CN201555288U - Range hood with automatic speed regulating function - Google Patents

Range hood with automatic speed regulating function Download PDF

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Publication number
CN201555288U
CN201555288U CN2009202636069U CN200920263606U CN201555288U CN 201555288 U CN201555288 U CN 201555288U CN 2009202636069 U CN2009202636069 U CN 2009202636069U CN 200920263606 U CN200920263606 U CN 200920263606U CN 201555288 U CN201555288 U CN 201555288U
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China
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circuit
resistance
temperature
micro controller
motor
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Expired - Lifetime
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CN2009202636069U
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Chinese (zh)
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陈树波
姚树林
黄开平
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Midea Group Co Ltd
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Abstract

A range hood with an automatic speed regulating function comprises an automatic speed regulating control circuit, a display and a keying circuit, wherein the automatic speed regulating control circuit, the display and the keying circuit are arranged inside a casing. The automatic speed regulating control circuit comprises a power circuit, a microcontroller signal processing circuit, a temperature detecting circuit, a motor rotation speed detecting circuit and a motor rotation speed regulating circuit, a temperature sensor of the temperature detecting circuit is disposed above a smoke suction opening and inputs acquired temperature voltage signals into the microcontroller signal processing circuit, and after the microcontroller signal processing circuit performs A/D conversion and processing for the temperature voltage signals, real-time temperature and speed regulating reference temperature are obtained. The microcontroller signal processing circuit comprehensively operates and processes the real-time temperature, the speed regulating reference temperature and actual rotation speed of a motor so as to control operation of the motor. Due to utilizing the temperature sensor, the range hood can simplify circuit and save cost. The rotation speed of the motor can be automatically and continuously regulated according to change of heating firepower of a stove so as to lead the range hood to achieve the best work state.

Description

Range hood with automatic speed regulation function
Technical field
The utility model relates to a kind of range hood, particularly a kind of range hood with automatic speed regulation function.
Background technology
Range hood has been very universal in the family at home, but the mode of speed regulation great majority of present home-use range hood are still manual adjustments, though the range hood that adopts air detection automatic control motor rotating speed is also arranged in the prior art, its concentration that adopts air borne sensor to detect the reducibility gas that produces in the cooking process is controlled the speed governing or the stop and start of range hood, and owing to used air borne sensor must directly contact with flue gas, use after a period of time because the pollution of oil smoke, the performance of air borne sensor can descend or lose efficacy, on the other hand because as infra-red furnace, some novel kitchen range such as electromagnetic oven are popularizing of family at home, using infra-red furnace, the reducibility gas that produces during the culinary art of kitchen range such as electromagnetic oven seldom or not produces reducibility gas, at this moment adopts the detection reducibility gas to realize that control is just ineffective automatically.
At adopting air borne sensor to realize the defective of automatic speed regulation, Chinese patent literature CN201138006 discloses a kind of Based Intelligent Control range hood on October 22nd, 2008, comprises housing, motor, fan, also comprises intelligence control circuit, key circuit.Intelligence control circuit comprises power circuit, signal acquisition circuit, single-chip microcomputer signal processing circuit, control output circuit, and the control output circuit is connected with motor on the range hood.The single-chip microcomputer signal processing circuit comprises single-chip microcomputer and E2PROM serial storage.Signal acquisition circuit detects the temperature voltage signal before and after the cooking stove work in real time, and signal is inputed to the single-chip microcomputer signal processing circuit carry out A/D conversion and correcting process, a reference value with temperature approach and its setting compares afterwards, and according to comparative result by control output circuit output control signals to motor, control machine operation.Its adopt single-chip microcomputer to signal gather, processing, analysis and judgement, single-chip microcomputer can be set a reference value, can be good at matching with actual environment for use, improve detection sensitivity, and hardware is selected for use flexibly.But there is following shortcoming in it: the external E2PROM memory of needs is preserved the sensitivity benchmark; The speed governing fiducial temperature needs according to the installation environment Field adjustment; Need to adopt two temperature sensors testing environment and intake air temperature respectively; The motor speed stepping is regulated, and has only top gear and low or first gear.Therefore be necessary to be further improved and perfect.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, low cost of manufacture, only adopt a temperature sensor to come testing environment and intake air temperature, the speed governing fiducial temperature is calibrated automatically by micro controller, motor speed can heat firepower according to cooking stove and change the range hood of regulating speed automatically continuously, to overcome weak point of the prior art.
A kind of range hood by this purpose design with automatic speed regulation function, comprise housing, motor and impeller thereof, be installed on automatic speed regulation control circuit in the housing, with the automatic speed regulation control circuit by demonstration and key circuit that lead is connected, it is characterized in that the automatic speed regulation control circuit comprises power circuit, micro controller signal processing circuit, temperature sensing circuit, motor speed testing circuit, motor speed regulating circuit; The temperature sensor of temperature sensing circuit is arranged at the smoking port top, the temperature voltage signal that collects is inputed to the micro controller signal processing circuit, after temperature voltage signal is carried out A/D conversion and handling by the micro controller signal processing circuit, obtain real time temperature and speed governing fiducial temperature.
Rotating speed of motor feedback pulse signal during the testing of motor speed testing circuit, and the rotating speed of motor feedback pulse signal that collects inputed to the micro controller signal processing circuit, convert rotating speed of motor feedback pulse signal to the motor actual speed by the micro controller signal processing circuit, the micro controller signal processing circuit carries out outputing control signals to the motor speed regulating circuit after the comprehensive calculation process to real time temperature, speed governing fiducial temperature and motor actual speed, with the control machine operation.
Defeated respectively three road DC voltages of described power circuit are respectively :+310V ,+15V ,+5V, wherein+310V and+15V altogether ,+310V is HGND with the common port of+15V ,+5V with+310V is not altogether.
Described motor is a brshless DC motor, and its interface is made of supply voltage interface, internal drive circuits supply voltage interface, rotating speed control voltage interface, speed feedback signal interface, interface of the ground wire respectively; The supply voltage interface is connected with+310V DC voltage, internal drive circuits supply voltage interface with+the 15V DC voltage is connected, interface of the ground wire is connected with common port HGND by lead.
Described micro controller signal processing circuit is made up of micro controller U6, resonator XT1, capacitor C5, C6, resistance R 3, R18, R19, R20 and resistance R 21; The power interface of micro controller U6 is connected with+5V DC voltage, resonator XT1 is connected with the external oscillator interface of micro controller, capacitor C5 is connected back ground connection with the end of resonator XT1, capacitor C6 is connected back ground connection with the other end of resonator XT1, first end of resistance R 3, R18, R19, R20, R21 is connected with the I/O mouth of micro controller U6 respectively, second termination of resistance R 3+5V DC voltage, the second end ground connection of resistance R 18, R19, R20, R21.
Described temperature sensing circuit links to each other with the A/D conversion input pin of micro controller U6; Temperature sensing circuit is made up of temperature sensor RT2, diode D10, D11, resistance R 24, R25, capacitor C12, C16; Temperature sensor RT2 is the semiconductor thermistor of negative temperature coefficient, be arranged at smoking port top, the one end is connected with+5V DC voltage, and the other end is connected with first end of resistance R 25, the second end ground connection of resistance R 25, temperature sensor RT2 and resistance R 25 are formed bleeder circuit; The negative pole of diode D10 connects+the 5V DC voltage, and its positive pole is connected with the negative pole of diode D11, first end of resistance R 25, the plus earth of diode D11, and diode D10 and D11 form amplitude limiter circuit; One end of resistance R 24 is connected with first end of capacitor C16, first end of resistance R 25 respectively, the other end with link to each other the second end ground connection of second end of capacitor C16 and capacitor C12 with the A/D conversion input pin of micro controller U6 again after first end of capacitor C12 is connected; Capacitor C12, capacitor C16, resistance R 24 are formed esd protection and anti-lamination filter circuit.
Described motor speed testing circuit is made of the resistance R 23, R17, the photoelectrical coupler U8 that link to each other successively; Motor speed testing circuit one end interrupts input pin with the detection of micro controller U6 and links to each other, and its other end links to each other with rotating speed of motor feedback signal interface.
Described rotational speed regulation circuit is made of the resistance R 13, R14, R16, capacitor EC6, C15, Zener diode ZD1, the photoelectrical coupler U5 that link to each other successively; Rotational speed regulation circuit one end links to each other with the PWM output pin of micro controller U6, and its other end links to each other with rotating speed of motor control voltage interface.
The beneficial effects of the utility model are: owing to only adopt a temperature sensor, can simplify circuit and save cost; The speed governing fiducial temperature is calibrated automatically by micro controller, need not external memory and scene speed governing degree fiducial temperature is set; Motor speed can heat firepower according to cooking stove and change automatically adjusting continuously, makes range hood reach best duty.
Description of drawings
Fig. 1 is the perspective view of the utility model one embodiment.
Fig. 2 looks the sectional structure schematic diagram for the left side of Fig. 1.
Fig. 3 is the motor perspective view.
Fig. 4 is an A place structure for amplifying schematic diagram among Fig. 3.
Fig. 5 is an automatic speed regulation control circuit workflow schematic diagram.
Fig. 6 present embodiment control circuit figure.
Fig. 7 is a motor automatic speed regulation control program flow chart.
Fig. 8 is the automatic calibration procedure flow chart of speed governing temperature reference.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Fig. 6, a kind of range hood with automatic speed regulation function, comprise housing 1 and the motor 4 and the impeller 5 thereof that are arranged in the housing 1, motor is a brshless DC motor, and its interface is made of supply voltage interface 6, internal drive circuits supply voltage interface 7, rotating speed control voltage interface 8, speed feedback signal interface 9, interface of the ground wire 10 respectively.Be provided with automatic speed regulation control circuit 2 and demonstration and key circuit 3 in the housing 1, motor 4, demonstration and key circuit 3 are connected with automatic speed regulation control circuit 2.Automatic speed regulation control circuit 2 is made up of power circuit a, micro controller signal processing circuit b, temperature sensing circuit c, motor speed testing circuit d, motor speed regulating circuit e.
Power circuit a exports respectively+310V ,+15V ,+DC voltage of 5V, + 310V and+15V common ground, + 310V is HGND with the common port of+15V, supply voltage interface 6 is connected with+310V DC voltage, internal drive circuits supply voltage interface 7 is connected with+15V DC voltage, and interface of the ground wire 10 is connected with common port HGND.
Micro controller signal processing circuit b is made up of micro controller U6, resonator XT1, capacitor C5, C6, resistance R 3, R18, R19, R20 and R21.First end of resonator XT1 is connected with the 2nd pin of micro controller U6, and second end of resonator XT1 is connected with the 3rd pin of micro controller U6; First end of capacitor C5 is connected with first end of XT1, the second end ground connection of capacitor C5; First end of capacitor C6 is connected with second end of XT1, the second end ground connection of capacitor C6; First end of resistance R 3 is connected second termination of resistance R 3+5V with the 6th pin of micro controller U6; First end of resistance R 18 is connected with the 15th pin of micro controller U6, the second end ground connection of resistance R 18; First end of resistance R 19 is connected with the 8th pin of micro controller U6, the second end ground connection of resistance R 19; First end of resistance R 20 is connected with the 7th pin of micro controller U6, the second end ground connection of resistance R 20; First end of resistance R 21 is connected with the 4th pin of micro controller U6, the second end ground connection (referring to Fig. 6) of resistance R 21.
Temperature sensing circuit c is made up of temperature sensor RT2, diode D10, D11, resistance R 24, R25, capacitor C12, C16.Temperature sensor RT2 is the semiconductor thermistor of negative temperature coefficient, is arranged at the smoking port top, and temperature herein mainly is subjected to the influence of cooking stove heating firepower size, gets final product the size of perception cooking stove heating firepower by the detection to smoking port top temperature.The end of temperature sensor RT2 is connected with+5V DC voltage, and the other end is connected with first end of resistance R 25, the second end ground connection of resistance R 25, and temperature sensor RT2 and resistance R 25 are formed bleeder circuits; First end in resistance R 25 produces the voltage signal that is subjected to influence of temperature change; The negative pole of diode D10 connects+the 5V DC voltage, and its positive pole is connected with the negative pole of diode D11, first end of resistance R 25, the plus earth of diode D11, and diode D10 and diode D11 form amplitude limiter circuit; The voltage signal amplitude that guarantees first end of resistance R 25 does not transfinite; One end of resistance R 24 is connected with first end of capacitor C16, first end of resistance R 25 respectively, the other end with link to each other the second end ground connection of second end of capacitor C16 and capacitor C12 with the A/D conversion input pin of micro controller U6 again after first end of capacitor C12 is connected; Capacitor C12, C16, resistance R 24 are formed esd protection and anti-lamination filter circuit (referring to Fig. 6).
Motor speed testing circuit d is made of the resistance R 23, R17, the photoelectrical coupler U8 that link to each other successively; Motor speed testing circuit d one end interrupts input pin with the detection of micro controller U6 and links to each other, and its other end links to each other with rotating speed of motor feedback signal interface 9.The 1st pin of photoelectrical coupler U8 is connected with first end of resistance R 23, second end of resistance R 23 is connected with+15V DC voltage, the 2nd pin of photoelectrical coupler U8 is connected with motor speed feedback signal interface 9, the 3rd pin ground connection of photoelectrical coupler U8, the 4th pin of photoelectrical coupler U8 is connected with first end of resistance R 17, the 4th pin of photoelectrical coupler U8 also detects the interruption input pin with the edge of micro controller U6 and is connected, second end of resistance R 17 is connected to+the 5V DC voltage, and motor speed testing circuit d plays the electrical isolation of strong and weak electricity circuit and to the level conversion effect (referring to Fig. 6) of speed feedback signal.
Rotational speed regulation circuit e is made of resistance R 13, R14, R16, capacitor EC6, C15, Zener diode ZD1, photoelectrical coupler U5.Rotational speed regulation circuit e one end links to each other with the PWM output pin of micro controller U6, and its other end links to each other with rotating speed of motor control voltage interface 10.Resistance R 16 is the current-limiting resistance of the 2nd pin of photoelectrical coupler U5, the 3rd pin of photoelectrical coupler U5 meets HGND, the 4th pin of photoelectrical coupler U5 connects with the rotating speed control voltage interface 8 of motor 4 and links to each other, first end of resistance R 13 is connected with the 4th pin of photoelectrical coupler U5, second termination of resistance R 13+15V DC voltage, first end of resistance R 14 is connected with the 4th pin of photoelectrical coupler U5, the second termination HGND of resistance R 14, the positive pole of capacitor EC6 is connected with the 4th pin of photoelectrical coupler U5, the negative pole of capacitor EC6 meets HGND, first end of capacitor C15 is connected with the 4th pin of photoelectrical coupler U5, the second termination HGND of capacitor C15, the negative pole of Zener diode ZD1 connects the 4th pin of photoelectrical coupler U5, the positive pole of Zener diode ZD1 meets HGND, and motor speed regulating circuit e plays the electrical isolation of strong and weak electricity circuit and to the D/A transformation of speed controling signal.
The detection of temperature gets final product the size of perception cooking stove heating firepower above present embodiment passes through smoking port, temperature sensing circuit c is converted into voltage signal with the variations in temperature of smoking port top and inputs to micro controller signal processing circuit b and carry out the A/D conversion, but micro controller signal processing circuit b detects the real time temperature of perception smoking port top to temperature voltage signal, micro controller signal processing circuit b can be from dynamic(al) correction speed governing fiducial temperature, from the workflow (referring to Fig. 8) of dynamic(al) correction speed governing fiducial temperature by computing after obtaining the real time temperature of mouth top.
Micro controller signal processing circuit b is the computing of making comparisons of real time temperature and speed governing fiducial temperature, and calculates the rotating speed of target of motor 4 according to the difference size of real time temperature and the comparison of speed governing fiducial temperature; Motor speed testing circuit d carries out the rotational speed pulse signal of motor 4 feedbacks to input to micro controller signal processing circuit b after electrical isolation and the level conversion, and micro controller signal processing circuit b can calculate the actual speed of motor 4 by the cycle of detecting rotational speed pulse signal.
Micro controller signal processing circuit b output pulse width modulation signal is to motor speed regulating circuit e, pulse width modulating signal is connected with the rotating speed control voltage interface 8 of motor 4 after motor speed regulating circuit e carries out electrical isolation and converts analog voltage signal to, micro controller signal processing circuit b is by the comparison to rotating speed of target and actual speed, thereby the dutycycle that changes pulse width modulating signal makes the rotating speed of the amplitude change motor 4 of rotating speed control voltage, the workflow of automatic speed regulation flow process (referring to Fig. 7).
The syndeton of demonstration in this embodiment and key circuit 3 and power circuit a belongs to known technology, repeats no more herein, does not implement this programme but do not influence those skilled in the art.The model of above-mentioned micro controller U6 is uPD78F9222, and the model of photoelectrical coupler U5 and photoelectrical coupler U8 is all TLP521.

Claims (9)

1. range hood with automatic speed regulation function, comprise housing (1), motor and impeller thereof, be installed on automatic speed regulation control circuit (2) in the housing, with the automatic speed regulation control circuit by demonstration and key circuit (3) that lead is connected, it is characterized in that the automatic speed regulation control circuit comprises power circuit (a), micro controller signal processing circuit (b), temperature sensing circuit (c), motor speed testing circuit (d), motor speed regulating circuit (e); The temperature sensor of temperature sensing circuit is arranged at the smoking port top, the temperature voltage signal that collects is inputed to the micro controller signal processing circuit, after temperature voltage signal is carried out A/D conversion and handling by the micro controller signal processing circuit, obtain real time temperature and speed governing fiducial temperature.
2. according to the described range hood of claim 1 with automatic speed regulation function, it is characterized in that defeated respectively three road DC voltages of described power circuit (a), be respectively :+310V ,+15V ,+5V, wherein+310V with+15V altogether, + 310V is HGND with the common port of+15V ,+5V with+310V is not altogether.
3. according to claim 1 or 2 described range hoods with automatic speed regulation function, it is characterized in that described motor (4) is a brshless DC motor, its interface is made of supply voltage interface (6), internal drive circuits supply voltage interface (7), rotating speed control voltage interface (8), speed feedback signal interface (9), interface of the ground wire (10) respectively; The supply voltage interface is connected with+310V DC voltage, and internal drive circuits supply voltage interface is connected with+15V DC voltage.
4. according to the described range hood of claim 3, it is characterized in that described micro controller signal processing circuit (b) is made up of micro controller U6, resonator XT1, capacitor C5, C6, resistance R 3, R18, R19, R20 and R21 with automatic speed regulation function; The power interface of micro controller U6 is connected with+5V DC voltage, resonator XT1 is connected with the external oscillator interface of micro controller, capacitor C5 is connected back ground connection with the end of resonator XT1, capacitor C6 is connected back ground connection with the other end of resonator XT1, first end of resistance R 3, R18, R19, R20, R21 is connected with the I/O mouth of micro controller U6 respectively, second termination of resistance R 3+5V DC voltage, the second end ground connection of resistance R 18, R19, R20, R21.
5. according to the described range hood of claim 3, it is characterized in that described temperature sensing circuit (c) links to each other with the A/D conversion input pin of micro controller U6 with automatic speed regulation function; Temperature sensing circuit is made up of temperature sensor RT2, diode D10, D11, resistance R 24, R25, capacitor C12, C16; Temperature sensor RT2 is the semiconductor thermistor of negative temperature coefficient, be arranged at smoking port top, the one end is connected with+5V DC voltage, and the other end is connected with first end of resistance R 25, the second end ground connection of resistance R 25, temperature sensor RT2 and resistance R 25 are formed bleeder circuit; The negative pole of diode D10 connects+the 5V DC voltage, and its positive pole is connected with the negative pole of diode D11, first end of resistance R 25, the plus earth of diode D11, and diode D10 and D11 form amplitude limiter circuit; One end of resistance R 24 is connected with first end of capacitor C16, first end of resistance R 25 respectively, the other end with link to each other the second end ground connection of second end of capacitor C16 and capacitor C12 with the A/D conversion input pin of micro controller U6 again after first end of capacitor C12 is connected; Capacitor C12, C16, resistance R 24 are formed esd protection and anti-lamination filter circuit.
6. according to the described range hood of claim 3, it is characterized in that described motor speed testing circuit (d) is made of the resistance R 23, R17, the photoelectrical coupler U8 that link to each other successively with automatic speed regulation function; Motor speed testing circuit one end interrupts input pin with the detection of micro controller U6 and links to each other, and its other end links to each other with rotating speed of motor feedback signal interface (9).
7. according to the described range hood of claim 6, it is characterized in that described rotational speed regulation circuit (e) is made of the resistance R 13, R14, R16, capacitor EC6, C15, Zener diode ZD1, the photoelectrical coupler U5 that link to each other successively with automatic speed regulation function; Rotational speed regulation circuit one end links to each other with the PWM output pin of micro controller U6, and its other end links to each other with rotating speed of motor control voltage interface (8).
8. according to the described range hood with automatic speed regulation function of claim 3, the model that it is characterized in that described micro controller U6 is uPD78F9222.
9. according to the described range hood of claim 7, it is characterized in that the model of described photoelectrical coupler U5 and U8 is all TLP521 with automatic speed regulation function.
CN2009202636069U 2009-11-30 2009-11-30 Range hood with automatic speed regulating function Expired - Lifetime CN201555288U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102759136A (en) * 2011-04-25 2012-10-31 祁存财 Range hood with voice prompt function
CN103542439A (en) * 2012-07-11 2014-01-29 博西华电器(江苏)有限公司 Kitchen ventilator and control method thereof
CN103548252A (en) * 2012-03-31 2014-01-29 中山大洋电机股份有限公司 Brushless motor with automatic temperature adjustment function
CN104776475A (en) * 2014-06-09 2015-07-15 黄建辉 Intelligent energy saving smoke ventilator
CN104819500A (en) * 2015-05-18 2015-08-05 广东美的厨房电器制造有限公司 Extractor hood as well as gas flow detection method, device and air speed control method
CN105240885A (en) * 2014-07-07 2016-01-13 博西华电器(江苏)有限公司 Control device of range hood, range hood and control method for range hood
CN107165847A (en) * 2016-05-24 2017-09-15 九阳股份有限公司 A kind of lampblack absorber detection blower fan control method
CN111059578A (en) * 2019-12-17 2020-04-24 华帝股份有限公司 Smoke stove linkage control system and control method
WO2021017024A1 (en) * 2019-07-29 2021-02-04 广东爱贝尔电气股份有限公司 One-key acceleration range hood
WO2021103960A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and device and integrated cooker
WO2021103952A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and apparatus, and integrated stove

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102759136A (en) * 2011-04-25 2012-10-31 祁存财 Range hood with voice prompt function
CN103548252B (en) * 2012-03-31 2016-08-03 中山大洋电机股份有限公司 A kind of brushless electric machine with temperature automatic adjustment function
CN103548252A (en) * 2012-03-31 2014-01-29 中山大洋电机股份有限公司 Brushless motor with automatic temperature adjustment function
CN103542439A (en) * 2012-07-11 2014-01-29 博西华电器(江苏)有限公司 Kitchen ventilator and control method thereof
CN103542439B (en) * 2012-07-11 2018-01-09 博西华电器(江苏)有限公司 Smoke exhaust ventilator and its control method
CN104776475A (en) * 2014-06-09 2015-07-15 黄建辉 Intelligent energy saving smoke ventilator
CN105240885A (en) * 2014-07-07 2016-01-13 博西华电器(江苏)有限公司 Control device of range hood, range hood and control method for range hood
CN105240885B (en) * 2014-07-07 2019-03-22 博西华电器(江苏)有限公司 Control device, range hood and its control method of range hood
CN104819500A (en) * 2015-05-18 2015-08-05 广东美的厨房电器制造有限公司 Extractor hood as well as gas flow detection method, device and air speed control method
CN107165847A (en) * 2016-05-24 2017-09-15 九阳股份有限公司 A kind of lampblack absorber detection blower fan control method
CN107165847B (en) * 2016-05-24 2019-06-04 九阳股份有限公司 A kind of kitchen ventilator detection blower fan control method
WO2021017024A1 (en) * 2019-07-29 2021-02-04 广东爱贝尔电气股份有限公司 One-key acceleration range hood
WO2021103960A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and device and integrated cooker
WO2021103952A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and apparatus, and integrated stove
CN111059578A (en) * 2019-12-17 2020-04-24 华帝股份有限公司 Smoke stove linkage control system and control method

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Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28

Patentee after: Midea Group Co., Ltd.

Address before: 528300 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan

Patentee before: Meidi Group Co., Ltd.

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