CN210398445U - LED writing board lamp - Google Patents

Abstract

The utility model discloses a LED writing board lamp, which comprises a shell cover and end covers arranged at two ends of the shell cover, wherein the shell cover and the end covers are enclosed into a closed shell cavity, the middle part of the shell cavity is provided with a partition board along the axial direction of the shell cavity, and the partition board divides the shell cavity into a luminous component cavity and a control element cavity; the light-emitting component intracavity is equipped with light source strip and lens board, the bottom in light source strip can be dismantled with the inner wall in light-emitting component chamber and be connected, the lens board is connected in the top of light source strip, the lower terminal surface of lens board is equipped with the light-concentrating groove of opening towards light source strip, the up end of lens board is the inclined plane, and the inclined plane deviates from and puts the control element chamber, the clamshell part that the inclined plane corresponds is the printing opacity casing. Have rational in infrastructure, energy-conserving high-efficient, can be with light towards certain orientation and jet out to the realization is to the orientation of clipboard shine, what avoid causes dazzling to other personnel, helps the effect of eyeshield.

Description

LED writing board lamp

Technical Field

The utility model relates to a light technical field especially relates to a LED clipboard lamp.

Background

The classroom writing board illumination aims to provide a good visual light environment and ensure that teachers and students can easily write and read contents on the writing board. In the prior art, a fluorescent lamp tube is usually installed at the front edge of the writing board to be used as the writing board lamp.

The current common writing board lamp structure is composed of a fluorescent lamp tube, a rectifier, a lamp shell and a lamp holder. The lamp is designed in such a way that the fluorescent lamp tube is completely exposed, the lamp emits light in a non-directional manner, and glaring glare is generated to eyes when the lamp works normally. The light emitted from the writing board lamp usually irradiates the writing board with light by the refraction of the reflector, so that the brightness on the writing board is uniform, an ideal range value is reached, and the vision is not influenced by the glare of students.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED clipboard lamp rational in infrastructure, that can directionally shine the clipboard.

The utility model adopts the technical proposal that: an LED writing board lamp comprises a shell and end covers arranged at two ends of the shell, wherein the shell and the end covers enclose a closed shell cavity, a partition plate is arranged in the middle of the shell cavity along the axial direction of the shell cavity, and the shell cavity is divided into a light-emitting component cavity and a control element cavity by the partition plate;

the light-emitting component is characterized in that a light source strip and a lens plate are arranged in the light-emitting component cavity, the bottom of the light source strip is detachably connected with the inner wall of the light-emitting component cavity, the lens plate is connected above the light source strip, the lower end face of the lens plate is provided with a light gathering groove with an opening facing the light source strip, the upper end face of the lens plate is an inclined plane, the inclined plane is opposite to the control element cavity, and the shell cover part corresponding to the inclined plane is a light-transmitting shell.

Further optimize, the clamshell is formed by the concatenation of printing opacity casing and light-tight casing, the printing opacity casing corresponds the top that sets up at the light-emitting component chamber, the concatenation face of light-tight casing is equipped with first concave type draw-in groove along the axial of light-tight casing, the concatenation face of printing opacity casing corresponds with first concave type draw-in groove and is equipped with first protruding type bayonet lock.

Further optimization, the upper surface of the light-tight shell is provided with raised grains.

Further optimize, the lower surface of clamshell is equipped with the concave groove, concave groove sets up along the clamshell axis.

Further preferably, the bottom of the concave groove is provided with two hanging holes, and the two hanging holes are respectively arranged close to two ends of the concave groove.

Further optimize, the light source strip includes aluminium base board and the LED lamp pearl of establishing on aluminium base board at even interval.

Preferably, a second concave clamping groove is formed in the bottom of the light emitting component cavity along the axial direction of the light emitting component cavity, the opening of the second concave clamping groove faces upwards, a connecting plate extending downwards is arranged on the lower surface of the aluminum substrate, and a second convex clamping pin is arranged at the end of the connecting plate corresponding to the second concave clamping groove.

Preferably, a plurality of clamping slot holes are formed in two sides of the upper surface of the aluminum substrate at intervals, and a plurality of clamping pins corresponding to the clamping slot holes are arranged in the two sides of the lens plate in a downward extending manner.

Preferably, the top of the shell cover is an arched surface.

The utility model has the advantages that: the utility model discloses a shell cavity of clamshell includes light-emitting component chamber and control element chamber, set up light-emitting component and other electrical components respectively in light-emitting component chamber and control element chamber, avoid other electrical components and light-emitting component setting in same chamber, cause the influence to light-emitting component's light, the light that the light source strip sent gathers through the light-concentrating trough, it is extravagant to avoid the energy that the non-directional scattering of light caused, improve energy-conserving effect, the play plain noodles of lens has certain angle of inclination, can be with the directional effluvium of light towards certain direction, thereby realize the directional irradiation to the clipboard, what avoid causes dazzling to other personnel.

Drawings

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

Fig. 1 is a schematic view of the overall structure of an embodiment of the LED writing board lamp of the present invention;

fig. 2 is an exploded view of the LED tablet light of the present invention;

fig. 3 is a schematic diagram of an explosion structure of an embodiment of the LED writing board lamp of the present invention;

fig. 4 is a schematic view of the mounting structure of the light source bar and the lens plate.

Detailed Description

The LED tablet lamp shown in fig. 1 to 3 includes a housing 100 and end caps 200 disposed at two ends of the housing 100, the housing 100 and the end caps 200 enclose a closed housing 300, a partition plate 400 is disposed in the middle of the housing 300 along the axial direction of the housing 300, and the partition plate 400 partitions the housing 300 into a light emitting assembly cavity 310 and a control element cavity 320;

the housing cavity 300 of the housing 100 includes a light emitting module cavity 310 and a control component cavity 320, and the light emitting module and other electrical components are respectively disposed in the light emitting module cavity 310 and the control component cavity 320, so as to prevent the other electrical components and the light emitting module from being disposed in the same cavity and affecting the light of the light emitting module.

The light emitting component cavity 310 is internally provided with a light source bar 510 and a lens plate 520, the bottom of the light source bar 510 is detachably connected with the inner wall of the light emitting component cavity 310, the lens plate 520 is connected above the light source bar 510, the lower end surface of the lens plate 520 is provided with a light gathering groove 521 with an opening facing the light source bar 510, the upper end surface of the lens plate 520 is an inclined surface, the inclined surface deviates from the control component cavity 320, and the part of the shell cover 100 corresponding to the inclined surface is a light-transmitting shell.

The light source strips 510 are converged by the light-converging grooves 521 and then emitted from the upper end surface of the lens plate 520, the upper end surface of the lens plate 520 is an inclined surface with a certain inclination angle, the emitted light can be refracted at a certain angle and emitted in a certain direction, and finally passes through the housing 100 to be emitted, so that the directional irradiation of the writing board is realized, and the phenomenon that people at other positions are dizzy is avoided. The upper end surface of the lens plate 520 is an inclined surface, and the inclination angle is adjusted according to actual requirements to meet the irradiation angle.

The housing 100 is formed by splicing a transparent housing 110 and an opaque housing 120, the transparent housing 110 is correspondingly disposed above the light emitting module cavity 310, a first concave slot 121 is disposed on a splicing surface of the opaque housing 120 along an axial direction of the opaque housing 120, and a first convex bayonet 111 is disposed on the splicing surface of the transparent housing 110 and the first concave slot 121 correspondingly.

The portion of the housing 100 above the light-emitting module chamber 310 is a light-transmissive housing 110 for transmitting light, and the portion of the housing 100 above the control device chamber 320 is a light-opaque housing 120 for preventing residual light from scattering in other directions, so as to better orient the light. When assembling the LED tablet lamp, after the light source bar 510 and the lens plate 520 are assembled in the light-emitting assembly cavity 310, the light-transmitting housing 110 and the light-proof housing 120 are assembled together by the first female engaging groove 121 and the first male engaging groove 111. When the light source bar 510 and the lens plate 520 need to be repaired, the light-transmitting housing 110 and the light-proof housing 120 can be detached for the convenience of repair.

The lower surface of the housing 100 is provided with a concave groove 122, and the concave groove 122 is disposed along the central axis of the housing 100. The commutator is fixed to the housing 100 by the concave groove 122.

Two hanging holes 600 are formed in the bottom of the concave groove 122, and the two hanging holes 600 are respectively arranged close to two ends of the concave groove 122. One end of the link is connected to the hanging hole 600 and the other end is connected to the wall body, thereby hanging the LED writing board lamp.

The raised grains 700 are formed on the upper surface of the light-tight casing 120, so that the heat dissipation area can be increased, and the aesthetic property of the lamp shade 100 can be improved.

The light source strip 510 comprises an aluminum substrate 511 and LED lamp beads uniformly arranged on the aluminum substrate 511 at intervals. The LED lamp has the characteristics of low energy consumption and long service life, has small volume, and can be freely designed on the aluminum substrate 511, thereby ensuring the uniformity of light emission.

The bottom in light-emitting component chamber 310 is equipped with the concave type draw-in groove 311 of second along the axial in light-emitting component chamber 310, and the opening of the concave type draw-in groove 311 of second up, and the lower surface of aluminium base board 511 is equipped with downwardly extending's connecting plate 512, and the tip of connecting plate 512 corresponds the concave type draw-in groove 311 of second and is equipped with the protruding bayonet lock of second 513.

The aluminum substrate 511 is connected to the light emitting module cavity 310 by the second male bayonet 513 on the end of the connecting plate 512 being clamped to the second female bayonet 311.

A plurality of slot holes 514 are arranged at intervals on two sides of the upper surface of the aluminum substrate 511, and a plurality of pins 522 corresponding to the slot holes 514 are arranged on two sides of the lens plate 520 in a downward extending manner. The lens plate 520 is snapped into the card slot hole 514 by the card pin 522, thereby connecting the lens plate 520 to the aluminum substrate 511.

The top of the housing 100 is an arcuate surface. The design of the arched surface has beautiful structure and easy processing, and the design of the part of the light-transmitting shell 110 in the arched shape has the scattering function, so that the transmitted light is uniformly scattered on the surface of the writing board.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (9)

1. An LED writing board lamp, its characterized in that: the LED lamp comprises a shell (100) and end covers (200) arranged at two ends of the shell (100), wherein the shell (100) and the end covers (200) are enclosed to form a closed shell cavity (300), a partition plate (400) is arranged in the middle of the shell cavity (300) along the axial direction of the shell cavity (300), and the shell cavity (300) is divided into a light-emitting component cavity (310) and a control element cavity (320) by the partition plate (400);

be equipped with light source strip (510) and lens board (520) in light-emitting component chamber (310), the bottom of light source strip (510) can be dismantled with the inner wall in light-emitting component chamber (310) and be connected, the top at light source strip (510) is connected in lens board (520), the lower terminal surface of lens board (520) is equipped with light-gathering groove (521) of opening towards light source strip (510), the up end of lens board (520) is the inclined plane, just the inclined plane is relative control element chamber (320) sets up dorsad, the clamshell (100) part that the inclined plane corresponds is the printing opacity casing.

2. The LED tablet lamp of claim 1, wherein: the light-transmitting shell is characterized in that the shell cover (100) is formed by splicing a light-transmitting shell (110) and a light-tight shell (120), the light-transmitting shell (110) is correspondingly arranged above the light-emitting component cavity (310), a first concave clamping groove (121) is formed in the splicing surface of the light-tight shell (120) along the axial direction of the light-tight shell (120), and a first convex clamping pin (111) is correspondingly arranged on the splicing surface of the light-transmitting shell (110) and the first concave clamping groove (121).

3. The LED tablet lamp of claim 2, wherein: the upper surface of the light-tight shell (120) is provided with raised grains (700).

4. The LED tablet lamp of any one of claims 1 to 3, wherein: the lower surface of shell cover (100) is equipped with concave groove (122), concave groove (122) set up along shell cover (100) axis.

5. The LED tablet lamp of claim 4, wherein: the bottom of the concave groove (122) is provided with two lifting holes (600), and the two lifting holes (600) are respectively arranged near the two ends of the concave groove (122).

6. The LED tablet lamp of any one of claims 1 to 3, wherein: the light source strip (510) comprises an aluminum substrate (511) and LED lamp beads uniformly arranged on the aluminum substrate (511) at intervals.

7. The LED tablet lamp of claim 6, wherein: the bottom in light-emitting component chamber (310) is equipped with second concave type draw-in groove (311) along the axial in light-emitting component chamber (310), the opening of second concave type draw-in groove (311) up, the lower surface of aluminium base board (511) is equipped with downwardly extending's connecting plate (512), the tip of connecting plate (512) corresponds second concave type draw-in groove (311) and is equipped with the protruding type bayonet lock of second (513).

8. The LED tablet lamp of claim 6, wherein: a plurality of clamping groove holes (514) are formed in two sides of the upper surface of the aluminum substrate (511) at intervals, and a plurality of clamping pins (522) corresponding to the clamping groove holes (514) extend downwards from two sides of the lens plate (520).

9. The LED tablet lamp of any one of claims 1 to 3, wherein: the top of the shell cover (100) is an arched surface.

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