CN217082409U

CN217082409U - Optical assembly and lighting apparatus

Info

Publication number: CN217082409U
Application number: CN202220631080.0U
Authority: CN
Inventors: 周良; 姜君城; 廖启威
Original assignee: Zhejiang Bicom Optics Co ltd
Current assignee: Zhejiang Bicom Optics Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-29
Anticipated expiration: 2032-03-22

Abstract

The application relates to the technical field of optical lighting, and provides an optical assembly, which comprises: the micro light reflecting cup is provided with a light inlet end and a light outlet end which are oppositely arranged, the light inlet end is provided with a light source hole, the light outlet end is provided with an installation opening, the area of the light source hole is smaller than that of the installation opening, and the inner surface of the micro light reflecting cup is a light reflecting surface and is a free-form surface; the LED luminous body is arranged in the light source hole; and the convex lens is covered on the mounting opening and is clamped with the micro light reflecting cup. The application also provides a lighting device. The optical assembly and the lighting equipment have simple structures, are convenient to install and have better light-receiving effects.

Description

Optical assembly and lighting apparatus

Technical Field

The application relates to the technical field of optical lighting, in particular to an optical assembly and lighting equipment.

Background

At present, lighting equipment adopting an LED light source is widely applied to various aspects of life, and gradually replaces the traditional light source due to the characteristics of energy conservation and durability, but in certain specific occasions, the requirement on light spots of the lighting equipment is high, and the lighting equipment is required to have a light receiving effect. Therefore, some lighting devices can use the LED light source and the lens in a matching manner, but the installation process of the lens is complicated, so that the structure of the lighting device is complicated.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present application is to provide an optical assembly and a lighting apparatus with simple structure, easy installation and light receiving effect.

A first aspect of the present application provides an optical assembly comprising:

the micro light reflecting cup is provided with a light inlet end and a light outlet end which are oppositely arranged, the light inlet end is provided with a light source hole, the light outlet end is provided with an installation opening, the area of the light source hole is smaller than that of the installation opening, and the inner surface of the micro light reflecting cup is a light reflecting surface and is a free-form surface;

the LED luminous body is arranged in the light source hole;

and the convex lens is covered on the mounting opening and is clamped with the micro light reflecting cup.

In an embodiment of the application, the light-emitting end of the micro light-reflecting cup is provided with a first clamping portion, the periphery of the convex lens is provided with a second clamping portion, and the convex lens is clamped with the first clamping portion on the micro light-reflecting cup through the second clamping portion.

In one embodiment of the present application, one of the first clamping portion and the second clamping portion is a clamping hole, and the other is a clamping protrusion.

In an embodiment of the present application, the first clamping portion is a clamping hole disposed on an end surface of the light emitting end; the convex lens comprises a lens body and an edge part arranged on the peripheral side of the lens body, the edge part is attached to the end face of the light outlet end of the micro light reflecting cup, and the second clamping part is arranged on the edge part and faces towards the clamping protrusion on one side of the micro light reflecting cup.

In an embodiment of the present application, one of the first clamping portion and the second clamping portion is a sliding groove, and the other is a sliding block.

In an embodiment of the present application, the number of the first clamping portions is multiple, and the multiple first clamping portions are arranged at intervals along a peripheral edge of the light emitting end; the quantity of second joint portion is a plurality of and respectively with a plurality of first joint portion one-to-one sets up.

In one embodiment of the present application, the convex lens is a double convex lens, and the convex lens is an integrally molded structure.

A second aspect of the application proposes a lighting device comprising:

a plurality of optical assemblies as described in any embodiment of the first aspect;

and the LED luminous bodies in the optical assemblies are connected to the LED light source board.

In an embodiment of the application, the lighting device further includes a light distribution bracket arranged opposite to the LED light source board, the light distribution bracket array is provided with a plurality of mounting holes, and the plurality of micro light reflecting cups are respectively inserted into the corresponding mounting holes.

In an embodiment of the application, the lighting device further comprises a connecting piece, and two ends of the connecting piece are respectively connected with the light distribution bracket and the LED light source board.

The optical assembly comprises the micro light reflecting cup, the LED luminous body and the convex lens, and compared with a single lens structure, the optical assembly is provided with the micro light reflecting cup, so that the lighting effect of the optical assembly is improved; the combination of the micro reflecting cup and the convex lens plays roles in receiving light and reducing the angle of emergent light; moreover, the convex lens is connected to the micro light reflecting cup in a clamping manner, so that the mounting and dismounting processes are simple and convenient, the optical assembly has a simple structure, and different convex lenses are convenient to replace so as to realize different light receiving effects; the whole structure of the optical assembly can meet the arrangement requirement of the dense array light source. Therefore, the optical assembly is simple in structure, convenient to install and good in light-receiving effect.

Above-mentioned lighting apparatus includes a plurality of optical assembly and LED light source board, because every optical assembly's the less and similar with the size of LED luminous body of size, optical assembly can the array set up on LED light source board to above-mentioned lighting apparatus has higher luminance and better receipts light angle, and simple structure, equipment are convenient, applicable in multiple demand, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of an optical assembly provided in one embodiment of the present application;

FIG. 2 is an exploded perspective view of the optical assembly shown in FIG. 1;

FIG. 3 is a cross-sectional view of the optical assembly shown in FIG. 1;

FIG. 4 is a schematic view of an illumination effect of an optical assembly provided in one embodiment of the present application;

fig. 5 is a schematic perspective view of a lighting device provided in an embodiment of the present application;

fig. 6 is a schematic perspective view of the lighting device shown in fig. 5 with the LED light source board removed.

Description of the main element symbols:

100. a lighting device; 10. an optical component; 11. a micro light reflecting cup; 111. a light source hole; 112. an installation port; 113. a first clamping part; 12. an LED light emitter; 13. a convex lens; 131. a second clamping part; 132. a lens body; 133. an edge portion; 20. an LED light source board; 30. a light distribution bracket; 31. mounting holes; 40. a connecting member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings, which are examples. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated as a limitation on the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Embodiments of the first aspect of the present application provide an optical component, which is a micro light-receiving optical component. Referring to fig. 1 to 3, an embodiment of the present disclosure provides an optical assembly 10 including a micro reflective cup 11, an LED light emitter 12, and a convex lens 13.

The micro-reflective cup 11 is a reflective cup with the size similar to that of the single LED luminous body 12, and the size is smaller. The micro light reflecting cup 11 has a light inlet end and a light outlet end which are oppositely arranged, the light inlet end is provided with a light source hole 111, the light outlet end is provided with a mounting port 112, the area of the light source hole 111 is smaller than that of the mounting port 112, the inner surface of the micro light reflecting cup 11 is a light reflecting surface and is a free curved surface, therefore, the micro light reflecting cup 11 can reflect light rays emitted by the LED luminous body 12, and the micro light reflecting cup 11 matched with the convex lens 13 can play a role in receiving light.

The inner surface of the micro reflector 11 may be plated with a highly reflective metal layer, such as an aluminum layer, and the reflectivity of the inner surface may be more than 85%.

The LED luminary 12 is disposed in the light source hole 111. Optionally, the size of the LED light emitter 12 is matched with that of the light source hole 111, so that light emitted by the LED light emitter 12 can irradiate the micro reflective cup 11.

The convex lens 13 is covered on the mounting opening 112 and is clamped with the micro light reflecting cup 11, and the convex lens 13 has a light condensing effect. Through covering convex lens 13 on installing port 112, the light that miniature reflection of light cup 11 emitted shines convex lens 13, and convex lens 13 jets out outside optical component 10 after with light polymerization again, realizes receiving the effect of light. It can be understood that the LED light emitter 12 and the convex lens 13 can be coaxially disposed, and the lighting effect is high.

When the micro light reflecting cup 11 is installed, the micro light reflecting cup 11 is covered on the LED luminous body 12, so that the LED luminous body 12 is accommodated in the light source hole 111 of the micro light reflecting cup 11, and then the convex lens 13 is clamped on the installation opening 112 of the micro light reflecting cup 11; or, the convex lens 13 is firstly clamped on the mounting port 112 of the micro-reflective cup 11, and then the micro-reflective cup 11 connected with the convex lens 13 is fixed with the LED light-emitting body 12.

The principle of use of the optical assembly 10 is: part of light rays emitted by the LED luminous body 12 directly irradiate the convex lens 13, and other part of light rays irradiate the inner surface of the micro reflecting cup 11, wherein the inner surface of the micro reflecting cup 11 has high reflectivity, and the light rays are reflected to the convex lens 13; the convex lens 13 condenses the light and then emits the light out of the optical assembly 10, so that a good light receiving effect is achieved, and light supplement illumination with strong directivity is achieved.

The optical assembly 10 comprises a micro reflective cup 11, an LED luminous body 12 and a convex lens 13, and compared with a single lens structure, the optical assembly 10 is provided with the micro reflective cup 11, so that the light efficiency of the optical assembly 10 is improved; the combination of the micro light reflecting cup 11 and the convex lens 13 plays roles in receiving light and reducing the angle of emergent light; moreover, the convex lens 13 is connected to the micro light reflecting cup 11 in a clamping manner, so that the installation and disassembly processes are simple and convenient, the optical assembly 10 is simple in structure, and different convex lenses 13 can be replaced conveniently, so that different light receiving effects can be realized. The overall structure of the optical assembly 10 is small and approximately equal to the size of the LED light emitter 12, so that the optical assembly can meet the requirement of dense array light source arrangement. In summary, the optical assembly 10 has a simple structure, is easy to install, and has a good light-receiving effect.

As shown in fig. 2, the light-emitting end of the micro reflective cup 11 is provided with a first engaging portion 113, the periphery of the convex lens 13 is provided with a second engaging portion 131, and the convex lens 13 is engaged with the first engaging portion 113 of the micro reflective cup 11 via the second engaging portion 131. By adopting the above technical scheme, the convex lens 13 can be clamped with the first clamping portion 113 on the micro light reflecting cup 11 through the second clamping portion 131 arranged on the periphery of the convex lens, and the installation mode is simple and convenient. It is understood that the convex lens 13 may also be clamped with the micro reflective cup 11 by other means, for example, the convex lens 13 is integrally clamped in the mounting opening 112 of the micro reflective cup 11.

In one embodiment, one of the first engaging portion 113 and the second engaging portion 131 is a holding hole, and the other is a holding protrusion. The forming mode of the clamping protrusion and the clamping hole is simple, and the clamping effect is good. The clamping hole can be a circular hole cutting clamping protrusion which is a cylindrical protrusion, and it can be understood that the clamping hole and the clamping protrusion can also be in other shapes as long as the clamping hole and the clamping protrusion are matched in shape. In other embodiments, the first clamping portion 113 and the second clamping portion 131 can be other clamping structures, for example, both of them are hooks.

In this embodiment, the first clamping portion 113 is a clamping hole disposed on the end surface of the light-emitting end; the convex lens 13 includes a lens body 132 and an edge portion 133 disposed on the periphery of the lens body 132, the edge portion 133 is attached to the end surface of the light-emitting end of the micro reflector 11, and the second locking portion 131 is a locking protrusion disposed on one side of the edge portion 133 facing the micro reflector 11.

Through adopting above-mentioned technical scheme, the edge portion 133 of convex lens 13 can laminate in the terminal surface of miniature reflector cup 11, and the card that sets up on the edge portion 133 is held the protruding joint and is held downtheholely in miniature reflector cup 11's card simultaneously, and above-mentioned optical assembly 10's volume is less. It can be understood that the first engaging portion 113 can also be a engaging protrusion, and the second engaging portion 131 can be an engaging hole; or, the second clamping portion 131 is a clamping protrusion, and the second clamping portion 131 is disposed on the side surface of the convex lens 13.

In another embodiment, one of the first engaging portion 113 and the second engaging portion 131 is a sliding slot, and the other is a sliding block slidably connected to the sliding slot. So, sliding connection can be realized with second joint portion 131 to first joint portion 113 to can set up spacing portion at the tip of spout, the slider can be held in spacing portion by the card, in order to play the positioning action, avoids first joint portion 113 and second joint portion 131 phase separation.

Optionally, the number of the first clamping portions 113 is multiple, and the multiple first clamping portions 113 are arranged at intervals along the periphery of the light emitting end; the number of the second clamping portions 131 is plural and is respectively arranged corresponding to the plural first clamping portions 113 one by one. Through setting up a plurality of first joint portions 113 and a plurality of second joint portions 131, can make the connection of miniature reflection of light cup 11 and convex lens 13 comparatively stable.

Optionally, the convex lens 13 is a biconvex lens, and the convex lens 13 is an integrally formed structure. So, lenticular lens 13 has better spotlight effect to, the second joint portion 131 that sets up on the lenticular lens 13 is the integrated into one piece structure with lens body 132, convenient preparation, and structural strength is higher.

As an alternative of the embodiment, the convex lens 13 uses a PMMA (PolyMethyl MethAcrylate) lens, or alternatively, the convex lens 13 uses a PC (PolyCarbonate) lens.

Referring to fig. 4, fig. 4 illustrates an illumination effect of the optical assembly 10 in an embodiment, in which the optical assembly 10 can form a circular light spot, and the light spot is smaller and has a better light receiving effect. In one embodiment, the light exit angle of the optical assembly 10 is in the range of 18-25.

Referring to fig. 5, a second aspect of the present application provides an illumination apparatus 100, which includes a plurality of optical assemblies 10 and LED light source boards 20 provided in the first aspect; the LED luminaries 12 in the plurality of optical assemblies 10 are all connected to the LED light source board 20, and the LED light source board 20 is used for controlling the light emitting states of the LED luminaries 12. Optionally, each LED luminary 12 is respectively soldered to the LED light source board 20.

As shown in fig. 3 and fig. 5, in the present embodiment, the plurality of optical assemblies 10 are arranged on the LED light source board 20 in an array manner, the micro reflective cups 11 are attached to the LED light source board 20, and the LED light emitters 12 are received in the light source holes 111 of the micro reflective cups 11, so that the light emitted by the LED light emitters 12 all exits toward the interior of the micro reflective cups 11.

The lighting device 100 includes a plurality of optical assemblies 10 and an LED light source board 20, and since each optical assembly 10 has a small size and is similar to the LED light emitter 12, the optical assemblies 10 can be arranged on the LED light source board 20 in an array, so that the lighting device has high brightness and good light-receiving angle, and is suitable for various scenes.

It is understood that the optical assembly 10 may be arranged in an array, or may be arranged in a specific shape, such as a circle, and the like, which is not limited in this application.

Referring to fig. 5 and 6, the lighting device 100 further includes a light distribution bracket 30 disposed opposite to the LED light source board 20, the light distribution bracket 30 is provided with a plurality of mounting holes 31 in an array, and the plurality of micro light-reflecting cups 11 are respectively inserted into the corresponding mounting holes 31.

In an embodiment, the plurality of micro light reflecting cups 11 are fixedly connected to the light distribution bracket 30, when the lighting device is assembled, the convex lens 13 and the micro light reflecting cups 11 are firstly clamped, and then the light distribution bracket 30 connected with the plurality of micro light reflecting cups 11 is directly mounted on the LED light source board 20, so that the assembly of the lighting device 100 can be completed. By adopting the technical scheme, the plurality of micro reflecting cups 11 and the light distribution bracket 30 can be installed as a whole, so that the assembly process is further simplified.

In another embodiment, the light distribution bracket 30 and the LED light source board 20 may be connected first, so that the mounting holes 31 in the light distribution bracket 30 and the LED light emitters 12 are arranged in a one-to-one correspondence, and then the plurality of micro light-reflecting cups 11 are sequentially mounted in the mounting holes 31, thereby completing the assembly of the lighting device 100.

The lighting device 100 comprises the light distribution support 30, the micro reflector 11 can be installed through the light distribution support 30, the limiting effect on the micro reflector 11 is achieved, and the assembling process is simplified.

Optionally, the lighting device 100 further includes a connector 40, and two ends of the connector 40 are respectively connected to the light distribution bracket 30 and the LED light source board 20. The light distribution support 30 and the LED light source plate 20 are oppositely arranged and fixedly connected through the connecting piece 40, and the connecting piece 40 can be a connecting column, but is not limited to the connecting column. For example, the connector 40 may be a connection frame connected to the LED light source plate 20 and the circumferential side of the light distribution bracket 30, and it is understood that the connector 40 may have another structure as long as the light distribution bracket 30 and the LED light source plate 20 can be fixedly connected.

Optionally, the lighting device 100 further comprises a heat dissipation element (not shown), which may be disposed on a side of the LED light source board facing away from the micro reflective cup 11.

The lighting device 100 includes a plurality of optical assemblies 10 and LED light source boards 20, has high brightness and good light-receiving angle, is simple in structure, convenient to assemble, applicable to various needs, and strong in practicability.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.

Claims

1. An optical assembly, comprising:

the LED luminous body is arranged in the light source hole;

2. The optical assembly according to claim 1, wherein the light-emitting end of the micro light-reflecting cup is provided with a first clamping portion, the periphery of the convex lens is provided with a second clamping portion, and the convex lens is clamped with the first clamping portion of the micro light-reflecting cup through the second clamping portion.

3. The optical assembly of claim 2, wherein one of the first and second clamping portions is a clamping hole and the other is a clamping protrusion.

4. The optical assembly according to claim 3, wherein the first engaging portion is a holding hole formed in the end surface of the light-emitting end; the convex lens comprises a lens body and an edge part arranged on the peripheral side of the lens body, the edge part is attached to the end face of the light outlet end of the micro light reflecting cup, and the second clamping part is arranged on the edge part and faces the micro light reflecting cup.

5. The optical assembly of claim 2, wherein one of the first and second clamping portions is a sliding groove, and the other is a sliding block.

6. The optical assembly according to any one of claims 2 to 5, wherein the number of the first clamping portions is plural, and the plural first clamping portions are arranged at intervals along the periphery of the light emitting end; the quantity of second joint portion is a plurality of and respectively with a plurality of first joint portion one-to-one sets up.

7. An optical assembly according to any one of claims 1 to 5 wherein the convex lens is a biconvex lens and the convex lens is of unitary construction.

8. An illumination device, comprising:

a plurality of optical assemblies as claimed in any one of claims 1 to 7;

9. The illumination device as recited in claim 8, further comprising a light distribution bracket disposed opposite to the LED light source board, wherein the light distribution bracket array is provided with a plurality of mounting holes, and a plurality of the micro light-reflecting cups are respectively inserted into the corresponding mounting holes.

10. The illumination device as recited in claim 9, further comprising a connecting member, wherein both ends of the connecting member connect the light distribution bracket and the LED light source board, respectively.