Light-transmitting cover for lamp and lamp
By setting up concave and convex light distribution cavities and arc-shaped transition designs on the inner surface of the light-transmitting cover, the problems of uneven light and glare of the desk lamp are solved, and the user experience of the lamp is improved.
Patent Information
- Application Number
- CN202422679823.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-04
AI Technical Summary
The light shield of existing desk lamps lacks a light distribution design, resulting in uneven light emitted by the LED light source module, severe glare, and a poor user experience.
A number of concave and convex light distribution cavities are set on the inner surface of the light-transmitting plate of the light-transmitting cover, with a depth ranging from 0.5cm to 1cm. The array distribution and arc-shaped transition design ensure that the light is evenly diffused and softly emitted.
It achieves uniform diffusion of lamp light, avoids glare, and improves the user experience.
Smart Images

Figure CN223375627U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of lamps, in particular to a light-transmitting cover for a lamp and the lamp. Background Art
[0002] Generally, a desk lamp includes an LED light source module and a light-transmitting cover. The light-transmitting cover mainly functions to transmit light emitted by the LED light source module to the outside and to protect the LED light source module.
[0003] Because LED light sources have strong directionality and point-like spacing distribution, and the existing desk lamp's light cover is not designed for light distribution, the LED light source module may have problems such as glare, harsh light, and poor uniformity, resulting in a poor user experience of the desk lamp. Utility Model Content
[0004] The purpose of the utility model is to solve the problems in the prior art of the lamp light cover having no light distribution design, resulting in the lamp lacking anti-glare function, uneven light passing through the light translucent sheet, and low light output efficiency.
[0005] In particular, the utility model proposes a light-transmitting cover for a lamp, comprising a light-transmitting plate, the inner surface of which is provided with a plurality of concave and convex light distribution cavities, the depth of the light distribution cavity being between 0.5cm and 1cm, so that the light of the lamp can be evenly diffused and the light output of the lamp is soft.
[0006] The diameter of the light-transmitting plate is between 100 cm and 110 cm; and / or,
[0007] The plurality of concave and convex light distribution cavities are arranged in an array on the inner surface of the light-transmitting plate. The projection of the light distribution cavity on the outer surface of the light-transmitting plate is a rectangle, and the side length of the outer contour of the projection is between 3cm and 4cm.
[0008] Optionally, a concave arcuate surface is provided at the top of the side wall between two adjacent light distribution cavities, the arcuate surface smoothly transitions with the side wall of the light distribution cavity, and the ratio of the depth to the arc length of the arcuate surface is between 0.1-0.2.
[0009] Optionally, the side wall of the light distribution cavity is a part of a sphere.
[0010] Optionally, the thickness of the light-transmitting plate is between 2.5 cm and 3.5 cm.
[0011] Optionally, the light-transmitting cover further comprises a first annular member arranged on the periphery of the light-transmitting plate and a second annular member arranged on the periphery of the first annular member and spaced apart from the first annular member, the bottom ends of the first annular member and the second annular member being connected to form a receiving groove for placing the lamp ring of the lamp.
[0012] Optionally, the height of the first annular member is between 6 cm and 7 cm.
[0013] Optionally, the lamp is a table lamp or a floor lamp; and / or,
[0014] The lamp further comprises a base, a lamp pole and a lamp head. The light-transmitting cover is arranged at the bottom of the lamp head, and the outer side surface of the light-transmitting cover faces the base.
[0015] Optionally, a avoidance hole for the lamp pole to pass through is provided at the center of the light-transmitting plate.
[0016] According to another aspect of the present invention, a lamp is provided, which is any of the lamps described above.
[0017] The utility model provides a plurality of concave and convex light distribution cavities on the inner surface of the light-transmitting plate of the light-transmitting cover, and makes the depth of the light distribution cavity between 0.5cm and 1cm, so that the light of the lamp can be evenly diffused, the light output of the lamp is soft, glare problems are avoided, and the user experience of the lamp is improved.
[0018] Furthermore, by making the diameter of the light-transmitting plate between 100cm and 110cm, and making multiple concave and convex light distribution cavities distributed in an array on the inner surface of the light-transmitting plate, the projection of the light distribution cavity on the outer surface of the light-transmitting plate is rectangular, and the side length of the outer contour of the projection is between 3cm and 4cm, so that the number of light distribution cavities is at an appropriate level, thereby ensuring that the light of the lamp is evenly diffused, the light output of the lamp is soft, avoiding glare problems, and improving the user experience of the lamp.
[0019] Furthermore, by providing a concave arc surface at the top of the side wall between two adjacent light distribution cavities, the arc surface and the side wall of the light distribution cavity have a smooth transition, and the ratio between the depth and the side length of the arc surface is between 0.1-0.2, the light of the lamp can be reflected and refracted multiple times by the arc surface, further making the light of the lamp evenly diffused and the light output soft.
[0020] Furthermore, by making the side wall of the light distribution cavity a part of a sphere, that is, the side wall of the light distribution cavity is an arc surface, the light is reflected and refracted multiple times in the light-transmitting cover, thereby further ensuring that the light of the lamp is evenly diffused, the light output of the lamp is soft, and glare problems are avoided.
[0021] Furthermore, by making the thickness of the light-transmitting plate between 2.5cm and 3.5cm, the uniformity of light, transmission brightness and visual effect can be ensured.
[0022] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below.
[0023] Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will become more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:
[0025] Figure 1 is a first structural schematic diagram of a lamp according to some embodiments of the present utility model;
[0026] Figure 2 is a second structural schematic diagram of a lamp according to some embodiments of the present utility model;
[0027] Figure 3 yes Figure 2 Schematic diagram of the structure of the middle light-transmitting cover;
[0028] Figure 4 yes Figure 3 a cross-sectional view of the middle light-transmitting cover along section AA;
[0029] Figure 5 yes Figure 4 Enlarged schematic diagram of point B in the middle.
[0030] Description of reference numerals:
[0031] 1. Lamps;
[0032] 100, lamp holder; 111, light-transmitting plate; 1111, light distribution cavity; 1112, avoidance hole; 1113, arc-shaped surface; 112, first annular member; 113, second annular member; 114, receiving groove;
[0033] m, depth of the light distribution cavity; D, diameter of the light-transmitting plate; L, side length of the projected outer contour; T, depth of the arc surface; S, side length of the arc surface; F, thickness of the light-transmitting plate; H, height of the first annular member;
[0034] 200, light pole;
[0035] 300. Base. DETAILED DESCRIPTION
[0036] In the following text, the orientations or positional relationships indicated by “top”, “bottom”, “inside”, “outside”, etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0037] Unless otherwise specified or limited, the term "connection" should be understood broadly. For example, it can mean fixed connection, detachable connection, or integration; it can mean mechanical connection or electrical connection; it can mean direct connection or indirect connection through an intermediate medium; it can mean internal communication between two elements or interaction between two elements, unless otherwise specified. A person of ordinary skill in the art should be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0038] In the description of the present embodiment, reference to the term "some embodiments" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in any one or more embodiments or examples.
[0039] Unless otherwise defined, all terms (including technical terms and scientific terms) used in the description of the embodiments of the present invention have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0040] See also Figure 1 、 2 As shown, the lamp 1 provided by the present invention can be a movable lamp 1 such as a table lamp or a floor lamp.
[0041] Continue to see Figure 1 、 2 As shown, the lamp 1 includes a base 300 , a lamp pole 200 and a lamp holder 100 , wherein two ends of the lamp pole 200 are connected to the base 300 and the lamp holder 100 respectively.
[0042] See also Figure 2 、 3 As shown, the lamp holder 100 includes a light-transmitting cover 110 , which is arranged at the bottom of the lamp holder 100 , and the outer side of the light-transmitting cover 110 faces the base 300 . A avoidance hole 1112 for the lamp pole 200 to pass through is provided in the center of the light-transmitting cover 110 .
[0043] See also Figure 3-5As shown, by providing a plurality of concave and convex light distribution cavities 1111 on the inner surface of the light-transmitting plate 111, and making the depth m of the light distribution cavity 1111 between 0.5 cm and, for example, 0.5 cm, 0.6 cm, 0.8 cm, 0.9 cm, and 1 cm, the light of the lamp 1 can be evenly diffused, the light output of the lamp 1 is soft, glare problems are avoided, and the user experience of the lamp 1 is improved.
[0044] Continue to see Figure 3 As shown, in some embodiments of the present invention, the diameter D of the light-transmitting plate 111 is between 100 cm and 110 cm, for example, 100 cm, 105 cm, 107 cm, 108 cm, 110 cm; and / or
[0045] A plurality of concave and convex light distribution cavities 1111 are distributed in an array on the inner surface of the light-transmitting plate 111. The projection of the light distribution cavity 1111 on the outer surface of the light-transmitting plate 111 is a rectangle, and the side length L of the outer contour of the projection is between 3cm and 4cm, for example, 3cm, 3.5cm, 3.8cm, and 4cm.
[0046] It should be noted that the light distribution cavity 1111 can be set to other shapes according to actual applications, such as circle, triangle, etc., and the present invention does not make any special limitation on this.
[0047] Those skilled in the art will appreciate that by making the diameter D of the light-transmitting plate 111 between 100 cm and 110 cm, and making a plurality of concave and convex light distribution cavities 1111 distributed in an array on the inner surface of the light-transmitting plate 111, the projection of the light distribution cavity 1111 on the outer surface of the light-transmitting plate 111 is rectangular, and the side length L of the outer contour of the projection is between 3 cm and 4 cm, so that the number of light distribution cavities 1111 is at an appropriate level, thereby ensuring that the light of the lamp 1 is evenly diffused, the light output of the lamp 1 is soft, avoiding glare problems, and improving the user experience of the lamp 1.
[0048] See also Figure 2 、 3 As shown, in some embodiments of the present invention, a concave arcuate surface 1113 is provided at the top of the side wall between two adjacent light distribution cavities 1111. The arcuate surface 1113 smoothly transitions with the side wall of the light distribution cavity 1111. The ratio of the depth T of the arcuate surface 1113 to the side length S is between 0.1 and 0.2, wherein the side length S of the arcuate surface 1113 refers to the length of the long side of the arcuate surface 1113.
[0049] Optionally, the depth T of the arcuate surface 1113 is between 0.4m-1cm; the side length S of the arcuate surface 1113 is between 4cm-5cm.
[0050] If the depth T of the arc-shaped surface 1113 is 0.75 cm and the side length S of the arc-shaped surface 1113 is 4.7 cm, then the ratio of the depth T to the side length S of the arc-shaped surface 1113 is 0.16.
[0051] It will be understood by those skilled in the art that by providing a concave arc surface 1113 at the top of the side wall between two adjacent light distribution cavities 1111, the arc surface 1113 and the side wall of the light distribution cavity 1111 are smoothly transitioned, and the ratio between the depth T and the side length S of the arc surface 1113 is between 0.1-0.2, the light of the lamp 1 can be reflected and refracted multiple times by the arc surface 1113, further making the light of the lamp 1 evenly diffused and the light of the lamp 1 soft.
[0052] See also Figure 4 、 5 As shown, the side wall of the light distribution cavity 1111 is a part of a sphere.
[0053] Those skilled in the art will understand that by making the side wall of the light distribution cavity 1111 a part of a sphere, that is, the side wall of the light distribution cavity 1111 is an arc surface, the light is reflected and refracted multiple times in the transparent cover 110, thereby further ensuring that the light of the lamp 1 is evenly diffused, the light output of the lamp 1 is soft, and glare problems are avoided.
[0054] See also Figure 3 、 4 As shown, in some embodiments of the present invention, the thickness f of the light-transmitting plate 111 is between 2.5 cm and 3.5 cm, for example, 2.5 cm, 2.9 cm, 3.1 cm, 3.3 cm, and 3.5 cm.
[0055] The thickness f of the light-transmitting plate 111 is set between 2.5 cm and 3.5 cm, thereby ensuring the uniformity of light, transmission brightness, and visual effect of the lamp 1 .
[0056] See also Figure 3 、 4 As shown, the light-transmitting cover 110 of the lamp 1 also includes a first annular member 112 arranged on the periphery of the light-transmitting plate 111 and a second annular member 113 arranged on the periphery of the first annular member 112 and spaced apart from the first annular member 112. The bottom ends of the first annular member 112 and the second annular member 113 are connected to form a receiving groove 114 for placing the light ring of the lamp 1.
[0057] The height H of the first annular member 112 is between 6 cm and 7 cm, such as 6 cm, 6.5 cm, or 7 cm.
[0058] Optionally, the overall diameter of the light-transmitting cover is between 115 cm and 125 cm, for example, 115 cm, 120 cm, or 125 cm.
[0059] Those skilled in the art will understand that, by making the light-transmitting cover 110 of the lamp 1 also include a first ring-shaped member 112 arranged on the periphery of the light-transmitting plate 111 and a second ring-shaped member 113 arranged on the periphery of the first ring-shaped member 112 and spaced apart from the first ring-shaped member 112, and by connecting the bottom ends of the first ring-shaped member 112 and the second ring-shaped member 113, a receiving groove 114 for placing the light ring of the lamp 1 is formed between the first ring-shaped member 112 and the second ring-shaped member 113.
[0060] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications consistent with the principles of the present invention can be directly determined or deduced from the contents disclosed herein without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.
Claims
1. A light-transmitting cover for a lamp, characterized in that: It comprises a light-transmitting plate, the inner surface of which is provided with a plurality of light distribution cavities alternately formed with concave and convex shapes, the depth of the light distribution cavities being between 0.5cm and 1cm, so that the light of the lamp can be evenly diffused and the light output of the lamp can be soft.
2. The light-transmitting cover according to claim 1, wherein: The diameter of the light-transmitting plate is between 100 cm and 110 cm; and / or, The plurality of concave and convex light distribution cavities are arranged in an array on the inner surface of the light-transmitting plate. The projection of the light distribution cavity on the outer surface of the light-transmitting plate is a rectangle, and the side length of the outer contour of the projection is between 3cm and 4cm.
3. The light-transmitting cover according to claim 2, wherein: The top of the side wall between two adjacent light distribution cavities is provided with a concave arc surface, the arc surface smoothly transitions to the side wall of the light distribution cavity, and the ratio between the depth and arc length of the arc surface is between 0.1-0.
2.
4. The light-transmitting cover according to claim 1, wherein: The side wall of the light distribution cavity is a part of a sphere.
5. The light-transmitting cover according to claim 1, wherein: The thickness of the light-transmitting plate is between 2.5 cm and 3.5 cm.
6. The light-transmitting cover according to claim 1, wherein: The light-transmitting cover further includes a first annular member arranged on the periphery of the light-transmitting plate and a second annular member arranged on the periphery of the first annular member and spaced apart from the first annular member. The bottom ends of the first annular member and the second annular member are connected to form a receiving groove for placing the lamp ring of the lamp.
7. The light-transmitting cover according to claim 6, wherein: The height of the first annular member is between 6 cm and 7 cm.
8. The light-transmitting cover according to claim 1, wherein: The lamp is a table lamp or a floor lamp; and / or, The lamp further comprises a base, a lamp pole and a lamp head. The light-transmitting cover is arranged at the bottom of the lamp head, and the outer side surface of the light-transmitting cover faces the base.
9. The light-transmitting cover according to claim 8, wherein: The center of the light-transmitting plate is provided with an avoidance hole for the lamp pole to pass through.
10. A lamp, characterized in that: The lamp according to any one of claims 1 to 9.