Light mixing lens

Abstract

The utility model provides a light mixing lens which comprises a rear mold structure and a front mold structure connected to the bottom of the rear mold structure, the rear mold structure comprises a conical structure and a square plate structure which is arranged at the bottom of the conical structure and is in arc connection with the conical structure, and the front mold structure is arranged at the bottom of the square plate structure. The front mold structure is provided with a light incident surface, the center of the light incident surface is provided with a placing position for placing a light emitting source, and a plurality of CD ring structures playing a role in adjusting the point light source angle of the light emitting source are sequentially arranged on the light incident surface around the placing position. A plurality of light-in grooves which play a role in diffusing point light sources of the luminous source are further formed in the light-in surface; the light-in grooves bulge in a spherical crown shape; and the CD ring structure is surrounded by the light-in grooves.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical equipment technical field, especially relate to a mixed light lens. BACKGROUND

[0002] Lens is made of transparent material (such as glass, crystal, etc.) a kind of optical element. Convex lens: middle thick, edge thin, have double convex, flat convex, concave convex three kinds;Concave lens: middle thin, edge thick, have double concave, flat concave, convex concave three kinds. Lens plays an important role in astronomy, military, traffic, medicine, art and other fields.

[0003] The lens used in the light bar of the direct type TV at present is divided into refraction mixed light lens and reflection mixed light lens, and the reflection type mixed light lens realizes the mixed light effect by the reflection of light. This lens usually has a special reflecting surface, which can reflect light of different directions to the same area, thereby realizing mixed light. The advantages of the reflection type mixed light lens are small size and low cost. The disadvantage is that the mixed light effect is relatively poor, and the light may not be uniform

[0004] In the prior art, the bottom of the existing reflection mixed light lens is generally smooth or sandblasted, which cannot diffuse the point light source of the light source, and the existing reflection mixed light lens is generally treated with external convexity at the water gap, but the external convexity treatment will cause the heat melting and edge curling to form an upward convex sharp corner in the subsequent laser cutting process, causing mutual scratches during transportation. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing a mixed light lens, which can effectively solve the above problems in the prior art.

[0006] A mixed light lens, comprising a rear mold structure and a front mold structure connected to the bottom of the rear mold structure, the rear mold structure comprising a conical structure and a square plate structure arranged at the bottom of the conical structure and connected to the conical structure in an arc shape, the front mold structure being arranged at the bottom of the square plate structure, an incident light surface being arranged on the front mold structure, a placement position for placing a light source being arranged at the center of the incident light surface, a plurality of CD ring structures for adjusting the angle of the point light source of the light source being arranged in sequence around the placement position on the incident light surface, and a plurality of incident light grooves for diffusing the point light source of the light source being further arranged on the incident light surface, the incident light grooves being in the shape of spherical cap and surrounding the CD ring structures.

[0007] The utility model discloses a beneficial effect is: through setting up the CD ring structure that the point light source angle of light emitting source plays the adjusting effect in succession around the placement position of the light entrance surface, so that the point light source angle of light emitting source can be adjusted through the CD ring structure, through setting up the light entrance groove that the point light source of light emitting source plays the diffusion effect in the bottom of the light entrance surface, and the light entrance groove is in spherical crown shape and rises and the light entrance groove surrounds CD ring structure, so that the light entrance groove can play the effect of concave lens, and then diffuses the point light source of light emitting source, makes the light source more uniform, and then enhances the light mixing color mixing effect of light mixing lens, reduces dispersion, and can match adjustable color temperature's light source.

[0008] Further, a water gap structure for cutting is arranged at a corner of the square plate structure, and a notch is arranged in the recess at both ends of the water gap structure away from the CD ring structure, and the notch is connected with the side wall arc of the square plate structure.

[0009] Further, the height of the protrusion of the light entrance groove is lower than the thickness of the square plate structure.

[0010] Further, the light entrance surface above the placement position is conical.

[0011] Further, a light exit surface is arranged on the upper surface of the rear mold structure, and the light exit surface above the placement position is inverted conical.

[0012] Further, a plurality of column foot structures are arranged on the light entrance surface, the column foot structures are arranged around the CD ring structure, and the column foot structures are surrounded by the light entrance groove.

[0013] Further, the side of the CD ring structure away from the rear mold structure is in spherical crown shape and protrudes.

[0014] Further, the height of the protrusion of the CD ring structure is lower than the height of the column foot structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic diagram of light mixing lens in the utility model embodiment;

[0016] Fig. 2 It is the overhead schematic diagram of light mixing lens in the utility model embodiment;

[0017] Fig. 3 It is the overhead schematic diagram of light mixing lens in the utility model embodiment;

[0018] Fig. 4 It is the overhead schematic diagram of light mixing lens in the utility model embodiment;

[0019] MAIN ELEMENT SYMBOL EXPLANATION:

[0020] MAIN ELEMENT SYMBOL EXPLANATION:

[0021]

[0022] The following detailed description will further describe the present application with reference to the above mentioned drawings. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. Several embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] Referring to Figs. 1 to 4 The light mixing lens in the embodiment of the present application comprises a rear mold structure 10 and a front mold structure 11 connected to the bottom of the rear mold structure 10. The rear mold structure 10 comprises a conical structure 101 and a square plate structure 102 arranged at the bottom of the conical structure 101 and connected to the conical structure 101 in an arc shape. The front mold structure 11 is arranged at the bottom of the square plate structure 102. An incident light surface 12 is arranged on the front mold structure 11. A placement position 13 for placing a light source is arranged at the center of the incident light surface 12. A CD ring structure 14 for adjusting the angle of the point light source of the light source is arranged in sequence around the placement position 13 on the incident light surface 12. A plurality of incident light grooves 15 for diffusing the point light source of the light source are arranged on the incident light surface 12. The incident light grooves 15 are in the shape of a spherical cap and surround the CD ring structure 14.

[0027] Further, the height of the protrusion of the incident light groove 15 is lower than the thickness of the square plate structure 102.

[0028] It can be understood that, by arranging the CD ring structure 14 which adjusts the point light source angle of the light emitting source in sequence around the placement site 13 on the light inlet surface 12, the point light source angle of the light emitting source can be adjusted through the CD ring structure 14, by arranging the light inlet groove 15 which diffuses the point light source of the light emitting source on the bottom of the light inlet surface 12, and the light inlet groove 15 is in the shape of a spherical cap and surrounds the CD ring structure 14, so that the light inlet groove 15 can have the effect of a concave lens, thereby diffusing the point light source of the light emitting source, making the light source more uniform, thereby enhancing the light mixing and color mixing effect of the utility model, reducing color dispersion, and being able to be matched with a light source with adjustable color temperature.

[0029] Further, the water gap structure 16 for cutting is arranged at a corner of the quadrilateral plate structure 102, and the notch 17 is arranged in the concave of the two ends of the water gap structure 16 away from the CD ring structure 14, and the notch 17 is connected with the side wall arc of the quadrilateral plate structure 102.

[0030] It can be understood that, by arranging the water gap structure 16 at a corner of the quadrilateral plate structure 102, and arranging the notch 17 in the concave of the two ends of the water gap structure 16 away from the CD ring structure 14 and connecting the notch 17 with the side wall arc of the quadrilateral plate structure 102, the hot melt hem formed at the two ends after laser cutting can extend into the notch 17, so that the upward protruding sharp corner formed by the hot melt hem during the laser cutting process can be avoided, the sharp corner is wrapped in the notch 17, thereby the lenses are not easy to scratch each other during the vibration disc or transportation process, and the yield is improved.

[0031] Further, the light inlet surface above the placement site 13 is in a conical shape.

[0032] Further, the light outlet surface 18 is arranged on the upper surface of the rear mold structure 10, and the light outlet surface above the placement site 13 is in an inverted conical shape.

[0033] It can be understood that, by arranging the light inlet surface above the placement site 13 in a conical shape, and arranging the light outlet surface above the placement site 13 in an inverted conical shape, the diffusion angle of the light emitting source of the utility model is increased, and the light source is more uniform.

[0034] Further, the column foot structure 19 is arranged on the light inlet surface 12, the column foot structure 19 is arranged around the CD ring structure 14, and the column foot structure 19 is surrounded by the light inlet groove 15.

[0035] It can be understood that the column foot structure 19 is arranged to support the utility model and is attached to the column foot structure 19.

[0036] Further, the CD ring structure 14 is in the shape of a spherical cap on the side away from the rear mold structure 10.

[0037] It can be understood that the CD ring structure 14 is in the shape of a spherical cap on the side away from the rear mold structure 10, so that the CD ring structure 14 can have the effect of a convex lens, thereby adjusting the point light source angle of the light source.

[0038] Further, the height of the CD ring structure 14 is lower than the height of the column foot structure 19.

[0039] It can be understood that the height of the CD ring structure 14 is lower than the height of the column foot structure 19, so as to avoid wear of the CD ring structure 14.

[0040] In summary, the light mixing lens in the above embodiments of the utility model is arranged with a plurality of CD ring structures that adjust the point light source angle of the light source around the placement position of the light entrance surface, so that the point light source angle of the light source can be adjusted by the CD ring structure. The light entrance groove that diffuses the point light source of the light source is arranged at the bottom of the light entrance surface, and the light entrance groove is in the shape of a spherical cap and surrounds the CD ring structure, so that the light entrance groove can have the effect of a concave lens, thereby diffusing the point light source of the light source, making the light source more uniform, thereby enhancing the light mixing and color mixing effect of the light mixing lens, reducing color dispersion, and being able to be matched with a light source with adjustable color temperature.

[0041] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above-described embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which are within the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A light mixing lens characterized by, The application relates to a back mold structure and a front mold structure connected to the bottom of the back mold structure, wherein the back mold structure comprises a conical structure and a square plate structure arranged at the bottom of the conical structure and connected to the circular arc of the conical structure, the front mold structure is arranged at the bottom of the square plate structure, a light inlet surface is arranged on the front mold structure, a placing position for placing a light source is arranged at the center of the light inlet surface, a plurality of CD ring structures for adjusting the angle of the point light source of the light source are sequentially arranged around the placing position on the light inlet surface, a plurality of light inlet grooves for diffusing the point light source of the light source are further arranged on the light inlet surface, the light inlet grooves are spherical crown-shaped protrusions, and the light inlet grooves surround the CD ring structures.

2. The light mixing lens of claim 1, wherein, A water gap structure for cutting is arranged at one corner of the square plate structure, and notches are arranged in the two ends of the water gap structure away from the CD ring structures and recessed inward, and the notches are connected to the side wall of the square plate structure in a circular arc.

3. The light mixing lens of claim 1, wherein, The protrusion height of the light inlet grooves is lower than the thickness of the square plate structure.

4. The light mixing lens of claim 1, wherein, The light inlet surface above the placing position is conical.

5. The light mixing lens of claim 1, wherein, A light outlet surface is arranged on the upper surface of the back mold structure, and the light outlet surface above the placing position is inverted conical.

6. The light mixing lens of claim 1, wherein, A plurality of column foot structures are further arranged on the light inlet surface, the column foot structures are arranged around the CD ring structures, and the column foot structures are surrounded by the light inlet grooves.

7. The light mixing lens of claim 6, wherein, The side of the CD ring structure away from the back mold structure is spherical crown-shaped protrusion.

8. The light mixing lens of claim 7, wherein, The protrusion height of the CD ring structure is lower than the height of the column foot structure.

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