WO2022266801A1

WO2022266801A1 - Ceiling lamp

Info

Publication number: WO2022266801A1
Application number: PCT/CN2021/101241
Authority: WO
Inventors: 林杰明; 李秀华; 郭土生
Original assignee: 福建萌牛智联照明有限公司
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-12-29
Also published as: CN218119556U

Abstract

A ceiling lamp, comprising a ceiling lamp main body (1). The ceiling lamp main body (1) comprises a lamp housing (11) and a diffusion plate (12); a horizontally arranged light guide plate (2) is mounted in a cavity that is enclosed by the lamp housing (11) and the diffusion plate (12); and an illumination light source lamp strip (3) and an ambient light source lamp strip (4) are further mounted in the cavity, wherein the ambient light source lamp strip (3) is located in the back direction of the light guide plate (2); and a light reflecting layer (5) is arranged on the back side of the light guide plate (2), and the outer diameter of the light reflecting layer (5) is slightly less than the outer diameter of the light guide plate (2), such that a circle of a light-transmitting area (21) that is not covered by the light reflecting layer (5) is formed on the light guide plate (2), and ambient light rays generated by the ambient light source lamp strip (4) are configured to be transmitted onto the light-transmitting area (21) of the light guide plate (2) by means of propagation. After passing through the light guide plate (2) and the diffusion plate (12), illumination light rays emitted by the illumination light source lamp strip (3) can radiate downwards to form an illumination light effect, and the ambient light rays generated by the ambient light source lamp strip (4) can be transmitted onto the light-transmitting area (21) of the light guide plate (2) by means of propagation, thereby generating an ambient light ring at the periphery of the diffusion plate (12) that can be more aesthetic.

Description

a ceiling lamp

technical field

The invention relates to the technical field of lighting devices, in particular to a ceiling lamp.

Background technique

Existing ceiling lamps generally only install a group of light sources for lighting inside the housing. Therefore, ordinary ceiling lamps usually only emit light for lighting, and their luminous effects are very single and lack market competitiveness. With the improvement of the level, the requirements for ceiling lamps are no longer limited to simple lighting use, and the aesthetics of the lighting effects of the products will also be considered.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a ceiling lamp, which mainly solves the technical problem that the existing ceiling lamps usually only emit light for illumination, and the luminous effect is very single and lacks market competitiveness.

To achieve the above object, the present invention is achieved through the following technical solutions:

A dome lamp, comprising a dome light main body, the dome light main body includes a lamp housing and a diffuser plate, a horizontally arranged light guide plate is installed in a cavity formed by the lamp housing and the diffuser plate, and an illumination light source lamp is also installed in the cavity Strip and ambient light strip, the lighting strip is arranged in a ring in the chamber and surrounds the light guide plate, and the lamp beads on the lighting strip are facing the side of the light guide plate, and the ambient light strip is located on the side of the light guide plate In the back direction, a reflective layer that can reflect the ambient light generated by the ambient light strip is provided on the back of the light guide plate. The outer diameter of the reflective layer is slightly smaller than the outer diameter of the light guide plate, so that a circle is formed on the light guide plate. In the light-transmitting area that is not covered by the reflective layer, the ambient light generated by the ambient light strip is configured to be transmitted to the light-transmitting area of the light guide plate to generate an ambient halo on the diffuser plate.

Furthermore, at least a light-transmitting part is formed on the back of the lamp housing, so that the ambient light generated by the ambient light strip in the chamber can pass through the light-transmitting part on the back of the lamp housing and irradiate outward to produce a rear projection light effect.

Further, the ambient light strip is arranged in a circular shape in the chamber and is located at the back of the light guide plate.

Further, each lamp bead of the ambient light strip is an RGB lamp bead or an RGBW lamp bead, and each lamp bead on the lighting light strip is an LED lamp bead.

Further, the ambient light generated by the ambient light strip in the chamber is configured to be able to strike the light-transmitting area of the light guide plate through one or more propagation modes of linear propagation, refraction and reflection.

Further, the ambient light generated by the ambient light strip in the chamber is configured to be able to pass through the light-transmitting part preset in the lamp housing and spread to the light-transmitting area of the light guide plate and/or pass through the light transmission area reserved in the ambient light strip The gap space between the light guide plate and the light transmission area of the light guide plate.

Further, the lamp housing includes an upper housing and a lower housing that can be fit together, the light-transmitting part is a ring-shaped structure disposed on the inner wall of the upper housing and protruding downward, and the ambient light source lamp strip is fixedly arranged on the transparent part of the ring-shaped structure. On the inner wall of the light part, the inner wall of the upper shell is also provided with a ring-shaped installation part that protrudes downward and is used to fix the light source lamp belt. The light source lamp belt is fixed on the inner wall of the ring-shaped installation part, and the transparent The outer diameter of the light part is slightly smaller than the outer diameter of the annular mounting part, and the outer diameter of the reflective layer is slightly larger than the outer diameter of the light-transmitting part of the ring structure.

Further, the upper case as a whole is an upper case made of light-transmitting material.

Further, the upper case is a light-transmitting PP material upper case or a light-transmitting PS material upper case or a light-transmitting PA material upper case or a light-transmitting PC material upper case.

Further, the bottom of the light-transmitting part is slightly higher than the upper surface of the light-reflecting layer in the cavity, so that a gap is formed between the light-transmitting part, the light-reflecting layer and the light guide plate, through which the ambient light generated by the ambient light source lamp strip can pass and propagate to the light guide plate. The interval space on the light-transmitting area.

The above technical solution has the following advantages or beneficial effects:

In the ceiling lamp of the present invention, two groups of light sources, the lighting source strip and the ambient light strip, and a horizontally arranged light guide plate are installed in the cavity formed by the lamp housing and the diffusion plate. The room is arranged in a ring and surrounds the light guide plate so that the illumination light emitted by the light source strip can radiate downward through the light guide plate and the diffuser plate to form lighting effects. At the same time, the ambient light source strip is located at the back of the light guide plate, and The back of the light plate is provided with a reflective layer with an outer diameter slightly smaller than the outer diameter of the light guide plate, so that a circle of light-transmitting areas not covered by the reflective layer is formed on the periphery of the light guide plate. Turn on the ambient light strip, and the ambient light generated by the ambient light strip in the chamber can be transmitted to the light-transmitting area of the light guide plate and then generate an atmosphere halo on the periphery of the diffuser plate that can improve the aesthetics. The ceiling lamp also has an ambient lighting effect without lighting, which can improve the decorative aesthetics of the atmosphere effect, help improve user experience, and greatly improve the market competitiveness of the ceiling lamp.

Description of drawings

Fig. 1 is a schematic perspective view of the three-dimensional structure of a ceiling lamp according to Embodiment 1 of the present invention.

Fig. 2 is an exploded schematic view of the three-dimensional structure of the ceiling lamp according to the first embodiment of the present invention.

Fig. 3 is a perspective structural schematic diagram of another angle of the ceiling lamp according to Embodiment 1 of the present invention.

Fig. 4 is an exploded perspective view of the three-dimensional structure of the ceiling lamp according to the first embodiment of the present invention.

Fig. 5 is a schematic diagram of the internal structure of the ceiling lamp according to Embodiment 1 of the present invention.

FIG. 6 is a partial enlarged view of A in FIG. 5 .

FIG. 7 is a partial enlarged view of B in FIG. 5 .

Fig. 8 is a schematic diagram of the internal structure of the ceiling lamp according to the second embodiment of the present invention.

FIG. 9 is a partial enlarged view of C in FIG. 8 .

FIG. 10 is a partial enlarged view of D in FIG. 8 .

Label description:

1. Main body of ceiling lamp, 2. Light guide plate, 3. Lighting light strip, 4. Ambient light strip, 5. Reflective layer, 6. Ceiling plate, 11. Lamp housing, 12. Diffusion plate, 21. Light transmission Area, 111, upper shell, 112, lower shell, 1111, light-transmitting part, 1112, ring-shaped mounting part.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Embodiment one

Please refer to accompanying drawings 1 to 7, an embodiment of the present invention provides a ceiling lamp, including a ceiling lamp main body 1, the ceiling lamp main body 1 includes a lamp housing 11 and a diffuser plate 12, between the lamp housing 11 and the diffuser plate 12 The light guide plate 2 arranged horizontally and located on the back of the diffuser plate 12 is installed in the cavity formed by the enclosure, and the lighting source lamp belt 3 and the ambient light source lamp belt 4 are also installed in the chamber, and the lighting source lamp belt 3 is in the shape of a ring in the chamber Set and surround the light guide plate 2, and the lamp beads on the light source strip 3 face the side of the light guide plate 2, the ambient light source strip 4 is located in the back direction of the light guide plate 2, and the back of the light guide plate 2 is provided with The reflective layer 5 that can reflect the ambient light generated by the ambient light strip 4, the outer diameter of the reflective layer 5 is slightly smaller than the outer diameter of the light guide plate 2, so that a circle of unreflected layer 5 is formed on the light guide plate 2 The covered light-transmitting area 21 , and the ambient light generated by the ambient light source lamp strip 4 is configured to be able to impinge on the light-transmitting area 21 of the light guide plate 2 to generate an ambient halo on the periphery of the diffuser plate 12 . It can be understood that, in this embodiment, in the chamber surrounded by the lamp housing 11 and the diffuser plate 12, two groups of light sources, the lighting source lamp strip 3 and the ambient light source lamp strip 4, and a horizontally arranged light guide plate 2 are installed. The lighting source lamp strip 3 is arranged in a ring in the chamber and surrounds the light guide plate 2 so that the illumination light emitted by the illumination source lamp strip 3 can radiate downward through the light guide plate 2 and the diffusion plate 12 to form a lighting effect (as shown in Figure 6 As shown), at the same time, the ambient light source lamp strip 4 is located in the back direction of the light guide plate 2, and the back of the light guide plate 2 is provided with a reflective layer 5 whose outer diameter is slightly smaller than the outer diameter of the light guide plate 2, so that at the periphery of the light guide plate 2 There is a light-transmitting area 21 that is not covered by the reflective layer 5. When no lighting is needed, the lighting source light strip 3 can be turned off and the ambient light source light strip 4 can be turned on. The ambient light generated by the ambient light source light strip 4 in the chamber is transmitted through It can shine on the light-transmitting area 21 of the light guide plate 2 and then generate a circle of ambient halo (as shown in Figure 7) that can improve the aesthetics on the peripheral position of the diffuser plate 12, so that the ceiling lamp can also be illuminated without lighting. It has an atmosphere lighting effect, can improve the decorative aesthetics of the atmosphere effect, is beneficial to improving user experience, and greatly improves the market competitiveness of the ceiling lamp.

Please refer to accompanying drawings 4 to 7 , in one preferred embodiment, the ambient light source strip 4 is arranged in a circular shape in the cavity and is located at the back of the light guide plate 2 .

Please refer to accompanying drawings 4 to 7, in one preferred embodiment, each lamp bead of the ambient light source strip 4 is an RGB lamp bead or an RGBW lamp bead, and each lamp bead on the lighting source lamp strip 3 is an LED lamp beads. It can be understood that, since each lamp bead of the ambient light source lamp strip 4 is an RGB lamp bead or an RGBW lamp bead, the light generated by the illumination light source lamp strip 3 and the ambient light source lamp strip 4 can be dimmed as required by the control module toning. However, those skilled in the art should understand that, in other embodiments, the lamp beads of the ambient light source strip 4 are not limited to the RGB lamp beads or RGBW lamp beads disclosed in this embodiment, and can also be other lamp beads that can create an atmosphere. The lamp bead with light effect can be specifically selected by those skilled in the art according to needs.

Please refer to accompanying drawings 5 to 7, in one preferred embodiment, the ambient light generated by the ambient light strip 4 in the chamber is configured to be able to propagate through one or more of linear propagation, refraction and reflection The propagation of the mode is transmitted to the light-transmitting area 21 of the light guide plate 2 . Preferably, the ambient light generated by the ambient light strip 4 in the chamber is configured to be able to penetrate the light-transmitting portion 1111 preset in the lamp housing 11 and propagate to the light-transmitting area 21 of the light guide plate 2 and/or pass through the pre-set light-transmitting portion 1111 Stay in the space between the ambient light source lamp strip 4 and the light guide plate 2 and spread to the light transmission area 21 of the light guide plate 2 . It can be understood that since the ambient light source lamp strip 4 and the illumination light source lamp strip 3 in the chamber are arranged in layers up and down, and there is a layer of reflective layer 5 between them, the atmosphere generated by the ambient light source lamp strip 4 The light can only be led out from the uncovered light-transmitting area 21 on the light guide plate 2 to form a light-emitting effect of an ambient halo around the periphery of the diffuser plate 12; The light-transmitting part 1111, the ambient light generated by the ambient light source lamp strip 4 in the chamber can be transmitted to the light-transmitting area 21 of the light guide plate 2 through the light-transmitting part 1111, or between the ambient light source lamp strip 4 and the light guide plate 2, A space is reserved between the reflective layers 5 in the height direction, so that the ambient light generated by the ambient light strip 4 can pass through the corresponding space and spread to the light-transmitting area 21 of the light guide plate 2 . In this embodiment, the main part of the lamp housing 11 can be made of opaque material, and the light-transmitting part 1111 preset in the lamp housing 11 can be subsequently fixed inside the lamp housing 11 through a fixed installation structure, or It can be molded inside the lamp housing 11 through other processes. When the lamp housing 11 is opaque, the ambient light source strip 4 will not pass through the lamp housing 11 from the back direction to produce a rear projection light effect, and only produce a light effect on the front of the ceiling lamp. Atmospheric halo effect; in addition, an interval space and a light-transmitting portion 1111 can also be provided in the chamber to increase the light output of the ambient light source lamp strip 4 .

Please refer to accompanying drawings 1 to 7, in one of the preferred embodiments, the lamp housing 11 includes an upper housing 111 and a lower housing 112 that can be fit together, and the light-transmitting part 1111 is arranged on the inner wall of the upper housing 111 and A circular structure protruding downwards, and the ambient light source lamp strip 4 is fixedly arranged on the inner wall of the light-transmitting part 1111 of the annular structure, and a ring protruding downwards is provided on the inner wall of the upper shell 111 for fixing the light source lamp strip 3, the ring-shaped installation part 1112, the lighting source strip 3 is fixedly arranged on the inner wall of the ring-shaped installation part 1112, and the outer diameter of the light-transmitting part 1111 of the ring structure is slightly smaller than the outer diameter of the ring-shaped installation part 1112, and the reflective layer 5 The outer diameter of is slightly larger than the outer diameter of the light-transmitting portion 1111 of the annular structure.

Please refer to accompanying drawing 5 to accompanying drawing 7, wherein in a preferred embodiment, the bottom of light-transmitting part 1111 is slightly higher than the upper surface of light-reflecting layer 5 in the chamber, so that light-transmitting part 1111 and light-reflecting layer 5 and light guide plate A space is formed between the 2 for the ambient light generated by the ambient light strip 4 to pass through and spread to the light-transmitting area 21 of the light guide plate 2 .

Please refer to accompanying drawings 5 to 7, in one of the preferred embodiments, there is a ring-shaped installation part 1112 of the upper case 111 and the inner wall of the lower case 112, which can cooperate with each other to detach the upper case 111 and the lower case 112. The snap connection structure that connects the ground together.

Please refer to accompanying drawing 1, in a preferred embodiment, the ceiling lamp also includes a ceiling cup 6, when installing the ceiling lamp, the ceiling cup 6 can be pre-fixed on the top of the wall, and then the main body of the ceiling lamp 1 and the ceiling plate 6 are detachably connected together through the preset snap connection structure between the two, and the fixing of the main body 1 of the ceiling lamp can be completed.

In addition, the diffuser plate 12 can be made of materials such as PS, PC, PP, or PET, and the light guide plate 2 can be made of PMMA, PS, or MS. Both the diffuser plate 12 and the light guide plate 2 are conventional techniques in the art.

Embodiment two

Please refer to accompanying drawings 8 to 10. In this embodiment, a light-transmitting part is formed at least at the back of the lamp housing 11 of the ceiling lamp of the first embodiment, so that the ambient light generated by the ambient light source lamp strip 4 in the chamber can pass through the lamp. The light-transmitting part on the back of the shell 11 is irradiated outwards to produce a back-projection light effect. It can be understood that the ceiling lamp of this embodiment is further improved on the basis of the structure of Embodiment 1. Specifically, a light-transmitting part that can transmit light will be formed at least at the back of the lamp housing 11. Because the lamp housing 11 and the diffuser plate 12. In the cavity formed by the enclosure, there are two groups of light sources arranged up and down, the lighting source lamp belt 3 and the ambient light source lamp belt 4. As shown in Figure 9, during normal use, the illumination light emitted by the lighting source lamp belt 3 can pass through the The light guide plate 2 and the diffuser plate 12 radiate downward to form the lighting light effect. At the same time, the illumination light emitted by the light source lamp strip 3 can also pass through the light-transmitting area 21 of the light-guide plate 2 and pass through the transparent area on the back of the lamp housing 11. The light part is hit on the top of the wall to form a certain lighting light rear projection effect; when no lighting is needed, the lighting light source strip 3 can be turned off, and the ambient light source strip 4 can be turned on, as shown in Figure 10, the interior of the chamber The ambient light generated by the ambient light source lamp strip 4 can be transmitted to the light-transmitting area 21 of the light guide plate 2 to generate an ambient halo on the periphery of the diffuser plate 12 that can improve the aesthetics. At the same time, due to the lamp housing 11 The back of the lamp housing 11 has a light-transmitting part, therefore, the ambient light generated by the ambient light source strip 4 can hit the top of the wall from the light-transmitting part on the back of the lamp housing 11 to form an ambient rear projection light effect that can improve the lighting effect. . Further improved user experience and product market competitiveness.

Please refer to accompanying drawings 8 to 10, in one of the preferred embodiments, the upper case 111 is an upper case made of light-transmitting material as a whole. In this embodiment, preferably, the upper case 111 is a light-transmitting PP material upper case or a light-transmitting PS material upper case or a light-transmitting PA material upper case or a light-transmitting PC material upper case. However, those skilled in the art should understand that in other embodiments, the material of the light-transmitting upper shell 111 is not limited to the specific implementation manner disclosed in this embodiment, and can also be made of other light-transmitting materials. Technicians can choose according to specific needs.

As mentioned above, the embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be used for the foregoing implementation Modifications to the technical solutions described in the examples, or equivalent replacements for some of the technical features; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, so those of ordinary skill in the art All other embodiments obtained under the premise of no creative work belong to the protection scope of the present invention.

Claims

A dome lamp, characterized in that it comprises a dome light main body (1), the dome light main body (1) includes a lamp housing (11) and a diffuser plate (12), and the lamp housing (11) and the diffuser plate (12) are surrounded by A light guide plate (2) arranged horizontally is installed in the formed chamber, and an illumination light source lamp strip (3) and an ambient light source lamp strip (4) are also installed in the chamber, and the illumination light source lamp strip (3) is annular in the chamber Set and surround the light guide plate (2), and the lamp beads on the light source strip (3) face the side of the light guide plate (2), and the ambient light strip (4) is located on the back of the light guide plate (2) Direction, the back of the light guide plate (2) is provided with a reflective layer (5) that can reflect the ambient light generated by the ambient light strip (4), and the outer diameter of the reflective layer (5) is slightly smaller than the light guide plate (2 ), so that a circle of light-transmitting area (21) not covered by the reflective layer (5) is formed on the light guide plate (2), and the ambient light generated by the ambient light strip (4) is configured to pass through The transmission can be incident on the light-transmitting area (21) of the light guide plate (2) to generate a ring of ambient light on the diffuser plate (12).
The ceiling lamp according to claim 1, characterized in that: the lamp housing (11) is formed with a light-transmitting part at least at the back position, so that the ambient light generated by the ambient light source lamp strip (4) in the chamber can penetrate the lamp housing ( 11) The light-transmitting part on the back irradiates outwards to produce a back-projection light effect.
The ceiling lamp according to claim 1, characterized in that the ambient light source strip (4) is arranged in a ring shape in the cavity and is located at the back of the light guide plate (2).
The ceiling lamp according to claim 1, characterized in that: each lamp bead of the ambient light source strip (4) is an RGB lamp bead or an RGBW lamp bead, and each lamp bead on the lighting source lamp strip (3) is an LED lamp bead .
The ceiling lamp according to any one of claims 1 to 4, characterized in that: the ambient light generated by the ambient light strip (4) in the chamber is configured to be able to pass through one or more of linear propagation, refraction and reflection The propagating mode of transmission impinges on the light-transmitting area (21) of the light guide plate (2).
The ceiling lamp according to claim 5, characterized in that the ambient light generated by the ambient light strip (4) in the chamber is configured to be able to penetrate the light-transmitting part (1111) preset in the lamp housing (11) And propagated to the light-transmitting area (21) of the light guide plate (2) and/or through the space reserved between the ambient light source lamp strip (4) and the light guide plate (2), and propagated to the light guide plate (2) On the light-transmitting area (21).
The ceiling lamp according to claim 6, characterized in that: the lamp housing (11) includes an upper housing (111) and a lower housing (112) that can be fitted together, and the light-transmitting part (1111) is arranged on the upper housing (111) has a circular structure with the inner wall protruding downward, and the ambient light source lamp strip (4) is fixedly arranged on the inner wall of the light-transmitting part (1111) of the ring structure, and a circle is also provided on the inner wall of the upper shell (111) The ring-shaped installation part (1112) protruding downwards and used to fix the lighting source lamp strip (3), the lighting source lamp belt (3) is fixedly arranged on the inner wall of the ring-shaped installation part (1112), and the light-transmitting part of the ring structure The outer diameter of (1111) is slightly smaller than the outer diameter of the annular mounting portion (1112), and the outer diameter of the reflective layer (5) is slightly larger than the outer diameter of the light-transmitting portion (1111) of the annular structure.
The ceiling lamp according to claim 7, characterized in that: the upper shell (111) as a whole is an upper shell made of light-transmitting material.
The ceiling lamp according to claim 8, characterized in that: the upper shell (111) is a light-transmitting PP material upper shell or a light-transmitting PS material upper shell or a light-transmitting PA material upper shell or a light-transmitting PC material upper shell shell.
The ceiling lamp according to claim 7, characterized in that: the bottom of the light-transmitting part (1111) is slightly higher than the upper surface of the light-reflecting layer (5) in the chamber, so that the light-transmitting part (1111) and the light-reflecting layer (5) Between the light guide plate (2) and the light guide plate (2) is formed an interval space for the ambient light generated by the ambient light source lamp strip (4) to pass through and spread to the light transmission area (21) of the light guide plate (2).