CN111613471B

CN111613471B - Operating assembly and household appliance

Info

Publication number: CN111613471B
Application number: CN202010475232.8A
Authority: CN
Inventors: 黄伟群; 李龙昌; 梁锐庆; 秦雄华; 朱洁乐
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2023-01-24
Anticipated expiration: 2040-05-29
Also published as: CN111613471A

Abstract

The invention discloses an operation assembly and a household appliance, wherein the operation assembly comprises a shell assembly, a display assembly and a control assembly, the display assembly and the control assembly are installed on the shell assembly, the display assembly comprises a display screen, a knob surrounding the display screen and a key positioned behind the display screen, the display screen can be pressed to trigger the key, and the control assembly is connected with the display assembly and used for controlling the display screen to display the working state of the household appliance and controlling the household appliance to operate according to the operation of the knob and the key. Among above-mentioned domestic appliance's the operating assembly, the display module collects operation and shows function in an organic whole, and operating assembly occupation space is few, and user operation is convenient, and the information that the display screen shows is directly perceived easily moreover, has promoted user's usability.

Description

Operating assembly and household appliance

Technical Field

The invention relates to the technical field of electric appliances, in particular to an operating assembly and a household appliance.

Background

In the related art, the home appliance includes a panel on which a plurality of keys or knobs and an indicator lamp for displaying the operating state of the home appliance are provided. However, the arrangement occupies the space of the household appliance, brings a large amount of key operations to the user, the display of the indicator light is monotonous and the intuitiveness is not enough, the user is not easy to understand the working state of the current household appliance, and the inconvenience is brought to the user.

Disclosure of Invention

The embodiment of the invention provides an operating assembly and a household appliance.

The operating assembly provided by the embodiment of the invention is used for household appliances and comprises a shell assembly, a display assembly and a control assembly, wherein the display assembly and the control assembly are arranged on the shell assembly, the display assembly comprises a display screen, a knob surrounding the display screen and a key positioned behind the display screen, the display screen can be pressed to trigger the key, and the control assembly is connected with the display assembly and is used for controlling the display screen to display the working state of the household appliances and controlling the household appliances to operate according to the operation of the knob and the key.

Among the above-mentioned operating assembly, the display module collects operation and shows the function in an organic whole, and operating assembly occupation space is few, and user operation is convenient, and the information that the display screen shows is directly perceived easily moreover, has promoted user's usability.

In some embodiments, the display screen includes a display portion and a driving portion, the display portion is disposed on the driving portion, the driving portion is configured to drive the display portion to display an operating state of the household appliance, the driving portion is provided with a first communication interface, the control assembly is provided with a second communication interface, and the first communication interface is connected to the second communication interface.

In some embodiments, the display screen comprises an organic light emitting diode display screen.

In some embodiments, the operating assembly comprises an indicator light, the control assembly comprises a circuit board located behind the display screen, the indicator light is arranged on the circuit board and staggered with the display screen, and light emitted by the indicator light during operation passes through the periphery of the display screen.

In some embodiments, the indicator light includes a plurality of light emitting diodes arranged in a circle around the knob.

In some embodiments, the operating assembly includes at least one operating key provided on the housing assembly.

In some embodiments, the knob protrudes from the housing assembly, the knob forms a receiving cavity, and the display screen is located in the receiving cavity.

In some embodiments, one end of the receiving cavity is provided with a panel positioned in front of the display screen.

In some embodiments, the control assembly includes a controller and a circuit board, the controller being disposed on the circuit board, the controller electrically connecting the circuit board and the display assembly.

The household appliance provided by the embodiment of the invention comprises the operating assembly in any one of the above embodiments.

Among the above-mentioned domestic appliance, display module collects operation and demonstration function in an organic whole, and operating assembly occupation space is few, and user operation is convenient, and the information that shows screen display shows moreover is directly perceived understandable, has promoted user's usability.

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of the operative components of an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of the operative components of an embodiment of the present invention;

FIG. 3 is another schematic structural view of an operating assembly of an embodiment of the present invention;

fig. 4 is a further structural schematic of the operating assembly of an embodiment of the present invention.

Description of the main element symbols:

the operating device 100, the housing device 10, the display device 20, the display screen 22, the display portion 222, the driving portion 224, the first communication interface 2242, the knob 24, the receiving cavity 242, the panel 25, the keys 26, the control device 30, the second communication interface 32, the circuit board 34, the controller 36, the indicator 40, the light emitting diode 42, the operating key 50, the first operating key 52, and the second operating key 54.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this specification, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 and 4, an operating assembly 100 for a home appliance according to an embodiment of the present invention includes a housing assembly 10, a display assembly 20, and a control assembly 30. The display assembly 20 and the control assembly 30 are mounted to the housing assembly 10. The display assembly 20 includes a display screen 22 and a knob 24 surrounding the display screen 22 and keys 26 located behind the display screen 22. The display 22 is depressible to activate the keys 26. The control assembly 30 is connected to the display assembly 20 and is used for controlling the display screen 22 to display the operating status of the household appliance and controlling the operation of the household appliance according to the operations of the knob 24 and the key 26.

In the above-mentioned operating assembly 100, the display assembly 20 integrates the operating and displaying functions, the operating assembly 100 occupies a small space, the user operation is convenient, and the information displayed on the display screen 22 is intuitive and understandable, thereby improving the usability of the user.

In particular, the operating assembly 100 is applied to household appliances (not shown), including, but not limited to, microwave ovens, range hoods, cooking stoves, ovens, induction cookers, rice cookers, stereos, air conditioners, refrigerators, fans, and the like. In the embodiment of the present invention, the operation assembly 100 is mainly described by taking a household appliance as a microwave oven as an example. The household appliance can comprise a cavity, an operation assembly 100, a door body and a main control panel, wherein the operation assembly 100 is electrically connected with the main control panel. The door body is rotatably connected with the cavity, the cavity is provided with a cavity, a user can open the door body to open the cavity, then an object to be heated is placed in the cavity, then the door body is closed to close the cavity, and then the operation assembly 100 is operated to control the microwave oven to work, so that the object to be heated in the cavity is heated.

The operation assembly 100 may be located at the right side of the door body, and in other embodiments, the position arrangement of the operation assembly 100 and the door body may be in other situations. For example, in an example, the operation assembly 100 is located at the left side of the door body, or the operation assembly 100 is located above the door body, or the operation assembly 100 is located below the door body, which is not limited herein.

The operating assembly 100 may include a housing assembly 10, a display assembly 20, and a control assembly 30. The housing assembly 10 may mount the display assembly 20 and the control assembly 30. The display module 20 and the housing module 10 can be connected by screws, welding, clamping, bonding, etc. The specific connection of the operating assembly 100 to the housing assembly 10 is not further limited. In the embodiment of the present invention, the display assembly 20 is installed right above the housing assembly 10. Of course, the display assembly 20 may be provided at the top or the slope of the housing assembly 10 of the home appliance, and is not particularly limited thereto.

The display assembly 20 includes a display screen 22, knobs 24 and keys 26. Referring to fig. 1 and 3, the knob 24 is disposed around the display screen 22, and the key 26 is disposed behind the display screen 22, so that the display screen 22, the knob 24 and the key 26 are integrated. The display assembly 20 is connected to the control assembly 30, and the control assembly 30 can be used to control the display screen 22 of the display assembly 20, so that the display screen 22 can display the working state of the household appliance, the working temperature and the remaining working time of the household appliance, the working mode, and the like. The control assembly 30 may further control the operation of the household appliance, for example, control the household appliance identification, adjust parameters (e.g., increase or decrease temperature and time) based on the related operations of the knob 24 and the key 26. A trigger part (not shown) is arranged in the middle of the rear part of the display screen 22, the trigger part is arranged corresponding to the position of the key 26 at the rear part of the display screen 22, a spring (not shown) is arranged in the trigger part, and the display screen 22 can press the trigger part to enable the spring to generate elastic deformation so as to trigger the key 26 at the rear part of the display screen 22, so that the operation (such as pressing) of a user is fed back to the control component 30, and the control of the household appliance is realized; the knob 24 may be connected to an encoder (not shown) which may feed back user operation of the knob 24 to the control assembly 30, thereby controlling the household appliance. Wherein, under the condition that needs to confirm domestic appliance's state or setting, the user can directly click (press) display screen 22, and then makes trigger part trigger spring for the button 26 that is located the display screen 22 rear triggers work, confirms domestic appliance's state or setting, and button 26 can be said and confirm the key, or display screen 22 except that the function that shows, also can regard as a confirmation key itself.

Furthermore, in the present embodiment, the shape of the display screen 22 is circular, and in other embodiments, the shape of the display screen 22 may also be square, triangular, or other polygonal shapes. The specific shape of the display screen 22 is not limited herein. The knob 24 is cylindrical in shape, and in other embodiments, the knob 24 may also be prismatic, rectangular or other shapes. The specific shape of the knob 24 is not limited herein. The shape of the keys 26 may be circular, and in other embodiments, the shape of the keys 26 may also be square, triangular, or other polygonal shapes. The specific shape of the key 26 is not limited herein.

In some embodiments, referring to fig. 2 and 4, the display screen 22 includes a display portion 222 and a driving portion 224. The display unit 222 is provided on the driving unit 224, and the driving unit 224 is used for driving the display unit 222 to display the operating state of the home appliance. The driving portion 224 is provided with a first communication interface 2242, the control module 30 is provided with a second communication interface 32, and the first communication interface 2242 is connected with the second communication interface 32. In this way, the display portion 222 is driven by the driving portion 224 according to the control of the control assembly 30 to display, so that the user can simply and clearly obtain the working state of the household appliance through the display screen 22, and the communication is easily realized through the communication interface.

Specifically, referring to fig. 1, fig. 2 and fig. 4, the display screen 22 includes a display portion 222 and a driving portion 224. The display portion 222 and the driving portion 224 are electrically connected and disposed above the driving portion 224, the driving portion 224 can drive the display portion 222 to display the operating status of the household appliance, and the driving portion 224 can be a driving circuit board. The display screen 22 may be used to display system parameters or operating conditions of the appliance. The display unit 222 may display system parameters or operating states of the home appliance, such as temperature, power, an automatic menu, a selection menu, or an operating state. The operating state may be cooking, preheating, counting down, pausing or stopping, etc. The display 22 may be a touch screen, and a user may confirm or select the content displayed on the display 22 by touching the display 22, and the driving portion 224 may be provided with a first communication interface 2242, and the first communication interface 2242 is electrically connected to the second communication interface 32 of the control module 30.

In some embodiments, the display screen 22 comprises an organic light emitting diode display screen. Therefore, the freedom degree of the display content of the organic light-emitting diode display screen is large, the miniaturization of a display interface is kept while more content information is displayed, and then the display screen of the household appliance is simple and convenient to clean.

Specifically, the display screen 22 may be an organic light-Emitting Diode (OLED) display screen. The OLED display screen is a device for generating electroluminescence by utilizing a multi-layer organic thin film structure, is simple to manufacture and can be driven only by low driving voltage, so that the OLED display screen has higher freedom degree of displayed contents. Compared with a Light Emitting Diode (LED), the OLED display screen can dynamically display characters, images and the like, such as rich information of temperature, fire intensity, clock, automatic menu, selection menu or working state and the like, the display interface of the OLED display screen can be made very small and exquisite, more contents can be displayed simultaneously, and the cleaning of a user on household appliances is facilitated. Moreover, compared with a Liquid Crystal Display (LCD), the OLED Display screen is thinner and lighter in thickness, higher in brightness, low in power consumption, fast in response, high in definition, good in flexibility and high in luminous efficiency, and can realize the intuitive and understandable functions of displaying information of a household appliance.

In some embodiments, the operating assembly 100 includes an indicator light 40, the control assembly 30 includes a circuit board 34 positioned behind the display screen 22, the indicator light 40 is positioned on the circuit board 34 and offset from the display screen 22, and light emitted by the indicator light 40 when in operation exits through the periphery of the display screen 22. In this way, the indicator light 40 can be integrated with the display screen 22, so that the operation interface of the household appliance is simple.

Specifically, referring to fig. 1, 3 and 4, the operating assembly 100 further includes an indicator 40, the indicator 40 is offset from the display screen 22, and the indicator 40 can be disposed around the outer circumference of the display screen 22. The control assembly 30 is provided with a circuit board 34, the circuit board 34 can be positioned at the rear of the display screen 22, and the indicator light 40 is arranged on the circuit board 34, and the various states of the light emission of the indicator light 40 are controlled by the circuit board 34. Since the indicator 40 is disposed offset from the display screen 22, in the case that the indicator 40 is operated, the light emitted by the indicator 40 can be emitted through the periphery of the display screen 22, wherein the peripheral emission can include forward emission, oblique downward emission, and the like, and is not limited in particular.

In some embodiments, the indicator light 40 includes a plurality of light emitting diodes 42, the plurality of light emitting diodes 42 being arranged in a loop around the knob 24. Thus, the plurality of light emitting diodes 42 can be arranged in a circle along the knob 24, and the user can visually and clearly judge the state of the home appliance by the light emitted from the indicator lamp 40.

Specifically, referring to fig. 4, the indicator 40 may have a plurality of leds 42, the plurality of leds 42 may be arranged around the periphery of the knob 24, and the display 22 may be disposed above the knob 24, so the plurality of leds 42 may be arranged around the periphery of the display 22. In an embodiment of the present invention, the plurality of LEDs 42 are arranged in a ring shape to form an aperture when in operation. The indicator light 40 is arranged on the circuit board 34, and the various states of the light emission of the indicator light 40 are further controlled through the control of the circuit board 34. The plurality of light emitting diodes 42 can be independently controlled to emit light or extinguish the light, and can emit light with different colors when emitting light, so that the light emitting diodes can display more different types of light emitting states corresponding to different working states or parameters of household appliances, and further can represent the display of more states of the household appliances. In the embodiment of the present invention, the indicator 40 may be a water lamp display, in which a plurality of leds 42 are turned on and off according to a predetermined sequence and time under the control of the circuit board 34, so as to form a certain visual effect during the cooking process of the household appliance. The light emitting sequence can flow clockwise, can also flow anticlockwise, or comprises flowing clockwise and flowing anticlockwise, etc.; in the process that the household appliance is finished or stopped, the light emitting state of the indicator lamp 40 is flashing, namely, the plurality of light emitting diodes 42 are simultaneously lighted or simultaneously extinguished within a certain time interval; the indicator lamp 40 is in a state of continuously emitting light during the turn-on of the home appliance. In addition, the lighting state of the indicator lamp 40 may also be controlled to be left half lit and right half extinguished, or right half lit and left half extinguished, or upper half lit and lower half extinguished, or lower half lit and upper half extinguished, or other states, which are not specifically limited herein.

In some embodiments, the operating assembly 100 includes at least one operating key 50 provided on the housing assembly 10. Thus, the operation keys 50 with different functions further expand the functions of the household appliance, so that the functions of the household appliance are more complete.

Specifically, referring to fig. 1, fig. 3 and fig. 4, in the embodiment of the present invention, the housing assembly 10 is provided with two operation keys 50, and the operation keys 50 may be keys, in the embodiment of the present invention, the operation keys 50 may be touch keys, of course, in other embodiments, the operation keys 50 may be physical keys or sliding keys. And is not particularly limited herein.

In the embodiment of the present invention, the operation keys 50 may be positioned below the display assembly 20. In other embodiments, the position arrangement of the operation key 50 and the display module 20 may also be other cases, for example, in one example, the operation key 50 is located above the display module 20, or the operation key 50 is located at the left of the display module 20, or the operation key 50 is located at the right of the display module 20, which is not limited herein. Of course, in other embodiments, the number of the operation keys 50 may be one, or three, or more than three, and the number of the operation keys 50 is not particularly limited herein.

In the embodiment of the present invention, the operation keys 50 include a first operation key 52 and a second operation key 54. The first operation key 52 may be located above the second operation key 54, and in other embodiments, the first operation key 52 and the second operation key 54 may be arranged at other positions, for example, in one example, the first operation key 52 is located below the second operation key 54, or the first operation key 52 is located at the left of the second operation key 54, or the first operation key 52 is located at the right of the second operation key 54, which is not limited herein.

The first operation key 52 may be a function key, i.e., a selection of a function of the home appliance, such as a function of heating, drying, thawing, sterilization, or function menu selection. The function menu can be selected from the function menus of burning, baking, steaming, boiling, frying or frying. The second operation key 54 may be a cancel key that cancels the current operation on the home appliance, such as returning to the previous function menu, returning to the previous setting, stopping or pausing while cooking, and the like. Of course, in other embodiments, the functions of the operation keys 50 are not limited to the two functions described above. In one example, the operation key 50 may be a main switch key, i.e., directly turning on or off the power of the household appliance, or the operation key 50 may be a confirmation key, or the operation key 50 may be a timer key, i.e., setting a specified time to control the household appliance to operate or stop operating, etc., which is not limited herein.

In some embodiments, the knob 24 is disposed on the housing assembly 10, the knob 24 defines a cavity 242, and the display 22 is disposed in the cavity 242. Thus, the interface of the operation assembly 100 is very simple, and the space of the household appliance can be further saved, so that the household appliance has redundant space for expanding other functions.

Specifically, referring to fig. 1, the knob 24 is convexly disposed on the housing assembly 10, the knob 24 is connected to an encoder, the encoder can be connected to the control assembly 30, and a user can operate the household appliance by rotating the knob 24. In an embodiment of the present invention, the knob 24 may be a multi-position knob 24, and in other embodiments, the knob 24 may also be a two-position knob 24 or other knobs 24, which is not limited herein. The knob 24 may be used to set or change the content or parameters displayed on the display screen 22, such as operations to adjust temperature parameters, adjust the amount of fire, adjust the time, and select functions. The knob 24 is further provided with a receiving cavity 242 therein, and the display 22 can be placed in the receiving cavity 242. Thus, the interface of the operation assembly 100 is very simple, and the space of the household appliance can be further saved, so that the household appliance has redundant space for expanding other functions.

It will be appreciated that the knob 24 is provided with a knob housing which may be formed of plastic. The plastic has low cost and strong plasticity, which is beneficial to the manufacture of the knob 24, namely, the manufacturing cost of the knob 24 can be reduced and the mass production of the knob 24 can be promoted. In addition, the specific material of the knob shell can be designed according to different conditions. For example, in other embodiments, the knob housing may also be made of iron, aluminum, stainless steel. The specific material of the knob case is not limited herein.

In addition, knob shell surface can be provided with anti-skidding structure, and anti-skidding structure sets up around the surface of knob shell, and anti-skidding structure's setting can increase the coefficient of friction on the surface of knob shell, so, convenience of customers uses the knob shell, promotes user experience. Wherein, the antiskid structure can be an antiskid bulge, a rubber layer and the like. The specific type of anti-slip structure is not limited herein. It is only necessary that the anti-slip structure can increase the friction coefficient of the surface of the knob case.

In some embodiments, one end of the receiving cavity 242 is provided with the panel 25 in front of the display 22. In this manner, the panel 25 may be used to protect the display screen 22.

Specifically, referring to fig. 1, one end of the accommodating cavity 242 is provided with a panel 25, and the panel 25 is located in front of the display screen 22. The panel 25 covers the entire display 22, and the entire display 22 is enclosed in a housing cavity 242 formed by the knob 24. The shape of the panel 25 may be configured to match the shape of the knob 24, and will not be described herein. In the process that the user carries out daily operation to domestic appliance, display screen 22 can be protected effectively to panel 25, does waterproof antifouling safeguard measure to display screen 22, prolongs display screen 22's life, the production of the fuzzy or incomplete phenomenon of display screen 22 demonstration content can not appear, and then makes domestic appliance's life extension, so, improves display screen 22's durability, reduces domestic appliance's manufacturing cost.

In certain embodiments, the control assembly 30 includes a controller 36 and a circuit board 34. A controller 36 is disposed on the circuit board 34, the controller 36 electrically connecting the circuit board 34 and the display assembly 20. In this manner, the controller 36 may control the state of the entire operational assembly.

Specifically, referring to fig. 1, 2 and 4, the Circuit Board 34 may be a Printed Circuit Board (PCB), and the controller 36 may be a Micro Controller Unit (MCU). In the embodiment of the present invention, the requirements on the type and the characteristics of the MCU are low, and most of the MCUs in the market can be used as the controller 36 of the control component 30 in the embodiment of the present invention. In this manner, the cost of operating the assembly 100 is greatly reduced. The controller 36 may be located on the circuit board 34, and the circuit board 34 and the display assembly 20 may be electrically connected to the controller 36. The driving portion 224 of the display module 20 is provided with a first communication interface 2242, the circuit board 34 of the control module 30 is provided with a second communication interface 32, and the first communication interface 2242 is connected with the second communication interface 32.

In one example, when the user needs to select the function menu, the user may press the first operation key 52 to select a function of the home appliance, for example, to select a cooking menu, at this time, the first operation key 52 is triggered, so that the controller 36 on the circuit board 34 controls the home appliance, then the controller 36 sends a control signal, the control signal may be transmitted to the first communication interface 2242 through the second communication interface 32 on the circuit board 34, the first communication interface 2242 further transmits the control signal to the driving part 224 of the display assembly 20, then the driving part 224 may drive the display part 222 to display an interface of the cooking menu according to the control signal, then, the user may confirm the selected cooking menu by pressing the display screen 22, that is, pressing the key 26, at this time, the key 26 is triggered, so that the controller 36 on the circuit board 34 receives a relevant instruction fed back by the display assembly 20, and then the controller 36 may perform a relevant operation on the home appliance, that is, to control the home appliance to perform cooking.

The household appliance provided by the embodiment of the invention comprises the operating assembly 100 of any one of the above embodiments.

In the household appliance, the display assembly 20 integrates the operation and display functions, the operation assembly 100 occupies a small space, the user operation is convenient, the information displayed by the display screen 22 is intuitive and easy to understand, and the usability of the user is improved.

Specifically, the home appliances include, but are not limited to, a microwave oven, a range hood, a kitchen range, an oven, an induction cooker, an electric cooker, a stereo, an air conditioner, a refrigerator, a fan, and the like.

In the description of the present specification, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An operation assembly for a household appliance is characterized by comprising a shell assembly, a display assembly and a control assembly, wherein the display assembly and the control assembly are installed on the shell assembly, the display assembly comprises a display screen, a knob surrounding the display screen and a key positioned behind the display screen, the display screen can be pressed to trigger the key, the control assembly is connected with the display assembly and used for controlling the display screen to display the working state of the household appliance and controlling the household appliance to operate according to the operation of the knob and the key;

the operating assembly comprises an indicator light, the control assembly comprises a circuit board positioned behind the display screen, the indicator light is arranged on the circuit board and staggered with the display screen, and light emitted by the indicator light during working is emitted out through the periphery of the display screen; the indicator light comprises a plurality of light emitting diodes arranged in a ring around the knob;

the circuit board is controlled to control various light emitting states of the indicator light, the light emitting diodes are controlled to emit light or extinguish independently, different colors of light are emitted, and different working states or parameters of the household appliance are displayed corresponding to different working states or parameters of the household appliance;

wherein, in the starting process of the household appliance, the indicator lamp continuously emits light;

in the cooking process of the household appliance, the indicator light is a water lamp display, and the water lamp display is that a plurality of light-emitting diodes are lightened on and off according to a set sequence and time under the control of the circuit board;

and in the process of finishing or stopping the operation of the household appliance, the indicator lamp flickers.

2. The operating assembly according to claim 1, wherein the display screen comprises a display portion and a driving portion, the display portion is disposed on the driving portion, the driving portion is used for driving the display portion to display the working state of the household appliance, the driving portion is provided with a first communication interface, the control assembly is provided with a second communication interface, and the first communication interface is connected with the second communication interface.

3. The operating assembly of claim 1, wherein the display screen comprises an organic light emitting diode display screen.

4. The operating assembly of claim 1, wherein the operating assembly includes at least one operating key provided on the housing assembly.

5. The operating assembly of claim 1, wherein the knob protrudes from the housing assembly, the knob defines a receiving cavity, and the display screen is disposed in the receiving cavity.

6. The operating assembly of claim 5, wherein the receiving cavity is provided at one end with a panel positioned in front of the display screen.

7. The operating assembly of claim 1, wherein the control assembly includes a controller and a circuit board, the controller being disposed on the circuit board, the controller electrically connecting the circuit board and the display assembly.

8. An electric household appliance, characterized in that it comprises an operating assembly according to any one of claims 1 to 7.