WO2017156871A1

WO2017156871A1 - Garden led lighting apparatus

Info

Publication number: WO2017156871A1
Application number: PCT/CN2016/083313
Authority: WO
Inventors: 于欢欢; 雍兴春
Original assignee: 深圳市耀嵘科技有限公司
Priority date: 2016-03-12
Filing date: 2016-05-25
Publication date: 2017-09-21
Also published as: CN205896902U

Abstract

A garden LED lighting apparatus able to hold a two-pronged support frame (70), comprising power sources (20), a heat dissipation device (30), an LED light source plate (50), a lamp cover (60), and the two-pronged support frame (70); the heat dissipation device (30) comprises a heat dissipation device middle part (32) having a cambered surface shape, and heat dissipation device recessed parts (31) arranged opposite one another on the two sides of the heat dissipation device middle part (32); a plurality of second heat dissipation fins (34) are arranged on the heat dissipation device middle part (32); a heat dissipation channel (35) for air convection is formed between adjacent second heat dissipation fins (34), the two ends thereof communicating with the exterior; a heat dissipation opening (37) of the two ends of the heat dissipation channel (35) faces toward the ground; the power sources (20) are arranged inside the heat dissipation device recessed parts (31); the LED light source plate (50) is fixed below the heat dissipation device (30); the lamp cover (60) covers the heat dissipation device (30); the heat dissipation device (30) is covered by the lamp cover (60) and the downward orientation of the heat dissipation openings (37) ensures that the heat dissipation channel (35) does not easily accumulate dust.

Description

Courtyard LED lighting

Technical field

The invention belongs to the technical field of lighting devices, and in particular relates to a courtyard lighting device.

Background technique

The lighting device in the prior art, especially some lighting devices disposed in the courtyard, is easy to accumulate ash; after the ash is accumulated in the heat dissipation channel, the heat dissipation performance is easily reduced, which affects the service life of the lamp.

Glossary:

LED is the abbreviation of English light emitting diode, Chinese meaning is LED.

Summary of the invention

The technical problem to be solved by the present invention is to avoid the above-mentioned prior art courtyard lighting device which is easy to accumulate dust, which leads to a decrease in heat dissipation performance and affects the service life of the lamp. A garden LED lighting device is proposed for converting external power source. a power supply for supplying power to the illumination device, a heat sink for dissipating heat from the illumination device, an LED light source panel for illuminating illumination, and a lamp cover; the heat sink including a curved surface of the heat sink and symmetrically disposed at an intermediate portion of the heat sink a heat sink recessed portion on both sides; a plurality of second heat sinks are disposed on the arcuate heat sink intermediate portion; each of the second heat sinks extends upward from a bottom surface of the heat sink intermediate portion and faces along an arc portion of the heat sink intermediate portion Radiation on both sides; a heat dissipation channel for air convection that communicates with the outside at both ends is formed between the two adjacent second heat sinks; the heat dissipation ports at both ends of the heat dissipation channel are oriented toward the ground; the power source is disposed at either end a recessed portion of the heat sink; the LED light source panel is fixedly connected to the light source mounting surface below the heat sink; the lamp cover is disposed on the heat sink The heat dissipation port of the heat dissipation channel is located below the lamp cover.

The courtyard LED lighting device further includes a double-prong support frame for supporting, the double-pronged support frame having a cross-section Y-shaped cross section, including a bottom support post and two symmetrically disposed upper support portions for supporting the heat sink The two upper support portions are respectively connected to both ends of the bottom of the heat sink.

There are two power sources, which are respectively disposed in the recessed portions of the heat sink at both ends.

a recess (38) for dissipating heat is disposed in a middle portion of the bottom portion of the recess portion of the heat dissipating body, and a plurality of first fins (33) are disposed on an inner wall of the recess portion of the heat dissipating body around the recess (38), The power supply is mounted on the recess (38), and both ends of the power supply are fixed on the first heat sink (33).

The upper support portion (73) is provided with a lamp arm fixing hole (75), and the fastener fixedly connects the double fork support frame (70) and the heat sink via the lamp arm fixing hole (75).

The upper support portion (73) has a hollow or solid inverted triangle shape, and the top corner portion of the triangular upper support portion (73) is fixedly connected to the bottom support column (71); the top corner portion corresponds to the top edge portion A lamp arm fixing hole (75) is provided, and the fastener is fixedly connected to the heat sink via a lamp arm fixing hole (75).

The upper support portion (73) is cylindrical, one end is fixedly connected with the bottom support column (71); the other end is provided with a lamp arm fixing hole (75), and the fastener is disposed via the lamp arm fixing hole (75) The double fork support frame (70) is fixedly connected to the heat sink.

The bottom of the bottom support column (71) is provided with a sleeve hole (76) for socketing the lighting device on the external connection lamp post.

The courtyard LED lighting device may further include an integral lens (90), the lens (90) is fixed under the LED light source plate; the integral lens (90) is further provided with a lens sealing groove (95) for accommodating the sealing strip.

The top surface of the lamp cover is a smooth curved top surface.

Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The heat dissipation port of the heat dissipation channel faces the ground direction, so that the port surface of the heat dissipation port is not easy to accumulate the dust falling from the top to the bottom; 2. The smooth curved top surface The top cover covers the entire luminaire and the heat sink, so that the heat dissipation channel and the heat dissipation port and the LED light source plate between the heat sink are under the protection of the top cover, and it is not easy to accumulate dust.

DRAWINGS

1 is a schematic perspective view of an exploded state of a preferred embodiment of the present invention;

2 is a schematic axial projection view of the exploded state after removing the double-prong support frame 70 and the lamp cover 60;

3 is a schematic diagram of a combined state axonometric projection of a preferred embodiment of the present invention;

4 is a schematic diagram of the axonometric projection of the heat sink 30;

FIG. 5 is a second schematic view of the axonometric projection of the heat sink 30.

detailed description

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

A preferred embodiment of the courtyard LED lighting device as shown in Figures 1 to 5 includes a power source 20 for converting an external power source into a lighting device supply voltage, and a heat dissipation for the lighting device. a heat exchanger 30, an LED light source panel 50 for illuminating illumination, a lamp cover 60, and a double-prong support frame 70 for supporting; the heat sink 30 includes a curved radiator intermediate portion 32 and is symmetrically disposed in the middle of the heat sink a heat sink recess 31 on both sides of the portion 32; a plurality of second fins 34 are disposed on the arcuate heat sink intermediate portion 32; each of the second fins 34 extends upward from the bottom surface of the heat sink intermediate portion 32 The arc of the middle portion 32 of the heat sink radiates toward both sides; between the two adjacent second fins 34, a heat dissipating passage 35 for air convection that communicates with the outside at both ends is formed; the central axis of the heat dissipating passage 35 is the same An arc of a parallel surface of the radiator intermediate portion 32 is parallel; the heat dissipation ports 37 at both ends of the heat dissipation passage 35 are all facing the ground direction; the power source 20 is disposed in the heat sink recess portion 31 at either end; the LED light source The plate 50 is fixedly connected to the light source mounting surface 39 below the heat sink 30; the lamp cover 60 covers the heat sink 30, and the heat dissipation port 37 of the heat dissipation channel 35 is located below the lamp cover 60. The cross section of the double fork support frame 70 is in the uppercase letter Y type The bottom support post 71 and two symmetrically disposed upper support portions 73 for supporting the heat sink 30; the two upper support portions 73 are respectively connected to both ends of the bottom of the heat sink 30.

The heat dissipation port of the heat dissipation channel faces the ground direction, so that the ash deposition from the top to the bottom is not easily accumulated on the port plane of the heat dissipation port; and the lamp cover 60 covers the entire heat sink 30, so that the heat sink is entirely covered by the lamp cover. To prevent dust from falling directly into the heat dissipation channel.

In the preferred embodiment shown in Figures 3 and 5, the power source 20 has two, respectively disposed in the heat sink recesses 31 at both ends. A recess 38 for dissipating heat is disposed in the middle of the bottom portion of the heat dissipating body recessed portion 31. A plurality of first fins 33 and the power source 20 are disposed on the inner wall of the heat dissipating body recessed portion 31 around the recess 38. Mounted on the recess 38, the two ends of the power source 20 are fixed on the first heat sink 33.

In the preferred embodiment shown in FIG. 1, the upper support portion 73 is provided with a lamp arm fixing hole 75, and the fastener securely connects the double-prong support frame 70 and the heat sink 30 via the lamp arm fixing hole 75. The upper support portion 73 has a hollow or solid inverted triangle shape, and the top corner portion of the triangular upper support portion 73 is fixedly connected to the bottom support post 71; the top edge portion corresponding to the top corner is provided with a lamp arm fixing hole 75. The fastener securely connects the double-prong support frame 70 and the heat sink 30 via the lamp arm fixing hole 75. The bottom of the bottom support column 71 is provided with a sleeve hole 76 for socketing the lighting device on the external connection lamp post.

In another preferred embodiment, the upper support portion 73 is cylindrical, one end is fixedly connected to the bottom support post 71; the other end is provided with a lamp arm fixing hole 75, and the fastener is fixed through the lamp arm fixing hole. 75. The double fork support frame 70 and the heat sink 30 are fixedly connected.

In the preferred embodiment shown in FIG. 1, an integrated lens 90 is further included, and the lens 90 is fixed under the LED light source panel 50. The integrated lens 90 is further provided with a sealing strip for accommodating the sealing strip. Lens sealing groove 95. The top surface of the lamp cover 60 is a smooth curved top surface, and the smooth top surface makes it difficult for the top portion to accumulate dust and also reduces the probability of dust entering the heat dissipation channel.

The garden LED lighting device with double-fork support frame according to the patent technology of the present invention is intended to be easy to accumulate dust in the courtyard lighting device, resulting in lower heat dissipation performance, affecting the service life of the lamp, and configuring a smooth curved top cover and The heat sink under the top cover, the heat dissipation port at the two ends of the heat sink is oriented toward the ground, so that the light on the port plane of the heat dissipation port is not easy to accumulate from the top to the bottom, so that the heat dissipation channel is protected overall, it is difficult to accumulate dust, and can be maintained for a long time. Unblocked.

The above description is only an embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. The equivalent structure or equivalent process transformations made by using the description of the invention and the contents of the drawings, or directly or indirectly, in other related technical fields are all included in the scope of patent protection of the present invention.

Claims

A courtyard LED lighting device comprising:

a power source (20) for converting an external power source into a lighting device supply voltage, a heat sink (30) for illuminating device heat dissipation, an LED light source panel (50) for illuminating illumination, and a lamp cover (60);

The heat sink (30) includes a curved heat sink intermediate portion (32) and a heat sink recess portion (31) symmetrically disposed on both sides of the heat sink intermediate portion (32); the curved surface a plurality of second heat sinks (34) are disposed on the middle portion (32) of the heat sink;

Each of the second heat sinks (34) extends upward from the bottom surface of the heatsink intermediate portion (32) and radiates along the arc surface of the heatsink intermediate portion (32); two adjacent second heat sinks (34) form two a heat dissipation channel (35) for air convection communicating with the outside; the heat dissipation port (37) at both ends of the heat dissipation channel (35) is oriented toward the ground;

The power source (20) is disposed in a heat sink recess (31) at either end; the LED light source board (50) is fixedly connected to a light source mounting surface (39) below the heat sink (30); A lamp cover (60) covers the heat sink (30), and a heat dissipation port (37) of the heat dissipation channel (35) is located below the lamp cover (60).
A courtyard LED lighting device according to claim 1, wherein

Also included is a double-pronged support frame (70) for support, the double-pronged support frame (70) having a cross-section Y-shaped cross section, including a bottom support post (71) and two symmetrically disposed supports for supporting the heat sink ( 30) an upper support portion (73); the two upper support portions (73) are respectively connected to both ends of the bottom of the heat sink (30).
A courtyard LED lighting device according to claim 1, wherein

There are two power sources (20) disposed in the heat sink recesses (31) at both ends.
A courtyard LED lighting device according to claim 1, wherein

A recess (38) for dissipating heat is disposed in a middle of a bottom portion of the heat dissipating body recessed portion (31), and a plurality of first portions are disposed on an inner wall of the heat dissipating body recessed portion (31) around the recess (38) The heat sink (33) and the power source (20) are mounted on the recess (38), and both ends of the power source (20) are fixed on the first heat sink (33).
A courtyard LED lighting device according to claim 1, wherein

The upper support portion (73) is provided with a lamp arm fixing hole (75), and the fastener fixedly connects the double fork support frame (70) and the heat sink (30) via the lamp arm fixing hole (75).
A courtyard LED lighting device according to claim 1, wherein

The upper support portion (73) has a hollow or solid inverted triangle shape, and the top corner portion of the triangular upper support portion (73) is fixedly connected to the bottom support column (71); the top corner portion corresponds to the top edge portion A lamp arm fixing hole (75) is provided, and the fastener is fixedly connected to the heat sink (30) via the lamp arm fixing hole (75).
A courtyard LED lighting device according to claim 1, wherein

The upper support portion (73) is cylindrical, one end is fixedly connected with the bottom support column (71); the other end is provided with a lamp arm fixing hole (75), and the fastener is disposed via the lamp arm fixing hole (75) The double fork support frame (70) and the heat sink (30) are fixedly connected.
A courtyard LED lighting device according to claim 1, wherein

The bottom of the bottom support column (71) is provided with a sleeve hole (76) for socketing the lighting device on the external connection lamp post.
A courtyard LED lighting device according to claim 1, wherein

An integral lens (90) is also included, the lens (90) being fixed under the LED light source plate (50); the integral lens (90) is further provided with a lens sealing groove for accommodating the sealing strip (95).
A courtyard LED lighting device according to claim 1, wherein

The top surface of the lamp cover (60) is a smooth curved top surface.