CN204084188U - For strip lens and the large-angle LED fluorescent lamp of LED daylight lamp - Google Patents

For strip lens and the large-angle LED fluorescent lamp of LED daylight lamp Download PDF

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Publication number
CN204084188U
CN204084188U CN201420222086.8U CN201420222086U CN204084188U CN 204084188 U CN204084188 U CN 204084188U CN 201420222086 U CN201420222086 U CN 201420222086U CN 204084188 U CN204084188 U CN 204084188U
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lamp
main body
led
angle
strip
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CN201420222086.8U
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李志江
洪余周
张生微
王文杰
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GUANGDONG HERON LIGHTING TECHNOLOGY
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GUANGDONG HERON LIGHTING TECHNOLOGY
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Abstract

The utility model provides a kind of strip lens for LED daylight lamp and large-angle LED fluorescent lamp, and it comprises main body, and main body is strip; The upper surface evagination of the longitudinal section of described strip main body is formed with exit facet, is provided with concave surface in the middle part of exit facet, and the lower surface corresponding concave surface position indent of the longitudinal section of described strip main body is formed with incident chamber, and incident cavity wall is the plane of incidence.By being equipped with above-mentioned strip lens for the LED of LED daylight lamp, make the light of the light source outgoing of placing in the incident chamber of lens easily can obtain at regulation of longitudinal angle the larger light distribution angle being greater than 120 degree through the plane of incidence by the exit facet outgoing of protruding, usually adopt the utility model scheme that light distribution angle can be made to reach 150 degree.Further, the concave surface in the middle part of exit facet can make the light source light that originally middle part is concentrated reflect to surrounding, and then the lighting angle strengthened further after the luminous intensity distribution of lens on light source and peripheral light intensity.

Description

For strip lens and the large-angle LED fluorescent lamp of LED daylight lamp
Technical field
The utility model relates to field of lighting devices, refers in particular to a kind of strip lens for LED daylight lamp and large-angle LED fluorescent lamp.
Background technology
LED daylight lamp has many good qualities relative to traditional fluorescent lighting fixture, and such as luminous efficiency is high, Luminaire efficiency is high, power-efficient is high, the life-span is long, environment friendly and pollution-free, vibration resistance, shock-resistant etc.Therefore, LED daylight lamp replacement conventional fluorescent is imperative.In existing fluorescent lamp, some LED are also had to be the product of light source,
Disclosed on 05 26th, 2010, Chinese patent CN201487650U is exactly a kind of a kind of LED daylight lamp of typical structure, comprise the fluorescent tube be arranged on lamp socket, pcb board in fluorescent tube and on LED, fluorescent tube is covered by the transparent PC of cross section semicircular in shape and the light tight installing plate of cross section semicircular in shape is formed, transparent PC cover and light tight installing plate are fitted together to and are mounted to round tube, light tight installing plate is in the top that transparent PC covers, pcb board be arranged on light tight installing plate and transparent PC cover between junction, above-mentioned fluorescent lamp has and can not produce dazzle, good heat dissipation effect, lighting angle can reach more greatly 120 ° therefore bright dipping easily spread.
But in many LED daylight lamp applications, the application of lamp box, particularly advertising lamp box has its particularity.Different from the common LED daylight lamp applied environment bearing room lighting, in lamp box, LED daylight lamp mainly plays the effect of a backlight, illuminates the poster paper that is placed on lamp box front portion and play displaying effect by luminescence.And along with market at present, to pursue all the more to the thickness of lamp box frivolous, this just means that being supplied to backlight emergent light distance in lamp box is compressed, even if cause the LED daylight lamp that can reach 120 degree of lighting angles as above-mentioned publication outgoing distance also can be answered not enough and can produce the even problem of uneven illumination according to original density of setting.Solved the problem in prior art several means, and the simplest scheme is exactly the problem of the LED daylight lamp density of setting increasing existing application, but can increase cost undoubtedly.In addition also can adopt the structure of the edge-lit of small liquid crystal display, but this kind of infrastructure cost is higher, and its uniform illumination degree can only be applicable to the lamp box use of small size.Have a kind of scheme to be exactly the backlighting technology adopting large-scale liquid crystal display again, in lamp box, be covered with LED, but this cost is very high and completely unnecessary for paper advertisement beyond doubt.Therefore, the demand expanding the LED daylight lamp application of illumination range in a kind of Eco-power organization plan reply small distance is needed in the industry badly.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect, provides a kind of strip lens for LED daylight lamp and the large-angle LED fluorescent lamp that possess large lighting angle.
The purpose of this utility model is achieved in that a kind of strip lens for LED daylight lamp, and it comprises main body, and main body is strip; The upper surface evagination of the longitudinal section of described strip main body is formed with exit facet, is provided with concave surface in the middle part of exit facet, and the lower surface corresponding concave surface position indent of the longitudinal section of described strip main body is formed with incident chamber, and incident cavity wall is the plane of incidence;
In said structure, described incident chamber is tapered; The concave surface minimum point of described main body exit facet and taper incident chamber vertex correspondence are arranged;
In said structure, the lower surface of described main body longitudinal section is provided with scattering surface in both sides, incident chamber; The exit facet of described body upper surface is provided with overlay region in the projection of lower surface and described scattering surface;
In said structure, the lower surface of described main body longitudinal section is provided with plane in both sides, incident chamber, plane is provided with netted lines and forms described scattering surface;
In said structure, the scattering surface of described main body is provided with fixing feet;
In said structure, described cylinder-shaped body edge is provided with extension, and described extension lower surface is provided with chuck.
The utility model additionally provides a kind of large-angle LED fluorescent lamp, and it comprises lamp plate, LED and strip lens described above; Described lamp plate is arranged at intervals with multiple LED, and described strip lens correspondence is arranged in the LED of lamp plate;
In said structure, it also comprises lamp body, lamp holder and driver module; Described drive module setting is in lamp body, and described lamp plate is arranged at lamp body outer surface, and described strip lens established by its outer cover.
In said structure, the LED density of setting at described lamp bar two ends is greater than middle part.
The beneficial effects of the utility model are by being equipped with a kind of special rod lens for LED daylight lamp, thus make the light of the light source outgoing of placing in the incident chamber of lens easily can be obtained the larger light distribution angle being greater than 120 degree by the exit facet outgoing of protruding through the plane of incidence, usually adopt this patent scheme that light distribution angle can be made to reach 150 degree.Further, the concave surface in the middle part of exit facet can make the light source light that originally middle part is concentrated reflect to surrounding, and then the lighting angle strengthened further after the luminous intensity distribution of lens on light source and peripheral light intensity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail
Fig. 1 is a specific embodiment perspective view of the utility model lens;
Fig. 2 is a specific embodiment structure side view of the utility model lens;
Fig. 3 is a specific embodiment structure sectional view of the utility model LED daylight lamp;
Fig. 4 is another specific embodiment structure sectional view of the utility model LED daylight lamp;
Fig. 5 is a specific embodiment stereochemical structure explosive view of the utility model LED daylight lamp;
Fig. 6 is another specific embodiment stereochemical structure explosive view of the utility model LED daylight lamp;
Fig. 7,8 is the illumination resolution chart of the utility model LED daylight lamp.
2-strip lens; 3-lamp plate; 4-LED lamp; 5-lamp body; 6-lamp holder; 7-over cap; 8-driver module; 21-exit facet; The 22-plane of incidence; 23-concave surface; The incident chamber of 24-; 25-fixing feet; 26-extension; 27-scattering surface; 28-chuck; 51-draw-in groove.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to Fig. 1,2, the utility model relates to a kind of strip lens for LED daylight lamp, and it comprises main body, and main body is strip; The upper surface evagination of the longitudinal section of described strip main body is formed with exit facet 21, is provided with concave surface 23 in the middle part of exit facet 21, and the lower surface corresponding concave surface 23 position indent of the longitudinal section of described strip main body is formed with incident chamber 24, and incident chamber 24 inwall is the plane of incidence 22.Thus, this patent lens in use, all luminous intensity distribution can be realized to all light sources be placed in incident chamber 24, the light of each light source outgoing easily can obtain in the longitudinal direction of strip main body the larger light distribution angle being greater than 120 degree through the plane of incidence 22 by exit facet 21 outgoing of protruding, and usually adopts this patent scheme that light distribution angle can be made to reach 150 degree.Further, the concave surface 23 in the middle part of exit facet can make the light source light that originally middle part is concentrated reflect to surrounding, and then the lighting angle strengthened further after the luminous intensity distribution of lens on light source and peripheral light intensity.
As an embodiment, the incident chamber 24 of the longitudinal section of further above-mentioned strip main body is tapered, and concave surface 23 minimum point of main body exit facet 21 and taper incident chamber 24 vertex correspondence are arranged.Taper herein, the shape of pyramid, circular cone or approximate pyramid, circular cone can be adopted according to actual needs, the plane of incidence 22 in its feature mainly incident chamber 24 finally converges or substantially converges at a summit, one can make to be positioned over light source emergent light in incident chamber 24 can better by after the plane of incidence 22 toward horizontal direction luminous intensity distribution, two come conial vertex corresponding with exit facet concave surface 23 arrange then can better by light stronger in the middle part of light source further to periphery luminous intensity distribution, thus supplement the intensity of lighting angle and peripheral light.
As an embodiment, the lower surface in main body longitudinal section is also provided with scattering surface 27 in both sides, incident chamber 24, and the exit facet 21 of body upper surface is provided with overlay region in the projection of lower surface and described scattering surface, and namely exit facet 21 is covered in scattering surface top.The advantage of this kind of structure is, by scattering surface can by arrange in incident chamber 24 light source send according to bottom light again upwards scattering gone out by exit facet 21 luminous intensity distribution again, thus the light intensity of the lower portion effectively utilizing the light source originally wasted to send, guarantee the intensity of luminous intensity distribution further.
As an embodiment, the lower surface of described main body longitudinal section is provided with plane in both sides, incident chamber, plane is provided with netted lines and forms described scattering surface 27.By forming netted lines in the plane thus forming irregular surface in the present embodiment, be conducive to making full use of light and carry out scattering.Netted lines can adopt criss-cross, rhombus or point-like shape etc. as required.Wherein rhombus net trellis lines effect is best.Also striated lines can be adopted in theory to substitute latticed lines and to realize dispersion effect.
As an embodiment, in said structure, the scattering surface 27 of described main body is provided with outstanding fixing feet 25, whole strip lens is arranged at the carrier placing multiple light source by fixing feet 25, on such as lamp plate, thus the degree of depth making light source stretch into incident chamber 24 in strip lens is unified controlled, guarantees the light distribution effect of final wide-angle.
As Fig. 3-4, the utility model also relates to a kind of large-angle LED fluorescent lamp, and it comprises lamp plate 3, LED 4 and the strip lens 2 as above-mentioned feature.Wherein, lamp plate 3 is arranged at intervals with multiple LED 4, strip lens 2 is then that correspondence is arranged in the LED 4 of lamp plate.Thus, the more large at longitudinal direction shooting angle after luminous intensity distribution of the multiple LED be arranged side by side in LED daylight lamp can be made, thus when this kind of large-angle LED fluorescent lamp is applied in ultrathin lamp box, also can reach original illumination requirement without the need to increasing density of setting.In addition, the LED 4 in the present embodiment is not limited to a LED chip, can be the LED 4 of the luminescence group that multiple LED chip is formed as required.
Shown in Fig. 7,8, by adopting said lens in LED daylight lamp, after test, according to (most bright spot brightness value-most dim spot brightness value)/most bright spot brightness value=(10500-9000)/10500=14.3%, light transmittance 60.1%, compare lamp box field customer requirement within 30%, this uniformity fully can meet the application of advertising lamp box as seen.
As an embodiment, above-mentioned large-angle LED fluorescent lamp also comprises lamp body 5, lamp holder 6 and driver module 8.Wherein driver module 8 is arranged in lamp body 5, and described lamp plate 3 is arranged at lamp body 5 outer surface, and it is covered with described strip lens 2.The present embodiment by strip lens 2 piece cover being located at outside lamp plate 3, thus avoids that LED 4 is directly exposed to work outside, achieves LED 4 luminous intensity distribution and plays protection and dustproof effect simultaneously.
As an embodiment, LED 4 density of setting at described lamp bar 3 two ends is greater than middle part.When considering that LED daylight lamp is applied, there is adjacent LED 4 left and right of the LED 4 at middle part, therefore illumination is comparatively even, be in the LED at two ends then because side no longer includes LED 4, if therefore simply equidistant on lamp bar 3, LED daylight lamp both sides dark when LED 4 will certainly bring work is set, the problem that Integral luminous is uneven.For this reason, this patent by strengthening the density of setting of LED 4 at lamp bar 3 two ends, thus overcomes the problems referred to above.
Specific embodiment 1:
As Fig. 3,5 is depicted as a kind of large-angle LED fluorescent lamp that make use of the monolateral luminescence that the art of this patent is made; its lamp body 5 is the nearly semicircle bar shaped aluminium in cross section; driver module 8 is worn in lamp body 5 inside; the surface of lamp body 5 then arranges lamp plate 3; lamp plate 3 is arranged at intervals with LED 4; outside is also covered with strip lens 2, and lamp body 5 two ends then arrange lamp holder 6, also can be lamp holder 6 as required and is socketed an over cap 7 and is protected.
On the whole, conveniently product is installed, and lamp body 5 both sides arrange draw-in groove 51 along its length, and the extension 26 of corresponding strip lens 2 is inwardly provided with chuck 28, and strip lens 2 realizes being connected with lamp body 5 by snap fit fast thus.
Specific embodiment 2:
As Fig. 4,6 is depicted as a kind of large-angle LED fluorescent lamp that make use of the bilateral luminescence that the art of this patent is made, its lamp body 5 is bar shaped aluminium, driver module 8 is worn equally in lamp body 5 inside, lamp body 5 has two surfaces, two best surface opposite are arranged, thus being provided with lamp plate 3 on each surface, lamp plate 3 is arranged at intervals with LED 4, corresponding each lamp plate 3 is outer all arranges a strip lens 2.
On the whole, conveniently product is installed, and lamp body 5 both sides arrange draw-in groove 51 along its length, and the extension 26 of corresponding strip lens 2 is inwardly provided with chuck 28, and strip lens 2 realizes being connected with lamp body 5 by snap fit fast thus.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; the lamp bar quantity that such as can arrange on a lamp body is not limited to the mode of above-mentioned two embodiments; also can multiple lamp bar be set as required on multiple; thus form one can the LED daylight lamp of Omnibearing even luminescence; therefore every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (7)

1. a large-angle LED fluorescent lamp, is characterized in that: it comprises lamp plate, LED and strip lens; Described strip lens comprises main body, and main body is strip; The upper surface evagination of the longitudinal section of described strip main body is formed with exit facet, is provided with concave surface in the middle part of exit facet, and the lower surface corresponding concave surface position indent of the longitudinal section of described strip main body is formed with incident chamber, and incident cavity wall is the plane of incidence; Described lamp plate is arranged at intervals with multiple LED, and the LED density of setting at lamp plate two ends is greater than middle part, and described strip lens correspondence is arranged in the LED of lamp plate.
2. large-angle LED fluorescent lamp as claimed in claim 1, is characterized in that: described incident chamber is tapered; The concave surface minimum point of described main body exit facet and taper incident chamber vertex correspondence are arranged.
3. large-angle LED fluorescent lamp as claimed in claim 1, is characterized in that: the lower surface of described main body longitudinal section is provided with scattering surface in both sides, incident chamber; The exit facet of described body upper surface is provided with overlay region in the projection of lower surface and described scattering surface.
4. large-angle LED fluorescent lamp as claimed in claim 3, is characterized in that: the lower surface of described main body longitudinal section is provided with plane in both sides, incident chamber, plane is provided with netted lines and forms described scattering surface.
5. the large-angle LED fluorescent lamp as described in claim 1-4 any one, is characterized in that: the scattering surface of described main body is provided with fixing feet.
6. large-angle LED fluorescent lamp as claimed in claim 5, it is characterized in that: described body rim is provided with extension, described extension lower surface is provided with chuck.
7. large-angle LED fluorescent lamp as claimed in claim 1, is characterized in that: it also comprises lamp body, lamp holder and driver module; Described drive module setting is in lamp body, and described lamp plate is arranged at lamp body outer surface, and described strip lens established by its outer cover.
CN201420222086.8U 2014-04-30 2014-04-30 For strip lens and the large-angle LED fluorescent lamp of LED daylight lamp Active CN204084188U (en)

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Application Number Priority Date Filing Date Title
CN201420222086.8U CN204084188U (en) 2014-04-30 2014-04-30 For strip lens and the large-angle LED fluorescent lamp of LED daylight lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420222086.8U CN204084188U (en) 2014-04-30 2014-04-30 For strip lens and the large-angle LED fluorescent lamp of LED daylight lamp

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CN204084188U true CN204084188U (en) 2015-01-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103925558A (en) * 2014-04-30 2014-07-16 广东恒润光电有限公司 Strip-shaped lens for LED daylight lamp and large-angle LED daylight lamp
CN105299505A (en) * 2015-10-23 2016-02-03 晶阳照明有限公司 LED lamp filament assembly and illumination device comprising same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103925558A (en) * 2014-04-30 2014-07-16 广东恒润光电有限公司 Strip-shaped lens for LED daylight lamp and large-angle LED daylight lamp
CN105299505A (en) * 2015-10-23 2016-02-03 晶阳照明有限公司 LED lamp filament assembly and illumination device comprising same

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