Light-emitting diode (LED) lamp with variable light-emitting angle

Abstract

The utility model discloses an LED lamp with a variable light-emitting angle, which comprises a driving power supply and a connecting wire, one end of the driving power supply is connected with a plug, one end of the connecting wire is connected with the driving power supply, the other end of the connecting wire is arranged on the upper surface of a lamp shell, and the connecting wire is connected with the driving power supply. A light-emitting angle adjusting structure is installed in the lamp shell and can change and adjust the light-emitting angle of the lamp by controlling the size of the light-emitting face of the LED chip. According to the LED lamp with the variable light-emitting angle, the size of the light-emitting surface of the LED chip can be changed through the toggle switch, a controller can be additionally installed, an MCU or a PWM chip is arranged in the controller, and the size of the light-emitting surface of the LED chip can be controlled through physical control or a wireless mode so that the light-emitting angle of the lamp can be changed; on the basis of a plurality of light-emitting surfaces of the LED chip, a double-color-temperature LED chip design is also arranged, so that the change of three color temperatures of the lamp can be realized while the light-emitting angle of the lamp is changed.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lamps, in particular to an LED lamp with a variable light emission angle. Background Art

[0002] With the recent development of semiconductor lighting, LED lamps have been widely used in outdoor lighting, neon signs, home appliances, vehicles, computers, and other lighting products. In particular, LEDs have gradually replaced incandescent and fluorescent lamps and are widely used in many fields, including home lighting and auxiliary lighting. LED lamps offer high electro-optical conversion efficiency, significantly reducing energy consumption compared to traditional lamps. Furthermore, LED lamps do not contain harmful substances such as mercury, making them more environmentally friendly. LED chips typically have a lifespan of tens of thousands of hours, far exceeding that of traditional lamps, reducing the frequency and cost of lamp replacement. They can emit a variety of light colors, which can be adjusted to achieve different color effects to meet various lighting needs. They can light up instantly, eliminating the startup time of traditional lamps, making them suitable for applications requiring fast response. The small size of LED chips allows for the design of lamps in a variety of shapes and sizes to suit different installation environments and decorative requirements.

[0003] Existing LED lamps generally use the zoom principle of plano-convex lenses (optical devices) to manually adjust the focal length of the LED chip to change the light output angle. However, the light output is prone to forming an aperture, the light output uniformity is poor, and manual adjustment of the focal length is prone to deviation. The standard uniformity is poor, the cost of implementing wireless control is high, and additional mechanical control equipment is required. Disassembling the lamp and replacing optical devices (lenses or reflectors) with different light output angles can also achieve light output at different angles. The prerequisite is to understand the structure of the lamp and require professional tools for disassembly. In addition, optical devices that match the different angles of the LED chip are not easy to buy on the market, and the cost of implementing wireless control is high. Utility Model Content

[0004] The purpose of the present utility model is to provide an LED lamp with a variable light output angle, so as to solve the problem proposed in the above background technology that the LED lamp is prone to forming an aperture by adjusting the focal length of a plano-convex lens to change the light output angle, or the problem that professional tools are required to disassemble and replace optical devices.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an LED lamp with a variable light output angle, comprising a driving power supply, one end of which is connected to a plug, and a connecting wire, one end of which is connected to the driving power supply, and the other end of which is installed on the upper surface of the lamp housing, and a light output angle adjustment structure is installed inside the lamp housing, and the light output angle adjustment structure can change the light output angle of the lamp by controlling the size of the light-emitting surface of the LED chip.

[0006] Preferably, the light output angle adjustment structure includes an LED chip, which is fixedly mounted on the upper surface of the inner wall of the lamp housing, and the LED chip is controlled and connected to the lower end of the connecting wire. The LED chip is located on the upper surface of the chip bracket, and the chip bracket is located above the optical lens. The optical lens is located inside the anti-glare cover, and the lower end of the anti-glare cover is mounted on the upper surface of the outer ring of the lamp.

[0007] By adopting the above technical solution, the LED chip can adjust the light output angle of the lamp by changing the size of the light-emitting surface.

[0008] Preferably, a convex ring is provided on the upper surface of the outer ring of the lamp, and the convex ring contacts the inner wall surface of the lamp housing.

[0009] By adopting the above technical solution, the outer ring of the lamp can be engaged with the lamp housing.

[0010] Preferably, spring clips are symmetrically mounted on the outer surface of the lamp housing, and the lower ends of the spring clips are engaged with the lower surface of the outer ring of the lamp.

[0011] By adopting the above technical solution, the lamp can be installed through the spring clip.

[0012] Preferably, the optical lens and the anti-glare cover are both configured as conical structures.

[0013] The above technical solution facilitates the adjustment of the light output angle of the lamp, resulting in better effects.

[0014] Preferably, a heat sink is provided on the outer surface of the lamp housing.

[0015] The above technical solution can accelerate the heat dissipation inside the lamp.

[0016] Preferably, the connecting line is connected to a toggle switch or a controller, and the toggle switch or the controller is connected to the LED chip.

[0017] By adopting the above technical solution, the LED chip can be controlled and adjusted by a toggle switch or a controller.

[0018] Preferably, the driving power supply can control the LED chip to be turned on by a manual toggle switch, and the size of the LED light-emitting surface can be adjusted by adjusting the multiple gears in the toggle switch; or an MCU or PWM chip can be installed in the controller to adjust the size of the LED light-emitting surface through physical control or wireless remote control, thereby changing the light output angle of the lamp.

[0019] By adopting the above technical solution, the LED chip can quickly adjust the size of the light-emitting surface to achieve the change of the light output angle of the lamp.

[0020] Compared with the prior art, the beneficial effects of the present invention are: the LED lamp with variable light output angle:

[0021] 1. Changing the light output angle of the lamp by changing the size of the light-emitting surface of the LED chip. The LED light-emitting surface has two or more light-emitting sizes. The light-emitting surface of the LED chip can be changed by manual control, such as by toggling a switch (two or more gears), or by embedding an MCU or PWM chip in the controller to control the size of the light-emitting surface of the LED chip.

[0022] 2. Furthermore, the LED chip is designed with dual color temperatures based on multiple light-emitting surfaces, which can change the light output angle of the lamp while also achieving multiple color temperatures. As above, it can be controlled by a manual dial switch or by an embedded MCU or PWM chip in the controller. The light output angle of the lamp can be changed without disassembling or replacing the optical components, and the light is more focused and softer.

[0023] 3. Furthermore, by adjusting the light output angle, the light can be focused on the area that needs to be illuminated. Light can be used to illuminate key areas of various sizes, thereby improving the efficiency of light utilization, reducing energy consumption, and making the light more evenly distributed in the space. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an exploded schematic diagram of the lamp structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the LED chip structure of the utility model;

[0026] Figure 3 This is the LED chip control flow chart of this utility model.

[0027] In the figure: 1. Driving power supply; 2. Connecting wire; 3. Lamp housing; 4. Heat sink; 5. Spring clip; 6. LED chip; 7. Chip holder; 8. Optical lens; 9. Anti-glare cover; 10. Lamp outer ring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1-3The utility model provides a technical solution: an LED lamp with variable light output angle, including a driving power supply 1, a connecting line 2, a lamp housing 3, a heat sink 4, a spring clip 5, an LED chip 6, a chip bracket 7, an optical lens 8, an anti-glare cover 9, and a lamp outer ring 10.

[0030] The LED lamp with variable light output angle can change the light output angle of the lamp by controlling the size of the light-emitting surface of the LED chip 6, making the light output softer without disassembling or replacing the optical components. Specifically:

[0031] One end of the driving power supply 1 is connected to a plug, and also includes a connecting wire 2, one end of the connecting wire 2 is connected to the driving power supply 1, and the other end of the connecting wire 2 is installed on the upper surface of the lamp housing 3. A light output angle adjustment structure is installed inside the lamp housing 3. The light output angle adjustment structure can adjust the light output angle by controlling the size of the light-emitting surface of the LED chip 6. The light output angle adjustment structure includes an LED chip 6, which is fixedly installed on the upper surface of the inner wall of the lamp housing 3, and the LED chip 6 is controlled and connected to the lower end of the connecting wire 2. The LED chip 6 is located on the upper surface of the chip bracket 7, and the chip bracket The frame 7 is located above the optical lens 8, which is located inside the anti-glare cover 9. The lower end of the anti-glare cover 9 is mounted on the upper surface of the lamp outer ring 10. The upper surface of the lamp outer ring 10 is provided with a convex ring, which contacts the outer wall surface of the lamp housing 3. The outer surface of the lamp housing 3 is symmetrically provided with spring clips 5. The lower end of the spring clips 5 is engaged with the lower surface of the lamp outer ring 10. The optical lens 8 and the anti-glare cover 9 are both configured as conical structures. The outer surface of the lamp housing 3 is provided with a heat sink 4. The connecting wire 2 is connected to the toggle switch or controller, and the toggle switch or controller is connected to the LED chip 6.

[0032] When the LED lamp with variable light output angle is used, Figure 1As shown, an LED chip 6 is installed inside the lamp housing 3. The light output angle of the lamp can be adjusted by changing the size of the light-emitting surface of the LED chip 6. First, the LED chip 6 is supported by the chip bracket 7. The optical lens 8 can focus and refract the light of the LED chip 6, so that the light emitted by the lamp can accurately illuminate a specific area, improve the light utilization efficiency, and also improve the uniformity of light intensity distribution. By refraction and reflection of the light, the optical lens 8 can make the light more evenly distributed in the irradiation area, avoiding the situation where local areas are too bright or too dark. The anti-glare cover 9 can block the direct light emitted by the lamp, reduce the glare intensity, make the light softer and more comfortable, improve the quality and comfort of lighting, and enable people to better see the surrounding environment. Furthermore, the outer ring 10 of the lamp is fixed to the lower end of the lamp housing 3 by the spring clip 5, so that the internal parts of the lamp housing 3 are more stable. After the plug connected to the driving power supply 1 is connected to the socket, the driving power supply 1 is turned on, and the LED chip 6 is turned on to emit light through the connecting wire 2. The adjustment is carried out with the connecting wire 2 can control the size of the light-emitting surface of the LED chip 6. The toggle switch can be installed in multiple positions, such as on the outer surface and inner surface of the lamp housing 3, and on the inner wall surface of the driving power supply 1 and the anti-glare cover 9. In this way, the installation position of the toggle switch can be adjusted according to on-site needs, making it convenient for users to turn on the toggle switch. The size of the light-emitting surface of the LED chip 6 is changed by energizing different groups of LED circuits on the LED substrate. The toggle switch can be controlled manually, or a controller can be installed separately. An embedded MCU or PWM chip is built in the controller for remote control, which can achieve wireless control, simple operation, low cost, and strong consistency. The lamp housing 3 can be cooled by the heat sink 4 to prevent the lamp from overheating. The size of the light-emitting surface can be adjusted at any time to obtain a suitable light-emitting angle of the lamp according to different lighting position requirements. For example, in scenes requiring spotlighting, such as stage performances, museum exhibits, etc., the light-emitting surface can be reduced to obtain a smaller light-emitting angle, concentrating the light to highlight the key points. In places requiring uniform illumination over a large area, such as conference rooms and classrooms, the luminous surface can be increased to achieve a wider light output angle, distributing the light more evenly throughout the space and reducing unnecessary light scattering and waste. Concentrating light on the area that needs illumination improves light utilization efficiency, thereby reducing energy consumption. This can significantly reduce energy costs in places where lighting equipment is used for a long time, while also meeting energy conservation and environmental protection requirements.

[0033] Working principle: When controlling different luminous surfaces to emit light, the steps are as follows:

[0034] Multiple groups of LEDs with different light-emitting surfaces are mounted on the LED substrate;

[0035] A toggle switch is installed on the connecting line 2 between the driving power supply 1 and the LED chip 6. Each gear position of the toggle switch controls the on and off of different groups of LEDs.

[0036] Manually adjust the toggle switch, turn on the corresponding gear of the toggle switch, and power the corresponding LED group on the LED substrate, so that the corresponding LED light-emitting surface lights up, and the light source is reflected on the surface of the conical optical lens 8.

[0037] In addition, the input end of the LED chip can also be connected to a controller, which has an embedded MCU or PWM chip for remote control to achieve the lighting of LED groups with different light-emitting surfaces.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An LED lamp with a variable light output angle, comprising a driving power supply (1), one end of the driving power supply (1) being connected to a plug, characterized in that: The invention also includes a connecting wire (2), one end of which is connected to the driving power supply (1), and the other end of which is mounted on the upper surface of the lamp housing (3). A light output angle adjustment structure is mounted inside the lamp housing (3), and the light output angle adjustment structure can adjust the light output angle of the lamp by controlling the size of the light-emitting surface of the LED chip (6).

2. The LED lamp with variable light output angle according to claim 1, characterized in that: The light output angle adjustment structure comprises an LED chip (6), the LED chip (6) is fixedly mounted on the upper surface of the inner wall of the lamp housing (3), and the LED chip (6) is controllably connected to the lower end of the connecting wire (2), the LED chip (6) is located on the upper surface of a chip bracket (7), the chip bracket (7) is located above an optical lens (8), the optical lens (8) is located inside an anti-glare cover (9), and the lower end of the anti-glare cover (9) is mounted on the upper surface of an outer ring (10) of the lamp.

3. The LED lamp with variable light output angle according to claim 2, characterized in that: The upper surface of the lamp outer ring (10) is provided with a convex ring, and the convex ring contacts the outer wall surface of the lamp housing (3).

4. The LED lamp with variable light output angle according to claim 2, characterized in that: A spring clip (5) is symmetrically mounted on the outer surface of the lamp housing (3), and the lower end of the spring clip (5) is engaged with the lower surface of the lamp outer ring (10).

5. The LED lamp with variable light output angle according to claim 2, characterized in that: The optical lens (8) and the anti-glare cover (9) are both configured as conical structures.

6. The LED lamp with variable light output angle according to claim 2, characterized in that: A heat sink (4) is provided on the outer surface of the lamp housing (3).

7. The LED lamp with variable light output angle according to claim 1, characterized in that: The connecting line (2) is connected to a toggle switch or a controller, and the toggle switch or the controller is connected to an LED chip (6).

8. The LED lamp with variable light output angle according to claim 7, characterized in that: The driving power supply (1) can control the LED chip (6) to be turned on by manually toggling a switch, and the size of the LED light-emitting surface can be adjusted by adjusting the multiple gears in the toggle switch, or the size of the LED light-emitting surface can be adjusted by physically controlling or remotely controlling the controller by means of wireless means, thereby changing the light output angle of the lamp.

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