CN103032732A - Light source module with full space irradiation characteristic - Google Patents
Light source module with full space irradiation characteristic Download PDFInfo
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- CN103032732A CN103032732A CN2012104513093A CN201210451309A CN103032732A CN 103032732 A CN103032732 A CN 103032732A CN 2012104513093 A CN2012104513093 A CN 2012104513093A CN 201210451309 A CN201210451309 A CN 201210451309A CN 103032732 A CN103032732 A CN 103032732A
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- light source
- internal reflection
- led light
- source module
- external reflectance
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Abstract
The invention discloses a light source module with a full space irradiation characteristic. The light source module is characterized by comprising LED (Light Emitting Diode) light sources, an inner reflector and an outer reflector, wherein the LED light sources are annularly distributed on a top surface of a same light source plate in a planar shape; light emitting axes of the LED light sources are in the same direction and stand on the top surface; a gap capable of transmitting light is formed in the light source plate; the inner reflector is positioned on the top surface and is used for partially reflecting lights emitted by the LED light sources to transmit through the gap; the outer reflector is positioned on the same side as the inner reflector opposite to the light source plate, extends from the edge of the inner reflector and is used for partially and laterally reflecting the lights emitted by the LED light sources to the space outside the light source plate; and the LED light sources have direct light emitted by the periphery of the outer reflector. The lights emitted by the LED light sources in the single direction are distributed in three directions and can be more uniformly and mutually adjusted, so that the light distribution in entire 4pi space can be closer to that of the conventional light source. The light source plate of the LED light sources is in the shape of a planar plate, so that the low cost and the reliability of a structural member are simultaneously considered.
Description
Technical field
The present invention relates to a kind of lighting device, specifically a kind ofly utilize light source module led light source, that have total space irradiation characteristics.
Background technology
Aspect illumination, the photoelectric properties of led light source have highlighted advantage with respect to conventional light source, no matter be photoelectric transformation efficiency, visible light distributes, the aspects such as life-span, all met or exceeded conventional light source such as incandescent lamp, the gas discharge fluorescent lamp, in addition also has its unique performance, little such as illuminator, the spectral region controllability is good, voltage is low, heat is little, utilize these performances, led light source can be readily embodied in small size, on the ligthing paraphernalia of high light efficiency, such as family expenses, the bulb lamp that commercial field is common, with appearance similar, the form that electrical structure is identical, the traditional lighting light source is carried out " substituting ", change in the situation that do not do other facilities, directly replace conventional lamp.This form has obtained general approval, also obtains suitable effect.
From the characteristics of LED itself, with respect to conventional light source, even if having good compatibility and advantage in electric, usefulness, still has its limitation.One of them apparent in view problem is exactly the restriction of LED lighting angle.Because the light-emitting zone of single led light source is 2 π spaces, and most of light intensity concentrate on less conical region, so, if the total space illuminating effect that needs the similar incandescent lamp of acquisition, compact fluorescent lamp to have, then must process a plurality of led light sources, such as the special distribution on the geometric position, by the secondary optics device adjust or the two in conjunction with processing simultaneously, make the illumination effect of single led light fixture, can relatively be evenly distributed in 4 π spaces.
Given this, the optical design of LED light fixture develops rapidly, for adapting to the illumination zone in this 4 π space, many schemes all are suggested, and the light of led light source emission is reasonably adjusted, made up, and it is achieved the goal, obtained certain effect: but can have some problems at large, for example:
If more adopt the scheme of adjusting the LED geometric position, particularly the space arrangement of led light source carried out special processing, such as the different direction of led light source irradiation that makes diverse location, directly adjust the light-emitting axis of each led light source, then can increase significantly complexity and the cost of structural member, also can bring simultaneously the problem of other heat radiations, cabling, maintainability; If adopt the scheme of led light source simple arrangement, then can solve the problem of heat radiation, cabling, structural member cost, yet but must need to use more secondary optics device, increased again thus the cost of optics, but also can bring the hidden danger of two aspects: the decrease optical efficiency has increased complexity and the cost of optics.
Summary of the invention
Structural member is complicated in the design of total space light structures, cost is high and the inefficient problem of optics for above led light source light fixture, and the present invention proposes a kind of light source module of total space irradiation, and its technical scheme is as follows:
The light source module of total space irradiation comprises:
Led light source, annular spread be in the end face of same plane form light source board, and its light-emitting axis in the same way and stand on this end face; The gap that has light-permeable on this light source board;
The internal reflection body is positioned at this end face, the light portion of described led light source outgoing is reflexed to penetrates described gap; And
The external reflectance body is positioned at this internal reflection body with respect to the homonymy of light source board, and the edge of this internal reflection body extends certainly, with the light portion sideswipe of the described led light source outgoing space to this light source board outside;
Wherein, this led light source has from the external direct projection light of penetrating that crosses of this external reflectance.
As the preferred person of the technical program, can have improvement aspect following:
In the preferred embodiment, this internal reflection body comprises the internal reflection curved surface, and this internal reflection curved surface begins to extend up from described end face.
In the preferred embodiment, this internal reflection curved surface is single-revolution face form, is positioned at the inner ring of this led light source annular spread.
In the preferred embodiment, this external reflectance body comprises an external reflectance curved surface, and this external reflectance curved surface is the form of single-revolution face.
In the preferred embodiment, this internal reflection body and the external reflectance body person of being formed in one, and Rotational Symmetry, its symmetry axis is perpendicular to this end face.
In the preferred embodiment, the lens that have an annular between this led light source and this external reflectance body, these lens reflect the described direct projection light of part, make its with respect to original pathway side to ejaculation.
In the preferred embodiment, it is characterized in that: this led light source is with the annular spread of positive Circles, described internal reflection body and external reflectance body are positioned at a truncated cone-shaped axon to two ends, and wherein this internal reflection body is positioned at the small end of this round platform body, and the external reflectance body is positioned at the large end of this round platform body; The end face of this light source board is fixed on the top at the small end place of this round platform body.
In the preferred embodiment, the bus of the side of this round platform body is the curve that can lead continuously.
In the preferred embodiment, the central authorities of this light source board, round platform body have the through hole that runs through.
In the preferred embodiment, other has a cell-shell of revolving body, and this cell-shell covers all light that come from this led light source fully.
The beneficial effect that the technical program is brought is:
1. this scheme has consisted of the form of total space irradiation, and the light of unidirectional its outgoing of led light source distributed in three directions, can mutually adjust more equably, thereby the distribution of the light on whole 4 π spaces can be extremely near conventional light source such as incandescent lamp.Simultaneously, the light source board at led light source place adopts the form of surface plate, has the simplest structure, therefore, has taken into account the cheap and reliable of structural member cost.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing embodiment:
Fig. 1 is the explosive view of the embodiment of the invention one;
Fig. 2 is embodiment illustrated in fig. 1 one side view;
Fig. 3 is index path embodiment illustrated in fig. 1;
Fig. 4 is the embodiment of the invention two side views;
Fig. 5 is the embodiment of the invention three side views;
Fig. 6 is the embodiment of the invention four side views;
Fig. 7 is explosive view embodiment illustrated in fig. 6;
Fig. 8 is index path embodiment illustrated in fig. 6;
Fig. 9 is shaft section light distribution map embodiment illustrated in fig. 6.
The specific embodiment
As shown in Figure 1 to Figure 3, the schematic diagram of the embodiment of the invention.
The light source module of this total space irradiation comprises the light source board 40 on plane, has been welded and fixed plurality of LEDs light source 43 at the end face of light source board 40, this plurality of LEDs light source 43 annular spread on light source board 40, and its light-emitting axis all stands on the end face of light source board 40.In light source board 40 gaps 41, the gap 41 of light-permeable between this led light source, such as Fig. 1, this gap is positioned at the annular inner ring that led light source 43 consists of.
Have internal reflection body 20 and external reflectance body 30 on light source board 40, wherein, as shown in Figure 3, adopt interior reflective surface 21 that the part emergent ray of led light source 43 is reflected on the nickel reflector 20, become internal reflection light 51, this internal reflection light 51 penetrates gap 41; The back side that is oriented light source board 40 is penetrated.External reflectance body 30 is positioned at this internal reflection body 20 with respect to the homonymy of light source board 40, and the edge from internal reflection body 20 extends, with the light portion sideswipe of the led light source 43 outgoing space to these light source board 40 outsides, become external reflectance light 52, in addition, led light source 43 also has direct projection light 53, and the characteristics of this direct projection light are the peripheral outgoing from external reflectance body 30, not stopped by external reflectance body 30 or reflects.
As seen, this scheme has consisted of the form of similar conventional light source total space irradiation, because it is respectively that internal reflection light 51, external reflectance light 52 and direct projection light 53 distribute in three directions that this structure makes the light of unidirectional led light source 43 its outgoing be decomposed at least three classes, can mutually adjust more equably, thus the light on whole 4 π spaces distribute can be extremely near conventional light source such as incandescent lamp.Simultaneously, the light source board 40 at led light source 43 places adopts the form of surface plate, has the simplest structure, therefore, has taken into account the cheap and reliable of structural member cost.
In the present embodiment, the internal reflection curved surface 21 on the internal reflection body 20 is the form of single-revolution face, is positioned at the inner ring of these led light source 43 annular spread, and this internal reflection curved surface 21 begins to extend up from the end face of light source board 40; Internal reflection body 20 moulding of this form are easy, take volume little; And external reflectance body 30 is also similar with internal reflection body 20, comprises an external reflectance curved surface 31, and this external reflectance curved surface 31 also is the form of single-revolution face.Consider fixing problem, such as Fig. 2, internal reflection body 20 and external reflectance body 30 are positioned at a truncated cone-shaped axon to two ends, and wherein internal reflection body 20 is positioned at the small end of this round platform body, and external reflectance body 30 is positioned at the large end of this round platform body; The end face of this light source board 40 is fixed on the top at the small end place of this round platform body, so, the relative FX of light source board 40 and internal reflection body 20 is large, and mechanical strength is high, particularly can guarantee that it is firm during greater than light source board 40 when the diameter of the large end of this truncated cone-shaped bodily form.
Consider the problem of moulding, internal reflection body 20 and external reflectance body 30 are formed in one and Rotational Symmetry, and its symmetry axis is perpendicular to the end face of this light source board 40, and this form makes internal reflection body 20 and external reflectance body 30 can time processing complete; Particularly the bus of the side of the round platform body at the two place be one can lead continuously curve the time, processing technology is the simplest.Interior reflective surface 21 and external reflectance face 31 can be processed into the form of minute surface, also can be processed into frosted or various micro-structural, increase its diffuse reflectance, light are distributed more even.
Embodiment two:
As shown in Figure 4, the schematic diagram of the embodiment of the invention two, as seen the present embodiment and embodiment one are similar, plate light source board 40, positive annular some led light sources 43 that distributed, no matter internal reflection body 20 or external reflectance body 30, all be based on same revolving body form, different is, side axial at internal reflection body 20 and external reflectance body 30 has crack 33, meaning is on circumferential direction, and internal reflection body 20 and external reflectance body 30 are discontinuous, because the two all adopts the sheet curved body of circumferential distribution to form around its central shaft rotary splicing, the internal reflection body 20 of this form and external reflectance body 30 be simultaneously moulding also, but be divided into the part that several circumferentially distribute, can with the more rapidly moulding of mode of punching press, further reduce process time and cost.
Embodiment three:
As shown in Figure 4, the side view of the embodiment of the invention 4, similar with the first two embodiment, plate light source board 40 and the led light source 43 on it, different is, independent processing has been carried out on the surface of internal reflection body 20 and external reflectance body 30, to such an extent as to the external reflectance curved surface 31 on external reflectance body 30 surfaces is made of a plurality of circumferential unit 34, consider when the quantity of led light source 43 is few, its distribution interval is more sparse, so may process individually on the reflecting surface outside for each led light source 43, therefore the form with unit 34 takes shape in the external reflectance body.
Embodiment four:
Extremely shown in Figure 9 such as Fig. 6, the schematic diagram of the embodiment of the invention four.
As can be seen from Figures 6 and 7, have the lens 60 of an annular in the present embodiment between led light source 43 and the external reflectance body 30, these lens 60 are compensation arrangements, can more accurately adjust the light of led light source ejaculation.
As shown in Figure 8, the light path schematic diagram of the present embodiment, similarly, internal reflection body 20 makes the light output from led light source 43 become internal reflection light 51, external reflectance body 30 obtains external reflectance light 52, do not belong to direct projection light 53 via inside and outside reflector person, but because the existence of lens 60, so that the part of direct projection light 53 is processed, it is reflected, make it change fine setting light 54 with respect to original pathway side into to ejaculation, become a solid angle component of processing flexibly, to compensate the defective part in the whole illumination range.Because the suffered interference of the direct projection light between led light source 43 and external reflectance body 30 53 is minimum, and luminous flux is large, so select the light output of this part comparatively suitable and simple as trim component, the lens 60 that directly install design additional can obtain.As shown in Figure 9, under the compensation of lens 60, whole embodiment four can have very good spatial light intensity distribution curve, and very the light close to conventional incandescent and fluorescent lamp distributes, and has good effect.
Can find out from embodiment one to four, it is shown in Figure 1 that the form of this inside and outside reflector can make the central authorities of light source board 40 and round platform body have a through hole 42(that runs through), this through hole has two obvious technique effects: the consumption of having saved on the one hand material, weight reduction, can be used as on the other hand the space that holds miscellaneous part or the space of radiating convection gas, the latter is most important in the illuminator scheme of small size.
For the technical program, a cell-shell of the revolution bodily form can be set, this cell-shell covers all light that come from this led light source fully, makes the light output of whole module more even in solid space.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of namely doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (10)
1. the light source module of total space irradiation is characterized in that: comprising:
Led light source, annular spread be in the end face of same plane form light source board, and its light-emitting axis in the same way and stand on this end face; The gap that has light-permeable on this light source board;
The internal reflection body is positioned at this end face, the light portion of described led light source outgoing is reflexed to penetrates described gap; And
The external reflectance body is positioned at this internal reflection body with respect to the homonymy of light source board, and the edge of this internal reflection body extends certainly, with the light portion sideswipe of the described led light source outgoing space to this light source board outside;
Wherein, this led light source has from the external direct projection light of penetrating that crosses of this external reflectance.
2. the light source module of described total space irradiation according to claim 1, it is characterized in that: this internal reflection body comprises the internal reflection curved surface, this internal reflection curved surface begins to extend up from described end face.
3. the light source module of described total space irradiation according to claim 1, it is characterized in that: this internal reflection curved surface is single-revolution face form, is positioned at the inner ring of this led light source annular spread.
4. the light source module of described total space irradiation according to claim 1, it is characterized in that: this external reflectance body comprises an external reflectance curved surface, this external reflectance curved surface is the form of single-revolution face.
5. the light source module of described total space irradiation according to claim 1, it is characterized in that: this internal reflection body and the external reflectance body person of being formed in one, and Rotational Symmetry, its symmetry axis is perpendicular to this end face.
6. the light source module of described total space irradiation according to claim 1 is characterized in that: the lens that have an annular between this led light source and this external reflectance body, these lens reflect the described direct projection light of part, make its with respect to original pathway side to ejaculation.
7. according to claim 1 and 2 or the light source module of 3 or 4 or 5 described total spaces irradiation, it is characterized in that: this led light source is with the annular spread of positive Circles, described internal reflection body and external reflectance body are positioned at a truncated cone-shaped axon to two ends, wherein this internal reflection body is positioned at the small end of this round platform body, and the external reflectance body is positioned at the large end of this round platform body; The end face of this light source board is fixed on the top at the small end place of this round platform body.
8. the light source module of described total space irradiation according to claim 7, it is characterized in that: the bus of the side of this round platform body is the curve that can lead continuously.
9. the light source module of described total space irradiation according to claim 8, it is characterized in that: the central authorities of this light source board, round platform body have the through hole that runs through.
10. the light source module of described total space irradiation according to claim 9, it is characterized in that: other has a cell-shell of revolving body, and this cell-shell covers all light that come from this led light source fully.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210451309.3A CN103032732B (en) | 2012-11-12 | 2012-11-12 | The light source module that the total space is irradiated |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210451309.3A CN103032732B (en) | 2012-11-12 | 2012-11-12 | The light source module that the total space is irradiated |
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| CN103032732A true CN103032732A (en) | 2013-04-10 |
| CN103032732B CN103032732B (en) | 2016-01-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477386A (en) * | 2016-06-06 | 2017-12-15 | 吕清淼 | Heat radiating type lamp socket |
| WO2022057880A1 (en) * | 2020-09-21 | 2022-03-24 | 苏州欧普照明有限公司 | Lighting fixture and light source system thereof |
| CN114353013A (en) * | 2020-10-14 | 2022-04-15 | 台州市远大工业设计有限公司 | LED light distribution device and LED combined light source for replacing halogen lamp filament |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839410A (en) * | 2010-04-15 | 2010-09-22 | 北京朗波尔光电股份有限公司 | Space omnidirectional light-emitting diode (LED) |
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2012
- 2012-11-12 CN CN201210451309.3A patent/CN103032732B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839410A (en) * | 2010-04-15 | 2010-09-22 | 北京朗波尔光电股份有限公司 | Space omnidirectional light-emitting diode (LED) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477386A (en) * | 2016-06-06 | 2017-12-15 | 吕清淼 | Heat radiating type lamp socket |
| WO2022057880A1 (en) * | 2020-09-21 | 2022-03-24 | 苏州欧普照明有限公司 | Lighting fixture and light source system thereof |
| CN114353013A (en) * | 2020-10-14 | 2022-04-15 | 台州市远大工业设计有限公司 | LED light distribution device and LED combined light source for replacing halogen lamp filament |
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| Publication number | Publication date |
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| CN103032732B (en) | 2016-01-20 |
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