CN206723994U - A kind of LED flood light - Google Patents

Abstract

The utility model discloses a LED projecting lamp, include: the support comprises a left support plate, a right support plate and a bottom plate connected between the bottoms of the left support plate and the right support plate; LED lighting lamp body, LED lighting lamp body is rotatable to be located the left branch fagging with between the right branch fagging, LED lighting lamp body includes the shell and locates the aluminium base board of LED of shell the inside, the bottom surface of shell is sunken up in order to form the cavity and form the boss that up extends in the middle of the inboard diapire of shell a plurality of ventilation holes have been seted up at the top of boss and have been used for the intercommunication the cavity with the inner chamber of shell, the aluminium base board of LED is installed on the top surface of boss radiator fan is installed to the cavity the inside, radiator fan's air-out face towards the aluminium base board of LED is used for right the aluminium base board of LED dispels the heat, its simple structure, heat dispersion preferred.

Description

A kind of LED flood light

technical field

The utility model relates to an LED projection lamp, which belongs to the technical field of lighting fixtures.

Background technique

LED lighting sources have been widely used in the field of lighting due to their advantages of long life, low energy consumption and environmental protection. With the continuous development of energy-saving technology, LED lights are becoming the development direction of the lighting industry.

At present, more and more LED floodlights are emerging on the market. However, the overall structure of the existing LED floodlights is relatively complex, especially its poor heat dissipation performance, which easily affects the normal operation of the LED aluminum substrate, and reduces the reliability of the LED aluminum substrate and shortens the service life.

Utility model content

The main purpose of the present utility model is to overcome the disadvantages of the above-mentioned background technology, and provide an LED floodlight, which has a simple structure and better heat dissipation performance.

The above-mentioned purpose is achieved through the following technical solutions:

An LED floodlight, comprising:

a bracket, the bracket includes a left support plate, a right support plate, and a bottom plate connected between the left support plate and the bottom of the right support plate;

LED lighting lamp body, the LED lighting lamp body is rotatably arranged between the left support plate and the right support plate, the LED lighting lamp body includes a casing and an LED aluminum substrate arranged inside the casing, so The bottom surface of the housing is recessed upwards to form a cavity, and an upwardly extending boss is formed in the middle of the inner bottom wall of the housing, and a number of ventilation holes are opened on the top of the boss to communicate with the concave cavity and the The inner cavity of the housing, the LED aluminum substrate is installed on the top surface of the boss, and a cooling fan is installed in the concave cavity, and the air outlet of the cooling fan faces the LED aluminum substrate for The LED aluminum substrate is used for heat dissipation.

In some embodiments, between the boss and the side wall of the housing, and on the bottom wall of the housing, there are cooling holes distributed at intervals in the circumferential direction.

In some embodiments, a filter is installed in the heat dissipation hole.

In some embodiments, a bottom cover is installed on the bottom of the housing for opening and closing the lower opening of the cavity.

In some embodiments, it also includes a condensing cover, the condensing cover is arranged in the housing and its lower end is installed together with the top of the boss.

In some embodiments, the condensing cover is trumpet-shaped.

In some embodiments, a protective glass is installed in the open upper opening of the housing.

In some embodiments, the bracket is made of galvanized sheet.

In some embodiments, the LED aluminum substrate includes a circuit board and several LED lamp beads installed on the circuit board, and the circuit board blocks part of the ventilation holes.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

1. The LED floodlight of the present utility model has a relatively simple overall structure and better heat dissipation performance, which can effectively ensure the normal and stable operation of the LED aluminum substrate and prolong the service life of the LED floodlight.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

Fig. 1 is a schematic structural diagram of the LED floodlight in the embodiment.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Embodiment 1: As shown in Figure 1, this embodiment is an LED floodlight, including:

Bracket 1, which includes a left support plate 101, a right support plate 102, and a bottom plate 103 connected between the left support plate 101 and the bottom of the right support plate 102;

LED lighting lamp body, the LED lighting lamp body can be rotatably arranged between the left support plate 101 and the right support plate 102, the LED lighting lamp body includes a casing 2 and an LED set inside the casing 2 The aluminum substrate 3, the bottom surface of the housing 2 is recessed upwards to form a cavity 200 and an upwardly extending boss 201 is formed in the middle of the inner bottom wall of the housing 2, and several ventilation channels are opened on the top of the boss 201 The hole 202 is used to connect the concave cavity 200 with the inner cavity of the housing 2, the LED aluminum substrate 3 is installed on the top surface of the boss 201, and a cooling fan 4 is installed in the concave cavity 200, The air outlet surface of the cooling fan 4 faces the LED aluminum substrate 3 for dissipating heat from the LED aluminum substrate 3 .

The LED floodlight of this embodiment has a relatively simple overall structure and better heat dissipation performance. The LED aluminum substrate is directly and effectively dissipated heat through the heat dissipation fan, so as to ensure the normal and stable operation of the LED aluminum substrate and prolong the LED projection. lamp life. In addition, since the cooling fan is arranged in the concave cavity formed by the upward depression of the bottom surface of the shell, the installation of the cooling fan is simple, convenient and compact, and does not occupy additional space, making the use of space more effective.

Preferably, between the boss 201 and the side wall of the housing 2, and on the bottom wall of the housing 2, there are cooling holes 203 spaced along the circumferential direction, so as to speed up the circulation of the air in the housing. Especially when the heat dissipation fan starts to work, the heat dissipation performance of the LED floodlight of this embodiment can be further improved, and the working stability of the LED aluminum substrate can be improved.

Preferably, a filter 5 is installed in the heat dissipation hole 203, so as to prevent sundries on the bottom surface of the housing from entering the housing, thereby ensuring the reliability and safety of the LED lighting body.

Preferably, a bottom cover 6 is installed on the bottom of the housing 2 for opening and closing the lower opening of the concave cavity 200. It has a simple structure and can effectively protect the cooling fan while avoiding the installation of the cooling fan. and disassembly.

Further, it also includes a condensing cover 7, the condensing cover 7 is arranged in the housing 2 and its lower end is installed together with the top of the boss 201, the structure is simple, and the condensing cover 7 is easy to install ,stable.

In particular, the condensing cover 7 is in the shape of a trumpet, which can effectively gather the light emitted by the LED aluminum substrate 3 and improve the light projection and lighting effect of the LED floodlight.

Preferably, a protective glass 8 is installed in the open upper opening of the housing 2, which can effectively protect the components inside the LED lighting body from damage.

Preferably, the support 1 is made of galvanized sheet, more preferably, the support 1 is integrally stamped from galvanized sheet, the galvanized sheet has good anti-corrosion and anti-rust performance and high structural strength.

Preferably, the LED aluminum substrate 3 includes a circuit board 301 and a number of LED lamp beads 302 mounted on the circuit board 301, and the circuit board 301 blocks part of the ventilation holes 202, thereby preventing heat dissipation from Part of the air blown out by the fan can directly dissipate heat from the circuit board, and part of it can be carried into the casing for heat dissipation and finally discharged from the heat dissipation holes. The structure is simple and the heat dissipation effect is good.

What have been described above are only some embodiments of the present utility model. For those skilled in the art, without departing from the inventive concept of the present utility model, some modifications and improvements can be made, and these all belong to the protection scope of the present utility model.

Claims (9)

1. An LED floodlight, characterized in that it comprises: a bracket, the bracket includes a left support plate, a right support plate, and a bottom plate connected between the left support plate and the bottom of the right support plate; LED lighting lamp body, the LED lighting lamp body is rotatably arranged between the left support plate and the right support plate, the LED lighting lamp body includes a casing and an LED aluminum substrate arranged inside the casing, so The bottom surface of the casing is recessed upwards to form a cavity, and a boss extending upward is formed in the middle of the inner bottom wall of the casing, and a number of ventilation holes are opened on the top of the boss to communicate with the cavity and the cavity. The inner cavity of the housing, the LED aluminum substrate is installed on the top surface of the boss, and a cooling fan is installed in the concave cavity, and the air outlet of the cooling fan faces the LED aluminum substrate for The LED aluminum substrate is used for heat dissipation. 2. An LED floodlight according to claim 1, characterized in that, between the boss and the side wall of the housing, and on the bottom wall of the housing, there are holes distributed at intervals in the circumferential direction. Vents. 3. The LED floodlight according to claim 2, wherein a filter is installed in the heat dissipation hole. 4. The LED floodlight according to claim 1, 2 or 3, characterized in that a bottom cover is installed on the bottom of the housing for opening and closing the lower opening of the concave cavity. 5. A LED floodlight according to claim 1, 2 or 3, characterized in that it also includes a condensing cover, the condensing cover is arranged in the housing and its lower end is in contact with the boss top mounted together. 6 . The LED floodlight according to claim 5 , wherein the condensing cover is trumpet-shaped. 7 . 7. The LED floodlight according to claim 1, 2 or 3, characterized in that a protective glass is installed in the open upper opening of the housing. 8. An LED floodlight according to claim 1, 2 or 3, characterized in that the bracket is made of galvanized sheet. 9. The LED floodlight according to claim 1, 2 or 3, wherein the LED aluminum substrate includes a circuit board and a number of LED beads mounted on the circuit board, and the circuit board Part of the ventilation hole is blocked.