CN217816551U

CN217816551U - Illumination structure of down lamp

Info

Publication number: CN217816551U
Application number: CN202221958913.0U
Authority: CN
Inventors: 罗福; 姜卫民
Original assignee: Suzhou Radiant Lighting Technology Co ltd
Current assignee: Suzhou Radiant Lighting Technology Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-15
Anticipated expiration: 2032-07-27

Abstract

The invention discloses an illumination structure of a down lamp, which belongs to the technical field of down lamp illumination. This application has the different refracting surface focal lengths of refracting lens, and drive assembly drive refracting lens rotates for the light source shines the refracting lens of different focuses, thereby changes the illumination zone, and easy operation has improved the effect of the convenience of using.

Description

Illumination structure of down lamp

Technical Field

The invention relates to the technical field of down lamp illumination, in particular to an illumination structure of a down lamp.

Background

In daily use, different requirements are required for the irradiation range of the down lamp due to different use scenes. For example, when working alone at night, a smaller lighting area is needed in order not to affect the rest of people around; when the LED lamp is used for illuminating rooms, a large illumination range needs to be obtained, and the rooms and the like need to be conveniently illuminated. But the common down lamp is difficult to realize the functions.

The current way of adjusting the illumination range is: change the lens in the down lamp, install the lens of different focuses on the down lamp again to change the focus of lens in the down lamp, reach the effect of adjusting illumination zone.

In the process of implementing the present application, the inventors found that the above-mentioned technology has at least the following problems: the illumination range is very inconvenient to change through the mode of changing the lens in the down lamp.

Disclosure of Invention

In order to solve the problem that the mode through the lens in the change down lamp changes the illumination zone very inconvenient, this application provides a lighting structure of down lamp.

The application provides a lighting structure of down lamp adopts following technical scheme:

the utility model provides an illumination structure of down lamp, includes down lamp shell and the light source of setting in the down lamp shell, down lamp shell internal rotation is connected with the refraction lens, the light source sets up towards the refraction lens, still be provided with drive assembly in the down lamp shell, drive assembly is used for driving the refraction lens and rotates.

Through adopting above-mentioned technical scheme, the different refracting surface focal lengths of refracting lens are different, and drive assembly drive refracting lens rotates for the light source shines the refracting lens of different focal lengths, thereby changes the illumination zone, and easy operation has improved the convenience of use.

In a specific embodiment, the refractive lens is provided with a plurality of refractive surfaces of different structures.

Through adopting above-mentioned technical scheme, set for the refracting surface of different focuses, adjust the refracting surface that the light source shines according to the demand to change the illumination zone.

In a specific embodiment, the refractive lens includes a first refractive surface and a second refractive surface, the first refractive surface is a convex lens, and the second refractive surface is a plane mirror.

By adopting the technical scheme, when large-area illumination is needed, the first refraction surface is arranged opposite to the light source, so that the illumination area of the light source is enlarged; when small-area illumination is required, the second refraction surface is arranged opposite to the light source, so that the irradiation area of the light source is reduced.

In a specific possible implementation scheme, a mounting cup is arranged in the down lamp shell, the light source is arranged on the inner bottom wall of the mounting cup, and the refraction lens is rotatably arranged on the side wall of the mounting cup.

Through adopting above-mentioned technical scheme, fix light source and refraction lens to irradiant stability has been increased.

In a specific implementation scheme, a light homogenizing cover is fixedly arranged at the opening of the mounting cup.

Through adopting above-mentioned technical scheme, set up even light cover for the light that the down lamp jetted out is more even, has improved the practicality of down lamp.

In a specific embodiment, the opening of the mounting cup, where the light homogenizing cap is provided, has a diameter which is greater than the inner diameter of the refractive lens provided in the mounting cup.

By adopting the technical scheme, the diameter of the opening at the light homogenizing cover is larger than the inner diameter of the refraction lens arranged in the mounting cup, so that the irradiated light is not easily blocked by the mounting cup when the irradiation area is enlarged.

In a specific can embodiment, the transmission assembly includes driven gear and rack, the last fixed connecting rod that is equipped with of refractor, the connecting rod passes the lateral wall setting of installation cup, driven gear locate the installation cup outside and with connecting rod fixed connection, be equipped with the tray on the inside wall of down lamp shell, the rack slides and sets up on the tray, the rack sets up with driven gear meshing.

Through adopting above-mentioned technical scheme, thereby remove rack drive driven gear and rotate, driven gear rotates and then drives the refraction lens and rotates to change the refracting surface of the refraction lens that the light source shines, change and shine the area, improved the convenience of use.

In a specific possible embodiment, a push sheet is fixedly arranged on one side of the rack far away from the driven gear.

Through adopting above-mentioned technical scheme, promote the push jack and can drive driven gear and rotate, and then change the refracting surface of the refraction lens that the light source shines for the area that shines changes, and it is more convenient to use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. different refracting surface focal lengths of the refracting lenses are different, and the transmission assembly drives the refracting lenses to rotate, so that the light source irradiates the refracting lenses with different focal lengths, the illumination range is changed, the operation is simple, and the use convenience is improved.

2. Set up even light cover for the light that the down lamp jetted out is more even, has improved the practicality of down lamp.

3. Thereby remove rack drive driven gear and rotate, driven gear rotates and then drives the refraction lens and rotates to change the refracting surface of the refraction lens that the light source shines, change the irradiation area, improved the convenience of using.

Drawings

Fig. 1 is an overall structure schematic diagram of an illumination structure of a down lamp in the embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure view of an illumination structure of a downlight in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a refractive lens in other embodiments of the present application.

Description of the reference numerals:

1. a down lamp housing; 2. a light source; 3. a refractive lens; 4. a transmission assembly; 41. a driven gear; 42. a rack; 5. a convex lens; 6. a plane mirror; 7. mounting a cup; 8. uniformly mixing a light cover; 9. a connecting rod; 10. a support block; 11. and (7) pushing the sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1 and 2, a lighting structure of down lamp includes down lamp shell 1 and sets up at the inside light source 2 of down lamp shell 1, is equipped with refraction lens 3 in the down lamp shell 1, and light source 2 sets up towards refraction lens 3. Still be provided with drive assembly 4 in the down lamp shell 1, refraction lens 3 rotates and sets up in down lamp shell 1, and drive assembly 4 is used for driving refraction lens 3 and rotates. There are two refracting surfaces at least in the refracting lens 3, and the refracting surface that 2 shines of light source is changed through drive assembly 4 to the focus difference of refracting lens 3 in this application, need not to change the lens of down lamp, can change the size of the illumination zone of reality, has improved the convenience of using.

Referring to fig. 1 and 2, a mounting cup 7 is fixedly arranged in the down lamp housing 1, and an opening of the mounting cup 7 is arranged towards a light emitting head of the down lamp. The light source 2 is fixedly arranged on the inner bottom wall of the mounting cup 7, and the refraction lens 3 is rotatably arranged on the side wall of the mounting cup 7. Specifically, a connecting rod 9 is fixedly arranged on the refractive lens 3, and the connecting rod 9 penetrates through the side wall of the mounting cup 7 to be rotatably arranged.

Referring to fig. 1 and 2, the transmission assembly 4 includes a driven gear 41 and a rack 42, the driven gear 41 is disposed outside the mounting cup 7, and the connecting rod 9 is disposed through the driven gear 41 and fixedly connected to the driven gear 41. The inner side wall of the down lamp shell 1 is fixedly provided with a support block 10, a rack 42 is arranged on the support block 10 in a sliding mode, the rack 42 is meshed with the driven gear 41, and one side, far away from the driven gear 41, of the rack 42 is fixedly provided with a push sheet 11.

In implementation, when the illumination range of the down lamp needs to be adjusted, the push piece 11 can be pushed to enable the refraction lens 3 to rotate, so that the refraction surface of the refraction lens 3 irradiated by the light source 2 is changed, and the irradiation area is changed.

Referring to fig. 1, a light homogenizing cover 8 is fixedly arranged at an opening of the mounting cup 7, and the diameter of the opening of the mounting cup 7 where the light homogenizing cover 8 is arranged is larger than the inner diameter of the refraction lens 3 arranged in the mounting cup 7. The arrangement of the light homogenizing cover 8 enables the light rays emitted by the down lamp to be more uniform, and the opening diameter of the light homogenizing cover 8 is larger than the inner diameter of the refraction lens 3 arranged in the mounting cup 7, so that the emitted light rays are not easily blocked by the mounting cup 7 when the irradiation area is enlarged.

Wherein, be equipped with the refracting surface of a plurality of different structures on the refracting lens 3, through setting for the refracting surface of a plurality of different structures for there are a plurality of focuses in refracting lens 3. In practical use, the focal length of the refractive lens 3 illuminated by the light source 2 can be changed according to the requirement of the illumination range.

In the embodiment of the present application, referring to fig. 1 and 2, the refractive lens 3 includes a first refractive surface and a second refractive surface, the first refractive surface is a convex lens 5, and the second refractive surface is a flat mirror 6. According to the principle of refraction of light, when large-area illumination is required, the first refraction surface is arranged opposite to the light source 2, so that the irradiation area of the light source 2 is enlarged; when small-area illumination is required, the second refraction surface is disposed opposite to the light source 2, thereby reducing the irradiation area of the light source 2.

In other embodiments, referring to fig. 3, the refractive lens 3 may have two or more refractive surfaces of different focal lengths. In example 1, the two refracting surfaces of the refractive lens 3 are convex lenses 5 with different focal lengths. When the light source 2 irradiates the convex lens 5 with a larger focal length, the refraction angle of light is increased firstly and then reduced, and an illumination range is generated; when the light source 2 irradiates the convex lens 5 with a smaller focal length, the refraction angle of light is increased and then decreased to generate another illumination range. Due to the different focal lengths, the two illumination ranges produced are also different. The above effects can be achieved in both cases 2 and 3 by using the refractive lens 3 having different lens compositions. In example 4, the number of illumination ranges that can be illuminated by the downlight constituted by the refractors 3 is increased by increasing the refracting surfaces of the refractors 3.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an illumination structure of down lamp, includes down lamp shell (1) and sets up light source (2) in down lamp shell (1), its characterized in that: the down lamp is characterized in that a refraction lens (3) is connected to the inner rotation of the down lamp shell (1), the light source (2) is arranged towards the refraction lens (3), a transmission assembly (4) is further arranged in the down lamp shell (1), and the transmission assembly (4) is used for driving the refraction lens (3) to rotate.

2. A lighting structure of a downlight according to claim 1, characterized in that: the refraction lens (3) is provided with a plurality of refraction surfaces with different structures.

3. A lighting structure of a downlight according to claim 1, characterized in that: the refraction lens (3) comprises a first refraction surface and a second refraction surface, the first refraction surface is a convex lens (5), and the second refraction surface is a plane mirror (6).

4. A lighting structure of a downlight according to claim 1, characterized in that: be equipped with installation cup (7) in down lamp shell (1), light source (2) set up on the interior diapire of installation cup (7), refraction lens (3) rotate and set up on the lateral wall of installation cup (7).

5. A lighting structure of a downlight according to claim 4, wherein: a light homogenizing cover (8) is fixedly arranged at the opening of the mounting cup (7).

6. A lighting structure of a downlight according to claim 5, characterized in that: the diameter of an opening at the position where the light homogenizing cover (8) is arranged on the mounting cup (7) is larger than the inner diameter of the refraction lens (3) arranged in the mounting cup (7).

7. A lighting structure of a downlight according to claim 1, characterized in that: drive assembly (4) include driven gear (41) and rack (42), the fixed connecting rod (9) that is equipped with on refraction lens (3), the lateral wall setting that installation cup (7) were passed in connecting rod (9), driven gear (41) are located installation cup (7) outer and with connecting rod (9) fixed connection, be equipped with tray (10) on the inside wall of down lamp shell (1), rack (42) slide to set up on tray (10), rack (42) set up with driven gear (41) meshing.

8. A lighting structure of a downlight according to claim 7, wherein: and a push sheet (11) is fixedly arranged on one side of the rack (42) far away from the driven gear (41).