CN214222898U

CN214222898U - Blackboard lighting lamp

Info

Publication number: CN214222898U
Application number: CN202120474443.XU
Authority: CN
Inventors: 陈龙; 袁浩; 沙文健; 乔红红; 陈仁国
Original assignee: Jiangsu Huazhao Energy Saving Service Co ltd
Current assignee: Jiangsu Huazhao Energy Saving Service Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-09-17
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a blackboard illuminating lamp, which comprises a spot lamp holder, a LED lamp and a lampshade; the spotlight holder comprises a hanging rod, a back plate and a rectangular convex surface, wherein the upper part of the hanging rod is vertical, and the lower part of the hanging rod is bent towards one side and is connected with the back plate; the rectangular convex surface is provided with uniformly distributed lamp holes and dense air holes, and the joint of the back plate and the hanging rod is provided with an LED driving power supply; the LED lamp includes flexible circuit board and adorns the LED lamp pearl on it, flexible circuit board is fixed in the rectangle convex surface, LED lamp pearl passes the lamp hole, there is the screw lower extreme on the rectangle convex surface, the lamp shade passes through the bolt and adorns on the rectangle convex surface, rectangle convex surface both sides have by the refracting surface that the backplate extends, there is intensive gas pocket on the lamp shade, and the internal surface covers and has the membrane of preventing blue light, the utility model discloses good heat dissipation, long service life, loading and unloading are convenient, can prevent blue light protection eyesight to a certain extent, have technical progress in this field.

Description

Blackboard lighting lamp

Technical Field

The utility model discloses LED lamps and lanterns field especially relates to a ceiling lamp for blackboard illumination.

Background

The LED lamp is an electroluminescent semiconductor material chip, solidify the support with silver glue or white glue, then connect chip and circuit board with silver-colored line or gold thread, it is sealed with epoxy all around, play the effect of the inside heart yearn of protection, install the shell at last, so the anti-seismic performance of LED lamp is good, be applied to in the life, the LED lamps and lanterns have energy-conserving advantage, but if the heat dissipation is not good can shorten the life-span by a wide margin, and long-time use can be because of the blue light impaired eyesight, especially should focus on this point to the lamp for the classroom.

Disclosure of Invention

In order to solve the above problem, the utility model designs a blackboard light, its structure includes: a spot light holder, an LED lamp and a lampshade; the spotlight holder comprises a hanging rod, a back plate and a rectangular convex surface, wherein the upper part of the hanging rod is vertical, and the lower part of the hanging rod is bent towards one side and is connected with the back plate; the rectangular convex surface is provided with uniformly distributed lamp holes and dense air holes, and the joint of the back plate and the hanging rod is provided with an LED driving power supply; the LED lamp comprises a flexible circuit board and LED lamp beads arranged on the flexible circuit board, the flexible circuit board is fixed in the rectangular convex surface, the LED lamp beads penetrate through the lamp holes, screw holes are formed in the upper end and the lower end of the rectangular convex surface, the lampshade is arranged on the rectangular convex surface through bolts, refraction surfaces extending out of the back plate are arranged on two sides of the rectangular convex surface, dense air holes are formed in the lampshade, and a blue-light-proof film covers the inner surface of the lampshade; the LED driving power supply is electrically connected with the flexible circuit board.

Preferably, the LED lamp beads are connected in parallel through a circuit on the flexible circuit board.

Preferably, the rectangular convex surface is made of ceramic, and the outer surface of the rectangular convex surface is glazed, so that the heat conductivity and the glossiness are good.

Preferably, the included angle between the upper part and the lower part of the suspender is 100-135 degrees.

Preferably, the aperture of the air hole is 2mm-5mm, so that mosquitoes are prevented from entering the air hole while air is circulated.

Preferably, an annular ring is arranged on the lower periphery of the LED lamp bead, the diameter of the annular ring is larger than the aperture of the lamp hole, axial through holes are uniformly distributed in the inner ring of the annular ring, and the design is more beneficial to heat dissipation of the lamp bead.

Preferably, the included angle of the intersection of the rectangular convex surface and the refraction surface is 90-135 degrees.

The utility model discloses all design rectangle convex surface, lamp shade, lamp pearl has the hole of ventilating, and the radiating effect is good, and the lamp shade endotheca has the anti-blue membrane, can strain partial blue light, and protection eyesight is applicable to the long-time illumination of blackboard, has technical progress in this field.

Drawings

Fig. 1 is a schematic view of a first viewing angle of the present invention.

Fig. 2 is a schematic view of a second viewing angle of the present invention.

Fig. 3 is a schematic view of a lamp bead structure.

Detailed Description

Example 1

As shown in fig. 1-3, the utility model discloses a blackboard lighting lamp, its structure includes: a spot light holder, an LED lamp and a lampshade; the reflector lamp holder comprises a hanger rod 11, a back plate 1 and a rectangular convex surface 3, wherein the upper part of the hanger rod 11 is vertical, and the lower part of the hanger rod is bent towards one side and is connected with the back plate 1; the rectangular convex surface 3 is provided with uniformly distributed lamp holes 4 and dense air holes 6, and the joint of the back plate 1 and the hanger rod 11 is provided with an LED driving power supply 2; the LED lamp comprises a flexible circuit board and LED lamp beads 5 arranged on the flexible circuit board, the flexible circuit board is fixed in the rectangular convex surface 3, the LED lamp beads 5 penetrate through the lamp holes 4, screw holes are formed in the upper end and the lower end of the rectangular convex surface 3, the lamp shade is arranged on the rectangular convex surface 3 through bolts, refraction surfaces extending out of the back plate 1 are arranged on two sides of the rectangular convex surface 3, dense air holes are formed in the lamp shade, and a blue-light-proof film is covered on the inner surface of the lamp shade; the LED driving power supply 2 is electrically connected with the flexible circuit board.

More specifically, the circuit on the flexible circuit board makes the LED lamp beads 5 be connected in parallel.

More specifically, the rectangular convex surface 3 is made of ceramic, and the outer surface of the rectangular convex surface is glazed, so that the heat conductivity and the glossiness are good.

More specifically, the angle between the upper part and the lower part of the suspension rod 11 is 116.57 degrees.

More specifically, the aperture of the air hole 6 is 2mm-5mm, so that mosquitoes can be prevented from entering the air hole while air is circulated.

More specifically, LED lamp pearl 5 encloses down and has annular ring 10, annular ring 10 diameter is greater than 4 apertures of lamp hole, annular ring 10 inner circle evenly distributed has axial through-hole 8, and this design more does benefit to 5 heat dissipations of lamp pearl.

More specifically, the intersection of the rectangular convex surface and the refraction surface forms an included angle of 90-135 °

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

Claims

1. A blackboard light which is characterized in that: the structure includes: a spot light holder, an LED lamp and a lampshade; the spotlight holder comprises a hanging rod, a back plate and a rectangular convex surface, wherein the upper part of the hanging rod is vertical, and the lower part of the hanging rod is bent towards one side and is connected with the back plate; the rectangular convex surface is provided with uniformly distributed lamp holes and dense air holes, and the joint of the back plate and the hanging rod is provided with an LED driving power supply; the LED lamp comprises a flexible circuit board and LED lamp beads arranged on the flexible circuit board, the flexible circuit board is fixed in the rectangular convex surface, the LED lamp beads penetrate through the lamp holes, screw holes are formed in the upper end and the lower end of the rectangular convex surface, the lampshade is arranged on the rectangular convex surface through bolts, refraction surfaces extending out of the back plate are arranged on two sides of the rectangular convex surface, dense air holes are formed in the lampshade, and a blue-light-proof film covers the inner surface of the lampshade; the LED driving power supply is electrically connected with the flexible circuit board.

2. The blackboard illumination lamp according to claim 1, characterized in that: and the LED lamp beads are connected in parallel by the circuit on the flexible circuit board.

3. The blackboard illumination lamp according to claim 2, characterized in that: the rectangular convex surface is made of ceramic, and the outer surface of the rectangular convex surface is glazed.

4. The blackboard illumination lamp according to claim 3, characterized in that: the included angle between the upper part and the lower part of the suspender is 100-135 degrees.

5. The blackboard illumination lamp according to claim 4, characterized in that: the pore diameter of the air holes is 2mm-5 mm.

6. The blackboard illumination lamp according to claim 5, characterized in that: an annular ring is arranged on the lower periphery of the LED lamp bead, the diameter of the annular ring is larger than the aperture of the lamp hole, and axial through holes are uniformly distributed in the inner ring of the annular ring.

7. The blackboard illumination lamp according to claim 6, characterized in that: the included angle of the intersection of the rectangular convex surface and the refraction surface is 90-135 degrees.