CN104180206A - LED (light-emitting diode) all-around light - Google Patents
LED (light-emitting diode) all-around light Download PDFInfo
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- CN104180206A CN104180206A CN201310198896.4A CN201310198896A CN104180206A CN 104180206 A CN104180206 A CN 104180206A CN 201310198896 A CN201310198896 A CN 201310198896A CN 104180206 A CN104180206 A CN 104180206A
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- led
- light
- housing
- translucent cover
- round
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Abstract
The invention discloses an LED (light-emitting diode) all-around light. Light emitted from an LED light source to a shell can be reflected to a transparent cover by the upper reflecting surface of a reflector, so that brightness in the direction of the transparent cover can be increased by virtue of the light emitted to the shell. In addition, the light emitted from the LED light source can also be reflected to the transparent cover by a lateral reflecting surface. The surface of the transparent cover is spherical, and the light can be converged towards the central position of the transparent cover after being refracted by the transparent cover according to the refraction principle. Moreover, a part of light may be reflected when passing through the transparent cover, so that the light emitted to the transparent cover cannot be totally emitted. The light reflected by the transparent cover can be re-reflected by a lower reflecting surface, and is emitted from the transparent cover. From the above, the light of a light emergent area of the LED all-around light opposite to the transparent cover is intensified, so that dark spots can be effectively avoided.
Description
Technical field
The present invention relates to lighting engineering, particularly relate to a kind of LED all-round light.
Background technology
All-round light refers to the light fixture that can realize all-directional illumination in the scope of 360 degree.LED has the characteristic that beam angle is large, and along with the development of LED technology, it is more and more extensive that LED applies.Because LED has above-mentioned characteristic, LED is widely used in the floodlighting of ring type.But in general LED all-round light, light source led is circle distribution, LED is the side to light fixture just.Therefore, easily cause forming obvious black blackening in the dead ahead of light fixture, thereby affect the illuminating effect of LED all-round light.
Summary of the invention
Based on this, be necessary to provide a kind of LED all-round light that can effectively avoid producing black blackening.
A kind of LED all-round light, comprising:
Housing, is the tubular structure of an end opening, in described housing, is provided with round platform, and the bottom surface that described round platform diameter is larger is fixedly connected with the bottom of described housing, and the axis of described round platform and the dead in line of described housing;
LED assembly, comprises aluminium base and is located at the LED light source on described aluminium base, and described aluminium base is fixed on the side of described round platform and around described round platform setting, described LED light source protrudes from described housing;
Reflector, comprise reflecting surface, lower reflecting surface and connect the lateral reflection face of described upper reflecting surface and described lower reflecting surface, described upper reflecting surface is circulus, described lower reflecting surface is outwardly cambered surface, so that described reflector is the bowl structure of an end opening, the angle of described lateral reflection face and described upper reflecting surface is acute angle, described lateral reflection face is lattice-shaped, on it, offer many spaced bit-avoiding slots, described reflector is sheathed on described round platform and is fixedly connected with described round platform, described LED light source is positioned at described bit-avoiding slot, and protrude from described lateral reflection face, and
Translucent cover, have openend, the surface of described translucent cover is spherical, and described openend is fixedly connected with one end of described shell nozzle, so that form host cavity between described translucent cover and described housing, described LED assembly and described reflector are all contained in described host cavity.
In an embodiment, the surface of described housing is provided with the fin that many spaces arrange therein.
In an embodiment, the side of described round platform is provided with multiple mounting planes therein, and described aluminium base is fixed on described mounting plane.
In an embodiment, the two ends of described mounting plane are provided with spacing preiection therein, and the two ends of described aluminium base are provided with U-lag, and described U-lag and described spacing preiection hold, with spacing described LED assembly.
In an embodiment, described mounting plane is provided with compressing tablet therein, and described compressing tablet pressure holding is in described aluminium base, so that described aluminium base is fixed on described mounting plane.
In an embodiment, also comprise threaded fastener therein, described round platform offers screw away from correspondence on the bottom surface of described housing bottom and described lower reflecting surface, and described threaded fastener coordinates with described screw, so that described reflector is fixed on to described round platform.
In an embodiment, also comprise trim ring therein, the openend of described translucent cover and described trim ring are fixed and glue together, and described trim ring is fixedly connected with one end of described shell nozzle.
In an embodiment, the edge of described trim ring is provided with buckle therein, and described buckle engages with the edge of described translucent cover, so that described translucent cover is fixed on described trim ring.
In an embodiment, the outside of described trim ring is provided with screw thread therein, and the inwall of described shell nozzle one end is also provided with screw thread, and one end of described trim ring and described shell nozzle screws togather, to be fixed on described housing.
In an embodiment, also comprise sealing ring therein, described trim ring is provided with seal groove, and described sealing ring is contained in seal groove, and is held between described trim ring and described housing.
Above-mentioned LED all-round light, the upper reflecting surface of reflector can be by the light reflection of LED light source directive housing to translucent cover, thereby can utilize the light of directive housing to increase the brightness in translucent cover direction.And the light reflection that lateral reflection face also can send LED light source is to translucent cover.Because the surface of translucent cover is spherical, according to refraction principle, light can collect to the center of translucent cover after translucent cover refraction.In addition, reflect because light may have part light when by translucent cover, thereby the light of directive translucent cover can not all be penetrated.The light that lower reflecting surface can be reflected back translucent cover carries out secondary reflection again, and penetrates from translucent cover.In sum, the light in the bright dipping region that above-mentioned LED all-round light is relative with translucent cover is strengthened, thereby can effectively avoid producing black blackening.
Brief description of the drawings
Fig. 1 is the structural representation of LED all-round light in preferred embodiment of the present invention;
Fig. 2 is the cutaway view of LED all-round light shown in Fig. 1;
Fig. 3 is the distribution curve flux figure of LED all-round light shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the LED all-round light 100 in preferred embodiment of the present invention comprises housing 110, LED assembly 120, reflector 130, translucent cover 140, trim ring 150 and sealing ring 160.
Housing 110 is the tubular structure of an end opening.Housing 110 is aluminum alloy die casting, therefore have good heat conductivility and mechanical strength.In the present embodiment, the surface of housing 110 is provided with the fin 114 that many spaces arrange.Fin 114 can increase the relative surface area of housing 110, thereby distributing of accelerated heat improves the heat dispersion of housing.Be appreciated that in other embodiments, in the time that the heat dispersion of housing 110 meets light fixture demand, fin 114 can omit.
In housing 110, be provided with round platform 112, the bottom surface that round platform 112 diameters are larger is fixedly connected with the bottom of housing 110, and the dead in line of the axis of round platform 112 and housing 110.Round platform 112 can be made up of the material identical with housing 110.Round platform 112 is fixed on separately the bottom of housing 110 after moulding again by the mode of welding, also can be one-body molded with housing 110.Wherein, round platform 112 only has part to be contained in housing 110, and one end that round platform 112 diameters are less is positioned at outside housing 110.
LED assembly 120 comprises aluminium base 121 and is located at the LED light source 123 on aluminium base 121.Aluminium base 121 supports LED light source 123, and conducts fast luminous the produced heat of LED light source 123.Aluminium base 121 is fixed on the side of round platform 112 and arranges around round platform 112.Therefore, the light that LED light source 123 sends can annular outgoing, realizes ring.LED light source 123 protrudes from housing 110.Therefore, can prevent that housing 110 from blocking LED light source 123, improve the utilization rate of light.
In the present embodiment, the side of round platform 112 is provided with multiple mounting planes 1121, and aluminium base 121 is fixed on mounting plane 1121.Because mounting plane 1121 is planar structure, therefore can contact with 121 of aluminium bases.Therefore, make to install more stable in, can increase aluminium base 121 and round platform 112 contacts area, thus can be by round platform 112 by heat fast from LED assembly 120 guide housings 110.It is pointed out that in other embodiments, aluminium base 121 also can be directly fixed on the side of round platform 112.
In the present embodiment, the two ends of mounting plane 1121 are provided with spacing preiection (not shown), and the two ends of aluminium base 121 are provided with U-lag 1212.U-lag 1212 holds with spacing preiection, with spacing LED assembly 120.When mounted, only the U-lag 1212 at aluminium base 121 two ends need be fastened in respectively to the location that just can realize LED assembly 120 in spacing preiection, thereby make easy for installation.
Further, mounting plane 1121 is provided with compressing tablet 1123.Compressing tablet 1123 is installed on mounting plane 1121 by screw.Compressing tablet 1123 pressure holdings are in aluminium base 121, so that aluminium base 121 is fixed on mounting plane 1121.It is pointed out that in other embodiments, aluminium base 121 also can be directly by screw thread confine, the mode such as engaging is fixed on mounting plane 1121.
The surface of reflector 130 is coated with reflector layer, thereby can reflect light.Reflector 130 comprises reflecting surface 131, lower reflecting surface 133 and lateral reflection face 135.Lateral reflection face 135 connects upper reflecting surface 131 and lower reflecting surface 133.Upper reflecting surface 131 is circulus, and lower reflecting surface 133 is outwardly cambered surface, so that reflector 130 is the bowl structure of an end opening.Lateral reflection face 135 is lattice-shaped, offers many spaced bit-avoiding slots 1352 on it.Reflector 130 is sheathed on round platform 112 and is fixedly connected with round platform 112.LED light source 123 is positioned at bit-avoiding slot 1352, and protrudes from lateral reflection face 135.Therefore the light that, LED light source 123 sends can be by the surface reflection of reflector 130.
Further, lateral reflection face 135 is acute angle with the angle of upper reflecting surface 131.Therefore, upper reflecting surface 131 can be by the light reflection of LED light source 123 directive housings 110 to translucent cover 140, thereby in improving the utilization rate of light, also can utilize the light of directive housing 110 to increase the brightness in translucent cover 140 directions.
In the present embodiment, round platform 112 offers screw (not shown) on the bottom surface away from housing 110 bottoms, and on lower reflecting surface 133, correspondence offers screw (not shown).Reflector 130 is fixedly connected with round platform 112 by threaded fastener 170.Concrete, threaded fastener 170 is arranged in the screw on round platform 112 bottom surfaces and upper reflecting surface 131, and and screwhole spiro bonding.Therefore, reflector 130 is connected more firm with round platform 112, can prevent in transportation loosening because shaking.It is pointed out that in other embodiments, reflector 130 and round platform 112 also can achieve a fixed connection by the mode such as engaging, screw togather.
Translucent cover 140 is made up of transparent material, is generally glass or polyester material.Translucent cover 140 has openend 141, and openend 141 is fixedly connected with one end of housing 110 openings, so that form host cavity 180 between translucent cover 140 and housing 110.LED assembly 120 and reflector 130 are all contained in host cavity 180, and host cavity 180 has good sealing property, waterproof dustproof, thereby effectively protect its inner electronic component.
The surface of translucent cover 140 is spherical.The light reflection that lateral reflection face 135 also can send LED light source 123 is to the both sides of translucent cover 140.According to refraction principle, the center that light reflects backward translucent cover 140 through translucent cover 140 is collected, thereby can increase and the light quantity of translucent cover 140 opposed area.In addition, part light reflects when by translucent cover 140, thereby the light of directive translucent cover 140 can not all be penetrated.The light that lower reflecting surface 133 can be reflected back translucent cover 140 carries out secondary reflection again, and penetrates from translucent cover 140.
By coordinating of reflector 130 and translucent cover 140, the light that LED assembly 120 is sent carries out luminous intensity distribution again, and the distribution curve flux obtaining as shown in Figure 3.As figure shows, the light of LED all-round light 100 in all directions distributes more even, thereby has effectively avoided producing in field of illumination blackening.
Because the material of translucent cover 140 is general different from housing 110, and translucent cover 140 is frangible, therefore both combinations may be not too tight.If improve the sealing property of host cavity 180, the junction rubber seal by translucent cover 140 with housing 110, makes again translucent cover 140 dismounting inconvenience, is not easy to safeguard.Therefore,, for addressing the above problem, in the present embodiment, translucent cover 140 achieves a fixed connection by trim ring 150 and housing 110.
Trim ring 150 is annular, identical with the material of housing 110.Openend 141 is fixed and glues together with trim ring 150.By gummed, make to be connected closely between trim ring 150 and openend 141.Trim ring 150 is fixedly connected with one end of housing 110 openings.Concrete, the outside of trim ring 150 is provided with screw thread, and the inwall of housing 110 opening one end is also provided with screw thread.Trim ring 150 screws togather with one end of housing 110 openings.Therefore, trim ring 150 achieves a fixed connection by the mode of threaded engagement with housing 110 and housing, thereby makes to connect tightr between the two.In summary, because translucent cover 140 is all connected closely with the junction of housing 110 with junction and the trim ring 150 of trim ring 150, therefore can make the sealing property of host cavity 180 promote.In addition,, in the time that needs are safeguarded LED all-round light 100, trim ring 150 is taken off from housing 110, and will not separate with trim ring 150 by translucent cover 140.
In the present embodiment, the edge of trim ring 150 is provided with buckle 151, and buckle 151 engages with the edge of translucent cover 140, so that translucent cover 140 is fixed on trim ring 150.When translucent cover 140 is installed, only need first edge to be snapped in to buckle 151, then injecting glue sealing, thereby make translucent cover 140 easy for installation.
In the present embodiment, trim ring 150 is provided with seal groove (not shown).Sealing ring 160 is contained in seal groove, and is held between trim ring 150 and described housing 110.Sealing ring 160 is made up of elastomeric material, and pressurized deformable to fill up the gap between trim ring 150 and housing 110, thereby further improves the sealing property of host cavity 180.
It is pointed out that in other embodiments, trim ring 150 can omit, and translucent cover 140 is directly fixedly connected with one end of housing 110 openings.In addition,, in the time that the sealing property of host cavity 180 enough meets requiring of light fixture, sealing ring 160 also can omit.
LED all-round light 100, the upper reflecting surface 131 of reflector 130 can be by the light reflection of LED light source 123 directive housings 110 to translucent cover 140, thereby can utilize the light of directive housing 110 to increase the brightness in translucent cover 140 directions.And the light reflection that lateral reflection face 135 also can send LED light source 123 is to translucent cover 140.Because the surface of translucent cover 140 is spherical, according to refraction principle, light can collect to the center of translucent cover 140 after translucent cover 140 refractions.In addition, reflect because light may have part light when by translucent cover 140, thereby the light of directive translucent cover 140 can not all be penetrated.The light that lower reflecting surface 133 can be reflected back translucent cover 140 carries out secondary reflection again, and penetrates from translucent cover 140.In sum, the light in the bright dipping region that LED all-round light 100 is relative with translucent cover 140 is strengthened, thereby can effectively avoid producing black blackening.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a LED all-round light, is characterized in that, comprising:
Housing, is the tubular structure of an end opening, in described housing, is provided with round platform, and the bottom surface that described round platform diameter is larger is fixedly connected with the bottom of described housing, and the axis of described round platform and the dead in line of described housing;
LED assembly, comprises aluminium base and is located at the LED light source on described aluminium base, and described aluminium base is fixed on the side of described round platform and around described round platform setting, described LED light source protrudes from described housing;
Reflector, comprise reflecting surface, lower reflecting surface and connect the lateral reflection face of described upper reflecting surface and described lower reflecting surface, described upper reflecting surface is circulus, described lower reflecting surface is outwardly cambered surface, so that described reflector is the bowl structure of an end opening, the angle of described lateral reflection face and described upper reflecting surface is acute angle, described lateral reflection face is lattice-shaped, on it, offer many spaced bit-avoiding slots, described reflector is sheathed on described round platform and is fixedly connected with described round platform, described LED light source is positioned at described bit-avoiding slot, and protrude from described lateral reflection face, and
Translucent cover, have openend, the surface of described translucent cover is spherical, and described openend is fixedly connected with one end of described shell nozzle, so that form host cavity between described translucent cover and described housing, described LED assembly and described reflector are all contained in described host cavity.
2. LED all-round light according to claim 1, is characterized in that, the surface of described housing is provided with the fin that many spaces arrange.
3. LED all-round light according to claim 1, is characterized in that, the side of described round platform is provided with multiple mounting planes, and described aluminium base is fixed on described mounting plane.
4. LED all-round light according to claim 3, is characterized in that, the two ends of described mounting plane are provided with spacing preiection, and the two ends of described aluminium base are provided with U-lag, and described U-lag and described spacing preiection hold, with spacing described LED assembly.
5. LED all-round light according to claim 3, is characterized in that, described mounting plane is provided with compressing tablet, and described compressing tablet pressure holding is in described aluminium base, so that described aluminium base is fixed on described mounting plane.
6. LED all-round light according to claim 1, it is characterized in that, also comprise threaded fastener, described round platform offers screw away from correspondence on the bottom surface of described housing bottom and described lower reflecting surface, described threaded fastener coordinates with described screw, so that described reflector is fixed on to described round platform.
7. LED all-round light according to claim 1, is characterized in that, also comprises trim ring, and the openend of described translucent cover and described trim ring are fixed and glue together, and described trim ring is fixedly connected with one end of described shell nozzle.
8. LED all-round light according to claim 7, is characterized in that, the edge of described trim ring is provided with buckle, and described buckle engages with the edge of described translucent cover, so that described translucent cover is fixed on described trim ring.
9. LED all-round light according to claim 7, is characterized in that, the outside of described trim ring is provided with screw thread, and the inwall of described shell nozzle one end is also provided with screw thread, and one end of described trim ring and described shell nozzle screws togather, to be fixed on described housing.
10. LED all-round light according to claim 7, is characterized in that, also comprises sealing ring, and described trim ring is provided with seal groove, and described sealing ring is contained in seal groove, and is held between described trim ring and described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198896.4A CN104180206B (en) | 2013-05-24 | 2013-05-24 | LED all-round light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198896.4A CN104180206B (en) | 2013-05-24 | 2013-05-24 | LED all-round light |
Publications (2)
| Publication Number | Publication Date |
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| CN104180206A true CN104180206A (en) | 2014-12-03 |
| CN104180206B CN104180206B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310198896.4A Expired - Fee Related CN104180206B (en) | 2013-05-24 | 2013-05-24 | LED all-round light |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109084187A (en) * | 2017-06-13 | 2018-12-25 | 财团法人工业技术研究院 | L ED light source module and light irradiation method thereof |
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| CN202708702U (en) * | 2012-07-06 | 2013-01-30 | 杭州意博高科电器有限公司 | Light-emitting diode (LED) lamp capable of illuminating at 360 degrees |
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Patent Citations (5)
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| CN201412716Y (en) * | 2009-06-16 | 2010-02-24 | 华夏防爆电气有限公司 | Explosion isolation and intrinsically safe type LED lighting lamp |
| CN201487619U (en) * | 2009-07-29 | 2010-05-26 | 厦门星际电器有限公司 | Vertical light source for LED lamp |
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| CN101865423A (en) * | 2010-06-30 | 2010-10-20 | 海洋王照明科技股份有限公司 | Reflector and LED lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109084187A (en) * | 2017-06-13 | 2018-12-25 | 财团法人工业技术研究院 | L ED light source module and light irradiation method thereof |
| US10634295B2 (en) | 2017-06-13 | 2020-04-28 | Industrial Technology Research Institute | LED light source module and method for light irradiation thereof |
| CN109084187B (en) * | 2017-06-13 | 2020-05-12 | 财团法人工业技术研究院 | LED light source module and light irradiation method thereof |
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| CN104180206B (en) | 2016-09-07 |
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