CN115628427A - Integrated lens and lamp - Google Patents

Abstract

The invention relates to the technical field of lighting equipment, in particular to an integrated lens and a lamp; the lamp comprises an integrated lens, the integrated lens comprises a body part and a reflecting part, a Fresnel array is arranged on the light incident side of the body part, and the reflecting part and the body part are integrally formed. The integrated lens used by the lamp is integrally formed, the body part and the reflecting part do not need to be separately produced, and the body part and the reflecting part do not need to be additionally assembled, so that the production and assembly efficiency of the lamp is improved.

Description

Integrated lens and light fixture

technical field

The invention relates to the technical field of lighting equipment, in particular to an integrated lens and a lamp.

Background technique

Incandescent lamps, LED lamps, etc. are commonly used lighting equipment; among them, LED lamps use light-emitting diodes as light sources, which have the advantages of energy saving, environmental protection, and long service life, and are more and more widely used in various scenarios. Initially, LED light sources are mostly Lambertian light sources. In order to achieve better light utilization effects, lenses are usually used for secondary light distribution to make more effective use of light.

The lens used in the related art is usually a TIR (Total Internal Reflection, total internal reflection) structure, which adopts a total reflection structure to converge the light and redistribute the light; moreover, the lens and the anti-glare opaque reflective cup are usually Use together to further optimize light.

However, in the related art, the lens and the reflector need to be produced separately, and the two need to be assembled together, which is not conducive to improving the production and assembly efficiency of the lamp.

Contents of the invention

The purpose of the present invention is to provide an integrated lens and lamp, which does not require separate production of the main body and the reflective part, and does not require additional assembly of the main body and the reflective part, which is conducive to improving the production and assembly efficiency of the lamp.

Embodiments of the present invention are achieved like this:

In a first aspect, the present invention provides an integrated lens, comprising:

The main body, the light-incident side of the main body is provided with a Fresnel array; and,

The reflective part, the reflective part is integrally formed with the main body.

In an optional embodiment, the reflective part is made of a light-transmitting material, and the sidewall of the reflective part is provided with a first groove for total reflection of light.

In an optional embodiment, the sidewall of the reflective part is provided with a plurality of first grooves, and the plurality of first grooves are radially distributed around the axis of the reflective part.

In an optional embodiment, the first groove includes a first groove wall and a second groove wall connected at an angle.

In an optional embodiment, the included angle between the first groove wall and the second groove wall is 90°-120°.

In an optional embodiment, the Fresnel array includes at least two total reflection blocks, both of which are used to totally reflect the light incident on the light incident side to the light exit side of the main body, and the at least two total reflection blocks Concentric distribution.

In an optional embodiment, the Fresnel array includes at least two total reflection members, the total reflection member includes a first wall and a second wall connected at an angle, and the second wall is provided with a second recess for total reflection of light. Slot; at least two total reflection pieces are concentrically distributed, and the second wall of one total reflection piece is connected to the first wall of the other adjacent total reflection piece.

In an optional embodiment, the second wall is provided with a plurality of second grooves, and the plurality of second grooves are radially distributed around the axis of the reflective portion.

In an optional embodiment, the second groove includes a third groove wall and a fourth groove wall connected at an angle, and the angle between the third groove wall and the fourth groove wall is 80°-140°.

In a second aspect, the present invention provides a lamp, comprising the integrated lens of any one of the foregoing embodiments.

The beneficial effects of the integrated lens of the embodiment of the present invention include: the integrated lens provided by the embodiment of the present invention includes a main body and a light reflection part, and a Fresnel array is arranged on the light incident side of the main body; the light reflection part and the main body are integrally formed. The Fresnel array set on the light-incident side of the main body can redistribute the incident light to optimize the light, and the reflective part and the main part are integrally formed, so there is no need to separately produce the main part and the reflective part, and no additional The assembly of the body part and the reflective part is conducive to improving the production and assembly efficiency of lamps and lanterns.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of an integrated lens in a first viewing angle in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an integrated lens in a second viewing angle in an embodiment of the present invention;

Fig. 3 is the sectional view of A-A direction in Fig. 2;

Fig. 4 is a schematic structural diagram of an integrated lens in a third viewing angle in an embodiment of the present invention;

Fig. 5 is a light reflection path diagram of the first groove in the embodiment of the present invention;

Fig. 6 is a schematic structural view of the body part in a first viewing angle in other embodiments of the present invention;

Fig. 7 is the sectional view of B-B direction in Fig. 6;

Fig. 8 is a schematic structural view of the main body in a second viewing angle in another embodiment of the present invention.

Icon: 010-integrated lens; 100-main body; 110-Fresnel array; 111-total reflection block; 112-lens block; 113-total reflection; 114-first wall; 115-second wall; 120 - the first groove; 121 - the first groove wall; 122 - the second groove wall; 130 - the second groove; 131 - the third groove wall; 132 - the fourth groove wall; 200 - the reflective part.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer" and so on is based on the orientation or positional relationship shown in the drawings, or the conventionally placed position when the product of the invention is used. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The lamps provided by the related technology, especially the lamps using LED lamp beads as the light source, usually need to be configured with a lens to converge the light and redistribute the light; moreover, the lens and the reflector cup can also be used together to further optimize the light.

However, the reflectors and lenses in the related art are all produced separately and reassembled, which is not conducive to improving the production and assembly efficiency of lamps.

The present invention provides an integrated lens, which can integrate the body part and the reflective part into one body, thereby eliminating the need for separate production of the body part and the reflective part, and the need for additional assembly of the body part and the reflective part, thereby facilitating the improvement of the production of lamps and assembly efficiency.

Fig. 1 is a schematic structural view of an integrated lens in an embodiment of the present invention at a first viewing angle; Fig. 2 is a schematic structural view of an integrated lens in an embodiment of the present invention at a second viewing angle; Fig. 3 is a cross-sectional view in the direction of A-A in Fig. 2 .

1-3, the present embodiment provides an integrated lens 010, which includes a body part 100 and a reflective part 200; the light incident side of the body part 100 is provided with a Fresnel array 110; One-piece molding, including but not limited to one-piece injection molding. The Fresnel array 110 provided on the light-incident side of the main body 100 can redistribute the incident light to optimize the light, and the reflective part 200 and the main body 100 are integrally formed, so there is no need to separately produce the main body 100 and the reflective part 200, and does not require additional assembly of the main body part 100 and the reflective part 200, which is conducive to improving the production and assembly efficiency of the lamp.

It should be noted that the integral molding of the reflective part 200 and the main body part 100 does not require an additional assembly of the reflective part 200 and the main body part 100 , and furthermore, parts used for assembling the two parts can be saved, thereby achieving the goal of saving costs.

Furthermore, the reflective part 200 is made of light-transmitting materials, and it is no longer necessary to plate a reflective layer on the reflective part 200; FIG. 4 is a schematic structural view of the integrated lens in the embodiment of the present invention under a third viewing angle. Please refer to FIG. 4 for the figure. In order to ensure that the reflective part 200 can still reflect light reliably, the sidewall of the reflective part 200 is provided with a first groove 120 for total reflection of light.

Further, please refer to FIG. 2 , FIG. 4 and FIG. 5 , the first groove 120 is arranged on the outer side wall of the reflective part 200; the first groove 120 includes a first groove wall 121 and a second groove wall connected at an angle 122, so that the first groove 120 is a "V"-shaped groove in section. In this way, the first groove wall 121 and the second groove wall 122 can be used to perform a total reflection respectively, thereby ensuring that the light can finally be photographed on the light-emitting side of the integrated lens 010, thereby ensuring a good light distribution effect and achieving the goal of optimizing light. Purpose.

The included angle of the first groove wall 121 and the second groove wall 122 can be set as required; in a preferred embodiment, the angle α of the first groove wall 121 and the second groove wall 122 is 90°-120° °, for example: 90°, 95°, 100°, 110°, 120°, etc.

The sidewall of the reflective portion 200 is provided with a plurality of first grooves 120 , and the plurality of first grooves 120 are radially distributed around the axis of the reflective portion 200 . With such an arrangement, the redistribution of light can be realized evenly and stably, and an excellent light output effect can be achieved.

It should be noted that providing the reflective groove structure on the reflective part 200 can also reduce the weight of the reflective part 200 , and further reduce the overall weight of the integrated lens 010 .

Please refer to Fig. 3 and Fig. 4, the main body portion 100 also includes a lens block 112, and the Fresnel array 110 includes at least two total reflection blocks 111, and the total reflection blocks 111 are used to totally reflect the light incident on the light incident side to the main body The light emitting side of the part 100, and at least two total reflection blocks 111 are distributed concentrically on the outer periphery of the lens block 112, and the lens block 112 and the at least two total reflection blocks 111 are sequentially connected from the inside to the outside. The plurality of total reflection blocks 111 can reliably and totally reflect the light emitted by the light source to the outer edge of the integrated lens 010 to the light output side of the integrated lens 010 , thereby ensuring a good light output effect.

Further, the total reflection block 111 is a solid protrusion with a tooth-shaped cross section, and the lens block 112 and at least two total reflection blocks 111 are integrally formed; thus, good light distribution can be ensured even for the production of the integrated lens 010 Effect.

Furthermore, the total reflection block 111 has a light incident surface facing the lens block 112 and a total reflection surface away from the lens block 112. After total reflection on the surface, the light is emitted from the light-emitting side of the main body 100 .

The specific number of total reflection blocks 111 can be set as required; the number of total reflection blocks 111 in this embodiment is three; in other embodiments, the number of total reflection blocks 111 is one, two, four, etc., here Not specifically limited.

Optionally, the light incident surface and the light exit surface of the lens block 112 can be set as required, for example: the light incident surface and the light exit surface of the lens block 112 can be convex or concave, or the light incident surface and the light exit surface of the lens block 112 One of the two surfaces is a plane, and the other is a convex or concave surface, or the incident surface of the lens block 112 is a concave-convex surface, etc., which are not specifically limited here.

It should be noted that, please refer to FIG. 3 , when the integrated lens 010 of the present invention is in use, the propagation path of most of the light irradiated by the light source to the light-incident side is totally reflected by a plurality of total reflection blocks 111 of the main body 100, and the remaining The stray light part below can be totally reflected by the reflective part 200 provided with the first groove 120; in this way, while ensuring sufficient light brightness, the first groove 120 provided on the reflective part 200 can be used to improve direct sight The problem on the back of the reflective part 200 plays a certain role of shielding from looking directly at the light source, that is, preventing the user from looking directly at the light source and improving comfort.

Fig. 6 is a schematic structural view of the body part in a first viewing angle in another embodiment of the present invention; Fig. 7 is a cross-sectional view along the direction B-B in Fig. 6 .

Please refer to FIG. 6 and FIG. 7; in other embodiments, the Fresnel array 110 includes at least two total reflection members 113, and the total reflection member 113 includes a first wall 114 and a second wall 115 connected at an angle; at least two A total reflection member 113 is concentrically distributed on the periphery of the lens block 112, the lens block 112 and at least two total reflection members 113 are sequentially connected from inside to outside, and the second wall 115 of one of the total reflection members 113 is connected to the adjacent The first wall 114 of another total reflection member 113 is connected. In this way, the total reflection member 113 of the integrated lens 010 is a thin-walled member, so that the main body 100 is in the shape of a thin-walled lens. Compared with the total reflection block 111 , the weight of the integrated lens 010 can be greatly reduced.

Fig. 8 is a schematic structural view of the main body in a second viewing angle in another embodiment of the present invention.

Please refer to Fig. 6 and Fig. 8; In order to ensure that the thin-walled lens-shaped body portion 100 has excellent total reflection; the second wall 115 of the total reflection member 113 is provided with a second groove 130 for total reflection light; the second The setting of the groove 130 makes the body part 100 which is hollowed out and thin-walled meet the condition of total reflection, that is, the second wall 115 is used as a total reflection surface to fully reflect the light, that is, the light can pass through the groove of the second groove 130 The wall is totally reflected, and finally emits from the light-emitting side, thereby ensuring a good light distribution effect and ensuring excellent light-emitting brightness and effect.

Further, the second groove 130 is arranged on the side of the second wall 115 of each total reflection member 113 away from the corresponding first wall 114; the second groove 130 includes a third groove wall 131 and a second groove wall connected at an angle. Four groove walls 132 . Such setting makes the second groove 130 in a "V" shape, and the light can be totally reflected once on the third groove wall 131 and the fourth groove wall 132 of the second groove 130, so that the light can finally be emitted from the light-emitting side , to achieve the purpose of excellent light optimization.

The included angle between the third groove wall 131 and the fourth groove wall 132 can be set as required; in some embodiments, the angle β between the third groove wall 131 and the fourth groove wall 132 is 80°-140°, For example: 80°, 90°, 100°, 110°, 120°, 130°, 140°, etc.

Optionally, the second wall is provided with a plurality of second grooves 130 , and the plurality of second grooves 130 are radially distributed around the axis of the reflective portion 200 .

This embodiment also provides a lamp, which may refer to a table lamp, a chandelier, a downlight, etc. The lamp includes a housing, a lamp board with lamp beads and an integrated lens 010, and the lamp board and the integrated lens 010 are both arranged in the housing. The lamp beads are relatively distributed on the incident side of the integrated lens 010, so that the light emitted by the lamp beads can be totally reflected and emitted by the integrated lens 010.

To sum up, the integrated lens 010 of the present invention can be used in various lamps, and the body part 100 and the reflective part 200 of the integrated lens 010 are integrally formed, so that there is no need to separately produce the main body part 100 and the reflective part 200, and there is no need to The additional assembly of the body part 100 and the reflector part 200 is conducive to improving the production and assembly efficiency of the lamp, and there is no need to use additional parts to fix the reflector part 200 and the body part 100 assembled together, thereby reducing costs; moreover, the body part The Fresnel array 110 provided on the light incident side of 100 can redistribute the incident light to optimize the light.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. An integral lens, comprising:

a body portion (100), a Fresnel array (110) being disposed on a light incident side of the body portion (100); and the number of the first and second groups,

a light reflecting portion (200), the light reflecting portion (200) being integrally formed with the body portion (100).

2. The unitary lens according to claim 1, wherein the light-reflecting portion (200) is made of a light-transmitting material and the side walls of the light-reflecting portion (200) are provided with first grooves (120) for total reflection of light rays.

3. The unitary lens according to claim 2, wherein the side wall of the light reflecting portion (200) is provided with a plurality of the first grooves (120), and the plurality of the first grooves (120) are radially distributed around the axis of the light reflecting portion (200).

4. An integral lens according to claim 2, wherein said first groove (120) comprises a first groove wall (121) and a second groove wall (122) connected at an included angle.

5. An integral lens according to claim 4, characterized in that the included angle between the first groove wall (121) and the second groove wall (122) is 90 ° -120 °.

6. The integrated lens according to any one of claims 1 to 5, wherein the Fresnel array (110) comprises at least two total reflection blocks (111), the total reflection blocks (111) are used for totally reflecting the light emitted to the light incident side to the light emergent side of the body portion (100), and the at least two total reflection blocks (111) are concentrically distributed.

7. The integrated lens according to any of the claims 1 to 5, wherein the Fresnel array (110) comprises at least two total reflection elements (113), the total reflection elements (113) comprising a first wall (114) and a second wall (115) connected at an angle, the second wall (115) being provided with a second groove (130) for totally reflecting light rays; at least two total reflection members (113) are concentrically distributed, wherein the second wall (115) of one total reflection member (113) is connected with the first wall (114) of the other adjacent total reflection member (113).

8. The unitary lens according to claim 7, wherein the second wall (115) is provided with a plurality of second grooves (130), and the plurality of second grooves (130) are radially distributed around the axis of the light reflecting portion (200).

9. An integral lens according to claim 7, characterized in that the second groove (130) comprises a third groove wall (131) and a fourth groove wall (132) connected at an included angle, the included angle of the third groove wall (131) and the fourth groove wall (132) being 80 ° -140 °.

10. A luminaire comprising the integral lens of any one of claims 1 to 9.

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