CN206741286U - SCM Based gas alarm processing unit - Google Patents
SCM Based gas alarm processing unit Download PDFInfo
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- CN206741286U CN206741286U CN201720433439.2U CN201720433439U CN206741286U CN 206741286 U CN206741286 U CN 206741286U CN 201720433439 U CN201720433439 U CN 201720433439U CN 206741286 U CN206741286 U CN 206741286U
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- module
- single chip
- processing module
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- chip processing
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- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a kind of SCM Based gas alarm processing unit, its feature includes：The detection of gas modules of MQ 2, single chip processing module, gsm module, solenoid valve module；Indoor fuel gas concentration is detected by the sensor assemblies of MQ 2, and makes corresponding signal output, single chip processing module is handled signal, and driving gsm module sends warning message, drive magnetic valve module closing gas valve door.The leakage of the utility model energy real-time detection gas simultaneously closes valve in time, while sends warning message to householder, so as to ensure the safe handling of combustion gas.
Description
Technical field
It the utility model is related to a kind of combustion gas and use monitoring device, it is specifically a set of to be existed based on STC89C52 single chip
The device of warning message transmission and automatic closing air valve can be realized during gas leakage.
Background technology
At present, in terms of detection of gas, in the market has many gas leak detection alarms, and detects sensitive, energy
Enough detect a variety of inflammable toxic gases such as methane, carbon monoxide, hydrogen sulfide.On the other hand, in control valve, it is already possible to real
Now first detect the technology reacted afterwards, i.e., when gas leaks, when reaching finite concentration, air valve can be closed by controlling the valve of gas,
Block the leakage of gas.But in real life, during using hazard gas, nonstandard operation or other can not
Under the external factor effect of prediction, under conditions of it can close air valve, various unthinkable meanings often still occur
Outer event, cause substantial amounts of property loss and casualties.The generation of these problems, can not timely it be transmitted with information close
The relation cut.When user or householder not at the scene when, during situation of causing danger, the very first time can not know particular situation,
It can not take effective measures, cause unexpected generation.
The content of the invention
In place of the utility model is in order to solve above-mentioned the shortcomings of the prior art, a kind of SCM Based combustion gas is proposed
Alert process device, to can real-time detection gas leakage and close valve in time, while send warning message to householder, from
And ensure the safe handling of combustion gas.
The utility model is that technical scheme is used by solving its technical problem：
A kind of the characteristics of SCM Based gas alarm processing unit of the utility model, includes：Gas detection module, list
Piece machine processing module, GSM information sending module, magnetic valve valve control module；The electromagnetic valve control module is by normally closed type
Magnetic valve and relay are formed；
The gas detection module is MQ-2 detectors, and the MQ-2 detectors are detected in air in real time to be leaked
Gas concentration, and single chip processing module is transmitted to by the level signal of pin；
The level signal that the single chip processing module transmits according to the MQ-2 detectors received, driving GSM letters
Cease sending module and send alarming short message to mobile terminal, meanwhile, drive the relay to disconnect the valve of the normally closed solenoid valve.
The characteristics of SCM Based gas alarm processing unit described in the utility model, lies also in, the MQ-2 gases
The operating voltage that the VCC and GND of detector are respectively connected to the single chip processing module makes its energization；
The AD pins of the MQ-2 detectors are analog output pin, and with the single chip processing module
P1.0 pins are connected, for transmitting the level signal corresponding to the gas concentration；It is described when the AD pins are high level
Single chip processing module controls the relay to power off by p1.0 pins, so that the normally closed solenoid valve closes；
The DO pins of the MQ-2 detectors are connected with the p3.4 pins of the single chip processing module, as the DO
When pin is low level, the p3.4 pins of the single chip processing module drive the GSM information sending module transmission alarm short
Letter.
The RXD of the GSM information sending module receives the p3.0 pin phases of data pin and the single chip processing module
Even, for receiving transmission instruction and the content of alarming short message；
The TXD of the GSM information sending module sends the p3.1 pin phases of data pin and the single chip processing module
Even, the transmission state for feedback alarm short message；The transmission state passes through 4 LEDs in the single chip processing module
To show, wherein, LED1 represents that the single chip processing module is just sending alarming short message to the GSM information sending module；
LED2 represents that the GSM information sending module receives the alarming short message that the single chip processing module is sent；LED3 represents SIM
Card is registered to base station；LED4 represents that alarming short message is sent successfully.
The output of the normally closed solenoid valve is DC24V-3.5A, and input is directly accessed the 240V-50HZ of family exchange
The transformer of electricity so that the normally closed solenoid valve normal work.
Compared with prior art, the beneficial effects of the utility model are：
The utility model cost is low, small power consumption, practical, wide application, can be accomplished in real time by gas detection module
Detection, and warning message can timely be transmitted by GSM information sending module, allow people the very first time to recognize dangerous situation,
And can avoids gas and persistently leaked, so as to have by magnetic valve valve control module timely automatic closing gas air valve
Double insurance measure, reached real-time monitoring combustion gas using and can effectively handle the purpose of emergency case.
Brief description of the drawings
Fig. 1 is the utility model apparatus structure schematic diagram；
Fig. 2 is the flow chart of the utility model gas alarm.
Embodiment
Referring to Fig. 1, in the present embodiment, a kind of SCM Based gas alarm processing unit is detected using MQ-2, single
The processing of piece machine, the device of TC-35 GSM and magnetic valve reaction, be mainly used in the gas safe protection of smart home in use,
Its composition includes：Gas detection module, single chip processing module, GSM information sending module, magnetic valve valve control module；Electricity
Magnet valve door control module is made up of normally closed solenoid valve and relay；
Gas detection module is made up of MQ-2 detectors, and in specific implementation, MQ-2 detectors are placed on into kitchen
Room gas-cooker bottom, it is therefore an objective to can detect air valve connector whether there is gas leakage, and can detects whether gas-cooker leaks
Gas.MQ-2 detectors detect the gas concentration leaked in air in real time, when have gas leak and concentration be more than setting
During concentration range, MQ-2 quickly detects gas leakage and is allowed to switch to level signal, and is transmitted to single-chip microcomputer by pin and handles mould
Block, the level signal that single chip processing module transmits according to the MQ-2 detectors received, drive GSM information sending module
Alarming short message is sent to mobile terminal, meanwhile, driving relay disconnects the valve of the normally closed solenoid valve.
MQ-2 gas detectors are connected with single-chip microcomputer could realize normal work, allow MQ-2 to access STC89C52 single chip,
The operating voltage that the VCC and GND of MQ-2 detectors are respectively connected to single chip processing module makes its energization；Due to needing to ensure
The detectivity of gas detector, therefore after it is powered, it is impossible to allow its work immediately, 5 minutes or so need to be preheated, Fang Kezheng
The hazardous gas often leaked in detection air.
The AD pins of MQ-2 detectors are analog output pin, and with the p1.0 pin phases of single chip processing module
Even, for transmitting the level signal corresponding to gas concentration；When AD pins are high level, single chip processing module passes through p1.0
Pin control relay powers off, so that normally closed solenoid valve closes；Valve is closed in time, blocks the leakage of gas.Reach
Dangerous information can be transmitted in time, and and can closes the purpose of air valve in time.
The DO pins of MQ-2 detectors are connected with the p3.4 pins of single chip processing module, when MQ-2 detects danger
Gas, and when exceeding preset concentration, DO mouths produce low level signal, low level signal is exported to single-chip microcomputer by P3.4 pins,
After single-chip microcomputer reception signal in the presence of pre-set programs, driving GSM information sending module sends alarming short message to presetting
Number.
As shown in Fig. 2 for the control program flow chart of SMS alarm, GSM information sending module is to realize it by program
Function, in no gas leakage or relatively low concentration, do not perform and send alarming short message program；When detector detects leakage
Combustion gas reach setting concentration when, MQ-2DO output ends are by p3.4 interface transmission level signals to single-chip microcomputer, MCU driving
GSM sends an SMS to mobile phone terminal.
Referring to Fig. 1, in the connection of the circuit of GSM information sending module and single-chip microcomputer, GSM and list are realized with 3 Du Pont's lines
The connection of piece machine, i.e. GND, RXD, TXD.The input of single-chip microcomputer is 5V, and GSM input is 12V, so they have to public domain.
Other RXD is the pin for receiving data, and TXD is the pin for sending data, and the RXD of GSM information sending module receives data pin
It is connected with the p3.0 pins of the single chip processing module, is instructed for alarming short message transmission of the reception from single-chip microcomputer and interior
Hold；
The TXD of GSM information sending module sends data pin and is connected with the p3.1 pins of single chip processing module, for anti-
Present the transmission state of alarming short message；After single-chip microcomputer receives the low level signal from MQ-2, the police that transmits messages in trigger
SMS.Transmission state shown by 4 LEDs in the single chip processing module, wherein, LED1 represents single-chip microcomputer
Processing module is just sending alarming short message to GSM information sending module；LED2 represents that GSM information sending module receives single-chip microcomputer processing
The alarming short message that module is sent；LED3 represents that SIM card is registered to base station；LED4 represents that alarming short message is sent successfully.Mobile terminal
An alarming short message will now be received.
Referring to Fig. 1, in the circuit system of magnetic valve and single-chip microcomputer, selection is normally closed solenoid valve, normally closed type electromagnetism
The condition of work of valve is DC24V-2.5A, a use of output is DC24V-3.5A, input is directly accessed the 240V-50HZ's of family
The transformer of alternating current so that normally closed solenoid valve normal work.Access way is to allow both threads one end in transformer and electricity
The single line of magnet valve is connected, the other end, the controlling switch of another line all cut-in relays in transformer and magnetic valve, i.e.,
The break-make of the whole electric current of Control can be allowed, when MQ-2 detects leakage combustion gas, single-chip microcomputer receives the mould from MQ-2
Intend voltage output, trigger relay work, turn-off current, close electromagnetic valve immediately, reach the purpose for hindering gas leakage.
Claims (2)
1. a kind of SCM Based gas alarm processing unit, it is characterized in that including：Gas detection module, single-chip microcomputer processing mould
Block, GSM information sending module, magnetic valve valve control module；The electromagnetic valve control module by normally closed solenoid valve and after
Electrical equipment is formed；
The gas detection module is MQ-2 detectors, and the MQ-2 detectors detect the combustion leaked in air in real time
Gas concentration, and single chip processing module is transmitted to by the level signal of pin；
The level signal that the single chip processing module transmits according to the MQ-2 detectors received, driving GSM information hair
Module is sent to send alarming short message to mobile terminal, meanwhile, drive the relay to disconnect the valve of the normally closed solenoid valve；
The operating voltage that the VCC and GND of the MQ-2 detectors are respectively connected to the single chip processing module makes its energization；
The AD pins of the MQ-2 detectors are analog output pin, and are drawn with the p1.0 of the single chip processing module
Pin is connected, for transmitting the level signal corresponding to the gas concentration；When the AD pins are high level, the single-chip microcomputer
Processing module controls the relay to power off by p1.0 pins, so that the normally closed solenoid valve closes；
The DO pins of the MQ-2 detectors are connected with the p3.4 pins of the single chip processing module, when the DO pins
For low level when, the p3.4 pins of the single chip processing module drive the GSM information sending module to send alarming short message；
The RXD of the GSM information sending module receives data pin and is connected with the p3.0 pins of the single chip processing module, uses
In the transmission instruction and content that receive alarming short message；
The TXD of the GSM information sending module sends data pin and is connected with the p3.1 pins of the single chip processing module, uses
In the transmission state of feedback alarm short message；The transmission state is shown by 4 LEDs in the single chip processing module
Show, wherein, LED1 represents that the single chip processing module is just sending alarming short message to the GSM information sending module；LED2 tables
Show that the GSM information sending module receives the alarming short message that the single chip processing module is sent；LED3 represents SIM card registration
To base station；LED4 represents that alarming short message is sent successfully.
2. SCM Based gas alarm processing unit according to claim 1, it is characterized in that, the normally closed type electromagnetism
The output of valve is DC24V-3.5A, and input is directly accessed the transformer of the 240V-50HZ of family alternating current so that described normally closed
Formula magnetic valve normal work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433439.2U CN206741286U (en) | 2017-04-24 | 2017-04-24 | SCM Based gas alarm processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433439.2U CN206741286U (en) | 2017-04-24 | 2017-04-24 | SCM Based gas alarm processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206741286U true CN206741286U (en) | 2017-12-12 |
Family
ID=60561733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720433439.2U Expired - Fee Related CN206741286U (en) | 2017-04-24 | 2017-04-24 | SCM Based gas alarm processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206741286U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709089A (en) * | 2018-08-06 | 2018-10-26 | 陈华庚 | Pipe switch device and intelligent gas pipeline |
| CN108932823A (en) * | 2018-09-12 | 2018-12-04 | 钟祥博谦信息科技有限公司 | A kind of fuel gas alarming methods, devices and systems |
| CN112233383A (en) * | 2020-07-15 | 2021-01-15 | 南京理工大学 | Double-detector self-diagnosis gas monitoring system based on Internet of things |
-
2017
- 2017-04-24 CN CN201720433439.2U patent/CN206741286U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709089A (en) * | 2018-08-06 | 2018-10-26 | 陈华庚 | Pipe switch device and intelligent gas pipeline |
| CN108932823A (en) * | 2018-09-12 | 2018-12-04 | 钟祥博谦信息科技有限公司 | A kind of fuel gas alarming methods, devices and systems |
| CN112233383A (en) * | 2020-07-15 | 2021-01-15 | 南京理工大学 | Double-detector self-diagnosis gas monitoring system based on Internet of things |
| CN112233383B (en) * | 2020-07-15 | 2024-02-13 | 南京理工大学 | Dual-detector self-diagnosis gas monitoring system based on Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200424 |