CN109237580A - Range hood kitchen range integrated apparatus - Google Patents

Range hood kitchen range integrated apparatus Download PDF

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Publication number
CN109237580A
CN109237580A CN201811304760.6A CN201811304760A CN109237580A CN 109237580 A CN109237580 A CN 109237580A CN 201811304760 A CN201811304760 A CN 201811304760A CN 109237580 A CN109237580 A CN 109237580A
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CN
China
Prior art keywords
gas
range hood
microprocessor
temperature
kitchen range
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Pending
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CN201811304760.6A
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Chinese (zh)
Inventor
周锦程
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811304760.6A priority Critical patent/CN109237580A/en
Publication of CN109237580A publication Critical patent/CN109237580A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2021Arrangement or mounting of control or safety systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2042Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses a kind of range hood kitchen range integrated apparatus, belong to field of kitchen electric appliance, are made of gas kitchen range and range hood, and range hood is located at the top of gas kitchen range, are assembled integrally range hood and gas kitchen range by backboard;Dismountable oil storage box is equipped with below the backboard;The range hood is equipped with temperature-detecting device, the detectable kettle temperature of temperature-detecting device;Automatic cutting off device is equipped in cooking stove, combustion can be automatically closed in automatic cutting off device when flame surprisingly extinguishes;Face plate of smoke exhaust ventilator is equipped with the display screen that can play music, video.The present invention use integrated design, avoid oil smoke and freeze solidly on wall, while can be automatically shut down the gas piping in accident extinguishing, ensure that the safety of house, at the same can be convenient the characteristics of checking oil temperature and menu.

Description

Range hood kitchen range integrated apparatus
Technical field
The present invention relates to field of kitchen electric appliance, specifically a kind of range hood kitchen range integrated apparatus.
Background technique
Most of kitchen ventilator and cooker on the market is split type structure, both general not to be associated with, and brings one when in use Fixed inconvenience is especially being done after meal for a long time, and the oil smoke of generation can condense on the wall between kitchen ventilator and cooker, is given The clean environment and cleaning tape in kitchen carry out certain trouble.
And since present young man will not much cook, it is very unskilled for the grasp of the duration and degree of heating, and frequent It is cooked while learning menu when cooking against mobile phone, it is clear that it is very inconvenient, it is original particularly with the people for just learning to cook Movement is just not skilled enough, is easy to cause the Best Times for missing filler and stopping heating etc., influences taste of food.
And the safety of fire for kitchen use is even more to become the most important thing of house institute overriding concern problem in society now, at present Various gas-cooker that people use, after use generally also shuts off ignition switch and safety valve, so It is not in accident, but flare extinguishes because of fortuitous event or forgotten to close safety gas-cooker in use in some cases When valve, gas supply cannot be cut off in time, constantly waste combustion gas, but also may cause combustion gas poisoning.
Summary of the invention
Based on problem above, the technical problems to be solved by the present invention are: providing a kind of range hood kitchen range integrally makeup It sets, which uses integrated design, avoids oil smoke and freezes solidly on wall, while can automatically shut down the gas piping in accident extinguishing, protects Demonstrate,proved the safety of house, at the same can be convenient the characteristics of checking oil temperature and menu.
The technical solution adopted by the present invention to solve the technical problems is to provide a kind of range hood kitchen range integrated apparatus, It is made of gas kitchen range and range hood, range hood is located at the top of gas kitchen range, by backboard by range hood and combustion gas Hearth is assembled integrally;Dismountable oil storage box is equipped with below the backboard;The range hood is equipped with temperature-detecting device, The detectable kettle temperature of temperature-detecting device;
The gas kitchen range includes two cooking stoves, the fan housing of a corresponding range hood above each cooking stove, is set in fan housing There is centrifugal type wind wheel, to form negative pressuren zone smoke evacuation;
Cooking stove is made of switch, burner, fire cover and corresponding shell and gas pipeline, and burner is located among fire cover, is opened On the panel for closing installation gas kitchen range procapsid, switch to control the combustion gas on-off between gas pipeline and burner;In cooking stove Equipped with automatic cutting off device, combustion can be automatically closed in the automatic cutting off device when flame surprisingly extinguishes;
The temperature-detecting device, automatic cutting off device, centrifugal type wind wheel, switch and microprocessor are electrically connected, microprocessor It is connect by wifi module with mobile phone app, the microprocessor and wifi module are set on face plate of smoke exhaust ventilator, the oil suction Smoke machine panel is equipped with the display screen that can play music, video.
As a preferred solution, the automatic cutting off device include flame sensor, gas sensor, solenoid valve and Microprocessor;The flame sensor is located on backboard and is arranged in burner rear end, to monitor burner with the presence or absence of flame And generate corresponding electric signal;The solenoid valve is located in gas pipeline, to control the gas on-off of gas pipeline, the gas Body inductor is located on the gas pipeline between solenoid valve and switch, to detect in gas pipeline whether have the combustion gas of flowing simultaneously Generate corresponding electric signal;
Microprocessor acquires the electric signal of flame sensor and gas sensor, controls the on-off of solenoid valve.
As a preferred solution, the temperature-detecting device is located at below two fan housings, respectively sets below two fan housings There is a temperature sensor, telescopic device is equipped between the temperature sensor and fan housing, the telescopic device includes being fixed on Positioning pipe on fan housing ontology and the adjustable pipe for being plugged in the positioning pipe and being slidably matched with positioning inside pipe wall, the work The locating part for preventing only adjustable pipe disengaging positioning pipe is equipped between dynamic pipe and positioning pipe, the adjustable pipe top and temperature pass Sensor is fixedly connected, and the adjustable pipe is extending to burner position, is transferred to after the temperature sensor temperature collection data micro- Processor, microprocessor show temperature data on a display screen.
As a preferred solution, the display screen is arranged on the panel between two fan housings of range hood, micro- place Reason device is built in the back side of display screen and is connected with display screen, and display screen is equipped with waterproof cover using touch display screen and shell; Wifi module setting is electrically connected at the display screen back side with microprocessor, and the microprocessor is connect by wifi module with mobile phone app.
As a preferred solution, it is equipped with warm table between described two single cooking stoves, the warm table is equipped with an electricity Magnetic furnace pedestal, electromagnetic oven pedestal is equipped with power supply line perforation and power ground line, places an electromagnetic oven on electromagnetic oven pedestal, described Electromagnetic oven built-in circuit is connected with microprocessor, and the microprocessor is powered by DC-stabilized circuit.
As a preferred solution, range hood further includes combustible gas probe and alarm system;The combustible gas Bulk detector generates electric signal for detecting gas concentration with microprocessor, combustible gas probe is connected with alarm system, and Microprocessor is sent the signal to, microprocessor control alarm system is alarmed, while being sent warning message and being given mobile phone app.
As a preferred solution, range hood has automatic shut-off function, and display screen can be broadcast when range hood works It puts the music on, current music directly shuts down after playing according to prompting, is delayed after can also being played by current music certain Automatic shutdown after time, shutdown mode are ac dump, control master switch by relay, usually can thoroughly power off when not used, Energy saving avoids kitchen ventilator from being powered for a long time because of voltage fluctuation or outside cause again simultaneously, damages internal circuit.
As a preferred solution, the WIFI module includes a WIFI antenna, WIFI transmitting-receiving process device, center synthesis Processor and control execute servo-drive mould group, the signal of the signal access port connection WIFI transmitting-receiving process device of the WIFI antenna Input terminal, WIFI transmitting-receiving process device will be transferred to central comprehensive treatment device after input signal processing conversion and handle, central General Office The signal output end for managing device executes servo-drive mould group by control and executes signal.
The beneficial effects of the present invention are:
The range hood kitchen range integrated apparatus of the present invention is avoided by integration and the design of oil storage box The problem of wall between fume pollution traditional kitchen ventilator and cooking stove, the detectable kettle temperature of temperature-detecting device is being shown Real-time display temperature on screen, clear grasp duration and degree of heating oil temperature, while the setting of display screen can by touching type operation into Row checks menu video and plays music, brings convenience and comfort, brings great confidence to new hand, automatically shut down the gas piping Device avoids the safety problem that combustion gas due to flare surprisingly extinguishes continues the gas leakage of supply.
Detailed description of the invention
Attached drawing of the invention is in order to further illustrate the invention, rather than the limitation to invention scope.
Fig. 1 is schematic structural view of the invention;
Fig. 2 is flow diagram of the present invention;
Wherein: 1, gas kitchen range;2, range hood;3, backboard;4, oil storage box;5, it switchs;6, burner;7, fire cover;8, wind Cover;9, display screen;10, flame sensor;11, temperature sensor;12, adjustable pipe;13, positioning pipe;14, warm table.
Specific embodiment
The embodiment of the present invention rather than is limited invention scope of the invention to further explain to the present invention System.
Embodiment 1:
In conjunction with Figure of description, a kind of range hood kitchen range integrated apparatus of the present invention by gas kitchen range 1 and is inhaled Kitchen ventilator 2 forms, and range hood 2 is located at the top of gas kitchen range 1, is assembled range hood 2 and gas kitchen range 1 by backboard 3 Integrally;Dismountable oil storage box 4 is equipped with below the backboard 3;By integration and the design of oil storage box 4, oil smoke is avoided The problem of polluting the wall between traditional range hood 2 and gas kitchen range 1, the range hood 2 are filled equipped with temperature detection It sets, the detectable kettle temperature of temperature-detecting device;
The temperature-detecting device is located at two fan housings, 8 lower section, is respectively provided with a temperature sensor below two fan housings 8 11, telescopic device is equipped between the temperature sensor 11 and fan housing 8, the telescopic device includes being fixed on 8 ontology of fan housing Positioning pipe 13 and be plugged on the adjustable pipe 12 being slidably matched in the positioning pipe 13 and with 13 inner wall of positioning pipe, the activity The locating part for preventing the only disengaging of adjustable pipe 12 positioning pipe 13,12 top of adjustable pipe are equipped between pipe 12 and positioning pipe 13 It is fixedly connected with temperature sensor 11, the adjustable pipe 12 is extending to 6 position of burner, 11 temperature collection of temperature sensor It is transferred to microprocessor after data, temperature data is shown on a display screen 9 by microprocessor.
Temperature sensor 11 uses contactless temperature-measuring sensor, and telescopic pull out downwards is come, when cooking is cooked, Very easily thermometric can be carried out pull temperature sensor 11 to kettle temperature, the temperature data measured is one on display screen 9 What mesh was clear shows, send hand to reset temperature sensor 11 after use, convenient and efficient, clear grasp Duration and degree of heating oil temperature.
The gas kitchen range 1 includes two cooking stoves, the fan housing 8 of a corresponding range hood 2, fan housing 8 above each cooking stove It is interior to be equipped with centrifugal type wind wheel, to form negative pressuren zone smoke evacuation;
Individual cooking stove configures individual fan housing 8, ensure that and is maximumlly absorbed discharge after each cooking stove generates oil smoke, Avoid smoke spillage to object or elsewhere.
Cooking stove is made of switch 5, burner 6, fire cover 7 and corresponding shell and gas pipeline, and burner 6 is located in fire cover 7 Between, switch 5 is installed on the panel of gas kitchen range procapsid, and switch 5 is logical to control the combustion gas between gas pipeline and burner 6 It is disconnected;Be equipped with automatic cutting off device in cooking stove, the automatic cutting off device can when flame surprisingly extinguishes automatic self-closing gas;
The automatic cutting off device includes flame sensor 10, gas sensor, solenoid valve and microprocessor;The flame Sensor 10 is located on backboard 3 and is arranged in 6 rear end of burner, to monitor burner 6 with the presence or absence of flame and generate corresponding Electric signal;The solenoid valve is located in gas pipeline, and to control the gas on-off of gas pipeline, the gas sensor is located at On gas pipeline between solenoid valve and switch, to detect the combustion gas for whether having flowing in gas pipeline and generate corresponding electricity Signal;
Microprocessor acquires the electric signal of flame sensor 10 and gas sensor, controls the on-off of solenoid valve.
When flame sensor 10 detects the signal of 6 flame extinction of burner and gas sensor detects in gas pipeline have The signal of flowing gas after microprocessor obtains the & value signal of two sensors, is judged as that the flame of burner 6 extinguishes to be unexpected, The circulation for controlling solenoid valve cutting combustion gas, ensure that safety.
When flame sensor 10 detects the signal of flame extinction, and gas sensor detects in gas pipeline without flowing Gas illustrates that flame is artificial extinguishing, without carrying out any operation.
Temperature-detecting device, automatic cutting off device, centrifugal type wind wheel, switch 5 are electrically connected with microprocessor, 2 face of range hood Plate is equipped with the display screen 9 that can play music, video, and the face between 2 two fan housings 8 of range hood is arranged in the display screen 9 On plate, microprocessor is built in the back side of display screen 9 and is connected with display screen 9, and display screen 9 is set using touch display screen and shell There is waterproof cover;
Microprocessor is arranged in the display screen back side and avoids influence by cooking stove high temperature, while all cablings are settable It is beautiful and practical behind backboard 3.
The design of waterproof cover ensured display screen do not occur at for a long time have steam in the case where cause circuit board short circuit Fortuitous event guarantees Electrical Safety and durability,
Wifi module setting is electrically connected at 9 back side of display screen with microprocessor, and the microprocessor passes through wifi module and hand Machine app connection.
Wifi module includes that a wifi antenna, wifi transmitting-receiving process device, central comprehensive treatment device and control execute servo drive Dynamic model group, the signal input part of the signal input part connection wifi transmitting-receiving process device of the wifi antenna, wifi transmitting-receiving process device It will be transferred to central comprehensive treatment device processing after input signal processing conversion, the signal output end of central comprehensive treatment device passes through control System executes servo-drive mould group and executes signal.
It by the design of wifi module, connect display screen 9, range hood 2, gas kitchen range 1 can with mobile phone app, it is real Long-range control, the function of remote alarms are showed.The design in intelligent kitchen is realized, without necessary someone as before in kitchen To leave in room, bring conveniently.
It is equipped with warm table 14 between two single cooking stoves, the warm table 14 is equipped with an electromagnetic oven pedestal, electromagnetic oven pedestal Be equipped with power supply line perforation and power ground line, place an electromagnetic oven on electromagnetic oven pedestal, the electromagnetic oven built-in circuit with it is micro- Processor is connected, and the microprocessor is powered by DC-stabilized circuit.
Range hood 2 further includes combustible gas probe and alarm system;The combustible gas probe and and alarm system System connection microprocessor, combustible gas probe generates electric signal for detecting gas concentration, and sends the signal to micro process Device, microprocessor control alarm system is alarmed, while being sent warning message and being given mobile phone app.
Range hood 2 has automatic shut-off function, and display screen 9 can play music when range hood 2 works, and current music is broadcast According to directly shutdown is reminded after putting, be delayed automatic shutdown after a certain period of time after can also being played by current music, closes Machine mode is ac dump, controls master switch by relay, usually can thoroughly power off when not used, and energy saving is kept away again simultaneously Exempt from kitchen ventilator to be powered for a long time because of voltage fluctuation or outside cause, damages internal circuit.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (8)

1. a kind of range hood kitchen range integrated apparatus, which is characterized in that be made of, inhale gas kitchen range (1) and range hood (2) Kitchen ventilator (2) is located at the top of gas kitchen range (1), and range hood (2) and gas kitchen range (1) are assembled into one by backboard (3) Body;Dismountable oil storage box (4) are equipped with below the backboard (3);The range hood is equipped with temperature-detecting device, the temperature Spend the detectable kettle temperature of detection device;
The gas kitchen range (1) includes two cooking stoves, the fan housing (8) of a corresponding range hood (2), fan housing above each cooking stove (8) centrifugal type wind wheel is equipped in, to form negative pressuren zone smoke evacuation;
Cooking stove is constituted by switching (5), burner (6), fire cover (7) and corresponding shell and gas pipeline, and burner (6) is located at fire cover (7) intermediate, on the panel of switch (5) installation gas kitchen range procapsid, switch (5) to control gas pipeline and burner (6) it Between combustion gas on-off;Automatic cutting off device is equipped in cooking stove, the automatic cutting off device can close automatically when flame surprisingly extinguishes Close combustion;
The temperature-detecting device, automatic cutting off device, centrifugal type wind wheel, switch (5) are electrically connected with microprocessor, and microprocessor is logical It crosses wifi module to connect with mobile phone app, the microprocessor and wifi module are set on face plate of smoke exhaust ventilator, the fume-exhausting Machine side plate is equipped with the display screen (9) that can play music, video.
2. a kind of range hood kitchen range integrated apparatus according to claim 1, which is characterized in that described to automatically shut down the gas piping dress It sets including flame sensor (10), gas sensor, solenoid valve and microprocessor;The flame sensor (10) is located at backboard (3) on and it is arranged in burner (6) rear end, to monitor burner (6) with the presence or absence of flame and generate corresponding electric signal;It is described Solenoid valve is located in gas pipeline, and to control the gas on-off of gas pipeline, the gas sensor is located at solenoid valve and opens On gas pipeline between pass, to detect the combustion gas for whether having flowing in gas pipeline and generate corresponding electric signal;
Microprocessor acquires the electric signal of flame sensor (10) and gas sensor, controls the on-off of solenoid valve.
3. a kind of range hood kitchen range integrated apparatus according to claim 1, which is characterized in that the temperature detection dress Below two fan housings (8), a temperature sensor (11), the temperature sensor are respectively provided with below two fan housings (8) (11) telescopic device is equipped between fan housing (8), the telescopic device includes the positioning pipe (13) being fixed on fan housing (8) ontology And it is plugged on the adjustable pipe (12) being slidably matched in the positioning pipe (13) and with positioning pipe (13) inner wall, the adjustable pipe (12) locating part for preventing only adjustable pipe (12) disengaging positioning pipe (13), the adjustable pipe are equipped between positioning pipe (13) (12) top is fixedly connected with temperature sensor (11), and the adjustable pipe (12) is extending to burner (6) position, and the temperature passes Microprocessor is transferred to after sensor (11) temperature collection data, temperature data is shown (9) on a display screen by microprocessor.
4. a kind of range hood kitchen range integrated apparatus according to claim 3, which is characterized in that the display screen (9) Be arranged on the panel between (2) two fan housings (8) of range hood, microprocessor be built in the back side of display screen (9) and with it is aobvious Display screen (9) is connected, and display screen (9) is equipped with waterproof cover using touch display screen and shell;Wifi module is arranged at the display screen back side It is electrically connected with microprocessor, the microprocessor is connect by wifi module with mobile phone app.
5. a kind of range hood kitchen range integrated apparatus according to claim 1, which is characterized in that described two list cooking stoves Between be equipped with warm table (14), the warm table (14) is equipped with an electromagnetic oven pedestal, and electromagnetic oven pedestal wears equipped with power supply line Hole and power ground line place an electromagnetic oven on electromagnetic oven pedestal, and the electromagnetic oven built-in circuit is connected with microprocessor, described Microprocessor is powered by DC-stabilized circuit.
6. a kind of range hood kitchen range integrated apparatus according to claim 1, which is characterized in that range hood (2) is also Including combustible gas probe and alarm system;The combustible gas probe connects microprocessor with alarm system, flammable Gas detector generates electric signal for detecting gas concentration, and sends the signal to microprocessor, microprocessor control alarm System is alarmed, while being sent warning message and being given mobile phone app.
7. a kind of range hood kitchen range integrated apparatus according to claim 1, which is characterized in that range hood has certainly Dynamic shut-off function, display screen can play music when range hood works, and current music directly shuts down after playing according to prompting, Be delayed automatic shutdown after a certain period of time after can also being played by current music, and shutdown mode is ac dump, passes through relay Device controls master switch, usually can thoroughly power off when not used, and energy saving avoids kitchen ventilator from being powered for a long time because of voltage wave again simultaneously Dynamic or outside cause damages internal circuit.
8. a kind of range hood kitchen range integrated apparatus according to claim 1, which is characterized in that the WIFI module packet It includes a WIFI antenna, WIFI transmitting-receiving process device, central comprehensive treatment device and control and executes servo-drive mould group, the WIFI antenna Signal access port connection WIFI transmitting-receiving process device signal input part, WIFI transmitting-receiving process device by input signal processing conversion after It is transferred to central comprehensive treatment device processing, the signal output end of central comprehensive treatment device executes servo-drive mould group by control and holds Row signal.
CN201811304760.6A 2018-11-02 2018-11-02 Range hood kitchen range integrated apparatus Pending CN109237580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811304760.6A CN109237580A (en) 2018-11-02 2018-11-02 Range hood kitchen range integrated apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811304760.6A CN109237580A (en) 2018-11-02 2018-11-02 Range hood kitchen range integrated apparatus

Publications (1)

Publication Number Publication Date
CN109237580A true CN109237580A (en) 2019-01-18

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02225914A (en) * 1989-02-28 1990-09-07 Matsushita Seiko Co Ltd Exhausting device for cooking
CN201445132U (en) * 2009-05-14 2010-05-05 李荣坤 Household equipment integrating cooking, oil-smoke exhaust and disinfection
CN105299722A (en) * 2015-10-26 2016-02-03 中山市通富电器有限公司 Intelligent integrated cooker with built-out gas exhaust fan with wireless fidelity (WIFI) automatic detection monitoring
CN205048521U (en) * 2015-10-20 2016-02-24 浙江科恩电器有限公司 Integrated kitchen that smoking board can go up and down
CN106647469A (en) * 2016-12-01 2017-05-10 陈超 Intelligent kitchen cooking system
CN106838998A (en) * 2017-03-10 2017-06-13 李明守 A kind of intelligent gas integrated kitchen range system
CN107763704A (en) * 2017-12-21 2018-03-06 南京菱亚汽车技术研究院 It is a kind of can security monitoring flame size domestic intelligent smoking machine
CN207922333U (en) * 2018-01-31 2018-09-28 江西水利职业学院(江西省水利水电学校、江西省灌溉排水发展中心、江西省水利工程技师学院) Smoke exhaust ventilator with automatic control device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02225914A (en) * 1989-02-28 1990-09-07 Matsushita Seiko Co Ltd Exhausting device for cooking
CN201445132U (en) * 2009-05-14 2010-05-05 李荣坤 Household equipment integrating cooking, oil-smoke exhaust and disinfection
CN205048521U (en) * 2015-10-20 2016-02-24 浙江科恩电器有限公司 Integrated kitchen that smoking board can go up and down
CN105299722A (en) * 2015-10-26 2016-02-03 中山市通富电器有限公司 Intelligent integrated cooker with built-out gas exhaust fan with wireless fidelity (WIFI) automatic detection monitoring
CN106647469A (en) * 2016-12-01 2017-05-10 陈超 Intelligent kitchen cooking system
CN106838998A (en) * 2017-03-10 2017-06-13 李明守 A kind of intelligent gas integrated kitchen range system
CN107763704A (en) * 2017-12-21 2018-03-06 南京菱亚汽车技术研究院 It is a kind of can security monitoring flame size domestic intelligent smoking machine
CN207922333U (en) * 2018-01-31 2018-09-28 江西水利职业学院(江西省水利水电学校、江西省灌溉排水发展中心、江西省水利工程技师学院) Smoke exhaust ventilator with automatic control device

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