LED table lamp capable of adjusting brightness according to ambient light
By introducing a light intensity sensor and control module into the LED desk lamp, the brightness can be automatically adjusted, solving the problem of inflexible brightness adjustment in existing desk lamps, improving the user experience and reducing production costs.
Patent Information
- Application Number
- CN202520350969.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing LED desk lamps have poor brightness adjustment flexibility, requiring manual operation and are inconvenient to use.
A light intensity sensor is used to detect ambient light, and the control module automatically adjusts the brightness of the LED desk lamp based on the detection results. Brightness adjustment is achieved by controlling different numbers of LEDs to operate.
This technology enables LED desk lamps to automatically adjust their brightness based on ambient light, improving flexibility and reducing production difficulty and costs.
Smart Images
Figure CN223809930U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of LED lamps, in particular to an LED desk lamp capable of adjusting its brightness according to ambient light. BACKGROUND
[0002] The LED desk lamp is one of the most commonly used lighting tools in home life and office. The existing LED desk lamp can only be manually adjusted in brightness by the user, and has poor flexibility and is inconvenient to use. CONTENT
[0003] In order to solve the problem of poor flexibility of the existing LED desk lamp, the present application provides an LED desk lamp capable of adjusting its brightness according to ambient light. The specific technical scheme of the present application is as follows:
[0004] The LED desk lamp capable of adjusting its brightness according to ambient light comprises a control module, a base, an LED lamp, a lamp barrel and an illumination intensity sensor. The top of the base is provided with a plurality of lamp holders. The LED lamp is vertically arranged on the lamp holder. The lamp barrel is sleeved on the LED lamp. The illumination intensity sensor is arranged on the side of the base. The control module is arranged in the base and connected with the illumination intensity sensor and the lamp holder respectively. The control module is used to sequentially power on the lamp holder according to the illumination intensity of the ambient light detected by the illumination intensity sensor.
[0005] Further, the base is in the shape of a four-corner star. The lamp holder is arranged on the four corners of the base in the shape of a four-corner star.
[0006] Further, the LED desk lamp comprises four LED lamp barrels. The lengths of the four LED lamp barrels are different.
[0007] Further, the base is provided with a battery. The side of the base is provided with a power inlet and a charging inlet. The power inlet and the charging inlet are connected with the battery respectively.
[0008] Further, the LED desk lamp further comprises a reflector and a barrel cover. The reflector is vertically arranged downward on the top end of the lamp barrel. The barrel cover is sleeved on the upper end of the lamp barrel and used to fix the reflector.
[0009] Further, the reflector is a convex mirror.
[0010] Compared with the prior art, the LED table lamp has the advantages that the LED table lamp is provided with the illumination intensity sensor, and the brightness of the LED table lamp can be automatically adjusted according to the illumination intensity of the ambient light, so that the flexibility is high; the LED table lamp adjusts the brightness by controlling the working of different numbers of LED lamps, so that the structure is simple, and the production difficulty and cost are reduced; and the illumination intensity sensor is arranged on the side of the lamp holder, so that the influence of the light of the LED table lamp on the illumination intensity sensor is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 A structure diagram of the LED table lamp in an embodiment of the present application Figure 1 ;
[0012] Figure 2 An exploded diagram of the LED table lamp in an embodiment of the present application Figure 1 ;
[0013] Figure 3 An exploded diagram of the LED table lamp in an embodiment of the present application Figure 2 ;
[0014] Figure 4 A sectional view of the LED table lamp in an embodiment of the present application
[0015] Figure 5 A structure diagram of the LED table lamp in an embodiment of the present application Figure 2 . DETAILED DESCRIPTION
[0016] The embodiments of the present application are described in detail below, and the embodiments are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout.
[0017] In the description of the present application, it should be noted that, for orientation words, such as the terms “center”, “transverse”, “longitudinal”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise”, etc., the orientation and position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does 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 cannot be understood as limiting the specific protection scope of the present application.
[0018] In addition, the terms "first", "second", "third", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or a quantity of technical features. Thus, the terms "first", "second", "third", etc. can explicitly or implicitly include one or more of the features, and the meaning of "at least one" in the description herein is one or more, unless otherwise specifically defined and limited.
[0019] In the present application, unless otherwise specifically defined and limited, the terms "assembly", "connection", "linkage" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection; it can be direct connection, or connection through intermediate medium; it can be internal connection of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0020] In the present application, unless otherwise specifically defined and limited, the terms "assembly", "connection", "linkage" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection; it can be direct connection, or connection through intermediate medium; it can be internal connection of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0021] The technical solutions of the present application and their beneficial effects will be more clear and explicit by further describing the specific embodiments of the present application in combination with the accompanying drawings of the present application. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, but cannot be understood as a limitation of the present application.
[0022] As shown in Figure 1 and Figure 5 An LED desk lamp adjusting its brightness according to ambient light, comprising a control module 1, a base 2, an LED lamp 3, a lamp cylinder 4 and an illumination intensity sensor 5, the top of the base 2 is provided with a plurality of lamp holders 6, the LED lamp 3 is vertically arranged on the lamp holders 6, the lamp cylinder 4 is sleeved on the LED lamp 3, the illumination intensity sensor 5 is arranged on the side of the base 2, the control module 1 is arranged in the base 2 and connected with the illumination intensity sensor 5 and the lamp holders 6 respectively, the control module 1 is used for sequentially energizing the lamp holders 6 according to the illumination intensity of the ambient light detected by the illumination intensity sensor 5. When the control module 1 sets multiple detection thresholds, when the detection value of the illumination intensity sensor exceeds each detection threshold, one lamp holder 6 is energized, so that the LED lamp 3 is turned on, and the brightness of the LED desk lamp is improved.
[0023] As one of the embodiments, the base 2 is a four-star shape, and the lamp holder 6 is arranged on the four corners of the four-star shaped base 2, so that the four corners of the base 2 are circular.
[0024] As one of the embodiments, the LED table lamp comprises four LED lamp tubes 4, and the four LED lamp tubes 4 have different lengths. The material of the lamp tube 4 is a light-transmitting acrylic plate.
[0025] As one of the embodiments, the LED table lamp comprises four LED lamp tubes 4, and the four LED lamp tubes 4 have the same length. The material of the lamp tube 4 is a light-transmitting acrylic plate.
[0026] As one of the embodiments, the base 2 is provided with a battery 7, and the side surface of the base 2 is provided with a power inlet 8 and a charging inlet 9, which are connected to the battery 7 respectively. The charging inlet 9 is a USB interface, which can be used to supply power to electronic products.
[0027] As one of the embodiments, the LED table lamp further comprises a reflector 10 and a tube cover 11. The reflector 10 is arranged vertically downward at the top end of the lamp tube 4, and the tube cover 11 is sleeved on the upper end of the lamp tube 4, and is used to fix the reflector 10.
[0028] As one of the embodiments, the reflector 10 is a convex mirror. The convex mirror can scatter the upward light of the LED lamp 3 to the outside, so that the LED table lamp is brighter.
[0029] The LED table lamp described in the present application is provided with a light intensity sensor 5. The LED table lamp can automatically adjust the brightness of the LED table lamp according to the light intensity of the ambient light, and has high flexibility. The LED table lamp adjusts the brightness by controlling the working of different numbers of LED lamps 3, and has simple structure, which reduces the production difficulty and production cost. The light intensity sensor 5 is arranged on the side surface of the lamp holder 6, which effectively reduces the influence of the light of the LED table lamp itself on the light intensity sensor 5.
[0030] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application, and the illustrative description of the above terms in the specification does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. The connection mode in the description of the specification has obvious effects and practical effects.
[0031] Through the above description of the structure and principle, those skilled in the art should understand that the present application is not limited to the above specific embodiments, and improvements and substitutions of the technology known in the art based on the present application all fall within the protection scope of the present application, which should be defined by the claims.
Claims
1. A LED desk lamp which adjusts its brightness according to ambient light, characterized in that, The utility model relates to a LED desk lamp, including: Control module, base, LED lamp, lamp cylinder and illumination intensity sensor, the top of base is provided with a plurality of lamp holders, the LED lamp is vertically arranged on the lamp holder, the lamp cylinder is sleeved on the LED lamp, the illumination intensity sensor is arranged on the side of base, the control module is arranged in the base and is connected with illumination intensity sensor and lamp holder respectively, the control module is used for according to the illumination intensity of ambient light that illumination intensity sensor detects, in turn for the lamp holder power on.
2. The LED table lamp adjusting its brightness according to ambient light according to claim 1, characterized in that, The base is a four-corner star shape, and the lamp holders are arranged on the four corners of the four-corner star-shaped base.
3. The LED desk lamp adjusting its brightness according to ambient light according to claim 2, characterized in that, The LED desk lamp includes four LED lamp cylinders, and the four LED lamp cylinders have different lengths.
4. The LED table lamp adjusting its brightness according to ambient light according to claim 2, characterized in that, The base is provided with a battery, and the side of the base is provided with a power inlet and a charging inlet, which are connected with the battery respectively.
5. The LED table lamp adjusting its brightness according to ambient light according to claim 1, characterized in that, The LED desk lamp further includes a reflector and a cylinder cover, the reflector is vertically downward arranged at the top end of the lamp cylinder, and the cylinder cover is sleeved on the upper end of the lamp cylinder to fix the reflector.
6. The LED table lamp adjusting its brightness according to ambient light according to claim 5, characterized in that, The reflector is a convex mirror.