CN207867674U - Coal gas automatic exhausting device - Google Patents
Coal gas automatic exhausting device Download PDFInfo
- Publication number
- CN207867674U CN207867674U CN201820117672.4U CN201820117672U CN207867674U CN 207867674 U CN207867674 U CN 207867674U CN 201820117672 U CN201820117672 U CN 201820117672U CN 207867674 U CN207867674 U CN 207867674U
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- concentration
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- sound
- light alarm
- gas
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Abstract
The utility model is combustion gas automatic exhausting device, including microcontroller STC89C52, carbonomonoxide concentration detection sensor module, solid state relay module and exhaust fan, sound and light alarm module, reset circuit and DC-stabilized circuit, utilize the technologies such as advanced singlechip technology, carbonomonoxide concentration detection sensor module, sound and light alarm module, the automatic startup of exhaust fan, realize the automatic detection of gas concentration, the functions such as the unlatching of sound-light alarm and air exhausting device, pass through automatic exhausting, the concentration for reducing coal gas in time, ensure that the safety of surrounding people and property.On the one hand it can be used for family kitchen, can effectively reduce gas concentration, ensure personnel safety, while also can be mating with original smoke exhaust ventilator, realize the purpose by smoke exhaust ventilator automatic exhausting.On the other hand the occasions such as industrial and mining enterprises, hotel, the restaurant of coal gas are may be used in, can also played an important role for ensureing surrounding people safely.
Description
Technical field
The utility model is related to a kind of coal gas automatic exhausting devices.
Background technology
In the gas fitting that family uses at present, because lacking automatic exhausting function, Chang Fashengyin gas leaks or household
Anthracemia caused by warming stove, causes casualties and the heavy losses of property, in order to avoid the generation of such thing,
Reinforce inherently safe, improves the equipment and technology precautionary measures, how to be passed using advanced singlechip technology, carbonomonoxide concentration detection
The technologies such as the automatic startup of sensor, sound-light alarm, air exhausting device realize the automatic detection of gas concentration, overload alarm and air draft dress
The functions such as the unlatching set reduce the concentration of coal gas, ensure that the safety of surrounding people and property in time by automatic exhausting.
Invention content
In order to solve the above-mentioned technical problem, the utility model provides a kind of coal gas automatic exhausting device, technical solution
For：Including microcontroller STC89C52, carbonomonoxide concentration detection sensor module, solid state relay module and exhaust fan, acousto-optic
Alarm module, reset circuit and DC-stabilized circuit, the carbonomonoxide concentration detection sensor module, exhaust fan, sound
Light alarm module, reset circuit are connected with microcontroller STC89C52, the output end of carbonomonoxide concentration detection sensor module
DO is connected with the P2.0 lines of the P2 of microcontroller STC89C52 mouths, and the microcontroller STC89C52 is interior as core control single chip computer
There is the program's memory space of 8KB in portion, includes the data space of 256B, meets storage data and the need for variable allocation space
It asks, and utilizes the dedicated programming softwares of STC, realize the purpose of download online application program；
The carbonomonoxide concentration detection sensor module uses MQ-2 gas sensors, is that one kind is electric in clean air
The low stannic oxide SnO of conductance2Air-sensitive, with high/low temperature cycle detection mode and 1.5V heating detection carbon monoxide, sensor
Conductivity increase with CO in Air gas concentration and increase, the stray gas that adsorbs when 5.0V heating cleaning low temperature,
Using the variation of conductivity, digital output signal corresponding with the gas concentration is converted to；
The solid state relay module is connect with exhaust fan, and solid state relay module is controlled by microcontroller STC89C52,
It is automatic to start the fan power supply that runs in when gas concentration reaches concentration threshold, carbon monoxide is automatically drained out, the opening of exhaust fan,
Stopping control circuit selects solid-state relay to realize control；
The output end P2.2 lines of the microcontroller STC89C52 and the input terminal of sound and light alarm module connect, microcontroller
The RESET input RST of STC89C52 and the output end of reset circuit connect, and sound and light alarm module is using collection acoustic alarm and light report
The alert audible-visual annunciator in one, when gas concentration reaches concentration threshold, while starting exhaust fan, to start acousto-optic
Warning circuit realizes protection；
The DC-stabilized circuit and microcontroller, carbonomonoxide concentration detection sensor module, solid-state relay mould
Block, sound and light alarm module are connected with reset circuit.
The beneficial effects of the utility model are：The utility model is coal gas automatic exhausting device, utilizes advanced microcontroller
The technologies such as startup, realization coal gas are dense automatically for technology, carbonomonoxide concentration detection sensor module, sound and light alarm module, exhaust fan
The automatic detection of degree, the functions such as unlatching of sound-light alarm and air exhausting device reduce the concentration of coal gas in time by automatic exhausting,
It ensure that the safety of surrounding people and property.On the one hand it can be used for family kitchen, can effectively reduce gas concentration, ensure personnel's peace
Entirely, while also can be mating with original smoke exhaust ventilator, realize the purpose by smoke exhaust ventilator automatic exhausting.On the other hand can be used for
Using occasions such as the industrial and mining enterprises of coal gas, hotel, restaurants, can also play an important role for ensureing surrounding people safely.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Specific implementation mode
As shown, the utility model using STC89C52 as core control single chip computer, is detected with carbonomonoxide concentration and is passed
The element circuits such as sensor, solid state relay module, sound and light alarm module, exhaust fan connection composition.
（1）Monolithic microcomputer kernel controls the selection of control circuit
For system using STC89C52 single chip as core control single chip computer, there is the program's memory space of 8KB in inside, can
Meet the requirement of storage program, the data space for the 256B that inside includes can also meet storage data and be distributed for variable
The demand in space, and the dedicated programming softwares of STC can be utilized, realize the purpose of download online application program.The special volumes of STC
Journey software version is STC-ISP-V4.78-NOT-SETUP, is a download online dedicated for STC family chips and weave into
Computer terminal upper computer software, the application software that user writes can be downloaded into depositing for chip in such a way that ISP is weaved into online
In reservoir.
（2）The type selecting of carbonomonoxide concentration detection sensor module
The P2.0 lines of the P2 mouths of carbonomonoxide concentration detection sensor module its output end D0 and microcontroller STC89C52 connect
It connects, carbonomonoxide concentration detection sensor module uses MQ-2 gas sensors, is that a kind of conductivity in clean air is low
Stannic oxide (SnO2) gas sensitive.High/low temperature cycle detection mode and low temperature can be used（1.5V heating）Carbon monoxide is detected,
The conductivity of sensor increases with CO in Air gas concentration and is increased, high temperature（5.0V heating）It is adsorbed when cleaning low temperature
Stray gas.It is defeated can be converted to number corresponding with the gas concentration for the variation of conductivity using simple circuit
Go out signal.The sensor to the high sensitivity of carbon monoxide, can detect it is a variety of contain CO gas, be a low cost sensing
Device.
（3）The conceptual design of automatic exhausting device
The input terminal CH connections of the output end P2.1 and solid state relay module of microcontroller STC89C52, solid-state relay mould
Block is connect with exhaust fan, which realizes when gas concentration reaches a certain concentration, automatic to start row by the control of microcontroller
Carbon monoxide is automatically drained out by fan, reduces gas concentration, ensures personnel safety, the design key of air exhausting device is exhaust fan
The design for opening, stopping control circuit, due to consideration that coal gas environment, the start and stop of common relay will produce spark, easily cause quick-fried
It is fried, for this purpose, solid-state relay is selected to realize control.
（4）The scheme of sound light alarming circuit
The output end P2.2 lines of microcontroller STC89C52 and the input terminal of sound and light alarm module connect, microcontroller STC89C52
Input terminal RST and reset circuit output end connect, in order to reduce the complexity of circuit design, which will use
The audible-visual annunciator for integrating acoustic alarm and light alarm is starting air exhausting device to reach a certain concentration in gas concentration
While, start sound light alarming circuit, the highly safe protection for indoor occupant and property is realized by two ways.
（5）The DC-stabilized circuit and microcontroller, carbonomonoxide concentration detection sensor module, solid-state relay
Module, sound and light alarm module are connected with reset circuit.
D.C. regulated power supply uses low-profile switch mode power module of voltage regulation, is to become the AC power of 220V by switching
The circuit modules such as depressor, switching tube, output sample circuit, become the DC power supply of+5V, for the microcontroller in device, an oxidation
Modules offer+5V the DC power supplies such as concentration of carbon detection module, solid-state relay, sound-light alarm.
Utility model works principle：
By carbonomonoxide concentration detection sensor module MQ-2, it is defeated that the gas concentration detected is converted into pulse signal
Go out to inside microcontroller STC89C52, carbonomonoxide concentration is converted thereof by the processing routine of microcontroller STC89C52, so
It is compared afterwards with the threshold value of concentration, more than solid-state relay switch is then started, opens the fan power supply that runs in, automatic row outward
Wind achievees the purpose that reduction carbonomonoxide concentration, meanwhile, sound and light alarm signal is sent out, to realize protection people to the maximum extent
Life security.
The utility model is combustion gas automatic exhausting device, is passed using advanced singlechip technology, carbonomonoxide concentration detection
The technologies such as the automatic startup of sensor, sound-light alarm, air exhausting device realize the automatic detection of gas concentration, overload alarm and air draft dress
The functions such as the unlatching set reduce the concentration of coal gas, ensure that the safety of surrounding people and property in time by automatic exhausting.One
Aspect can be used for family kitchen, can effectively reduce gas concentration, ensure personnel safety, while can also match with original smoke exhaust ventilator
Set realizes the purpose by smoke exhaust ventilator automatic exhausting.On the other hand industrial and mining enterprises, hotel, the restaurant of coal gas be may be used in
Equal public arenas can also play an important role for the personnel safety around ensureing.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to be retouched
The embodiment stated is for a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the scope of protection of the utility model.
Claims (1)
1. coal gas automatic exhausting device, which is characterized in that including microcontroller STC89C52, carbonomonoxide concentration detection sensor mould
Block, solid state relay module and exhaust fan, sound and light alarm module, reset circuit and DC-stabilized circuit, an oxidation
Concentration of carbon detection sensor module, exhaust fan, sound and light alarm module, reset circuit are connected with microcontroller STC89C52, an oxygen
The P2.0 lines for changing output end DO and the P2 of microcontroller the STC89C52 mouth of concentration of carbon detection sensor module are connected, the microcontroller
STC89C52 has the program's memory space of 8KB, includes the data space of 256B as core control single chip computer, inside, full
Foot storage data and the demand for variable allocation space, and the dedicated programming softwares of STC are utilized, realize download online application journey
The purpose of sequence；
The carbonomonoxide concentration detection sensor module uses MQ-2 gas sensors, is one kind conductivity in clean air
Low stannic oxide SnO2 air-sensitives, with high/low temperature cycle detection mode and 1.5V heating detection carbon monoxide, the electricity of sensor
Conductance increases with CO in Air gas concentration and is increased, and the stray gas adsorbed when low temperature is cleaned in 5.0V heating, utilizes
The variation of conductivity is converted to digital output signal corresponding with the gas concentration；
The solid state relay module is connect with exhaust fan, and solid state relay module is controlled by microcontroller STC89C52, works as coal
It is automatic to start the fan power supply that runs in when gas concentration reaches concentration threshold, carbon monoxide is automatically drained out, exhaust fan opens, stops controlling
Circuit processed selects solid-state relay to realize control；
The output end P2.2 lines of the microcontroller STC89C52 and the input terminal of sound and light alarm module connect, microcontroller STC89C52
The RESET input RST and reset circuit output end connect, sound and light alarm module using integrates acoustic alarm and light alarm
Audible-visual annunciator while starting exhaust fan, start sound-light alarm electricity so as to when gas concentration reaches concentration threshold
Protection is realized on road；
The DC-stabilized circuit and microcontroller, carbonomonoxide concentration detection sensor module, solid state relay module, sound
Light alarm module is connected with reset circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117672.4U CN207867674U (en) | 2018-01-24 | 2018-01-24 | Coal gas automatic exhausting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117672.4U CN207867674U (en) | 2018-01-24 | 2018-01-24 | Coal gas automatic exhausting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207867674U true CN207867674U (en) | 2018-09-14 |
Family
ID=63463065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820117672.4U Expired - Fee Related CN207867674U (en) | 2018-01-24 | 2018-01-24 | Coal gas automatic exhausting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207867674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603280A (en) * | 2022-03-10 | 2022-06-10 | 一汽丰田汽车有限公司 | Automatic alarm prompting system, alarm prompting method and application of dust and smoke removing machine |
-
2018
- 2018-01-24 CN CN201820117672.4U patent/CN207867674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603280A (en) * | 2022-03-10 | 2022-06-10 | 一汽丰田汽车有限公司 | Automatic alarm prompting system, alarm prompting method and application of dust and smoke removing machine |
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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: 20180914 Termination date: 20200124 |