CN209819332U

CN209819332U - LED projection lamp

Info

Publication number: CN209819332U
Application number: CN201921023134.XU
Authority: CN
Inventors: 陈志锋; 朱志成
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2019-12-20
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a LED projection lamp, which comprises a bottom shell, an LED light source structure arranged in the bottom shell, a driving device, a light guide plate arranged on the front end surface of the bottom shell, a light-passing plate arranged on the front end surface of the light guide plate, and an adjusting mounting rack arranged on two sides of the bottom shell; the bottom shell comprises a plate-shaped part, a concave cavity which is arranged at the bottom of the plate-shaped part and can contain the driving device, and a heat dissipation structure arranged on the back of the plate-shaped part; LED light source structure includes the light source base plate, locate LED lamp pearl on the light source base plate, be equipped with a plurality of trompils that correspond with LED lamp pearl on the light guide plate, be equipped with a plurality of covers on the light guide plate and locate the light-transmitting seat on the LED lamp pearl, the edge at the light guide plate back extends a plurality of first screw posts, the edge of light guide plate is equipped with a plurality of first screws that correspond the adaptation with first screw post, the edge of drain pan is equipped with a plurality of second screws that correspond the adaptation with first screw post, first screw spiro union in proper order inserts the second screw, first screw, thereby make the drain pan in first screw post is first, the light guide plate, light guide plate zonulae occlude.

Description

LED projection lamp

Technical Field

The utility model relates to the technical field of lamps and lanterns, in particular to LED projecting lamp.

Background

With the continuous breakthrough of the LED technology, especially the successful development of high-power and high-efficiency LEDs, LEDs are widely used in various illumination fields, such as LED projection lamps. The structure tradition of current LED projecting lamp is old and old, generally include the drain pan, locate the LED light source structure in the drain pan, a drive arrangement, the light guide plate, the light-passing board, especially including installing the face frame of terminal surface before the drain pan, the face frame is connected fixedly and is to the light-passing board through the screw with the drain pan, parts such as light guide plate play the fastening effect, such structure is often followed the outward appearance and is just seen the screw, it is brief pleasing to the eye inadequately, in addition, current LED projecting lamp is in order to improve the radiating efficiency, often can set up loaded down with trivial details complicated heat radiation structure, the thickness that has just so LED to the LED projecting lamp is great, whole lamp is bulky. In addition, the LED projecting lamp often need install in outdoor environment, and the sealing performance of current LED projecting lamp is general, and water-proof effects is not good enough.

Therefore, how to realize a novel structure reasonable, need not to set up the frame part, simplified structural design, and openly can not see the screw basically, pleasing to the eye brief generous, sealed waterproof performance is strong, reduces the thickness of whole lamp in order to form the LED projecting lamp of ultra-thin type lamp body structure by a wide margin when guaranteeing the radiating efficiency and is the technological problem that awaits the solution in the industry.

Disclosure of Invention

The utility model aims at providing a LED projecting lamp, it is reasonable to aim at realizing a novel structure, need not to set up the frame part, has simplified structural design, and can not see the screw openly basically, and is pleasing to the eye brief generous, and waterproof sealing performance is strong, reduces the thickness of whole lamp in order to form the LED projecting lamp of ultra-thin type lamp body structure by a wide margin when guaranteeing the radiating efficiency.

The utility model provides a LED projection lamp, which comprises a bottom shell, an LED light source structure arranged in the bottom shell, a driving device electrically connected with the LED light source structure, a light guide plate arranged on the front end surface of the bottom shell, a light-passing plate made of light-passing material and arranged on the front end surface of the light guide plate, and an adjusting mounting frame arranged on two sides of the bottom shell; the bottom shell comprises a plate-shaped part, a concave cavity which is arranged at the bottom of the plate-shaped part and can contain the driving device, and a heat dissipation structure which is arranged at the back of the plate-shaped part, wherein the bottom shell is of an integrally formed structure and is made of heat-conducting metal; LED light source structure includes the light source base plate, lay a plurality of LED lamp pearls on the light source base plate, be equipped with a plurality of trompils that correspond and enclose and locate LED lamp pearl on the light guide plate with LED lamp pearl, be equipped with a plurality of covers on the light-passing board and locate the light-transmitting seat on the LED lamp pearl, the edge at the light-passing board back extends a plurality of first screw posts, the edge of light guide plate is equipped with a plurality of first screws that correspond the adaptation with first screw post, the edge of drain pan is equipped with a plurality of second screws that correspond the adaptation with first screw post, first screw spiro union in proper order is gone into the second screw, first screw, thereby make the drain pan in first screw post, the light guide plate, light-.

Preferably, the heat dissipation structure includes a heat dissipation ring disposed at a central position of the back of the bottom casing, a heat dissipation pattern disposed in the heat dissipation ring, and a plurality of heat dissipation fins extending outwards from the heat dissipation ring for dissipating heat, and the height of the heat dissipation structure is the same as the height of the cavity.

Preferably, the bottom shell is provided with an annular clamping groove, an annular sealing ring is embedded in the annular clamping groove, and the annular sealing ring is tightly attached between the light guide plate and the bottom shell.

Preferably, the central position of the back of the light-transmitting plate extends out of the second screw hole column, the light guide plate is provided with a third screw hole correspondingly matched with the second screw hole column, the light source substrate is provided with a fourth screw hole correspondingly matched with the second screw hole column, the bottom shell is provided with a fifth screw hole correspondingly matched with the second screw hole column, and the second screw is sequentially screwed into the fifth screw hole, the fourth screw hole, the third screw hole and the second screw hole column, so that the middle positions of the bottom shell, the light source substrate, the light guide plate and the light-transmitting plate are tightly connected.

Preferably, the LED light source structure is fixed on the bottom case by means of screws.

Preferably, the concave cavity is provided with a wire outlet hole, and the wire outlet hole is provided with a waterproof wire outlet seat.

The utility model discloses a novel structure is reasonable, need not to set up the frame part, has simplified structural design, and can not see the screw openly basically, and is pleasing to the eye brief generous, and waterproof sealing performance is strong, reduces the thickness of whole lamp in order to form the LED projecting lamp of ultra-thin type lamp body structure by a wide margin when guaranteeing the radiating efficiency.

Drawings

Fig. 1 is one of schematic three-dimensional structural diagrams of an embodiment of an LED projection lamp according to the present invention;

fig. 2 is a second schematic perspective view of an embodiment of an LED projector according to the present invention;

fig. 3 is a third schematic view of a three-dimensional structure of an embodiment of the LED projector according to the present invention;

fig. 4 is one of the exploded schematic views of the three-dimensional structure of an embodiment of the LED projector according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a second exploded schematic view of a three-dimensional structure according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6, an embodiment of the LED projection lamp of the present invention is provided, including a bottom case, a LED light source structure disposed in the bottom case, a driving device 300 electrically connected to the LED light source structure, a light guide plate 400 disposed on a front end surface of the bottom case, a light transmission plate 500 disposed on a front end surface of the light guide plate 400 and made of a light transmission material, and an adjusting mounting frame 600 disposed on two sides of the bottom case.

The bottom shell comprises a plate-shaped part 101, a cavity 102 arranged at the bottom of the plate-shaped part 101 and used for accommodating the driving device 300, and a heat dissipation structure arranged at the back of the plate-shaped part 101, wherein the bottom shell is of an integrally molded structure and made of heat-conducting metal.

The LED light source structure comprises a light source substrate 201 and a plurality of LED lamp beads 202 arranged on the light source substrate 201.

The light guide plate 400 is provided with a plurality of openings 401 corresponding to the LED lamp beads 202 and surrounding the LED lamp beads 202.

The light-transmitting plate 500 is provided with a plurality of light-transmitting seats 501 covering the LED lamp beads 202.

A plurality of first screw hole columns 502 extend from the edge of the back surface of the light-transmitting plate 500, a plurality of first screw holes 402 corresponding to the first screw hole columns 502 are formed in the edge of the light-transmitting plate 400, a plurality of second screw holes 106 corresponding to the first screw hole columns 502 are formed in the edge of the bottom shell, and the first screws are sequentially screwed into the second screw holes 106, the first screw holes 402 and the first screw hole columns 502 in the first mode to enable the bottom shell, the light-transmitting plate 400 and the light-transmitting plate 500 to be tightly connected.

A second screw hole column 503 extends from the central position of the back surface of the light-transmitting plate 500, a third screw hole 403 correspondingly adapted to the second screw hole column 503 is arranged on the light-guiding plate 400, a fourth screw hole 203 correspondingly adapted to the second screw hole column 503 is arranged on the light source substrate 201, a fifth screw hole 107 correspondingly adapted to the second screw hole column 503 is arranged on the bottom shell, and a second screw is sequentially screwed into the fifth screw hole 107, the fourth screw hole 203, the third screw hole 403 and the second screw hole column 503, so that the middle positions of the bottom shell, the light source substrate 201, the light-guiding plate 400 and the light-transmitting plate 500 are tightly connected. Such novel structure is reasonable, need not to set up the frame part, has simplified structural design, and, although light-transmitting board 500 is made by the printing opacity material, nevertheless the screw hole post extends from the light-transmitting board 500 back, and the screw is gone into in the screw hole post by the back spiro union, and the screw can not basically be seen from the front of light-transmitting board 500 like this for the front of lamp body is pleasing to the eye brief generous.

The heat dissipation structure includes a heat dissipation ring 103 disposed at a central position of the back of the bottom case, a heat dissipation pattern 104 disposed in the heat dissipation ring 103, and a plurality of heat dissipation fins 105 extending outward from the heat dissipation ring 103, and the height of the heat dissipation structure is the same as the height of the cavity 102. Radiating ring 103, heat dissipation pattern 104, radiating fin 105 greatly increased with the area of contact of outside air, the radiating efficiency is high, and the drain pan is the integrated into one piece structure and is made by heat conduction metal, so can further improve the radiating efficiency, can ensure the radiating effect, moreover, the drain pan includes platelike part 101, but locate the cavity 102 of platelike part 101 bottom holding drive arrangement 300, locate the heat radiation structure at the platelike part 101 back, heat radiation structure's height is the same with cavity 102's height, when just so can ensure the heat radiation efficiency, the thickness of whole lamp has been reduced by a wide margin, form ultra-thin type lamp body structure's projecting lamp.

The bottom shell is provided with an annular clamping groove 108, an annular sealing ring 109 is embedded in the annular clamping groove 108, and under the action force of the first screw and the second screw, the annular sealing ring 109 is tightly attached between the light guide plate 400 and the bottom shell, so that the bottom shell is better in sealing and waterproof performance.

The concave cavity 102 is provided with a wire outlet hole, and the wire outlet hole is provided with a waterproof wire outlet seat 110 to prevent water from entering the lamp from the wire outlet hole, so that the sealing and waterproof performance is better.

The LED light source structure is fixed on the bottom shell in a screw mode.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. An LED projection lamp is characterized by comprising a bottom shell, an LED light source structure arranged in the bottom shell, a driving device electrically connected with the LED light source structure, a light guide plate arranged on the front end surface of the bottom shell, a light transmission plate made of light transmission materials and arranged on the front end surface of the light guide plate, and adjusting mounting frames arranged on two sides of the bottom shell;

the bottom shell comprises a plate-shaped part, a concave cavity which is arranged at the bottom of the plate-shaped part and can contain the driving device, and a heat dissipation structure which is arranged at the back of the plate-shaped part, wherein the bottom shell is of an integrally formed structure and is made of heat-conducting metal;

LED light source structure includes the light source base plate, lay a plurality of LED lamp pearls on the light source base plate, be equipped with a plurality of trompils that correspond and enclose and locate LED lamp pearl on the light guide plate with LED lamp pearl, be equipped with a plurality of covers on the light-passing board and locate the light-transmitting seat on the LED lamp pearl, the edge at the light-passing board back extends a plurality of first screw posts, the edge of light guide plate is equipped with a plurality of first screws that correspond the adaptation with first screw post, the edge of drain pan is equipped with a plurality of second screws that correspond the adaptation with first screw post, first screw spiro union in proper order is gone into the second screw, first screw, thereby make the drain pan in first screw post, the light guide plate, light-.

2. The LED projection lamp of claim 1, wherein the heat dissipation structure comprises a heat dissipation ring disposed at a central position of the back surface of the bottom casing, a heat dissipation pattern disposed in the heat dissipation ring, and a plurality of heat dissipation fins extending outward from the heat dissipation ring for dissipating heat, and a height of the heat dissipation structure is the same as a height of the cavity.

3. The LED projection lamp according to claim 1 or 2, wherein the bottom shell is provided with an annular clamping groove, an annular sealing ring is embedded in the annular clamping groove, and the annular sealing ring is tightly attached between the light guide plate and the bottom shell.

4. The LED projection lamp according to claim 3, wherein the center of the back of the light-transmitting plate extends out of the second screw hole column, the light guide plate is provided with a third screw hole corresponding to the second screw hole column, the light source substrate is provided with a fourth screw hole corresponding to the second screw hole column, the bottom shell is provided with a fifth screw hole corresponding to the second screw hole column, and the second screw is sequentially screwed into the fifth screw hole, the fourth screw hole, the third screw hole and the second screw hole column, so that the middle positions of the bottom shell, the light source substrate, the light guide plate and the light-transmitting plate are tightly connected.

5. The LED projection lamp of claim 4, wherein the LED light source structure is fixed on the bottom shell by screws.

6. The LED projection lamp of claim 5, wherein the cavity is provided with an outlet hole, and the outlet hole is provided with a waterproof outlet seat.