CN202852685U

CN202852685U - Water-droplet-gathering-proof lens board and light-emitting diode (LED) module

Info

Publication number: CN202852685U
Application number: CN 201220479227
Authority: CN
Inventors: 赵凤层; 何伟; 罗凡
Original assignee: Shenzhen Jiawei Photovoltaic Lighting Co Ltd
Current assignee: Jiawei New Energy Co., Ltd.
Priority date: 2012-09-19
Filing date: 2012-09-19
Publication date: 2013-04-03
Anticipated expiration: 2022-09-19

Abstract

The utility model relates to the technical field of lens boards, and discloses a water-droplet-gathering-proof lens board. The droplet-gathering-proof lens board comprises a board body and lenses which are arranged on the lower surface of the board body in a protrusion mode. The board body is provided with a protrusion block which protrudes downwards and is arranged in a ring mode. A surrounded area is defined by the protrusion block. The lenses are arranged in the surrounded area, and the height of the protrusion block is larger than the height of the lenses. Water droplets slide towards the lower surface of the board body along the edges of the board body of the lens board, are blocked by the ring-shaped protrusion block, are incapable of sliding to the lenses, and therefore are incapable of influencing transmission effect of the lenses. When light-emitting diodes (LED) are arranged in the lens, rays of light emitted by the LEDs can not be influenced. When the water-droplet-gathering-proof lens board is used in outdoor lighting lamps, illumination requirements of the outdoor lighting lamps can be ensured.

Description

Lens board and LED module that the anti-globule is assembled

Technical field

The utility model relates to the technical field of lens, relates in particular to the anti-globule lens board of assembling and the LED module that comprises this lens board.

Background technology

LED is as light source of new generation, with its excellent performance, promptly used in illuminating industry and promotes, and particularly the application in the lighting is more outstanding out of doors.Outdoor lighting is higher to the light distribution requirements of LED to light fixture, mostly adopts at present the secondary lens luminous intensity distribution, and trends towards modular design.

In the prior art, shown in Fig. 1 ~ 2, be lens board 11 " cut-away illustration; lens board 11 " comprises plate body 111 " and exposes and is arranged on plate body 111 " lens 112 of lower surface "; plate body 111 " upper end is provided with for the groove 114 of placing circuit board "; and lens 112 " in be provided with communication groove 114 " and being used for are placed LED115 " cavity 113 "; like this; lens board 11 ", LED115 " and circuit board has formed the LED module; in this structure, add lens with respect to LED, and the outside arranges cloche again; it can reduce cloche to LED115, and " lose, thereby improved the light efficiency of outdoor lighting lamp by the secondary of light efficiency.But lens board 11 of the prior art has following drawback, when raining, the marginal flow of water droplet 2 " then can along plate body 111 " is to the lens 112 of its lower surface " on; form the globule, like this, when lens 112 " in LED115 " are luminous; the globule then can produce lens 112 " effects, so that LED115 " the radiation direction of ejaculation change, thereby affect original luminous intensity distribution of LED module, affect the luminance effects of outdoor lighting lamp.

The utility model content

The lens board that the purpose of this utility model is to provide the anti-globule to assemble is intended to solve in the prior art, and when rainy day, rainwater can form the globule along the marginal flow of lens board plate body to the lens of its lower surface, thereby affects the direction of the light that LED sends.

The utility model is to realize like this, the lens board that the anti-globule is assembled, the lens that comprise plate body and be convexly set in described plate body lower surface, the projection that described plate body is provided with downward protrusion and arranges in the form of a ring, described projection encloses and is enclosing region, described lens are positioned at described enclosing region, and the height of described projection is greater than described lens height.

Further, described projection and described plate body are one-body molded.

Further, described plate body outward flange extends to form described projection downwards.

Further, the medial surface of described projection is outward-dipping inclined-plane.

The utility model also provides the LED module, and it comprises the lens board that the above-mentioned anti-globule is assembled.

Compared with prior art, the plate body of the lens board in the utility model is provided with projection, and this projection is shape ringwise, encloses enclosing region, and the lens of plate body lower surface are positioned at this enclosing region, like this, when running into rainy day, water droplet is along the edge of lens board plate body, slide to the plate body lower surface, be subject to stopping of annular lug, it can not slide on the lens, thereby can the transmission effects of lens not impacted; When being provided with LED in the lens, then can the light-emitting line of LED not exerted an influence, this lens board is used in the outdoor lighting lamp, can guarantee the illumination requirement of outdoor lighting lamp.

Description of drawings

Fig. 1 is the cut-away illustration of lens board of the prior art;

Fig. 2 is the globule of the prior art effect schematic diagram on the impact of LED radiation direction on lens;

Fig. 3 is the cut-away illustration of the lens board assembled of the anti-globule that the utility model embodiment provides;

Fig. 4 is the schematic perspective view one of the lens board assembled of the anti-globule that the utility model embodiment provides;

Fig. 5 is the schematic perspective view two of the lens board assembled of the anti-globule that the utility model embodiment provides.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

The lens board that the utility model provides the anti-globule to assemble, the lens that comprise plate body and be convexly set in described plate body lower surface is characterized in that, described plate body lower surface convexes with the projection of arranging ringwise, described projection is enclosed enclosing region, and described lens are positioned at described enclosing region.

In the utility model, because lens are arranged in the enclosing region that annular lug is enclosed, like this, can guarantee that water droplet can not flow on the lens, thereby guarantee the regular transmission effect of lens, can the light-emitting line of LED in the lens not impacted, when lens board is used in the outdoor lighting lamp, then can guarantee the illumination requirement of outdoor lighting lamp.

Below in conjunction with concrete accompanying drawing realization of the present utility model is described in detail.

Shown in Fig. 3 ~ 5, a preferred embodiment that provides for the utility model.

The lens board 11 that the anti-globule that present embodiment provides is assembled comprises plate body 111 and is convexly equipped with lens 112 at plate body 111 lower surfaces, plate body 111 upper surfaces are provided with the groove 114 to lower recess, this groove 114 can be used for placing the control elements such as circuit board, and accordingly, lens 112 upper ends are provided with the cavity 113 of communication groove 114, after circuit board is placed in the groove 114, the LED that is electrically connected on the circuit board then can correspondence be placed in this cavity 113, thereby, the light that LED sends then directly scioptics 112 transmissions go out.

Certainly, the shape of above-mentioned lens 112 can design according to light distribution requirements, and the transmission of the light that namely sends according to LED requires to set.

In the present embodiment, the projection 116 that is provided with downward protrusion and formation annular configuration of plate body 111, this projection 116 ringwise, its lower surface at plate body 111 forms enclosing region 118,112 on lens on above-mentioned plate body 111 lower surfaces are positioned at this enclosing region 118, like this, when meeting rainy day, rainwater along the marginal flow of plate body 111 to plate body 111 lower surfaces, it then can be subject to stopping of projection 116, namely form the globule at projection 116, and along with passage of time, under action of gravitation, the globule can drop, thereby can not arrive lens 112 places, thereby can not impact lens 112, be i.e. the light that sends of LED, defer to the transmission requirement of lens 112 fully, thereby the light distribution requirements of LED module can not change yet, and guarantees the illumination requirement of outdoor lighting lamp.

And the height of projection 116 is higher than the height of lens 112, and like this, when lens board 11 was placed on the table, lens 112 can not compressed, thereby plays the effect of lens 112 on the protection lens board 11.

Particularly, the edge of above-mentioned plate body 111 is to downward-extension, formed above-mentioned projection 116, certainly, projection 116 also not necessarily is arranged on the edge of plate body 111, it can be set directly at the lower surface of plate body 111, as long as its enclosing region that surrounds 118 then can so that lens 112 are arranged in this enclosing region 118.

In the present embodiment, cross projection 116 in order further to avoid water droplet 2, the medial surface of above-mentioned projection 116 is set to outward-dipping inclined-plane 117, and the angle on inclined-plane 117 then can be decided according to actual conditions fully.

Present embodiment also provides the LED module, and it comprises above-mentioned lens board 11, LED and circuit board, and circuit board is placed in the groove 114 of lens board 11 upper surfaces, and LED is electrically connected at circuit board, and is placed in the cavity 113 of lens 112.Because the lens 112 of lens board 11 are not affected by the globule can, so the luminous intensity distribution of this LED module can be not influenced yet.

Particularly, the lower surface of the plate body 111 of lens board 11 is provided with a plurality of lens 112, and like this, accordingly, the number of LED also is a plurality of, like this, can satisfy the requirement of many LED illuminations.

The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. prevent the lens board that the globule is assembled, the lens that comprise plate body and be convexly set in described plate body lower surface, it is characterized in that, the projection that described plate body is provided with downward protrusion and arranges in the form of a ring, described projection encloses and is enclosing region, described lens are positioned at described enclosing region, and the height of described projection is greater than described lens height.

2. the lens board of anti-globule gathering as claimed in claim 1 is characterized in that described projection and described plate body are one-body molded.

3. the lens board of anti-globule gathering as claimed in claim 1 or 2 is characterized in that described plate body outward flange extends to form described projection downwards.

4. the lens board of anti-globule gathering as claimed in claim 1 or 2 is characterized in that the medial surface of described projection is outward-dipping inclined-plane.

5.LED module is characterized in that, comprises the lens board that each described anti-globule of claim 1 ~ 4 is assembled.