CN220338533U - Fume extractor and kitchen fume extraction system - Google Patents

Abstract

The application relates to the field of kitchen electricity, in particular to a range hood (1000), a kitchen smoke exhaust system and a wind curtain device (800), which comprises a range hood body (900); the air curtain device (800) is positioned in front of the range hood body (900); a hollowed-out space (700) is arranged between the range hood body (900) and the air curtain device (800); the range hood body (900) comprises a smoke inlet cavity (910); the hollowed-out space (700) is higher than the smoke inlet cavity (910) in the vertical direction; the air curtain device (800) comprises an air outlet (810), and air flow blown out from the air outlet (810) forms an air curtain to at least partially seal the hollowed-out space (700) so as to prevent oil smoke from diffusing outwards. Thus, the traditional smoke collecting cavity is replaced by the air curtain formed by the air flow, the generated oil smoke is blocked by the air curtain and is difficult to escape, and the using space above the cooking range is greatly saved.

Description

Fume extractor and kitchen fume extraction system

Technical Field

The application relates to the field of kitchen electricity, in particular to a range hood, a kitchen smoke exhaust system and an air curtain device.

Background

Today, with the improvement of the living standard of people, the range hood has been put into thousands of households. The range hood generally has a smoke collecting cavity, a peripheral wall for limiting the smoke collecting cavity and a top plate assembled from above in the later period, and the smoke is concentrated and discharged by the power of a main machine box above by concentrating the smoke in the smoke collecting cavity. However, the main case has limited power and can not quickly pump and discharge the oil smoke concentrated in the fume collecting hood, so that a small amount of oil smoke is easy to escape from the bottom of the fume collecting hood, and the air environment in a kitchen and a room is influenced; meanwhile, the smoke collecting cavity limits the using space above the cooking range to a certain extent, and the problem of easy head collision exists.

For this reason, there is a real need for improving the structure of the smoke collecting cavity of the existing range hood.

Disclosure of Invention

In view of this, it is an object of embodiments of the present application to provide an improved range hood, kitchen fume extraction system and air curtain arrangement to overcome at least one of the above mentioned drawbacks and/or other possible drawbacks not mentioned herein.

The embodiment of the application provides a range hood, which comprises a range hood body and a wind curtain device; the air curtain device is positioned in front of the range hood body; a hollowed-out space is arranged between the range hood body and the air curtain device; the range hood body comprises a smoke inlet cavity; the hollowed-out space is higher than the smoke inlet cavity in the vertical direction; the air curtain device comprises an air outlet, and air flows blown out from the air outlet form an air curtain, and at least partially seals the hollowed-out space to prevent oil smoke from diffusing outwards. Therefore, the traditional smoke collecting cavity is replaced by the air curtain formed by the air flow, the generated oil smoke is blocked by the air curtain and is difficult to escape, and the using space above the stove is greatly saved.

According to an alternative embodiment, the air outlet direction of the air outlet of the air inlet smoke cavity is arranged towards the air inlet smoke cavity. Therefore, the rising oil smoke is not only blocked after contacting the air curtain, but also is blown to the smoke inlet cavity of the range hood body, and the oil smoke sucking efficiency is further improved.

According to an alternative embodiment, the air curtain device further comprises an air inlet configured to capture escaping oil fumes. Therefore, part of the oil smoke to be diffused outwards is sucked into the air inlet under the influence of negative pressure when passing through the air inlet of the air curtain device, and the escape of the oil smoke is further prevented.

According to an alternative embodiment, the air curtain device further comprises a housing and a first fan, wherein the first fan is arranged in the inner cavity of the housing.

According to an alternative embodiment, the casing is provided with a connecting piece, the connecting piece is configured to mount the air curtain device on the cabinet, and the hollowed-out space is formed by surrounding the range hood body, the air curtain device and the cabinet.

According to an alternative embodiment, the connecting piece is arranged at two ends of the shell close to the cabinet; the cross section of the connecting piece is inverted triangle and can be lapped on the wall of the cabinet.

According to an alternative embodiment, the range hood further comprises a wire for electrically connecting the air curtain device with the hood body. Therefore, the air curtain device is electrified, and the normal operation of the first fan is ensured.

According to an alternative embodiment, the range hood further comprises a movable member configured to connect the range hood body and the air curtain device; when the range hood is in a working state, the movable piece moves the air curtain device to a first position; and when the range hood is in an unoperated state, the movable part moves the air curtain device to a second position. Therefore, the air curtain device and the range hood body are movably connected, and the air curtain device can be adjusted in position according to user requirements, so that the range hood is more flexible and changeable.

According to an alternative embodiment, the moveable member is configured as a telescopic mechanism. Therefore, when the range hood works, the movable part stretches, the air curtain device is pushed to the corresponding position to start working, and the air curtain device can be retracted to the initial position after working is finished, so that kitchen space is saved.

According to an alternative embodiment, the moveable member is configured for rotational connection with the range hood body. Therefore, when the range hood works, the air curtain device can rotate to the corresponding position to start working, and can return to the initial position after the working is finished, so that the kitchen space is saved.

According to an alternative embodiment, the range hood can be hung on a wall; the range hood body comprises a smoke exhaust channel; the smoke inlet cavity and the smoke exhaust channel are closely attached to the wall body. Therefore, the space above the stove in the depth direction is expanded, and the user operation experience is better.

According to an alternative embodiment, the range hood body includes a second fan; the smoke exhaust channel comprises an upper end opening and at least one lower end opening, the upper end opening is communicated with the second fan, and the lower end opening is communicated with the smoke inlet cavity. Thus, the oil smoke sucked into the smoke chamber is discharged to the common flue through the smoke discharge passage and the second fan.

According to another aspect of the application, a kitchen fume exhaust system is provided, which comprises a kitchen cabinet and a range hood, wherein the kitchen cabinet is positioned at two sides of the range hood body, and the air curtain device is installed on the kitchen cabinet. Therefore, the air curtain device can realize corresponding functions by being installed in the cabinet without using redundant components, and cost and kitchen space are saved.

According to an alternative embodiment, the kitchen fume extraction system comprises a suspended ceiling, and the second fan is mounted above the suspended ceiling. Therefore, due to the hidden design of the second fan, not only is the kitchen space saved, but also noise generated by the operation of the range hood is reduced.

According to another aspect of the present application, there is provided an air curtain apparatus for a kitchen fume extraction system, comprising a housing and a connector; the connector is disposed on the housing and is configured to mount the air curtain device to a cabinet. Therefore, the air curtain device replaces the traditional fume collecting hood in the working process, and is beneficial to capturing the escaped fume.

Drawings

The principles, features and advantages of the present application may be better understood by describing the present application in more detail with reference to the drawings. The drawings include:

fig. 1 illustrates a partial perspective view of a range hood according to an exemplary embodiment of the present application;

FIG. 2 illustrates a perspective view of an air curtain device according to an exemplary embodiment of the present application;

FIG. 3 illustrates an overall view of a range hood and cabinet and a partial enlarged view of the mating structure of an air curtain device and cabinet according to an exemplary embodiment of the present application;

fig. 4 illustrates a partial perspective view of a range hood according to an exemplary embodiment of the present application in an operating state;

fig. 5 illustrates a partial perspective view of a range hood according to an exemplary embodiment of the present application in an inactive state;

fig. 6 illustrates a side view of a range hood according to an exemplary embodiment of the present application in an active state and an inactive state;

fig. 7 illustrates front and side views of a range hood body according to an exemplary embodiment of the present application.

Reference numerals:

1000: a range hood; 900: a range hood body; 910: a smoke inlet cavity; 920: a smoke exhaust passage; 930: a second fan; 800: an air curtain device; 810: an air outlet; 820: an air inlet; 830: a housing; 840: a first fan; 700: hollow space; 10: a connecting piece; 20: a wire; 30: a movable member; 31: a telescopic rod; 311: a first housing; 312: a second housing; 313: a third housing; 32: and rotating the rod.

Detailed Description

Embodiments of the present application 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 and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "longitudinal," "transverse," "high," "front," "back," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements 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 application.

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 such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

As shown in fig. 1, a range hood 1000 according to an exemplary embodiment of the present application includes a range hood body 900 and a wind curtain device 800, wherein the wind curtain device 800 is located in front of the range hood body 900, and a hollowed-out space 700 is left between the two. The range hood body 900 includes a smoke inlet cavity 910, specifically, the hollowed-out space 700 is located in front of the smoke inlet cavity 900 and is higher than the smoke inlet cavity 910 in the vertical direction. As shown in fig. 2, the air curtain device 800 includes an air outlet 810, and air flow blown out from the air outlet 810 forms an air curtain, passes through and at least partially encloses the hollow space 700, thereby replacing the conventional fume collecting hood and preventing the fume from diffusing outwards.

It should be noted that, at least partially closed, it is considered that in real life, many times only a single stove is used, and the user may choose to make the air curtain device 800 form only an air curtain above the stove, so that the entire hollow space 700 is not necessarily closed.

According to an exemplary embodiment of the present application, as also shown in fig. 1, the air outlet direction of the air outlet 810 is disposed toward the air inlet chamber 910. Therefore, the air curtain is blown to the smoke inlet cavity 910 by the air curtain device 800, passes through and at least partially seals the hollow space 700, not only prevents the upward diffusion of the smoke in the vertical direction, but also can carry the blocked smoke to flow to the smoke inlet cavity 910 together, so that the smoke collecting and smoking effects of the range hood 1000 are more remarkable.

According to an exemplary embodiment of the present application, as also shown in fig. 2, the air curtain device 800 further includes an air intake 820, the air intake 820 being configured to capture escaping oil fumes. In operation, the air curtain device generates negative pressure suction in the vicinity of the air inlet 820, and draws the escaping oil smoke in the vicinity into the air curtain device 800, and flows along with the blown air flow to the smoke inlet chamber 910 of the range hood body 900. Preferably, the air inlet 820 may be oriented downward or toward the stove, which is advantageous for better capturing escaping cooking fumes.

According to an exemplary embodiment of the present application, as also shown in fig. 2, the air curtain device 800 further includes a housing 830 and a first fan 840, the first fan 840 being disposed in an interior cavity of the housing 830. Specifically, the housing 830 is configured in an elongated cylindrical structure for accommodating the first fan 840, and its cross section may be circular, rectangular, triangular, etc., without limitation. The first fan 840 is configured to generate an air flow to form an air curtain, and is configured as an equally elongated axial fan, and is disposed in the inner cavity of the housing 830. Alternatively, the first fan 840 may be controlled by a separate switch, and when a user uses only a single stove, the corresponding fan portion above the stove may be turned on separately, which is flexible and energy-saving.

Further, the air outlet 810 and the air inlet 820 are distributed in different directions of the housing 830. When the range hood 1000 works, the air outlets 810 are arranged towards the smoke inlet cavity 910, so that an air curtain can blow towards the smoke inlet cavity 910, and the air inlets 820 are arranged downwards or towards a cooking range, so that oil smoke escaping outwards can be captured conveniently.

According to an exemplary embodiment of the present application, as also shown in fig. 2 and 3, a connector 10 is provided on the housing 830, and the connector 10 is used to mount the air curtain device 800 on a cabinet, and the hollowed-out space 700 is formed by surrounding the range hood body 900, the air curtain device 800 and the cabinet. Specifically, as shown in fig. 3, the connection member 10 is provided at both ends of the housing 830 near the cabinet, and the cross section may be constructed in an inverted triangle shape, and accordingly, the side wall of the cabinet is provided with a connection structure engaged with the connection member 10, and the connection structure may be constructed in a V-groove. In use, the connector 10 may be snapped onto the attachment structure so that the air curtain device 800 is easily installed on a cabinet with the connector 10 and the attachment structure engaged. In this embodiment, the range hood body 900, the air curtain device 800 and the cabinet surround to form a hollowed-out space 700. When the range hood 1000 works, the hollow space 700 sealed by the air curtain not only replaces the traditional fume collecting hood to block upward fume, but also carries the blocked fume to blow to the fume inlet cavity 910, so that the overall suction effect of the range hood 1000 is better.

According to an exemplary embodiment of the present application, as also shown in fig. 2, the extractor hood 1000 further includes a wire 20, the wire 20 being used to electrically connect the air curtain device 800 with the extractor hood body 900. Specifically, one end of the wire 20 is connected to the first fan 840, passes through the housing 830 of the air curtain device 800 and the wall of the cabinet, passes through the interior of the cabinet, and is connected to the range hood body 900 at the position where the cabinet is engaged with the range hood body 900, and the other end of the wire 20 is connected to the electrical box of the range hood 1000, thereby providing power for the air curtain device 800. Preferably, the connector 10 is constructed as a hollow structure, and a channel through which the wire 20 can pass is provided in the connector, and the wire arrangement way better hides the wire 20 in the kitchen range hood 1000 and the cabinet, so that the visual beauty of the kitchen space is considered.

According to an exemplary embodiment of the present application, the range hood 1000 further includes a movable member 30, and the movable member 30 is used to connect the range hood body 900 and the air curtain device 800. As shown in fig. 4, when the range hood 1000 is in a working state, the movable member 30 moves the air curtain device 800 to the first position, and at this time, a hollow space 700 is formed between the air curtain device 800 and the range hood body 900, and an air curtain at least partially closing the hollow space 700 is formed; as shown in fig. 5, when the range hood 1000 is in the inactive state, the movable member 30 moves the air curtain device 800 to the second position, i.e., to retract it, for example, against the range hood body 900, expanding the kitchen space. In addition, when the range hood 1000 works, the position of the air curtain device 800 can be flexibly adjusted according to the use requirement, so that the range hood is more convenient.

According to an exemplary embodiment of the present application, the moveable member 30 is configured as a telescoping mechanism. As shown in fig. 4, the movable member 30 is a multi-section telescopic rod 31, one end of the telescopic rod 31 is fixed to the range hood body 900, and the other end is provided with the air curtain device 800. The housing of the telescopic link 31 is composed of a first housing 311, a second housing 312 and a third housing 313, each of which has a rod-like, hollow structure. The wires 20 pass through the telescopic rod 31, so that the air curtain device 800 is electrified. The shells are provided with sliding rails, and the shells are sheathed in a sliding way. Further, a stopper (not shown) is provided on the slide rail to control the amount of extension and retraction of the extension and retraction lever 31. In the present embodiment, the air curtain device 800 abuts against the range hood body 900 when the range hood 1000 is not in operation, thereby expanding the kitchen space; when the range hood 1000 works, the range hood can be stretched to a specific position according to the use requirement, and is flexible and convenient.

According to an exemplary embodiment of the present application, the movable member 30 is configured to be rotatably coupled to the range hood body 900. As shown in fig. 6, the movable member 30 is a rotating rod 32, one end of the rotating rod 32 is rotatably connected to the range hood body 900 through a rotating shaft 321, and the other end is provided with an air curtain device 800. The rotating rod 32 has a rod-shaped hollow structure, and the wire 20 passes through the rotating rod 32 to energize the air curtain device 800. Further, a stopper mechanism (not shown) is provided inside the rotation shaft 321 to control the rotation angle of the rotation lever 32. In this embodiment, the air curtain device 800 is attached to the range hood body 900 when the range hood 1000 is not in operation, thereby expanding the kitchen space; when the range hood 1000 works, the range hood can rotate to the upper part of the front side of the smoke inlet cavity 910 according to the use requirement, so that the range hood is flexible and convenient.

According to an exemplary embodiment of the present application, as shown in fig. 7, the range hood 1000 may be hung on a wall, and includes a smoke exhaust channel 920, and the smoke inlet chamber 910 and the smoke exhaust channel 920 are attached to the wall. Specifically, the smoke inlet chamber 910 and the smoke outlet channel 920 are in a vertical state and are tightly attached to the wall. Since the air outlet 810 is disposed towards the smoke inlet chamber 910, the blocked smoke can be driven to flow towards the smoke inlet chamber 910, so in this embodiment, the smoke absorbing effect can be ensured as compared with the conventional top-suction or inclined-side-suction type smoke exhaust ventilator. And, advance cigarette chamber 910 and smoke evacuation passageway 920 and hug closely the wall body setting, the usage space above the kitchen range has been expanded to the maximum extent.

According to an exemplary embodiment of the present application, as shown in fig. 7, the range hood body 900 includes a second fan 930, and the smoke exhaust path 920 includes an upper end opening communicating with the second fan 930 and at least one lower end opening communicating with the smoke inlet chamber 910. When the second fan 930 works, negative pressure suction force is generated in the area near the smoke inlet cavity 910, and the oil smoke enters the smoke exhaust channel 920 from the smoke inlet cavity 910 and is discharged to the public flue through the second fan 930. Preferably, the second fan 930 has two openings at its lower end, which correspond to the ranges at two sides respectively and can be controlled to be turned on independently. When only one stove is used, the lower end opening of one side is opened, the negative pressure suction force is stronger than that when two sides are opened, and the smoking effect is better.

According to an exemplary embodiment of the present application, as shown in fig. 3, a kitchen fume exhaust system includes a cabinet and a range hood 1000 as described above, the cabinet being located at both sides of the range hood body 900, and an air curtain device 800 is installed on the cabinet. In particular, the air curtain device 800 may be mounted on a side wall of the cabinet with the top or bottom of the air curtain device flush with the bottom wall of the cabinet. In this embodiment, the air curtain device 800 is fixed by means of a cabinet installation, replaces the conventional fume collecting hood, not only reduces manufacturing cost and structural complexity, but also expands kitchen use space for users.

According to an exemplary embodiment of the present application, the kitchen fume exhaust system includes a suspended ceiling, and the second blower 930 may be installed in the suspended ceiling of the kitchen at a greater distance from the user, with reduced noise impact relative to conventional range hoods.

According to one exemplary embodiment of the present application, as shown in fig. 2, an air curtain device 800 for a kitchen fume exhaust system includes a housing 830 and a connector 10 provided on the housing 830 and configured to mount the air curtain device 800 on a cabinet. In this embodiment, the air curtain device 800 is matched with the cabinet, so that the conventional fume collecting hood is replaced, and the use space above the cooking range is greatly expanded.

Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the disclosure even if only a single embodiment is described with respect to a particular feature. The characteristic examples provided in this disclosure are intended to be illustrative, not limiting, unless a different expression is explicitly made. In a specific implementation, the features may be combined with one another where technically feasible according to the actual requirements. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of this application.

Claims (13)

1. A range hood (1000) is characterized in that,

comprises a range hood body (900) and a wind curtain device (800);

the air curtain device (800) is positioned in front of the range hood body (900);

a hollowed-out space (700) is arranged between the range hood body (900) and the air curtain device (800);

the range hood body (900) comprises a smoke inlet cavity (910);

the hollowed-out space (700) is higher than the smoke inlet cavity (910) in the vertical direction;

the air curtain device (800) comprises an air outlet (810), and air flow blown out from the air outlet (810) forms an air curtain to at least partially seal the hollowed-out space (700) so as to prevent oil smoke from diffusing outwards.

2. The range hood (1000) of claim 1, wherein,

the air outlet direction of the air outlet (810) is arranged towards the smoke inlet cavity (910).

3. The range hood (1000) of claim 1, wherein,

the air curtain device (800) includes an air inlet (820), the air inlet (820) being configured to capture escaping oil smoke.

4. The range hood (1000) of claim 1, wherein,

the air curtain device (800) further comprises a shell (830) and a first fan (840), wherein the first fan (840) is arranged in an inner cavity of the shell (830).

5. The range hood (1000) of claim 4, wherein,

the casing (830) is provided with a connecting piece (10), the connecting piece (10) is configured to install the air curtain device (800) on a cabinet, and the hollowed-out space (700) is formed by surrounding the range hood body (900), the air curtain device (800) and the cabinet.

6. The range hood (1000) of claim 5, wherein,

the connecting piece (10) is arranged at two ends of the shell (830) close to the cabinet;

the cross section of the connecting piece (10) is inverted triangle, and can be lapped on the wall of the cabinet.

7. The range hood (1000) of claim 1, wherein,

the range hood (1000) further comprises a wire (20), and the wire (20) is used for electrically connecting the air curtain device (800) with the range hood body (900).

8. The range hood (1000) of claim 1, wherein,

the range hood (1000) further comprises a movable piece (30), wherein the movable piece (30) is configured to connect the range hood body (900) and the air curtain device (800);

the movable piece (30) moves the air curtain device (800) to a first position when the range hood (1000) is in a working state;

the movable piece (30) moves the air curtain device (800) to a second position when the range hood (1000) is in an unoperated state.

9. The range hood (1000) of claim 8, wherein,

the movable part (30) is configured as a telescopic mechanism.

10. The range hood (1000) of claim 8, wherein,

the movable piece (30) is configured to be rotatably connected with the range hood body (900).

11. The range hood (1000) of claim 1, wherein,

the range hood (1000) can be hung on a wall;

the range hood body (900) comprises a smoke exhaust channel (920);

the smoke inlet cavity (910) and the smoke exhaust channel (920) are closely attached to the wall body.

12. The range hood (1000) of claim 11 wherein,

the range hood body (900) includes a second fan (930);

the smoke evacuation channel comprises an upper end opening and at least one lower end opening, the upper end opening is communicated with the second fan (930), and the lower end opening is communicated with the smoke inlet cavity (910).

13. A kitchen fume exhausting system is characterized in that,

comprising a cabinet and a range hood (1000) according to any one of claims 1 to 7, 11 to 12,

the cabinet is positioned at two sides of the range hood body (900), and the air curtain device (800) is arranged on the cabinet.