Light-operated lamp

Abstract

The utility model provides a light-operated lamp, which relates to the technical field of lamp illumination, and comprises a lamp holder, a lamp cup, a lampshade, an LED lamp panel and a control circuit board, one end of the lamp cup is provided with the lamp holder, the other end of the lamp cup is connected with the lampshade, and the LED lamp panel and the control circuit board are arranged in the lamp cup; a light-sensitive element is installed in the middle of the LED lamp panel, a light-transmitting channel is formed in the top, right opposite to the light-sensitive element, of the lampshade, an optical filter is embedded in the end, close to the light-sensitive element, of the light-transmitting channel, and a rotatable shading plate is arranged at the other end, away from the light-sensitive element, of the light-transmitting channel. A plurality of heat dissipation fins are evenly distributed on the inner wall of the lamp cup, heat dissipation channels are formed by the heat dissipation fins and the adjacent heat dissipation fins, and ventilation holes penetrating through the lamp cup are formed in the tail ends of the heat dissipation channels. The control circuit board is electrically connected with the LED lamp panel, the photosensitive element and the lamp holder. The photosensitive precision can be improved, and the heat dissipation capability is improved to slow down aging of the photosensitive element.

Description

Technical Field

[0001] This utility model relates to the field of lighting technology, specifically to a light-controlled lamp. Background Technology

[0002] In the lighting field, there is an increasing number of light-controlled and sensor-activated lights being used outdoors, in building corridors, or in stairwells. These lighting tools automatically control the on / off state of LED lights by sensing the brightness of the surrounding environment, eliminating the need for manual control and effectively saving human and electrical resources.

[0003] Light-controlled lighting products use a light sensor to detect the current light level and determine whether the light needs to be turned on. Existing light-controlled lighting products typically place the light sensor completely inside the lamp body. However, traditional light-controlled lights with built-in light sensors have the following drawbacks: the light sensor is completely blocked by the lampshade, relying on the light transmittance of the lampshade material, making it impossible to accurately sense changes in ambient light, resulting in low light sensitivity; and the heat buildup of the LED in the enclosed space accelerates the aging of the light sensor, leading to low heat dissipation efficiency.

[0004] Therefore, this utility model proposes a light-controlled lamp. Utility Model Content

[0005] In view of the shortcomings of the existing technology, this utility model proposes a light-controlled lamp that can improve the light-sensing accuracy and heat dissipation capacity to slow down the aging of the photosensitive element.

[0006] The technical solution of this utility model is implemented as follows:

[0007] A light-controlled lamp includes a lamp head, a lamp cup, a lamp cover, an LED panel, and a control circuit board. The lamp head is mounted on one end of the lamp cup, and the lamp cover is connected to the other end of the lamp cup. The LED panel and control circuit board are installed inside the lamp cup. A photosensitive element is mounted in the middle of the LED panel. A light-transmitting channel is formed on the top of the lamp cover opposite the photosensitive element. An optical filter is embedded at the end of the light-transmitting channel closest to the photosensitive element, and a rotatable light-shielding plate is provided at the other end of the light-transmitting channel away from the photosensitive element.

[0008] The inner wall of the lamp cup is evenly arranged with several heat dissipation fins, and the heat dissipation fins and adjacent heat dissipation fins form a heat dissipation channel. The end of the heat dissipation channel is provided with a ventilation hole that penetrates the lamp cup.

[0009] The control circuit board is electrically connected to the LED light panel, photosensitive element, and lamp holder.

[0010] Preferably, the optical filter has a double-layer structure, comprising an outer infrared cut-off film and an inner frosted light-averaging film.

[0011] Preferably, the light-shielding plate is rotatably connected to the inner wall of the light-transmitting channel via a central shaft.

[0012] Preferably, the central axis of the light-shielding plate has a built-in torque limiter.

[0013] Preferably, a polarizing filter is detachably connected to the inner side of the light-shielding plate.

[0014] Preferably, the thickness of the heat dissipation fins decreases from the bottom to the top of the lamp cup to form a heat dissipation channel that gradually increases from bottom to top.

[0015] Preferably, the heat dissipation fins have upwardly inclined guide vanes on both sides of their ends, forming an upward airflow channel between adjacent guide vanes, and the surface of the guide vanes has several drag-reducing holes.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] In this design, the photosensitive element is installed in the LED light panel and then inside the lamp cup. A light-transmitting channel is provided on the top of the lamp cover facing the photosensitive element. An optical filter is embedded at one end of the light-transmitting channel near the photosensitive element, and a rotatable light-shielding plate is provided at the other end of the light-transmitting channel away from the photosensitive element. The directional light-transmitting channel improves the response speed and light transmittance of the photosensitive element, while the light-shielding plate can be adjusted as needed to further improve the photosensitivity. In addition, several heat dissipation fins are evenly arranged on the inner wall of the lamp cup. The heat dissipation fins form heat dissipation channels with adjacent heat dissipation fins. The end of the heat dissipation channel is provided with a ventilation hole penetrating the lamp cup, which facilitates heat dissipation, improves the uniformity of temperature distribution inside the lamp cup, and slows down the aging of the photosensitive element. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is an exploded view of the structure of a light-controlled lamp according to the present invention;

[0020] Figure 2 for Figure 1 Schematic diagram of the internal structure of the central lampshade;

[0021] Attached diagram labels: 1-Lamp head; 2-Lamp cup; 21-Heat dissipation fins; 22-Heat dissipation channel; 23-Ventilation hole; 24-Guide wing; 3-Lamp cover; 31-Light transmission channel; 32-Optical filter; 33-Light shield; 34-Polarizing filter; 4-LED lamp board; 41-Photosensitive element; 5-Control circuit board. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] This embodiment proposes a light-controlled lamp, such as... Figure 1 and Figure 2 As shown, the lamp includes a lamp head 1, a lamp cup 2, a lamp shade 3, an LED light board 4, and a control circuit board 5. The lamp head 1 is mounted on one end of the lamp cup 2, and the lamp shade 3 is connected to the other end. The LED light board 4 and the control circuit board 5 are installed inside the lamp cup 2. A photosensitive element 41 is mounted in the middle of the LED light board 4. A light-transmitting channel 31 is formed on the top of the lamp shade 3, directly opposite the photosensitive element 41. An optical filter 32 is embedded at the end of the light-transmitting channel 31 closest to the photosensitive element 41, and a rotatable light-shielding plate 33 is provided at the other end of the light-transmitting channel 31 away from the photosensitive element 41. Several heat dissipation fins 21 are evenly arranged on the inner wall of the lamp cup 2. The heat dissipation fins 21 and adjacent heat dissipation fins 21 form a heat dissipation channel 22. A ventilation hole 23 penetrating the lamp cup 2 is provided at the end of the heat dissipation channel 22. The control circuit board 5 is electrically connected to the LED light board 4, the photosensitive element 41, and the lamp head 1.

[0026] Working principle: The photosensitive element 41 is installed in the LED lamp board 4 and then in the lamp cup 2. A light transmission channel 31 is opened on the top of the lamp cover 3 facing the photosensitive element 41. An optical filter 32 is embedded at one end of the light transmission channel 31 near the photosensitive element 41. A rotatable light shield 33 is provided at the other end of the light transmission channel 31 away from the photosensitive element 41. The directional light transmission channel 31 improves the response speed and light transmittance of the photosensitive element 41. The light shield 33 can be adjusted as needed to further improve the photosensitive accuracy. In addition, a number of heat dissipation fins 21 are evenly arranged on the inner wall of the lamp cup 2. The heat dissipation fins 21 and adjacent heat dissipation fins 21 form a heat dissipation channel 22. The end of the heat dissipation channel 22 is provided with a ventilation hole 23 that penetrates the lamp cup 2, which facilitates heat dissipation, improves the uniformity of temperature distribution inside the lamp cup 2, and slows down the aging of the photosensitive element 41.

[0027] In this embodiment, the optical filter has a double-layer structure, comprising an outer infrared cut-off film and an inner frosted light-averaging film.

[0028] In this embodiment, the light-shielding plate 33 is rotatably connected to the inner wall of the light-transmitting channel 31 via a central axis.

[0029] In this embodiment, the central axis of the light-shielding plate 33 has a built-in torque limiter.

[0030] In this embodiment, a polarizing filter 34 is detachably connected to the inner side of the light-shielding plate 33.

[0031] In this embodiment, the thickness of the heat dissipation fins 21 decreases from the bottom to the top of the lamp cup 2 to form a heat dissipation channel 22 that gradually increases from bottom to top.

[0032] In this embodiment, the heat dissipation fins 21 have upwardly inclined guide vanes 24 on both sides of their ends, forming an upward airflow channel between adjacent guide vanes 24. Furthermore, the surface of each guide vane 24 has several drag-reducing holes, making it suitable for high-power LED streetlights and other high-heat-generating applications, and reducing the volume of the heat dissipation module by 30%.

[0033] In this embodiment, the heat dissipation fins 21 and the lamp cup 2 are integrally formed.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A light-controlled lamp, characterized in that: The device includes a lamp head (1), a lamp cup (2), a lamp shade (3), an LED light board (4), and a control circuit board (5). The lamp cup (2) has a lamp head (1) installed at one end and a lamp shade (3) connected to the other end. The LED light board (4) and the control circuit board (5) are installed inside the lamp cup (2). A photosensitive element (41) is installed in the middle of the LED light board (4). A light-transmitting channel (31) is opened on the top of the lamp shade (3) opposite to the photosensitive element (41). An optical filter (32) is embedded at one end of the light-transmitting channel (31) near the photosensitive element (41), and a rotatable light shield (33) is provided at the other end of the light-transmitting channel (31) away from the photosensitive element (41). The inner wall of the lamp cup (2) is evenly arranged with a number of heat dissipation fins (21), and the heat dissipation fins (21) and adjacent heat dissipation fins (21) form a heat dissipation channel (22). The end of the heat dissipation channel (22) is provided with a ventilation hole (23) that penetrates the lamp cup (2). The control circuit board (5) is electrically connected to the LED lamp board (4), the photosensitive element (41), and the lamp head (1).

2. A light-controlled lamp according to claim 1, characterized in that: The optical filter (32) has a double-layer structure, comprising an outer infrared cut-off film and an inner frosted light-averaging film.

3. A light-controlled lamp according to claim 1, characterized in that: The light-shielding plate (33) is rotatably connected to the inner wall of the light-transmitting channel (31) via a central axis.

4. A light-controlled lamp according to claim 3, characterized in that: The central axis of the light-shielding plate (33) has a built-in torque limiter.

5. A light-controlled lamp according to claim 3, characterized in that: A polarizing filter (34) is detachably connected to the inside of the light-shielding plate (33).

6. A light-controlled lamp according to claim 1, characterized in that: The thickness of the heat dissipation fins (21) decreases from the bottom to the top of the lamp cup (2) to form a heat dissipation channel (22) that gradually increases from bottom to top.

7. A light-controlled lamp according to claim 6, characterized in that: The heat dissipation fins (21) have upwardly inclined guide vanes (24) on both sides of their ends, forming an upward airflow channel between adjacent guide vanes (24), and the surface of the guide vanes (24) has several drag-reducing holes.

8. A light-controlled lamp according to claim 1, characterized in that: The heat dissipation fins (21) and the lamp cup (2) are integrally formed.

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