CN213394974U

CN213394974U - Polygon anti-dazzle grid classroom lamp

Info

Publication number: CN213394974U
Application number: CN202022957728.7U
Authority: CN
Inventors: 何启鹏; 夏文友
Original assignee: Hubei Qishiming Technology Co ltd
Current assignee: Hubei Qishiming Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-06-08
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a polygonal anti-dazzle grid classroom lamp, which relates to the technical field of LED illumination, and comprises a classroom lamp body, a suspender, a fixing seat and a polygonal anti-dazzle grid, wherein the top of the classroom lamp body is provided with two pairs of LED patch light sources, the bottoms of the LED patch light sources are arranged on an aluminum substrate, the aluminum substrate is fixedly arranged on the back of the top of the classroom lamp body, the shell of the classroom lamp body adopts a semitransparent plastic lamp body shell, the bottom of the classroom lamp body is fixedly provided with a diffusion plate, the polygonal anti-dazzle grid is additionally arranged at the bottom of the diffusion plate, the LED light sources transmit the anti-dazzle grid with uniform and high light efficiency, the glare of the lamp is effectively reduced, the light-emitting efficiency is improved, the light distribution curve of the lamp is not influenced, meanwhile, a certain light is reflected to the periphery by adopting a certain plastic lamp body, and adopt polygon geometry optical grating structure, the glare value in the classroom is effectively reduced to the whole.

Description

Polygon anti-dazzle grid classroom lamp

Technical Field

The utility model relates to a LED lighting technology field specifically is an anti-dazzle grid classroom lamp of polygon.

Background

The lamps used in the teaching places in China have undergone the development process from incandescent lamps, fluorescent lamps to LED lamps and the like, and with the high attention of the society to the eyesight health of teenagers, various classroom lamps are in good condition and bad classroom lamps can cause various problems such as glare, stroboflash, insufficient illumination and the like and influence teaching activities and the eyesight of students.

With the increasing popularization and application of LED light sources, some LED classroom lamps are designed with devices such as grilles, for example, a classroom lamp with patent number 201620538170.X, the classroom lamp employs a vertical grid, the classroom lamp with patent number 201921079577.0 also employs a vertical grid, the grid has a small light exit, the light exit efficiency is low, and the light distribution curve coming out through the grid is narrow.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an anti-dazzle grid classroom lamp of polygon improves classroom lamp grid pane and reduces the problem of light-emitting efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: including classroom lamp body, jib, fixing base and polygon anti-dazzle grid, the top fixed mounting of classroom lamp body has a pair of fixing base, and the jib is installed at the top of fixing base, and jib fixed mounting is on the classroom roof, and the top of classroom lamp body is provided with two pairs of LED paster light sources simultaneously, and the bottom of LED paster light source is installed on aluminium base board, and aluminium base board fixed mounting is at the top back of classroom lamp body, the shell of classroom lamp body adopts translucent plastic lamp body shell, and the bottom fixed mounting of classroom lamp body has the diffuser plate simultaneously to the bottom of diffuser plate is put additional the polygon anti-dazzle grid.

As a further aspect of the present invention: the light outlet directions of the polygonal anti-dazzle grids are mutually crossed, namely the light outlet directions of the first layer and the second layer are crossed, and the like.

As a further aspect of the present invention: the bottom of jib has been seted up logical groove, and the inside slidable mounting that leads to the groove has the traveller, and the mounting groove has been seted up at the top of fixing base simultaneously, and the diameter of mounting groove is the same with the diameter of jib to set up the through-hole in the right side wall of mounting groove, slidable mounting has the ejector pin in the through-hole, and the right-hand member of ejector pin stretches out in the through-hole, and wherein the extension end fixed mounting of ejector pin has the curb plate, and a lateral wall fixed mounting that the curb plate is close to the fixing base has taut spring.

As a further aspect of the present invention: a groove is formed in the left side wall of the mounting groove, the groove and the through hole are symmetrically arranged, and a return spring is fixedly mounted in the side wall of the groove.

As a further aspect of the present invention: a limiting groove is formed in the top wall of the through groove, a limiting block is fixedly mounted on the top wall of the sliding column, and the limiting block is slidably mounted in the limiting groove.

As a further aspect of the present invention: the left side wall and the right side wall of the hanging rod are fixedly provided with sliding blocks, the left side wall and the right side wall of the mounting groove are provided with a pair of sliding grooves, and the sliding grooves correspond to the sliding blocks in size.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of classroom lamp adopts the design of polygon geometry optics anti-dazzle grid, when effectively reducing the glare of lamps and lanterns self, improve luminous efficiency and do not influence the grading curve of lamps and lanterns, adopt certain light transmissivity plastics lamp body shell simultaneously, to certain light of peripheral reflection, reduce classroom light and shade difference, and adopt polygon geometry optics grid structure, change the perpendicular little square grid structure of tradition, polygon anti-dazzle grid places in the diffuser plate outside, the diffuser plate receives LED light source light and evenly derives polygon anti-dazzle grid with light, polygon grid and geometry emergent light, the glare value in classroom is effectively reduced to the totality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the polygonal antiglare grid of the present invention.

Fig. 3 is a schematic view of the structure of the light outlet of the polygonal anti-dazzle grid of the present invention.

Fig. 4 is a schematic view of the transparent state of the present invention.

Fig. 5 is a schematic view of the internal structure of the suspension rod of the present invention.

Fig. 6 is a schematic view of the installation of the boom of the present invention.

Fig. 7 is a light distribution curve of the present invention.

As shown in the figure: 1. the classroom lamp comprises a classroom lamp body, 101, a suspender, 102, a fixed seat, 103, an LED patch light source, 104, a shell, 105, a diffusion plate, 106, a polygonal anti-dazzle grid, 107, a light outlet, 108, LED light source light rays, 109, luminous light rays, 110, upward light rays, 111, four-side radiation light rays, 2, a mounting groove, 3, a jacking spring, 4, a through groove, 5, a sliding column, 6, a limiting block, 7, a limiting groove, 8, a sliding block, 9, a through hole, 10, a push rod, 11, a side plate, 12, a tensioning spring, 13, a groove, 14, a reset spring, 15 and a sliding groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, in an embodiment of the present invention, a classroom lamp with polygonal anti-dazzle grille includes a classroom lamp body 1, a suspension rod 101, a fixing base 102 and a polygonal anti-dazzle grille 106, the top of the classroom lamp body 1 is fixedly provided with a pair of fixed seats 102, the top of the fixed seat 102 is provided with a hanging rod 101, the hanging rod 101 is fixedly arranged on the roof of a classroom, meanwhile, the top of the classroom lamp body 1 is provided with two pairs of LED patch light sources 103, the bottoms of the LED patch light sources 103 are arranged on an aluminum substrate, the aluminum substrate is fixedly arranged on the back of the top of the classroom lamp body 1, the housing 104 of the classroom lamp body 1 is made of semitransparent plastic lamp body, and the bottom of the classroom lamp body 1 is fixedly provided with a diffusion plate 105, and a polygonal anti-glare grid 106 is added to the bottom of the diffusion plate 105, and the LED light source transmits light to the anti-glare grid uniformly and with high light efficiency, and reflects a small portion of the light to the lamp body housing.

The light outlet 107 directions of the polygonal anti-dazzle grid 106 are crossed, namely the light outlet 107 directions of the first layer and the second layer are crossed, and the process is analogized in sequence, so that the phenomenon that the light distribution curve of a lamp is narrowed due to the traditional vertical small square is avoided, the traditional vertical small square grid structure is changed, the polygonal anti-dazzle grid is placed outside the diffusion plate, the diffusion plate receives primary light of the LED light source and uniformly guides the light to the polygonal anti-dazzle grid, the polygonal grid and the emergent light of the geometric structure.

Referring to fig. 4, the light emitting process of the present invention is: LED light source light 108 emits light downwards in the lamp cavity, after the diffusion plate 105 receives the light source light, most of the light is mainly transmitted to the polygonal anti-dazzle grid 106 and generates luminous light 109, meanwhile, a small part of the light is reflected by the diffusion plate 105 and is transmitted out of the upper emission light 110 through the top of the lamp shell, and the light reflected by the diffusion plate 105 is transmitted to the periphery of the inner cavity of the lamp body shell, so that the light 111 is radiated to the periphery of the lamp body shell, and the light and shade difference between a classroom ceiling, a space and the luminous lamp is reduced.

Meanwhile, according to a unified glare value UGR formula:

in formula (1): lb is classroom background brightness; w is the solid angle formed by each luminaire luminous part and the observer's eye; la: brightness of the lamp in the direction of the eyes of an observer; p is the location coefficient (fixed) of the luminaire in the classroom.

According to the formula (1), the polygonal anti-dazzle grille classroom lamp has the advantages that the La glare brightness is reduced, the lamp body of the lamp is full-luminous, the classroom brightness is improved, the classroom background brightness Lb is improved, and therefore the classroom glare value UGR is reduced generally.

Referring to fig. 7, it can be seen from the graph that the light distribution curve of the polygonal anti-dazzle grid classroom lamp is not narrowed, but is widened to a certain extent, which means that the irradiation range of the polygonal anti-dazzle grid classroom lamp is wider than that of the conventional vertical grid.

Wherein, the bottom of the suspender 101 is provided with a through groove 4, the inside of the through groove 4 is slidably provided with a sliding column 5, the top of the fixing seat 102 is provided with a mounting groove 2, the diameter of the mounting groove 2 is the same as that of the suspender 101, the right side wall of the mounting groove 2 is provided with a through hole 9, the through hole 9 is slidably provided with a mandril 10, the right end of the mandril 10 extends out of the through hole 9, the extending end of the mandril 10 is fixedly provided with a side plate 11, one side wall of the side plate 11 close to the fixing seat 102 is fixedly provided with a tension spring 12, the other end of the tension spring 12 is fixedly arranged on the side wall of the fixing seat 102, when the suspender 101 is inserted into the mounting groove 2, the mandril 10 is inserted into the through groove 4 under the action of the tension spring 12 to complete the fixing of the suspender 101, the bottom of the mounting groove, the mandril 10 is drawn out of the groove 13, the suspension rod 101 is jacked up from the mounting groove 2 under the action of the jacking spring 3, the classroom lamp body 1 can be drawn out from the bottom of the suspension rod 101, and the classroom lamp body 1 is more convenient to mount and dismount.

Wherein, set up recess 13 in the left side wall of mounting groove 2, recess 13 and through-hole 9 mutual symmetry set up to fixed mounting has reset spring 12 in the lateral wall of recess 13, and when ejector pin 10 inserted logical inslot 4, in traveller 5 inserted recess 13, cooperation ejector pin 10 carried out the joint support to jib 101, and is more firm to classroom lamp body 1's connection.

Preferably, limiting groove 7 has been seted up on the roof that leads to groove 4 to fixed mounting has stopper 6 on the roof of traveller 5, and stopper 6 slidable mounting is at limiting groove 7, and it is spacing to assist traveller 5 through stopper 6, avoids traveller 5 from leading to inslot 4 roll-off.

Preferably, the slider 8 is fixedly mounted on the left side wall and the right side wall of the suspender 101, the pair of sliding grooves 15 are formed in the left side wall and the right side wall of the mounting groove 2, the sliding grooves 15 and the slider 8 correspond to each other in size, and when the suspender 101 is inserted into the mounting groove 2, the suspender 101 is positioned and mounted through the slider 8, so that the fixing base 102 can fix the suspender 101 conveniently.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.

Claims

1. The utility model provides a polygon anti-dazzle grid classroom lamp, includes classroom lamp body (1), jib (101), fixing base (102) and polygon anti-dazzle grid (106), its characterized in that: the classroom lamp comprises a classroom lamp body (1), wherein a pair of fixing seats (102) are fixedly mounted at the top of the classroom lamp body (1), a hanging rod (101) is mounted at the top of the fixing seats (102), the hanging rod (101) is fixedly mounted on the roof of a classroom, two pairs of LED patch light sources (103) are arranged at the top of the classroom lamp body (1), the bottoms of the LED patch light sources (103) are mounted on an aluminum substrate, the aluminum substrate is fixedly mounted at the back of the top of the classroom lamp body (1), a shell (104) of the classroom lamp body (1) adopts a semitransparent plastic lamp body shell, a diffusion plate (105) is fixedly mounted at the bottom of the classroom lamp body (1), and a polygonal anti-dazzle grid (106) is additionally arranged at.

2. The polygonal anti-dazzle grid classroom lamp of claim 1, wherein: the directions of the light outlets (107) of the polygonal anti-dazzle grille (106) are crossed with each other, namely the directions of the light outlets (107) of the first layer and the second layer are crossed, and the like.

3. The polygonal anti-dazzle grid classroom lamp of claim 1, wherein: logical groove (4) have been seted up to the bottom of jib (101), the inside slidable mounting who leads to groove (4) has traveller (5), mounting groove (2) have been seted up at the top of fixing base (102) simultaneously, the diameter of mounting groove (2) is the same with the diameter of jib (101), and through-hole (9) have been seted up in the right side wall of mounting groove (2), slidable mounting has ejector pin (10) in through-hole (9), the right-hand member of ejector pin (10) stretches out from through-hole (9), wherein stretch out end fixed mounting that stretches out of ejector pin (10) has curb plate (11), curb plate (11) are close to a lateral wall fixed mounting of fixing base (102) and have taut spring (12), the other end fixed mounting of taut spring (12) is on the.

4. The polygonal anti-dazzle grid classroom lamp of claim 3, wherein: a groove (13) is formed in the left side wall of the mounting groove (2), the groove (13) and the through hole (9) are symmetrically arranged, and a return spring (14) is fixedly mounted in the side wall of the groove (13).

5. The polygonal anti-dazzle grid classroom lamp of claim 3, wherein: the limiting groove (7) is formed in the top wall of the through groove (4), the limiting block (6) is fixedly mounted on the top wall of the sliding column (5), and the limiting block (6) is slidably mounted in the limiting groove (7).

6. The polygonal anti-dazzle grid classroom lamp of claim 3, wherein: the left side wall and the right side wall of the hanging rod (101) are fixedly provided with sliding blocks (8), the left side wall and the right side wall of the mounting groove (2) are provided with a pair of sliding grooves (15), and the sliding grooves (15) and the sliding blocks (8) correspond to each other in size.