CN105020678A - Lens unit, lens assembly and street lamp holder - Google Patents
Lens unit, lens assembly and street lamp holder Download PDFInfo
- Publication number
- CN105020678A CN105020678A CN201510472540.4A CN201510472540A CN105020678A CN 105020678 A CN105020678 A CN 105020678A CN 201510472540 A CN201510472540 A CN 201510472540A CN 105020678 A CN105020678 A CN 105020678A
- Authority
- CN
- China
- Prior art keywords
- incidence
- free form
- form surface
- plane
- exit facet
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lens unit, a lens assembly and a street lamp holder. The lens unit comprises an incident plane arranged on the inner side and an emergent face arranged on the outer side. The incident plane is an inwards-concave free curved surface, and the emergent face is an outwards-convex free curved surface; a light beam is incident to the incident plane with a first incident angle being +/-60 degrees in the horizontal X direction and is then refracted with a first refraction angle ranging from -47.3965 degrees to 47.90336 degrees, and the light beam is exited from the incident plane with a first emergent angle ranging from -46.9 degrees to 41.72 degrees in the horizontal X direction; the light beam is incident to the incident plane with a second incident angle being +/-60 degrees in the horizontal Y direction, and is then refracted with a second refraction angle being +/-51.67799 degrees; and the light beam is exited out from the emergent plane with a second emergent angle being +/-63.29 degrees in the horizontal Y direction. The invention further provides the lens assembly with the lens unit, and the street lamp holder with the lens assembly. The lens unit is utilized for carrying out light distribution on the light beam, and therefore light is prevented from being blocked by a base after light distribution; and the light is effectively projected to the road surface, and through the reasonable light distribution angle, the lighting efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of light-distribution lens field, particularly relate to a kind of lens unit, the lens subassembly of multiple lens unit is installed and the road lamp cap of lens unit is installed.
Background technology
LED has the features such as life-span length, power saving, is used widely in recent years.Along with the success of great power LED development, be now applied to gradually in city illumination.Simultaneously also along with the continuous enforcement of National Semiconductor illuminating engineering, National Development and Reform Committee LED road lighting bid project and LED street lamp ten city ten thousand projects, the road illuminating lamps such as LED street lamp are by feat of advantages such as efficient, energy-conservation, high colour developings, and oneself is in popularization and application is thrown light on to city ordinary road gradually.
Secondary optical lens unit is usually equipped with existingly for LED street lamp, scioptics unit can realize rectangular more uniform hot spot distribution and light distribution also distributes comparatively equably, but LED street lamp is when being arranged on roadside, the base of LED street lamp will the output of stop portions light, only the light of some can be irradiated on road, the appearance of the problem such as then cause light inefficiency and light distribution angle is narrower.
Summary of the invention
The first object of the present invention is to provide a kind of light distribution angle rationally and the wide lens unit of light distribution angle.
The second object of the present invention is to provide a kind of light distribution angle rationally and the wide lens subassembly of light distribution angle.
The third object of the present invention be to provide a kind ofly have that light efficiency rate is high, light distribution angle rationally and the wide road lamp cap of light distribution angle.
In order to realize the first object of the present invention, the invention provides a kind of lens unit, lens unit comprises the plane of incidence being arranged on inner side and the exit facet being arranged on outside, the plane of incidence is the free form surface of indent, exit facet is the free form surface of evagination, wherein, the first refractive angle refraction of light beam along horizontal X direction in first incident angles of ± 60 ° in-47.3965 ° to 47.90336 ° to the plane of incidence, light beam is that first angle of emergence of-46.9 ° to 41.72 ° is from exit facet outgoing along horizontal X direction, the free form surface of the plane of incidence and the free form surface of exit facet meet incident light and emergent light luminous intensity distribution condition in the section profile line of horizontal X-X-direction:
Second refraction angle of the second incident angles in ± 51.67799 ° to the plane of incidence that light beam is ± 60 ° along horizontal Y-direction reflects, light beam is that second angle of emergence of ± 63.29 ° is from exit facet outgoing along horizontal Y-direction, X-direction is perpendicular to Y-direction, the free form surface of the plane of incidence is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of exit facet is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of the plane of incidence and the section profile line of the free form surface of exit facet in horizontal Y-Y direction meet incident light and emergent light luminous intensity distribution condition:
From such scheme, incident angle is ± 60 ° and is incident to lens unit by scioptics unit, outside outputting to after twice refraction of the plane of incidence and exit facet, last in X-X direction in-46.9 ° to 41.72 ° angle outgoing with in Y-Y direction in ± 63.29 ° of angle outgoing, make light after luminous intensity distribution, avoid the lattice gear of base, light is projected on road surface effectively, and it improves light efficiency effectively by rational light distribution angle.
Further scheme is, lens unit is provided with lamp pearl mounting groove on the end of the plane of incidence, and the periphery of lamp pearl mounting groove arranges step.
Further scheme is, the both sides of lamp pearl mounting groove are provided with locating slot, and locating slot symmetrically is arranged.
Therefore the mounting groove of scioptics unit and locating slot are that the installation of lamp pearl is more convenient and firm.
In order to realize the second object of the present invention, the invention provides a kind of lens subassembly, lens subassembly comprises multiple lens unit, lens unit comprises the plane of incidence being arranged on inner side and the exit facet being arranged on outside, the plane of incidence is the free form surface of indent, exit facet is the free form surface of evagination, wherein, the first refractive angle refraction of light beam along horizontal X direction in first incident angles of ± 60 ° in-47.3965 ° to 47.90336 ° to the plane of incidence, light beam is that first angle of emergence of-46.9 ° to 41.72 ° is from exit facet outgoing along horizontal X direction, the free form surface of the plane of incidence and the free form surface of exit facet meet incident light and emergent light luminous intensity distribution condition in the section profile line of horizontal X-X-direction:
Second refraction angle of the second incident angles in ± 51.67799 ° to the plane of incidence that light beam is ± 60 ° along horizontal Y-direction reflects, light beam is that second angle of emergence of ± 63.29 ° is from exit facet outgoing along horizontal Y-direction, X-direction is perpendicular to Y-direction, the free form surface of the plane of incidence is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of exit facet is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of the plane of incidence and the section profile line of the free form surface of exit facet in horizontal Y-Y direction meet incident light and emergent light luminous intensity distribution condition:
The emergent ray of multiple lens unit is arranged in the same direction.
From such scheme, by arranging the lens unit arranged on lens subassembly in the same direction, enabling lens subassembly greatly improve light efficiency, then enabling more light be transmitted on road.
Further scheme is, lens subassembly also comprises substrate, and multiple lens unit is arranged on substrate, and multiple lens unit circumferentially distributes equably.
Therefore the lens unit arranged by circumference, can expand range of exposures when enabling light project in the same direction simultaneously.
Further scheme is, lens subassembly also comprises substrate, and multiple lens unit is arranged on substrate, and multiple lens unit radially distributes with being arranged in order.
Therefore, by the lens unit radially distributed, make lens subassembly provide light efficiency ground simultaneously, also further can improve range of exposures and irradiate the uniformity.
In order to realize the third object of the present invention, the invention provides a kind of road lamp cap, comprise top cover, lampshade and lens unit, top cover the first end face is outwardly provided with radiator, top cover the second end face is inwardly provided with multiple LED chip, LED chip is provided with lamp pearl, top cover is arranged on lampshade, lens unit is enclosed within outside lamp pearl, lens unit comprises the plane of incidence being arranged on inner side and the exit facet being arranged on outside, the plane of incidence is the free form surface of indent, exit facet is the free form surface of evagination, wherein, the first refractive angle refraction of light beam along horizontal X direction in first incident angles of ± 60 ° in-47.3965 ° to 47.90336 ° to the plane of incidence, light beam is that first angle of emergence of-46.9 ° to 41.72 ° is from exit facet outgoing along horizontal X direction, the free form surface of the plane of incidence and the free form surface of exit facet meet incident light and emergent light luminous intensity distribution condition in the section profile line of horizontal X-X-direction:
The second refraction angle refraction of light beam along horizontal Y-direction in second incident angles of ± 60 ° in ± 51.67799 ° to the plane of incidence, light beam along horizontal Y-direction in second angle of emergence of ± 63.29 ° from exit facet outgoing, X-direction is perpendicular to Y-direction;
The free form surface of the plane of incidence is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of exit facet is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, and the free form surface of the plane of incidence and the section profile line of the free form surface of exit facet in horizontal Y-Y direction meet incident light and emergent light luminous intensity distribution condition:
From such scheme, incident angle is ± 60 ° and is incident to lens unit by scioptics unit, outside outputting to after twice refraction of the plane of incidence and exit facet, last in X-X direction in-46.9 ° to 41.72 ° angle outgoing with in Y-Y direction in ± 63.29 ° of angle outgoing, make light after luminous intensity distribution, avoid the lattice gear of base, light is projected on road surface effectively, and it improves road lamp cap light efficiency effectively by rational light distribution angle.
Further scheme is, lampshade is made by light transmissive material, and lampshade surrounds container cavity, and the inwall of lampshade is also provided with many first luminous intensity distribution ribs, and the first luminous intensity distribution rib is extended along warp direction, and many first luminous intensity distribution ribs are uniformly distributed along weft direction.
Further scheme is, container cavity is respectively arranged with the first opening and the second opening vertically at both ends, and the first luminous intensity distribution rib extends to the second opening from the first opening.
Therefore, by being provided with the first luminous intensity distribution rib along warp direction on the inwall of lampshade, and multiple luminous intensity distribution groove is provided with on the first luminous intensity distribution rib, and position between adjacent first luminous intensity distribution rib is provided with many second luminous intensity distribution ribs, make light under the luminous intensity distribution effect of luminous intensity distribution rib and pipe arrangement groove, improve luminous intensity distribution performance and the light efficiency performance of lampshade and street lamp, also can improve the aesthetics of street lamp simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure chart under the first visual angle of lens unit embodiment of the present invention.
Fig. 2 is the structure chart under the second visual angle of lens unit embodiment of the present invention.
Fig. 3 is the structure chart under the 3rd visual angle of lens unit embodiment of the present invention.
Fig. 4 is the structure chart after lens unit embodiment of the present invention installs lamp pearl.
Fig. 5 is the sectional view at A-A place in Fig. 4.
Fig. 6 is the light path principle figure at A-A place in Fig. 4.
Fig. 7 is the sectional view at B-B place in Fig. 4.
Fig. 8 is the light path principle figure at B-B place in Fig. 4.
Fig. 9 is the structure chart of lens subassembly first embodiment of the present invention.
Figure 10 is the structure chart of lens subassembly second embodiment of the present invention.
Figure 11 is the structure chart of road lamp cap embodiment of the present invention.
Figure 12 is that road lamp cap embodiment of the present invention is analysing and observe the STRUCTURE DECOMPOSITION figure under visual angle.
Figure 13 is the structure chart of top cover and lens subassembly in road lamp cap embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
Lens unit embodiment:
With reference to Fig. 1, Fig. 2 and Fig. 3, Fig. 1, Fig. 2 and Fig. 3 are the structure chart of lens unit under different visual angles.Lens unit 1 to be made light-distribution lens for transparent material, lens unit 1 comprises the plane of incidence 12 being arranged on inner side and the exit facet 11 being arranged on outside, exit facet 11 is the continuous free form surface of evagination, exit facet 11 comprises the first exit facet 111 and the second exit facet 112, first exit facet 111 and the second exit facet 112 are in arranging along horizontal Y-direction specular, and the projection of the free form surface formation of the first exit facet 111 and the second exit facet 112 rolls towards first of Y-direction and tiltedly arranges.
The plane of incidence 12 is the continuous free form surface of indent, the plane of incidence 12 comprises first plane of incidence 121 and second plane of incidence 122, first plane of incidence 121 and second plane of incidence 122 are in arranging along horizontal Y-direction specular, and the projection of the free form surface formation of first plane of incidence 121 and second plane of incidence 122 rolls towards second of Y-direction and tiltedly arranges.Lens unit 1 is provided with lamp pearl mounting groove 13 on the end of the plane of incidence 12, and in circular groove, ground is arranged lamp pearl mounting groove 13, arranges step 131 in the periphery of lamp pearl mounting groove 13.The both sides of lamp pearl mounting groove 13 are provided with locating slot 132, and locating slot 132 symmetrically is arranged.
With reference to Fig. 4, Fig. 5 and Fig. 6, Fig. 5 is the sectional view at A-A place in Fig. 4, i.e. the sectional view of fluoroscopy units 1 along horizontal X direction at center line A-A place, and Fig. 6 is that Fig. 5 is at A-A place light path principle figure.Lamp pearl mounting groove 13 is provided with lamp pearl 14.
LED luminescence chip is installed in lamp pearl 14, LED luminescence chip is towards the plane of incidence 12 and exit facet 11 towards optical axis Z output beam, the first incidence angle a of light beam along horizontal X direction in ± 60 ° is incident to the plane of incidence 12, reflect in the first refractive angle b of-47.3965 ° to 47.90336 ° subsequently, light beam is that first angle of emergence c of-46.9 ° to 41.72 ° is from exit facet 11 outgoing along horizontal X direction.The free form surface of the plane of incidence 12 and the free form surface of exit facet 11 meet incident light and emergent light luminous intensity distribution condition in the section profile line of horizontal X-X-direction:
According to the luminous intensity distribution condition of upper table, exit facet 11 and the plane of incidence 12 can be calculated by the method for iterative Integral Method by numerical computations at the coordinate value of the structure outline line each point of X-X section, and then with computer aided design software as ZEMAX, lighttools etc., exit facet 11 and the plane of incidence 12 can be generated in whole feature contour parameters of curve of X-X profile direction.
With reference to Fig. 4, Fig. 7 and Fig. 8, Fig. 7 is the sectional view at B-B place in Fig. 4, and namely fluoroscopy units 1 is along the sectional view of horizontal Y-direction at center line B-B place, and Fig. 8 is that Fig. 4 is at B-B place light path principle figure.
LED luminescence chip is towards the plane of incidence 12 and exit facet 11 towards optical axis Z output beam, the second incidence angle d that light beam is ± 60 ° along horizontal Y-direction is incident to the plane of incidence 12, reflect in the second refraction angle e of ± 51.67799 ° subsequently, light beam along horizontal Y-direction in second angle of emergence f of ± 63.29 ° from exit facet 11 outgoing, X-direction is perpendicular to Y-direction.
The free form surface of the plane of incidence 12 is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of exit facet 11 is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, and the free form surface of the plane of incidence 11 and the section profile line of the free form surface of exit facet 12 in horizontal Y-Y direction meet incident light and emergent light luminous intensity distribution condition:
According to the luminous intensity distribution condition of upper table, exit facet 11 and the plane of incidence 12 can be calculated by the method for iterative Integral Method by numerical computations at the coordinate value of the structure outline line each point of Y-Y section, and then with computer aided design software as ZEMAX, lighttools etc., exit facet 11 and the plane of incidence 12 can be generated in whole feature contour parameters of curve of Y-Y profile direction.
Lens subassembly first embodiment:
With reference to the structure chart that Fig. 9, Fig. 9 are lens subassembly first embodiments.Lens subassembly comprises substrate 15, lamp pearl and multiple lens unit 16 be made according to said lens unit embodiment, substrate 15 is arranged circlewise, be electrically connected with multiple lamp pearl on substrate 15, multiple lamp pearl is in circumferentially being uniformly distributed, lens unit 16 is had at lamp pearl overcoat, make lens unit 16 in circumferentially being uniformly distributed, multiple lens unit 16 emergent ray is arranged in the same direction, namely as shown in Figure 9 towards leftwards arranging.
Lens subassembly second embodiment:
With reference to the structure chart that Figure 10, Figure 10 are lens subassembly second embodiments.Lens subassembly comprises substrate 17, lamp pearl and multiple lens unit 18 be made according to said lens unit embodiment, substrate 15 strip tabular ground is arranged, be electrically connected with four lamp pearls on substrate 15, four lamp pearls distribute in X direction with being arranged in order, lens unit 18 is had at lamp pearl overcoat, lens unit 18 is distributed in X direction with being arranged in order, and multiple lens unit 18 emergent ray is arranged in the same direction, i.e. arranging towards right side as shown in Figure 10.
Road lamp cap embodiment:
With reference to the structure chart that Figure 11, Figure 11 are street lamps.Street lamp comprises lamp socket 2, lampshade 3 and top cover 4, and the stiff end of lamp socket 2 is opened for being fixedly connected with lamp stand, and lampshade 3 is arranged on the top of lamp socket 2, and lampshade 3 adopts light transmissive material to be made, and top cover 4 is arranged on the top of lampshade 3.Top cover 4 setting in the form of annular discs, top cover 4 end face is outwardly provided with multi-disc radiating fin 41, and multi-disc radiating fin 41 for initial point is arranged in the shape of a spiral, forms the thermal trough being used for air circulation with the center of top cover 4 between adjacent two panels radiating fin 41.
Reference Figure 12 and Figure 13, Figure 12 are that the exploded view under visual angle analysed and observe by street lamp, and Figure 13 is the structure chart of lens subassembly and top cover.Shape is form container cavity in the middle part of spherical lampshade 3, and container cavity is respectively arranged with the first opening 31 and the second opening 32 vertically at both ends, in the container cavity of lampshade 3, be provided with reflecting component 21, reflecting component 21 in upper end and all uncovered taper in lower end arrange.The outer surface of reflecting component 21 has reflectorized material, and reflecting component 21 is provided with the cavity of hollow vertically, is fixedly connected with lamp socket 2 in the lower end of reflecting component 21.
Top cover 4 is provided with LED chip 42 on the end face towards lampshade 3, the lens subassembly 422 that LED chip 42 comprises substrate 421, is connected to the lamp pearl on substrate and is enclosed within outside lamp pearl, substrate 421 is connected with the end face of top cover 4 towards lampshade 3, lens subassembly 422 is the lens unit assembly be made according to said lens assembly first embodiment, and LED electroluminescent lamp pearl is luminous towards lampshade 3.
The cup-shaped setting of lamp socket 2, is formed with the cavity of depression at the middle part of lamp socket 2, lamp socket 2 is provided with reflecting component 21, stayed mast 22 and power supply module 23.The first end of stayed mast 22 is through reflecting component 21 ground top cover 4 threaded engagement, and the second end of stayed mast 22 is fixedly connected with through reflecting component 21 ground lamp socket 2.
The inwall of street lampshade 3 is also provided with many first luminous intensity distribution ribs 33, first 33, luminous intensity distribution muscle is extended along warp direction X, many the first luminous intensity distribution rib 33 is uniformly distributed along weft direction Y, the cross section of the first luminous intensity distribution rib 33 is V-type, and the outermost end of the first luminous intensity distribution rib 33 is provided with chamfering, and many first luminous intensity distribution ribs 33 extend to the second opening 32 from the first opening 31.
Therefore, incident angle is ± 60 ° and is incident to lens unit by scioptics unit, outside outputting to after twice refraction of the plane of incidence and exit facet, last in X-X direction in-46.9 ° to 41.72 ° angle outgoing with in Y-Y direction in ± 63.29 ° of angle outgoing, make light after luminous intensity distribution, avoid the lattice gear of base, light is projected on road surface effectively, and it improves light efficiency effectively by rational light distribution angle.
Claims (9)
1. lens unit, described lens unit comprises the plane of incidence being arranged on inner side and the exit facet being arranged on outside, and the described plane of incidence is the free form surface of indent, and described exit facet is the free form surface of evagination,
It is characterized in that:
The first refractive angle refraction of light beam along horizontal X direction in first incident angles of ± 60 ° in-47.3965 ° to 47.90336 ° to the described plane of incidence, light beam along horizontal X direction in first angle of emergence of-46.9 ° to 41.72 ° from described exit facet outgoing, the free form surface of the described plane of incidence and the free form surface of described exit facet meet incident light and emergent light luminous intensity distribution condition in the section profile line of horizontal X-X-direction:
Light beam along horizontal Y-direction in second incident angles of ± 60 ° to the second refraction angle refraction in ± 51.67799 ° after the described plane of incidence, light beam along horizontal Y-direction in second angle of emergence of ± 63.29 ° from described exit facet outgoing, described X-direction is perpendicular to described Y-direction;
The free form surface of the described plane of incidence is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of described exit facet is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, and the free form surface of the described plane of incidence and the section profile line of the free form surface of described exit facet in horizontal Y-Y direction meet incident light and emergent light luminous intensity distribution condition:
2. lens unit according to claim 1, is characterized in that:
Described lens unit is provided with lamp pearl mounting groove on the end of the described plane of incidence, and the periphery of described lamp pearl mounting groove arranges step.
3. lens unit according to claim 2, is characterized in that:
The both sides of described lamp pearl mounting groove are provided with locating slot, and described locating slot symmetrically is arranged.
4. lens subassembly, described lens subassembly comprises multiple lens unit, and described lens unit comprises the plane of incidence being arranged on inner side and the exit facet being arranged on outside, and the described plane of incidence is the free form surface of indent, and described exit facet is the free form surface of evagination,
It is characterized in that:
The first refractive angle refraction of light beam along horizontal X direction in first incident angles of ± 60 ° in-47.3965 ° to 47.90336 ° to the described plane of incidence, light beam along horizontal X direction in first angle of emergence of-46.9 ° to 41.72 ° from described exit facet outgoing, the free form surface of the described plane of incidence and the free form surface of described exit facet meet incident light and emergent light luminous intensity distribution condition in the section profile line of horizontal X-X-direction:
Light beam along horizontal Y-direction in second incident angles of ± 60 ° to the second refraction angle refraction in ± 51.67799 ° after the described plane of incidence, light beam along horizontal Y-direction in second angle of emergence of ± 63.29 ° from described exit facet outgoing, described X-direction is perpendicular to described Y-direction;
The free form surface of the described plane of incidence is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of described exit facet is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, and the free form surface of the described plane of incidence and the section profile line of the free form surface of described exit facet in horizontal Y-Y direction meet incident light and emergent light luminous intensity distribution condition:
The emergent ray of multiple lens unit is arranged in the same direction.
5. described lens subassembly according to claim 4, is characterized in that:
Described lens subassembly also comprises substrate, and multiple lens unit is arranged on the substrate, and multiple described lens unit circumferentially distributes equably.
6. described lens subassembly according to claim 4, is characterized in that:
Described lens subassembly also comprises substrate, and multiple lens unit is arranged on the substrate, and multiple described lens unit distributes along described X-direction with being arranged in order.
7. road lamp cap, comprises
Top cover, described top cover the first end face is outwardly provided with radiator, described top cover the second end face is inwardly provided with multiple LED chip, described LED chip is provided with lamp pearl;
Lampshade, described top cover is arranged on described lampshade;
Lens unit, described lens unit is enclosed within outside described lamp pearl, and described lens unit comprises the plane of incidence being arranged on inner side and the exit facet being arranged on outside, and the described plane of incidence is the free form surface of the free form surface of indent, the evagination of described exit facet,
It is characterized in that:
The first refractive angle refraction of light beam along horizontal X direction in first incident angles of ± 60 ° in-47.3965 ° to 47.90336 ° to the described plane of incidence, light beam along horizontal X direction in first angle of emergence of-46.9 ° to 41.72 ° from described exit facet outgoing, the described plane of incidence is that the free form surface of free form surface and described exit facet meets incident light and emergent light luminous intensity distribution condition in the section profile line of horizontal X-X-direction:
Light beam along horizontal Y-direction in second incident angles of ± 60 ° to the second refraction angle refraction in ± 51.67799 ° after the described plane of incidence, light beam along horizontal Y-direction in second angle of emergence of ± 63.29 ° from described exit facet outgoing, described X-direction is perpendicular to described Y-direction;
The free form surface of the described plane of incidence is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, the free form surface of described exit facet is arranged along optical axis symmetrically at the section profile line of horizontal X-X-direction, and the free form surface of the described plane of incidence and the section profile line of the free form surface of described exit facet in horizontal Y-Y direction meet incident light and emergent light luminous intensity distribution condition:
8. road lamp cap according to claim 7, is characterized in that:
Described lampshade is made by light transmissive material, described lampshade surrounds container cavity, the inwall of described lampshade is also provided with many first luminous intensity distribution ribs, and described first luminous intensity distribution rib is extended along warp direction, and many described first luminous intensity distribution ribs are uniformly distributed along weft direction.
9. road lamp cap according to claim 8, is characterized in that:
Described container cavity is respectively arranged with the first opening and the second opening vertically at both ends, described first luminous intensity distribution rib extends to described second opening from described first opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472540.4A CN105020678B (en) | 2015-08-04 | 2015-08-04 | Lens unit, lens subassembly and road lamp cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472540.4A CN105020678B (en) | 2015-08-04 | 2015-08-04 | Lens unit, lens subassembly and road lamp cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020678A true CN105020678A (en) | 2015-11-04 |
| CN105020678B CN105020678B (en) | 2017-10-13 |
Family
ID=54410849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510472540.4A Active CN105020678B (en) | 2015-08-04 | 2015-08-04 | Lens unit, lens subassembly and road lamp cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105020678B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI684803B (en) * | 2019-08-16 | 2020-02-11 | 賀喜能源股份有限公司 | Lens, light emitting element, and street light |
| CN111457325A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to wide-path and large-space working condition |
| CN111457322A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to narrow-road single-side working condition |
| CN111457324A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to main road working condition |
| CN111457323A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to wide-road working condition |
| CN112984415A (en) * | 2021-02-25 | 2021-06-18 | 江苏大学 | LED lamp polarizing lens structure and LED warehouse shelf lamp |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011055941A2 (en) * | 2009-11-04 | 2011-05-12 | 주식회사 아주광학 | Lens for an led lamp, capable of implementing light distribution as desired |
| US20110123536A1 (en) * | 2007-03-22 | 2011-05-26 | Urrma R&D | Novel human anti-r7v antibodies and uses thereof |
| EP2426521A2 (en) * | 2010-09-06 | 2012-03-07 | Samsung LED Co., Ltd. | Optical lens and light source module, and street lamp having the same |
| CN202613315U (en) * | 2012-05-30 | 2012-12-19 | 深圳市汉鼎能源科技有限公司 | Light distribution lens of LED streetlamp |
| CN103644532A (en) * | 2013-12-16 | 2014-03-19 | 宜兴市宏力灯杆灯具有限公司 | Method and device for greatly increasing irradiation range of street lamp |
| CN104214592A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | LED navigational lamp |
| CN104456285A (en) * | 2013-09-17 | 2015-03-25 | 三星琉璃工业株式会社 | Outdoor LED (light-emitting diode) lighting apparatus |
| CN204756787U (en) * | 2015-08-04 | 2015-11-11 | 珠海金晟照明科技有限公司 | Lens unit , lens subassembly and street lamp lamp holder |
-
2015
- 2015-08-04 CN CN201510472540.4A patent/CN105020678B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110123536A1 (en) * | 2007-03-22 | 2011-05-26 | Urrma R&D | Novel human anti-r7v antibodies and uses thereof |
| WO2011055941A2 (en) * | 2009-11-04 | 2011-05-12 | 주식회사 아주광학 | Lens for an led lamp, capable of implementing light distribution as desired |
| EP2426521A2 (en) * | 2010-09-06 | 2012-03-07 | Samsung LED Co., Ltd. | Optical lens and light source module, and street lamp having the same |
| CN202613315U (en) * | 2012-05-30 | 2012-12-19 | 深圳市汉鼎能源科技有限公司 | Light distribution lens of LED streetlamp |
| CN104214592A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | LED navigational lamp |
| CN104456285A (en) * | 2013-09-17 | 2015-03-25 | 三星琉璃工业株式会社 | Outdoor LED (light-emitting diode) lighting apparatus |
| CN103644532A (en) * | 2013-12-16 | 2014-03-19 | 宜兴市宏力灯杆灯具有限公司 | Method and device for greatly increasing irradiation range of street lamp |
| CN204756787U (en) * | 2015-08-04 | 2015-11-11 | 珠海金晟照明科技有限公司 | Lens unit , lens subassembly and street lamp lamp holder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI684803B (en) * | 2019-08-16 | 2020-02-11 | 賀喜能源股份有限公司 | Lens, light emitting element, and street light |
| CN111457325A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to wide-path and large-space working condition |
| CN111457322A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to narrow-road single-side working condition |
| CN111457324A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to main road working condition |
| CN111457323A (en) * | 2020-05-01 | 2020-07-28 | 珠海金晟照明科技有限公司 | Lens unit, lens assembly and street lamp cap applied to wide-road working condition |
| CN112984415A (en) * | 2021-02-25 | 2021-06-18 | 江苏大学 | LED lamp polarizing lens structure and LED warehouse shelf lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105020678B (en) | 2017-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105020678A (en) | Lens unit, lens assembly and street lamp holder | |
| TWI512237B (en) | Lighting system | |
| CN203731285U (en) | Lens of LED (light emitting diode) street lamp used with LED light source provided with primary lens | |
| CN101687473B (en) | An improved led device for wide beam generation and method of making the same | |
| CN110325787B (en) | Luminaire with light guide | |
| CN103225785A (en) | Lens and omnidirectional illumination device with same | |
| RU2539580C2 (en) | Electric lamp | |
| JP6072785B2 (en) | Optical waveguide | |
| US10288261B2 (en) | Low profile lighting module | |
| JP6118317B2 (en) | Optical waveguide | |
| CN212204406U (en) | Lens unit, lens assembly and street lamp cap applied to wide-path and large-space working condition | |
| CN212204404U (en) | Lens unit, lens assembly and street lamp cap applied to main road working condition | |
| CN103615693A (en) | Reflecting type LED automotive headlamp | |
| JP2012182117A (en) | Tubular lighting fixture, casing for tubular lighting fixture and both-side inner illumination-type signboard | |
| CN111457325A (en) | Lens unit, lens assembly and street lamp cap applied to wide-path and large-space working condition | |
| US10295151B2 (en) | Optical member for spot flood lights | |
| JP2016514885A (en) | Lighting device and lighting fixture | |
| KR20130081171A (en) | Optimized lens of uniformity and loss for led source | |
| CN211780870U (en) | Lens unit, lens assembly and street lamp cap applied to wide-road working condition | |
| CN204756787U (en) | Lens unit , lens subassembly and street lamp lamp holder | |
| CN111457324A (en) | Lens unit, lens assembly and street lamp cap applied to main road working condition | |
| TWI418741B (en) | Lighting device | |
| CN108302447B (en) | Direct-injection type automobile headlamp module and automobile headlamp | |
| CN111457323A (en) | Lens unit, lens assembly and street lamp cap applied to wide-road working condition | |
| US9182102B2 (en) | Reflector having reflection pattern for compensating for lighting characteristic of LED package and LED lamp including the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |