CN216131811U - Lamp set - Google Patents
Lamp set Download PDFInfo
- Publication number
- CN216131811U CN216131811U CN202121709151.6U CN202121709151U CN216131811U CN 216131811 U CN216131811 U CN 216131811U CN 202121709151 U CN202121709151 U CN 202121709151U CN 216131811 U CN216131811 U CN 216131811U
- Authority
- CN
- China
- Prior art keywords
- led light
- light source
- plate
- lamp
- reflecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 230000004313 glare Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 description 18
- 238000005286 illumination Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000001678 irradiating effect Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- 210000003128 head Anatomy 0.000 description 3
- 230000001795 light effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a lamp which comprises a lamp body, an LED light source, a reflecting plate and a diffusion plate, wherein the LED light source, the reflecting plate and the diffusion plate are all connected with the lamp body, one side of the reflecting plate, which is opposite to the LED light source, is provided with a reflecting surface, the cross section of the reflecting surface is an elliptic arc, the LED light source is arranged at one focus of the elliptic arc, the diffusion plate is arranged at the other focus of the elliptic arc, and light rays emitted by the LED light source are reflected by the reflecting surface and then refracted by the diffusion plate. The utility model can reduce the harm of glare and blue light and build a healthier and more comfortable lighting environment.
Description
Technical Field
The utility model relates to the technical field of lighting equipment, in particular to a lamp.
Background
Most schools currently use traditional fluorescent tubes as lighting fixtures. The traditional fluorescent lamp tube has dazzling light, serious stroboflash, poor display index, high color temperature and poor anti-dazzle effect, the illuminance and the uniformity can not reach the national standard, and particularly, myopia is easily caused by directly irradiating the eyes of teachers and students; in addition, the traditional fluorescent lamp tube is also required to be maintained frequently, which can influence the students to learn normally. Some blackboard lights on the market are provided with grids or surface treatments for anti-glare, but this leads to increased cost and reduced light efficiency.
The LED is called as a fourth-generation light source, has the characteristics of energy conservation, environmental protection, safety, long service life, low power consumption, low heat, high brightness, water resistance, micro size, shock resistance, easiness in dimming, light beam concentration, simplicity and convenience in maintenance and the like, and can be widely applied to the fields of various indications, display, decoration, backlight sources, common illumination and the like.
However, the use of LED light sources as blackboard lights also requires consideration of the problem of glare and blue light damaging the teacher and student's eyes. In order to enable students to clearly read characters on a blackboard and protect the eyesight health of teachers and students, it is necessary to provide an LED blackboard lamp capable of preventing glare and reducing blue light.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a lamp, which reduces the harm of glare and blue light and creates a healthier and more comfortable lighting environment.
In order to solve the above technical problems, the present invention provides a lamp, which comprises a lamp body, an LED light source, a reflective plate and a diffusion plate, wherein the LED light source, the reflective plate and the diffusion plate are all connected to the lamp body,
the LED lamp is characterized in that a reflecting surface is arranged on one side, opposite to the LED light source, of the reflecting plate, the cross section of the reflecting surface is an elliptical arc, the LED light source is arranged at one focus of the elliptical arc, the diffusion plate is arranged at the other focus of the elliptical arc, and light rays emitted by the LED light source are reflected by the reflecting surface and then refracted by the diffusion plate.
As an improvement of the above scheme, the LED light sources and the reflective plate are correspondingly arranged in at least two groups, and the LED light sources and the reflective plate are arranged in a linear array;
the diffuser plate is 10 ~ 60 with the contained angle of horizontal direction.
As an improvement of the above scheme, a containing cavity with an opening at the bottom is arranged in the lamp body, a containing groove is arranged at the top of the containing cavity, the reflecting plate is contained in the containing groove, the LED light source is fixed on the side wall of the containing groove, and the diffusion plate is arranged at an opening of the containing cavity.
As the improvement of above-mentioned scheme, one side tank bottom of holding tank is equipped with first spacing mounting groove, the opposite side notch of holding tank is equipped with the spacing mounting groove of second, the both ends of reflecting plate set up respectively in first spacing mounting groove and the spacing mounting groove of second.
As an improvement of the above scheme, one side of the accommodating groove is provided with a third limit mounting groove, the third limit mounting groove and the first limit mounting groove are arranged on the same side of the accommodating groove, and the LED light source is arranged in the third limit mounting groove.
As an improvement of the scheme, a fourth limiting installation groove is formed in the opening of the accommodating cavity, and the diffusion plate is arranged in the fourth limiting installation groove in a sliding mode.
As an improvement of the scheme, the LED light source is an LED lamp strip, the reflecting plate is formed by curling a reflecting material, and the LED lamp strip and the reflecting plate are arranged in parallel.
As an improvement of the scheme, the reflecting plate is provided with a coating for reflecting or absorbing blue light.
The implementation of the utility model has the following beneficial effects:
the utility model provides a lamp, wherein a reflecting surface with an elliptic arc cross section is arranged on one side of a reflecting plate opposite to an LED light source, the LED light source is arranged at one focus of the elliptic arc, a diffusion plate is arranged at the other focus of the elliptic arc, the distance between the LED light source (a light emitting part) and the diffusion plate (a light emitting part) is longer, and light rays emitted by the LED light source reach the diffusion plate after being reflected by the reflecting surface, so that the effect of a hidden light source is achieved, the light rays emitted by the LED light source are prevented from directly irradiating human eyes, and the glare phenomenon is avoided;
light rays emitted by the LED light source are reflected by the reflecting surface, then are converged at the other focus position on the diffusion plate and are refracted by the diffusion plate, the light-emitting guidance is good, light-emitting polarized light is irradiated on the blackboard, the light effect of the whole lamp is improved, and the glare value is reduced;
the reasonable light distribution helps to greatly shorten the installation distance between the lamp and the blackboard, on one hand, the light loss is reduced, the illumination uniformity of the surface of the blackboard is improved, on the other hand, the light of the lamp is irradiated on the blackboard from the space above the head of the teacher as much as possible, and the condition that the eyes of the teacher are directly irradiated to generate glare is avoided;
in addition, the diffusion plate uniformly diffuses blue light in light rays emitted by the LED light source, so that the radiation illumination of the blue light is weakened, and the eyes of teachers and students are protected from being damaged by the blue light;
the anti-dazzle effect can be achieved without arranging a grid or carrying out surface treatment on the diffusion plate, the light efficiency of the whole lamp is high, and energy conservation is facilitated.
Drawings
FIG. 1 is a cross-sectional view of a lamp according to an embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of the reflection plate and the LED light source in the accommodating groove of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides an embodiment of a lamp 1, including a lamp body 1, an LED light source 2, a reflector plate 3, and a diffuser plate 4, where the LED light source 2, the reflector plate 3, and the diffuser plate 4 are all connected to the lamp body 1, a reflector 31 is disposed on a side of the reflector plate 3 opposite to the LED light source 2, a cross section of the reflector 31 is an elliptical arc, the LED light source 2 is disposed at a focus of the elliptical arc, the diffuser plate 4 is disposed at another focus of the elliptical arc, and light emitted by the LED light source 2 is reflected by the reflector 31 and then refracted by the diffuser plate 4.
In the embodiment, the reflecting surface 31 with the elliptic arc cross section is arranged on one side of the reflecting plate 3 opposite to the LED light source 2, the LED light source 2 is arranged at one focus of the elliptic arc, the diffusion plate 4 is arranged at the other focus of the elliptic arc, the distance between the LED light source 2 (light emitting element) and the diffusion plate 4 (light emitting element) is longer, and the light emitted by the LED light source 2 reaches the diffusion plate 4 after being reflected by the reflecting surface 31, so that the effect of a hidden light source is achieved, the light emitted by the LED light source 2 is prevented from directly irradiating human eyes, and the glare phenomenon is avoided; light rays emitted by the LED light source 2 are reflected by the reflecting surface, then are converged at the other focus position on the diffusion plate 4 and are refracted by the diffusion plate 4, the light-emitting guidance is good, light-emitting polarized light is irradiated on the blackboard, the light effect of the whole lamp is improved, and the glare value is reduced; the reasonable light distribution helps to greatly shorten the installation distance between the lamp and the blackboard, on one hand, the light loss is reduced, the illumination uniformity of the surface of the blackboard is improved, on the other hand, the light of the lamp is irradiated on the blackboard from the space above the head of the teacher as much as possible, and the condition that the eyes of the teacher are directly irradiated to generate glare is avoided; in addition, the diffusion plate 4 uniformly diffuses the blue light in the light emitted by the LED light source 2, so that the radiation illumination of the blue light is weakened, and the eyes of teachers and students are protected from being damaged by the blue light; the anti-dazzle effect can be achieved without arranging a grid or carrying out surface treatment on the diffusion plate 4, the light efficiency of the whole lamp is high, and energy conservation is facilitated.
Specifically, the lamp body 1 of the present embodiment is provided with a containing cavity 11 with an open bottom, the top of the containing cavity 11 is provided with a containing groove 12, the reflective plate 3 is contained in the containing groove 12, the LED light source 2 is fixed on the side wall of the containing groove 12, and the diffusion plate 4 is disposed at the opening of the containing cavity 11. The LED light source 2 is mounted in a hidden mode, so that light rays emitted by the LED light source 2 are prevented from directly irradiating human eyes, and the glare phenomenon is avoided.
With reference to fig. 2, in order to facilitate the installation of the LED light source 2 and the reflection plate 3, a first limit installation groove 121 is disposed at the bottom of one side of the accommodation groove 12, a second limit installation groove 122 is disposed at the other side of the accommodation groove 12, and two ends of the reflection plate 3 are disposed in the first limit installation groove 121 and the second limit installation groove 122 respectively. A third limiting installation groove 123 is formed in one side of the accommodating groove 12, the third limiting installation groove 123 and the first limiting installation groove 121 are disposed on the same side of the accommodating groove 12, and the LED light source 2 is disposed in the third limiting installation groove 123, so that light emitted by the LED light source 2 can be completely reflected by the reflecting surface 31.
For the installation of convenient diffuser plate 4, the opening part that holds chamber 11 is equipped with fourth spacing mounting groove 124, diffuser plate 4 slides and sets up in fourth spacing mounting groove 124. In order to adapt to the reflecting surfaces 31 with the cross sections of the elliptical arcs with different focal lengths, the fourth limit installation grooves 124 are oppositely arranged in a plurality of groups on two sides of the opening, so that the installation position of the diffusion plate 4 can be adjusted according to the reflecting surfaces 31, and the plane where the other focus of the installed diffusion plate 4 and the reflecting surfaces 31 of the plurality of reflecting plates 3 is located is ensured to be overlapped.
For the light projection area that increases whole lamp, the LED light source 2 and the reflecting plate 3 correspondence of this embodiment set up to at least two sets ofly, LED light source 2 and the 3 lines of reflecting plate all are linear array and set up, and the light that every group LED light source 2 sent is through the reflecting plate 3 reflection back that corresponds, intersects respectively in another focus position that corresponds plane of reflection 31, refracts on the blackboard through diffuser plate 4. In order to avoid the interference between the light emitted from each set of LED light sources 2 and the reflection plate 3 and to keep the light emitted from the reflection plate at a uniform illumination, the included angle between the scattering plate and the horizontal direction in this embodiment is preferably 10 to 60 °, that is, the LED light sources 2 are linearly arranged along the direction with the horizontal inclination angle of 10 to 60 °, and the accommodating grooves 12 at the top of the accommodating cavity 11 are distributed in a step shape.
For whole lamp assembly, the LED light source 2 of this embodiment is preferably an LED lamp strip, and when carrying out the assembly of LED light source 2, insert LED lamp strip along third spacing mounting groove 123 can. The reflecting plate 3 is formed by curling reflecting materials, and the LED lamp strip is arranged in parallel with the reflecting plate 3.
The reflecting plate 3 of the present embodiment is an optical member having a reflecting function, and the reflecting surface 31 may be a flat surface or an irregular surface.
The reflection plate of the embodiment is provided with a coating for reflecting or absorbing blue light, and the blue light meeting at the position of the diffusion plate 4 can be intensively weakened through the uniform diffusion of the diffusion plate 4 at the position of the focal point of the elliptical reflecting surface, so that the blue light hazard of the emergent light can be reduced.
In summary, the implementation of the utility model has the following beneficial effects:
1. the utility model adopts the reflecting plate 3 to realize the polarized light glare reduction, and compared with the polarized light of the traditional lens, the utility model has smaller light loss and good glare prevention effect;
2. the LED light sources 2 and the reflecting plate 3 which are arranged in a linear array uniformly emit light, so that the illumination range is wide and the uniformity is good;
3. the LED light source 2 is assembled in a hidden mode, so that the emitted light is prevented from directly irradiating human eyes, and the glare phenomenon is avoided;
4. the light rays emitted by the LED light source 2 are reflected by the reflecting surface, then are converged at the other focus position on the diffusion plate 4 and are refracted by the diffusion plate 4, the outgoing light has good guidance performance, outgoing light polarized light is irradiated on the blackboard, and reasonable light distribution helps to greatly shorten the installation distance between the lamp and the blackboard, so that on one hand, the light loss is reduced, the illumination uniformity of the surface of the blackboard is improved, on the other hand, the light rays of the lamp are irradiated on the blackboard from the space above the head of a teacher as much as possible, and the situation that the eyes of the teacher are directly irradiated to generate glare is avoided;
5. in addition, the diffusion plate 4 uniformly diffuses the blue light in the light emitted by the LED light source 2, so that the radiation illumination of the blue light is weakened, and the eyes of teachers and students are protected from being damaged by the blue light;
6. the anti-dazzle effect can be achieved without arranging a grid or carrying out surface treatment on the diffusion plate 4, the light efficiency of the whole lamp is high, and energy conservation is facilitated;
7. the lamp is suitable for wall washing illumination, is particularly suitable for being used as a blackboard lamp, has good anti-dazzle and anti-blue light effects, and helps to build a safer, healthier and more comfortable illumination environment.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (8)
1. A lamp is characterized by comprising a lamp body, an LED light source, a reflecting plate and a diffusion plate, wherein the LED light source, the reflecting plate and the diffusion plate are all connected with the lamp body,
the LED lamp is characterized in that a reflecting surface is arranged on one side, opposite to the LED light source, of the reflecting plate, the cross section of the reflecting surface is an elliptical arc, the LED light source is arranged at one focus of the elliptical arc, the diffusion plate is arranged at the other focus of the elliptical arc, and light rays emitted by the LED light source are reflected by the reflecting surface and then refracted by the diffusion plate.
2. The lamp of claim 1, wherein the LED light sources and the reflective plate are arranged in at least two groups, and the LED light sources and the reflective plate are arranged in a linear array;
the diffuser plate is 10 ~ 60 with the contained angle of horizontal direction.
3. The lamp according to claim 1 or 2, wherein a receiving cavity with an open bottom is formed in the lamp body, a receiving groove is formed in a top of the receiving cavity, the reflective plate is received in the receiving groove, the LED light source is fixed to a side wall of the receiving groove, and the diffusion plate is disposed at the opening of the receiving cavity.
4. The lamp as claimed in claim 3, wherein a first position-limiting mounting groove is formed on a bottom of one side of the receiving groove, a second position-limiting mounting groove is formed on a notch of the other side of the receiving groove, and two ends of the reflection plate are respectively disposed in the first position-limiting mounting groove and the second position-limiting mounting groove.
5. The lamp of claim 4, wherein one side of the receiving groove is provided with a third limit mounting groove, the third limit mounting groove is disposed at the same side of the receiving groove as the first limit mounting groove, and the LED light source is disposed in the third limit mounting groove.
6. The lamp of claim 3, wherein a fourth mounting slot is disposed at the opening of the receiving cavity, and the diffuser plate is slidably disposed in the fourth mounting slot.
7. The lamp according to claim 1 or 2, wherein the LED light source is a LED strip, the reflector is formed by rolling a reflective material, and the LED strip is arranged in parallel with the reflector.
8. A lamp as claimed in claim 1 or 2, characterized in that the reflective plate is provided with a coating for reflecting or absorbing blue light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709151.6U CN216131811U (en) | 2021-07-26 | 2021-07-26 | Lamp set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709151.6U CN216131811U (en) | 2021-07-26 | 2021-07-26 | Lamp set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216131811U true CN216131811U (en) | 2022-03-25 |
Family
ID=80768358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121709151.6U Active CN216131811U (en) | 2021-07-26 | 2021-07-26 | Lamp set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216131811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119196576A (en) * | 2024-10-28 | 2024-12-27 | 东莞晶彩光学有限公司 | A high-transmittance focusing type automobile lamp lens assembly |
-
2021
- 2021-07-26 CN CN202121709151.6U patent/CN216131811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119196576A (en) * | 2024-10-28 | 2024-12-27 | 东莞晶彩光学有限公司 | A high-transmittance focusing type automobile lamp lens assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111649263B (en) | Optical module and lamp for close-range lighting | |
| CN204665080U (en) | Blackboard lighting lamp | |
| CN207065476U (en) | Lens and Blackboard Light | |
| CN216010517U (en) | Blackboard lamp of anti-dazzle eyeshield | |
| CN216131811U (en) | Lamp set | |
| CN109869664A (en) | a blackboard lamp | |
| CN211694737U (en) | A kind of blackboard light polarized lens and blackboard light | |
| CN219014034U (en) | Side-lighting multicolor-temperature flat lamp | |
| CN111089269A (en) | A kind of blackboard light polarized lens and blackboard light | |
| CN209415237U (en) | A kind of blackboard lights | |
| CN215259619U (en) | Polarizing type blackboard lamp lens | |
| CN210687896U (en) | Light distribution assembly and lighting lamp | |
| CN210601478U (en) | Windowsill lamp reflector with Fresnel structure | |
| CN216243904U (en) | Blackboard lamp with eyeshield function | |
| CN111664383A (en) | Optical system applied to large-area illumination and LED illuminating lamp thereof | |
| CN210485333U (en) | LED lamp tube special for teaching | |
| CN210891109U (en) | Lamp set | |
| CN211372281U (en) | Polarization interference light biological safety eye-protecting lampshade and photo-biological safety eye-protecting lamp | |
| CN210800738U (en) | Optical element and lamp with same | |
| CN210179534U (en) | Low-glare optical lens and lamp module thereof | |
| CN114992544A (en) | Lamp holder assembly and lamp with same | |
| CN113237007A (en) | Illumination module and illumination lamp | |
| CN217031079U (en) | TIR optical lens structure for super-close-range installation of blackboard lamp | |
| US12025291B2 (en) | Lighting lamp | |
| CN223525020U (en) | A classroom lighting anti-glare blackboard light lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |