer.
Above-mentioned a kind of household safe controls device, it is characterised in that: described temperature sensor is DS18B20 temperature sensing
Device.
Above-mentioned a kind of household safe controls device, it is characterised in that: described telecommunication circuit is RS232 serial communication electricity
Road.
Above-mentioned a kind of household safe controls device, it is characterised in that: described gsm module includes chip SIM900A.
Above-mentioned a kind of household safe controls device, it is characterised in that: described first level shifting circuit and second electrical level
Change-over circuit all includes chip LM7805.
This utility model compared with prior art has the advantage that
1, this utility model is by arranging the first infrared circuit on entering house door, arranges second red on family's window
Outer testing circuit, detection in real time is no has other people to pass through entering house door or window entrance indoor, and infrared ray is black light, has the strongest
Disguise and practicality, therefore, once have people or object to pass through, and Infrared will be blocked, thus causes the letter receiving pipe
Number changing, find other people burglary in time, carry out the precautionary measures, improve family life safety, detection is accurately.
2, this utility model is by arranging detection of natural gas module and flame detection sensor, respectively in real-time sensing chamber
Concentration of natural gas and flame, when indoor concentration of natural gas more than concentration of natural gas threshold value set in advance maybe when detecting that indoor are deposited
When flame, microcontroller is opened flusher by the first relay drive circuit and is put out a fire, and the first motor module orders about
Window is opened, and the second motor module drives dead bolt rotating opening entering house door, it is to avoid indoor occupant finds to there is safe thing the most in time
So having serious consequences, it is ensured that the safety of indoor occupant, circuit is simple, easy to control.
3, this utility model is by arranging temperature sensor, and the temperature detected when temperature sensor is more than set in advance
During temperature threshold, open air-conditioning by the second relay drive circuit and carry out being cooled to temperature threshold, when temperature sensor detects
When the temperature arrived is less than predetermined temperature threshold value, opens air-conditioning by the second relay drive circuit and carry out being warming up to temperature
Threshold value, keeps indoor temperature within the scope of the temperature that people are suitable, it is ensured that the healthy living of people.
4, this utility model is by arranging wireless communication module, including gsm module, Anneta module and SIM, will detect
Home environment data be wirelessly transmitted to, by SIM, the mobile phone that resident family carries with, it is achieved that being wirelessly transferred of data, it is achieved
Long-range monitoring to home environment, stable, reliable, using effect is good.
In sum, this utility model is reasonable in design, simple in construction, low cost, easy to operate, improves family life safety
Property, it is achieved the long-range monitoring to home environment, practical, it is simple to promote the use of.
Below through drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit connecting relation schematic diagram of this utility model sensor of natural gas and signal amplification circuit.
Fig. 3 is the circuit theory diagrams of this utility model A/D change-over circuit.
Fig. 4 is the circuit theory diagrams of this utility model the first infrared circuit.
Fig. 5 is the circuit theory diagrams of this utility model the second infrared circuit.
Description of reference numerals:
1 microcontroller；2-1 civil power；2-2 step-down rectifying circuit；
2-3 accumulator；2-4 the first level shifting circuit；
2-5 second electrical level change-over circuit；3-1 sensor of natural gas；3-2 signal amplification circuit；
3-3 A/D change-over circuit；4 first infrared circuit；
5 second infrared circuit；6 flame detection sensors；7 temperature sensors；
8 telecommunication circuits；9 gsm modules；10 Anneta modules；
11 SIMs；12 mobile phones；13 warning circuits.
14 first relay drive circuits；15 flushers；
16 second relay drive circuits；17 air-conditionings；
18 first motor-drive circuits；19 first motors；
20 second motor-drive circuits；21 second motors；22 liquid crystal touch screens.
Detailed description of the invention
As shown in figures 1 and 3, this utility model includes microcontroller 1, power module, wireless communication module and with micro-
Liquid crystal touch screen 22 that controller 1 connects and telecommunication circuit 8, described power module includes mains-supplied module and storage battery power supply
Module, described mains-supplied module includes civil power 2-1, step-down rectifying circuit 2-2 and the first level shifting circuit connected successively
2-4, described storage battery power supply module includes accumulator 2-3 and the second electrical level change-over circuit connected with accumulator 2-3 outfan
2-5, described accumulator 2-3 connects with step-down rectifying circuit 2-2, and described wireless communication module includes gsm module 9 and and GSM
Anneta module 10 that module 9 connects and SIM 11, described gsm module 9 carries out data by telecommunication circuit 8 and microcontroller 1 and leads to
Letter, described SIM 11 and mobile phone 12 carry out RFDC, and the input of described microcontroller 1 is connected to be disposed in the interior
Detection of natural gas module, the first infrared circuit 4 being arranged on entering house door, the second infrared inspection of being arranged on family's window
Slowdown monitoring circuit 5, the flame detection sensor 6 being disposed in the interior and the temperature sensor 7 being disposed in the interior, described detection of natural gas mould
Block includes sensor of natural gas 3-1, signal amplification circuit 3-2 and the A/D change-over circuit 3-3 connected successively, described microcontroller 1
Outfan be connected to warning circuit 13, for opening or closing the first relay drive circuit 14 of flusher 15 and for beating
Open or close the second relay drive circuit 16 closing air-conditioning 17, and for drive family's opening and closing the window the first motor module and
For driving the second motor module of family's entering house door opening and closing, described first motor module includes the first motor-drive circuit 18 He
The first motor 19 connected with the first motor-drive circuit 18 outfan, described second motor module includes that the second motor drives electricity
Road 20 and the second motor 21 connected with the second motor-drive circuit 20 outfan, the outfan of described A/D change-over circuit 3-3 with
The input of microcontroller 1 connects, the input of described first motor-drive circuit 18 and the second motor-drive circuit 20 defeated
Enter the end outfan all with microcontroller 1 to connect；
Described microcontroller 1 includes STC89C52 single-chip microcomputer；Described A/D change-over circuit 3-3 includes chip TLC1543, institute
State the 15th pin, the 16th pin, the 17th pin, the 18th pin and the 19th pin of chip TLC1543 all with microcontroller 1 phase
Connect.
As in figure 2 it is shown, in the present embodiment, described sensor of natural gas 3-1 includes MQ-5 sensor of natural gas, described MQ-5
The connection end of the 4th pin, the 5th pin and the 6th pin of sensor of natural gas divides two-way, and a road connects with 5V power output end,
Another road connects through the anode of resistance R1 with light emitting diode D1；2nd pin of described MQ-5 sensor of natural gas is through resistance R6
Ground connection, the 1st pin of described MQ-5 sensor of natural gas and the connection end of the 3rd pin divide two-way, and a road is through resistance R4 in parallel
With electric capacity C2 ground connection, another road is the signal output part of MQ-5 sensor of natural gas.
In the present embodiment, described signal amplification circuit 3-2 includes that amplifier U1, the in-phase input end of described amplifier U1 divide two
Road, a road connects with one end of electric capacity C1 through resistance R5 ground connection, another road；The other end of described electric capacity C1 divides three tunnels, a road warp
Electric capacity C3 ground connection, another road connects through the signal output part of resistance R3 and MQ-5 sensor of natural gas, the 3rd tunnel through resistance R2 with
The outfan of amplifier U1 connects；The inverting input of described amplifier U1 is through resistance R8 ground connection；The outfan of described amplifier U1 divides two
Road, a road connects with the inverting input of amplifier U1 through resistance R7, and another road connects with the 1st pin of chip TLC1543.
As shown in Figure 4, in the present embodiment, described first infrared circuit 4 includes the first infrared transmitting circuit and first
Infrared receiving circuit, described first infrared transmitting circuit includes audion Q1 and the first infrared transmitting tube D2, described audion Q1
Emitter stage and the anode of the first infrared transmitting tube D2 connect, the colelctor electrode of described audion Q1 exports with 5V power supply through resistance R9
End connects, and the base stage of described audion Q1 connects through resistance R15 and STC89C52 single-chip microcomputer；Described first infrared receiving circuit bag
Including audion Q3 and the first infrared receiving tube D4, the base stage of described audion Q3 connects with one end of resistance R17, described resistance
The other end of R17 divides two-way, and a road connects through resistance R11 and 5V power output end, and another road is with the first infrared receiving tube D4's
Anode connects；The colelctor electrode of described audion Q3 divides two-way, and a road connects through resistance R12 and 5V power output end, another road with
STC89C52 single-chip microcomputer connects.
As it is shown in figure 5, in the present embodiment, described second infrared circuit 5 includes the second infrared transmitting circuit and second
Infrared receiving circuit, described second infrared transmitting circuit includes audion Q2 and the second infrared transmitting tube D3, described audion Q2
Emitter stage and the anode of the second infrared transmitting tube D3 connect, the colelctor electrode of described audion Q2 is defeated through resistance R10 and 5V power supply
Going out end to connect, the base stage of described audion Q2 connects through resistance R16 and STC89C52 single-chip microcomputer；Described second infrared receiving circuit
Including audion Q4 and the second infrared receiving tube D5, the base stage of described audion Q4 connects with one end of resistance R18, described resistance
The other end of R18 divides two-way, and a road connects through resistance R13 and 5V power output end, and another road is with the second infrared receiving tube D5's
Anode connects；The colelctor electrode of described audion Q4 divides two-way, and a road connects through resistance R14 and 5V power output end, another road with
STC89C52 single-chip microcomputer connects.
In the present embodiment, described temperature sensor 7 is DS18B20 temperature sensor.
In the present embodiment, described telecommunication circuit 8 is RS232 serial communication circuit.
In the present embodiment, described gsm module 9 includes chip SIM900A.
In the present embodiment, described first level shifting circuit 2-4 and second electrical level change-over circuit 2-5 all includes chip
LM7805。
When this utility model uses, civil power 2-1 is converted to 12V unidirectional current, 12V unidirectional current through step-down rectifying circuit 2-2
One tunnel the first level shifting circuit 2-4 is converted to 5V power supply, and another road is the charging of accumulator 2-3；When civil power 2-1 has electricity,
Being that microcontroller 1 is powered through the 5V power supply of the first level shifting circuit 2-4, microcontroller 1 enters duty, as civil power 2-1
During power-off suddenly, it is that microcontroller 1 is powered that accumulator 2-3 transfers 5V power supply to by second electrical level conversion circuit 2-5, it is ensured that micro-control
Device 1 real time operation processed；Concentration of natural gas threshold value and temperature threshold, sensor of natural gas 3-is preset by liquid crystal touch screen 22
Natural gas in 1 real-time sensing chamber and by the cng signal that collects through signal amplification circuit 3-2 process, then pass through
A/D change-over circuit 3-3 is converted to numeral concentration of natural gas and sends in microcontroller 1, the real-time sensing chamber of flame detection sensor 6
The most whether there is flame, the digital concentration of natural gas received when microcontroller 1 is more than concentration of natural gas threshold value set in advance
Or when flame detection sensor 6 detects that indoor exist flame, microcontroller 1 controls the by the first motor-drive circuit 18
One motor 19 rotates, and the rotation of the first motor 19 drives family's window to open, and microcontroller 1 is by the second motor-drive circuit 20
Controlling the second motor 21 to rotate, the rotation of the second motor 21 drives dead bolt to rotate thus opens entering house door, by entering house door or window
Indoor natural gas or smog are got rid of in opening of family in time, and convenient enforcement rescue measure, meanwhile, microcontroller 1 continues by first
Electrical apparatus driving circuit 14 controls flusher 15 and opens, and removes indoor smog or fire extinguishing by spray water, it is ensured that indoor occupant
Safety；The first infrared circuit 4 being arranged on entering house door detects in real time no has other people to be swarmed into by entering house door, is arranged on
The second infrared circuit 5 on window has detected whether that other people are swarmed into by window in real time, when the first infrared circuit 4 is examined
Having measured other people to be swarmed into by entering house door or time the second infrared circuit 5 has other people to be swarmed into by window, microcontroller 1 controls
Warning circuit 13 is reported to the police, and meanwhile, passes sequentially through telecommunication circuit 8, gsm module 9 and SIM 11 and sends to the mobile phone 12 of resident family,
Resident family is reminded to carry out the precautionary measures；The temperature collected also is sent to micro-control by temperature in the real-time sensing chamber of temperature sensor 7
Device 1 processed, the temperature received is compared by microcontroller 1 with predetermined temperature threshold value, when temperature sensor 7 detects
Temperature more than predetermined temperature threshold value time, microcontroller 1 controls air-conditioning 17 by the second relay drive circuit 16 and enters
Row is cooled to temperature threshold, when the temperature that temperature sensor 7 detects is less than predetermined temperature threshold value, and microcontroller 1
Control air-conditioning 17 by the second relay drive circuit 16 and carry out being warming up to temperature threshold, keep indoor temperature suitable people
In temperature range, it is ensured that the healthy living of people.It addition, temperature and concentration of natural gas can be carried out in real time by liquid crystal touch screen 22
Show, and microcontroller 1 controls SIM 11 by gsm module 9 and detected temperature and concentration of natural gas is sent to
The mobile phone 12 that family is carried with, makes resident family can grasp indoor design condition at any time, it is achieved the long-range monitoring to home environment, convenient fast
Prompt.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still
Belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. a household safe controls device, it is characterised in that: include microcontroller (1), power module, wireless communication module with
And the liquid crystal touch screen (22) that connects with microcontroller (1) and telecommunication circuit (8), described power module includes mains-supplied module
With storage battery power supply module, civil power (2-1) that described mains-supplied module includes connecting successively, step-down rectifying circuit (2-2) and
First level shifting circuit (2-4), described storage battery power supply module include accumulator (2-3) and with accumulator (2-3) outfan
The second electrical level change-over circuit (2-5) connected, described accumulator (2-3) connects with step-down rectifying circuit (2-2), described channel radio
Letter module includes gsm module (9) and the Anneta module (10) connected with gsm module (9) and SIM (11), described gsm module
(9) carrying out data communication by telecommunication circuit (8) and microcontroller (1), described SIM (11) and mobile phone (12) carry out wireless number
According to communication, module, detection of natural gas that the input of described microcontroller (1) is connected to be disposed in the interior is set on entering house door
First infrared circuit (4), the second infrared circuit (5) being arranged on family's window, be disposed in the interior flame inspection
Surveying sensor (6) and the temperature sensor (7) being disposed in the interior, described detection of natural gas module includes the natural gas connected successively
Sensor (3-1), signal amplification circuit (3-2) and A/D change-over circuit (3-3), the outfan of described microcontroller (1) is connected to report
Warn circuit (13), be used for opening or closing first relay drive circuit (14) of flusher (15) and being used for opening or closing
Second relay drive circuit (16) of air-conditioning (17), and for driving the first motor module of family's opening and closing the window and being used for
Drive the second motor module of family entering house door opening and closing, described first motor module include the first motor-drive circuit (18) and with
The first motor (19) that first motor-drive circuit (18) outfan connects, described second motor module includes that the second motor drives
Circuit (20) and the second motor (21) connected with the second motor-drive circuit (20) outfan, described A/D change-over circuit (3-3)
Outfan connect with the input of microcontroller (1), the input of described first motor-drive circuit (18) and the second motor
The input of drive circuit (20) all outfans with microcontroller (1) connect；
Described microcontroller (1) includes STC89C52 single-chip microcomputer；Described A/D change-over circuit (3-3) includes chip TLC1543, institute
State the 15th pin, the 16th pin, the 17th pin, the 18th pin and the 19th pin of chip TLC1543 all with microcontroller (1) phase
Connect.
2. control device according to a kind of household safe described in claim 1, it is characterised in that: described sensor of natural gas (3-
1) MQ-5 sensor of natural gas, the 4th pin, the 5th pin and the connection end of the 6th pin of described MQ-5 sensor of natural gas are included
Dividing two-way, a road connects with 5V power output end, and another road connects through the anode of resistance R1 with light emitting diode D1；Described MQ-5
2nd pin of sensor of natural gas is through resistance R6 ground connection, the 1st pin of described MQ-5 sensor of natural gas and the company of the 3rd pin
Connecing end point two-way, a road is through resistance R4 in parallel and electric capacity C2 ground connection, and another road is the signal output of MQ-5 sensor of natural gas
End.
3. control device according to a kind of household safe described in claim 2, it is characterised in that: described signal amplification circuit (3-
2) including amplifier U1, the in-phase input end of described amplifier U1 divides two-way, and a road is through resistance R5 ground connection, another road and the one of electric capacity C1
End connects；The other end of described electric capacity C1 divides three tunnels, and a road passes with MQ-5 natural gas through resistance R3 through electric capacity C3 ground connection, another road
The signal output part of sensor connects, and the 3rd tunnel connects with the outfan of amplifier U1 through resistance R2；The anti-phase input of described amplifier U1
End is through resistance R8 ground connection；The outfan of described amplifier U1 divides two-way, and a road connects with the inverting input of amplifier U1 through resistance R7,
Another road connects with the 1st pin of chip TLC1543.
4. control device according to a kind of household safe described in claim 1 or 2, it is characterised in that: described first infrared detection
Circuit (4) includes that the first infrared transmitting circuit and the first infrared receiving circuit, described first infrared transmitting circuit include audion
The emitter stage of Q1 and the first infrared transmitting tube D2, described audion Q1 and the anode of the first infrared transmitting tube D2 connect, and described three
The colelctor electrode of pole pipe Q1 connects through resistance R9 and 5V power output end, the base stage of described audion Q1 through resistance R15 with
STC89C52 single-chip microcomputer connects；Described first infrared receiving circuit includes audion Q3 and the first infrared receiving tube D4, described three
The base stage of pole pipe Q3 connects with one end of resistance R17, and the other end of described resistance R17 divides two-way, and a road is through resistance R11 Yu 5V electricity
Source output terminal connects, and another road connects with the anode of the first infrared receiving tube D4；The colelctor electrode of described audion Q3 divides two-way, and one
Road connects through resistance R12 and 5V power output end, and another road connects with STC89C52 single-chip microcomputer.
5. control device according to a kind of household safe described in claim 1 or 2, it is characterised in that: described second infrared detection
Circuit (5) includes that the second infrared transmitting circuit and the second infrared receiving circuit, described second infrared transmitting circuit include audion
The emitter stage of Q2 and the second infrared transmitting tube D3, described audion Q2 and the anode of the second infrared transmitting tube D3 connect, and described three
The colelctor electrode of pole pipe Q2 connects through resistance R10 and 5V power output end, the base stage of described audion Q2 through resistance R16 with
STC89C52 single-chip microcomputer connects；Described second infrared receiving circuit includes audion Q4 and the second infrared receiving tube D5, described three
The base stage of pole pipe Q4 connects with one end of resistance R18, and the other end of described resistance R18 divides two-way, and a road is through resistance R13 Yu 5V electricity
Source output terminal connects, and another road connects with the anode of the second infrared receiving tube D5；The colelctor electrode of described audion Q4 divides two-way, and one
Road connects through resistance R14 and 5V power output end, and another road connects with STC89C52 single-chip microcomputer.
6. control device according to a kind of household safe described in claim 1 or 2, it is characterised in that: described temperature sensor (7)
For DS18B20 temperature sensor.
7. control device according to a kind of household safe described in claim 1 or 2, it is characterised in that: described telecommunication circuit (8) is
RS232 serial communication circuit.
8. control device according to a kind of household safe described in claim 1 or 2, it is characterised in that: described gsm module (9) wraps
Include chip SIM900A.
9. control device according to a kind of household safe described in claim 1 or 2, it is characterised in that: described first level conversion
Circuit (2-4) and second electrical level change-over circuit (2-5) all include chip LM7805.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620671365.1U CN205751133U (en) | 2016-06-29 | 2016-06-29 | A kind of household safe controls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620671365.1U CN205751133U (en) | 2016-06-29 | 2016-06-29 | A kind of household safe controls device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751133U true CN205751133U (en) | 2016-11-30 |
Family
ID=57383502
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620671365.1U Expired - Fee Related CN205751133U (en) | 2016-06-29 | 2016-06-29 | A kind of household safe controls device |
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| Country | Link |
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| CN (1) | CN205751133U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106815977A (en) * | 2017-04-01 | 2017-06-09 | 成都美美通信技术有限公司 | Indoor coal gas leakage detection, alarm system |
| CN108399704A (en) * | 2018-05-04 | 2018-08-14 | 滨州学院 | Fire alarm system based on Internet of Things and method |
| CN109118694A (en) * | 2018-09-29 | 2019-01-01 | 镇江微芯光子科技有限公司 | Invasion detecting device based on light sensation |
-
2016
- 2016-06-29 CN CN201620671365.1U patent/CN205751133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106815977A (en) * | 2017-04-01 | 2017-06-09 | 成都美美通信技术有限公司 | Indoor coal gas leakage detection, alarm system |
| CN108399704A (en) * | 2018-05-04 | 2018-08-14 | 滨州学院 | Fire alarm system based on Internet of Things and method |
| CN109118694A (en) * | 2018-09-29 | 2019-01-01 | 镇江微芯光子科技有限公司 | Invasion detecting device based on light sensation |
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