CN210511193U

CN210511193U - LED lawn floodlight

Info

Publication number: CN210511193U
Application number: CN201921277832.2U
Authority: CN
Inventors: 瞿杉; 黄玲香; 潘兴泉
Original assignee: Zhuhai Jinhan Decorative Lighting Co ltd
Current assignee: Zhuhai Jinhan Decorative Lighting Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-12
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a LED lawn floodlight, which comprises a lampshade, a sealing ring, a lens, an integrated light source and a lamp holder; the front surface of the lamp holder is a planar radiating surface, and the integrated light source comprises an LED lamp and an LED lamp driver which are integrated on a planar radiating fin; the front surface of the lampshade is provided with a sealing lip edge, and the inner contour of the sealing lip edge forms a light outlet; the sealing lip limit, lens, sealing washer and cooling surface extrude in proper order in succession and form sealed chamber, integrated light source sets up in sealed intracavity and fixed laminating on the cooling surface, the lamp stand need not to set up curved chamber that holds again and holds LED lamp and drive, integrated light source's plane fin direct mount is laminated on the cooling surface, the area of contact of integrated light source with the lamp stand has been increased, the reinforcing radiating effect, and the lamp stand cooling surface can be directly through polishing processing, high efficiency, the cooling surface is also smooth and flat, the sealed effect of reinforcing heat dissipation and sealing washer.

Description

LED lawn floodlight

Technical Field

The utility model relates to a lighting lamp technical field especially relates to a LED lawn floodlight.

Background

Modern life is compact and fast, people work busy in daytime and relax at night, outdoor places such as courtyards, parks and squares are the places where people relax, soft and relaxed light of night scenes creates a relaxing atmosphere for people, the lawn floodlight provides a soft floodlight effect, the LED lamp needs to be connected with a driver compared with other lamps due to the fact that constant-current direct-current power supply is needed, the lawn floodlight body and the driver on the market are separately arranged at present, an arc-shaped containing cavity needs to be arranged on the lamp shell to contain a split LED lamp driver, then the LED lamp panel is fixed on a fixing column, the structure enables the size of the lamp shell to be larger, meanwhile, the LED lamp driver and the LED lamp panel are designed in a split mode, the LED lamp driver and the lamp shell are fixed in a dot-shaped mode through screws, the heat conducting area is small, and heat dissipation of the LED lamp and the driver is not facilitated, the temperature in the lamp body is higher, the aging of electronic devices is accelerated, and the service life is shortened; lawn floodlights are used outdoors and therefore, a waterproof seal is also an important cause of life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a LED lawn floodlight with good heat dissipation and sealing.

The utility model provides a technical scheme that its technical problem adopted is:

an LED lawn floodlight comprises a lampshade assembly, a sealing ring, an integrated light source and a lamp holder; the lamp holder is provided with a planar radiating surface, the two sides of the sealing ring are respectively attached to the lampshade assembly and the radiating surface, so that the openings on the two sides of the sealing ring are sealed to form a sealed cavity, the integrated light source is attached to the radiating surface and arranged in the sealing ring, and the radiating surface is provided with a wire through hole and a conductive wire of the integrated light source penetrates through the wire through hole.

The technical scheme at least has the following beneficial effects: the utility model discloses a lawn floodlight, through the lamp shade subassembly, the sealing washer with the lamp stand extrusion forms sealed chamber, the lamp stand need not to set up curved holding chamber again and holds LED lamp and drive, simultaneously the front design of lamp stand is a planar cooling surface, integrated light source direct fixation laminating in on the cooling surface, increased the area of contact of integrated light source with the lamp stand, reinforcing radiating effect, and the lamp stand front design is a plane, can directly process through the mode of polishing, need not to use the processing of low efficiency milling machine, makes processing more simple high-efficient, the cooling surface is smooth and level also, increases area of contact, reinforcing heat dissipation, also reinforcing the sealed effect of sealing washer; the LED lamp set up in sealed intracavity, sealed chamber by the sealing washer encircles and seals two openings part of sealing washer the lamp shade subassembly with the cooling surface is constituteed, therefore sealed respond well.

Furthermore, one side of the lamp holder, which is far away from the radiating surface, is provided with a plurality of radiating ribs. The radiating ribs increase the radiating surface area and further enhance the radiating effect of the radiating surface.

Further, the lamp shade subassembly includes lamp shade and lens, the front of sealing washer is provided with the lens groove, lens inlay and adorn in the lens inslot.

Furthermore, a sealing lip edge is arranged at the position, corresponding to the sealing ring, of the lampshade, and a light outlet is formed in the inner contour of the sealing lip edge; the front surface of the lens is provided with a boss which protrudes upwards and penetrates through the light outlet.

Further, the inner contour of the sealing lip coincides with the outer contour of the boss, and the front face of the boss protrudes from the front face of the sealing lip.

Further, the top edge of the boss is provided with a drainage inclined plane, and the drainage inclined plane is connected with the front surface of the sealing lip edge and the front surface of the boss.

Further, the front surface of the lampshade is provided with a rain-shielding eave.

Furthermore, a drainage groove is arranged on the front surface of the sealing ring.

Furthermore, a drain hole is formed in the side wall of the lampshade corresponding to the drain groove.

Further, the side wall of the lampshade surrounds and wraps the heat dissipation surface.

Drawings

The following figures are further illustrative of the present invention.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the lamp cover in the present invention;

fig. 3 is a schematic structural diagram of the sealing ring and the lens according to the present invention;

fig. 4 is a schematic structural diagram of the lamp socket of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the positional or orientational relationships, such as those indicated above, below, left, right, front, back, inner, outer, front, back, top, bottom, clockwise, counterclockwise, axial, radial, circumferential, longitudinal, transverse, central, vertical, horizontal, etc., are based on the positional or orientational relationships shown in the drawings and are merely for convenience of description of the present invention and to simplify the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As used herein, "front" refers to a direction in which light emitted toward the LED lamp is emitted, and "back" refers to a direction opposite to the direction of "front".

Referring to fig. 1 and 4, the LED lawn floodlight comprises a lampshade assembly, a sealing ring 2, an integrated light source 4 and a lamp holder 5; the lamp holder 5 is provided with a planar radiating

surface

51, 2 both sides of sealing washer laminate respectively in lamp shade subassembly with radiating surface 51 makes the airtight sealed chamber 6 that forms of opening of 2 both sides of sealing washer, integrated light source 4 laminate in on the radiating surface 51 and set up in the sealing washer 2, radiating surface 51 is provided with the wire through-hole and integrated light source 4's conductor wire passes the wire through-hole. The integrated light source 4 is disposed in the sealed cavity 6 and is fixedly attached to the heat dissipation surface 51, and may be attached or welded by an adhesive material, specifically, in this embodiment, fixed by a screw, and heat dissipation silicone grease is coated between the heat dissipation plate and the heat dissipation surface 51.

The lamp shade assembly, the sealing ring 2 and the radiating surface 51 are extruded to form a sealing cavity 6, the lamp holder 5 does not need to be provided with an arc-shaped accommodating cavity for accommodating an LED lamp and a driver, and the integrated light source 4 comprises the LED lamp and an LED lamp driver which are integrated on a plane radiating fin, so that the front surface of the lamp holder 5 is designed into the plane radiating surface 51, the plane radiating fin of the integrated light source 4 is directly and fixedly attached to the radiating surface 51, and further, the integrated light source 4 is fixed on the plane radiating fin through a plurality of fixing screws 41, so that the contact area between the integrated light source 4 and the lamp holder 5 is increased, and the radiating effect is enhanced; the LED lamp set up in the seal chamber 6, seal chamber 6 by sealing washer 2 encircles and seals two openings department of sealing washer 2 lens 3 with the cooling surface 51 is constituteed, therefore sealed respond well.

The reverse side of the lamp holder 5 is provided with a plurality of heat dissipation ribs (not shown in the figure). The heat dissipation ribs are positioned on the reverse side of the heat dissipation surface 51, and the heat dissipation surface area is increased through the plurality of heat dissipation ribs, so that the heat dissipation effect of the heat dissipation surface 51 is further enhanced.

Referring to fig. 2-3, the front surface of the lens 3 is provided with a boss 31, a lens sealing edge 32 is formed around the edge of the boss 31, the front surface of the sealing ring 2 is provided with a lens groove 22, the lens sealing edge 32 is embedded in the lens groove 22, and the front surface of the lens sealing edge 32 and the front surface of the sealing ring 2 are on the same plane; with reference to fig. 1, the inner contour of the sealing lip 13 coincides with the outer contour of the boss 31, and the front face of the boss 31 protrudes from the front face of the sealing lip 13; referring to fig. 1, a drainage bevel 311 is cut around the upper edge of the boss 31, the drainage bevel 311 connecting the front face of the sealing lip 13 and the front face of the boss 31. Therefore, the sealing lip edge 13 presses the sealing ring 2 and the lens sealing edge 32 to seal the light outlet of the floodlight, and meanwhile, the drainage inclined surface 311 can quickly drain away the accumulated water in the boss 31, so that the accumulated water cannot be generated at the light outlet of the lens, even if a small amount of rainwater permeates between the sealing lip edge 13 and the lens sealing edge 32,

the boss 31 and the drainage ramp 311 will quickly drain away the accumulated water so that no accumulated water will be present around the inner contour of the sealing lip 13, even if an abnormal situation occurs such that rainwater penetrates between the sealing lip 13 and the lens sealing edge 32,

the front surface of the sealing ring 2 is provided with a drainage groove 21, a drainage hole 12 is arranged at a position of the side wall of the lampshade 1 corresponding to the drainage groove 21, and specifically, the drainage groove 21 is arranged at a lower position, so that water flows out along the drainage groove 21 under the action of gravity and finally flows out through the drainage hole 12.

The front surface of the lampshade 1 is provided with a rain-shielding eave 11 which can shield rain from impacting the lens 3 and limit the light range of the floodlight.

The side wall of the lamp shade 1 surrounds and wraps the heat radiating surface 51, specifically, the inner contour of the side wall of the lamp shade 1 coincides with the outer contour of the heat radiating surface 51, so that the lamp shade 1 and the lamp holder 5 are more attractive after being installed, and the sealing performance is better.

Referring to fig. 1, still be provided with wire inlet hole 52 on the cooling surface 51, wire inlet hole 52 is a slope straight hole, and the conductor wire of floodlight passes through wire inlet hole 52 inserts from the outside in the sealed chamber 6 integrated light source 4, simultaneously, conical wire sealing plug 7 is installed to the outside entrance in wire inlet hole 52, wire sealing plug 7 is sealed wire inlet hole 52 prevents that water from getting into in the sealed chamber 6, and further, wire inlet hole 52 can the injecting glue carry out secondary seal.

Adjusting arm 8 is still installed to lamp stand 5, adjusting arm 8 pass through the screw with lamp stand 5 fixed connection.

The above is only the preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should fall into the protection scope of the present invention as long as it is reached by any of the same or similar means.

Claims

1. An LED lawn floodlight is characterized by comprising a lampshade assembly, a sealing ring (2), an integrated light source (4) and a lamp holder (5); the lamp holder (5) are provided with a planar radiating surface (51), the sealing ring (2) two sides are respectively fitted to the lampshade assembly and the radiating surface (51), so that the openings on the two sides of the sealing ring (2) are sealed to form a sealed cavity (6), the integrated light source (4) is fitted to the radiating surface (51) and arranged in the sealing ring (2), the radiating surface (51) is provided with a wire through hole, and the conductive wire of the integrated light source (4) penetrates through the wire through hole.

2. A LED lawn floodlight according to claim 1, characterized in that the side of the lamp holder (5) facing away from the heat dissipating surface (51) is provided with a plurality of heat dissipating ribs.

3. An LED lawn floodlight according to claim 1, characterized in that the lampshade assembly comprises a lampshade (1) and a lens (3), the front surface of the sealing ring (2) is provided with a lens groove (22), and the lens (3) is embedded in the lens groove (22).

4. A LED lawn floodlight according to claim 3, characterized in that the lampshade (1) is provided with a sealing lip (13) at a position corresponding to the sealing ring (2), and the inner contour of the sealing lip (13) forms a light outlet; the front surface of the lens (3) is provided with a boss (31) which protrudes upwards and penetrates through the light outlet.

5. A LED lawn floodlight according to claim 4, characterized in that the inner contour of the sealing lip (13) coincides with the outer contour of the boss (31), and the front face of the boss (31) protrudes beyond the front face of the sealing lip (13).

6. A LED lawn floodlight according to claim 4, characterized in that the top edge of the boss (31) is provided with a drainage ramp (311), the drainage ramp (311) connecting the front face of the sealing lip (13) and the front face of the boss (31).

7. A LED lawn floodlight according to claim 1, characterized in that the front surface of the lampshade (1) is provided with a rain-shielding eave (11).

8. A LED lawn floodlight according to claim 1, characterized in that the sealing ring (2) is provided with a drainage channel (21) on the front side.

9. A LED lawn floodlight according to claim 8, characterized in that the side wall of the lampshade (1) is provided with a drainage hole (12) at a position corresponding to the drainage groove (21).

10. A LED lawn floodlight according to any of claims 1-9, characterized in that the side walls of the housing (1) surround the heat dissipating surface (51).