Anti-glare LED lamp

Abstract

The present invention discloses an anti-glare LED lamp, comprising a housing, a reflector, an LED lamp tube, an anti-glare component, an adjustment component and a circuit board. A plurality of reflectors are respectively installed in recesses located at one side of the housing and the openings face the mouths of the recesses. A plurality of LED lamp tubes are respectively installed in each reflector. The anti-glare component comprises a rotating shaft, a light guide plate, a gear and a toothed belt. A plurality of rotating shafts are sequentially passed through each reflector and are rotatably connected to the mouths of each reflector near the openings through bearings. One ends of a plurality of light guide plates are respectively extended into the openings of the reflectors and are fixed to the outer walls of the rotating shafts. A plurality of gears are respectively installed outside each rotating shaft. The toothed belt is simultaneously meshed with a plurality of corresponding gears located outside each rotating shaft. One end of one of the rotating shafts passes through the housing and the rotation angle is adjusted by the adjustment component, so that the emission angle of light can be changed to prevent the occurrence of glare.

Description

[Technical field]

[0001] The invention relates to the technical field of LED lamps, in particular to the technical field of an anti-glare LED lamp. [Background technology]

[0002] Dazzle refers to a visual phenomenon that causes visual discomfort and reduced visibility of objects due to inappropriate brightness distribution or extreme brightness contrast in time in the field of vision. Bright light that the human eye cannot adapt to in the field of vision is one of the important causes of visual fatigue, and in severe cases it can even lead to decreased vision. Existing LED lights are usually installed on the ceiling. When people look up, their eyes can easily come into direct contact with the exposed light source and produce dazzle. If a lampshade is installed on the LED light, the brightness loss will be large. [Summary of the invention]

[0003] The purpose of the present invention is to solve the problems in the prior art and to provide an anti-glare LED lamp that can change the emission angle of light to avoid direct contact between human sight and exposed light sources, thereby preventing the occurrence of glare.

[0004] To achieve the above-mentioned purpose, the present invention proposes an anti-glare LED lamp, comprising a cover shell, a reflector, an LED lamp tube, an anti-glare component, an adjustment component and a circuit board, wherein the cross-section of the reflector is U-shaped, and a plurality of the reflectors are respectively installed in a recess located on one side of the cover shell and the opening faces the mouth of the recess, and a plurality of the LED lamp tubes are respectively installed in each reflector and electrically connected to the circuit board located in the inner cavity of the cover shell, and the anti-glare component comprises a rotating shaft, a light guide plate, a gear and a toothed belt, and a plurality of the rotating shafts are sequentially passed through each reflector and are rotatably connected to the mouth of each reflector near the opening through bearings, one end of a plurality of the light guide plates respectively extends into the opening of the reflector and is fixed to the outer wall of the rotating shaft, and a plurality of the gears are respectively installed outside each rotating shaft, and the toothed belt is simultaneously meshed with a plurality of corresponding gears located outside each rotating shaft, and one end of one of the rotating shafts passes through the outside of the cover shell and the rotation angle is adjusted by the adjustment component.

[0005] Preferably, the free ends of the reflective plate are spaced apart from each other to form a flat-bottomed V-shape.

[0006] Preferably, a reflective coating is provided on a side of the reflector close to the LED lamp tube.

[0007] Preferably, the adjustment assembly includes an outer cylinder, an inner cylinder and a limit handle, the outer cylinder is fixed on the outer wall of the cover shell and is coaxially arranged with one of the rotating shafts, one end of the inner cylinder is threaded into the outer cylinder, one end of the limit handle extends into the outer cylinder after passing through the inner cylinder and is provided with a convex edge, and the convex edge can be clamped between the cover shell and the inner cylinder when the inner cylinder is screwed into the outer cylinder.

[0008] Preferably, the outer wall of the inner cylinder and the non-threaded section and the outer wall of the limiting handle are respectively provided with anti-slip patterns.

[0009] Preferably, a sealing ring is provided at one end of the inner cylinder extending into the outer cylinder, and the convex edge can be clamped between the cover shell and the sealing ring.

[0010] Preferably, rubber gaskets are provided between the convex edge and adjacent surfaces of the cover shell and the sealing ring.

[0011] Preferably, a slide groove is provided in the position-limiting handle, and a free end of a rotating shaft coaxially arranged with the outer cylinder is provided with a protrusion which is slidably connected with the slide groove.

[0012] Preferably, an angle scale is provided on the free end surface of the inner cylinder, and a pointer is provided on the free end surface of the limit handle.

[0013] Preferably, it also includes a heat dissipation mesh, and a plurality of the heat dissipation meshes are respectively fixed between two adjacent reflective plates.

[0014] Beneficial effects of the present invention:

[0015] The present invention combines a cover shell, a reflector, an LED lamp tube, an anti-glare component and an adjustment component, and can use the reflector to reflect the light emitted by the LED lamp tube, thereby improving the light efficiency and saving energy. At the same time, the adjustment component is used to drive the rotating shafts of the anti-glare component to rotate at a specified angle, and then cooperates with the gear and the toothed belt to realize the angle control of each light guide plate, so as to change the emission angle of the light as required, avoid direct contact between the line of sight of a person and the exposed light source, effectively prevent the occurrence of glare, and avoid eye discomfort; by respectively arranging rubber gaskets between the convex edge and the adjacent surfaces of the cover shell and the sealing ring, the friction is increased, and the self-rotation of each rotating shaft is effectively avoided, so as to ensure the stability of the angle control of each light guide plate, and at the same time reduce the damage to related components caused by collision and pressure; by adding an angle scale and a pointer, it is convenient to accurately adjust the angle of each light guide plate; by installing a metal mesh between each reflector, the heat dissipation effect is effectively improved, and the LED lamp tube and the control panel are avoided from being damaged by heat.

[0016] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0017] Figure 1 This is a front view of an anti-glare LED lamp of the present invention;

[0018] Figure 2 This is a front view of an anti-glare LED lamp of the present invention after removing the heat dissipation mesh;

[0019] Figure 3 It is a cross-sectional schematic diagram of a reflector of an anti-glare LED lamp of the present invention;

[0020] Figure 4 It is a right view of an adjustment component of an anti-glare LED lamp of the present invention;

[0021] Figure 5 It is a front cross-sectional view of an adjustment component of an anti-glare LED lamp of the present invention in a working state;

[0022] Figure 6 It is a front cross-sectional view of an adjustment component of an anti-glare LED lamp of the present invention in another working state.

[0023] In the figure: 1-cover, 2-reflector, 21-reflective coating, 3-LED lamp tube, 4-heat dissipation mesh, 5-anti-glare component, 51-rotating shaft, 511-bump, 52-light guide plate, 53-gear, 54-toothed belt, 6-adjustment component, 61-outer cylinder, 62-inner cylinder, 621-sealing ring, 622-angle scale, 63-limiting grip, 631-convex edge, 632-slide groove, 633-pointer, 64-rubber gasket. [Specific implementation method]

[0024] See also Figures 1 to 6 The present invention provides an anti-glare LED lamp, comprising a housing 1, a reflector 2, an LED lamp tube 3, an anti-glare component 5, an adjustment component 6 and a circuit board. The cross section of the reflector 2 is U-shaped. A plurality of reflectors 2 are respectively installed in a recess located on one side of the housing 1 and the openings face the mouth of the recess. A plurality of LED lamp tubes 3 are respectively installed in each reflector 2 and are electrically connected to the circuit board located in the inner cavity of the housing 1. The anti-glare component 5 comprises a rotating shaft 51, a light guide plate 52, a gear 53 and a toothed belt 54. If The rotating shaft 51 passes through each reflector 2 in sequence and is rotatably connected to the mouth of each reflector 2 near the opening through a bearing. One ends of several light guide plates 52 extend into the openings of the reflectors 2 and are fixed to the outer wall of the rotating shaft 51. Several gears 53 are respectively installed outside each rotating shaft 51. The toothed belt 54 is simultaneously engaged with the corresponding several gears 53 located outside each rotating shaft 51. One end of one of the rotating shafts 51 passes through the cover 1 and the rotation angle is adjusted by the adjustment component 6.

[0025] The free ends of the reflector 2 are away from each other so as to form a flat-bottomed V-shape.

[0026] A reflective coating 21 is provided on one side of the reflector 2 close to the LED lamp tube 3 .

[0027] The adjustment assembly 6 includes an outer cylinder 61, an inner cylinder 62 and a limit handle 63. The outer cylinder 61 is fixed on the outer wall of the cover shell 1 and is coaxially arranged with one of the rotating shafts 51. One end of the inner cylinder 62 is threaded into the outer cylinder 61. One end of the limit handle 63 extends into the outer cylinder 61 after passing through the inner cylinder 62 and is provided with a flange 631. The flange 631 can be clamped between the cover shell 1 and the inner cylinder 62 when the inner cylinder 62 is screwed into the outer cylinder 61.

[0028] The outer wall of the inner cylinder 62 and the non-threaded section as well as the outer wall of the limit handle 63 are respectively provided with anti-slip patterns.

[0029] A sealing ring 621 is disposed at one end of the inner cylinder 62 extending into the outer cylinder 61 , and the flange 631 can be clamped between the housing 1 and the sealing ring 621 .

[0030] Rubber gaskets 64 are respectively provided between the protruding edge 631 and the adjacent surfaces of the housing 1 and the sealing ring 621 .

[0031] A slide groove 632 is provided in the position-limiting handle 63 , and a protrusion 511 is provided at the free end of the rotating shaft 51 coaxially arranged with the outer cylinder 61 and is slidably connected to the slide groove 632 .

[0032] An angle scale 622 is disposed on the free end surface of the inner cylinder 62 , and a pointer 633 is disposed on the free end surface of the limit handle 63 .

[0033] It also includes a heat dissipation mesh 4 , and a plurality of heat dissipation meshes 4 are respectively fixed between two adjacent reflective plates 2 .

[0034] Working process of the present invention:

[0035] First, if Figure 5 As shown, the inner cylinder 62 is rotated outwards so that the inner cylinder 62 and the cover 1 no longer clamp the convex edge 631. Then, the limit handle 63 is pulled outwards and rotated to a certain angle as required, thereby driving the rotating shaft 51 connected thereto to rotate to a certain angle, and the gear 53 and the toothed belt 54 are used to drive the remaining rotating shafts 51 and the light guide plate 52 connected thereto to rotate to a certain angle, so as to adjust the angle of the light emitted by the LED lamp tube 3 to prevent the person's sight from directly contacting the exposed light source. Figure 6 As shown, the limit handle 63 is pushed inward until the limit handle 63 is tightly attached to the housing 1 , and then the inner cylinder 62 is rotated inward until the housing 1 and the inner cylinder 62 clamp the convex edge 631 together.

[0036] The light guide plate 52 may be a grid plate.

[0037] The present invention combines a cover shell, a reflector, an LED lamp tube, an anti-glare component and an adjustment component, and can use the reflector to reflect the light emitted by the LED lamp tube, thereby improving the light efficiency and saving energy. At the same time, the adjustment component is used to drive the rotating shafts of the anti-glare component to rotate at a specified angle, and then cooperates with the gear and the toothed belt to realize the angle control of each light guide plate, so as to change the emission angle of the light as required, avoid direct contact between the line of sight of a person and the exposed light source, effectively prevent the occurrence of glare, and avoid eye discomfort; by respectively arranging rubber gaskets between the convex edge and the adjacent surfaces of the cover shell and the sealing ring, the friction is increased, and the self-rotation of each rotating shaft is effectively avoided, so as to ensure the stability of the angle control of each light guide plate, and at the same time reduce the damage to related components caused by collision and pressure; by adding an angle scale and a pointer, it is convenient to accurately adjust the angle of each light guide plate; by installing a metal mesh between each reflector, the heat dissipation effect is effectively improved, and the LED lamp tube and the control panel are avoided from being damaged by heat.

[0038] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. An anti-glare LED lamp, characterized in that: The invention comprises a housing (1), a reflector (2), an LED light tube (3), an anti-glare component (5), an adjustment component (6) and a circuit board, wherein the reflector (2) has a U-shaped cross section, a plurality of reflectors (2) are respectively installed in recesses located on one side of the housing (1) and their openings face the mouth of the recesses, a plurality of LED light tubes (3) are respectively installed in each reflector (2) and are electrically connected to the circuit board located in the inner cavity of the housing (1), and the anti-glare component (5) comprises a rotating shaft (51), a light guide plate (52), a gear (53) and a toothed belt (54). A plurality of rotating shafts (51) are sequentially passed through each reflective plate (2) and are rotatably connected to the mouth of each reflective plate (2) near the opening through a bearing. One end of each of the light guide plates (52) extends into the opening of the reflective plate (2) and is fixed to the outer wall of the rotating shaft (51). A plurality of gears (53) are respectively installed outside each rotating shaft (51). The toothed belt (54) is simultaneously meshed with a plurality of corresponding gears (53) located outside each rotating shaft (51). One end of one of the rotating shafts (51) passes through the outside of the housing (1) and is fixed by a toothed belt (54). The adjusting assembly (6) adjusts the rotation angle. The adjusting assembly (6) comprises an outer cylinder (61), an inner cylinder (62) and a limit handle (63). The outer cylinder (61) is fixed on the outer wall of the housing (1) and is coaxially arranged with one of the rotating shafts (51). One end of the inner cylinder (62) is screwed into the outer cylinder (61) through a thread. One end of the limit handle (63) extends into the outer cylinder (61) after passing through the inner cylinder (62) and is provided with a convex edge (631). When the inner cylinder (62) is screwed into the outer cylinder (61), the convex edge (631) can be The inner cylinder (62) is clamped between the cover shell (1) and the inner cylinder (62), and a sealing ring (621) is provided at one end of the inner cylinder (62) extending into the outer cylinder (61). The flange (631) can be clamped between the cover shell (1) and the sealing ring (621). Rubber washers (64) are provided between the flange (631) and the adjacent surfaces of the cover shell (1) and the sealing ring (621). A sliding groove (632) is provided in the limit grip (63). A free end of a rotating shaft (51) coaxially arranged with the outer cylinder (61) is provided with a protrusion (511) and is slidably connected to the sliding groove (632).

2. The anti-glare LED lamp according to claim 1, characterized in that: The free ends of the reflective plate (2) are spaced apart from each other so as to form a flat-bottomed V-shape.

3. The anti-glare LED lamp according to claim 2, characterized in that: A reflective coating (21) is provided on the side of the reflective plate (2) close to the LED light tube (3).

4. The anti-glare LED lamp according to claim 1, characterized in that: Anti-slip patterns are respectively provided on the outer wall of the inner cylinder (62) and the non-threaded section as well as the outer wall of the position-limiting handle (63).

5. The anti-glare LED lamp according to claim 1, characterized in that: An angle scale (622) is provided on the free end surface of the inner cylinder (62), and a pointer (633) is provided on the free end surface of the position-limiting handle (63).

6. An anti-glare LED lamp according to any one of claims 1 to 5, characterized in that: It also comprises a heat dissipation mesh (4), wherein a plurality of heat dissipation meshes (4) are respectively fixed between two adjacent reflective plates (2).

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