CN206697014U - A kind of household fuel gas detection and warning system based on 51 single-chip microcomputers - Google Patents
A kind of household fuel gas detection and warning system based on 51 single-chip microcomputers Download PDFInfo
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- CN206697014U CN206697014U CN201720257290.7U CN201720257290U CN206697014U CN 206697014 U CN206697014 U CN 206697014U CN 201720257290 U CN201720257290 U CN 201720257290U CN 206697014 U CN206697014 U CN 206697014U
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Abstract
A kind of household fuel gas detection based on 51 single-chip microcomputers and warning system are the utility model is related to, includes single-chip minimum system, power module, gas concentration detection module, temperature detecting module, LCD display module, sound and light alarm module, GPRS short message alarm modules and protection module.The LCD display module is used for exporting real-time temperature and gas concentration.It can be amblyopia or the different crowd service such as hard of hearing that the sound and light alarm module, which has voice message and strong light flash,.SMS alarm can be transmitted in the GPRS short message alarm modules, user can be allowed rapidly to receive alarm signal in strange land.The protection module opens suction fan for control closed electromagnetic valve gas piping and control relay.The power module of the utility model design, it is that whole system continues to provide required voltage that stand-by power supply can be automatically turned on after normal power supply fails, and maintains the running of whole coal gas detecting system.
Description
Technical field
A kind of household fuel gas detection and warning system are the utility model is related to, in particular, being that design is a kind of is based on 51
The household fuel gas detection of single-chip microcomputer and warning system.
Background technology
As the economic fast development with science and technology, the improvement of raising and living environment of the people to quality of life are more next
More pay attention to, the use that liquefied gas, coal gas enter family is brought conveniently for people, also The Surroundings in Cities is made moderate progress, with this
Simultaneously because the carelessness of people and the seal defect of container cause the health for being leaked to people of coal gas or even life to bring
Threaten.
Coal gas is colourless gas, is not easy to discover, so gas leak is one huge for daily life
Potential safety hazard.Just because of this, we improve detecting system to help us to the coal gas in daily life with regard to urgent demand one
Monitor and alarm in real time.Coal gas detecting system in the past, usually there is unicity, amblyopia or user hard of hearing in terms of alarm
Alarm signal can not be identified immediately, and can not understand the situation in family in time when user goes out, it is impossible to realize that strange land is alarmed.
With raising of the people to security environment security and comfortableness, renewal and the exploitation of household fuel gas detecting system will be each
Family provides and more fully ensured.
Utility model content
The utility model is to provide a kind of household fuel gas detection based on 51 single-chip microcomputers and warning system, and can provide aobvious
Show and multi-functional, alarming.
The technical solution of the utility model is：A kind of household fuel gas detection and warning system based on 51 single-chip microcomputers, comprising
Single-chip minimum system, power module, gas concentration detection module, temperature detecting module, LCD display module, sound and light alarm mould
Block, GPRS short message alarm modules and protection module；It is characterized in that：Single-chip minimum system connects with power module, by power supply
Module for power supply, single-chip minimum system is connected again with temperature detecting module, gas concentration detection module and LCD display module,
The data of gained are shown by LCD after temperature detecting module, gas concentration detection module are communicated with single-chip minimum system
Show that module is shown；Sound and light alarm module, GPRS short message alarm modules and protection module connect single-chip minimum system respectively,
The protection module is specially to control closed electromagnetic valve gas piping and control relay to open suction fan；When gas concentration is exceeded
When, two alarm modules can be triggered and carry out safeguard measure, wait and manually find just to may proceed to just after alarming and cancelling alarm
Often check, otherwise can be constantly in alarm condition.User, which dashes forward to meet in use, to have a power failure, and can enable stand-by power supply automatically, make
Whole system is more safe and reliable.
The power module is gas concentration detection module, temperature detection mould while being single-chip minimum system power supply
Block, LCD display module, sound and light alarm module, GPRS short message alarm modules and protection module power supply.
The single-chip minimum system master chip is STC89C52.
The household fuel gas detection based on 51 single-chip microcomputers is additionally provided with stand-by power supply with warning system, and stand-by power supply connection is single
Piece machine minimum system, stand-by power supply are connected with power module by Xiao Jite diodes, and power module can suppress standby at work
With power supply, stand-by power supply can automatically access single-chip minimum system after power module fails；Play as power module
Effect.
The LCD display module is used for reminding the current temperature of user and gas concentration.
It can be amblyopia or the different crowd service such as hard of hearing that the sound and light alarm module, which has voice message and strong light flash,.
SMS alarm can be transmitted in the GPRS short message alarm modules, allows user also can promptly receive alarm signal in strange land
Number.
The advantages of the utility model：（1）The utility model can use the power interface of normal domestic use to power, and eliminate replacing electricity
The trouble in pond.Stand-by power supply can enable automatically after power failure, and whether no matter the system have a power failure in user family can be normal
Work, one layer of guarantee is improved again in security.（2）The variation of alarm measure and the hommization of safeguard measure, even
Child old man also can be quickly identification alarm signal, provide the user more preferable personal safety guarantee.（3）The utility model institute
The component being related to belong to it is conventional, more cheap in price, using 51 single-chip microcomputers as processor, operation side
Just, it is practical simple, securely and reliably, more conducively promote.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the program flow diagram of the example of the utility model.
In figure, single-chip minimum system 1, power module 2, gas concentration detection module 3, temperature detecting module 4, LCD
Display module 5, sound and light alarm module 6, GPRS short message alarm modules 7, protection module 8, stand-by power supply 9.
Embodiment
For the ease of it will be appreciated by those skilled in the art that existing that example combination principle block diagram and program flow diagram is new to this practicality
The structure and working principle of type is described in further detail.
With reference to figure 1 and Fig. 2, a kind of household fuel gas detection and warning system based on 51 single-chip microcomputers are minimum comprising single-chip microcomputer
System 1, power module 2, gas concentration detection module 3, temperature detecting module 4, LCD display module 5, sound and light alarm module 6,
GPRS short message alarm modules 7, protect mould 8；It is characterized in that：Single-chip minimum system 1 and power module 2 connect, by power supply mould
Block 2 is powered, and single-chip minimum system 1 is connected again with temperature detecting module 3, gas concentration detection module 4 and LCD display module
5, the data of gained pass through after temperature detecting module 3, gas concentration detection module 4 are communicated with single-chip minimum system 1
LCD display module 5 is shown；Sound and light alarm module 6, GPRS short message alarm modules 7 and protection module 8 connect single-chip microcomputer respectively
Minimum system 1, the protection module are specially to control closed electromagnetic valve gas piping and control relay to open suction fan, and this is specially
Profit is additionally provided with stand-by power supply 9, and single-chip minimum system 1 connects.
The utility model is starting first to initialize individual module, the then detection of start temperature and gas concentration, when
Gas concentration exceedes preset value, automatic start alarm module and protection module until user has found and cancels alarm, otherwise can one
Straight repetition of alarms, it can be shown in real time by LCD display module in detection process current with regard to temperature and gas concentration.
The single-chip minimum system is made up of crystal oscillating circuit and reset circuit, and crystal oscillating circuit provides clock for whole system
Signal, reset circuit can make the counter O reset of program, there is provided restart effect.
The power module utilizes transformer by household AC 220V voltage step-downs to 9V is exchanged, by bridge commutating, filter
It is direct current 12V voltages that wave circuit, which will exchange 9V voltage conversions,.Mu balanced circuit utilizes 7805 by direct current 12V voltage stabilizings to direct current 5V, confession
Machine line uses.
The standby power supply module by RB705D Xiao Jite diodes and brilliant extra large 18650 rechargeable type lithium battery groups into,
The maximum forward pressure drop of RB705D Xiao Jite diodes is 0.37V, and the lithium battery output voltage may be configured as 4.5V, in power supply mould
After block failure, the fast quick-recovery of Xiao Jite diodes, stand-by power supply circuit turns on immediately, continues to provide electricity for whole system automatically
Source.After power module recovers, stand-by power supply can be in charged state, be ready for next use.
The temperature detecting module main devices are DS18B20 temperature sensors, the detection range of the sensor for -55 ~+
125℃.In the family using complying fully with its working environment.The working method of its monobus is more square in single-chip microcomputer control
Just.Data are given to single-chip microcomputer after being measured to be handled.
The gas concentration detection module main devices are MQ-7 sensors, and MQ7 uses tin ash（SnO2）Make
For gas sensitive, MQ-7 sensors utilize high/low temperature cycle detection CO methods（CO is the main component of coal gas）, in high temperature, clearly
Wash the foreign gas absorbed in low temperature.There is low conductivity characteristic in clean air.MQ-7 electrical conductivity can become with CO concentration
Become big greatly.Finally by the change transitions of electrical conductivity into corresponding output signal.The signal is changed it through A/D converter part
After give single-chip microcomputer and handled.
The main devices of the LCD display module are CH320240 displays, and the display area is 5.7 cun, display side
Formula is that monochrome is shown, driving voltage 5V/3.3V.After single-chip microcomputer and CH320240 communication connection, by temperature detecting module and
Data obtained by Alcohol mental disorders module are shown.User can be intuitive to see the result of measurement.
The report acousto-optic police module is humanized, and audio alert uses ISD1820 chips, and chipset recording playback is
One, it can allow people that the serious of the state of affairs is acoustically being understood more intuitively, strong LED, which flashes, visually to be provided the user
Alarm again.In safeguard measure, closed electromagnetic valve gas piping and control relay is controlled to open suction fan for people's
Life security adds one more and ensured again.
The GPRS short message alarm modules are mainly made up of SIM900A and SIM card, and the module passes through RS232 and 51 monolithics
Machine is communicated, and in gas concentration exception, is sent the SMS to by SIM card in the mobile phone of user, allow user in strange land promptly
Receive alarm signal.
The single-chip microcomputer is core component of the present utility model, can be real-time according to the measurement and control to peripheral circuit
Change the gas concentration of display and the numerical value of temperature.
Preferred embodiment of the present utility model is the foregoing is only, what all foundation present utility model application the scope of the claims were done
Equivalent changes and modifications, it should all belong to covering scope of the present utility model.
Claims (4)
1. a kind of household fuel gas detection and warning system based on 51 single-chip microcomputers, include single-chip minimum system, power module, coal
Gas concentration detection module, temperature detecting module, LCD display module, sound and light alarm module, GPRS short message alarm modules and protection mould
Block；It is characterized in that：Single-chip minimum system connects with power module, is powered by power module, single-chip minimum system again with
Temperature detecting module, gas concentration detection module is connected and LCD display module, temperature detecting module, gas concentration detection mould
The data of gained are shown by LCD display module after block is communicated with single-chip minimum system；Sound and light alarm module,
GPRS short message alarm modules and protection module connect single-chip minimum system respectively, and the protection module is specially to control magnetic valve
Close gas piping and control relay opens suction fan.
2. a kind of household fuel gas detection and warning system based on 51 single-chip microcomputers according to claim 1, it is characterised in that：
The power module is that gas concentration detection module, temperature detecting module, LCD are shown while being single-chip minimum system power supply
Module, sound and light alarm module, GPRS short message alarm modules and protection module power supply.
3. a kind of household fuel gas detection and warning system based on 51 single-chip microcomputers according to claim 1, it is characterised in that：
The single-chip minimum system master chip is STC89C52.
4. a kind of household fuel gas detection and warning system based on 51 single-chip microcomputers according to claim 1, it is characterised in that：
The household fuel gas detection based on 51 single-chip microcomputers is additionally provided with stand-by power supply with warning system, and stand-by power supply connection single-chip microcomputer is minimum
System, stand-by power supply are connected with power module by Xiao Jite diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257290.7U CN206697014U (en) | 2017-03-16 | 2017-03-16 | A kind of household fuel gas detection and warning system based on 51 single-chip microcomputers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257290.7U CN206697014U (en) | 2017-03-16 | 2017-03-16 | A kind of household fuel gas detection and warning system based on 51 single-chip microcomputers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206697014U true CN206697014U (en) | 2017-12-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720257290.7U Expired - Fee Related CN206697014U (en) | 2017-03-16 | 2017-03-16 | A kind of household fuel gas detection and warning system based on 51 single-chip microcomputers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345781A (en) * | 2018-09-27 | 2019-02-15 | 佛山科学技术学院 | A kind of SCM Based coal gas detection system |
-
2017
- 2017-03-16 CN CN201720257290.7U patent/CN206697014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345781A (en) * | 2018-09-27 | 2019-02-15 | 佛山科学技术学院 | A kind of SCM Based coal gas detection system |
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| 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: 20171201 Termination date: 20200316 |