CN207702261U - A kind of LED projector lamp - Google Patents

Abstract

The utility model discloses an LED floodlight, which comprises an LED light source aluminum substrate; a planar chassis, the edge of the planar chassis forms an outer ring of the chassis, and the LED light source aluminum substrate is arranged in the planar chassis; an LED light source The light-transmitting cover includes a light-transmitting cover body, and the light-transmitting cover body includes at least one or more strip-shaped bulges, and the strip-shaped bulges form an LED light source accommodating cavity for accommodating LED lamp beads on the inside. The light-transmitting cover body is made of light-transmitting material at least at the strip-shaped bulge; the end cover, the end cover is in the shape of a ring, and is used to cooperate with the outer ring of the chassis to connect the aluminum substrate of the LED light source and the The LED light source light-transmitting cover is fixed between the end cover and the planar chassis. The LED floodlight of the present utility model can replace different LED light source aluminum substrates and LED light source light-transmitting covers according to the environment and needs, which improves the performance of the projecting light. Compatible with LED light source aluminum substrate and LED transparent cover.

Description

A kind of LED flood light

technical field

The utility model relates to the field of lighting, in particular to an LED floodlight.

Background technique

The current LED floodlight usually adopts the fixed shape and specifications of the LED light source aluminum substrate, and cooperates with the corresponding LED light-transmitting cover to diverge the light of the LED light source to form a brighter lighting effect. However, the existing lampshade usually It is directly connected to the main body of the LED floodlight, so that the selectivity of the aluminum substrate of the LED light source is relatively single, and the light source and the LED light-transmitting cover cannot be replaced according to the site requirements, and the adaptability to the environment is poor. At the same time, the existing LED light-emitting cover is usually A number of circular protrusions are formed on the surface of the light-transmitting cover body, and each circular protrusion corresponds to an LED lamp bead. The size of the circular protrusions also corresponds to the size of the LED lamp bead, so as to form a brighter lighting effect. However, the above-mentioned LED light-transmitting cover has the defects of limited application range and poor compatibility. When the arrangement of LED lamp beads on the aluminum substrate changes, the corresponding LED light-transmitting cover needs to be replaced.

Utility model content

In order to overcome the problem of poor compatibility between the LED light source aluminum base plate and the LED translucent cover in the prior art, the embodiment of the utility model provides an LED flood light, which includes the LED light source aluminum base plate, and also includes:

A planar chassis, the edge of the planar chassis forms the outer ring of the chassis, and the aluminum substrate of the LED light source is arranged in the planar chassis;

The LED light source light transmission cover includes a light transmission cover body, and the light transmission cover body includes at least one or more strip-shaped bulges, and the strip-shaped bulges form an LED light source accommodating cavity for accommodating LED lamp beads on the inside, The light-transmitting cover body is made of light-transmitting material at least at the strip-shaped bulge;

An end cover, the end cover is in the shape of a ring, and is used to cooperate with the outer ring of the chassis, so as to fix the aluminum substrate of the LED light source and the light-transmitting cover of the LED light source between the end cover and the planar chassis .

Further, the above-mentioned light-transmitting cover body forms a planar bulge on the outside, the strip-shaped bulge is formed on the planar bulge, and the planar bulge is formed with a number of support columns in the opposite direction of the strip-shaped bulge .

Further, the above-mentioned light-transmitting cover body adopts a light-transmitting material at the surface-shaped ridges, and the light transmittance of the surface-shaped ridges is different from that of the strip-shaped ridges, or the light transmittance of the planar ridges is different from that of the strip-shaped ridges. The color is different from the color of the strips.

Further, a lamp housing is provided above the above-mentioned planar chassis, and a power drive is arranged inside the lamp housing, and a heat dissipation device is also provided between the lamp housing and the planar chassis, and the heat dissipation device is parallel to A first air passage is formed in the direction of the planar chassis, and a second air passage is formed between a direction perpendicular to the planar chassis and the planar chassis.

Further, the above-mentioned heat dissipation device includes a plurality of heat dissipation fins arranged at intervals in the circumferential direction, and the first air passage is formed between adjacent heat dissipation fins.

Further, each of the above-mentioned heat dissipation fins includes an inner end and an outer end, and the heat dissipation device further includes a heat dissipation peripheral wall connecting the outer ends of all the heat dissipation fins.

Further, the above-mentioned planar chassis is arranged under the heat dissipation fins, and the heat dissipation fins and the heat dissipation peripheral wall of the heat dissipation device surround the outer edge of the planar chassis to form the second air duct.

Further, a plurality of perforations are opened on the planar chassis, and a third air channel is formed between the perforations and the heat dissipation device.

Further, the above-mentioned projection lamp also includes a lamp bracket connected to the heat dissipation peripheral wall, an angle adjustment device is connected between the lamp bracket and the heat dissipation peripheral wall, and the angle adjustment device includes a hinge shaft passing through the heat dissipation peripheral wall and the lamp bracket and a damping insertion rod, the damping insertion rod is fixed on the heat dissipation peripheral wall, and the lamp bracket is provided with an adjustment positioning slot at a corresponding position of the damping insertion rod, and the adjustment positioning slot includes a plurality of communicating positioning hole units.

Further, the top of the above-mentioned heat sink is also provided with several counterbores.

The embodiment of the utility model provides an end cover, and the end cover cooperates with the outer ring of the chassis to lock the LED light source aluminum substrate and the LED light source light-transmitting cover in the space defined by the end cover and the planar chassis, so that the LED light source light-transmitting cover is no longer It is directly connected to the main body of the LED floodlight, and the shape of the planar chassis is larger than that of the LED light source aluminum substrate, so that the LED floodlight can be compatible with different shapes and specifications of the LED light source aluminum substrate; at the same time, the strip shape of the LED light source transparent cover The inner side of the bulge forms a light source accommodating cavity for accommodating LED lamp beads, so that multiple LED lamp beads can be placed in the same light source accommodating cavity. When the position of the LED lamp bead on the aluminum substrate changes, the corresponding bar The shaped light source accommodating cavity still has the ability to accommodate LED lamp beads, which improves the compatibility of the LED light source light-transmitting cover to different aluminum substrates, so that the LED floodlight of the present utility model can be replaced with different LED light sources according to the environment and needs Aluminum substrate and LED light source translucent cover, or use the original LED light source translucent cover, which improves the compatibility of floodlights with LED light source aluminum substrate and LED translucent cover.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is the perspective view of the upward viewing angle of the LED projecting light of the utility model embodiment;

Fig. 2 is a perspective view of the top view angle of the LED floodlight according to the embodiment of the present invention;

Fig. 3 is a cross-sectional view of the side view angle of the LED floodlight according to the embodiment of the present invention;

Fig. 4 is a bottom view of the LED floodlight according to the embodiment of the present invention;

Fig. 5 is a perspective view of the heat dissipation device of the LED floodlight according to the embodiment of the present invention, from the bottom view. In this embodiment, the planar chassis is located at the bottom of the heat dissipation device;

Fig. 6 is a perspective view of the top view angle of Fig. 4;

Fig. 7 is a perspective view of the front view angle of the LED light source translucent cover of the LED floodlight according to the embodiment of the utility model;

Fig. 8 is a perspective view of the reverse viewing angle of the LED light source translucent cover of the LED floodlight according to the embodiment of the present utility model.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

When ordinal numerals such as "first" and "second" (if any) are mentioned in the embodiments of the present utility model, unless they really express the order according to the context, it should be understood that they are only used for distinction.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" (if any) should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Please refer to Figures 1 to 8, the utility model provides an LED floodlight, including an LED light source aluminum substrate 9, and also includes:

A planar chassis 1, the edge of the planar chassis 1 forms a chassis outer ring 11, and the LED light source aluminum substrate 9 is arranged in the planar chassis 1;

The LED light source light transmission cover includes a light transmission cover body 7, and the light transmission cover body 7 at least includes one or more strip-shaped bulges 71, and the strip-shaped bulges 71 form an LED light source for accommodating LED lamp beads on the inside In the accommodating cavity, the light-transmitting cover body 7 is made of a light-transmitting material at least at the strip-shaped bulge 71;

An end cover 8, the end cover 8 is in the shape of a ring, and is used to cooperate with the outer ring of the chassis 11, so as to fix the aluminum substrate of the LED light source and the transparent cover of the LED light source 9 to the end cover 8 and the between planar chassis 1.

As an implementation, the connection between the chassis outer ring 11 and the end cap can be screwed, and the end cap 8 can lock the LED light source translucent cover. As another implementation, please refer to Figure 3 As shown, the top surface of the end cover 8 is provided with a through hole 81, and the corresponding position of the chassis outer ring 11 can be provided with a counterbore 111, so that the end cover 8 and the planar chassis 1 can be connected by screws.

Existing floodlights usually use high-power LED light sources. However, high-power LED light sources generate high heat and usually need to adapt to large-sized heat sinks. On the one hand, the material cost of the heat sink is increased, and on the other hand, the floodlight The overall weight of the floodlight brings certain difficulties to the hoisting and disassembly of the floodlight.

In order to solve the above problems, a lamp housing 2 is provided above the planar chassis 1, and a power drive is arranged inside the lamp housing 2, and a lamp housing 2 is provided between the planar chassis 1 A heat dissipation device 3, the heat dissipation device 3 forms a first air passage 4 in a direction parallel to the planar chassis 1, and forms a second air duct 4 between a direction perpendicular to the planar chassis 1 and the planar chassis 1. Duct 5.

The embodiment of the utility model separates the LED light source as a heat source from the power drive, and dissipates heat through the heat dissipation device 3 arranged between the lamp housing 2 and the planar chassis 1, improving the structural distribution. Heat dissipation efficiency, secondly, the planar chassis 1 is more convenient for the collection and distribution of heat, the heat dissipation device 3 forms the first air duct 4 in the direction parallel to the planar chassis 1, and the direction perpendicular to the planar chassis 1 and the described The second air duct 5 is formed between the planar chassis 1, and the air ducts in the horizontal direction and the vertical direction are formed around the planar chassis 1. The three-dimensionally distributed air ducts are easier for the natural wind to take away the planar chassis 1. The heat at the location improves the overall heat dissipation efficiency of the LED floodlight, reduces the material consumption of the heat dissipation device 3, saves production costs, reduces the weight of the lamp, and is easy to hoist and disassemble.

In this embodiment, since the chassis adopts a planar shape, the contact area with the heat sink 3 is increased, so that the heat emitted by the LED light source can be effectively dissipated through the heat sink 3, and the bottom of the heat sink 3 is used to dissipate heat for the aluminum substrate 9 of the LED light source , the top is used to dissipate heat for the power drive, improving heat dissipation efficiency.

The heat dissipation device 3 includes a plurality of heat dissipation fins 31 arranged at intervals in the circumferential direction, and the first air duct 4 is formed between adjacent heat dissipation fins 31 . In this embodiment, the cooling device 3 has an axisymmetric shape as a whole, and the cooling fins 31 are arranged at equal angles in the circumferential direction. The other first air channel 4 formed by the heat dissipation fins 31 communicates to form a through air channel, which increases the heat dissipation efficiency.

Each of the heat dissipation fins 31 includes an inner end and an outer end, and the heat dissipation device 3 further includes a heat dissipation peripheral wall 32 connecting the outer ends of all the heat dissipation fins 31 . The heat dissipation peripheral wall 32 can collect heat from the outer ends of the heat dissipation fins 31 and dissipate it circumferentially, further increasing heat dissipation efficiency.

The above-mentioned planar chassis 1 is disposed below the heat dissipation fins 31 , and the heat dissipation fins 31 and the heat dissipation peripheral wall 32 of the heat dissipation device 3 surround the outer edge of the planar chassis 1 to form the second air duct 5 . In this embodiment, the first air duct 4 can facilitate the passage of natural wind in the horizontal direction, and the second air duct 5 can facilitate the passage of natural wind in the vertical direction, so that the projection lamp has a three-dimensional heat dissipation effect.

As an improvement and not a limitation, the planar chassis 1 is provided with several perforations (not shown in the figure), and a third air duct is formed between the perforations and the heat sink 3 . The third air duct is used to assist the second air duct 5 to dissipate heat in the vertical direction. Since the third air duct is provided on the planar chassis, the LED light source aluminum substrate 9 can also be correspondingly provided with hollow holes, so that the third air duct is more convenient. Closer to the aluminum substrate 9 of the LED light source, the heat dissipation effect on the aluminum substrate 9 of the LED light source is better.

As an implementation of this embodiment, the above-mentioned projection lamp also includes a lamp bracket 6 connected to the heat dissipation peripheral wall 32, and an angle adjustment device is connected between the lamp bracket 6 and the heat dissipation peripheral wall 32, and the angle adjustment device includes a penetrating The hinge shaft and damping rod (not shown in the figure) of the heat dissipation peripheral wall 32 and the lamp bracket 6, the damping rod is fixed on the heat radiation peripheral wall 32, and the lamp bracket 6 is connected to the damping rod. An adjustment positioning slot 61 is provided at the corresponding position, and the adjustment positioning slot 61 includes several communicating positioning hole units 611 . By cooperating with the damping rod and the positioning hole unit 611 , the floodlight can be fixed at any preset angle of the lamp bracket 6 .

As a second implementation of this embodiment, a number of counterbore holes 33 are opened on the top of the heat sink. The sink holes can appear in pairs, and multiple floodlights can be connected through the connecting beams corresponding to the sink holes, so as to increase the overall lighting area and lighting effect of the floodlights.

In the embodiment of the present invention, one or more strip-shaped bulges 71 are arranged on the light-transmitting cover body 7, and the inside of the strip-shaped bulges 71 forms an LED light source accommodating cavity for accommodating LED lamp beads, so that multiple LED lamp beads can be Placed in the same LED light source accommodating cavity, when the position of the LED light bead on the aluminum substrate changes, the corresponding strip-shaped LED light source accommodating cavity still has the ability to accommodate the LED light bead, which improves the transparency of the LED light source. The photomask is compatible with different aluminum substrates. At the same time, the strip-shaped bulge 71 provides relatively more accommodation space for the LED lamp beads, which is conducive to the dissipation of heat, and can be applied to high-power LED lamps by cooperating with the heat sink of the lamp.

In this embodiment, the light-transmitting cover body 7 can also form openings (not shown) corresponding to the holes on the planar chassis 1 and the aluminum substrate, so that the aluminum substrate of the LED light source and the planar chassis 1 correspond to each other. The pierced holes have a penetrating effect. The heat dissipation efficiency of the floodlight is improved to the greatest extent.

The above-mentioned light-transmitting cover body 7 forms a surface-shaped bulge 72 on the outside, and the strip-shaped bulge 71 is formed on the surface-shaped bulge 72. Support column 73. In this embodiment, on the one hand, the planar bulges 72 enable the air in the light-transmitting cover body 7 to communicate, further improving the heat dissipation efficiency of the light-transmitting cover body to the LED lamp beads; Different LED aluminum substrates further enhance the compatibility of the translucent cover body 7 with different LED light source aluminum substrates. The support column 73 can be in contact with the LED aluminum substrate, so as to enhance the structural stability of the light-transmitting cover body 7 .

The above-mentioned light-transmitting cover body 7 adopts a light-transmitting material at the place of the planar protrusion 72, and the light transmittance of the planar protrusion 72 is different from that of the strip-shaped protrusion 71, or the planar protrusion 72 The color of is different from the color of the strip-shaped bulge 71. The planar bulges 72 and strip-shaped bulges 71 with different light transmittances or colors can create different light and shadow effects and improve user experience.

The embodiment of the utility model provides an end cover, and the end cover cooperates with the outer ring of the chassis to lock the LED light source aluminum substrate and the LED light source light-transmitting cover in the space defined by the end cover and the planar chassis, so that the LED light source light-transmitting cover is no longer It is directly connected to the main body of the LED floodlight, and the shape of the planar chassis is larger than that of the LED light source aluminum substrate, so that the LED floodlight can be compatible with different shapes and specifications of the LED light source aluminum substrate; at the same time, the strip shape of the LED light source light cover The inner side of the bulge forms a light source accommodating cavity for accommodating LED lamp beads, so that multiple LED lamp beads can be placed in the same light source accommodating cavity. When the position of the LED lamp bead on the aluminum substrate changes, the corresponding bar The shaped light source accommodation cavity still has the ability to accommodate LED lamp beads, which improves the compatibility of the LED light source light-transmitting cover to different aluminum substrates, so that the LED floodlight of the present utility model can be replaced with different LED light sources according to the environment and needs Aluminum substrate and LED light source translucent cover, or use the original LED light source translucent cover, which improves the compatibility of floodlights with LED light source aluminum substrate and LED translucent cover.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For example, the shape of the heat sink in this embodiment is not limited to the shapes disclosed in the accompanying drawings. All modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a kind of LED projector lamp, including LED light source aluminum substrate, which is characterized in that further include：

Planar chassis, the planar chassis edge form chassis outer ring, and the LED light source aluminum substrate is set to the planar chassis It is interior；

LED light source diffuser, including light transmission cover body, the light transmission cover body include at least one or more strips and swell, institute It states strip protuberance and forms the LED light source accommodating cavity for housing LED lamp bead in inside, the light transmission cover body is at least in the item Shape bump pad uses light-transmitting materials；

End cap, the end cap is in annular shape, for coordinating with the chassis outer ring, by the LED light source aluminum substrate and described LED light source diffuser is fixed between end cap and the planar chassis.

2. Projecting Lamp as described in claim 1, which is characterized in that the light transmission cover body forms planar protuberance, institute in outside It states strip protuberance to be formed on the planar protuberance, the negative direction that the planar protuberance is swelled in the strip is formed with several Support column.

3. Projecting Lamp as claimed in claim 2, which is characterized in that the light transmission cover body is in the planar bump pad using saturating Finish matter, and the color that light transmittance is different from the light transmittance that the strip swells or the planar is swelled of planar protuberance It is different from the color of strip protuberance.

4. Projecting Lamp as claimed in claim 3, which is characterized in that be equipped with lamp casing, the lamp above the planar chassis Power drives are provided in tool shell, radiator, the heat dissipation are additionally provided between the lamp casing and the planar chassis It is installed on and is parallel to the direction on the planar chassis and forms the first air duct, in direction and the face perpendicular to the planar chassis The second air duct is formed between shape chassis.

5. Projecting Lamp as claimed in claim 4, which is characterized in that the radiator includes circumferentially spaced multiple scattered Hot fin forms first air duct between adjacent heat radiation fin.

6. Projecting Lamp as claimed in claim 5, which is characterized in that each radiating fin includes inner end and outer end, institute It further includes the heat dissipation peripheral wall for connecting all radiating fin outer ends to state radiator.

7. Projecting Lamp as claimed in claim 6, which is characterized in that the planar chassis is set to below the radiating fin, institute The radiating fin and heat dissipation peripheral wall for stating radiator surround to form second air duct with planar chassis outer.

8. Projecting Lamp as claimed in claim 7, which is characterized in that offered on the planar chassis it is several engrave hole, it is described to engrave Third air duct is formed between hole and the radiator.

9. Projecting Lamp as claimed in claim 8, which is characterized in that the Projecting Lamp further includes the lamps and lanterns being connect with heat dissipation peripheral wall Holder, is connected with angle regulator between the lamp bracket and heat dissipation peripheral wall, the angle regulator includes running through institute The articulated shaft and damping inserted link of heat dissipation peripheral wall and lamp bracket are stated, the damping inserted link is fixed on the heat dissipation peripheral wall, described Lamp bracket is equipped in the corresponding position of the damping inserted link and adjusts locating slot, and the adjusting locating slot includes determining for several connections Position hole unit.

10. Projecting Lamp as claimed in claim 9, which is characterized in that be further opened with several counterbores at the top of the radiator.