CN215174831U

CN215174831U - COB hard optical plastic part

Info

Publication number: CN215174831U
Application number: CN202121269751.5U
Authority: CN
Inventors: 陈维标
Original assignee: Tehao Photoelectric Technology Co ltd
Current assignee: Tehao Photoelectric Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-14
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a COB hard optical plastic part, which comprises a COB lens, a base cover and a base; the COB lens comprises a lens body, a light source groove arranged at the bottom of the lens body, a first incident surface, a second incident surface arranged on the side surface of the light source groove, a first positioning clamping tenon, a first light reflecting surface, a first light emitting surface and a second light emitting surface, wherein the first light emitting surface and the second light emitting surface are arranged at the top of the lens body; the first light-emitting surface is composed of a plurality of circular bump arrays, and the first light-reflecting surface is composed of a plurality of light-reflecting sheets which are arranged in a spherical protrusion manner; the reflector is matched with the first reflecting surface and the second incident surface to reduce the included angle between the lateral light source and the central light source, and the synergistic effect of the first light-emitting surface, the first incident surface and the second reflecting surface is also utilized to improve the brightness of the central light and reduce and avoid the glare.

Description

COB hard optical plastic part

Technical Field

The utility model relates to a piece is moulded to COB hard light optics.

Background

The COB light source has the advantages of high color rendering, high luminous efficiency, low thermal resistance, no light spot, energy conservation, environmental protection and the like, and in the fields of commercial lighting, exhibition hall lighting and the like with higher requirements on lighting effects such as light spots, light colors, illumination and the like, the COB light source is generally adopted as a light source of a lamp to be subjected to secondary optical design so as to meet the lighting requirements, but the conventional COB light source lamp easily generates glare, so that the central light is low in brightness, the light leakage is serious, and the light energy is wasted.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a COB hard optical plastic part with the functions of improving the central light brightness, avoiding the glare and improving the light energy utilization rate.

In order to solve the technical problem, the technical scheme of the utility model is that: a COB hard optical plastic part comprises a COB lens, a base cover and a base, wherein the base cover is arranged at the lower end of the COB lens and is in clamping fit with the COB lens, and the base is arranged at the bottom of the base cover and is in clamping fit with the base cover; the COB lens comprises a lens body, a light source groove, a first incidence surface, a second incidence surface, a first positioning clamping tenon, a first reflecting surface, a first light-emitting surface and a second light-emitting surface, wherein the light source groove is formed in the bottom of the lens body and used for mounting a COB light source; the first light-emitting surface is formed by a plurality of circular convex point arrays, the first light-reflecting surface is formed by a plurality of light-reflecting sheets which are arranged in a convex mode and are spherical surfaces, and the light control effect of the first light-reflecting surface is adjusted along with different vertical included angles in adjacent light-reflecting sheets.

Preferably, the top of base cover is provided with first positioning groove and first buckle, for equidistant setting between first positioning groove and the first buckle, the side bottom symmetry of base cover is provided with the second falcon that clamps.

Preferably, the upper end symmetry of base is provided with the butt joint combination, the butt joint combination includes the chimb, sets up butt joint groove and scarf joint groove on the chimb, the one end and the scarf joint groove intercommunication in butt joint groove, the other end in butt joint groove is the inclined plane setting.

Preferably, a second positioning tenon and a clamping groove are arranged at the top of the COB lens at intervals.

Preferably, the vertical included angle between the reflective sheets is 160-185 degrees.

Preferably, a light splitting plane is arranged between the first light emitting plane and the second light emitting plane.

Preferably, a side surface of the first incident surface is provided with a third incident surface, and a side surface of the third incident surface is provided with a second reflecting surface.

Preferably, the first incident surface is provided as a spherical protrusion.

The utility model discloses technical effect mainly embodies: the reflector is matched with the first reflecting surface and the second incident surface to reduce the included angle between the lateral light source and the central light source, and the synergistic effect of the first light-emitting surface, the first incident surface and the second reflecting surface is also utilized to improve the brightness of the central light and reduce and avoid the glare.

Drawings

Fig. 1 is a structural diagram of a COB hard optical plastic part of the present invention;

FIG. 2 is a block diagram of the base housing of FIG. 1;

FIG. 3 is a block diagram of the base of FIG. 1;

fig. 4 is a structural view of the COB lens of fig. 1;

fig. 5 is a bottom structure view of the COB lens of fig. 4;

FIG. 6 is a sectional view of a COB lens according to the first embodiment;

FIG. 7 is a schematic view illustrating light control of a COB lens according to an embodiment;

FIG. 8 is a sectional view of a COB lens according to a second embodiment;

fig. 9 is a sectional view of a COB lens of example three.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.

Example one

A COB hard optical plastic part, as shown in FIG. 1, comprises a COB lens 1, a base cover 2 disposed at the lower end of the COB lens 1 and engaged with the COB lens 1, and a base 3 disposed at the bottom of the base cover 2 and engaged with the base cover 2.

As shown in fig. 2, a first positioning groove 21 and a first buckle 22 are arranged at the top of the base cover 2, the first positioning groove 21 and the first buckle 22 are arranged at equal intervals, the first positioning groove 21 is used for being matched with a second positioning clamping tenon 19, the first buckle 22 is used for being matched with a clamping groove 101 to clamp and fix the COB lens 1, and a second clamping tenon 23 is symmetrically arranged at the bottom of the side surface of the base cover 2.

As shown in fig. 3, the upper end of the base 3 is symmetrically provided with a docking assembly 31, the docking assembly 31 includes a convex edge 311, a docking groove 312 and an engagement groove 313 provided on the convex edge 311, one end of the docking groove 312 is communicated with the engagement groove 313, and the other end of the docking groove 312 is provided with an inclined plane, so that when the base cover 2 is installed, the second clamping falcon 23 is docked in the docking groove 312 and then turned into the engagement groove 313, thereby realizing the quick assembly and disassembly of the base 3 and the base cover 2.

As shown in fig. 4 to 7, the COB lens 1 includes a lens body 11, a light source groove 12 disposed at the bottom of the lens body 11 and used for mounting a COB light source, a first incident surface 13 disposed at the upper end of the light source groove 12, a second incident surface 14 disposed at the side of the light source groove 12, a first positioning clamping tenon 15 disposed at the bottom of the light source groove 12, a first reflective surface 16 disposed at the side of the lens body 11, and a first light emitting surface 17 and a second light emitting surface 18 disposed at the top of the lens body 11; the first light-emitting surface 17 is formed by a plurality of circular salient points 171 in an array, when light is ready to be emitted out of the first light-emitting surface 17 from the inside of the first light-emitting surface 17, the light is divided into a plurality of strands by the circular salient points 171, and then the light is focused when passing through the circular salient points 171, so that the light is focused and then diffused after being emitted, light mixing is realized, and glare can be avoided; the vertical included angle between the light reflecting sheets 161 is 160-185 degrees, the light reflecting sheets 161 are used for splitting lateral light rays and enabling the light rays to be totally emitted, so that the angle between the lateral light rays and the central direct light rays is reduced, the brightness of the central direct light rays is improved, and glare can be avoided; a second positioning clamping falcon 19 and a clamping groove 101 are arranged at the top of the COB lens 1 at intervals; a light splitting surface 171 is arranged between the first light emitting surface 17 and the second light emitting surface 18 and is used for separating and adjusting stray light and improving the central brightness; the side surface of the first incident surface 13 is provided with a third incident surface 131, the side surface of the third incident surface 131 is provided with a second reflecting surface 132, and the third incident surface 131 and the second reflecting surface 132 are used in cooperation for refracting and totally reflecting light rays with a larger angle in central light rays, so that the central light rays are guided, the brightness of the central light rays is improved, and the waste of light energy is avoided.

Example two

Compared with the first embodiment, the arrangement of the light splitting surface 171 and the second light emitting surface 18 in the present embodiment is different; as shown in fig. 8, the second light emitting surface 18 is in a horn shape, so that the inclination angle of the second light emitting surface 18 is increased, and the second light emitting surface 18 is directly connected to the first light emitting surface 17, so that the lateral light beams are converged in advance after being emitted through the second light emitting surface 18, thereby increasing the light spots and making the light spots more uniform.

EXAMPLE III

Compared with the first embodiment, the arrangement of the light reflecting sheet 161, the first light emitting surface 17, the second light emitting surface 18 and the light splitting surface 171 in the present embodiment is different; as shown in fig. 9, the second light emitting surface 18 is a plane, the vertical included angle between the reflective sheets 161 is 160 °, and the matching between the second light emitting surface 18 and the reflective sheets 161 is utilized to improve the light condensing capability of the lateral light and reduce the thickness of the lens body 11, and the first light emitting surface 17 is a plane and is utilized to improve the uniformity of light spots.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A COB hard optical plastic part comprises a COB lens, a base cover and a base, wherein the base cover is arranged at the lower end of the COB lens and is in clamping fit with the COB lens, and the base is arranged at the bottom of the base cover and is in clamping fit with the base cover; the COB lens comprises a lens body, a light source groove, a first incidence surface, a second incidence surface, a first positioning clamping tenon, a first reflecting surface, a first light-emitting surface and a second light-emitting surface, wherein the light source groove is formed in the bottom of the lens body and used for mounting a COB light source; the method is characterized in that: the first light-emitting surface is formed by a plurality of circular convex point arrays, the first light-reflecting surface is formed by a plurality of light-reflecting sheets which are arranged in a convex mode and are spherical surfaces, and the light control effect of the first light-reflecting surface is adjusted along with different vertical included angles in adjacent light-reflecting sheets.

2. The COB hard optical molding of claim 1, characterized in that: the top of base cover is provided with first positioning groove and first buckle, be equidistant setting between first positioning groove and the first buckle, the side bottom symmetry of base cover is provided with the second and clamps the falcon.

3. The COB hard optical molding of claim 1, characterized in that: the upper end symmetry of base is provided with the butt joint combination, the butt joint combination includes the chimb, sets up butt joint groove and scarf joint groove on the chimb, the one end and the scarf joint groove intercommunication in butt joint groove, the other end in butt joint groove is the inclined plane setting.

4. The COB hard optical molding of claim 1, characterized in that: the top interval of COB lens is provided with the second location falcon and blocks the card groove.

5. The COB hard optical molding of claim 1, characterized in that: the vertical included angle between the light reflecting sheets is 160-175 degrees.

6. The COB hard optical molding of claim 1, characterized in that: a light splitting surface is arranged between the first light emitting surface and the second light emitting surface.

7. The COB hard optical molding of claim 1, characterized in that: and a third incident surface is arranged on the side surface of the first incident surface, and a second reflecting surface is arranged on the side surface of the third incident surface.

8. The COB hard optical molding of claim 1, characterized in that: the first incidence surface is arranged in a spherical bulge mode.