CN210771556U - Flat lamp - Google Patents

Abstract

The utility model discloses a flat panel lamp, include: the frame assembly surrounds to form an accommodating space; the first light-transmitting plate is arranged on one side surface of the accommodating space formed by the frame; the second light-transmitting plate and the first light-transmitting plate are arranged on the other side surface of the accommodating space formed by the frame in parallel and oppositely; and the light emitting device is arranged in the accommodating space and positioned between the first light-transmitting plate and the second light-transmitting plate, and light rays emitted by the light emitting device respectively pass through the first light-transmitting plate and the second light-transmitting plate.

Description

Flat lamp

Technical Field

The utility model relates to an office floor lamp, especially a flat panel lamps and lanterns.

Background

A conventional lighting device in the market generally has a lamp housing and a light-emitting device (such as an incandescent bulb, a fluorescent tube, a light-emitting diode, etc.) disposed in the lamp housing. The light-emitting device is arranged on one side surface of the lampshade, and reflects and projects light rays generated by the light-emitting device into a specific area through the reflection action of the lampshade.

In a conventional lighting fixture, a lampshade of the lighting fixture is designed to irradiate light of the lighting fixture in a single direction, so that the light of the lighting fixture is intensively projected into a projection area and cannot irradiate a range outside the light projection area, and the situation that the contrast is too large due to uneven light illumination intensity in the light projection area and the light projection area of the lighting fixture is caused.

Therefore, it is one of the important issues to be solved by the above-mentioned technical proposal, how to solve the problem of uneven indoor illumination intensity and excessive contrast caused by the single-directional light projection area of the conventional illumination lamp by improving the structural design.

SUMMERY OF THE UTILITY MODEL

The main purpose of the creation is to provide a flat lamp with two different light emitting directions, so as to solve the problem that the illumination lamp with only a single light projection area is prone to cause uneven light illumination intensity inside and outside the light irradiation area, and prone to form too large contrast.

The utility model provides a technical scheme as follows that above-mentioned technical problem took:

a flat panel light fixture, comprising:

the frame assembly surrounds to form an accommodating space;

the first light-transmitting plate is arranged on one side surface of the accommodating space formed by the frame;

the second light-transmitting plate and the first light-transmitting plate are arranged on the other side surface of the accommodating space formed by the frame in parallel and oppositely; and

the light-emitting device is arranged in the accommodating space and positioned between the first light-transmitting plate and the second light-transmitting plate, and light rays emitted by the light-emitting device respectively pass through the first light-transmitting plate and the second light-transmitting plate;

the first light-transmitting plate and the second light-transmitting plate respectively have different light transmittances, so that the illumination intensity of the light rays generated by the light-emitting device transmitted from the first light-transmitting plate and the illumination intensity of the light rays transmitted from the second light-transmitting plate are different from each other.

Preferably, a first semi-transparent layer is arranged on the inner side surface of the first transparent plate or the second transparent plate opposite to the first transparent plate or the second transparent plate, so that the light transmittance of the first transparent plate or the second transparent plate provided with the first semi-transparent layer is smaller than that of the first transparent plate or the second transparent plate not provided with the first semi-transparent layer.

Preferably, the inner side surface of the first transparent plate or the second transparent plate, which is not provided with the first semi-transparent layer, is provided with a second semi-transparent layer, and the light transmittance of the second semi-transparent layer is greater than that of the first semi-transparent layer.

Preferably, the frame composition comprises:

the device comprises two parallel side frames, wherein two ends of each side frame are respectively provided with a connecting end;

the two connecting plates are respectively arranged at two ends of the two side frames in a mutually perpendicular mode with the two side frames, two ends of the two connecting plates are respectively connected to the connecting ends of the two side frames, and the two connecting plates and the two side frames jointly surround to form the accommodating space;

the central bracket and the two side frames are arranged between the two side frames in parallel, and two end parts of the central bracket are respectively connected to the inner side surfaces of the two connecting plates; and

and the two end covers and the two side frames are mutually and vertically arranged at the outer sides of the two connecting plates, and the two ends of the two end covers are respectively connected with the connecting ends of the two side frames.

Preferably, the upper edge and the lower edge of the inner side surfaces of the two side frames are respectively provided with a first connecting groove, and one side edges of the first light-transmitting plate and the second light-transmitting plate, which are adjacent to the side frames, are respectively clamped in the two first connecting grooves; the upper edges and the lower edges of the two side surfaces of the central support are respectively provided with a plurality of second connecting grooves, and one side edges of the first light-transmitting plate and the second light-transmitting plate, which are adjacent to the central support, are clamped in the second connecting grooves.

Preferably, the light emitting device includes two first light emitting bars respectively disposed on the side surfaces of the central support facing the two side frames, and two second light emitting bars disposed on the side surfaces of the two side frames facing the central support.

Preferably, the first light-emitting bar and the second light-emitting bar each have a substrate and a plurality of light-emitting diodes disposed on the substrate.

Preferably, the method further comprises the following steps:

the foot rest is provided with a base and a vertical rod vertically arranged on the base, and the frame assembly is connected to the top end of the vertical rod.

Preferably, the top surface of the frame body is provided with a plurality of connecting members, the connecting members are respectively connected with a hanging member, and the frame assembly is hung on the bottom surface of an indoor ceiling through the hanging members.

Preferably, the method further comprises the following steps:

and one end of the frame assembly is arranged on the top surface of the base.

The beneficial effect of this creation lies in can forming a strong main light of illuminance at the both sides face of flat panel lamp respectively and throw the region, and the opposite side with main light throws the region and forms a lower auxiliary light of illuminance and throws the region, consequently can see through the illumination brightness in the region outside the illumination range of auxiliary light projection region's light balance main light projection region to avoid single light projection region to cause the illumination brightness in region outside the light projection region range not enough and the luminance contrast too big, cause the uncomfortable problem of vision to produce.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The present invention will be described in detail with reference to the accompanying drawings so that the above advantages of the present invention can be more clearly understood.

FIG. 1 is an exploded perspective view of a flat panel lamp of the present invention;

FIG. 2 is a partial perspective assembly view of the flat panel lamp of the present invention;

FIG. 3 is an assembled front sectional view of the flat panel lamp of the present invention;

FIG. 3A is a schematic cross-sectional view of a first arrangement of a semi-transmissive layer of a flat panel lamp according to the present invention;

FIG. 3B is a schematic cross-sectional view of a second arrangement of the semi-transmissive layer of the flat panel lamp according to the present invention;

FIG. 4 is a perspective assembly view of a first application embodiment of the flat panel lamp of the present invention;

FIG. 5 is a perspective assembly view of a flat panel lamp according to a second embodiment of the present invention;

fig. 6 is a perspective assembly view of a flat panel lamp according to a third application embodiment of the present invention.

Detailed Description

The present invention will be described in detail with reference to the following specific embodiments.

[ first embodiment ]

Referring to fig. 1 to 4, the present invention provides a flat lamp 1, wherein the flat lamp 1 has two light emitting directions, and the light can be respectively projected toward two side surfaces of the flat lamp 1 in different proportions, so as to balance the illuminance outside the main light projection area of the lamp and avoid the occurrence of excessive visual contrast.

As shown in fig. 1 to fig. 3, the main structure of the flat lamp 1 of the present invention includes: a frame assembly 10, a first transparent plate 21, a second transparent plate 22, and at least one light-emitting device 30. As shown in fig. 4, the first embodiment of the present invention combines the flat lamp 1 with a stand 50 to form an indoor lighting lamp that can be placed on the floor of a room. The foot stand comprises a base 52 capable of being placed on the ground and an upright rod 51 vertically arranged on the base 52, wherein the frame assembly 10 of the flat panel lamp 1 is connected with the top end of the upright rod 51, so that the flat panel lamp 1 can be erected on the ground through the foot stand 50.

In the structure of the flat lamp 1 of the present invention, the frame assembly 10 is a rectangular frame, the frame assembly 10 is composed of a plurality of frames and connecting plates (described later), an accommodating space 15 is formed on an inner side surface of the frame assembly 10, and the first transparent plate 21 and the second transparent plate 22 are disposed on two side surfaces of the accommodating space 15. The light emitting device 30 includes a plurality of first light emitting bars 31 and a plurality of second light emitting bars 32, and the first light emitting bars 31 and the second light emitting bars 32 are disposed in the accommodating space 15 of the frame assembly 10 and located between the first transparent plate 21 and the second transparent plate 22. The light generated by the light emitting device 30 is reflected and diffused by the first and second transparent plates 21, 22, and then is transmitted through the first and second transparent plates 21, 22, respectively, so as to project the illumination light from the two sides of the flat lamp. The direction of the light emitted from the first transparent plate 21 by the light emitting device 30 is defined as a first light emitting direction a, and the direction of the light emitted from the second transparent plate 22 by the light emitting device 30 is defined as a second light emitting direction B.

The first and second transparent plates 21 and 22 of the present invention are characterized in that the first and second transparent plates 21 and 22 are semi-reflective transparent plates having a light diffusion function, and the first and second transparent plates 21 and 22 have different light transmittances, respectively, so that the light transmitted from the flat lamp 1 of the present invention in the first light emitting direction a and the second light emitting direction B has different illumination intensities.

In order to achieve the above-mentioned functions, the first and second transparent plates 21 and 22 of the present invention adopt the following specific technical means. First, the first and second transparent plates 21 and 22 can be made of a transparent material with a light diffusion function, such as: a fog-like acrylic plate or a frosted glass plate, and the opposite inner sides of the two first and second transparent plates 21, 22 can be polished or provided with semi-reflective materials by evaporation, coating, adhesion, etc., so that the opposite inner sides of the first and second transparent plates 21, 22 have the capability of partially reflecting light. For the purpose of making the first and second transparent plates 21, 22 have different light transmittances, the following method can be used: first, the first and second transparent plates 21 and 22 can be made of materials with different light transmission coefficients or, as shown in fig. 3A, a semi-transparent layer 23 is disposed on a surface of one of the first and second transparent plates 21 and 22, so that the light transmittance of the semi-transparent layer 23 disposed in the first and second transparent plates 21 and 22 is lower than that of the other transparent plate. Alternatively, as shown in fig. 3B, the semi-transparent layer 23 is simultaneously disposed on the surfaces of the first and second transparent plates 21 and 22, but the semi-transparent layers 23 respectively disposed on the first and second transparent plates 21 and 22 respectively have different transmittances, so that the first and second transparent plates 21 and 22 respectively have different transmittances. The semi-transparent layer 23 is preferably disposed on the surface of the first transparent plate 21 or the second transparent plate 22 by, but not limited to, evaporation, coating, printing, or adhering.

As shown in fig. 3 and 4, in the embodiment, a semi-transparent layer 23 is disposed on the surface of the second transparent plate 22, so that the light transmittance of the second transparent plate 22 is lower than that of the first transparent plate 21, and thus the light quantity of the light projected from one side surface of the first transparent plate 21 by the flat panel lamp 1 is greater than that of the light projected from the second transparent plate 22, so that the first light-emitting direction a of the flat panel lamp 1 has a higher illumination intensity to form a main light-projecting area, and the second light-emitting direction B has a lower illumination intensity to form an auxiliary light-projecting area.

Therefore, as shown in fig. 4, the flat lamp 1 is horizontally disposed on the top of the stand 50, and the first transparent plate 21 of the flat lamp 1 faces the ground, and one side of the second transparent plate 22 is arranged to face the ceiling, so that the main light projection area of the flat lamp 1 faces the ground, and the indoor ground in the area below the flat lamp 1 can be illuminated, and the auxiliary light projection area faces the ceiling, so that part of the light of the flat lamp 1 is projected on the ceiling or the wall surface above the flat lamp 1.

The frame assembly 10 of the flat panel lamp 1 of the present creation has: two side frames 11, two connecting plates 12, a central support 14, and two end covers 13. The two side frames 11 are disposed in parallel on two sides of the frame assembly 10, the two side frames 11 are long rods made by aluminum extrusion, two ends of each long rod are respectively provided with a connection end 111, the cross-sectional shapes of the two side frames 11 are circular arc-shaped, and the opposite inner sides of the two side frames 11 are planar.

The two connecting plates 12 are metal plates, and the two connecting plates 12 are perpendicular to the two side frames 11 and connected to the connecting ends 111 at the two ends of the two side frames 11 by screws. The two connecting plates 12 and the two side frames 11 jointly surround the main structure of the frame assembly 10, and an accommodating space 15 is formed on the inner side surfaces of the two side frames 11 and the two connecting plates 12.

A central support 14 is further disposed between the two side frames 11, as shown in fig. 1 and 3, the central support 14 in this embodiment has a bottom plate 141, and two side plates 142 integrally connected to the top surfaces of the two sides of the bottom plate 141, and a receiving groove 144 is formed between the two side plates 142 for receiving the control circuit 40 of the flat panel lamp 1. The central support 14 is connected at both ends to the inner sides of the two connection plates 12.

In the embodiment of the present invention, two first engagement grooves 112 are formed at upper and lower edges of the inner side surfaces of the side frames 11, and a plurality of second engagement grooves 143 are formed at upper and lower edges of the side plates 142 of the center frame 14 to be opposite to the first engagement grooves 112. The two side edges of the first transparent plate 21 and the second transparent plate 22 are respectively clamped between the first connecting groove 112 and the second connecting groove 143, so that the first and second transparent plates 21, 22 are connected with the two side frames 11 and the central support 14.

The two end covers 13 and the two side frames 11 of the frame assembly 10 are perpendicular to each other and are located outside the two connecting plates 12. The two ends of the two end caps 13 are respectively provided with a flange portion 131 connected to the connecting ends 111 of the two side frames 11, and the two flange portions 131 can be inserted into the connecting ends 111 of the two ends of the two side frames 11, so that the two ends of the two end caps 13 are combined with the connecting ends 111 of the two side frames 11.

The light emitting device 30 of the flat panel lamp 1 includes two first light emitting bars 31 and two second light emitting bars 32. The two first light bars 31 are disposed on the surfaces of the two side plates 142 of the central frame 14. And the second light bar 32 is disposed on the opposite inner sides of the two side frames 11. In this embodiment, the first light-emitting bar 31 and the second light-emitting bar 32 of the light-emitting device 30 are composed of an elongated circuit substrate and a plurality of light-emitting diodes disposed on the circuit substrate.

[ second embodiment ]

As shown in fig. 5, in the second embodiment, the flat panel lamp 1 is in the form of a ceiling lamp, a plurality of hanging members 17 are disposed on the top surface of the frame assembly 10, each connecting member 16 is connected to a hanging member 17, and the flat panel lamp is hung from the ceiling or other structures through the connecting members 16 and the hanging members 17, so that the flat panel lamp 1 becomes a hanging lamp.

[ third embodiment ]

Fig. 6 shows another application example of the flat lamp 1 of the present invention, in which one end of the flat lamp 1 is connected to a base 18, so that the flat lamp 1 is vertically disposed on the top surface of the base 18, thereby making the flat lamp 1 a vertical lamp capable of being placed on the ground. The flat lamp 1 of this embodiment can also be used as a movable billboard lamp or a movable illumination lamp at the same time.

In summary, the present invention has the advantages that the flat panel lamp 1 can form a main light projection area with stronger illumination on two side surfaces thereof, and form an auxiliary light projection area with lower illumination on the other side of the main light projection area, so that the illumination brightness of the area outside the illumination range of the main light projection area can be balanced by the light of the auxiliary light projection area, thereby avoiding the problems of insufficient illumination brightness and excessive contrast of the illumination brightness outside the light projection area caused by a single light projection area, and visual discomfort caused by the insufficient illumination brightness and excessive contrast of the illumination brightness.

The above description is only a preferred embodiment of the present disclosure, and not intended to limit the scope of the present disclosure by , so that all equivalent technical changes made by using the contents of the present disclosure and drawings are included in the scope of the present disclosure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A flat panel light fixture, comprising:

the frame assembly surrounds to form an accommodating space;

the first light-transmitting plate is arranged on one side surface of the accommodating space formed by the frame;

the second light-transmitting plate and the first light-transmitting plate are arranged on the other side surface of the accommodating space formed by the frame in parallel and oppositely; and

the light-emitting device is arranged in the accommodating space and positioned between the first light-transmitting plate and the second light-transmitting plate, and light rays emitted by the light-emitting device respectively pass through the first light-transmitting plate and the second light-transmitting plate;

the first light-transmitting plate and the second light-transmitting plate respectively have different light transmittances, so that the illumination intensity of the light rays generated by the light-emitting device transmitted from the first light-transmitting plate and the illumination intensity of the light rays transmitted from the second light-transmitting plate are different from each other.

2. A flat panel lamp as claimed in claim 1, wherein a first translucent layer is provided on an opposite inner side of the first or second translucent plate, such that the light transmittance of the first or second translucent plate provided with the first translucent layer is less than the light transmittance of the first or second translucent plate not provided with the first translucent layer.

3. A flat panel lamp as claimed in claim 2, wherein the inner side of the first or second transparent plate not provided with the first translucent layer is provided with a second translucent layer having a higher transmittance than the first translucent layer.

4. A flat panel light fixture as recited in claim 1, wherein the frame assembly comprises:

the device comprises two parallel side frames, wherein two ends of each side frame are respectively provided with a connecting end;

the two connecting plates are respectively arranged at two ends of the two side frames in a mutually perpendicular mode with the two side frames, two ends of the two connecting plates are respectively connected to the connecting ends of the two side frames, and the two connecting plates and the two side frames jointly surround to form the accommodating space;

the central bracket and the two side frames are arranged between the two side frames in parallel, and two end parts of the central bracket are respectively connected to the inner side surfaces of the two connecting plates; and

and the two end covers and the two side frames are mutually and vertically arranged at the outer sides of the two connecting plates, and the two ends of the two end covers are respectively connected with the connecting ends of the two side frames.

5. The flat panel lamp as claimed in claim 4, wherein the upper and lower edges of the inner side surfaces of the two side frames are respectively provided with a first engaging groove, and one side of the first transparent plate and one side of the second transparent plate adjacent to the side frame are respectively clamped in the two first engaging grooves; the upper edges and the lower edges of the two side surfaces of the central support are respectively provided with a plurality of second connecting grooves, and one side edges of the first light-transmitting plate and the second light-transmitting plate, which are adjacent to the central support, are clamped in the second connecting grooves.

6. The flat panel lamp as claimed in claim 5, wherein the light emitting device comprises two first light emitting bars respectively disposed on the sides of the central frame facing the side frames, and two second light emitting bars disposed on the sides of the side frames facing the central frame.

7. The flat panel lamp as claimed in claim 6, wherein the first light-emitting bar and the second light-emitting bar each have a substrate and a plurality of LEDs disposed on the substrate.

8. The flat panel light fixture of claim 1, further comprising:

the foot rest is provided with a base and a vertical rod vertically arranged on the base, and the frame assembly is connected to the top end of the vertical rod.

9. The flat panel lamp as claimed in claim 1, wherein the top surface of the frame body is provided with a plurality of connecting members, each of the connecting members is connected to a hanging member, and the frame assembly is hung on the bottom surface of an indoor ceiling through the hanging member.

10. The flat panel light fixture of claim 1, further comprising:

and one end of the frame assembly is arranged on the top surface of the base.

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