CN2577149Y - Intelligent gas range (3) - Google Patents

Intelligent gas range (3) Download PDF

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Publication number
CN2577149Y
CN2577149Y CN 02254767 CN02254767U CN2577149Y CN 2577149 Y CN2577149 Y CN 2577149Y CN 02254767 CN02254767 CN 02254767 CN 02254767 U CN02254767 U CN 02254767U CN 2577149 Y CN2577149 Y CN 2577149Y
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pin
link
resistance
button
gas
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陈力
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Abstract

The utility model discloses an intelligent gas range which is controlled by a computer. The utility model is composed of a gas range, wherein, a pot frame is arranged on the gas range; an ignition device is arranged on the front end of the pot frame, which is adjacent to the gas range; the front end of a panel of the gas range is provided with a control panel; the surface of the control panel is provided with a supervisory keyboard, a display and a remote control receiving inductor; a computer control system is arranged at the inner part of the control panel; a temperature inducting head and a gas leakage inductor are also arranged on the panel of the gas range. A schematic circuit of the intelligent gas range is formed by that a single chip computer IC#-[1] is used as a core controller, the outside of which is connected with function units of power parts of a keyboard circuit part, a temperature measuring part, a gas leakage detecting part, an infrared remote control receiving part, an output control part, a display part, etc.; thereby, the IC#-[1] is used as the core controller to realize multiple functions of display, temperature control, detection, alarm, remote control, etc. so as to achieve the laying purpose of intelligence.

Description

Intelligent gas-burning stove (3)
Technical field
The utility model relates to the gas-cooker that uses in people's daily life, a kind of specifically intelligent gas-burning stove by computer control.
Background technology
At present, the kitchen range of the coal gas that people use, liquefied gas etc. mainly contain igniting, regulate the intensity of a fire and cut out manually-operated switch such as source of the gas and realize.Obviously, manually-operated kitchen range all must carry out under the monitoring the people in the overall process of work, otherwise will cause and dryout, burn or soup juice etc. is excessive causes that burning fire is extinguished etc. problem occurs.Manually-operated goes wrong easily and some difficulties in order to overcome, Chinese patent: CN2286838N, the patents such as CN1263230A that the CN2047759N and the inventor cooperate with other people have proposed gas-cooker: the automatic ignition system, flame-out automatic resume combustion, leakage alarm, automatically hold one's breath overtemperature alarm, the corresponding supporting control device that regularly boils and implement according to employed pan difference.Many functions of these inventions all are that the control by micro computer realizes.Along with further developing of science and technology, the backwardness that many designs or technology show aspect intelligent particularly lacks relevant beepbox.Therefore, be necessary to be further improved for prior art.
The utility model content
In order to overcome the deficiency of existing computer gas stove, the utility model proposes a kind of intelligent gas-burning stove that has beepbox.
The technical scheme that its technical problem that solves the utility model adopts is: a gas-cooker is arranged, and gas-cooker is provided with a pot frame, and the pot frame is provided with igniter by the front end of gas-cooker; The panel front end of gas-cooker is provided with control panel, and the surperficial front end of control panel is supervisory keyboard, a gas-cooker is arranged, and gas-cooker is provided with a pot frame, and the pot frame is provided with igniter by the front end of gas-cooker; The panel front end of gas-cooker is provided with control panel, and the surperficial front end of control panel is supervisory keyboard, display and shakes control reception inductor, control panel front end inside; Computerized control system is installed; Also be provided with temperature sense head and gas leakage inductor on the panel of gas-cooker.The intelligent gas-burning stove schematic circuit is with single-chip microcomputer IC 1For the external part of core controller has: keyboard circuit part, temperature survey part, phonological component, gas leakage detect, the detection of sparking low pressure, output control part, display part, no pot test section, power supply unit grade, and functional unit group becomes.
Described keyboard circuit part: by micro controller IC 1, button S 1, S 2, S 3, S 4, S 5, S 6, S 7, S 8, S 9, S 11, S 11, S 12, S 13, S 14, S 15, S 16, resistance R 15, R 16, R 17, R 18Form;
IC 122 pin and button S 4, S 3, S 2, S 1An end link to each other S 4The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 3The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 2The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other S 1The other end of button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 123 pin and button S 8, S 7, S 6, S 5An end link to each other S 8The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 7The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 6The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other S 5The other end of button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 124 pin and button S 12, S 11, S 10, S 9An end link to each other S 12The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 7The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 10The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other the other end of S9 button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 125 pin and switch S 16, S 15, S 14, S 13An end link to each other S 16The other end of switch and resistance R 18The other end and IC 128 pin link to each other S 11The other end of switch and resistance R 15An end link to each other R 15An end link to each other R 15The other end and IC 129 pin link to each other;
Button S 1Be setting key, but setting-up time, temperature, and select the control button; Button S 2Be time key, the selection of can be used as the display mode conversion of time and clock, minute setting; Button S 3Be the temperature key, can be used as the conversion of temperature display mode and the setting of boiling temperature and select; Button S 4Be options button, can be used as the selection of job category; Button S 5Be the programming key, the setting that is available as timing working has S with the key that uses that matches with it 6Home key, S 7End key, S 8(S 12) acknowledgement key, S 10Increase key, S 11Reduce key; Button S 9Be start key, can be used for starting and regularly reach the function of manually cooking; Button S13 is a power key, can be used as the Kai Heguan of line power; Button S 14, S 15Be big or small key, can control the size of another kitchen range top combustion gas; Button S 16Be Guan Huojian, can control the shutoff of another kitchen range top combustion gas.
Described temperature survey part: by microcontroller IC 1, amplifier IC 5, IC 6, thermistor RF 2, locator RF 1, RF 3, resistance R 30, R 31, R 32, electrochemical capacitor C 9, capacitor C 7, C 8Form.
Thermistor RF 2One end links to each other with power supply ground; The other end respectively with R 31, amplifier IC 5The 3rd pin link to each other R 31The other end and IC 6Crus secunda link to each other; IC 6The 3rd pin respectively with locator RF 3The 1st pin, RF 1The 3rd pin link to each other RF 3The 2nd pin respectively with RF 3The 3rd pin, IC 6The 1st pin, IC 1The 33rd pin link to each other RF 1The 1st pin link to each other RF with power supply ground 1The 2nd pin and R 32The other end link to each other with 6 volts of power supplys.
Thermistor RF 2With resistance R 31Form bleeder circuit, RF 2With the also corresponding change of variation of temperature resistance, amplifier IC 5Carry out voltage follow and pass through R 30Send into amplifier IC 6Send single-chip microcomputer IC after carrying out adjusting at signal amplification and zero point 1Carry out A/D conversion and processing.
Described phonological component: by buzzer LS 1, triode Q 1, resistance R 28, R 29, R 101, light emitting diode IC 1The 34th pin and resistance R 28The other end and triode Q 1B end link to each other Q 1C end link to each other Q with 6 volts of power supplys 1E end and buzzer LS 1Anode link to each other LS 1Negative electrode and resistance R 29Link to each other R 29The other end link to each other with power supply ground.IC 1The 3rd pin connecting resistance R 101, R 101Other end sending and receiving optical diode LED 1, LED 1Another termination power ground.
Single-chip microcomputer IC 1I/O mouth 34 pin output impulse level through resistance R 28Control triode Q after the current limliting 1Conducting with end triode Q 1E end and buzzer LS 1Buzzer will send and the corresponding sound of pulse frequency, if high level that the output of 34 pin of single-chip microcomputer is constant or low level be the triode Q1 state that will be in permanent conducting or end so, make the pulseless electric current of buzzer flow through and do not send sound, 29 metering functions of resistance R.
Described gas leakage detects: by amplifier IC 9, gas sensing resistance R 32, potentiometer RE 4, resistance R 33, R 34, R 36, R 37, R 103Deng composition.
Gas sensing resistance R 32Respectively with resistance R 34, R 36Link to each other 6 volts of power supplys of another termination, R 34Another termination power ground, R 36The other end and IC 9The 3rd pin link to each other RE 4The 1st pin and resistance R 103Another termination power ground, RF 4The 2nd pin and resistance R 33Link to each other R 336 volts of power supplys of another termination, IC 9The 1st pin and IC 121 pin link to each other;
Gas sensing resistance R 32With resistance R 34Carry out dividing potential drop, voltage division signal is through resistance R 31Send amplifier IC 9Comparison input 3 pin, resistance R 33, RK 4, R 103Press and carry common comparative voltage and send amplifier IC 9The relatively input other end 2 pin, just often: IC 93 pin voltages be lower than 2 pin voltages, be lower than 2 pin voltages, IC 91 pin output low level, the resistance of gas sensing resistance will reduce IC as when gas leakage 93 pin voltages raise, when being higher than IC 92 pin the time IC 91 pin will export high level and give three nor gate CD 40251 pin, three nor gate CD 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply, potentiometer RF 4Be for triode Q 12Adhesive, alarm work is cut off the electricity supply, potentiometer RF 4Be in order to regulate the sensitivity that gas leakage detects.
Described sparking low pressure detects by amplifier IC 10, battery B 1, resistance R 41, R 42, R 43, R 44Form;
Battery B 1Positive pole and resistance R 44Link to each other R 44The other end and IC 10The 2nd pin link to each other IC 10The 3rd pin and resistance R 43Link to each other R 43The other end hinder R with the people respectively 41, R 42Link to each other R 42Other end ground connection, R 416 volts of positive supplies of another termination, IC 10The 1st pin meet IC 1The 16th pin.
Amplifier IC 10With resistance R 41, R 42, R 43, R 44And sparking dry cell B 1Constitute comparator, R 41, R 42Carrying out dividing potential drop provides comparison reference voltage, and the 1st pin of IC10 will be exported high level and give three nor gate CD when cell voltage is lower than this reference voltage 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply.
Described output control part: by optocoupler IC 11, IC 12, IC 13, resistance R 25, R 19, R 26, R 27, R 23, R 24, triode Q 7, relay K 1, magnetic valve L 1, battery B 1, switch S 17, S 18, motor drive ic IC 14, motor M 1, sparking pulse generating circuit IC 15Form.
(1) left road igniting: IC 140 pin connecting resistance R 25, R 25The other end and optocoupler IC 11The 2nd pin link to each other IC 11The 1st pin meet 6 volts of power supplys, IC 11The 6th pin meet 12 volts of power supplys, IC 11The 5th pin connecting resistance R 19, R 19Another termination triode Q 7B end, Q 7C termination 12 power supplys, Q 7E relay termination K 1Control end, K 1The other end ground connection of control, K 1Controlled end switch 1, one termination 12 power supplys, another termination magnetic valve L 1, L 1Other end ground connection, K 1Controlled end switch 1, one termination 12 power supplys, another termination magnetic valve L 1, L 1Other end ground connection, K 1Controlled end switch 2, one termination enclosure ground, another termination battery B 1Anode, B 1Negative terminal pulse firing generator IC 15Control end.
Optocoupler IC when 40 pin of single-chip microcomputer are exported high level 11The 2nd pin and the 1st pin no-voltage poor, the 5th pin of optocoupler makes triode Q with output low level 7End relay K 1Disconnect magnetic valve L 1No current is closed combustion gas and is also made sparking drive chip IC simultaneously 15Power supply disconnect and not strike sparks;
Optocoupler IC when 40 pin output low levels of single-chip microcomputer 11The 2nd pin and the 1st pin do not have conducting, the 5th pin of optocoupler will be exported high level and make triode Q 7Conducting, relay K 1Adhesive magnetic valve L 1There is electric current to flow through to close combustion gas also to make sparking drive chip IC simultaneously 15Power connection begin the sparking;
(2) left road big fire: IC 139 pin connecting resistance R 26, R 26Another termination optocoupler IC 12The 2nd pin, IC 12The 1st pin meet 6 volts of power supplys, IC 12The 6th pin meet 12 volts of power supplys, IC 12The 5th pin connecting resistance R 23, R 23Another termination switch S A 17The 1st pin, S 17The 2nd pin and IC 14The 2nd pin link to each other S 17The 3rd pin ground connection, IC 14The 7th, 8 pin connect the input of motor M 1 respectively.
(3) the little fire in left road: IC 138 pin connecting resistance R 27, R 27Another termination optocoupler IC 13The 2nd pin, ICA 13The 1st pin meet 6 volts of power supplys, IC 13The 6th pin meet 12 volts of power supplys, IC 13The 5th pin connecting resistance R 24, R 24Another termination switch S 18The 1st pin, S 18The 1st pin, S 18The 2nd pin meet IC 14The 3rd pin, S 18The 3rd pin ground connection;
As single-chip microcomputer IC 1The 38th pin output high level the time optocoupler IC 13The 2nd pin and the 1st pin no-voltage poor, the 5th pin of optocoupler will be exported high level and send motor drive ic IC 14The 3rd pin, motor attonity at this moment;
As single-chip microcomputer IC 1The 38th pin output low level the time optocoupler IC 13The 2nd pin and the 1st pin conducting, the 5th pin of optocoupler will be exported high level through current-limiting resistance R 24And switch S 18After send motor drive ic IC 14The 3rd pin, at this moment motor rotates when arriving maximum and will make switch S 18Disconnect IC 14The 3rd pin will be low level, motor stops.
(4) the right wing output control part is identical with each line of left road output control part.
Described display part: be made up of charactron and light emitting diode, 14,15,18,19,20,21 of single-chip microprocessor MCU is passed through 6 1K resistance R respectively 1-R 6With triode Q 1-Q 6Base stage link to each other.Triode Q1-Q 6The emitter stage back that connects together link to each other with+6V power supply by one 10 Europe resistance.Triode Q 1-Q 4Colelctor electrode receive four control ends of charactron respectively.Light emitting diode D 21-D 28Anode meet triode Q after connecting together 5Colelctor electrode; Light emitting diode D 2-D 6Anode meet triode Q after connecting together 6Colelctor electrode.The data port a of charactron, b, c, d, e, f, g, Dp are respectively by resistance R 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 21-D 28Negative electrode also respectively by resistance R 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 21-D 28Negative electrode also pass through resistance R respectively 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 2-D 6Cloudy machine also pass through resistance R respectively 7-R 11Link to each other with 1 to 5 pin of single-chip microcomputer.
Described infrared no pot detects partly: infrared no pot test section is made up of with receiving unit the infrared emission part: the infrared emission part is by 555 timers, R 47, R 48, C 12, C 22The oscillating circuit and the infrared transmitting tube D that form 19Resistance R 49Form.8,4 pin of 555 timers connect together and connect+the 6V power supply.After connecting together, 2,6 pin of 555 timers connect 100K resistance R 48,7 pin of another termination 555 timers of R48.2,6 pin of 555 timers connect together 0.1u electric capacity to ground.+ 6V power supply connects 7 pin that 555 timers are also linked in 100 Mian resistance.3 pin of 555 timers connect resistance R 49Output signal is to infrared transmitting tube D 19
Infrared receiving unit is by integrated receiver U 8, not gate CD 4069, resistance R 46, capacitor C 9, C 10, diode D 15Form;
U 8The 2nd pin meet 6 volts of positive supplies, U 8The 3rd pin meet power supply ground, U 8The 1st pin link to each other C with capacitor C 9 9The other end and a not gate U 11The output of A and diode D 22Anode link to each other.Diode D 22A negative electrode and a not gate U 11The input of B links to each other, also with capacitor C 10Link to each other capacitor C 10Other end ground connection.Not gate U 118An output and a not gate U 11The input of C links to each other, and also passes through resistance R 40Link to each other with light emitting diode.If detect less than pot not gate U 11The output output high level of C is given two nor gate CD 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply.
Described power unit: after the filtering of transformer step-down rectifier, export positive 6 volts of power supplys, positive 12 power supplys by 220 volts of alternating currents, positive 40 volts of power supplys and ground end, positive 6 volts of power supplys respectively with IC 1The 10th, 30 pin, IC 21 pin, IC 41 pin, IC 16The 1st pin, IC 5The 8th pin, IC 6The 8th pin.
Microprocessor of the present utility model is with single-chip microcomputer IC 1Main being responsible for: the scanning input of keyboard and the processing of corresponding key assignments, the output of video data and refreshing, the output level of the collection of temperature and calculation process control control corresponding end, the reception of serial data sends, the detection and the processing of sparking low-voltage signal, the detection and the processing of gas leakage, the output of speech frequency, the output of alarm signal, the output control of control section, the software decoding of infrared remote-controlled signal and the processing of corresponding signal, the emission control of infrared signal and do not have the scan process that pot detects input, the time-delay of software, the storage of timing function, functions such as the fuzzy control of large and small fire.
As long as connect power supply,, open switch during work, promptly can realize intelligent work by the setting program of food processing.
The beneficial effects of the utility model are: by with IC 1For the control core device is realized demonstration, temperature control, detection, reported to the police, shakes multiple functions such as control, thereby reach the intelligentized purpose of drafting.
Description of drawings
Below in conjunction with the description of accompanying drawing, further describe the utility model intelligent gas-burning stove to embodiment.
Fig. 1 is the general illustration of kitchen range of the present utility model.
Fig. 2 is keyboard circuit of the present utility model, temperature detection, phonological component and the display part circuit diagram that grades.
Fig. 3 is left road control circuit figure of the present utility model.
Fig. 4 is a gas leakage of the present utility model test section circuit diagram.
Fig. 5 is a sparking low pressure of the present utility model test section circuit diagram.
Fig. 6 is the infrared control receiving unit circuit diagram that shakes of the present utility model.
Gas-cooker 1 among Fig. 1, pot frame 2, control panel 3, temperature sense head 4, gas leakage inductor 5.
Specific embodiment
Embodiment 1:
A gas-cooker (1) is arranged among Fig. 1, and gas-cooker (1) is provided with a pot frame (2), and pot frame (2) is provided with igniter by the front end of gas-cooker; The panel front end of gas-cooker (1) is provided with control panel (3), and the front end surface of control panel (3) is supervisory keyboard, display and shakes control reception inductor, control panel (3) front end inside; Computerized control system is installed; Also be provided with temperature sense head (4) and gas leakage inductor (5) on the panel of gas-cooker (1).
The intelligent gas-burning stove schematic circuit is with single-chip microcomputer IC 1For the external part of core controller has: keyboard circuit part, temperature survey part, phonological component, gas leakage detect, the detection of sparking low pressure, output control part, display part, no pot test section, power supply unit grade, and functional unit group becomes.
Keyboard circuit part among Fig. 2: by micro controller IC 1, button S 1, S 2, S 3, S 4, S 5, S 6, S 7, S 8, S 9, S 10, S 11, S 12, S 13, S 14, S 15, S 16, resistance R 15, R 16, R 17, R 18Form;
IC 122 pin and button S 4, S 3, S 2, S 1An end link to each other S 4The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 3The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 2The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other S 1The other end of button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 123 pin and button S 8, S 7, S 6, S 5An end link to each other S 8The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 7The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 6The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other S 5The other end of button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 124 pin and button S 12, S 11, S 10, S 9An end link to each other S 12The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 7The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 10The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other the other end of S9 button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 125 pin and switch S 16, S 15, S 14, S 13An end link to each other S 16The other end of switch and resistance R 18The other end and IC 128 pin link to each other S 11The other end of switch and resistance R 15An end link to each other R 15An end link to each other R 15The other end and IC 129 pin link to each other;
Button S 1Be setting key, but setting-up time, temperature, and select the control button; Button S 2Be time key, the selection of can be used as the display mode conversion of time and clock, minute setting; Button S 3Be the temperature key, can be used as the conversion of temperature display mode and the setting of boiling temperature and select; Button S 4Be options button, can be used as the selection of job category; Button S 5Be the programming key, the setting that is available as timing working has S with the key that uses that matches with it 6Home key, S 7End key, S 8(S 12) acknowledgement key, S 10Increase key, S 11Reduce key; Button S 9Be start key, can be used for starting and regularly reach the function of manually cooking; Button S13 is a power key, can be used as the Kai Heguan of line power; Button S 14, S 15Be big or small key, can control the size of another kitchen range top combustion gas; Button S 16Be Guan Huojian, can control the shutoff of another kitchen range top combustion gas.
Temperature survey part among Fig. 2: by microcontroller IC 1, amplifier IC 5, IC 6, thermistor RF 2, locator RF 1, RF 3, resistance R 30, R 31, R 32, electrochemical capacitor C 9, capacitor C 7, C 8Form.
Thermistor RF 2One end links to each other with power supply ground; The other end respectively with R 31, amplifier IC 5The 3rd pin link to each other R 31The other end and IC 6Crus secunda link to each other; IC 6The 3rd pin respectively with locator RF 3The 1st pin, RF 1The 3rd pin link to each other RF 3The 2nd pin respectively with RF 3The 3rd pin, IC 6The 1st pin, IC 1The 33rd pin link to each other RF 1The 1st pin link to each other RF with power supply ground 1The 2nd pin and R 32The other end link to each other with 6 volts of power supplys.
Thermistor RF 2With resistance R 31Form bleeder circuit, RF 2With the also corresponding change of variation of temperature resistance, amplifier IC 5Carry out voltage follow and pass through R 30Send into amplifier IC 6Send single-chip microcomputer IC after carrying out adjusting at signal amplification and zero point 1Carry out A/D conversion and processing.
Phonological component among Fig. 2: by buzzer LS 1, triode Q 1, resistance R 28, R 29, R 101, light emitting diode IC 1The 34th pin and resistance R 28The other end and triode Q 1B end link to each other Q 1C end link to each other Q with 6 volts of power supplys 1E end and buzzer LS 1Anode link to each other LS 1Negative electrode and resistance R 29Link to each other R 29The other end link to each other with power supply ground.IC 1The 3rd pin connecting resistance R 101, R 101Other end sending and receiving optical diode LED 1, LED 1Another termination power ground.
Single-chip microcomputer IC 1I/O mouth 34 pin output impulse level through resistance R 28Control triode Q after the current limliting 1Conducting with end triode Q 1E end and buzzer LS 1Buzzer will send and the corresponding sound of pulse frequency, if high level that the output of 34 pin of single-chip microcomputer is constant or low level be the triode Q1 state that will be in permanent conducting or end so, make the pulseless electric current of buzzer flow through and do not send sound, 29 metering functions of resistance R.
Gas leakage detects among Fig. 4: by amplifier IC 9, gas sensing resistance R 32, potentiometer RF 4, resistance R 33, R 34, R 36, R 37, R 103Deng composition.
Gas sensing resistance R 32Respectively with resistance R 34, R 36Link to each other 6 volts of power supplys of another termination, R 34Another termination power ground, R 36The other end and IC 9The 3rd pin link to each other RF 4The 1st pin and resistance R 103Another termination power ground, RF 4The 2nd pin and resistance R 33Link to each other R 336 volts of power supplys of another termination, IC 9The 1st pin and IC 121 pin link to each other;
Gas sensing resistance R 32With resistance R 34Carry out dividing potential drop, voltage division signal is through resistance R 31Send amplifier IC 9Comparison input 3 pin, resistance R 33, RK 4, R 103Press and carry common comparative voltage and send amplifier IC 9The relatively input other end 2 pin, just often: IC 93 pin voltages be lower than 2 pin voltages, be lower than 2 pin voltages, IC 91 pin output low level, the resistance of gas sensing resistance will reduce IC as when gas leakage 93 pin voltages raise, when being higher than IC 92 pin the time IC 91 pin will export high level and give three nor gate CD 40251 pin, three nor gate CD 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply, potentiometer RF 4Be for triode Q 12Adhesive, alarm work is cut off the electricity supply, potentiometer RF 4Be in order to regulate the sensitivity that gas leakage detects.
Sparking low pressure detects by amplifier IC among Fig. 5 10, battery B 1, resistance R 41, R 42, R 43, R 44Form;
Battery B 1Positive pole and resistance R 44Link to each other R 44The other end and IC 10The 2nd pin link to each other IC 10The 3rd pin and resistance R 43Link to each other R 43The other end hinder R with the people respectively 41, R 42Link to each other R 42Other end ground connection, R 416 volts of positive supplies of another termination, IC 10The 1st pin meet IC 1The 16th pin.
Amplifier IC 10With resistance R 41, R 42, R 43, R 44And sparking dry cell B 1Constitute comparator, R 41, R 42Carrying out dividing potential drop provides comparison reference voltage, and the 1st pin of IC10 will be exported high level and give three nor gate CD when cell voltage is lower than this reference voltage 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply.
Output control part among Fig. 3: by optocoupler IC 11, IC 12, IC 13, resistance R 25, R 19, R 26, R 27, R 23, R 24, triode Q 7, relay K 1, magnetic valve L 1, battery B 1, switch S 17, S 18, motor drive ic IC 14, motor M 1, sparking pulse generating circuit IC 15Form.
(1) left road igniting: IC 140 pin connecting resistance R 25, R 25The other end and optocoupler IC 11The 2nd pin link to each other IC 11The 1st pin meet 6 volts of power supplys, IC 11The 6th pin meet 12 volts of power supplys, IC 11The 5th pin connecting resistance R 19, R 19Another termination triode Q 7B end, Q 7C termination 12 power supplys, Q 7E relay termination K 1Control end, K 1The other end ground connection of control, K 1Controlled end switch 1, one termination 12 power supplys, another termination magnetic valve L 1, L 1Other end ground connection, K 1Controlled end switch 1, one termination 12 power supplys, another termination magnetic valve L 1, L 1Other end ground connection, K 1Controlled end switch 2, one termination enclosure ground, another termination battery B 1Anode, B 1Negative terminal pulse firing generator IC 15Control end.
Optocoupler IC when 40 pin of single-chip microcomputer are exported high level 11The 2nd pin and the 1st pin no-voltage poor, the 5th pin of optocoupler makes triode Q with output low level 7End relay K 1Disconnect magnetic valve L 1No current is closed combustion gas and is also made sparking drive chip IC simultaneously 15Power supply disconnect and not strike sparks;
Optocoupler IC when 40 pin output low levels of single-chip microcomputer 11The 2nd pin and the 1st pin do not have conducting, the 5th pin of optocoupler will be exported high level and make triode Q 7Conducting, relay K 1Adhesive magnetic valve L 1There is electric current to flow through to close combustion gas also to make sparking drive chip IC simultaneously 15Power connection begin the sparking;
(2) left road big fire: IC 139 pin connecting resistance R 26, R 26Another termination optocoupler IC 12The 2nd pin, IC 12The 1st pin meet 6 volts of power supplys, IC 12The 6th pin meet 12 volts of power supplys, IC 12The 5th pin connecting resistance R 23, R 23Another termination switch S A 17The 1st pin, S 17The 2nd pin and IC 14The 2nd pin link to each other S 17The 3rd pin ground connection, IC 14The 7th, 8 pin connect the input of motor M 1 respectively.
(3) the little fire in left road: IC 138 pin connecting resistance R 27, R 27Another termination optocoupler IC 13The 2nd pin, ICA 13The 1st pin meet 6 volts of power supplys, IC 13The 6th pin meet 12 volts of power supplys, IC 13The 5th pin connecting resistance R 24, R 24Another termination switch S 18The 1st pin, S 18The 1st pin, S 18The 2nd pin meet IC 14The 3rd pin, S 18The 3rd pin ground connection;
As single-chip microcomputer IC 1The 38th pin output high level the time optocoupler IC 13The 2nd pin and the 1st pin no-voltage poor, the 5th pin of optocoupler will be exported high level and send motor drive ic IC 14The 3rd pin, motor attonity at this moment;
As single-chip microcomputer IC 1The 38th pin output low level the time optocoupler IC 13The 2nd pin and the 1st pin conducting, the 5th pin of optocoupler will be exported high level through current-limiting resistance R 24And switch S 18After send motor drive ic IC 14The 3rd pin, at this moment motor rotates when arriving maximum and will make switch S 18Disconnect IC 14The 3rd pin will be low level, motor stops.
(4) the right wing output control part is identical with each line of left road output control part.
Display part among Fig. 1: be made up of charactron and light emitting diode, 14,15,18,19,20,21 of single-chip microprocessor MCU is passed through 6 1K resistance R respectively 1-R 6With triode Q 1-Q 6Base stage link to each other.Triode Q1-Q 6The emitter stage back that connects together link to each other with+6V power supply by one 10 Europe resistance.Triode Q 1-Q 4Colelctor electrode receive four control ends of charactron respectively.Light emitting diode D 21-D 28Anode meet triode Q after connecting together 5Colelctor electrode; Light emitting diode D 2-D 6Anode meet triode Q after connecting together 6Colelctor electrode.The data port a of charactron, b, c, d, e, f, g, Dp are respectively by resistance R 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 21-D 28Negative electrode also respectively by resistance R 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 21-D 28Negative electrode also pass through resistance R respectively 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 2-D 6Cloudy machine also pass through resistance R respectively 7-R 11Link to each other with 1 to 5 pin of single-chip microcomputer.
Infrared no pot detects partly among Fig. 6: infrared no pot test section is made up of with receiving unit the infrared emission part: the infrared emission part is by 555 timers, R 47, R 48, C 12, C 22The oscillating circuit and the infrared transmitting tube D that form 19Resistance R 49Form.8,4 pin of 555 timers connect together and connect+the 6V power supply.After connecting together, 2,6 pin of 555 timers connect 100K resistance R 48,7 pin of another termination 555 timers of R48.2,6 pin of 555 timers connect together 0.1u electric capacity to ground.+ 6V power supply connects 7 pin that 555 timers are also linked in 100 Mian resistance.3 pin of 555 timers connect resistance R 49Output signal is to infrared transmitting tube D 19
Infrared receiving unit is by integrated receiver U 8, not gate CD 4069, resistance R 46, capacitor C 9, C 10, diode D 15Form.
U 8The 2nd pin meet 6 volts of positive supplies, U 8The 3rd pin meet power supply ground, U 8The 1st pin link to each other C with capacitor C 9 9The other end and a not gate U 11The output of A and diode D 22Anode link to each other.Diode D 22A negative electrode and a not gate U 11The input of B links to each other, also with capacitor C 10Link to each other capacitor C 10Other end ground connection.Not gate U 118An output and a not gate U 11The input of C links to each other, and also passes through resistance R 40Link to each other with light emitting diode.If detect less than pot not gate U 11The output output high level of C is given two nor gate CD 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply.
Described power unit: after the filtering of transformer step-down rectifier, export positive 6 volts of power supplys, positive 12 power supplys by 220 volts of alternating currents, positive 40 volts of power supplys and ground end, positive 6 volts of power supplys respectively with IC 1The 10th, 30 pin, IC 21 pin, IC 41 pin, IC 16The 1st pin, IC 5The 8th pin, IC 6The 8th pin.

Claims (11)

1. novel intelligent gas-burning stove, it is characterized in that: a gas-cooker is arranged, and gas-cooker is provided with a pot frame, and the pot frame is provided with igniter by the front end of gas-cooker; The panel front end of gas-cooker is provided with control panel, and the surperficial front end of control panel is supervisory keyboard, a gas-cooker is arranged, and gas-cooker is provided with a pot frame, and the pot frame is provided with igniter by the front end of gas-cooker; The panel front end of gas-cooker is provided with control panel, and the surperficial front end of control panel is supervisory keyboard, display and shakes control reception inductor, control panel front end inside; Computerized control system is installed; Also be provided with temperature sense head and gas leakage inductor on the panel of gas-cooker.
2. novel intelligent gas-burning stove, it is characterized in that: the intelligent gas-burning stove schematic circuit is with single-chip microcomputer IC 1For the external part of core controller has: keyboard circuit part, temperature survey part, phonological component, gas leakage detection, the detection of sparking low pressure, output control part, display part, no pot test section, power unit functional unit are formed.
3. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described keyboard circuit part: by micro controller IC 1, button S 1, S 2, S 3, S 4, S 5, S 6, S 7, S 8, S 9, S 10, S 11, S 12, S 13, S 14, S 15, S 16, resistance R 15, R 16, R 17, R 18Form;
IC 122 pin and button S 4, S 3, S 2, S 1An end link to each other S 4The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 3The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 2The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other S 1The other end of button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 123 pin and button S 8, S 7, S 6, S 5An end link to each other S 8The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 7The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 6The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other S 5The other end of button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 124 pin and button S 12, S 11, S 10, S 9An end link to each other S 12The other end of button and resistance R 18An end link to each other R 18The other end and IC 126 pin link to each other S 7The other end of button and resistance R 17An end link to each other R 17The other end and IC 127 pin link to each other S 10The other end of button and resistance R 16An end link to each other R 18The other end and IC 128 pin link to each other the other end of S9 button and resistance R 15An end link to each other R 15The other end and IC 129 pin link to each other;
IC 125 pin and switch S 16, S 15, S 14, S 13An end link to each other S 16The other end of switch and resistance R 18The other end and IC 128 pin link to each other S 11The other end of switch and resistance R 15An end link to each other R 15An end link to each other R 15The other end and IC 129 pin link to each other;
Button S 1Be setting key, but setting-up time, temperature, and select the control button; Button S 2Be time key, the selection of can be used as the display mode conversion of time and clock, minute setting; Button S 3Be the temperature key, can be used as the conversion of temperature display mode and the setting of boiling temperature and select; Button S 4Be options button, can be used as the selection of job category; Button S 5Be the programming key, the setting that is available as timing working has S with the key that uses that matches with it 6Home key, S 7End key, S 3(S 12) acknowledgement key, S 10Increase key, S 11Reduce key; Button S 9Be start key, can be used for starting and regularly reach the function of manually cooking; Button S13 is a power key, can be used as the Kai Heguan of line power; Button S 14, S 15Be big or small key, can control the size of another kitchen range top combustion gas; Button S 16Be Guan Huojian, can control the shutoff of another kitchen range top combustion gas.
4. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described temperature survey part: by microcontroller IC 1, amplifier IC 5, IC 6, thermistor RF 2, locator RF 1, RF 3, resistance R 30, R 31, R 32, electrochemical capacitor C 9, capacitor C 7, C 8Form;
Thermistor RF 2One end links to each other with power supply ground; The other end respectively with R 31, amplifier IC 5The 3rd pin link to each other R 31The other end and IC 6Crus secunda link to each other; IC 6The 3rd pin respectively with locator RF 3The 1st pin, RF 1The 3rd pin link to each other RF 3The 2nd pin respectively with RF 3The 3rd pin, IC 6The 1st pin, IC 1The 33rd pin link to each other RF 1The 1st pin link to each other RF with power supply ground 1The 2nd pin and R 32The other end link to each other with 6 volts of power supplys;
Thermistor RF 2With resistance R 31Form bleeder circuit, RF 2With the also corresponding change of variation of temperature resistance, amplifier IC 5Carry out voltage follow and pass through R 30Send into amplifier IC 6Send single-chip microcomputer IC after carrying out adjusting at signal amplification and zero point 1Carry out A/D conversion and processing.
5. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described phonological component: by buzzer LS 1, triode Q 1, resistance R 28, R 29, R 101, light emitting diode IC 1The 34th pin and resistance R 28The other end and triode Q 1B end link to each other Q 1C end link to each other Q with 6 volts of power supplys 1E end and buzzer LS 1Anode link to each other LS 1Negative electrode and resistance R 29Link to each other R 29The other end link to each other with power supply ground; IC 1The 3rd pin connecting resistance R 101, R 101Other end sending and receiving optical diode LED 1, LED 1Another termination power ground;
Single-chip microcomputer IC 1I/O mouth 34 pin output impulse level through resistance R 28Control triode Q after the current limliting 1Conducting with end triode Q 1E end and buzzer LS 1Buzzer will send and the corresponding sound of pulse frequency, if high level that the output of 34 pin of single-chip microcomputer is constant or low level be the triode Q1 state that will be in permanent conducting or end so, make the pulseless electric current of buzzer flow through and do not send sound, 29 metering functions of resistance R.
6. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described gas leakage detects: by amplifier IC 9, gas sensing resistance R 32, potentiometer RF 4, resistance R 33, R 34, R 36, R 37, R 103Deng composition;
Gas sensing resistance R 32Respectively with resistance R 34, R 36Link to each other 6 volts of power supplys of another termination, R 34Another termination power ground, R 36The other end and IC 9The 3rd pin link to each other RF 4The 1st pin and resistance R 103Another termination power ground, RF 4The 2nd pin and resistance R 33Link to each other R 336 volts of power supplys of another termination, IC 9The 1st pin and IC 121 pin link to each other;
Gas sensing resistance R 32With resistance R 34Carry out dividing potential drop, voltage division signal is through resistance R 31Send amplifier IC 9Comparison input 3 pin, resistance R 33, RK 4, R 103Press and carry common comparative voltage and send amplifier IC 9The relatively input other end 2 pin, just often: IC 93 pin voltages be lower than 2 pin voltages, be lower than 2 pin voltages, IC 91 pin output low level, the resistance of gas sensing resistance will reduce 1C as when gas leakage 93 pin voltages raise, when being higher than IC 92 pin the time IC 91 pin will export high level and give three nor gate CD 40251 pin, three nor gate CD 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply, potentiometer RF 4Be for triode Q 12Adhesive, alarm work is cut off the electricity supply, potentiometer RF 4Be in order to regulate the sensitivity that gas leakage detects.
7. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described sparking low pressure detects by amplifier IC 10, battery B 1, resistance R 41, R 42, R 43, R 44Form;
Battery B 1Positive pole and resistance R 44Link to each other R 44The other end and IC 10The 2nd pin link to each other IC 10The 3rd pin and resistance R 43Link to each other R 43The other end hinder R with the people respectively 41, R 42Link to each other R 42Other end ground connection, R 416 volts of positive supplies of another termination, IC 10The 1st pin meet IC 1The 16th pin;
Amplifier IC 10With resistance R 41, R 42, R 43, R 44And sparking dry cell B 1Constitute comparator, R 41, R 42Carrying out dividing potential drop provides comparison reference voltage, and the 1st pin of IC10 will be exported high level and give three nor gate CD when cell voltage is lower than this reference voltage 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply.
8. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described output control part: by optocoupler IC 11, IC 12, IC 13, resistance R 25, R 19, R 26, R 27, R 23, R 24, triode Q 7, relay K 1, magnetic valve L 1, battery B 1, switch S 17, S 18, motor drive ic IC 14, motor M 1, sparking pulse generating circuit IC 15Form;
(1) left road igniting: IC 140 pin connecting resistance R 25, R 25The other end and optocoupler IC 11The 2nd pin link to each other IC 11The 1st pin meet 6 volts of power supplys, IC 11The 6th pin meet 12 volts of power supplys, IC 11The 5th pin connecting resistance R 19, R 19Another termination triode Q 7B end, Q 7C termination 12 power supplys, Q 7E relay termination K 1Control end, K 1The other end ground connection of control, K 1Controlled end switch 1, one termination 12 power supplys, another termination magnetic valve L 1, L 1Other end ground connection, K 1Controlled end switch 1, one termination 12 power supplys, another termination magnetic valve L 1, L 1Other end ground connection, K 1Controlled end switch 2, one termination enclosure ground, another termination battery B 1Anode, B 1Negative terminal pulse firing generator IC 15Control end;
Optocoupler IC when 40 pin of single-chip microcomputer are exported high level 11The 2nd pin and the 1st pin no-voltage poor, the 5th pin of optocoupler makes triode Q with output low level 7End relay K 1Disconnect magnetic valve L 1No current is closed combustion gas and is also made sparking drive chip IC simultaneously 15Power supply disconnect and not strike sparks;
Optocoupler IC when 40 pin output low levels of single-chip microcomputer 11The 2nd pin and the 1st pin do not have conducting, the 5th pin of optocoupler will be exported high level and make triode Q 7Conducting, relay K 1Adhesive magnetic valve L 1There is electric current to flow through to close combustion gas also to make sparking drive chip IC simultaneously 15Power connection begin the sparking;
(2) left road big fire: IC 139 pin connecting resistance R 26, R 26Another termination optocoupler IC 12The 2nd pin, IC 12The 1st pin meet 6 volts of power supplys, IC 12The 6th pin meet 12 volts of power supplys, IC 12The 5th pin connecting resistance R 23, R 23Another termination switch S A 17The 1st pin, S 17The 2nd pin and IC 14The 2nd pin link to each other S 17The 3rd pin ground connection, IC 14The 7th, 8 pin connect the input of motor M 1 respectively;
(3) the little fire in left road: IC 138 pin connecting resistance R 27, R 27Another termination optocoupler IC 13The 2nd pin, ICA 13The 1st pin meet 6 volts of power supplys, IC 13The 6th pin meet 12 volts of power supplys, IC 13The 5th pin connecting resistance R 24, R 24Another termination switch S 18The 1st pin, S 18The 1st pin, S 18The 2nd pin meet IC 14The 3rd pin, S 18The 3rd pin ground connection;
As single-chip microcomputer IC 1The 38th pin output high level the time optocoupler IC 13The 2nd pin and the 1st pin no-voltage poor, the 5th pin of optocoupler will be exported high level and send motor drive ic IC 14The 3rd pin, motor attonity at this moment;
As single-chip microcomputer IC 1The 38th pin output low level the time optocoupler IC 13The 2nd pin and the 1st pin conducting, the 5th pin of optocoupler will be exported high level through current-limiting resistance R 24And switch S 18After send motor drive ic IC 14The 3rd pin, at this moment motor rotates when arriving maximum and will make switch S 18Disconnect IC 14The 3rd pin will be low level, motor stops;
(4) the right wing output control part is identical with each line of left road output control part.
9. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described display part: be made up of charactron and light emitting diode, 14,15,18,19,20,21 of single-chip microprocessor MCU is passed through 6 1K resistance R respectively 1-R 6With triode Q 1-Q 6Base stage link to each other.Triode Q1-Q 6The emitter stage back that connects together link to each other with+6V power supply by one 10 Europe resistance.Triode Q 1-Q 4Colelctor electrode receive four control ends of charactron respectively.Light emitting diode D 21-D 28Anode meet triode Q after connecting together 5Colelctor electrode; Light emitting diode D 2-D 6Anode meet triode Q after connecting together 6Colelctor electrode.The data port a of charactron, b ... f, g, Dp are respectively by resistance R 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 21-D 28Negative electrode also respectively by resistance R 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 21-D 28Negative electrode also pass through resistance R respectively 7-R 14Link to each other with 1 to 8 pin of single-chip microcomputer.Light emitting diode D 2-D 6Cloudy machine also pass through resistance R respectively 7-R 11Link to each other with 1 to 5 pin of single-chip microcomputer.
10. a kind of novel intelligent gas-burning stove according to claim 2 is characterized in that: described infrared no pot detects partly: infrared no pot test section is made up of with receiving unit the infrared emission part: the infrared emission part is by 555 timers, R 47, R 48, C 12, C 22The oscillating circuit and the infrared transmitting tube D that form 19Resistance R 49Form;
8,4 pin of 555 timers connect together and connect+the 6V power supply.After connecting together, 2,6 pin of 555 timers connect 100K resistance R 48,7 pin of another termination 555 timers of R48.2,6 pin of 555 timers connect together 0.1u electric capacity to ground.+ 6V power supply connects 7 pin that 555 timers are also linked in 100 Mian resistance.3 pin of 555 timers connect resistance R 49Output signal is to infrared transmitting tube D 19Infrared receiving unit is by integrated receiver U 8, not gate CD 4069, resistance R 46, capacitor C 9, C 10, diode D 15Form;
U 8The 2nd pin meet 6 volts of positive supplies, U 8The 3rd pin meet power supply ground, U 8The 1st pin link to each other C with capacitor C 9 9The other end and a not gate U 11The output of A and diode D 22Anode link to each other.Diode D 22A negative electrode and a not gate U 11The input of B links to each other, also with capacitor C 10Link to each other capacitor C 10Other end ground connection.Not gate U 118An output and a not gate U 11The input of C links to each other, and also passes through resistance R 40Link to each other with light emitting diode.If detect less than pot not gate U 11The output output high level of C is given two nor gate CD 40251 pin, three nor gate CD 40259 pin pass through R 40With triode Q 12Link to each other 9 pin output low levels, Q 12Conducting, relay K 2Adhesive, alarm work is cut off the electricity supply.
11. a kind of novel intelligent gas-burning stove according to claim 2, it is characterized in that: described power unit: by 220 volts of alternating currents after the filtering of transformer step-down rectifier, export positive 6 volts of power supplys, positive 12 power supplys, positive 40 volts of power supplys and ground end, positive 6 volts of power supplys respectively with IC 1The 10th, 30 pin, IC 21 pin, IC 41 pin, IC 16The 1st pin, IC 5The 8th pin, IC 6The 8th pin.
CN 02254767 2002-09-23 2002-09-23 Intelligent gas range (3) Expired - Fee Related CN2577149Y (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108806569A (en) * 2018-06-13 2018-11-13 任志广 A kind of digital display module
CN109827199A (en) * 2017-11-23 2019-05-31 华帝股份有限公司 Ignition device with alarm function for gas stove and ignition control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827199A (en) * 2017-11-23 2019-05-31 华帝股份有限公司 Ignition device with alarm function for gas stove and ignition control method
CN108806569A (en) * 2018-06-13 2018-11-13 任志广 A kind of digital display module

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