CN210319713U - Blackboard lamp - Google Patents
Blackboard lamp Download PDFInfo
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- CN210319713U CN210319713U CN201921550794.3U CN201921550794U CN210319713U CN 210319713 U CN210319713 U CN 210319713U CN 201921550794 U CN201921550794 U CN 201921550794U CN 210319713 U CN210319713 U CN 210319713U
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Abstract
The utility model discloses a blackboard lamp, include the lamp body, locate drive power supply, bar LED light source in the lamp body, locate bar LED light source below bar lens and locating the end cover at lamp body both ends, the rear portion of lamp body is equipped with bottom open-ended installation cavity, the bottom front side of installation cavity is equipped with the vertically reflecting plate, install relative horizontal plane slope's LED light source and bar lens in the installation cavity from top to bottom in proper order, bar lens's top is equipped with the bar recess, it is protruding that the top is curved first bar in the bar recess, bar lens's bottom is equipped with the arc outgoing face, the surface of arc outgoing face is equipped with a plurality of second bar archs, the contained angle between LED light source and bar lens and the horizontal plane is 6 ~ 14. The utility model discloses the even illumination of light that the blackboard lamp sent is on the blackboard, has avoided dazzling of light to people's eyes to shine, has improved the lighting efficiency of blackboard lamp.
Description
Technical Field
The utility model relates to an illumination apparatus, concretely relates to blackboard lamp.
Background
The blackboard lamp is a lamp arranged above the front of a blackboard in a classroom and used for distributing light to the blackboard, but the current blackboard lamp has the defects of poor irradiation angle, poor illumination uniformity, low utilization efficiency, glare generation, poor illumination environment and easy visual fatigue, thereby reducing the learning efficiency and even causing the visual deterioration. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a blackboard lamp that illumination is even, prevent dazzling effectual.
The utility model discloses a realize through following technical scheme: the utility model provides a blackboard lamp, includes the lamp body, locates drive power supply, bar LED light source in the lamp body, locate bar lens of bar LED light source below and locating the end cover at lamp body both ends, the rear portion of lamp body is equipped with bottom open-ended installation cavity, the relative horizontal plane slope of installation cavity sets up, the bottom front side of installation cavity is equipped with the vertically reflecting plate, install relative horizontal plane slope's LED light source and bar lens in the installation cavity from top to bottom in proper order, bar lens's top is equipped with the bar recess, it is protruding for curved first bar to be equipped with the top in the bar recess, bar lens's bottom is equipped with the arc emitting surface, the surface of arc emitting surface is equipped with a plurality of second bar archs, the contained angle between LED light source and bar lens and the horizontal plane is 6 ~ 14.
Further, the included angles between the LED light source and the strip-shaped lens and the horizontal plane are all 10 degrees.
Further, the second strip-shaped protrusion is an arc-shaped strip-shaped protrusion.
Further, the second strip-shaped protrusions are saw-toothed strip-shaped protrusions.
Further, the chamber wall of installation cavity is equipped with bar LED light source mounting groove and bar lens mounting groove from top to bottom in proper order, bar lens's both sides be equipped with the installation sand grip of bar lens mounting groove looks adaptation.
Further, the strip-shaped lens is a PS strip-shaped lens.
Further, the strip-shaped lens comprises a plurality of strip-shaped lenses which are sequentially connected.
Further, the bar-shaped LED light source comprises a bar-shaped aluminum substrate and LED lamp beads uniformly distributed on the bar-shaped aluminum substrate.
Further, the top of lamp body is equipped with the jib subassembly, the jib subassembly include under the installed part, through the bolt with the last installed part that the installed part is connected down and install in the jib of last installed part, the top of lamp body is equipped with lamp body screw mounting hole and crosses the line hole, the installed part be equipped with down with the lamp body screw installation corresponds under the installed part screw mounting hole.
Further, the lamp housing is an aluminum alloy lamp housing formed by integral stretching.
Compared with the prior art, the utility model discloses a bar lens's top is equipped with the bar recess, it is protruding for curved first bar to be equipped with the top in the bar recess, bar lens's bottom is equipped with the arc outgoing face, the surface of arc outgoing face is equipped with a plurality of second bar archs, contained angle between LED light source and bar lens and the horizontal plane is 6 ~ 14, the bottom front side of installation cavity is equipped with the vertically reflecting plate, the light that makes bar LED light source send gets into bar lens after the protruding refraction of first bar at bar lens top, evenly send after the protruding refraction of second bar of arc outgoing face again, the glare has been reduced, reflect light through setting up exit angle and setting up the reflecting plate, make the light shine to the blackboard, the efficiency of blackboard lamp has been improved when avoiding light to shine the people eyes directly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a blackboard lamp of the present invention;
FIG. 2 is an exploded view of the blackboard lamp of the present invention;
FIG. 3 is a front view of the blackboard lamp of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic cross-sectional structure diagram of the strip lens of the present invention.
In the figure: 1-a lamp housing; 2-a driving power supply; 3-bar LED light sources; 4-a strip lens; 5-end cover; 6-mounting a cavity; 7-a reflector plate; 8-a strip-shaped groove; 9-a first bar-shaped protrusion; 10-arc-shaped exit surface; 11-a second bar-shaped protrusion; 12-strip-shaped LED light source mounting grooves; 13-a strip lens mounting groove; 14-installing convex strips; 15-strip aluminum substrate; 16-an LED lamp bead; 17-a lower mount; 18-an upper mount; 19-a boom.
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.
As shown in fig. 1 to 5, the blackboard lamp of the present invention comprises a lamp housing 1, a driving power source 2 disposed in the lamp housing 1, bar LED light source 3, locate bar lens 4 of bar LED light source 3 below and locate the end cover 5 at 1 both ends of lamp body, the rear portion of lamp body 1 is equipped with bottom open-ended installation cavity 6, the relative horizontal plane slope setting of installation cavity 6, the bottom front side of installation cavity 6 is equipped with vertically reflecting plate 7, install relative horizontal plane slope's LED light source 3 and bar lens 4 in the installation cavity 6 from top to bottom in proper order, bar lens 4's top is equipped with bar recess 8, it is protruding 9 that the top is curved first bar in the bar recess 8, bar lens 4's bottom is equipped with arc emitting surface 10, the surface of arc emitting surface 10 is equipped with the protruding 11 of a plurality of second bars, the contained angle between LED light source 3 and bar lens 4 and the horizontal plane is 6 ~ 14. Be equipped with bar groove 8 through bar lens 4's top, it is protruding 9 for curved first bar to be equipped with the top in the bar groove 8, bar lens 4's bottom is equipped with arc emitting surface 10, the surface of arc emitting surface 10 is equipped with a plurality of second bar arch 11, the contained angle between LED light source 3 and bar lens 4 and the horizontal plane is 6 ~ 14, the bottom front side of installation cavity 6 is equipped with vertically reflecting plate 7, the light that makes bar LED light source 3 send gets into bar lens 4 after the protruding 9 refraction of first bar at bar lens 4 top, evenly send after the protruding 11 refraction of second bar of arc emitting surface 10 again, glare has been reduced, reflect light through setting up exit angle and setting up reflecting plate 7, make the light shine on the blackboard, the illumination efficiency of blackboard lamp has been improved when avoiding light to direct irradiation of people's eyes.
The included angles between the LED light source 3 and the horizontal plane and between the strip-shaped lens 4 and the horizontal plane are both 10 degrees, so that light can be uniformly irradiated on the blackboard, direct irradiation of the light to human eyes is effectively avoided, and the lighting efficiency of the blackboard lamp is improved.
The second bar-shaped protrusion 11 is an arc-shaped protrusion, and the arc-shaped protrusion enables refracted light to be scattered from multiple directions, so that the uniformity of light irradiation is controlled, and the uniformity of light irradiation is high.
The second strip-shaped protrusions 11 are saw-toothed strip-shaped protrusions, and the saw-toothed strip-shaped protrusions enable refracted light to irradiate towards a specific direction more intensively, so that the directivity of light irradiation is controlled, and the loss of the light is reduced.
The chamber wall of installation cavity 6 is equipped with bar LED light source mounting groove 12 and bar lens mounting groove 13 from top to bottom in proper order, and the both sides of bar lens 4 are equipped with the installation sand grip 14 with 13 looks adaptations of bar lens mounting groove, make things convenient for bar LED light source 3 and bar lens 4's installation.
The strip lens 4 is a PS strip lens, and the transmittance of the PS strip lens is high.
The strip-shaped LED light source 3 comprises a strip-shaped aluminum substrate 15 and LED lamp beads 16 uniformly distributed on the strip-shaped aluminum substrate 15.
The top of lamp body 1 is equipped with the jib subassembly, and the jib subassembly includes under installed part 17, through bolt and the last installed part 18 that installed part 18 is connected down and install in the jib 19 of last installed part 18, and the top of lamp body 1 is equipped with lamp body screw mounting hole and crosses the line hole, and under installed part 17 is equipped with the lower installed part screw mounting hole that corresponds with lamp body screw installation, and the top of lamp body 1 is installed to installed part 17 under the convenience.
The lamp shell 1 is an aluminum alloy lamp shell formed by stretching integrally, and the aluminum alloy lamp shell is more beneficial to heat dissipation of the blackboard lamp.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A blackboard lamp is characterized in that: including the lamp body, locate drive power supply, bar LED light source in the lamp body, locate bar lens of bar LED light source below and locating the end cover at lamp body both ends, the rear portion of lamp body is equipped with bottom open-ended installation cavity, the relative horizontal plane slope of installation cavity sets up, the bottom front side of installation cavity is equipped with the vertically reflecting plate, install relative horizontal plane slope's LED light source and bar lens in the installation cavity from top to bottom in proper order, bar lens's top is equipped with the bar recess, it is protruding that the top is curved first bar in the bar recess, bar lens's bottom is equipped with the arc emitting surface, the surface of arc emitting surface is equipped with a plurality of second bar archs, the contained angle between LED light source and bar lens and the horizontal plane is 6 ~ 14.
2. The blackboard lamp according to claim 1, characterized in that: the included angles between the LED light source and the strip-shaped lens and the horizontal plane are both 10 degrees.
3. The blackboard lamp according to claim 1, characterized in that: the second strip-shaped bulge is an arc-shaped strip-shaped bulge.
4. The blackboard lamp according to claim 1, characterized in that: the second strip-shaped protrusions are saw-toothed strip-shaped protrusions.
5. The blackboard lamp according to claim 1, characterized in that: the chamber wall of installation cavity is equipped with bar LED light source mounting groove and bar lens mounting groove from top to bottom in proper order, bar lens's both sides be equipped with the installation sand grip of bar lens mounting groove looks adaptation.
6. The blackboard lamp according to claim 1, characterized in that: the strip-shaped lens is a PS strip-shaped lens.
7. The blackboard lamp according to claim 1, characterized in that: the strip-shaped lens comprises a plurality of strip-shaped lenses which are sequentially connected.
8. The blackboard lamp according to claim 1, characterized in that: the strip-shaped LED light source comprises a strip-shaped aluminum substrate and LED lamp beads uniformly distributed on the strip-shaped aluminum substrate.
9. The blackboard lamp according to claim 1, characterized in that: the lamp is characterized in that a suspender component is arranged at the top of the lamp shell, the suspender component comprises a lower mounting part, an upper mounting part connected with the lower mounting part through a bolt and a suspender arranged on the upper mounting part, a lamp shell screw mounting hole and a wire passing hole are formed in the top of the lamp shell, and a lower mounting part screw mounting hole corresponding to the lamp shell screw mounting is formed in the lower mounting part.
10. The blackboard lamp according to claim 1, characterized in that: the lamp shell is an aluminum alloy lamp shell formed by integral stretching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550794.3U CN210319713U (en) | 2019-09-18 | 2019-09-18 | Blackboard lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550794.3U CN210319713U (en) | 2019-09-18 | 2019-09-18 | Blackboard lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210319713U true CN210319713U (en) | 2020-04-14 |
Family
ID=70132869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921550794.3U Active CN210319713U (en) | 2019-09-18 | 2019-09-18 | Blackboard lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210319713U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539361A (en) * | 2020-12-09 | 2021-03-23 | 长春希达电子技术有限公司 | High-uniformity blackboard lamp lens |
| CN113251348A (en) * | 2021-05-12 | 2021-08-13 | 武常雷 | Adjustable LED projection lamp |
-
2019
- 2019-09-18 CN CN201921550794.3U patent/CN210319713U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539361A (en) * | 2020-12-09 | 2021-03-23 | 长春希达电子技术有限公司 | High-uniformity blackboard lamp lens |
| CN113251348A (en) * | 2021-05-12 | 2021-08-13 | 武常雷 | Adjustable LED projection lamp |
| CN113251348B (en) * | 2021-05-12 | 2023-10-27 | 宁波智鼎电器有限公司 | Adjustable LED projection lamp |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528400 Building D, No. 1, Yongxing North Road, Henglan, Zhongshan City, Guangdong Province Patentee after: Guangdong Shikang Lighting Technology Co.,Ltd. Address before: 2 / F, 14 Xinmao Industrial Avenue, Henglan Town, Zhongshan City, Guangdong Province, 528400 Patentee before: Guangdong Shikang Lighting Technology Co.,Ltd. |