CN209960300U - An LED lighting projection device - Google Patents

Abstract

The utility model relates to an LED lighting projection device which comprises a lamp shell, wherein a lamp holder is arranged at the bottom of the lamp shell, the side face of the lamp shell is connected with the lamp holder through a supporting mechanism, the supporting mechanism comprises an arc-shaped supporting frame, one end of the arc-shaped supporting frame is fixedly connected with the lamp holder through a fixing rod, the other end of the arc-shaped supporting frame is hinged with the side face of the lamp shell through a bolt, an opening is formed in the side face of the lamp shell, a mounting cavity communicated with the opening is formed in the lamp shell, a circuit board is arranged in the mounting cavity, an annular mounting plate is arranged in the middle of the circuit board, a lamp bead mounting opening is formed in the middle of the annular mounting plate, a lamp bead is mounted in the lamp bead mounting opening, the lamp bead is fixed with the surface of the circuit board in a soldering mode, the lamp bead is supported by the annular mounting plate, in addition, the lamp bead is connected with the circuit board in a soldering mode, the lamp bead is convenient to mount and fix, a plurality of radiating fins are arranged on the back face of the circuit board, radiating channels are formed between the adjacent radiating fins, and heat generated by the lamp bead on the circuit board is timely radiated through the radiating fins on the back face of the circuit board.

Description

An LED lighting projection device

technical field

The utility model relates to the field of lamps, in particular to an LED lighting projection device.

Background technique

Spotlights are lamps that specify that the illumination on the illuminated surface is higher than that of the surrounding environment, also known as spotlights. In general, it is capable of aiming in any direction and has a structure that is not affected by climatic conditions. Mainly used for large-area mines, building outlines, stadiums, overpasses, monuments, parks and flower beds, etc. The floodlight requires a large area of illumination. The current floodlights all use a flat light-emitting lampshade, and the light-emitting area is relatively small, and the circuit boards of the existing floodlights are bolted to the inner wall of the lamp housing, and the circuit board is prone to appear. In addition, when the light bulb in the lamp housing is installed, the light bulb needs to be installed in the lamp housing and fixed, and the light bulb needs to be connected with the circuit board through wires, so the installation and fixation of the light bulb is not convenient.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide an LED lighting projecting device in order to solve the defects existing in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is as follows:

An LED lighting projection device includes a lamp housing, the bottom of the lamp housing is provided with a lamp holder, the side surface of the lamp housing is connected with the lamp holder by a support mechanism, the support mechanism comprises an arc-shaped support frame, and the arc-shaped support frame is provided with a lamp holder. One end is fixedly connected to the lamp holder through a fixing rod, and the other end of the arc-shaped support frame is hinged to the side of the lamp housing through bolts;

The side of the lamp housing is provided with an opening, a mounting cavity communicating with the opening is arranged in the lamp housing, a circuit board is arranged in the mounting cavity, an annular mounting plate is arranged in the middle of the circuit board, and a lamp bead mounting plate is arranged in the middle of the annular mounting plate The lamp bead is installed in the lamp bead installation opening, and the lamp bead is soldered and fixed to the surface of the circuit board. The back of the circuit board is provided with a plurality of heat dissipation fins, and a heat dissipation channel is formed between adjacent heat dissipation fins.

Further, two mutually symmetrical support bosses are arranged on the inner wall of the lamp housing, and the surfaces of the support bosses are in contact with the back surface of the circuit board.

Further, the annular mounting plate is fixed on the surface of the circuit board by screws.

Further, the lamp housing is spherical, the opening of the lamp housing is provided with an arc-shaped light-emitting lampshade, the arc-shaped light-emitting lampshade is threadedly connected to the opening and pressed against the edge of the circuit board, and the lamp housing is located inside the arc-shaped support frame.

Further, there is a gap between the bottom of the lamp housing and the end of the arc-shaped support frame.

Further, the arc-shaped support frame and the fixing rod are integrally formed.

The beneficial effects of the utility model are as follows: an annular mounting plate is arranged in the middle of the circuit board of the floodlight, and a lamp bead installation opening is arranged in the middle of the annular installation plate. Soldering and fixing, the lamp beads are supported by the annular mounting plate, and the lamp beads are connected to the circuit board by soldering, which is easy to install and fix;

In addition, the inner wall of the lamp housing is provided with two mutually symmetrical support bosses, the surface of the support bosses is in contact with the back of the circuit board, the opening of the lamp housing is provided with an arc-shaped light-emitting lampshade, and the arc-shaped light-emitting lampshade is threadedly connected to the opening And press the edge of the circuit board, the circuit board is equivalent to pressing and clamping through the support boss and the arc light-emitting lampshade, the circuit board is easy to fix, and can be fixed and installed without screws;

Moreover, the back of the circuit board is provided with a plurality of heat dissipation fins, and a heat dissipation channel is formed between the adjacent heat dissipation fins.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the internal structure schematic diagram of the utility model;

Fig. 3 is the schematic diagram of the lamp housing of the utility model;

FIG. 4 is a schematic diagram of the circuit board of the present invention.

Detailed ways

As shown in FIG. 1 to FIG. 4 , an LED lighting projection device includes a lamp housing 1, and a lamp socket 2 is provided at the bottom of the lamp housing 1. The side surface of the lamp housing 1 is connected with the lamp socket 2 through a supporting mechanism. The mechanism includes an arc-shaped support frame 3, the lamp housing 1 is located on the inner side of the arc-shaped support frame 3, one end of the arc-shaped support frame 3 is fixedly connected with the lamp holder 2 through the fixing rod 4, and the bottom of the lamp housing 1 is connected to the arc-shaped support frame 3. There is a gap between the ends, and the other end of the arc-shaped support frame 3 is hinged with the side surface of the lamp housing 1 through bolts, and the tightness of the hinge is adjustable, which is convenient for the lamp housing 1 to rotate;

The side of the lamp housing 1 is provided with an opening, and the lamp housing 1 is provided with a mounting cavity 5 that communicates with the opening. The mounting cavity 5 is provided with a circuit board 6, and the middle of the circuit board 6 is provided with an annular mounting plate 7, and the annular mounting plate 7 passes through. The screw is fixed on the surface of the circuit board 6, the middle of the annular mounting plate 7 is provided with a lamp bead installation port 8, the lamp bead is installed in the lamp bead installation port 8, and the lamp bead and the surface of the circuit board 6 are soldered and fixed, and the back of the circuit board 6 A plurality of heat dissipation fins 9 are provided, and heat dissipation channels are formed between adjacent heat dissipation fins 9 .

Further, two mutually symmetrical support bosses 10 are arranged on the inner wall of the lamp housing 1 , and the surfaces of the support bosses 10 are in contact with the back surface of the circuit board 6 .

The lamp housing 1 has a spherical shape, and the opening of the lamp housing 1 is provided with an arc-shaped light-emitting lampshade 11 .

The middle of the circuit board 6 of the floodlight is provided with an annular mounting plate 7, and the middle of the annular mounting plate 7 is provided with a lamp bead installation port 8, the lamp bead is installed in the lamp bead installation port 8, and the surface of the lamp bead and the circuit board 6 is tinned. Soldering and fixing, the lamp beads are supported by the annular mounting plate 7, and the lamp beads are connected to the circuit board 6 by soldering, and the lamp beads are easy to install and fix;

In addition, the inner wall of the lamp housing 1 is provided with two mutually symmetrical supporting bosses 10, and the surface of the supporting bosses 10 is in contact with the back of the circuit board 6, and the opening of the lamp housing 1 is provided with an arc-shaped light-emitting lampshade 11. The light-emitting lampshade 11 is threadedly connected with the opening and presses the edge of the circuit board 6. The circuit board 6 is equivalent to pressing and engaging with the arc-shaped light-emitting lampshade 11 through the supporting boss 10. The circuit board 6 is easy to fix and can be fixed and installed without screws;

Moreover, the back of the circuit board 6 is provided with a plurality of heat dissipation fins 9, and a heat dissipation channel is formed between the adjacent heat dissipation fins 9, and the heat generated by the lamp beads on the circuit board 6 is dissipated in time through the heat dissipation fins 9 on the back of the circuit board 6, Easy to dissipate heat.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions describe only the principles of the present invention. There are various changes and improvements that fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An LED lighting light projection device comprises a lamp shell, wherein a lamp holder is arranged at the bottom of the lamp shell, and the LED lighting light projection device is characterized in that the side surfaces of the lamp shell are connected through a supporting mechanism, the supporting mechanism comprises an arc-shaped supporting frame, one end of the arc-shaped supporting frame is fixedly connected with the lamp holder through a fixing rod, and the other end of the arc-shaped supporting frame is hinged with the side surface of the lamp shell through a bolt;

the side of lamp body has the opening, is equipped with the installation cavity with the opening intercommunication in the lamp body, is equipped with the circuit board in the installation cavity, and the middle part of circuit board is equipped with annular mounting panel, and the middle part of annular mounting panel is equipped with the lamp pearl installing port, installs the lamp pearl in the lamp pearl installing port, and the lamp pearl is fixed with the surface tin soldering of circuit board, and the back of circuit board is equipped with a plurality of radiating fin, forms heat dissipation channel between the adjacent radiating fin.

2. The LED lighting projection device of claim 1, wherein the inner wall of the lamp housing is provided with two symmetrical supporting bosses, and the surfaces of the supporting bosses are in contact with the back surface of the circuit board.

3. The LED lighting projector as claimed in claim 1, wherein the annular mounting plate is fixed to the surface of the circuit board by screws.

4. The LED lighting and light projecting device of claim 1, wherein said lamp housing is spherical, an arc light-emitting lampshade is disposed at the opening of the lamp housing, said arc light-emitting lampshade is screwed to the opening and presses the edge of the circuit board, and said lamp housing is located inside the arc support frame.

5. The LED lighting projector according to claim 1, wherein a gap is formed between the bottom of the lamp housing and the end of the arc-shaped support frame.

6. The LED lighting projector as claimed in claim 1, wherein the arc-shaped supporting frame is integrally formed with the fixing rod.

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