CN215722711U

CN215722711U - Classroom lamp with self-adaptive heat dissipation structure

Info

Publication number: CN215722711U
Application number: CN202120587230.8U
Authority: CN
Inventors: 张远征; 孟祥彬
Original assignee: Anhui Mingjiahui Wisdom Education Technology Co ltd
Current assignee: Anhui Zhongfei Xirang Data Technology Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2022-02-01
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a classroom lamp with a self-adaptive heat dissipation structure, which comprises a lamp panel, wherein a lampshade is arranged at the top of the lamp panel, a light-passing plate is arranged at the bottom of the lamp panel, a light source is arranged in the lampshade, heat dissipation holes are formed in the top of the lampshade, a rotating plate is rotatably connected to the inner wall of each heat dissipation hole, the rotating plate is connected with a gear through a rotating shaft, and the gear is meshed with a rack. The LED lamp has a simple structure, after the LED lamp works for a long time, the LED lamp emits heat, the heat is transmitted through the heat absorbing fins, so that the temperature in the heat conducting box is quickly raised, the telescopic air bag is heated and expanded to drive the rack to move, the rack is meshed with the gear to drive the rotating plate to rotate, the gap between the rotating plate and the heat dissipation holes is increased, the heat can be quickly dissipated, the temperature in the heat conducting box is reduced, the LED lamp is ensured to be in a proper working temperature environment, and when the temperature of the heat conducting box is lower, the rotating plate covers the heat dissipation holes, so that external dust can be prevented from entering the heat conducting box, and the service life of the heat conducting box is prolonged.

Description

Classroom lamp with self-adaptive heat dissipation structure

Technical Field

The utility model relates to the technical field of classroom lamps, in particular to a classroom lamp with a self-adaptive heat dissipation structure.

Background

The classroom lamp basically adopts an LED lamp which generates heat during operation, and the quantity of the heat depends on the overall luminous efficiency. Under the action of electric energy, electrons and holes are radiated and combined to generate electroluminescence, and photons radiated near a P-N junction can reach the outside only through a semiconductor medium and a packaging medium of the chip. Calculating the current injection efficiency, the radiant luminous quantum efficiency, the chip external light extraction efficiency and the like in a combined mode, finally converting only 30-40% of input electric energy into optical energy, and converting the rest 60-70% of energy into heat energy mainly in a lattice vibration mode generated by non-radiative combination; because lamps and lanterns can produce the heat when using, need to its heat dissipation, if directly install components and parts in the outside can solve the heat dissipation problem, nevertheless collect dust easily on the components and parts, influence its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a classroom lamp with an adaptive heat dissipation structure.

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

the utility model provides a classroom lamp with self-adaptation heat radiation structure, includes the lamp plate, and the lamp shade is installed at the lamp plate top, and the light-passing board is installed to the lamp plate bottom, lamp shade internally mounted has the light source, and the louvre has been seted up at the top of lamp shade, and the louvre inner wall rotates and is connected with the commentaries on classics board, changes the board and is connected with the gear through the pivot, and gear engagement has the rack, and rack sliding connection is at heat conduction box, and heat conduction box installs at the lamp shade inner wall, and the rack sets up in pairs and symmetry, and two racks are located the inside one end of heat conduction box and pass through flexible gasbag connection, and the rack passes through spring coupling at heat conduction box inner wall.

Preferably, the light source comprises an LED lamp arranged on the inner wall of the lampshade, a light homogenizing plate is arranged on one side, away from the heat conducting box, of the LED lamp, and the light homogenizing plate is arranged on the inner wall of the lampshade.

Preferably, a heat absorbing fin is installed on one side of the heat conducting box close to the LED lamp.

Preferably, the inner wall of the heat conduction box is uniformly distributed with heat dissipation bulges.

Preferably, the rotating plate is strip-shaped, and the rotating plates positioned on the same side of the heat conduction box are arranged in parallel.

Compared with the prior art, the utility model has the beneficial effects that: the LED lamp has a simple structure, after the LED lamp works for a long time, the LED lamp emits heat, the heat is transmitted through the heat absorbing fins, so that the temperature in the heat conducting box is quickly raised, the telescopic air bag is heated and expanded to drive the rack to move, the rack is meshed with the gear to drive the rotating plate to rotate, the gap between the rotating plate and the heat dissipation holes is increased, the heat can be quickly dissipated, the temperature in the heat conducting box is reduced, the LED lamp is ensured to be in a proper working temperature environment, and when the temperature of the heat conducting box is lower, the rotating plate covers the heat dissipation holes, so that external dust can be prevented from entering the heat conducting box, and the service life of the heat conducting box is prolonged.

Drawings

FIG. 1 is a schematic structural diagram according to the present invention;

fig. 2 is a schematic view of the internal structure of fig. 1.

In the figure: the LED lamp comprises a light-transmitting plate 1, a lamp panel 2, a lampshade 3, a rotating plate 4, a light homogenizing plate 5, an LED lamp 6, a gear 7, a rack 8, a heat conducting box 9, a telescopic air bag 10, a heat absorbing fin 11 and a spring 12.

Detailed Description

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

Referring to fig. 1-2, a classroom lamp with self-adaptation heat radiation structure, including lamp plate 2, lamp shade 3 is installed at 2 tops of lamp plate, light-passing board 1 is installed to 2 bottoms of lamp plate, 3 internally mounted of lamp shade have a light source, the louvre has been seted up at the top of lamp shade 3, the louvre inner wall rotates and is connected with commentaries on classics board 4, commentaries on classics board 4 is connected with gear 7 through the pivot, gear 7 meshes has rack 8, rack 8 sliding connection is at heat conduction box 9, heat conduction box 9 is installed at the 3 inner walls of lamp shade, rack 8 sets up to and the symmetry, two rack 8 are located the inside one end of heat conduction box 9 and connect through flexible gasbag 10, rack 8 passes through spring 12 and connects at heat conduction box 9 inner walls.

Wherein, the light source is including installing the LED lamp 6 at 3 inner walls of lamp shade, and one side that heat conduction box 9 was kept away from to LED lamp 6 is equipped with even worn-out fur 5, and even worn-out fur 5 is installed at 3 inner walls of lamp shade, and even worn-out fur 5 guarantees that luminance is even with the even dispersion of light that LED lamp 6 sent.

Heat absorbing fins 11 are installed to one side of heat conduction box 9 near LED lamp 6, absorb the heat that LED lamp 6 sent fast, and the inner wall evenly distributed of heat conduction box 9 has the heat dissipation arch, and the protruding increase of heat dissipation and air area of contact transmit the heat for flexible gasbag 10 fast, change board 4 and be rectangular form, and be located the 4 parallel arrangement of commentaries on classics board of heat conduction box 9 homonymy.

In the present case, after LED lamp 6 worked for a long time, LED lamp 6 sent out the heat, the heat passes through the transmission of heat absorption fin 11, make temperature rise fast in the heat conduction box 9, flexible gasbag 10 is heated the inflation this moment, it removes to drive rack 8, rack 8 and gear 7 meshing, it rotates to drive commentaries on classics board 4, change the clearance increase between board 4 and the louvre, can dispel the heat fast, make the temperature in the heat conduction box 9 reduce, thereby guarantee that LED lamp 6 is in suitable operating temperature environment, and when heat conduction box 9 temperature is lower, change board 4 and cover the louvre, can avoid external dust to get into in it, improve its life.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a classroom lamp with self-adaptation heat radiation structure, includes lamp plate (2), lamp plate (2) top is installed lamp shade (3), and light-passing board (1) are installed to lamp plate (2) bottom, a serial communication port, lamp shade (3) internally mounted has the light source, and the louvre has been seted up at the top of lamp shade (3), and the louvre inner wall rotates to be connected with and changes board (4), changes board (4) and is connected with gear (7) through the pivot, and gear (7) meshing has rack (8), and rack (8) sliding connection is at heat conduction box (9), and install at lamp shade (3) inner wall heat conduction box (9), and rack (8) are in pairs and the symmetry setting, and two rack (8) are located the inside one end of heat conduction box (9) and connect through flexible gasbag (10), and rack (8) are connected at heat conduction box (9) inner wall through spring (12).

2. The classroom lamp with the self-adaptive heat dissipation structure as recited in claim 1, wherein the light source comprises an LED lamp (6) mounted on the inner wall of the lampshade (3), a light homogenizing plate (5) is arranged on one side of the LED lamp (6) far away from the heat conduction box (9), and the light homogenizing plate (5) is mounted on the inner wall of the lampshade (3).

3. Classroom lamp with adaptive heat dissipation structure according to claim 2, characterized in that the heat conducting box (9) is provided with heat absorbing fins (11) on the side near the LED lamp (6).

4. Classroom lamp with adaptive heat dissipation structure according to claim 3, characterized in that the heat dissipation protrusions are evenly distributed on the inner wall of the heat conduction box (9).

5. A classroom lamp with adaptive heat dissipation structure as recited in claim 4, wherein the rotating plate (4) is elongated, and the rotating plates (4) on the same side of the heat conduction box (9) are arranged in parallel.