CN201973666U - Four-row seven-line LED (light-emitting diode) polarizing type module lens for street lamp - Google Patents
Four-row seven-line LED (light-emitting diode) polarizing type module lens for street lamp Download PDFInfo
- Publication number
- CN201973666U CN201973666U CN2011200483795U CN201120048379U CN201973666U CN 201973666 U CN201973666 U CN 201973666U CN 2011200483795 U CN2011200483795 U CN 2011200483795U CN 201120048379 U CN201120048379 U CN 201120048379U CN 201973666 U CN201973666 U CN 201973666U
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- exit facet
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- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- 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
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a four-row seven-line LED (light-emitting diode) polarizing type module lens for a street lamp and relates to a lens for an LED lamp. The four-row seven-line LED polarizing type module lens is a platelike body and comprises a plane-shaped bottom surface and a top surface opposite to the bottom surface. The bottom surface is provided with concave pits for installing LEDs, and a four-row seven-line concave pit array is formed. Incident planes of LED light ray are formed on the inner surface of the concave pits. Corresponding to the incident planes, the top surface is provided with respective emergent planes. Lens polarizing bodies with a polarizing effect are formed between the incident planes and the emergent planes. Meanwhile, the emergent planes carry out asymmetric refraction along the short axis directions of the emergent planes, so that rectangular light formed by a light ray emergence angle of 130 to 140 degrees * 80 to 90 degrees is deviated towards one side by 10 to 20 degrees. The four-row seven-line LED polarizing type module lens has the beneficial effects that the uniform rectangular light is formed on a pavement, so that the illuminating quality of a road is improved; the four-row seven-line high-power LED array is adopted to install the lenz, so that the heat dissipation of the lamp is easier to control; and for higher illuminance, a plurality of modules can be designed to be combined for installation, so that the engineering design is simpler.
Description
Technical field
The utility model relates to the lens that are used for the LED lamp, refers to that especially a kind of street lamp is listed as LED polarization type module lens with four rows seven.
Background technology
Along with led light source replaces conventional light source gradually, the advantage of LED lighting is day by day admitted by people, replaces conventional lamp such as LED being used for field of street lamp lighting, can bring many superiority such as improving light efficiency, energy-saving and environmental protection.
But present most LED street lamps are radiated at hot spot on the road surface for circular, also differ greatly with actual requirement along road surface length direction uniform irradiation.Perfect condition is: sprawl as much as possible along link length direction glazed thread, and can be controlled effectively at road width direction glazed thread, uniformity with the illumination that improves the road surface, thereby make the road surface that better illumination brightness be arranged, reduction can reduce the waste of luminous energy in addition because of the underlit traffic accident that causes as far as possible.
The secondary lens that uses on the LED lighting is very big to the quality influence of illumination, and different lens designs produces different illuminating effects.Updating the lens design is to improve one of importance of LED street lighting effect.
Summary of the invention
The utility model is intended to overcome the above-mentioned deficiency of prior art, and meeting the market requirement provides a kind of street lamp to be listed as LED polarization type module lens with four rows seven.Its characteristics:
The rectangular shape of projection shape of hot spot scatters, ray cast angle 80~90 * 130~140 degree, and light concentrates on the road surface;
The illumination projection is even, no hot spot;
A plurality of great power LED sheets are concentrated on the lens, realize modularity production, make light fixture have the illumination desired power simultaneously.
For this reason, a kind of street lamp of the utility model is as follows with the technical scheme of four rows, seven row LED polarization type module lens:
A kind of street lamp of the utility model is a plate body with four rows, seven row LED polarization type module lens, comprises plane bottom surface and the end face relative with the bottom surface;
Be shaped on the bottom surface for LED and be installed on pit in it, described pit forms the arrays of four rows, seven row, and establishing along row's direction is the X-direction of bottom surface, is the Y direction of bottom surface along the direction of row;
The inner surface of described pit forms the plane of incidence of LED light; Corresponding one by one with each plane of incidence, on end face, be shaped on exit facet separately; Form between the plane of incidence and exit facet and have the lens polarizing body of polarisation effect;
The plane of incidence is microscler arc surfaced, and the long axis direction of the plane of incidence is consistent with the X-direction of bottom surface, and the short-axis direction of the plane of incidence is consistent with the Y direction of bottom surface;
Exit facet is the microscler arcwall face that outwards protrudes, and the long axis direction of exit facet is consistent with the Y direction of bottom surface, and the short-axis direction of exit facet is consistent with the X-direction of bottom surface; The curvature of exit facet is symmetric form along its long axis direction, exit facet is the first small curve section near horizontal linear along the stage casing of its long axis direction, exit facet is near the second small curve section of erectting straight line along the two ends of its long axis direction, the first small curve section and the second small curve section connect by the M segmental arc, and causing light is 130~140 degree along the A angle of emergence of exit facet long axis direction; Exit facet is 80~90 degree along the B angle of emergence of its short-axis direction; Thereby form the beam projecting angle of 130~140 degree * 80~90 degree; Simultaneously, exit facet has a protuberance that outwards protrudes along a side of its short-axis direction, making the curvature of exit facet is asymmetric along its short-axis direction, has a longest F light path from the plane of incidence to the exit facet in this protuberance, the angle of described F light path and bottom surface vertical line is that the drift angle is 10~20 degree, thereby the formed rectangular light in beam projecting angle of 130~140 degree * 80~90 degree is spent from 10~20 to a lateral deviation.
Technique scheme is further set forth:
Open system for the seal groove that usefulness is installed, sealing groove semicircular in shape on the cross section on four limits, upper edge, bottom surface.
On end face, be shaped on for the screw hole that usefulness is installed, and this screw hole pierces the bottom surface.
On the bottom surface, be shaped on for the reference column that usefulness is installed.
Described plate body is made of transparent material, as PC etc.
The beneficial effects of the utility model are: one, adopt the plane of incidence and the exit facet of said structure, simultaneously light is carried out asymmetric refraction, obtain an even rectangular light at one lateral deviation, 15 degree angles on the road surface toward the road, increase along the distance of shining on the road direction, the road lighting quality is improved.Its two, light is radiated at the zone that needs illumination, the luminous energy waste is few.Its three since adopted 4 * 7 totally 28 great power LED luminous tube arrays install, the heat radiation of light fixture is better controlled, and can be designed to a plurality of modules for illuminance when higher and make up installation, makes engineering design simpler.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the vertical view (its angle of putting has rotation) of Fig. 1;
Fig. 3 is the upward view (its angle of putting has rotation) of Fig. 1;
Fig. 4 is the C-C generalized section of Fig. 2;
Fig. 5 is the D-D generalized section of Fig. 2.
Among the figure: 1, bottom surface; 2, end face; 3, pit; 4, the plane of incidence; 5, exit facet; 6, the A angle of emergence; 7, the B angle of emergence; 8, the first small curve section; 9, the second small curve section; 10, M segmental arc; 11, protuberance; 12, F light path; 13, drift angle; 14, seal groove; 15, screw hole; 16, reference column.
The specific embodiment
Below, introduce the specific embodiment of the present utility model in conjunction with the accompanying drawings.
To shown in Figure 5, a kind of street lamp of the utility model is a plate body with four rows, seven row LED polarization type module lens as Fig. 1, comprises that plane bottom surface 1 reaches the end face 2 relative with bottom surface 1.
Be shaped on bottom surface 1 for LED and be installed on pit 3 in it, described pit 3 forms the arrays of four rows, seven row, and establishing along row's direction is the X-direction of bottom surface, is the Y direction of bottom surface along the direction of row.
The inner surface of described pit 3 forms the plane of incidence 4 of LED light; Corresponding one by one with each plane of incidence 4, on end face 2, be shaped on exit facet 5 separately; 5 formation of the plane of incidence 4 and exit facet have the lens polarizing body of polarisation effect.
The plane of incidence 4 is microscler arc surfaced, and the long axis direction of the plane of incidence is consistent with the X-direction of bottom surface 1, and the short-axis direction of the plane of incidence is consistent with the Y direction of bottom surface 1.
System is opened for the seal groove 14 that usefulness is installed, sealing groove 14 semicircular in shape on the cross section in four limits, 1 upper edge in the bottom surface.
On end face 2, be shaped on for the screw hole 15 that usefulness is installed, and this screw hole 15 pierces bottom surface 1.
On bottom surface 1, be shaped on for the reference column 16 that usefulness is installed.
Described plate body is made of transparent material, as PC etc.
The above only is preferred embodiment of the present utility model, is not that technical scope of the present utility model is imposed any restrictions.The technical staff of the industry, under the inspiration of the technical program, can make some distortion and revise, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any modification, equivalent variations and modification that embodiment did.
Claims (5)
1. a street lamp is a plate body with four rows, seven row LED polarization type module lens, comprises plane bottom surface and the end face relative with the bottom surface; It is characterized in that:
Be shaped on the bottom surface for LED and be installed on pit in it, described pit forms the arrays of four rows, seven row, and establishing along row's direction is the X-direction of bottom surface, is the Y direction of bottom surface along the direction of row;
The inner surface of described pit forms the plane of incidence of LED light; Corresponding one by one with each plane of incidence, on end face, be shaped on exit facet separately; Form between the plane of incidence and exit facet and have the lens polarizing body of polarisation effect;
The plane of incidence is microscler arc surfaced, and the long axis direction of the plane of incidence is consistent with the X-direction of bottom surface, and the short-axis direction of the plane of incidence is consistent with the Y direction of bottom surface;
Exit facet is the microscler arcwall face that outwards protrudes, and the long axis direction of exit facet is consistent with the Y direction of bottom surface, and the short-axis direction of exit facet is consistent with the X-direction of bottom surface; The curvature of exit facet is symmetric form along its long axis direction, exit facet is the first small curve section near horizontal linear along the stage casing of its long axis direction, exit facet is near the second small curve section of erectting straight line along the two ends of its long axis direction, the first small curve section and the second small curve section connect by the M segmental arc, and causing light is 130~140 degree along the A angle of emergence of exit facet long axis direction; Exit facet is 80~90 degree along the B angle of emergence of its short-axis direction; Thereby form the beam projecting angle of 130~140 degree * 80~90 degree; Simultaneously, exit facet has a protuberance that outwards protrudes along a side of its short-axis direction, making the curvature of exit facet is asymmetric along its short-axis direction, has a longest F light path from the plane of incidence to the exit facet in this protuberance, the angle of described F light path and bottom surface vertical line is that the drift angle is 10~20 degree, thereby the formed rectangular light in beam projecting angle of 130~140 degree * 80~90 degree is spent from 10~20 to a lateral deviation.
2. a kind of street lamp according to claim 1 is characterized in that: open the seal groove of system for installation usefulness on four limits, upper edge, bottom surface, sealing groove semicircular in shape on the cross section with four rows, seven row LED polarization type module lens.
3. a kind of street lamp according to claim 1 is characterized in that: be shaped on end face for the screw hole that usefulness is installed, and this screw hole pierces the bottom surface with four rows, seven row LED polarization type module lens.
4. a kind of street lamp according to claim 1 is characterized in that: be shaped on the bottom surface for the reference column that usefulness is installed with four rows, seven row LED polarization type module lens.
5. a kind of street lamp according to claim 1 is listed as LED polarization type module lens with four rows seven, and it is characterized in that: described plate body is made of transparent material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200483795U CN201973666U (en) | 2011-02-26 | 2011-02-26 | Four-row seven-line LED (light-emitting diode) polarizing type module lens for street lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011200483795U CN201973666U (en) | 2011-02-26 | 2011-02-26 | Four-row seven-line LED (light-emitting diode) polarizing type module lens for street lamp |
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CN201973666U true CN201973666U (en) | 2011-09-14 |
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CN2011200483795U Expired - Fee Related CN201973666U (en) | 2011-02-26 | 2011-02-26 | Four-row seven-line LED (light-emitting diode) polarizing type module lens for street lamp |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013205631A (en) * | 2012-03-28 | 2013-10-07 | Sharp Corp | Lens and illuminating device with the same |
CN105805696A (en) * | 2014-12-30 | 2016-07-27 | 全亿大科技(佛山)有限公司 | Lens, illuminating device provided with lens, and light guiding cover |
-
2011
- 2011-02-26 CN CN2011200483795U patent/CN201973666U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013205631A (en) * | 2012-03-28 | 2013-10-07 | Sharp Corp | Lens and illuminating device with the same |
CN105805696A (en) * | 2014-12-30 | 2016-07-27 | 全亿大科技(佛山)有限公司 | Lens, illuminating device provided with lens, and light guiding cover |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20140226 |