CN206803088U - LED flood light - Google Patents

Abstract

The utility model provides an LED floodlight, comprising a shell with a hollow chamber, an exhalation valve mechanism is provided on the bottom surface of the hollow chamber of the shell, the exhalation valve mechanism protrudes from the hollow chamber to the outside of the shell to form a groove, the side wall of the groove is provided with a plurality of air holes for discharging the hot air generated by the LED floodlight, the distance between the air hole located at one end of the inner wall of the groove and the shell is greater than the distance between the air hole located at one end of the outer wall of the groove and the shell, and the exhalation valve mechanism also includes a breathing membrane provided at one end of the air hole located at the inner wall of the groove. The utility model sets an exhalation valve mechanism at the bottom of the hollow chamber of the shell, when the LED lamp inside the LED floodlight generates heat, it will cause the internal air pressure to be higher than the external air pressure, so that the hot air generated by the LED lamp diffuses to the outside through the breathing membrane and the air holes, effectively plays a role in heat dissipation, and prolongs the service life of the device; at the same time, because the breathing membrane has a waterproof function, it can effectively enhance the waterproof effect of the device.

Description

LED flood light

technical field

The utility model relates to the technical field of lighting equipment, in particular to an LED projection lamp.

Background technique

LED floodlights, also known as spotlights, projection lights, spotlights, etc., are lamps that specify that the illuminance on the illuminated surface is higher than that of the surrounding environment; they are mainly used for architectural decorative lighting and commercial space lighting. There are several problems in the existing LED floodlights: 1. Due to the almost fully sealed structure, the heat dissipation performance is poor, so that water droplets are easy to remain on the mirror surface during use, especially in windy, frosty and rainy days, it is easier to fog the mirror surface, The waterproof and anti-fog effect cannot be achieved; 2. The screws on the back side of the LED floodlight housing used in the market are all fixed to the housing by welding, and the process steps are cumbersome; 3. The side wall of the housing on the market is equipped with The rotating device can only be rotated by 180°, and the angle cannot be adjusted arbitrarily, which limits the use of LED floodlights.

Utility model content

The technical problem to be solved by the utility model is to provide an LED projection lamp, improve the heat dissipation performance of the device, and prolong the service life of the device.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solution: an LED floodlight, comprising a shell with a hollow chamber, the bottom surface of the hollow chamber of the shell is provided with an exhalation valve mechanism, and the exhalation valve mechanism The hollow chamber protrudes to the outside of the shell to form a groove. The side wall of the groove is provided with a plurality of vent holes for discharging the heat generated by the LED floodlight. The vent holes are located at one end of the inner wall of the groove away from the shell. The distance is greater than the distance between the end of the vent hole located on the outer wall of the groove and the shell, and the exhalation valve mechanism further includes a breathing membrane arranged on the end of the vent hole located on the inner wall of the groove.

Further, the LED floodlight also includes a support frame for fixedly connecting with the shell to support the shell, the support frame includes a bridging portion and two ends of the bridge portion are provided for connecting the shell and are longer than the shell and the support frame. Attach the support arms to the sides half the length.

Further, a connection ear is provided at a corresponding position where the housing is connected to the support arm, and the support arm and the connection ear are rotationally connected by a first screw.

Further, the LED floodlight also includes an aluminum cup arranged in the hollow chamber of the housing, a lamp board fixed on the side of the aluminum cup facing away from the housing and equipped with an LED lamp, a reflector connected to the lamp board, and a cover The glass at the open end of the hollow chamber of the enclosure.

Further, the lamp board is fixedly connected to the aluminum cup through fixing screws.

Further, the lamp panel is fixedly connected to the reflector through buckling.

Further, the bottom surface of the hollow chamber of the casing is also provided with a first through hole for the wiring harness connecting the power supply and the LED lamp to pass through, and a waterproof nut is connected to the side of the first through hole away from the hollow chamber.

Further, the aluminum cup is provided with a second through hole that cooperates with the exhalation valve mechanism and the first through hole at the corresponding positions of the exhalation valve mechanism and the first through hole.

Further, the breathing membrane is a breathable film.

Further, the ventilation holes are evenly distributed along the side wall of the groove.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with an exhalation valve mechanism at the bottom of the hollow chamber of the shell, and through the function of the air vent of the exhalation valve mechanism and the breathing film, when the LED floodlight is inside When the LED lights generate heat, the internal air pressure will be higher than the outside, so that the heat generated by the LED lights will diffuse to the outside through the breathing film and air holes, which can effectively dissipate heat, reduce the probability of water droplets on the mirror surface, and prolong the life of the mirror. The service life of the device; at the same time, because the breathing membrane has a waterproof function, it can effectively enhance the waterproof effect of the device.

Description of drawings

Fig. 1 is a perspective view of an embodiment of the LED floodlight of the present invention.

Fig. 2 is a perspective view of another embodiment of the LED floodlight of the present invention.

Fig. 3 is a sectional view along plane B-B in Fig. 2 .

Fig. 4 is an exploded view of an embodiment of the LED floodlight of the present invention.

FIG. 5 is an enlarged view of part A in FIG. 1 .

Fig. 6 is a sectional view along plane C-C in Fig. 5 .

detailed description

The present application will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following exemplary embodiments and descriptions are only used to explain the utility model, not as a limitation to the utility model, and, in the case of no conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

As shown in Figures 1 to 6, the utility model provides an LED floodlight, which includes a housing 1 with a hollow chamber, the bottom surface of the hollow chamber of the housing is provided with an exhalation valve mechanism 11, and the exhalation valve The mechanism 11 protrudes from the hollow chamber to the outside of the shell 1 to form a groove, and the side wall of the groove is provided with a plurality of vent holes 111 for discharging the heat generated by the LED floodlight, and the vent holes 111 are located inside the groove The distance between one end of the wall and the housing 1 is greater than the distance between the end of the air hole 111 located on the outer wall of the groove and the outer wall of the groove.

The breathing membrane 112 is an existing PVC mask on the market, which has the performance characteristics of isolating moisture, air filtering and dustproof.

The utility model is provided with an exhalation valve mechanism 11 at the bottom of the hollow chamber of the shell 1. Through the function of the vent hole 111 of the exhalation valve mechanism 11 and the breathing film 112, when the LED lamp 41 inside the LED floodlight generates heat, it will cause The internal air pressure is higher than the external, so that the hot air generated by the LED lamp 41 diffuses to the outside through the breathing film 112 and the vent hole 111, which effectively plays the role of heat dissipation, reduces the probability of water drops on the mirror surface, and prolongs the service life of the device; at the same time , because the breathing membrane 112 has a waterproof function, it can effectively enhance the waterproof effect of the device.

In an optional embodiment, the LED floodlight further includes a support frame 2 for being fixedly connected with the casing 1 to support the casing 1. The support frame 2 includes a bridging portion 21 and a device at both ends of the bridging portion 21. There is a support arm 22 for connecting the shell 1 and having a length greater than half of the length of the side where the shell 1 is connected with the support frame 2 .

In this embodiment, since the length of the support arm 22 is greater than half of the length of the side connecting the shell 1 and the support frame 2, the LED floodlight can be rotated 360° along the support arm 22, effectively improving the use efficiency of the device. Adapt to more conditions of use.

In an optional embodiment, a connection ear 13 is provided at a corresponding position where the housing is connected to the support arm 22 , and the support arm 22 and the connection ear 13 are rotationally connected by a first screw 72 .

In this embodiment, through the function of the support arm 22 and the connecting ear 13, the effect of the LED floodlight rotating 360° along the support arm can be effectively realized, increasing the diversity of device usage.

In an optional embodiment, the LED floodlight also includes an aluminum cup 3 arranged in the hollow chamber of the housing 1, a light board 4 fixed on the side of the aluminum cup 3 facing away from the housing 1 and provided with an LED lamp 41, A reflector 5 connected to the lamp panel 4 and a glass 6 covering the open end of the hollow chamber of the casing 1 .

In an optional embodiment, the lamp board 4 is fixedly connected to the aluminum cup 3 through fixing screws 71 .

In this embodiment, the light board 4 and the aluminum cup 3 can be effectively fixed by the function of the fixing screw 71 to increase the stability of the device.

In an optional embodiment, the lamp panel 4 is fixedly connected to the reflector 5 by buckling. Through the fastening connection, the reflector 5 can be fixedly connected to the lamp panel 4 quickly and effectively.

In an optional embodiment, the bottom surface of the hollow chamber of the housing 1 is also provided with a first through hole 12 for the wire harness (not shown) connecting the power supply and the LED lamp 41 to pass through. The first through hole 12 A waterproof nut 73 is connected to the side away from the hollow chamber. Specifically, the waterproof nut 73 is integrally formed with the casing 1 .

In this embodiment, by setting the first through hole 12 and setting the waterproof nut 73 outside the first through hole 12, the waterproof performance of the device can be effectively improved while facilitating the passage of the wire harness; in addition, the waterproof nut 73 is integrated with the casing 1 Forming can further increase the sealing performance between the waterproof nut 73 and the casing 1 and improve the waterproof performance of the device.

In an optional embodiment, the aluminum cup 3 is provided with a second through hole that cooperates with the exhalation valve mechanism 11 and the first through hole 12 at the corresponding positions of the exhalation valve mechanism 11 and the first through hole 12 31. Setting the second through hole 31 can make the aluminum cup 3 fit better on the bottom surface of the hollow chamber of the housing 1 .

In an optional embodiment, the breathing film 112 is a breathable film.

In an optional embodiment, the ventilation holes 111 are evenly distributed along the sidewall of the groove.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacement and modification, the scope of the present utility model is defined by the appended claims and their equivalent scope.

Claims (10)

1. A kind of LED projection lamp, comprises the shell that has hollow chamber, is characterized in that: the bottom surface of described shell hollow chamber is provided with exhalation valve mechanism, and described exhalation valve mechanism protrudes from hollow chamber to shell outside. A groove is formed, and the side wall of the groove is provided with a plurality of vent holes for discharging the heat generated by the LED floodlight. The distance between one end of the wall and the shell, and the exhalation valve mechanism also includes a breathing membrane arranged at the end of the vent hole located on the inner wall of the groove. 2. The LED floodlight according to claim 1, characterized in that: the LED floodlight further comprises a support frame for fixed connection with the shell to support the shell, the support frame includes a bridging part and a Both ends of the part are provided with support arms for connecting the shell and having a length greater than half of the length of the side of the shell connected to the support frame. 3. The LED floodlight according to claim 2, characterized in that: a connection ear is provided at a corresponding position where the housing is connected to the support arm, and the support arm is connected to the connection ear by rotation of a first screw. 4. The LED floodlight according to claim 1, characterized in that: the LED floodlight also includes an aluminum cup arranged in the hollow chamber of the shell, fixed on the side of the aluminum cup facing away from the shell and equipped with an LED lamp The light board, the reflector connected with the light board and the glass covering the open end of the hollow chamber of the shell. 5. The LED floodlight according to claim 4, wherein the lamp board is fixedly connected to the aluminum cup by fixing screws. 6. The LED floodlight according to claim 4, characterized in that: the lamp board and the reflector are fixedly connected by buckling. 7. The LED floodlight according to claim 4, characterized in that: the bottom surface of the hollow chamber of the casing is also provided with a first through hole for the wiring harness connecting the power supply and the LED lamp to pass through, and the first through hole A waterproof nut is connected to the side away from the hollow chamber. 8. The LED floodlight according to claim 7, characterized in that: the aluminum cup is provided at the corresponding position of the exhalation valve mechanism and the first through hole to cooperate with the exhalation valve mechanism and the first through hole. the second through hole. 9. The LED floodlight according to claim 1, wherein the breathing film is a breathable film. 10. The LED floodlight according to claim 1 or 9, characterized in that: the ventilation holes are evenly distributed along the side wall of the groove.