CN100552304C - The intelligent controller of gas-cooker - Google Patents
The intelligent controller of gas-cooker Download PDFInfo
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- CN100552304C CN100552304C CNB2007100342367A CN200710034236A CN100552304C CN 100552304 C CN100552304 C CN 100552304C CN B2007100342367 A CNB2007100342367 A CN B2007100342367A CN 200710034236 A CN200710034236 A CN 200710034236A CN 100552304 C CN100552304 C CN 100552304C
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Abstract
A kind of intelligent controller of gas-cooker comprises that thermocouple temperature sensor, operational amplifier, A/D converter, microprocessor, keyboard-display circuit, ignition, two magnetic valves are electrically connected to form.Magnetic valve is mounted on the air inlet of stove, and its effect is the flow of control combustion gas.By thermocouple temperature sensor the temperature signal that measures is delivered to calculation amplifier far away and amplify, carry out the temperature-compensating correction, signal is delivered to microprocessor again and is handled after A/D converter converts data signal to.By the control program control ignition, keyboard-display circuit, the A/D converter that are organized in the microprocessor, and receive the data that A/D converter, keyboard-display circuit are sent simultaneously.Ignition opens or turn-offs magnetic valve under the control of microprocessor, thereby the flow of control combustion gas air inlet is realized the self-regulating function of flame.Automatically transfer the fire control temperature, alleviate operator's labour intensity, processing ease, safe and reliable, be suitable on gas-cooker, doing controller and use.
Description
Technical field
The present invention relates to a kind of intelligent controller that has by electric device control combustion system, particularly gas-cooker.
Background technology
At present, the employed gas-cooker of people does not have automaton, therefore, cook, stew or when boiling water, people need attention frequently to observe, and when cooking, are easy to overdo, burn, boiling water or during stew, do not note then can burning brokenly easily cooker, liquid slightly and overflow phenomenons such as flooding the fire extinguishing flame, serious meeting causes the generation of security incident, brings very big inconvenience to people.
According to existing patented technology, temperature sensor is installed in the side of the top gas burner of stove mostly, and adopts semiconductor temperature sensor (as patent CN02254766.5) mostly.So just have and have following deficiency:
1, temperature sensor is installed in the side of the top gas burner of stove.Such structure has not attractive in appearance, and difficulty is installed, shortcomings such as cleaning difficulty.And temperature sensor is abutted against and touches cooker and measure temperature, and such structure is difficult to contact cooker, causes thermometric inaccurate.
2, semiconductor temperature sensor has the temperature error of measurement big, and reaction is slow, and service life is short, and energy measurement high temperature does not cause shortcomings such as device aging easily than higher temperature in measurement.
Summary of the invention
The purpose of this invention is to provide a kind of thermocouple survey ignition temperature and igniter of adopting and handle the intelligent controller that two magnetic valves open or close the gas-cooker of controlling gas-cooker big fire, little fire and cutting out.Realize control automatically during to the cooker cooking foods such as pressure cooker that on gas kitchen ranges, use.
The present invention realizes with following scheme:
The intelligent controller of gas-cooker is by thermocouple temperature sensor, operational amplifier, A/D converter, microprocessor, keyboard-display circuit, ignition, magnetic valve constitutes, magnetic valve is mounted on the gas inlet of burner for gas stove, the thermocouple of thermocouple temperature sensor is contained on the burning jamb of burner for gas stove, thermocouple is delivered to operational amplifier with the temperature signal that measures and is amplified, the simultaneous temperature compensating circuit is sent the environment temperature of measuring into operational amplifier and is carried out the temperature-compensating correction, the temperature signal that amplifies is again after A/D converter converts data signal to, delivering to microprocessor is handled by the control program that is organized in microprocessor, microprocessor electrically connects ignition, keyboard-display circuit, A/D converter, microprocessor receives A/D converter simultaneously, the data that keyboard-display circuit transmits, under the control of microprocessor, ignition is handled and to be opened or closed first magnetic valve and second magnetic valve or one of them.
The present invention can also realize with following scheme.
The intelligent controller of foregoing gas-cooker, it is as follows that the each several part circuit constitutes division:
1. thermocouple temperature sensor electrically connects the temperature-compensation circuit that resistance R 5, resistance R 6 and IC 5 form by thermocouple and constitutes;
2. operational amplifier electrically connects resistance R 1 and resistance R 2 by IC 1;
3. A/D converter is made of IC 2;
4. microprocessor electrically connects the reset circuit that resistance R 3, capacitor C 3 form by IC 3 and electrically connects the time base circuit that capacitor C 1, capacitor C 2 and crystal oscillator Y1 form and constitutes;
5. keyboard-display circuit by IC 4 electrically connect key switch S1 to S12, charactron LED respectively, the reset circuit of being made up of resistance R 4, capacitor C 4 and the time base circuit of being made up of capacitor C 5, capacitor C 6, crystal oscillator Y2 constitute.
The intelligent controller of foregoing gas-cooker, key switch branch have function selecting key and time to increase key.
The intelligent controller of foregoing gas-cooker, key switch S1 to S5 is a function selecting key, be set with heat time heating time and heating-up temperature limit value, key switch S6 to S10 is that function key is only set the heating-up temperature restriction, and key switch S11 and S12 increase key the time of heating setpoint time.
The intelligent controller of foregoing gas-cooker, worked out control program in the microprocessor, the temperature signal that thermocouple temperature sensor is detected carries out the data processing, realize human-computer dialogue by keyboard-display circuit, executing agency controls to ignition, realizes opening or closing and the firepower adjusting combustion gas.
The present invention has adopted thermocouple as temperature sensor, have and measure that temperature is fast, measurement category is wide, certainty of measurement is high, advantage such as not fragile, adopt microcomputer precise control, reliable, safety, with two solenoid control fuel gas inlets, can light a fire or automatically adjust with flame-out by very easy heap burner with big fire or with little fire, can accurately control the insulation of heat food and food, operation is automatically carried out, alleviated cooked food and seen fire, the labour intensity of Artificial Control time is provided with the multiple function that boils, processing ease, safe and reliable.It is suitable for doing controller and uses on gas kitchen ranges.
Description of drawings
Fig. 1 is the controlling party block diagram of the intelligent controller of gas-cooker;
Fig. 2 is the control circuit figure of the intelligent controller of gas-cooker.
The specific embodiment
Be described in further detail below in conjunction with the intelligent controller of accompanying drawing this gas-cooker.
The intelligent controller of gas-cooker is by thermocouple temperature sensor 1, operational amplifier 2, A/D converter 3, microprocessor 4, keyboard-display circuit 5, ignition 6, first magnetic valve 7 and second magnetic valve 8 electrically connect formation, first magnetic valve 7 and second magnetic valve 8 are mounted on the air inlet gas port of burner for gas stove, its effect is the flow of control combustion gas, the thermocouple of thermocouple temperature sensor 1 is contained on the burning jamb of burner for gas stove, thermocouple is delivered to operational amplifier 2 with the temperature signal that measures and is amplified, simultaneous temperature compensating circuit 9 is sent the environment temperature of measuring into operational amplifier 2 and is carried out the temperature-compensating correction, the temperature signal that amplifies is again after A/D converter 3 converts data signal to, delivering to microprocessor 4 handles, microprocessor 4 electrically connects ignition 6, keyboard-display circuit 5, A/D converter 3, microprocessor 4 receives A/D converter 3 simultaneously, the data that keyboard-display circuit 5 transmits, ignition 6 electrically connects first magnetic valve 7 and second magnetic valve 8.Under the control of microprocessor 4, ignition 6 is handled and is opened or closed two magnetic valves or one of them magnetic valve.
Thermocouple temperature sensor 1 electrically connects the temperature-compensation circuit 9 that resistance R 5, resistance R 6 and IC 5 are formed by thermocouple.
Operational amplifier 2 electrically connects resistance R 1 and resistance R 2 by IC 1.
A/D converter 3 is made of IC 2.
Keyboard-display circuit 5 by IC 4 keyboard numbers retouch that display driver ZLG7289 electrically connects key switch (S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11 and S12), charactron LED respectively, the reset circuit of forming by resistance R 4, capacitor C 4 and the time base circuit of forming by capacitor C 5, capacitor C 6, crystal oscillator Y2.
Key switch S1 to S5 is a function selecting key, in be set with heat time heating time and heating-up temperature limit value.Key switch S6 to S10 is that function key is only set the heating-up temperature restriction, and key switch S11 and S12 increase key the time of heat time heating time.
Signal flow of the present invention is: as shown in Figure 1, the present invention controls complete machine work by the fixed routine that writes on 4 li of microprocessors.Initially power on, the temperature sensor 1 that is installed on the stove is delivered to operational amplifier 2 amplifications with the temperature signal that measures, and the temperature signal of amplification is delivered to microprocessor 4 again and handled after A/D converter 3 converts data signal to.Initially power on, whether microprocessor 4 continuous inquiry keyboard display circuits 5 have key to press, and no key is by next wait, there is key to send the key assignments of being pressed here by keyboard-display circuit 5 by next, after microprocessor 4 is read this key assignments, call the subprogram of this key, and send three road signals simultaneously.One road signal is delivered to keyboard-display circuit 5 display working conditions, and another road signal is delivered to ignition 6, and ignition 6 is opened first magnetic valve 7 and second magnetic valve 8, and combustion gas is connected, flame ignition, work beginning.Also have one road signal to deliver to A/D converter 3 and start the A/D conversion.In the work, microprocessor 4 is constantly inquired about the new data that A/D converter 3 and keyboard-display circuit 5 are sent here, and microprocessor 4 is constantly processed processing with these data, and constantly sends new data to keyboard-display circuit 5, realizes refreshing the purpose of demonstration.Microprocessor 4 sends to ignition 6 with result, ignition 6 opens or closes first magnetic valve 7 and second magnetic valve 8 according to the result of microprocessor 4, the flow of control combustion gas, thus realize the switching of large and small fire or close the purpose that realization is controlled automatically.
As shown in Figure 1, the present invention is flow and the break-make that first magnetic valve 7 by being installed in air inlet pipe and second magnetic valve 8 are controlled combustion gas.Open this controller, microprocessor 4 work are also waited for and are sent work order.Select task by keyboard-display circuit 5, and can select the required working time by keyboard-display circuit 5.After microprocessor 4 detected series of instructions, a circuit-switched data was delivered to keyboard-display circuit 5 and is shown, realizes interactive purpose.Another circuit-switched data is delivered to ignition 6, and ignition 6 opens first magnetic valve 7 and second magnetic valve 8 carries out ignition process.Microprocessor 4 starts A/D converter 3 work simultaneously.
This controller is by the thermocouple temperature sensor 1 that is installed on the stove temperature signal that measures to be delivered to operational amplifier 2 amplifications, and the temperature signal of amplification is delivered to microprocessor 4 again and handled after A/D converter 3 converts data signal to.
In the work, the measures ambient temperature that temperature-compensation circuit 9 does not stop compensates and corrects for thermocouple temperature sensor 1, microprocessor 4 constantly detects the temperature parameter that A/D converter 3 is sent here, and according to the user by the given task of keyboard-display circuit 5, its different task has different working procedures, and different setup parameters is also arranged.When microprocessor 4 detects temperature and reaches the parameter that sets in the task, microprocessor 4 sends control instruction corresponding, one the tunnel gives keyboard-display circuit 5 carries out the duty demonstration, another road control ignition 6, first magnetic valve 7, second magnetic valve 8 are opened or turn-offed to the control instruction that ignition 6 is sent here according to microprocessor 4.And first magnetic valve 7, second magnetic valve 8 can be opened separately or be turn-offed under the control of microprocessor 4, do corresponding flame adjustment processing, thereby reach the purpose of Automatic Control.
Shown in Figure 2 as Fig. 1, the effect of first magnetic valve 7 is the large and small fire control to the combustion flame of burner, and the effect of second magnetic valve 8 is to close and open flame.Two magnetic valves are opened for big fire simultaneously, and first magnetic valve 7 cuts out second magnetic valve 8 and is opened for little fire, and second magnetic valve 8 cuts out to flame and cuts out.Closing and opening of two magnetic valves is that its control end is connected with ignition 6 by ignition 6 controls, and its valve body is connected with gas pipeline.The input control end of ignition 6 is connected with microprocessor 4, and its output control terminal is connected with second magnetic valve 8 with first magnetic valve 7.VCC is a positive supply, and GND is power supply ground.S1 ~ S12 is 12 key switches.Its effect of key switch S1 ~ S12 mainly is to be used for function selection and time adjusting, each keypress function is: the key switch S1 function that boils water, key switch S2 pressure cooker cooking rice function, key switch S3 pressure cooker steams, boil, stew function, key switch S4 ordinary pan cooking rice function, key switch S5 ordinary pan steams, boil, stew function, key switch S6 heat insulation function, key switch S7 fries in shallow oil, fried, fry function, key switch S8 ~ S10 is for frying in shallow oil, fried, the stir-fry temperature is selected, key switch S11, S12 selects (to enter in the duty working time, system has all stored a default time on each gear, press key switch S11 and key switch S12 can revise this time, key switch S11 and key switch S12 can not use separately and can only cooperate key switch S1 to S10 to use, and key switch S1 to S10 will have key to press, and key switch S11 and key switch S12 could use).
This controller at work, the measurement temperature that the IC5 of thermocouple temperature sensor 1 does not stop, IC5 converts the environment temperature that measures to voltage signal, deliver to operational amplifier 2 behind the signal plus that this voltage signal measures by resistance R 5, resistance R 6 dividing potential drops and thermocouple, thereby play the temperature-compensating correcting action.This controller is by being organized in the fixed routine of 4 li of microprocessors, coordinates complete machine work.Connect power supply, system initialization.If no any function circuit cuts out, enter guard mode and wait for user's operational order simultaneously in 30 seconds, if there is operational order to arrive, circuit is opened, and enters duty.Press certain button of key switch S1～S12, IC 4 has detected key and has pressed, and judges it is which key is pressed.IC 4 sends the key assignments (setting heat time heating time and temperature limit) of its button and gives microprocessor 4, and the data that microprocessor 4 is sent here according to IC 4 are called corresponding key and handled subprogram.Microprocessor 4 sends data to IC 4 simultaneously, and IC 4 drives the data that charactron shows this key.This moment, microprocessor 4 sent firing command to ignition 6, and ignition 6 is opened first magnetic valve 7 and second magnetic valve 8, carries out ignition process.Meanwhile microprocessor 4 starts A/D converter 3 and carries out analog-to-digital conversion.Thermocouple temperature sensor 1 constantly detects the mixing temperature from food and cooker, detected temperature signal is delivered to operational amplifier 2 amplify, and the temperature signal of amplification is delivered to A/D converter 3 again and carried out analog-to-digital conversion.Microprocessor 4 is by constantly reading the data that A/D converter 3 is sent here, when the numerical value of A/D converter 3 reaches setting numerical value, microprocessor 4 judges whether to send instruction to ignition 6 according to plug-in, after ignition 6 is received the control instruction of microprocessor 4, make the flame processing that diminishes, turn-off first magnetic valve 7; Perhaps do to close fire and handle, cut off, turn-off first magnetic valve 7 and second magnetic valve 8 to the gas circuit of burner for combustion gas.When doing flame treatment, constantly upgrade the video data of IC4.The continuous analysis and judgement of system at work, if user's misoperation, system judges affirmation by analysis, carries out shutdown command, enters guard mode.
Embodiment one, uses the pressure cooker cooking rice.Open this controller, connect power supply, system initialization.The switch S that pushes button 2 pressure cooker cooking rice function keys, IC 4 inquires key switch S2 and presses, sends the IC 3 of the key assignments of key switch S2 to microprocessor 4 immediately, and IC 3 calls the cooking rice function subprogram.IC 3 returns data and gives IC 4, and the data-driven charactron LED that IC 4 is sent here according to IC 3 shows the 12 minutes needed time of cooking rice.Meanwhile IC 3 sends firing command to ignition 6, and ignition 6 is opened first magnetic valve 7 and second magnetic valve 8, and combustion gas flows to burner, flame ignition from the pipeline process of magnetic valve.IC 3 sends the instruction that starts A/D converter 3 simultaneously.Thermocouple temperature sensor 1 is the situation of change of the mixing temperature of pressure cooker and food, after delivering to operational amplifier 2 and amplifying, delivers to A/D converter 3 again and carries out analog-to-digital conversion.Microprocessor 4 is handled judgement by reading the data situation of A/D converter 3 to data, sends control instruction and coordinates complete machine work.When temperature reaches certain value (be on the pressure cooker gas time, be about 125 ℃), IC 3 sends an instruction to ignition 6, and ignition 6 is closed first magnetic valve 7, the flame fire that diminishes.While IC 3 internal timers startup, after the timer meter was reach 1 minute, IC 3 sent data to IC 4, and IC 4 driving charactrons demonstrations 12 subtract 1 and equal 11, reach 12 minutes up to the timer meter, and charactron is shown as 0.IC 3 is ceaselessly inquired about the new data of IC 2, i.e. temperature variations in timing course.When temperature is elevated to above the setting limit value (about 150 ℃), IC 3 sends an instruction to ignition 6, ignition 6 is closed second magnetic valve 8, flammule extinguishes and stops heating, when temperature dropped to a setting value (being lower than 150 ℃), second magnetic valve 8 was opened little fire and is rekindled the continuation heating.So circulation is reach 10 minutes up to the timer meter, regularly finishes.After regularly finishing, IC3 sends an instruction and closes second magnetic valve 8 to ignition 6, fray-out of flame, and work is finished.Send sound and light signal, promptly enter the automatic heat preserving state this moment, when detecting temperature, IC 3 drops to insulation during preset lower limit, IC 3 sends an instruction and opens first magnetic valve 7 and second magnetic valve 8 to ignition 6, flame ignition heating beginning, when temperature was elevated to insulation capping value, IC 3 sent an instruction and closes first magnetic valve 7 and second magnetic valve 8 to ignition 6.So circulation is until power-off.
Embodiment two, boil water: open this controller, connect power supply, system initialization.The switch S that pushes button 1 function key that boils water, IC 4 inquires key switch S1 and presses, sends the IC 3 of the key assignments of key switch S1 to microprocessor 4 immediately, and IC 3 calls the function subprogram that boils water.IC 3 sends firing command to ignition 6 simultaneously, and ignition 6 is opened first magnetic valve 7 and second magnetic valve 8, flame ignition.IC 3 sends the instruction that starts A/D converter 3 simultaneously.Thermocouple temperature sensor 1 is the situation of change of water temperature, after delivering to operational amplifier 2 and amplifying, delivers to A/D converter 3 again and carries out analog-to-digital conversion.Microprocessor 4 is handled judgement by reading the data situation of A/D converter 3 to data, coordinates complete machine work.When temperature rose to 100 ℃, IC 3 sent an instruction to ignition 6, and ignition 6 is closed first magnetic valve 7 and second magnetic valve 8, and sound and light signal is sent in fray-out of flame simultaneously, and work is finished.
Embodiment three, with pressure cooker steam, boil, stew: open this controller, connect power supply, system initialization.The switch S that pushes button 3 pressure cookers steam, boil, stew function key, IC 4 inquires key switch S3 and presses, send the IC 3 of the key assignments of key switch S3 to microprocessor 4 immediately, IC 3 calls pressure cooker and steams, boils, stewes the function key subprogram.IC 3 returns the IC 4 that data are given keyboard-display circuit 5, and the data-driven charactron LED that IC 4 is sent here according to IC 3 shows the 10 minutes time of needs that this work is given tacit consent to.Also can set required time by key switch S11, S12.Meanwhile IC 3 sends firing command to ignition 6, and ignition 6 is opened first magnetic valve 7 and second magnetic valve 8, flame ignition.IC 3 sends the instruction that starts A/D converter 3 simultaneously.Thermocouple temperature sensor 1 is the variable signal of the mixing temperature of pressure cooker and food, after delivering to operational amplifier 2 and amplifying, delivers to A/D converter 3 again and carries out analog-to-digital conversion.Microprocessor 4 is handled judgement by reading the data situation of A/D converter 3 to data, sends control instruction, coordinates complete machine work.When temperature reaches certain value (be on the pressure cooker gas time, about 125 ℃), IC 3 sends an instruction to ignition 6, and ignition 6 is closed first magnetic valve 7, and flame diminishes.While IC 3 internal timers startup, after the timer meter was reach 1 minute, IC 3 sent data to IC 4, and IC 4 driving charactrons demonstrations 10 subtract 1 and equal 9, reach 10 minutes up to the timer meter, and charactron is shown as 0.IC 3 is ceaselessly inquired about the new data of IC 2, i.e. temperature variations in timing course.When temperature is elevated to a setting value, about 150 ℃, IC 3 sends an instruction to ignition 6, ignition 6 is closed second magnetic valve 8, fray-out of flame stops heating, when temperature drops to a setting value, be lower than 150 ℃, second magnetic valve 8 is opened little fire and is rekindled the continuation heating.So circulation is reach 10 minutes up to the timer meter, regularly finishes.After regularly finishing, IC 3 sends an instruction and closes second magnetic valve 8 to ignition 6, and fray-out of flame work is finished.Promptly enter the automatic heat preserving state this moment, when detecting temperature, IC 3 drops to insulation during preset lower limit, IC 3 sends an instruction and opens first magnetic valve 7 and second magnetic valve 8 to ignition 6, flame ignition heating beginning, when temperature was elevated to insulation capping value, IC 3 sent an instruction and closes first magnetic valve 7 and second magnetic valve 8 to ignition 6.So circulation is until power-off.
The function of 12 key switch S1 to S12 in the keyboard and preset heat time heating time and the limiting temperature briefing:
The key switch S1 function that boils water does not limit heat time heating time, and temperature limit is 100 ℃, reaches temperature limit and closes magnetic valve, closes fire.
Key switch S2 pressure cooker cooking rice function is provided with 12 minutes heat time heating times, closes magnetic valve 7 fire that diminishes when being heated to 125 ℃, and little fire is maintained to regularly and finishes.When little fire is kept state, when temperature surpasses 150 ℃, two closed electromagnetic valves, when being lower than 150 ℃, magnetic valve is opened, and lights little fire.
Key switch S3 pressure cooker steams, boils, stewes function, and be set heat time heating time is 10 minutes, and other is stipulated with key switch S2 key.
Key switch S4 ordinary pan cooking rice function is set 22 minutes heat time heating times, and fire diminishes during 100 ℃ of heating-up temperatures.After finishing, timing closes two magnetic valves.
Function is stewed in the boiling of key switch S5 ordinary pan, sets 10 minutes heat time heating times, and fire diminishes during 100 ℃ of heating-up temperatures.Miscellaneous stipulations are with key switch S4 key.
Key switch S6 insulation key function, limit no heat time heating time, and directly keeping warm mode closes fire when heating-up temperature is higher than 75 ℃, opens flame when being lower than 65 ℃, is the big fire insulation.
Key switch S7 fries in shallow oil, explodes, fries the temperature handoff functionality, and limit no heat time heating time, the heating-up temperature limit value, and heating-up temperature is restricted to 140 ℃, and heating-up temperature is higher than 140 ℃ and closes fire, is lower than 140 ℃ and opens fire, and has only big fire.
Key switch S8 fries in shallow oil, explodes, fries the temperature handoff functionality, and limit no heat time heating time, and the heating-up temperature limit value is 160 ℃, and all the other are stipulated with key switch S7.
Key switch S9 fries in shallow oil, explodes, fries the temperature handoff functionality, and limit no heat time heating time, and the heating-up temperature limit value is 180 ℃, and all the other are stipulated with key switch S7.
Key switch S10 fries in shallow oil, explodes, fries the temperature handoff functionality, and limit no heat time heating time, and the heating-up temperature limit value is 200 ℃, and all the other are stipulated with key switch S7.
The time of key switch S11 heat time heating time increases function, key switch S11 whenever by next time, increases progressively one minute heat time heating time, and key switch S11 cooperates key switch S1 to S5 to use, have only the arbitrary button of key switch S1 to S5 to press, key switch S11 just has the effect that increases heat time heating time.S6 to S10 is inoperative to key switch.
The time of key switch S12 heat time heating time increases function, and key switch S12 whenever by next time, increases progressively 10 minutes heat time heating time, and all the other are stipulated with key switch S11.
In the work, button has maloperation that acousto-optic hint is all arranged, and carries out safeguard protection.
Claims (5)
1, a kind of intelligent controller of gas-cooker, it is characterized in that by thermocouple temperature sensor (1), operational amplifier (2), A/D converter (3), microprocessor (4), keyboard-display circuit (5), ignition (6), first magnetic valve (7) and second magnetic valve (8) electrically connect formation, first magnetic valve (7) and second magnetic valve (8) are mounted on the gas inlet of burner for gas stove, the thermocouple of thermocouple temperature sensor (1) is contained on the burning jamb of burner for gas stove, thermocouple is delivered to operational amplifier (2) with the temperature signal that measures and is amplified, simultaneous temperature compensating circuit (9) is sent the environment temperature of measuring into operational amplifier (2) and is carried out the temperature-compensating correction, the temperature signal that amplifies is again after A/D converter (3) converts data signal to, delivering to microprocessor (4) is handled by the control program that is organized in microprocessor (4), microprocessor (4) electrically connects ignition (6), keyboard-display circuit (5), A/D converter (3), microprocessor (4) receives A/D converter (3) simultaneously, the data that keyboard-display circuit (5) transmits, under the control of microprocessor (4), ignition (6) is handled and to be opened or closed first magnetic valve (7) and second magnetic valve (8) or one of them.
2, the intelligent controller of gas-cooker according to claim 1 is characterized in that being that the circuit formation division of each several part is as follows:
1. thermocouple temperature sensor (1) electrically connects temperature-compensation circuit (9) formation that resistance R 5, resistance R 6 and IC 5 are formed by thermocouple;
2. operational amplifier (2) electrically connects resistance R 1 and resistance R 2 by IC 1;
3. A/D converter (3) is made of IC 2;
4. microprocessor (4) is electrically connected reset circuit that resistance R 3, capacitor C 3 form and is electrically connected the time base circuit that crystal oscillator Y1 forms by capacitor C 1, capacitor C 2 by IC 3 and constitutes;
5. keyboard-display circuit (5) by IC 4 electrically connect key switch S1 to S12, charactron LED respectively, the reset circuit of being made up of resistance R 4, capacitor C 4 and the time base circuit of being made up of capacitor C 5, capacitor C 6, crystal oscillator Y2 constitute.
3, the intelligent controller of gas-cooker according to claim 2 is characterized in that being that the key switch branch has function selecting key and time to increase key.
4, according to the intelligent controller of claim 2 or 3 described gas-cookers, it is characterized in that being that key switch S1 to S5 is a function selecting key, in be set with heat time heating time and heating-up temperature limit value, key switch S6 to S10 is that function key is only set the heating-up temperature restriction, and key switch S11 and S12 increase key the time of heating setpoint time.
5, the intelligent controller of gas-cooker according to claim 1, it is characterized in that being having worked out control program in the microprocessor (4), the temperature signal that thermocouple temperature sensor (1) is detected carries out the data processing, realize human-computer dialogue by keyboard-display circuit (5), executing agency controls to ignition (6), realizes opening or closing and the firepower adjusting combustion gas.
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| CN102556148A (en) * | 2010-12-08 | 2012-07-11 | 江苏罡阳动力转向器厂 | Vehicular electrically-controlled hydraulic power steering system |
| CN102889621A (en) * | 2011-07-21 | 2013-01-23 | 江南大学 | Electronic igniter with temperature compensation flameout warning function |
| CN109210581B (en) * | 2018-11-13 | 2024-01-23 | 杭州老板电器股份有限公司 | Fire control device and method of gas stove and gas stove |
| CN109631098B (en) * | 2019-01-16 | 2020-12-22 | 佛山市云米电器科技有限公司 | Control method and system for constant-temperature cooking of intelligent gas stove cooker |
| ES2847248A1 (en) * | 2020-01-30 | 2021-08-02 | Seleccion Mediterranea Fine Foods S L | Kitchen appliance (Machine-translation by Google Translate, not legally binding) |
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| US20020086254A1 (en) * | 2001-01-03 | 2002-07-04 | Wen-Chou Chen | Gas furnace control arrangement |
| CN2526701Y (en) * | 2002-01-16 | 2002-12-18 | 广东科龙电器股份有限公司 | Controller for mated gas ring and fume exhaustor |
| CN201000112Y (en) * | 2007-01-09 | 2008-01-02 | 湖南迅达集团有限公司 | Intelligent controller of gas combustion range |
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| Publication number | Publication date |
|---|---|
| CN101220969A (en) | 2008-07-16 |
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