CN208794179U - A kind of LED wall wash lamp - Google Patents

Abstract

The utility model relates to a kind of LED wall wash lamps, including lamp body, a pair of of end cap, lampshade, LED light source board and driving power, the lamp body is the strip lamp body made of aluminium section, it has the light-source chamber and heat dissipation cavity separated by a partition, also with the light-emitting window of the face mounting surface in the light-source chamber, the lampshade is mounted at light-emitting window, the LED light source board is fixedly mounted in light-source chamber, the driving power is electrically connected with LED lamp bead, a pair of of end cap is respectively and fixedly installed on the both ends of lamp body length direction, and the sealed end as light-source chamber and heat dissipation cavity, also there is a hollow extension on the end cap, the free end of the extension extends in heat dissipation cavity, also have and corresponding through-hole in the hollow region of the extension on the end cap, between the outer wall of the extension and the inner wall of heat dissipation cavity It is also equipped with sealing ring, to solve the problems, such as existing LED wall wash lamp weak heat-dissipating and poor sealing.

Description

A kind of LED wall wash lamp

Technical field

The utility model relates to lighting areas, are specifically related to a kind of LED wall wash lamp.

Background technique

Wall lamp, as its name suggests, allow light as water wash metope because its shape be strip, also someone by it Referred to as LED line, main is also to be used to do building decoration illumination to be used, and there are also the profiles for being used to sketch the contours heavy construction, have Energy conservation, the features such as light efficiency is high, rich in color, the service life is long.Existing LED wall wash lamp generally comprises lamp body, and lamp body has an accommodating cavity, LED light source component is provided in accommodating cavity, accommodating intra-bladder instillation forms sealant layer and coats LED light source component；Lamp body also has There is light-emitting window, LED light source component can outwardly throw light, and then the illumination of realization LED wall wash lamp through light-emitting window.Due to LED wall wash lamp is chiefly used in outdoor, is all now real to positions such as light-emitting windows in lamp body by way of breaking sealant in the art It now seals, and then ensures the waterproof effect of LED wall wash lamp.

Since LED wall wash lamp is placed in outdoor for a long time, it is be easy to cause aging, the fracture of sealant in lamp body, causes to seal Failure is easily accessible extraneous water flow in LED wall wash lamp, thus to LED light source component and other electronic components Constituting influences, and since the water flow entered in LED wall wash lamp is difficult to flow out, is easy to remain in the sealing of LED light source component On glue-line, lead to the long-term ponding of sealant layer, can equally constitute on LED light source component and other electronic components influences. In addition, since LED wall wash lamp is integral sealing, so that the heat dissipation effect of LED wall wash lamp is poor.

Utility model content

The utility model is intended to provide a kind of LED wall wash lamp, to solve existing LED wall wash lamp weak heat-dissipating and leakproofness not Good problem.

Concrete scheme is as follows:

A kind of LED wall wash lamp, including lamp body, a pair of of end cap, lampshade, LED light source board and driving power, the lamp body be by Strip lamp body made of aluminium section has the light-source chamber and heat dissipation cavity separated by a partition, the light-source chamber and heat dissipation Chamber extends through lamp body along lamp body length direction, and the partition, which is located on the face in light-source chamber, to be had along lamp body length direction The mounting surface of extension, also with the light-emitting window of the face mounting surface in the light-source chamber, the lampshade is mounted at light-emitting window, institute Stating LED light source board and being fixedly mounted on the mounting surface of partition and be sticked has several LED lamp beads, the driving power and LED light Pearl electrical connection, a pair of of end cap is respectively and fixedly installed on the both ends of lamp body length direction, and as the close of light-source chamber and heat dissipation cavity It blocks, also there is a hollow extension, the free end of the extension extends in heat dissipation cavity, on the end cap on the end cap Also have with corresponding through-hole in the hollow region of the extension, between the outer wall of the extension and the inner wall of heat dissipation cavity also Sealing ring is installed.

It further, further include the gasket being separately mounted on lamp body length direction both ends, which includes and lamp Sealing surface that the end face of body fits, the relief hole passed through for extension and annular seal in heat dissipation cavity is extended to, it should Annular seal is as the sealing ring between the outer wall of extension and the inner wall of heat dissipation cavity.

Further, the radial section of the heat dissipation cavity is minor arc shape, and the annular seal of the gasket is and heat dissipation The minor arc shape that chamber matches, the arc inner wall of the annular seal of the gasket are to be gradually reduced inside from the end face of lamp body The conical surface.

Further, also have on the end cap and be embedded the plug in the through-hole of end cap, have on the plug several A air hole.

Further, filter screen is additionally provided in the plug.

Further, there are the multiple radiating fins extended along lamp body length direction in the heat dissipation cavity.

LED wall wash lamp provided by the utility model has the advantage that the utility model provides compared with prior art LED wall wash lamp lamp body in there is mutually isolated light-source chamber and heat dissipation cavity, LED light source board is mounted in light-source chamber, and end cap will Light-source chamber and heat dissipation cavity sealing guarantee the normal work of LED light source, but outer so that outside air cannot enter in light-source chamber Portion's air can circulate from heat dissipation cavity, and the heat generated when so as to which LED lamp bead working is taken away, and improve the effect of heat dissipation Rate.

Detailed description of the invention

Fig. 1 shows the schematic diagram of LED wall wash lamp.

Fig. 2 shows the cross-sectional view of LED wall wash lamp in radial directions.

Fig. 3 shows cross-sectional view of the LED wall wash lamp in the axial direction at upper end cover.

Fig. 4 shows the schematic diagram of gasket.

Specific embodiment

To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

As shown in Figure 1-Figure 3, the utility model provides a kind of LED wall wash lamp, the LED wall wash lamp include include lamp body 10, a pair of of end cap 20, lampshade 30, LED light source board 40 and driving power (not shown).Wherein, with reference to Fig. 2, the lamp body 10 be the strip lamp body made of aluminium section, and in the present embodiment, lamp body 10 is approximately cuboid shape, is had by one The light-source chamber 110 and heat dissipation cavity 120 that partition 100 separates, the light-source chamber 110 and heat dissipation cavity 120 are along the length side of lamp body 10 To lamp body 10 is extended through, i.e., light-source chamber 110 and heat dissipation cavity 120 are all in the both ends upper opening of the length direction of lamp body 10, institute Stating has the mounting surface 100a extended along 10 length direction of lamp body, the light-source chamber on the face that partition 100 is located in light-source chamber 110 Also there is the light-emitting window 112 of face mounting surface 100a, the lampshade 30 is mounted at light-emitting window 112, the partition on 110 100 are located on the face in heat dissipation cavity 120 with the multiple radiating fins 122 extended along lamp body length direction, the LED light source board 40 are fixedly mounted on the mounting surface 100a of partition, and are sticked and have several LED lamp beads 400, the driving power and LED lamp bead Electrical connection, to drive LED lamp bead to work.

A pair of of end cap 20 is respectively and fixedly installed on the both ends of 10 length direction of lamp body, and as light-source chamber 110 and heat dissipation Light-source chamber 110 is formed seal cavity by the sealed end of chamber 120, i.e. two end cap 20, lampshade 30, and two end cap 20 is by 120 shape of heat dissipation cavity At seal cavity, and the two seal cavities are kept apart.Also there is a hollow extension 200 on the end cap 20, it should The free end of extension 200 extends in heat dissipation cavity 120, also has the hollow region with the extension 200 on the end cap 20 Interior corresponding through-hole 210, the i.e. extension 200 are connected to outside, the outer wall and heat dissipation cavity 120 of the extension 200 Inner wall between be also equipped with sealing ring 50, sealing ring 50 can guarantee the leakproofness between extension 200 and heat dissipation cavity 120, External air is passed through from heat dissipation cavity 120, but not is entered in light-source chamber 110, ensure that light-source chamber 110 Under the premise of airtightness, the heat that LED light source generates can be taken away a part by the runner air of heat dissipation cavity 120, be improved The heat dissipation effect of the LED wall wash lamp.

In the present embodiment, it is preferred that it further include the gasket 60 being separately mounted on 10 length direction both ends of lamp body, it should Gasket 60 includes the sealing surface 600 to fit with the end face of lamp body, the relief hole 602 passed through for extension and extends to scattered The intracavitary annular seal 604 of heat, the annular seal 604 is as between the outer wall of extension 200 and the inner wall of heat dissipation cavity 120 Sealing ring, to improve the leakproofness between end cap 20 and lamp body 10.

It is further preferred that the radial section of the heat dissipation cavity 120 is minor arc shape, the ring of the gasket 60 with reference to Fig. 2 Shape sealing 604 is the minor arc shape to match with heat dissipation cavity, the arc inner wall of the annular seal 604 of the gasket 60 be from The conical surface that the end face of lamp body is gradually reduced inside, and the angle changing rate of the conical surface is small, not more than 2 ° under normal circumstances, in order to Extension 200 is inserted into, and the outer wall of extension 200 can cause to squeeze to the inner wall of annular seal 604, so that ring packing Portion 604 is tightly attached on the inner wall of heat dissipation cavity 120, guarantees its sealing performance.

In the present embodiment, with reference to Fig. 3, also have on the end cap 20 and be embedded the plug 70 in the through-hole 210 of end cap, There are several air holes 700 on the plug 70, entered in heat dissipation cavity 120 with the particulate matter reduced in air.Further Preferably, it is additionally provided with filter screen 710 in the plug 70, heat dissipation cavity 120 is entered to the particulate matter being further reduced in air It is interior.

In the present embodiment, in order to improve radiating efficiency, have in the heat dissipation cavity 120 and to extend along lamp body length direction Multiple radiating fins 122.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (6)

1. a kind of LED wall wash lamp, including lamp body, a pair of of end cap, lampshade, LED light source board and driving power, it is characterised in that: institute Stating lamp body is the strip lamp body made of aluminium section, has the light-source chamber and heat dissipation cavity separated by a partition, the light Source chamber and heat dissipation cavity extend through lamp body along lamp body length direction, and the partition, which is located on the face in light-source chamber, to be had along lamp The mounting surface that body length direction extends, also with the light-emitting window of the face mounting surface in the light-source chamber, the lampshade is mounted on At light-emitting window, the LED light source board, which is fixedly mounted on the mounting surface of partition and is sticked, several LED lamp beads, the driving Power supply is electrically connected with LED lamp bead, and a pair of of end cap is respectively and fixedly installed on the both ends of lamp body length direction, and as light-source chamber and The sealed end of heat dissipation cavity also has a hollow extension on the end cap, and the free end of the extension extends in heat dissipation cavity, Also have on the end cap with corresponding through-hole in the hollow region of the extension, the outer wall of the extension and heat dissipation cavity Sealing ring is also equipped between inner wall.

2. LED wall wash lamp according to claim 1, it is characterised in that: further include being separately mounted to lamp body length direction two Gasket on end, the gasket include the sealing surface to fit with the end face of lamp body, the relief hole passed through for extension and The annular seal in heat dissipation cavity is extended to, the annular seal is as close between the outer wall of extension and the inner wall of heat dissipation cavity Seal.

3. LED wall wash lamp according to claim 2, it is characterised in that: the radial section of the heat dissipation cavity is minor arc shape, institute The annular seal for stating gasket is the minor arc shape to match with heat dissipation cavity, the arc inner wall of the annular seal of the gasket For the conical surface being gradually reduced inside from the end face of lamp body.

4. LED wall wash lamp according to claim 1, it is characterised in that: also have on the end cap and be embedded in the logical of end cap Plug in hole has several air holes on the plug.

5. LED wall wash lamp according to claim 4, it is characterised in that: be additionally provided with filter screen in the plug.

6. LED wall wash lamp according to claim 1, it is characterised in that: have in the heat dissipation cavity along lamp body length direction The multiple radiating fins extended.