CN203202854U - A LED lamp with uniform light output - Google Patents

Abstract

The utility model relates to the technical field of LED lamps, and in particular to an LED lamp with uniform light output, including an upper LED module that irradiates toward the ceiling and reflects light, and a lower LED module that irradiates downward. The LED lamp is composed of an upper LED module that irradiates upward and a lower LED module that irradiates downward. The light irradiated upward by the upper LED module can be reflected by the ceiling and mixed with the light emitted by the lower LED module to form a good ambient light, soften the excessive facial shadow, and reduce glare. The light irradiated downward can highlight the desktop, objects, face, etc., making the space more obvious and creating a visual excitement point. This LED lamp is particularly suitable for office lighting and is conducive to the development and application of LED lamps.

Description

A LED lamp with uniform light output

technical field

The utility model relates to the technical field of LED lamps, in particular to an LED lamp with uniform light output.

Background technique

At present, the light sources used in lamps and lanterns on the market are mainly divided into traditional light sources such as fluorescent lamps, energy-saving lamps, etc., and LED light sources, and LED light sources are gradually replacing the current traditional light sources due to their long life, no pollution, and high luminous efficiency. Tubes, LED street lights, LED spotlights and other products have occupied a large share in the market. However, ordinary LED lamps generally have the problems of uneven light emission and more glare, which seriously restrict the development and application of LED lamps.

Utility model content

The purpose of the utility model is to provide an LED lamp with uniform light emission in view of the technical problem to be solved. The LED lamp has a simple structure, can emit light evenly, does not produce dark areas, and the light emitted by the lamp is soft and comfortable.

An LED lamp with uniform light output includes an upper LED module that illuminates the ceiling and reflects light from the ceiling, and a lower LED module that illuminates downward.

Wherein, the number ratio of the upper LED modules and the lower LED modules is 1:2, and each upper LED module is located between two lower LED modules.

Wherein, the lower LED module includes a strip bracket and a light diffusion plate installed on the strip bracket, the light diffusion plate is installed on the bottom of the strip bracket, the top surface of the strip bracket is an arc top surface, and the strip bracket The two sides of the LED module are rectangular surfaces; the cross-section of the lower LED module is a sector; the upper LED module is an inverted lower LED module; the connecting surface of the lower LED module and the upper LED module is a strip side of the stand.

Wherein, the front and rear ends of the strip bracket of the LED lamp are respectively provided with module fixing plates, and the lower LED module and the upper LED module are fixed by the module fixing plates.

Wherein, two inclined aluminum substrates are installed in the strip bracket, each aluminum substrate is provided with a plurality of LED light sources, and the intersection angle of the extended surfaces of the two aluminum substrates is an obtuse angle; the light diffusion plate is arranged on the LED outside the light source.

Wherein, the intersection angle of the extended surfaces of the two aluminum substrates is 150°-175°. The optimal angle is 165°.

Wherein, two inclined light source mounting plates are arranged between the top surface of the strip-shaped support and the light diffusion plate, and the aluminum base plate is mounted on the light source mounting plate.

Wherein, the light diffusion plate is a transparent, arc-shaped PC cover, and the arc of the PC cover is 70°-80°. The optimal arc of the PC cover is 76°.

Wherein, the top surface and both sides of the strip-shaped bracket and the light source installation plate are integrally formed special-shaped aluminum profiles.

Wherein, the LED lamp further includes a hanging device for hanging, and the height of the hanging device is 0.7 meters to 1.3 meters.

The beneficial effect of the utility model is that: the LED lamp of the utility model is composed of an upper LED module that illuminates upward and a lower LED module that illuminates downward. The light emitted by the module is mixed to form a good ambient light, which softens the strong shadow of the face and reduces glare. The downward light can highlight the desktop, objects and faces, etc., making the space more obvious and creating visual excitement. This kind of LED lamp is especially suitable for office lighting and is conducive to the development and application of LED lamps.

Description of drawings

Fig. 1 is a schematic structural diagram of the LED lamp of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the LED lamp of the present invention.

Fig. 3 is a schematic cross-sectional structure diagram of a lower LED module of the present invention.

Fig. 4 is a partial structural schematic diagram of the LED lamp of the present invention.

1—strip bracket; 2—light diffusion plate;

3—module fixing plate; 4—aluminum substrate;

5—LED light source; 6—hanging device;

11—Light source mounting plate. the

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 to 4, an LED lamp with uniform light output includes an upper LED module that illuminates the ceiling and reflects light from the ceiling, and a lower LED module that illuminates downward. The LED lamp of the utility model is composed of an upper LED module that illuminates upward and a lower LED module that illuminates downward. The light emitted by the upper LED module can be reflected through the ceiling and mixed with the light emitted by the lower LED module to form a It provides good ambient light, softens the strong face shadows, and reduces glare. The downward light can highlight the desktop, objects and faces, etc., making the space more obvious and creating visual excitement. This kind of LED lamp is especially suitable for office lighting and is conducive to the development and application of LED lamps.

Wherein, the number ratio of the upper LED modules and the lower LED modules is 1:2, and each upper LED module is located between two lower LED modules. The lighting adopts the method of up three down seven, that is, about 30% of the light is irradiated to the ceiling, and about 70% of the light is directly irradiated downward. This ratio comprehensively considers the utilization rate and use effect of the light source. Using this ratio can achieve better Excellent light effect, and save power.

Wherein, the lower LED module includes a strip bracket 1 and a light diffusion plate 2 installed on the strip bracket 1, the light diffusion plate 2 is installed on the bottom of the strip bracket 1, and the top surface of the strip bracket 1 is arc-shaped The top surface, the two sides of the strip support 1 are rectangular surfaces; the cross-section of the lower LED module is a sector, and the sector is fan-shaped with the center of the circle removed, which is convenient for splicing, and has a gentle arc after splicing, and the appearance is beautiful; The upper LED module is an inverted lower LED module; the connection surface between the lower LED module and the upper LED module is the side of the strip support 1 . The modules of the LED lamp can be spliced according to the needs of users, with better scalability and easy assembly into lamps of different powers and specifications.

Wherein, the front and rear ends of the strip bracket 1 of the LED lamp are respectively provided with module fixing plates 3 , and the lower LED module and the upper LED module are fixed by the module fixing plates 3 . The size of the module fixing plate 3 is determined by the number of required lower LED modules and upper LED modules, and the two ends are fixed, so the structure is simple and the connection is stable.

Wherein, two inclined aluminum substrates 4 are installed in the strip bracket 1, and each aluminum substrate 4 is provided with a plurality of LED light sources 5, and the intersection angle of the extended surfaces of the two aluminum substrates 4 is an obtuse angle; the light The diffusion plate 2 is arranged outside the LED light source 5 . In the LED lamp, two aluminum substrates 4 with a plurality of LED light sources 5 are arranged obliquely, so that the light source can evenly pass through the light diffusion plate 2 and emit without dark areas, so that the light from the LED lamp is soft and comfortable.

Wherein, the intersection angle of the extended surfaces of the two aluminum substrates 4 is 150°-175°. The optimum angle is 165°. 165° is the best angle obtained after many experiments. Using this angle makes the light output of the lamp uniform and does not produce dark areas.

Wherein, two inclined light source mounting plates 11 are arranged between the top surface of the strip bracket 1 and the light diffusion plate 2 , and the aluminum substrate 4 is mounted on the light source mounting plate 11 . On the one hand, the light source mounting plate 11 plays the role of fixing the aluminum substrate 4 provided with the LED light source 5 , and on the other hand, it is beneficial to the heat dissipation of the LED light source 5 .

Wherein, the light diffusion plate 2 is a transparent, arc-shaped PC cover, and the arc of the PC cover is 70°-80°. The optimal arc of the PC cover is 76°. The light diffuser plate 2 adopts a curved PC cover, which matches the inclination angle of the aluminum substrate 4, so that the light emitted by the lamp at all angles is more uniform; the PC cover with a radian of 76° matches the aluminum substrate 4 with an inclination angle of 165°, Satisfied that the arrangement of the LED light source 5 and the PC cover is uniform in height, the emitted light reaches the best uniform state, and the light is softer and more comfortable.

Wherein, the top surface and both sides of the strip-shaped bracket 1 and the light source installation plate 11 are integrally formed special-shaped aluminum profiles. The heterosexual aluminum profile is easy to manufacture, can simultaneously satisfy the uniform light output of the LED module and the splicing performance of the LED module, has many functions, and is beneficial to the development and application of LED lamps.

Wherein, the LED lamp further includes a hanging device 6 for hanging, and the height of the hanging device 6 is 0.7 meters to 1.3 meters. The height of the hanging device 6 is preferably designed to be 1 meter, so that the fusion effect of reflected light and direct light is better. Of course, this height is not absolute, and users can adjust it according to specific conditions such as the height of the ceiling, which is more flexible.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (9)

1. the LED light fixture of an even bright dipping is characterized in that: comprises to the ceiling irradiation and by the last LED module of ceiling reflection ray, and the following LED module that shines downwards; The described number that goes up LED module and following LED module is than being 1:2, and on each the LED module between two following LED modules.

2. the LED light fixture of a kind of even bright dipping according to claim 1, it is characterized in that: described LED module down comprises strip-shaped bracket and the light diffusing sheet that is installed on the strip-shaped bracket, light diffusing sheet is installed on the bottom of strip-shaped bracket, the end face of strip-shaped bracket is arc top surface, and the two sides of strip-shaped bracket are rectangular surfaces; The described cross section of LED module down is covering of the fan; The described LED module of going up is inverted LED module down; The joint face of described LED module down and last LED module is the side of strip-shaped bracket.

3. the LED light fixture of a kind of even bright dipping according to claim 2, it is characterized in that: the forward and backward two ends of the strip-shaped bracket of described LED light fixture are respectively equipped with the module fixed head, and following LED module and last LED module are fixed by the module fixed head.

4. the LED light fixture of a kind of even bright dipping according to claim 2, it is characterized in that: two aluminium bases that are obliquely installed are installed in the described strip-shaped bracket, and every aluminium base is provided with a plurality of led light sources, and the elongated surfaces intersecting angle of two aluminium bases is in obtuse angle; Described light diffusing sheet is located at the led light source outside.

5. the LED light fixture of a kind of even bright dipping according to claim 4, it is characterized in that: the elongated surfaces intersecting angle of two aluminium bases is 150 ° ~ 175 °.

6. the LED light fixture of a kind of even bright dipping according to claim 4, it is characterized in that: be provided with two light source installing plates that are obliquely installed between the end face of described strip-shaped bracket and the light diffusing sheet, described aluminium base is installed on the light source installing plate.

7. the LED light fixture of a kind of even bright dipping according to claim 2 is characterized in that: described light diffusing sheet is PC cover transparent, arc, and the radian of described PC cover is 70 ° ~ 80 °.

8. the LED light fixture of a kind of even bright dipping according to claim 2 is characterized in that: the aluminium section bar that the end face of described strip-shaped bracket and two sides, light source installing plate are formed in one.

9. the LED light fixture of a kind of even bright dipping according to claim 2 is characterized in that: described LED light fixture comprises that also the height of described erecting by overhang is 0.7 meter ~ 1.3 meters for the erecting by overhang that hangs.

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