CN212056841U

CN212056841U - LED linear lamp with lens

Info

Publication number: CN212056841U
Application number: CN202021121871.6U
Authority: CN
Inventors: 陈军平; 陈浩博
Original assignee: Shenzhen Qiangliming Lighting Co ltd
Current assignee: Shenzhen Qiangliming Lighting Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-12-01
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a take LED line type lamp of lens, including lamp shade, casing, PCB light source, lens structure. The lampshade is transparent and long strip-shaped, the shell is long strip-shaped, and the lampshade is detachably connected with the shell. The PCB light source is positioned inside the shell and comprises a PCB board and an LED installed on the PCB board. The lens structure is located above the LED and below the lampshade, and the lens structure is in a strip shape formed integrally. The lens structure includes an incident surface, a reflecting surface, and an exit surface. The incident surface is one surface of the lens structure close to the LED, the reflecting surfaces are two side surfaces of the lens structure, and the emergent surface is one surface of the lens structure opposite to the incident surface. The lens structure and the lampshade can be of an integral structure or of two independent structures. The utility model discloses a LED line type lamp through install integrated into one piece's lens structure additional in the LED top, makes light from the incident surface through lens structure external reflection to the emitting surface on to improve the light-emitting rate of LED line type lamp.

Description

LED linear lamp with lens

Technical Field

The utility model relates to a LED line type lamp field, in particular to take LED line type lamp of lens.

Background

In the prior art, the LED linear lamp is mostly made of milky transparent material. In the using process, the light scattering performance is strong, and the light effect is low. In order to maximize the utilization of light energy, it is necessary to provide a LED linear lamp with a lens to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a take LED line type lamp of lens through install the lens structure additional in the LED top, can make LED light concentrate after the reflection and throw to solve prior art light scattering nature very strong, the lower problem of light efficiency.

In order to solve the technical problem, the utility model adopts the technical scheme that:

a lensed LED linear lamp, comprising:

the lampshade is a transparent strip;

the lamp shade is detachably connected with the shell;

the PCB light source is positioned inside the shell and comprises a PCB and an LED arranged on the PCB;

lens structure, be located LED's top and the below of lamp shade, lens structure is integrated into one piece's rectangular shape, includes:

the incident surface is one surface of the lens structure close to the LED;

the reflecting surfaces are two side surfaces of the lens structure;

and the emergent surface is the surface of the lens structure opposite to the incident surface.

In the LED line type lamp of area lens, lens structure still includes: and the incident light cavity is positioned on the incident surface, and the LED is positioned in the incident light cavity.

In the LED linear lamp with the lens, the incident light cavity is followed the extending direction of the lens structure is through.

In the LED linear lamp with the lens, two, the side is a plane, and the cross section of the incident light cavity is a rectangle.

Take LED line type lamp of lens in, two of lens structure the side has still been plated and has increased anti-membrane.

Take LED line type lamp of lens in, LED line type lamp still includes rectangular shape white reflection of light paper, is located LED's both sides limit.

Take LED line type lamp of lens in, lens structure with lamp shade structure as an organic whole, two long limits of lens structure are provided with the base plate respectively, the base plate is used for connecting lens structure with the casing.

Take LED line type lamp of lens in, two the long limit of base plate is provided with to the convex first sand grip of inboard, first sand grip with the base plate forms first joint groove, two long limits of casing are provided with the second sand grip, the second sand grip is kept away from the one end of casing is provided with to the convex first joint strip of outside, the lens structure with the casing passes through first joint strip embedding first joint groove is connected.

Take LED line type lamp of lens in, the incident light chamber of lens structure and two set up an installation face, two respectively between the side the installation face is located the coplanar, the installation face with the PCB board is connected.

Take LED line type lamp of lens in, two long limits of lamp shade are provided with to the convex third sand grip of inboard, the third sand grip with the lamp shade forms second joint groove, two long limits of casing are provided with the fourth sand grip, the fourth sand grip is kept away from the one end of casing is provided with to the convex second joint strip of outside, the lamp shade with the casing passes through second joint strip embedding second joint groove connects.

The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses a take LED line type lamp of lens, it can make the LED light source from the incident surface through lens structure external reflection to the emitting surface through install integrated into one piece's lens structure additional in the LED top to improve the light-emitting rate of LED line type lamp, integrated into one piece's design makes lens structure installation simpler.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of a first embodiment of the linear lamp with lens of the present invention.

Fig. 2 is a partially enlarged view of a first embodiment of the linear lamp with lens according to the present invention.

Fig. 3 is a schematic cross-sectional view of a lens structure according to a first embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of a second embodiment of the linear lamp with lens according to the present invention.

Wherein, FIGS. 1-3 label: 11. the LED lamp comprises a lampshade, 12, a shell, 13, a PCB light source, 14, a lens structure, 121, a second convex strip, 122, a first clamping strip, 131, an LED, 132, a PCB board, 141, an incident light cavity, 142, a substrate, 143, an incident surface, 144, a reflecting surface, 145, an emergent surface, 1421, a first convex strip, 1422 and a first clamping groove.

FIG. 4 labels: 21. lamp shade, 24, lens structure, 211, third convex strip, 212, second joint groove, 241, incident light cavity, 242, incident surface, 243, reflecting surface, 244, emergent surface, 245, installation surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the directional terms, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", refer to the orientation of the drawings, and the directional terms are used for illustration and understanding, but not for limiting the present invention.

The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the prior art, the LED linear lamp adopts a milky transparent material as a lampshade, and has strong light scattering and low lighting effect in the using process.

The present invention provides two preferable embodiments of the LED linear lamp with lens which can solve the above technical problems.

Fig. 1, fig. 2 and fig. 3 are schematic views of a first embodiment of an LED linear lamp with a lens according to the present invention, wherein fig. 1 is a schematic structural view of the first embodiment, fig. 2 is a partial enlarged view of the first embodiment, and fig. 3 is a schematic cross-sectional view of a lens structure of the first embodiment. In the drawings, elements having similar structures are denoted by the same reference numerals.

Referring to fig. 1, 2 and 3, the present invention provides a first embodiment of an LED linear lamp with a lens, which includes a lamp cover 11, a housing 12, a PCB light source 13 and a lens structure 14. The lampshade 11 is transparent and long strip-shaped, the shell 12 is long strip-shaped, and the lampshade 11 is detachably connected with the shell 12. The PCB light source 13 is located inside the housing 12 and includes a PCB board 132 and an LED131 mounted on the PCB board 132. The lens structure 14 is located above the LED131 and below the lampshade 11, and the lens structure 14 is an integrally formed strip. The lens structure 14 includes an entrance face 143, a reflection face 144, and an exit face 145. The incident surface 143 is a surface of the lens structure 14 close to the LED131, the reflecting surfaces 144 are both side surfaces of the lens structure 14, and the exit surface 145 is a surface of the lens structure 14 opposite to the incident surface 143.

As shown in fig. 2, the lens structure 14 is further provided with an incident light cavity 141 at the bottom, the lens structure 14 is connected to the PCB 132 in a contact manner, the LED131 is wrapped inside the incident light cavity 141, and the incident surface 143 is an inner wall of the incident light cavity 141. The incident light cavity 141 controls the light of the LED131 inside, reducing light scattering and improving light extraction efficiency.

As shown in fig. 2, the incident light cavity 141 is through-going in the extending direction of the lens structure 14. By adopting the lens structure, the LED131 can emit light uniformly, and light spots are reduced.

As shown in fig. 2, two side surfaces of the lens structure 14 are flat surfaces, and the cross section of the incident light cavity 141 is rectangular, so that the production process can be simplified and the production efficiency can be improved.

As shown in fig. 2, two side surfaces of the lens structure 14 may be further coated with reflection increasing films, so as to increase the reflectivity of the reflection surface 144, thereby increasing the light-emitting efficiency of the exit surface 145 and improving the light efficiency.

As shown in fig. 1, the linear lamp of this embodiment further has long-strip white reflective paper on two sides of the LED131, so as to reflect light and improve the brightness and lumen of the lamp.

As shown in fig. 2, the lens structure 14 and the lamp housing 11 are an integral structure, and two long sides of the lens structure 14 are respectively provided with a substrate 142, and the substrates 142 are used for connecting the lens structure 14 and the housing 12. In the above-mentioned integrated structure, the lens structure 14 not only plays a role of condensing light, but also has a role of a lampshade, that is, has a role of protecting and packaging the lamp. By using the lens structure 14, the lampshade 11 does not need to be installed, the production cost is saved, and the assembly process is simplified.

As shown in fig. 3, the long sides of the two substrates 142 are provided with first protruding strips 1421 protruding inward, the first protruding strips 1421 and the substrates 142 form first clamping grooves 1422, the two long sides of the housing 12 are provided with second protruding strips 121, the upper end of the second protruding strips 121 is provided with first clamping strips 122 protruding outward, and the lens structure 14 and the housing 12 are connected by embedding the first clamping strips 122 into the first clamping grooves 1422. By adopting the embedded clamping mode, the requirement on the processing precision of the clamping structure is not high, the production reject ratio can be reduced, and the production efficiency is improved. And the embedded clamping mode enables the assembling process of the lamp to be simple and easy to operate, and improves the assembling efficiency.

The utility model discloses do above the first embodiment of the LED line type lamp of taking lens, after the LED line type lamp adopted above-mentioned lens structure, increased the reflectivity of LED light, improved the light-emitting rate of LED line type lamp to make the illuminance of LED line type lamp more even, reduce the facula. The lens structure and the lampshade are integrated, so that the production process is simplified, the production cost is saved, and the assembly efficiency is improved.

Fig. 4 is a schematic cross-sectional view of a lens structure 24 and a lampshade 21 in a second embodiment of the present invention, the housing and the PCB light source are not shown in the figure, and the structure is the same as that of the first embodiment, please refer to fig. 1 and fig. 2. As shown in fig. 4, the lamp housing 21 and the lens structure 24 are two separate structures, and the lens structure 24 is located below the lamp housing 21 and above the PCB light source (like the PCB light source 13 of fig. 2). A mounting surface 245 is respectively arranged between the incident light cavity 241 and the two side surfaces of the lens structure 24, the two mounting surfaces 245 are located on the same plane, and the mounting surface 245 is connected with a PCB (the same PCB 132 in fig. 2). The lamp shade 21 and the lens structure 24 adopt an independent structure mode, so that when the lamp shade is damaged or yellowed, only the lamp shade needs to be replaced, and the lens structure does not need to be replaced, thereby saving the replacement cost.

As shown in fig. 4, referring to fig. 2, the two long sides of the lampshade 21 are provided with third protruding strips 211 protruding inward, the third protruding strips 211 and the lampshade 21 form a second clamping groove 212, the two long sides of the housing (the structure is the same as that of the housing 12 in fig. 2, the structure is the same as that of the housing), the fourth protruding strips (the structure is the same as that of the second protruding strips 121 in fig. 2, the structure is the same as that of the first clamping strips 122 in fig. 2, the structure is the same as that of the housing), and the lampshade 21 and the housing are connected by the second clamping strips embedded into the second clamping. By adopting the embedded clamping mode, the requirement on the processing precision of the clamping structure is not high, the production reject ratio can be reduced, and the production efficiency is improved. And the embedded clamping mode enables the assembling process of the lamp to be simple and easy to operate, and improves the assembling efficiency.

The arrangement of the white light reflecting strips and the lens structure with the reflection increasing films coated on both sides in the first embodiment is also applicable to the second embodiment.

The second embodiment of the present invention can be implemented by replacing the lampshade only if the lampshade is damaged or yellowed, without replacing the lens structure, thereby saving the replacement cost. The embedded clamping mode is adopted, the requirement on the processing precision of the clamping structure is not high, the production reject ratio can be reduced, and the production efficiency is improved. And the embedded clamping mode makes the assembly process of lamps simple and easy to operate, and improves the assembly efficiency.

The utility model discloses a theory of operation: a circuit board fixed with a power supply is placed in the shell, and a PCB packaged with LED lamp beads is placed on the circuit board. If the lens structure and the lampshade are of an integral structure, the lens structure and the shell are connected together in an embedded manner; if the lens structure and the lampshade are independent structures, the lens structure is fixed on the PCB, and then the lampshade and the shell are connected together in an embedded mode. And finally, the lamp cap and the aluminum ring are used for completing the encapsulation of the linear lamp at two sides, and two ends of the linear lamp are led out for connecting a power supply.

Thus, the assembling process of the linear lamp with lens of the present invention is completed.

The utility model discloses a take LED line type lamp of lens, it can make the LED light source from the incident surface through lens structure external reflection to the emitting surface through install integrated into one piece's lens structure additional in the LED top to improve the light-emitting rate of LED line type lamp, integrated into one piece's design makes lens structure installation simpler.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. An LED linear lamp with lens, which is characterized by comprising:

the lampshade is a transparent strip;

the lamp shade is detachably connected with the shell;

the incident surface is one surface of the lens structure close to the LED;

the reflecting surfaces are two side surfaces of the lens structure;

2. The lensed LED light wire of claim 1, wherein the lens structure further comprises:

and the incident light cavity is positioned on the incident surface, and the LED is positioned in the incident light cavity.

3. The lensed LED light wire of claim 2, wherein the incident light cavity is through-going in the direction of extension of the lens structure.

4. The lensed LED light wire of claim 2, wherein the two sides are planar and the incident light cavity is rectangular in cross-section.

5. The lensed LED light wire of claim 1, wherein both of the sides of the lens structure are further coated with a reflective coating.

6. The LED linear lamp with lens as claimed in claim 1, further comprising an elongated white reflective paper on both sides of the LED.

7. The LED linear lamp with the lens as claimed in claim 1, wherein the lens structure and the lamp cover are an integral structure, and two long sides of the lens structure are respectively provided with a substrate for connecting the lens structure and the housing.

8. The LED linear lamp with the lens according to claim 7, wherein two long sides of the substrate are provided with first convex strips protruding towards the inside, the first convex strips and the substrate form a first clamping groove, two long sides of the housing are provided with second convex strips, one end of each second convex strip, which is far away from the housing, is provided with a first clamping strip protruding towards the outside, and the lens structure and the housing are connected through the first clamping strip embedded into the first clamping groove.

9. The LED linear lamp with the lens as claimed in claim 2, wherein a mounting surface is respectively arranged between the incident light cavity of the lens structure and the two side surfaces, the two mounting surfaces are located on the same plane, and the mounting surfaces are connected with the PCB.

10. The LED linear lamp with the lens according to claim 1, wherein third protruding strips protruding towards the inner side are arranged on two long edges of the lampshade, the third protruding strips and the lampshade form a second clamping groove, fourth protruding strips are arranged on two long edges of the shell, a second clamping strip protruding towards the outer side is arranged at one end, away from the shell, of each fourth protruding strip, and the lampshade and the shell are connected through the second clamping strip embedded into the second clamping groove.