CN110778990A

CN110778990A - Reflection type and direct-injection type combined lamp

Info

Publication number: CN110778990A
Application number: CN201911131312.5A
Authority: CN
Inventors: 吴钊强; 王善越; 梁东记; 朱奕光; 魏彬
Original assignee: Foshan Electrical and Lighting Co Ltd
Current assignee: Foshan Electrical and Lighting Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-02-11

Abstract

The invention discloses a reflection-type and direct-injection-type combined lamp, which comprises: a lamp shade; the reflecting cup is connected in the lampshade, the side wall of an inner cavity of the reflecting cup is a first reflecting surface, the outer side wall of the reflecting cup is a second reflecting surface, a first light mixing chamber is defined by the inner cavity of the reflecting cup, and a second light mixing chamber is defined between the reflecting cup and the lampshade; an illumination module comprising: the first light source module is arranged in the first light mixing chamber, and part of light of the first light source module is reflected and mixed by the first reflecting surface and then is emitted out of the lampshade; and the second light source module is arranged in the second light mixing chamber, and part of light of the second light source module is emitted out of the lampshade after being reflected and mixed by the second reflecting surface. The invention leads part of the reflected light of the same light mixing chamber and the other part of the direct light to be mixed and then to be respectively emitted out of the lampshade, and the light sources with different brightness and color temperature can be mutually fused, thereby further highlighting the multi-level illumination.

Description

Reflection type and direct-injection type combined lamp

Technical Field

The invention relates to the field of lamps, in particular to a reflective and direct-projection combined lamp.

Background

At present, the LED lamp is the first choice of indoor lighting, and people have different requirements on light in different lighting places. The existing lamp generally comprises a lamp panel and a reflecting lampshade, glare is reduced by reflecting light on the reflecting lampshade, and because the existing lamp can only emit light with one brightness or color temperature, the lighting mode is too single, and the multi-level requirements of modern lighting cannot be met. In view of the above, there is a need in the art for an improved light fixture.

Disclosure of Invention

The present invention is directed to a combined reflective and direct lighting fixture, which solves one or more of the problems of the prior art, and provides at least one of the advantages of the present invention.

The technical scheme adopted for solving the technical problems is as follows:

a combined reflective and direct-lit luminaire comprising: a lamp shade; the reflecting cup is connected in the lampshade, the side wall of an inner cavity of the reflecting cup is a first reflecting surface, the outer side wall of the reflecting cup is a second reflecting surface, a first light mixing chamber is defined by the inner cavity of the reflecting cup, and a second light mixing chamber is defined between the reflecting cup and the lampshade; an illumination module comprising: the first light source module is arranged in the first light mixing chamber, and part of light of the first light source module is reflected and mixed by the first reflecting surface and then is emitted out of the lampshade; and the second light source module is arranged in the second light mixing chamber, and part of light of the second light source module is emitted out of the lampshade after being reflected and mixed by the second reflecting surface.

The inner cavity of the lampshade is divided into a first light mixing chamber and a second light mixing chamber through the reflection cup, the inner cavity side wall and the outer side wall of the reflection cup are utilized to form two reflecting surfaces, so that part of reflected light of the first light source module and the other part of direct light of the first light source module are mixed in the first light mixing chamber and then emitted out of the lampshade, and part of reflected light of the second light source module and the other part of direct light of the second light source module are mixed and then emitted out of the lampshade.

As a further improvement of the above technical solution, the light emitting direction of the lighting module is downward, the reflection cup is arranged along the light emitting direction of the lighting module, and the reflection cup is of a ring structure with a small top and a large bottom, so that the light emitting angle of the first light source module can be ensured, and the area of the second reflection surface can be increased.

As a further improvement of the technical scheme, the first light source module is a plurality of first LED lamp beads, and is a plurality of the first LED lamp beads at least enclose to form an annular shape, so that light emitted by the first light source module is uniform, and meanwhile, one or more color temperature lamp beads can be adopted among the first LED lamp beads, so that light mixing and dimming can be performed conveniently according to requirements.

As a further improvement of the technical scheme, the second light source module is a plurality of second LED lamp beads, and is a plurality of the second LED lamp beads at least enclose to form an annular shape, so that light emitted by the second light source module is uniform, and meanwhile, one color temperature lamp bead or a plurality of color temperature lamp beads can be adopted among the plurality of second LED lamp beads, so that light mixing and dimming can be conveniently carried out according to requirements.

As a further improvement of the above technical solution, a bottom chassis is disposed on the top of the lamp cover, a substrate is disposed between the bottom chassis and the reflection cup, the substrate abuts against the top of the reflection cup, a first light mixing chamber is defined between the substrate and the inner cavity of the reflection cup, a second light mixing chamber is defined between the bottom chassis, the lamp cover and the reflection cup, the first light source module is disposed on the substrate, the second light source module is disposed on the bottom chassis, and the substrate can separate the first light mixing chamber from the second light mixing chamber.

As a further improvement of the above technical solution, the lampshade includes a side surface and a bottom surface, the side surface is an annular structure with a small top and a large bottom, the bottom surface is a light-transmitting area, the bottom surface includes a first cover surface and a second cover surface, the first cover surface abuts against the bottom end of the reflection cup, the second cover surface is disposed on the outer peripheral surface of the first cover surface, the light of the first light mixing chamber is emitted through the first cover surface, and the light of the second light mixing chamber is emitted through the second cover surface.

As a further improvement of the above technical solution, a protection ring is disposed on a lower side of the lamp cover, the protection ring is connected between the first cover surface and the second cover surface, the protection ring can separate the first light mixing chamber from the second light mixing chamber, and when light is emitted from the first light mixing chamber and the second light mixing chamber, the light can be prevented from being overlapped too much, so that a boundary is blurred, and a hierarchical feeling of the light is affected.

As a further improvement of the technical scheme, the reflection cup, the lampshade and the protection ring are connected into an integral structure, so that the installation is convenient.

As a further improvement of the technical scheme, a power supply box is arranged between the chassis and the base plate, and the power supply box, the chassis and the base plate are connected into an integral structure, so that the base plate is convenient to disassemble, assemble and replace.

As a further improvement of the above technical solution, the first light source module and the second light source module have different color temperatures and/or different brightnesses, and when the first light source module and the second light source module are used in combination, different lighting modes can be presented, and different layering can be highlighted.

The invention has the beneficial effects that: the lamp shade is characterized in that the first light mixing chamber and the second light mixing chamber which are independently arranged and the first reflecting surface and the second reflecting surface which are respectively arranged in the two light mixing chambers are utilized, so that part of reflected light of the same light mixing chamber and the direct light of the other part of the reflected light are mixed uniformly and then emitted out of the lamp shade.

Drawings

The invention is further described with reference to the accompanying drawings and examples;

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1.

In the drawings: 100-lampshade, 110-first cover surface, 120-second cover surface, 200-reflecting cup, 300-first light source module, 400-second light source module, 500-chassis, 600-substrate and 700-protective ring.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, etc., is indicated based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, if there are words such as "a plurality of", it means two or more.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, a combined reflective and direct lighting fixture according to the present invention includes the following embodiments:

a reflective and direct lighting combined lamp comprises a lamp shade 100, a reflective cup 200 and a lighting module, in order to reduce the weight of the lamp, the lamp shade 100 is made of plastic, the reflective cup 200 and the lighting module are both arranged in the lamp shade 100, the light emitting direction of the lighting module is downward, the lamp shade 100 and the reflective cup 200 are both arranged along the light emitting direction of the lighting module, the lamp shade 100 is arranged on a chassis 500, the reflective cup 200 is arranged in the lamp shade 100, the side wall of the inner cavity of the reflective cup 200 is a first reflecting surface, the outer side wall of the reflective cup 200 is a second reflecting surface, the reflective cup 200 divides the inner cavity of the lamp shade 100 into two independent light mixing chambers, namely, the inner cavity of the reflective cup 200 defines a first light mixing chamber, a second light mixing chamber is defined between the reflective cup 200 and the lamp shade 100, the lighting module comprises a first light source module 300 and a second light source module 400, the first light source module 300 is arranged in the first light mixing chamber, the first light source module, the reflected light and the direct light of the first light source module 300 and the second light source module 400 are mixed in the first light mixing chamber and the second light mixing chamber respectively and then emitted out of the lampshade 100. Specifically, after a part of the light of the first light source module 300 is reflected by the first reflecting surface, the reflected light and another part of the direct light are mixed in the first light mixing chamber and then emitted out of the lampshade 100, and similarly, after a part of the light of the second light source module 400 is reflected by the second reflecting surface, the reflected light and another part of the direct light are mixed in the second light mixing chamber and then emitted out of the lampshade 100, because the light emitted from the first light mixing chamber and the second light mixing chamber is the mixed light, glare can be avoided, and the first light source module 300 and the second light source module 400 are used in a matching way as two independent light sources, so that light mixing and dimming can be performed according to needs, the effect of mutually fusing lights with different brightness and different color temperatures can be realized, and multi-level feeling can be highlighted.

Furthermore, the reflective cup 200 is designed to be a small-top-large annular structure, which not only can ensure the light-emitting angle of the first light source module 300 in the first light mixing chamber, but also can increase the area of the second reflective surface, thereby increasing the light mixing of the reflected light and the direct light in the second light mixing chamber, in order to ensure uniform illumination, the first light source module 300 is a plurality of first LED lamp beads, the first LED lamp beads at least enclose and form an annular shape, the second light source module 400 is a plurality of second LED lamp beads, the second LED lamp beads are arranged along the circumferential direction of the first LED lamp beads, the second LED lamp beads at least enclose and form an annular shape, which can ensure that the light emitted from the lampshade 100 by the first light source module 300 and the second light source module 400 is more uniform, and meanwhile, one or a plurality of color temperature lamp beads can be adopted between the second LED lamp beads, which facilitates the light mixing, the light and the light emitted from the second light source module 400 can be more uniform according, And (6) dimming.

Specifically, the chassis 500 is disposed at the top of the lamp shade 100, the substrate 600 is disposed between the chassis 500 and the reflective cup 200, the substrate 600 abuts against the top of the reflective cup 200 and is used for separating the first light mixing chamber from the second light mixing chamber, the first light mixing chamber is defined between the substrate 600 and the inner cavity of the reflective cup 200, the second light mixing chamber is defined between the chassis 500 and the reflective cup 200, the plurality of first LED lamp beads are annularly arrayed on the substrate 600, the plurality of second LED lamp beads are annularly arrayed on the chassis 500 along the circumferential direction of the plurality of first LED lamp beads, and the two independently separated first light mixing chambers and second light mixing chambers are utilized to enable part of reflected light rays of the same light mixing chamber and the other part of direct light rays to be uniformly mixed and then to be emitted out of the lamp shade 100, so that a hierarchical sense is highlighted and a simple structure is achieved.

During the use, can regard as the main illumination with second light source module 400, and first light source module 300 is as the sight illumination, for example, first light source module 300 adopts 3000K lamp pearl, and second light source module 400 adopts 3000K and 6500K lamp pearl for two kinds of light jets out from first top facing 110 and second top facing 120 respectively, the accessible is adjusted the electric current size of first light source module 300 and second light source module 400, reaches the change of first light source module 300 and second light source module 400 colour and luminance, in order to realize different mixed light effects. In practical use, the second light mixing chamber is larger than the first light mixing chamber in space, and more second LED lamp beads can be arranged in the second light mixing chamber, so that the second light source module 400 is generally used as main illumination, the first light source module 300 is used as scene illumination, and the first light source module and the second light source module are matched to highlight the illumination layering. It is understood that the first light source module 300 may also be used as main illumination, and the second light source module 400 is used as scene illumination.

In some embodiments, the lamp shade 100 includes a side surface and a bottom surface, the side surface of the lamp shade 100 is an annular structure with a small top and a large bottom, and can match with the annular structure of the reflective cup 200 to increase the light emitting angle of the second light source module 400, the bottom surface of the lamp shade 100 is a light transmitting area, the bottom surface of the lamp shade 100 includes a first cover surface 110 and a second cover surface 120, the first cover surface 110 abuts against the bottom end of the reflective cup 200, the second cover surface 120 is disposed on the outer peripheral surface of the first cover surface 110, the light of the first light mixing chamber is emitted through the first cover surface 110, the light of the second light mixing chamber is emitted out of the lamp shade 100 through the second cover surface 120, and the outer contour line facilities of the first cover surface 110 and the second cover surface 120 are water wave-shaped, so that the appearance is simple and has aesthetic feeling.

In some embodiments, a protection ring 700 is disposed on the lower side of the lamp cover 100, the protection ring 700 is connected between the first cover surface 110 and the second cover surface 120, the protection ring 700 can separate the first light mixing chamber from the second light mixing chamber, and when light is emitted from the first light mixing chamber and the second light mixing chamber respectively, it can be avoided that two kinds of light overlap too much, so that the boundary is blurred, and the layering of the light is affected.

Further, a power box is disposed between the chassis 500 and the substrate 600, the power box is used for placing driving batteries of the first light source module 300 and the second light source module 400, a cable can be disposed between the first light source module 300 and the second light source module 400, for convenience of disassembly and replacement, the power box, the chassis 500 and the substrate 600 are connected into an integrated structure, and the reflective cup 200, the lampshade 100 and the protective ring 700 are also connected into an integrated structure.

In some embodiments, the color temperatures and the luminances of the first light source module 300 and the second light source module 400 may be different or the same, and light mixing and dimming may be performed according to actual needs to realize different lighting modes, where a color temperature refers to a color characteristic of light emitted by a light source, and indicates an approximate color of light emitted by the light source by using a comparison method, and LED lamps with different color temperature values and luminances may exhibit different lighting effects, for example, white light is more formal, yellow light is more warm, blue light is more mysterious and quiet, a conventional LED lamp generally can only emit light with one color temperature and luminance, and a lighting effect is too single to create a variable lighting effect.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims

1. A reflective and direct-emitting combined lamp is characterized in that: the method comprises the following steps:

a lamp housing (100);

the reflecting cup (200) is connected in the lampshade (100), the side wall of the inner cavity of the reflecting cup (200) is a first reflecting surface, the outer side wall of the reflecting cup (200) is a second reflecting surface, the inner cavity of the reflecting cup (200) defines a first light mixing chamber, and a second light mixing chamber is defined between the reflecting cup (200) and the lampshade (100);

an illumination module comprising:

the first light source module (300) is arranged in the first light mixing chamber, and part of light rays of the first light source module (300) are reflected and mixed by the first reflecting surface and then are emitted out of the lampshade (100);

and the second light source module (400) is arranged in the second light mixing chamber, and partial light of the second light source module (400) is reflected and mixed by the second reflecting surface and then is emitted out of the lampshade (100).

2. A combined reflective and direct-lit light fixture as claimed in claim 1, wherein: the light emitting direction of the lighting module is downward, the reflection cup (200) is arranged along the light emitting direction of the lighting module, and the reflection cup (200) is of an annular structure with a small upper part and a large lower part.

3. A combined reflective and direct-lit light fixture as claimed in claim 2, wherein: the first light source module (300) is a plurality of first LED lamp beads, and the first LED lamp beads at least enclose to form a ring.

4. A combined reflective and direct lighting fixture as claimed in claim 2 or 3, wherein: the second light source module (400) is a plurality of second LED lamp beads, and the second LED lamp beads at least enclose to form a ring.

5. A combined reflective and direct-lit light fixture as claimed in claim 2, wherein: the LED lamp comprises a lampshade (100), and is characterized in that a base plate (500) is arranged at the top of the lampshade (100), a substrate (600) is arranged between the base plate (500) and a reflecting cup (200), the substrate (600) is abutted to the top of the reflecting cup (200), a first light mixing chamber is defined between the substrate (600) and an inner cavity of the reflecting cup (200), a second light mixing chamber is defined between the base plate (500) and the lampshade (100) and the reflecting cup (200), a first light source module (300) is arranged on the substrate (600), and a second light source module (400) is arranged on the base plate (500).

6. A combined reflective and direct-lit luminaire as claimed in claim 5, wherein: lampshade (100) is including side and bottom surface, the side is big-end-up's loop configuration, the bottom surface is light transmission area, the bottom surface includes first top facing (110) and second top facing (120), first top facing (110) butt in the bottom of reflection cup (200), second top facing (120) are located the outer peripheral face of first top facing (110), the light warp of first mixed light room first top facing (110) are jetted out, the light warp of second mixed light room the second top facing (120) are jetted out.

7. A combined reflective and direct-lit luminaire as claimed in claim 6, wherein: the lower side of the lampshade (100) is provided with a protection ring (700), and the protection ring (700) is connected between the first cover surface (110) and the second cover surface (120).

8. A combined reflective and direct-lit light fixture as claimed in claim 7, wherein: the reflection cup (200), the lampshade (100) and the protection ring (700) are connected into an integrated structure.

9. A combined reflective and direct-lit luminaire as claimed in claim 5, wherein: a power supply box is arranged between the chassis (500) and the base plate (600), and the power supply box, the chassis (500) and the base plate (600) are connected into an integral structure.

10. A combined reflective and direct-lit light fixture as claimed in claim 2, wherein: the first light source module (300) and the second light source module (400) have different color temperatures and/or different brightness.