CN205137109U - Light source module - Google Patents
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- CN205137109U CN205137109U CN201520989594.3U CN201520989594U CN205137109U CN 205137109 U CN205137109 U CN 205137109U CN 201520989594 U CN201520989594 U CN 201520989594U CN 205137109 U CN205137109 U CN 205137109U
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Abstract
The utility model discloses a light source module, its include the fluorescent tube and accept in light source subassembly in the fluorescent tube, the fluorescent tube is including supporting the supporting part of light source subassembly and being located the just grading portion relative with the light source subassembly of supporting part top, the supporting part with grading portion combines on the horizontal direction, the internal surface of grading portion is equipped with the micro -structure that is used for the grading to make the light process that the light source subassembly sent the polycondensation collection is in the same place and is had the polarisation angle in taking place the refraction back after the micro -structure. The convergence of rays that light source module sent behind the grading portion grading of fluorescent tube, is followed after sending light to the interior light source of light source module to form certain polarisation angle, after light source module is applied to lighting device, can realize that light concentrates the quilt to shine the object and luminance is also accorded with the demand, can be in order to satisfy the illuminating effect on location or object. Simultaneously, because the component in the light source module is few, therefore light source module's simple structure easily assembles and low in manufacturing cost.
Description
Technical field
The utility model belongs to technical field of semiconductor illumination, particularly relates to a kind of light source module be applied in lighting device.
Background technology
Carry out the lighting device thrown light at present for a certain specific region, as Down lamp, shot-light, wall lamp etc., all need to possess specific illuminating effect separately, reach the object improving the efficiency of light energy utilization.
For wall lamp, it is installed on ground, and in order to reach the object of washing wall, the light that it sends needs to concentrate in deflection metope preset range, and reaches the brightness requirement of metope.Present market wall lamp generally all adopts the optics such as spreadlight lens or specular reflector to achieve the above object.Such as, Chinese utility model patent discloses CN103574383A and discloses a kind of polarisation underground lamp, it may be used for washing wall, it comprises sealed base, power supply, light source board, spreadlight lens, glass, O-ring seal and stainless steel face shield with heat sinking function and screw and forms, therefore the geographical modulated structure complexity of this polarisation is not easily assembled, and production cost is high.
In addition, general linear light fixture also can use as wall lamp, and this linear light fixture is generally by fluorescent tube, support, lamp bar forms, but this kind of light fixture is not owing to having optical component, and light emission direction is luminous directly over being, the symmetrical distribution of lighting angle, cause only having some light can be irradiated to the object of linear light fixture side, as on metope, remainder is all wasted in atmosphere, therefore the light irradiated in metope cannot realize optically focused, causes the brightness of metope inadequate.Meanwhile, be projected to the light luminance also skewness of metope, had a strong impact on the brightness uniformity that wall lamp washes wall.
Therefore, how to provide a kind of structure simple and can polarizing angle be realized and make the light luminance of target photographed object evenly and the satisfactory light source module of the brightness of target photographed object is technical problem to be solved in the utility model.
Utility model content
The purpose of this utility model is to solve the problem, and provides a kind of structure simple and can realize the light source module of polarizing angle.
For achieving the above object, the utility model provides a kind of light source module, it comprises fluorescent tube and is contained in the light source assembly in described fluorescent tube, described fluorescent tube comprises the support portion that supports described light source assembly and is positioned at above described support portion and relative with light source assembly luminous intensity distribution portion, described support portion is combined in the horizontal direction with described luminous intensity distribution portion, and the inner surface in described luminous intensity distribution portion is provided with to inside contract after light that the micro-structural for luminous intensity distribution makes described light source assembly send reflects after described micro-structural and flocks together and have polarizing angle.
Further, described micro-structural comprises some first pointed tooths and the second pointed tooth, and described some first pointed tooths and the second pointed tooth are along the asymmetric setting of center line of described luminous intensity distribution portion inner surface.
Further, described light source assembly comprises substrate and is arranged at the some LED luminescence units on substrate.
Further, be provided with two relative accepting grooves in described support portion, the both sides of described substrate are contained in described accepting groove.
Further, there is diffusion particulate or diffusion porosity in described luminous intensity distribution portion.
For achieving the above object, the utility model also provides a kind of light source module, it comprises fluorescent tube and is contained in the light source assembly in described fluorescent tube, that described fluorescent tube comprises the support portion that supports described light source assembly and is positioned at side, described support portion and relative with light source assembly luminous intensity distribution portion, described support portion is in an inclined direction combined with described luminous intensity distribution portion, and the inner surface in described luminous intensity distribution portion is provided with to inside contract after light that the micro-structural for luminous intensity distribution makes described light source assembly send reflects after described micro-structural and flocks together and have polarizing angle.
Further, described luminous intensity distribution portion is obliquely installed relative to light source assembly, and described micro-structural comprises some first pointed tooths and the second pointed tooth, the asymmetric setting of center line of luminous intensity distribution portion inner surface described in described some first pointed tooths and the second pointed tooth structure.
Further, described light source assembly comprises substrate and is arranged at the some LED luminescence units on substrate.
Further, be provided with an accepting groove in described support portion, described substrate is contained in described accepting groove.
Further, there is diffusion particulate or diffusion porosity in described luminous intensity distribution portion.
Compared to prior art, after the utility model embodiment provides the light source in light source module to emit beam, after the luminous intensity distribution portion luminous intensity distribution of fluorescent tube, from the light beam convergence of corner that light source module sends, and form certain polarizing angle, after light source module is applied to lighting device, light can be realized and concentrate by according to object and brightness also meets demand, namely can meet the illuminating effect on specific region or object.Meanwhile, because the element in light source module is few, therefore the structure of light source module is simply easy to assembling and low cost of manufacture.
For achieving the above object, the utility model provides also a kind of light source module, it comprises fluorescent tube and is arranged at the light source assembly of described fluorescent tube side, described light source module also comprises the base with an inclined plane, described light source assembly is arranged at the light that described inclined plane makes light source assembly send and departs from vertical direction, and the inner surface of described fluorescent tube is provided with to inside contract after light that the micro-structural for luminous intensity distribution makes described light source assembly send reflects after described micro-structural and flocks together.
Further, described micro-structural comprises some first pointed tooths and the second pointed tooth, and described some first pointed tooths and the second pointed tooth are symmetrical arranged along the center line of fluorescent tube lower surface.
Further, described fluorescent tube semicircular in shape shape, the rectangular triangle of described base.
Further, there is diffusion particulate or diffusion porosity in described fluorescent tube.
Compared to prior art, after light source in the light source module that the utility model embodiment provides emits beam, after the luminous intensity distribution of fluorescent tube, from the light beam convergence of corner that light source module sends, simultaneously due to the existence of inclined base, the light sent forms certain polarizing angle, after light source module is applied to lighting device, can realize light concentrates by according to object and brightness also meets demand, namely can meet the illuminating effect on specific region or object.Meanwhile, because the element in light source module is few, therefore, light source modular structure is simply easy to assembling and low cost of manufacture.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The schematic cross-section of the light source module that Fig. 1 provides for the utility model first embodiment;
The schematic cross-section of the light source module that Fig. 2 provides for the utility model second embodiment;
The schematic cross-section of the light source module that Fig. 3 provides for the utility model the 3rd embodiment;
Fig. 4 for the module of light source shown in Fig. 1 emit beam after light path schematic diagram;
Fig. 5 is distribution curve flux figure corresponding to the module of light source shown in Fig. 1;
Fig. 6 for the module of light source shown in Fig. 2 emit beam after light path schematic diagram;
Fig. 7 is distribution curve flux figure corresponding to the module of light source shown in Fig. 2;
Fig. 8 for the module of light source shown in Fig. 3 emit beam after light path schematic diagram;
Fig. 9 is distribution curve flux figure corresponding to the module of light source shown in Fig. 3.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Below in conjunction with accompanying drawing, describe the technical scheme that each embodiment of the utility model provides in detail.
As shown in Figure 1, the utility model first embodiment provides a kind of light source module 100, this light source module 100 can be applied to linear light fixture, ring like light fitting or other light fixture in irregular shape, these light fixtures can use as lighting devices such as wall lamp, shelf lamps, realize the lighting requirement to specific region or object.Fig. 1 is the schematic cross-section of light source module 100, and as shown in Figure 1, light source module 100 comprises fluorescent tube 1 and is contained in the light source assembly 2 in fluorescent tube 1.Concrete, fluorescent tube 1 is made by integrated mode, it comprise for supporting light sources assembly 2 cradle portion 11 (also can claim support portion) and adjustment light path luminous intensity distribution portion 12, cradle portion 11 and luminous intensity distribution portion 12 bicolor co-extrusion shaping, cradle portion 11 and luminous intensity distribution portion 12 combine in the horizontal direction.Cradle portion 11 can be made up of the common plastics of opaque white, and the material of cradle portion 11 can be polycarbonate (Polycarbonate, PC).Luminous intensity distribution portion 12 can be made up of transparent or semitransparent diffusion plastics, its material can be polycarbonate (Polycarbonate, or polymethyl methacrylate (Polymethylmethacrylate PC), PMMA) any one in, its selection can set according to actual needs.
The generally u-shaped shape of cradle portion 11, it can support and positioned light source assembly 2.Be provided with two relative accepting grooves 111 in cradle portion 11, each accepting groove 111 is formed at the left internal side of cradle portion 11 or right inside side.Cradle portion 11 can be installed on ground, indoor ceiling or metope.
The curved shape in luminous intensity distribution portion 12, it is positioned at the top of cradle portion 11 and relative with light source assembly 2.Luminous intensity distribution portion 12 is provided with a curved outer surface 121, and this outer surface 121 is light-emitting face.Luminous intensity distribution portion 12 is also provided with a curved inner surface 122, and this inner surface 122 is light entrance face, and light entrance face is provided with the micro-structural 123 of indentation.Luminous intensity distribution portion 12 arc-shaped inner surface 122 is provided with center line 1221, and this center line 1221 extends along the bearing of trend in luminous intensity distribution portion 12, and inner surface 122 is divided into the identical inner surface of two radians by this center line 1221.In the present embodiment, micro-structural 123, including but not limited to zigzag, other can also have the structure of refracting characteristic for arc convex shape etc.Concrete, micro-structural 123 comprises some first pointed tooths 1231 and some second pointed tooths 1232, some first pointed tooths 1231 and the center line 1221 asymmetric setting of some second pointed tooths 1232 along inner surface 122.It should be noted that, the structure of the first pointed tooth 1231 is identical with the structure of the second pointed tooth 1232.On each first pointed tooth, 1231 are provided with a side 1233 relative with light source assembly 2, and each second pointed tooth 1232 is provided with a side 1234 relative with light source assembly 2, and side 1233,1234 have refracting characteristic.
In addition, have diffusion particulate or diffusion porosity in the luminous intensity distribution portion 12 of being made up of diffusion material, when light is by diffusion particulate or diffusion porosity, meeting scattering because refractive index is different, causes the effect of diffusion homogenizing, and distribution of light can be avoided uneven.Certainly, the surfaces externally and internally 122,121 in luminous intensity distribution portion 12 can also, by frosted or erosion line processing mode, make by the distribution of light in luminous intensity distribution portion 12 even.
Light source assembly 2 comprises substrate 21 and is arranged at the some LED luminescence units 22 on substrate 21, and some LED luminescence units 22 are positioned at the centre position 211 of substrate 21, and arranges along the bearing of trend of fluorescent tube 1, such as length direction arrangement.Center line 1221 on luminous intensity distribution portion 12 arc-shaped inner surface 122 is corresponding in the vertical direction with substrate 21 centre position 211.Substrate 21 can be printed circuit board (PCB), and this printed circuit board (PCB) has conducting wire.Some LED luminescence units 22 can be mounted on the base plate (21 by surface mount process (SurfaceMountTechnology, SMT) or through hole technology (ThroughHoleTechnology, THT).By the conducting wire on substrate 21, be mutually electrically connected between some LED luminescence units 22.
Fig. 4 is the light path schematic diagram after light source module 100 emits beam, the i.e. index path corresponding to luminous intensity distribution portion 12 of fluorescent tube 1, as shown in Figure 4, the light sent from the exiting surface 221 of the LED luminescence unit 22 of light source assembly 2 inside contracts after reflecting after entering the side 1233 of the first pointed tooth 1231 and the side 1234 of the second pointed tooth 1232 and flocks together, namely by after the secondary light-distribution in luminous intensity distribution portion 12, the beam angle of the light appeared from luminous intensity distribution portion 12 diminishes, corresponding, the also brightness of the light after gathering adds.Meanwhile, the left side of the light deflection fluorescent tube 1 through luminous intensity distribution portion 12, namely depart from the normal direction N1 of light source assembly 2 exiting surface 221, therefore, the light sent from light source module 100 has polarizing angle.
Fig. 5 is the distribution curve flux figure of light source module 100 correspondence, and as shown in Figure 5, the light that light source assembly 2 sends is behind luminous intensity distribution portion 12, and beam angle is approximately 38 degree (positive 10 degree to negative 28 degree), and about 10 degree of light off-normal direction N1.
In summary, after luminous intensity distribution portion 12 luminous intensity distribution of fluorescent tube 1, from the light beam convergence of corner that light source module 100 sends, and form certain polarizing angle, after light source module 100 is applied to lighting device, can realize light concentrates by according to object and brightness also meets demand, namely can meet the illuminating effect on specific region or object.Such as when light source module 100 is applied to normal linear light fixture, and this linear light fixture is when using as wall lamp, the linear modulation prodigiosin be installed on the ground enough realizes light and concentrates on the region that certain being positioned on the metope of its side needs to wash wall, and light luminance meets and washes wall requirement.Again such as, when light source module 100 is applied to normal linear light fixture, and this linear light fixture is when using as shelf lamp, be installed on the linear modulation prodigiosin taken in sky and enough realize light and concentrate on the goods being positioned at its side-lower, and the light luminance irradiated on goods meets demand.Meanwhile, because the element in light source module 100 is few, therefore, the structure of light source module 100 is simply easy to assembling and low cost of manufacture.
As shown in Figure 2, the utility model second embodiment provides a kind of light source module 100a, this light source module 100a can be applied to linear light fixture, ring like light fitting or other light fixture in irregular shape, these light fixtures can use as lighting devices such as wall lamp, shelf lamps, realize the lighting requirement to specific region or object.Fig. 2 is the schematic cross-section of light source module 100a, and as shown in Figure 2, light source module 100a comprises round lamp tube 1a and is contained in the light source assembly 2a in round lamp tube 1a.Concrete, fluorescent tube 1a is made by integrated mode, it comprise for the luminous intensity distribution portion 12a of light path adjustment and support portion 11a for supporting light sources assembly 2a, support portion 11a and luminous intensity distribution portion 12a bicolor co-extrusion shaping, support portion 11a is in an inclined direction combined with luminous intensity distribution portion 12a.Support portion 11a can be made up of the common plastics of opaque white, and the material of support portion 11a can be polycarbonate (Polycarbonate, PC).Luminous intensity distribution portion 12a can be made up of transparent or semitransparent diffusion plastics, its material can be polycarbonate (Polycarbonate, or polymethyl methacrylate (Polymethylmethacrylate PC), PMMA) any one in, its selection can set according to actual needs.Support portion 11a is positioned at the bottom of round lamp tube 1a, and it is provided with an accepting groove 111a.When fluorescent tube 1a is for linearly extending, light source assembly 2a can insert in accepting groove 111a along the bearing of trend of fluorescent tube 1a.Support portion 11a comprises the bottom of round lamp tube 1a and is arranged at two limiting section 112a of fluorescent tube 1a inner surface, and accepting groove 111a is enclosed by the bottom of round lamp tube 1a and two limiting section 112a and forms.
The curved shape of luminous intensity distribution portion 12a, it is roughly positioned at the region, upper left side of fluorescent tube 1a, and in the present embodiment, the position of luminous intensity distribution portion 12a only exemplary illustration in fig. 2, it may be arranged at other position of fluorescent tube 1a.Need to further illustrate, luminous intensity distribution portion 12a is obliquely installed relative to light source assembly 2, namely forms an angle (sign) in acute angle between place, 12a two ends, luminous intensity distribution portion plane P 2 and light source assembly 2 place plane P 3, as shown in Figure 6.Luminous intensity distribution portion 12a is provided with a curved outer surface 121a, and this outer surface 121a is light-emitting face.Luminous intensity distribution portion 12a is also provided with a curved inner surface 122a, and this inner surface 122a is light entrance face, and light entrance face 122a is provided with the micro-structural 123a of indentation.Luminous intensity distribution portion 12a arc-shaped inner surface 122a is provided with center line 1221a, and this center line 1221a extends along the bearing of trend of luminous intensity distribution portion 12a, and inner surface 122a is divided into the identical inner surface of two radians by this center line 1221a.In the present embodiment, micro-structural 123a, including but not limited to zigzag, other can also have the structure of refracting characteristic for arc convex shape etc.Concrete, micro-structural 123a comprises some first pointed tooth 1231a and some second pointed tooth 1232a, and some first pointed tooth 1231a and some second pointed tooth 1232a are along center line 1221a (as shown in Figure 2) the asymmetric setting of inner surface 122a.It should be noted that, the structure of the first pointed tooth 1231a is different from the structure of the second pointed tooth 1232a, and the first pointed tooth 1231a is less than the second pointed tooth 1232a.On each first pointed tooth, 1231a is provided with a side 1233a relative with light source assembly 2a, and each second pointed tooth 1232a is provided with a side 1234a relative with light source assembly 2a, and side 1233a, 1234a has refracting characteristic.
In addition, have diffusion particulate or diffusion porosity of diffusion material in the luminous intensity distribution portion 12a be made up, when light is by diffusion particulate or diffusion porosity, meeting scattering because refractive index is different, causes the effect of diffusion homogenizing, and distribution of light can be avoided uneven.Certainly, the surfaces externally and internally 122a of luminous intensity distribution portion 12a, 121a can also, by frosted or erosion line processing mode, make by the distribution of light of luminous intensity distribution portion 12a even.
Light source assembly 2a comprises substrate 21a and is arranged at the some LED luminescence unit 22a on substrate 21a, some LED luminescence unit 22a are positioned at the left side of substrate 21a centre position 211a, and therefore above-mentioned LED luminescence unit 22a can be corresponding with the luminous intensity distribution portion 12a of fluorescent tube 1a top left region.
Substrate 21a can be printed circuit board (PCB), and this printed circuit board (PCB) has conducting wire.Some LED luminescence unit 22a can be installed on substrate 21a by surface mount process (SurfaceMountTechnology, SMT) or through hole technology (ThroughHoleTechnology, THT).By the conducting wire on substrate 21a, be mutually electrically connected between some LED luminescence unit 22a.
Fig. 6 is the light path schematic diagram after light source module 100a emits beam, namely the index path corresponding to fluorescent tube 1a luminous intensity distribution portion 12a, as shown in Figure 6, inside contract after reflecting after the light sent from the LED luminescence unit 22a exiting surface 221a of light source assembly 2a enters the side 1233a of the first pointed tooth 1231a and the side 1234a of the second pointed tooth 1232a and flock together, namely by after luminous intensity distribution portion 12a secondary light-distribution, the beam angle of the light appeared from luminous intensity distribution portion 12a diminishes, corresponding, the also brightness of the light after gathering adds.Meanwhile, through the left side of the light deflection fluorescent tube 1a of luminous intensity distribution portion 12a, namely depart from the normal direction N2 of light source assembly 2a exiting surface 221a, therefore, the light sent from light source module 100a has polarizing angle.It should be noted that in addition, LED luminescence unit 22a also can be arranged at the centre position 211a of substrate 21a or be positioned on the right side of the 221a of centre position.When LED luminescence unit 22a is positioned on the left of substrate 21a, the light polarizing angle penetrated from luminous intensity distribution portion 12a is little, when LED luminescence unit 22a is positioned on the right side of substrate 21a, the light polarizing angle penetrated from luminous intensity distribution portion 12a is large, therefore, by the position on substrate 21a of adjustment LED luminescence unit 22a, the size of the polarizing angle that light source module 100a emits beam can be adjusted.
Fig. 7 is the distribution curve flux figure that light source module 100a is corresponding, and as shown in Figure 7, the light that light source assembly 2a sends is after luminous intensity distribution portion 12a, and beam angle is approximately 22 degree (0 to 22 degree), and about 10 degree of light off-normal direction N2.
In summary, after the luminous intensity distribution portion 12a luminous intensity distribution of fluorescent tube 1a, from the light beam convergence of corner that light source module 100a sends, and form certain polarizing angle, after light source module 100a is applied to lighting device, can realize light concentrates by according to object and brightness also meets demand, namely can meet the illuminating effect on specific region or object.Such as when light source module 100a application normal linear light fixture, and this linear light fixture is when using as wall lamp, the linear modulation prodigiosin be installed on the ground enough realizes light and concentrates on the region being needed to wash wall by certain of washing on metope being positioned at its side, and light luminance meets and washes wall requirement.Again such as, when light source module 100a is applied to normal linear light fixture, and when this linear light fixture uses as shelf lamp, be installed on the linear modulation prodigiosin taken in sky and enough realize light and concentrate on the goods being positioned at its side-lower, and light luminance meets demand.Meanwhile, because the element in light source module 100a is few, therefore, light source module 100a structure is simply easy to assembling and low cost of manufacture.
As shown in Figure 3, the utility model the 3rd embodiment provides a kind of light source module 100b, this light source module 100b can be applied to linear light fixture, ring like light fitting or other light fixture in irregular shape, these light fixtures can use as lighting devices such as wall lamp, shelf lamps, realize the lighting requirement to specific region or object.Fig. 3 is the schematic cross-section of light source module 100b, as shown in Figure 3, light source module 100b comprise roughly semicircular in shape fluorescent tube 1b, be positioned at the light source assembly 2b of fluorescent tube 1b side and be positioned at the base 3b of light source assembly 2b side.Concrete, fluorescent tube 1b also can be called light distribution element, and it is made by integrated mode, and it adjusts for light path.Fluorescent tube 1b can be made up of transparent or semitransparent diffusion plastics, its material can be polycarbonate (Polycarbonate, or polymethyl methacrylate (Polymethylmethacrylate PC), PMMA) any one in, its selection can set according to actual needs.
Fluorescent tube 1b is semicircular arc, i.e. cross section semicircular in shape, and it is provided with an outer surface 11b in semicircular arc, and this outer surface 11b is light-emitting face.Fluorescent tube 1b is also provided with an inner surface 12b in semicircular arc, and this inner surface 12b is light entrance face, and light entrance face 12b is provided with the micro-structural 13b of indentation.Fluorescent tube 1b arc-shaped inner surface 12b is provided with center line 121b, and this center line 121b extends along the bearing of trend of fluorescent tube 1b, and inner surface 12b is divided into the identical inner surface of two radians by this center line 121b.In the present embodiment, micro-structural 13b, including but not limited to zigzag, other can also have the structure of refracting characteristic for arc convex shape etc.Concrete, micro-structural 13b comprises some first pointed tooth 131b and some second pointed tooth 132b, and some first pointed tooth 131b and some second pointed tooth 132b are symmetrical arranged along the center line 121b of inner surface 12b.On each first pointed tooth, 131b is provided with a side 1311b relative with light source assembly 2b, and each second pointed tooth 132b is provided with a side 1321b relative with light source assembly 2b, and side 1311b, 1321b has refracting characteristic.
In addition, have diffusion particulate or diffusion porosity of diffusion material in the fluorescent tube 1b be made up, when light is by diffusion particulate or diffusion porosity, meeting scattering because refractive index is different, causes the effect of diffusion homogenizing, and distribution of light can be avoided uneven.Certainly, the surfaces externally and internally 12b of fluorescent tube 1b, 11b can also, by frosted or erosion line processing mode, make by the distribution of light of fluorescent tube 1b even.
Light source assembly 2b comprises substrate 21b and is arranged at the some LED luminescence unit 22b on substrate 21b, and some LED luminescence unit 22b are positioned at the centre position of substrate 21b.Substrate 21b can be printed circuit board (PCB), and this printed circuit board (PCB) has conducting wire.Some LED luminescence unit 22b can be installed on substrate 21b by surface mount process (SurfaceMountTechnology, SMT) or through hole technology (ThroughHoleTechnology, THT).By the conducting wire on substrate 21b, be mutually electrically connected between some LED luminescence unit 22b.The substrate 21b of light source assembly 2b closes the fluorescent tube 1b of semicircle arcuation.In addition, fluorescent tube 1b inner surface 12b is not just provided with micro-structural 13b to the part of LED luminescence unit 22b, and the light that LED luminescence unit 22 sends extends from the above-mentioned partial straight lines not arranging micro-structural 13b.
The rectangular triangle of base 3b, the substrate 21b of light source assembly 2b is affixed in the inclined plane of base 3b.Therefore, the light that light source assembly 2b sends also can tilt certain angle, and namely depart from vertical direction N4, this vertical direction N4 is perpendicular to horizontal direction.
The index path of Fig. 8 corresponding to fluorescent tube 1b, as shown in Figure 8, inside contract after reflecting after the light sent from the LED luminescence unit 22b light-emitting area 221b of light source assembly 2b enters the side 1311b of the first pointed tooth 131b and the side 1321b of the second pointed tooth 132b and flock together, namely after the secondary light-distribution by micro-structural 13b in fluorescent tube 1b, the beam angle of the light appeared from fluorescent tube 1b diminishes, corresponding, the brightness of the light after gathering too increases., be consistent through the light of fluorescent tube 1b and the normal direction N3 of LED luminescence unit 22b light-emitting area 221b, but due to the existence of base 3b, the light through fluorescent tube 1b departs from vertical direction N4, and this vertical direction N4 is perpendicular to horizontal direction meanwhile.
Fig. 9 is the distribution curve flux figure that light source module 100b is corresponding, and as shown in Figure 9, the light that light source assembly 2b sends is after fluorescent tube 1b, and beam angle is approximately 60 degree (negative 40 degree to negative 100 degree), and light departs from about 70 degree of vertical direction N4.
In summary, after the luminous intensity distribution of fluorescent tube 1b, from the light beam convergence of corner that light source module 100b sends, simultaneously due to the existence of inclined base 3b, the light sent forms certain polarizing angle, after light source module 100b is applied to lighting device, light can be realized and concentrate by according to object and brightness also meets demand, namely can meet the illuminating effect on specific region or object.Such as when light source module 100b application normal linear light fixture, and this linear light fixture is when using as wall lamp, the linear modulation prodigiosin be installed on the ground enough realizes light and concentrates on the region being needed to wash wall by certain of washing on metope being positioned at its side, and light luminance meets and washes wall requirement.Again such as, when light source module 100b is applied to normal linear light fixture, and when this linear light fixture uses as shelf lamp, be installed on the linear modulation prodigiosin taken in sky and enough realize light and concentrate on the goods being positioned at its side-lower, and light luminance meets demand.Meanwhile, because the element in light source module 100b is few, therefore, light source module 100b structure is simply easy to assembling and low cost of manufacture.
Above-described instantiation; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (14)
1. a light source module, it comprises fluorescent tube and is contained in the light source assembly in described fluorescent tube, it is characterized in that: described fluorescent tube comprises the support portion that supports described light source assembly and is positioned at above described support portion and relative with light source assembly luminous intensity distribution portion, described support portion is combined in the horizontal direction with described luminous intensity distribution portion, and the inner surface in described luminous intensity distribution portion is provided with to inside contract after light that the micro-structural for luminous intensity distribution makes described light source assembly send reflects after described micro-structural and flocks together and have polarizing angle.
2. light source module as claimed in claim 1, it is characterized in that, described micro-structural comprises some first pointed tooths and the second pointed tooth, and described some first pointed tooths and the second pointed tooth are along the asymmetric setting of center line of described luminous intensity distribution portion inner surface.
3. light source module as claimed in claim 1 or 2, it is characterized in that, described light source assembly comprises substrate and is arranged at the some LED luminescence units on substrate.
4. light source module as claimed in claim 3, is characterized in that, be provided with two relative accepting grooves in described support portion, the both sides of described substrate are contained in described accepting groove.
5. light source module as claimed in claim 1, is characterized in that, has diffusion particulate or diffusion porosity in described luminous intensity distribution portion.
6. a light source module, it comprises fluorescent tube and is contained in the light source assembly in described fluorescent tube, it is characterized in that: that described fluorescent tube comprises the support portion that supports described light source assembly and is positioned at side, described support portion and relative with light source assembly luminous intensity distribution portion, described support portion is in an inclined direction combined with described luminous intensity distribution portion, and the inner surface in described luminous intensity distribution portion is provided with to inside contract after light that the micro-structural for luminous intensity distribution makes described light source assembly send reflects after described micro-structural and flocks together and have polarizing angle.
7. light source module as claimed in claim 6, it is characterized in that, described luminous intensity distribution portion is obliquely installed relative to light source assembly, and described micro-structural comprises some first pointed tooths and the second pointed tooth, the asymmetric setting of center line of luminous intensity distribution portion inner surface described in described some first pointed tooths and the second pointed tooth structure.
8. light source module as claimed in claims 6 or 7, it is characterized in that, described light source assembly comprises substrate and is arranged at the some LED luminescence units on substrate.
9. light source module as claimed in claim 8, it is characterized in that, be provided with an accepting groove in described support portion, described substrate is contained in described accepting groove.
10. light source module as claimed in claim 6, is characterized in that, has diffusion particulate or diffusion porosity in described luminous intensity distribution portion.
11. 1 kinds of light source modules, it comprises fluorescent tube and is arranged at the light source assembly of described fluorescent tube side, it is characterized in that: described light source module also comprises the base with an inclined plane, described light source assembly is arranged at the light that described inclined plane makes light source assembly send and departs from vertical direction, and the inner surface of described fluorescent tube is provided with to inside contract after light that the micro-structural for luminous intensity distribution makes described light source assembly send reflects after described micro-structural and flocks together.
12. light source modules as claimed in claim 11, it is characterized in that, described micro-structural comprises some first pointed tooths and the second pointed tooth, and described some first pointed tooths and the second pointed tooth are symmetrical arranged along the center line of fluorescent tube lower surface.
13. light source modules as claimed in claim 11, is characterized in that, described fluorescent tube semicircular in shape shape, the rectangular triangle of described base.
14. light source modules as claimed in claim 11, is characterized in that, have diffusion particulate or diffusion porosity in described fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989594.3U CN205137109U (en) | 2015-12-02 | 2015-12-02 | Light source module |
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| CN201520989594.3U CN205137109U (en) | 2015-12-02 | 2015-12-02 | Light source module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813154A (en) * | 2015-12-02 | 2017-06-09 | 欧普照明股份有限公司 | Light source module |
| CN108253380A (en) * | 2016-12-28 | 2018-07-06 | 苏州欧普照明有限公司 | A kind of optical element and the lighting device with the optical element |
| CN113357611A (en) * | 2021-06-18 | 2021-09-07 | 深圳恒之源技术股份有限公司 | Optical system with uniform light emission and main lighting device with optical system |
-
2015
- 2015-12-02 CN CN201520989594.3U patent/CN205137109U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813154A (en) * | 2015-12-02 | 2017-06-09 | 欧普照明股份有限公司 | Light source module |
| CN108253380A (en) * | 2016-12-28 | 2018-07-06 | 苏州欧普照明有限公司 | A kind of optical element and the lighting device with the optical element |
| CN113357611A (en) * | 2021-06-18 | 2021-09-07 | 深圳恒之源技术股份有限公司 | Optical system with uniform light emission and main lighting device with optical system |
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