CN112648654B - Air inlet assembly and combined electrical apparatus - Google Patents

Abstract

The invention discloses an air inlet assembly and a combined electrical appliance. The air inlet assembly is used for the combined electrical appliance. The air inlet assembly comprises an air inlet net structure and a peripheral wall. The peripheral wall is arranged below the air inlet net structure. The air inlet net structure is provided with a first air inlet. A grid structure is arranged in the first air inlet. The grid structure comprises a functional grid. The functional grille has a rounded corner structure in the front direction of the flow field. The tangential direction of the round corner structure points to the upper part of the kitchen range of the combined electrical appliance to provide a negative pressure area. According to the air inlet assembly and the combined electrical appliance, the functional grille is provided with the round corner structure in the front end direction of the flow field, and the tangential direction of the round corner structure is directed to the upper part of the kitchen range of the combined electrical appliance to provide the negative pressure area, so that the smoke machine can provide the negative pressure area above the kitchen range through the air inlet assembly, and the smoke generated in the cooking process of the kitchen range can be sucked into the air inlet assembly and the smoke machine and discharged outdoors, so that the smoking effect of the smoke machine is ensured, and meanwhile, the noise can be reduced.

Description

Air inlet assembly and combined electrical apparatus

Technical Field

The invention relates to the technical field of household appliances, in particular to an air inlet assembly and a combined appliance.

Background

In the related art, the combined electrical appliance may include a cooker and a stove, and a fan of the cooker may be located below the stove, and an air inlet of the cooker is located at a cooking bench. Normally, the air inlet is provided with a net structure, so that the inside and the outside of the smoke machine are separated, and the smoke machine is more attractive; on the other hand, the user is prevented from accessing the internal components of the cigarette machine, avoiding the risk of mechanical damage that may be present. However, the design of the mesh structure affects the external flow field of the cigarette machine, thereby affecting the smoking effect of the cigarette machine.

Disclosure of Invention

The embodiment of the invention provides an air inlet assembly and a combined electrical appliance.

The air inlet assembly is used for the combined electrical appliance, the air inlet assembly comprises an air inlet net structure and a peripheral wall, the peripheral wall is arranged below the air inlet net structure, a first air inlet is formed in the air inlet net structure, a grid structure is arranged in the first air inlet, the grid structure comprises a functional grid, the functional grid is provided with a round corner structure in the front end direction of a flow field, and the tangential direction of the round corner structure points to the upper part of a kitchen range of the combined electrical appliance so as to provide a negative pressure area.

According to the air inlet assembly, as the functional grille is provided with the round corner structure in the front end direction of the flow field, the tangential direction of the round corner structure points to the upper part of the kitchen range of the combined electrical appliance to provide the negative pressure area, so that the smoke machine can provide the negative pressure area above the kitchen range through the air inlet assembly, and the smoke generated in the cooking process of the kitchen range can be sucked into the air inlet assembly and the smoke machine to be discharged outdoors, so that the smoking effect of the smoke machine is ensured, and meanwhile, the noise can be reduced.

In certain embodiments, the grille structure comprises a strength grille connecting the functional grille and an inner wall of the first air inlet.

In some embodiments, the first air inlet is square, the functional grille comprises a plurality of longitudinal ribs, the strength grille comprises a plurality of transverse ribs, and the longitudinal ribs are perpendicularly connected with the transverse ribs.

In some embodiments, the scanning line of the transverse rib is a straight line and is parallel to the short side of the first air inlet, and the long axis of the transverse rib is parallel to the air inlet axis of the first air inlet.

In some embodiments, the transverse ribs have rounded corner structures in the flow field front end direction.

In some embodiments, the longitudinal rib is in an arc shape protruding upwards towards the center of the first air inlet.

In some embodiments, the scanning line of the longitudinal rib is parallel to the long side of the first air inlet, and the projection plane of the longitudinal rib is unchanged along the scanning line.

In some embodiments, the peripheral wall is provided with a plurality of second air inlet groups, and each second air inlet group comprises a plurality of second air inlets which are arranged in a honeycomb shape.

In some embodiments, the range of the combined electrical appliance is directed by an angle area formed by the air inlet axis of the first air inlet and the range of the second air inlet group.

In certain embodiments, the air inlet net structure is lapped on the peripheral wall by self gravity.

In some embodiments, the peripheral wall includes a first side wall and a second side wall opposite to each other, the first side wall is provided with a slot, the second side wall is provided with a supporting block, the air intake net structure includes a first side edge and a second side edge opposite to each other, the first side edge is opposite to the first side wall, the second side edge is opposite to the second side wall, the first side edge is provided with a pin inserted in the slot, the second side edge is provided with a groove, and the supporting block is accommodated in the groove.

The combined electrical appliance comprises a cooking bench and the air inlet assembly in any embodiment, wherein the cooking bench is provided with a mounting hole, and the air inlet assembly can be arranged in the mounting hole in a lifting manner.

According to the combined electrical apparatus of the embodiment of the invention, as the functional grille is provided with the round corner structure in the front end direction of the flow field, the tangential direction of the round corner structure points to the upper part of the kitchen range of the combined electrical apparatus to provide the negative pressure area, so that the smoke machine can provide the negative pressure area above the kitchen range through the air inlet component, and the smoke generated in the cooking process of the kitchen range can be sucked into the air inlet component and the smoke machine to be discharged outdoors, thereby ensuring the smoking effect of the smoke machine and reducing the noise.

In certain embodiments, the combined electrical appliance comprises a kitchen range and a range hood, the kitchen range and the range hood are mounted on the kitchen range, the range hood comprises a fan assembly and an air inlet assembly, and the fan assembly is connected with the air inlet assembly.

Additional aspects and advantages 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 the invention.

Drawings

The foregoing 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, in which:

fig. 1 is a perspective view of an air intake assembly of a combined electrical appliance in a first position according to an embodiment of the present invention;

FIG. 2 is a perspective view of an air inlet assembly of the combined electrical appliance in a second position according to the embodiment of the invention;

fig. 3 is a sectional view of a combined electrical apparatus according to an embodiment of the present invention;

FIG. 4 is a perspective view of an air intake assembly according to an embodiment of the present invention;

FIG. 5 is an exploded view of an air intake assembly according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of an air intake screen structure of an air intake assembly according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the VII portion of FIG. 6;

FIG. 8 is a schematic block diagram of a combined electrical apparatus according to an embodiment of the present invention;

fig. 9 is another block diagram of the combiner according to the embodiment of the present invention.

Description of main reference numerals:

the combined electrical appliance 1000, the cooking hob 100, the mounting hole 102, the cooking appliance 200, the smoke machine 300, the fan assembly 302, the smoke tube 304, the air intake assembly 306, the volute 308, the motor 310, the impeller 312, the connecting channel 314, the air intake mesh structure 316, the peripheral wall 318, the first air intake 320, the grille structure 322, the first side 324, the second side 326, the third side 328, the fourth side 330, the second air intake group 332, the first side wall 334, the second side wall 336, the third side wall 338, the fourth side wall 340, the long side 342, the short side 344, the functional grille 346, the strength grille 348, the longitudinal ribs 350, the transverse ribs 352, and the second air intake 354.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 3, the combined electrical apparatus 1000 of the embodiment of the present invention includes a cooking bench 100, a cooking appliance 200 and a smoke ventilator 300, wherein the combined electrical apparatus 1000 integrates the cooking appliance 200 and the smoke ventilator 300, when a user uses the cooking appliance 200 to cook, the smoke ventilator 300 can be used to exhaust the oil smoke generated in the cooking process out of the room, the smoke exhausting effect is good, and the space, energy saving, low consumption and environmental protection are also achieved.

The combined electrical apparatus 1000 with the cooking function and the smoke exhausting function can effectively reduce indoor oil smoke, avoid indoor environmental pollution, be beneficial to the physical health of users and enlarge the range of the use environment of the combined electrical apparatus 1000.

The cooktop 100 is provided with mounting holes 102. The cooktop 100 may be made of stainless steel, glass, etc. for cleaning and load bearing. In the example of fig. 1, the cooktop 100 is rectangular, and in other embodiments, the cooktop may be circular, oval, polygonal, or other irregular shape, without limitation.

The cooker 200 and the range 300 are installed at the hob 100. The cooking appliance 200 may include a gas cooker, an induction cooker, etc., and the cooking appliance 200 may be embedded in the cooking bench 100 or may be placed on the upper surface of the cooking bench 100.

Referring to fig. 3, a range hood 300 includes a blower assembly 302, a smoke tube 304, and an air intake assembly 306. The air inlet assembly 306 can be arranged in the mounting hole 102 in a lifting manner, i.e. the position of the air inlet assembly 306 can be adjusted. The cooking fume generated during cooking enters the fan assembly 302 through the air inlet assembly 306 and is discharged outdoors through the fume tube 304.

The fan assembly 302 is coupled to a smoke tube 304 and an air intake assembly 306. For example, the fan assembly 302 may include a volute 308, a motor 310, and an impeller 312, with the motor 310 and impeller 312 being located within the volute 308. One end of the smoke tube 304 is connected with an air outlet of the volute 308, the other end of the smoke tube 304 extends to the outside, and in the operation process of the fan assembly 302, the motor 310 drives the impeller 312 to rotate, so that the smoke generated in the cooking process is sucked into the volute 308, and the smoke in the volute 308 is discharged to the outside through the smoke tube 304.

In certain embodiments, the range 300 further includes a connecting channel 314. The air intake assembly 306 is connected to the air intake of the volute 308 via a connecting channel 314. The air intake assembly 306 includes a first position and a second position. It can be appreciated that when the user uses the electrical apparatus 1000 and needs to discharge smoke, the air inlet assembly 306 is at the first position, and the air inlet assembly 306 can be lifted above the cooking bench 100 by a certain height to achieve the effect of collecting smoke; when smoke is not required to be discharged, the air inlet assembly 306 is in the second position, and the air inlet assembly 306 can be lowered to be in the same plane with the cooking bench 100 or slightly higher or lower than the cooking bench 100 so as to reduce the occupied space of the combined electrical appliance 1000 and improve the aesthetic property of the combined electrical appliance 1000 and the comfort of a user. With the air intake assembly 306 in the second position, the air intake assembly 306 may be at least partially received within the connecting channel 314. The elevation of the air intake assembly 306 may be adjusted manually or by a motor. Preferably, the lifting of the air inlet assembly 306 is regulated by a motor, so that the operation of a user is facilitated. In the illustrated embodiment, the connecting channel 314 is stationary. It will be appreciated that in other embodiments, the connecting channel is also movable relative to the cooktop and/or air intake assembly.

The air intake assembly 306 will be described in detail below.

Referring to fig. 4-6, the air intake assembly 306 includes an air intake mesh structure 316 and a peripheral wall 318. The intake grill structure 316 includes a first intake vent 320, a grill structure 322, a first side 324, a second side 326, a third side 328, and a fourth side 330. The peripheral wall 318 includes a plurality of second air intake stacks 332, a first side wall 334, a second side wall 336, a third side wall 338, and a fourth side wall 340. The peripheral wall 318 is provided on the lower surface of the air intake mesh structure 316.

The shape of the first air inlet 320 may be square, circular, oval, polygonal, or other irregular shape, which is not limited herein. Specifically, in the example of fig. 4, the first air inlet 320 has a square shape. The first air inlet 320 will be described in further detail below by taking the square first air inlet 320 as an example. The first air intake 320 includes two long sides 342 and two short sides 344. The long side 342 and the short side 344 are perpendicular to each other.

The grid structure 322 includes a functional grid 346 and a strength grid 348. The grille structure 322 is disposed in the first air inlet 320. The functional grill 346 is substantially parallel to the long side 342 of the first air intake 320 and connects the first side 324 and the second side 326. The strength grid 348 remains substantially parallel to the short side 344 and connects the functional grid 346, the third side 328, and the fourth side 330. The functional grille 346 is used to ensure the smoking effect of the extractor 300, and the strength grille 348 is used to more stably secure the functional grille 346, increase the strength of the grille structure 322, and further prevent a user from accessing the internal components of the extractor 300, to avoid the risk of mechanical damage that may be present. The functional grill 346 has a rounded structure in the flow field front direction E, and a tangential direction Q of the rounded structure is directed above the cooktop 200 of the combiner 1000 to provide a negative pressure zone.

The functional grill 346 includes a plurality of longitudinal ribs 350 along the long side 342 of the first air intake 320, for example, in the example of fig. 6, the functional grill 346 includes 7 longitudinal ribs 350. The longitudinal rib 350 is in an arc shape protruding upward toward the center of the first air inlet 320. The functional grille 346 has a rounded structure in the flow field front direction E, that is, the longitudinal ribs 350 have a rounded structure in the flow field front direction E, and referring to fig. 3, a tangential direction Q of the rounded structure is directed above the cooktop 200 of the electrical assembly 1000 to provide a negative pressure area. It will be appreciated that the rounded structure may be formed by rounding the longitudinal ribs 350 in the flow field front direction E. Thus, when the air flow enters the air inlet assembly 306 from the first air inlet 320, the air flow direction of the air inlet can flow from the periphery of the air inlet assembly 306 to the center, so that the arrangement of the negative pressure area is more biased to be short and wide, the smoking effect of the smoke machine 300 under the same air volume is improved, and meanwhile, the noise can be reduced. In addition, the flow separation in the front end direction E of the flow field can be reduced by adapting to the changes of different air volume gears and back pressure inflow directions D, so that the resistance of oil smoke flow and the generation of local noise are reduced. It will be appreciated that the extractor 300 operates to cause the soot to form a flow field, with the flow direction of the soot being from the flow field front end direction E to the flow field rear end direction F.

It will be appreciated that the negative pressure zone distribution of the air intake assembly 306 may affect the smoking effect of the extractor 300. In the case that the negative pressure region is more biased to be short and wide, the oil smoke at the peripheral side is more easily sucked into the first air inlet 320, thereby improving the smoking effect of the smoke machine 300 under the same air quantity. It should be noted that, the longitudinal rib 350 is in an arc shape protruding upward toward the center of the first air inlet 320, and referring to fig. 7, it can be understood that a tangent line of one end of the longitudinal rib 350 located in the front end direction E of the flow field of the first air inlet 320 forms a first angle r with the vertical direction, and a tangent line of one end of the longitudinal rib 350 located in the rear end direction F of the flow field of the first air inlet 320 forms a second angle t with the vertical direction, where the first angle r is greater than the second angle t.

Referring to fig. 6, the longitudinal ribs 350 are beveled in the flow field rear end direction F. Therefore, the chamfer angle in the rear end direction F of the flow field can reduce the sectional area of the tail end and the vortex shedding scale of fluid, thereby reducing the resistance of oil smoke flow and reducing the generation of local noise. It will be appreciated that the chamfering of the end of the longitudinal ribs 350 in the direction F of the rear end of the flow field reduces the resistance to flow of the soot and reduces the generation of local noise. Further, the included angle m between the beveled edge line X of the longitudinal rib 350 and the projection plane center line Y is not greater than 45 degrees, so that the flow of the oil smoke along the edge of the longitudinal rib 350 can be ensured.

In a specific embodiment, one end of the longitudinal rib 350 in the front end direction E of the flow field has a rounded structure, and the other end of the longitudinal rib 350 in the rear end direction F of the flow field has a beveled shape. In this way, the tangential direction Q of the rounded corner structure points to the upper part of the cooker 200 of the combined electrical appliance 1000 to provide a negative pressure area, so that the resistance of the flow of the oil smoke and the generation of local noise can be reduced while the smoking effect of the smoke machine 300 is ensured, and the combined electrical appliance 1000 can work in a better state.

The scanning line of the longitudinal rib 350 is parallel to the long side 342 of the first air inlet 320, and the projection plane of the longitudinal rib 350 is unchanged along the scanning line. In this way, the negative pressure area is as uniform as possible along the center of the first air inlet 320, so as to ensure the smoke absorbing effect of the kitchen ranges 200 at different positions, and simultaneously meet the requirements of beautiful appearance. In the illustrated embodiment, the scan lines of the longitudinal ribs 350 are all straight lines, and the projection plane of the longitudinal ribs 350 is unchanged along the scan lines of the longitudinal ribs 350. The longitudinal ribs 350 are uniformly distributed in the direction of the short side 344 of the first air inlet 320 and the starting points are on the same plane. In other embodiments, the longitudinal ribs may be designed in other shapes, such as circular rings, elliptical rings, wavy bars, etc., and the longitudinal ribs may be the same shape or may include different shapes. The area and morphology of its projection surface along the scan line may be variable. The longitudinal ribs may be unevenly distributed in the short side direction of the first air inlet, and the starting points of the longitudinal ribs may not be on the same plane, and there may be a height difference, for example, a design method for ensuring that the areas between every two longitudinal ribs are equal is adopted. The projection plane of the longitudinal rib 350 is perpendicular to the scan line of the longitudinal rib 350.

As will be further described below, the scan line of the longitudinal ribs 350 is further described, and it will be understood that, for one longitudinal rib 350, the upper edge of the longitudinal rib 350 may be considered as a scan line, where the scan line is a straight line equal to the length of the longitudinal rib 350, and a curved cross section (such as the cross section shown in fig. 6) may be obtained by cutting the longitudinal rib 350 at any point along the scan line in the vertical direction, where the curved cross section translates from one end of the scan line to the other end of the scan line, and the curved cross section is the projection plane.

The strength grid 348 includes a plurality of transverse ribs 352, for example, in the example of fig. 4, the strength grid 348 includes 2 transverse ribs 352. The longitudinal ribs 350 are connected perpendicularly to the transverse ribs 352. As such, a plurality of longitudinal ribs 350 are supportively connected by transverse ribs 352. It will be appreciated that the longitudinal ribs 350 are disposed along the long side 342 of the first air intake 320 and that a plurality of longitudinal ribs 350 need to be connected together. In this embodiment, a plurality of transverse ribs 352 are disposed, so that each transverse rib 352 is connected to a plurality of longitudinal ribs 350, thereby ensuring the stability of the grid structure 322.

The transverse ribs 352 also have rounded corners in the flow field front direction E, which reduces noise generated at the flow field front when smoke is drawn into the extractor 300 through the air intake assembly 306. It will be appreciated that the rounded configuration may be formed by rounding the transverse ribs 352 in the flow field front direction E. The transverse ribs 352 are beveled in the flow field rear end direction F. Therefore, the chamfer angle in the rear end direction F of the flow field can reduce the sectional area of the tail end and the vortex shedding scale of fluid, thereby reducing the resistance of oil smoke flow and reducing the generation of local noise. Further, the included angle between the beveled edge line of the transverse rib 352 and the center line of the projection surface is not greater than 45 degrees, so that the oil smoke can flow along the edge of the transverse rib 352.

In one particular embodiment, the transverse rib 352 has a rounded configuration at one end in the flow field front direction E and the transverse rib 352 has a beveled shape at the other end in the flow field rear direction F. In this way, the tangential direction Q of the rounded corner structure points to the upper part of the cooker 200 of the combined electrical appliance 1000 to provide a negative pressure area, so that the resistance of the flow of the oil smoke and the generation of local noise can be reduced while the smoking effect of the smoke machine 300 is ensured, and the combined electrical appliance 1000 can work in a better state.

The scanning line of the transverse rib 352 is straight and parallel to the short side 344 of the first air inlet 320, and the long axis of the transverse rib 352 is parallel to the air inlet axis a of the first air inlet 320. As such, the longitudinal ribs 350 are supported by the transverse ribs 352 while satisfying aesthetic requirements. In the illustrated embodiment, the scan lines of the transverse ribs 352 are all straight lines, and the scan projection plane of the transverse ribs 352 is unchanged along the scan lines of the transverse ribs 352. The cross-section of the transverse rib 352 along the vertical direction is substantially rectangular, and the long axis of the cross-section is substantially parallel to the air inlet axis a, which refers to the central axis of the first air inlet 320. In other embodiments, the area and morphology of the projection plane of the transverse ribs along the scan line may be variable. The projection plane of the transverse rib 352 is perpendicular to the projection plane of the longitudinal rib 350. The transverse ribs 352 prevent the longitudinal ribs 350 from deforming, thereby increasing the structural stability of the first air inlet 320.

Further, for one transverse rib 352, the upper edge of the transverse rib 352 may be regarded as a scanning line, the scanning line is a straight line and coincides with the radius of the projected circle of the air inlet 122 of the air inlet net, a substantially rectangular cross section may be obtained by cutting the transverse rib 352 at any point on the scanning line along the vertical direction, and the rectangular cross section may be translated from one end of the scanning line to the other end of the scanning line to form the transverse rib 352, where the rectangular cross section is the projected plane.

Referring to fig. 4, the peripheral wall 318 is provided with a plurality of second air inlet groups 332, and each second air inlet group 332 includes a plurality of second air inlets 354 arranged in a honeycomb manner. Therefore, the air inlet resistance of the oil smoke is further reduced, and the effect of assisting in gathering the oil smoke is achieved. It will be appreciated that in embodiments of the present invention, the air inlet assembly 306 is provided to be liftable at the mounting hole 102 of the cooktop 100. When the user uses the combined electrical appliance 1000 and needs to discharge smoke, the air inlet assembly 306 can be lifted above the cooking bench 100 by a certain height to expose the plurality of second air inlet groups 332, so as to achieve the effect of assisting in smoke collection. When no fume is required, the air inlet assembly 306 can be lowered to the same plane as the cooktop 100 such that the second plurality of air inlet sets 332 are located below the cooktop 100. In the illustrated embodiment, the second air inlet 354 is a hexagonal hole. In other embodiments, the second air inlet may be a circular hole. Of course, the second air inlet group can also adopt a plurality of second air inlets arranged in an array manner, or a plurality of single air inlets are formed in the peripheral wall.

Referring to fig. 8, an angle area g formed by the air inlet axis a of the first air inlet 320 and the range of the second air inlet group 332 is directed to the range of the stove 400 of the combined electrical appliance 1000. Thus, the second air inlet group 332 can better play a role in assisting in gathering smoke. Specifically, the range of the second air inlet set 332 determines the range of the angular region g, and when the range of the second air inlet set 332 is equal to the range of the stove 400, the angular region g obtains a minimum value, corresponding to the angular region g labeled in fig. 8; when the range of the second air inlet set 332 is equal to the length of the third sidewall 338, the angular region g takes a maximum value, corresponding to the angular region h labeled in fig. 8. It should be noted that, in order to ensure the structural strength of the peripheral wall 318 at the same time, the first side wall 334 and the second side wall 336 are not provided with the second air inlet group 332, and in the case that the range of the stove 400 is greater than the length of the third side wall 338 (as shown in fig. 9), in order to ensure the effect of auxiliary smoke gathering, the range of the second air inlet group 332 is set to be equal to the length of the third side wall 338, so as to obtain the maximum angle area g, and auxiliary smoke gathering.

The peripheral wall 318 is provided on the lower surface of the air intake mesh structure 316. The air inlet net structure 316 and the peripheral wall 318 can be fixedly connected or detachably connected.

In one example, the air intake grill structure 316 is attached to the peripheral wall 318 by its own weight. Thus, the air inlet net structure 316 can be detachably connected with the peripheral wall 318, and is convenient to install and maintain. Specifically, referring to fig. 5, the peripheral wall 318 includes a first side wall 334 and a second side wall 336 opposite to each other, the first side wall 334 is provided with a slot 356, the second side wall 336 is provided with a supporting block 358, the air intake net structure 316 includes a first side 324 and a second side 326 opposite to each other, the first side wall 334 is opposite to the first side 324, the second side wall 336 is opposite to the second side 326, the first side 324 is provided with a pin 360 inserted into the slot 356, the second side 326 is provided with a groove 362, and the supporting block 358 is accommodated in the groove 362. In this way, the air inlet net structure 316 is detachably connected with the peripheral wall 318 through the matching relationship between the pins 360 and the slots 356 and the matching relationship between the grooves 362 and the supporting blocks 358, so that the installation and the maintenance are convenient. In the process of overlapping the air intake net structure 316 to the peripheral wall 318, the pins 360 are inserted into the slots 356 under the action of the gravity of the air intake net structure 316, and the supporting blocks 358 are received in the grooves 362, so that the air intake net structure 316 is overlapped at a predetermined position of the peripheral wall 318. It will be appreciated that in other embodiments, the first side wall is provided with pins, the second side wall is provided with grooves, the first side edge is provided with slots for accommodating pins, the second side edge is provided with support blocks, the support blocks can be accommodated in the grooves, and the wind net structure can be lapped on the peripheral wall by means of self gravity.

In another example, the air intake net structure is magnetically attracted to the peripheral wall. Specifically, the air inlet net structure and the peripheral wall comprise magnetic pieces, so that the air inlet net structure and the peripheral wall can be attracted to each other by means of magnetic force, and the magnetic pieces can be magnets, metals or alloys which can be attracted by the magnets, and the like. The air inlet net structure and the peripheral wall further comprise positioning pieces, so that the air inlet net structure can be magnetically attracted to a preset position of the peripheral wall through the positioning pieces when the air inlet net structure is close to the peripheral wall under the action of magnetic force. The manner in which the air intake net structure and the peripheral wall are connected is not limited herein.

In summary, in the air intake assembly 306 provided by the embodiment of the invention, which is used for the combined electrical appliance 1000, the air intake assembly 306 includes an air intake net structure 316 and a peripheral wall 318, the peripheral wall 318 is disposed below the air intake net structure 316, the air intake net structure 316 is provided with a first air intake 320, a grille structure 322 is disposed in the first air intake 320, the grille structure 322 includes a functional grille 346, the functional grille 346 has a rounded structure in the front end direction E of the flow field, and a tangential direction Q of the rounded structure is directed above the stove 200 of the combined electrical appliance 1000 to provide a negative pressure area.

According to the air inlet assembly 306 and the combined electrical appliance 1000 in the embodiment of the invention, as the functional grille 346 is provided with the round corner structure in the front end direction E of the flow field, the tangential direction Q of the round corner structure points to the upper part of the kitchen range 200 of the combined electrical appliance 1000 to provide a negative pressure area, so that the smoke machine 300 can provide a negative pressure area above the kitchen range 200 through the air inlet assembly 306, and the smoke generated in the cooking process of the kitchen range 200 can be sucked into the air inlet assembly 306 and the smoke machine 300 and discharged outdoors, thereby ensuring the smoking effect of the smoke machine 300 and reducing the noise.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The disclosure herein provides many different embodiments or examples for implementing different structures of the invention. To simplify the present disclosure, components and arrangements of specific examples are described herein. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements 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.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., 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 invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An air inlet assembly is used for a combined electrical appliance and is characterized by comprising an air inlet net structure and a peripheral wall, wherein the peripheral wall is arranged below the air inlet net structure, a first air inlet is formed in the air inlet net structure, a grid structure is arranged in the first air inlet, the grid structure comprises a functional grid, the functional grid is provided with a round corner structure in the front end direction of a flow field, and the tangential direction of the round corner structure points to the upper part of a kitchen range of the combined electrical appliance so as to provide a negative pressure area;

the grid structure comprises an intensity grid, and the intensity grid is connected with the functional grid and the inner wall of the first air inlet;

the first air inlet is square, the functional grille comprises a plurality of longitudinal ribs, the strength grille comprises a plurality of transverse ribs, and the longitudinal ribs are vertically connected with the transverse ribs;

the scanning line of the longitudinal rib is parallel to the long side of the first air inlet, and the projection surface of the longitudinal rib is unchanged along the scanning line.

2. The air intake assembly of claim 1, wherein the scan line of the transverse rib is a straight line and parallel to the short side of the first air intake, and the long axis of the transverse rib is parallel to the air intake axis of the first air intake.

3. The air intake assembly of claim 1, wherein the transverse ribs have rounded corner structures in the front end direction of the flow field.

4. The air intake assembly of claim 1, wherein the longitudinal ribs are arcuate projecting upwardly toward the center of the first air inlet.

5. The air intake assembly of claim 1, wherein the peripheral wall defines a plurality of second air inlet groups, each of the second air inlet groups comprising a plurality of second air inlets arranged in a honeycomb pattern.

6. The air intake assembly of claim 5, wherein an angular region formed by the air intake axis of the first air intake and the range of the second air intake group is directed toward a range of the appliance.

7. The air intake assembly of claim 1, wherein the air intake mesh structure overlaps the peripheral wall by gravity.

8. The air intake assembly of claim 7, wherein the peripheral wall includes opposing first and second side walls, the first side wall defines a slot, the second side wall defines a support block, the air intake screen structure includes opposing first and second sides, the first side is opposite the first side wall, the second side is opposite the second side wall, the first side defines a pin inserted into the slot, the second side defines a recess, and the support block is received in the recess.

9. A combined electrical appliance, characterized by comprising a cooking bench and an air inlet assembly according to any one of claims 1-8, wherein the cooking bench is provided with a mounting hole, and the air inlet assembly is arranged in the mounting hole in a lifting manner.

10. The combination of claim 9, wherein the combination comprises a cooktop and a range, the cooktop and the range being mounted on the cooktop, the range comprising a fan assembly and the air intake assembly, the fan assembly being connected to the air intake assembly.