CN105894713B - A kind of method for safety monitoring detected based on non-contact temperature - Google Patents
A kind of method for safety monitoring detected based on non-contact temperature Download PDFInfo
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- CN105894713B CN105894713B CN201610290571.2A CN201610290571A CN105894713B CN 105894713 B CN105894713 B CN 105894713B CN 201610290571 A CN201610290571 A CN 201610290571A CN 105894713 B CN105894713 B CN 105894713B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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Abstract
The invention discloses a kind of method for safety monitoring detected based on non-contact temperature, control box (1) is connected to a connector, and the end of connector is provided with infrared temperature sensor (3);Comprise the following steps:Step 1:The container that the end alignment of connector is being heated, the temperature of infrared temperature sensor detection container (9) outer wall;Step 2:The temperature value that control circuit in control box detects infrared temperature sensor is compared with default temperature value, if the temperature value that infrared temperature sensor is detected is more than default temperature value, starts alarm;User is reminded to arrive in-situ processing in time;Beaker, pot or stove of the described container for placement on the heating.This is skillfully constructed based on method for safety monitoring that non-contact temperature is detected, easy to implement, can effectively prevent the container dry combustion method such as pot or stove, sensitivity is high, safe.
Description
Technical field
The present invention relates to a kind of method for safety monitoring detected based on non-contact temperature.
Background technology
Existing supervising device for kitchen use, it is many that indoor temperature is detected using temperature sensor, and use infrared induction
Whether someone is in kitchen for device sensing, and the Chinese patent of such as Publication No. 201269558 discloses a kind of kitchen gas stove fire peace
Full informing device (application number:200820014489.8), including temperature relay RJ1, human body sensing heat releases infrared sensor, nothing
Line electricity emission system, multiple radio reception informing devices and intelligent gas valve, temperature relay RJ1 are arranged on gas-cooker
Near stove disk holder;Temperature relay RJ1 releases infrared sensor, intelligent gas valve, radio transmitting system with human body sensing heat
System and power electric connection composition gas monitor and control system;Multiple radio reception informing devices are respectively and fixedly installed to parlor, crouched
Indoor or physical activity is worn, and composition combustion gas situation, which is reminded, informs system.When for kitchen use fiery, people once leave, and are set if exceeding
Fix time, the machine will trigger radio reception informing device by the form of radio, and radio reception informing device can term
Speech prompting user is noted that, returning to kitchen until user is released by human body sensing heat untill infrared sensor detects.This
Although kind of fire security alarming apparatus of kitchen gas range is provided with temperature relay, still, this temperature relay sensitivity compared with
Difference, due to being arranged near gas-cooker stove disk holder, it is impossible to sense body of heater exactly and whether there is dry combustion method, therefore, this kitchen
The practicality of the safe informing device of gas-cooker fire is had a greatly reduced quality.
In addition, in chemical laboratory, there is also the hidden danger that the container dry combustion method such as beaker causes the accident.
Therefore, it is necessary to design a kind of higher method for safety monitoring of sensitivity.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of method for safety monitoring detected based on non-contact temperature,
This based on non-contact temperature detect method for safety monitoring be skillfully constructed, it is easy to implement, can effectively prevent the containers such as pot or stove
Dry combustion method, sensitivity is high, safe.
The technical solution of invention is as follows:
A kind of method for safety monitoring detected based on non-contact temperature, control box is connected to a connector, connector
End is provided with infrared temperature sensor;
Comprise the following steps:
Step 1:The container that the end alignment of connector is being heated, infrared temperature sensor detection container (9) outer wall
Temperature;
Step 2:The temperature value that control circuit in control box detects infrared temperature sensor and default temperature value
It is compared, if the temperature value that infrared temperature sensor is detected is more than default temperature value, starts alarm;Remind user
In-situ processing is arrived in time;
Beaker, pot or stove of the described container for placement on the heating;Heater is micro-wave oven or gas-cooker etc..
The temperature value of container outer wall when temperature preset value is dryouied for the liquid in container.
Described connector is flexible steel in flat section tubing, can freedom and the sensing of flexible modulation infrared temperature sensor.
Alarm includes being arranged in the buzzer in control box, loudspeaker and wireless alarm signal output module at least
One kind, wireless alarm signal output module is used to export wireless alarm signal to intelligent terminal, described intelligent terminal be mobile phone,
Tablet personal computer or the PC terminals or notebook computer for being linked into internet or LAN.
Described wireless alarm signal output module is in bluetooth module, WiFi module, GSM, 3G or 4G communication module
It is at least one.
When described heater is the control circuit start alarm in gas-cooker, control box, also by exporting alarm signal
The air valve of number closing control gas of gas range supply.
At least one alarm clock and the signal input apparatus for setting alarm time are provided with control box, for setting
Alarm clock.
Control box is provided with display screen, and described signal input apparatus is code switch.Display screen can touch display
Screen, then without code switch;Preferably, air valve be also controlled by alarm clock output time arriving signal (i.e. timing output letter
Number);Preferably, alarm clock and code switch are 3.
The control circuit that control box is additionally provided with combustible gas sensor, control box is examined by combustible gas sensor
When measuring combustable gas concentration more than the default density, start alarm.
Temperature preset value is any value in 140~180 DEG C;This digital scope is that the present invention applies the correspondence at kitchen
Temperature range, it is necessary to carry out after dry combustion method measure temperature preset value again during used in occasions such as chemical laboratories.Preferably,
Temperature preset value is 150 DEG C or 160 DEG C;
Described controls circuit to be analog control circuit or digital control circuit.Analog control circuit compares including simulation
Device, digital control circuit includes digital comparator, and A/D converter is also included if necessary, and digital control circuit is single-chip microcomputer, DSP
Or arm processor.
Temperature preset value is 150 DEG C or 160 DEG C;
Alarm includes buzzer, loudspeaker and wireless alarm signal output module, and wireless alarm signal output module is used
In output wireless alarm signal to intelligent terminal, described intelligent terminal is mobile phone, tablet personal computer or is linked into internet or office
The PC terminals or notebook computer of domain net;
Described wireless alarm signal output module includes bluetooth module, WiFi module, GSM, 3G or 4G communication module;
When described heater is the control circuit start alarm in gas-cooker, control box, also by exporting alarm signal
The air valve (8) of number closing control gas of gas range supply;At least provided with 3 alarm clocks and for setting during alarm clock in control box
Between 3 code switch;
Control box is provided with display screen, and air valve can also be controlled by the time arriving signal of alarm clock output;
The control circuit that control box is additionally provided with combustible gas sensor, control box is examined by combustible gas sensor
When measuring combustable gas concentration more than the default density, start alarm;Described controls circuit to be single-chip microcomputer, DSP or ARM processing
Device.
Infrared temperature sensor can also be infrared camera.
Infrared temperature sensor uses relatively inexpensive infrared temperature sensor MLX90614.
The design that the dry combustion method of the pot of the present invention judges is derived from life:During cooking, with the extension of heat time, temperature
Degree can slowly rise, but if having moisture in pot, and temperature can be less than 110 DEG C, and people will not also allow temperature liter when operating
Get Tai Gao, because after temperature is too high dish can be burnt out, and after moisture content dryouies, if without artificially closing fire cooling, temperature can be with
The extension of time and continue rise, until burn it is red or even on fire.According to this process and principle, it is only necessary to detect the temperature of pot,
Whether the length of binding time is in dry-fire condition it may determine that taking the dish out of the pot.
Conventional temperature sensor is contact, such as semiconductor temperature sensor DS18B20, thermocouple, RTD etc.
It is required for contacting sensor with testee, can just measures temperature.Although contact temperature-measuring is reliable, price is low, is used in kitchen
Room is inconvenient, because circuit part can not be used in high temperature applicationss, and circuit can not be fixed on pot.The opposing party
Face due to pot during use always in movement, temperature sensor is fixed on bowl, using wire connect circuit side
Formula is also infeasible.So the scheme of contact type temperature sensor can not be used.
Accordingly, it would be desirable to which using non-contact temperature sensor, infrared thermal imaging and infrared temperature sensor are most normal at present
Method.Usual object can all send infrared ray, when the temperature of object is higher than ambient temperature must be more when, infra-red radiation is got over
Greatly, if be filmed infrared ray using infrared camera, it is possible to see different brightness, the higher table of brightness in the picture
Temperature displaying function is higher, and this is the method that military infrared viewing device is used, the profiling temperatures that can reflect in an angular field of view,
Information is comprehensive, reliable operation, but generally price is very high, and the price of an infrared camera arrives hundreds of thousands member tens of thousands of, for
Cost consideration, is not suitable for kitchen or common laboratory is used.Infrared temperature sensor is sensed using relatively inexpensive infrared temperature
Device MLX90614, it is a general infrared measurement of temperature module.The module has been verified and linearized before dispatching from the factory, with non-
Contact, small volume, precision are high, low cost and other advantages.Measured target temperature and environment temperature can be exported by data signal, can be with
Directly and interface microcontroller, it is suitable for air conditioning for automobiles, room heater, household electrical appliance, handheld device and medical device applications etc..
During using this sensor temperature, it is desirable to which sensor must be directed at testee, the present invention is exactly to be opened from the lamp stand of desk lamp
Hair, devises a metal hose as the mounting bracket of temperature sensor.So user only needs to simple tune when in use
Whole flexible pipe, allows the bowl of temperature sensor alignment heating just can be with, because temperature sensor thermometric region is a sector region,
Just, this has been considerably improved the ease for use of this equipment to rough alignment.
In order to detect the dry-fire condition of pot, conventional many kinds of pan is tested:Frying pan, pressure cooker, common stainless steel kettle.
The detection of the temperature of pot is relevant with the position that sensor is opposite, when sensor faces the interface portion in flame and the bottom of a pan and following
When, temperature can be up to more than 260 DEG C, but if slightly up, when allowing the sensor device to face pot, temperature is under non-dry-fire condition
Not over 130 DEG C, after the water in pot dryouies, then temperature is begun to ramp up, during test, if temperature reaches 260 DEG C, pot is
It is rubescent.By repetition test, temperature sensor is directed to centre (the fireless part, temperature during discovery no dry combustion method of pot
Mostly below 100 DEG C, a few cases to not being not more than very much 120 DEG C on time) when, by dry combustion method temperature setting in 150-
180 DEG C (preferably 160 DEG C) can feasibly detect the dry combustion method of pans for use in kitchen very much, and now gas-cooker is in safe combustion shape
State, so the default value (preferred value) of temperature alarming is arranged on 160 DEG C by the present invention.The need for adapting to a small number of occasions, report
The arranges value of alert temperature has been designed to adjustable, and user can arbitrarily adjust between 0--255 DEG C, but after turning back on and will
The default value of 160 DEG C of recovery.
Beneficial effect:
The method for safety monitoring detected based on non-contact temperature of the present invention, is had the advantage that:
(1) security monitoring, can carry out full-time monitoring, equipped with fuel gas report to the safety of the occasions such as kitchen or laboratory
Alert and infrared temperature sensor, when in kitchen or laboratory fuel gas (mainly being caused by gas leakage) exceed finite concentration or
Alarm can be sent when the temperature of pot is more than 160 DEG C, the alarm signal cuts off a switch, the gas available for cut-out gas-cooker simultaneously
Source.
The central characteristics of the present invention are the thermometric patterns using infrared temperature sensor complexed metal flexible pipe, soft by metal
Pipe can adjust infrared temperature sensor alignment position, and originally by checking that furnace body outer wall temperature realizes dry combustion method report
Alert, sensitivity is high, safe.
(2) there is alarm clock function to possess three independent alarm clocks, simple to operate all using sound and light alarm mode, display
Intuitively, it is adapted to the especially suitable the elderly of family kitchen to use.
(3) smart mobile phone can be connected:It is connected by bluetooth or other wireless modes with user's smart mobile phone, timer time
To during either safety alarm all user can be reminded by mobile phone or other-end in time, scene is understood with convenient use person in time
State, it is to avoid security incident.
(4) one of alarm clock can be connected with accessory power outlet, can in alarm time then disconnecting power switch immediately,
This function is particularly practical in kitchen or laboratory.
Sum it up, temperature of the present invention using infrared Infrared Technique detection container, and sentence whether container is in
Dry-fire condition, if it is, alarm, while having gas leakage warning function;3 or 4 alarm clocks, operation letter can be set simultaneously
Single, intuitive display, the suitable family kitchen of spy and laboratory are used, and being especially suitable for the not so good the elderly of family memory makes
With.Warning message is shown on intelligent terminal by wireless technology, can easily monitor existing in the terminals such as mobile phone
The security situation of field.
In summary, this method for safety monitoring detected based on non-contact temperature is skillfully constructed, feature-rich, sensitive
Degree is high, can be safe to being monitored in real time with fiery scene.
Brief description of the drawings
Fig. 1 is the schematic diagram when safety monitoring device detected based on non-contact temperature is used.
Fig. 2 is the electric theory diagram of safety monitoring device.
Fig. 3 is main program flow chart;
Fig. 4 is timer interrupt program flow chart;
Fig. 5 is runs status routine flow chart.
Label declaration:1- control box, 2- flexible steel in flat section tubing, 3- infrared temperature sensors, 4 display screens, 5- code switch, 6-
Gas-cooker, 7- air supply pipes, 8- air valves, 9- containers.
Embodiment
The present invention is described in further details below with reference to the drawings and specific embodiments:
Embodiment 1:Such as Fig. 1 to 5, a kind of method for safety monitoring detected based on non-contact temperature, control box 1 is connected to one
Root connector, the end of connector is provided with infrared temperature sensor 3;
Comprise the following steps:
Step 1:The container that the end alignment of connector is being heated, the outer wall of infrared temperature sensor detection container 9
Temperature;
Step 2:The temperature value that control circuit in control box detects infrared temperature sensor and default temperature value
It is compared, if the temperature value that infrared temperature sensor is detected is more than default temperature value, starts alarm;Remind user
In-situ processing is arrived in time;Default temperature value is set to 160 DEG C.
Beaker, pot or stove of the described container for placement on the heating;Heater is micro-wave oven or gas-cooker etc..
The temperature value of container outer wall when temperature preset value is dryouied for the liquid in container.
Described connector is flexible steel in flat section tubing 2, can freedom and the sensing of flexible modulation infrared temperature sensor.
Alarm includes buzzer, loudspeaker and the wireless alarm signal output module being arranged in control box, no report from a liner
Alert signal output module is used to exporting wireless alarm signal to intelligent terminal, described intelligent terminal be mobile phone, tablet personal computer or
It is linked into the PC terminals or notebook computer of internet or LAN.
Described wireless alarm signal output module is bluetooth module, WiFi module, GSM, 3G or 4G communication module.
When described heater is the control circuit start alarm in gas-cooker, control box, also by exporting alarm signal
The air valve 8 of number closing control gas of gas range supply.
3 alarm clocks and the signal input apparatus for setting alarm time are provided with control box, for setting alarm clock.
Control box is provided with display screen 4, and described signal input apparatus is code switch 5.Display screen can touch to show
Display screen, then without code switch;Air valve is also controlled by the time arriving signal (i.e. timing output signal) of alarm clock output;It is preferred that
Ground, alarm clock and code switch are 3.
The control circuit that control box is additionally provided with combustible gas sensor, control box is examined by combustible gas sensor
When measuring combustable gas concentration more than the default density, start alarm.
Described controls circuit to be digital control circuit.Digital control circuit includes digital comparator, also includes if necessary
A/D converter, digital control circuit is single-chip microcomputer, DSP or arm processor.
Alarm includes buzzer, loudspeaker and wireless alarm signal output module, and wireless alarm signal output module is used
In output wireless alarm signal to intelligent terminal, described intelligent terminal is mobile phone, tablet personal computer or is linked into internet or office
The PC terminals or notebook computer of domain net;
Control box is provided with display screen, and air valve can also be controlled by the time arriving signal of alarm clock output;
The preferred model STC15F2K60S2 of circuit single-chip microcomputer is controlled, this is the monolithic of Shenzhen company design production
Machine, more many than 8051 traditional single-chip microcomputers times, but function is the same with instruction, especially supports C language to program.
On the problem of display, charactron is the display mode of the most frequently used language, and program and circuit can also be found very on the net
Many references.But numeral method content is single, this project needs the content shown more, therefore, using the liquid of dot matrix
Crystal display screen (LCD), it can show picture, Chinese character, numeral, various letters and punctuation mark under the control of single-chip microcomputer, very
Self-designed icon can extremely be shown.It is made up of controllable dot matrix, and the display or not that these are put is controlled by single-chip microcomputer
It has been shown that, preferably selects the matrix LCD of monochrome, and resolution ratio is 240*128 points.
After code switch, the setting and working condition switching of a timer only need to a code switch just can be complete
Into whole interface only needs to 4 code switch.The modification of real-time time adds a button, and this button can allow program to enter
Enter modification state.
In order to improve the practicality of timer, and make full use of the function of single-chip microcomputer, return this timer design some
Miscellaneous function:Control 1 relay, time then deenergization;Combustible gas sensor, is detecting gas leakage Times
It is alert.In order to debug conveniently, a USB interface is gone out using serial-port extension, is mainly used in downloading more new procedures, bluetooth connection mould
Block, for connecting smart mobile phone.
CPU uses STC15F2K60S2, and this is a single-chip microcomputer compatible with 8051, but has very in terms of pin and speed
Big lifting.3 rotary coding switch are used to setting the time of 3 timers and opened to be operated with being stopped to wait, another
Individual rotary encoder is used to set alarm temperature value, and relay is exported for when timing then cuts off out-put supply, to close
Some electrical equipments are closed, another relay is exported for cutting off source of the gas.USB interface is mainly used in downloading and debugging in the system
Program.Bluetooth module is connected by serial port with CPU, module communications protocol built-in in itself.Using ZYMQ-2 imflammable gas
Sensor detects the concentration of imflammable gas, sends signal to single-chip microcomputer when kitchen fuel gas has leakage, single-chip microcomputer receives this
Alarm signal is sent after individual signal, alarm signal is sent to mobile phone.
Infrared temperature sensor MLX90614 is communicated using SMBus agreements and CPU, can by environment temperature, target temperature with
Data mode is sent out, and CPU carries out data conversion and can be obtained by temperature value upon receipt.
MLX90614 SCL, PWM/SDA pin is directly connected to common I/O mouthfuls of MCU, defeated due to MLX90614
It is that drain opens a way (OD) structure, it is necessary to add pull-up resistor to enter output interface.Multiple MLX90614 can be used in a system, often
One different address of individual MLX90614 correspondences, accesses different MLX90614 by the difference of address, can at most reach 127
It is individual.
Send and receive data to carry out in units of byte, a byte is sent every time, and (step-by-step is sent, and sends 8
Position is exactly a byte), then it is judged as whether other side has response, if response, just then sends next byte;If
Do not reply, repeatedly retransmit the byte, until there is response, just then send next byte, if after repeatedly retransmitting, still do not had
There is response, just terminate.When receiving data, a byte (step-by-step is received, and it is exactly a byte to receive 8 positions) is received every time, so
An answer signal is sent to other side afterwards, next byte then can be just continued to.The data read from MLX90614 kinds
It is 16, is made up of most-significant byte (DataH) and least-significant byte (DataL) two parts, wherein the storage of address ram 07H units is
TOBJ1 data, data area is from 0x27AD to 0x7FFF, and the temperature range of expression is -70.01 DEG C to+382.19 DEG C.From
Data (the DataH read in MLX90614:DataL) it is scaled shown in temperature data (unit for DEG C) equation below:
T=(DataH:DataL)*0.02-273.15;
Software is mainly made up of 2 functions.
Uint MEM_READ (uchar slave_addR, uchar cmdR) read the RAM data of sensor internal,
In the RAM areas of sensor, the storage of address 06 has ambient temperature value, and 07H storages have target temperature value.
TEMP data are converted into temperature, for sentencing by void CALTEMP (uint TEMP) temperature transition by (formula one)
Disconnected and display.Program also includes temperature sampling filtering algorithm.
Found in actual test:Reading of the program to temperature sensor is not highly stable, and one is deviateed just sometimes
The larger temperature value of constant value occurs, it may be possible to miscommunication when reading, it is also possible to the interference of temperature sensor in itself.Solve
Method be that processing is filtered to the data of reading.The common method of filtering is repeatedly to be read, and is averaged, and number of times is got over
Many, data are more stable, but may require that longer time.By observing the actual conditions of temperature, it is found that mistake is not a lot, but often
Secondary deviation is larger, and mistake generally will not continuously occurs, then using the method for " read three times and take median ".Using
" caving area ", is read after three temperature values, three temperature values is sorted from low to high using " bubbling method ", takes the temperature of centre
Angle value is used as current actual temperature.Handled by this mode, the stable detection of temperature can be realized.
, can be with Display of Chinese characters, figure, numeral etc. using 240*128 LCD screens.The abundant letter of display content
It is clean, include the state of each timer, real-time time, kitchen temperature etc..
Timer processing
With the timer in single-chip microcomputer, an interruption is produced each second, notify main program is read current in interrupt function
Real-time clock, and according to the state of each timer, calculate remaining time or the time-out of the timer in open mode
Time, and show.
Because crystal oscillator frequency is 11.0592MHz, the toggle rate of this chip is identical with crystal oscillator frequency, and timer 1 only has
16 bits represent timing, so only about 5.9 milliseconds of maximum timing, so timer is arranged in 0.5 millisecond
It is disconnected once variable systime to be added one in interrupt routine, plus just exactly one second, then the second is indicated after 2000 times
Bsec puts 1.In addition in a program, as a result of switch of the rotary coding switch as the time of setting, in order to enter line program
Shake, to improve the reliability of operation, by verification experimental verification, every 0.5 millisecond of rotary coding switch is checked once the most rationally, behaviour
It is convenient to make to get up, so checked the state of rotary coding switch in interrupt routine, and has been stored in variable K.
Void TimeOP (void) are performed once each second in main program, are judged the state of timer and are handled display
Content.Timer is always operating at following four state:Close (state 0), operation (state 1), alarm (state 2), stopping
(state 3).Under closed mode, display shows "Off", and timer is not-time, presses and enters running status after corresponding switch;
Running status represents that the default time is not arrived in timer timing also, and display can show the remaining time, big when remaining time
When 1 minute, with " minute " for unit, during less than 1 minute, state is just transferred to " second " automatically for unit after time is up
2, or press to being transferred to after inductive switch " halted state ";Alarm condition represents that the timer default time has arrived, buzzing
Device can send audible alarm, and display shows quarter-bell symbol, while showing time-out time (in seconds), turns automatically after 30 seconds
Enter halted state, under halted state, the display that display keeps original is constant:Display " time-out 30 seconds " and quarter-bell symbol, but
Buzzer stops sending sound, and the display from closed mode is different, and to remind user that this timer time is arrived, but user does not have
Have and comprehend it, press to entering closed mode after inductive switch.
Imflammable gas is monitored
The leakage of combustion gas is detected using ZYMQ-2 combustible gas sensors, this sensor can detect liquefied gas, wine
The common imflammable gas concentration such as essence, detection range is 100-10000ppm, is exported, is alarmed as kitchen with voltage system
In use, being not required for knowing specific concentration, it is only necessary to alarm is provided when dangerous just, in order to simplify design, in biography
One-level comparator is added after sensor output, high level is exported when normal, low level, single-chip microcomputer are exported when concentration is more than 500ppm
As long as detecting this low level is issued by gas leakage alarm signal.
Bluetooth function
In family in use, often thering is food stewing in kitchen, people but takes a break in parlor, in order to be applicable this feelings
Whether condition, devises Bluetooth function, coordinate mobile phone A AP softwares, it is possible to the time of timer is checked on smart mobile phone
Arrive.The module (model SPP-CA) that a bluetooth turns serial port is employed, it can parse Bluetooth protocol, and transfer into
Turn into a transparent serial port after work(, thus single-chip microcomputer just can use Bluetooth function with serial port.
Subordinate list:Main element inventory
Claims (8)
1. a kind of method for safety monitoring detected based on non-contact temperature, it is characterised in that control box(1)It is connected to a connection
Part, the end of connector is provided with infrared temperature sensor(3);
Comprise the following steps:
Step 1:The container that the end alignment of connector is being heated, infrared temperature sensor detection container(9)The temperature of outer wall
Degree;
Step 2:The temperature value that control circuit in control box detects infrared temperature sensor is carried out with default temperature value
Compare, if the temperature value that infrared temperature sensor is detected is more than default temperature value, start alarm;Remind user timely
To in-situ processing;
Beaker, pot or stove of the described container for placement on the heating;
Described connector is flexible steel in flat section tubing(2), can freedom and the sensing of flexible modulation infrared temperature sensor;
Temperature preset value is any value in 140 ~ 180 °C.
2. the method for safety monitoring according to claim 1 detected based on non-contact temperature, it is characterised in that alarm
Including at least one of the buzzer being arranged in control box, loudspeaker and wireless alarm signal output module, radio alarming
Signal output module is used to export wireless alarm signal to intelligent terminal, and described intelligent terminal is mobile phone, tablet personal computer or connect
Enter the PC terminals or notebook computer to internet or LAN.
3. the method for safety monitoring according to claim 2 detected based on non-contact temperature, it is characterised in that described
Wireless alarm signal output module is at least one of bluetooth module, WiFi module, GSM, 3G or 4G communication module.
4. the method for safety monitoring according to claim 1 detected based on non-contact temperature, it is characterised in that described
When heater is the control circuit start alarm in gas-cooker, control box, also pass through output alarm signal closing control combustion gas
The air valve of stove gas supply(8).
5. the method for safety monitoring according to claim 1 detected based on non-contact temperature, it is characterised in that control box
At least one alarm clock and the signal input apparatus for setting alarm time are inside provided with, for setting alarm clock.
6. the method for safety monitoring according to claim 5 detected based on non-contact temperature, it is characterised in that control box
It is provided with display screen(4), described signal input apparatus is code switch(5).
7. the method for safety monitoring detected based on non-contact temperature according to claim any one of 1-6, its feature is existed
In the control circuit that control box is additionally provided with combustible gas sensor, control box is detected by combustible gas sensor
When combustable gas concentration exceedes the default density, start alarm.
8. the method for safety monitoring according to claim 1 detected based on non-contact temperature, it is characterised in that temperature
Preset value is 150 °C or 160 °C;
Alarm is included in buzzer, loudspeaker and wireless alarm signal output module, and wireless alarm signal output module is used for
Wireless alarm signal is exported to intelligent terminal, described intelligent terminal is mobile phone, tablet personal computer or is linked into internet or local
The PC terminals or notebook computer of net;
Described wireless alarm signal output module includes bluetooth module, WiFi module, GSM, 3G or 4G communication module;
When described heater is the control circuit start alarm in gas-cooker, control box, also closed by output alarm signal
Close the air valve of control gas of gas range supply(8);At least provided with 3 alarm clocks and for setting alarm time in control box
3 code switch;
Control box is provided with display screen, and air valve can also be controlled by the time arriving signal of alarm clock output;
The control circuit that control box is additionally provided with combustible gas sensor, control box is detected by combustible gas sensor
When combustable gas concentration exceedes the default density, start alarm;Described controls circuit to be single-chip microcomputer, DSP or arm processor.
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CN106996583A (en) * | 2017-05-08 | 2017-08-01 | 苏州经贸职业技术学院 | A kind of gas-cooker is intelligently anti-to dryout warning system |
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CN107367697B (en) * | 2017-08-24 | 2020-09-01 | 武汉大学 | Double-detector lithium battery surface temperature detection device and method |
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CN109140440A (en) * | 2018-10-11 | 2019-01-04 | 中山凯富电器有限公司 | A kind of vehicle-mounted burner structure with burning prevention function |
CN110927411A (en) * | 2019-10-16 | 2020-03-27 | 国网浙江省电力有限公司金华供电公司 | Auxiliary wiring device for transformer test |
KR20210085134A (en) * | 2019-12-30 | 2021-07-08 | 엘지전자 주식회사 | Wireless induction heating cooker and wireless induction heating system comprising the same |
CN112484090A (en) * | 2020-12-02 | 2021-03-12 | 中南林业科技大学 | Gas stove safety monitoring method based on intelligent judgment for dry burning prevention |
CN112484091A (en) * | 2020-12-02 | 2021-03-12 | 中南林业科技大学 | Self-adaptive intelligent gas stove safety monitoring system |
CN116839060B (en) * | 2023-09-01 | 2023-11-10 | 南京盛略科技有限公司 | Method and system for detecting combustion in furnace |
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JP4704917B2 (en) * | 2006-01-06 | 2011-06-22 | 中央電子株式会社 | Abnormal temperature detector |
CN102374529A (en) * | 2010-08-10 | 2012-03-14 | 樱花卫厨(中国)股份有限公司 | Infrared dry-combustion-preventing high-efficient furnace end |
CN102121849B (en) * | 2010-12-03 | 2012-07-25 | 中国计量学院 | Non-contact temperature measurement device for induction cooker |
CN104266233A (en) * | 2014-04-26 | 2015-01-07 | 彭萍芳 | Infrared intelligent telemetering temperature control system |
CN105551200A (en) * | 2016-02-25 | 2016-05-04 | 中南林业科技大学 | Multifunctional monitoring and alarming system for kitchen |
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