CN220958110U - Low-glare lens and blackboard lamp - Google Patents
Low-glare lens and blackboard lamp Download PDFInfo
- Publication number
- CN220958110U CN220958110U CN202322599246.2U CN202322599246U CN220958110U CN 220958110 U CN220958110 U CN 220958110U CN 202322599246 U CN202322599246 U CN 202322599246U CN 220958110 U CN220958110 U CN 220958110U
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- light
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- mounting plate
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- 230000004313 glare Effects 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a low-glare lens which comprises a light-transmitting main body, a lamp holder main body and a lamp source, wherein the light-transmitting main body is provided with a light-entering side and a light-emitting side which are oppositely arranged, the light-entering side is provided with at least one concave with a convex structure at the bottom, the concave direction of the light-entering side is towards the light-entering side, the light-emitting side is provided with a plurality of continuous downward slopes, the blackboard lamp structure comprises the light-transmitting main body, the light-transmitting main body is arranged in a containing groove, and the light-entering side corresponds to the lamp source in position. According to the utility model, through the structural design of the light-transmitting main body, the installation distance of the blackboard lamp can be controlled, the effect of high finger display and low glare in a short distance is realized, meanwhile, the lamp profile is reduced, the occupied space is reduced, the existence sense is weakened, and the interference to the attention of students is avoided.
Description
Technical Field
The utility model relates to the technical field of lighting devices, in particular to a blackboard lamp with a low-glare lens for classrooms.
Background
A blackboard lamp is an indoor blackboard lighting device, the main function of which is to illuminate the upper half of the blackboard. The anti-dazzle blackboard lamp disclosed in CN219120420U comprises a shell, a lens and a luminous lamp strip, wherein the lens and the luminous lamp strip are arranged in the shell, an installation part for installing the lens is arranged in the shell, the installation part is obliquely arranged and forms an inclination angle with the horizontal plane, the inclination angle is 40-50 degrees, the installation part comprises a lamp strip installation groove for fixedly installing the luminous lamp strip, the lens is arranged on the luminous side of the luminous lamp strip, the installation part also comprises a lens installation groove for fixedly installing the lens, and the bottom of the shell is provided with a shading part; the lens comprises a light-emitting surface with a circular arc-shaped section and a light-entering surface for light generated by the light-emitting lamp strip to enter the lens.
The blackboard lamp is characterized in that the blackboard lamp is provided with a plurality of light guide holes, the light guide holes are arranged on the side of the blackboard lamp, and the light guide holes are arranged on the side of the blackboard lamp.
Disclosure of utility model
The utility model provides an LED blackboard lamp which is installed in a short distance, has high finger display and low glare and is not dazzling, and aims to avoid the defects of the existing ultraviolet sterilization lamp.
The utility model adopts the following technical scheme: the utility model provides a low glare lens, includes a printing opacity main part, printing opacity main part has a income light side and a light-emitting side of relative setting, its characterized in that, be provided with the sunken recess that is convex structure towards the at least one bottom of income light side direction on the income light side, the light-emitting side is provided with a plurality of continuous decurrent domains.
In several embodiments, the light incident side is further provided with a V-shaped groove recessed toward the light incident side, and the V-shaped groove is located below the recess.
And, a blackboard lamp including the above-mentioned low glare lens, further comprising:
the front end of the lamp holder main body is provided with an accommodating groove;
a lamp source arranged in the accommodating groove;
The light-transmitting main body is arranged in the accommodating groove, and the light incident side corresponds to the position of the light source.
In several embodiments, the front end of the lamp holder main body is further provided with a grille component, and the grille component is disposed at the light-emitting side position of the light-transmitting main body.
In several embodiments, the upper and lower sides of the front end of the receiving groove are respectively provided with a connecting groove, and the grid assembly comprises two connecting plates and a plurality of partition plates arranged between the connecting plates, wherein the connecting plates are used for penetrating into the connecting grooves.
In several embodiments, the rear end of the lamp holder main body is provided with a mounting groove, a mounting component is inserted into the mounting groove, the mounting component comprises a substrate and a mounting plate group, the substrate is in plug-in fit with the mounting groove, and the mounting plate group is arranged on the substrate and is used for being connected with an external object.
In several embodiments, the mounting plate group includes a first mounting plate and a second mounting plate, the first mounting plate is connected with the base plate and extends to the outside, and the second mounting plate is rotationally connected with the position of the first mounting plate extending to the outside.
In several embodiments, the first mounting plate is provided with a mounting hole and an arc-shaped adjusting hole, the mounting Kong Gongdi is connected with the second mounting plate in a penetrating manner, the adjusting hole is used for the second connecting piece to penetrate into the second mounting plate, and the second connecting piece can be locked at different positions of the adjusting hole.
In several embodiments, the two ends of the lamp holder main body are provided with covers, a locking column is arranged in the lamp holder main body, and the covers and the lamp holder main body are screwed into the covers through locking pieces and penetrate into the locking column to be connected and fixed.
In several embodiments, the front end of the lamp holder main body is provided with a light guide plate that is obliquely arranged, and the light guide plate is located at an obliquely upper position of the light-transmitting main body.
The utility model has the beneficial effects that:
1. According to the utility model, through the structural design of the light-transmitting main body, the installation distance of the blackboard lamp can be controlled, the effect of high finger display and low glare in a short distance is realized, meanwhile, the lamp profile is reduced, the occupied space is reduced, the existence sense is weakened, and the interference to the attention of students is avoided.
2. According to the utility model, the installation angle of the blackboard lamp can be adjusted through the installation assembly, and the illumination angle is adjusted according to the scene, so that the illumination effect on the blackboard is improved.
Drawings
The drawings described herein are for illustration purposes only of selected embodiments and are not intended to represent all possible implementations and should not be construed as limiting the scope of the present utility model.
Fig. 1 schematically shows the overall structure of a light-transmitting body in the present embodiment;
FIG. 2 schematically illustrates the side view structure of FIG. 1;
Fig. 3 schematically shows the overall structure of the blackboard lamp in the present embodiment;
FIG. 4 schematically illustrates an enlarged view of portion A of FIG. 3;
FIG. 5 schematically illustrates the explosive structure of FIG. 3;
fig. 6 schematically shows a sectional structure of the blackboard lamp in the present embodiment;
fig. 7 schematically shows a back surface structure of the blackboard lamp in the present embodiment;
FIG. 8 schematically illustrates an enlarged structure of portion B of FIG. 7;
Fig. 9 schematically shows a test performance chart of the blackboard lamp in the present embodiment.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, and for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model but not all embodiments of the present utility model.
Accordingly, the following detailed description of the embodiments of the utility model, provided in connection with the accompanying drawings, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model, as all other embodiments that may be obtained by one of ordinary skill in the art without making inventive efforts based on the embodiments herein, are within the scope of this utility model.
As shown in fig. 1-2, the low glare lens in this embodiment includes a light-transmitting body 10, where the light-transmitting body 10 has a light-incident side 11 and a light-emergent side 12 that are disposed opposite to each other, and is characterized in that at least one concave 111 with a convex bottom toward the concave 111 in the direction of the light-incident side 11 is disposed on the light-incident side 11, the light-emergent side 12 is provided with a plurality of continuous downward slopes 121, and a V-shaped groove 112 is disposed on the light-incident side 11 toward the concave 111 in the direction of the light-incident side 11, and the V-shaped groove 112 is located below the concave 111.
As shown in fig. 3-8, the blackboard lamp in this embodiment includes the light-transmitting main body 10, the lamp holder main body 20, and the lamp source 30, where the front end of the lamp holder main body 20 is provided with the accommodating groove 21, the lamp source 30 and the light-transmitting main body 10 are both disposed in the accommodating groove 21, and the position of the light incident side 11, specifically, the position of the recess 111 corresponds to the position of the lamp source 30.
Wherein, be provided with shroud 60 at the both ends of lighting fixture main part 20, be provided with a locking cylinder 202 in the lighting fixture main part 20, through retaining member screw in shroud 60 and penetrate locking cylinder 202 and connect fixedly between shroud 60 and the lighting fixture main part 20, the retaining member adopts the screw can.
And, the front end of the lamp holder main body 20 is further provided with a grille assembly 40, the grille assembly 40 is disposed at the light-emitting side 12 of the light-transmitting main body 10, the upper and lower sides of the front end of the accommodating groove 21 are respectively provided with a connecting groove 22, the grille assembly 40 comprises two connecting plates 41 and a plurality of partition plates 42 disposed between the connecting plates 41, the connecting plates 41 are used for penetrating the connecting grooves 22, i.e. the grille assembly 40 is in plug-in fit with the lamp holder main body 20.
And a mounting groove 201 is formed at the rear end of the lamp holder main body 20, a mounting assembly 50 is inserted into the mounting groove 201, the mounting assembly 50 comprises a base plate 51 and a mounting plate group 52, the base plate 51 is in plug-in fit with the mounting groove 201, and the connecting plate 41 group is arranged on the base plate 51 and used for being connected with an external object.
And, the mounting plate set 52 includes a first mounting plate 521 and a second mounting plate 522, where the first mounting plate 521 is connected with the base plate 51 and extends to the outside, the second mounting plate 522 is rotatably connected with the position where the first mounting plate 521 extends to the outside, specifically, a mounting hole and an arc-shaped adjusting hole 523 are provided on the first mounting plate 521, the mounting Kong Gongdi is connected with the connecting piece 501 by penetrating and rotating the second mounting plate 522, the adjusting hole 523 is used for penetrating the second connecting piece 502 into the second mounting plate 522, the second connecting piece 502 can be locked at different positions of the adjusting hole 523, and the arc-shaped length of the adjusting hole 523 is limited to the rotation range of the second mounting plate 522, thereby the blackboard lamp can realize the angular rotation about 40 degrees.
Meanwhile, a light guide plate 203 is disposed at the front end of the lamp holder main body 20, and the light guide plate 203 is disposed at an obliquely upper position of the light-transmitting main body 10.
The blackboard lamp in this embodiment can be installed at a distance of about 30cm from the blackboard surface, and a distance greater than about 45cm above the blackboard surface.
As shown in FIG. 9, the blackboard lamp in the embodiment can reach Ra > 95, R9 > 90, UGR < 19 and color tolerance < 3.
All of the manners described herein may be performed in any suitable order. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the utility model and does not pose a limitation on the scope of the utility model unless otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as essential to the practice of the utility model.
The present utility model describes preferred embodiments, including the best mode known to the inventors for carrying out the utility model. Variations of these preferred embodiments will, of course, be apparent to those skilled in the art. The inventors expect skilled artisans to employ such variations as appropriate, and the inventors intend for the utility model to be practiced otherwise than as specifically described herein. Accordingly, this utility model includes all modifications encompassed within the spirit and scope of the utility model as defined by the claims. Moreover, unless indicated otherwise or clearly contradicted by context, the present utility model includes any of the above-described factors and all possible variations thereof.
Claims (10)
1. The utility model provides a low glare lens, includes a printing opacity main part, printing opacity main part has a income light side and a light-emitting side of relative setting, its characterized in that, be provided with the sunken recess that is convex structure towards the at least one bottom of income light side direction on the income light side, the light-emitting side is provided with a plurality of continuous decurrent domains.
2. The low glare lens of claim 1 wherein the light entrance side is recessed in the direction of the light entrance side further comprising a V-shaped channel positioned below the recess.
3. A blackboard lamp comprising the low glare lens according to any one of claims 1-2, further comprising:
the front end of the lamp holder main body is provided with an accommodating groove;
a lamp source arranged in the accommodating groove;
The light-transmitting main body is arranged in the accommodating groove, and the light incident side corresponds to the position of the light source.
4. A blackboard lamp according to claim 3, characterized in that the front end of the lamp holder main body is further provided with a grille member provided at the light-emitting side position of the light-transmitting main body.
5. The blackboard lamp according to claim 4, wherein the upper and lower sides of the front end of the receiving groove are respectively provided with a connecting groove, the grill assembly includes two connection plates for penetrating the connecting grooves and a plurality of partitions disposed between the connection plates.
6. A blackboard lamp according to claim 3, characterized in that the rear end of the lamp holder main body is provided with a mounting groove, the mounting groove is inserted with a mounting assembly, the mounting assembly comprises a base plate and a mounting plate group, the base plate is in plug-in fit with the mounting groove, and the mounting plate group is arranged on the base plate and is used for being connected with an external object.
7. The blackboard lamp according to claim 6, wherein the mounting plate group includes a first mounting plate connected to the base plate and extending outward, and a second mounting plate rotatably connected to the first mounting plate at a position extending outward.
8. The blackboard lamp according to claim 7, wherein the first mounting plate is provided with a mounting hole and an arc-shaped adjusting hole, the mounting Kong Gongdi is connected with the second mounting plate in a penetrating manner, the adjusting hole is used for the second connecting piece to penetrate into the second mounting plate, and the second connecting piece can be locked at different positions of the adjusting hole.
9. A blackboard lamp according to claim 3, wherein the lamp holder main body is provided with a cover at both ends, a locking column is provided in the lamp holder main body, and the cover and the lamp holder main body are screwed into the cover by a locking member and penetrate into the locking column for connection and fixation.
10. A blackboard lamp according to claim 3, wherein the front end of the lamp holder main body is provided with a light guide plate which is obliquely arranged, and the light guide plate is located at an obliquely upper position of the light-transmitting main body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322599246.2U CN220958110U (en) | 2023-09-22 | 2023-09-22 | Low-glare lens and blackboard lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322599246.2U CN220958110U (en) | 2023-09-22 | 2023-09-22 | Low-glare lens and blackboard lamp |
Publications (1)
Publication Number | Publication Date |
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CN220958110U true CN220958110U (en) | 2024-05-14 |
Family
ID=90977116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322599246.2U Active CN220958110U (en) | 2023-09-22 | 2023-09-22 | Low-glare lens and blackboard lamp |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220958110U (en) |
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2023
- 2023-09-22 CN CN202322599246.2U patent/CN220958110U/en active Active
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