CN217302604U

CN217302604U - Lighting lamp

Info

Publication number: CN217302604U
Application number: CN202220185053.5U
Authority: CN
Inventors: 高永富; 谢建民; 李扬
Original assignee: Suzhou Op Lighting Co Ltd
Current assignee: Suzhou Op Lighting Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-26
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses an illuminating lamp, which comprises a lamp panel, a light source module and a light transmitting cover, wherein the lamp panel comprises a bottom wall, a peripheral side wall and an accommodating space formed by the bottom wall and the peripheral side wall, the light source module is arranged in the accommodating space, the light transmitting cover is connected with the lamp panel and seals the accommodating space, and a reflecting surface is formed on the inner surface of the peripheral side wall; the reflecting surface is at least partially curved and protrudes towards one side of the accommodating space, and the reflecting surface is configured as follows: after being reflected by the reflecting surface, part of light emitted by the light source module deflects to one side of the accommodating space and is emitted. The reflecting surface is designed to be at least partially curved and extend towards one side of the accommodating space inside the lamp panel, so that light rays emitted by the light source module are reflected by the reflecting surface and then emitted towards one side of the accommodating space, the light rays after reflection are prevented from being concentrated in the edge area of the lamp panel, the illumination distribution of the lighting lamp is more uniform, and the light emitting effect is improved.

Description

Lighting lamp

Technical Field

The utility model relates to the technical field of lighting technology, in particular to illumination lamp.

Background

Conventional lighting fixtures, such as LED kitchen and bathroom lamps, are widely used in office lighting, hospital, commercial lighting, and home environments. There are two kinds of common kitchen and bathroom lamps, one is a side light panel lamp, and the other is a direct type panel lamp. The direct type panel lamp has the types of lamps such as I type, II type and III type lamps, different types of lighting lamps, the connecting structures between the light source plate and the lamp panel are different, the common direct type panel lamp is generally of a design structure with a frame, the product price is high, materials are wasted, and resource waste is caused. Although thin, the side light-emitting panel lamp has a complicated structure and is high in cost. The prior frameless panel lamp mostly has the following problems: after the large-angle light emitted by the light source module in the lamp is reflected by the side wall of the lamp panel, the light is concentrated in the edge area of the lamp, so that the edge brightness of the lamp is high, the illumination is uneven, and the light emitting effect is not ideal.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the present invention provides a lighting device capable of improving light emitting effect.

Therefore, the utility model provides an illuminating lamp, which comprises a lamp panel, a light source module and a light-transmitting cover, wherein the lamp panel comprises a bottom wall, a peripheral side wall and an accommodating space formed by the bottom wall and the peripheral side wall, the light source module is arranged in the accommodating space, the light-transmitting cover is connected with the lamp panel and seals the accommodating space, and a reflecting surface is formed on the inner surface of the peripheral side wall; the reflecting surface is at least partially curved and protrudes towards one side of the accommodating space, and the reflecting surface is configured as follows: after being reflected by the reflecting surface, part of light emitted by the light source module deflects to one side of the accommodating space and is emitted.

Preferably, the top end of the peripheral side wall is provided with a groove, and the light-transmitting cover is accommodated in the groove.

Preferably, the light-transmitting cover and the lamp panel are connected by ultrasonic welding, laser welding or gluing.

Preferably, the top end of the peripheral side wall of the lamp panel is provided with a convex rib for ultrasonic welding with the light-transmitting cover.

Preferably, the upper surface of the light-transmitting cover is flush with the top end of the peripheral side wall of the lamp panel.

Preferably, the lamp panel has a mounting portion extending downwardly from an outer side of a top end of the peripheral sidewall, and a distal end thereof has a catching portion for engagement with the ceiling runner.

Preferably, the cross-sectional shape of the reflecting surface of the curved portion is an arc.

Preferably, the light source module comprises at least one light source board and at least one light emitting element arranged on the light source board, and the light source board is connected with the bottom wall.

Preferably, the light source plate has a plurality of light source plates arranged at regular intervals in a width direction of the lamp panel.

Preferably, the light source module includes a plurality of light emitting elements disposed on the light source board, and the interval between the light emitting elements near the two ends of the light source board is smaller than the interval between the light emitting elements in the middle of the light source board.

Preferably, a light distribution lens is provided outside the light emitting element.

Preferably, be buckle connection, adhesive bonding, screw connection, riveting or welding between light source board and the diapire.

Preferably, the bottom wall is provided with a containing groove matched with the appearance and the size of the light source plate, and the light source plate is contained in the containing groove.

Preferably, the lamp panel has a mounting portion extending downward from an outer side of a top end of the peripheral sidewall.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the reflecting surface is designed to be at least partially curved and concave towards one side of the accommodating space inside the lamp panel, so that light rays emitted by the light source module are emitted out by being deviated to one side of the accommodating space after being reflected by the reflecting surface, the light rays after being reflected are prevented from being concentrated in the edge area of the lamp panel, the illumination distribution of the illuminating lamp is more uniform, and the light emitting effect is improved.

Drawings

FIG. 1 is an exploded schematic view of a preferred embodiment light fixture in accordance with the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a preferred embodiment lighting fixture in accordance with the present invention;

FIG. 4 is an enlarged partial schematic view at B of FIG. 3;

FIG. 5 is an enlarged partial schematic view at C of FIG. 3;

FIG. 6 is a schematic cross-sectional view of a preferred embodiment lighting fixture according to the present invention (showing a staking post);

FIG. 7 is an enlarged partial schematic view at D of FIG. 6;

FIG. 8 is a light path diagram of a preferred embodiment lighting fixture in accordance with the present invention;

wherein the reference numbers are as follows:

100. a lighting fixture;

1. a lamp panel; 11. a bottom wall; 12. a peripheral side wall; 13. an accommodating space; 14. a reflective surface; 15. a groove; 16. a containing groove; 17. an installation part; 171. a fastening part; 18. riveting the column; 19. a rib;

2. a light source module; 21. a light source plate; 22. a light emitting element; 23. a light distribution lens; 24. perforating;

3. a light-transmitting cover;

4. the power supply is driven.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

In the description of the present application, it is noted that unless otherwise expressly specified or limited, the terms middle, upper, lower, top, bottom, inner, outer, and the like are used in an orientation or positional relationship indicated in the drawings for the convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In the description of the present application, the term plurality means two or more unless otherwise specified. The terms mounted, connected and connected should be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

It should be noted that the lighting fixture 100 of the present invention may be different types of lighting fixtures, such as a kitchen lamp, a bathroom lamp, a panel lamp, and a ceiling lamp, and the specific type of the lighting fixture is not limited herein, and should not be construed as being limited to one of the types of the lighting fixtures described above.

As shown in fig. 1, an illumination lamp 100 includes a lamp panel 1, a light source module 2, a transparent cover 3 and a driving power source 4.

The lamp panel 1 includes a bottom wall 11, a peripheral sidewall 12, and an accommodating space 13 defined by the bottom wall 11 and the peripheral sidewall 12. Specifically, the lamp panel 1 is injection molded by using a plastic material, such as PP, PET, a resin material, and the like. In some embodiments, the lamp panel 1 may also be made of a metal material, and the surface of the metal lamp panel is smoother after molding, the appearance is neat, and warping deformation is not easy to occur during assembly. When a metal lamp panel is used, attention needs to be paid to the insulation problem between the light source module 2 and the lamp panel 1 during assembly, for example, an insulation material is filled between the light source module 2 and the lamp panel 1, and an insulation film, an insulation pad, and the like are adhered, and specific measures are not limited herein. The inner surface of the bottom wall 11 and the inner surface of the peripheral sidewall 12 of the lamp panel 1 are formed with reflective surfaces for reflecting light, and may be implemented by attaching a reflective film or by combining a reflective layer on the inner surface of the lamp panel 1, which is not limited herein. When the lamp panel 1 is applied to a kitchen and bathroom lamp, since the kitchen and bathroom lamp is installed together with the ceiling keel to form a plane, the lamp panel 1 has an installation portion 17 extending downward from the outer side of the top end of the peripheral side wall 12, and the end thereof has a fastening portion 171 for being engaged with the ceiling keel. The lamp panel 1 is more flat and beautiful in appearance, and the subsequent installation and use of the lighting lamp 100 are facilitated.

The light source module 2 is installed in the accommodating space 13 inside the lamp panel 1. Specifically, as shown in fig. 2 and 5, the light source module 2 includes a plurality of light source boards 21, a plurality of light emitting elements 22 provided on the light source boards 21, and a light distribution lens 23 covering the light emitting elements 22. Each light source plate 21 is provided with a through hole 24, as shown in fig. 6 and 7, the bottom wall 11 of the lamp panel 1 is provided with a riveting column 18, and when the light source plates 21 are assembled in the lamp panel 1, the riveting column 18 penetrates through the through holes 24 in the light source plates 21, and the light source plates 21 are riveted and fixed on the bottom wall 11 by means of riveting equipment. The advantage of design like this lies in, does not destroy the outward appearance integrity of lamp panel 1 to it is convenient to assemble, is favorable to automatic assembly line work, reduce cost, improves production efficiency. In some embodiments, other connection structures between the light source board 21 and the lamp panel 1 may also be adopted, such as screw connection, adhesive connection, snap connection, welding, etc., and the specific connection structure is not limited herein. As shown in fig. 1 and 3, the light source plate 21 is long, and the light source plates 21 are arranged at regular intervals along the width direction of the lamp panel 1. In some embodiments, the light source plate 21 can also be a single light source plate, such as a ring-shaped light source plate, which is not limited herein. In addition, the plurality of light emitting elements 22 are arranged on the light source plate 21 in a non-uniform arrangement, specifically, the interval between the light emitting elements 22 near the two ends of the light source plate 21 is smaller than the interval between the light emitting elements 22 in the middle of the light source plate 21. The advantage of designing like this lies in, the intensity that is close to the light emitting component 22 at light source board 21 both ends will be higher than the intensity of the light emitting component 22 at light source board 21 middle part to the light that is close to the light emitting component 21 at light source board 21 both ends is more projects the plane of reflection on the internal surface of lamp panel 1, especially on the plane of reflection of week lateral wall 12 internal surface, light is after the plane of reflection, the luminance at lamp panel 1 edge all around is more even for the luminance at lamp panel middle part, the illumination distribution of illumination lamps and lanterns is more even, the light-emitting effect is better a little. The light emitting element 21 may be an LED light emitting chip, such as a COB light source, an SMD light source, etc., without limitation. The light distribution lens 23 may be a diffusion lens, and in some embodiments, a suitable lens may be selected according to the type of the lighting fixture, for example, a condensing lens may also be used. The diffusion lens can enable the brightness of the light-emitting surface of the lighting lamp to be more uniform, the diffusion lens can be made of PMMA (polymethyl methacrylate) (or can be made of PC or other transparent optical materials), the light emitted by the light-emitting element is Lambert light distribution, the angle is about 120 degrees, the angle of 120-degree Lambert light can be increased to more than 170 degrees after passing through the diffusion lens, the larger light-emitting angle can enable the brightness of the lighting lamp to be more uniform, and the light-emitting effect is better.

Referring to fig. 5 and 7, in consideration of flatness and beauty of the light source module 2 assembled in the lamp panel 1, the bottom wall 11 of the lamp panel 1 is provided with a plurality of receiving grooves 16 matching the shape and size of the light source board 21, and the light source board 21 is received in the receiving grooves 16. The accommodating groove 16 is formed by recessing at least a part of the surface of the bottom wall 11 downward, and the upper surface of the light source plate 21 is flush with the surface of the bottom wall 11 except the accommodating groove 16.

As shown in fig. 4 and 8, the reflecting surface 14 is at least partially curved and protrudes toward the accommodating space 13. Specifically, the cross-sectional shape of the reflecting surface 14 at the curved portion is an arc, and when the height H of the lamp panel is 18 to 22 mm, the radius of curvature R thereof is 10 to 15 mm. The advantage of this design is that the light emitted from the light source module 2 is reflected by the reflecting surface 14 and then emitted out towards one side of the accommodating space 13. Therefore, the brightness of the edge of the lighting lamp is approximately equal to that of the middle of the lighting lamp, the overall brightness distribution is uniform, and the light emitting effect is better.

The top end of the peripheral side wall 12 is provided with a groove 15, and the light-transmitting cover 3 is accommodated in the groove 15. Specifically, the light-transmitting cover can be made of a diffusion type PP material, the top end of the peripheral side wall 12 of the lamp panel 1 is provided with a rib 19 for ultrasonic welding with the light-transmitting cover 3, the rib and the lamp panel 1 are fixed by ultrasonic welding, and the upper surface of the light-transmitting cover 3 is flush with the top end of the peripheral side wall 12 of the lamp panel 1. The frameless design structure does not need complex processes such as screw locking and the like, can make the whole lamp thinner, has attractive appearance and high assembly efficiency, and has a larger light-emitting surface and better lighting effect.

In some embodiments, the light-transmissive cover 3 and the lamp panel 1 may be connected by laser welding or gluing, which is not limited herein. The driving power source 4 is mounted on the bottom wall 1 of the lamp panel 1. The driving power source 4 is electrically connected to the light source board 21, so as to drive the light source board 21 to work, and the light emitting elements 22 on the light source board 21 emit light.

The assembly process of the lighting fixture is such that: arrange light source board 21 in lamp panel 1 earlier, pass perforation 24 on the light source board 21 through riveting post 18, fix light source board 21 hot melt riveting on diapire 11 with the help of riveting equipment, pass through silica gel bonding with drive power supply 4 and fix in lamp panel 1, after that in arranging printing opacity cover 3 in recess 15 of lamp panel 1 upper end in, and with the help of ultrasonic bonding equipment with printing opacity cover 3 and lamp panel welded fastening, the equipment is accomplished so far, the assembly of whole lamps and lanterns can realize automatic equipment, it is convenient to assemble, high efficiency, production cost is lower, can satisfy the automated production demand of lamps and lanterns.

The technical scope of the present application is not limited to the contents in the above description, and those skilled in the art can make various changes and modifications to the above embodiments without departing from the technical spirit of the present application, and these changes and modifications should fall within the protective scope of the present application.

Claims

1. An illumination lamp comprises a lamp panel (1), a light source module (2) and a light-transmitting cover (3), wherein the lamp panel (1) comprises a bottom wall (11), a peripheral side wall (12) and an accommodating space (13) formed by the bottom wall (11) and the peripheral side wall (12) in a surrounding mode, the light source module (2) is arranged in the accommodating space (13), and the light-transmitting cover (3) is connected with the lamp panel (1) and seals the accommodating space (13); the solar cell is characterized in that a reflecting surface (14) is formed on the inner surface of the peripheral side wall (12), at least part of the reflecting surface (14) is a curved surface and protrudes towards one side of the accommodating space (13), and the reflecting surface (14) is configured as follows: and part of light rays emitted by the light source module (2) are reflected by the reflecting surface (14) and then are deflected to one side of the accommodating space (13) to be emitted.

2. The lighting fixture of claim 1, wherein: the top end of the peripheral side wall (12) is provided with a groove (15), and the light-transmitting cover (3) is accommodated in the groove (15).

3. The lighting fixture of claim 2, wherein: the light-transmitting cover (3) and the lamp panel (1) are connected through ultrasonic welding, laser welding or gluing.

4. The lighting fixture of claim 1, wherein: the top end of the peripheral side wall (12) of the lamp panel (1) is provided with a convex rib (19) which is used for being ultrasonically welded with the light-transmitting cover (3).

5. The lighting fixture of claim 1, wherein: the upper surface of the light-transmitting cover (3) is flush with the top end of the peripheral side wall (12) of the lamp panel (1).

6. The lighting fixture of claim 1, wherein: the lamp panel (1) is provided with a mounting part (17) extending downwards from the outer side of the top end of the peripheral side wall (12), and the tail end of the mounting part is provided with a buckling part (171) used for being matched with a suspended ceiling keel.

7. The lighting fixture of claim 1, wherein: the cross-sectional shape of the reflecting surface (14) of the curved portion is arc-shaped.

8. The lighting fixture of claim 1, wherein: the light source module (2) comprises at least one light source plate (21) and at least one light emitting element (22) arranged on the light source plate (21), wherein the light source plate (21) is connected with the bottom wall (11).

9. The lighting fixture of claim 8, wherein: the light source plates (21) are arranged in a plurality, and the light source plates (21) are uniformly arranged at intervals along the width direction of the lamp panel (1).

10. The lighting fixture of claim 8, wherein: the light source module (2) comprises a plurality of light emitting elements (22) arranged on the light source board (21), and the interval between the light emitting elements (22) close to the two ends of the light source board (21) is smaller than the interval between the light emitting elements (22) in the middle of the light source board (21).

11. The lighting fixture of claim 8, wherein: and a light distribution lens (23) is arranged outside the light emitting element (22) in a covering manner.

12. The lighting fixture of claim 8, wherein: the light source plate (21) is connected with the bottom wall (11) in a buckling mode, an adhesive bonding mode, a screw connection mode, a riveting mode or a welding mode.

13. The lighting fixture of claim 8, wherein: the bottom wall (11) is provided with a containing groove (16) matched with the shape and the size of the light source plate (21), and the light source plate (21) is contained in the containing groove (16).