CN217082289U

CN217082289U - LED projection lamp

Info

Publication number: CN217082289U
Application number: CN202123075786.8U
Authority: CN
Inventors: 林岩; 黄铎玉
Original assignee: Pak Corp Co Ltd
Current assignee: Pak Corp Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-07-29
Anticipated expiration: 2031-12-08

Abstract

The utility model provides a LED projection lamp, which comprises a lamp shell; the support assembly comprises a support plate and a connecting part, the connecting part is arranged on the side edge of the support plate, one end of the connecting part is connected with the support plate, the other end of the connecting part is connected with or abutted against the lamp shell, and a first heat dissipation groove is formed in the connecting part; the lamp panel is mounted on the lamp shell and abutted against the supporting plate, and an LED light source is arranged on the lamp panel; the lamp shade, it is located the lamp plate is equipped with one side of LED light source, and with the connection can be dismantled to the lamp body. Be equipped with supporting component, the last radiating groove that is equipped with of supporting component assists the lamp plate heat dissipation, improves the radiating efficiency.

Description

LED projection lamp

Technical Field

The utility model relates to a projecting lamp technical field specifically is a LED projecting lamp.

Background

In modern society, a large amount of projection lamps are used in outdoor illumination, and while the projection lamps emit light with high brightness and wide irradiation range, the projection lamps can generate a large amount of heat, while the existing projection lamps comprise a lamp housing, a lamp panel, an LED light source and a lamp shade, wherein the LED light source and the lamp shade are arranged on the lamp panel; the lamp plate is generally used for transferring heat generated by the LED light source to the lamp shell, and then the heat is transferred to the air by the lamp shell to achieve the radiating effect, so that the lamp plate is tightly attached to the lamp shell, the radiating effect of the lamp plate is poor, and the radiating effect of the projection lamp is poor when the heat of the lamp shell is not transferred to the air in time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED projecting lamp aims at solving the poor technical problem of LED projecting lamp radiating effect among the prior art.

In order to achieve the above object, the utility model provides a LED projection lamp, include:

a lamp housing;

the support assembly comprises a support plate and a connecting part, the connecting part is arranged on the side edge of the support plate, one end of the connecting part is connected with the support plate, the other end of the connecting part is connected with or abutted against the lamp shell, and a first heat dissipation groove is formed in the connecting part;

the lamp plate, it install on the lamp body, and with the backup pad butt, be equipped with the LED light source on the lamp plate. Be provided with supporting component, help the lamp plate heat dissipation, improve the radiating efficiency.

Preferably, a second heat dissipation groove is formed in the side wall of the lamp housing, and a wall heat dissipation rib plate is arranged on the second heat dissipation groove. The wall heat dissipation rib plate is arranged, the heat convection efficiency of the outside air is improved, and the heat dissipation efficiency is improved.

Preferably, the connecting part is arranged obliquely relative to the lamp housing, an included angle between the connecting part and the lamp housing is alpha, and alpha is greater than 0 degree and less than or equal to 90 degrees. The surface area of the connecting portion is increased under the condition that the height of the supporting plate is unchanged, so that the size of the first heat dissipation groove is increased, and the heat dissipation efficiency is improved.

Preferably, be equipped with interior heat dissipation floor and outer heat dissipation floor on the first radiating groove, interior heat dissipation floor with outer heat dissipation floor interval sets up, outer heat dissipation floor with the lamp plate butt. The inner heat dissipation rib plate and the outer heat dissipation rib plate are arranged, the heat convection efficiency of the outside air is improved, and the heat dissipation efficiency is improved.

Preferably, the lamp housing is detachably connected with the connecting portion, the connecting portion abuts against the bottom surface of the lamp housing, a third heat dissipation groove is formed in the bottom surface of the lamp housing, and a bottom heat dissipation rib plate is arranged on the third heat dissipation groove. The lamp body can be dismantled with connecting portion and be connected, can change corresponding supporting component according to the lamp board type number of installation, improves the suitability of projecting lamp.

Preferably, the lamp further comprises a support frame, and the support frame is rotatably mounted on the lamp housing and located outside the lamp housing. The support frame is installed the projecting lamp on the wall body.

Preferably, still include the lamp shade, the lamp shade is located the lamp plate is equipped with one side of LED light source, and with the connection can be dismantled to the lamp body. The sealing performance of the projection lamp can be guaranteed by arranging the lampshade, and parts such as a lamp panel and an LED light source inside the lamp shell are protected.

Preferably, a first fixing portion is arranged on the lampshade, a second fixing portion is arranged on the lamp housing, and the first fixing portion is buckled on the second fixing portion, so that the lamp housing and the lampshade can be detachably connected. The buckle connection has the advantages of convenient installation and disassembly and no tool disassembly.

Preferably, the lampshade further comprises a gasket 6, a groove is formed in the lampshade, and the gasket is located in the groove and abuts against the lamp panel. The lamp is prevented from water entering, so that the LED light source is protected.

The utility model relates to a LED projecting lamp has following beneficial effect: be equipped with supporting component, the last radiating groove that is equipped with of supporting component assists the lamp plate heat dissipation, improves the radiating efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the LED projector of the present invention;

fig. 2 is another angle structure diagram of the LED projector of the present invention;

fig. 3 is an explosion diagram of the LED projector of the present invention;

fig. 4 is a cross-sectional view of the LED projector of the present invention;

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

fig. 6 is a schematic structural diagram of a lamp housing according to an embodiment;

FIG. 7 is another angular structure of a lamp housing according to an embodiment;

FIG. 8 is a schematic structural diagram of a second lamp housing according to the embodiment;

FIG. 9 is another angle structure diagram of the second lamp housing according to the embodiment;

FIG. 10 is a cross-sectional view of a lamp housing according to a second embodiment;

FIG. 11 is a schematic structural view of a lamp housing and a support assembly according to an embodiment;

FIG. 12 is another angle structure diagram of the lamp housing of the third embodiment;

fig. 13 is a schematic structural view of the lamp cover.

In the drawings: the LED lamp comprises a lamp shell 1, a lamp shell 11, a second heat dissipation groove, a wall heat dissipation rib plate 12, a third heat dissipation groove 13, a bottom heat dissipation rib plate 14, a second fixing portion 15, a support assembly 2, a support plate 21, a connecting portion 22, a first heat dissipation groove 221, an inner heat dissipation rib plate 222, an outer heat dissipation rib plate 223, a lamp panel 3, an LED light source 31, a lampshade 4, a first fixing portion 41, a groove 42, a support frame 5 and a gasket 6.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 13, an LED floodlight includes:

a lamp housing 1;

the support assembly 2 comprises a support plate 21 and a connecting part 22, the connecting part 22 is arranged on the side of the support plate 21, one end of the connecting part 22 is connected with the support plate 21, the other end of the connecting part 22 is connected with or abutted against the lamp housing 1, and a first heat dissipation groove 221 is formed in the connecting part 22;

the lamp panel 3 is mounted on the lamp housing 1 and abutted against the supporting plate 21, and an LED light source 31 is arranged on the lamp panel 3;

specifically, the LED projection lamp comprises a lamp shell 1, a supporting component 2, a lamp panel 3 and a lampshade 4, wherein the lamp shell 1 is of a hollow rectangular structure, and one end of the lamp shell is provided with an opening. The support assembly 2 comprises a support plate 21 and a connecting portion 22, the support plate 21 is used for supporting the lamp panel 3, and the support plate 21 and the upper surface of the lamp housing 1 are located on the same horizontal plane. The connecting part 22 is arranged at the side edge of the support plate 21, one end of the connecting part 22 is connected with the support plate 21, and the other end of the connecting part 22 is connected with or abutted against the lamp shell 1, so that the support plate 21 can be firmly arranged in the lamp shell 1; in order to improve the heat dissipation efficiency, first heat dissipation grooves 221 for dissipating heat are equidistantly formed in the connection portion 22, and the first heat dissipation grooves 221 are disposed parallel to the direction of the support plate 21 or along the direction from the lamp housing 1 to the support plate 21. In this embodiment, the first heat dissipation groove 221 is disposed along the extending direction from the lamp housing 1 to the support plate 21; lamp plate 3 is made by the heat conduction material, lamp plate 3 install on lamp body 1 and with the 21 butt of backup pad, lamp plate 3 is close to 1 opening side of lamp body and is equipped with LED light source 31, LED light source 31 is luminous, can produce a large amount of heats when LED light source 31 is luminous, on heat transfer to lamp plate 3 that LED light source 31 produced, lamp plate 3 will be with in partly heat gives off the air earlier, assist LED light source 31's heat dissipation. The lamp plate 3 conducts another part of heat to the lamp housing 1 and the supporting plate 21, the lamp housing 1 and the supporting plate 21 assist in heat dissipation, the supporting plate 21 conducts the heat to the connecting portion 22, and the connecting portion 22 conducts the heat to the lamp housing 1 to form an integral heat dissipation effect.

Further, a second heat sink 11 is disposed on the side wall of the lamp housing 1, and a wall heat dissipation rib 12 is disposed on the second heat sink 11.

Specifically, the second heat dissipation groove 11 is formed in the side wall of the lamp housing 1, so that air in the lamp housing 1 can be convected with air outside the lamp housing 1 to form circumferential air flow and heat dissipation, the lamp housing is not affected by wind direction, hot air flows in all directions, heat dissipation is achieved in multiple directions, the heat dissipation effect is improved, and heat generated by the LED light source 31 is dissipated outside the lamp housing 1; meanwhile, the wall heat dissipation rib plates 12 are arranged on the second heat dissipation grooves 11, and the heat convection efficiency with the outside air is improved through the wall heat dissipation rib plates 12, so that the heat dissipation efficiency is improved.

Example one

As shown in fig. 4 to 7, the connection portion 22 is disposed obliquely relative to the lamp housing 1, and an included angle between the connection portion 22 and the lamp housing 1 is α, and α is greater than 0 ° and less than or equal to 90 °.

Specifically, under the condition that the height between the support plate 21 and the lamp housing 1 is not changed, the included angle α between the connection portion 22 and the lamp housing 1 is set to be 0 ° < α and less than or equal to 90 °, and under the condition that the height between the support plate 21 and the lamp housing 1 is not changed, by changing the angle of the included angle α between the connection portion 22 and the lamp housing 1, a larger connection portion 22 is obtained, and a larger first heat dissipation groove 221 can be formed in the larger connection portion 22, so that the heat dissipation efficiency is improved. When the angle α between the connection portion 22 and the lamp housing 1 is greater than 90 °, the surface area of the connection portion 22 is larger than that when α is equal to 90 °, but the projection area of the lamp housing 1 at the connection portion 22 and the lamp housing 1 is smaller than the projection area of the support plate 21 to the lamp housing 1, so that the support plate 21 cannot be stably supported by the connection portion 22.

Example two

As shown in fig. 8 to 10, an inner heat dissipation rib 222 and an outer heat dissipation rib 223 are disposed on the first heat dissipation groove 221, the inner heat dissipation rib 222 and the outer heat dissipation rib 223 are disposed at intervals, and the outer heat dissipation rib 223 is abutted to the lamp panel 3.

Specifically, the connection portion 22 disposed obliquely to the bottom surface of the lamp housing 1 increases the surface area of the connection portion 22, and the first heat dissipation groove 221 may be formed larger to increase the heat dissipation efficiency, but this may result in an excessively large volume of the lamp housing 1. The connection portion 22 is disposed perpendicular to the lamp housing 1, so that the volume of the lamp housing 1 is the smallest, but the size of the first heat dissipation groove 221 is the smallest, and in order to maintain the original heat dissipation efficiency, the inner heat dissipation rib 222 and the outer heat dissipation rib 223 are disposed on the first heat dissipation groove 221. Outer

heat dissipation rib

223 and 3 butts of lamp plate, lamp plate 3 is with heat transfer to outer heat dissipation rib 223, outer heat dissipation rib 223 and air contact heat dissipation, outer heat dissipation rib 223 is with heat transfer to interior heat dissipation rib 222 on, interior heat dissipation rib 222 and air contact heat dissipation, air and outer heat dissipation rib 223, the abundant convection heat transfer of interior heat dissipation rib 222, the heat dissipation efficiency is improved, cooperate first louvre, make the radiating efficiency of supporting component 2 keep the maximize. The inner heat dissipation ribs 222 and the outer heat dissipation ribs 223 are arranged at intervals to increase the contact area with air, thereby improving heat dissipation efficiency.

EXAMPLE III

As shown in fig. 11 to 12, the lamp housing 1 is detachably connected to the connection portion 22, the connection portion 22 abuts against the bottom surface of the lamp housing 1, a third heat dissipation groove 13 is formed in the bottom surface of the lamp housing 1, and a bottom heat dissipation rib 14 is formed on the third heat dissipation groove 13.

Specifically, the support component 2 is detachably mounted in the lamp housing 1, the connecting portion 22 abuts against the bottom surface of the lamp housing 1, the support component 2 is set to be an independent part, the corresponding support component 2 can be selected according to the shape of the lamp panel 3 in a use state, and the support component 2 can be suitable for more use scenes.

Meanwhile, the third heat dissipation groove 13 is formed in the bottom of the lamp housing 1, and the bottom heat dissipation rib plate 14 is arranged on the third heat dissipation groove 13, so that air in the lamp housing 1 can be in convection with air outside the lamp housing 1, circumferential air flow and heat dissipation are formed, the lamp housing is not affected by wind direction, hot air flows in all directions, heat dissipation is achieved in multiple directions, and the heat dissipation effect is improved.

Further, the lamp comprises a support frame 5, wherein the support frame 5 is rotatably mounted on the lamp housing 1 and is located on the outer side of the lamp housing 1.

Specifically, because the projection lamp is usually arranged on a wall, the support frame 5 is further arranged outside the lamp housing 1, one end of the support frame 5 is connected with the lamp housing 1, and the other end of the support frame 5 is fixed on the wall, so that the projection lamp is arranged on the wall; and in order to make the projecting lamp can adapt to under the different condition and shine the object, lamp body 1 and support frame 5 articulate together, make lamp body 1 can regard as the centre of a circle with the pin joint with support frame 5 to rotate, through rotating lamp body 1, and then change the angle of shining of projecting lamp, change the irradiation range of projecting lamp.

Further, still include lamp shade 4, lamp shade 4 is located lamp plate 3 is equipped with one side of LED light source 31, and with the connection can be dismantled to lamp body 1.

The lamp shade 4 is hollow rectangular structure, and an opening has been seted up to its one end, and the opening detachably of lamp shade 4 installs at the opening part of lamp body 1, keeps apart lamp plate 3 with the external world, and lamp shade 4 is made for transparent material, and the light accessible lamp shade 4 that the LED light source 31 sent shines the external world. The sealing performance of the projection lamp can be guaranteed by arranging the lampshade 4, and parts such as the lamp panel 3 and the LED light source 31 inside the lamp shell 1 are protected.

Further, a first fixing portion 41 is arranged on the lampshade 4, a second fixing portion 15 is arranged on the lamp housing 1, and the first fixing portion 41 is fastened on the second fixing portion 15, so that the lamp housing 1 and the lampshade 4 can be detachably connected.

Specifically, the opening part of lamp shade 4 is equipped with first fixed part 41, and the opening part of lamp body 1 is equipped with second fixed part 15, and when lamp shade 4 was connected with lamp body 1, first fixed part 41 lock joint was on second fixed part 15, and first fixed part 41 and second fixed part 15 constitute buckle structure, made lamp shade 4 detachably install on lamp body 1, and the buckle connection has the installation and dismantles conveniently, can accomplish the advantage of exempting from the instrument and dismantling.

Further, still include packing ring 6, lamp shade 4 is seted up flutedly 42, packing ring 6 is located in flutedly 42, and support in lamp plate 3.

Specifically, because the use scene of LED projecting lamp is most all outdoor, so the LED projecting lamp often can be drenched with rain, and in steam just enters into lamp body 1 through the gap between lamp shade 4 and the lamp body 1 easily, steam contacted LED light source 31 can lead to LED light source 31 to receive the damage, can't give out light. A gasket 6 is therefore provided on the globe 4 to isolate moisture from the LED light source 31. The periphery of the lampshade 4 is provided with a groove 42, the gasket 6 is arranged in the groove 42, the other end of the gasket 6 is abutted against the lamp panel 3, meanwhile, the LED light source 31 is located in the covering range of the gasket 6, and the gasket 6 is made of a known elastic material, so that the gasket 6 can cover and protect the LED light source 31 without gaps, the LED light source 31 is prevented from contacting water vapor, the LED light source 31 is protected, and the service life of the LED light source 31 is prolonged.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An LED floodlight, comprising:

a lamp housing (1);

the support assembly (2) comprises a support plate (21) and a connecting part (22), the connecting part (22) is arranged on the side edge of the support plate (21), one end of the connecting part (22) is connected with the support plate (21), the other end of the connecting part (22) is connected with or abutted against the lamp shell (1), and a first heat dissipation groove (221) is formed in the connecting part (22);

the lamp panel (3) is installed on the lamp shell (1) and abutted against the supporting plate (21), and an LED light source (31) is arranged on the lamp panel (3).

2. The LED spot light according to claim 1, wherein a second heat sink (11) is formed on a side wall of the lamp housing (1), and a wall heat sink rib (12) is formed on the second heat sink (11).

3. The LED spot light according to claim 1, wherein the connecting portion (22) is inclined with respect to the lamp housing (1), and an included angle between the connecting portion (22) and the lamp housing (1) is α, and α is greater than 0 ° and less than or equal to 90 °.

4. The LED spot light according to claim 1, wherein the first heat sink (221) has an inner heat sink rib (222) and an outer heat sink rib (223), the inner heat sink rib (222) and the outer heat sink rib (223) are spaced apart from each other, and the outer heat sink rib (223) abuts against the lamp panel (3).

5. The LED projection lamp according to claim 1, wherein the lamp housing (1) is detachably connected with the connecting portion (22), the connecting portion (22) abuts against the bottom surface of the lamp housing (1), a third heat dissipation groove (13) is formed in the bottom surface of the lamp housing (1), and a bottom heat dissipation rib plate (14) is arranged on the third heat dissipation groove (13).

6. An LED projector according to claim 1, further comprising a support frame (5), wherein said support frame (5) is rotatably mounted on said lamp housing (1) and located outside said lamp housing (1).

7. The LED projection lamp according to claim 1, further comprising a lampshade (4), wherein the lampshade (4) is located on one side of the lamp panel (3) where the LED light source (31) is located, and is detachably connected with the lamp housing (1).

8. An LED projection lamp according to claim 7, characterized in that the lampshade (4) is provided with a first fixing portion (41), the lamp housing (1) is provided with a second fixing portion (15), and the first fixing portion (41) is fastened to the second fixing portion (15), so that the lamp housing (1) and the lampshade (4) can be detachably connected.

9. The LED spot light according to claim 7, further comprising a gasket (6), wherein the lampshade (4) is provided with a groove (42), and the gasket (6) is located in the groove (42) and abuts against the lamp panel (3).