CN210662714U

CN210662714U - Side-lighting LED lens

Info

Publication number: CN210662714U
Application number: CN201921849510.0U
Authority: CN
Inventors: 周良; 姜君城
Original assignee: Zhejiang Baikang Optical Co ltd
Current assignee: Zhejiang Baikang Optical Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-02
Anticipated expiration: 2029-10-30

Abstract

The utility model provides a luminous formula LED lens of side, relates to LED lamp technical field, has solved the luminous LED ubiquitous unable effective guide light of present side and has jetted out from the light emergent face, the poor problem of luminous effect of side. The side-emitting LED lens comprises an annular LED lamp strip and a lens body comprising the annular LED lamp strip, wherein a groove is formed in the lens body, and the annular LED lamp strip is arranged in the groove. The lens body comprises a light ray emergent surface, a first reflecting surface, a second reflecting surface, a third reflecting surface and a fourth reflecting surface. The lens comprises a lens body and is characterized in that a first opening and a second opening are formed in the middle of the lens body, the first opening comprises a first outer end face and a first inner end face, and the second opening comprises a second outer end face and a second inner end face. The caliber of the first outer end surface is smaller than that of the second outer end surface, and the calibers of the first inner end surface and the second inner end surface are the same and are both smaller than the first outer end surface and the second outer end surface.

Description

Side-lighting LED lens

Technical Field

The utility model relates to a LED lamp technical field, especially a side-emitting formula LED lens.

Background

At present, the side-emitting LED generally has the problems that light cannot be effectively guided to be emitted from a light emitting surface, and the side-emitting effect is poor. Therefore, how to enhance the side-emitting effect and effectively guide the light to exit from the light exit surface is an urgent problem to be solved in the industry.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a side-emitting LED lens capable of solving the above technical problems, so as to solve the above problems.

A side-emitting LED lens comprises an annular LED lamp strip and a lens body wrapping the annular LED lamp strip, wherein the lens body comprises a light emergent surface, a first reflecting surface, a second reflecting surface, a third reflecting surface and a fourth reflecting surface which are sequentially connected, a first opening and a second opening communicated with the first opening are formed in the middle of the lens body, the first opening comprises a first outer end surface and a first inner end surface, the second opening comprises a second outer end surface and a second inner end surface communicated with the first inner end surface, the caliber of the first outer end surface is smaller than that of the second outer end surface, the calibers of the first inner end surface and the second inner end surface are the same and smaller than that of the first outer end surface and the second outer end surface, and a groove is formed in the lens body, the groove is located on one side of the first outer end face, and the annular LED lamp strip is fixed inside the groove.

Further, the lens body is of an integrally formed structure.

Further, the light emergent surface is perpendicular to the first outer end surface and the second outer end surface.

Furthermore, the angle formed by the intersection of the light ray outgoing surface and the fourth reflecting surface is 30-45 degrees.

Further, the first reflecting surface is a cambered surface which is far away from the lens body and protrudes.

Furthermore, the lens body is formed by connecting four sub-lenses in a surrounding manner, the first inner end face is connected with the second inner end face through a connecting section, and a gap of 0.3-0.5 mm is reserved between every two adjacent sub-lenses.

Further, the annular LED lamp strip comprises a plurality of uniformly distributed LED light sources.

Further, the number of the LED light sources is 30.

Compared with the prior art, the utility model provides a pair of side-emitting LED lens reflects the light that annular LED lamp area was launched through first, second, third, the fourth plane of reflection that sets up to jet out from the light emitting face, the bore of first outer terminal surface is less than the bore of the outer terminal surface of second, first inner terminal surface with the bore of terminal surface is the same and all is less than in the second outer terminal surface of first outer terminal surface and second, this kind of structure can guide light effectively and jet out from the light emitting face, has guaranteed emergent light's light intensity, and the side is luminous effectual.

Drawings

Embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of a side-emitting LED lens provided by the present invention.

3 fig. 3 2 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 the 3 line 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3

Detailed Description

The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a side-emitting LED lens according to the present invention. 3 fig. 3 2 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 the 3 line 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3 The side-emitting LED lens comprises an annular LED lamp strip 10 and a lens body 11 wrapping the annular LED lamp strip 10. The side-emitting LED lens further includes other functional modules, such as a power supply module, a mounting module, a connecting module, etc., which are well known to those skilled in the art, and thus, will not be described in detail herein.

The lens body 11 is an integrally formed structure, and the lens body 11 includes a light emitting surface 111, a first reflecting surface 112, a second reflecting surface 113, a third reflecting surface 114 and a fourth reflecting surface 115, which are connected in sequence. A first opening 116 and a second opening 117 communicating with the first opening 116 are formed in the middle of the lens body 11, the first opening 116 includes a first outer end surface 1161 and a first inner end surface 1162, and the second opening 117 includes a second outer end surface 1171 and a second inner end surface 1172 communicating with the first inner end surface 1162. The first and second

outer end surfaces

1161 and 1171 and the first and second

inner end surfaces

1162 and 1172 are arranged in parallel, and the light ray exit surface 111 is perpendicular to the first and second

outer end surfaces

1161 and 1171. The first reflecting surface 112 is a curved surface protruding away from the lens body 11. The third reflection surface 114 connects the first outer end surface 1161 and the first inner end surface 1162. The fourth reflecting surface 115 connects the second outer end surface 1171 and the second inner end surface 1172. A groove 118 is formed in the lens body 11, the groove 118 is located on one side of the first outer end surface 1161, and the annular LED strip 10 is fixed inside the groove 118. The second reflecting surface 113 is located on the same plane as the first outer end surface 1161. When the annular LED lamp strip 10 emits light, the light can be emitted from the light emitting surface 111 through the reflection of one or more of the first reflecting surface 112, the second reflecting surface 113, the third reflecting surface 114 and the fourth reflecting surface 115, and this structure enables the light to be emitted from the light emitting surface 111 with high efficiency, so as to achieve the effect of side light emission and ensure the light intensity of the emitted light. The angle formed by the intersection of the light ray outgoing surface 111 and the fourth reflecting surface 115 is 30-45 degrees, so that the reflecting effect of the light rays is improved, most of the light rays can be directly emitted from the light ray outgoing surface 111 after being reflected by the fourth reflecting surface 115, and the light intensity of the emitted light rays is ensured. The lens body 11 is formed by connecting four sub-lenses 119 in a surrounding manner, the first inner end surface 1162 and the second inner end surface 1172 are connected through a connecting section 120, and a gap 110 of 0.3-0.5 is reserved between every two adjacent sub-lenses 119. The gap 110 is used for heat dissipation of the annular LED lamp strip 10, and can effectively reduce heat dissipated by the annular LED lamp strip 10.

The annular LED strip 10 includes a plurality of LED light sources 100 uniformly distributed, and the installation angle between the LED light sources 100 and the lens body 11 may be 90 degrees, but is not limited thereto. The number of the LED light sources 100 is 30, that is, an included angle formed between two adjacent LED light sources 100 and the center of the annular LED light strip 10 is 12 degrees, so that the illumination is uniform, and the brightness of the central area of the light spot is not lost.

Compared with the prior art, the utility model provides a pair of side-emitting LED lens reflects the light that annular LED lamp area 10 launched through first, second, third, fourth plane of

reflection

112, 113, 114, 115 that set up to jet out from light outgoing face 111, first outer terminal surface 1161's bore is less than the bore of second outer terminal surface 1171, first inner terminal surface 1162 with the bore of second inner terminal surface 1172 is the same and all is less than first outer terminal surface 1161 and second outer terminal surface 1171, this kind of structure can guide light effectively and jet out from the light outgoing face, has guaranteed emergent light's light intensity, and the side is luminous effectual.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. A side-emitting LED lens, characterized in that: the side-emitting LED lens comprises an annular LED lamp strip and a lens body wrapping the annular LED lamp strip, wherein the lens body comprises a light emergent surface, a first reflecting surface, a second reflecting surface, a third reflecting surface and a fourth reflecting surface which are sequentially connected, a first opening and a second opening communicated with the first opening are formed in the middle of the lens body, the first opening comprises a first outer end surface and a first inner end surface, the second opening comprises a second outer end surface and a second inner end surface communicated with the first inner end surface, the caliber of the first outer end surface is smaller than that of the second outer end surface, the calibers of the first inner end surface and the second inner end surface are the same and smaller than that of the first outer end surface and the second outer end surface, a groove is formed in the lens body, and is located on one side of the first outer end surface, the annular LED lamp strip is fixed in the groove.

2. The side-emitting LED lens of claim 1, wherein: the lens body is of an integrally formed structure.

3. The side-emitting LED lens of claim 1, wherein: the light ray emergent surface is perpendicular to the first outer end surface and the second outer end surface.

4. The side-emitting LED lens of claim 1, wherein: the angle formed by the intersection of the light ray outgoing surface and the fourth reflecting surface is 30-45 degrees.

5. The side-emitting LED lens of claim 1, wherein: the first reflecting surface is a cambered surface far away from the lens body in a protruding mode.

6. The side-emitting LED lens of claim 1, wherein: the lens body is formed by connecting four sub-lenses in a surrounding mode, the first inner end face is connected with the second inner end face through the connecting section, and a gap of 0.3-0.5 mm is reserved between every two adjacent sub-lenses.

7. The side-emitting LED lens of claim 1, wherein: the annular LED lamp strip comprises a plurality of uniformly distributed LED light sources.

8. The side-emitting LED lens of claim 7, wherein: the number of the LED light sources is 30.