CN211902603U - Anti-dazzle directional light-emitting blackboard lighting system - Google Patents
Anti-dazzle directional light-emitting blackboard lighting system Download PDFInfo
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- CN211902603U CN211902603U CN202020530106.3U CN202020530106U CN211902603U CN 211902603 U CN211902603 U CN 211902603U CN 202020530106 U CN202020530106 U CN 202020530106U CN 211902603 U CN211902603 U CN 211902603U
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- blackboard
- light
- led lamp
- dazzle
- lamp
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- 238000005286 illumination Methods 0.000 claims abstract description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 241000217776 Holocentridae Species 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000004313 glare Effects 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses an anti-dazzle directional lighting blackboard lighting system, which comprises a plurality of blackboard lamps which are arranged at intervals along the length direction parallel to a blackboard; the plurality of blackboard lamps are uniformly distributed on the front side of the blackboard; the blackboard lamp consists of a hanger and a lamp body; the lamp body comprises a lamp holder, an LED lamp panel arranged in the lamp holder, a prismatic lens arranged on the front side of the LED lamp panel, and a lampshade covering the front side of the LED lamp panel; at least one row of LED lamp belts are arranged on the LED lamp panel; the LED lamp panel is electrically connected with the electronic ballast with high power factor; the lampshade consists of a light-transmitting plate and an anti-dazzle baffle; the anti-dazzle baffle is obliquely arranged below the light-transmitting plate; the light-transmitting plate is provided with a light-transmitting guard plate along the length direction; the utility model discloses an anti-dazzle directional lighting blackboard lighting system, the illumination region is even, and the LED light source can directional shine to required position, has prevented that light from penetrating the people's eye directly and producing the glare, guarantees to be comfortable with the eye.
Description
Technical Field
The utility model relates to an anti-dazzle directional lighting blackboard lighting system belongs to lighting system technical field.
Background
The blackboard lamp is arranged above the blackboard and used for illuminating the blackboard, so that students in a classroom can clearly see the blackboard. The specialty of present blackboard lamp is not strong, has the dazzling condition during the use, and such lamps and lanterns can cause the influence to mr's eyesight, can dazzle the purpose condition during normal teaching operation, and effective light utilization rate is extremely low simultaneously, and most light distribution causes the light extravagant outside the blackboard, and the student has better use when seeing the blackboard and experiences. Therefore, in order to solve the above problems, it is highly desirable to design an anti-glare directional lighting blackboard illumination system.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an anti-dazzle directional lighting blackboard lighting system, the illumination region is even, and the LED light source can directional shine to required position, has prevented that light from penetrating the people's eye directly and producing the glare, guarantees to use the eye comfortable.
The utility model discloses an anti-dazzle directional lighting blackboard lighting system, which comprises a plurality of blackboard lamps which are arranged at intervals along the length direction parallel to a blackboard; the plurality of blackboard lamps are uniformly distributed on the front side of the blackboard; the blackboard lamp consists of a hanger and a lamp body; the lamp body comprises a lamp holder, an LED lamp panel arranged in the lamp holder, a prismatic lens arranged on the front side of the LED lamp panel, and a lampshade covering the front side of the LED lamp panel; the LED lamp panel is provided with at least one row of LED lamp belts, the LED lamp belts consisting of high-quality LED lamp wicks are adopted, the color temperature of the LED lamp is 5000K, light is soft and has no stroboflash, and an illumination area is fine and uniform, so that the eye comfort is ensured; the prismatic lens is positioned right in front of the LED lamp strip, and the prismatic lens is arranged on the front side of the LED lamp strip and can refract or reflect light emitted by the LED light source to form a polarization effect, so that the prismatic lens can realize deviation of light intensity distribution, more light is distributed on the blackboard, and the utilization rate of the light is improved; the LED lamp panel is electrically connected with the electronic ballast with high power factor, and the high-power electronic ballast is adopted, so that the LED lamp panel has the advantages of high power factor, high luminous efficiency, no stroboflash, no noise, quick and reliable starting, small volume and light weight; the lampshade consists of a light-transmitting plate and an anti-dazzle baffle; the anti-dazzle baffle is obliquely arranged below the light-transmitting plate; the light-transmitting plate is provided with a light-transmitting guard plate along the length direction; the light-transmitting protective plate is arranged on the front side of the light-emitting surface of the prismatic lens, and the special optical design of combining the prismatic lens and the anti-dazzle baffle is adopted, so that the requirement on the illumination of the blackboard is met, and meanwhile, the eyes of teachers are protected.
As a preferred embodiment, the lamp holder is a heat radiation body with an all-aluminum structure or an aluminum alloy structure, and the lamp holder is made of an all-aluminum or aluminum alloy material, so that the pollution of mercury and lead can be avoided; the lamp bracket is made of all-aluminum materials, so that the heat dissipation effect is good, and the service life of the blackboard lamp is prolonged; or the lamp bracket is made of aluminum alloy materials, so that the lamp bracket is strong in pressure resistance, firm and durable.
Furthermore, the top of the lamp holder is provided with a mounting groove for mounting the hanging bracket; a cavity for mounting the LED lamp panel and the prismatic lens is formed in the lamp holder; a clamping groove for mounting the lampshade is formed in the front side of the cavity; the aluminum alloy side plates are fixed on the two sides of the lamp holder through fastening bolts, the aluminum alloy side plates are fixed on the side faces of the lamp holder, the supporting and fixing effects are achieved, and the overall connectivity and firmness of the lamp holder are improved.
Further, the anti-dazzle baffle is integrally formed by a straight line part and an arc part; one side of the arc-shaped part, which is far away from the linear part, is connected with the light-transmitting plate, and the arc-shaped part is bent and protruded towards the LED light source; the LED lamp shade is characterized in that one side, which deviates from the arc-shaped portion, of the straight line portion is arranged below the light-transmitting guard plate in a hanging mode, the bottom of the straight line portion inclines towards the direction close to the blackboard, the anti-dazzle baffle of the lamp shade can reflect light rays emitted by the LED light source to the lower portion of the blackboard, light supplement is carried out on the lower portion of the blackboard, the phenomenon that the illumination brightness of the lower portion of the blackboard is low is made up, and the uniformity of the.
Furthermore, the light outlet of the lamp body inclines towards the blackboard, light rays below the blackboard lamp when a teacher stands in front of the blackboard can be shielded, the light rays emitted by the LED light source and facing the lower portion of the blackboard can be directionally irradiated to a required position after being reflected, the light rays are prevented from directly irradiating human eyes to generate glare, and the protection effect on the human eyes is achieved.
Furthermore, the LED lamp strip is composed of a plurality of LED lamp wicks which are uniformly distributed.
Compared with the prior art, the utility model discloses an anti-dazzle directional lighting blackboard lighting system adopts the special optical design that prismatic lens and anti-dazzle baffle combine, and blackboard illuminance is even, does not have the stroboscopic, and has prevented that light from penetrating the people's eye directly and producing the glare, protects mr's eyes simultaneously, guarantees to be comfortable with the eye.
Drawings
Fig. 1 is the utility model discloses a hoisting structure schematic diagram of blackboard lamp.
Fig. 2 is a schematic view of the overall structure of the blackboard lamp of the present invention.
Fig. 3 is a schematic view of the internal structure of the lamp body of the present invention.
Fig. 4 is an enlarged schematic view of the position a of the present invention.
The parts in the drawings are marked as follows: 1-hanging bracket, 2-lamp body, 21-lamp holder, 211-mounting groove, 212-cavity, 213-clamping groove, 22-LED lamp panel, 23-lampshade, 231-light-transmitting plate, 232-anti-dazzle baffle, 2321-linear part, 2322-arc part, 24-LED lamp strip, 241-LED lamp wick, 25-electronic ballast, 26-light-transmitting guard plate, 27-aluminum alloy side plate, 28-prismatic lens and 3-fastening bolt.
Detailed Description
An anti-glare directional lighting blackboard illumination system as shown in fig. 1 to 4, comprising a plurality of blackboard lights arranged at intervals along a direction parallel to the length direction of a blackboard; the plurality of blackboard lamps are uniformly distributed on the front side of the blackboard; the blackboard lamp consists of a hanger 1 and a lamp body 2; the lamp body 2 comprises a lamp holder 21, an LED lamp panel 22 arranged inside the lamp holder 21, a prismatic lens 28 arranged on the front side of the LED lamp panel 22, and a lampshade 23 covering the front side of the LED lamp panel 22; at least one row of LED lamp strips 24 are mounted on the LED lamp panel 22; the prismatic lens 28 is positioned right in front of the LED lamp strip 24; the LED lamp panel 22 is electrically connected with an electronic ballast 25 with high power factor; the lampshade 23 consists of a light-transmitting plate 231 and an anti-dazzle baffle 232; the anti-dazzle baffle 232 is obliquely arranged below the light-transmitting plate 231; the light-transmitting plate 231 is provided with a light-transmitting guard plate 26 along the length direction thereof; the transparent protective plate 26 is disposed in front of the light-emitting surface of the prismatic lens 28.
The lamp holder 21 is a heat radiator of an all-aluminum structure or an aluminum alloy structure.
The top of the lamp holder 21 is provided with a mounting groove 211 for mounting a hanger; a cavity 212 for mounting the LED lamp panel and the prismatic lens is formed in the lamp holder 21; a clamping groove 213 for mounting the lampshade is arranged at the front side of the cavity 212; and aluminum alloy side plates 27 are fixed on two sides of the lamp holder 21 through fastening bolts 3.
The anti-dazzle baffle 232 is formed by integrating a straight part 2321 and an arc part 2322; the side, away from the linear portion 2321, of the arc-shaped portion 2322 is connected to the light-transmitting plate 231, and the arc-shaped portion 2322 is bent and protruded towards the LED light source; the side of the straight-line portion 2321, which is away from the arc-shaped portion 2322, is suspended below the transparent protective plate 26, and the bottom of the straight-line portion 2321 is inclined toward the direction close to the blackboard.
The light outlet of the lamp body 2 is inclined towards the blackboard.
The LED strip 24 is composed of a plurality of LED wicks 241 uniformly distributed.
The anti-dazzle directional lighting blackboard illumination system adopts the special optical design of combining the prismatic lens and the anti-dazzle baffle, has uniform blackboard illumination and no stroboflash, prevents light from directly irradiating human eyes to generate glare, protects the eyes of teachers at the same time, and ensures that the eyes feel comfortable; the prismatic lens is arranged on the front side of the LED lamp strip, so that light rays emitted by the LED light source can be refracted or reflected to form a polarization effect, the prismatic lens can realize deviation of light intensity distribution, more light rays are distributed on the blackboard, and the utilization rate of the light rays is improved; the anti-dazzle baffle of the lampshade can reflect light rays emitted by the LED light source to the lower part of the blackboard, so that light is supplemented to the lower part of the blackboard, the phenomenon of low illumination brightness of the lower part of the blackboard is compensated, and the uniformity of the overall illumination brightness of the blackboard is improved; the light outlet of the lamp body is inclined towards the blackboard, so that light rays below the blackboard lamp when a teacher stands in front of the blackboard can be shielded, the light rays emitted by the LED light source and facing the lower part of the blackboard can be directionally irradiated to a required position after being reflected, glare caused by the fact that the light rays directly irradiate human eyes is prevented, and the protection effect on the human eyes is achieved; the high-quality electronic ballast with high power factor has high luminous efficiency, no stroboflash, no noise, quick and reliable start, small size and light weight.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (6)
1. An anti-dazzle directional lighting blackboard lighting system comprises a plurality of blackboard lamps arranged at intervals along the direction parallel to the length direction of a blackboard; the plurality of blackboard lamps are uniformly distributed on the front side of the blackboard; the method is characterized in that: the blackboard lamp consists of a hanger and a lamp body; the lamp body comprises a lamp holder, an LED lamp panel arranged in the lamp holder, a prismatic lens arranged on the front side of the LED lamp panel, and a lampshade covering the front side of the LED lamp panel; at least one row of LED lamp belts are arranged on the LED lamp panel; the prismatic lens is positioned right in front of the LED lamp strip; the LED lamp panel is electrically connected with the electronic ballast with high power factor; the lampshade consists of a light-transmitting plate and an anti-dazzle baffle; the anti-dazzle baffle is obliquely arranged below the light-transmitting plate; the light-transmitting plate is provided with a light-transmitting guard plate along the length direction; the light-transmitting protective plate is arranged on the front side of the light-emitting surface of the prismatic lens.
2. The anti-glare directional-lighting blackboard illumination system according to claim 1, characterized in that: the lamp holder is a radiator of an all-aluminum structure or an aluminum alloy structure.
3. The anti-glare directional-lighting blackboard illumination system according to claim 1, characterized in that: the top of the lamp holder is provided with a mounting groove for mounting the hanging bracket; a cavity for mounting the LED lamp panel and the prismatic lens is formed in the lamp holder; a clamping groove for mounting the lampshade is formed in the front side of the cavity; and aluminum alloy side plates are fixed on two sides of the lamp holder through fastening bolts.
4. The anti-glare directional-lighting blackboard illumination system according to claim 1, characterized in that: the anti-dazzle baffle is integrally formed by a straight line part and an arc part; one side of the arc-shaped part, which is far away from the linear part, is connected with the light-transmitting plate, and the arc-shaped part is bent and protruded towards the LED light source; one side of the straight line part, which is far away from the arc-shaped part, is arranged below the light-transmitting guard plate in a hanging mode, and the bottom of the straight line part inclines towards the direction close to the blackboard.
5. The anti-glare directional-lighting blackboard illumination system according to claim 1, characterized in that: the light outlet of the lamp body inclines towards the blackboard.
6. The anti-glare directional-lighting blackboard illumination system according to claim 1, characterized in that: the LED lamp belt is composed of a plurality of LED lamp wicks which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530106.3U CN211902603U (en) | 2020-04-13 | 2020-04-13 | Anti-dazzle directional light-emitting blackboard lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530106.3U CN211902603U (en) | 2020-04-13 | 2020-04-13 | Anti-dazzle directional light-emitting blackboard lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211902603U true CN211902603U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020530106.3U Expired - Fee Related CN211902603U (en) | 2020-04-13 | 2020-04-13 | Anti-dazzle directional light-emitting blackboard lighting system |
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| Country | Link |
|---|---|
| CN (1) | CN211902603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606559A (en) * | 2021-07-16 | 2021-11-05 | 宁波公牛光电科技有限公司 | Lamp structure |
-
2020
- 2020-04-13 CN CN202020530106.3U patent/CN211902603U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606559A (en) * | 2021-07-16 | 2021-11-05 | 宁波公牛光电科技有限公司 | Lamp structure |
| CN113606559B (en) * | 2021-07-16 | 2023-07-14 | 宁波公牛光电科技有限公司 | Lamp structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |