CN215112132U

CN215112132U - Optical module, optical module and optical control module

Info

Publication number: CN215112132U
Application number: CN202120632975.1U
Authority: CN
Inventors: 刘红举; 饶汉鑫
Original assignee: Shenzhen Eastfield Lighting Co Ltd
Current assignee: Shenzhen Eastfield Lighting Co Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-10
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to an optical module, an optical assembly and an optical control assembly, wherein the optical module comprises an LED lamp assembly, and the LED lamp assembly comprises a plurality of LED lamps; the LED lamp assembly is arranged at the bottom of the reflecting cover, the reflecting cover comprises a top plate and side plates, a plurality of reflecting surfaces are arranged on the inner wall of the top plate, the top plate is bent from the bottom of the reflecting cover to the opening of the reflecting cover, and the side plates are arranged on two sides of the top plate; the reflecting plate is connected with the side plate, and the reflecting plate, the side plate and the top plate form a reflecting light cavity. The optical assembly provided by the application is provided with at least two light-emitting units, each light-emitting unit comprises a plurality of optical modules which are arranged in an array mode, and the optical modules in different light-emitting units are provided with different reflective light cavities, so that various optical modules can be integrated on the optical assembly, and various types of light can be formed through the optical modules, so that different application scenes can be met, and the market competitiveness of products can be further improved; the lamp light interaction can be improved by matching with different switches.

Description

Optical module, optical module and optical control module

Technical Field

The utility model relates to a LED lamp technical field especially relates to an optical module, optical assembly and optical control subassembly.

Background

In recent years, due to the continuous development of semiconductor technology, the market of LED indoor lighting is gradually developed from a replaceable bulb lamp to a professional and high-added-value lamp; for the field of outdoor lighting, the application scenarios of high power, low glare, large range and high uniformity are gradually developed from road lighting toward stadium lighting. Thus, the lighting requirements for different sports fields, for example: track and field illumination, stadium illumination and arena illumination need to be matched with different light distribution designs to obtain the optimal illumination configuration.

At present, most of the stadium lighting fixtures in the market are adjusted only for the size of the beam angle, but the light shape is mostly the light distribution characteristic of axial symmetry. The lighting lamp is used in a stadium and is easy to generate glare, so that athletes and judges cannot see the field condition clearly, and on the other hand, part of high-power lamps have enough light output lumens, but the illumination or the brightness of the illuminated range is still insufficient, because the light shape of the light distribution is not designed well, and unnecessary light pollution is caused, the proper light distribution not only meets the basic lighting, but also considers the energy-saving target of the effective utilization of the light source and the safety requirement of low glare; in addition, from the current market products, an LED lamp generally has only one light type, and can only meet the lighting requirement of one scene, and different light types need to be developed to meet different requirements for different scenes, which causes the rise of the development cost of the lamp. Therefore, the development of dimmable light fixtures is an urgent need in the market.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an optical module, an optical assembly and an optical control assembly for solving the problems that the existing LED lighting lamp has a single light type, is easy to generate glare, and cannot meet different application scenes.

An optical module comprising an LED lamp assembly comprising a plurality of LED lamps; the LED lamp assembly is arranged at the bottom of the reflecting cover, the reflecting cover comprises a top plate and side plates, the inner wall of the top plate is provided with a plurality of reflecting surfaces, the top plate is bent from the bottom of the reflecting cover to the opening of the reflecting cover, and the side plates are arranged on two sides of the top plate; the reflecting plate is connected with the side plate, and the reflecting plate, the side plate and the top plate form a reflecting light cavity.

Furthermore, a light-gathering surface is arranged on the side plate, and the light-gathering surfaces which are arranged oppositely are gradually close to each other from the opening to the bottom of the reflector.

Further, the plurality of reflecting surfaces have different inclination angles in the direction of the exit optical axis of the LED lamp.

Further, the plurality of reflecting surfaces are arranged in parallel.

Furthermore, a plurality of the LED lamps are arranged in a row, and two end parts of the reflecting surface are respectively connected with the side plates.

Furthermore, the light-gathering surface and the reflecting surface are provided with reflecting films made of the same materials or different materials.

Further, a high-strength reflective film is arranged on the reflector.

Further, an optical assembly is provided, which includes the above optical module, including at least two kinds of light emitting units, each of the light emitting units including a plurality of the optical modules arranged in an array, the optical modules in different light emitting units having different reflective covers.

Further, the LED lamp also comprises a bottom plate, and the light-emitting unit is arranged on the bottom plate.

Further, an optical control assembly is provided for controlling the optical assembly described above, including switches respectively controlling the different optical modules.

The optical module comprises an LED lamp assembly, a reflecting cover and a reflecting plate, wherein the reflecting cover comprises a top plate and a side plate, a reflecting light cavity of an LED lamp is formed by the top plate, the side plate and the reflecting plate, a plurality of reflecting surfaces are arranged on the inner wall of the top plate of the reflecting cover, the top plate is bent from the bottom of the reflecting cover to an opening of the reflecting cover, the assembly comprising the LED lamp is arranged at the bottom of the reflecting cover, light rays emitted by the LED lamp are reflected for multiple times through the inner wall of the reflecting cover and the reflecting plate, and finally an asymmetric triangular light shape is formed; the optical design of the asymmetric triangular light shape is suitable for occasions requiring high vertical surface illumination uniformity, such as museums, businesses, outdoor lighting and the like, and can reduce the glare value and light pollution to achieve better illumination uniformity.

The optical assembly provided by the application is provided with at least two light-emitting units, each light-emitting unit comprises a plurality of optical modules which are arranged in an array mode, and the optical modules in different light-emitting units are provided with different reflective light cavities, so that various optical modules can be integrated on the optical assembly, and various types of light can be formed through the optical modules, so that different application scenes can be met, and the market competitiveness of products can be further improved; the application provides an optical assembly can cooperate different switches, realizes optical module's different illuminating effect according to the applied scene of difference, promotes the interaction of light.

Drawings

FIG. 1A is a schematic diagram of light reflection in a main viewing direction of an optical module according to an embodiment of the present disclosure;

FIG. 1B is a schematic side view of a light reflection in a side view of an optical module according to an embodiment of the present disclosure;

FIG. 2 is a perspective view of an optical module according to one embodiment of the present application;

FIG. 3 is a perspective view of an optical assembly according to one embodiment of the present application;

FIG. 4 is a side view of an optical assembly according to one embodiment of the present application.

10, an optical module, 11, an LED lamp assembly, 12, a reflector, 121, a top plate, 122, a side plate, 123, a reflecting surface, 124, a light-gathering surface, 13, a reflecting plate, 14, a reflecting light cavity, 15 and an opening; 20. optical component, 21 (21'), light-emitting unit, 211, first optical module, 212, second optical module, 22, backplane.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is susceptible to similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Fig. 1A shows a light reflection schematic diagram of a main viewing angle direction of an optical module according to an embodiment of the present application, fig. 1B shows a light reflection schematic diagram of a side viewing angle direction of an optical module according to an embodiment of the present application, and in combination with fig. 1A and fig. 1B, the optical module according to the present application is based on the principle that light emitted from an LED lamp assembly 11 enters a reflective light cavity 14 and then passes through different reflective surfaces 123 on the reflective light cavity 14 to perform multiple reflections, so that light beams can be finally emitted after being blended and overlapped with each other, thereby obtaining more uniform light. The inner wall of the reflective light cavity 14 is composed of various structures, reflective films are arranged on the reflective light cavity 14, the size and the structure of the inner wall of the reflective light cavity are different, and the materials of the reflective films are different, so that light is reflected differently, emergent light with different effects is formed, the dimming function is finally achieved, and different application requirements of users are met.

Fig. 2 is a perspective view illustrating an optical module according to an embodiment of the present application, and the optical module 10 includes an LED lamp assembly 11, a reflector 12, and a reflector 13, wherein the LED lamp assembly 11 includes a plurality of LED lamps, the LED lamp assembly 11 is disposed at the bottom of the reflector 12, the reflector 12 includes a top plate 121 and side plates 122, an inner wall of the top plate 121 has a plurality of reflective surfaces 123, the top plate 121 is bent from the bottom of the reflector 12 to an opening 15 of the reflector 12, and the side plates 122 are disposed at two sides of the top plate 121; the reflector 13 is connected with the side plate 122, the reflective light cavity 14 is formed by the reflector 13, the side plate 122 and the top plate 121, light rays emitted by the LED lamp assembly 11 positioned at the bottom of the reflector 12 are reflected on each surface of the reflective light cavity 14 after passing through the reflective light cavity 14 and are finally emitted through the opening 15, and the light rays emitted by the LED lamp assembly 11 are fully reflected, converged, overlapped and the like in the reflective light cavity 14 to form uniform light emission. By setting the reflecting cover 12 and the reflecting plate 13 with different specifications, materials and structures, the formed reflecting light cavities 14 are different, and different light homogenizing effects can be finally obtained.

Further, the side plate 122 is provided with a light-gathering surface 124, the light-gathering surface 124 is a surface facing the reflective light cavity 14, optionally, the light-gathering surface 124 is a curved surface or an inclined surface structure, and the inclined manner is narrower when approaching the bottom of the reflector 12 and wider when approaching the opening 15, that is, the light-gathering surfaces 124 oppositely arranged gradually approach each other from the opening 15 to the bottom of the reflector 12, so that the reflective light cavity 14 forms a bell mouth shape, which is convenient for light emitted from the LED lamp assembly 11 to enter the reflective light cavity 14 for reflection and finally to be emitted through the opening 15.

Further, with reference to fig. 1A and fig. 1B, the plurality of reflecting surfaces 123 have different inclination angles along the emitting optical axis a-a direction of the LED lamp, that is, different angles are formed between the different reflecting surfaces 123 and the emitting optical axis a-a of the LED lamp, so that the light rays obtain different reflecting directions, and the uniform light effect is further achieved. Alternatively, fig. 1A and 1B are only one embodiment of the reflective cover provided in the present application, and are not meant to be limited to the above reflective surface structure, and other types of structures, such as reflective surfaces distributed in an irregular state on the top plate, are also allowed in the present application.

Referring to fig. 2, alternatively, the plurality of reflecting surfaces 123 are disposed in parallel. Specifically, the plurality of reflecting surfaces 123 may be disposed in parallel in the longitudinal direction of the top plate 121, in parallel in the lateral direction of the top plate 121, or in parallel in any direction of the plane of the top plate 121. By adopting the mode, a more regular reflection path can be obtained after light emission, and a more uniform light-homogenizing effect is further formed.

Alternatively, a plurality of LED lamps are arranged in a row to form the LED lamp assembly 11, and a plurality of reflecting surfaces 123 are arranged in parallel and both ends of the reflecting surfaces 123 are respectively connected to the side plates 122, i.e., the reflecting surfaces 123 are arranged in a transverse direction of the top plate 121.

It should be noted that the reflective cavity 14 mainly depends on the combined action of the reflective surface 123 on the top plate 121, the light-gathering surface 124 on the side plate 122, and the reflective plate 13, so as to reflect light. Optionally, the reflective surface 123 and the light-collecting surface 124 are provided with reflective films made of the same material or different materials.

Further, a high-strength reflective film, such as a glass bead reflective film, is disposed on the reflector 13.

Fig. 3 shows a perspective view of an optical assembly according to an embodiment of the present application, and fig. 4 shows a side view of an optical assembly according to an embodiment of the present application, which is provided in conjunction with fig. 2 to 4, and includes at least two kinds of light emitting units 21(21 '), each of the light emitting units 21(21 ') including a plurality of optical modules 10 arranged in an array, and the optical modules 10 in different light emitting units 21(21 ') having different reflection covers 12. Specifically, the first optical modules 211 are arranged in groups of four to form one light emitting unit 21, the second optical modules 212 are arranged in groups of four to form one light emitting unit 21 ', and the plurality of light emitting units 21' are integrated on the base plate 22 to form one optical assembly.

Further, the optical module further comprises an optical control assembly for controlling the optical assembly, which comprises switches respectively controlling different optical modules. Referring to fig. 4, the optical modules are integrated in the light emitting unit, and the on and off of different optical modules are controlled by the switch, so as to realize the on and off of different optical modules, thereby achieving different light emitting effects. Designers can set different lighting programs and paths according to actual needs, so that the requirements of various interactive scenes are met, and the experience of users is provided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An optical module, comprising:

an LED lamp assembly including a plurality of LED lamps;

the LED lamp assembly is arranged at the bottom of the reflecting cover, the reflecting cover comprises a top plate and side plates, the inner wall of the top plate is provided with a plurality of reflecting surfaces, the top plate is bent from the bottom of the reflecting cover to the opening of the reflecting cover, and the side plates are arranged on two sides of the top plate;

the reflecting plate is connected with the side plate, and the reflecting plate, the side plate and the top plate form a reflecting light cavity.

2. The optical module as claimed in claim 1, wherein the side plate is provided with a light-condensing surface, and the oppositely disposed light-condensing surfaces are disposed gradually closer to each other from the opening to the bottom of the reflection housing.

3. The optical module as claimed in claim 2, wherein the plurality of reflecting surfaces have different inclination angles in the direction of the exit optical axis of the LED lamp.

4. The optical module of claim 3 wherein a plurality of said reflective surfaces are arranged in parallel.

5. The optical module as claimed in claim 4, wherein a plurality of the LED lamps are arranged in an array, and both ends of the reflecting surface are connected to the side plates, respectively.

6. The optical module of claim 2, wherein the light-gathering surface and the reflecting surface are provided with reflecting films made of the same material or different materials.

7. The optical module of any one of claims 1-6 wherein a high intensity reflective film is disposed on the reflector.

8. An optical assembly comprising the optical module of any one of claims 1-7, comprising at least two types of light emitting units, each of said light emitting units comprising a plurality of said optical modules arranged in an array, said optical modules in different said light emitting units having different said reflective housings.

9. The optical assembly of claim 8, further comprising a base plate on which the light emitting unit is disposed.

10. An optical control module for controlling the optical module as claimed in claim 8 or 9, characterized in that it comprises switches for controlling the different optical modules, respectively.