CN211551364U

CN211551364U - LED eyeshield blackboard lamp

Info

Publication number: CN211551364U
Application number: CN202020032856.8U
Authority: CN
Inventors: 谢兵
Original assignee: Zhongshan Senkang Zhizao Lighting Technology Co ltd
Current assignee: Zhongshan Senkang Zhizao Lighting Technology Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-09-22
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to a LED eye-protection blackboard lamp, which comprises a lamp shell and a hanger rod, and further comprises a circuit board, an LED, a lens and a diffusion plate; the LED is connected to the circuit board; a bulge part, an inclined part and a connecting part which are connected in sequence are arranged on one side of the lamp shell from top to bottom; the bulge part bulges outwards, and the inclined part inclines outwards along the upward direction; two opposite first limiting grooves are arranged on the inclined part, and two ends of the circuit board are matched with the first limiting grooves; two opposite second limiting grooves are formed in the two ends of the inclined part, the two ends of the lens are matched with the second limiting grooves, and the lens covers the circuit board; the protruding part and the connecting part are respectively provided with a third limiting groove which is opposite to each other, and two ends of the diffusion plate are matched with the third limiting grooves. The utility model discloses a LED eyeshield blackboard lamp illuminance degree of consistency is excellent, can reach the effect of eyeshield, and easily installs.

Description

LED eyeshield blackboard lamp

Technical Field

The utility model relates to the technical field of lamps and lanterns, concretely relates to LED eyeshield blackboard lamp.

Background

At present, most classrooms of schools in China adopt simple fluorescent lamps, and the lamps have the problems of substandard illumination, direct glare, stroboscopic effect, light shaking or light color partial cold and the like, so that the eyesight of students is easy to decline. Especially, for a blackboard lamp used in a classroom, the uneven illumination of light irradiated on a blackboard will affect the vision of students and teachers. In addition, the existing classroom lamp generally has the problem of inconvenient installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a LED eyeshield blackboard lamp, this LED eyeshield blackboard lamp illumination degree of consistency is excellent, can reach the effect of eyeshield, and this LED eyeshield classroom lamp easily installs.

In order to realize the purpose of the utility model, the utility model provides an LED eye-protection blackboard lamp, which comprises a lamp shell and a suspender, and the LED eye-protection blackboard lamp also comprises a circuit board, an LED, a lens and a diffusion plate; the LED is connected to the circuit board; a convex part, an inclined part and a connecting part which are connected in sequence are arranged on one side of the lamp shell from top to bottom; the convex part protrudes outwards, and the inclined part inclines outwards along the upward direction; two opposite first limiting grooves are formed in the inclined part, and two ends of the circuit board are matched with the first limiting grooves; two opposite second limiting grooves are formed in two ends of the inclined part, two ends of the lens are matched with the second limiting grooves, and the lens covers the circuit board; the protruding portion and the connecting portion are respectively provided with a third limiting groove, and two ends of the diffusion plate are matched with the third limiting grooves.

The further technical scheme is that the bottom surface of the circuit board is adjacent to the inclined part, and the diffusion plate is parallel to the inclined part.

The technical scheme is that clamping blocks are arranged at two ends of the lens and matched with the second limiting grooves. The main body of the lens protrudes outwards relative to the clamping block.

According to a further technical scheme, the LED eye-protecting blackboard lamp further comprises a power supply, a cavity is formed in the lamp housing, and the power supply is located in the cavity.

According to a further technical scheme, the LED eye-protecting blackboard lamp further comprises an end cover, and the end cover covers the shell, the circuit board, the lens and two sides of the diffusion plate.

The technical scheme is that the lamp is characterized in that a mounting hole is formed in the inner side of the lamp shell, a through hole is formed in the end cover, and the through hole is connected with the mounting hole through a fastening piece.

The lamp shell comprises a lamp shell body, a suspension rod and a clamping piece, wherein the top of the lamp shell body is provided with a mounting groove, the bottom of the suspension rod is connected with the first clamping block, and the first clamping block is clamped on the mounting groove.

The technical scheme is that the bottom end of the hanging rod is connected with a connecting piece, the tail end of the connecting piece is provided with two first clamping blocks, and the mounting groove is clamped between the two first clamping blocks.

The LED eye-protecting blackboard lamp further comprises a mounting bracket and a decorative cover; the top end of the hanger rod is connected with a second clamping block, the second clamping block clamps the decorative cover and the mounting bracket, and the decorative cover covers the mounting bracket.

The further technical scheme is that the mounting groove extends along the length direction of the shell; the first fixture block and the second fixture block are nuts; the connecting piece includes connecting axle and swivel mount, the connecting axle is connected the jib bottom, the swivel mount is connected first fixture block, the connecting axle with swivel mount ball connects.

Compared with the prior art, the utility model discloses can gain following beneficial effect:

the utility model discloses a LED eyeshield blackboard lamp adopts the LED light source, has light efficiency height, energy-concerving and environment-protective, long service life, maintenance cost low grade advantage. The utility model discloses still improve irradiant illuminance degree of consistency and prevent the glare through lens and diffuser plate, improved with the eye comfort level, effectively avoided the injury of blackboard lamp to student or mr eyesight. The utility model discloses a be equipped with a plurality of spacing grooves on the lamp body of blackboard lamp, be used for fixed circuit board, lens and diffuser plate respectively, it is visible the utility model discloses a classroom lamp simple to operate.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of an embodiment of the LED eye-protection blackboard lamp of the present invention at a first angle.

Fig. 2 is a schematic view of the three-dimensional structure of the embodiment of the LED eye-protecting blackboard lamp at the second angle.

Fig. 3 is an exploded view of the embodiment of the LED eye-protecting blackboard lamp of the present invention.

Fig. 4 is the utility model discloses complex structure sketch such as jib, connecting piece, first fixture block, second fixture block, dress trim cover and installing support in the embodiment of LED eyeshield blackboard lamp.

Fig. 5 is a schematic structural view of the lamp housing in the embodiment of the LED eye-protecting blackboard lamp of the present invention.

Fig. 6 is a structural schematic diagram of the lamp housing, the suspension rod, the power supply, the circuit board, the lens, the diffusion plate and the like in the embodiment of the LED eye-protecting blackboard lamp of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Detailed Description

As shown in fig. 1 to 6, the present embodiment provides an LED eye-protecting blackboard lamp, which includes a lamp housing 10, a suspension rod 20, a circuit board 30, an LED40, a lens 50, a diffusion plate 60, a power source 70, an end cover 80, a decorative cover 90 and a mounting bracket 100. Wherein, LED40 can be LED lamp pearl, preferably the colour temperature between 3300K to 5500K, the color rendering index is greater than 90 LED lamp pearl, and LED40 welds on circuit board 30, and circuit board 30 can be rectangular shape, and LED 40's figure is a plurality of, and a plurality of LED40 evenly arrange on circuit board 30.

The lamp housing 10 is provided with a protruding portion 11, an inclined portion 12 and a connecting portion 13 from top to bottom, the protruding portion 11 protrudes outward, and the inclined portion 12 inclines outward along an upward direction.

Be equipped with two relative first spacing grooves 14 on the rake 12, circuit board 30 both ends and the cooperation of first spacing groove 14 for circuit board 30 is positioned on rake 12, and specifically in this embodiment, circuit board 30 bottom surface is adjacent to rake 12, and the surface of circuit board 30 that is connected with LED40 is towards outside, and light can shine the blackboard after the blackboard lamp installation.

Two opposite second limiting grooves 15 are further formed in two ends of the inclined portion 12, two ends of the lens 50 are matched with the second limiting grooves 15, and the lens 50 covers the circuit board 30. Specifically, the two ends of the lens 50 are provided with clamping blocks 51, and the clamping blocks 51 are matched with the second limiting grooves 15. The body of the lens 50 may be outwardly convex with respect to the snap block 51 so that the lens 50 can be covered on the circuit board 30. The surface of the lens 50 facing the circuit board 30 may be serrated, so that the light passing through the lens 50 is dispersed more uniformly.

The protruding portion 11 and the connecting portion 13 are respectively provided with a third limiting groove 16, and two ends of the diffusion plate 60 are matched with the third limiting groove 16, so that the diffusion plate 60 is located outside the lens 50. The diffusion plate 60 is a plate member having a light diffusion function, and in the present embodiment, the diffusion plate 60 is parallel to the inclined portion 12 to better diffuse the light emitted from the LEDs 40 and passing through the lens 50.

The cavity 17 is formed in the lamp housing 10, and the power supply 70 is located in the cavity 17, so that the power supply 70 is prevented from being externally arranged, the power supply 70 is better protected, and the appearance attractiveness of the lamp is improved. The power source 70 is electrically connected to the LED 40. the power source 70 may also be connected to an external power supply circuit, for example, wiring may be routed through a hole in the hanger bar 20 to connect to an external circuit.

The inner side of the lamp housing 10 is provided with a mounting hole 18, and the end cover 80 is provided with a through hole 81, wherein the through hole 81 is connected with the mounting hole 18 through a fastener such as a screw. The end caps 80 cover both sides of the housing 10, the circuit board 30, the lens 50 and the diffusion plate 60, and play a role of sealing and protecting to prevent the circuit board 30, the lens 50 and the diffusion plate 60 from sliding out from the side.

The top of the lamp housing 10 is further provided with a mounting groove 19, and the mounting groove 19 extends along the length direction of the housing 10. The bottom of the suspension rod 20 is connected with a first block 21, and the first block 21 is blocked on the mounting groove 19. Specifically, the bottom end of the suspension rod 20 may be connected to a connecting member 22, two first blocks 21 are disposed at the end of the connecting member 22, and the mounting groove 19 is clamped between the two first blocks 21. The first clamping block 21 can be a nut, the nut is in threaded connection with the tail end of the connecting piece 22, and the tightness degree between the first clamping block 21 and the installation groove 19 can be adjusted by rotating the nut. First latch 21 may be latched into mounting groove 19 from the side of housing 10. The connecting piece 22 comprises a connecting shaft 23 and a rotary seat 24, the connecting shaft 23 is connected to the bottom end of the suspension rod 20, the rotary seat 24 is connected with a first clamping block 21, the connecting shaft 23 can be in ball joint with the rotary seat 24 and can rotate along one direction so as to adjust the direction of the lamp, the connecting shaft 23 and the rotary seat 24 are locked through a fixing piece such as a screw so as to fix the direction of the lamp, and the suspension rod 20 can swing when the lamp is installed or the connecting shaft 23 and the rotary seat 24 can rotate relatively so as to be convenient to install.

The top end of the hanger rod 20 is connected with a second block 25, the second block 25 blocks the decoration cover 90 and the mounting bracket 100, and the decoration cover 90 covers the mounting bracket 100. Specifically, the second block is a nut, and the nut is in threaded connection with the top end of the suspension rod 20. The top end of the hanger bar 20 may be stepped to abut against the lower ends of the decoration cover 90 and the mounting bracket 100, and the second catching block 25 may be caught at the upper ends of the decoration cover 90 and the mounting bracket 100. The decorative cover 90 may have a certain plasticity or elasticity, may have a certain deformation under the external force to facilitate the installation of the mounting bracket 100, and may automatically or externally restore its shape. In other embodiments, the number of the second blocks 25 may also be two, and the second block 25 located at the lower end may be disposed at the lower end of the decoration cover 90 so as to adjust the up-down position of the decoration cover 90, so that the decoration cover 90 can be covered on the installation bracket 100 after the installation bracket 100 is installed on the installation object. In the present embodiment, the mounting bracket 100 includes an engaging piece 101, a connecting piece 102 and a mounting piece 103, the mounting piece 103 is provided with a hole for mounting the mounting bracket 100 to a mounting object such as a ceiling by a screw fastener such as a screw, the connecting piece 102 connects the mounting piece 103 and the engaging piece 101, the connecting piece 102 is bent with respect to the engaging piece 101, the connecting piece 102 is provided with a snap-in hole 104 and a communicating hole 105, the engaging piece 101 is provided with a bayonet 106, the snap-in hole 104 communicates with the bayonet 106 through the communicating hole 105, the second fixture block 25 can pass through the snap-in hole 104, and the second fixture block 25 can be snapped on the communicating hole 105 and the bayonet. When the hanger rod 20 is assembled with the mounting bracket 100, the second engaging portion 25 at the end of the hanger rod 20 is inserted into the engaging hole 104 and moved to the engaging opening 106 through the communicating hole 105, and after the lamp is mounted, the hanger rod 20 is held by gravity to engage with the engaging opening 106 and cannot be separated from the engaging hole 104.

When the blackboard lamp of this embodiment is installed, the circuit board 30 welded with the LED40, the lens 50, the diffusion plate 60, the power supply 70, the end caps 80 for fixing the two ports of the lamp housing 10, the hanger rod 20, the installation bracket 100 fixed to the ceiling, and the decoration cover 90 covering the installation bracket 100 are installed on the lamp housing 10. Visibly, the utility model discloses a blackboard lamp simple to operate.

Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LED eyeshield blackboard lamp, includes lamp body and jib, its characterized in that:

the LED eye-protecting blackboard lamp also comprises a circuit board, an LED, a lens and a diffusion plate; the LED is connected to the circuit board;

a convex part, an inclined part and a connecting part which are connected in sequence are arranged on one side of the lamp shell from top to bottom; the convex part protrudes outwards, and the inclined part inclines outwards along the upward direction;

two opposite first limiting grooves are formed in the inclined part, and two ends of the circuit board are matched with the first limiting grooves; two opposite second limiting grooves are formed in two ends of the inclined part, two ends of the lens are matched with the second limiting grooves, and the lens covers the circuit board;

the protruding portion and the connecting portion are respectively provided with a third limiting groove, and two ends of the diffusion plate are matched with the third limiting grooves.

2. The LED eye-protecting blackboard lamp according to claim 1, characterized in that:

the circuit board bottom surface is adjacent to the inclined portion, and the diffusion plate is parallel to the inclined portion.

3. The LED eye-protecting blackboard lamp according to claim 1, characterized in that:

clamping blocks are arranged at two ends of the lens and matched with the second limiting grooves;

the main body of the lens protrudes outwards relative to the clamping block.

4. An LED eye-protecting blackboard lamp according to any one of claims 1 to 3, characterized in that:

the LED eye-protecting blackboard lamp further comprises a power supply, a cavity is formed in the lamp housing, and the power supply is located in the cavity.

5. An LED eye-protecting blackboard lamp according to any one of claims 1 to 3, characterized in that:

the LED eye-protecting blackboard lamp further comprises an end cover, and the end cover covers the two sides of the lamp housing, the circuit board, the lens and the diffusion plate.

6. The LED eye-protecting blackboard lamp according to claim 5, characterized in that:

the lamp is characterized in that a mounting hole is formed in the inner side of the lamp shell, a through hole is formed in the end cover, and the through hole is connected with the mounting hole through a fastening piece.

7. An LED eye-protecting blackboard lamp according to any one of claims 1 to 3, characterized in that:

the lamp body top still is equipped with the mounting groove, the jib bottom is connected with first fixture block, first fixture block card is in on the mounting groove.

8. The LED eye-protecting blackboard lamp according to claim 7, characterized in that:

the bottom end of the hanging rod is connected with a connecting piece, the tail end of the connecting piece is provided with two first clamping blocks, and the mounting groove is clamped between the two first clamping blocks.

9. The LED eye-protecting blackboard lamp according to claim 8, characterized in that:

the LED eye-protecting blackboard lamp also comprises a mounting bracket and a decorative cover;

the top end of the hanger rod is connected with a second clamping block, the second clamping block clamps the decorative cover and the mounting bracket, and the decorative cover covers the mounting bracket.

10. The LED eye-protecting blackboard lamp according to claim 9, characterized in that:

the mounting groove extends along the length direction of the lamp shell; the first fixture block and the second fixture block are nuts; the connecting piece includes connecting axle and swivel mount, the connecting axle is connected the jib bottom, the swivel mount is connected first fixture block, the connecting axle with swivel mount ball connects.