Anti-dazzle structure of LED blackboard eye-protection lamp

Abstract

The utility model relates to the technical field of LED illumination, and discloses an anti-dazzle structure of an LED blackboard eye-protection lamp, which is used for solving the problem that part of students have a dazzle phenomenon due to different heights. A supporting rod is movably arranged in a long circular groove of an eye protection lamp body, a short reflecting plate of a grating is arranged in a mounting groove, the supporting rod penetrates through through holes in the two ends of the short reflecting plate, a traction rope is connected to the supporting rod, and the traction rope penetrates through the eye protection lamp body and is provided with a clothes rope fixing device. When the grating cannot shield direct light and needs to be adjusted, the distance between the clothes rope fixing device and the supporting rod is adjusted by pressing the clothes rope fixing device and pulling the clothes rope fixing device to move in the axial direction of the traction rope, and after adjustment is completed, the clothes rope fixing device is placed at the top end of the eye protection lamp body. The position of the supporting rod in the long circular groove can be automatically adjusted according to the length of the traction rope, so that the distance between the grating and the LED lamp is adjusted, light emitted by the LED lamp can be reflected or refracted by the grating, and the glare phenomenon is prevented.

Description

Technical Field

[0001] The present application relates to the field of LED lighting technology, and in particular to an anti-glare structure of an LED blackboard eye protection lamp. Background Art

[0002] LED blackboard eye protection lamp is a special lighting equipment, mainly used in the field of educational lighting, especially classroom blackboard lighting. This kind of lamp usually uses LED as the light source, has eye protection function, can effectively reduce students' visual fatigue, improve learning efficiency and protect eye health. Glare refers to the visual condition that causes visual discomfort and reduces the visibility of objects due to inappropriate brightness distribution in the field of vision, or extreme brightness contrast in space or time. The light sensation in the field of vision that the human eye cannot adapt to may cause disgust, discomfort or even loss of vision.

[0003] Since students in the school are of different grades and have different heights, the LED blackboard eye protection lamps in the classroom are installed uniformly and the installation angles are adjusted uniformly. When using the grille to prevent glare, due to the different heights of students, the sight of taller students can be blocked by the grille to prevent the light from directly shining into the students' eyes. However, for shorter students, the sight may not be blocked by the grille, and glare will still occur. In addition, after the LED blackboard eye protection lamp is used for a long time, the LED lamp will age. After the LED lamp ages, the lighting effect may become weaker. At this time, the grille is still fixedly installed and reflects and refracts the light of the LED lamp. In this process, the weaker light will become weaker. In the case of weak light, it will not only fail to achieve the purpose of eye protection, but also hurt the eyes. Utility Model Content

[0004] The present application proposes an anti-glare structure for an LED blackboard eye protection lamp, which has the advantages of adjustable grille position, adjustable grille reflection and refraction effects, and is used to solve the problem of glare for some students due to different heights and weakening of light by the grille after LED aging.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: an anti-glare structure of an LED blackboard eye protection lamp, comprising an eye protection lamp body, an LED lamp, an end plate, a mounting rod and a grille, the eye protection lamp body being provided with: an oblong groove, which is opened at the lower position of the side walls on both sides of the eye protection lamp body; mounting grooves, which are equidistantly opened at the side walls on both sides of the eye protection lamp body and are connected to the oblong grooves; a support rod, which is arranged in the oblong groove, and the two ends of which support the side walls of the end plate, a grille is provided in the mounting groove, and the grille is movably connected to the support rod; a pulling rope, which is fixedly connected to the two ends of the support rod, and the pulling rope passes through and extends out of the top of the eye protection lamp body; a clothing rope fixer, which is movably sleeved on the upper end of the pulling rope and is close to the top of the eye protection lamp body.

[0006] Furthermore, the width of the oblong groove is greater than the diameter of the support rod.

[0007] Furthermore, the grille includes: a short reflective plate with through holes at both ends; a rotating plate with through holes and a slot at both ends respectively; a connecting slot is provided at the upper ends of the short reflective plate and the rotating plate, a long reflective plate is provided on the connecting slot, and the short reflective plate and the rotating plate are arranged in an interval manner in the mounting slot of the eye protection lamp body; the support rod in the long circular slot on one side passes through the through holes of the short reflective plate and the rotating plate, the through holes of the rotating plate are fixedly sleeved on the support rod, and the support rod in the long circular slot on the other side passes through the through holes of the short reflective plate and the slot of the rotating plate.

[0008] Furthermore, the gravity of the rotating plate itself is not sufficient to drive the support rod to rotate.

[0009] Furthermore, a shaking groove is provided in the through hole on one side of the short reflecting plate, shaking columns are equidistantly provided on the supporting rod, and the shaking columns are located in the shaking groove of the short reflecting plate.

[0010] Furthermore, the shaking groove is wavy.

[0011] Furthermore, the width of the mounting groove is greater than the width of the short reflective plate (402).

[0012] This application has the following beneficial effects:

[0013] 1. The present application provides an anti-glare structure of an LED blackboard eye protection lamp, which has elongated grooves on both sides of the eye protection lamp body, in which support rods are movably arranged, and a plurality of mounting grooves are equidistantly arranged on the side of the eye protection lamp body, the mounting grooves are connected to the elongated grooves, the short reflective plates of the grille are arranged in the mounting grooves, and the support rods pass through the through holes at both ends of the short reflective plates, and the two ends of the support rods are fixedly connected with pull ropes, the pull ropes pass through the top of the eye protection lamp body, and the pull ropes are provided with clothing rope fixers; when the grille cannot block direct light and needs to be adjusted, the clothing rope fixer is pressed and pulled to move in the axial direction of the pull rope, thereby adjusting the distance from the clothing rope fixer to the support rod, and after the adjustment is completed, the clothing rope fixer is placed on the top of the eye protection lamp body, and the support rod will automatically adjust its position in the elongated groove according to the length of the pull rope, thereby completing the adjustment of the distance from the grille to the LED lamp, so that the light emitted by the LED lamp can be reflected or refracted by the grille to prevent glare.

[0014] 2. The present application provides an anti-glare structure of an LED blackboard eye protection lamp, which divides the grille into a long reflective plate, a short reflective plate and a rotating plate. The short reflective plate and the short reflective plate are arranged in an installation groove at intervals, and the long reflective plate is arranged at the upper end of the short reflective plate and the rotating plate. The support rod on one side passes through the through holes of the short reflective plate and the rotating plate, and the support rod on the other side passes through the through holes of the short reflective plate and the rotating plate. The LED lamp will age and the intensity of the emitted light will weaken after the lamp is used for a long time. At this time, more grilles are no longer needed for reflection or refraction. You only need to pull the rotating plate to remove the slot of the rotating plate from the support rod, and make the rotating plate rotate around the support rod on the other side. The number of grilles can be reduced, thereby reducing the reflection or refraction of light by the grilles.

[0015] 3. The present application provides an anti-glare structure of an LED blackboard eye protection lamp, in which shaking columns are equidistantly arranged on a support rod on one side, and a shaking groove is opened in a through hole on one side of a short reflective plate, and the shaking column is arranged in the shaking groove; when the rotating plate is pulled to rotate, the rotating plate drives the support rod to rotate, thereby causing the shaking column on the support rod to rotate, and the shaking column slides in the shaking groove of the short reflective plate. Since the shaking groove is wavy, when the support rod drives the shaking column to rotate, since the support rod will not move axially, the short reflective plate will produce axial shifting, thereby causing the grille to vibrate and dust on the grille to fall off, thereby achieving the purpose of cleaning the grille. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which constitute a part of the specification, illustrate the embodiments disclosed in the present application and, together with the description, serve to explain the principles disclosed in the present application.

[0017] The present disclosure may be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model without the end plate;

[0020] Figure 3 This is a schematic diagram of the grille structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the short reflector of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the rotating plate and the supporting rod of the utility model.

[0023] In the figure: 1. Eye protection lamp body; 101. LED lamp; 102. Long round groove; 103. Mounting groove; 104. Support rod; 105. Pull rope; 106. Clothing rope fixer; 107. Shaking column; 2. End plate; 3. Mounting rod; 4. Grille; 401. Long reflective plate; 402. Short reflective plate; 403. Rotating plate; 404. Connecting groove; 405. Through hole; 406. Card slot; 407. Shaking groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] See also Figure 1-Figure 2 A glare-proof structure of an LED blackboard eye protection lamp comprises an eye protection lamp body 1, an end plate 2, a mounting rod 3 and a grille 4. The end plates 2 are fixedly mounted at both ends of the eye protection lamp body 1, the top of the eye protection lamp body 1 is fixedly mounted with symmetrically arranged mounting rods 3, the top of the inside of the eye protection lamp body 1 is fixedly mounted with an LED lamp 101, and a grille 4 is provided at the bottom end of the inner wall of the eye protection lamp body 1.

[0026] See also Figure 1-Figure 3 An oblong groove 102 is provided at the lower position of the side walls on both sides of the eye protection lamp body 1, and a plurality of mounting grooves 103 are equidistantly provided on the side walls on both sides of the eye protection lamp body 1, and the mounting grooves 103 are connected to the oblong grooves 102, and a support rod 104 is provided in the oblong groove 102, and the two ends of the support rod 104 support the side walls of the end plate 2, and a grille 4 is provided in the mounting groove 103, and the grille 4 is movably connected to the support rod 104, and a pulling rope 105 is fixedly connected to both ends of the support rod 104, and the pulling rope 105 passes through and extends out of the top of the eye protection lamp body 1, and a clothing rope fixing device 106 is movably sleeved on the upper end of the pulling rope 105, and the clothing rope fixing device 106 is close to the top of the eye protection lamp body 1.

[0027] The width of the oblong groove 102 is greater than the diameter of the support rod 104. This ensures that the support rod 104 can move in the oblong groove 102 without being subjected to a large friction force.

[0028] See also Figure 1-Figure 5The grille 4 includes a long reflective plate 401, a short reflective plate 402 and a rotating plate 403. Through holes 405 are provided at both ends of the short reflective plate 402. Through holes 405 and slots 406 are provided at both ends of the rotating plate 403. Connecting grooves 404 are provided at the upper ends of the short reflective plate 402 and the rotating plate 403. The short reflective plate 402 and the rotating plate 403 are arranged in an interval manner in the mounting groove 103 of the eye protection lamp body 1. The support rod 104 in the long circular groove 102 on one side penetrates through the support rod 104. The through hole 405 of the short reflective plate 402 and the rotating plate 403, and the through hole 405 of the rotating plate 403 are fixedly sleeved on the support rod 104, the support rod 104 in the long circular groove 102 on the other side passes through the through hole 405 of the short reflective plate 402 and the slot 406 of the rotating plate 403, the long reflective plate 401 is arranged in the connecting groove 404 of the short reflective plate 402 and the rotating plate 403, and the long reflective plate 401 is vertically arranged with the short reflective plate 402 or the rotating plate 403.

[0029] The gravity of the rotating plate 403 itself is not enough to drive the support rod 104 to rotate. Without external interference, the rotating plate 403 will be in the original state, the connecting groove 404 of the rotating plate 403 is provided with a long reflective plate 401, and the slot 406 of the rotating plate 403 is close to the support rod 104.

[0030] See also Figure 3-Figure 5 A shaking groove 407 is provided in the through hole 405 on one side of the short reflector 402 , and the shaking groove 407 is wavy. Shaking columns 107 are equidistantly provided on the support rod 104 , and the shaking columns 107 are located in the shaking groove 407 of the short reflector 402 .

[0031] The width of the mounting groove 103 is greater than the width of the short reflector 402. The shaking column 107 slides in the shaking groove 407, so that when the shaking groove 407 is moved, it is ensured that the short reflector 402 has sufficient displacement space.

[0032] The working principle of the utility model is as follows:

[0033] See also Figure 1-Figure 3When the grille 4 cannot block the direct light and needs to be adjusted, the clothing rope fixer 106 is pressed, and then the clothing rope fixer 106 is pulled to move in the axial direction of the pulling rope 105. If the position of the grille 4 needs to be lowered, the length of the pulling rope 105 at the upper end of the clothing rope fixer 106 is reduced. After the adjustment is completed, the clothing rope fixer 106 is placed on the top of the eye protection lamp body 1, and the support rod 104 will automatically adjust its position in the long circular groove 102 according to the length of the pulling rope 105. At this time, the support rod 104 will be in the long circular groove 10 2, so that the grille 4 refracts or reflects more light; if the position of the grille 4 needs to be raised, the length of the pull rope 105 at the upper end of the clothing rope fixing device 106 is increased. After the adjustment is completed, the clothing rope fixing device 106 is placed on the top of the eye protection lamp body 1, and the support rod 104 will automatically adjust its position in the long circular groove 102 according to the length of the pull rope 105. At this time, the support rod 104 will rise in the long circular groove 102, and more direct light can pass through the grille 4 without refraction or reflection, thereby increasing the intensity of the light. By adjusting the length of the pull rope 105, the distance between the grille 4 and the LED lamp 101 is adjusted, so that the light emitted by the LED lamp 101 can be reflected or refracted by the grille 4 to prevent glare.

[0034] See also Figure 1-Figure 4 After the lamp is used for a long time, the LED lamp 101 will age and the intensity of the emitted light will weaken. At this time, more grilles 4 are no longer needed for reflection or refraction. Just pull the end of the rotating plate 403 with the slot 406 to make the slot 406 of the rotating plate 403 fall off the support rod 104, and make the rotating plate 403 rotate around the through hole 405 on the rotating plate 403 until the rotating plate 403 is separated from the bottom end of the eye protection lamp body 1. The rotating plate 403 no longer refracts or reflects the light. At this time, the number of grilles 4 can be reduced, thereby reducing the reflection or refraction of light by the grilles 4.

[0035] See also Figure 1-Figure 5 When the rotating plate 403 is pulled to rotate around the support rod 104, since the through hole 405 of the rotating plate 403 is fixedly sleeved on the support rod 104, the rotating plate 403 will drive the support rod 104 to rotate, thereby causing the support rod 104 to drive the shaking column 107 on the support rod 104 to rotate, and the shaking column 107 will slide in the shaking groove 407 of the short reflection plate 402; since the shaking groove 407 is wavy, the support rod 104 supports the side wall of the end plate 2 and will not move axially. When the support rod 104 drives the shaking column 107 to rotate, the shaking column 107 will push the short reflection plate 402 to move, thereby causing the short reflection plate 402 to produce axial reciprocating movement, causing the entire grille 4 to produce a certain vibration, and the dust on the grille 4 is shaken off, thereby achieving the purpose of cleaning the grille 4.

Claims

1. An anti-glare structure of an LED blackboard eye protection lamp, comprising an eye protection lamp body (1), an LED lamp (101), an end plate (2), a mounting rod (3) and a grille (4), characterized in that: The eye protection lamp body (1) is provided with: Long circular grooves (102) are provided at lower positions of the side walls of both sides of the eye protection lamp body (1); The mounting grooves (103) are equidistantly arranged on the side walls of the eye protection lamp body (1) and are connected to the oblong grooves (102); A support rod (104) is arranged in the long circular groove (102), and its two ends support the side walls of the end plate (2); a grille (4) is arranged in the installation groove (103), and the grille (4) is movably connected to the support rod (104); A pulling rope (105) is fixedly connected to both ends of the support rod (104), and the pulling rope (105) passes through and extends out of the top end of the eye protection lamp body (1); The clothing rope fixing device (106) is movably mounted on the upper end of the pulling rope (105) and is closely attached to the top end of the eye protection lamp body (1).

2. The anti-glare structure of the LED blackboard eye protection lamp according to claim 1 is characterized in that: The width of the oblong groove (102) is greater than the diameter of the support rod (104).

3. The anti-glare structure of the LED blackboard eye protection lamp according to claim 1 is characterized in that: The grille (4) comprises: A short reflective plate (402) with through holes (405) at both ends; The rotating plate (403) has through holes (405) and slots (406) at both ends; The upper ends of the short reflective plate (402) and the rotating plate (403) are provided with a connecting groove (404), the connecting groove (404) is provided with a long reflective plate (401), and the short reflective plate (402) and the rotating plate (403) are arranged in a spaced manner in the mounting groove (103) of the eye protection lamp body (1); The support rod (104) in the long circular groove (102) on one side passes through the through hole (405) of the short reflective plate (402) and the rotating plate (403), and the through hole (405) of the rotating plate (403) is fixedly sleeved on the support rod (104), and the support rod (104) in the long circular groove (102) on the other side passes through the through hole (405) of the short reflective plate (402) and the slot (406) of the rotating plate (403).

4. The anti-glare structure of the LED blackboard eye protection lamp according to claim 3 is characterized in that: The gravity of the rotating plate (403) itself is not sufficient to drive the support rod (104) to rotate.

5. The anti-glare structure of the LED blackboard eye protection lamp according to claim 3 is characterized in that: A shaking groove (407) is provided in the through hole (405) on one side of the short reflection plate (402), and shaking columns (107) are equidistantly provided on the support rod (104), and the shaking columns (107) are located in the shaking groove (407) of the short reflection plate (402).

6. The anti-glare structure of the LED blackboard eye protection lamp according to claim 5, characterized in that: The shaking groove (407) is wavy.

7. The anti-glare structure of the LED blackboard eye protection lamp according to claim 5, characterized in that: The width of the installation groove (103) is greater than the width of the short reflection plate (402).

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