CN106764652A - A kind of dual reflective LED blackboard lightses of application classroom illumination - Google Patents
A kind of dual reflective LED blackboard lightses of application classroom illumination Download PDFInfo
- Publication number
- CN106764652A CN106764652A CN201611005783.8A CN201611005783A CN106764652A CN 106764652 A CN106764652 A CN 106764652A CN 201611005783 A CN201611005783 A CN 201611005783A CN 106764652 A CN106764652 A CN 106764652A
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- Prior art keywords
- light
- led
- blackboard
- reflecting cup
- rectangular
- 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.)
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- 238000005286 illumination Methods 0.000 title claims abstract description 37
- 230000009977 dual effect Effects 0.000 title claims abstract description 21
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 238000009877 rendering Methods 0.000 claims description 3
- 230000003760 hair shine Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a kind of dual reflective LED blackboard lightses of application classroom illumination, including LED blackboard lightses and curved reflector, LED blackboard lightses include LED light bar and rectangular light reflecting cup, rectangular light reflecting cup is rectangular horn opening shape, and equidistantly arrangement is evenly arranged in rectangular light reflecting cup bottom position to multiple LED light bars；LED light bar emergent light is reflected through rectangular light reflecting cup, and original light is compressed into shaping, and beam angle is compressed in a less scope, it is ensured that light utilization, while also for area illumination does secondary light-distribution；LED light bar part emergent light and rectangular light reflecting cup reflected light are shone on curved reflector, the emergent light of secondary light-distribution is carried out three times with light shaping by curved reflector, obtain upper and lower asymmetric light type pattern, lower section illuminance is bigger than top illuminance, and the not enough problem of blackboard the latter half illuminance is made up with this；Three times luminous intensity distribution is incident upon blackboard region, ultimately forms rectangle, the illumination region of uniform-illumination.
Description
Technical field
The present invention relates to lighting field, more particularly to a kind of application classroom illumination dual reflective LED blackboard lightses.
Background technology
Extensively, many traditional illuminators are gradually substituted LED application fields by LED lamp, and LED has the low in energy consumption, longevity
Life is long and the advantages of stability high, and LED lamp also has adjustable color, luminous efficiency high etc. a little；Meanwhile, LED is easy to do
To miniaturization, so with illuminator, can freely design；And with hot line and ultraviolet is practically free of, freely adjust
The features such as light, moment lighting.
Fluorescent tube is used current blackboard lights more, also having very small part to be replaced by LED lamp tube, but overall structure is still adopted
Retroreflective form is lifted with traditional simple vertical, a portion blackboard lights can adjust angle, but reflecting cup structure is simple, nothing
Method reaches the requirement of blackboard lighting criteria.
LED is more and more extensive using all kinds of illuminators, and flexible layout, convenient design.And the luminous intensity distribution and photograph of blackboard lights
It is more special that degree is required, and has certain beam angle, therefore in order to obtain preferable light distribution, meets classroom blackboard photograph
Bright specific demand, devises a kind of dual reflective LED blackboard lamp optical systems.By multiple reflections and beam shaping, realize
The requirement of blackboard illumination and the uniformity.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of application classroom illumination for proposing
Dual reflective LED blackboard lightses.
To achieve these goals, present invention employs following technical scheme：
The dual reflective LED blackboard lightses of a kind of application classroom illumination, by LED light source, reflection module and acrylic protective plate three
It is grouped into, the LED light source is LED blackboard lightses, and a length of 1200mm of LED blackboard lightses, rising angle is 35 degree；
The LED blackboard lightses include LED light bar and rectangular light reflecting cup, and the rectangular light reflecting cup is rectangular horn opening shape, institute
Stating LED light bar has multiple, and equidistantly arrangement is evenly arranged in rectangular light reflecting cup bottom position to LED light bar；LED light bar emergent light is passed through
Rectangular light reflecting cup is reflected, and original light is compressed into shaping, and beam angle is compressed in a less scope, it is ensured that light
Utilization rate, while also for area illumination does secondary light-distribution；
The reflection module includes curved reflector, the first plane mirror, the second plane mirror, the opening of rectangular light reflecting cup
Front is provided with curved reflector；LED light bar part emergent light and rectangular light reflecting cup reflected light are shone on curved reflector, curved surface
The emergent light of secondary light-distribution is carried out three times with light shaping by speculum, obtains upper and lower asymmetric light type pattern, lower section illuminance
It is bigger than top illuminance, illuminance not enough problem in blackboard the latter half is made up with this；Three times luminous intensity distribution is incident upon blackboard region, most
End form is into rectangle, the more uniform illumination region of illumination.
Preferably, the rectangular light reflecting cup top is provided with the first plane mirror, and rear is provided with the second plane mirror, under
Side is provided with acrylic protective plate.
Preferably, the curved reflector is parabolic reflector.
Preferably, the acrylic protective plate is made of the PMMA materials of printing opacity high.
Preferably, the LED light bar is made up of high color rendering index (CRI) LED lamp bead, true reduced color while illumination is met
It is color.
Preferably, the rectangular light reflecting cup, curved reflector, the first plane mirror and the second plane mirror are plated with
High reflection film layer, improves reflection efficiency.
Preferably, the LED light bar and rectangular light reflecting cup are required to incline and install, and angle of inclination is 35 degree.
Preferably, the blackboard specification being adapted to the present invention is 3600mm*1200mm.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is using LED array as light source output, LED outgoing
Light beam reflects through rectangular light reflecting cup, shines on curved reflector, and rectangular light reflecting cup carries out secondary light-distribution shaping to LED beam,
Change original emitting light path, for compressing beam angle, so that final outgoing beam can be concentrated in blackboard region.Curved surface is anti-
Mirror is penetrated for parabolic mirror, the light beam of secondary reshaping is carried out three shapings by parabolic mirror, blackboard is to place vertically,
In order to ensure that blackboard top half and the illumination of the latter half are tried one's best consistent, it is necessary to be projected onto the light beam increase of the latter half,
Using parabolic mirror, corresponding circular cone coefficient and suitable radius of curvature are set, and choose suitable caliber size and position
Put, most some light focuses on blackboard the latter half at last.The light of scattering is carried out reflection recycling by two pieces of plane mirrors, with
This improves light utilization.The light beam matched somebody with somebody after light shaping for three times is finally projected to blackboard through high transmittance acrylic board, realizes
The specified illumination and preferable uniformity of illuminance of blackboard.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the dual reflective LED blackboard lights daily uses of application classroom illumination proposed by the present invention；
Fig. 2 is a kind of structural representation of the dual reflective LED blackboard lightses of application classroom illumination proposed by the present invention；
Fig. 3 is a kind of structural representation of the LED blackboard lightses of the dual reflective LED blackboard lightses of application classroom illumination proposed by the present invention
Figure；
Fig. 4 is that a kind of structure of the rectangular light reflecting cup of the dual reflective LED blackboard lightses of application classroom illumination proposed by the present invention is shown
It is intended to.
In figure：1st, LED blackboard lightses, the 11, first plane mirror, the 12, second plane mirror, 13, curved reflector,
14th, acrylic protective plate, 15, rectangular light reflecting cup, 16, LED light bar, 2, blackboard.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
LED is more and more extensive using all kinds of illuminators, and flexible layout, convenient design.And the luminous intensity distribution and photograph of blackboard lights
It is more special that degree is required, and has certain beam angle, therefore in order to obtain preferable light distribution, meets classroom blackboard photograph
Bright specific demand, devises a kind of dual reflective LED blackboard lamp optical systems.By multiple reflections and beam shaping, realize
The requirement of blackboard illumination and the uniformity.
Reference picture 1-4, the dual reflective LED blackboard lightses of a kind of application classroom illumination, by LED light source, reflection module and Asia
The part of gram force protective plate 14 3 constitutes, and the LED light source is LED blackboard lightses 1, a length of 1200mm of LED blackboard lightses 1（Can be according to reality
Border situation changes length）, rising angle is 35 degree, covers the lower edges region of blackboard 2, and the specification of blackboard 2 is 3600mm*
1200mm。
The LED blackboard lightses 1 include LED light bar 16 and rectangular light reflecting cup 15, and the rectangular light reflecting cup 15 is rectangular horn
Opening shape, the LED light bar 16 has multiple, and equidistantly arrangement is evenly arranged in the bottom position of rectangular light reflecting cup 15 to LED light bar 16
Put, it is ensured that blackboard 2 can obtain more uniform light in the horizontal direction（The number of LED light bar 16 is selected according to the actual requirements
Amount）.The emergent light of LED light bar 16 is reflected through rectangular light reflecting cup 15, and original light is compressed into shaping, and beam angle is compressed in
One less scope, it is ensured that light utilization, while also for area illumination does secondary light-distribution.
The reflection module includes curved reflector 13, the first plane mirror 11, the second plane mirror 12, and rectangle is anti-
The opening front of light cup 15 is provided with curved reflector 13, and top is provided with the first plane mirror 11, and it is anti-that rear is provided with the second plane
Mirror 12 is penetrated, lower section is provided with acrylic protective plate 14, and curved reflector 13 is parabolic reflector, and acrylic protective plate 14 is using high
The PMMA materials of printing opacity are made.The part emergent light of LED light bar 16 and the reflected light of rectangular light reflecting cup 15 shine curved reflector 13
On, the emergent light of secondary light-distribution is carried out three times with light shaping by curved reflector 13, obtains upper and lower asymmetric light type pattern, under
Square illuminance is bigger than top illuminance, and the not enough problem of the latter half illuminance of blackboard 2 is made up with this.Three luminous intensity distribution outgoing are through saturating
After bright acrylic protective plate 14, the region of blackboard 2 is incident upon, ultimately forms rectangle, the more uniform lighting area of illumination
Domain.
Preferably, the LED light bar 16 is made up of high color rendering index (CRI) LED lamp bead, is truly reduced while illumination is met
Color.
Preferably, the rectangular light reflecting cup 15, curved reflector 13, the first plane mirror 11 and the second plane mirror
12 are plated with high reflection film layer, improve reflection efficiency.
Preferably, acrylic protective plate 14 improves saturating using the PMMA materials of printing opacity high while internal structure is protected
Light rate.
Preferably, the LED light bar 16 and rectangular light reflecting cup 15 are required to incline and install, and angle of inclination is 35 degree.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (8)
1. dual reflective LED blackboard lightses of a kind of application classroom illumination, it is characterised in that by LED light source, reflection module and Ya Ke
Power protective plate（14）Three parts constitute, and the LED light source is LED blackboard lightses（1）, LED blackboard lightses（1）A length of 1200mm, light extraction
Angle is 35 degree；
The LED blackboard lightses（1）Including LED light bar（16）And rectangular light reflecting cup（15）, the rectangular light reflecting cup（15）It is rectangle
Loudspeaker opening shape, the LED light bar（16）There are multiple, LED light bar（16）Equidistantly arrangement is evenly arranged in rectangular light reflecting cup
（15）Bottom position；LED light bar（16）Emergent light is through rectangular light reflecting cup（15）Reflection, shaping is compressed by original light,
Beam angle is compressed in a less scope, it is ensured that light utilization, while also for area illumination does secondary light-distribution；
The reflection module includes curved reflector（13）, the first plane mirror（11）, the second plane mirror（12）, rectangle
Reflector（15）Opening front be provided with curved reflector（13）；LED light bar（16）Part emergent light and rectangular light reflecting cup（15）
Reflected light shines curved reflector（13）On, curved reflector（13）The emergent light of secondary light-distribution is carried out three times with finishing
Shape, obtains upper and lower asymmetric light type pattern, and lower section illuminance is bigger than top illuminance, and blackboard is made up with this（2）The latter half
The not enough problem of illuminance；Three times luminous intensity distribution is incident upon blackboard（2）Region, ultimately forms rectangle, and illumination is more uniform
Illumination region.
2. dual reflective LED blackboard lightses of a kind of application classroom illumination according to claim 1, it is characterised in that described
Rectangular light reflecting cup（15）Top is provided with the first plane mirror（11）, rear is provided with the second plane mirror（12）, lower section is provided with
Acrylic protective plate（14）.
3. dual reflective LED blackboard lightses of a kind of application classroom illumination according to claim 1, it is characterised in that described
Curved reflector（13）It is parabolic reflector.
4. a kind of dual reflective LED blackboard lightses of application classroom illumination according to claim 1 and 2, it is characterised in that institute
State acrylic protective plate（14）It is made of the PMMA materials of printing opacity high.
5. dual reflective LED blackboard lightses of a kind of application classroom illumination according to claim 1, it is characterised in that described
LED light bar（16）It is made up of high color rendering index (CRI) LED lamp bead, truly color is reduced while illumination is met.
6. dual reflective LED blackboard lightses of a kind of application classroom illumination according to claim 1, it is characterised in that described
Rectangular light reflecting cup（15）, curved reflector（13）, the first plane mirror（11）With the second plane mirror（12）It is plated with height
Reflective coating, improves reflection efficiency.
7. dual reflective LED blackboard lightses of a kind of application classroom illumination according to claim 1, it is characterised in that described
LED light bar（16）And rectangular light reflecting cup（15）It is required to incline and installs, angle of inclination is 35 degree.
8. dual reflective LED blackboard lightses of a kind of application classroom illumination according to claim 1, it is characterised in that with this
Invent the blackboard of adaptation（2）Specification is 3600mm*1200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005783.8A CN106764652A (en) | 2016-11-16 | 2016-11-16 | A kind of dual reflective LED blackboard lightses of application classroom illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005783.8A CN106764652A (en) | 2016-11-16 | 2016-11-16 | A kind of dual reflective LED blackboard lightses of application classroom illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106764652A true CN106764652A (en) | 2017-05-31 |
Family
ID=58968822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611005783.8A Pending CN106764652A (en) | 2016-11-16 | 2016-11-16 | A kind of dual reflective LED blackboard lightses of application classroom illumination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106764652A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917364A (en) * | 2017-10-27 | 2018-04-17 | 江苏新广联光电股份有限公司 | LED clipboard lamps |
| CN108758563A (en) * | 2018-03-13 | 2018-11-06 | 深圳市美斯特光电技术有限公司 | Light control element and light supply apparatus |
| CN111734987A (en) * | 2020-08-10 | 2020-10-02 | 深圳市西朗德光学有限公司 | Light control device, design method thereof and lighting system |
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| JP2011175903A (en) * | 2010-02-25 | 2011-09-08 | Panasonic Electric Works Co Ltd | Lighting fixture |
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| CN107917364A (en) * | 2017-10-27 | 2018-04-17 | 江苏新广联光电股份有限公司 | LED clipboard lamps |
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| CN111734987A (en) * | 2020-08-10 | 2020-10-02 | 深圳市西朗德光学有限公司 | Light control device, design method thereof and lighting system |
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| PB01 | Publication | ||
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Application publication date: 20170531 |