CN217816260U

CN217816260U - LED lamp

Info

Publication number: CN217816260U
Application number: CN202222241122.2U
Authority: CN
Inventors: 林东锋; 许谦; 曾学仁
Original assignee: Zhejiang Twinsel Electronic Technology Co Ltd
Current assignee: Zhejiang Twinsel Electronic Technology Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-15
Anticipated expiration: 2032-08-24

Abstract

The application discloses LED lamps and lanterns, including lamp plate and a plurality of independent lens, be provided with a plurality of LED lamp pearls on the lamp plate, each lens independently covers establishes on each LED lamp pearl, and lens use adhesive and lamp plate adhesive bonding. The LED lamp solves the problem of poor universality of the integrated lens, and is simultaneously beneficial to realizing the accurate alignment of the lens and the lamp beads.

Description

LED lamp

Technical Field

The application relates to the field of lighting lamps, in particular to an LED lamp.

Background

In recent years, an LED (light emitting diode) is used as an efficient and energy-saving artificial light source, has the advantages of long service life, energy conservation, environmental protection, fast response, shock resistance and the like, and can be rapidly applied to daily life to replace traditional light sources such as fluorescent lamps, car lamps and street lamps. LED lamps and lanterns generally comprise drive power supply, lamp plate and protection casing isotructure, still can set up lens on the LED lamp pearl of lamp plate usually for change the beam angle of light-emitting, in order to reach local illumination or scattered light's effect.

In a conventional LED lamp, in order to facilitate installation of lenses, each lens corresponding to a lamp bead is generally designed into an integrated structure, as shown in fig. 1, the integrated lens 1A includes a plurality of lens regions 100A, and during installation, the integrated lens 1A is integrally disposed on the LED lamp panel 2A, so that each lens region 100A is aligned with each lamp bead 200A on the lamp panel 2A. However, the existing unitary lens structure has the following disadvantages:

(1) The LED lamp beads of different LED lamps are arranged in different ways, so that the different LED lamps need to use a customized integrated lens, the universality of the integrated lens is poor, and the cost of lamp manufacturers is greatly increased;

(2) Because integral type lens includes a plurality of lenses, when the LED lamp pearl on lieing in the lamp plate aligns, make all lenses and corresponding LED lamp pearl all reach best alignment position and have certain degree of difficulty, therefore the spotlight effect of lens can receive the influence.

Disclosure of Invention

An object of this application is to provide an LED lamps and lanterns, solve the relatively poor problem of integral type lens commonality.

Another aim at of this application provides an LED lamp is favorable to realizing the accurate alignment of lens and lamp pearl.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a LED lamp, includes lamp plate and a plurality of independent lens, be provided with a plurality of LED lamp pearls on the lamp plate, each lens independently cover and establish on each LED lamp pearl, lens use the adhesive with lamp plate adhesive bonding.

Preferably, the adhesive is a thermosetting adhesive.

As another preference, the thermosetting adhesive is a UV glue.

As another preferred mode, the lens is overlapped with the central axis of the lamp bead.

As another preference, the lens is a convex lens.

As another preferred, lens with the position of lamp plate adhesion sets up to the adhesion face, adhesion face outer loop radius is L1, adhesion face inner loop radius is L2, L2: l1 is (1.

As another preference, L2: l1 is (1.

As another preference, the surface roughness Ra of the adhesion surface is not less than 0.4.

Preferably, the LED lamp further includes a protective cover, the protective cover is provided with a plurality of through holes, the through holes are in one-to-one correspondence with the lenses, and the diameter of each through hole is larger than that of each lens, so that the lenses pass through the through holes and are exposed outside the protective cover.

As another preference, the protective cover and the lamp panel are both made of insulating materials with certain hardness.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The lens is independently adhered to the lamp panel, so that the alignment rate of the lens and the LED lamp beads is improved, the stability of the optical performance of the lamp is improved, and the quality of the lamp is improved;

(2) The production process requirement of the protective cover is reduced by separating the lens from the protective cover, so that a professional manufacturer is not required to manufacture the protective cover, and the production cost is reduced;

(3) The lens cementing process has universality and unity, the mold is not required to be adjusted according to the shape of the lamp for manufacturing, the stability of the product and the efficiency of the project are improved, and the production cost is reduced.

Drawings

FIG. 1 is an exploded view of a portion of a prior art LED lamp;

FIG. 2 is a schematic view of one embodiment of an LED lamp of the present application;

FIG. 3 is a front view of one embodiment of an LED light fixture of the present application;

FIG. 4 is a schematic diagram of a partial explosion of an LED lamp of the present application, with the protective cover not shown;

FIG. 5 is a partial exploded front view of an LED light fixture of the present application with the protective cover not shown;

FIG. 6 is a perspective view of a portion of an LED lamp of the present application, with the shield not shown;

FIG. 7 is a partial front view of the LED light of the present application with the protective cover not shown;

FIG. 8 is an exploded view of another portion of an LED lamp according to the present application;

FIG. 9 is another partial exploded front view of the LED light of the present application;

FIG. 10 is a schematic view of a multi-layer structure of an embodiment of an LED lamp according to the present application;

in the figure: 10. a lamp panel; 11. an LED lamp bead; 20. a lens; 30. a protective cover; 31. a through hole; 40. a diffusion plate; 50. and a lampshade.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 2 and 3, the LED lamp of the present invention includes a lamp panel 10 and a plurality of independent lenses 20, wherein the lamp panel 10 is provided with a plurality of LED lamp beads 11 serving as a light source of the LED lamp; the lens 20 is used to adjust the beam angle of the light source, to diffuse or concentrate the light for different usage scenarios. The LED lamp further comprises a protective cover 30 which is used for covering the connecting wire of the LED lamp bead 11 and preventing the connecting wire from being touched by a user.

Lens 20 sets up to single independent form, and lens 20 sets up to the relation of one-to-one with LED lamp pearl 11, and lens 20 is that a back-off that has an internal cavity is hemispherical, and inside every LED lamp pearl 11 was installed at the lens 20 cavity that corresponds, LED lamp pearl 11 light emitting area orientation lens 20 for the light that LED lamp pearl 11 sent outwards refracts again through lens 20.

The separate design of the lens 20 and the protective cover 30 better adapts to the different requirements of different lamps on the appearance change of optical elements and the arrangement of the lens 20, and under the condition that the arrangement mode of the lens 20 is changed, only the corresponding protective cover 30 part needs to be manufactured, so that the design and manufacturing process is greatly reduced, and the project period is shortened; in addition, the corresponding protective cover 30 and the integrated cover plate of the lens 20 are not required to be designed by a targeted die sinking, the part of the lens 20 which needs higher production requirements is handed to a professional manufacturer, the fixed mode and parameters of the optical part are promoted to be researched, the production requirement is low, the manufacturing process is simple, the part of the protective cover 30 which has changeable shape requirements does not need the professional manufacturer, the production cost can be reduced, and the resources of corresponding manpower and material resources are saved. Finally, the lens 20 is used as a unified accessory structure of the lamp, has universal matching performance and uniformity, can be applied to most of LED lamp assembling conditions of the lens 20, unifies the production process, reduces cost and improves efficiency.

In some embodiments, the lens 20 is connected to the lamp panel 10 by gluing, referring to fig. 4 and 5, after the independent lens 20 is one-to-one corresponding to each LED lamp bead 11 by using a professional device, the independent lens 20 is adhesively fixed to the lamp panel 10, so that the lens 20 and the lamp panel 10 are fixedly connected, the relative position is not changed, and the schematic diagram after gluing is shown in fig. 6 and 7. Fix lens 20 with sticky form, be favorable to improving the alignment rate of lens 20 and LED lamp pearl 11, avoid when manufacturing because extensive technology, the matching skew of integral type lens 20 and lamp plate 10 causes all lens 20 and LED lamp pearl 11 to match the skew, influence luminous efficiency, reduced the quality of lamps and lanterns. The bonding process is simple and efficient, the implementation mode is simple, and the method is suitable for practical production and application.

In the prior art, a free-standing lens 20 is provided, but the lens 20 is usually fixed on a support which is arranged above the LED lamp bead 11. This form of retention also relies on multiple mating alignments of the LED bead 11, the retention bracket and the lens 20, and still results in cumulative mating tolerances. And the sticky mode that this application adopted, lens 20 is direct to be aligned with LED lamp pearl 11, improves the accurate alignment of lens 20 and LED lamp pearl 11.

More specifically, can use the professional equipment of taking the probe and automatic calibration to realize the adhesion of lens 20 and lamp plate 10 one-to-one, but the center of equipment automated inspection LED lamp pearl 11 with lens 20 with LED lamp pearl 11 with the mode of center pin coincidence, place on lamp plate 10, lens 20 and lamp plate 10 adhesion are fixed then to the adhesive on lens 20. Use the alignment rate of improvement lens 20 and LED lamp pearl 11 that professional equipment can be very big, and do not receive the manual work and carry out the operation influence when the accessory combines, reduce the accumulative total fit tolerance that appears, improve lamps and lanterns optical property.

The adhesive used when the lens 20 is adhered to the lamp panel 10 is preferably a thermosetting adhesive, and after heating, liquid adhesive molecules can be further polymerized or crosslinked into a net structure to form an insoluble solid cross-linking layer to achieve the purpose of bonding; the adhesive strength is high, and the curing efficiency is high; the cured product is completely transparent, the light-emitting efficiency of the LED lamp bead 11 is not affected, the adhesion part is not yellowed or whitened for a long time, and the adhesive is a good adhesive in practical application.

In some preferred embodiments, the lens 20 may be selected to be a convex lens or a concave lens; lens 20's shape can be funnel-shaped, hemispherical or half oval button form, all has an internal cavity in order to hold LED lamp pearl 11, and the adhesion face is then the tangent plane of lens 20 opening face to make lens 20 back-off glue on lamp plate 10.

In some embodiments, since the lens 20 is fixed on the lamp panel 10 in an adhesion manner, there is a certain requirement for the area of the adhesion surface of the lens 20. The radius of the outer ring of the lens 20 adhesion surface is L1, the radius of the inner ring is L2, and the size of the lens 20 adhesion surface area is indirectly limited through the proportional relation between L2 and L1. L2: the range of L1 is selected from (1: the range of L1 is selected from (1. Further, the surface roughness Ra of the adhesion surface of the lens 20 is also required to be not less than 0.4 for better bonding with the adhesive.

In some embodiments, the material of the lens 20 may be selected from silicone, optical grade acrylic, optical grade PC, or optical glass. The materials have different advantages and disadvantages and can be adjusted according to actual application scenes, the design of the independent lens 20 is convenient for adjusting the shapes and materials of the different lenses 20 according to the use requirements, repeated model design is not needed, and the research and development of products are facilitated and the project period is shortened; and the independent research of the lens 20 is facilitated, and the research and development difficulty and period of the lens 20 are reduced.

Protection casing 30 sets up in lamp plate 10 top, and the shape setting is the same with lamp plate 10, is the cavity casing that has a take the altitude, is suitable for the electric wire shade of connecting lamp plate 10 and LED lamp pearl 11 inside, prevents that the electric wire that LED lamp pearl 11 are connected from exposing in the outside, increases the security that lamps and lanterns used, prevents that the electric wire damage from exposing the time user mistake and touching and electrocute and cause danger.

Referring to fig. 8 and 9, in some embodiments, the protective cover 30 is provided with through holes 31 corresponding to the lenses 20 one to one, and the diameter of the through holes 31 is larger than the diameter of the outer ring of the adhesive surface of the lenses 20, so that the convex portions of the lenses 20 pass through the through holes 31 and are exposed outside the protective cover 30. The through holes 31 are provided to ensure that the light refracted by the lens 20 is not blocked, and to protect the fine structure of the lamp panel 10 to the maximum extent.

In some preferred embodiments, the shield 30 is made of a material selected to be insulative and to have a hardness that is safe to protect a user from electrical shock, and the material has a hardness that prevents damage to the lamp from impact during transportation or installation. The protection casing 30 is connected for fixed with lamp plate 10, and available screw fixation is so that the user can not open easily and contact inside the protection casing 30, avoids the user to have the risk of electrocuteeing to and prevent that the user from touching and damaging lamps and lanterns.

The lamp panel 10 belongs to a housing part of the lamp, and a plurality of LED lamp beads 11 are fixedly arranged on the inner side of the lamp panel. The shape of the lamp panel 10 is adjusted according to the design of the lamp, and is usually rectangular, circular, fan-shaped, etc.; the lamp panel 10 is made of an insulating material with certain hardness, so that the lamp is not easy to deform and a user is not easy to get an electric shock. A plurality of LED lamp beads 11 are fixed on the lamp panel 10, and the connecting wires of the LED lamp beads 11 pass through the lamp panel 10 to be conductively connected with the external drive, so as to connect to an external circuit to provide electric energy for the LED lamp beads 11 to make them emit light. The connection mode of the LED lamp beads 11 and the lamp panel 10 and the series-parallel connection mode of the LED lamp beads 11 all belong to mature technologies, which are not described herein again.

In the production technology of lamps and lanterns, fix LED lamp pearl 11 on lamp plate 10 at first, adhesion that again corresponds independent lens 20 one by one with LED lamp pearl 11 is on lamp plate 10, and at last behind through-hole 31 and the 20 one-to-one of lens, establish protection casing 30 cover in lamp plate 10 top to make lens 20 expose outside protection casing 30 through-hole 31, LED lamp pearl 11 and lamp plate 10 are shaded inside protection casing 30.

Referring to fig. 10, in some embodiments, a diffuser plate 40 is further disposed above the shield 30, the diffuser plate 40 having a shape conforming to the shield 30, preferably a highly light transmissive PC material, and preferably having a thickness of 1-2mm. The diffusion plate 40 is provided to make the light refracted by the lens 20 softer and more uniform, thereby reducing the glare of the user.

In some embodiments, a lampshade 50 is further disposed outside the diffusion plate 40, and the lampshade 50 is adapted to cover the protection cover 30 and the diffusion plate 40 inside, and surrounds the protection cover and the diffusion plate 40 together with the lamp panel 10 to form a lamp housing structure. The lampshade 50 is preferably made of a material with good light transmittance, certain hardness and insulation, so that the light emitting efficiency of the lamp is ensured, and meanwhile, the lamp is protected from dust and water and a user is prevented from electric shock.

According to the lamp, the lens 20 is adhered to the lamp panel 10 independently corresponding to each LED lamp bead 11, and the alignment rate of the lens 20 and the LED lamp beads 11 can be improved by using professional equipment, so that the optical performance of the lamp is improved, and light deviation is avoided; in addition, the lens 20 is separated from the protective cover 30, so that the protective cover 30 can be manufactured independently, the shape of the protective cover 30 can be adjusted conveniently according to different lamp shapes or arrangement modes of the LED lamp beads 11, and cost reduction and efficiency improvement are achieved.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a LED lamp, its characterized in that, includes lamp plate and a plurality of independent lens, be provided with a plurality of LED lamp pearls on the lamp plate, each lens covers independently establishes each on the LED lamp pearl, lens use the adhesive with lamp plate adhesive bonding.

2. The LED light fixture of claim 1 wherein the adhesive is a thermoset adhesive.

3. The LED light fixture of claim 2 wherein the thermosetting adhesive is a UV glue.

4. The LED light fixture of claim 1 wherein the lens is coincident with the bead central axis.

5. The LED light fixture of claim 1 wherein the lens is a convex lens.

6. The LED lamp of claim 1, wherein the part of the lens adhered to the lamp panel is an adhesion surface, the outer ring radius of the adhesion surface is L1, the inner ring radius of the adhesion surface is L2, and the ratio of the inner ring radius of the adhesion surface to the outer ring radius of the adhesion surface is L2: l1 is (1.

7. The LED lamp of claim 6, wherein L2: l1 is (1.

8. The LED lamp according to claim 6, wherein the adhesive surface has a surface roughness Ra of not less than 0.4.

9. The LED lamp according to any one of claims 1-8, further comprising a protective cover, wherein the protective cover has a plurality of through holes, the through holes are located in a one-to-one correspondence with the lenses, and the diameter of the through holes is larger than the diameter of the lenses, so that the lenses pass through the through holes and are exposed outside the protective cover.

10. The LED lamp of claim 9, wherein the protective cover and the lamp panel are made of an insulating and hard material.