CN210050655U - Lamp assembly with small light emitting holes and lamp - Google Patents

Abstract

The utility model discloses a lamps and lanterns subassembly and lamps and lanterns with light-emitting aperture belongs to anti-dazzle lighting equipment field. The utility model discloses a lamp assembly, the portion that clamps through in the light-emitting cover cooperatees with the spacing portion of evagination on the optical element, clamps optical element in the light-emitting cover to the messenger reachs the light-emitting cover and assembles into a body structure with optical element, can fix optical element and light-emitting cover more steadily, only need simultaneously in the installation of lamps and lanterns with this lamp assembly direct mount on the lamp stand, improved the production efficiency of lamps and lanterns. The lamp of the utility model comprises a lamp component, a lamp holder and a light source, is convenient to install and has higher efficiency; and the light source and the optical element are both positioned in the light-emitting cover, so that only light rays emitted from the light-emitting hole can be seen visually, but the light source cannot be seen, and the anti-dazzle effect is better.

Description

Lamp assembly with small light emitting holes and lamp

Technical Field

The utility model relates to an anti-dazzle lighting device technical field, more specifically say, relate to a lamps and lanterns subassembly and lamps and lanterns with light-emitting aperture.

Background

As a new light source, LEDs have become mainstream lighting sources due to their advantages of environmental protection, high light efficiency, long life, and the like. The LED is generally a single-sided light emitting body with a light emitting angle of about 120 degrees, and the light emitting size is relatively concentrated, so that it is easier to achieve ideal light distribution through optical design compared with a conventional light source.

When LEDs are used as illumination light sources, unfavorable luminance distribution tends to occur in the human visual field, or extreme luminance contrast exists in the illumination space, so that visual conditions causing visual discomfort to humans and reducing visibility of objects in the illumination space, which visual phenomenon is called glare.

The main anti-glare scheme of the LED lamp generally includes adding a light barrier or a grating in front of the lamp, but this common method often reduces the light-emitting efficiency of the LED lamp and also affects the visual effect of the lamp. In addition, another feasible method is reported in the prior art, and the method is to arrange a lens in the lamp and eliminate the glare phenomenon generated by the LED lamp by arranging an anti-glare light-emitting cover.

For example, the invention applied by the applicant in 2017, 4/13/comprises a chinese patent document (application No. 2017203866113) entitled small-hole light-emitting lamp with controllable shading angle, the lamp of the application comprises a lamp holder with a light source and a light-emitting cover, one end of the light cover is connected with the lamp holder, the other end of the light cover is provided with a light-emitting hole, the size of the light-emitting hole is equal to or larger than that of the light-emitting surface of the light source, and the shading area of the light-emitting cover does not exceed the area formed by the outermost light rays of; an optical element including a light-condensing element and a convex lens or a Fresnel lens, wherein the light-condensing element is a TIR lens, a reflective cup or a Fresnel lens, and the light source is located at the focal point O of the light-condensing element ₁At the focal point O of the convex lens ₂Corresponding to the surface of the light outlet hole.

However, in the processing process of the lamp, when the lamp is designed and installed by arranging the plurality of LED light-emitting assemblies, the lens needs to be fixed by matching the lamp holder with the light outlet cover, the fixing effect is poor, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome lens need be fixed and not stable enough through light-emitting cover and lamp stand cooperation when installing LED lamps and lanterns among the prior art, provide a lamps and lanterns subassembly with light-emitting aperture. The light outlet cover and the optical element are integrated into a combined piece, so that the optical element can be more stably arranged in the light outlet cover. Another object of the utility model is to provide a lamp, including lamp subassembly, lamp stand and light source, it is more convenient during the installation, and efficiency is higher.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a lamp assembly with light-emitting aperture, including light-emitting cover and optical element, the light-emitting end of light-emitting cover has seted up the light-emitting aperture, optical element has bottom focus and top focus, the light that sends from bottom focus passes through optical element and then converges in top focus, and top focus corresponds with the face that the light-emitting aperture is located; the outer side wall of the optical element is provided with a convex limiting part, the inner side wall of the light outgoing cover is provided with a clamping part, the limiting part is matched with the clamping part so as to fix the light outgoing cover and the optical element, the light outgoing cover and the optical element are assembled into an integrated assembly, the optical element and the light outgoing cover can be more stably fixed, and meanwhile, only the lamp assembly needs to be directly installed on a lamp holder in the installation process of the lamp, so that the production efficiency of the lamp is improved.

Furthermore, the limiting part is provided with an external thread, the clamping part is provided with an internal thread, and the assembly of the photomask and the optical element is realized through the threaded engagement of the limiting part and the clamping part.

Further, the limiting portion is a limiting strip, the limiting strip is arranged along the circumferential direction of the optical element, a limiting groove is formed in the clamping portion, and the limiting strip is clamped in the limiting groove.

Furthermore, the limiting groove is formed by a limiting step and a limiting bulge in a surrounding mode, an inclined plane is arranged on the limiting bulge, and the limiting strip is clamped between the limiting step and the limiting bulge from the inclined plane.

Furthermore, the limiting strip is annular, and a limiting notch is formed in the limiting strip; the limiting groove is formed by surrounding a limiting step and a limiting bulge, the limiting bulge is clamped into the limiting notch from the limiting notch, and the limiting bulge and the limiting notch are mutually staggered to realize clamping.

Further, the light outlet hole is circular or elliptical, and the size of the light outlet hole is smaller than 1/2 of the corresponding size of the optical element.

Further, the optical element comprises a condensing lens and a light-emitting lens, the condensing lens is a TIR lens, and the condensing lens and the light-emitting lens are of an integrated structure.

Furthermore, the upper side surface of the light-emitting lens is a hyperbolic paraboloid and is provided with a stripe structure.

Furthermore, the upper side surface of the light-emitting lens is concave, and the concave inner surface is provided with the bead surface structure, so that light rays emitted from the bottom focus of the optical element can be converged in a certain area after passing through the optical element instead of being converged at the top focus of the optical element, light spots formed are more uniform, and the anti-dazzle effect of the lamp is improved.

The utility model discloses a lamp, including foretell lamp assembly to and the lamp stand, be provided with the light source on the lamp stand, lamp assembly installs on the lamp stand, just the light source is located optical element's bottom focus department. When the anti-dazzle device is used, the light source and the optical element are both positioned in the light outlet cover, and only light rays emitted from the light outlet hole can be seen visually, but the light source cannot be seen, so that the anti-dazzle device has a good anti-dazzle effect.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a lamp assembly, the portion that clamps through in the light-emitting cover cooperatees with the spacing portion of evagination on the optical element, clamps optical element in the light-emitting cover to the messenger reachs the light-emitting cover and assembles into a body structure with optical element, can fix optical element and light-emitting cover more steadily, only need simultaneously in the installation of lamps and lanterns with this lamp assembly direct mount on the lamp stand, improved the production efficiency of lamps and lanterns.

(2) In the utility model, the limiting strip on the optical element is matched with the limiting groove on the inner side wall of the light-emitting cover, and the limiting strip is clamped in the limiting groove, so that the optical element and the light-emitting cover can be more stably fixed; spacing is the annular structure, and has seted up spacing breach on the spacing, and when assembling out light cover and optical element, the stopper is gone into from this spacing breach department card, has improved the packaging efficiency, staggers stopper and spacing breach through the mode of rotating optical element after the equipment, prevents that optical element from droing.

(3) The utility model discloses well optical element includes condensing lens and light-emitting lens, and the side indent is gone up to the light-emitting lens, and is provided with the pearl face structure on the interior concave surface for the light that sends from optical element's bottom focus can converge in certain area behind optical element, rather than converging in optical element's top focus department, thereby makes the facula of formation more even, improves the anti-dazzle effect of lamps and lanterns.

(4) The lamp comprises the lamp component and the lamp holder provided with the light source, the light-emitting cover can be directly arranged on the lamp holder during assembly, and the light source is positioned at the bottom focus of the optical element, so that the installation is convenient, and the efficiency is higher; and the light source and the optical element are both positioned in the light-emitting cover, so that only light rays emitted from the light-emitting hole can be seen visually, but the light source cannot be seen, and the anti-dazzle effect is better.

Drawings

Fig. 1 is a schematic structural view of a lamp assembly of the present invention;

fig. 2 is a schematic structural view of a circular light-emitting hole in the present invention;

FIG. 3 is a schematic structural view of the oval light-emitting hole of the present invention;

FIG. 4 is a schematic view of the threaded connection between the light-emitting cover and the optical device;

FIG. 5 is a schematic view of a snap-fit connection between the light-emitting cover and the optical device;

FIG. 6 is a schematic view of the manner of engagement of the limiting protrusion and the limiting notch;

FIG. 7 is a schematic view of a structure of a limiting notch;

FIG. 8 is a schematic view of a split type light-emitting cover and an optical device fixing method;

fig. 9 is a schematic structural diagram of a butterfly-shaped optical element;

FIG. 10 is a schematic view of a saddle-shaped optical element;

fig. 11 is a schematic view of the lamp structure of the present invention.

The reference numerals in the schematic drawings illustrate: 1. a lamp socket; 11. a light source; 2. a light cover is discharged; 21. a light exit hole; 22. a limiting step; 23. A limiting bulge; 24. a limiting groove; 3. an optical element; 31. a limiting strip; 32. and limiting the gap.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, proportion, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essence, and any structural modification, proportion relation change or size adjustment should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.

Example 1

With reference to fig. 1, the lamp assembly with light exiting holes of the present embodiment specifically includes a light exiting cover 2 and an optical element 3, wherein the optical element 3 is installed in the light exiting cover 2, so as to form an integrated assembly with the light exiting cover 2.

Specifically, the light outgoing cover 2 can be a cylindrical structure and comprises a mounting end and a light outgoing end, the light outgoing cover 2 can be mounted on the lamp holder through the mounting end, and the light outgoing cover 2 is provided with a light outgoing hole 21. The size of the light exit hole 21 may be smaller than 1/2 corresponding to the size of the optical element 3, and the side wall of the light exit cover 2 is located outside the area surrounded by the outermost light of the light exit lens, so as to prevent the light exit cover 2 from blocking part of the light, and reduce the light exit efficiency of the lamp.

The size of the light exit hole 21 in this embodiment refers to the maximum size of the light exit hole, and the shape of the light exit hole 21 may be a regular shape, such as a circle, or an ellipse, or a rectangle. Referring to fig. 2 and 3, when the light exit hole 21 is a circular hole, the maximum size refers to the diameter size of the circular hole; when the light exit hole 21 is elliptical, the maximum dimension refers to the length of the minor axis of the elliptical aperture; when the light exit hole 21 is rectangular, the maximum size refers to the width of the rectangular hole.

The optical element 3 includes two parts, i.e., a condensing lens and a light-emitting lens, which are integrated into a single structure. The light-condensing lens can be a TIR lens, and the light-emitting lens can be a plano-convex lens, a biconvex lens or a Fresnel convex lens. Referring to fig. 1, the optical element 3 has a bottom focal point O ₁And a top focal point O ₂From said bottom focal point O ₁Can be focused at the top focal point O after the emitted light is refracted by the optical element 3 ₂I.e. the light rays refracted by the optical element 3 exhibit an hourglass-like distribution. Top focal point O of optical element 3 ₂Corresponding to the plane of the light-emitting aperture 21, i.e. the top focal point O ₂The light outlet 21 is located on the plane of the light outlet 21 or has a certain distance difference, and the light outlet 21 can be located within 8mm above and below the focal plane.

In addition, the optical element 3 may also be a lens with bifocal points commonly used in the related art, such as the optical element disclosed in chinese patent application No. 2015207502494, and the optical element disclosed in chinese patent application No. 2017203866113.

The outer side wall of the optical element 3 of the embodiment is provided with a convex limiting part, the inner side wall of the light-emitting cover 2 is provided with a clamping part, and the limiting part and the clamping part can be meshed with each other or clamped with each other, so that the light cover 2 and the optical element 3 are assembled into an integrated assembly.

Specifically, referring to fig. 4, an external thread may be formed on the limiting portion, and an internal thread may be formed on the clamping portion, and the external thread and the internal thread may be engaged with each other, thereby assembling the mask 2 and the optical element 3. The inner side wall of the light outgoing cover 2 is provided with a limiting mechanism, specifically a step, a convex point or a convex block, the limiting mechanism is positioned at the tail end of the threaded section of the clamping part, when the light outgoing cover 2 and the optical element 3 are assembled, the optical element 3 is screwed into the light outgoing cover 2, and the upper end of the limiting part of the optical element 3 can be abutted against the limiting mechanism, so that the inward maximum screwing-in degree of the optical element 3 is limited.

Referring to fig. 11, the lamp specifically includes a lamp assembly, a lamp socket 1 and a light source 11, where the lamp assembly and the light source 11 are both mounted on the lamp socket 1, and the light source 11 is located at a bottom focus O of the optical element 3 ₁To (3). The specific shape and size of the lamp socket 1 are not limited. A plurality of lamp assemblies can be mounted on the lamp socket 1 of the present embodiment to form a lamp group. When the lamp of the embodiment is used, the light source 11 and the optical element 3 are both positioned in the light outlet cover 2, and only light rays emitted from the light outlet hole 21 can be seen visually, but the light source cannot be seen, so that the lamp of the embodiment has a good anti-glare effect.

Example 2

In the present embodiment, the limiting portion of the optical element 3 is specifically a limiting strip 31, the limiting strip 31 is disposed along the circumferential direction of the outer sidewall of the optical element 3, and may specifically surround the outer sidewall of the optical element 3 for one circle to form a closed annular limiting strip 31, or at least one limiting strip 31, such as one or two, that is disposed discontinuously, and the limiting strips 31 may be distributed on the outer sidewall of the optical element 3 at equal intervals. The inner side wall of the light-emitting cover 2 is provided with a limiting groove 24, the limiting groove 24 can surround the inner side wall of the light-emitting cover 2 for a circle, and also can be a plurality of limiting grooves 24 which are distributed on the inner side wall of the light-emitting cover 2 at equal intervals, and the limiting grooves correspond to the limiting strips 31 in shape and position, so that the limiting strips 31 can be clamped in the limiting grooves, and the light-emitting cover 2 and the optical element 3 can be assembled.

Referring to fig. 5, the limiting groove 24 is defined by the limiting step 22 and the limiting protrusion 23, and the limiting strip 31 can be clamped between the limiting step 22 and the limiting protrusion 23. The limiting step 22 may be a limiting structure generated by the inner diameter of the light-emitting cover 2 changing intermittently, and preferably, it may be disposed around a circle of the inner side wall of the light-emitting cover 2. The limiting protrusion 23 may be an annular structure arranged around the inner side wall of the light exit cover 2 in a circle, or may be a plurality of protruding blocks distributed along the circumferential direction of the inner side wall of the light exit cover 2.

As further optimization, the limiting protrusions 23 are a plurality of bumps, specifically two bumps, distributed along the circumferential direction of the inner side wall of the light-emitting cover 2, and symmetrically distributed on the inner side wall of the light-emitting cover 2. The limiting protrusion 23 is provided with an inclined surface, the inclined surface is arranged towards the mounting end of the light outgoing cover 2, the limiting strip 31 is also provided with an inclined surface, and the inclined surface is arranged towards the light outgoing section of the light outgoing cover 2. When the optical cover 2 and the optical element 3 are assembled, the inclined plane of the optical cover 2 can be matched with the inclined plane of the optical element 3, so that the limiting strip 31 can be conveniently clamped between the limiting step 22 and the limiting bulge 23.

Example 3

Referring to fig. 6 and 7, in the present embodiment, the limiting strip 31 is an annular structure, and at least one limiting notch 32, specifically one, two, or three, is formed on the limiting strip 31; meanwhile, the shape and the position of the limiting protrusions 23 arranged on the inner side wall of the light outgoing cover 2 should correspond to the limiting notches 32, and the number of the limiting protrusions should be no more than the number of the limiting notches 32. When the light shield 2 and the optical element 3 are assembled, the limiting bulge 23 is clamped in from the limiting notch 32; after the assembly is completed, the limiting protrusion 23 and the limiting notch 32 are staggered to realize clamping, so that the optical element 3 is prevented from falling off from the light-emitting cover 2.

Example 4

Referring to fig. 8, in the present embodiment, the light exiting cover 2 may be composed of two detachable parts, that is, the light exiting cover 2 is a split structure, and specifically may be composed of a top cover and a base which are connected. The top cover is provided with a connecting part, the connecting part is positioned at the lower side of the top cover, and the inner diameter of the connecting part is larger than that of the top cover; the base is provided with a clamping part, the clamping part is positioned on the upper side of the base, the outer diameter of the clamping part corresponds to the inner diameter of the connecting part, and the inner diameter of the clamping part is larger than that of the top cover. The connecting part and the clamping part can be in threaded connection, an internal thread can be arranged on the connecting part, an external thread is arranged on the clamping part, and the internal thread and the external thread can be meshed with each other. In addition, a limiting bulge 23 is arranged on the inner side wall of the base, and the limiting bulge 23 is positioned at the lower side of the clamping part. After the top cover and the base are assembled, the inner side wall of the top cover and the inner side wall of the clamping portion can form a limiting step 22, the limiting bulge 23 and the limiting step 22 form a limiting groove, and the limiting strip 31 of the optical element 3 can be clamped in the limiting groove, so that the fixation of the optical cover 2 and the optical element 3 is realized.

Example 5

Referring to fig. 9, in the present embodiment, the optical element 3 is a rotational geometry structure formed by rotating a plane figure having a butterfly-shaped cross section by one rotation around a normal line thereof. The upper surface of the optical element 3 is concave, and a bead surface structure is arranged on the concave surface and can enable formed light spots to be more uniform. Furthermore, the structure enables the top focal point O of the optical element 3 ₂The size becomes larger and the light is refracted by the optical element 3 and then converged to a certain area. It should be noted that the size of the area should be smaller than the corresponding size of the light-emitting hole 21 of the light-emitting cover 2.

Example 6

Referring to fig. 7 and 10, in the present embodiment, the lower half of the optical element 3 may be the same as that of embodiment 4, i.e., the condenser lens structures of both are the same. However, the upper side surface of the light-emitting lens of the embodiment is a hyperbolic paraboloid structure, that is, the thickness of the two sides of the light-emitting lens is greater than that of the middle part of the light-emitting lens, and the upper side surface is saddle-shaped as a whole. Meanwhile, the upper side surface of the light-emitting lens is provided with the stripe structure, light spots formed after the light is refracted by the optical element 3 are more uniform, and the structure can play a better anti-glare role.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (10)

1. A lamp assembly with a light outlet hole comprises a light outlet cover (2) and an optical element (3), wherein the light outlet end of the light outlet cover (2) is provided with the light outlet hole (21), the optical element (3) is provided with a bottom focus and a top focus, light emitted from the bottom focus is converged at the top focus after passing through the optical element (3), and the top focus corresponds to the surface of the light outlet hole (21); the method is characterized in that: the outer side wall of the optical element (3) is provided with a convex limiting part, the inner side wall of the light outlet cover (2) is provided with a clamping part, and the limiting part is matched with the clamping part so as to fix the light outlet cover (2) and the optical element (3).

2. A light fixture assembly with exit apertures as defined in claim 1, wherein: the limiting portion is provided with an external thread, the clamping portion is provided with an internal thread, and the photomask (2) and the optical element (3) are assembled by meshing the limiting portion and the clamping portion.

3. A light fixture assembly with exit apertures as defined in claim 1, wherein: the limiting part is a limiting strip (31), the limiting strip (31) is arranged along the circumferential direction of the optical element (3), a limiting groove (24) is formed in the clamping part, and the limiting strip (31) is clamped in the limiting groove (24).

4. A light fixture assembly with exit apertures as defined in claim 3, wherein: the limiting groove (24) is defined by a limiting step (22) and a limiting bulge (23), an inclined plane is arranged on the limiting bulge (23), and the limiting strip (31) is clamped between the limiting step (22) and the limiting bulge (23) from the inclined plane.

5. A light fixture assembly with exit apertures as defined in claim 3, wherein: the limiting strip (31) is annular, and a limiting notch (32) is formed in the limiting strip (31); spacing groove (24) are enclosed by spacing step (22) and spacing arch (23), spacing arch (23) are gone into the back from spacing breach (32) card, and spacing arch (23) stagger each other with spacing breach (32) in order to realize the block.

6. A light fixture assembly with exit apertures as defined in claim 1, wherein: the light outlet hole (21) is circular or elliptical, and the size of the light outlet hole (21) is smaller than 1/2 of the corresponding size of the optical element (3).

7. A light fixture assembly with exit apertures as defined in claim 1, wherein: the optical element (3) comprises a condensing lens and a light-emitting lens, wherein the condensing lens is a TIR lens, and the condensing lens and the light-emitting lens are of an integrated structure.

8. The lamp assembly of claim 7, wherein: the upper side surface of the light-emitting lens is a hyperbolic paraboloid and is provided with a stripe structure.

9. The lamp assembly of claim 7, wherein: the upper side surface of the light-emitting lens is concave, and a bead surface structure is arranged on the concave surface.

10. A light fixture, characterized by: comprising a lamp assembly according to any one of claims 1 to 9, and a lamp holder (1), wherein a light source (11) is arranged on the lamp holder (1), the lamp assembly is mounted on the lamp holder (1), and the light source (11) is located at the bottom focus of the optical element (3).

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