CN100549534C - Household gas kitchen range operation controller - Google Patents

Household gas kitchen range operation controller Download PDF

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Publication number
CN100549534C
CN100549534C CNB2007101560621A CN200710156062A CN100549534C CN 100549534 C CN100549534 C CN 100549534C CN B2007101560621 A CNB2007101560621 A CN B2007101560621A CN 200710156062 A CN200710156062 A CN 200710156062A CN 100549534 C CN100549534 C CN 100549534C
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China
Prior art keywords
pin
resistance
display screen
fluorescent display
phase inverter
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Expired - Fee Related
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CNB2007101560621A
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Chinese (zh)
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CN101140080A (en
Inventor
高明煜
曾毓
吕新潮
朱红娟
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Hangzhou Dianzi University
Hangzhou Electronic Science and Technology University
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Hangzhou Electronic Science and Technology University
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Priority to CNB2007101560621A priority Critical patent/CN100549534C/en
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Publication of CN100549534C publication Critical patent/CN100549534C/en
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Abstract

The present invention relates to a kind of actuation means that is used for household gas utensils.The mechanical life of the operation push-button of present intelligent gas kitchen range is shorter, and display effect is bad simultaneously.The present invention includes single-chip microcomputer, induction type button, oscillating circuit, half-wave rectifying circuit, DC/DC booster circuit, fluorescent display screen and fluorescent display screen drive circuit.Oscillating circuit is connected with half-wave rectifying circuit, and half-wave rectifying circuit is connected with single-chip microcomputer with the fluorescent display screen drive circuit, and the induction type button is connected with half-wave rectifying circuit, and the DC/DC booster circuit all is connected with the fluorescent display screen drive circuit with fluorescent display screen.When the present invention adopts the induction type button, detect the AD conversion value that descends by single-chip microcomputer, judging has key to press, and by fluorescent display screen display operation state.Fluorescent display screen brightness is higher, and clear display adopts the non-contact inductive button also to improve the service life of intelligent kitchen range greatly simultaneously.

Description

Household gas kitchen range operation controller
Technical field
The present invention relates to a kind of control device, specifically is a kind of actuation means that is used for household gas utensils.
Background technology
The kitchen gas stove tool is indispensable household appliances in people's daily life, but its structure does not almost change in decades, and it is unique product of also not realizing electrified and Based Intelligent Control in present all household appliances.Therefore be necessary to introduce technology such as microprocessor and automatic control, it is intelligent that gas kitchen ranges is realized, hots plate labour intensity thereby alleviate, and improves cooking quality and security.The conventional domestic gas kitchen ranges all adopts rotary switch to regulate the combustion gas size, and the shortcoming of this rotary switch is that kitchen range clean inconvenience, and it is attractive in appearance to influence kitchen range; Traditional in addition kitchen range all can't be realized hotting plate regularly, and lack necessary kitchen range condition prompting information.
The operation push-button of at present existing intelligent gas kitchen range all adopts mechanical touch-switch (PANASONIC kitchen range) or PVC thin film switch, and these two kinds of switches all are subjected to the restriction of mechanical life, and also easily water inlet caused switch or circuit to damage when kitchen range cleaned in addition.The display mode of intelligent gas kitchen range all adopts LED (charactron) or LCD (LCD) to show at present.The advantage of LED is the brightness height, shows relatively difficulty but shortcoming is a figure; The advantage that LCD shows is that figure shows convenient, but that shortcoming is brightness is dark, and the visual angle is little, is not suitable for the elderly and uses.
Summary of the invention
Purpose of the present invention overcomes the deficiencies in the prior art exactly, the actuation means that provides a kind of novel household gas utensils to use.
The present invention includes single-chip microcomputer, induction type button, oscillating circuit, half-wave rectifying circuit, DC/DC booster circuit, fluorescent display screen and fluorescent display screen drive circuit.
Oscillating circuit comprises phase inverter CD4069, crystal oscillator X, opens the resistance R of shaking 1, open the capacitor C of shaking 1And C 2Open the capacitor C of shaking 1And C 2Series connection back with open the resistance R of shaking 1With crystal oscillator X parallel connection, the end after the parallel connection is connected with 1 pin of phase inverter CD4069, and the other end is connected with 3 pin with 2 pin of phase inverter CD4069; 4 pin of phase inverter CD4069 are connected with 5 pin, 7 pin, 9 pin, 11 pin, 13 pin ground connection, and 8 pin, 10 pin, 12 pin are unsettled, and 14 pin connect+the 4V power supply.
Half-wave rectifying circuit comprises one-level coupling capacitance C 3, secondary coupling capacitance C 4, filter capacitor C 5, discharge diode D 1And D 3, commutation diode D 2, divider resistance R 2, discharge resistance R 3One-level coupling capacitance C 3An end and phase inverter CD4069) 6 pin be connected, the other end respectively with induction type button 7, divider resistance R 2An end, discharge diode D 3Positive pole and secondary coupling capacitance C 4An end connect; Divider resistance R 2Other end ground connection, discharge diode D 3Negative pole be connected secondary coupling capacitance C with+4V power supply 4The other end respectively with discharge diode D 1Negative pole and commutation diode D 2Positive pole connect; Discharge diode D 1Plus earth, commutation diode D 2Negative pole respectively with single-chip microcomputer, filter capacitor C 5An end and discharge resistance R 3An end connect filter capacitor C 5The other end and discharge resistance R 3Other end ground connection.
The DC/DC booster circuit comprises DC/DC control chip MC33063, boost inductance L 1, commutation diode D boosts 4, oscillating capacitance C 6, current sampling resistor R 4, the voltage sample resistance R 5, feedback resistance R 6And R 7, input filter capacitor E 1, output filter capacitor E 2And E 31 pin of DC/DC control chip MC33063 and the commutation diode D that boosts 4Positive pole and boost inductance L 1An end connect; Commutation diode D boosts 4Negative pole respectively with output filter capacitor E 2And E 3Positive pole and feedback resistance R 7An end connect output filter capacitor E 2And E 3Minus earth; Feedback resistance R 7The other end respectively with 5 pin and the feedback resistance R of DC/DC control chip MC33063 6An end connect feedback resistance R 6Other end ground connection; Boost inductance L 1The other end respectively with current sampling resistor R 4, the voltage sample resistance R 5An end and 7 pin of DC/DC control chip MC33063 be connected the voltage sample resistance R 5The other end be connected current sampling resistor R with 8 pin of DC/DC control chip MC33063 4The other end respectively with+12V power supply, input filter capacitor E 1Positive pole and 6 pin of DC/DC control chip MC33063 be connected; Input filter capacitor E 1Negative pole, 2 pin and the 4 pin ground connection of DC/DC control chip MC33063; Oscillating capacitance C 6An end be connected other end ground connection with 3 pin of DC/DC control chip MC33063.
The fluorescent display screen drive circuit comprises Darlington phase inverter ULN2003, eight anodic control triode Q 1～Q 8, six grid control triode Q 9～Q 14, filament control triode Q 15, 15 base drive resistance R 8～R 15, R 16～R 21And R 36, 14 pull-up resistor R 22～R 29And R 30～R 35Filament control triode Q 15Colelctor electrode be connected with an end of the filament of fluorescent display screen, the other end of filament is connected base stage and base drive resistance R with+4V power supply 36An end connect the base drive resistance R 36The other end be connected grounded emitter with single-chip microcomputer; The anode that the colelctor electrode of each anodic control triode is corresponding with fluorescent display screen respectively connects, and corresponding with the fluorescent display screen respectively grid of colelctor electrode of each grid control triode connects; The base stage of each anodic control triode respectively with corresponding base drive resistance R 8～R 15An end connect, the base stage of each grid control triode respectively with corresponding base drive resistance R 16～R 21An end connect all base drive resistance R 8～R 15And R 16～R 21The other end respectively with corresponding pull-up resistor R 22～R 29And R 30～R 35An end, and the output pin of Darlington phase inverter ULN2003 correspondence connects, the input pin of Darlington phase inverter ULN2003 is connected with single-chip microcomputer; The emitter stage of each anodic control triode and each grid control triode, and all pull-up resistor R 22～R 29And R 30～R 35The other end all with the commutation diode D that boosts of DC/DC booster circuit 4Negative pole connect.
The present invention is when pointing near the induction type button, because human body has certain capacitance, the output DC drops of corresponding half-wave rectifying circuit, the AD conversion mouth of the magnitude of voltage input single-chip microcomputer of this decline, the AD conversion value diminishes, detect the AD conversion value that descends by single-chip microcomputer, judging has key to press, and carries out relevant operation.Control the bright of fluorescent display screen with dark by filament control triode, the control displaying contents is brought in the input of Darlington phase inverter, by fluorescent display screen display operation state.Fluorescent display screen brightness is higher, clear display, and the present invention simultaneously adopts the non-contact inductive button also to improve the service life of intelligent kitchen range greatly.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the schematic diagram of oscillating circuit among Fig. 1, half-wave rectifying circuit and induction type button;
Fig. 3 is the schematic diagram of DC/DC booster circuit among Fig. 1;
Fig. 4 is the schematic diagram of fluorescent display screen drive circuit among Fig. 1.
The specific embodiment
As shown in Figure 1, household gas kitchen range operation controller comprises single-chip microcomputer 3, induction type button 7, oscillating circuit 1, half-wave rectifying circuit 2, DC/DC booster circuit 4, fluorescent display screen 5 and fluorescent display screen drive circuit 6.
As shown in Figure 2, oscillating circuit comprises phase inverter CD4069, crystal oscillator X, opens the resistance R of shaking 1, open the capacitor C of shaking 1And C 2Open the capacitor C of shaking 1And C 2Series connection back with open the resistance R of shaking 1With crystal oscillator X parallel connection, the end after the parallel connection is connected with 1 pin of phase inverter CD4069, and the other end is connected with 3 pin with 2 pin of phase inverter CD4069; 4 pin of phase inverter CD4069 are connected with 5 pin, 7 pin, 9 pin, 11 pin, 13 pin ground connection, and 8 pin, 10 pin, 12 pin are unsettled, and 14 pin connect+the 4V power supply.
Half-wave rectifying circuit comprises one-level coupling capacitance C 3, secondary coupling capacitance C 4, filter capacitor C 5, discharge diode D 1And D 3, commutation diode D 2, divider resistance R 2, discharge resistance R 3One-level coupling capacitance C 3An end and phase inverter CD4069) 6 pin be connected, the other end respectively with induction type button 7, divider resistance R 2An end, discharge diode D 3Positive pole and secondary coupling capacitance C 4An end connect; Divider resistance R 2Other end ground connection, discharge diode D 3Negative pole be connected secondary coupling capacitance C with+4V power supply 4The other end respectively with discharge diode D 1Negative pole and commutation diode D 2Positive pole connect; Discharge diode D 1Plus earth, commutation diode D 2Negative pole respectively with single-chip microcomputer, filter capacitor C 5An end and discharge resistance R 3An end connect filter capacitor C 5The other end and discharge resistance R 3Other end ground connection.
As shown in Figure 3, the DC/DC booster circuit comprises DC/DC control chip MC33063, boost inductance L 1, commutation diode D boosts 4, oscillating capacitance C 6, current sampling resistor R 4, the voltage sample resistance R 5, feedback resistance R 6And R 7, input filter capacitor E 1, output filter capacitor E 2And E 31 pin of DC/DC control chip MC33063 and the commutation diode D that boosts 4Positive pole and boost inductance L 1An end connect; Commutation diode D boosts 4Negative pole respectively with output filter capacitor E 2And E 3Positive pole and feedback resistance R 7An end connect output filter capacitor E 2And E 3Minus earth; Feedback resistance R 7The other end respectively with 5 pin and the feedback resistance R of DC/DC control chip MC33063 6An end connect feedback resistance R 6Other end ground connection; Boost inductance L 1The other end respectively with current sampling resistor R 4, the voltage sample resistance R 5An end and 7 pin of DC/DC control chip MC33063 be connected the voltage sample resistance R 5The other end be connected current sampling resistor R with 8 pin of DC/DC control chip MC33063 4The other end respectively with+12V power supply, input filter capacitor E 1Positive pole and 6 pin of DC/DC control chip MC33063 be connected; Input filter capacitor E 1Negative pole, 2 pin and the 4 pin ground connection of DC/DC control chip MC33063; Oscillating capacitance C 6An end be connected other end ground connection with 3 pin of DC/DC control chip MC33063.
As shown in Figure 4, the fluorescent display screen drive circuit comprises Darlington phase inverter ULN2003, eight anodic control triode Q 1～Q 8, six grid control triode Q 9～Q 14, filament control triode Q 15, 15 base drive resistance R 8～R 15, R 16～R 21And R 36, 14 pull-up resistor R 22～R 29And R 30～R 35Filament control triode Q 15Colelctor electrode be connected with an end of the filament of fluorescent display screen, the other end of filament is connected base stage and base drive resistance R with+4V power supply 36An end connect the base drive resistance R 36The other end be connected grounded emitter with single-chip microcomputer; The anode that the colelctor electrode of each anodic control triode is corresponding with fluorescent display screen respectively connects, and corresponding with the fluorescent display screen respectively grid of colelctor electrode of each grid control triode connects; The base stage of each anodic control triode respectively with corresponding base drive resistance R 8～R 15An end connect, the base stage of each grid control triode respectively with corresponding base drive resistance R 16～R 21An end connect all base drive resistance R 8～R 15And R 16～R 21The other end respectively with corresponding pull-up resistor R 22～R 29And R 30～R 35An end, and the output pin of Darlington phase inverter ULN2003 correspondence connects, the input pin of Darlington phase inverter ULN2003 is connected with single-chip microcomputer; The emitter stage of each anodic control triode and each grid control triode, and all pull-up resistor R 22～R 29And R 30～R 35The other end all with the commutation diode D that boosts of DC/DC booster circuit 4Negative pole connect.
The course of work of apparatus of the present invention: when+12V power supply is connected in current sampling resistor R 4The other end time, commutation diode D boosts 4Negative pole output+25V voltage ,+4V power supply is connected in 14 pin of phase inverter CD4069 and the other end of fluorescent display screen filament, this moment commutation diode D 2Negative pole output+2V about voltage, fluorescent display screen goes out, when key is pressed, commutation diode D 2The magnitude of voltage of negative pole output descends, after single-chip microcomputer detects this value decline, and the base drive resistance R 36Other end output high level, filament control triode Q 15Conducting, fluorescent display screen is bright, and the input of Darlington phase inverter ULN2003 is imported corresponding high-low level, and fluorescent display screen shows corresponding state.

Claims (1)

1, household gas kitchen range operation controller comprises single-chip microcomputer (3), induction type button (7), oscillating circuit (1), half-wave rectifying circuit (2), DC/DC booster circuit (4), fluorescent display screen (5) and fluorescent display screen drive circuit (6), it is characterized in that:
Oscillating circuit comprises phase inverter, crystal oscillator X, opens the resistance R of shaking 1, open the capacitor C of shaking 1With open the capacitor C of shaking 2The described capacitor C of shaking that opens 1With open the capacitor C of shaking 2Series connection back with open the resistance R of shaking 1With crystal oscillator X parallel connection, the end after the parallel connection is connected with 1 pin of phase inverter, and the other end is connected with 3 pin with 2 pin of phase inverter; 4 pin of phase inverter are connected with 5 pin, 7 pin, 9 pin, 11 pin, 13 pin ground connection, and 8 pin, 10 pin, 12 pin are unsettled, and 14 pin connect+the 4V power supply;
Half-wave rectifying circuit comprises one-level coupling capacitance C 3, secondary coupling capacitance C 4, filter capacitor C 5, discharge diode D 1With discharge diode D 3, commutation diode D 2, divider resistance R 2, discharge resistance R 3Described one-level coupling capacitance C 3An end be connected with 6 pin of described phase inverter, the other end respectively with induction type button (7), divider resistance R 2An end, discharge diode D 3Positive pole and secondary coupling capacitance C 4An end connect; Divider resistance R 2Other end ground connection, discharge diode D 3Negative pole be connected secondary coupling capacitance C with described+4V power supply 4The other end respectively with discharge diode D 1Negative pole and commutation diode D 2Positive pole connect; Discharge diode D 1Plus earth, commutation diode D 2Negative pole respectively with described single-chip microcomputer, filter capacitor C 5An end and discharge resistance R 3An end connect filter capacitor C 5The other end and discharge resistance R 3Other end ground connection;
The DC/DC booster circuit comprises DC/DC control chip, boost inductance L 1, commutation diode D boosts 4, oscillating capacitance C 6, current sampling resistor R 4, the voltage sample resistance R 5, feedback resistance R 6With feedback resistance R 7, input filter capacitor E 1, output filter capacitor E 2With output filter capacitor E 31 pin of described DC/DC control chip and the described commutation diode D that boosts 4Positive pole and boost inductance L 1An end connect; Commutation diode D boosts 4Negative pole respectively with described output filter capacitor E 2Anodal, output filter capacitor E 3Positive pole and feedback resistance R 7An end connect output filter capacitor E 2Negative pole and output filter capacitor E 3Minus earth; Feedback resistance R 7The other end respectively with 5 pin and the feedback resistance R of described DC/DC control chip 6An end connect feedback resistance R 6Other end ground connection; Boost inductance L 1The other end respectively with described current sampling resistor R 4An end, voltage sample resistance R 5An end and 7 pin of described DC/DC control chip connect the voltage sample resistance R 5The other end be connected current sampling resistor R with 8 pin of described DC/DC control chip 4The other end respectively with+12V power supply, input filter capacitor E 16 pin anodal and described DC/DC control chip connect; Input filter capacitor E 1Negative pole, 2 pin and the 4 pin ground connection of DC/DC control chip; Oscillating capacitance C 6An end be connected other end ground connection with 3 pin of DC/DC control chip;
The fluorescent display screen drive circuit comprises the Darlington phase inverter, eight anodic control triode Q 1～Q 8, six grid control triode Q 9～Q 14, filament control triode Q 15, 15 base drive resistance R 8～R 21And R 36, 14 pull-up resistor R 22～R 35Filament control triode Q 15Colelctor electrode be connected with an end of the filament of fluorescent display screen, the other end of filament is connected with described+4V power supply, base stage and base drive resistance R 36An end connect the base drive resistance R 36The other end be connected grounded emitter with single-chip microcomputer; The anode that the colelctor electrode of each described anodic control triode is corresponding with fluorescent display screen respectively connects, and corresponding with the fluorescent display screen respectively grid of colelctor electrode of each described grid control triode connects; The base stage of each described anodic control triode respectively with corresponding base drive resistance R 8～R 15An end connect, the base stage of each described grid control triode respectively with corresponding base drive resistance R 16～R 21An end connect all base drive resistance R 8～R 21The other end respectively with corresponding pull-up resistor R 22～R 35An end, and the output pin of described Darlington phase inverter correspondence connects, the input pin of Darlington phase inverter is connected with described single-chip microcomputer; The emitter stage of each anodic control triode and each grid control triode, and all pull-up resistor R 22～R 35The other end all with the commutation diode D that boosts of described DC/DC booster circuit 4Negative pole connect;
When+12V power supply is connected in current sampling resistor R 4The other end time, commutation diode D boosts 4Negative pole output+25V voltage, described+4V power supply is connected in 14 pin of described phase inverter and the other end of fluorescent display screen filament, this moment commutation diode D 2The voltage of negative pole output+2V, fluorescent display screen goes out, when key is pressed, commutation diode D 2The magnitude of voltage of negative pole output descends, after single-chip microcomputer detects this value decline, and the base drive resistance R 36Other end output high level, filament control triode Q 15Conducting, fluorescent display screen is bright, and the input of Darlington phase inverter is imported corresponding high-low level, and fluorescent display screen shows corresponding state;
The model of described phase inverter is CD4069, and the model of described DC/DC control chip is MC33063, and the model of described Darlington phase inverter is ULN2003.
CNB2007101560621A 2007-10-12 2007-10-12 Household gas kitchen range operation controller Expired - Fee Related CN100549534C (en)

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CNB2007101560621A CN100549534C (en) 2007-10-12 2007-10-12 Household gas kitchen range operation controller

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Application Number Priority Date Filing Date Title
CNB2007101560621A CN100549534C (en) 2007-10-12 2007-10-12 Household gas kitchen range operation controller

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CN100549534C true CN100549534C (en) 2009-10-14

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CN109308870A (en) * 2018-08-28 2019-02-05 出门问问信息科技有限公司 A kind of anti-flicker circuit and LED display

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