Light-transmitting cover for lamp and lamp
By designing multiple concave-convex fan-shaped light distribution cavities and concentric circle baffle structures on the light-transmitting plate, the problem of the lack of light distribution design in the lamp's light-transmitting cover is solved, achieving uniform light diffusion and soft light output, thus improving the user experience.
Patent Information
- Application Number
- CN202422747870.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-11
AI Technical Summary
The existing desk lamps lack light distribution design in their light-transmitting covers, resulting in glare, uneven and non-soft light from the LED light source module, which affects the user experience.
Design a light-transmitting plate whose inner surface emits outward from preset points to form multiple concave and convex fan-shaped light distribution cavities, which are then divided into multiple segments by concentric circular baffles and combined with arc-shaped transitions to ensure uniform light diffusion.
It effectively avoids glare problems, improves the uniformity and softness of light from the lamps, and enhances the user experience.
Smart Images

Figure CN223677623U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lamp field especially is related to a light cover for lamps and lanterns and lamps and lanterns. BACKGROUND
[0002] Generally, the desk lamp includes LED light source module and light cover, and the main function of light cover is to make the light emitted by LED light source module to the outside and protect LED light source module.
[0003] Because of the characteristics of strong directivity and point spacing distribution of LED light source, and the light cover of the existing desk lamp has no light distribution design, the LED light source module may have problems such as glare, inharmonious light and poor uniformity, resulting in poor user experience of the desk lamp. INVENTION CONTENTS
[0004] The utility model aims at solving the problem that the light cover of the lamp in the prior art has no light distribution design, resulting in the lamp lacking anti-glare function, the light passing through the light transmission sheet being inhomogeneous and the light emission efficiency being low.
[0005] Particularly, the utility model provides a light cover for lamps and lanterns, which comprises a light transmission plate, a plurality of concave-convex alternating fan-shaped light distribution cavities are formed by outward emission of an inner surface of the light transmission plate at a preset point, and the depth of the fan-shaped light distribution cavities is between 0.8 cm and 1.2 cm.
[0006] Optionally, a plurality of concentric circular baffles are arranged on the inner surface of the light transmission plate from near to far or from far to near relative to the preset point, and any light distribution cavity is divided into a plurality of sub-light distribution cavities arranged from near to far or from far to near relative to the preset point by the plurality of concentric circular baffles.
[0007] Optionally, the concentric circular baffles are three, and any light distribution cavity is divided into four sub-light distribution cavities by the plurality of concentric circular baffles.
[0008] Optionally, the top end of the baffle between any two adjacent sub-light distribution cavities is provided with a concave arc surface, the arc surface and the side wall of the sub-light distribution cavity are smoothly connected, and the depth of the arc surface is between 0.3 cm and 0.7 cm.
[0009] Optionally, the fan-shaped light distribution cavities are between 50 and 80, and the plurality of fan-shaped light distribution cavities are arranged at equal intervals along the circumferential direction of the light cover.
[0010] Optionally, the light transmission plate is a circular light transmission plate, and the preset point is the center of the light transmission plate; and / or
[0011] The thickness of the light transmission plate is between 2.6 cm and 3 cm.
[0012] Optionally, the light-transmitting plate is provided with a relief gap for avoiding the charging connector.
[0013] Optionally, the lamp is a desk lamp or a floor lamp; and / or,
[0014] The lamp further comprises a base, a lamp rod and a lamp head, the light-transmitting cover is arranged at the bottom of the lamp head, and the outer side of the light-transmitting cover faces the base.
[0015] Optionally, the center of the light-transmitting plate is provided with a relief hole for the lamp rod to pass through.
[0016] According to another aspect of the present application, a lamp is also provided, which is the lamp in any of the above.
[0017] The present application can make the light of the lamp evenly diffuse, the light of the lamp is soft, the problem of glare is avoided, and the use experience of the lamp for the user is improved.
[0018] Further, the inner surface of the light-transmitting plate is provided with a plurality of concentric circle baffles from the preset point by near to far or from far to near, so that any light distribution cavity is divided into a plurality of sub-light distribution cavities arranged from the preset point by near to far or from far to near by the plurality of concentric circle baffles. Through the joint action of the plurality of sub-light distribution cavities, the light of the lamp can be evenly diffused, the light of the lamp is soft, the problem of glare is avoided, and the use experience of the lamp for the user is improved.
[0019] Further, the top end of the baffles between any two adjacent sub-light distribution cavities is provided with a concave arc surface, and the arc surface and the side wall of the sub-light distribution cavity are smoothly transitioned, and the depth of the arc surface is between 0.3cm-0.7cm, so that the light of the lamp can be reflected and refracted multiple times through the arc surface, and the light of the lamp can be further evenly diffused, and the light of the lamp is soft.
[0020] Further, the fan-shaped light distribution cavity is between 50-80, and the plurality of fan-shaped light distribution cavities are equally spaced along the circumferential direction of the light-transmitting cover, so that the light distribution cavity is in a reasonable number, thereby further ensuring that the light of the lamp is evenly diffused, the light of the lamp is soft, the problem of glare is avoided, and the use experience of the lamp for the user is improved.
[0021] Further, the thickness of the light-transmitting plate is between 2.6cm-3cm, so that the uniformity, transmission brightness and visual effect of the light can be ensured.
[0022] The above description is only a summary of the technical scheme of the present application, in order to enable the technical means of the present application to be more clearly understood, the present application can be implemented according to the content of the specification, and in order to enable the above and other purposes, features and advantages of the present application to be more obvious and easy to understand, the specific embodiments of the present application are described below.
[0023] The above and other objects, advantages and features of the present application will become more apparent from the following detailed description of some embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0024] Some specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, which are shown by way of example and not limitation. The same reference numbers in the drawings indicate the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:
[0025] Figure 1 is a first schematic view of a lamp according to some embodiments of the present application;
[0026] Figure 2 is a second schematic view of a lamp according to some embodiments of the present application; Figure 1
[0027] Figure 3 is a third schematic view of a lamp according to some embodiments of the present application;
[0028] Figure 4 is a fourth schematic view of a lamp according to some embodiments of the present application; Figure 3
[0029] is a structure schematic view of a light-transmitting cover according to some embodiments of the present application; Figure 5 Figure 2 4 is a sectional view of the light-transmitting cover along A-A according to some embodiments of the present application;
[0030] Figure 6 is an enlarged schematic view of B according to some embodiments of the present application. Figure 5
[0031] Figure 7 Figure 6
[0032] BRIEF DESCRIPTION OF DRAWINGS
[0033] 1. a lamp;
[0034] 10. a lamp head; 110. a light-transmitting cover; 111. a light-transmitting plate; 1111. a preset point; 1112. a light distribution cavity; 11121. a sub light distribution cavity; 1113. a concentric circle baffle; 11131. an arc surface; 1114. an avoiding notch; 1115. an avoiding hole; 112. a first annular member; 113. a second annular member; 120. a lamp cover;
[0035] m, light distribution cavity depth; T, arc surface depth; F, light transmission plate thickness;
[0036] 20, lamp pole;
[0037] 30, base. DETAILED DESCRIPTION
[0038] Hereinafter, the orientation or positional relationship indicated by "top", "bottom", "inner", "outer", "upper", "lower" and the like is based on the orientation or positional 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 therefore cannot be understood as a limitation on the present application.
[0039] Unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. Those skilled in the art should be able to understand the specific meaning of the above-mentioned term in the present application according to the specific circumstances.
[0040] In the description of the present embodiment, the description of the term "some embodiments" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above-mentioned 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 one or more embodiments or examples in a suitable manner.
[0041] Unless otherwise limited, all terms (including technical terms and scientific terms) used in the description of the embodiments of the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0042] Referring to Figures 1-4 As shown in the drawings, the lamp 1 proposed by the present application can be a movable lamp 1 such as a table lamp or a floor lamp. The lamp 1 can include a base 30, a lamp pole 20 and a lamp head 10, wherein the two ends of the lamp pole 20 are respectively connected with the base 30 and the lamp head 10.
[0043] The lamp head 10 includes a lamp shade 120 and a light transmission cover 110, and the lamp shade 120 can be a flowerpot-shaped or bowl-shaped inverted buckle. The light transmission cover 110 is arranged at the bottom of the lamp head 10, i.e. the bottom of the lamp shade 120, and the outer side of the light transmission cover 110 faces the base 30, and the center of the light transmission cover 110 is provided with a avoiding hole 1115 for the lamp pole 20 to pass through.
[0044] Referring to Figures 5-7 As shown in the figure, the light-transmitting cover 110 comprises a light-transmitting plate 111, and an inner surface of the light-transmitting plate 111 emits a plurality of concave-convex alternating fan-shaped light distribution cavities 1112 outwardly at a preset point 1111, and a depth m of the fan-shaped light distribution cavities 1112 is between 0.8 cm and 1.2 cm, for example, 0.8 cm, 1 cm, 1.2 cm.
[0045] Those skilled in the art can understand that, by making the inner surface of the light-transmitting plate 111 emit a plurality of concave-convex alternating fan-shaped light distribution cavities 1112 outwardly at a preset point 1111, and making the depth m of the fan-shaped light distribution cavities 1112 be between 0.8 cm and 1.2 cm, the light of the lamp 1 can be uniformly diffused, the lamp 1 emits light softly, the problem of glare is avoided, and the user experience of the lamp 1 is improved.
[0046] Continuing to refer to Figure 5 As shown in the figure, in some embodiments of the utility model, a plurality of concentric circular baffles 1113 are arranged on the inner surface of the light-transmitting plate 111 from near to far or from far to near to the preset point 1111, any light distribution cavity is divided into a plurality of sub-light distribution cavities 11121 arranged from near to far or from far to near to the preset point 1111 by the plurality of concentric circular baffles 1113, and the projection shape of the sub-light distribution cavity 11121 can be selected to be rectangular.
[0047] Optionally, the concentric circular baffles 1113 are three, and any light distribution cavity is divided into four sub-light distribution cavities 11121 by the plurality of concentric circular baffles 1113.
[0048] It should be noted that the number of the concentric circular baffles 1113 can be set according to actual conditions, and the utility model does not make too many limitations.
[0049] Those skilled in the art can understand that, by making a plurality of concentric circular baffles 1113 be arranged on the inner surface of the light-transmitting plate 111 from near to far or from far to near to the preset point 1111, any light distribution cavity 1112 is divided into a plurality of sub-light distribution cavities 11121 arranged from near to far or from far to near to the preset point 1111 by the plurality of concentric circular baffles 1113. Through the common action of the plurality of sub-light distribution cavities 11121, the light of the lamp 1 can be uniformly diffused, the lamp 1 emits light softly, the problem of glare is avoided, and the user experience of the lamp 1 is improved.
[0050] Continuing to refer to Figure 6 , 7As shown in some embodiments of the utility model, the top end of the baffle 1113 between any two adjacent sub-light distribution cavities 11121 is provided with a concave arc surface 11131, the arc surface 11131 and the side wall of the sub-light distribution cavity 11121 are smoothly transitioned, the depth T of the arc surface 11131 is between 0.3cm-0.7cm, for example, 0.3cm, 0.5cm, 0.7cm.
[0051] Those skilled in the art can understand that, by providing the top end of the side wall between the adjacent two sub-light distribution cavities 11121 with the concave arc surface 11131, smoothly transitioning the arc surface 11131 and the side wall of the sub-light distribution cavity 11121, and making the depth T of the arc surface 11131 between 0.3cm-0.7cm, the light of the lamp 1 can be reflected and refracted multiple times through the arc surface 11131, further uniformly diffusing the light of the lamp 1, and the light of the lamp 1 is soft.
[0052] Continuing to refer to Figure 5 As shown in some embodiments of the utility model, the fan-shaped light distribution cavity 1112 is between 50-80, for example, 50, 60, 70, 80, and the plurality of fan-shaped light distribution cavities 1112 are equidistantly arranged along the circumferential direction of the light-transmitting cover 110.
[0053] If the fan-shaped light distribution cavity 1112 is 70, the fan-shaped light distribution cavity 1112 is 5.14°.
[0054] Those skilled in the art can understand that, by making the fan-shaped light distribution cavity 1112 between 50-80 and equidistantly arranging the plurality of fan-shaped light distribution cavities 1112 along the circumferential direction of the light-transmitting cover 110, the light distribution cavity 1112 is in a reasonable number, thereby further ensuring the uniform diffusion of the light of the lamp 1, the soft light of the lamp 1, avoiding the problem of glare, and improving the user experience of the lamp 1.
[0055] Continuing to refer to Figures 5-7 As shown in some embodiments of the utility model,
[0056] The light-transmitting plate 111 is a circular light-transmitting plate 111, and the preset point 1111 is the center of the light-transmitting plate 111; and / or
[0057] The thickness F of the light-transmitting plate 111 is between 2.6cm-3cm, for example, 2.6cm, 2.8cm, 3cm.
[0058] It should be noted that the shape of the light-transmitting plate 111 can be determined according to actual conditions, and the utility model does not make too many limitations.
[0059] Those skilled in the art can understand that, by making the thickness F of the light-transmitting plate 111 between 2.6cm-3cm, the uniformity, transmission brightness and visual effect of the light can be ensured
[0060] With continued reference to Figure 5 As shown, in some embodiments of the present application, the light-transmitting plate 111 is provided with a relief gap 1114 for avoiding the charging connector.
[0061] Optionally, the relief gap 1114 is a wine bottle-shaped relief gap 1114.
[0062] As can be understood by those skilled in the art, by providing the light-transmitting plate 111 with the relief gap 1114 for avoiding the charging connector, the lamp 1 can be charged through the lamp holder 10.
[0063] With continued reference to Figures 5-6 As shown, in some embodiments of the present application, the light-transmitting cover 110 further comprises a first annular member 112 arranged at the outer periphery of the light-transmitting plate 111 and a second annular member 113 extending upward from the top end of the first annular member 112, and the first annular member 112 and the second annular member 113 are configured to be connected to the bottom side of the lamp cover 120 so as to arrange the light-transmitting cover 110 at the bottom side of the lamp holder 10.
[0064] At this point, those skilled in the art should recognize that, although the present application has been fully illustrated and described herein with reference to a plurality of exemplary embodiments, many other variants or modifications in accordance with the principles of the present application can be directly determined or deduced from the disclosure of the present application without departing from the spirit and scope of the present application. Therefore, the scope of the present application should be understood and recognized as covering all these other variants or modifications.
Claims
1. A light transmissive cover for a luminaire, characterized in that, The light-transmitting plate has an inner surface that outwardly emits a plurality of concave-convex alternating fan-shaped light distribution cavities with a preset point, and the depth of the fan-shaped light distribution cavities is between 0.8 cm and 1.2 cm.
2. The light-transmitting cover according to claim 1, wherein, a plurality of concentric circle baffles are arranged on the inner surface of the light-transmitting plate from near to far or from far to near with respect to the preset point, and any light distribution cavity is divided into a plurality of sub-light distribution cavities arranged from near to far or from far to near with respect to the preset point by the plurality of concentric circle baffles.
3. The light-transmitting cover according to claim 2, wherein, the concentric circle baffles are three, and any light distribution cavity is divided into four sub-light distribution cavities by the plurality of concentric circle baffles.
4. The light-transmitting cover according to claim 2, wherein, a concave arc surface is arranged at the top end of the baffles between any two adjacent sub-light distribution cavities, the arc surface is smoothly transitioned with the side wall of the sub-light distribution cavity, and the depth of the arc surface is between 0.3 cm and 0.7 cm.
5. The light-transmitting cover according to claim 1, wherein, the fan-shaped light distribution cavities are between 50 and 80, and the plurality of fan-shaped light distribution cavities are arranged at equal intervals along the circumferential direction of the light-transmitting cover.
6. The light-transmitting cover according to claim 1, wherein, the light-transmitting plate is a circular light-transmitting plate, and the preset point is the center of the light-transmitting plate; and / or the thickness of the light-transmitting plate is between 2.6 cm and 3 cm.
7. The light-transmitting cover according to claim 1, wherein, the light-transmitting plate is provided with a relief notch for avoiding a charging connector.
8. The light-transmitting cover according to any one of claims 1 to 7, wherein, the lamp is a table lamp or a floor lamp; and / or the lamp further comprises a base, a lamp rod and a lamp head, the light-transmitting cover is arranged at the bottom of the lamp head, and the outer side 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 a relief hole for the lamp rod to pass through.
10. A luminaire characterized by, The light-transmitting cover for a lamp according to any one of claims 1 to 9.