CN106764927A - Reflection lampshade and LED street lamp - Google Patents

Reflection lampshade and LED street lamp Download PDF

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Publication number
CN106764927A
CN106764927A CN201611171224.4A CN201611171224A CN106764927A CN 106764927 A CN106764927 A CN 106764927A CN 201611171224 A CN201611171224 A CN 201611171224A CN 106764927 A CN106764927 A CN 106764927A
Authority
CN
China
Prior art keywords
side wall
top board
base plate
reflection lampshade
reflection
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.)
Pending
Application number
CN201611171224.4A
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Chinese (zh)
Inventor
张清
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201611171224.4A priority Critical patent/CN106764927A/en
Publication of CN106764927A publication Critical patent/CN106764927A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015Fastening arrangements intended to retain light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/04Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/10Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
    • F21V3/12Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings the coatings comprising photoluminescent substances
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/22Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads

Abstract

A kind of reflection lampshade and LED street lamp, including:Rectangle top board, the vertically arranged bar shaped pedestal of top board, for placing multiple LED luminescence units arranged side by side;Side wall, its upper end is connected and around top board with top board;Base plate, it is connected with the lower end of the side wall;The bar shaped pedestal is used to set blue-ray LED luminescence unit;The top board and side wall inner surfaces are respectively provided with reflecting layer;The plate inner surface sets gradually reflecting layer and fluorescence coating from inside to outside, and the fluorescence coating sets fluorescent material, and the fluorescent material can inspire gold-tinted when by blue light illumination;The base plate is increased successively along the vertically arranged many rounds of base plate, the aperture in the hole by the base plate mediad left and right sides.

Description

Reflection lampshade and LED street lamp
Technical field
The present invention relates to a kind of reflector structure of light fixture, more particularly, to a kind of reflection lampshade and with the reflectoscope The LED street lamp of cover.
Background technology
With the quickening of urbanization process, the scale of city illumination facility is also constantly expanding.Road lighting is being protected Barrier night traffic safety, reduces night crime, there is provided the aspect such as comfortable living environment plays very important effect.
Traditional street lamp is all to use Metal halogen lamp or high-pressure mercury lamp, and a large amount of human eye black lights are contained in the light for sending, Road lighting all brings substantial amounts of power consumption every year, while traditional green light has, luminous efficiency is low, short life, can not dim Shortcoming, nowadays needs the illumination scheme of more energy-conservation badly.
Compared with conventional illumination sources, LED has that luminous efficiency is high, energy consumption is low, noiselessness, adjustable without stroboscopic, voltage The advantages of so that LED lamps are increasingly used on city illumination in recent years, and green illumination industry is throughout the country Flourish.
The angle of departure of LED is usually bevel angle, such as the LED of the SMD elements of routine, and its lighting angle is 120 degree, its Maximum brightness is located in the middle of lighting angle.And the LED street lamp of city illumination is, it is necessary to rectangular light field, to meet light distribution It is required that.In the prior art, usual manner is typically to set astigmatic elements in the light outlet of LED lamp cover, and emergent light is dissipated Penetrate and it is evenly distributed.But, on the one hand astigmatic elements reduce the outgoing efficiency of light, on the other hand need to close LED Cover, influences the radiating of LED.Meanwhile, existing road car lane is generally more wider than pavement, for adequate illumination motor vehicle Road is, it is necessary to improve the height of street lamp, and improving street lamp height can reduce light intensity.
The content of the invention
As one aspect of the present invention, there is provided a kind of reflection lampshade, including:Rectangle top board, top board is vertically arranged Bar shaped pedestal, for placing multiple LED luminescence units arranged side by side;Side wall, its upper end is connected and around top board with top board;Bottom Plate, it is connected with the lower end of the side wall;The bar shaped pedestal is used to set blue-ray LED;The top board and side wall inner surfaces It is respectively provided with reflecting layer;The plate inner surface sets gradually reflecting layer and fluorescence coating from inside to outside, and the fluorescence coating is set Fluorescent material, the fluorescent material can inspire gold-tinted when by blue light illumination;The base plate is vertically arranged more along base plate Round, the aperture in the hole is increased successively by the base plate mediad left and right sides.
Optionally, the bar shaped pedestal is arranged at ceiling center.
Preferably, the bar shaped pedestal is arranged at ceiling center side position to the left;The side wall includes left side wall and the right side Side wall, wherein left side wall are more than the angle of right side wall and bottom with the angle of bottom, make the longitudinal section of reflection lampshade and turn into right side The length of side is in the left-right asymmetry rectangle of left side;When road is installed, its left side wall is arranged at motor vehicle to the reflection lampshade Road side.
Preferably, the height of the side wall is set, makes the irradiation conical surface of the LED luminescence units and the intersection point position of left side wall In on the bottom surface.
Preferably, the gross area in the hole accounts for 15% to the 35% of base areas.
As another aspect of the present invention, there is provided a kind of reflection lampshade, including:Rectangle top board, top board vertically sets Bar shaped pedestal is put, for placing multiple LED luminescence units arranged side by side;Side wall, its upper end is connected and around top board with top board;Bottom Plate, it is connected with the lower end of the side wall;The bar shaped pedestal is used to set blue-ray LED luminescence unit;The top board and side Wall sets reflecting layer and fluorescence coating from inside to outside, and the fluorescence coating sets fluorescent material, and the fluorescent material can be by blue light During irradiation, gold-tinted can be inspired;The base plate includes left bottom plate and right base plate;The left bottom plate and right plate inner surface Reflecting layer is set, the base plate along the vertically arranged many rounds of base plate, the aperture in the hole by the base plate mediad left and right sides successively Increase.
Preferably, the bar shaped pedestal is arranged at rectangle ceiling center, and the left bottom plate and right base plate are distinguished From the horizontal by about 5 degree of downward angle.
Preferably, the side wall includes left side wall and right side wall, and wherein left side wall is more than right side wall with the angle of bottom With the angle with bottom, the longitudinal section of reflection lampshade is set to be longer than the left-right asymmetry rectangle of left side as right edge;It is described When road is installed, its left side wall is arranged at car lane side to reflection lampshade.
Preferably, the height of the side wall is set, makes the irradiation conical surface of the LED luminescence units and the intersection point position of left side wall In on the bottom surface.
One of as another aspect of the present invention, there is provided LED street lamp including above-mentioned described reflection lampshade, and It is arranged at the LED luminescence units in reflection lampshade.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the reflection lampshade of one embodiment of the invention.
Fig. 2 is the schematic cross-section of the reflection lampshade of another embodiment of the present invention.
Specific embodiment
In order to illustrate more clearly of technical scheme, the present invention will be simply situated between using embodiment below Continue, it should be apparent that, in describing below is only one embodiment of the present of invention, is come for those of ordinary skill in the art Say, without having to pay creative labor, other technical schemes can also be obtained according to these embodiments, fall within Disclosure of the invention scope.
The reflection lampshade of first embodiment of the invention, referring to Fig. 1, including top board 10, left side wall 20, right side wall 30, front side Wall, rear wall and base plate 60.Wherein top board 10 is rectangle top board, its vertically arranged bar shaped pedestal 11, for vertically putting Put multiple LED luminescence units 12 arranged side by side.Bar shaped pedestal 11 can be such as pcb board, and LED luminescence units 12 are used to launch about The blue light of the wave-length coverage of 400nm-500nm.
Left side wall 20, right side wall 30, front side wall and rear wall, its upper end are connected and around top board with top board.Wherein, Front side wall and rear wall are symmetrical arranged.Base plate 60, its respectively with left side wall 20, right side wall 30, front side wall and rear wall Lower end is connected, and is formed inside the lampshade of closing.
Top board 10, left side wall 20 and the inner surface of right side wall 30 are respectively provided with reflecting layer 70, and the inner surface of base plate 60 is by introversion Reflecting layer 70 and fluorescence coating 80 are set gradually outward, fluorescence coating 80 can inspire gold-tinted when by blue light illumination.Its In, reflecting layer 70 is total reflection layer, and its reflectance factor is at least 95%, it is possible to use such as PET reflection film or aluminium film conduct Reflecting layer.Generation gold-tinted is excited by fluorescent material in fluorescence coating 80, it is possible to use such as YAG fluorescent powder or silicate fluorescent powder As the material of fluorescent material.
Base plate 60 is increased successively along the vertically arranged multiple rows of loophole of base plate, loophole aperture by the base plate mediad left and right sides Greatly, so as to light be illuminated to both sides.Bar shaped pedestal 11 is arranged at the central side position to the left of top board 10, left side wall 20 and base plate 60 Angle of the angle more than right side wall 30 and base plate, make the left and right that the longitudinal section of reflection lampshade is longer than left side as right edge not Symmetrical rectangle.When road is installed, left side wall 20 is arranged at car lane side to the reflection lampshade.Preferably, side wall is set Height, the intersection point of the irradiation conical surface and the left side wall of LED luminescence units 12 is located on bottom surface.
The blue light that LED luminescence units 12 send a, part inspires gold-tinted in the fluorescence coating of base plate 60, and gold-tinted is in lampshade
After portion's reflection, projected from loophole;Another part, directly projects from beam orifice, the gold-tinted of the outgoing and blue light into White light.Loophole could be arranged to for example make its gross area account for the area of base plate 60 15% to 35%, the face of preferred loophole Product could be arranged to account for (the 1+ ε r of 60 area of base plate 1/1 λr2 λ), wherein ε is the light conversion efficiency of fluorescence coating, r1It is saturating for fluorescence coating Penetrate efficiency, r2It is the reflection efficiency in reflecting layer, average reflection number of times when λ is beam projecting in reflection lampshade can set λ The value between such as 2-3 is set to, so that the blue light of outgoing is consistent with yellow light intensity.
The above embodiment of the present invention compared with prior art, has the following advantages that:(1)The light of white light LEDs is changed into material Material is provided separately with LED, and on the one hand avoiding light-converting material from being arranged at LED surface causes to influence the radiating of LED, on the other hand subtracts Few light-converting material is arranged at the adhesive coatings that LED surface bonding needs, and the adhesive coatings can reduce optical efficiency;(2)Pass through The setting in reflecting layer, fluorescence coating and loophole aperture, make LED street lamp do not need dispersing element when, it is also possible to by light to Both sides are illuminated, and radiating effect can also be improved by loophole;(3)By the setting of left side wall and right side wall angle, so that Increase irradiation luminous intensity of the street lamp to car lane in the case where pole height is not improved,;(4)By setting for printing opacity hole area Put, blue light is consistent with the intensity of gold-tinted in making emergent light.
Second embodiment of the invention referring to Fig. 2, including top board 10, left side wall 20, right side wall 30, front side wall, rear wall with And base plate 60.Wherein top board 10 is rectangle top board, its vertically arranged bar shaped pedestal 11, for vertically placing multiple arranged side by side LED luminescence units 12.Bar shaped pedestal 11 can be such as pcb board, and LED luminescence units 12 are used to launch about 400nm-500nm's The blue light of wave-length coverage.
Top board 10, left side wall 20 and right side wall 30 set reflecting layer 70 and fluorescence coating 80, fluorescence coating 80 from inside to outside Fluorescent material is set, and fluorescent material can inspire gold-tinted when by blue light illumination.Base plate 60 includes left bottom plate 61 and the right side Base plate 62.Left bottom plate 61 and the inner surface of right base plate 62 only set reflecting layer, and base plate vertically sets multiple rows of loophole, loophole Aperture increased successively by the base plate mediad left and right sides.
Bar shaped pedestal 11 is arranged at the center of rectangle top board 10, left bottom plate 61 and right base plate 62 respectively from the horizontal by About 5 degree of downward angle, enables the reflected light of base plate to deviate LED luminescence units, reduces for LED luminescence unit performances Influence.The blue light that LED luminescence units 12 send, it is a part of after being reflected by base plate 60, on top board 10, left side wall 20 and right side The fluorescence coating of wall 30 inspires gold-tinted, and gold-tinted is projected after lampshade internal reflection from loophole;Another part, directly from transmission Hole is projected, gold-tinted and the blue light into white light of the outgoing.Loophole could be arranged to for example make its gross area account for the face of base plate 60 Long-pending 15% to 35%, the area of preferred loophole could be arranged to account for (the 1+ ε r of 60 area of base plate 1/1 λr2 λ), wherein ε is The light conversion efficiency of fluorescence coating, r1It is the efficiency of transmission of fluorescence coating, r2It is the reflection efficiency in reflecting layer, anti-when λ is beam projecting Average reflection number of times in spotlight shade, the value that can λ is set between such as 2-3, so that the blue light of outgoing is strong with gold-tinted Degree is consistent.
Preferably, left side wall 20 makes the vertical of reflection lampshade with the angle of base plate 60 more than right side wall 30 and the angle of base plate Section is longer than the left-right asymmetry rectangle of left side as right edge.When road is installed, left side wall 20 sets the reflection lampshade It is placed in car lane side.Preferably, the height of side wall is set, makes the irradiation conical surface of LED luminescence units 12 and the friendship of left side wall Point is located on bottom surface.
Second embodiment is with the difference of first embodiment:Fluorescence coating is arranged on side plate and top board, and base plate includes Be symmetrical arranged and downward angle from the horizontal by about 5 degree left bottom plate and right base plate, left bottom plate and right base plate are only Reflecting layer is set.By the setting of the present embodiment, when base plate reflects, its reflected light can deviate LED luminescence units, and it is right to reduce In the influence of LED luminescence unit performances.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Furthermore, it is to be understood that The feature not mutual exclusion of various embodiments described here, and can be deposited during various combinations and transformation .Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the scope of the present invention.Retouched in the present invention Specific features, structure, material or the feature stated can in an appropriate manner be tied in any one or more embodiments or example Close.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations, although with reference to above-described embodiment pair The present invention has been described in detail, and those of ordinary skill in the art should be understood:Still can be to of the invention specific Implementation method is modified or equivalent, and without departing from any modification of spirit and scope of the invention or equivalent, It all should cover in the middle of scope of the presently claimed invention.

Claims (9)

1. a kind of reflection lampshade, including:Rectangle top board, the vertically arranged bar shaped pedestal of top board, for placing multiple LED arranged side by side Luminescence unit;Side wall, its upper end is connected and around top board with top board;Base plate, it is connected with the lower end of the side wall;Its feature It is:The bar shaped pedestal is used to set blue-ray LED luminescence unit;The top board and side wall inner surfaces are respectively provided with reflection Layer;The plate inner surface sets gradually reflecting layer and fluorescence coating from inside to outside, and the fluorescence coating sets fluorescent material, described glimmering Light powder can inspire gold-tinted when by blue light illumination;The base plate along the vertically arranged many rounds of base plate, the hole Aperture is increased successively by the base plate mediad left and right sides.
2. reflection lampshade according to claim 1, it is characterised in that:The side wall includes left side wall, right side wall, front side wall And rear wall.
3. reflection lampshade according to claim 1, it is characterised in that:The bar shaped pedestal is arranged at ceiling center.
4. reflection lampshade according to claim 2, it is characterised in that:What the gross area in the hole accounted for base areas 15% arrives 35%.
5. reflection lampshade according to claim 3, it is characterised in that:The reflectance factor in the reflecting layer is at least 95%.
6. reflection lampshade according to claim 4, it is characterised in that:It is described for reflecting layer be PET reflection film.
7. reflection lampshade according to claim 4, it is characterised in that:The reflecting layer is aluminium film.
8. according to the reflection lampshade of claim 5 or 6, it is characterised in that:The fluorescent material includes YAG fluorescent powder or silicate Fluorescent material.
9. a kind of described reflection lampshade of one of LED street lamp, including the claims, and be arranged in reflection lampshade LED luminescence units.
CN201611171224.4A 2016-12-17 2016-12-17 Reflection lampshade and LED street lamp Pending CN106764927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611171224.4A CN106764927A (en) 2016-12-17 2016-12-17 Reflection lampshade and LED street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611171224.4A CN106764927A (en) 2016-12-17 2016-12-17 Reflection lampshade and LED street lamp

Publications (1)

Publication Number Publication Date
CN106764927A true CN106764927A (en) 2017-05-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611171224.4A Pending CN106764927A (en) 2016-12-17 2016-12-17 Reflection lampshade and LED street lamp

Country Status (1)

Country Link
CN (1) CN106764927A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1870309A (en) * 2005-05-26 2006-11-29 陈隆建 Reflection white-light LED excited by fluorescent powder
CN102506327A (en) * 2011-11-08 2012-06-20 上海亚明灯泡厂有限公司 LED (light emitting diode) area light source module and method for obtaining uniform area light source white light
CN103542280A (en) * 2012-07-09 2014-01-29 Lg伊诺特有限公司 Light emitting apparatus
US20140218940A1 (en) * 2010-10-05 2014-08-07 Intematix Corporation Wavelength conversion component with a diffusing layer
CN104948940A (en) * 2014-03-27 2015-09-30 海洋王(东莞)照明科技有限公司 LED lamp and polarized light reflector thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1870309A (en) * 2005-05-26 2006-11-29 陈隆建 Reflection white-light LED excited by fluorescent powder
US20140218940A1 (en) * 2010-10-05 2014-08-07 Intematix Corporation Wavelength conversion component with a diffusing layer
CN102506327A (en) * 2011-11-08 2012-06-20 上海亚明灯泡厂有限公司 LED (light emitting diode) area light source module and method for obtaining uniform area light source white light
CN103542280A (en) * 2012-07-09 2014-01-29 Lg伊诺特有限公司 Light emitting apparatus
CN104948940A (en) * 2014-03-27 2015-09-30 海洋王(东莞)照明科技有限公司 LED lamp and polarized light reflector thereof

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Application publication date: 20170531