CN212005328U

CN212005328U - LED light source composite structure and projection lamp with high-efficient heat dissipation function

Info

Publication number: CN212005328U
Application number: CN202020854036.7U
Authority: CN
Inventors: 邓性星
Original assignee: Shanghai Xingxun Electric Co ltd
Current assignee: Shanghai Xingxun Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-11-24
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a LED light source composite structure and a projection lamp with high-efficient heat dissipation function, wherein the LED light source composite structure comprises a shell, a lamp bead plate, a plurality of LED lamp beads, a heat pipe radiator, a fan, a power supply, an LED drive circuit and a snoot; the lamp bead plate is made of a heat conduction material and is fixedly arranged on the shell, and the LED lamp beads are arranged on the front side of the lamp bead plate; the heat pipe radiator is fixedly arranged on the back of the lamp bead plate, the fan is fixedly arranged on the shell, and the air flow blown by the fan is opposite to the heat pipe radiator; the power supply and the LED driving circuit are both arranged on the shell, the power supply is electrically connected with the LED driving circuit and the fan, and the LED lamp beads are electrically connected with the LED driving circuit; the snoot fixed mounting is on the shell, and the lamp pearl board is located the snoot, and the inner wall of snoot is the mirror surface. The projection lamp comprises the LED light source combination structure. The utility model has the advantages of simple structure and reasonable design, can shine luminance and the quality of the light beam on the film by effectual improvement.

Description

LED light source composite structure and projection lamp with high-efficient heat dissipation function

Technical Field

The utility model relates to a, in particular to LED light source integrated configuration and projection lamp with high-efficient heat dissipation function.

Background

The projection lamp, also known as a projector, is a device capable of projecting images or videos onto a curtain, and when the projection lamp is used for ordinary illumination, the projection lamp can be widely applied to outdoor lighting projects of lamps in families, offices, schools and entertainment places, and can also be used for creating effects of various lights and projecting required patterns.

A slide projector is one of the projectors, and is operated to irradiate light onto a film to project a picture pattern on the film and to continuously project the picture pattern on the film in the form of a slide.

However, in the existing slide projection lamp, a light source emits a large amount of heat after being used for a long time, and after the heat is accumulated, on one hand, the service life of an LED lamp bead is shortened, and on the other hand, a film is also accelerated to age; in addition, the existing magic sheet type projection lamp has poor picture appearance due to the fact that the illumination brightness of a light source is in a background, and the patterns on the film cannot be well displayed, so that the technical requirements of projection cannot be met.

SUMMERY OF THE UTILITY MODEL

Great and the not enough problem of illumination intensity of projection lamp calorific capacity to prior art exists, the utility model aims to provide a LED light source integrated configuration and projection lamp with high-efficient heat dissipation function.

In order to achieve the above purpose, the technical scheme of the utility model is that:

an LED light source combination structure with efficient heat dissipation function comprises a shell, a lamp bead plate, a plurality of LED lamp beads, a heat pipe radiator, a fan, a power supply, an LED driving circuit and a light-gathering cover; the lamp bead plate is made of heat conducting materials and is fixedly installed on the shell, and the LED lamp beads are installed on the front face of the lamp bead plate; the heat pipe radiator is fixedly arranged on the back of the lamp bead plate, the fan is fixedly arranged on the shell, and air flow blown by the fan is opposite to the heat pipe radiator; the power supply and the LED driving circuit are both arranged on the shell, the power supply is electrically connected with the LED driving circuit and the fan, and the LED lamp bead is electrically connected with the LED driving circuit; the snoot fixed mounting be in on the shell, just lamp pearl board is located in the snoot, the inner wall of snoot is the mirror surface.

As right the utility model discloses the further injeciton who makes, a plurality of LED lamp pearls evenly distributed is in the regular polygon region on the lamp pearl board.

As right the utility model discloses the further injeciton who makes, a plurality of LED lamp pearls distribute with the form of multiunit lamp pearl array on the lamp pearl board.

As right the utility model discloses the further injeciton who makes, heat pipe radiator is including fixing the cooling tube at the lamp pearl board back overlaps with the cover and is established a plurality of radiating fin on the cooling tube.

As a further limitation of the present invention, the power supply includes a power transformer and a rectifying and stabilizing device.

As a further limitation of the present invention, the snoot is fabricated from specular stainless steel.

As a further limitation to the present invention, the heat dissipation tube, the heat dissipation fins and the lamp bead plate are made of copper material.

As right the utility model discloses it is further limited that makes, the shell is made by the metal panel beating, the surface of shell is provided with the paint film, the lamp pearl board the power with the snoot is all installed through bolt or elasticity buckle structure detachable on the shell.

As right the utility model discloses the further injeciton who makes, the cooling tube with be provided with the thermal grease between the lamp pearl board.

On the other hand, the utility model also provides a projection lamp, it includes foretell LED light source integrated configuration who has high-efficient heat dissipation function.

By adopting the technical scheme, firstly, due to the arrangement of the lamp bead plate made of the heat conduction material, the heat pipe radiator directly connected with the lamp bead plate and the fan for blowing away hot air, heat emitted by the LED lamp bead can be conducted onto each radiating fin on the lamp bead plate by the heat pipe radiator after being transmitted onto the lamp bead plate, so that the radiating area is increased, and then the radiating fins are cooled by the fan, so that the service life of the LED lamp bead is prevented from being influenced by overhigh temperature of the LED lamp bead, and meanwhile, the luminous power of the LED lamp bead can be increased; in addition, due to the arrangement of the light-gathering cover, light beams emitted by the LED lamp beads can be effectively gathered, so that the illumination intensity and quality of the film which can move are improved, the projected picture impression effect is better, the waste of a light source is avoided, the power of the LED lamp beads can be reduced, and the heat productivity is also reduced from the other side.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an LED light source assembly with high heat dissipation function of the present invention;

fig. 2 is an internal schematic view of an LED light source assembly structure with high heat dissipation function shown in fig. 1.

In the figure, 1-a shell, 2-a lamp bead plate, 3-a heat pipe radiator, 4-a fan, 5-a power supply, 6-a light-gathering cover and 7-an LED driving circuit.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "back", etc. indicate the orientation or position relationship of the structure of the present invention based on the drawings, and are only for the convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.

In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in relation to the present scheme in specific terms according to the general idea of the present invention.

Example one

The utility model discloses at first provide a LED light source integrated configuration with high-efficient heat dissipation function, as shown in fig. 1 and fig. 2, it includes shell 1, lamp pearl board 2, a plurality of LED lamp pearl, heat pipe radiator 3, fan 4, power 5, LED drive circuit 7 and snoot 6.

Wherein the case 1 is made of a metal sheet, such as an aluminum plate or an iron plate, while the surface of the case 1 is provided with a paint film by means of bake plating to prevent rust. In the present embodiment, the casing 1 is configured in a rectangular box shape having a closed casing structure.

Firstly, the lamp bead plate 2 is made of heat conducting material, such as copper, and the lamp bead plate 2 is fixedly arranged in the shell 1; specifically, in this embodiment, one of the side surfaces (the left side surface as shown in fig. 2) of the housing 1 is provided with a mounting hole, the lamp bead plate 2 is fixed on the side surface by a screw, and the lamp bead plate 2 covers the mounting hole so as to communicate the lamp bead plate 2 with the inside of the housing 1.

Secondly, a plurality of LED lamp beads are all installed on the front face (the left side face as shown in fig. 2) of the lamp bead plate 2, specifically, a plurality of embedding holes are arranged on the lamp bead plate 2, and the LED lamp beads are embedded on the lamp bead plate 2 through the embedding holes. In the embodiment, a plurality of LED lamp beads are uniformly distributed in a regular polygon area on the lamp bead plate 2; in the embodiment, the plurality of LED lamp beads are distributed in the form of a plurality of groups of lamp bead groups, each group of lamp bead group occupies a sub-region on the regular polygonal region, that is, the plurality of LED lamp beads are distributed on the lamp bead plate 2 in the form of a plurality of groups of lamp bead arrays; for example, the sub-region may be a region of a triangle formed by a center point of the regular polygon region and two end points of either side of the regular polygon.

Even in another embodiment, can also be detachable with each above-mentioned triangle-shaped regional setting that constitutes regular polygon, two adjacent triangle-shaped regions are through draw-in groove dop structure or tenon fourth of the twelve earthly branches structural connection, so conveniently change and maintain damaged LED lamp pearl.

In this embodiment, the heat pipe radiator 3 is fixedly installed inside the housing 1. Specifically, the heat pipe radiator 3 includes a heat dissipation tube and a plurality of heat dissipation fins (not shown in the figure), wherein the heat dissipation tube is fixedly attached to the back of the lamp bead plate 2 to conduct heat, and the heat dissipation fins are sleeved on the heat dissipation tube and are densely arranged in a manner of having a certain interval therebetween, and the heat dissipation fins conduct heat on the heat dissipation tube outwards in a manner of enlarging the heat dissipation area.

In this embodiment, a fan mounting hole is formed in the top of the housing 1, the fan 4 is mounted in the fan mounting hole, the fan 4 is fixed to the housing 1 by a screw, and an airflow blown by the fan of the fan 4 is directly opposite to the heat pipe radiator 3, and precisely, the airflow is directly opposite to the heat dissipation fins. Correspondingly, a plurality of vent holes are arranged on the side wall of the casing 1 for guiding the air flow blown by the fan 4 out of the casing 1.

In this embodiment, the power supply 5 is installed on the housing 1, the power supply 5 is electrically connected to the LED driving circuit 7 and the fan 4, and the plurality of LED lamp beads are electrically connected to the LED driving circuit 7. In the present embodiment in particular, the power supply 5 includes a power supply case, and a power transformer and a rectifying and stabilizing device mounted in the power supply case. Wherein, the power supply box is made of aluminum section bar, and the power supply box is fixed on the other side surface (the right side surface shown in fig. 2) of the shell 1 through screws, wherein, the power transformer is used for transforming voltage so as to make the voltage meet the working requirement of the electric element, and the rectifying and stabilizing device is usually a rectifier which is used for keeping the input current stable. And the LED drive circuit 7 is used for converting alternating voltage into a constant current power supply and completing the matching with the voltage and the current of the LED according to the requirements of the LED device.

In this embodiment, 6 fixed mounting of snoot on shell 1, and lamp pearl board 2 is located snoot 6, and the inner wall of snoot 6 is the mirror surface, and snoot 6 is made by the stainless steel sheet that thickness is between 0.1-0.2mm, and it utilizes a plurality of reflectors of snoot 6 to gather in the face of the light beam to reduce the loss of light source, promotion that can be better is to the illumination intensity and the illumination quality of film, and it is better to make the projection picture feel the effect.

In the embodiment, the radiating pipe, the radiating fins and the lamp bead plate 2 are all made of copper materials; in order to improve the heat exchange efficiency and the effect between the lamp bead plate 2 and the radiating tube, radiating paste is laid between the radiating tube and the lamp bead plate 2. This thermal grease can guarantee that there is not virtual contact between cooling tube and the lamp pearl board 2 to guaranteed the contact surface between the two, and then improved heat-conduction effect.

In this embodiment, set up foretell lamp pearl board 2, power 5 and snoot 6 and all install on shell 1 through bolt or elasticity buckle structure detachable.

Example two

The utility model also provides a projection lamp, it includes foretell LED light source integrated configuration who has high-efficient heat dissipation function. Of course, a typical projection lamp also includes a light box, a film roll mechanism mounted on the light box, and various types of optical lenses.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a LED light source integrated configuration with high-efficient heat dissipation function which characterized in that: the LED lamp comprises a shell, a lamp bead plate, a plurality of LED lamp beads, a heat pipe radiator, a fan, a power supply, an LED drive circuit and a light-gathering cover; the lamp bead plate is made of heat conducting materials and is fixedly installed on the shell, and the LED lamp beads are installed on the front face of the lamp bead plate; the heat pipe radiator is fixedly arranged on the back of the lamp bead plate, the fan is fixedly arranged on the shell, and air flow blown by the fan is opposite to the heat pipe radiator; the power supply and the LED driving circuit are both arranged on the shell, the power supply is electrically connected with the LED driving circuit and the fan, and the LED lamp bead is electrically connected with the LED driving circuit; the snoot fixed mounting be in on the shell, just lamp pearl board is located in the snoot, the inner wall of snoot is the mirror surface.

2. The LED light source combination structure with high heat dissipation function of claim 1, wherein: the LED lamp beads are uniformly distributed in the regular polygon area on the lamp bead plate.

3. The LED light source combination structure with high heat dissipation function of claim 2, wherein: the LED lamp beads are distributed on the lamp bead plate in the form of a plurality of groups of lamp bead arrays.

4. The LED light source combination structure with high heat dissipation function of claim 1, wherein: the heat pipe radiator comprises a radiating pipe fixed on the back surface of the lamp bead plate and a plurality of radiating fins sleeved on the radiating pipe.

5. The LED light source combination structure with high heat dissipation function of claim 1, wherein: the power supply comprises a power transformer and a rectification stabilizing device.

6. The LED light source combination structure with high heat dissipation function of claim 1, wherein: the snoot is made of mirror surface stainless steel.

7. The LED light source combination structure with high heat dissipation function of claim 4, wherein: the radiating tube, the radiating fins and the lamp bead plate are all made of copper materials.

8. The LED light source combination structure with high heat dissipation function of claim 1, wherein: the shell is made by the metal panel beating, the surface of shell is provided with the paint film, the lamp pearl board the power with the snoot is all installed through bolt or elasticity buckle structure detachable on the shell.

9. The LED light source combination structure with high heat dissipation function of claim 4, wherein: and a radiating paste is arranged between the radiating tube and the lamp bead plate.

10. A projection lamp, characterized by: comprising the LED light source combination structure with high-efficiency heat dissipation function as recited in any one of claims 1-9.