CN206617779U - A kind of LED illumination lamp - Google Patents

Abstract

The utility model discloses an LED lighting fixture, which comprises a power supply, an LED light source assembly and a lamp housing. The lamp housing includes a lamp housing main body and a plurality of cooling fins, and the plurality of cooling fins are arranged around the lamp housing main body. The LED light source assembly is fixed on the main body of the lamp housing, and the power supply is fixedly connected to the lamp housing through a power supply mounting plate. In the LED lighting fixture provided by the utility model, the power supply and the LED light source assembly are directly arranged on the two ends of the main body of the lamp housing respectively. Radiating fins are also arranged around the main body of the lamp housing. Part, thereby greatly increasing the heat dissipation area, and at the same time greatly simplifying the structure of the LED lighting fixture and reducing the cost.

Description

A kind of LED lighting fixture

technical field

The utility model relates to the technical field of lighting device design, in particular to an LED lighting fixture.

Background technique

With the international community's restrictions on carbon emissions and the advocacy of energy conservation and emission reduction, people are looking for alternative light sources, and LED light sources have become the object of exploration. LED lamps have the advantages of energy saving, long life, good applicability, short response time, environmental protection, gorgeous colors, and pure luminous colors. They are the development direction of the lamp industry.

The existing LED lamps have the following disadvantages: 1. The whole lamp is large in size, especially factory lamps, and it is inconvenient to transport; 2. The waterproof and moisture-proof performance is poor. If it is in a humid environment, water vapor will penetrate into the substrate and affect the LED. The life of the lamp bead even causes the LED lamp bead to not light up; 3. The heat dissipation performance is poor, and the heat dissipation is made of light aluminum foil. , On the whole, it will affect the life of LED lamp beads.

Utility model content

Aiming at the problems raised in the background technology, the utility model provides an LED lighting fixture, which includes a power supply, an LED light source assembly and a lamp housing. The lamp housing includes a lamp housing main body and several heat dissipation fins. The LED light source assembly is fixed on the main body of the lamp housing, and the power supply is fixedly connected to the lamp housing through the power supply mounting plate.

Preferably, the heat dissipation fins are arranged on the back of the main body of the lamp housing.

Preferably, the plurality of heat dissipation fins extend radially from the middle of the main body of the lamp housing to the surroundings, and the ends protrude from the edge of the main body of the lamp housing.

Preferably, the ends of the heat dissipation fins are connected to each other through rings.

Preferably, each cooling fin includes a first cooling fin and a second cooling fin; one end of the first cooling fin is connected to the ring, and the other end is connected to the main body of the lamp housing; One end of the two cooling fins is connected to the middle position of the main body of the lamp housing, and the other end is extended toward the ring.

Preferably, the first heat sink and the second heat sink are vertically arranged on the back of the main body of the lamp housing, the cross-sections of the first heat sink and the second heat sink are arc-shaped, and the first heat sink The arc openings of the fin and the second heat sink are opposite.

Preferably, the power supply installation board is connected to the main body of the lamp housing, and the power supply is installed on the power supply installation board.

Preferably, the power supply mounting plate is also covered with a power supply shell, and the power supply shell and the power supply mounting plate form a sealed power supply cavity for accommodating the power supply.

Preferably, a sealing ring is provided at the connection between the power shell and the power installation board.

Preferably, a first waterproof connector is provided between the power supply mounting plate and the main body of the lamp housing for connection between the LED light source assembly and the power supply; a second waterproof joint is provided on the power supply housing. The connector is used to lead out the power wiring.

Preferably, the LED light source assembly includes a light emitting assembly and a lens, the light emitting assembly is arranged at one end of the lamp housing main body; the lens cover is arranged on the light emitting assembly, and is connected with one end of the lamp housing main body connect.

Preferably, the LED light source assembly further includes a threaded cover, the threaded cover is tightly pressed on a circle of the lens, and the threaded cover is connected with the main body of the lamp housing through a threaded structure.

Preferably, the lens is connected to the end of the lamp housing body through a buckle structure, and the buckle structure includes at least one buckle on the lamp housing body and at least one buckle on the lens. A hook, the hook passes through the light-emitting component and snaps into the buckle for connection.

Preferably, a sealing structure is provided at the junction between the lens and the lamp housing body, and the sealing structure includes a solid silicone ring and liquid silicone coated on the side of the solid silicone ring.

Preferably, the light-emitting assembly includes a base plate and a plurality of LED lamp beads arranged on the base plate, and the base plate is fixed on the end surface of the main body of the lamp housing.

Preferably, the main body of the lamp housing is also provided with threaded holes for installing anti-dropping devices.

Compared with the prior art, the utility model has the following advantages and positive effects due to the adoption of the above technical scheme:

1) In the LED lighting fixture provided by the utility model, the power supply and the LED light source assembly are directly arranged on both ends of the main body of the lamp housing respectively, and heat dissipation fins are extended around the main body of the lamp housing, thereby greatly increasing the heat dissipation area, and at the same time, the LED The structure of the lighting fixture is simple, which reduces the cost;

2) In the LED lighting fixture provided by the utility model, the power supply is installed in the closed space formed by the power supply installation board and the power supply shell, and is sealed with a seal, which can improve the waterproof and moisture-proof performance of the power supply;

3) In the LED lighting fixture provided by the utility model, the middle part between the lens and the radiator or the place close to the middle part is also fastened together by buckles and hooks, so that the middle of the lens will not bulge, and the light type and light effect There is a significant improvement effect;

4) The LED lighting fixture provided by the utility model achieves a double-layer sealing effect through the setting of a fixed silicone ring and liquid silicone between the joint of the lens and the radiator, and the function of cooperating with the threaded cover spinning, which not only improves the Waterproof and moisture-proof performance, and can protect the lamp beads from damage.

Description of drawings

In conjunction with the accompanying drawings, the above and other features and advantages of the present utility model can be more clearly understood through the detailed description below, wherein:

Fig. 1 is the front view of the LED lighting fixture provided by the utility model;

Fig. 2 is a structural schematic diagram of the upper end of the LED lighting fixture provided by the utility model;

Fig. 3 is a structural schematic diagram of the light-emitting surface of the LED lighting fixture provided by the utility model;

Fig. 4 is a schematic disassembly diagram of the LED lighting fixture provided by the present invention.

Symbol Description:

1-Second waterproof connector, 2-Power supply shell, 3-Power supply, 4-Sealing ring, 5-Second waterproof connector, 6-Power supply installation plate, 601-First threaded column, 602-Ring groove, 7-Lamp housing , 701-lamp shell main body, 702-radiating fins, 7021-first heat sink, 7022-second heat sink, 703-second threaded post, 8-luminous component, 9-solid silicone ring, 10-lens, 11 - Threaded cover, 12- hook, 13- buckle, 14- ring.

detailed description

Referring to the accompanying drawings showing embodiments of the invention, the invention will be described in more detail below. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are presented so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In these drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

Referring to Figures 1-4, the utility model provides an LED lighting fixture, which is suitable for factory lights; the LED lighting fixture includes a power supply, an LED light source assembly and a lamp housing 7, and the lamp housing 7 includes a lamp housing main body 701 and several heat dissipation The fins 702 and several cooling fins are arranged around the main body of the lamp housing, the LED light source assembly is fixed on the main body 701 of the lamp housing, and the power supply is fixedly connected to the lamp housing through the power supply mounting plate.

In the LED lighting fixture provided by the utility model, the power supply and the LED light source assembly are directly arranged on the two ends of the main body of the lamp housing respectively, and heat dissipation fins are extended around the main body of the lamp housing, and the main body of the lamp housing and the cooling fins work together as The heat dissipation part greatly increases the heat dissipation area, and at the same time greatly simplifies the structure of the LED lighting fixture and reduces the cost. and,

In this embodiment, the heat dissipation fins 702 are arranged on the back of the lamp housing body 701 , and several heat dissipation fins 702 extend radially from the middle of the lamp housing body 701 to the surroundings, and the ends protrude from the side of the lamp housing body 701 . The ends of the radiating fins 14 are connected to each other through rings 14 to form a whole.

Specifically, referring to FIG. 2 and FIG. 3 , each cooling fin includes a first cooling fin 7021 and a second cooling fin 7022; one end of the first cooling fin 7021 is connected to the ring 14, and the other end is connected to the lamp housing body 701 Above; one end of the second heat sink 7022 is connected to the middle position of the lamp housing body 701 , and the other end is extended toward the ring 14 . Further, the first heat sink 7021 and the second heat sink 7022 are vertically arranged on the back of the lamp housing body 701, the cross sections of the first heat sink 7021 and the second heat sink 7022 are arc-shaped, and the first heat sink 7021, the second heat sink The arc openings of the two cooling fins 7022 are opposite to each other.

The arrangement and structure of the heat dissipation fins provided by the utility model make the outer diameter of the LED light source assembly smaller than the diameter of the heat dissipation part composed of the main body of the lamp housing and the heat dissipation fins, thereby greatly increasing the heat dissipation area and improving the heat dissipation effect .

Wherein, the lamp housing main body 701 and the cooling fins 702 are integrally formed by cold forging process. This structure can quickly dissipate the heat emitted by the LED light source assembly, effectively prolong the life of the LED light source assembly, and is beneficial to energy saving and environmental protection.

Of course, in other embodiments, the specific structural forms of the lamp housing body 701 and the heat dissipation fins 702 are not limited to the above, and can also be adjusted according to specific conditions. For example, the lamp housing body can also be in a rectangular shape, etc. Here, There are no restrictions anywhere.

In this embodiment, the power supply 3 is installed on the upper end of the lamp housing main body 701 through a power supply mounting plate 6, the power supply mounting plate 6 is fixed on the lamp housing main body 701, and the power supply 3 is fixed on the power supply mounting plate 6; specifically, the power supply A first threaded post 601 is provided on the end of the mounting plate facing the lamp housing main body 701, and a second threaded post 702 is provided at a corresponding position on the lamp housing main body 701, through the first threaded post 601, the second threaded post 702 and screws The fixing between the power supply mounting plate 6 and the main body of the lamp housing is realized.

Wherein, the power supply mounting board 6 is located above the plurality of cooling fins 702 . Wherein, the power supply 3 may specifically be a power board.

In this embodiment, the LED lighting fixture also includes a power supply housing 2, the power supply housing 2 is covered on the power supply mounting plate 6 to form a sealed power supply cavity, and the power supply 3 is installed in the sealed power supply cavity, thereby improving the waterproof of the power supply Moisture-proof performance; moreover, the power supply is directly sealed through the power supply case, so the power supply does not need to use the glue filling process to prevent the entry of water vapor, which greatly saves the cost.

Further, a sealing ring 4 is provided at the joint between the lower end of the power supply shell 2 and the power supply mounting plate 6; the power supply mounting plate 6 is provided with an annular groove 602, and the sealing ring 4 is placed in the annular ring 602, and the lower end of the power supply shell 2 extends into the The above-mentioned annular groove 602 is tightly pressed in the sealing ring, thereby further improving the sealing performance of the power supply cavity.

In this embodiment, the LED light source assembly includes a light-emitting assembly 8 and a lens 10; the light-emitting assembly 8 is arranged on the lower end of the lamp housing main body 701, and the specific light-emitting assembly 8 can be locked on the lower end surface of the lamp housing main body 701 by means of screws or the like. Above; the light-emitting component 8 transfers heat to the main body 701 of the lamp housing, and then dissipates heat through the cooling fins 702 .

Wherein, the light-emitting assembly 8 includes a substrate (PCBA) and a plurality of LED lamp beads arranged on the substrate, and the substrate is fixed on the main body 701 of the lamp housing.

In this embodiment, the lens 10 is covered on the light-emitting component 8 and connected to the main body 701 of the lamp housing. Specifically, the LED light source assembly also includes a threaded cover 11, which is tightly pressed on a circle of the lens 10, and the threaded cover 11 is connected to the lamp housing main body 701 through a threaded structure. The utility model facilitates the fixed arrangement of the lens 10 through the setting of the threaded cover 11 on the one hand, and on the other hand the threaded cover 11 compresses the lens 10 to strengthen the waterproof effect of the LED light source assembly.

In this embodiment, the lens 10 is also connected to the heat sink 31 through a buckle structure. Referring to FIG. 4 , the buckle structure includes at least one buckle 13 disposed on the lamp housing body 701 and at least one hook 12 disposed on the lens 10 , the hook 12 passes through the light-emitting component 8 and snaps into the buckle 13 for connection; Wherein, the hook 12 is arranged in the middle of the lens 10 or near the middle, and the buckle 13 is arranged in the middle of the radiator 31 or near the middle; wherein, the buckle 13 and the hook 12 can be respectively formed on the lamp housing The main body 701 and the lens 10, or the buckle 13 and the hook 12 are made separately, and then respectively fixed to the lamp housing main body 701 and the lens 10 through connectors, which are not limited here. In the utility model, the middle part between the lens 10 and the lamp housing main body 701 or close to the middle part is fastened together by the buckle 13 and the hook 12, so that the middle of the lens 10 does not protrude, and the light type and light effect are significantly improved. Improved effect.

Wherein, the specific setting number and setting positions of the buckles 13 and the hooks 12 can be adjusted according to specific conditions, and are not limited here.

In this embodiment, a sealing structure is provided at the junction between the main body of the lamp housing 701 and the lens 10. The sealing structure includes a solid silicone ring 9 and liquid silicone coated on the side of the solid silicone ring 9. The solid silicone ring 9 is positioned on the lamp. The shell main body 701 and the lens 10 are rotated and compressed through the threaded cover 11 . The utility model achieves a double-layer sealing effect through the setting of the fixed silicone ring 34 and liquid silicone between the joint of the lens 10 and the lamp housing main body 701, thereby improving the waterproof and moisture-proof performance.

In this embodiment, a first waterproof joint 5 is provided between the power supply mounting plate 6 and the main body 701 of the lamp housing, which is used for passing through the connection line between the LED light source assembly and the power supply 3; the power supply housing 2 is provided with a second waterproof connector 5 Connector 1 is used to lead out the power wiring. The utility model further improves the waterproof and moisture-proof performance of the whole lamp through the arrangement of the first waterproof joint 5 and the second waterproof joint 1 .

In this embodiment, the main body 701 of the lamp housing is also provided with threaded holes for installing anti-dropping devices.

Those skilled in the art should understand that the utility model can be embodied in many other specific forms without departing from its own spirit or scope. Although the embodiment of the present invention has been described, it should be understood that the present invention should not be limited to these embodiments, and those skilled in the art can make changes within the spirit and scope of the present invention as defined by the appended claims and modify.

Claims (16)

1. An LED lighting fixture, characterized in that it includes a power supply, an LED light source assembly and a lamp housing, the lamp housing includes a lamp housing main body and a number of heat dissipation fins, and several of the heat dissipation fins are arranged around the lamp housing main body , the LED light source assembly is fixed on the main body of the lamp housing, and the power supply is fixedly connected to the lamp housing through a power supply mounting plate. 2. The LED lighting fixture according to claim 1, wherein the heat dissipation fins are arranged on the back of the main body of the lamp housing. 3. The LED lighting fixture according to claim 2, wherein a plurality of the heat dissipation fins extend radially from the middle of the main body of the lamp housing to the surroundings, and the ends protrude from the edge of the main body of the lamp housing . 4. The LED lighting fixture according to claim 3, characterized in that, the ends of the heat dissipation fins are connected to each other through rings. 5. The LED lighting fixture according to claim 4, wherein each cooling fin includes a first cooling fin and a second cooling fin; one end of the first cooling fin is connected to the ring, and the other One end is connected to the main body of the lamp housing; one end of the second cooling fin is connected to the middle position of the main body of the lamp housing, and the other end is extended toward the ring. 6. The LED lighting fixture according to claim 5, wherein the first heat sink and the second heat sink are vertically arranged on the back of the main body of the lamp housing, and the first heat sink and the second heat sink The cross section of the heat sink is arc-shaped, and the arc openings of the first heat sink and the second heat sink are opposite to each other. 7. The LED lighting fixture according to claim 1, wherein the power supply mounting plate is connected to the main body of the lamp housing, and the power supply is mounted on the power supply mounting plate. 8. The LED lighting fixture according to claim 1, wherein the power supply mounting plate is also covered with a power supply housing, and the power supply housing and the power supply mounting plate form a housing for accommodating the power supply. Seal the power cavity. 9 . The LED lighting fixture according to claim 8 , wherein a sealing ring is provided at the joint between the power supply shell and the power supply installation board. 10. The LED lighting fixture according to claim 1, wherein a first waterproof joint is provided between the power supply mounting plate and the main body of the lamp housing, for use between the LED light source assembly and the power supply connection; the power shell is provided with a second waterproof connector for the lead out of the power wiring. 11. The LED lighting fixture according to claim 1, wherein the LED light source assembly includes a light-emitting assembly and a lens, the light-emitting assembly is arranged at one end of the main body of the lamp housing; the lens cover is arranged on the The light-emitting component is connected with one end of the main body of the lamp housing. 12. The LED lighting fixture according to claim 11, characterized in that, the LED light source assembly further includes a threaded cover, the threaded cover is tightly pressed on the circle of the lens, and the threaded cover passes through the threaded structure It is connected with the main body of the lamp housing. 13. The LED lighting fixture according to claim 11, wherein the lens is connected to the end surface of the lamp housing body through a buckle structure, and the buckle structure includes at least A buckle and at least one hook provided on the lens, the hook passes through the light-emitting component and snaps into the buckle for connection. 14. The LED lighting fixture according to claim 11, characterized in that a sealing structure is provided at the joint between the lens and the end of the lamp housing body, and the sealing structure includes a solid silicone ring and coated on Liquid silica gel at the side of the solid silica gel ring. 15. The LED lighting fixture according to claim 11, wherein the light-emitting assembly comprises a base plate and a plurality of LED lamp beads arranged on the base plate, and the base plate is fixed on the end surface of the main body of the lamp housing. 16. The LED lighting fixture according to claim 1, wherein the main body of the lamp housing is further provided with a threaded hole for installing an anti-falling device.