CN108319209A - kitchen environment safety monitoring system based on internet of things and its monitoring method - Google Patents
kitchen environment safety monitoring system based on internet of things and its monitoring method Download PDFInfo
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- CN108319209A CN108319209A CN201810367879.1A CN201810367879A CN108319209A CN 108319209 A CN108319209 A CN 108319209A CN 201810367879 A CN201810367879 A CN 201810367879A CN 108319209 A CN108319209 A CN 108319209A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000008054 signal transmission Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 89
- 239000002737 fuel gas Substances 0.000 claims description 27
- 239000000779 smoke Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 13
- 239000000567 combustion gas Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims 3
- 239000000295 fuel oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000567 intoxicating Toxicity 0.000 description 1
- 230000002673 intoxicating effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of kitchen environment safety monitoring system and its monitoring method based on Internet of Things, including master controller, combustable gas concentration sensor, PM2.5 concentration sensors, gas lockout valve device, display screen, electric window-opening device, buzzer, GPRS communication module, the combustable gas concentration sensor and PM2.5 concentration sensors are separately connected master controller, the master controller connects GPRS communication module, and remote signal transmission is carried out by GPRS communication module；The display screen connects master controller, for showing PM2.5 concentration values, combustable gas concentration value；The buzzer connects master controller, for sending out buzzing alarm；The master controller connection gas lockout valve device and electric window-opening device, realize the control to burnt gas valve and window.The system can monitor the combustable gas concentration and PM2.5 concentration of kitchen environment, once exceeded can send out alarm signal, and control window opening and gas lockout valve, to effectively avoid life and property loss.
Description
Technical field
The invention belongs to kitchen environment security technology areas, and in particular to a kind of kitchen environment safety prison based on Internet of Things
Control system and its monitoring method.
Background technology
PM2.5 is the killer being detrimental to health, and kitchen can be contained big since environment is special in the oil smoke that when culinary art generates
The PM2.5 (i.e. pellet of the grain size less than or equal to 2.5 microns) of amount.
Gas leakage refers to by surprisingly causing combustion gas to be leaked in air from pipeline.Currently, gas heater, kitchen focus
Tool be required to use combustion gas, be easy to encounter gas leakage phenomenon in use, as open fire is off, pipeline aging or
Gas leakage caused by the kitchen range failure of person kitchen, once gas leakage phenomenon, the user inside the environment of space-closed occurs
Intoxicating phenomenon can occur, or cause explosion so that lives and properties are on the hazard.
With the development of technology of Internet of things, the monitoring of gas leakage can be monitored by having occurred some currently on the market
Device, and the monitor of PM2.5 can be detected, but be the absence of one kind can monitor simultaneously combustable gas concentration, PM2.5 concentration with
And the comprehensive kitchen environment safety monitoring system with alarm and respective handling mechanism.
In addition, the kitchen kitchen range for leaking and being automatically closed can be detected by also occurring some currently on the market, but it is
The kitchen range own switch of closing, and leakage point is likely to (combustion gas in the connection flexible pipe between gas pipeline and kitchen kitchen range
Pipeline is connected with kitchen kitchen range by hose, the junction of hose and gas pipeline, hose and kitchen kitchen range junction most
It is easy to happen leakage), therefore, in this case, even if closing the own switch of kitchen range, prevention gas leakage can not be played
Purpose.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of, and the kitchen environment based on Internet of Things is supervised safely
Control system and its monitoring method.The system can monitor the combustable gas concentration and PM2.5 concentration of kitchen environment, once exceeded meeting
Alarm signal is sent out, and controls window opening and gas lockout valve, to effectively avoid life and property loss.
The present invention is achieved by the following technical solutions：
A kind of kitchen environment safety monitoring system based on Internet of Things, including master controller, combustable gas concentration sensor,
PM2.5 concentration sensors, gas lockout valve device, display screen, electric window-opening device, buzzer, GPRS communication module and motor
Driving circuit,
The combustable gas concentration sensor and PM2.5 concentration sensors are separately connected master controller, combustable gas concentration
Sensor is used to detect the concentration of fuel gas in kitchen, and PM2.5 concentration sensors are used to detect the oil smoke concentration in kitchen；Institute
It states master controller and the electric window-opening device is connected by motor-drive circuit；The master controller connects GPRS communication module, leads to
It crosses GPRS communication module and carries out remote signal transmission；The display screen connects master controller, for showing PM2.5 concentration values, can
Fire gas concentration value；The buzzer connects master controller, for sending out buzzing alarm；
The gas lockout valve device, including the drive component that is fixed on gas pipeline and it is fixed on gas valve
Spanner fixation kit on the spanner of door；
The driving component includes the first fixture block and the second fixture block, is provided on the first fixture block and the second fixture block and Gas Pipe
The matched interior concave arc in road is provided with the corresponding bolt hole in position on the first fixture block and the second fixture block, passes through screw bolt and nut
First fixture block and the second fixture block are fixed on gas pipeline；Motor, the output shaft of motor are fixedly installed on the first fixture block
One reel of upper fixed setting is provided with cable on reel；It is additionally provided with limit switch on the first fixture block, works as burnt gas valve
Spanner be closed in place after can be contacted with the limit switch；It is also associated with drive control device, the drive in the first fixture block lower end
Movement controller includes that microcontroller, motor drive module, voltage transformation module and AC-DC conversion module, microcontroller pass through electricity
Machine drive module connects the motor；Microcontroller is connect with limit switch, and to receive the switching signal of limit switch, judgement is
The spanner of no burnt gas valve is closed in place；The ac input end of AC-DC conversion module connects mains-supplied plug, and alternating current-direct current turns
The DC output end for changing the mold block connects voltage transformation module, and it is it that voltage transformation module, which connects microcontroller and motor drive module,
Power supply；
The spanner fixation kit includes first clamping plate and second clamping plate, and position is provided in first clamping plate and second clamping plate
First clamping plate and second clamping plate are fixed on the spanner of burnt gas valve by corresponding bolt hole by screw bolt and nut；First
A threading bolt is provided on clamping plate, which is equipped with threading via hole；Cable on the reel of drive component is drawn
It is penetrated after going out in the threading via hole of threading bolt of spanner fixation kit, tightens threading bolt, realized cable and thread bolt
It is fixed；
The microcontroller of the gas lockout valve device is connect with the master controller, by master controller to microcontroller
Device sends signal, to control the motor action of gas lockout valve device.
In the above-mentioned technical solutions, the motor of gas lockout valve device is mounted by means of bolts on the first fixture block.
In the above-mentioned technical solutions, reel inner wall is provided with keyway, is provided with key on the output shaft of motor, passes through key
The cooperation of slot and key realizes that reel is fixedly mounted on the output shaft of motor.
In the above-mentioned technical solutions, the cable is preferably steel wire rope.
In the above-mentioned technical solutions, the master controller uses STM32F103.
In the above-mentioned technical solutions, the electric window-opening device is chain type electric window opener.
In the above-mentioned technical solutions, the electric window-opening device is push-down electric window-opening device.
In the above-mentioned technical solutions, master controller connects mobile terminal by GPRS communication networks.Further, mobile whole
End is mobile phone.
The monitoring method of the kitchen environment safety monitoring system based on Internet of Things is as follows：
By combustable gas concentration sensor and PM2.5 concentration sensors detect respectively the concentration of fuel gas in kitchen with
And oil smoke concentration, and detection signal is sent to master controller, after master controller processing, by the concentration value and oil of fuel gas
Smoke density value signal is sent to display screen, to show the concentration value and oil smoke concentration value of fuel gas；When master controller judges
When the concentration of the fuel gas detected is more than the secure threshold of setting and when PM2.5 concentration is more than the secure threshold of setting,
Then master controller sends signal to buzzer, and buzzer is made to send out buzzing alarm；Master controller can also be sent to display screen simultaneously
Coherent signal makes display screen display alarm information；
When master controller judges that the concentration of detected fuel gas is more than the secure threshold of setting, master controller can be to
The microcontroller of gas lockout valve device, which is sent, closes valve signal, and microcontroller drives motor action after receiving the signal,
Motor drives reel to rotate synchronously, and the spanner of burnt gas valve is pulled to reel by reel by cable, when burnt gas valve
After spanner is closed in place, limit switch is just triggered, after microcontroller receives the limit signal of limit switch transmission, control
Motor stops；
When master controller judges that the concentration of detected fuel gas is more than the secure threshold of setting, main controller controls
Electric window-opening device starts, and opens the window；
Master controller can connect mobile terminal (mobile phone) by GPRS communication networks, be detected when master controller judgement
When the concentration of fuel gas is more than the secure threshold of setting, master controller can send warning message to mobile terminal (mobile phone), carry
Awake user has gas leakage.Mobile terminal (mobile phone) also can to master controller send closing gas valve door control instruction with
And the control instruction that control electric window-opening device starts, closes.
The advantages of the present invention are：
This system combines combustable gas concentration monitoring function and PM2.5 concentration monitor functions together, can monitor simultaneously
The combustable gas concentration and PM2.5 concentration of kitchen environment, and it is dense by display screen real-time display combustable gas concentration value and PM2.5
Angle value enables a person to the environmental quality for seeing kitchen in real time, and kitchen personnel is facilitated to make respective reaction (such as windowing or smoke pumping
Machine).And this system can voluntarily judge whether combustable gas concentration and PM2.5 concentration are exceeded, once exceeded can send out report
Alert signal, and control window and open and automatically by gas lockout valve, to effectively avoid life and property loss.
Gas lockout valve device in the present invention, simple in structure, reasonable design is at low cost, with existing automatic pass
The scheme of closing is compared, and the valve on gas pipeline can be directly closed, rather than closes kitchen kitchen range, to be better able to ensure combustion
The validity that air to close closes.
Also there is the present invention remote monitoring function, master controller can connect mobile terminal (hand by GPRS communication networks
Machine), when master controller judges that the concentration of detected fuel gas is more than the secure threshold of setting, master controller can be to movement
Terminal (mobile phone) sends warning message, and user is reminded to have gas leakage.Mobile terminal (mobile phone) can also be sent out to master controller
The control instruction of closing gas valve door and control electric window-opening device is sent to start, the control instruction of closing.
Description of the drawings
Fig. 1 is the electric control structure schematic diagram of the whole system of the present invention.
Fig. 2 is the mechanical structure schematic diagram of gas lockout valve device.
Fig. 3 is the A of the drive component of gas lockout valve device to diagrammatic cross-section.
Fig. 4 is the side view of the spanner fixation kit in gas lockout valve device.
Fig. 5 is the structural schematic diagram of the threading bolt in spanner fixation kit.
Fig. 6 is the structural schematic diagram after gas lockout valve device makes burnt gas valve spanner be closed.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, furtherly with reference to specific embodiment
Bright technical scheme of the present invention.
Referring to attached drawing 1, a kind of kitchen environment safety monitoring system based on Internet of Things, including master controller, fuel gas
Concentration sensor, PM2.5 concentration sensors, gas lockout valve device, display screen, electric window-opening device, buzzer, GPRS communications
Module, motor-drive circuit, voltage transformation module and AC-DC conversion module.
The combustable gas concentration sensor and PM2.5 concentration sensors are separately connected master controller, combustable gas concentration
Sensor is used to detect the concentration of fuel gas in kitchen, and PM2.5 concentration sensors are used to detect the oil smoke concentration in kitchen；Institute
It states master controller and the electric window-opening device is connected by motor-drive circuit；The master controller connects GPRS communication module, leads to
It crosses GPRS communication module and carries out remote signal transmission；The display screen connects master controller, for showing PM2.5 concentration values, can
Fire gas concentration value；The buzzer connects master controller, for sending out buzzing alarm；The exchange of AC-DC conversion module inputs
The DC output end of end connection mains-supplied line, AC-DC conversion module connects voltage transformation module, voltage transformation module connection
Master controller, motor-drive circuit and GPRS communication module, it is each module to be converted to suitable voltage by voltage transformation module
Power supply.
Referring to attached drawing 2-6, the gas lockout valve device, including be fixed on gas pipeline a drive component 1, with
And it is fixed on the spanner fixation kit 2 on the spanner b of burnt gas valve.
The driving component 1 includes the first fixture block 1-1 and the second fixture block 1-2, is provided on the first fixture block and the second fixture block
With the matched interior concave arc of gas pipeline, the corresponding bolt hole in position is provided on the first fixture block and the second fixture block, in use,
First fixture block and the second fixture block be fixed on gas pipeline a to (gas pipeline is accommodated in the first fixture block by screw bolt and nut
And second between fixture block)；Being fixedly installed motor 1-3 on the first fixture block 1-1, (motor is mounted by means of bolts on first
On fixture block), a reel 1-4 is fixedly installed on the output shaft of motor, and (reel inner wall is provided with keyway, in the output shaft of motor
On be provided with key, by the cooperation of keyway and key, realize that reel is fixedly mounted on the output shaft of motor), on reel 1-4
It is provided with cable 3；It is additionally provided with limit switch 1-5 on the first fixture block 1-1, it can after the spanner of burnt gas valve is closed in place
It is contacted with the limit switch；Being also associated with drive control device 1-6, the drive control device 1-6 in the first lower ends fixture block 1-1 includes
Microcontroller, motor drive module, voltage transformation module and AC-DC conversion module, microcontroller are connected by motor drive module
Meet the motor 1-3；Microcontroller is connect with limit switch 1-5, to receive the switching signal of limit switch, judges whether combustion gas
The spanner of valve is closed in place；The ac input end of AC-DC conversion module connects mains-supplied plug, AC-DC conversion module
DC output end connect voltage transformation module, voltage transformation module connects microcontroller and motor drive module, passes through voltage
It is each module for power supply that conversion module, which is converted to suitable voltage,.
The spanner fixation kit 2 includes first clamping plate 2-1 and second clamping plate 2-2, is set in first clamping plate and second clamping plate
It is equipped with the corresponding bolt hole in position, in use, first clamping plate and second clamping plate are fixed on burnt gas valve by screw bolt and nut
Spanner b on (spanner of burnt gas valve is accommodated between first clamping plate and second clamping plate)；One is provided in first clamping plate
Bolt 2-3 is threaded, which is equipped with threading via hole 2-31；When installation, first by drive component 1 and spanner fixation kit
2 are respectively and fixedly installed on the spanner b of gas pipeline a and burnt gas valve that (when installation, the spanner b of burnt gas valve is in open shape
State), the threading via hole of the threading bolt of spanner fixation kit is penetrated after then pulling out the cable 4 on the reel of drive component
In 2-31, then tighten threading bolt, you can realize cable 4 and thread the fixation of bolt 2-3, to realize reel 1-4 with
Cable connection between spanner fixation kit 2；The cable 3 is preferably steel wire rope.
The microcontroller of the gas lockout valve device is connect with the master controller, by master controller to microcontroller
Device sends signal, to control the motor action of gas lockout valve device.
The operation logic of this system is as follows：
By combustable gas concentration sensor and PM2.5 concentration sensors detect respectively the concentration of fuel gas in kitchen with
And oil smoke concentration, and detection signal is sent to master controller, after master controller processing, by the concentration value and oil of fuel gas
Smoke density value signal is sent to display screen, to show the concentration value and oil smoke concentration value of fuel gas；When master controller judges
When the concentration of the fuel gas detected is more than the secure threshold of setting and when PM2.5 concentration is more than the secure threshold of setting,
Then master controller sends signal to buzzer, and buzzer is made to send out buzzing alarm；Master controller can also be sent to display screen simultaneously
Coherent signal makes display screen display alarm information.
In addition, when master controller judges that the concentration of detected fuel gas is more than the secure threshold of setting, main control
Device can also send to the microcontroller of gas lockout valve device and close valve signal, and microcontroller drives electricity after receiving the signal
Machine 1-3 actions, motor 1-3 drive reel 1-4 to rotate synchronously, and reel 1-4 is pulled to the spanner b of burnt gas valve by cable
Reel just triggers limit switch 1-5 (referring to Fig. 6) after the spanner b of burnt gas valve is closed in place, and microcontroller receives
After the limit signal sent to limit switch 1-5, control motor stops.
In addition, when master controller judges that the concentration of detected fuel gas is more than the secure threshold of setting, main control
Device controls electric window-opening device and starts, and opens the window, to prevent poisoning or explosion danger occurs.
Master controller can connect mobile terminal (mobile phone) by GPRS communication networks, be detected when master controller judgement
When the concentration of fuel gas is more than the secure threshold of setting, master controller can send warning message to mobile terminal (mobile phone), carry
Awake user has gas leakage.Mobile terminal (mobile phone) also can to master controller send closing gas valve door control instruction with
And the control instruction that control electric window-opening device starts, closes.
Further, it is that STMicw Electronics (ST) company produces that the master controller, which uses STM32F103, the chip,
Kernel is Cortex-M3.The size of Flash can be divided into three categories in the family chip press piece：Low capacity (16K and 32K), middle appearance
Measure (64K and 128K), large capacity (256K, 384K and 512K).Integrated chip timer, CAN, ADC, SPI, I2C, USB,
UART, etc. multiple functions.
Further, the electric window-opening device is chain type electric window opener or push-down electric window-opening device.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (10)
1. a kind of kitchen environment safety monitoring system based on Internet of Things, it is characterised in that：It is dense including master controller, fuel gas
It spends sensor, PM2.5 concentration sensors, gas lockout valve device, display screen, electric window-opening device, buzzer, GPRS and communicates mould
Block and motor-drive circuit,
The combustable gas concentration sensor and PM2.5 concentration sensors are separately connected master controller, combustable gas concentration sensing
Device is used to detect the concentration of fuel gas in kitchen, and PM2.5 concentration sensors are used to detect the oil smoke concentration in kitchen；The master
Controller connects the electric window-opening device by motor-drive circuit；The master controller connects GPRS communication module, passes through
GPRS communication module carries out remote signal transmission；The display screen connects master controller, for showing PM2.5 concentration values, flammable
Gas concentration value；The buzzer connects master controller, for sending out buzzing alarm；
The gas lockout valve device, including the drive component that is fixed on gas pipeline and it is fixed on burnt gas valve
Spanner fixation kit on spanner；
The driving component includes the first fixture block and the second fixture block, is provided with and gas pipeline phase on the first fixture block and the second fixture block
The interior concave arc of cooperation is provided with the corresponding bolt hole in position on the first fixture block and the second fixture block, by screw bolt and nut by the
One fixture block and the second fixture block are fixed on gas pipeline；It is fixedly installed motor on the first fixture block, consolidates on the output shaft of motor
One reel is set surely, cable is provided on reel；It is additionally provided with limit switch on the first fixture block, when pulling for burnt gas valve
Hand can contact after being closed in place with the limit switch；It is also associated with drive control device, the driving control in the first fixture block lower end
Device processed includes that microcontroller, motor drive module, voltage transformation module and AC-DC conversion module, microcontroller are driven by motor
Dynamic model block connects the motor；Microcontroller is connect with limit switch, to receive the switching signal of limit switch, judges whether to fire
The spanner of air valve is closed in place；The ac input end of AC-DC conversion module connects mains-supplied plug, AC-DC conversion mould
The DC output end of block connects voltage transformation module, and voltage transformation module connection microcontroller and motor drive module supply for it
Electricity；
The spanner fixation kit includes first clamping plate and second clamping plate, and position correspondence is provided in first clamping plate and second clamping plate
Bolt hole, first clamping plate and second clamping plate are fixed on the spanner of burnt gas valve by screw bolt and nut；In first clamping plate
On be provided with a threading bolt, the threading bolt be equipped with threading via hole；After cable on the reel of drive component is pulled out
It penetrates in the threading via hole of threading bolt of spanner fixation kit, tightens threading bolt, realize cable and thread the fixation of bolt；
The microcontroller of the gas lockout valve device is connect with the master controller, is sent out to microcontroller by master controller
The number of delivering letters, to control the motor action of gas lockout valve device.
2. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 1, it is characterised in that：Combustion gas
The motor of valve door closing device is mounted by means of bolts on the first fixture block.
3. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 1, it is characterised in that：Coiling
Wheel inner wall is provided with keyway, and key is provided on the output shaft of motor, by the cooperation of keyway and key, realizes that reel fixes peace
On the output shaft of motor.
4. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 1, it is characterised in that：It is described
Cable is steel wire rope.
5. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 1, it is characterised in that：It is described
Master controller uses STM32F103.
6. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 1, it is characterised in that：It is described
Electric window-opening device is chain type electric window opener.
7. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 1, it is characterised in that：It is described
Electric window-opening device is push-down electric window-opening device.
8. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 1, it is characterised in that：Master control
Device processed connects mobile terminal by GPRS communication networks.
9. a kind of kitchen environment safety monitoring system based on Internet of Things according to claim 8, it is characterised in that：It is mobile
Terminal is mobile phone.
10. the monitoring method of the kitchen environment safety monitoring system according to claim 1 based on Internet of Things, feature exist
In：
Detect the concentration and oil of fuel gas in kitchen respectively by combustable gas concentration sensor and PM2.5 concentration sensors
Smoke density, and detection signal is sent to master controller, it is after master controller processing, the concentration value of fuel gas and oil smoke is dense
Angle value signal is sent to display screen, to show the concentration value and oil smoke concentration value of fuel gas；When master controller judgement is examined
When the concentration of the fuel gas of survey is more than the secure threshold of setting and when PM2.5 concentration is more than the secure threshold of setting, then lead
Controller sends signal to buzzer, and buzzer is made to send out buzzing alarm；Master controller can also be sent related to display screen simultaneously
Signal makes display screen display alarm information；
When master controller judges that the concentration of detected fuel gas is more than the secure threshold of setting, master controller can be to combustion gas
The microcontroller of valve door closing device, which is sent, closes valve signal, and microcontroller drives motor action, motor after receiving the signal
Reel is driven to rotate synchronously, the spanner of burnt gas valve is pulled to reel by reel by cable, when the spanner of burnt gas valve
After being closed in place, limit switch is just triggered, after microcontroller receives the limit signal of limit switch transmission, controls motor
Stop；
When master controller judges that the concentration of detected fuel gas is more than the secure threshold of setting, main controller controls are electronic
Window opener starts, and opens the window；
Master controller can connect mobile terminal by GPRS communication networks, when master controller judges detected fuel gas
When concentration is more than the secure threshold of setting, master controller can send warning message to mobile terminal, and user is reminded to have combustion gas to let out
Leakage.Mobile terminal also can to master controller send closing gas valve door control instruction and control electric window-opening device start,
The control instruction of closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810367879.1A CN108319209B (en) | 2018-04-23 | Kitchen environment safety monitoring system and method based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810367879.1A CN108319209B (en) | 2018-04-23 | Kitchen environment safety monitoring system and method based on Internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108319209A true CN108319209A (en) | 2018-07-24 |
| CN108319209B CN108319209B (en) | 2024-06-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581940A (en) * | 2019-01-18 | 2019-04-05 | 洛阳师范学院 | A kind of application method of kitchen anti-explosion safety control device |
| CN109967926A (en) * | 2019-04-09 | 2019-07-05 | 中国矿业大学(北京) | A kind of welder of the real-time combustible gas intelligent monitoring function of band |
| CN110671530A (en) * | 2019-09-17 | 2020-01-10 | 惠州市工藤智能技术有限公司 | Intelligent pipeline valve control method and system |
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| CN110671530B (en) * | 2019-09-17 | 2021-11-09 | 惠州市工藤智能技术有限公司 | Intelligent pipeline valve control method and system |
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