CN203784826U

CN203784826U - Structure with two layers of ribbed lenses and LED lamp tube adopting structure

Info

Publication number: CN203784826U
Application number: CN201420128573.8U
Authority: CN
Inventors: 唐丹天
Original assignee: BEIJING XINTIAN HEYI ELECTROMECHANICAL EQUIPMENT INSTALLATION ENGINEERING Co Ltd
Current assignee: Beijing Xintian Heyi Optoelectronics Technology Co ltd
Priority date: 2014-03-18
Filing date: 2014-03-18
Publication date: 2014-08-20
Anticipated expiration: 2024-03-18

Abstract

The utility model provides a structure with two layers of ribbed lenses and an LED lamp tube adopting the structure. The structure comprises a first ribbed lens and a second ribbed lens, wherein the first ribbed lens is provided with a first ribbed pattern; the second ribbed lens is arranged below the first ribbed lens and parallel to the first ribbed lens; a second ribbed pattern is formed on the upper surface of the second ribbed lens; the first ribbed pattern as well as the second ribbed pattern consists of a plurality of grooves which extend in the longitudinal direction and have triangular cross sections; the number of the first grooves are smaller than that of the second grooves; a cover is connected to sides of the first ribbed lens and second ribbed lens; the first ribbed lens, the second ribbed lens and the transparent cover are integrally formed; the first ribbed pattern of the first ribbed lens is opposite to the second ribbed pattern of the second ribbed lens. The LED lamp tube comprises the two layers of ribbed lenses, LED light sources, a radiating and supporting structure, and an edge seal structure. Through the adoption of the two layers of ribbed lenses and the LED lamp tube adopting the two layers of ribbed lenses, problems that an existing LED lamp tube is high in power consumption and is likely to generate glare, are solved; the LED lamp tube can emit soft light and is beautiful in appearance.

Description

A kind of double-deck rib lens construction and the LED fluorescent tube that uses it

Technical field

The utility model relates to LED lighting technical field, in particular to a kind of double-deck rib lens construction and the LED fluorescent tube that uses it.

Background technology

Under the condition of the room lighting in past, fluorescent tube is the main lighting source of consumption maximum, has in history multiple fluorescent tube, and the fluorescent tube of 1.2 meters of length of take is example, has the T10 pipe of 40W, and the T8 pipe of 36W and the T5 of 28W manage.Along with scientific and technological development with for the needs of energy-saving and emission-reduction, people start extensively to manufacture take fluorescent tube that LED new type light source is illuminator to substitute traditional tube.Also the LED fluorescent tube of 1.2 meters of length of take is example, generally usings LED fluorescent tube the substituting as fluorescent tube of 15-20W.Although LED fluorescent tube can reduce power consumption, due to the defect of its structure and formation, still can bring a lot of problems.

The common LED fluorescent tube of Vehicles Collected from Market mainly contains fluorescent tube and the translucent mask LED fluorescent tube of the exposed LED form of translucent cover, and its feature and drawback are expressed as follows.

1) for the LED fluorescent tube of the form of the exposed LED of translucent cover.Comprise transparent plastic tube and LED light source.The luminous component of the LED fluorescent tube of this form adopts transparent plastic tube-shape section bar manufacture.But there is following problem in it:

First, owing to being the fluorescent tube of LED naked form, so LED chip luminous unobstructed, without optics reprocessing ground, directly project to lighting space.The LED chip of linear array has just formed a strong illuminator, very dazzling, namely produces strong dazzle or light pollution.Secondly, the luminous dispersion angle of LED chip is 130-140 °, the illumination angle of coverage of the LED light of so making is 130-140 °, can not play well the effect of space illumination, because good space illumination needs fluorescent tube to form the lighting angle of 150-170 °.This angle makes fluorescent tube can not utilize well the reflector of original light fixture to carry out luminous reprocessing simultaneously.Finally, the LED fluorescent tube outward appearance of this form is simple and crude vulgar, does not meet aesthetic requirement.

2) translucent mask LED fluorescent tube, can carry out the form of sheen in fact, and this fluorescent tube has translucent mask, and namely lamp luminescence partly adopts the manufacture of translucent plastic tube-shape section bar.But there is following problem in this LED fluorescent tube:

First, for avoiding the glare problem of above-mentioned exposed LED chip production method, adopt translucent plastic tubing to carry out sheen processing.Glare problem luminous form also convergence and the conventional fluorescent fluorescent tube more of fluorescent tube have simultaneously been solved.But the light loss of translucent mask is very high, often surpass 30%, what even have will surpass 50%.Do not bring into play whole effect of LED energy-saving and emission-reduction.Secondly, because of the light loss of translucent lampshade serious, need to increase LED general power so that the luminous flux needing to be provided, but when LED power is high, caloric value is just large, effect with same volume radiator heat-dissipation is often bad, cause often only have 10000 hours the service life of LED fluorescent tube, cannot reach the LED light source theoretical life-span of 50000 hours.Finally, fluorescent tube be take the downward luminous interior space that illuminates of ceiling top installation as main application, because the luminous of LED itself is 130-140 °, fluorescent tube adds after translucent shell, the luminous of fluorescent tube will be much larger than 180 °, generally to arrive approximately 270 °, the light outside following 180 ° of fluorescent tube all become waste without using up, projection downwards and become useful light again after need to collecting with the reflector of light fixture.But the Grille lamp being generally replaced, effective collection utilization rate of this part light is less than 30% often, causes the waste of luminous energy.

At present, existing LED fluorescent tube can not reduce power consumption to greatest extent, can not form optimal illumination effect, can not guarantee to greatest extent service life.

Utility model content

, the easily problem such as dazzle and propose the utility model large for LED fluorescent tube power consumption in correlation technique, for this reason, the LED fluorescent tube that main purpose of the present utility model is to provide a kind of double-deck rib camera lens and uses it, one of to address the above problem at least.

The utility model proposes a kind of double-deck rib lens construction, double-deck rib lens construction comprises: the first rib camera lens, the lower surface of the first rib camera lens has the first rib, and the first rib is that leg-of-mutton a plurality of the first groove forms by, cross section extending longitudinally along it; The second rib camera lens, the second rib camera lens is positioned at the first preset distance place and parallel with the first rib camera lens, rib camera lens below, the upper surface of the second rib camera lens has the second rib, the second rib is that leg-of-mutton a plurality of the second groove forms by, cross section extending longitudinally along it, and the quantity of the first groove is less than the quantity of the second groove; Outer cover, outer cover connects the side of the first rib camera lens and the side of the second rib camera lens, and the first rib camera lens, the second rib camera lens and outer cover be integrated, and outer cover is transparent; Wherein, the second rib of the first rib of the first rib camera lens and the second rib camera lens arranges in opposite directions, the first rib be positioned at the first rib camera lens towards LED light source one side, and the second rib be positioned at the second rib camera lens back to LED light source one side.

Wherein, the first rib camera lens is less than the width of the second rib camera lens, outer cover form crooked cylindrical-shaped structure to connect successively the first side of the second rib camera lens, the second side of the first side of the first rib camera lens, the first rib camera lens, the second side of the second rib camera lens.

Wherein, under the first rib camera lens, along the distance between edge to the second rib camera lens, be 3-6mm, be preferably 6mm.

Wherein, the shape of the cross section of a plurality of the first grooves is identical with the shape of the cross section of a plurality of the second grooves, and is isosceles triangle.

Wherein, the cup depth of the first groove is at least 0.4mm, and between the base of two adjacent notches of the first groove, the width between width and the top margin of two adjacent notches is all at least 1mm; The cup depth of the second groove is at least 0.4mm, and the width between the width between the base of two adjacent notches of the second groove and the deckle of two adjacent notches is all at least 1mm; The first rib camera lens has at least 17 grooves, and beam overall is at least 17mm, and the second rib camera lens has at least 23 grooves, and beam overall is at least 23mm.

Wherein, outer cover extends and curves inwardly to the second rib camera lens down either side, forms the protuberance to inner process, to form the smooth connection without rat with the structure of fixed L ED light source.

The utility model also proposes a kind of LED fluorescent tube, comprise above-mentioned double-deck rib lens construction, LED fluorescent tube also comprises: LED light source structure, and be positioned at double-deck rib lens construction below and be fixed to outer cover, LED light source structure comprises a plurality of LED along longitudinal equidistant arrangement of double-deck rib camera lens; Be positioned at a plurality of LED below and be fixed to heat radiation and the supporting construction of outer cover; Border seal structure, covers and seals the longitudinal edge of double-deck rib lens construction and the longitudinal edge of LED light source structure.

Wherein, outer cover comprises the outer cover back that is positioned at LED light source structure below, and outer cover back is semi-cylindrical.

Wherein, heat radiation and supporting construction are the structures of aluminium base.

By technique scheme of the present utility model, the LED fluorescent tube that proposes a kind of double-deck rib camera lens and use it, can solve the problem of large, the easy dazzle of existing LED fluorescent tube power consumption, and luminous soft, appearance looks elegant.

Other features and advantages of the utility model will be set forth in the following description, and, partly from description, become apparent, or understand by implementing the utility model.The purpose of this utility model and other advantages can be realized and be obtained by specifically noted structure in the description write, claims and accompanying drawing.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 is according to the sectional view of the double-deck rib camera lens of the utility model preferred embodiment;

Fig. 2 is according to the schematic perspective view of the double-deck rib camera lens of the utility model preferred embodiment;

Fig. 3 is according to the sectional view of the LED fluorescent tube of the utility model preferred embodiment;

Fig. 4 is according to the schematic perspective view of the LED fluorescent tube of the utility model preferred embodiment;

Fig. 5 is according to the schematic diagram of two of the LED light source of the utility model preferred embodiment kinds of arrangement modes.

The specific embodiment

Functional overview

In the utility model embodiment, provide a kind of double-deck rib camera lens to construct and use the technical scheme of the LED fluorescent tube of this camera lens, in this implementation, use a kind of novel double-deck rib lens arrangement to realize the illumination of LED fluorescent tube, can realize by installing optical lens additional in fluorescent tube inside and carry out optical treatment, realize softer, more energy-conservation LED fluorescent tube.

It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.

Wherein, it should be understood that, in the utility model " on ", D score, " end ", " longitudinally " etc. represent its relative position, the not restriction certain to it.

Fig. 1 is according to the sectional view of the double-deck rib camera lens of the utility model preferred embodiment, and Fig. 2 is according to the schematic perspective view of the double-deck rib camera lens of the utility model preferred embodiment.Double-deck rib lens construction comprises: the first rib camera lens 11, be preferably rectangle, and on its basal surface, there is the first rib, the first rib is that leg-of-mutton many grooves form by the cross section extending longitudinally along camera lens; The second rib camera lens 12, be preferably rectangle, it is positioned at the preset distance place of the first rib camera lens 11 belows and parallel with the first rib camera lens 11, and the upper surface of the second rib camera lens 12 also has the second rib, and the second rib is that many grooves of triangle form along the cross section extending longitudinally of camera lens.Double-deck rib lens construction also comprises outer cover 13, and it is one-body molded that outer cover 13 connects the side of the first rib camera lens 11 and the side of the second rib camera lens 12 and the first rib camera lens 11, the second rib camera lens 13 and outer cover 13, and outer cover 13 is transparent.Wherein, the second rib of the first rib of the first rib camera lens and the second rib camera lens arranges in opposite directions, the first rib be positioned at the first rib camera lens towards LED light source one side, and the second rib be positioned at the second rib camera lens back to LED light source one side.The shape of the cross section of a plurality of the first grooves is identical with the shape of the cross section of a plurality of the second grooves, and is isosceles triangle.The cup depth of the first groove is at least 0.4mm, and the width between the width between the base of two adjacent notches of the first groove and the top margin of two adjacent notches is all at least 1mm; The cup depth of the second groove is at least 0.4mm, and the width between the width between the base of two adjacent notches of the second groove and two adjacent notches top margins is all at least 1mm; The first rib camera lens has at least 17 grooves, and beam overall is at least 17mm, and the second rib camera lens has at least 23 grooves, and beam overall is at least 23mm.Certainly, above data are only a more excellent embodiment, the cup depth of groove also can be less than 0.4mm, for example 0.1mm, 0.2mm, 0.3mm, or be greater than 0.4mm, such as 0.5mm, 0.6mm, 0.7mm etc., width between base and between top margin also can be less than 1mm, such as 0.5mm, 0.6mm, 0.8mm, 0.9mm etc., also can be greater than 1mm, such as 1.2mm, 1.5mm, 1.7mm etc.The quantity of the first rib camera lens can be also 12,14,15,19,20,24, and the quantity of the second rib camera lens can be also 20,21,22,26,29 etc.

As shown in the figure, the width of the first rib camera lens 11 to the second rib camera lenses 12 is less, outer cover 13 forms crooked cylindrical-shaped structure, for example cross section is the different convex structure of radius, to connect successively the first side of the second rib camera lens 12, the second side of the first side of the first rib camera lens 11, the first rib camera lens 11, the second side of the second rib camera lens 12.The radius of the outer cover between two sides of the first rib camera lens 11 is greater than the radius of the outer cover between the first rib camera lens 11 and the second rib camera lens 12, for example the section radius of the outer cover between the first rib camera lens 11 and the second rib camera lens 12 is 11.7mm, and the section radius of the outer cover between two sides of the first rib camera lens 11 is 12.5mm.And, between rib camera lens, must keep certain distance to utilize the optically focused of rib camera lens to make the light intensity in order to keep fluorescent tube to irradiate, under the first rib camera lens, along the distance between edge to the second rib camera lens, be 3-6mm, for example 5.5mm, or 6mm.

Outer cover 13 extends and curves inwardly to the second rib camera lens 12 down either side, forms the protuberance 14 to inner process.Distance between protuberance 14 and the second rib camera lens 12 is very little, to become the smooth connection without rat with the metal backing hull shape of fixed L ED light source.

First, second rib camera lens convex-concave cross section is not limited to the high triangle convex-concave cross section of 0.4mm at the bottom of above-mentioned 1mm, the effect of triangular-section convex-concave rib is to utilize the refraction principle of prism that light is departed to refraction to both sides, in the situation that keeping high transmission rate, play sheen effect, and form good illuminating effect with twice refraction sheen.First, second rib camera lens need to keep certain distance, and two camera lens spacing are not limited to preferred 6mm, and between optional 3-6mm, any spacing and two rib camera lenses must keep relation in opposite directions.To sum up, the application adopts double-deck rib camera lens to arrange in opposite directions to carry out twice refraction sheen, take transparent outer cover as protection and the light fixture optical design that is connected two-stage camera lens.

The utility model also provides a kind of LED fluorescent tube, as shown in Figure 3 and Figure 4, is the stereogram of LED fluorescent tube of the present utility model as shown in Figure 3, and Fig. 4 is according to the schematic perspective view of the LED fluorescent tube of the utility model preferred embodiment.This LED fluorescent tube comprises above double-deck rib lens construction, LED fluorescent tube also comprises: LED light source structure (not shown), be positioned at double-deck rib lens construction below and be fixed to outer cover downside, LED light source structure comprises a plurality of LED along the longitudinal arrangement of double-deck rib camera lens, be positioned at a plurality of LED below and be fixed to heat radiation and the supporting construction 31 of outer cover, aluminium base for example, it can be by the one-body molded cover part that is fixed to; Border seal is constructed (not shown), covers the longitudinal edge of double-deck rib lens construction longitudinal edge and LED light source structure.

Outer cover is also included in the outer cover back 32 of LED light source structure below, and outer cover back is semi-cylindrical, and radius is slightly larger than the radius of the circular arc of double-deck rib lens construction top, for example, be 13mm.

As seen from the figure, add the rib camera lens of double-deck strip above the LED chip of linear array, the rib of rib mirror to parallel, is all-transparent tubular plastic section bar with fluorescent tube length outside rib camera lens.This principle of luminosity is the double action of utilizing rib camera lens astigmatism, optically focused, sees through that rib camera lens is broken up and to both sides broadening by LED chip is luminous.For solving individual layer rib camera lens, be not enough to well eliminate the problem of disability glare and keep fluorescent tube illumination intensity.And rib camera lens and fluorescent tube transparent housing are plastic material, plastic material can be selected PMMA, PC, the PVC that transparency is high.

Fig. 5 is according to the schematic diagram of two kinds of arrangement modes of LED light source of the utility model preferred embodiment.Because having adopted the optical design of twice refraction of double-deck rib mirror, fluorescent tube requires more wide in range to the arrangement form of LED light source, and receivability is single arranges that also receivability is double arranges, and only needs to guarantee equidistant uniform.The utility model is for the object of energy-saving and emission-reduction, the mode of 120 single-row arranging of 0.1W LED light source (as shown in the top of Fig. 5) or 60 single-row arranging of 0.2W LED light source (as shown in the bottom of Fig. 5).

Utilize LED fluorescent tube that the technical solution of the utility model obtains to adopt in fluorescent tube inside and install the technology that optical lens carries out optical treatment additional, this is the not precedented way of current LED fluorescent tube.

Double-deck rib camera lens of the present utility model realizes with very small luminous flux loss the object of eliminating above-mentioned fluorescent tube dazzle, the exposed light intensity loss less than 10% with installing double-deck rib camera lens additional and comparing of chip, well below the 30-40% light loss that adopts translucent soft light pipe shell; Because the light loss of rib camera lens is little, have again mixed light effect, the spacing of LED chip linear array can suitably widen, and supports to reduce the general power of fluorescent tube.Utilize double-deck rib camera lens of the present utility model, longitudinal length is that the fluorescent tube of 1.2 meters can substitute the illumination functions of the common LED fluorescent tube of existing 18-20W power on market with the power of 10-12W, further energy-conservation more than 40%.

In addition, rib camera lens not only plays sheen effect, the luminous mixed light that carries out that can also be to many LED light sources of linear array, the luminous of many LED chips invested space outerpace after twice rib camera lens mixed light, the unification of LED lamp luminescence is better, and illumination uniformity is high, promotes illuminating effect.

Refraction principle because of rib camera lens, when the rib of rib camera lens and fluorescent tube parallel longitudinal, the lighting angle of fluorescent tube is achieved the optics light distribution effect of 150-170 °, solved the Transparent lamp tube luminous 130-140 of only having ° and caused the poor problem of spatial vertical illumination, also solved that translucent light is luminous is greater than 180 ° of problems that cause luminous energy waste.The below brightness of LED fluorescent tube of the present utility model does not weaken, and illumination between both sides 0-25 ° and 145-170 ° is promoted, and the energy all effectively utilizes, and more meets the needs of the effect that throws light on yet.

Because the light loss of rib camera lens is extremely low, can be less than 10%, the illumination effect of the utility model fluorescent tube is also much better than the conventional fluorescent fluorescent tube that utilizes light fixture aluminum reflector optics, and the light loss of aluminum reflector is often more than 20%, to make Luminaire efficiency lower than 60%.That is, the utility model fluorescent tube only need be realized than better illuminating effect before substituting lamp tube power supply and protection function by existing light fixture.

In sum, LED fluorescent tube of the present utility model, the 1.2 meters of long fluorescent tubes of take are example, 10% angle such as curve such as peak light intensity such as grade is 168 °, realizes the light intensity that is not less than 320cd when 10W, realizes the light intensity value that is not less than 380cd when 12W.Above brightness 10W plain edition fluorescent tube in application is enough to substitute the translucent shell LED of the 18-20W fluorescent tube on market, and 12W incremental can apply to needs higher place to brightness.

The plain edition LED fluorescent tube of two exemplary embodiment and brightened type LED fluorescent tube have respectively for example following parameter:

Plain edition---10W, 1200mm is long, substitutes 40W, 36W, 28W fluorescent tube; 5W, 600mm is long, substitutes 20W, 18W, 14W fluorescent tube.

Brightened type---12W, 1200mm is long, 6W, 600mm is long, special in the high applications of brightness requirement.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a double-deck rib lens construction, is characterized in that, described double-deck rib lens construction comprises:

The first rib camera lens, the lower surface of described the first rib camera lens has the first rib, and described the first rib is that leg-of-mutton a plurality of the first groove forms by, cross section extending longitudinally along it;

The second rib camera lens, described the second rib camera lens is positioned at described the first preset distance place and parallel with described the first rib camera lens, rib camera lens below, the upper surface of described the second rib camera lens has the second rib, described the second rib is that leg-of-mutton a plurality of the second groove forms by, cross section extending longitudinally along it, and the quantity of described the first groove is less than the quantity of described the second groove;

Outer cover, described outer cover connects the side of described the first rib camera lens and the side of described the second rib camera lens, and described the first rib camera lens, the second rib camera lens and described outer cover be integrated, and described outer cover is transparent;

Wherein, the second rib of the first rib of described the first rib camera lens and described the second rib camera lens is arranged in opposite directions, described the first rib be positioned at described the first rib camera lens towards LED light source one side, and described the second rib be positioned at described the second rib camera lens back to LED light source one side.

2. double-deck rib lens construction according to claim 1, it is characterized in that, described the first rib camera lens is less than the width of described the second rib camera lens, described outer cover form crooked cylindrical-shaped structure to connect successively the first side of described the second rib camera lens, the second side of the first side of the first rib camera lens, the first rib camera lens, the second side of the second rib camera lens.

3. double-deck rib lens construction according to claim 1 and 2, is characterized in that, under described the first rib camera lens, along the distance between edge to the second rib camera lens, is 3-6mm.

4. double-deck rib lens construction according to claim 3, is characterized in that, under described the first rib camera lens, along the distance between edge to the second rib camera lens, is 6mm.

5. double-deck rib lens construction according to claim 1 and 2, is characterized in that, the shape of the cross section of described a plurality of the first grooves is identical with the shape of the cross section of described a plurality of the second grooves, and is isosceles triangle.

6. double-deck rib lens construction according to claim 1 and 2, it is characterized in that, the cup depth of described the first groove is at least 0.4mm, and between the base of two adjacent notches of described the first groove, the width between width and the top margin of two adjacent notches is all at least 1mm; The cup depth of described the second groove is at least 0.4mm, and the width between the width between the base of two adjacent notches of described the second groove and the deckle of two adjacent notches is all at least 1mm; Described the first rib camera lens has at least 17 grooves, and overall width is at least 17mm, and described the second rib camera lens has at least 23 grooves, and overall width is at least 23mm.

7. double-deck rib lens construction according to claim 1 and 2, it is characterized in that, described outer cover extends and curves inwardly to the second rib camera lens down either side, forms the protuberance to inner process, to form the smooth connection without rat with the structure of fixed L ED light source.

8. a LED fluorescent tube, is characterized in that, this LED fluorescent tube comprises that, as the double-deck rib lens construction that in claim 1-7, any one limited, described LED fluorescent tube also comprises:

LED light source structure, is positioned at described double-deck rib lens construction below and is fixed to described outer cover, and described LED light source structure comprises along a plurality of LED of longitudinal equidistant arrangement of described double-deck rib camera lens;

Be positioned at described a plurality of LED below and be fixed to heat radiation and the supporting construction of described outer cover;

Border seal structure, covers and seals the longitudinal edge of described double-deck rib lens construction and the longitudinal edge of described LED light source structure.

9. LED fluorescent tube according to claim 8, is characterized in that, described outer cover comprises the outer cover back that is positioned at described LED light source structure below, and described outer cover back is semi-cylindrical.

10. LED fluorescent tube according to claim 8, is characterized in that, described heat radiation and supporting construction are the structures of aluminium base.