CN211902805U

CN211902805U - Lighting fan

Info

Publication number: CN211902805U
Application number: CN202020490190.0U
Authority: CN
Inventors: 任文华
Original assignee: Xu Jiqiong
Current assignee: Xu Jiqiong
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-10
Anticipated expiration: 2030-04-03

Abstract

The lighting fan relates to the technical field of electric appliances, and comprises a fan part and a lamp part, and is characterized in that the fan part comprises a first cross-flow impeller, a second cross-flow impeller, a front shell with a central through hole, and a first air inlet, a second air inlet, a first air outlet and a second air outlet which are positioned on the front shell; the first air inlet and the second air inlet are respectively positioned at the upper side and the lower side of the central through hole; the first air outlet and the second air outlet are respectively positioned on the left side and the right side of the central through hole; the lamp portion includes a first lamp at least partially disposed in the central through hole. The lighting fan has the characteristics of compact structure, attractive appearance and excellent heat dissipation performance.

Description

Lighting fan

Technical Field

The utility model belongs to the technical field of the electrical apparatus technique and specifically relates to a lighting fan is related to.

Background

The lighting fan is a common household appliance, and the aesthetic property and luminous efficiency of the lighting fan are very concerns for users. At present, a lamp and a fan are combined together to form the lighting fan, the lighting fan is a perfect combination of the lamp and the fan, and therefore the lighting fan has the lighting function of the lamp and the practicability of the fan, and is well received by people. However, in the prior art, the aesthetic property and the luminous efficiency of the lighting fan are often insufficient, and different requirements of people are difficult to meet.

Disclosure of Invention

The utility model aims to provide a compact structure, the pleasing to the eye and the better lighting fan of thermal diffusivity of appearance to overcome the shortcoming that prior art exists.

In order to achieve the object of the present invention, the present invention provides an illumination fan, which comprises a fan part and a lamp part, wherein the fan part comprises a first through-flow impeller, a second through-flow impeller, a front shell having a central through-hole, and a first air inlet, a second air inlet, a first air outlet and a second air outlet on the front shell; the first air inlet and the second air inlet are respectively positioned at the upper side and the lower side of the central through hole and are used for inputting air flow; the first air outlet and the second air outlet are respectively positioned on the left side and the right side of the central through hole, the first air outlet is used for outputting airflow formed by the first through-flow impeller, and the second air outlet is used for outputting airflow formed by the second through-flow impeller; the lamp portion includes a first lamp at least partially disposed in the central through hole.

According to the lighting fan, the first lamp is arranged in the central through hole of the front shell, the air inlets and the air outlets are alternately arranged on the periphery of the central through hole, the lighting fan is attractive in appearance and compact in structure, and in addition, the front end and the rear end of the first lamp are airflow flowing areas, so that the heat dissipation of the first lamp is very facilitated.

Preferably, the first luminaire comprises an LED lamp with an LED element or an LED module.

Preferably, the first light fixture comprises a plexiglas housing and an LED element or LED module located within the plexiglas housing.

The first lamp can comprise a circular lamp, a rectangular lamp and other lamps.

Preferably, the fan part further comprises a first driving motor for driving the first cross flow impeller to rotate and work and a second driving motor for driving the second cross flow impeller to rotate and work.

Preferably, the fan part further comprises a grid mesh with a central opening, wherein the grid mesh is positioned in the central through hole, the peripheral edge of the grid mesh is fixed with the hole wall of the central through hole, and the first lamp is at least partially positioned in the central opening. The grid is used for both decoration and airflow input, and airflow is input through the hole array on the grid so as to facilitate heat dissipation of the first lamp and provide working airflow for the first through-flow impeller and the second through-flow impeller.

Preferably, the fan part further comprises an annular housing having a through hole fixed to an inner wall of the front case, wherein the through hole of the annular housing communicates with the central through hole of the front case.

In a preferred embodiment, the fan section further comprises an annular housing having a through hole and fixed to the inner wall of the front housing, wherein the through hole of the annular housing is communicated with the central through hole of the front housing, the annular housing comprises a first housing portion, a second housing portion, a third housing portion and a fourth housing portion, the first housing portion is capable of guiding a part of the airflow formed by the first cross-flow impeller to the first air outlet, the second housing portion is capable of guiding a part of the airflow formed by the second cross-flow impeller to the second air outlet, the third housing portion is capable of guiding a part of the airflow entering from the first air inlet to the first cross-flow impeller and the second cross-flow impeller, and the fourth housing portion is capable of guiding a part of the airflow entering from the second air inlet to the first cross-flow impeller and the second cross-flow impeller. The annular shell simultaneously provides a flow guide function for the related air flows entering and exiting the first air inlet, the second air inlet, the first air outlet and the second air outlet, and is favorable for reducing the flow loss of the air flows.

Preferably, the front shell further comprises a groove forming a closed loop, a through hole is formed in the bottom of the groove, and the central through hole, the first air inlet, the second air inlet, the first air outlet and the second air outlet are all located inside the closed loop formed by the groove; the lamp portion further includes an annular second lamp at least partially disposed in the recess.

Preferably, the second luminaire comprises an LED lamp with LED elements or LED modules.

Preferably, the second luminaire comprises a plexiglas housing and an LED element or LED module located within the plexiglas housing.

The second lamp is beneficial to expanding the illumination range of the lamp part and can be matched with the first lamp to form a more beautiful shape; meanwhile, the second lamp is arranged in the groove with the bottom through hole, so that the compactness of the second lamp and the heat dissipation performance of the second lamp are improved.

Preferably, the cross-sections of the first air inlet, the second air inlet, the first air outlet and the second air outlet are all trapezoidal in shape. The trapezoid can be a rounded trapezoid or a non-rounded trapezoid.

Preferably, the cross-sections of the first air inlet, the second air inlet, the first air outlet and the second air outlet are all rectangular in shape. The rectangle can be a rounded rectangle or a non-rounded rectangle.

The cross section of the central through hole is rectangular, can also be circular, and can also be in other shapes.

Preferably, the fan part further includes a first grill disposed in the first air inlet, a second grill disposed in the second air inlet, a third grill disposed in the first air outlet, and a fourth grill disposed in the second air outlet.

Preferably, the distance between the first and second air outlets is greater than the distance between the first and second through-flow impellers.

Preferably, the first crossflow impeller and the second crossflow impeller are arranged in parallel, and the distance between the first crossflow impeller and the second crossflow impeller is 20 mm to 400 mm.

Drawings

Fig. l is a schematic view of an illumination fan according to a first embodiment of the present invention.

Fig. 2 is a sectional view of the illumination fan taken along line a-a in fig. 1.

Fig. 3 is a sectional view of the illumination fan taken along line B-B in fig. 1.

Fig. 4 is a schematic view of an illumination fan according to a second embodiment of the present invention.

Fig. 5 is a schematic view of an illumination fan according to a third embodiment of the present invention.

Fig. 6 is a schematic view of an illumination fan according to a fourth embodiment of the present invention.

Fig. 7 is a sectional view of the illumination fan taken along line C-C in fig. 6.

Detailed Description

Fig. l to 3 show an illumination fan according to a first embodiment of the present invention. As can be seen from fig. 1 to 3, the illuminating fan 100 comprises a housing, a first crossflow impeller 25 and a second crossflow impeller 26 located within the housing, a first volute 17 and a first volute tongue 18 adjacent to the first crossflow impeller 25, and a second volute 19 and a second volute tongue 20 adjacent to the second crossflow impeller 26.

In this embodiment, a first driving motor and a second driving motor (not shown) are further disposed in the housing, the first driving motor drives the first axial-flow impeller 25 to rotate, and the second driving motor drives the second axial-flow impeller 26 to rotate.

In the present embodiment, the housing comprises a front shell 10 and a rear shell 30 having a central through hole 15, and a first air inlet 11, a second air inlet 12, a first air outlet 13 and a second air outlet 14 are provided on the front shell 10; the first air inlet 11 and the second air inlet 12 are respectively positioned at the upper side and the lower side of the central through hole 15, and working air flow required by the first cross-flow impeller 25 and the second cross-flow impeller 26 can be input through the first air inlet 11 and the second air inlet 12; the first air outlet 13 and the second air outlet 14 are respectively located on the left side and the right side of the central through hole 15, the first air outlet 13 is used for outputting the airflow formed by the first through-flow impeller 25, and the second air outlet 14 is used for outputting the airflow formed by the second through-flow impeller 26.

In the present embodiment, the cross-sectional shapes of the first air inlet 11, the second air inlet 12, the first air outlet 13, and the second air outlet 14 are all trapezoidal. The trapezoid is a rounded trapezoid. The cross-sectional shapes of the first gas inlet, the second gas inlet, the first gas outlet and the second gas outlet may be other shapes, for example, the shapes may be rectangular, as required.

In the present embodiment, the first lamp 16 is located in the central through hole 15, and the first lamp 16 is a rectangular LED lamp; the lighting fan 100 further comprises an annular housing 27 having a through hole 29, wherein the front end of the annular housing 27 is fixed to the inner wall of the front shell 10, the rear end of the annular housing 27 is fixed to the first volute tongue 18 and the second volute tongue 20, respectively, and the through hole 29 of the annular housing 27 is communicated with the central through hole 15 of the front shell 10; thus, the front end and the rear end of the first lamp 16 are both flow areas of the airflow, which is very beneficial for heat dissipation of the first lamp 16.

In the present embodiment, the annular casing 27 is an annular casing having a rectangular cross section, the four side casings constituting the annular casing are each a flat plate-shaped casing, and the annular casing 27 includes a flat plate-shaped first casing section 21, a flat plate-shaped second casing section 22, a flat plate-shaped third casing section 23, and a flat plate-shaped fourth casing section 24, a rear end of the first casing section 21 is fixed to the first worm tongue 18, and a rear end of the second casing section 22 is fixed to the second worm tongue 20.

As can be easily seen in fig. 1 to 3, the first housing part 21 can guide part of the airflow formed by the first through-flow impeller 25 to the first air outlet 13, the second housing part 22 can guide part of the airflow formed by the second through-flow impeller 26 to the second air outlet 14, the third housing part 23 can guide part of the airflow entering from the first air inlet 11 to the first through-flow impeller 25 and the second through-flow impeller 26, and the fourth housing part 24 can guide part of the airflow entering from the second air inlet 12 to the first through-flow impeller 25 and the second through-flow impeller 26, and obviously, the arrangement of the annular housing 27 is very beneficial to reducing the flow loss of the airflow. Therefore, the illumination fan 100 of the present embodiment not only has a compact structure, an attractive appearance, and excellent heat dissipation performance, but also has low airflow loss.

Fig. 4 shows an illumination fan according to a second embodiment of the present invention. As can be seen from fig. 4, the illumination fan of the present embodiment is similar to the illumination fan of the first embodiment. The lighting fan 100 of the present embodiment is that an annular grid 28 having a central opening 34 is added on the basis of the first embodiment, the central opening 34 of the grid 28 is rectangular, the grid 28 is located in the central through hole of the front housing 10, the peripheral edge of the grid 28 is fixed to the hole wall of the central through hole, the first lamp 16 is located in the central opening 34, and the first lamp 16 of the present embodiment is also an LED lamp.

As is readily apparent from fig. 4, the grid 28 has both a decorative function and a function of allowing an air flow to be input, and the input of the air flow through the array of holes on the grid 28 facilitates the heat dissipation of the first lamp 16 and provides the working air flow for the first and second through-

flow impellers

25, 26. The illumination fan 100 of the present embodiment also has the characteristics of compact structure, beautiful appearance, and excellent heat dissipation performance.

Fig. 5 shows an illumination fan according to a third embodiment of the present invention. As can be seen in fig. 5, the fan 100 of this embodiment is similar to the fan of the second embodiment shown in fig. 4, except that the grill 28 and the first lamp 16 are shaped differently. In this embodiment, the central opening 34 of the grill 28 is circular in shape, as is the shape of the first light fixture 16. The illumination fan 100 of the present embodiment also has the characteristics of compact structure, beautiful appearance, and excellent heat dissipation performance.

Fig. 6 to 7 show an illumination fan according to a fourth embodiment of the present invention. As can be seen from fig. 6 to 7, the lighting fan 100 of the present embodiment includes a housing, a first crossflow impeller 25, a second crossflow impeller 26, a first drive motor and a second drive motor (not shown), a first volute 17 and a first volute tongue 18 adjacent to the first crossflow impeller 25, and a second volute 19 and a second volute tongue 20 adjacent to the second crossflow impeller 26.

In the present embodiment, the housing comprises a front shell 10 and a rear shell 30 having a central through hole 15, and a first air inlet 11, a second air inlet 12, a first air outlet 13, a second air outlet 14 and a groove 31 constituting a closed loop are provided on the front shell 10; the first air inlet 11 and the second air inlet 12 are respectively positioned at the upper side and the lower side of the central through hole 15, and working air flow required by the first cross-flow impeller 25 and the second cross-flow impeller 26 can be input through the first air inlet 11 and the second air inlet 12; the first air outlet 13 and the second air outlet 14 are respectively positioned at the left side and the right side of the central through hole 15, the first air outlet 13 is used for outputting the airflow formed by the first through-flow impeller 25, and the second air outlet 14 is used for outputting the airflow formed by the second through-flow impeller 26; a plurality of through holes 33 are provided at the bottom of the groove 31, wherein the central through hole 15, the first air inlet 11, the second air inlet 12, the first air outlet 13 and the second air outlet 14 are all located inside the closed loop formed by the groove 31.

In the present embodiment, the lamp portion includes a rectangular first lamp 16 and a ring-shaped second lamp 32, the first lamp 16 and the second lamp 32 are LED lamps, the first lamp 16 is located in the central through hole 15, the ring-shaped second lamp 32 is located in the groove 31, and the rectangular first lamp 16 is located inside the ring-shaped second lamp 32 and spaced apart from each other by a certain distance.

As can be easily seen from fig. 7, the front ends and the rear ends of the first lamp 16 and the second lamp 32 are located in the airflow flowing region, so that good heat dissipation is easily achieved, and the illumination fan 100 of the present embodiment has a large illumination area, and has the characteristics of compact structure, beautiful appearance and excellent heat dissipation performance.

The illumination fans of the four embodiments described above are suitable for hanging use, and also suitable for ceiling-mounted illumination fans.

While there have been shown and described what are at present considered to be the preferred embodiments of the invention, it will be obvious to those skilled in the art that various changes and modifications can be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. An illuminating fan comprises a fan part and a lamp part, and is characterized in that the fan part comprises a first cross-flow impeller, a second cross-flow impeller, a front shell with a central through hole, and a first air inlet, a second air inlet, a first air outlet and a second air outlet which are positioned on the front shell; the first air inlet and the second air inlet are respectively positioned at the upper side and the lower side of the central through hole and are used for inputting air flow; the first air outlet and the second air outlet are respectively positioned on the left side and the right side of the central through hole, the first air outlet is used for outputting airflow formed by the first through-flow impeller, and the second air outlet is used for outputting airflow formed by the second through-flow impeller; the lamp portion includes a first lamp at least partially disposed in the central through hole.

2. The illumination fan of claim 1 wherein the fan section further comprises a grill having a central opening positioned within the central opening, wherein the peripheral edge of the grill is secured to the walls of the central opening, and wherein the first light fixture is positioned at least partially within the central opening.

3. The illumination fan as claimed in claim 1, wherein the fan part further comprises an annular housing having a through hole fixed to an inner wall of the front housing, wherein the through hole of the annular housing communicates with the central through hole of the front housing.

4. The illumination fan of claim 1, wherein the fan section further comprises an annular housing having a through hole fixed to an inner wall of the front housing, wherein the through hole of the annular housing communicates with the central through hole of the front housing, the annular housing comprises a first housing portion capable of directing a portion of the airflow formed by the first cross flow impeller to the first outlet port, a second housing portion capable of directing a portion of the airflow formed by the second cross flow impeller to the second outlet port, a third housing portion capable of directing a portion of the airflow entering from the first inlet port to the first cross flow impeller and the second cross flow impeller, and a fourth housing portion capable of directing a portion of the airflow entering from the second inlet port to the first cross flow impeller and the second cross flow impeller.

5. The illumination fan as claimed in claim 1, wherein the front case further comprises a groove forming a closed loop, a through hole is provided at a bottom of the groove, and the central through hole, the first air inlet, the second air inlet, the first air outlet, and the second air outlet are all located inside the closed loop formed by the groove; the lamp portion further includes an annular second lamp at least partially disposed in the recess.

6. The illumination fan as claimed in one of claims 1 to 5, wherein the first air inlet, the second air inlet, the first air outlet and the second air outlet are each trapezoidal in cross-sectional shape.

7. The illumination fan as claimed in one of claims 1 to 5, wherein the first air inlet, the second air inlet, the first air outlet and the second air outlet are rectangular in cross-sectional shape.

8. The illumination fan as claimed in one of claims 1 to 5, wherein the central through hole has a rectangular cross-sectional shape.

9. An illuminating fan according to any one of claims 1 to 5, wherein the central through hole has a circular cross-sectional shape.

10. The illumination fan of one of claims 1 to 5, wherein the fan portion further comprises a first grill disposed in the first air inlet, a second grill disposed in the second air inlet, a third grill disposed in the first air outlet, and a fourth grill disposed in the second air outlet.