CN108488849A - A kind of automatic fire tuning control device of gas-cooker - Google Patents
A kind of automatic fire tuning control device of gas-cooker Download PDFInfo
- Publication number
- CN108488849A CN108488849A CN201810603888.6A CN201810603888A CN108488849A CN 108488849 A CN108488849 A CN 108488849A CN 201810603888 A CN201810603888 A CN 201810603888A CN 108488849 A CN108488849 A CN 108488849A
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- Prior art keywords
- resistance
- stepper motor
- output end
- pressure sensor
- gas
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a kind of automatic fire tuning control devices of gas-cooker, including pressure sensor, pre-amplification circuit, control circuit, driving circuit, stepper motor and firepower control knob, the pressure sensor can be mounted at the gas vent of pot cover, the pressure sensor is connected with pre-amplification circuit input terminal, the pre-amplification circuit output end is connected with control circuit input terminal, the control circuit output end is connected with driving circuit input terminal, the driving circuit output end is connected with stepper motor, the stepper motor is installed together with firepower control knob, the stepper motor drives firepower control knob.The invention detects the air pressure at cooker cover exhaust hole by pressure sensor, and control circuit controls the rotation of stepper motor according to the variation of air pressure, realizes the rotation of firepower control knob indirectly, realizes the automatic control function of gas-cooker.The invention is for controlling heat power of gas burner size.
Description
Technical field
The present invention relates to technical field of kitchen wares, can realize that gas-cooker automatically controls firepower more specifically to a kind of
Device.
Background technology
Currently, because it is contemplated that stew the taste of congee or Baoshang, considerable part people still custom gas-cooker is stewed with coil for common chafing dish
Congee or Baoshang, a large amount of congee or soup spillover frequent occurrence when congee or boiled soup cause unnecessary waste and influence cleaning
Hygienic phenomenon.The reason of causing this phenomenon is that the progress that current gas-cooker can not be completed in response to cooking automatically adjusts combustion gas
Firepower size.
Invention content
The technical problem to be solved by the present invention is to：How the firepower automatic regulation function of gas-cooker is realized.
The solution that the present invention solves its technical problem is：
A kind of automatic fire tuning control device of gas-cooker, including pressure sensor, pre-amplification circuit, control circuit, driving
Circuit, stepper motor and firepower control knob, the pressure sensor can be mounted at the gas vent of pot cover, and the pressure passes
Sensor is connected with pre-amplification circuit input terminal, and the pre-amplification circuit output end is connected with control circuit input terminal, described
Control circuit output end is connected with driving circuit input terminal, and the driving circuit output end is connected with stepper motor, the stepping
Motor is installed together with firepower control knob, and the stepper motor drives firepower control knob.
As a further improvement of the above technical scheme, the control circuit includes analog-digital converter and microcontroller, institute
It states pre-amplification circuit output end with analog-digital converter input terminal to be connected, the AfD converter output and single-chip microcomputer input
It is connected, the single-chip microcomputer output is connected with driving circuit input terminal.
As a further improvement of the above technical scheme, the pressure sensor is piezoresistive transducer, is put before described
Big circuit includes resistance R1, resistance R2, resistance R3, the amplifier of model AD620 and resistance value adjustable resistance R4, described to put
Voltage input end, two enlargement ratio adjustable sides and voltage output end greatly there are two device configurations, the pressure sensor and electricity
Resistance R1 is connected between power supply and ground, and resistance R2 and resistance R3 are connected between power supply and ground, and one voltage of the amplifier is defeated
Enter to terminate between pressure sensor and resistance R1, another control source terminates between resistance R2 and resistance R3, the electricity
The both ends resistance R4 are connected on two enlargement ratio adjustable sides of amplifier respectively, and the voltage output end and control circuit of the amplifier are defeated
Enter end to be connected.
As a further improvement of the above technical scheme, the driving circuit includes resistance R5, resistance R6, resistance R7, three
Pole pipe Q1 and diode D1, the single-chip microcomputer output are connected by resistance R5 with power supply, and the single-chip microcomputer output passes through
Resistance R6 is connected with triode Q1 base stages, and triode Q1 emitters ground connection, triode Q1 collectors pass through resistance R7 and stepping electricity
Machine is connected, and triode Q1 collectors are connected with diode D1 anodes, and diode D1 cathode are connected with stepper motor.
The beneficial effects of the invention are as follows：The invention detects the air pressure at cooker cover exhaust hole, control by pressure sensor
Circuit processed controls the rotation of stepper motor according to the variation of air pressure, realizes the rotation of firepower control knob indirectly, realizes gas-cooker
Automatic control function.The invention is for controlling heat power of gas burner size.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the circuit module frame figure of the invention；
Fig. 2 is the pre-amplification circuit embodiment schematic diagram of the invention；
Fig. 3 is the driving circuit embodiment schematic diagram of the invention.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu, complete description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/connection relations not singly refer to component and directly connect, and refer to that can be added deduct according to specific implementation situation by adding
Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Referring to Fig.1~Fig. 3, the invention disclose a kind of automatic fire tuning control device of gas-cooker, including pressure sensing
Device, pre-amplification circuit, control circuit, driving circuit, stepper motor and firepower control knob, the pressure sensor can pacify
At the gas vent of pot cover, the pressure sensor is connected with pre-amplification circuit input terminal, and the pre-amplification circuit is defeated
Outlet is connected with control circuit input terminal, and the control circuit output end is connected with driving circuit input terminal, the driving circuit
Output end is connected with stepper motor, and the stepper motor is installed together with firepower control knob, the stepper motor driving fire
Power control handle rotates.Specifically, the present apparatus by pressure sensor detect cooker cover exhaust hole at air pressure, control circuit according to
The variation of air pressure controls the rotation of stepper motor, realizes the rotation of firepower control knob indirectly, realizes automatically controlling for gas-cooker
Function.
It is further used as preferred embodiment, in the invention specific implementation mode, the control circuit includes mould
Number converter and microcontroller, the pre-amplification circuit output end are connected with analog-digital converter input terminal, the analog-to-digital conversion
Device output end is connected with single-chip microcomputer input, and the single-chip microcomputer output is connected with driving circuit input terminal.The present apparatus passes through mould
Atmospheric pressure value is converted into digital signal by number converter from analog signal, is handled convenient for microcontroller, and the microcontroller is configured as root
The pressure value detected in real time according to pressure sensor, the rotation of intelligent control stepper motor.
It is further used as preferred embodiment, in the invention specific implementation mode, the pressure sensor is pressure
Resistive sensor, the pre-amplification circuit include resistance R1, resistance R2, resistance R3, the amplifier of model AD620 and resistance
It is worth adjustable resistance R4, there are two voltage input end, two enlargement ratio adjustable sides and voltage outputs for the amplifier configuration
End, the pressure sensor and resistance R1 are connected between power supply and ground, and resistance R2 and resistance R3 are connected between power supply and ground,
One control source of the amplifier terminates between pressure sensor and resistance R1, another control source terminates at resistance R2
Between resistance R3, the both ends the resistance R4 are connected on two enlargement ratio adjustable sides of amplifier, the electricity of the amplifier respectively
Pressure output end is connected with control circuit input terminal.
It is further used as preferred embodiment, in the invention specific implementation mode, the driving circuit includes electricity
Resistance R5, resistance R6, resistance R7, triode Q1 and diode D1, the single-chip microcomputer output are connected by resistance R5 with power supply,
The single-chip microcomputer output is connected by resistance R6 with triode Q1 base stages, triode Q1 emitters ground connection, triode Q1 current collections
Pole is connected by resistance R7 with stepper motor, and triode Q1 collectors are connected with diode D1 anodes, diode D1 cathode and step
Stepper motor is connected.Driving circuit described in the invention is for improving driving capability of the microcontroller to stepper motor.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (4)
1. a kind of automatic fire tuning control device of gas-cooker, it is characterised in that：Including pressure sensor, pre-amplification circuit, control
Circuit, driving circuit, stepper motor and firepower control knob, the pressure sensor and pre-amplification circuit input terminal phase
Even, the pre-amplification circuit output end is connected with control circuit input terminal, and the control circuit output end and driving circuit are defeated
Enter end to be connected, the driving circuit output end is connected with stepper motor, and the stepper motor is mounted on one with firepower control knob
It rises, the stepper motor drives firepower control knob.
2. the automatic fire tuning control device of a kind of gas-cooker according to claim 1, it is characterised in that：The control circuit packet
Analog-digital converter and microcontroller are included, the pre-amplification circuit output end is connected with analog-digital converter input terminal, the modulus
Converter output end is connected with single-chip microcomputer input, and the single-chip microcomputer output is connected with driving circuit input terminal.
3. the automatic fire tuning control device of a kind of gas-cooker according to claim 2, it is characterised in that：The pressure sensor
Piezoresistive transducer, the pre-amplification circuit include resistance R1, resistance R2, resistance R3, model AD620 amplifier with
And the adjustable resistance R4 of resistance value, there are two voltage input end, two enlargement ratio adjustable sides and voltages for the amplifier configuration
Output end, the pressure sensor and resistance R1 are connected between power supply and ground, and resistance R2 and resistance R3 is connected on power supply and ground
Between, one control source of the amplifier terminates between pressure sensor and resistance R1, another control source terminates at
Between resistance R2 and resistance R3, the both ends the resistance R4 are connected on two enlargement ratio adjustable sides of amplifier, the amplification respectively
The voltage output end of device is connected with control circuit input terminal.
4. the automatic fire tuning control device of a kind of gas-cooker according to claim 3, it is characterised in that：The driving circuit packet
It includes resistance R5, resistance R6, resistance R7, triode Q1 and diode D1, the single-chip microcomputer output and passes through resistance R5 and power supply
It is connected, the single-chip microcomputer output is connected by resistance R6 with triode Q1 base stages, triode Q1 emitters ground connection, triode Q1
Collector is connected by resistance R7 with stepper motor, and triode Q1 collectors are connected with diode D1 anodes, diode D1 cathode
It is connected with stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603888.6A CN108488849A (en) | 2018-06-12 | 2018-06-12 | A kind of automatic fire tuning control device of gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603888.6A CN108488849A (en) | 2018-06-12 | 2018-06-12 | A kind of automatic fire tuning control device of gas-cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488849A true CN108488849A (en) | 2018-09-04 |
Family
ID=63342684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603888.6A Pending CN108488849A (en) | 2018-06-12 | 2018-06-12 | A kind of automatic fire tuning control device of gas-cooker |
Country Status (1)
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|---|---|
| CN (1) | CN108488849A (en) |
Citations (11)
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|---|---|---|---|---|
| DE2042238A1 (en) * | 1970-08-26 | 1972-03-02 | Stahl Karl Fa | Temperature controller |
| KR200248948Y1 (en) * | 2001-05-17 | 2001-10-19 | 이흥규 | Fire-power regulator of portable gas range |
| CN101995038A (en) * | 2009-08-17 | 2011-03-30 | 樱花卫厨（中国）股份有限公司 | Touch key type gas stove control device |
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| CN106264165A (en) * | 2016-09-28 | 2017-01-04 | 防城港市绿华源农林科技有限公司 | There is the intelligent anti-overflow pot cover of power amplification circuit |
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2018
- 2018-06-12 CN CN201810603888.6A patent/CN108488849A/en active Pending
Patent Citations (11)
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| DE2042238A1 (en) * | 1970-08-26 | 1972-03-02 | Stahl Karl Fa | Temperature controller |
| KR200248948Y1 (en) * | 2001-05-17 | 2001-10-19 | 이흥규 | Fire-power regulator of portable gas range |
| CN101995038A (en) * | 2009-08-17 | 2011-03-30 | 樱花卫厨（中国）股份有限公司 | Touch key type gas stove control device |
| CN205359249U (en) * | 2015-11-24 | 2016-07-06 | 佛山市顺德区美的电热电器制造有限公司 | Firing equipment and culinary art device |
| WO2017124512A1 (en) * | 2016-01-24 | 2017-07-27 | 白宏伟 | Method for adjusting flame intensity according to pressure and flame intensity adjustment system |
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| CN209310047U (en) * | 2018-06-12 | 2019-08-27 | 佛山科学技术学院 | A kind of automatic fire tuning control device of gas-cooker |
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