CN206755072U

CN206755072U - A kind of lens and LED floodlight

Info

Publication number: CN206755072U
Application number: CN201720367502.7U
Authority: CN
Inventors: 曾茂进; 周雅玲; 陈龙泉
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2017-04-10
Filing date: 2017-04-10
Publication date: 2017-12-15
Anticipated expiration: 2027-04-10

Abstract

The utility model discloses a kind of lens and LED floodlight, the lens include centerbody, the extension body set around the centerbody outer peripheral edge, the centerbody bottom is provided with depressed part, and the inner surface of the depressed part includes the first incidence surface for making light inject the centerbody and makes the second incidence surface of the light injection extension body；The centerbody top surface forms the first exiting surface, the extension body top surface forms the second exiting surface, the bottom surface of the extension body forms reflecting surface, the light of reflecting surface described in directive is all-trans through the reflecting surface is incident upon second exiting surface, and the light of the second exiting surface described in directive is through the second exiting surface light extraction or is all-trans and is incident upon the reflecting surface.The LED floodlight includes radiating shell, light source board, driving power, fixed support, and described lens, the lens are located on the light source board.The utility model makes the light-emitting zone of whole lamp become big, and can reduce whole lamp height and reduce production cost.

Description

A kind of lens and LED floodlight

Technical field

Field of light fittings is the utility model is related to, more particularly to a kind of lens and LED floodlight.

Background technology

Most of LED floodlight generally use reflector of prior art carries out luminous intensity distribution to LED light source, causes it to exist such as Lower weak point：Whole modulated structure compared with it is high, light-emitting area is small, cost is high.Prior art also has small part LED floodlight to use lens Luminous intensity distribution is carried out to LED light source, although whole lamp height can be reduced, its light-emitting area or smaller is not reaching to preferable shape State.

Utility model content

The utility model provides a kind of lens and LED floodlight, which overcomes present in the LED floodlight of prior art Weak point.

Technical scheme is used by the utility model solves its technical problem：A kind of lens, including centerbody, around this The extension body that centerbody outer peripheral edge is set, the centerbody bottom are provided with depressed part, and the inner surface of the depressed part includes making light Line injects the first incidence surface of the centerbody and makes the second incidence surface of the light injection extension body；The centerbody top surface The first exiting surface is formed, the extension body top surface forms the second exiting surface, and the bottom surface of the extension body forms reflecting surface, directive institute The light for stating reflecting surface is all-trans through the reflecting surface and is incident upon second exiting surface, and the light of the second exiting surface is through institute described in directive State the second exiting surface light extraction or be all-trans and be incident upon the reflecting surface.

Further, first incidence surface and/or the reflecting surface are set to check face.

Further, each small lattice surface on the check face is respectively convex outward.

Further, ito film layer has been respectively coated on first exiting surface and second exiting surface.

Further, the radial dimension of the extension body is gradually small from top to bottom, and the outer end of the extension body is high-end, institute The inner of extension body is stated as low side and is integrally connected with the centerbody periphery.

Further, first exiting surface is convex outward, and the second incidence surface top surrounding enters with described first Smooth surface edge connects.

Further, end is arranged with location division to the extension in vitro.

The utility model separately provides a kind of LED floodlight, including radiating shell, light source board, driving power, fixed support, The fixed support is connected to the radiating shell both sides, and the driving power and the light source board are arranged on the radiating shell It is interior, the driving power and light source board electrical connection；Also include lens described above, the lens are located at the light source board On.

Further, heat-conducting plate is provided between the light source board and the radiating shell, and/or, the radiating shell back of the body Face is provided with some grooves.

Further, the lens outer end links together with the radiating shell, and is combined with water proof ring therebetween.

Compared to prior art, the utility model has the advantages that：

1st, the setting of the centerbody and extension body makes lens of the present utility model form a reflective optic lens, makes The light-emitting zone of the whole exiting surface of lens becomes big, and can reduce whole lamp height and reduce production cost.

2nd, first incidence surface and/or the reflecting surface are set to check face, can be played using check face light diffusion and The function of reflection, improve the uniformity of light extraction.

3rd, ito film layer has been respectively coated on first exiting surface and second exiting surface, can have been formed certainly on surface By ion, reduce hydrone surface energy, be advantageous to the dust that rainwater takes away lens surface, at the same free ion can decompose it is organic Thing, organic matter is decomposed into water and carbon dioxide, the first exiting surface and the second exiting surface for making lens will not be blocked by dust.

4th, the lens and radiating shell link together, and are combined with water proof ring therebetween, have both had anti-well Water-based energy, can cross IP65 classification of waterproof, and from setting up out the accessories such as light shield, therefrom reduce production cost.

The utility model is described in further detail below in conjunction with drawings and Examples；It is but of the present utility model a kind of saturating Mirror and LED floodlight are not limited to embodiment.

Brief description of the drawings

Fig. 1 is the diagrammatic cross-section of lens of the present utility model；

Fig. 2 is the structural representation one of lens of the present utility model；

Fig. 3 is the structural representation two of lens of the present utility model；

Fig. 4 is the decomposing schematic representation of LED floodlight of the present utility model；

Fig. 5 is the structural representation one of LED floodlight of the present utility model；

Fig. 6 is the structural representation two of LED floodlight of the present utility model；

Fig. 7 is the sectional view of LED floodlight of the present utility model；

Fig. 8 is the light path schematic diagram of LED floodlight of the present utility model.

Embodiment

Embodiment, refer to shown in Fig. 1-Fig. 3, a kind of lens of the present utility model, the lens 10 include centerbody 11, enclosed The extension body 12 set around the outer peripheral edge of centerbody 11, the bottom of centerbody 11 is provided with depressed part, the interior table of the depressed part Face includes the first incidence surface 111 for making light inject the centerbody 11 and makes the second of the light injection extension body 12 to enter light Face 112.The top surface of centerbody 11 forms the first exiting surface 113, and the top surface of extension body 12 forms the second exiting surface 122, institute The bottom surface for stating extension body 12 forms reflecting surface 121, and the light of reflecting surface 121 described in directive is all-trans through the reflecting surface 121 to be incident upon Second exiting surface 122, the light of the second exiting surface 122 is through the light extraction of the second exiting surface 122 or total reflection described in directive To the reflecting surface 121.

In the present embodiment, the top surrounding of the second incidence surface 112 connects with the edge of the first incidence surface 111, And second incidence surface 112 close to the face of cylinder, the first incidence surface 111 is overall more smooth.First incidence surface 111 and described anti- Penetrate face 121 and be set to check face, and each small lattice surface on check face is respectively convex outward.

In this implementation, ito film layer has been respectively coated (in figure on first exiting surface 113 and second exiting surface 122 Do not embody).The ito film layer can form free ion on surface, reduce hydrone surface energy, be advantageous to rainwater and take away lens measure The dust in face, while organic matter can be decomposed into water and carbon dioxide by free ion with decomposing organic matter, make the first of lens to go out The exiting surface 122 of smooth surface 113 and second will not be blocked by dust.First exiting surface 113 is convex outward.

In the present embodiment, the radial dimension of the extension body 12 is gradually small from top to bottom, and the outer end of the extension body 12 is High-end, the inner of the extension body 12 integrally connects for low side and with the periphery of centerbody 11, and second exiting surface 122 With reflecting surface 121 respectively close to inclined-plane.The outer end of extension body 12 is arranged with location division 13.

Refer to shown in Fig. 4-Fig. 8, a kind of LED floodlight of the present utility model, including radiating shell 60, light source board 20, Driving power 30, U-shaped fixed support 80, it is relative that the fixed support 80 uses screw 90 to lock onto the radiating shell 60 Both sides, the driving power 30 and the light source board 20 are arranged in the radiating shell 60, the driving power 30 and described Light source board 20 electrically connects, and the back side of radiating shell 60 also extends through a waterproof connector lug 70.LED floodlight of the present utility model Also include lens 10 described above, the lens 10 are located on the light source board 20.

In the present embodiment, heat-conducting plate 40, specifically, light source board 20 are provided between the light source board 20 and the radiating shell 60 It is screwed in heat-conducting plate in radiating shell 60, the material of heat-conducting plate 40 can be aluminium, copper or high heat conduction heat pipe.It is described The back side of radiating shell 60 is provided with some grooves 61, increases the area of dissipation of radiating shell 60, heat radiation using the groove 61 Can, the rainwater and dew of open air can also be collected, plays certain evaporative heat loss function.

In the present embodiment, the outer end of lens 10 links together with the radiating shell 60, and is combined with therebetween Water proof ring 50.The outer end of lens 10 is the location division 13, the outlines of the lens 10 be it is square, the four of its location division 13 Individual turning position is respectively arranged with screw 131, and screw 100 screws in accordingly after passing through the through hole opened up on the turning of radiating shell 60 In screw 131, lens 10 and radiating shell 60 are locked together.

Operation principle of the present utility model is as follows：Each LED 21 on light source board 20 is luminous, and a part of light passes through described First incidence surface 111 injects the centerbody 11 of lens 10, and a part of light injects lens 10 by second incidence surface 112 In extension body 12.Into centerbody 11 the first exiting surface of light directive 113 and through the first exiting surface 113 reflect light extraction, such as Fig. 2 It is shown.Into the reflecting surface 121 of a part of directive extension body 12 of light of extension body 12, a part of then directive extension body 12 Two exiting surfaces 122；Second exiting surface of the light of directive reflecting surface 121 directive extension body 12 after the total reflection of reflecting surface 121 122, the light some of the second exiting surface of directive 122 reflects light extraction through the second exiting surface 122, and some is then through the second exiting surface 122 It is all-trans and is incident upon the reflecting surface 121 of extension body 12, and the second exiting surface of directive 122 again after the total reflection of reflecting surface 121, such as Fig. 2 institutes Show.By the total reflection of reflecting surface 121 and the total reflection and refraction of the second exiting surface 122, and the setting in the check face, make The light-emitting zone of whole lamp becomes big and more uniform.

Above-described embodiment is only used for further illustrating a kind of lens of the present utility model and LED floodlight, but this practicality is new Type is not limited to embodiment, every any simply to be repaiied according to what the technical essence of the utility model was made to above example Change, equivalent variations and modification, each fall within the protection domain of technical solutions of the utility model.

Claims

A kind of 1. lens, it is characterised in that：The extension body set including centerbody, around the centerbody outer peripheral edge, the center Body bottom is provided with depressed part, and the inner surface of the depressed part includes the first incidence surface for making light inject the centerbody and makes light Line injects the second incidence surface of the extension body；The centerbody top surface forms the first exiting surface, and the extension body top surface is formed Second exiting surface, the bottom surface of the extension body form reflecting surface, and the light of reflecting surface is totally reflected through the reflecting surface described in directive To second exiting surface, the light of the second exiting surface described in directive is incident upon described anti-through the second exiting surface light extraction or be all-trans Penetrate face.
2. lens according to claim 1, it is characterised in that：First incidence surface and/or the reflecting surface are set to lattice Line face.
3. lens according to claim 2, it is characterised in that：Each small lattice surface on the check face is respectively evagination Curved surface.
4. lens according to claim 1, it is characterised in that：On first exiting surface and second exiting surface respectively Coated with ito film layer.
5. lens according to claim 1, it is characterised in that：The radial dimension of the extension body is gradually small from top to bottom, and The outer end of the extension body is high-end, and the inner of the extension body integrally connects for low side and with the centerbody periphery.
6. lens according to claim 1, it is characterised in that：First exiting surface is convex outward, second incidence surface Top surrounding connects with the first incidence surface edge.
7. lens according to claim 1, it is characterised in that：End is arranged with location division to the extension in vitro.
8. a kind of LED floodlight, including radiating shell, light source board, driving power, fixed support, the fixed support are connected to The radiating shell both sides, the driving power and the light source board are arranged in the radiating shell, the driving power and The light source board electrical connection；It is characterized in that：Also include the lens as any one of claim 1-7, the lens cap is set On the light source board.
9. LED floodlight according to claim 8, it is characterised in that：Set between the light source board and the radiating shell There is heat-conducting plate, and/or, the radiating shell back side is provided with some grooves.
10. LED floodlight according to claim 8, it is characterised in that：The lens outer end is connected with the radiating shell Together, water proof ring and is combined with therebetween.