阅读说明：本技术 一种吸油烟机和灶具联动的组合设备及吸油烟机 (Range hood and kitchen range linked combined equipment and range hood ) 是由 王掞 赵亮 李美恒 秦英哲 陈璐 于 2020-04-26 设计创作，主要内容包括：本发明公开一种吸油烟机和灶具联动的组合设备及吸油烟机,涉及厨房电气设备技术领域,用于解决现有技术中吸油烟机中的显示装置显示内容单一或尺寸受限的问题。本发明的吸油烟机包括：吸油烟机本体；投影装置,所述投影装置安装在所述吸油烟机本体上；烟机控制装置,所述烟机控制装置包括存储模块和主控模块,所述存储模块用于存储多个显示信息；所述主控模块分别与所述存储模块、所述投影装置连接,所述主控模块用于将所述存储模块存储的显示信息作为投影画面发给所述投影装置,所述投影装置用于将所述主控模块发出的投影画面进行投影。本发明的吸油烟机和灶具联动的组合设备可实现在同一显示区域的联动控制。(The invention discloses a range hood and kitchen range linked combined equipment and a range hood, relates to the technical field of kitchen electrical equipment, and is used for solving the problem that a display device in the range hood in the prior art is single in display content or limited in size. The range hood of the invention includes: a range hood body; the projection device is arranged on the range hood body; the cigarette machine control device comprises a storage module and a main control module, wherein the storage module is used for storing a plurality of pieces of display information; the main control module is respectively connected with the storage module and the projection device, the main control module is used for sending the display information stored by the storage module to the projection device as a projection picture, and the projection device is used for projecting the projection picture sent by the main control module. The combined equipment for linking the range hood and the kitchen range can realize linkage control in the same display area.)

1. The utility model provides a combination equipment of range hood and cooking utensils linkage which characterized in that includes:

a range hood body;

the cooker comprises a cooker body and a cooker control device;

the cooker control device comprises a cooker control module and a first communication module, the cooker control module is used for controlling the operation of a driving device in the cooker body, and the first communication module is connected with the cooker control module;

the projection device is arranged on the range hood body;

the cigarette machine control device comprises a storage module and a main control module;

the storage module is used for storing a plurality of display information; the main control module is respectively connected with the storage module and the projection device, the main control module is used for sending the display information stored by the storage module to the projection device as a projection picture, and the projection device is used for projecting the projection picture sent by the main control module;

the smoke machine control device comprises a second communication module, the second communication module is in communication connection with the first communication module, and the first communication module is used for sending the operation state information of the kitchen range fed back by the kitchen range control module to the second communication module;

the second communication module is connected with the main control module, and the main control module is further used for sending the operation state information of the cooking utensils received by the second communication module to the projection device as a projection picture.

2. The range hood and cooker linked combination as claimed in claim 1, wherein the range hood control device further comprises:

the range hood control module is used for controlling the operation of a driving device in the range hood body;

the main control module is connected with the range hood control module and is further used for sending the running state information of the range hood acquired from the range hood control module to the projection device as a projection picture.

3. The range hood and cooker linked combination as claimed in claim 2, wherein the range hood control device further comprises:

and the main control module is also used for searching the required display information in the internet through the network module and sending the searched display information to the projection device as a projection picture.

4. The range hood and range linked combination apparatus of claim 3, wherein the storage module stores a plurality of display information including one or more virtual operation interfaces, the range hood control device further comprising:

the virtual operation processing module is connected with the main control module and is used for determining a corresponding control instruction on the current virtual operation interface according to the operation of a user on the virtual operation interface;

the main control module is further configured to, when the control instruction determined by the virtual operation processing module is to replace a projection screen, obtain corresponding display information from the storage module or the network module as the projection screen, and send the projection screen to the projection apparatus; when the control instruction determined by the virtual operation processing module is used for controlling the range hood body, the control instruction for controlling the range hood body is sent to the range hood control module; the range hood control module is specifically used for controlling a driving device in the range hood body to execute corresponding control operation according to the control instruction sent by the main control module.

5. The range hood and cooker linked combination according to claim 4, wherein the virtual operation processing module comprises:

the virtual operation sampling unit is used for collecting an operation picture and/or an operation video of a user on a virtual operation interface;

the virtual operation identification unit is connected with the virtual operation sampling unit and is used for carrying out data processing on the operation pictures and/or operation videos collected by the virtual operation sampling unit and identifying gesture operation of a user on a virtual operation interface;

the virtual operation determining unit is respectively connected with the virtual operation recognition unit and the main control module, and is used for determining a control instruction corresponding to the gesture operation on the current virtual operation interface according to the gesture operation recognized by the virtual operation recognition unit.

6. The range hood and cooker linked combination device of claim 1, wherein the main control module is further configured to send the control instruction for controlling the cooker body to the first communication module through the second communication module when the control instruction determined by the virtual operation processing module is for controlling the cooker body;

the cooker control module is also used for controlling a driving device in the cooker body to execute corresponding control operation according to the control instruction received by the first communication module.

7. A range hood, comprising:

a master controller;

the projection device is connected with the main controller, the main controller sends the stored display information to the projection device as a projection picture, and the projection device is used for projecting the projection picture sent by the main controller.

8. The range hood of claim 7, wherein the display information stored by the master controller comprises one or more virtual operation interfaces, and the range hood further comprises:

a range hood controller;

the shooting device is used for shooting an operation picture and/or an operation video of a user on the virtual operation interface;

the virtual operation recognition controller is used for carrying out data processing on an operation picture and/or an operation video acquired by the shooting device, recognizing gesture operation of a user on a current virtual operation interface and determining a control instruction corresponding to the gesture operation on the current virtual operation interface;

the main controller is further configured to, when the control instruction determined by the virtual operation processor is to replace a projection picture, acquire corresponding display information from the storage module or the network module as the projection picture, and send the projection picture to the projection device; when the control instruction determined by the virtual operation processor is used for controlling the range hood body, the control instruction for controlling the range hood body is sent to the range hood controller; the range hood controller is specifically used for controlling the driving device in the range hood body to execute corresponding control operation according to the control instruction sent by the main controller.

9. The range hood of claim 8, wherein the camera device comprises an infrared sensor and a video camera, the infrared sensor is used for shooting an operation picture of the user on the virtual operation interface, and the video camera is used for shooting an operation video of the user on the virtual operation interface.

10. The range hood of claim 7, further comprising:

and the loudspeaker is used for playing the sound file stored in the main controller.

Technical Field

The invention relates to the technical field of kitchen electrical equipment, in particular to combined equipment for linkage of a range hood and a kitchen range and the range hood.

Background

The range hood is a common kitchen equipment, which is installed above a kitchen range, can rapidly exhaust waste burned by the range and oil fume harmful to human bodies generated in the cooking process, and exhaust the waste and the oil fume to the outside, and simultaneously condenses and collects the oil fume, thereby reducing pollution, purifying air, and having the safety guarantee effects of gas defense and explosion prevention.

Display device among the current range hood is the charactron, TFT screen etc, receive the restriction of the size restriction on the lampblack absorber and the restriction of structure position, the display area of charactron or TFT screen is less, lead to its display effect and display content to receive certain influence, display content such as the charactron can have the content singleness and can only be applied to simple information display, and TFT screen display size receives the influence of lampblack absorber top panel size and can not do too greatly, the position of two kinds of display modes is all fixed and can not be adjusted.

Disclosure of Invention

The invention provides a combined device for linkage of a range hood and a kitchen range and the range hood, which are used for solving the problem that a display device in the range hood in the prior art is single in display content or limited in size.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, the present invention provides a combined device for linkage of a range hood and a kitchen range, comprising:

a range hood body;

the cooker comprises a cooker body and a cooker control device;

the cooker control device comprises a cooker control module and a first communication module, the cooker control module is used for controlling the operation of a driving device in the cooker body, and the first communication module is connected with the cooker control module;

the projection device is arranged on the range hood body;

the cigarette machine control device comprises a storage module and a main control module;

the storage module is used for storing a plurality of display information; the main control module is respectively connected with the storage module and the projection device, the main control module is used for sending the display information stored by the storage module to the projection device as a projection picture, and the projection device is used for projecting the projection picture sent by the main control module;

the smoke machine control device comprises a second communication module, the second communication module is in communication connection with the first communication module, and the first communication module is used for sending the operation state information of the kitchen range fed back by the kitchen range control module to the second communication module;

the second communication module is connected with the main control module, and the main control module is further used for sending the operation state information of the cooking utensils received by the second communication module to the projection device as a projection picture.

The invention provides a range hood and a combined device for linkage of the range hood and a kitchen range, which comprises a range hood body, a projection device, a range hood control device and a kitchen range, wherein the projection device is arranged on the extractor hood body, the extractor hood control device comprises a storage device and a main control module, the storage module stores a plurality of pictures or videos, the main control module is respectively connected with the storage module and the projection device, when the user selects the display information from the storage module and requires projection, the main control module sends the display information selected from the storage module to the projection device as a projection picture, the projection device projects the projection picture sent by the main control module, if the projection picture is projected on the wall between the range hood and the stove or directly projected on the stove, the display area is large, the content capable of being displayed is more, the display position is adjustable, and the display effect is better.

The invention provides a combined device for linkage of a range hood and a kitchen range, which comprises the kitchen range and the range hood in the embodiment; the cooker comprises a cooker body and a cooker control device, wherein the cooker control device comprises a cooker control module and a first communication module, the cooker control module is used for controlling the operation of a driving device in the cooker body, and the first communication module is connected with the cooker control module; the smoke machine control device also comprises a second communication module, the second communication module is in communication connection with the first communication module, and the first communication module is used for sending the operation state information of the kitchen range fed back by the kitchen range control module to the second communication module; the second communication module is connected with the main control module, the main control module is further used for sending the operation state information of the cooking utensils, received by the second communication module, to the projection device as a projection picture, and the projection device can display the operation state information of the cooking utensils.

In some possible embodiments of the invention, the range hood control device further comprises a range hood control module, and the range hood control module is used for controlling the operation of the driving device in the range hood body; the main control module is connected with the range hood control module and is further used for sending the running state information of the range hood acquired from the range hood control module to the projection device as a projection picture, and the running state information of the range hood can be displayed.

In some possible embodiments of the invention, the cigarette maker controlling means further comprises: and the main control module is also used for searching the required display information in the internet through the network module, sending the searched display information to the projection device as a projection picture, and realizing the networking interaction of the range hood.

In some possible embodiments of the present invention, the storing of the plurality of display information in the storage module includes one or more virtual operation interfaces, and the cigarette maker controlling device further includes: the virtual operation processing module is connected with the main control module and is used for determining a corresponding control instruction on the current virtual operation interface according to the operation of a user on the virtual operation interface; the main control module is further configured to, when the control instruction determined by the virtual operation processing module is to replace a projection screen, obtain corresponding display information from the storage module or the network module as the projection screen, and send the projection screen to the projection apparatus; when the control instruction determined by the virtual operation processing module is used for controlling the range hood body, the control instruction for controlling the range hood body is sent to the range hood control module; the range hood control module is specifically used for controlling the driving device in the range hood body to execute corresponding control operation according to the control instruction sent by the main control module, human-computer interaction can be realized without touching keys, the interaction mode is more friendly, and the fun of a user in cooking is increased.

In some possible embodiments of the invention, the virtual operation processing module includes: the virtual operation sampling unit is used for collecting an operation picture and/or an operation video of a user on a virtual operation interface; the virtual operation identification unit is connected with the virtual operation sampling unit and is used for carrying out data processing on the operation pictures and/or operation videos collected by the virtual operation sampling unit and identifying gesture operation of a user on a virtual operation interface; the virtual operation determining unit is respectively connected with the virtual operation recognition unit and the main control module, and is used for determining a control instruction corresponding to the gesture operation on the current virtual operation interface according to the gesture operation recognized by the virtual operation recognition unit.

In some possible embodiments of the present invention, the main control module is further configured to send the control instruction for controlling the cooker body to the first communication module through the second communication module when the control instruction determined by the virtual operation processing module is for controlling the cooker body; the cooker control module is also used for controlling a driving device in the cooker body to execute corresponding control operation according to the control instruction received by the first communication module, so that the linkage control of the range hood and the cooker is realized.

In a second aspect, the invention provides a range hood, which comprises a main controller; the projection device is connected with the main controller, the main controller sends the stored display information to the projection device as a projection picture, and the projection device is used for projecting the projection picture sent by the main controller.

In some possible embodiments of the present invention, the display information stored by the main controller includes one or more virtual operation interfaces, and the range hood further includes: a range hood controller; the shooting device is used for shooting an operation picture and/or an operation video of a user on the virtual operation interface; the virtual operation recognition controller is used for carrying out data processing on an operation picture and/or an operation video acquired by the shooting device, recognizing gesture operation of a user on a current virtual operation interface and determining a control instruction corresponding to the gesture operation on the current virtual operation interface; the main controller is further configured to, when the control instruction determined by the virtual operation processor is to replace a projection picture, acquire corresponding display information from the storage module or the network module as the projection picture, and send the projection picture to the projection device; when the control instruction determined by the virtual operation processor is used for controlling the range hood body, the control instruction for controlling the range hood body is sent to the range hood controller; the range hood controller is specifically used for controlling the driving device in the range hood body to execute corresponding control operation according to the control instruction sent by the main controller.

In some possible embodiments of the present invention, the shooting device includes an infrared sensor for shooting an operation picture of the user on the virtual operation interface, and a video camera for shooting an operation video of the user on the virtual operation interface.

In some possible embodiments of the present invention, the range hood further includes: and the loudspeaker is used for playing the sound file stored in the main controller.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a combined device for linkage of a range hood and a kitchen range according to an embodiment of the present invention;

FIG. 2 is a schematic view of a range in a combined device of a range hood and a range linkage according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of module connection of the range hood according to the embodiment of the present invention;

FIG. 4 is a schematic diagram of unit connection of a virtual operation processing module in the range hood according to the embodiment of the present invention;

fig. 5 is a schematic diagram of module connection of a range hood and kitchen range linkage combined device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, "and/or" is only one kind of association relationship describing an association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Referring to fig. 3-3, the range hood and kitchen range linked combination equipment of the embodiment of the invention comprises a range hood body 10, a projection device 11, a range hood control device and a kitchen range, wherein the projection device 11 is installed on the range hood body 10; the cigarette machine control device comprises a storage module and a main control module, the storage module is used for storing a plurality of display information, the main control module is respectively connected with the storage module and the projection device 11, the main control module is used for sending the display information stored by the storage module to the projection device 11 as a projection picture, and the projection device 11 is used for projecting the projection picture sent by the main control module.

The invention provides a combined device for linkage of a range hood and a kitchen range, which comprises a range hood body 10, a projection device 11 and a range hood control device, wherein the projection device 11 is arranged on the range hood body 10, the range hood control device comprises a storage device and a main control module, the storage module stores a plurality of pictures or videos, the main control module is respectively connected with the storage module and the projection device 11, when a user selects display information from the storage module and requires projection, the main control module sends the display information selected from the storage module to the projection device 11 as a projection picture, the projection device 11 projects the projection picture sent by the main control module, for example, the projection picture is projected on a wall between the range hood and the kitchen range, or directly projected on the kitchen range, or directly projected to the front of the range hood body 10, the display area is large, the content capable of displaying is more, and the display position is adjustable, the display effect is better.

The range hood and the range linkage combined equipment comprise a range and the range hood of the embodiment, wherein the range comprises a range body 12 and a range controller, and the range controller comprises a first wireless network module; the main controller in the range hood comprises a second wireless network module, the first wireless network module and the second wireless network module can be connected to the same wireless local area network, the stove controller is used for transmitting the operation state information of the stove to the first wireless network module through the second wireless network module, and the main controller is further specifically used for sending the operation state information of the stove received by the second wireless network module to the projection device 11 as a projection picture. The kitchen range and the range hood in the combined equipment realize data interaction through a wireless local area network and can realize linkage of the kitchen range and the range hood.

Based on the above embodiment, the main controller is further configured to send the control instruction for controlling the cooker body 12 determined by the virtual operation processor to the first wireless network module through the second wireless network module when the control instruction determined by the virtual operation processor is for controlling the cooker body 12, and the cooker control module is configured to control the driving device in the cooker body 12 to execute a corresponding control operation according to the control instruction received by the first wireless network module.

It should be noted that: the range hood body 10 includes a casing, an air duct, a fan, a check valve, a smoke guiding device, a smoke exhaust device, an oil collecting and discharging device, a lighting device, a power switch, and the like.

In some embodiments, the range hood control device is built in the range hood body 10, and further includes a range hood control module, the range hood control module is configured to control operation of the driving device in the range hood body 10, the main control module is connected to the range hood control module, and the main control module is further configured to send the operation state information of the range hood, which is acquired from the range hood control module, to the projection device 11 as a projection picture, so that the projection device 11 can display the operation state information of the range hood.

The driving device comprises a motor in the fan, a driving motor of the smoke guide plate, a control valve in the smoke exhaust pipeline and the like, and the running state information of the range hood comprises fan wind speed, lighting switch information, the opening state of the smoke guide plate and the like. The above-mentioned smoke machine control module can be a controller which is used for controlling the driving device of the smoke machine body 10 independently, and the controller can be a single chip microcomputer or a control module which is integrated on the main controller.

Based on the above embodiment, the control device further includes a network module, the network module is connected to the main control module, the main control module is further configured to search for required display information in the internet through the network, and send the searched display information to the projection device 11 as a projection picture, if a user needs to search for a certain menu not stored in the storage module, the user can search for a corresponding menu graphic description or production video through the network module, and project the menu graphic description or production video, thereby facilitating the user to watch and learn. Specifically, the network module may be a wireless network card.

It should be noted that the storage module includes a RAM (Random Access Memory) and a ROM (Read-Only Memory), the real-time operating state information of the driving device in the range hood and the display information required for searching in the internet are stored in the Random Access Memory, the commonly used cooking recipe pictures and videos are stored in the Read-Only Memory in a pre-stored or downloaded manner, and the main control module may be a single chip microcomputer.

In some embodiments, the storage module stores a plurality of display information including one or more virtual operation interfaces, the control module further includes a virtual operation processing module, the virtual operation processing module is connected to the main control module, and the virtual operation processing module is configured to determine, according to an operation of a user on the virtual operation interface, a control instruction corresponding to the current virtual operation interface; the main control module is further configured to, when the control instruction determined by the virtual operation processing module is to replace the projection screen, obtain corresponding display information from the storage module or the network module as the projection screen, and send the projection screen to the projection apparatus 11, so as to achieve the purpose of replacing the projection screen, such as replacing the projection screen with another virtual operation interface, or characters, pictures, or videos retrieved by other users; the main control module is further configured to send the control instruction for controlling the range hood body 10, which is determined by the virtual operation processing module, to the smoke machine control module when the control instruction determined by the virtual operation processing module is for controlling the range hood body 10, and the smoke machine control module is specifically configured to control the driving device in the range hood body 10 to execute corresponding control operations, such as turning on or off the fan, turning on or off the illumination, turning on or off the smoke guide plate, adjusting the rotation speed of the fan, and the like, according to the control instruction sent by the main control module. The user can control the range hood body 10 and the projection device 11 through the virtual operation interface, the man-machine interaction is more friendly, the fun of the user in cooking is increased, and the hobbies and the requirements of different crowds are better met.

It should be noted that, referring to fig. 5, the virtual operation processing module specifically includes a virtual operation sampling unit, a virtual operation identification unit, and a virtual operation determination unit, where the virtual operation sampling unit is configured to collect an operation picture of a user on a virtual operation interface, or collect an operation video of the user on the virtual operation interface, or collect the operation picture and the operation video of the user on the virtual operation interface; the virtual operation identification unit is connected with the virtual operation sampling unit and is used for carrying out data processing on the operation picture acquired by the virtual operation sampling unit, or carrying out data processing on the operation video acquired by the virtual operation sampling unit, or carrying out data processing on the operation picture and the operation video acquired by the virtual operation sampling unit, and identifying gesture operations of a user on a virtual operation interface, such as clicking, sliding and the like; the virtual operation determining unit is respectively connected with the virtual operation recognition unit and the main control module, and is further used for determining a control instruction corresponding to the gesture operation on the current virtual operation interface according to the gesture operation recognized by the operation recognition module.

It should be noted that the virtual operation sampling unit may be a camera or a video camera, and the virtual operation recognition unit and the virtual operation determination unit may be a microprocessor integrated with these two functions, or may be one or two modules with data processing functions integrated on the microprocessor of the main control module or the microprocessor of the projection apparatus 11.

In order to meet the requirement of equipment application that some range hoods and kitchen ranges adopt the same control system for control, referring to fig. 5, the embodiment of the invention further comprises a combined device for linkage of the range hood and the kitchen range, wherein the combined device comprises the kitchen range and the range hood with the virtual operation recognition function in the embodiment, the kitchen range comprises a kitchen range body 12 and a kitchen range control device, the kitchen range control device comprises a kitchen range control module and a first communication module, the kitchen range control module is used for controlling the operation of a driving device in the kitchen range body 12, and the first communication module is connected with the kitchen range control module; the control device of the range hood further comprises a second communication module, the second communication module is in communication connection with the first communication module, and the first communication module is used for sending the operation state information of the range fed back by the range control module to the second communication module; the second communication module is connected with the main control module, and the main control module is further used for sending the operation state information of the kitchen range received by the second communication module to the projection device 11 as a projection picture, so that the projection device 11 can also project the operation state information of the kitchen range, and a user can know the operation state information of the range hood and the kitchen range in the projection picture.

It should be noted that the cooker body 12 includes a gas pipeline, a control valve in the gas pipeline, an ignition device, a burner, a pot supporting device, and the like. The driving device in the cooker body 12 includes a control valve, an ignition device, a burner, and the like. The operation state information of the kitchen range comprises the current firepower size, firepower operation modes (such as a quick-frying mode, a porridge steaming mode and the like), the operation time of the kitchen range and the like.

Similarly, the main control module is further configured to send the control instruction for controlling the cooker body 12 determined by the virtual operation processing module to the first communication module through the second communication module when the control instruction determined by the virtual operation processing module is for controlling the cooker body 12, and the cooker controller is further configured to control the driving device in the cooker body 12 to execute corresponding control operations according to the control instruction received by the first communication module, such as controlling the cooker to be opened or closed, adjusting the fire power, adjusting the opening time of the cooker, and the like, so as to achieve the purpose of controlling the cooker by operating the user on the virtual operation interface.

The embodiment of the invention also comprises a range hood, the range hood comprises a main controller and a projection device 11, the projection device 11 is connected with the main controller, the main controller sends the stored display information to the projection device 11 as a projection picture, and the projection device 11 is used for projecting the projection picture sent by the main controller. The structure of the range hood of the present embodiment is the same as that of the range hood of the above embodiments, so that the same technical effects as those of the above embodiments can be obtained, and further description is omitted here.

The extractor hood further comprises a smoke machine controller and a shooting device, the shooting device is used for shooting operation pictures of users on the virtual operation interfaces, or shooting operation videos of the users on the virtual operation interfaces, or shooting the operation pictures and the operation videos of the users on the virtual operation interfaces, the virtual operation processor is connected with the shooting device, and the virtual operation recognition controller is used for carrying out data processing on the operation pictures collected by the shooting device, or carrying out data processing on the operation videos collected by the shooting device, or carrying out data processing on the operation pictures and the operation videos collected by the shooting device, recognizing gesture operations of the users on the virtual operation interfaces and determining control instructions corresponding to the gesture operations on the current virtual operation interfaces. The main controller is further configured to, when the control instruction determined by the virtual operation processor is to replace the projection screen, obtain corresponding display information from the storage module or the network module as the projection screen, and send the projection screen to the projection apparatus 11; when the control instruction determined by the virtual operation processor is used for controlling the range hood body 10, the control instruction for controlling the range hood body 10 is sent to the range hood controller; the range hood controller is specifically configured to control the driving device in the range hood body 10 to perform corresponding control operations according to the control instruction sent by the main controller.

The projection device 11 may be a Digital Light Processing (DLP) device, and the projected moving image has bright, fine, natural and vivid colors and good projection effect.

The shooting device can be an infrared sensor, or a video camera, or comprises an infrared sensor and a video camera. The infrared sensor is used for shooting an operation picture of a user on the virtual operation interface, and the light projected by the projection device 11 is filtered by the internal filter membrane and only comprises a visible light part, so that the infrared sensor can capture and shoot the operation process of the user, and the operation picture of the user is separated from the virtual operation interface; the video camera is used for shooting an operation video of a user on the virtual operation interface, a camera of the video camera actively emits infrared light to enhance the infrared light irradiated on the user body, so that an action image operated by the user can be further separated from the virtual operation interface, a plurality of user operation images with black and white monochromatic backgrounds are obtained, the virtual operation processor can process the obtained plurality of user operation images by adopting an image difference technology, the gesture operation of the user on the current virtual operation interface is recognized, then data analysis is carried out by combining the current virtual operation interface, the gesture operation and the position of the user, a control instruction corresponding to the gesture operation is determined, and the recognition accuracy is high.

Based on the above embodiments, the range hood of the embodiments of the present invention further includes a speaker, and the speaker is configured to play the sound files stored in the main controller, such as the alarm information and the sound in the video.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.