CN112325348A - Fume exhaust fan - Google Patents

Abstract

The invention belongs to the technical field of range hoods, and particularly relates to a range hood which comprises a range hood body and an illumination assembly, wherein a switch glass panel is arranged on the front end surface of the range hood body; the front end face of the cigarette machine body is an inclined face with the lower end facing the back of the cigarette machine body, the lighting assembly is arranged between the switch glass panel and the front end face of the cigarette machine body, and the lighting assembly is installed in the switch glass panel to enable light to irradiate towards the bottom direction of the switch glass panel. Because the lighting assembly is arranged between the front end surface of the cigarette machine body and the switch glass panel, the smoke collecting cover is prevented from being provided with a mounting hole, the integrity and the aesthetic property of the smoke collecting cover are ensured, the smoke collecting cover is convenient to scrub, and the smoke is prevented from entering the inside of the smoke collecting cover to corrode electrical elements.

Description

Fume exhaust fan

Technical Field

The invention belongs to the technical field of range hoods, and particularly relates to a range hood.

Background

In order to make up for the use area light shortage that range hood itself shelters from or the ambient light source is relatively poor to lead to, improve user's use and experienced, increased illumination structure on range hood. The lighting structure of the existing European style T-shaped range hood is that an integrated LED lamp assembly with a fixed structure is arranged on a reserved hole site of a fume collecting hood of the range hood.

The existing LED lamp assembly mounting structure needs to design and reserve mounting hole positions on a sheet metal structural member, so that the complexity of structural design is improved, the manufacturability is reduced, and the quality control risk points are increased; and because LED banks spare is installed in smoke collecting chamber, along with the service life increases, can hardly have the oil smoke from the installation gap entering smoke collecting hood inside, and pollute and corrode the electrical components in the smoke collecting hood. In addition, when a fire disaster occurs, although the LED lamp shade is made of heat-resistant and flame-retardant materials, the LED lamp shade is made of plastics, so that the fire disaster cannot be completely prevented from spreading, and the LED lamp shade can become a burning point; the reserved hole positions are formed in the smoke collecting cover, so that the appearance integrity of the smoke collecting cover is damaged, and the smoke collecting cover can become an appearance pain point of a user; the LED lamp component mainly comprises a lamp bead, a lamp holder, a lamp shade (heat and flame resistant) and a fixing structure (a spring plate and the like), and has a complex structure and relatively high cost; the uniformity of the illumination brightness of the LED lamp assembly is poor and the brightness cannot be generally adjusted.

Disclosure of Invention

The invention provides a range hood, aiming at solving the problem that the existing range hood can cause oil smoke to enter a smoke collecting hood to pollute and corrode electrical equipment elements after being used for a long time.

The invention is realized by adopting the following scheme:

the invention provides a range hood which comprises a range hood body and an illumination assembly, wherein a switch glass panel is arranged on the front end face of the range hood body;

the front end face of the cigarette machine body is an inclined face with the lower end facing the back of the cigarette machine body, the lighting assembly is arranged between the switch glass panel and the front end face of the cigarette machine body, and the lighting assembly is installed in the switch glass panel to enable light to irradiate towards the bottom direction of the switch glass panel.

The range hood is further improved in that a mounting groove is formed in the back face of the switch glass panel, the lighting assembly is mounted in the mounting groove, and light emitted by the lighting assembly is emitted to the bottom of the mounting groove, refracted into the switch glass panel, refracted out of the bottom of the switch glass panel and emitted to a stove.

The range hood of the invention is further improved in that the illumination assembly comprises a lamp housing and an illumination lamp arranged in the lamp housing; the lamp housing is arranged in the mounting groove to form a chamber, and the illuminating lamp is arranged above the chamber and irradiates towards the bottom direction of the switch glass panel.

The range hood of the invention is further improved in that the lamp housing comprises a mounting plate and a baffle plate; one end of the mounting plate is inserted into the mounting groove, the other end of the mounting plate is connected with the baffle, one end of the baffle, which is far away from the mounting plate, is abutted against the switch glass panel, and the mounting groove is enclosed to form a bin; the light is installed on the mounting panel, makes light orientation the bottom direction of mounting groove shines.

The range hood is further improved in that the baffle is an arc-shaped plate protruding towards the direction deviating from the front end face of the switch glass panel.

The range hood is further improved in that the range hood further comprises a connecting piece, and the lighting assembly is detachably connected with the switch glass panel through the connecting piece.

The range hood of the invention is further improved in that the connecting piece comprises a fixed seat and a fixed buckle; the fixed seat is provided with a limiting bayonet; the upper limiting clamp and the lower limiting clamp of the fixing buckle are arranged in the limiting clamping openings.

The range hood is further improved in that the included angle gamma between the inclined surface and the horizontal lower end surface of the fume collecting hood of the range hood body is 100-120 degrees.

The range hood is further improved in that an included angle alpha and an included angle gamma formed by the back surface of the switch glass panel and the upper end surface of the smoke collecting hood of the range hood body are complementary angles, and the included angle alpha satisfies the following conditions: alpha is more than or equal to 60 degrees and less than or equal to 80 degrees, wherein the included angle beta is the included angle formed by the front end surface of the switch glass panel and the upper end surface of the smoke collecting hood of the cigarette machine body.

The range hood of the invention is further improved in that the front end surface of the switch glass panel is light-tight.

Compared with the prior art, the invention adopting the scheme has the beneficial effects that:

because the lighting assembly of the embodiment is not arranged at the bottom of the fume collecting hood, the condition that the bottom of the fume collecting hood is provided with the mounting hole is avoided, the integrity and the aesthetic property of the fume collecting hood are ensured, the scrubbing is convenient, and the condition that the fume enters the inside of the fume collecting hood to corrode electrical equipment elements is also avoided. Because the lighting assembly is arranged between the switch glass panel and the front end face of the range hood body, namely the lighting assembly is positioned outside the fume collecting hood, the influence of oil fume and high temperature is avoided, and the problems that the lighting assembly of the existing range hood is easy to pollute and deform are effectively solved. Still because the preceding terminal surface of cigarette machine body is the inclined plane of lower extreme towards the back slope of cigarette machine body, lighting assembly installs in switch glass panel, and makes light shine towards switch glass panel's bottom direction, and this light refraction that just can make lighting assembly send is gone into switch glass panel in, refracts the back directive cooking utensils from switch glass panel's bottom again, realizes the culinary art illumination.

Drawings

Fig. 1 is a schematic diagram of a partial explosion structure of a range hood according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a range hood provided in an embodiment of the present invention;

fig. 3 is a schematic diagram of a right-view structure of a range hood according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic view of an installation structure of a switch glass panel and an illumination assembly of the range hood according to the embodiment of the present invention;

FIG. 6 is a schematic view of the partial cross-sectional structure of FIG. 5;

FIG. 7 is an enlarged schematic view of the structure at B in FIG. 6;

fig. 8 is a schematic cross-sectional structural view of a switch glass panel of a range hood according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a lamp housing of a range hood according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a lamp housing of a range hood according to an embodiment of the present invention under another visual condition;

fig. 11 is a schematic perspective view of a connector of a range hood according to an embodiment of the present invention;

fig. 12 is a schematic perspective view of a fixing seat of a connector of a range hood according to an embodiment of the present invention;

fig. 13 is a schematic view of an installation structure of a lamp housing and a fixing buckle of the range hood provided by the embodiment of the present invention;

FIG. 14 is an enlarged schematic view of the structure of FIG. 13 at C;

fig. 15 is a schematic perspective view of a fixing buckle of a range hood according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram of a light strip of a range hood according to an embodiment of the present invention.

In the figure: 1. a cigarette machine body; 2. a lighting assembly; 3. a connecting member; 11. a smoke collecting hood; 12. a glass panel; 21. a lamp housing; 121. installing a groove; 211. mounting a plate; 212. a baffle plate; 31. a fixed seat; 32. fixing the buckle; 33. and a limiting bayonet.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The meaning of "plurality" is two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; 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 existing range hood comprises a range hood body 1 and an illumination assembly 2, wherein a switch glass panel 12 is installed on the front end face of the range hood body 1. For aesthetic reasons, the switch glass panel 12 is generally of a rectangular parallelepiped structure and is closely attached to the front end face of the cigarette machine body 1. In addition, the switch glass panel 12 is provided with a start/stop touch key, a timing touch key, an air volume control touch key and the like, and a user can start, stop, adjust timing and gears of the cigarette machine body 1 through the touch keys.

Although present range hood also has lighting assembly 2, lighting assembly 2 installs the bottom at the collection petticoat pipe 11 of cigarette machine body 1 usually, just at this moment inevitablely need set up the mounting hole on collection petticoat pipe 11, and then has destroyed collection petticoat pipe 11's integrality, long-time use, the oil smoke will enter into in the collection petticoat pipe through the installation clearance and corrode electrical components, and is unfavorable for wasing collection petticoat pipe 11. In addition, the lighting assembly 2 may be contaminated by the oil smoke for a long time to reduce transparency, and may be deformed by a long time exposure to a high temperature.

As shown in fig. 1-3, in order to solve the above problem, the front end surface of the range hood body 1 of the range hood of the present embodiment is an inclined surface whose lower end is inclined toward the back of the range hood body 1, the lighting assembly 2 is disposed between the switch glass panel 12 and the front end surface of the range hood body 1, and the lighting assembly 2 is installed in the switch glass panel 12, so that the light is irradiated toward the bottom direction of the switch glass panel 12.

In the present embodiment, because the lighting assembly 2 of the present embodiment is not installed at the bottom of the fume collecting hood 11, it is avoided that the bottom of the fume collecting hood 11 is provided with an installation hole, which ensures the integrity and the aesthetic property of the fume collecting hood 11, facilitates scrubbing, and also avoids the fume entering the inside of the fume collecting hood 11 to corrode electrical components. Because the lighting assembly 2 of this embodiment is located between the switch glass panel 12 and the preceding terminal surface of cigarette machine body 1, namely lighting assembly 2 is outside collection petticoat pipe 11, this has just avoided the influence of oil smoke and high temperature, the easy problem of polluting and easily warping that exists of the lighting assembly of effectual present range hood of having solved. Still because the preceding terminal surface of the cigarette machine body 1 of this embodiment is the inclined plane of lower extreme towards the back slope of cigarette machine body 1, lighting assembly 2 installs in switch glass panel 12, and makes light shine towards the bottom direction of switch glass panel 12, and this just can make the light refraction that lighting assembly 2 sent go into switch glass panel 12 in, refracts the back directive cooking utensil out from the bottom of switch glass panel 12 again, realizes the culinary art illumination.

Preferably, the front end surface of the switch glass panel 12 is opaque, for example, a light shielding film is attached to the front end surface of the switch glass panel 12, so as to prevent the light from being emitted from the front end surface of the switch glass panel 12 and ensure the intensity of the light irradiated to the cooker.

Because the lighting assembly 2 is arranged between the switch glass panel 12 and the front end face of the cigarette machine body 1, the clamping force between the switch glass panel 12 and the front end face of the cigarette machine body 1 plays a first role in stabilizing the lighting assembly 2. And the lighting assembly 2 is arranged in the switch glass panel 12, so that the acting force of the switch glass panel 12 on the lighting assembly 12 plays a second stabilizing role on the lighting assembly 2, and the lighting assembly 2 can be effectively prevented from falling off in the transportation process.

As shown in fig. 3 and 4, since the height of the range hood installed by the user is generally limited to be higher than the range top by 650mm to 700mm, in order to irradiate the light refracted from the bottom of the opening and closing glass panel 12 to the range as much as possible, in a specific implementation, the included angle γ between the bottom of the inclined surface and the horizontal lower end surface of the smoke collecting hood 11 of the range hood body 1 is 100 ° to 120 °, and preferably 105 ° to 115 °.

Usually, the switch glass panel 12 is a cuboid structure, and when the switch glass panel 12 is installed at the front end face of the range hood body 1, the front end face of the switch glass panel 12 is parallel to the back face of the switch glass panel, that is, the included angle α formed by the back face of the switch glass panel 12 and the upper end face of the smoke collecting hood 11 of the range hood body 1 satisfies: and the included angle beta is the included angle formed by the front end surface of the switch glass panel 12 and the upper end surface of the smoke collecting hood of the cigarette machine body 1. In addition, because the back surface of the switch glass panel 12 is tightly attached to the front end surface of the range hood body 1, an included angle α and an included angle γ formed by the back surface of the switch glass panel 12 and the upper end surface of the smoke collecting hood 11 of the range hood body 1 are complementary angles.

Because the mounting groove 121 is to be opened at the back of the switch glass panel 12, and in order to reduce the propagation distance of the light, the mounting groove 121 is usually opened near the bottom of the switch glass panel 12, so in order to facilitate the opening of the mounting groove 121, the included angle α formed by the back of the switch glass panel 12 and the upper end surface of the smoke collecting hood of the range hood body 1 of the embodiment satisfies: alpha is less than beta, the included angle beta is the included angle formed by the front end surface of the switch glass panel 12 and the upper end surface of the smoke collecting hood of the range hood body 1, and the front end surface of the switch glass panel 12 is not parallel to the back surface of the switch glass panel 12 at the moment, so that the thickness of the lower part of the switch glass panel 12 is larger than that of the upper part of the switch glass panel 12, and the installation groove 121 is conveniently formed in the lower part of the switch glass panel 12. In this embodiment, α ≦ β ≦ 80 °, preferably, α ≦ 65 ≦ β ≦ 75 °.

Preferably, the bottom surface of the switch glass panel 12 is perpendicular to the back surface of the switch glass panel 12.

As shown in fig. 5 to 8, further, a mounting groove 121 is formed on the back surface of the switch glass panel 12, the lighting assembly 2 is mounted in the mounting groove 121, and light emitted by the lighting assembly 2 is emitted to the bottom of the mounting groove 121, refracted into the switch glass panel 12, refracted out of the bottom of the switch glass panel 12, and emitted to the kitchen range.

After the light that lighting assembly 2 sent is directive to the bottom of mounting groove 121, because the preceding terminal surface of switch glass panel 12 is opaque, so light refraction enters into the switch glass panel after, propagates downwards, finally refracts out from the bottom of switch glass panel 12, because the lower extreme of switch glass panel 12 is arranged towards the back slope of cigarette machine body 1, so the light that refracts out is final to be directive to the cooking utensils.

Preferably, the light emitted from the lighting assembly 2 is vertically emitted to the bottom of the mounting groove 121, because the refractive index of the glass is usually between 1.5 and 1.9, and if the light is vertical to the bottom of the mounting groove 121, it can be ensured that the light entering into the switch glass panel 12 can be refracted out through the bottom of the switch glass panel 12 as fast as possible and then emitted to the cooker.

As shown in fig. 5 and 6, further, the lighting assembly 2 includes a lamp housing 21, and a lighting lamp disposed in the lamp housing 21; the lamp housing 21 is installed in the installation groove 121 to form a chamber, and the illuminating lamp is arranged above the chamber to irradiate light towards the bottom of the switch glass panel 12. The light is refracted from the bottom of the mounting groove 121 to enter the switch glass panel 12, and is transmitted in the switch glass panel 12 toward the bottom of the switch glass panel 12, and then is refracted from the bottom of the switch glass panel 12 and finally emitted to the stove.

As shown in fig. 9 and 10, the lamp housing 21 includes a mounting plate 211 and a baffle 212; one end of the mounting plate 211 is inserted into the mounting groove 121, the other end of the mounting plate 211 is connected with the baffle 212, one end of the baffle 212 far away from the mounting plate 211 is abutted to the switch glass panel 12, and the mounting groove 121 is enclosed to form a bin; the illumination lamp is installed on the installation plate 211 to irradiate light toward the bottom of the installation recess 12, preferably, light is perpendicularly irradiated toward the bottom of the installation recess 12.

As shown in fig. 10, in the embodiment, the lamp housing 21 has a 7-shaped structure, wherein the mounting plate 211 and the baffle plate 212 are integrally formed, and when the mounting plate 211 is inserted into the mounting groove 121, the bottom of the baffle plate 212 abuts against the back surface of the switch glass panel 12, so that the mounting groove 121 is enclosed to form a chamber.

As shown in fig. 9 and 10, the baffle 22 is preferably an arc-shaped plate protruding away from the front end surface of the switch glass panel 12, which increases the space of the chamber.

As shown in fig. 5 and 6, further, the range hood further includes a connector 3, and the lighting assembly 2 is detachably connected to the switch glass panel 12 through the connector 3. The connecting element 3 provides a third, stabilizing effect for the lighting assembly 2.

As shown in fig. 6 and fig. 11-15, the connecting member 3 includes a fixing seat 31 and a fixing buckle 32; the fixed seat 31 is provided with a limit bayonet 33; the upper and lower limit clips of the fixing clip 32 are arranged in the limit bayonet 33.

In a specific implementation, the fixing base 31 is installed on the back of the switch glass panel 12, as shown in fig. 6, the fixing buckle 32 is connected with the lamp housing 21, as shown in fig. 13 and 14, preferably, the fixing buckle 32 is fixedly connected with the lamp housing 21 by a screw. During the installation, lighting assembly 2 and fixed buckle 32 can regard as a whole to go up the lower spacing fixedly through fixed buckle 32 and spacing bayonet 33, the quick dismouting of being convenient for.

As shown in fig. 16, the illuminating lamp comprises a plurality of groups of lamp beads, and the controller of the cigarette machine body is electrically connected with each group of lamp beads and used for adjusting the intensity of the illuminating lamp.

In a specific embodiment, the illuminating lamp is a lamp strip, the lamp strip is sequentially divided into three areas A, B and C along the length direction of the lamp shell 21, and each area is provided with at least one LED lamp bead, because of the multi-directional light propagating in the glass, the positions and the number of the lamp beads only influence the intensity of the light finally emitted to the stove, and the uniformity of the light is less influenced, so that the brightness adjustment of the illuminating lamp can be divided into three-gear and one-gear opening, and only the LED lamp beads in the middle area B emit light; the second gear is started, and the LED lamp beads positioned in the area A and the area C on the two sides emit light; and when the third gear is started, all the LED lamp beads in the area A, the area B and the area C emit light. Preferably, the region division of the lamp strip can be further refined, and corresponding gears can also be refined.

The installation process comprises the following steps:

the maintenance personnel firstly fixedly connect the lamp shell 21 with the fixing buckle 32 through screws, and install the illuminating lamp (lamp strip) on the installation plate 211; then, the lamp housing 21, the lighting lamp and the fixing buckle 32 are installed as a whole, that is, the mounting plate 211 is inserted into the mounting groove 121, and meanwhile, the fixing buckle 32 is clamped into the limiting bayonet 33 from top to bottom, after the clamping is in place, the bottom of the baffle plate 212 is abutted to the back surface of the switch glass panel 12, and the mounting groove 121 is covered to form a bin, at the moment, the lighting lamp is located above the bin, when the lighting lamp emits light, the light vertically emits to the bottom of the mounting groove 121, then is refracted into the switch glass panel 12, then is refracted out from the bottom surface of the switch glass panel 12, and finally emits to the stove.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the described parent features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

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

Claims (10)

1. A range hood comprises a range hood body (1) and a lighting assembly (2), wherein a switch glass panel (12) is installed on the front end face of the range hood body (1);

the cigarette making machine is characterized in that the front end face of the cigarette making machine body (1) is an inclined face with the lower end facing the back of the cigarette making machine body (1) in an inclined mode, the lighting assembly (2) is arranged between the switch glass panel (12) and the front end face of the cigarette making machine body (1), the lighting assembly (2) is installed in the switch glass panel (12), and light is enabled to face the bottom direction of the switch glass panel (12) to irradiate.

2. The range hood according to claim 1, wherein a mounting groove (121) is formed in the back surface of the switch glass panel (12), the lighting assembly (2) is mounted in the mounting groove (121), and light emitted by the lighting assembly (2) is emitted to the bottom of the mounting groove (121), refracted into the switch glass panel (12), refracted out of the bottom of the switch glass panel (12) and emitted to a kitchen range.

3. The range hood according to claim 2, wherein the lighting assembly (2) comprises a lamp housing (21), and a lighting lamp arranged in the lamp housing (21); the lamp shell (21) is installed in the installation groove (121) to form a chamber, and the illuminating lamp is arranged above the chamber and irradiates towards the bottom direction of the switch glass panel (12).

4. The range hood according to claim 3, wherein the lamp housing (21) comprises a mounting plate (211) and a baffle plate (212); one end of the mounting plate (211) is inserted into the mounting groove (121), the other end of the mounting plate is connected with the baffle plate (212), one end, far away from the mounting plate (211), of the baffle plate (212) is abutted to the switch glass panel (12), and the mounting groove (121) is enclosed to form a bin; the light is installed on the mounting plate (211), and light is made to irradiate towards the bottom direction of the mounting groove (12).

5. The range hood according to claim 4, wherein the baffle (212) is an arc-shaped plate protruding in a direction away from the front end surface of the switch glass panel (12).

6. The range hood according to any one of claims 1-5, further comprising a connector (3), wherein the lighting assembly (2) is detachably connected to the switch glass panel (12) through the connector (3).

7. The extractor hood according to claim 6, wherein the connecting piece (3) comprises a fixed seat (31) and a fixed buckle (32); a limiting bayonet (33) is arranged on the fixed seat (31); the upper limit and the lower limit of the fixed buckle (32) are clamped in the limit bayonet (33).

8. The range hood according to any one of claims 1 to 5, wherein an included angle γ between the inclined surface and the horizontal lower end surface of the smoke collecting hood (11) of the range hood body (1) is 100-120 °.

9. The range hood according to claim 8, wherein an included angle α and an included angle γ formed by the back surface of the switch glass panel (12) and the upper end surface of the smoke collecting hood (11) of the range hood body (1) are complementary angles, and the included angle α satisfies: alpha is more than or equal to 60 degrees and less than or equal to 80 degrees, wherein the included angle beta is the included angle formed by the front end surface of the switch glass panel (12) and the upper end surface of the smoke collecting hood (11) of the cigarette machine body (1).

10. The range hood according to any one of claims 1-5, wherein the front face of the switch glass panel (12) is opaque.

Images