CN219674033U

CN219674033U - Lamp strip and lamp

Info

Publication number: CN219674033U
Application number: CN202320661684.4U
Authority: CN
Inventors: 李小庆; 王�华
Original assignee: Mynice Optoelectronics Co ltd
Current assignee: Mynice Optoelectronics Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-09-12
Anticipated expiration: 2033-03-23

Abstract

The utility model is suitable for the technical field of lighting equipment, and provides a lamp strip and a lamp, wherein the lamp strip comprises: a light emitting body; the mounting piece is used for bearing the luminous body; the light transmission piece is arranged on the mounting piece and covers the luminous body; a plurality of first protruding parts are arranged on the light-transmitting part in a protruding mode along the width direction, the first protruding parts are sequentially arranged along the width direction of the light-transmitting part, each first protruding part extends along the length direction of the light-transmitting part, and the first protruding parts are used for refracting light rays emitted by the luminous body to the outside; the lamp comprises a lamp belt; the utility model arranges a plurality of protruding parts on the side opposite to the illuminant and forms a plurality of areas, thereby redistributing the angles of the light rays emitted by the illuminant so as to enlarge the irradiation area of the lamp strip and increase the coverage area of the light spots.

Description

Lamp strip and lamp

Technical Field

The utility model belongs to the technical field of lighting equipment, and particularly relates to a lamp strip and a lamp.

Background

Along with the popularization of LED illumination application technology in the market, LED soft lamp strips are widely applied in various different illumination fields, and especially soft lamp strips manufactured by a silica gel extrusion process are widely applied in the fields of outdoor illumination and the like. However, the optical angle of the light beads in the conventional soft lamp strip is 120 DEG of lambertian distribution, and the defects of small light spots, small irradiation area and the like exist in application.

Disclosure of Invention

Aiming at the problems, the utility model provides a lamp strip and a lamp, which at least solve the problems of small irradiation area and small light spot of the lamp strip in the prior art.

The lamp strip provided by the embodiment of the utility model comprises:

a light emitting body;

a mounting for carrying the light;

the light-transmitting piece is arranged on the mounting piece and covers the luminous body;

the light transmission piece is provided with a plurality of first protruding portions in a protruding mode along the width direction, the first protruding portions are arranged in sequence along the width direction of the light transmission piece, each first protruding portion extends along the length direction of the light transmission piece, and the first protruding portions are used for refracting light rays emitted by the luminous body to the outside.

In an embodiment, the light strip further comprises a containing cavity formed between the mounting piece and the light-transmitting piece, and the illuminant is contained in the containing cavity;

the light-transmitting piece is provided with a first light incident surface and a first light emergent surface which are arranged in a back-to-back mode, the first light incident surface is opposite to the luminous body and arranged at intervals, and the first protruding part is protruding on the first light incident surface.

In one embodiment, the first protrusion is triangular prism-shaped and has a first edge facing the light emitter.

In an embodiment, the distances between the first edges of the plurality of first protruding portions and the first light emitting surface decrease in a direction away from the light emitting body.

In an embodiment, the light-transmitting member further has two second light incident surfaces and two second light emergent surfaces, the two second light incident surfaces are disposed opposite to each other and are located at two opposite sides of the light-emitting body along the width direction of the light-transmitting member, and the second light emergent surfaces are disposed opposite to the corresponding second light incident surfaces.

In an embodiment, the second light incident surface is a plane; or, the second light incident surface is convexly provided with a second protruding part.

In an embodiment, the lamp strip further includes sealing members, which are sealingly connected to opposite ends of the mounting member in a length direction, and which are sealingly connected to the light-transmitting member to configure the accommodation chamber as a sealed space.

In one embodiment, the light-transmitting member is hermetically mounted to the mounting member and at least partially encloses the light-emitting body;

the light-transmitting piece comprises a third light-emitting surface which is opposite to the luminous body, and the first protruding part is protruding on the third light-emitting surface.

In one embodiment, the light transmissive member is made of a light transmissive material;

the mounting member is made of a light transmitting material, a light reflecting material or a light shielding material.

The lamp provided by the utility model comprises the lamp strip.

The utility model makes an improved design aiming at the problems of small irradiation area and small light spot of the lamp strip in the prior art, and a plurality of convex parts are arranged on one side opposite to the luminous body to form a plurality of areas, so that the angles of light rays emitted by the luminous body are redistributed to enlarge the irradiation area of the lamp strip and increase the coverage area of the light spot.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a polar coordinate diagram of light intensity distribution of a current LED strip.

Fig. 2 is a schematic perspective view of a light strip according to an embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view of the light strip shown in fig. 2.

Fig. 4 is a schematic view of the light path of the lamp strip shown in fig. 2.

Fig. 5 is a schematic cross-sectional view of a lamp strip according to another embodiment of the present utility model.

Fig. 6 is a schematic view of the light path of the lamp strip shown in fig. 5.

Fig. 7 is a schematic perspective view of a light strip according to another embodiment of the present utility model.

Fig. 8 is a schematic cross-sectional view of the light strip shown in fig. 7.

Fig. 9 is a schematic light path diagram of the lamp strip shown in fig. 7.

Fig. 10 is a schematic diagram of polar coordinates of light intensity distribution of a lamp strip according to an embodiment of the present utility model.

The meaning of the labels in the figures is:

100. a light strip;

10. a light emitting body;

20. a mounting member;

30. a light transmitting member; 301. a first boss; 3011. a first edge; 302. a first light incident surface; 303. a first light-emitting surface; 304. a second light incident surface; 305. a second light-emitting surface; 306. a second protruding portion; 307. a third light-emitting surface; 308. a fourth light-emitting surface;

40. a receiving chamber;

50. and a seal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings, i.e., embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Along with the popularization of LED lighting application technology in the market, the LED soft lamp strip is widely applied in various different lighting fields, in particular to a soft lamp strip manufactured by a silica gel extrusion process which is widely applied in the field of outdoor lighting and the like. However, the existing soft lamp strip has the defects of small light spots, small irradiation area and the like when being applied, wherein the optical angle of the soft lamp strip is 120 degrees of the lambertian distribution of lamp beads; referring to fig. 1, fig. 1 provides a polar coordinate diagram of a light intensity distribution of a current LED strip, which is a 120 ° lambertian distribution, and the coverage area and the spot area of a light beam are smaller.

The utility model provides a lamp strip and a lamp, wherein a plurality of convex parts are arranged on one side opposite to a luminous body and a plurality of areas are formed, so that angles of light rays emitted by the luminous body are redistributed, the irradiation area of the lamp strip is enlarged, and the coverage area of light spots is increased.

In order to describe the technical scheme of the utility model, the following description is made with reference to specific drawings and embodiments.

Referring to fig. 2 and 3, a lamp strip 100 according to an embodiment of the first aspect of the present utility model includes a light emitting body 10, a mounting member 20, and a light transmitting member 30.

The light emitting body 10 is a light source of the light strip 100, and the light emitting body 10 may be an LED lamp bead, an LED chip or other light sources.

The mounting member 20 is used to provide a fixed base for the light emitting body 10 and the light transmitting member 30, and the material of the mounting member 20 may be selected according to the type of the light strip 100, for example, when the light strip 100 is a soft light strip, the mounting member 20 may be made of flexible plastic or other flexible materials; the shape of the mounting member 20 may also be selected based on the type of light strip 100, and may be, for example, elongated or otherwise.

The light-transmitting member 30 is disposed on the mounting member 20, and the light-transmitting member 30 and the illuminant 10 are disposed on the same side of the mounting member 20, and the light-transmitting member 30 can cover the illuminant 10, so that a light beam emitted by the illuminant 10 can be emitted to the outside through the light-transmitting member 30; the light-transmitting member 30 is made of a light-transmitting material, the specific material of which can be selected according to the type of the lamp strip 100, for example, when the lamp strip 100 is a soft lamp strip, the light-transmitting member 30 can be made of a flexible light-transmitting plastic; the shape of the light-transmitting member 30 may also be selected according to the type of the light strip 100, and may be, for example, a strip or other shape.

The light transmitting member 30 is provided with a plurality of first protruding portions 301, the plurality of first protruding portions 301 are distributed along the width direction of the light transmitting member 30, each first protruding portion 301 extends along the length direction of the light transmitting member 30, referring to fig. 2, the width direction is the direction in which W is located in fig. 2, the length direction is the direction in which L is located in fig. 2, the specific length of the first protruding portions 301 is determined according to the arrangement mode and the number of the light emitting bodies 10, so as to determine that the light beam emitted by each light emitting body 10 in the light strip 100 can pass through the first protruding portions 301, so that the light beam emitted by the light transmitting member 30 can have a larger coverage range, namely, the light beam emitted by the light emitting body 10 can be emitted to the outside at a larger angle after passing through the first protruding portions 301, specifically, the central line of the light beam is called an optical axis, the light beam emitted by the light transmitting member 10 is called an incident light beam, the light beam emitted by the light transmitting member 30 is called an emergent light beam, and the angle between the emergent light beam and the optical axis is larger than the angle between the incident light beam and the emergent light beam, and the light beam is set so that the light beam can have a larger coverage range, and the light transmitting member can have a larger light transmitting area.

In this embodiment, the plurality of first protrusions 301 are disposed on the light-transmitting member 30 and form a plurality of areas, so that the angles of the light emitted by the light-emitting body 10 are redistributed, the irradiation area of the light strip 100 is enlarged, and the coverage area of the light spots is increased.

It is understood that the forming process of the light-transmitting member 30 includes a hollow extrusion process and a solid extrusion process, and the following disclosure provides a plurality of embodiments, and the technical solutions of the disclosure will be further described with respect to different extrusion processes.

Example 1

Referring to fig. 2, 3 and 4, the light strip 100 in this embodiment further includes a receiving cavity 40, the receiving cavity 40 is formed between the mounting member 20 and the light-transmitting member 30, specifically, the receiving cavity 40 may be formed in the light-transmitting member 30, or receiving grooves may be formed in both the mounting member 20 and the light-transmitting member 30, and the two receiving grooves may be spliced to form the receiving cavity 40, and the light emitting body 10 is accommodated in the receiving cavity 40.

In this embodiment, the transparent member 30 is manufactured by a hollow extrusion process, and the light emitted by the light emitting body 10 is substantially refracted twice, specifically, the refraction of the light emitted from the air into the transparent member 30 and the refraction of the light emitted from the transparent member 30 into the outside air are respectively performed.

The light-transmitting member 30 has a first light-incident surface 302 and a first light-emitting surface 303, where the first light-incident surface 302 and the first light-emitting surface 303 are opposite to each other, and specifically, the first light-incident surface 302 is opposite to the light-emitting body 10, the first light-incident surface 302 is also the top surface of the accommodating cavity 40, the first light-emitting surface 303 faces the outside, and the light emitted from the light-emitting body 10 is incident into the light-transmitting member 30 through the first light-incident surface 302 and is emitted from the light-transmitting member 30 to the outside through the first light-emitting surface 303.

The first protruding portion 301 is protruding on the first light incident surface 302, specifically, the first protruding portion 301 protrudes from the light transmitting member 30 toward the direction close to the light emitting body 10, at this time, the first light incident surface 302 is a saw-tooth or wave-shaped curved surface formed by connecting a plurality of surfaces of the first protruding portions 301 toward the direction of the light emitting body 10, referring to fig. 4, the light beam emitted from the light emitting body 10 enters the light transmitting member 30 through the first light incident surface 302, the light beam entering the light transmitting member 30 deflects toward the normal direction close to the first light incident surface 302 and irradiates toward the first light emitting surface 303, and the light beam emitted from the light transmitting member 30 to the outside through the first light emitting surface 303 deflects toward the normal direction far from the first light emitting surface 303, so that the light beam formed by the emitted light beam has a larger coverage area.

In some embodiments, the first protruding portion 301 is in a triangular prism shape, and the first protruding portion 301 has a first edge 3011, and the first edge 3011 is disposed towards the light emitter 10; in other embodiments, the first protrusion 301 may also be semi-cylindrical.

Further, the distance between the first edge 3011 and the first light emitting surface 303 decreases along the direction away from the light emitting body 10, referring to fig. 3, the distance between the first edge 3011 and the first light emitting surface 303 includes, but is not limited to, H1 and H2 in fig. 3, the direction away from the light emitting body 10 is the direction indicated by the arrow in fig. 3, and the direction is the direction from the center to the two sides of the transparent member 30, and the arrangement makes the inclination angle between the side surface of the first protruding portion 301 facing the light emitting body 10 and the horizontal plane smaller from the center to the two sides of the transparent member 30; referring to fig. 4, the light close to the optical axis is refracted by the light transmitting member 30 and then emitted to the outside at a larger angle, while the light far away from the optical axis is refracted by the light transmitting member 30 and then emitted to the outside at a smaller angle, wherein the smaller angle refers to an angle between the outgoing light and the optical axis being smaller than an angle between the incoming light and the optical axis, and the arrangement enables the light to be converged inwards at the edge of the light beam, so as to avoid too low brightness caused by too large light beam irradiation range.

In some embodiments, the light-transmitting member 30 further has a second light incident surface 304 and a second light emergent surface 305, two second light incident surfaces 304 and two second light emergent surfaces 305 are respectively disposed opposite to each other and respectively located at two opposite sides of the light-emitting body 10, and two second light incident surfaces 304 are respectively located at two sides of the first light incident surface 302 and are respectively connected to the first light incident surface 302; the two second light emitting surfaces 305 are disposed opposite to the corresponding second light incident surfaces 304.

In this embodiment, the second light emitting surface 305 and the second light incident surface 304 are both planar, referring to fig. 4, the light emitted from the light emitting body 10 enters the light transmitting member 30 through the second light incident surface 304, and is emitted to the outside through the second light emitting surface 305, and the light emitted to the outside is parallel to the light emitted from the light emitting body 10.

Referring to fig. 2, in some embodiments, the lamp strip 100 further includes sealing members 50, the sealing members 50 are disposed at opposite ends of the mounting member 20 along the length direction, the sealing members 50 are also connected to the light-transmitting member 30 in a sealing manner, and under the sealing effect of the sealing members 50, the accommodating cavity 40 is configured as a sealed space, and the sealed space is enclosed by the two second light-emitting surfaces 305, the first light-emitting surfaces 303, the mounting member 20 and the two sealing members 50 together, which can enable the lamp strip 100 to have a waterproof effect so as to protect the light-emitting body 10.

In some embodiments, the transparent member 30 is made of a transparent material, and the mounting member 20 may be made of a transparent material, or may be made of a reflective or opaque material; when the mounting member 20 is made of a light-transmitting material, the light strip 100 also has a certain brightness at one side of the mounting member 20; when the mounting piece 20 is made of reflective material, the light emitted by the illuminant 10 can be reflected by the mounting piece 20 and finally emitted to the outside, so that the light utilization rate is further improved; when the mount 20 is made of a light shielding material, light cannot be emitted from one side of the mount 20, so that the light beam emitted from the lamp strip 100 has better directivity.

Example two

Referring to fig. 2, 5 and 6, the lamp strip 100 in this embodiment includes a housing cavity 40 and a sealing member 50, the light-transmitting member 30 in this embodiment includes a first light incident surface 302, a first light emergent surface 303, two second light incident surfaces 304 and two second light emergent surfaces 305, the first protrusion 301 is disposed on the first light incident surface 302, and a distance between a first edge 3011 of the first protrusion 301 and the first light emergent surface 303 decreases along a direction away from the light emitting body 10.

In this embodiment, the light transmitting member 30 further includes a second protruding portion 306, the second protruding portion 306 is protruding on the second light incident surface 304, at this time, the second light incident surface 304 is substantially a zigzag or wavy curved surface formed by connecting a plurality of surfaces of the second protruding portion 306 facing the direction of the light emitting body 10, referring to fig. 6, the light emitted from the light emitting body 10 enters the light transmitting member 30 through the second light incident surface 304, the light entering the light transmitting member 30 deflects toward the normal direction close to the second light incident surface 304 and irradiates toward the second light emitting surface 305, and the light emitted from the light transmitting member 30 to the outside through the second light emitting surface 305 deflects toward the normal direction far from the second light emitting surface 305, i.e. the light emitted at this time deflects toward the direction far from the light emitting body 10, so as to achieve the effect of gathering the edge light of the light beam.

Compared with the first embodiment, the present embodiment further gathers the light at the edge of the light beam, thereby improving the spot brightness and the light utilization rate.

In some embodiments, the second protruding portion 306 is a triangular prism, and an edge of the triangular prism faces the light emitter 10; in other embodiments, the second protrusion 306 may also be semi-cylindrical or other shapes.

Example III

Referring to fig. 7, 8 and 9, in the present embodiment, the light transmitting member 30 is connected to the mounting member 20, and the light transmitting member 30 at least wraps part of the light emitting body 10, and the light strip 100 in the present embodiment no longer includes the accommodating cavity 40, i.e. the light transmitting member 30 in the present embodiment is made by a solid extrusion process, at this time, the light emitted from the light emitting body 10 is refracted once, and the light emitted from the light emitting body 10 is directly injected into the light transmitting member 30 and is emitted from the light transmitting member 30 to the outside air.

The light transmitting member 30 wraps at least a portion of the light emitting body 10, which means that at least a portion of the light emitting body 10 is embedded in the light transmitting member 30, specifically, when a portion of the light emitting body 10 is installed and embedded in the installation member 20, the light transmitting member 30 wraps only a portion of the light emitting body 10 exposed outside the installation member 20, when only one surface of the light emitting body 10 is exposed outside the installation member 20, the surface faces the light transmitting member 30 and the light transmitting member 30 wraps only the surface, and when the light emitting body 10 is installed on the surface of the installation member 20, the light transmitting member 30 wraps the light emitting body 10.

Referring to fig. 8, in some embodiments, the light-transmitting member 30 includes a third light-emitting surface 307, the third light-emitting surface 307 is opposite to the light-emitting body 10, and specifically, the third light-emitting surface 307 faces the outside and faces away from the light-emitting body 10, and the light emitted from the light-emitting body 10 into the light-transmitting member 30 is emitted to the outside through the third light-emitting surface 307.

The first protruding portion 301 is protruding on the third light emitting surface 307, specifically, the first protruding portion 301 extends from the light transmitting member 30 in a direction away from the light emitting body 10, at this time, the third light emitting surface 307 is substantially a zigzag or wavy curved surface formed by connecting a plurality of surfaces of the first protruding portion 301 in a direction away from the light emitting body 10, referring to fig. 9, the light emitted from the light emitting body 10 after being refracted at the third light emitting surface 307 by the light transmitting member 30 is emitted to the outside, and the light emitted from the third light emitting surface 307 is deflected in a direction away from a normal line of the third light emitting surface 307, so that a beam formed by the emitted light has a larger coverage area.

In some embodiments, the first protruding portion 301 is in a triangular prism shape, the first protruding portion 301 has a first edge 3011, and the first edge 3011 is disposed away from the light emitter 10; in other embodiments, the first protrusion 301 may also be semi-cylindrical.

Referring to fig. 8, in some embodiments, the light-transmitting member 30 further includes two fourth light-emitting surfaces 308, the two fourth light-emitting surfaces 308 are disposed opposite to each other and are located at two sides of the light-emitting body 10, the two fourth light-emitting surfaces 308 are connected to the third light-emitting surface 307, and the light emitted from the light-transmitting member 30 to the outside through the fourth light-emitting surfaces 308 is deflected in a direction away from the normal line of the fourth light-emitting surfaces 308, so as to deflect in a direction away from the light-emitting body 10, i.e. the light emitted from the fourth light-emitting surfaces 308 gathers in a direction close to the emergent light, so that the light at the edge of the light beam gathers further, thereby improving the spot brightness and the light utilization rate.

In some embodiments, the light-transmitting member 30 is hermetically connected to the mounting member 20, and when the light-emitting body 10 is partially embedded in the mounting member 20 and the other part is embedded in the light-transmitting member 30, the arrangement can improve the waterproof performance of the light strip 100, prevent the light strip 100 from water entering, and protect the light-emitting body 10.

The second embodiment of the present utility model further provides a lamp, including the lamp strip 100 provided in the first embodiment, which may be a ceiling lamp, a pendant lamp, a desk lamp or other lamps, and the lamp includes the lamp strip 100, so that the lamp strip 100 has the beneficial effects that the lamp also has a larger illumination range and a more uniform brightness.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. A light strip comprising a luminary, wherein the light strip further comprises:

a mounting for carrying the light;

2. The light strip of claim 1, further comprising a receiving cavity formed between the mounting member and the light transmissive member, the light emitter being received within the receiving cavity;

3. The light strip of claim 2, wherein the first protrusion is triangular prism shaped and the first protrusion has a first edge facing the light emitter.

4. A light strip as claimed in claim 3 wherein the distance between the first edges of the plurality of first protrusions from the first light-emitting surface decreases in a direction away from the light-emitting body.

5. The lamp strip according to any one of claims 2-4, wherein the light-transmitting member further has two second light incident surfaces and two second light emergent surfaces, the two second light incident surfaces are disposed opposite to each other and are located at opposite sides of the light-emitting body along a width direction of the light-transmitting member, and the second light emergent surfaces are disposed opposite to the corresponding second light incident surfaces.

6. The light strip of claim 5, wherein the second light entrance surface is planar; or, the second light incident surface is convexly provided with a second protruding part.

7. The lamp strip of any one of claims 2-4, further comprising sealing members sealingly connected to opposite ends of the mounting member in a length direction, and the sealing members sealingly connected to the light-transmitting member to configure the accommodation chamber as a sealed space.

8. The light strip of claim 1, wherein the light transmissive member is sealingly mounted to the mounting member and encloses at least a portion of the light emitter;

9. The light strip of claim 1, wherein the light transmissive member is made of a light transmissive material;

10. A luminaire comprising a lamp strip as claimed in any one of claims 1 to 9.