CN216113562U - Range hood and panel and light-emitting component thereof - Google Patents

Abstract

The utility model relates to a range hood, a panel thereof and a light-emitting component. The heat dissipation shell is provided with an accommodating groove and a light-transmitting opening communicated with the accommodating groove. Lamp strip and light-passing board all set up in the inside of holding tank and all contact with the inner wall of holding tank. On one hand, after the light bar emits light, the light is incident to the light-transmitting plate, and the incident light of the light bar is emitted out through the light-transmitting opening by the light-transmitting plate, so that the light-emitting effect is uniform and the loss is relatively small compared with the traditional lampshade light-emitting form; on the other hand, the heat generated by the light bar and the light-transmitting plate is transferred to the heat dissipation shell and is timely and outwards diffused out through the heat dissipation shell; in addition, because lamp strip and light-passing board all set up in the inside of holding tank, after lamp strip, light-passing board and heat dissipation casing three formed a whole promptly, install on range hood's panel, the equipment is more convenient like this, installs more easily on range hood's panel.

Description

Range hood and panel and light-emitting component thereof

Technical Field

The utility model relates to the technical field of range hoods, in particular to a range hood, a panel and a light-emitting assembly thereof.

Background

The range hood is also more and more widely applied in daily life, and the range hood can be installed in kitchens of large hotels and restaurants and kitchens in families, so that a good kitchen environment is provided for users. The illuminating lamp of the range hood is generally arranged on a panel of the range hood, the illuminating lamp is usually in a combination form of a lamp bead and a lamp shade, the installation operation in the range hood is complicated, and the installation efficiency is low; in addition, because of range hood operational environment is special, range hood's inside temperature is higher usually, and the heat that the lamp pearl produced is not convenient for outside diffusion, leads to influencing product life.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the utility model is to provide a light-emitting component of a range hood, which is convenient for heat dissipation and has higher installation efficiency.

The second technical problem to be solved by the present invention is to provide a panel of a range hood, which is convenient for heat dissipation and has high installation efficiency.

The third technical problem to be solved by the utility model is to provide a range hood which is convenient for heat dissipation and has higher installation efficiency.

The first technical problem is solved by the following technical scheme:

a light emitting assembly of a range hood, the light emitting assembly of the range hood comprising: the heat dissipation device comprises a heat dissipation shell, a heat dissipation shell and a heat dissipation cover, wherein the heat dissipation shell is provided with an accommodating groove and a light transmission opening communicated with the accommodating groove; lamp strip and light-passing board, the lamp strip with the light-passing board all set up in the inside of holding tank and all with the inner wall of holding tank contacts, the front of light-passing board at least part with the light-passing opening is relative, just the lamp strip is located one of them side of light-passing board, the lamp strip is used for inciting somebody to action the light-passing board, the light-passing board be used for with the incident light of lamp strip passes through the light-passing opening outwards jets out.

Compared with the background technology, the light-emitting component of the range hood of the utility model has the following beneficial effects:

on one hand, the light-emitting component of the range hood emits light to the light-transmitting plate after the light bar emits light, and the light-transmitting plate emits the incident light of the light bar outwards through the light-transmitting opening; on the other hand, the heat generated by the light bar and the light-transmitting plate is transferred to the heat dissipation shell and is timely and outwards diffused out through the heat dissipation shell; in addition, because lamp strip and light-passing board all set up in the inside of holding tank, after lamp strip, light-passing board and heat dissipation casing three formed a whole promptly, install on range hood's panel, the equipment is more convenient like this, installs more easily on range hood's panel.

In one embodiment, the opposite sides of the heat dissipation shell are respectively provided with an opening communicated with the accommodating groove and a sealing cover detachably arranged on the opening; the opening is used for the lamp strip with the light-passing board inserts the inside of holding tank. Therefore, in the assembly process of the light-emitting component, after the light bar and the light-transmitting plate are inserted into the accommodating groove through the opening, the light bar, the light-transmitting plate and the heat dissipation shell can be assembled together through the sealing cover arranged on the opening, the operation is more convenient, and the heat dissipation shell is arranged on the panel of the range hood; in addition, when the lamp strip needs to be taken out for maintenance or replacement, the sealing cover is pulled out from the opening, and then the lamp strip is taken out from the accommodating groove.

In one embodiment, the heat dissipation housing comprises a back panel, a top panel, a bottom panel and a front panel; the back panel is respectively connected with the top panel and the bottom panel, the front panel is respectively connected with the top panel and the bottom panel, and the front panel and the back panel are arranged at intervals; the light-transmitting opening is arranged on the front panel; the back panel, the top panel, the bottom panel and the front panel enclose the accommodating groove.

In one embodiment, at least one heat dissipation block is arranged on the plate surface of the back panel. Specifically, the number of the heat dissipation blocks is, for example, two, three, or other numbers, the heat dissipation blocks are disposed on the plate surface of the back plate at intervals, and the heat dissipation blocks extend from one side of the plate surface of the back plate to the other side of the back plate, for example. Therefore, the contact area between the radiating shell and the external environment is increased, and a better radiating effect is achieved.

In one embodiment, the light emitting assembly of the range hood further comprises a first light barrier arranged inside the accommodating groove; the first light barrier is arranged between the light-transmitting plate and the bottom wall of the accommodating groove and is positioned on the back surface of the light-transmitting plate. So, first barn door is located the light-passing board and deviates from the side in light-passing opening, plays the effect of being in the light for the light-passing board all jets out through light-passing opening outwards with light, and the spotlight effect is better.

In one embodiment, the light emitting assembly of the range hood further comprises a second light shielding plate; the second light blocking plate is arranged between the light transmitting plate and the bottom wall of the accommodating groove and is positioned on one side, opposite to the light bar, of the light transmitting plate. Therefore, the second light blocking plate has the light blocking effect on the bottom side of the light transmitting plate, so that the light transmitting plate can emit light outwards through the light transmitting opening, and the light condensation effect is good. In addition, all be located the light-passing board left and right sides and all be equipped with the closing cap, the closing cap also plays the effect that is in the light, can make the light-passing board outwards penetrate light through the printing opacity mouth, and spotlight effect is better.

In one embodiment, the lamp strip comprises a PCB, a plurality of lamp beads sequentially arranged on the PCB at intervals, and a lead electrically connected with the PCB; the radiating shell is provided with a wire routing hole, and the wires are led out outwards through the wire routing hole.

In one embodiment, the heat dissipation housing is one or more of an aluminum housing, a copper housing, an iron housing, and a stainless steel housing. Certainly, the heat dissipation shell can also be other metal shells, and the heat dissipation shell can relatively spread the heat of lamp strip and light-passing board outward fast like this.

The first technical problem is solved by the following technical scheme:

the panel of the range hood comprises the light-emitting component and a body; the light emitting assembly is arranged on the inner side surface of the body, and the part of the body corresponding to the position of the light transmitting opening is a light transmitting part.

Compared with the background technology, the panel of the range hood of the utility model has the following beneficial effects:

on one hand, the panel of the range hood emits light to the light-transmitting plate after the light bar emits light, and the light-transmitting plate emits the incident light of the light bar outwards through the light-transmitting opening; on the other hand, the heat generated by the light bar and the light-transmitting plate is transferred to the heat dissipation shell and is timely and outwards diffused out through the heat dissipation shell; in addition, because lamp strip and light-passing board all set up in the inside of holding tank, after lamp strip, light-passing board and heat dissipation casing three formed a whole promptly, install on range hood's panel, the equipment is more convenient like this, installs more easily on range hood's panel.

The first technical problem is solved by the following technical scheme:

a range hood comprises the light-emitting component.

Compared with the background technology, the range hood of the utility model has the following beneficial effects:

on one hand, the range hood can make the light emitting effect more uniform and the loss relatively smaller compared with the traditional lampshade light emitting form; on the other hand, the heat generated by the light bar and the light-transmitting plate is transferred to the heat dissipation shell and is timely and outwards diffused out through the heat dissipation shell; in addition, because lamp strip and light-passing board all set up in the inside of holding tank, after lamp strip, light-passing board and heat dissipation casing three formed a whole promptly, install on range hood's panel, the equipment is more convenient like this, installs more easily on range hood's panel.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded schematic view of a light emitting assembly of a range hood according to an embodiment of the present invention;

fig. 2 is a schematic view of a light-emitting assembly of a range hood according to an embodiment of the present invention;

fig. 3 is another schematic view structure diagram of a light emitting assembly of a range hood according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view at A-A of FIG. 3;

fig. 5 is a schematic view of a viewing angle structure of a panel of the range hood according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view at B-B of fig. 5.

Reference numerals:

10. a heat dissipating housing; 11. accommodating grooves; 12. a light-transmitting opening; 13. an opening; 14. a back panel; 141. a heat dissipating block; 15. a top panel; 16. a bottom panel; 17. a front panel; 18. a wiring hole; 20. a light bar; 21. a PCB board; 22. a lamp bead; 23. a wire; 30. a light-transmitting plate; 40. sealing the cover; 60. a first light barrier; 70. a body; 71. a light-transmitting portion; 80. mounting a plate; 81. a first flanging; 90. a cover body; 91. mounting holes; 92. and a second flanging.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1 to 4, fig. 1 is an exploded schematic view illustrating a light emitting assembly of a range hood according to an embodiment of the present invention; fig. 2 is a schematic view illustrating a structure of a light-emitting assembly of a range hood according to an embodiment of the present invention; fig. 3 is a schematic view illustrating another perspective structure of the light-emitting assembly of the range hood according to an embodiment of the present invention; fig. 4 shows a schematic cross-sectional structure at a-a of fig. 3. In an embodiment of the utility model, the light-emitting component of the range hood includes a heat dissipation housing 10, a light bar 20, and a transparent plate 30. The heat dissipation housing 10 is provided with a receiving groove 11 and a light-transmitting opening 12 communicated with the receiving groove 11. Light bar 20 and light-passing board 30 all set up in the inside of holding tank 11 and all contact with the inner wall of holding tank 11. The front surface of the light-transmitting plate 30 is at least partially opposite to the light-transmitting opening 12, and the light bar 20 is located at one side edge of the light-transmitting plate 30, and the light bar 20 is used for emitting light to the light-transmitting plate 30. The light-transmitting plate 30 is used for emitting the incident light of the light bar 20 out through the light-transmitting opening 12.

It should be noted that, the contact between the light bar 20 and the transparent plate 30 and the inner wall of the receiving groove 11 may be direct contact for heat transfer, or an intermediate element is disposed between the light bar 20 and the inner wall of the receiving groove 11, that is, an indirect contact.

It should also be noted that the light bar 20 can be disposed on any side of the light-transmitting panel 30, such as the top, bottom, left, or right side, depending on the application. In fig. 4, the light bar 20 is shown disposed on the top side of the light-transmitting panel 30.

On one hand, the light-emitting component of the range hood, on the one hand, emits light into the light-transmitting plate 30 after the light bar 20 emits light, and the light-transmitting plate 30 emits the incident light of the light bar 20 outwards through the light-transmitting opening 12, so that the light-emitting effect is more uniform and the loss is relatively smaller compared with the traditional lampshade light-emitting form; on the other hand, the heat generated by the light bar 20 and the transparent plate 30 is transferred to the heat dissipation casing 10 and is timely diffused out through the heat dissipation casing 10; in addition, because the light bar 20 and the transparent plate 30 are both disposed inside the accommodating groove 11, that is, the light bar 20, the transparent plate 30 and the heat dissipating housing 10 are integrated and then mounted on the panel of the range hood, the assembly is more convenient, and the assembly is easier on the panel of the range hood.

Referring to fig. 1 to 4, in an embodiment, the heat dissipating housing 10 is provided with an opening 13 communicating with the receiving groove 11 and a sealing cover 40 detachably disposed on the opening 13 on two opposite sides. The opening 13 is used for inserting the light bar 20 and the light-transmitting plate 30 into the accommodating groove 11 through the opening 13. Therefore, in the assembly process of the light-emitting component, after the light bar 20 and the light-transmitting plate 30 are inserted into the accommodating groove 11 through the opening 13, the light bar 20, the light-transmitting plate 30 and the heat-dissipating shell 10 can be assembled together through the sealing cover 40 arranged on the opening 13, the operation is convenient, and the heat-dissipating shell 10 is arranged on the panel of the range hood; in addition, when the light bar 20 needs to be taken out for maintenance or replacement, the cover 40 is pulled out from the opening 13, and then the light bar 20 is taken out from the accommodating groove 11.

Referring to fig. 1 to 4, in one embodiment, the heat dissipation housing 10 includes a back panel 14, a top panel 15, a bottom panel 16 and a front panel 17. The back panel 14 is connected to the top panel 15 and the bottom panel 16, respectively, the front panel 17 is connected to the top panel 15 and the bottom panel 16, respectively, and the front panel 17 and the back panel 14 are spaced apart from each other. The light transmission opening 12 is provided on the front panel 17. The back panel 14, the top panel 15, the bottom panel 16 and the front panel 17 enclose the receiving groove 11.

The "top panel 15, the bottom panel 16, and the front panel 17" may be a part of the "back panel 14", that is, the "top panel 15, the bottom panel 16, the front panel 17" and the "other part of the back panel 14" may be manufactured by integral molding; the top panel 15, the bottom panel 16 and the front panel 17, which may be a separate member from the other portion of the back panel 14, may be manufactured separately and then combined with the other portion of the back panel 14 to form a single unit. In one embodiment, as shown in fig. 4, the top panel 15, the bottom panel 16 and the front panel 17 are integrally formed as part of the back panel 14.

In order to emit light from the light-transmitting opening 12, the light-emitting module is mounted on the panel such that the front plate 17 faces the user's use position and the back plate 14 faces away from the user's use position, so that the light emitted from the light-transmitting opening 12 can be irradiated to the user's use position to achieve the illumination effect.

In this embodiment, referring to fig. 4, the light-transmitting opening 12 extends from one side of the front panel 17 to the other side of the front panel 17, so as to divide the front panel 17 into an upper plate and a lower plate. Of course, the light-transmitting opening 12 may be in other arrangements, and is not limited herein.

Referring to fig. 2 and 4, in one embodiment, at least one heat sink 141 is disposed on the board surface of the back board 14. Specifically, the number of the heat dissipation blocks 141 is, for example, two, three, or another number, the heat dissipation blocks 141 are disposed at intervals on the plate surface of the back plate 14, and the heat dissipation blocks 141 extend from one side of the plate surface of the back plate 14 to the other side of the back plate 14, for example. Thus, the contact area between the heat dissipation housing 10 and the external environment is increased, and a good heat dissipation effect is achieved.

Note that the "heat dissipation block 141" may be a "part of the back surface plate 14", that is, the "heat dissipation block 141" and the "other part of the back surface plate 14" are integrally formed; the "heat dissipation block 141" may be manufactured separately from a separate member that is separable from the "other portion of the back plate 14" and may be combined with the "other portion of the back plate 14" to form a single body. In one embodiment, as shown in fig. 2 or 4, the heat dissipation block 141 is a part of the back plate 14 integrally formed.

Referring to fig. 4, in an embodiment, the light emitting assembly of the range hood further includes a first light barrier 60 disposed inside the accommodating groove 11. The first light barrier 60 is disposed between the transparent plate 30 and the bottom wall of the accommodating cavity 11 and is located on the back surface of the transparent plate 30. Therefore, the first light barrier 60 is located on the side of the light-transmitting plate 30 away from the light-transmitting opening 12, and plays a role in blocking light, so that the light-transmitting plate 30 emits light outwards through the light-transmitting opening 12, and the light-gathering effect is good.

In one embodiment, the light emitting assembly of the range hood further comprises a second light blocking plate. The second light-blocking plate is disposed between the light-transmitting plate 30 and the bottom wall of the accommodating groove 11 and located on one side of the light-transmitting plate 30 opposite to the light bar 20. Therefore, the second light-blocking plate has a light-blocking effect on the bottom side of the light-transmitting plate 30, so that the light-transmitting plate 30 can emit light outwards through the light-transmitting opening 12, and the light-gathering effect is good. In addition, all be located the light-passing board 30 left and right sides and all be equipped with closing cap 40, closing cap 40 also plays the effect of being in the light, can make light-passing board 30 all outwards penetrate through light-passing hole 12 with light, and the spotlight effect is better.

Referring to fig. 4, in an embodiment, the light bar 20 includes a PCB 21, a plurality of light beads 22 sequentially disposed on the PCB 21 at intervals, and a conductive wire 23 electrically connected to the PCB 21. The heat dissipation housing 10 is provided with a wiring hole 18, and a lead 23 is led out through the wiring hole 18.

In one embodiment, the heat dissipation case 10 is one or more of an aluminum case, a copper case, an iron case, and a stainless steel case. Of course, the heat dissipation housing 10 can be other metal housings, so that the heat dissipation housing 10 can dissipate the heat of the light bar 20 and the transparent plate 30 relatively quickly.

Referring to fig. 4 to 6, fig. 5 is a schematic view illustrating a viewing angle structure of a panel of a range hood according to an embodiment of the utility model, and fig. 6 is a schematic cross-sectional structure at B-B of fig. 5. In an embodiment, a panel of a range hood includes the light emitting assembly of any of the above embodiments, and further includes a body 70. The light emitting element is disposed on the inner surface of the main body 70, and a portion of the main body 70 corresponding to the light transmitting opening 12 is a light transmitting portion 71.

It should be noted that the inner side surface of the body 70 refers to a surface opposite to the outer side surface of the body 70, the outer side surface refers to a surface of the body 70 facing the user and located outside the range hood, and the inner side surface refers to a surface of the body 70 facing away from the user and located inside the range hood.

On one hand, the panel of the range hood is characterized in that the light bar 20 emits light to the light-transmitting plate 30 after emitting light, and the light-transmitting plate 30 emits the incident light of the light bar 20 outwards through the light-transmitting opening 12, so that the light-emitting effect is uniform and the loss is relatively small compared with the traditional lampshade light-emitting form; on the other hand, the heat generated by the light bar 20 and the transparent plate 30 is transferred to the heat dissipation casing 10 and is timely diffused out through the heat dissipation casing 10; in addition, because the light bar 20 and the transparent plate 30 are both disposed inside the accommodating groove 11, that is, the light bar 20, the transparent plate 30 and the heat dissipating housing 10 are integrated and then mounted on the panel of the range hood, the assembly is more convenient, and the assembly is easier on the panel of the range hood.

Referring to fig. 6, the panel of the range hood further includes a mounting plate 80 and a hood 90. The mounting plate 80 is used to be mounted on the inner side surface of the body 70, and the mounting plate 80 is provided with a corresponding window of the heat dissipation housing 10. The window is provided with a first flange 81, and the heat dissipation housing 10 is disposed at the window and abutted against the first flange 81. The cover body 90 covers the outside of the heat dissipation housing 10, so as to protect the heat dissipation housing 10 and prevent oil stains in the range hood from entering the cover body 90 to pollute the light-emitting assembly.

Referring to fig. 6, specifically, the mouth of the cover 90 is provided with a second flange 92, and the second flange 92 is detachably fixed on the mounting plate 80. In addition, the cover 90 is provided with a mounting hole 91, and the mounting hole 91 is provided with a mounting member (not shown), which abuts against the surface of the heat dissipation housing 10 inside the cover 90, so that the heat dissipation housing 10 can be stably disposed on the body 70.

Referring to fig. 4 to 6, in an embodiment, a range hood includes the light emitting assembly of any of the above embodiments.

On one hand, the range hood is characterized in that the light bar 20 emits light to the transparent plate 30 after emitting light, and the transparent plate 30 emits the incident light of the light bar 20 outwards through the transparent opening 12, so that the range hood has a uniform light emitting effect and relatively small loss compared with a traditional lampshade light emitting form; on the other hand, the heat generated by the light bar 20 and the transparent plate 30 is transferred to the heat dissipation casing 10 and is timely diffused out through the heat dissipation casing 10; in addition, because the light bar 20 and the transparent plate 30 are both disposed inside the accommodating groove 11, that is, the light bar 20, the transparent plate 30 and the heat dissipating housing 10 are integrated and then mounted on the panel of the range hood, the assembly is more convenient, and the assembly is easier on the panel of the range hood.

It should be noted that while one of the elements is described as being connected to another element and one of the elements is described as being attached to another element, it should be understood that the two elements may be connected by, for example, bolts, screws, pins, rivets, or other mounting means, or may be fixedly connected by snapping, welding, or integral molding. Wherein, the integrated molding mode can adopt the processes of extrusion, casting, press fitting, injection molding and the like.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. A light-emitting component of a range hood is characterized by comprising:

the heat dissipation device comprises a heat dissipation shell (10), wherein the heat dissipation shell (10) is provided with an accommodating groove (11) and a light-transmitting opening (12) communicated with the accommodating groove (11);

light bar (20) and light-passing board (30), light bar (20) with light-passing board (30) all set up in the inside of holding tank (11) and all with the inner wall of holding tank (11) contacts, the front of light-passing board (30) at least part with light-passing hole (12) are relative, just light bar (20) are located one of them side of light-passing board (30), light bar (20) are used for incidenting light into light-passing board (30), light-passing board (30) are used for with the incident light of light bar (20) passes through light-passing hole (12) outwards jets out.

2. The light-emitting assembly of the range hood according to claim 1, wherein the opposite sides of the heat dissipation housing (10) are respectively provided with an opening (13) communicated with the accommodating groove (11) and a cover (40) detachably arranged on the opening (13); the opening (13) is used for inserting the light bar (20) and the light-transmitting plate (30) into the accommodating groove (11).

3. The light-emitting assembly of a range hood according to claim 1, wherein the heat dissipation housing (10) comprises a back panel (14), a top panel (15), a bottom panel (16) and a front panel (17); the rear panel (14) is respectively connected with the top panel (15) and the bottom panel (16), the front panel (17) is respectively connected with the top panel (15) and the bottom panel (16), and the front panel (17) and the rear panel (14) are arranged at intervals; the light-transmitting opening (12) is arranged on the front panel (17); the back panel (14), the top panel (15), the bottom panel (16) and the front panel (17) enclose the accommodating groove (11).

4. The light-emitting assembly of a range hood according to claim 3, wherein the back panel (14) has at least one heat sink (141) on its surface.

5. The light-emitting assembly of the range hood according to claim 1, further comprising a first light barrier (60) disposed inside the accommodating groove (11); the first light barrier (60) is arranged between the light-transmitting plate (30) and the bottom wall of the accommodating groove (11) and is positioned on the back face of the light-transmitting plate (30).

6. The range hood light assembly of claim 1, further comprising a second light baffle; the second light blocking plate is arranged between the light transmitting plate (30) and the bottom wall of the accommodating groove (11) and is positioned on one side, opposite to the light bar (20), of the light transmitting plate (30).

7. The light-emitting assembly of the range hood according to claim 1, wherein the light bar (20) comprises a PCB (21), a plurality of beads (22) sequentially arranged on the PCB (21) at intervals, and a wire (23) electrically connected with the PCB (21); a wire routing hole (18) is formed in the heat dissipation shell (10), and a lead (23) is led out outwards through the wire routing hole (18).

8. The light-emitting assembly of a range hood according to claim 1, wherein the heat dissipation housing (10) is one or more of an aluminum housing, a copper housing, an iron housing and a stainless steel housing.

9. A panel of a range hood, characterized in that the panel of the range hood comprises a light emitting assembly according to any one of claims 1 to 8, and further comprises a body (70); the light emitting assembly is arranged on the inner side surface of the body (70), and the part, corresponding to the position of the light transmission opening (12), of the body (70) is a light transmission part (71).

10. A range hood, comprising the light emitting assembly of any one of claims 1 to 8.

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