CN201391826Y

CN201391826Y - Lens module of LED street lamp

Info

Publication number: CN201391826Y
Application number: CN200920052784U
Authority: CN
Inventors: 吴新伟; 蓝开锋
Original assignee: Dongguan Yijia Photoelectricity Science & Technology Co Ltd
Current assignee: Dongguan Yijia Photoelectricity Science & Technology Co Ltd
Priority date: 2009-03-17
Filing date: 2009-03-17
Publication date: 2010-01-27
Anticipated expiration: 2019-03-17

Abstract

The utility model relates to the technical field of a lens, in particular to a lens module of an LED street lamp. The lens module comprises a lens main body which is formed in an integrated manner. The lens main body which is made of transparent PC presents the shape of a flat block, two or more light-transmission cup bodies are formed at the bottom end of the lens main body, inner concave parts used for placing LED lamps are arranged at the top parts of the light-transmission cup bodies, and the bottom end faces of the inner concave parts are sunken downwards. As the LED lamps in the LED street lamp can be placed in the inner concave parts of the light-transmission cup bodies, the distance between the LED lamps and the lens main body is small, which leads light rays emitted by each LED lamp to be respectively scattered, reflected and emitted out again, lessens the impact of light rays scattering among the LED lamps, and makes sure light-out angles of the light rays emitted by the plurality of LED lamps are the same, thereby making full use of the light rays emitted by each LED lamp to improve the brightness of the LED street lamp.

Description

A kind of LED street lamp lens module

Technical field:

The utility model relates to the lens technologies field, relates in particular to a kind of LED street lamp lens module.

Background technology:

Because LED (Light Emitting Diode, light emitting diode) long service life, energy consumption is low, energy savings is remarkable, high-power, high-brightness LED has been widely used in the daily life as light source, and as the LED street lamp, it is low in energy consumption, brightness is high, long service life.The LED street lamp requires the range of exposures of LED lamp bigger in use, so, generally can be provided with lens on the shell of LED street lamp, be used to enlarge the range of exposures of LED lamp.The lens of the existing LED of being used for street lamp mainly adopt by what glass was made and are hemispheric concavees lens, promptly the middle part caves inward, the block glass of perk all around, as China Patent No. is 200710031037.0 disclosed high-power LED street lamp fixtures, lens on its shell are hemispheric concavees lens exactly, though the light that this lens can send LED lamp diffusion, but, because the distance between LED lamp and the lens surface is bigger, cause the difficult control of rising angle of LED lamp easily, be that the light that the LED lamp sends is comparatively dispersed, the light that makes the LED lamp send can not be utilized fully, has reduced the brightness of LED street lamp; And this lens of making by structural glass, weight is big, volume is big, is unfavorable for the transportation and the installation of LED street lamp.

The utility model content:

The purpose of this utility model is exactly the LED street lamp lens module that a kind of LED of raising street lamp brightness is provided at the deficiency of prior art existence.

To achieve these goals, the technical solution adopted in the utility model is:

It comprises integrated lens body, described by transparent PC (Polycarbonate, Merlon) lens body of making is straight bulk, its bottom forms two or more printing opacity cups, the top of printing opacity cup offers the inner fovea part that is used to place the LED lamp, and the bottom end face of inner fovea part is to lower recess.

The bottom end face of described inner fovea part is by the plane, constitute to the cambered surface and the inclined downward of lower recess, and cambered surface is positioned at the middle part of inner fovea part, and two planes lay respectively at the both sides of cambered surface, and the inclined-plane is positioned at the outside on plane.

Described lens body is rectangular, and the printing opacity cup is the bottom that matrix is arranged in lens body, and the printing opacity cup is a cuboid, and four seamed edges of bottom are equipped with fillet.

The number of the printing opacity cup of described lens body bottom is 12.

Offer screw hole on the described lens body.

Offer the groove that is used to place waterproof apron on the described lens body.

Form reinforcement on the described lens body.

The utility model beneficial effect is:

A kind of LED street lamp lens module that the utility model provides comprises integrated lens body, the described lens body of being made by transparent PC is straight bulk, its bottom forms two or more printing opacity cups, the top of printing opacity cup offers the inner fovea part that is used to place the LED lamp, and the bottom end face of inner fovea part is to lower recess; Because the LED lamp in the LED street lamp can be placed in the inner fovea part of printing opacity cup, distance between LED lamp and the lens body is less, the light that makes each LED lamp send can spread respectively with reflective, launch again, reduced the divergent rays influence between each LED lamp, the rising angle that has guaranteed the light that a plurality of LED lamps send is identical, thereby has made full use of the light that each LED lamp sends, the brightness that has improved the LED street lamp.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the enlarged diagram at A place among Fig. 1;

Fig. 3 is the structural representation of the utility model other direction;

Fig. 4 is a vertical view of the present utility model;

Fig. 5 is the B-B cutaway view of Fig. 4.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is further described, see shown in Fig. 1～5, the utility model comprises integrated lens body 1, the described lens body of being made by transparent PC 1 is straight bulk, its bottom forms two or more printing opacity cups 2, the top of printing opacity cup 2 offers the inner fovea part 3 that is used to place the LED lamp, and the bottom end face of inner fovea part 3 is to lower recess; Because the LED lamp in the LED street lamp can be placed in the inner fovea part 3 of printing opacity cup 2, distance between LED lamp and the lens body 1 is less, the light that makes each LED lamp send can spread respectively with reflective, launch again, reduced the divergent rays influence between each LED lamp, the rising angle that has guaranteed the light that a plurality of LED lamps send is identical, thereby has made full use of the light that each LED lamp sends, the brightness that has improved the LED street lamp.

The bottom end face of present embodiment inner fovea part 3 is by plane 32, constitute to the cambered surface 31 and the inclined downward 33 of lower recess, be positioned at the middle part of inner fovea part 3 to the cambered surface 31 of lower recess, and be in lowermost end, two planes 32 lay respectively at the both sides of cambered

surface

31,33 outsides that are positioned at plane 32, two inclined-planes; Described lens body 1 is rectangular, and printing opacity cup 2 is the bottom that matrix is arranged in lens body 1, and printing opacity cup 2 is a cuboid, and four seamed edges of bottom are equipped with fillet 21; So, the printing opacity cup 2 that is provided with fillet 21 of said structure and constitute the concavees lens with diffusion effect of light to the inner fovea part 3 of lower recess is common; Certainly, the physical dimension of printing opacity cup 2 and inner fovea part 3, concavo-convex situation as fillet 21 radiuses, curved inner surface, can set according to different bright dipping requirement and lighting effect, as set long to, wide to rising angle be 127 degree, not only can enlarge the range of exposures of LED lamp, and the brightness that can improve the LED street lamp.

The number of the printing opacity cup 2 of present embodiment lens body 1 bottom is 12, promptly 12 printing opacity cups 2 are formed a module, so the utility model can be formed the LED street lamp of different LED lamp number, can form the LED street lamp of 72 LED lamps, 8 modules as 6 modules and can form the LED street lamp that the LED street lamp of 96 LED lamps, 10 modules can be formed 120 LED lamps.Therefore, the utility model has characteristics such as in light weight, that volume is little by the lens body 1 that transparent PC makes, and can be convenient to the transportation and the installation of LED street lamp.

Offer screw hole 4 on the present embodiment lens body 1, be used to install and fix lens body 1; Also offer the groove 5 that is used to place waterproof apron on the described lens body 1, groove 5 is positioned at the outside of lens body 1 ringwise, forms reinforcement 6 on the lens body 1, makes the structure of lens body 1 more firm.

Certainly, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims

1, a kind of LED street lamp lens module, it comprises integrated lens body (1), it is characterized in that: the described lens body of being made by transparent PC (1) is straight bulk, its bottom forms two or more printing opacity cups (2), the top of printing opacity cup (2) offers the inner fovea part (3) that is used to place the LED lamp, and the bottom end face of inner fovea part (3) is to lower recess.

2, a kind of LED street lamp lens module according to claim 1, it is characterized in that: the bottom end face of described inner fovea part (3) is by plane (32), constitute to the cambered surface (31) of lower recess and inclined downward (33), cambered surface (31) is positioned at the middle part of inner fovea part (3), two planes (32) lay respectively at the both sides of cambered surface (31), and inclined-plane (33) are positioned at the outside of plane (32).

3, a kind of LED street lamp lens module according to claim 1, it is characterized in that: described lens body (1) is rectangular, printing opacity cup (2) is the bottom that matrix is arranged in lens body (1), and printing opacity cup (2) is a cuboid, and four seamed edges of bottom are equipped with fillet (21).

4, a kind of LED street lamp lens module according to claim 3, it is characterized in that: the number of the printing opacity cup (2) of described lens body (1) bottom is 12.

5, a kind of LED street lamp lens module according to claim 1 is characterized in that: offer screw hole (4) on the described lens body (1).

6, a kind of LED street lamp lens module according to claim 5 is characterized in that: offer the groove (5) that is used to place waterproof apron on the described lens body (1).

7, a kind of LED street lamp lens module according to claim 6 is characterized in that: form reinforcement (6) on the described lens body (1).