WO2004027320A1 - Cuisiniere intelligente pour combustible gazeux - Google Patents

Cuisiniere intelligente pour combustible gazeux Download PDF

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Publication number
WO2004027320A1
WO2004027320A1 PCT/CN2002/000881 CN0200881W WO2004027320A1 WO 2004027320 A1 WO2004027320 A1 WO 2004027320A1 CN 0200881 W CN0200881 W CN 0200881W WO 2004027320 A1 WO2004027320 A1 WO 2004027320A1
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WO
WIPO (PCT)
Prior art keywords
pin
resistor
button
power supply
leg
Prior art date
Application number
PCT/CN2002/000881
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English (en)
Chinese (zh)
Inventor
Li Chen
Original Assignee
Li Chen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Li Chen filed Critical Li Chen
Priority to AU2002354138A priority Critical patent/AU2002354138A1/en
Publication of WO2004027320A1 publication Critical patent/WO2004027320A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Definitions

  • the invention relates to a gas stove used in people's daily life, in particular to a smart gas stove controlled by a computer. Background technique
  • the gas stoves used by people are mainly realized by manually operating switches such as ignition, regulation of fire, and shutdown of the gas source.
  • the manually operated cooker must be under the supervision of the person in the whole process of work, otherwise it will cause problems such as burnout, charring or broth overflowing and causing the burning fire to extinguish.
  • the object of the present invention is to provide a smart gas stove which can control various functions of the gas stove through the remote control device.
  • the technical solution adopted by the invention to solve the technical problem is as follows:
  • the gas stove is provided with a pot rack, the pot rack is provided with an ignition device at the front end of the gas stove;
  • the front panel of the gas stove is provided with a control panel, a control panel
  • the surface is controlled by the keyboard, the display and the remote control receiving sensor, the inside of the control panel;
  • the computer control system is installed;
  • the temperature sensor head and the air leakage sensor are also arranged on the panel of the gas stove;
  • the principle circuit of the intelligent gas stove is based on the single chip microcomputer
  • the core controller is externally connected to the 1st part; the circuit board part, the temperature measuring part, the voice part, the air leak detection, the ignition low voltage detection, the infrared remote control receiving, the output control part, the display part, the no-pot detection part, the infrared emission part to be extended , serial interface part, functional unit of the power supply part.
  • the keyboard circuit portion by the microcontroller ICI, the buttons s 2 , s 3 , s 4 , s 5 , s 6 , s 7 , S 8 , S 9 , S 1 () , Su, S 12 , S 13 , S 14 , S 15 , S 16 , resistors R 15 , R 16 , R 17 , R 18 to make;
  • the 2 3 pin of 1 ⁇ is connected to one end of the buttons S 8 , S 7 , S 6 , S 5 , the other end of the S 8 button is connected to one end of the resistor R 18 , and the other end of R 18 is 1.
  • 26 is connected to pin 1
  • S 7 is connected to one end of the other keys of the resistor R 17, R 17 and the other end of 1.
  • 27 pin 1 is connected, is connected to another end of the resistor R S 6 keys 16, connected to the other end of R 18 and 1 ⁇ of 28 feet, is connected to one end of the S 5 keys and the other end of the resistor R 15 is, R The other end of 15 is with 1. 1 2 9 feet connected;
  • the button S 1 is a setting button, which can set the time, temperature, and selection control button;
  • the button S 2 is a time button, which can be used as a time display mode conversion and a clock and minute setting selection;
  • the button S 3 is a temperature button. It can be used as the conversion of the temperature display mode and the setting of the boiling temperature;
  • the button S 4 is the selection button, which can be used as the selection of the work type;
  • the button S 5 is the programming button, which can be used in conjunction with the setting of the timing operation.
  • the keys have 3 6 start keys, S 7 end keys, S 8 (S 12 ) confirmation keys, and Si.
  • the temperature measurement part by the microcontroller Id, the operational amplifier IC 5 , the IC 6 thermistor RF 2 , the positioner F RP 3 , resistors R 3 D , R 31 , R 32 , electrolytic capacitor C 9 , capacitor C 7 , . 8 composition;
  • Thermistors RF 2 - a power supply terminal connected to ground and the other terminal of R 31, pin 3 of op amp IC 5 is connected to the other end 6 R 31 volt power supply is connected to ground; the second IC pin 5, respectively, and the IC The first leg of 5 , the resistor R 3 . Connected, R 3.
  • the other end of the IC 6 is connected to the second leg of the IC 6; the third leg of the IC 6 is connected to the first leg and the third leg of the locator RF 3 , and the second leg of the RF 3 is respectively connected to the third leg of the RF 3 ; 6 IC pin 1, pin 33 is connected to the first, the first pin is connected to the RF power source is connected to ground, the second 1 ⁇ 1 ⁇ 1 is connected to pin 32, R 32 and the other end is connected to the 6 volt power supply;
  • the thermistor RF 2 and the resistor R 31 form a voltage dividing circuit, and the resistance value of the RF 2 changes with temperature, and the op amp IC 5 performs voltage following R 3 .
  • the op amp IC 6 for signal amplification and zero point adjustment evacuation microcontroller IC: the A / D conversion and processing.
  • the voice part is composed of a buzzer LS 17 three-stage tube Q : , a resistor R 28 , R 2 S , R 101 , and an LED;
  • ICi 34th pin is connected to the resistor R 28, the other end of the transistor 28 R ( ⁇ a!? End is connected, (c ⁇ the end of the 6 volt power supply is connected, is connected to the anode and Qi e buzzer, a cathode LSi and resistor R 29 is connected to the power supply ground and the other end connected to R 29 in. of 3 feet resistor 1 () 1, 1 R & lt () the other end of a light-emitting diode LED ⁇ LEDi the other end of the power supply ground.
  • the output pulse level of the MCU I/O port 34 pin is controlled by the resistor R 28 to limit the conduction and cut-off of the triode ( ⁇ and the triode (the 6- terminal of the ⁇ will generate a pulsating DC signal flowing through the buzzer LSp buzzer will Send a sound corresponding to the pulse frequency. If the 34-pin output of the MCU is constant at a high level or a low level, then the triode ( ⁇ will be in a constant on or off state, so that the buzzer has no pulsating current flowing through. Sound, the resistor R 2 9 acts as a current limiting.
  • the leak detection is as follows: by the operational amplifier IC 9 , the gas sensitive resistor R 32 , the positioner RF 4 , the resistors R 33 , R 34 ,
  • Gas-sensitive resistor respectively resistor R 32 R 34, R 36 is connected to the other end 6 volt power supply, the power supply is connected to the other end of R 34, R 36 and the other end of the third leg of the IC 9, 9 of the second IC feet and resistor R 37 is connected to the other end of the potentiometer R 37
  • RF pin 4 is connected to the third, the first RF pin is connected to the resistor R 4 1 D 3, R 1 () 3 to the other end of the power supply, the RP 4
  • the second leg is connected to the resistor R 33 , the other end of the R 33 R is connected to the 6 volt power supply, and the first leg of the IC S is connected to the second pin. .
  • the gas sensitive resistor R 32 and the resistor R 34 are divided, and the divided voltage signal is sent to the comparison input terminal 3 of the operational amplifier IC 9 via the resistor R 31 , and the resistors R 33 , RP 4 , R 1 D 2 are divided and pressed to compare the voltage.
  • the comparison input of the delivery amplifier 1C 9 is another - terminal 2 pin, normal: 9 pin 3 voltage is lower than 2 pin voltage, IC 9 pin 1 output low level, when there is air leakage, the resistance of the resistor will decrease, IC 9 pin 3 voltage rise High, when it is higher than IC 2 's 2 pin, IC 9 's 1 pin will output a high level to the 2 1 pin of the MCU ⁇ 2, the single machine will collect and process the signal, the positioner RF 4 is to adjust the air leak. Sensitivity of detection.
  • the ignition low voltage detection is composed of an operational amplifier IC 1 () , a battery B resistor R 41 , R 42 , R 43 , R 44 ;
  • the positive terminal of the battery and the other end of the resistor R 44 are connected to the second leg of the IC 1 Q.
  • the third pin is connected to the resistor R 43, the other end of the resistor R 43 are R 41, R 42 is connected, the other end of R 42, R 41 terminating another 6 volt positive supply, ICi.
  • the first leg is connected to the 1st leg of the ICi.
  • the voltage division of R 42 provides a comparison reference voltage when the battery voltage is lower than the reference voltage.
  • the first pin will output a high level to the microcontroller ICi ⁇ by the microcontroller 1. 1 Perform signal collection and processing.
  • the infrared remote control receives: by the infrared integrated receiver IC 16 , capacitor C 1 () .
  • the resistor R 1 () 4 is composed; the second leg of the infrared integrated receiver ICi e is connected to the I 7 pin of the Id 6 and the resistor R 1 Q4 respectively, and the other end of the R 104 is connected to the 6 volt positive power supply and the capacitor. . The other end is connected to the battery ground.
  • Infrared receiver 16 receives the modulated infrared signal via capacitor C 1 D . After filtering, the interrupt port of the single chip microcomputer is sent, and the single chip IC x performs pulse width calculation on the infrared signal to demodulate the corresponding key value and then perform corresponding processing.
  • the output control part is: by optocoupler IC ⁇ , IC 12 , IC 13 , resistor R 25 , R 19 , R 26 , 2 7 , R 23 , R 24 , transistor Q 7 , relay Kp solenoid valve battery B switch Si 7 , S 18 , motor drive chip IC 14 , motor ignition pulse generating circuit ICi 5 ;
  • IC ⁇ 38 is connected to resistor 27 , the other end of R 27 is connected to the second pin of optocoupler IC 13 , IC 13 is connected to 6 volt power supply, and IC 13 is connected to 6th pin.
  • the fifth pin of IC 13 is connected to the resistor R 23 , the other end of R 24 is connected to the first leg of the switch S 13 , the second leg of the S 18 is connected to the third leg of the IC 14 , and the third leg of the S 18 Grounding
  • the motor has no action; when the 38th pin of the MCU outputs a low level, the 2nd pin of the optocoupler 3 is turned on with the 1st pin, and the 5th pin of the optocoupler outputs a high level through the current limiting resistor R 24 and the switch S.
  • the rear feed motor drives the third pin of the chip IC 14 , when the motor rotates to the maximum, the switch S 18 will be opened, the third pin of the IC 14 will be low, and the motor will stop;
  • the display portion of the right output control portion and the left output control portion are the same - the microprocessor IC transformer ⁇ , the VFD connector J 2 , and the resistor R 1 () 5 ;
  • the MCU uses the 4, 5, 6, 7, and 8 pin serial input and output data and control signals to the VFD drive interface J 2 to control the content and indication of the VFD display;
  • the infrared non-pot detection portion is composed of an integrated receiver IC 4 , a non-gate IC 3 , and resistors R 1 D6 , R 107 , R n . , capacitor C 1 (U , C 102 , diode D infrared light-emitting tube PD, composed;
  • the first pin of IC 4 is connected to the 6 volt positive power supply, the third pin of IC 4 is connected to the power ground, and the second pin of IC 4 is connected to the electrical circuit R 1 Q7 and the capacitor C 1Q1 respectively, and the other end of R 1 () 7 is
  • the 6 volt positive power supply is connected, the other end of the IC lfll is connected to the diode D, and the other end is connected to the resistor 06 , the capacitor C 1Q2 , and the 4th pin of the non-gate IC 3 to the 1st 0th pin.
  • the second leg is connected to the resistor Ru. , .
  • the other end is connected to the infrared light-emitting tube P, and the other end is connected to the power ground;
  • the second pin of the MCU outputs a pulse of a certain frequency through the resistor.
  • the infrared light emitting tube emits a certain frequency of infrared output; when there is a pot, the infrared light is reflected by the pot body, and the integrated receiver IC 4 receives the pulse signal from the second pin of the IC 4 through the diode rectification, the capacitor C 1 () 2 filter, and resistor R 1 Q6 discharge loop after the non-gate to the integer output low level and then IC 3 inverting output high level through the 0 0 pin of the microcontroller, by the microcontroller to collect and Corresponding processing, when there is no pot, the infrared light is not reflected, the integrated receiver 1 has no infrared light receiving, the second pin of IC 4 will output a fixed high level separated by the capacitor C 1Q1 , no current charges the capacitor C 1Q2 , capacitor C 1 () 2 through the resistor.
  • the infrared emitting portion to be extended is composed of a resistor R 1 Q g , R 1 D 4 , a triode Q 2 , and an infrared light emitting tube PD 2 ;
  • the first pin of IC 2 is connected to the resistor. 9 , . 9
  • the other end is connected to the 13 end of the transistor 3 ⁇ 4, (3 ⁇ 4 of the 6 end grounded, Q 2 c end connected to the infrared light emitting diode PD 2 , ?. 2 the other end of the resistor R 1 Q 4 , R 1 D 4 the other end 6 volt positive power supply; single-chip microcomputer 1.
  • the serial interface part is: by RS 2 3 2 converter IC 2 , DB g core interface ⁇ , capacitor C ia 3 , C 1 0 4, Ci o 5, C! o 6 composition;
  • Pins 14 and 15 of ICi are connected to pins 1 and 1 of level shifter IC 2 , and pin 1 of IC 2 is connected to capacitor.
  • 1 () 4 C l fl other end 4 of the IC 3 feet 2, IC 4 feet 2 to the capacitor C 1 () 3, C the other end of the IC 1 Q 3 2 5 feet, IC pin 2 ⁇ 2 to the capacitor. 5 , the other end of C 1 Q 5 is connected to the 6 volt positive power supply.
  • the 6th pin of IC 2 is connected to the capacitor C 1 () 6
  • the other end of C 1 D 6 is connected to the power ground
  • the 16th pin of IC 2 is connected to 6 volts.
  • positive power source the IC 15 of the pin 2 is connected to power ground, first the IC 12, pin 14 and 2, respectively, DB 9 of the core 2, pin 3 connected to the interface, of 7, 5 feet power ground.
  • the power supply part 2 2 0 volt AC is filtered by the transformer step-down rectification, the output is positive 6 volt power supply, positive 12 volt power supply, positive 40 volt power supply and ground, positive 6 volt power supply respectively with the first 0 , pin 30, IC 2 pin 1, IC 4 pin 1, IC 16 pin 1, IC 5 pin 8, IC 6 pin 8.
  • the beneficial effects of the water invention are: the scan input through the keyboard and the processing of the corresponding key value, and the output of the display data And refresh, temperature acquisition and operation processing control the corresponding output level of the control terminal, receiving and transmitting of serial data, detection and processing of ignition low voltage signal, detection and processing of air leakage, output of speech frequency, output of alarm signal, Output control of the control part, software decoding of the infrared remote control signal and processing of the corresponding signal, emission control of the infrared signal and scanning processing without the pot detection input, software delay, storage of the timing function, fuzzy control of the size and fire, etc. To achieve the intended purpose.
  • Figure 1 is a general schematic view of a cooktop of the present invention.
  • Figure 2 is a circuit diagram of the keyboard portion, the temperature measuring portion, the voice portion, the infrared transmitting portion to be extended, and the serial interface portion of the present invention.
  • Fig. 3 is a circuit diagram of a leak detecting portion of the present invention.
  • Fig. 4 is a circuit diagram of a portion of the ignition low voltage detection portion of the present invention.
  • Figure 5 is a circuit diagram of the infrared remote control receiving portion of the present invention.
  • Figure 6 is a circuit diagram of an output control portion of the present invention.
  • Figure 7 is a partial circuit diagram of the display of the present invention.
  • Figure 8 is a circuit diagram of a portion of the non-pot detection portion of the present invention. Detailed ways
  • a gas cooker 1 is provided with a pan holder 2, and the pan holder 2 is provided with an ignition device at the front end of the gas stove 1; the front end of the gas stove 1 is provided with a control panel 3, and the surface of the control panel 3 is Control keyboard, display and remote control receiving induction ⁇ I, inside control panel 3; installed with computer control system; gas stove 1 is also provided with temperature sensing head 4 and air leakage sensor 5 on the panel.
  • the principle circuit of the intelligent gas stove is based on the single-chip microcomputer as the core controller. 1 part: the circuit part of the disk, the temperature measurement part, the voice part, the air leak detection, the low-voltage detection of the ignition, the infrared remote control receiving, the output control part, the display part, the power supply Part of the functional unit is composed.
  • the 2 2 pin of 1 is connected to one end of the buttons S 4 , S 3 , S 2 , Si, the other end of the S 4 button is connected to one end of the resistor R 18 , and the other end of R 18 is 1.
  • the 2 6 pins of 1 are connected, the other end of the S 3 button is connected to the resistor 7 , and the other end of the R 17 is connected?
  • the 2 4 pin of 1 ⁇ is connected to one end of the buttons S 12 , S diligent , S 1 D , S 9 , the other end of the S 12 button is connected to one end of the resistor R 18 , and the other end of the R 1 S is: 2 of the ⁇ 1 6 pin is connected, is connected to another end of the key with a resistor R 17, the other end of R 17 is connected to the IC 2 7 feet, Si. the other end of the key is connected to one end of resistor R 16, the other end of R 18 and workers ? pin 8 is connected, is connected to another end of the resistor R and the switching station 15, 15 and the other end of R ⁇ 1 is connected to the pin 29;
  • the 2 5 pin of 1 is connected to one end of the switches S 1 6 , S 15 , S 14 , S 13 , the other end of the S 16 switch is connected to one end of the resistor R 18 , and the other end of R 18 is 1.
  • the other end of the S 15 switch is connected to one end of the resistor R 1 7 , and the other end of the R 17 is connected to 1.
  • the 2-7 pin of 1 is connected, the other end of the Si 4 switch is connected to one end of the resistor R 16 , the other end of R 18 is connected to the 2 8 pin of 1 , and the other end of the switch is connected to one end of the resistor R 15 , R 15
  • the other end is with 1. 1 2 9 feet connected;
  • the button Si is the setting button, the time, temperature, and selection control button can be set;
  • the button S 2 is the time button, which can be used as the time display mode conversion and the clock and minute setting selection;
  • the button S 3 is the temperature button, As the temperature display mode conversion and boiling point temperature setting selection;
  • button S 4 is the selection button, which can be used as the selection of the work type;
  • button 3 5 is the programming button, which can be used as the setting for the timing operation with the key used in conjunction with it.
  • buttons S 9 and S 15 are the size The fire key can control the size of the gas of the other cooktop; the button Si 6 is the fire key to control the shut-off of the gas of the other cooktop.
  • the temperature measurement section in Fig. 2 by the microcontroller Id, the operational amplifier IC 5 , IC 6 , the thermistor RF 2 , the positioner RP RF 3 , the resistor R 3 . , R 31 , R 32 , electrolytic capacitor C 9 , capacitor C 7 , C 8 ;
  • Thermistors P 2 - a power supply terminal connected to ground and the other terminal of op amp IC with R 31 3 is connected to pin 5, R 31 and the other end is connected to the 6 volt power supply; a second IC pin 5 of IC 5 and are The first leg, the resistor R 3 . Connected, R 3 .
  • the other end of the IC 6 is connected to the second leg of the IC 6 ; the third leg of the IC 6 is connected to the first leg and the third leg of the locator RF 3 , and the second leg of the RF 3 is respectively connected to the third leg of the RF 3 ;
  • the first leg of the IC 6 IC6 is connected to the third leg of the third leg, and the first leg of the IC 6 IC6 is connected to the power ground.
  • the foot is connected to R 32 and the other end of R 32 is connected to a 6 volt power supply;
  • the thermistor F 2 and the resistor R 31 form a voltage dividing circuit, and the resistance value of the RF 2 changes with temperature, and the op amp IC 5 performs voltage following R 3 .
  • the amplifier is sent to the op amp 3 ⁇ 4 6 for signal amplification and zero adjustment, it is sent to the microcontroller IC for A/D conversion and processing.
  • the voice part of Figure 2 consists of the buzzer LS ⁇ three-stage tube resistor R 28 , R 29 , R 10 i> LED LED i ;
  • ICi 34th pin is connected to the resistor R 28, R 28 is connected to terminal 15 of the transistor and the other end (a ⁇ , C 6 volt power supply is connected to the terminal, (6 ⁇ buzzer anode connected LSi, LSi and cathode
  • the resistor R 29 is connected, and the other end of the R 23 is connected to the power ground.
  • the third end of the ICi is connected to the resistor R 1 Q 1 , and the other end of the R 1 D 1 is connected to the other end of the LED LEDi.
  • the output pulse level of the I/O port 34 pin of the MCU ⁇ is limited by the resistor R 28 and then the transistor is turned on and off.
  • the e-end of the triode will generate a pulsating DC signal flowing through the buzzer LS ⁇ buzzer will issue a pulse frequency corresponding to the noise, if the microcontroller 34 outputs a constant pin high or low so transistor ( ⁇ a constant state or turned off, such that no ripple current buzzer If the sound does not sound, the resistor R 29 acts as a current limiter.
  • Leakage detection in Figure 3 consisting of op amp IC 9 , varistor R 32 , locator F 4 , resistors R 33 , R 34 , R 36 , R 37 , R 1 () 3 ;
  • Gas-sensitive resistor respectively resistor R 32 R 34, R 36 is connected to the other end 6 volt power supply, the power supply is connected to the other end of R 34, R 36 and the other end of the third leg of the IC 9, 9 of the second IC feet and resistor R 37 is connected to the other end of the potentiometer R 37
  • RF third pin 4 is connected, is connected to the first pin and the RF resistance R l fl 4 is 3, R 1 D 3 to the other end of the power supply, RF 4
  • the second pin is connected to the resistor R 33 , the other end of the R 33 is connected to the 6 volt power source, and the first leg of the IC 9 is connected to the second leg of the ICi;
  • the gas sensitive resistor R 32 and the resistor R 34 are divided, and the divided voltage signal is sent to the comparison input terminal 3 of the operational amplifier IC 9 via the resistor R 31 , and the resistors R 33 , RF 4 , R 1 Q 3 are divided and pressed to compare the voltage.
  • the resistance of the time sensitive resistor will decrease, and the voltage of the 3 pin of IC g will rise.
  • the 1 pin of IC g When it is higher than the 2 pin of IC S , the 1 pin of IC g will output a high level to the 2 1 pin of the single chip 1 , and the single machine will The signal is collected and processed, and the positioner 1 ⁇ 4 is used to adjust the sensitivity of the leak detection.
  • the ignition low voltage detection in Figure 4 consists of the operational amplifier IC 1 () , battery B resistors R 41 , R 42 , R 43 , R 44 ;
  • the positive terminal of the battery and the other end of the resistor R 44 are connected to ICi.
  • the second leg is connected.
  • the third pin is connected to the resistor R 43, the other end of the resistor R 43 are R 41, R 42 is connected, the other end of R 42, R 41 terminating another 6 volt positive supply.
  • the voltage division of R 41 and R 42 provides a comparison reference voltage when the battery voltage is lower than the reference voltage.
  • the first pin will output a high level to the microcontroller IC for signal acquisition and processing by the microcontroller ICi.
  • the infrared remote control receiving in FIG. 5 is composed of an infrared integrated receiver IC 16 , a capacitor C 1 QQ , and a resistor R i a4 ; the second leg of the infrared integrated receiver 6 is respectively connected with a 17-pin, resistor. 4 connected, .
  • the other end of 4 is connected to a 6 volt positive supply, capacitor d.
  • the other end of Q is connected to the battery ground;
  • the infrared receiving head 6 receives the modulated infrared signal via a capacitor. . After filtering, the interrupt port of the MCU is sent, and the MCU performs pulse width calculation on the red signal to demodulate the corresponding key value and then perform corresponding processing.
  • the output control in Figure 6 is part 6: by optocoupler Id IC 12 , IC 13 , resistor R 25 , R 19 , R 26 , R 27 , R 23 , R 24 , transistor Q 7 , relay solenoid valve battery Bp switch S 17 , S 18 , motor driving chip 4 , motor ignition pulse generating circuit Id 5 ;
  • the other end is grounded, the controlled end switch 2 is connected to the outer casing, and the other end is connected to the outer casing.
  • One end is connected to the positive end of the battery B, and the negative end is connected to the control end of the pulse ignition generator Id 5 ;
  • the optocoupler ⁇ is the first?
  • the foot and the third leg are turned on, and the fifth pin of the optocoupler will output a high level to turn on the transistor Q 7 , and the relay pulls the solenoid valve 1 ⁇ to have a current flowing through the closed gas.
  • the power of the ignition drive chip 5 is turned on to start firing;
  • the 3rd pin of the microcontroller ICi When the 3rd pin of the microcontroller ICi outputs a low level, the 2nd pin of the optocoupler IC 13 and the 1st pin are turned on, and the 5th pin of the optocoupler outputs a high level after the current limiting resistor R 24 and the switch S 1 S Send the third leg of the motor drive chip IC 14 , when the motor rotates to the maximum, the switch S 18 will be disconnected, the third pin of the IC 14 will be low, and the motor will stop.
  • the right output control section is the same as the connection of the left output control section.
  • the display portion in FIG. 7 is composed of a microprocessor Id, a transformer ⁇ , a VFD connector J 2 , and a resistor R 1 () 5 ;
  • the MCU uses the 4, 5, 6, 7, and 8 pin serial input and output data and control signals to the VFD drive interface J 2 to control the content and indication of the VFD display;
  • the infrared non-pot detection part in Figure 8 by integrated receiver IC 4 , non-gate IC 3 , resistor R 1 Q 6 , R 107 , R 110 , capacitor C 1 Q 1 , C 102 - diode D infrared tube composition;
  • the first pin of IC 4 is connected to the 6 volt positive power supply.
  • the third pin of IC 4 is connected to the power ground.
  • the second pin of IC 4 is connected to the resistor R 107 capacitor C 1 Q 1 , and the other end of R la 7 is 6 volt positive.
  • the power supply is connected, and the other end of the IC 1 () 1 is connected to the other end of the diode D 17 and the resistor R 1 Q 6 , the capacitor C 1 Q 2 , and the fourth leg of the non-gate IC 3 2 0 feet.
  • IC pin 3 1 4 6 volt positive supply connection, the second IC pin 3 and pin 7 of IC 3 is connected to power ground.
  • IC X 's 2nd pin is connected to ⁇ . , .
  • the other end of the infrared light-emitting tube PD PDi is connected to the power supply ground; the second pin of the single-chip ICi outputs a pulse of a certain frequency through the resistor! .
  • the infrared light emitting tube emits a certain frequency of infrared output; when there is a pot, the infrared light is reflected by the pot body, and the integrated receiver IC 4 receives, and the pulse signal from the second pin of the IC 4 is output through the diode 0 rectification. , Capacitor C 1 D 2 filtering, and resistor 1 ⁇ . After the discharge circuit, the non-gate is sent to the non-gate to output the low level.
  • the output level is high.
  • the second pin of the ICI ICi is collected by the single chip ICi and processed accordingly.
  • the Infrared light is non-reflective, integrated receiver ⁇ 4 no infrared light receiving, IC 4 's 2nd pin will output a fixed high level isolated by capacitor C 1 Q 1 , no current charges capacitor C 1 Q 2 , capacitor C 1 () 2
  • the input of the non-gate is low level non-gate 1. 3 output high level and then output low level after IC 3 inversion, through the 20th pin of the microcontroller ICI, the acquisition by the MCU and corresponding processing.
  • the infrared emitting portion to be expanded in Fig. 2 is composed of a resistor R 1 Q 9 , a R 1 Q 4 transistor Q 2 , and an infrared light emitting tube PD 2 ;
  • ICi's first pin is connected to the resistor ⁇ 1 . 9 the other end of the triode (5 2 of the 13 end, ( ⁇ 2 of the 6 end of the ground, 0 2 (: terminate the infrared LED PD 2 , PD 2 the other end of the resistance ⁇ . 4 , R 1 Q 4 of the other One end is connected to a 6 volt positive power supply;
  • the single chip IC ⁇ 1 pin outputs the pulse output of the different frequencies modulated by software through the resistor. After the current limiting, the transistor Q 2 is intermittently turned on, and the infrared light emitting diode PD ⁇ is emitted with 1.
  • the 1 pin has the same frequency of infrared light output to control the motion of other devices.
  • serial interface part of 2 by RS 2 3 2 converter IC 2 , DB 9 core interface: ⁇ , capacitor C 1 D 3 ,
  • the first and fifth legs of ICi are connected to the first, third and first legs of the level shifter IC 2 , and the first leg of IC 2 is connected to the other end of the capacitor C 1 () 4 , C 1 () 4 pin 3 of the IC 2, the fourth IC pin 2 to the capacitor C 1 Q 3, C 1 ( ) the other end 3 of the IC 2 5 feet, the second pin 2 of the IC to the capacitor.
  • 1 () 5 , C 1 Q 5 is connected to the 6 volt positive power supply at the other end.
  • the 6th pin of IC 2 is connected to the capacitor C 1 () s , the other end of C 1 () 6 is connected to the power supply ground, IC 1 of the 1st 6 feet to 6 volt positive power supply, the IC of 15 feet 2 to the power ground, the IC 1 2, 1 4 pin 2 is connected to the second pin 3 9-pin interface DB, respectively, of 7, 5 feet power Ground.
  • Power supply part 2 2 G volt AC after transformer step-down rectification and filtering, output positive 6 volt power supply, positive 1 2 power supply, positive 40 volt power supply and ground terminal, positive 6 volt power supply and ICi's 1 0, 3 0 respectively Feet, 1. 2 of 1 foot, 1.
  • the microprocessor is mainly responsible for the microcontroller IC i: keyboard scan input and corresponding key value processing, display data output and refresh, temperature acquisition and operation processing control the corresponding control terminal output level, serial data reception and transmission , detection and processing of ignition low voltage signal, detection and processing of air leakage, output of speech frequency, output of alarm signal, output control of control part, software decoding of infrared remote control signal and processing of corresponding signal, emission of infrared signal Control and scan processing without pot detection input, software delay, timing function storage, fuzzy control of size and fire.

Abstract

L'invention concerne une cuisinière intelligente pour combustible gazeux sur laquelle est installé un porte-récipients. Un panneau de commande est monté sur le devant de la cuisinière. La surface du panneau de commande comporte un clavier de commande, un affichage et un inducteur recevant un signal de télécommande. Un inducteur de température et un détecteur de fuite sont montés sur le panneau de la cuisinière. Un système de commande informatique est installé à l'intérieur du panneau de commande. Le circuit de la cuisinière intelligente comprend une section de circuit de clavier, une section de détection de température, une section sonore, une section de détection de fuite, une section de détection d'allumage basse pression, un inducteur recevant un signal de télécommande infrarouge, une section de commande de sortie, une section d'affichage, une section de détection de récipient, une section d'émission de rayonnement infrarouge sur une extension en option, une section d'interface série et une section d'alimentation électrique.
PCT/CN2002/000881 2002-09-23 2002-12-10 Cuisiniere intelligente pour combustible gazeux WO2004027320A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002354138A AU2002354138A1 (en) 2002-09-23 2002-12-10 Intelligent range for gaseous fuel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN02142347.4 2002-09-23
CN 02142347 CN1280584C (zh) 2002-09-23 2002-09-23 智能燃气灶

Publications (1)

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WO2004027320A1 true WO2004027320A1 (fr) 2004-04-01

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CN (1) CN1280584C (fr)
AU (1) AU2002354138A1 (fr)
WO (1) WO2004027320A1 (fr)

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ITTO20090540A1 (it) * 2009-07-17 2011-01-18 Eltek Spa Dispositivo di sicurezza contro fughe di gas combustibile per apparati domestici

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CN101082425B (zh) * 2006-05-31 2010-09-29 海尔集团公司 智能燃气灶
CN100552306C (zh) * 2007-05-16 2009-10-21 深圳市拓邦电子科技股份有限公司 用于烹饪加热的智能菜单电控加热炉
CN104896534A (zh) * 2015-06-23 2015-09-09 苏州和美电器科技有限公司 一种智能集成灶主板控制系统
CN105318329B (zh) * 2015-11-18 2018-09-07 梁觐和 一种用于燃气灶具的红外线燃烧器

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JPH0783442A (ja) * 1993-09-14 1995-03-28 Tokyo Gas Co Ltd ガステーブルの安全装置
CN2375885Y (zh) * 1998-10-01 2000-04-26 叶玲 全电子控制多功能燃气灶
CN1263230A (zh) * 1999-01-28 2000-08-16 陈玉山 电脑燃气灶

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JPH0783442A (ja) * 1993-09-14 1995-03-28 Tokyo Gas Co Ltd ガステーブルの安全装置
CN2375885Y (zh) * 1998-10-01 2000-04-26 叶玲 全电子控制多功能燃气灶
CN1263230A (zh) * 1999-01-28 2000-08-16 陈玉山 电脑燃气灶

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ITTO20090540A1 (it) * 2009-07-17 2011-01-18 Eltek Spa Dispositivo di sicurezza contro fughe di gas combustibile per apparati domestici
WO2011007331A3 (fr) * 2009-07-17 2011-04-28 Eltek S.P.A. Dispositif de sécurité contre les fuites de gaz combustible pour appareils électroménagers
CN102625892A (zh) * 2009-07-17 2012-08-01 埃尔特克有限公司 用于家用器具的防止可燃气体泄漏的安全装置
CN102625892B (zh) * 2009-07-17 2015-11-25 埃尔特克有限公司 用于家用器具的防止可燃气体泄漏的安全装置
US9897315B2 (en) 2009-07-17 2018-02-20 Eltek S.P.A. Safety device against combustible gas leaks for household appliances

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CN1424541A (zh) 2003-06-18
AU2002354138A1 (en) 2004-04-08

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