CN219775539U

CN219775539U - LED blackboard lamp

Info

Publication number: CN219775539U
Application number: CN202320611773.8U
Authority: CN
Inventors: 余双江; 曹琼; 尹卫成
Original assignee: Leishu Lighting Technology Shanghai Co ltd
Current assignee: Leishu Lighting Technology Shanghai Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-29
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses an LED blackboard lamp, which relates to the technical field of blackboard lamps, and particularly relates to an LED blackboard lamp, which comprises a first servo electric cylinder and a blackboard lamp shell, wherein an LED lamp source is arranged in the blackboard lamp shell, reflecting plates are arranged on the upper side and the lower side of the LED lamp source, a chute is formed in the inner wall of the blackboard lamp shell, a screw rod is movably sleeved in the chute, the top end of the screw rod is connected with a miniature servo motor, a lens is arranged at the front end of the LED lamp source, and a sliding block is connected to the side surface of the lens. This LED blackboard lamp through set up the lens at the front end of LED lamp source, and the lens can play the effect of spotlight, inwards collects the light that outwards diverges, can make more light shine on the blackboard, reduces extravagant, more energy-conserving, drives the lead screw through miniature servo motor and rotates, can make the slider move along the lead screw to adjust the illumination intensity of LED lamp source irradiation department, adapt to the illumination demand of blackboard under the different environment.

Description

LED blackboard lamp

Technical Field

The utility model relates to the technical field of blackboard lamps, in particular to an LED blackboard lamp.

Background

The blackboard lamp is a lamp for teaching illumination, and is usually arranged at an obliquely upper position of the blackboard, and light emitted by the blackboard lamp irradiates the blackboard, so that students can conveniently watch contents on the blackboard. Blackboard illumination is a key factor affecting classroom teaching quality, and good blackboard illumination should meet the following three requirements: firstly, the LED illuminating lamp has good illumination uniformity, and the students are prevented from being disturbed by glare; secondly, enough illumination is achieved, so that students can clearly see the words on the blackboard; and thirdly, uncomfortable glare of teachers caused by light generated by the blackboard lamp is avoided.

Patent publication number CN206846448U proposes a LED blackboard lamp, comprising a housing, a lens disposed on the inclined side of the housing and a light source board provided with a LED light source, the lens comprising a light incident surface at the top and a light emergent surface at the bottom, the light incident surface being a collimation TIR optical surface protruding toward the light source board, the light emergent surface being an optical microstructure array curved surface, the polarized light irradiation of the LED blackboard lamp being realized by reasonable lens design, so that the blackboard lamp is mounted between a teacher standing position and the blackboard lamp, and uniform light emission, energy saving and environmental protection are realized; because the blackboard lamp is installed between teacher position and blackboard, avoided the blackboard lamp to shine the teacher, can not feel dazzling because of the LED blackboard lamp when making the teacher give lessons, this structure is when using, and the position of light source front end lens is fixed, and the illumination intensity that shines out is also fixed, can not satisfy the different illumination demands of weak illumination environment and no illumination environment, and this blackboard lamp is fixed on the support simultaneously, is inconvenient for adjusting the backplate. For this purpose we provide an LED blackboard lamp.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an LED blackboard lamp which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a LED blackboard lamp, includes first servo electric jar, blackboard lamp casing, the internally mounted of blackboard lamp casing has the LED lamp source, the upper and lower both sides of LED lamp source are provided with the reflector panel, the spout has been seted up on the inner wall of blackboard lamp casing, the inside activity of spout has cup jointed the lead screw, the top of lead screw is connected with miniature servo motor, the front end of LED lamp source is provided with the lens, the side of lens is connected with the slider, the slider screw thread cup joints the outside at the lead screw.

Optionally, the bottom of first servo electric jar output shaft is connected with the fixed block, the bottom of fixed block is connected with the connecting rod, the back of blackboard lamp casing is connected with two crossbars frame, the bottom of connecting rod is in the same place with the activity of the horizontal pole frame of lower part.

Optionally, a second servo electric cylinder is movably sleeved on the side surface of the fixed block, and the bottom of the output shaft of the second servo electric cylinder is movably sleeved with the cross rod frame on the upper part.

Optionally, the number of the reflecting plates is two, the reflecting plates are symmetrically distributed on two sides of the LED lamp source, and the reflecting plates incline at an angle of 45 degrees.

Optionally, the fixed block is a linear fresnel lens, and the lens is disposed parallel to the LED light source.

Optionally, the lead screw is about lens symmetric distribution, the slider joint is in the inside of spout.

Optionally, a glass shell is installed at the front end of the first servo electric cylinder, and the glass shell is in an arc-shaped structure.

The utility model provides an LED blackboard lamp, which has the following beneficial effects:

1. this LED blackboard lamp, through set up the lens at the front end of LED lamp source, the lens can play the effect of spotlight, inwards collect the light that outwards diverges, can make more light shine on the blackboard, reduce extravagant, more energy-conserving, drive the lead screw through miniature servo motor and rotate, can make the slider move along the lead screw, thereby adjust the interval between lens and the LED lamp source, thereby adjust the illumination intensity of LED lamp source irradiation department, adapt to the illumination demand of blackboard under the different environment.

2. This LED blackboard lamp, through setting up the reflector panel, the reflector panel can reflect light, refracts the light that sends the side with the LED lamp source to forward the transmission, is favorable to the collection of light, improves illumination luminance, reduces energy consumption, through setting up the servo electric jar of second, promotes blackboard lamp casing and reciprocates, can make blackboard lamp casing rotate to adjust the angle of shining, avoid directly shining the teacher, prevent mr's eyestrain.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another angle of the present utility model;

FIG. 3 is a schematic cross-sectional view of a blackboard lamp housing of the present utility model;

FIG. 4 is a schematic diagram of an LED light source according to the present utility model;

fig. 5 is a schematic structural view of the lens of the present utility model.

In the figure: 1. a first servo cylinder; 2. a fixed block; 3. a connecting rod; 4. a second servo cylinder; 5. a cross bar frame; 6. a blackboard lamp housing; 7. an LED light source; 8. a light reflecting plate; 9. a chute; 10. a miniature servo motor; 11. a screw rod; 12. a lens; 13. a slide block; 14. and a glass shell.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 2, the present utility model provides a technical solution: the utility model provides a LED blackboard lamp, including first servo electric jar 1, blackboard lamp casing 6, the bottom of first servo electric jar 1 output shaft is connected with fixed block 2, the bottom of fixed block 2 is connected with connecting rod 3, through setting up first servo electric jar 1, first servo electric jar 1 can drive connecting rod 3 and reciprocate, can adjust the height of blackboard lamp casing 6, make the alignment blackboard that blackboard lamp casing 6 can be better, the back of blackboard lamp casing 6 is connected with two horizontal pole frames 5, the bottom of connecting rod 3 cup joints together with the horizontal pole frame 5 activity of lower part, the side activity of fixed block 2 cup joints second servo electric jar 4, the bottom of second servo electric jar 4 output shaft cup joints together with the horizontal pole frame 5 activity of upper portion, through setting up second servo electric jar 4, utilize second servo electric jar 4 to promote blackboard lamp casing 6 reciprocate, can make blackboard lamp casing 6 rotate, thereby adjust the angle of shining, avoid directly shining the teacher, prevent that the eyes from tired.

Referring to fig. 3 to 4, an LED light source 7 is installed in the blackboard light housing 6, reflecting plates 8 are disposed on the upper and lower sides of the LED light source 7, two reflecting plates 8 are symmetrically disposed on two sides of the LED light source 7, the reflecting plates 8 are capable of reflecting light rays, refracting the light rays emitted from the LED light source 7 to the side face to be emitted forward, light rays are collected, illumination brightness is improved, energy consumption is reduced, the reflecting plates 8 are inclined at an angle of 45 degrees, a chute 9 is formed in the inner wall of the blackboard light housing 6, a screw rod 11 is movably sleeved in the chute 9, the top end of the screw rod 11 is connected with a micro servo motor 10, and the micro servo motor 10 is arranged to drive the screw rod 11 to rotate, so that a sliding block 13 can move along the screw rod 11, and the distance between a lens 12 and the LED light source 7 is adjusted.

Referring to fig. 3 and 5, the front end of the LED light source 7 is provided with a lens 12, the fixing block 2 is a linear fresnel lens, the lens 12 is placed in parallel with the LED light source 7, the lens 12 can collect light which diverges outwards and inwardly, more light can be irradiated onto a blackboard, waste and energy are reduced, the side surface of the lens 12 is connected with a sliding block 13, the sliding block 13 is in threaded connection with the outer portion of the screw rod 11, the screw rod 11 is symmetrically distributed about the lens 12, the illumination intensity of the irradiation position of the LED light source 7 is adjusted by adjusting the interval between the lens 12 and the LED light source 7, the illumination requirements of the blackboard under different environments are met, the sliding block 13 is clamped inside the sliding groove 9, the glass shell 14 is installed at the front end of the first servo electric cylinder 1, and the glass shell 14 is in an arc-shaped structure.

In sum, when the LED blackboard lamp is used, the blackboard lamp shell 6 is pushed to rotate through the second servo electric cylinder 4, the irradiation angle of the LED lamp source 7 is adjusted, light rays are reflected through the reflecting plate 8, the light rays are emitted forwards, the lead screw 11 is driven to rotate through the micro servo motor 10, the sliding block 13 is enabled to move along the lead screw 11, the distance between the lens 12 and the LED lamp source 7 is adjusted, and the illumination intensity is adjusted.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a LED blackboard lamp, includes first servo jar (1), blackboard lamp casing (6), its characterized in that: internally mounted of blackboard lamp casing (6) has LED lamp source (7), the upper and lower both sides of LED lamp source (7) are provided with reflector panel (8), spout (9) have been seted up on the inner wall of blackboard lamp casing (6), lead screw (11) have been cup jointed in the inside activity of spout (9), the top of lead screw (11) is connected with miniature servo motor (10), the front end of LED lamp source (7) is provided with lens (12), the side of lens (12) is connected with slider (13), slider (13) screw thread cup joint in the outside of lead screw (11).

2. An LED blackboard lamp according to claim 1, characterized in that: the bottom of first servo electric jar (1) output shaft is connected with fixed block (2), the bottom of fixed block (2) is connected with connecting rod (3), the back of blackboard lamp casing (6) is connected with two horizontal pole frames (5), the bottom of connecting rod (3) is in the same place with horizontal pole frame (5) activity cup joint of lower part.

3. An LED blackboard lamp according to claim 2, characterized in that: the side face of the fixed block (2) is movably sleeved with a second servo electric cylinder (4), and the bottom of an output shaft of the second servo electric cylinder (4) is movably sleeved with a cross rod frame (5) at the upper part.

4. An LED blackboard lamp according to claim 1, characterized in that: the number of the reflecting plates (8) is two, the reflecting plates are symmetrically distributed on two sides of the LED lamp source (7), and the reflecting plates (8) incline at an angle of 45 degrees.

5. An LED blackboard lamp according to claim 2, characterized in that: the fixed block (2) is a linear Fresnel lens, and the lens (12) and the LED lamp source (7) are arranged in parallel.

6. An LED blackboard lamp according to claim 1, characterized in that: the lead screws (11) are symmetrically distributed about the lens (12), and the sliding blocks (13) are clamped in the sliding grooves (9).

7. An LED blackboard lamp according to claim 1, characterized in that: glass shell (14) is installed to the front end of first servo electric jar (1), glass shell (14) are the arc structure.