CN205079171U - Light harvesting lens of emitting diode lamps and lanterns - Google Patents
Light harvesting lens of emitting diode lamps and lanterns Download PDFInfo
- Publication number
- CN205079171U CN205079171U CN201520817898.1U CN201520817898U CN205079171U CN 205079171 U CN205079171 U CN 205079171U CN 201520817898 U CN201520817898 U CN 201520817898U CN 205079171 U CN205079171 U CN 205079171U
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- Prior art keywords
- light
- led lamp
- lens
- light collecting
- collecting lens
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Abstract
The utility model discloses a light harvesting lens of emitting diode lamps and lanterns includes a lens body, the lens body include a top, one on the contrary in the bottom at this top, a shaping play plain noodles on this top, one concave on locating this plain noodles the optical surface and one day the concave income plain noodles of locating this bottom in this top, this income plain noodles and this optical surface are located same axis, and should go into the plain noodles include one go into the light side and one with this income light to the side of the income light concave surface that meets. The light that light harvesting lens of emitting diode lamps and lanterns enabled LED distributes the part of keeping away from and being close to LED in each side of lamp house simultaneously for lamp house uniform lighting.
Description
Technical field
The utility model is about a kind of light emitting diode (lightemittingdiode, abbreviation: the LED) light collecting lens of light fixture.
Background technology
Because LED has high-luminous-efficiency, long life and the advantage not containing noxious materials such as mercurys, the lamp box of prior art does not use fluorescent tube as the light source provided required for lamp box luminescence gradually, and uses LED lamp instead.
As shown in Fig. 9 to 12, on the two sides 61 that the light that LED70 can be enable to send is radiated at lamp box 60 to make lamp box 60 luminous, the LED lamp of prior art includes a light collecting lens 50.This light collecting lens 50 includes 52, one exiting surface 53, incidence surface 54 and a groove 55 bottom a top 51, this exiting surface 53 is formed on this top 51, this incidence surface 54 to be formed at bottom this on 52, this incidence surface 54 includes convex surface 541 and the anchor ring 542 connected with this convex surface 541, this groove 55 is by 52 to be defined towards shaping and this groove 55 of this top 51 indent by this incidence surface 54 bottom this, and this groove 55 includes a bottom opening 551 defined by this anchor ring 542.Refer to shown in Fig. 9 and 11 to 13, the LED lamp of LED70 and prior art is arranged on one end of lamp box 60, and LED70 is just to this incidence surface 54, the light that LED70 sends enters this light collecting lens 50 by this incidence surface 54, penetrated by this exiting surface 53 again and be distributed on the two sides 61 of this lamp box 60, reaching the object making lamp box 60 luminescence.
But, the light that LED70 sends only can be concentrated to the part of each side 61 away from this LED70 of this lamp box 60 by the light collecting lens 50 of prior art, and be difficult to make light also be distributed in the part of each side 61 near this LED70 of this lamp box 60, then cannot make lamp box 60 uniformly light-emitting. simultaneously
Utility model content
In view of the shortcoming of above-mentioned prior art, the purpose of this utility model is the light collecting lens providing a kind of LED lamp, its each side that the light of LED can be made simultaneously to be distributed in lamp box away from and near the part of LED, thus make lamp box uniformly light-emitting.
In order to reach aforesaid creation object, the technological means that the utility model is taked is the light collecting lens making this LED lamp, wherein comprises:
One lens body, it comprises:
One top;
One in contrast to the bottom at this top;
Be formed in the exiting surface on this top;
One recessed optical surface on this exiting surface; And
The recessed incidence surface bottom this in this top on one day, this incidence surface and this optical surface are positioned on same axis, and this incidence surface includes a light incident sides and a light inlet concave surface connected with this light incident sides.
Preferably, this lens body includes a top groove defined by this optical surface, this top groove includes an inverted draw cut mouth connected with this exiting surface and in contrast to the trench bottom of this inverted draw cut mouth, and the width of this top groove is reduced from this inverted draw cut mouth gradually toward trench bottom.
More preferably, the width of this inverted draw cut mouth: the degree of depth of this top groove is 1:2 to 1:3.5.
More preferably, the spacing of this light inlet concave surface and this trench bottom is that 1 millimeter (mm) is to 3mm.
Preferably, this light incident sides includes an outer end and in contrast to the inner of this outer end, this light inlet concave surface connects with this inner, and this lens body includes an end groove defined by this light incident sides, this end groove include one by this outer end around shaping opening and by this inner around shaping port, the width of this end groove is reduced towards this port gradually by this opening.
More preferably, the width of this port: the width of this opening is 1:1.1 to 1:2.
It is preferred that the width bottom this is less than the width at this top, and this lens body includes one is connected to body side between this top and bottom, and this body side is a squint face.
Preferably, the light collecting lens of described LED lamp includes a supporting walls, and this supporting walls is around the outside being arranged at this lens body, and this supporting walls includes a junction, this connecting portion connects with the top of this lens body, and the base being spaced apart of this connecting portion and this lens body.
More preferably, this supporting walls and this lens body are formed in one, and this supporting walls has light transmission.
It is preferred that this optical surface is a taper seat, and this light inlet concave surface is a circular concave.
By light inlet concave surface and the optical surface of incidence surface, the light collecting lens of described LED lamp can effectively by the both sides of the light of LED guiding lens body and each side that simultaneously be distributed in lamp box away from and near the part of LED, thus reach effect of lamp box uniformly light-emitting.
Accompanying drawing explanation
Fig. 1 is the stereo appearance figure of the light collecting lens of LED lamp of the present utility model;
Fig. 2 is a side cutaway view of Fig. 1;
Fig. 3 is a partial side, cross-sectional view of Fig. 1;
Fig. 4 is the first using state schematic diagram of the light collecting lens of the LED lamp of Fig. 1;
Fig. 5 is the second using state schematic diagram of the light collecting lens of the LED lamp of Fig. 1;
Fig. 6 is the enlarged drawing in I portion in Fig. 5;
Fig. 7 is the 3rd using state schematic diagram of the light collecting lens of the LED lamp of Fig. 1;
Fig. 8 is the 4th using state schematic diagram of the light collecting lens of the LED lamp of Fig. 1;
Fig. 9 is the stereo appearance figure of the light collecting lens of prior art;
Figure 10 is the side cutaway view of Fig. 8;
Figure 11 is the first using state schematic diagram of the light collecting lens of Fig. 8;
Figure 12 is the enlarged drawing in II portion in Figure 11;
Figure 13 is the second using state schematic diagram of the light collecting lens of Fig. 8.
Drawing reference numeral explanation
The light collecting lens of 1LED light fixture
10 lens body 11 tops
13 body sides bottom 12
14 exiting surface 141 projections
15 optical surfaces 16 push up groove
161 inverted draw cut mouth 162 trench bottoms
17 incidence surface 171 light incident sides
172 light inlet concave surface 18 end grooves
181 opening 182 ports
20 supporting walls 21 connecting portions
30 lamp box 31 sides
40LED50 light collecting lens
Bottom 51 tops 52
53 exiting surface 54 incidence surfaces
541 convex surface 542 anchor rings
55 groove 551 bottom openings
60 lamp box 61 sides
70LEDA, D, E width
B degree of depth C spacing
Detailed description of the invention
Below coordinating accompanying drawing and preferred embodiment of the present utility model, setting forth the technological means that the utility model is taked for reaching predetermined utility model object further.
Refer to shown in Fig. 1, the light collecting lens 1 of LED lamp of the present utility model includes lens body 10 and a supporting walls 20.
Refer to shown in Fig. 1 and 2, aforesaid lens body 10 has light transmission and includes 12, one exiting surface 14, optical surface 15, top, body side 13, groove 16, incidence surface 17 and an end groove 18 bottom a top 11.Bottom this, 12 in contrast to this top 11, and bottom this, width of 12 is less than the width at this top 11.This body side 13 is connected between this top 11 and bottom 12, and this body side 13 is an inclined plane.This exiting surface 14 takes shape on this top 11, and this exiting surface 14 is provided with a concaveconvex structure 141.
Refer to shown in Fig. 1 to 3, this optical surface 15 towards this bottom 12 indents take shape in the central authorities of this exiting surface 14.This top groove 16 defined by this optical surface 15, and this top groove 16 includes an inverted draw cut mouth connected with this exiting surface 14 161 and in contrast to the trench bottom 162 of this inverted draw cut mouth 161, and the width of this top groove 16 is reduced from this inverted draw cut mouth 161 gradually toward trench bottom 162; Furthermore, this optical surface 15 is a taper surface, and this top groove 16 is a cone tank.In one embodiment, this optical surface 15 is a taper seat, and this top groove 16 is a conical grooves, and the width A of this notch 161 is 2.58mm, and the depth B of this top groove 16 is 7.18mm, the width A of this notch 161: the depth B of this top groove 16 is 1:2.783.
Refer to shown in Fig. 2 and 3, this incidence surface 17 is by 12 shaping towards this top 11 indent bottom this, and the position of the position of this incidence surface 17 and this optical surface 15 is positioned on same axis, this incidence surface 17 includes light incident sides 171 and a light inlet concave surface 172, this light incident sides 171 includes an outer end and in contrast to the inner of this outer end, and this light inlet concave surface 172 connects with this inner.In one embodiment, this light inlet concave surface 172 is circular concave, and this light inlet concave surface 172 is 1.6mm with the spacing C of this trench bottom 162.
Refer to shown in Fig. 2 and 3, this end groove 18 defined by the light incident sides 171 of this incidence surface 17, this end groove 18 include one by this outer end around shaping opening 181 and by this inner around shaping port one 82, the width of this end groove 18 is reduced towards this port one 82 gradually by this opening 181.In one embodiment, the width D of this port one 82 is 5.21mm, and the width E of this opening 181 is the width D of 7.20mm, this port one 82: the width E of this opening 181 is 1:1.382, and this end groove 18 is circular trough.
Refer to shown in Fig. 1 and 2, aforesaid supporting walls 20 is around the outside being arranged on this lens body 10, this supporting walls 20 includes a junction 21, and this connecting portion 21 connects with the top 11 of this lens body 10, and the body side 13 of this connecting portion 21 and this lens body 10 and bottom 12 are separately.In one embodiment, refer to shown in Fig. 2, this supporting walls 20 is formed in one with this lens body 10, and this supporting walls 20 has light transmission.
Refer to shown in Fig. 4 to 7, use, the light collecting lens 1 of several described LED lamp is disposed on the one or both ends of a lamp box 30.As shown in Fig. 2,5,6 and 8, each LED40 is arranged on the opening 181 of the light collecting lens 1 of each described LED lamp, and just to the light inlet concave surface 172 of incidence surface 17.The light that each LED40 sends is after the light inlet concave surface 172 via incidence surface 17 enters lens body 10, the both sides of lens body 10 can be directed to and leave lens body 10 by each projection 141 of exiting surface 14, and each side 31 being radiated at lamp box 30 away from and in the part of each LED40, the each side 31 so equably light being dispensed to this lamp box 30 away from and in the part of each LED40, make lamp box 30 can uniformly light-emitting.Especially, by the light inlet concave surface 172 of this incidence surface 17 and the cooperation of optical surface 15, can also to make by this LED send, enter lens body 10 via the light inlet concave surface 172 of this incidence surface 17 and arrive the light of this optical surface 15, reflection is produced at this optical surface 15, and be guided each side 31 of being dispensed to this lamp box 30 away from and in the part of each LED40, make the luminescence of lamp box 30 more even.
Based on above-mentioned, the light collecting lens 1 of described LED lamp be each side 61 that the light of LED70 can be made simultaneously to be distributed in lamp box 60 away from and near the part of LED70, make lamp box 60 uniformly light-emitting.
The above is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, not departing from the scope of technical solutions of the utility model, the technology contents of above-mentioned announcement should be utilized to make a little change or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a light collecting lens for LED lamp, is characterized in that, comprises:
One lens body, it comprises:
One top;
One in contrast to the bottom at this top;
Be formed in the exiting surface on this top;
One recessed optical surface on this exiting surface; And
The recessed incidence surface bottom this in this top on one day, this incidence surface and this optical surface are positioned on same axis, and this incidence surface includes a light incident sides and a light inlet concave surface connected with this light incident sides.
2. the light collecting lens of LED lamp according to claim 1, it is characterized in that, this lens body includes a top groove defined by this optical surface, this top groove includes an inverted draw cut mouth connected with this exiting surface and in contrast to the trench bottom of this inverted draw cut mouth, and the width of this top groove is reduced from this inverted draw cut mouth gradually toward trench bottom.
3. the light collecting lens of LED lamp according to claim 2, is characterized in that, the width of this inverted draw cut mouth: the degree of depth of this top groove is 1:2 to 1:3.5.
4. the light collecting lens of LED lamp according to any one of claim 1 to 3, it is characterized in that, this light incident sides includes an outer end and in contrast to the inner of this outer end, this light inlet concave surface connects with this inner, and this lens body includes an end groove defined by this light incident sides, this end groove include one by this outer end around shaping opening and by this inner around shaping port, the width of this end groove is reduced towards this port gradually by this opening.
5. the light collecting lens of LED lamp according to claim 4, is characterized in that, the width of this port: the width of this opening is 1:1.1 to 1:2.
6. the light collecting lens of LED lamp according to any one of claim 1 to 3, is characterized in that, this optical surface is a taper seat.
7. the light collecting lens of LED lamp according to any one of claim 1 to 3, is characterized in that, this light inlet concave surface is circular concave.
8. the light collecting lens of LED lamp according to any one of claim 1 to 3, is characterized in that, this exiting surface is provided with a concaveconvex structure.
9. the light collecting lens of LED lamp according to any one of claim 1 to 3, it is characterized in that, width bottom this is less than the width at this top, and this lens body includes one is connected to body side between this top and bottom, and this body side is a squint face.
10. the light collecting lens of LED lamp according to any one of claim 1 to 3, it is characterized in that, wherein include a supporting walls, this supporting walls is around the outside being arranged on this lens body, and this supporting walls includes a junction, this connecting portion connects with the top of this lens body, and the base being spaced apart of this connecting portion and this lens body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817898.1U CN205079171U (en) | 2015-10-21 | 2015-10-21 | Light harvesting lens of emitting diode lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817898.1U CN205079171U (en) | 2015-10-21 | 2015-10-21 | Light harvesting lens of emitting diode lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205079171U true CN205079171U (en) | 2016-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520817898.1U Expired - Fee Related CN205079171U (en) | 2015-10-21 | 2015-10-21 | Light harvesting lens of emitting diode lamps and lanterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205079171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247186A (en) * | 2015-08-28 | 2016-12-21 | 陈伟景 | A kind of direction and Height Adjustable illumination LED light fixture |
| WO2021063055A1 (en) * | 2019-09-30 | 2021-04-08 | 广州视源电子科技股份有限公司 | Light diffusion component, backlight assembly and interactive smart tablet |
-
2015
- 2015-10-21 CN CN201520817898.1U patent/CN205079171U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247186A (en) * | 2015-08-28 | 2016-12-21 | 陈伟景 | A kind of direction and Height Adjustable illumination LED light fixture |
| WO2021063055A1 (en) * | 2019-09-30 | 2021-04-08 | 广州视源电子科技股份有限公司 | Light diffusion component, backlight assembly and interactive smart tablet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20201021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |