CN102011948A - LED luminous module - Google Patents
LED luminous module Download PDFInfo
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- CN102011948A CN102011948A CN2009101951198A CN200910195119A CN102011948A CN 102011948 A CN102011948 A CN 102011948A CN 2009101951198 A CN2009101951198 A CN 2009101951198A CN 200910195119 A CN200910195119 A CN 200910195119A CN 102011948 A CN102011948 A CN 102011948A
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- light
- face
- led
- emitting face
- illuminating module
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Abstract
The invention relates to an LED (Light Emitting Diode) luminous module comprising a plurality of LEDs and a secondary optical lens, wherein the secondary optical lens comprises a lens base and an optical processing module; the optical processing module comprises a light entrance face, a light-emitting face and a fully reflected side face, wherein the light entrance face is a cylindrical surface, the light-emitting face comprises a curved light-emitting face and an inclined light-emitting face, the curved light-emitting face is a free curved surface which is formed by moving two curves which are mutually vertical in an optical axis direction, the two curves satisfy the following conditions: X=A2Z2+A4Z4+......+A0, and X=B2Y2+B4Y4+......+B0; an inclined light entrance face track satisfies the following condition: Z=C1X+C0; a fully reflected side face track satisfies the following condition: Z=D1X+D0; the curved light-emitting face in the light entrance face is arranged above the curved light entrance face to cover the whole light entrance face; and the inclined light-emitting face is symmetrically arranged on both sides of the curved light-emitting face and is arranged above the fully reflected side face to cover the whole fully reflected side face.
Description
[technical field]
The present invention relates to the LED lighting engineering, or rather, relate to a kind of LED illuminating module.
[background technology]
Street lamp, Tunnel Lamp install on each road that need throw light in enormous quantities as the main member of outdoor lighting device, and it has become the main force of outdoor lighting power consumption.LED is as lighting source, and characteristic such as, long-life energy-conservation with its height has entered each lighting field.Therefore, arise at the historic moment as street lamp, the Tunnel Lamp of lighting source, and become the instrument of many road lightings very soon with LED.LED street lamp, LED Tunnel Lamp just more and more are subjected to national governments and people's favor with advantages such as its low energy consumption, long-life, environmental protection; especially the today of being becoming tight in energy crisis, electric power day, the advantage that LED street lamp, LED Tunnel Lamp are used in road lighting is self-evident.But with regard to present LED street lamp, LED Tunnel Lamp, also exist illumination range little, the pockety defective of intensity of illumination on the road surface, thus limited applying of LED street lamp, LED Tunnel Lamp to a certain extent.Therefore, need a kind of new LED illuminating module of design to overcome the problems referred to above.
[summary of the invention]
The technical problem that the present invention solves is to overcome the defective that prior art exists, a kind of new LED illuminating module is provided, use the LED lighting device of this LED illuminating module to possess that the optical range of going out is big, intensity of illumination is more even, and have the characteristic of higher effective efficiency of light energy utilization.
The present invention is achieved by the following technical solutions: a kind of LED illuminating module comprises the secondary optical lens that some LED, circuit board and corresponding described LED are provided with, described LED is installed on the circuit board, described secondary optical lens be installed in described LED directly over, described secondary optical lens comprises a lens mount and optical treatment module, described lens mount is formed with the led light source standing groove, it is characterized in that described optical treatment module comprises:
Light entrance face, this light entrance face are to form towards the pit surface that light direction forms, and described light entrance face is a cylinder;
Light-emitting face comprises curved surface light-emitting face and inclined-plane light-emitting face, and wherein, described curved surface light-emitting face is the free form surfaces that form in the last orthogonal curvilinear motion of normal direction (being optical axis) by two, and these two curves satisfy following condition: X=A
2Z
2+ A
4Z
4+ ... + A
0, X=B
2Y
2+ B
4Y
4+ ... + B
0Described inclined-plane light-emitting face is for being the tapered plane of symmetry axis with the optical axis, and its track satisfies following condition: Z=C
1X+C
0And
The total reflection side, this total reflection side is for being the tapered plane of symmetry axis with the optical axis, its track satisfies following condition: Z=D
1X+D
0
Curved surface light-emitting face in the described light-emitting face be arranged at described light entrance face directly over the position, cover the overall optical plane of incidence;
Described inclined-plane light-emitting face is arranged at the both sides of described curved surface light-emitting face symmetrically, and this inclined-plane light-emitting face be arranged on described total reflection side directly over, cover whole total reflection side;
Wherein, X is the optical axis coordinate, and Y, Z are Y, the Z coordinate in the three-dimensional coordinate of vertical formation with X-axis; In the aforesaid equation the item time and every coefficient (be A
2, A
4... A
0, B
2, B
4... B
0, C
1, C
0, D
1, D
0) according to the actual illumination demand, be optimized definite by ray tracing calculating, emulation.
Described light entrance face needs accurately to locate with the corresponding appearance and size of led light source.
The spacing that the optical axis center of described secondary optical lens and the center of described led light source chip overlap and keep adhering to specification.
Described secondary optical lens adopts PMMA, PC, and the injection moulding of ZEONEX optical plastic forms.
Described LED illuminating module also comprises a reflection shield, and the corresponding secondary optical lens of described reflection shield is correspondingly provided with some through holes, and this reflection shield outer surface forms one deck specular layer, and described reflection shield one end also is provided with some louvres.
Described LED illuminating module also is provided with the lower house that the good material of a heat conductivility is made, and described circuit board is fixed on the lower house.
Described LED illuminating module also is provided with a upper shell, this upper shell comprises a fixed edge and upwards protrudes out form transparent by fixed edge and go out light shield that described LED, secondary optical lens, circuit board and reflection shield are contained in the receiving space that is formed by this upper shell and the fixing back of lower house.
Described LED illuminating module also comprises a fixed frame, and described fixed frame, upper shell, lower house are fixedly connected.
Compared with prior art, LED illuminating module of the present invention is by light entrance face and the shape of light-emitting face and the improvement of structure to secondary optical lens, one reflection shield reasonably is set simultaneously, in the Aspect Ratio and illuminance uniformity that guarantee the hot spot that secondary optical lens forms, improved effective efficiency of light energy utilization again significantly.
[description of drawings]
Fig. 1 is the front view of LED illuminating module of the present invention.
Fig. 2 is for being the perspective exploded view of LED illuminating module of the present invention.
Fig. 3 is the stereogram of secondary optical lens in the LED illuminating module of the present invention.
Fig. 4 is the front view of secondary optical lens in the LED illuminating module of the present invention.
Fig. 5 is the rearview of secondary optical lens in the LED illuminating module of the present invention.
The view that Fig. 6 is Fig. 4 after LED is installed behind the cutaway view half-twist of A-A.
The view that Fig. 7 is Fig. 4 after LED is installed behind the cutaway view half-twist of B-B.
[specific embodiment]
See also Fig. 1 to shown in Figure 2, LED illuminating module 9 of the present invention comprises lower house 90, circuit board 91, sealing ring 92, reflection shield 93, upper shell 94, fixed frame 95, hold-down screw 96, light source led 3 and secondary optical lens 8.Wherein, described LED3 is installed on the circuit board 91, described secondary optical lens 8 be installed in described LED directly over, corresponding described secondary optical lens 8 is provided with corresponding through hole 930 on the described reflection shield 93, the outer surface of this reflection shield 93 is formed with one deck specular layer (not shown) in addition, and the end at this reflection shield 93 is provided with some louvres 931, described circuit board 91 is fixed on lower house 90 and (is made by the material that heat conductivility is good, what adopt in the present embodiment is aluminium) on, described upper shell 94 comprises a fixed edge 940 and upwards protrudes out form transparent by this fixed edge 940 and goes out light shield 941, this upper shell 94 is fixedly connected on the lower house 90, described LED3, circuit board 91, secondary optical lens 8, after installing, reflection shield 93 is contained in the receiving space (not label) of upper shell 94 and lower house 90 formation, described sealing ring 92 is used for about the sealing, housing 90, connection between 94, described fixed frame 95 (adopting stainless steel to make in the present embodiment) shape is consistent with the fixed edge 940 of upper shell 94, the part that correspondence goes out light shield 941 is a hollow, described fixed frame 95, upper shell 94, lower house 90 correspondences are respectively arranged with plurality of fixed hole (not label), and fix by screw 96, these technology have been the industry routine techniques, do not repeat them here.
Please join and read Fig. 3 in the lump to shown in Figure 7, described secondary optical lens 8 comprises a lens mount 1 and optical treatment module 2, described optical treatment module 2 be positioned at described lens mount 1 directly over the position, the two fixedly connected (the two is formed in one in the present embodiment), described lens mount 1 is formed with led light source standing groove 10, described optical treatment module 2 comprises a light entrance face 21, light-emitting face 21 and total reflection side 23, wherein said light entrance face 21 is to form towards the pit surface that light direction forms, and described light entrance face 21 is a cylinder; An and light-emitting face 22, this light-emitting face 22 comprises curved surface light-emitting face 221 and inclined-plane light-emitting face 222, wherein, described curved surface light-emitting face 221 is the free form surface that forms in the last orthogonal curvilinear motion of normal direction (being optical axis) by two, and these two curves satisfy following condition: X=A
2Z
2+ A
4Z
4+ ... + A
0, X=B
2Y
2+ B
4Y
4+ ... + B
0The track of described inclined-plane light-emitting face 222 satisfies following condition: Z=C
1X+C
0Described total reflection side 23 is for being the tapered plane of symmetry axis with the optical axis, and its track satisfies following condition: Z=D
1X+D
0Described light entrance face 21 is positioned at the middle part of whole secondary optical lens 8, the curved surface light-emitting face 221 in the described light-emitting face 22 be arranged at described light entrance face 21 directly over the position, cover the overall optical plane of incidence 21; Described inclined-plane light-emitting face 222 is arranged at the both sides of described curved surface light-emitting face 221 symmetrically, and this inclined-plane light-emitting face 222 be arranged on described total reflection side 23 directly over, cover whole total reflection side 23; Wherein, X is the optical axis coordinate, and Y, Z are Y, the Z coordinate in the three-dimensional coordinate of vertical formation with X-axis; In the aforesaid equation the item time and every coefficient (be A
2, A
4... A
0, B
2, B
4... B
0, C
1, C
0, D
1, D
0) according to the actual illumination demand, by ray tracing calculate, software emulation optimizes definitely repeatedly, so just can accomplish both to have guaranteed the Aspect Ratio and the illuminance uniformity of the hot spot of secondary optical lens 8 formation to improve effective efficiency of light energy utilization again.The light entrance face 21 of described secondary optical lens 8 needs accurately to locate with the corresponding appearance and size of led light source 3, guarantees the center of led chip and the spacing that optical axis center overlaps and both maintenances adhere to specification of described secondary optical lens 8.For ease of processing, reduce cost and weight reduction, described secondary optical lens 8 adopts the optical plastic injection mo(u)lding, and used optical plastic can be PMMA, PC, ZEONEX etc., the precision required according to described lens, cost performance, hear resistance is selected for use.
More than describing is embodiments of the invention only, forgives and can understand, and under the prerequisite that does not depart from the present invention's design, all should be included within the technical conceive of the present invention simple modification of the present invention and replacement.
Claims (8)
1. LED illuminating module, comprise the secondary optical lens that some LED, circuit board and corresponding described LED are provided with, described LED is installed on the circuit board, described secondary optical lens be installed in described LED directly over, described secondary optical lens comprises a lens mount and optical treatment module, described lens mount is formed with the led light source standing groove, it is characterized in that, described optical treatment module comprises:
Light entrance face, this light entrance face are to form towards the pit surface that light direction forms, and described light entrance face is a cylinder;
Light-emitting face comprises curved surface light-emitting face and inclined-plane light-emitting face, and wherein, described curved surface light-emitting face is the free form surfaces that form in the last orthogonal curvilinear motion of normal direction (being optical axis) by two, and these two curves satisfy following condition: X=A
2Z
2+ A
4Z
4+ ... + A
0, X=B
2Y
2+ B
4Y
4+ ... + B
0Described inclined-plane light-emitting face is for being the tapered plane of symmetry axis with the optical axis, and its track satisfies following condition: Z=C
1X+C
0And
The total reflection side, this total reflection side is for being the tapered plane of symmetry axis with the optical axis, its track satisfies following condition: Z=D
1X+D
0
Curved surface light-emitting face in the described light-emitting face be arranged at described light entrance face directly over the position, cover the overall optical plane of incidence;
Described inclined-plane light-emitting face is arranged at the both sides of described curved surface light-emitting face symmetrically, and this inclined-plane light-emitting face be arranged on described total reflection side directly over, cover whole total reflection side;
Wherein, X is the optical axis coordinate, and Y, Z are Y, the Z coordinate in the three-dimensional coordinate of vertical formation with X-axis; In the aforesaid equation the item time and every coefficient (be A
2, A
4... A
0, B
2, B
4... B
0, C
1, C
0, D
1, D
0) according to the actual illumination demand, be optimized definite by ray tracing calculating, emulation.
2. LED illuminating module as claimed in claim 1 is characterized in that: described light entrance face needs accurately to locate with the corresponding appearance and size of led light source.
3. LED illuminating module as claimed in claim 2 is characterized in that: the spacing that the optical axis center of described secondary optical lens and the center of described led light source chip overlap and keep adhering to specification.
4. LED illuminating module as claimed in claim 1 is characterized in that: described secondary optical lens adopts PMMA, PC, and the injection moulding of ZEONEX optical plastic forms.
5. LED illuminating module as claimed in claim 1, it is characterized in that: described LED illuminating module also comprises a reflection shield, the corresponding secondary optical lens of described reflection shield is correspondingly provided with some through holes, this reflection shield outer surface forms one deck specular layer, and described reflection shield one end also is provided with some louvres.
6. LED illuminating module as claimed in claim 5 is characterized in that: described LED illuminating module also is provided with the lower house that the good material of a heat conductivility is made, and described circuit board is fixed on the lower house.
7. LED illuminating module as claimed in claim 6, it is characterized in that: described LED illuminating module also is provided with a upper shell, this upper shell comprises a fixed edge and upwards protrudes out form transparent by fixed edge and go out light shield that described LED, secondary optical lens, circuit board and reflection shield are contained in the receiving space that is formed by this upper shell and the fixing back of lower house.
8. LED illuminating module as claimed in claim 7 is characterized in that: described LED illuminating module also comprises a fixed frame, and described fixed frame, upper shell, lower house are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101951198A CN102011948A (en) | 2009-09-04 | 2009-09-04 | LED luminous module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101951198A CN102011948A (en) | 2009-09-04 | 2009-09-04 | LED luminous module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102011948A true CN102011948A (en) | 2011-04-13 |
Family
ID=43842224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101951198A Pending CN102011948A (en) | 2009-09-04 | 2009-09-04 | LED luminous module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102011948A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471039A (en) * | 2013-09-13 | 2013-12-25 | 宁波燎原灯具股份有限公司 | LED projector lamp |
| CN103822117A (en) * | 2014-01-20 | 2014-05-28 | 深圳创新设计研究院有限公司 | Led optical system and lamp |
| CN108413360A (en) * | 2018-05-31 | 2018-08-17 | 深圳实现创新科技有限公司 | A kind of daylight lamp circuit plate safeguard structure |
-
2009
- 2009-09-04 CN CN2009101951198A patent/CN102011948A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471039A (en) * | 2013-09-13 | 2013-12-25 | 宁波燎原灯具股份有限公司 | LED projector lamp |
| CN103822117A (en) * | 2014-01-20 | 2014-05-28 | 深圳创新设计研究院有限公司 | Led optical system and lamp |
| CN103822117B (en) * | 2014-01-20 | 2016-05-25 | 深圳创新设计研究院有限公司 | LED optical system and light fixture |
| CN108413360A (en) * | 2018-05-31 | 2018-08-17 | 深圳实现创新科技有限公司 | A kind of daylight lamp circuit plate safeguard structure |
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Application publication date: 20110413 |