CN211260387U

CN211260387U - LED spotlight

Info

Publication number: CN211260387U
Application number: CN201922285483.5U
Authority: CN
Inventors: 傅雪平; 吴大勇
Original assignee: GUANGZHOU SIQUANDE LIGHTING CO Ltd
Current assignee: GUANGZHOU SIQUANDE LIGHTING CO Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-14
Anticipated expiration: 2029-12-18

Abstract

The utility model provides a LED spotlight, its casing front end is equipped with the installing frame that extends to inside, the rear end of installing frame is equipped with lens, the lateral wall of installing frame is seted up a plurality of exhaust vents that are array distribution, the rear end of casing has seted up the fresh air inlet, form main heat dissipation passageway between fresh air inlet and the exhaust vent, and fresh air inlet department is equipped with main radiator fan, under the drive of main radiator fan, the air gets into the casing from the fresh air inlet, then discharges from the exhaust vent, dispel the heat in the casing to the external world fast, heat dispersion is good; the LED light source plate is respectively connected with the heat dissipation assembly and the focusing assembly, wherein the heat dissipation assembly is beneficial to transferring heat of the LED light source plate to the outside, and the focusing assembly can adjust the distance between the LED light source plate and the lens so as to adjust the focal length of the spotlight; and the air outlet is over against the lens, and the air blown out from the air outlet can remove dust and water mist adhered on the outer surface of the lens, so that the lighting quality of the LED spotlight is improved.

Description

LED spotlight

Technical Field

The utility model relates to a lighting apparatus technical field specifically is a LED spotlight.

Background

Spotlights are lamps that concentrate light by means of a condenser or reflector, and are commonly used for large-area lighting and special lighting in photography. With the continuous progress of the LED light source technology, the LED spotlight gradually replaces the conventional tungsten halogen spotlight with its advantages of good lighting effect, energy saving, long service life, etc., and heat dissipation has become a core technology that affects key indexes such as light attenuation and service life of the LED spotlight. In the prior art, most of the LED spot lamps adopt a heat dissipation method combining an aluminum substrate with a high-power fan, and because the heat conductivity of the aluminum substrate is limited, and the fan only acts on the aluminum substrate, it is difficult to quickly dissipate the heat inside the spot lamp to the outside, and the heat dissipation requirement of the high-power LED spot lamp cannot be met.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of prior art, the utility model provides a LED spotlight, its heat dispersion is good, and can adjust the focus.

The utility model adopts the following technical proposal.

The utility model provides a LED spotlight, includes the casing to and locate the inside LED light source board of casing, the front end of casing is equipped with the installing frame that extends to inside, the rear end of installing frame is equipped with lens, and a plurality of exhaust vents that are the array distribution are seted up to the lateral wall of installing frame, and the fresh air inlet has been seted up to the rear end of casing, form main radiating passage between fresh air inlet and the exhaust vent, and the fresh air inlet department is equipped with main radiator fan, LED light source board is connected with radiator unit and focusing subassembly respectively.

Further, radiator unit is including locating the heat conduction base at LED light source board back, the embedded a plurality of heat pipes that are equipped with of heat conduction base, the both ends of heat pipe extend and are parallel to each other to the rear of heat conduction base respectively, and the outside of heat pipe is equipped with a plurality of fins along its length direction equidistance, forms the vice heat dissipation channel crossing with main heat dissipation channel between the adjacent fin, so be equipped with the vice radiator fan just to vice heat dissipation channel on the fin.

Further, the focusing assembly comprises a guide rod arranged on the inner wall of the shell, a moving seat which is connected with the guide rod in a sliding mode and fixedly connected with the LED light source plate, and a through shaft type stepping motor which is connected with the moving seat in a driving mode, wherein a shell of the through shaft type stepping motor is fixedly connected with the moving seat, and a lead screw of the through shaft type stepping motor is rotatably connected with the shell.

Furthermore, a rain shielding edge is arranged at the position, outside the mounting frame, of the front end of the shell, and the rain shielding edge and the shell are integrally manufactured and formed.

Furthermore, the edge of installing frame rear end extends to the outside and forms the installation wall, the rear end of installation wall is equipped with a plurality of spacers of arranging along circumference, the spacer include with installation wall fixed connection's straightway to and the U type section that one end and straightway are connected, the other end bending type of U type section becomes the turn-ups that offsets with the lens rear end face.

The utility model has the advantages that:

the utility model discloses a casing front end is equipped with the installing frame that extends to inside, and the rear end of installing frame is equipped with lens, and the lateral wall of installing frame is seted up a plurality of exhaust vents that are array distribution, and the rear end of casing has seted up the fresh air inlet, forms main heat dissipation channel between fresh air inlet and the exhaust vent, and fresh air inlet department is equipped with main radiator fan, and under the drive of main radiator fan, the air gets into the casing from the fresh air inlet, then discharges from the exhaust vent, disperses the heat in the casing to the external world fast, and heat dispersion is good; the LED light source plate is respectively connected with the heat dissipation assembly and the focusing assembly, wherein the heat dissipation assembly is beneficial to transferring heat of the LED light source plate to the outside, and the focusing assembly can adjust the distance between the LED light source plate and the lens so as to adjust the focal length of the spotlight; and the air outlet is over against the lens, and the air blown out from the air outlet can remove dust and water mist adhered on the outer surface of the lens, so that the lighting quality of the LED spotlight is improved.

Drawings

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

Fig. 1 is a schematic perspective view of the present invention (with part of the housing omitted);

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of a connection structure of the lens and the mounting wall.

Description of reference numerals:

the LED light source module comprises a shell 1, an installation frame 11, an air outlet 111, an air inlet 12, a main heat dissipation channel 13, a rain shielding edge 14, an installation wall 15, an LED light source plate 2, a lens 3, a main heat dissipation fan 4, a heat conduction base 51, a heat conduction pipe 52, fins 53, an auxiliary heat dissipation channel 54, an auxiliary heat dissipation fan 55, a guide rod 61, a moving seat 62, a through shaft type stepping motor 63, a straight line section 71 and a U-shaped section 72.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for a better understanding of the present embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent actual product dimensions.

It will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

An LED spotlight as shown in the attached drawing, including casing 1 to and locate the inside LED light source board 2 of casing 1, the front end of casing 1 is equipped with the installing frame 11 that extends inside, the rear end of installing frame 11 is equipped with lens 3, and a plurality of exhaust vents 111 that are the array distribution are seted up to the lateral wall of installing frame 11, and fresh air inlet 12 has been seted up to the rear end of casing 1, form main radiating channel 13 between fresh air inlet 12 and the exhaust vent 111, and fresh air inlet 12 department is equipped with main radiator fan 4, LED light source board 2 is connected with radiator unit and focusing subassembly respectively. Specifically, main radiator fan drives the air and gets into the casing from the fresh air inlet to discharge from the exhaust vent, and then quick with the inside heat dissipation of casing to the external world, the radiating effect is good. Meanwhile, air discharged from the air outlet hole is blown over the outer surface of the lens to remove dust and mist adhered to the outer surface of the lens, thereby improving the lighting quality of the LED spot lamp.

Preferably, the heat dissipation assembly includes a heat conduction base 51 disposed on the back of the LED light source board 2, a plurality of heat conduction pipes 52 are embedded in the heat conduction base 51, two ends of each heat conduction pipe 52 extend to the back of the heat conduction base 51 and are parallel to each other, a plurality of fins 53 are disposed on the outer side of each heat conduction pipe 52 at equal intervals along the length direction of the heat conduction pipe, and an auxiliary heat dissipation channel 54 intersecting with the main heat dissipation channel 13 is formed between adjacent fins 53, so that an auxiliary heat dissipation fan 55 facing the auxiliary heat dissipation channel 54 is disposed on each fin 53. Specifically, heat generated by the working of the LED light source plate is transmitted to the fins through the heat conduction base and the heat conduction pipe in sequence, the auxiliary heat dissipation fan drives air to flow through the auxiliary heat dissipation channel so as to take away the heat on the fins, the auxiliary heat dissipation channel is intersected with the main heat dissipation channel, and hot air in the auxiliary heat dissipation channel enters the main heat dissipation channel and is discharged through the air outlet.

Preferably, the focusing assembly comprises a guide rod 61 arranged on the inner wall of the shell 1, a moving seat 62 connected with the guide rod 61 in a sliding manner and fixedly connected with the LED light source plate 2, and a through shaft type stepping motor 63 connected with the moving seat 62 in a driving manner, wherein a shell of the through shaft type stepping motor 63 is fixedly connected with the moving seat 62, and a screw rod of the through shaft type stepping motor 63 is rotatably connected with the shell 1. Specifically, through axle formula step motor moves, and its lead screw rotates, and its casing is linear motion along the lead screw, and then the drive removes the seat and is linear motion along the guide arm to drive the linear motion that LED light source board was close to or kept away from lens, adjust with the focus to the LED spotlight.

Preferably, in order to prevent water from entering the interior of the housing 1 through the air outlet 111, a rain shielding edge 14 is disposed at a position on the outer side of the mounting frame 11 at the front end of the housing 1, and the rain shielding edge 14 and the housing 1 are integrally manufactured.

Preferably, the edge of the rear end of the mounting frame 11 extends outward to form a mounting wall 15, the rear end of the mounting wall 15 is provided with a plurality of positioning pieces arranged along the circumferential direction, each positioning piece comprises a straight line segment 71 fixedly connected with the mounting wall 15 and a U-shaped segment 72 with one end connected with the straight line segment 71, the other end of the U-shaped segment 72 is bent to form a flange abutting against the rear end face of the lens 3, and the positioning pieces and the mounting wall are matched to clamp the lens, so that the structure is simple.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a LED spotlight, includes the casing to and locate the inside LED light source board of casing, its characterized in that, the front end of casing is equipped with the installing frame that extends to inside, the rear end of installing frame is equipped with lens, and a plurality of exhaust vents that are the array distribution are seted up to the lateral wall of installing frame, and the fresh air inlet has been seted up to the rear end of casing, form main radiating passage between fresh air inlet and the exhaust vent, and fresh air inlet department is equipped with main radiator fan, LED light source board is connected with radiator unit and focusing subassembly respectively.

2. The LED spotlight according to claim 1, wherein the heat dissipation assembly comprises a heat conduction base disposed at the back of the LED light source board, a plurality of heat conduction pipes are embedded in the heat conduction base, two ends of the heat conduction pipes extend to the rear of the heat conduction base respectively and are parallel to each other, a plurality of fins are disposed at equal intervals along the length direction of the heat conduction pipes, and an auxiliary heat dissipation channel intersecting the main heat dissipation channel is formed between adjacent fins, so that auxiliary heat dissipation fans facing the auxiliary heat dissipation channel are disposed on the fins.

3. The LED spotlight according to claim 1 or 2, wherein the focusing assembly comprises a guide rod arranged on the inner wall of the housing, a movable base slidably connected with the guide rod and fixedly connected with the LED light source board, and a through-shaft stepping motor drivingly connected with the movable base, wherein a housing of the through-shaft stepping motor is fixedly connected with the movable base, and a screw rod of the through-shaft stepping motor is rotatably connected with the housing.

4. An LED spotlight according to claim 1, wherein the front end of the housing is provided with a rain-shielding edge at a position outside the mounting frame, and the rain-shielding edge is integrally formed with the housing.

5. The LED spotlight according to claim 1, wherein the edge of the rear end of the mounting frame extends outwards to form a mounting wall, the rear end of the mounting wall is provided with a plurality of positioning pieces arranged along the circumferential direction, each positioning piece comprises a straight line section fixedly connected with the mounting wall and a U-shaped section with one end connected with the straight line section, and the other end of the U-shaped section is bent to form a flange abutting against the rear end face of the lens.