CN213146429U

CN213146429U - Light emitting device

Info

Publication number: CN213146429U
Application number: CN202022573014.6U
Authority: CN
Inventors: 冯文平; 杨小明; 刘宗源
Original assignee: Zhangzhou Leedarson Lighting Co Ltd
Current assignee: Zhangzhou Leedarson Lighting Co Ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-05-07
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a light-emitting device, including fixed plate, diffusion cover and two at least narrow angle light-emitting module, the narrow angle light-emitting module is installed respectively in the lower surface edge of fixed plate, and the diffusion cover sets up in the narrow angle light-emitting module below, and the light of the narrow angle light-emitting module shines in the plane at fixed plate place aslope. The technical problems that in the prior art, the diffusion effect of a lamp is single, the illumination of an indoor ceiling is reduced by adopting the matched lamp strip, a user can see a light source, the comfort experience feeling of the user is reduced and the like are solved.

Description

Light emitting device

Technical Field

The utility model relates to the field of lighting, and in particular to light-emitting device.

Background

The conventional indoor lighting is generally characterized in that lamps such as ceiling lamps, down lamps and the like are installed, decorative lamps such as lamp strips and the like are matched, the lamp with the backlight effect is a decorative lamp which is common in the current market, the backlight effect means that light is not directly emitted, but is firstly emitted to the installation surface of the lamp such as a wall and the like, the light is illuminated through reflection of the installation surface, the light is soft and dim, and the decorative effect is good.

However, the lamps and lanterns that have the effect of being shaded on the existing market often are the diffusion light-emitting, and the effect is single, can't satisfy people's ever-increasing appreciation level, in addition, if collocation lamp area can partially alleviate the single condition of diffusion effect, but it makes the illuminance of indoor ceiling reduce, if not collocate lamp area etc. exist and make indoor people's eye can directly see the lamp, what more can directly see LED luminescent light source, lead to user's travelling comfort to experience relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that in the prior art, the diffusion effect of a lamp is single, the illumination of an indoor ceiling is reduced by matching the lamp strip, a user can see a light source, the comfort experience feeling of the user is reduced, and the like.

The utility model provides a light-emitting device, including fixed plate, diffusion cover and two at least narrow angle light-emitting module, the narrow angle light-emitting module is installed respectively in the lower surface edge of fixed plate, and the diffusion cover sets up in the narrow angle light-emitting module below, and the light of the narrow angle light-emitting module shines in the plane at fixed plate place aslope. Through the combination setting of a plurality of narrow angle light-emitting module, solve the single and dazzling problem of light of lamps and lanterns diffusion effect, rely on the setting of diffusion cover, further avoid the light source to penetrate directly, increase the soft degree of light, keep succinct pleasing to the eye of whole lamp simultaneously, improve user experience and feel.

Preferably, the beam angle of the narrow-angle light-emitting module is set to be in the interval range of 10-25 degrees. Through the setting to the beam angle of narrow angle light-emitting module, improve light and take out efficiency, light range is far away simultaneously, is convenient for reach the effect of washing the ceiling.

Preferably, the narrow-angle light-emitting module comprises a shell, a connecting rod and a light-emitting component, the light-emitting component is fixedly arranged inside the shell, and the narrow-angle light-emitting module can be connected with the fixing plate in a swinging mode through the connecting rod. By adjusting the swing amplitude of the narrow-angle light-emitting module, the irradiation range and the pattern of the narrow-angle light-emitting module are suitable for requirements of different scenes.

Further preferably, the light emitting assembly includes one of an internal reflection lens, a convex lens and a reflective cup, and a light source. The light effect can be enhanced by the selection of a plurality of lens components, and the problem of single diffusion effect is avoided.

Further preferably, the light-transmitting surface of the internal reflection lens is configured as one or a combination of a smooth surface and a stripe. The arrangement of the smooth surface and the stripe structure is convenient for forming light spots of different shapes.

Further preferably, the light-transmitting surface of the convex lens is provided with a strip-shaped structure with a stretched cross section and an annular structure with a rotated cross section. Due to the diversity of the convex lens structure, the narrow-angle light-emitting module is simple and convenient in manufacturing process, low in cost and suitable for large-scale manufacturing and application.

Further preferably, the narrow-angle light-emitting module is mounted on the edge of the lower surface of the fixing plate in a manner of swinging up and down in a direction perpendicular to the fixing plate, and the included angle of the amplitude of the swinging up and down is within the range of 0-20 degrees. By means of the amplitude limitation of the up-and-down swing, the narrow-angle light-emitting module is prevented from emitting light downwards, so that the light of the whole lamp is dazzling, and the user experience is influenced.

Preferably, the light emitting device further comprises a lower light emitting module disposed in the middle of the fixing plate, and the lower light emitting module is mounted above the diffusion cover. The lower light emitting module is arranged above the diffusion cover, so that direct radiation of a light source can be avoided, and the attractiveness and the simplicity of the whole lamp are kept.

Further preferably, the lower light emitting module comprises a light reflecting bowl and a lower light source plate arranged in the light reflecting bowl, and the lower light source plate and the light reflecting bowl are arranged on the lower surface of the fixed plate. The lower light-emitting module can make up the illumination value of indirect illumination of the narrow-angle light-emitting module, so that the requirements of different illumination of users are met.

The utility model discloses a light-emitting device, on the one hand, through the setting of diffusion cover and a plurality of narrow angle light-emitting module, the light that utilizes narrow angle light-emitting module shines on the ceiling, diffuse reflection through the ceiling, thereby illuminate whole room, and simultaneously, the utilization sets up the narrow angle light-emitting module of isostructure, can form different facula and colour, so that the diffusion forms different patterns, the single problem of lamps and lanterns diffusion effect has been solved, the setting of diffusion cover not only can avoid the light source directly to expose in the visual range of people's eye, make the light of penetrating directly too dazzling, arouse people's eye fatigue, reduce user's experience sense, moreover the setting of diffusion cover can improve the pleasing to the eye succinct nature of whole lamp. On the other hand, illuminator in this application, the multi-angle that can also utilize narrow angle to send out the optical module is luminous as an organic whole with the wide-angle of sending out the optical module down, shine the ceiling through narrow angle and reach the effect of washing the ceiling, utilize the diffuse reflection of ceiling and reach the effect of indirect illumination simultaneously, can open narrow angle and send the optical module down simultaneously when the user needs higher illuminance value, increase the illuminance value, it has certain market and practical application and worth.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the invention. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

Fig. 1 is an overall schematic view of a light emitting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a light-emitting device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a narrow-angle light emitting module according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a-a direction of a narrow angle lighting module according to an embodiment of the present invention;

fig. 5 is a light distribution curve diagram of a smooth structured light-transmitting surface according to an embodiment of the present invention;

fig. 6 is a light distribution curve diagram of a light-transmitting surface with a stripe structure according to an embodiment of the present invention;

description of the reference numerals: 1. the light source module comprises a fixing plate, 2 narrow-angle light emitting modules, 3 lower light emitting modules, 4 diffusion covers, 21 connecting rods, 22 shells, 23 face rings, 24 light emitting assemblies, 31 light reflecting bowls, 32 lower light source plates and 241 light sources.

Detailed Description

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terminology, such as "top," "bottom," "left," "right," "up," "down," etc., is used with reference to the orientation of the figures being described. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized and logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.

Referring to fig. 1 and 2, fig. 1 shows an overall schematic view of a lighting device according to an embodiment of the present invention, fig. 2 shows a structural schematic view of a lighting device according to an embodiment of the present invention, as shown in fig. 1 and 2, the lighting device includes a fixing plate 1, a diffusion cover 4 and at least two narrow-angle lighting modules 2, the fixing plate 1 is used for fixing the whole lighting device on a ceiling, the narrow-angle lighting modules 2 can be distributed to form a square, a circle or other irregular shape, the light beam angle of the narrow-angle lighting modules 2 is set to be in an interval range of 10 to 25, and is mounted on the lower surface edge of the fixing plate 1 in a direction perpendicular to the fixing plate 1 in a manner of being capable of swinging up and down, the included angle of the vertical swinging of the narrow-angle lighting modules 2 is taken from an interval range of 0 to 20, by setting the light beam angle and vertical swinging up and down, so that most of the light emitted from the narrow-angle light-emitting module 2 is irradiated on the ceiling of the plane where the fixing plate 1 is located, and then diffused reflection is formed through the ceiling, thereby illuminating the whole room. Through the setting of narrow angle light emitting module 2 below diffusion cover 4, on the one hand make the light that the ceiling was not shone to a small part jet out again after the internal surface refraction of unsmooth undulation on the diffusion cover 4, make the light that jets out can not dazzle and seem soft, on the other hand, diffusion cover 4 can effectively hide ugly, make the distribution state of narrow angle light emitting module 2, can not influence the pleasing to the eye succinct nature of whole lamp, preferably, a surface that diffusion cover 4 is close to narrow angle light emitting module 2 is provided with inside sunken circular arc structure, the setting of circular arc structure, can increase the diffusion area of diffusion cover 4, strengthen the diffusion effect of light. In addition, the narrow-angle light-emitting module 2 can be matched with a white light LED or an RGBW LED independently, so that the light-emitting device can not only meet the conventional illumination requirement, but also be used as a decorative lamp, and patterns with different patterns and colors can be combined to meet the requirements of different use scenes.

In some specific embodiments, in order to satisfy the user to the needs of different illumination intensity, compensate the illuminance value of the 2 indirect illumination of narrow angle light emitting module, middle part at fixed plate 1 is provided with down light emitting module 3, lower light emitting module 3 includes reflector 31 and the lower light source board 32 of setting in reflector 31, the lower surface at fixed plate 1 is installed with lower light source board 32 to reflector 31, and set up the top at diffusion hood 4, the LED lamp pearl array of avoiding lower light source board 32 directly exposes in the visual range of people's eye, not only can influence beautifully, still can make the light of penetrating directly too dazzling, arouse people's eye fatigue, reduce user's experience and feel.

In some specific embodiments, referring to fig. 3 and 4, fig. 3 shows a schematic structural diagram of a narrow-angle light-emitting module according to an embodiment of the present invention, fig. 4 shows an a-a direction cross-sectional view of a narrow-angle light-emitting module according to an embodiment of the present invention, as shown in fig. 3 and 4, the narrow-angle light-emitting module 2 includes a connecting rod 21, a housing 22 and a light-emitting assembly 24, one end of the connecting rod 21 is fixed on the upper surface of the housing 22, the other end of the connecting rod is swingably connected with the fixing plate 1, the light-emitting assembly 24 is fixedly disposed inside the housing 22, and the light-emitting assembly 24 is composed of an internal reflection lens and a light source 241. Incidentally, the light emitting assembly 24 may also be composed of a convex lens and the light source 241, or a reflective cup and the light source 241, wherein the narrow-angle light emitting module 2 may be composed of lenses with various angles, which mainly satisfies that the light beam angle of the narrow-angle light emitting module 2 is set to be in the range of 10 ° to 25 °. If the light emitting assembly 24 is composed of an internal reflection lens and a light source 241, the surface of the internal reflection lens can be a smooth surface and a stripe structure, the light spot projected by the lens light emitting surface is a round light spot, and the light spot projected by the lens light emitting surface is a strip light spot; if the light emitting element 24 is composed of a convex lens and the light source 241, the convex lens may be formed by a single head array, or may be formed by stretching or rotating a section to form a strip-shaped or ring-shaped lens. Fig. 3 and 4 specifically adopt a structure that the light emitting component 24 is composed of an internal reflection lens and a light source 241, the narrow-angle light emitting module 2 further includes a face ring 23 for fixing the light emitting component 24, and a barb is disposed at the bottom of the face ring 23 for fixing and sealing the light emitting component 2 inside the housing 22.

In some embodiments, the narrow-angle lighting module 2 may be provided with different structures of the lighting assembly 24, such as a combination of an internal reflection lens and a light source with a smooth surface, which forms a light distribution curve of a circular light spot as shown in fig. 5, or a combination of an internal reflection lens and a light source with a stripe shape, which forms a light distribution curve of a stripe-shaped light spot as shown in fig. 6, or a white LED or an RGBW LED, so as to construct different light patterns with different light spot shapes and colors. Preferably, the narrow-angle light-emitting modules 2 are symmetrically and uniformly arranged on the edge of the lower surface of the fixing plate 1, so that the formed patterns are neat and symmetrical and have good appearance. In the actual production process of the light-emitting device, the narrow-angle light-emitting modules 2 with different structures can be matched according to the light effects with different requirements, so that the light effects with different patterns and different colors are obtained, and the problem of single diffusion effect in the prior art is solved.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit and scope of the invention. In this way, if these modifications and changes are within the scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims

1. The light-emitting device is characterized by comprising a fixing plate, a diffusion cover and at least two narrow-angle light-emitting modules, wherein the narrow-angle light-emitting modules are respectively installed on the edge of the lower surface of the fixing plate, the diffusion cover is arranged below the narrow-angle light-emitting modules, and light rays of the narrow-angle light-emitting modules obliquely irradiate on a plane where the fixing plate is located.

2. The lighting device as set forth in claim 1, wherein the beam angle of the narrow-angle lighting module is set in the interval range of 10 ° -25 °.

3. The lighting device as claimed in claim 1, wherein the narrow-angle lighting module comprises a housing, a connecting rod and a lighting assembly, the lighting assembly is fixedly disposed inside the housing, and the narrow-angle lighting module is swingably connected to the fixing plate via the connecting rod.

4. The lighting apparatus of claim 3, wherein the light assembly comprises a light source and one of an internal reflector lens, a convex lens, and a reflector cup.

5. The lighting device as claimed in claim 4, wherein the light-transmitting surface of the internal reflection lens is configured as one or a combination of a smooth surface and a stripe.

6. The light-emitting device according to claim 4, wherein the light-transmitting surface of the convex lens is provided in a strip-shaped structure with a stretched cross section and a ring-shaped structure with a rotated cross section.

7. The light-emitting device according to claim 3, wherein the narrow-angle light-emitting module is mounted on the edge of the lower surface of the fixing plate in a manner of swinging up and down in a direction perpendicular to the fixing plate, and the included angle of the amplitude of the swinging up and down is taken from the range of 0-20 °.

8. The lighting device as claimed in claim 1, wherein a surface of the diffuser cap adjacent to the narrow-angle lighting module is provided with an inwardly concave arc structure.

9. The lighting device according to any one of claims 1 to 8, further comprising a lower lighting module disposed in a middle portion of the fixing plate, the lower lighting module being mounted above the diffusion cover.

10. The lighting device as claimed in claim 9, wherein the lower lighting module comprises a reflector and a lower light source board disposed in the reflector, and the lower light source board and the reflector are mounted on a lower surface of the fixing board.