WO2013177784A1

WO2013177784A1 - Led street lamp and heat dissipation window therefor

Info

Publication number: WO2013177784A1
Application number: PCT/CN2012/076356
Authority: WO
Inventors: 蒋泽全
Original assignee: 深圳市普耐光电科技有限公司
Priority date: 2012-05-31
Filing date: 2012-05-31
Publication date: 2013-12-05

Abstract

An LED street lamp and heat dissipation window therefor, the heat dissipation window for the LED street lamp comprising a window frame (110), a protection board (120), and a plurality of window slats (130) intervally disposed on the window frame (110); the window frame (110) comprises an inner surface (111) and an outer surface (112); the outer surface (112) gradually extends outward from top to bottom; the protection board (120) is disposed at the uppermost end of the outer surface (112); the upper edges of the window slats (130) are disposed on the inner side of the window frame (110), and the lower edges of the window slats (130) are disposed on the outer side of the window frame (110); and in the vertical direction, the upper edge of each window slat (130) is higher than the lower edge of the previous window slat (130).

Description

Heat dissipation window and LED street lamp for LED street lamp

Technical field

The present application relates to a lighting fixture, and more particularly to a heat dissipation window and an LED street lamp for an LED street lamp.

Background technique

Existing LED street lamps are gradually replacing traditional street lamps because of their high efficiency, energy saving and high brightness. At present, LED street lamp manufacturers generally use two kinds of heat dissipation structures, one is that the heat sink is directly exposed. The other is a built-in heat sink, and then a lot of holes are made in the upper end of the case to help dissipate heat. The heat dissipation structures of these two methods are easily slid by dust and bird droppings and other objects from the top to the heat sink or block the heat dissipation holes, so that the heat dissipation of the heat sink is hindered, and the aging and damage of the street lamps are accelerated.

technical problem

The present application provides a heat dissipation window and an LED street lamp for an LED street lamp that can prevent heat dissipation from being hindered.

Technical solution

According to a first aspect of the present application, the present application provides a heat dissipation window for an LED street lamp, comprising a window frame, a shield, and a plurality of window panels spaced apart from the window frame, the window frame including an inner surface and An outer surface, the outer surface gradually extending outward from top to bottom, the shield is disposed at an uppermost end of the outer surface, and the upper edge of the vane is disposed inside the window frame, and the lower edge of the window leaf Arranged outside the window frame, and in the vertical direction, the upper end of each of the window vanes is higher than the lower end of the upper one.

According to a second aspect of the present application, the present application provides an LED street lamp comprising a housing and an LED lamp body, the LED lamp body comprising a heat sink and a lamp cap disposed on the heat sink, and further comprising two heat dissipation windows, the housing Horizontally disposed and open at both ends, the outer casing has a cavity penetrating through the two ends, the heat dissipation window is respectively disposed on the opening, the outer casing bottom plate is provided with a mounting hole, and the heat sink is disposed in the cavity of the outer casing In the body, the lamp cap is mounted on the outer casing through the mounting hole, the heat dissipation window includes a window frame, a shielding plate and a plurality of window panels spaced apart from the window frame, the window frame including an inner surface and An outer surface, the outer surface gradually extending outward from top to bottom, the shield is disposed at an uppermost end of the window frame, and an upper edge of the window leaf is disposed inside the window frame, and a lower edge of the window leaf Located outside the sash, and in the vertical direction, the upper edge of each of the vanes is higher than the lower edge of the previous vane.

Beneficial effect

The application has the beneficial effects that the present application comprises a plurality of window panels disposed on the window frame and a shield plate disposed at the uppermost end of the outer surface. The outer surface gradually extends outward from the top to the bottom, and the upper edge of the window leaf is disposed on the window frame. On the inner side, the lower edge of the window leaf is disposed outside the window frame, and the upper edge of each window leaf is higher than the lower edge of the upper window leaf, so that there is a gap between the adjacent window leaves, which can dissipate heat well and prevent dust, When rainwater enters, it can also avoid heat dissipation caused by dust, bird droppings, etc., which is blocked by the surface of the radiator, and also avoids the aging and damage of the street lamp.

DRAWINGS

1 is a schematic perspective structural view of a heat dissipation window according to an embodiment of the present application;

2 is a schematic perspective structural view of a heat dissipation window according to another embodiment of the present application;

3 is a schematic structural view of a window leaf according to an embodiment of the present application;

4 is a schematic structural view of an LED street lamp according to an embodiment of the present application;

Figure 5 is an enlarged schematic view of a portion A of Figure 4;

6 is a diagram showing an air heat dissipation flow of an LED street lamp according to an embodiment of the present application.

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings.

Embodiment 1:

As shown in FIG. 1 to FIG. 6 , an embodiment of the heat dissipation window 100 for an LED street lamp of the present application includes a window frame 110 , a protection panel 120 , and a window leaf 130 . On the window frame 110. The sash 110 includes an inner surface 111 and an outer surface 112 that gradually extends outward from top to bottom, and a fender 120 is disposed at the uppermost end of the outer surface 111 to prevent rainwater from entering from the upper end of the heat dissipation window 100. The upper edge of the window leaf 130 is disposed inside the window frame 110, and the lower edge of the window leaf 130 is disposed outside the window frame 110. In the present application, the inside of the sash 110 refers to a portion that is close to the inner surface 111, and the outer side of the sash 110 refers to a portion that is close to the outer surface 112. In the vertical direction, the upper edge of each vane 130 is higher than the lower edge of the upper vane 130.

In one embodiment, the window leaf 130 includes a first leaf surface 131, a second leaf surface 132, and a connecting surface 133. The first leaf surface 131 is a vertical surface, the second leaf surface 132 is a sloped surface, and the connecting surface 133 is connected. A leaf surface 131 and a second leaf surface 132. The plurality of vanes 130 may also be arranged in parallel and at equal intervals. The connecting surface 133 is an outwardly concave curved surface. In the present embodiment, the outward concave curved surface refers to a concave curved surface facing the outer surface 112.

In one embodiment, the first foliage faces 131 of the plurality of vanes 130 are coplanar and the second foliage faces 132 of the plurality of vanes 130 are coplanar. That is, the plurality of first leaf faces 131 may be disposed in the same vertical plane, and the second leaf faces 132 of the plurality of window leaves 130 may also be disposed in the same slope.

Embodiment 2:

The difference between the embodiment and the first embodiment is that the lower frame 140 of the window frame 110 is a triangular prism, and the lower frame 140 has a lower frame upper surface 141, a lower frame outer surface 142 and a lower frame inner surface 143, and the lower frame upper surface 141 faces. The lower surface of the window leaf 130, the lower frame outer surface 142 is outward of the heat dissipation window 100, and the lower frame inner surface 143 faces the inner side of the heat dissipation window 100. The lower frame 140 is provided with a through hole 144 that penetrates the lower frame upper surface 141 and the lower frame outer surface 142. There may be one or more through holes 144. In the present application, since the lower frame 140 of the window frame 110 is a triangular prism, the window frame 110 is provided with a through hole 144 extending through the lower frame upper surface 141 and the lower frame outer surface 142, so that air can also enter and exit from the through hole 144, and the lower frame The triangular prism allows the shape of the through hole 144 to facilitate air in and out for circulation.

In one embodiment, the lower frame upper surface 141 is a horizontal plane, and the position of the through hole 144 on the lower frame upper surface 141 inward exceeds the vertical projection of the first leaf surface 131 on the lower frame upper surface 141. When the rainwater is rainy, if the rainwater enters the heat dissipation window, it can flow to the lower frame of the window frame and flow out from the through hole 144 of the present application.

Embodiment 3:

One embodiment of the LED street lamp of the present application includes a housing 200, an LED lamp body 300, and a heat dissipation window 100. The LED lamp body 300 may have one or more. The LED lamp body 300 includes a heat sink 310 and a lamp cap 320. The lamp cap 320 is disposed on the heat sink 310. The outer casing 200 is horizontally disposed and has openings at both ends. The outer casing 200 has a cavity 210 extending through the two ends, and the heat dissipation window 100 has two, two The heat dissipation windows 100 are respectively disposed on the openings of the two ends, and the bottom plate of the outer casing 200 is provided with a mounting hole. The heat sink 310 is disposed in the cavity 210 of the outer casing 200. The lamp cap 320 is mounted on the outer casing 200 through the mounting hole, and the heat dissipation window 100 includes the window frame. 110. The protective plate 120 and the window leaf 130 have a plurality of window leaves 130 and are disposed on the window frame 110 at intervals. The sash 110 includes an inner surface 111 and an outer surface 112. The outer surface 111 gradually extends outward from the top to the bottom, and the shield 120 is disposed at the uppermost end of the outer surface 111 to prevent rainwater from entering the LED street lamp from the upper end of the heat dissipation window 100. The upper edge of the window leaf 130 is disposed inside the window frame 110, and the lower edge of the window leaf 130 is disposed outside the window frame 110. In the present application, the inside of the sash 110 refers to a portion that is close to the inner surface 111, and the outer side of the sash 110 refers to a portion that is close to the outer surface 112. In the vertical direction, the upper edge of each vane 130 is higher than the lower edge of the upper vane 130.

Embodiment 4:

The difference between the embodiment and the third embodiment is that the lower frame 140 of the window frame 110 is a triangular prism, and the lower frame 140 has a lower frame upper surface 141, a lower frame outer surface 142 and a lower frame inner surface 143, and the lower frame upper surface 141 faces. The lower surface of the window leaf 130, the lower frame outer surface 142 is outward of the heat dissipation window 100, and the lower frame inner surface 143 faces the inner side of the heat dissipation window 100. The lower frame 140 is provided with a through hole 144 that penetrates the lower frame upper surface 141 and the lower frame outer surface 142. There may be one or more through holes 144. The present application can form an air flow passage between the heat dissipation window 100 at one end of the outer casing 200, the cavity 210, and the heat dissipation window 100 at the other end of the outer casing 200 for heat dissipation. In the present application, since the lower frame 140 of the window frame 110 is a triangular prism, the window frame is provided with a through hole 144 extending through the lower frame upper surface 141 and the lower frame outer surface 142, so that air can not only enter and exit from the gap between the window leaves, but also It can enter and exit through the through hole 144 to speed up the flow of air and dissipate heat more quickly.

In one embodiment, the lower frame upper surface 141 is a horizontal plane, and the position of the through hole 144 on the lower frame upper surface 141 inward exceeds the vertical projection of the first leaf surface 131 on the lower frame upper surface 141. When the rainwater is rainy, if the rainwater enters the heat dissipation window 100, it can flow to the window frame lower frame 140 and flow out from the through hole 144 of the present application. The LED street lamp of the present application can be used not only as a general street lamp, but also in a place with a bad environment, such as a large wind, a large amount of dust, a large number of birds, etc., and can ensure the service life of the street lamp. 6 is a diagram showing the air heat dissipation flow of the LED street lamp of the present application, wherein the direction of the arrow is the air flow direction.

The above is a further detailed description of the present invention in connection with the specific embodiments, and the specific embodiments of the present invention are not limited to the description. A number of simple derivations or substitutions may be made by those skilled in the art without departing from the inventive concept.

Industrial applicability

Sequence table free content

Claims

A heat dissipation window for an LED street lamp, comprising: a window frame, a shield plate and a plurality of window panels spaced apart from the window frame, the window frame comprising an inner surface and an outer surface, the outer surface Extending outwardly from top to bottom, the shield is disposed at an uppermost end of the outer surface, the upper edge of the vane is disposed inside the window frame, and the lower edge of the vane is disposed outside the window frame And in the vertical direction, the upper edge of each of the vanes is higher than the lower edge of the previous vane.
The heat dissipation window for an LED street lamp according to claim 1, wherein the window leaf comprises a first leaf surface, a second leaf surface and a connecting surface, wherein the first leaf surface is a vertical surface, The second leaf surface is a sloped surface, and the connection surface connects the first leaf surface and the second leaf surface.
A heat dissipation window for an LED street lamp according to claim 2, wherein a plurality of said window leaves are arranged in parallel.
The heat dissipation window for an LED street lamp according to claim 2, wherein the connecting surface is an outward concave curved surface.
The heat dissipation window for an LED street lamp according to claim 2, wherein the first foliar faces of the plurality of vanes are coplanar, and the second foliar faces of the plurality of vanes are coplanar.
The heat dissipation window for an LED street lamp according to any one of claims 2 to 5, wherein a lower frame of the window frame is a triangular prism, and the lower frame has a lower surface facing the lower surface of the window leaf. The upper surface of the frame faces the outer surface of the lower frame facing the outer side, and the lower frame is provided with a through hole penetrating the upper surface of the lower frame and the outer surface of the lower frame.
The heat dissipation window for an LED street lamp according to claim 6, wherein the upper surface of the lower frame is a horizontal surface, and the through hole extends inwardly beyond the vertical surface of the first leaf surface on the upper surface of the lower frame Straight projection.
An LED street lamp includes a casing and an LED lamp body, the LED lamp body includes a heat sink and a lamp cap disposed on the heat sink, and further comprising two heat dissipation windows, the casing is horizontally disposed and open at both ends, The outer casing has a cavity through which the two ends are penetrated, the heat dissipation window is respectively disposed on the opening, the outer casing bottom plate is provided with a mounting hole, the heat sink is disposed in a cavity of the outer casing, and the lamp head passes through the The mounting hole is mounted on the outer casing, the heat dissipation window includes a window frame, a shielding plate and a plurality of window panels spaced apart from the window frame, the window frame including an inner surface and an outer surface, the outer surface Extending outwardly from top to bottom, the protective plate is disposed at an uppermost end of the window frame, an upper edge of the window leaf is disposed inside the window frame, and a lower edge of the window leaf is disposed outside the window frame And in the vertical direction, the upper edge of each of the vanes is higher than the lower edge of the previous vane.
The LED street lamp of claim 8 wherein said window leaf comprises a first leaf surface, a second leaf surface and a joining surface, said first leaf surface being a vertical surface and said second leaf surface being a bevel, the connecting surface connecting the first foliar and the second foliar.
The LED street lamp of claim 9 wherein a plurality of said vanes are arranged in parallel.
The LED street light of claim 9 wherein said connecting surface is an outwardly concave curved surface.
The LED street light of claim 9 wherein the first leaf faces of the plurality of vanes are coplanar and the second fringes of the plurality of vanes are coplanar.
The LED street lamp according to any one of claims 9 to 12, wherein a lower frame of the window frame is a triangular prism, and the lower frame has a lower frame upper surface facing the lower surface of the window leaf. And an outer surface of the lower frame facing the outer side, wherein the lower frame is provided with a through hole penetrating the upper surface of the lower frame and the outer surface of the lower frame.
The LED street lamp of claim 13, wherein the upper surface of the lower frame is a horizontal surface, and the through hole extends inward beyond a vertical projection of the first leaf surface on the upper surface of the lower frame.