Self-adaptive brightness adjusting lighting device

By controlling the main and auxiliary LED beads to work together through the controller body and electrode structure, and adjusting the lens spacing, the problem of decreased illuminance when the lighting area becomes larger is solved, and adaptive brightness adjustment and power saving effect are achieved.

CN223564070UActive Publication Date: 2025-11-18CHENGDU HAN DE SHENG BANG OPTICAL CO LTD
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Patent Information

Application Number
CN202422992932.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-11-18
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

When existing lighting fixtures change the lighting area, the average illuminance decreases, resulting in a decline in lighting effect and failure to meet visual needs.

Method used

By setting the controller body and electrode structure, the main LED beads and the auxiliary LED beads are controlled to work together, and the lens spacing is adjusted to ensure that the average illuminance is always greater than the required value when the target surface is enlarged.

Benefits of technology

It achieves a constant average illuminance greater than the required value when the lighting area is changed, and also has a power-saving function.

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Abstract

The utility model discloses a self-adaptive brightness adjusting lighting device, which belongs to the technical field of lighting equipment and comprises a lighting assembly, the lighting assembly comprises a substrate, a main LED lamp bead is mounted in the center of one side of the substrate, the lighting assembly further comprises three groups of lamp rings, the lamp rings are arranged on the outer side of the main LED lamp bead, and the main LED lamp bead is arranged on the substrate. The three sets of lamp rings are composed of six sets of LED lamp sets, twelve sets of LED lamp sets and eighteen sets of LED lamp sets from inside to outside in a surrounding mode. The auxiliary LED lamp beads are installed on one side of the substrate. The device further comprises a control assembly. The controller body, the electrodes and other structures are matched for use, the structure is simple, convenience and practicability are achieved, when the distance between the first lens and the second lens is changed, the controller body can control the main LED lamp beads to be matched with the auxiliary LED lamp beads with the corresponding number to work, and the practicability is high. Therefore, self-adaptive brightness adjustment illumination that the average illumination is always greater than the required value when the illumination target surface is increased is realized, and the purpose of saving power can be achieved.
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Description

Technical Field

[0001] This utility model relates to the field of lighting equipment technology, specifically to an adaptive brightness adjustment lighting device. Background Technology

[0002] Lighting devices are equipment used to provide illumination. They can come in many types, including but not limited to chandeliers, table lamps, wall lamps, and streetlights. The main function of lighting devices is to provide sufficient light in dark environments to meet people's visual needs. Different lighting devices are suitable for different scenarios and uses. With the development of technology, lighting devices are also constantly innovating. There are now many smart lighting devices that can be controlled by mobile phones or voice commands to turn on / off, dim and adjust colors, bringing more convenience to people's lives.

[0003] However, existing technologies still have the following drawbacks:

[0004] When existing lighting devices increase the lighting area by changing the focal length, the average illuminance within the lighting area will change accordingly. When the lighting area becomes larger, the average illuminance decreases, which will cause a decrease in the lighting effect. It may result in the average illuminance within the lighting area failing to meet people's visual needs. This problem has not been solved in the existing technology. Utility Model Content

[0005] The purpose of this invention is to provide an adaptive brightness adjustment lighting device. By setting up a controller body and electrodes and other structures to work together, when the distance between the first lens and the second lens is changed, the controller body will control the main LED beads to work with a corresponding number of auxiliary LED beads, thereby achieving adaptive brightness adjustment lighting where the average illuminance is always greater than the required value when the target lighting surface is increased, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An adaptive brightness adjustment lighting device includes a lighting component. The lighting component includes a substrate. A main LED bead is mounted at the center of one side of the substrate. The lighting component also includes three sets of light rings. The light rings are disposed outside the main LED bead. The three sets of light rings are composed of 6, 12, and 18 sets of LED light groups respectively, from the inside to the outside. The secondary LED bead is mounted on one side of the substrate.

[0008] It also includes a focusing assembly, which includes a first lens and a second lens. The first lens is fixedly mounted on the inner wall of the fixed inner cylinder by a mounting ring, and the second lens is fixedly mounted on the inner wall of the movable outer cylinder by a mounting ring. The fixed inner cylinder and the movable outer cylinder are in sliding fit.

[0009] The control assembly comprises a controller body and a plurality of electrodes, and the controller body is fixedly installed on the other side of the base plate.

[0010] Preferably, the top and bottom of the fixed inner cylinder are fixedly installed with limiting blocks, and the top and bottom of the movable outer cylinder are provided with limiting grooves.

[0011] Preferably, one side of the fixed inner cylinder is fixedly installed with four groups of electrodes, and the inner wall of the movable outer cylinder is fixedly installed with four groups of electrodes.

[0012] Preferably, the main LED lamp bead and the auxiliary LED lamp bead are electrically connected with the controller body, and the electrodes are electrically connected with the controller body.

[0013] Preferably, the outer wall of the fixed inner cylinder is fixedly installed with a limiting ring, and one side of the fixed inner cylinder is fixedly installed with a mounting cylinder which is clamped with the base plate.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] The controller body and the electrodes are used in cooperation, and the structure is simple, convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The present application is a structural schematic view.

[0017] Fig. 2 The present application is a sectional structural schematic view.

[0018] Fig. 3 The present application is an exploded separation structural schematic view of the focusing assembly.

[0019] Fig. 4 The present application is a structural schematic view of the lighting assembly.

[0020] In the drawing: 1, base plate; 2, main LED lamp bead; 3, auxiliary LED lamp bead; 4, first lens; 5, second lens; 6, mounting ring; 7, electrode; 8, fixed inner cylinder; 9, movable outer cylinder; 10, limiting ring; 11, limiting block; 12, limiting groove; 13, controller body. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] Please refer to Figs. 1-4 The present application provides a technical solution:

[0023] The adaptive brightness adjusting lighting device comprises a lighting assembly, the lighting assembly comprises a base plate 1, a main LED lamp bead 2 is installed at the center of one side of the base plate 1, the lighting assembly further comprises three groups of lamp rings, the lamp rings are arranged outside the main LED lamp bead 2, the three groups of lamp rings are composed of 6 groups, 12 groups and 18 groups of auxiliary LED lamp beads 3 from inside to outside, and the auxiliary LED lamp beads 3 are installed on one side of the base plate 1.

[0024] By arranging the main LED lamp bead 2 and the three groups of lamp rings, the corresponding number of auxiliary LED lamp beads 3 can be selected to cooperate with the main LED lamp bead 2 to illuminate under the control of the controller body 1, so that more auxiliary LED lamp beads are controlled to participate in illumination when the illumination target surface is increased, and the average illumination is always greater than the required value.

[0025] Further comprising a focusing assembly, the focusing assembly comprises a first lens 4 and a second lens 5, the first lens 4 is fixedly installed on the inner wall of a fixed inner cylinder 8 through a mounting ring 6, the second lens 5 is fixedly installed on the inner wall of a movable outer cylinder 9 through the mounting ring 6, the fixed inner cylinder 8 and the movable outer cylinder 9 are in sliding fit, the top and bottom of the fixed inner cylinder 8 are fixedly installed with limiting blocks 11, the top and bottom of the movable outer cylinder 9 are provided with limiting grooves 12, the limiting blocks 11 and the limiting grooves 12 are in sliding fit, the outer wall of the fixed inner cylinder 8 is fixedly installed with a limiting ring 10, and one side of a mounting cylinder fixedly installed with the base plate 1.

[0026] By arranging the fixed inner cylinder 8 and the movable outer cylinder 9, the distance between the first lens 4 and the second lens 5 can be adjusted, so that the purpose of changing the size of the illumination target surface is achieved, and by arranging the limiting blocks 11 and the limiting grooves 12, it is ensured that the movable outer cylinder 9 can normally slide on the surface of the fixed inner cylinder 8 while preventing the movable outer cylinder 9 from separating from the surface of the fixed inner cylinder 8.

[0027] The control assembly comprises a controller body 13 and a plurality of groups of electrodes 7, the controller body 13 is fixedly installed on the other side of the base plate 1, four groups of electrodes 7 are fixedly installed on the outer wall of one side of the fixed inner cylinder 8, and four groups of electrodes 7 are fixedly installed on the inner wall of the movable outer cylinder 9; the main LED lamp bead 2 and the auxiliary LED lamp bead 3 are electrically connected with the controller body 13, and the electrodes 7 are electrically connected with the controller body 13.

[0028] By arranging the electrodes 7 on the outer wall of the fixed inner cylinder 8 and the inner wall of the movable outer cylinder 9, when the fixed inner cylinder 8 and the movable outer cylinder 9 are in different relative positions, different numbers of electrodes 7 will overlap, and the controller body 13 can control the number of auxiliary LED lamp beads 3 participating in illumination according to the number of overlapping electrodes 7, so as to realize adaptive brightness adjustment illumination that the average illuminance is always greater than the required value when the illumination target area increases.

[0029] In specific use, the device is installed at a specified position, when it is needed to change the size of the illumination target area, the movable outer cylinder 9 is pushed to adjust the distance between the first lens 4 and the second lens 5, when the distance is the farthest, only the main LED lamp bead 2 is connected, and the main LED lamp bead 2 is lit accordingly, when the distance between the first lens 4 and the second lens 5 is the shortest, one group of electrodes 7 of the fixed inner cylinder 8 and the movable outer cylinder 9 overlap, the main LED lamp bead 2 and the auxiliary LED lamp beads 3 on the first ring are lit, and when the distance between the first lens 4 and the second lens 5 is the shortest, four groups of electrodes 7 of the fixed inner cylinder 8 and the movable outer cylinder 9 overlap, the main LED lamp bead 2 and the auxiliary LED lamp beads 3 on the three rings on the edge are all lit.

[0030] When the distance between the first lens 4 and the second lens 5 is the farthest, the distance satisfies the relationship:

[0031] f1'+f2'=d

[0032] Considering the case of the three rings of auxiliary LED lamp beads 3 and the main LED lamp bead 2 described above, the control function of the LED lighting can be written as:

[0033]

[0034] Wherein, it represents the opening and closing of the main LED lamp bead 2, and it represents the opening of the auxiliary LED lamp beads 3 on the edge of the first, second and third rings, and the value of the auxiliary LED lamp beads 3 can only be 0 and 1, when 0 is taken, the auxiliary LED lamp beads 3 are extinguished, and when 1 is taken, the auxiliary LED lamp beads 3 are lit, and the value of the control function f can only be 0 and 1.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adaptive brightness adjustment lighting device, characterized in that: The lighting assembly includes a substrate (1), a main LED bead (2) is mounted on the center of one side of the substrate (1), and the lighting assembly also includes three sets of light rings, which are disposed outside the main LED bead (2). The three sets of light rings are composed of 6 sets, 12 sets and 18 sets of secondary LED beads (3) respectively from the inside to the outside. The secondary LED beads (3) are mounted on one side of the substrate (1). It also includes a focusing assembly, which includes a first lens (4) and a second lens (5). The first lens (4) is fixedly installed on the inner wall of the fixed inner cylinder (8) by a mounting ring (6), and the second lens (5) is fixedly installed on the inner wall of the movable outer cylinder (9) by a mounting ring (6). The fixed inner cylinder (8) and the movable outer cylinder (9) are in sliding cooperation. It also includes a control component, which includes a controller body (13) and multiple sets of electrodes (7), the controller body (13) being fixedly mounted on the other side of the substrate (1).

2. The adaptive brightness adjustment lighting device according to claim 1, characterized in that: Limiting blocks (11) are fixedly installed at the top and bottom of the fixed inner cylinder (8), and limiting grooves (12) are opened at the top and bottom of the movable outer cylinder (9). The limiting blocks (11) and the limiting grooves (12) are slidably engaged.

3. The adaptive brightness adjustment lighting device according to claim 2, characterized in that: Four sets of electrodes (7) are fixedly installed on one side of the outer wall of the fixed inner cylinder (8), and four sets of electrodes (7) are fixedly installed on the inner wall of the movable outer cylinder (9).

4. The adaptive brightness adjustment lighting device according to claim 1, characterized in that: The main LED bead (2) and the secondary LED bead (3) are electrically connected to the controller body (13), and the electrode (7) is electrically connected to the controller body (13).

5. The adaptive brightness adjustment lighting device according to claim 1, characterized in that: A limit ring (10) is fixedly installed on the outer wall of the fixed inner cylinder (8), and an installation cylinder is fixedly installed on one side of the fixed inner cylinder (8). One side of the installation cylinder is interlocked with the base plate (1).