CN214369530U

CN214369530U - LED self-adaptive dimming classroom lamp

Info

Publication number: CN214369530U
Application number: CN202023000242.0U
Authority: CN
Inventors: 卢海平
Original assignee: Shanghai Quality Industrial Development Co ltd
Current assignee: Shanghai Quality Industrial Development Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-10-08
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a LED self-adaptation dimming classroom lamp, including the mounting panel, the lateral wall is equipped with the mounting groove under the mounting panel, four lamp stands of mounting groove inner wall fixedly connected with, four the relative lateral wall of lamp stand is equipped with two fluorescent tubes, the mounting panel lateral wall is equipped with the adjustment mechanism who is used for adjusting fluorescent tube luminance, adjustment mechanism is including setting up the chamber of placing at the mounting panel lateral wall, place intracavity bottom fixedly connected with riser. The utility model discloses can adjust light brightness according to the bright degree in classroom and students 'demand, the student of being convenient for sees the characters on the blackboard clearly, has protected students' eyesight, can also blow off the dust on the fluorescent tube, prevents that the dust gathering from influencing the fluorescent tube heat dissipation, has guaranteed the life of the inside spare part of fluorescent tube, and then has prolonged the life of fluorescent tube.

Description

LED self-adaptive dimming classroom lamp

Technical Field

The utility model relates to a LED lamp technical field especially relates to LED self-adaptation light modulation classroom lamp.

Background

The electric light is the necessary lighting apparatus in people's daily exceedence, can send the light at night and in the darker place of light, and people's the life and the work of being convenient for in the school, can also set up some electric lights usually for the aspect student can be at normal class and study night.

Present classroom lamp, it is certain to open back bright intensity, can not adjust the luminance of lamp according to student and mr's demand, and light that is too strong can make the reflection of light on the blackboard, lets the student see the word on the blackboard unclear to influence student's study, light too dark can make the student can't see the word on the books clearly, still can cause adverse effect to student's eyesight, in order to solve above-mentioned problem, need design LED self-adaptation dimming classroom lamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and providing a LED self-adaptive dimming classroom lamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

LED self-adaptation light-modulation classroom lamp, including the mounting panel, the lateral wall is equipped with the mounting groove under the mounting panel, four lamp stands of mounting groove inner wall fixedly connected with, four the relative lateral wall of lamp stand is equipped with two fluorescent tubes, the mounting panel lateral wall is equipped with the adjustment mechanism who is used for adjusting fluorescent tube luminance, adjustment mechanism is including setting up the chamber of placing at the mounting panel lateral wall, place intracavity bottom fixedly connected with riser, the lateral wall fixedly connected with motor of riser, the reciprocal lead screw of output shaft fixedly connected with of motor, place intracavity wall fixedly connected with resistance stick, reciprocal lead screw lateral wall threaded connection has the movable plate, the movable plate lateral wall runs through and is equipped with the through-hole, place intracavity bottom fixedly connected with power.

Preferably, the inner wall of the placing cavity is fixedly connected with an air bag, the moving plate is in contact with the side wall of the air bag, the side wall of the mounting plate is provided with an air cavity, the air cavity is communicated with the air bag through an air duct, and the bottom in the air cavity is communicated with a plurality of air outlets.

Preferably, the plurality of exhaust ports are respectively located right above the two light tubes.

Preferably, the inner wall of the placing cavity is fixedly connected with a limiting rod, and the limiting rod penetrates through the side wall of the moving plate.

Preferably, the side wall of the limit rod is fixedly connected with a limit ring, and the caliber of the limit ring is larger than the caliber of the penetrating position of the limit rod and the moving plate.

Preferably, the resistance rod is attached to the inner wall of the through opening, and the moving plate is made of conductive metal.

The utility model discloses in have following beneficial effect:

1. the device drives the reciprocating screw rod to rotate by starting the motor so as to drive the movable plate to move and drive the through hole to move, adjusts the brightness of the lamp tube by adjusting the length of the access circuit of the resistance rod, can adjust the light brightness according to the brightness degree of a classroom and the requirements of students, is convenient for the students to see characters on the blackboard clearly and protects the eyesight of the students;

2. this device removes through the movable plate to the extrusion gasbag, the air in the gasbag enters into the air chamber along the air duct, discharges from the gas vent again, can blow off the dust on the fluorescent tube, prevents that the dust gathering from influencing the fluorescent tube heat dissipation, has guaranteed the life of the inside spare part of fluorescent tube, and then has prolonged the life of fluorescent tube.

Drawings

Fig. 1 is a schematic structural diagram of an LED adaptive dimming classroom lamp provided by the present invention;

fig. 2 is a sectional view of the LED adaptive dimming classroom lamp according to the present invention from a-a direction.

In the figure: the device comprises a mounting plate 1, a mounting groove 2, a lamp holder 3, a lamp tube 4, a placing cavity 5, a power supply 6, a vertical plate 7, a reciprocating screw rod 8, a resistance rod 9, a moving plate 10, a through hole 11, an air bag 12, an air guide tube 13, an air cavity 14, an air outlet 15, a limiting rod 16 and a motor 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the LED adaptive dimming classroom lamp includes a mounting plate 1, a mounting groove 2 is formed in a lower side wall of the mounting plate 1, four lamp sockets 3 are fixedly connected to an inner wall of the mounting groove 2, and two lamp tubes 4 are arranged on opposite side walls of the four lamp sockets 3.

The side wall of the mounting plate 1 is provided with an adjusting mechanism for adjusting the brightness of the lamp tube 4, the adjusting mechanism comprises a placing cavity 5 arranged on the side wall of the mounting plate 1, the bottom in the placing cavity 5 is fixedly connected with a vertical plate 7, the side wall of the vertical plate 7 is fixedly connected with a motor 17, the output shaft of the motor 17 is fixedly connected with a reciprocating lead screw 8, the inner wall of the placing cavity 5 is fixedly connected with a resistance rod 9, the side wall of the reciprocating lead screw 8 is in threaded connection with a movable plate 10, the inner wall of the placing cavity 5 is fixedly connected with a limiting rod 16, the limiting rod 16 penetrates through the side wall of the movable plate 10 to ensure that the movable plate 10 can only move, the side wall of the limiting rod 16 is fixedly connected with a limiting ring, the caliber of the limiting ring is larger than the caliber of the penetrating position of the limiting rod 16 and the movable plate 10, the movable plate 10 is prevented from moving out of the resistance rod 9, the movable plate 10 is made of conductive metal, the side wall of the movable plate 10 is provided with a penetrating port 11, the resistance rod 9 is attached to the inner wall of the penetrating port 11, when the power supply 6 is communicated, a closed circuit is formed, the power supply 6, the resistance rod 9 and the moving plate 10 form a closed circuit, and the power supply 6, the resistance rod 9 and the moving plate 10 are connected through conducting wires in pairs, which is the prior art and is not described herein in detail.

Place 5 inner walls fixedly connected with gasbags 12 in chamber, movable plate 10 and the contact of 12 lateral walls of gasbags, the mounting panel 1 lateral wall is equipped with air cavity 14, and air cavity 14 passes through air duct 13 and 12 intercommunications of gasbags, and the bottom intercommunication is equipped with a plurality of gas vents 15 in air cavity 14, and a plurality of gas vents 15 are located two fluorescent tubes 4 directly over respectively, can blow off the dust of lateral wall on the fluorescent tube 4 when guaranteeing to exhaust.

When the brightness of the lamp tube 4 needs to be adjusted, the power supply 6 is turned on, the motor 17 is started, the reciprocating screw 8 is rotated, so that the moving plate 10 is driven to move, when the moving plate 10 gradually moves rightwards, the length of the access circuit of the resistance rod 9 is increased, so that the resistance of the access circuit of the resistance rod 9 is increased, the current flowing through the lamp tube 4 is reduced, and the brightness of the lamp tube 4 is weakened, otherwise, when the moving plate 10 moves leftwards, the brightness of the lamp tube 4 is strengthened.

When the moving plate 10 moves rightwards, the moving plate 10 presses the air bag 12, air in the air bag 12 enters the air cavity 14 along the air guide pipe 13 and is blown out from the air outlet 15, dust on the lamp tube 4 can be blown off, and the phenomenon that the dust is accumulated on the upper surface of the lamp tube 4 to influence the heat dissipation effect of the lamp tube 4 is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

The LED self-adaptive dimming classroom lamp comprises a mounting plate (1) and is characterized in that a mounting groove (2) is formed in the side wall of the mounting plate (1), four lamp holders (3) are fixedly connected to the inner wall of the mounting groove (2), two lamp tubes (4) are arranged on the opposite side walls of the four lamp holders (3), an adjusting mechanism used for adjusting the brightness of the lamp tubes (4) is arranged on the side wall of the mounting plate (1), the adjusting mechanism comprises a placing cavity (5) arranged on the side wall of the mounting plate (1), a vertical plate (7) is fixedly connected to the bottom of the placing cavity (5), a motor (17) is fixedly connected to the side wall of the vertical plate (7), a reciprocating lead screw (8) is fixedly connected to an output shaft of the motor (17), a resistance rod (9) is fixedly connected to the inner wall of the placing cavity (5), and a movable plate (10) is in threaded connection with the side wall of the reciprocating lead screw (8), the side wall of the moving plate (10) is provided with a through hole (11) in a penetrating mode, and the bottom of the placing cavity (5) is fixedly connected with a power supply (6).
2. The LED self-adaptive dimming classroom lamp according to claim 1, wherein an air bag (12) is fixedly connected to the inner wall of the placement cavity (5), the moving plate (10) is in contact with the side wall of the air bag (12), an air cavity (14) is formed in the side wall of the mounting plate (1), the air cavity (14) is communicated with the air bag (12) through an air duct (13), and a plurality of exhaust ports (15) are formed in the bottom of the air cavity (14) in a communicating manner.
3. The LED adaptive dimming classroom lamp according to claim 2, wherein a plurality of exhaust ports (15) are respectively located directly above two lamps (4).
4. The LED adaptive dimming classroom lamp according to claim 2, wherein a limiting rod (16) is fixedly connected to the inner wall of the placement cavity (5), and the limiting rod (16) penetrates through the side wall of the movable plate (10).
5. The LED adaptive dimming classroom lamp according to claim 4, wherein a limit ring is fixedly connected to the side wall of the limit rod (16), and the caliber of the limit ring is larger than that of the penetration position of the limit rod (16) and the movable plate (10).
6. The LED adaptive dimming classroom lamp according to claim 5, wherein the resistive bar (9) is attached to the inner wall of the through opening (11), and the moving plate (10) is made of conductive metal.