CN207584684U - A kind of normal direction low-angle integral LED optical lens and lamps and lanterns - Google Patents
A kind of normal direction low-angle integral LED optical lens and lamps and lanterns Download PDFInfo
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- CN207584684U CN207584684U CN201721698042.2U CN201721698042U CN207584684U CN 207584684 U CN207584684 U CN 207584684U CN 201721698042 U CN201721698042 U CN 201721698042U CN 207584684 U CN207584684 U CN 207584684U
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- normal direction
- direction low
- optical lens
- led optical
- light
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Abstract
The utility model discloses a kind of normal direction low-angle integral LED optical lenses, it includes being set to the lens body above LED luminescence units, lens body includes frosting group, light-emitting surface group, total reflection film, light-emitting surface group includes the first plane, the second plane, concave surface, cambered surface, convex surface, frosting group is located at the both sides of lens body, and total reflection film is arranged on cambered surface surface.The invention also discloses a kind of lamps and lanterns using normal direction low-angle integral LED optical lens.For the utility model; cavity between its lamps and lanterns and normal direction low-angle integral LED optical lens is filled without casting glue to be sealed; and integral type optics outer is without the glass mask for carrying out second protection; it not only realizes the control of normal direction low-angle (30 °~35 °) light and improves the utilization rate of light, but also integrated design reduces the assembly cost of lens and lamps and lanterns.
Description
Technical field
The utility model belongs to LED illumination lamp optical technical field, and in particular to a kind of normal direction low-angle integral LED
Optical lens and lamps and lanterns.
Background technology
At present, LED projector lamp, wall lamp are widely used in building decoration lighting area, the LED light projectors of the market mainstream
Lamp, wall lamp structure are made of several components such as LED light source, driving power, heat-dissipating casing, optical unit.Wherein, in order to control
The light distribution of lamps and lanterns, mainly takes four kinds of optical texture modes.
First way is the matrix unit or light transmission mask (glass, PC being made up of single independent or more lens
Plastics etc.) realize optical control unit.As what patent CN201720046189.7 was announced passes through polylith LED lens matrix unit
To realize the control of the optics of LED projector lamp, the LED projector lamp that this kind of mode is realized, multiple LED lens unit die costs
Waterproof reliability between high, installation complexity, lens unit is not high；Such as patent CN201720022294.7 and
What CN201621182862.1 was announced passes through light transmission light guide plate by what transparent glass cover, patent CN201120449478.4 were announced
Come the simple optics of the LED projector lamp control realized, the LED projector lamp that this kind of mode is realized shines by LED light source itself
Characteristic carries out the optical profile control of whole lamps and lanterns, and LED lamp light emitting angle is big, and especially normal orientation angle can not be controlled
System usually 120 ° or so, causes that whole lamps and lanterns irradiated area is big, light dispersion, can not realize the accurate light of key area
Control.
The second way is the optics control realized by way of reflection chamber or reflector.Such as patent
CN201710238371.7, CN201720114923.9, CN201621387671.9 etc., the LED projector lamp of this kind of mode are main
By aluminium larger-size built in LED lamp or plastic reflective cup come realize the angle of lamps and lanterns light control, usually such
For the light emitting angle of the LED lamp of type at 85-130 °, normal orientation angle can not carry out low-angle control, and the light of reflector
Line use ratio is relatively low, and it typically is 65-75%, and light losing is serious, and the luminous efficiency for causing whole lamps and lanterns is relatively low.
The third mode is to realize light control in a manner that single independent lens coordinate transparent glass cover.As specially
Sharp CN201621388243.8, this kind of mode same structure is complicated, of high cost, and LED light line is after lens unit using saturating
Light losing about 3-5% after light glass mask, and Glass breadks easily.
4th kind of mode is to realize that the optics that LED projector lamp has controls by easy integrated lens mask.As specially
Sharp CN201621237725.3 is placed in below integrated lens mask using by LED luminescence units, passes through integrated lens mask
Realize light control, but because the light in integrated lens mask rim region can not be controlled in the patent, especially lamps and lanterns method
The control of (30-35 °) of low-angle can not be realized to direction light emitting angle, cause that lamp luminescence angle angle is big, and light-emitting zone center is bright
It spends low.
Utility model content
In order to overcome above-mentioned technological deficiency, first purpose of the utility model is：Provide a kind of normal direction low-angle one
Formula LED light lens not only realize the light control of normal direction low-angle and improve the utilization rate of light, but also integration
Design reduces assembly cost.
To solve the above-mentioned problems, the utility model is achieved by following technical scheme：
A kind of normal direction low-angle integral LED optical lens, it is characterised in that：
Including lens body, the lens body includes one or more light-emitting surface groups, and the light-emitting surface group includes first
Plane, at least two second planes, at least two concave surfaces, at least two cambered surfaces, at least one convex surface；Described in the concave surface connection
Convex surface and the cambered surface, the cambered surface are connect with second plane, and the convex surface is set with first plane opposition.
Further, the lens body further includes frosting group, and the frosting group is located at the two of the lens body
Side.
Further, the lens body further includes total reflection film, and the total reflection film is arranged on the surface of the cambered surface.
Further, the light-emitting surface group include first plane, two second planes, two it is described recessed
Face, two cambered surfaces, a convex surface.
Further, the radius on the convex surface is 1.0~1.69mm, the angle of the cambered surface and the concave surface is 28 °~
45°。
Further, the material of the lens body is polycarbonate, polymetylmethacrylate or polyphenyl second
Alkene PS.
Further, the material of the total reflection film is polythene PE, and thickness is 0.5mm~1.0mm.
Further, the lens body is prepared using integral type extrusion forming process.
In order to overcome above-mentioned technological deficiency, second purpose of the utility model is：A kind of normal direction low-angle control is provided
LED lamp not only realizes the light control of normal direction low-angle and improves the utilization rate of light, but also integrated design is dropped
Low assembly cost.
To solve the above-mentioned problems, the utility model is achieved by following technical scheme：
A kind of lamps and lanterns using normal direction low-angle integral LED optical lens, it is characterised in that：
Including normal direction low-angle integral LED optical lens as the aforementioned, plurality of LEDs luminescence unit, pcb board/substrate, dissipate
Hot shell, driving power, conducting wire；
The normal direction low-angle integral LED optical lens is arranged on above the more LED luminescence units, the LED
Luminescence unit is arranged on the pcb board/substrate, and the pcb board/substrate is fixed on the heat-dissipating casing, institute
It states driving power to be arranged in the heat-dissipating casing, the driving power passes through the conducting wire and the pcb board/substrate electricity
Connection.
Further, each light-emitting surface group is arranged on one or plurality of LEDs luminescence unit, and the convex surface is set
It is placed in the normal position of the one or more LED luminescence units geometric center.
Compared with prior art, the beneficial effects of the utility model are：
(1) a kind of normal direction low-angle integral LED optical lens provided by the utility model, the lens body include one
Or multiple light-emitting surface groups, the light that LED luminescence units are sent out are sent out after the refraction of convex surface, concave surface and cambered surface by the first plane
Go out, so as to fulfill light direction normal direction low-angle control, the utility model not only realize normal direction low-angle light control and
The utilization rate of light is improved, and integrated design is conducive to further reduce assembly cost.
(2) a kind of lamps and lanterns using normal direction low-angle integral LED optical lens provided by the utility model, the small angle of normal direction
The cavity spent between integral LED optical lens and LED luminescence units is filled without casting glue to be sealed, and without progress two outside it
The glass mask of secondary protection；The lamps and lanterns can not only in the progress light controls of (30 °~35 °) of normal orientation, and it is simple in structure, into
This is low.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is a kind of structure diagram of normal direction low-angle integral LED optical lens of the utility model；
Fig. 2 is a kind of front view of normal direction low-angle integral LED optical lens of the utility model；
Fig. 3 is the front view of the first embodiment of the utility model；
Fig. 4 is the front view of the second embodiment of the utility model.
Description of symbols：
1st, lens body；11st, light-emitting surface group；111st, the first plane；112nd, concave surface；113rd, cambered surface；114th, convex surface；115th,
Two planes；12nd, frosting group；13rd, total reflection film；2nd, LED luminescence units；3rd, heat-dissipating casing；4th, pcb board；5th, driving power；6、
Conducting wire；7th, LED module light source；71st, substrate.
Specific embodiment
Embodiment 1
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.
Present embodiment discloses a kind of normal direction low-angle integral LED optical lens, as shown in Figs. 1-3, including lens master
Body 1, lens body 1 include multiple light-emitting surface groups 11, and light-emitting surface group 11 includes the first plane 111, at least two second planes
115th, at least two concave surfaces 112, at least two cambered surfaces 113, at least one convex surface 114；Concave surface 112 connects convex surface 114 and cambered surface
113, cambered surface 113 is connect with the second plane 115, the opposition setting of 114 and first plane 111 of convex surface.
In the present embodiment, lens body 1 further includes frosting group 12, and frosting group 12 is located at the both sides of lens body 1,
Frosting group 12 is light ray cut face, and the light that LED luminescence units 2 are sent out will be turned fully off by frosting group 12.
In the present embodiment, lens body 1 further includes total reflection film 13, and total reflection film 13 is located at the lower section of cambered surface 113, entirely
Light can be totally reflected by reflectance coating 13, it is possible to prevente effectively from the light that sends out of LED luminescence units 2 is when by cambered surface 113
Multiple refraction loss, improves light utilization.
In the present embodiment, light-emitting surface group 11 includes first plane 111, two the second planes 115, two concave surfaces
112, two cambered surfaces 113, a convex surface 114 is simple in structure.
In the present embodiment, the radius on convex surface 114 is 1.0~1.69mm, the angle of cambered surface 113 and concave surface 112 is 28 °~
45 °, it is 30 °~35 ° in normal orientation angle after lens body 1 to make the light that LED luminescence units 2 are sent out.
In the present embodiment, the material of lens body 1 is polycarbonate, polymetylmethacrylate or polyphenyl second
Alkene PS.
In the present embodiment, the material of total reflection film 13 is polythene PE, and thickness is 0.5mm~1.0mm.
In the present embodiment, lens body 1 is prepared using integral type extrusion forming process, reduces the group of lens body 1
Dress up this.
The present embodiment discloses a kind of lamps and lanterns using normal direction low-angle integral LED optical lens again, as shown in figure 3,
Including normal direction low-angle integral LED optical lens, more independent LED luminescence units 2, pcb board 4, heat-dissipating casing 3, driving
Power supply 5, conducting wire 6；
Normal direction low-angle integral LED optical lens is arranged on more 2 tops of independent LED luminescence units, and LED shines list
Member 2 is located on pcb board 4, and pcb board 4 is located at 3 inside of heat-dissipating casing and passes through conducting wire 6 to be electrically connected with driving power 5；When driving electricity
After source 5 is powered, electric current is imported by conducting wire 6 in pcb board 4, and further driving LED luminescence units 2 shine.
In the present embodiment, each light-emitting surface group 11 is arranged on every LED luminescence unit 2, and convex surface 114 is set to
Per the normal position of 2 centre of luminescence of LED luminescence unit.
The specific make step of the described further below lamps and lanterns using normal direction low-angle integral LED optical lens：
S1：More independent LED luminescence units 2 are separately positioned on by surface-pasted technique on pcb board 4；
S2：Lens body 1 with multiple light-emitting surface groups 11 is placed in 2 top of LED luminescence units, shine list per LED
2 one light-emitting surface group 11 of top setting of member, the centre of luminescence per LED luminescence unit 2 are located at the vertical of corresponding convex surface 114
Immediately below direction, pcb board 4 is mechanically fixed on heat-dissipating casing 3；
S3：By 13 device of total reflection film at the back of cambered surface 113, by 12 device of frosting group in 1 both sides of lens body；
S4：Driving power 5 is placed in by mechanical means inside heat-dissipating casing 3, and passes through conducting wire 6 and realizes and PCB
The positive and negative anodes of plate 4 are connected, and realize electrical connection.
After driving power 5 is powered, electric current is imported by conducting wire 6 in pcb board 4, and further driving LED luminescence units 2
It shines, the light sent out per LED luminescence unit 2 is by convex surface 114, the refraction of concave surface 112 and cambered surface 113 and total reflection film 13
Total reflection after sent out by the first plane 111 into air, form the LED wall wash lamps of (30 °~35 °) control of normal direction low-angle
Lamps and lanterns.
Embodiment 2
The lamps and lanterns of another normal direction low-angle integral LED optical lens and application lens are present embodiments provided, such as
Shown in Fig. 4, the structure and embodiment 1 of the present embodiment are essentially identical, the difference is that：The present embodiment uses LED module light
Source 7 replaces more independent LED luminescence units 2, and pcb board 4, lens body are substituted using the substrate 71 of LED module light source 7 itself
1, containing only there are one light-emitting surface groups 11, compared to the usage quantity that embodiment 1 can reduce light-emitting surface group 11, improves the light of lamps and lanterns
Distribution density.
The lamps and lanterns using normal direction low-angle integral LED optical lens of the present embodiment are by following making step come complete
Into：
S1：Plurality of LEDs luminescence unit 2 is placed in by crystal-bonding adhesive or flip-chip bonding process on substrate 71 first and forms LED
Die set light source 7, substrate 71 are usually ceramics, copper or aluminum substrate material；
S2：By the lens body 1 with single light-emitting surface group 11 be placed in 7 geometric center of LED module light source it is vertical just on
Side, substrate 71 are mechanically fixed on heat-dissipating casing 3；
S3：By 13 device of total reflection film at the back of cambered surface 113, by 12 device of frosting group in 1 both sides of lens body；
S4：Driving power 5 is placed in by mechanical means inside heat-dissipating casing 3, and passes through conducting wire 6 and realizes and LED
Die set light source 7 is electrically connected.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation, it is therefore every without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to implementing above
Example any modification, equivalent variations and the modification made, in the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of normal direction low-angle integral LED optical lens, it is characterised in that：
Including lens body, the lens body includes one or more light-emitting surface groups, the light-emitting surface group include the first plane,
At least two second planes, at least two concave surfaces, at least two cambered surfaces, at least one convex surface；The concave surface connects the convex surface
With the cambered surface, the cambered surface is connect with second plane, and the convex surface is set with first plane opposition.
2. normal direction low-angle integral LED optical lens according to claim 1, it is characterised in that：The lens body
Frosting group is further included, the frosting group is located at the both sides of the lens body.
3. normal direction low-angle integral LED optical lens according to claim 1, it is characterised in that：The lens body
Total reflection film is further included, the total reflection film is arranged on the surface of the cambered surface.
4. according to claims 1 to 3 any one of them normal direction low-angle integral LED optical lens, it is characterised in that：It is described
Light-emitting surface group include first plane, two second planes, two concave surfaces, two cambered surfaces, one
The convex surface.
5. according to claims 1 to 3 any one of them normal direction low-angle integral LED optical lens, it is characterised in that：It is described
The radius on convex surface is 1.0~1.69mm, and the angle of the cambered surface and the concave surface is 28 °~45 °.
6. according to claims 1 to 3 any one of them normal direction low-angle integral LED optical lens, it is characterised in that：It is described
The material of lens body is polycarbonate, polymetylmethacrylate or polystyrene PS.
7. normal direction low-angle integral LED optical lens according to claim 3, it is characterised in that：The total reflection film
Material for polythene PE, thickness is 0.5mm~1.0mm.
8. according to claims 1 to 3 any one of them normal direction low-angle integral LED optical lens, it is characterised in that：It is described
Lens body is prepared using integral type extrusion forming process.
9. a kind of lamps and lanterns using normal direction low-angle integral LED optical lens, it is characterised in that：
Including claim 1~8 any one of them normal direction low-angle integral LED optical lens, plurality of LEDs luminescence unit,
Pcb board/substrate, heat-dissipating casing, driving power, conducting wire；
The normal direction low-angle integral LED optical lens is arranged on above the more LED luminescence units, and the LED shines
Unit is arranged on the pcb board/substrate, and the pcb board/substrate is fixed on the heat-dissipating casing, the drive
Dynamic power supply is arranged in the heat-dissipating casing, and the driving power is electrically connected by the conducting wire and the pcb board/substrate
It connects.
10. the lamps and lanterns according to claim 9 using normal direction low-angle integral LED optical lens, it is characterised in that：Often
The one light-emitting surface group is arranged on one or plurality of LEDs luminescence unit, and the convex surface is set to described in one or more
The normal position of LED luminescence unit geometric centers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698042.2U CN207584684U (en) | 2017-12-08 | 2017-12-08 | A kind of normal direction low-angle integral LED optical lens and lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698042.2U CN207584684U (en) | 2017-12-08 | 2017-12-08 | A kind of normal direction low-angle integral LED optical lens and lamps and lanterns |
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| Publication Number | Publication Date |
|---|---|
| CN207584684U true CN207584684U (en) | 2018-07-06 |
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ID=62736761
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| CN201721698042.2U Active CN207584684U (en) | 2017-12-08 | 2017-12-08 | A kind of normal direction low-angle integral LED optical lens and lamps and lanterns |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990287A (en) * | 2017-12-08 | 2018-05-04 | 广东晶科电子股份有限公司 | A kind of normal direction low-angle integral LED optical lens and lamps and lanterns |
-
2017
- 2017-12-08 CN CN201721698042.2U patent/CN207584684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990287A (en) * | 2017-12-08 | 2018-05-04 | 广东晶科电子股份有限公司 | A kind of normal direction low-angle integral LED optical lens and lamps and lanterns |
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