CN211716335U

CN211716335U - Light projector

Info

Publication number: CN211716335U
Application number: CN202020082442.6U
Authority: CN
Inventors: 刘甫伟; 雷建平; 邓昭顺; 孔令波
Original assignee: ZHUHAI CIMA ELECTRIC CO Ltd
Current assignee: ZHUHAI CIMA ELECTRIC CO Ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-20
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a projecting lamp, projecting lamp include lamp body, LED light source and lamp shade. The lamp body is integrally formed by metal, a front chamber is arranged on the front end face of the lamp body and provided with an opening, and heat dissipation fins are arranged on the outer surface of the lamp body; the LED light source is arranged in the front chamber, and light emitted by the LED light source can be emitted out of the lamp body from the opening; the lampshade covers the opening. The light emitted by the LED light source can penetrate through the lampshade, and the lampshade plays a role in protecting the LED light source. The lamp body and the radiating fins made of metal have good heat conductivity, the LED light source and the lamp body are connected together, heat generated by the LED light source can be directly transmitted to the lamp body and the radiating fins, the contact area of the lamp body and the radiating fins with air is large, dissipation of the heat of the LED light source is accelerated, accordingly, influence of the heat on the service life of the LED light source is avoided, and the LED light source has the advantages of being high in brightness and energy-saving.

Description

Light projector

Technical Field

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

Background

With the progress of science and technology and the demand of people's life, lamps are fully developed, and projection lamps are also called spot lamps, can almost aim at any direction for irradiation, have a structure which is not influenced by climatic conditions, and are mainly used for large-area operation sites, mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like. Thus, almost all large area lighting fixtures used outdoors can be considered as floodlights. The single power of the project lamp at the present stage is not large enough, a plurality of project lamps are required to be used together in a large-scale occasion, the LED project lamp with strong illumination intensity appears subsequently, but the LED can generate a large amount of heat, and the service life and the use of the LED project lamp are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a projecting lamp has better heat-sinking capability for its life-span is longer, and it is more convenient to use.

According to the utility model discloses projecting lamp, projecting lamp include lamp body, LED light source and lamp shade. The lamp body is integrally formed by metal, a front chamber is arranged on the front end face of the lamp body and provided with an opening, and heat dissipation fins are arranged on the outer surface of the lamp body; the LED light source is arranged in the front chamber, and light emitted by the LED light source can be emitted out of the lamp body from the opening; the lampshade covers the opening.

According to the utility model discloses projecting lamp has following beneficial effect at least: the light emitted by the LED light source can penetrate through the lampshade, and the lampshade plays a role in protecting the LED light source. The lamp body and the radiating fins made of metal have good heat conductivity, the LED light source and the lamp body are connected together, heat generated by the LED light source can be directly transmitted to the lamp body and the radiating fins, the contact area of the lamp body and the radiating fins with air is large, dissipation of the heat of the LED light source is accelerated, accordingly, influence of the heat on the service life of the LED light source is avoided, and the LED light source has the advantages of being high in brightness and energy-saving.

According to the utility model discloses a some embodiments still include the support, the support with the rear end of lamp body passes through the fastener and connects, the lamp body can along the upper and lower direction swing on the support.

According to the utility model discloses a some embodiments, the support is the U type, the lamp body with two inside walls of support are connected, the bottom of support is equipped with the connecting hole, the bottom of support is equipped with in the region that is close to the connecting hole and is curved slotted hole.

According to some embodiments of the utility model, still include switching power supply, switching power supply pass through the wire with LED light source electric connection.

According to some embodiments of the utility model, the rear end face of lamp body is equipped with the rear chamber, switching power supply locates in the rear chamber, the antechamber with be equipped with the confession between the rear chamber the wire guide that the wire passed.

According to some embodiments of the utility model, the rear end face of lamp body is equipped with sealedly the rear end cap of rear chamber.

According to the utility model discloses a few embodiments, the LED light source includes aluminium base board and a plurality of locating LED lamp pearl on the aluminium base board, LED lamp pearl with switching power supply electric connection.

According to some embodiments of the utility model, the place ahead of LED lamp pearl is equipped with the backup pad, be equipped with lens in the backup pad just lens cover is in on the LED lamp pearl.

According to some embodiments of the utility model, the preceding terminal surface of antechamber is equipped with and is annular front end housing, the lamp shade is clear glass, the front end housing will the lamp shade is fixed on the opening.

According to some embodiments of the utility model, the preceding terminal surface of lamp body with be equipped with the sealing washer between the lamp shade.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a first schematic view of a projector according to an embodiment of the present invention;

fig. 2 is a second schematic diagram of the projector according to the embodiment of the present invention;

FIG. 3 is a cross-sectional schematic view of the light projector shown in FIG. 1;

fig. 4 is a schematic view of a lamp body of the floodlight shown in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, a floodlight includes a lamp body 100, an LED light source 200, and a lamp cover 300.

The lamp body 100 is integrally formed by metal, a front chamber 110 is arranged on the front end surface of the lamp body 100, the front chamber 110 is provided with an opening, and the outer surface of the lamp body 100 is provided with a heat dissipation fin 120; the LED light source 200 is disposed in the front chamber 110, and light emitted from the LED light source 200 can be emitted out of the lamp body 100 through the opening; the lamp cover 300 covers the opening. The light emitted from the LED light source 200 can penetrate the globe 300, and the globe 300 plays a role of protecting the LED light source 200. The lamp body 100 and the heat dissipating fins 120 made of metal have good thermal conductivity, the LED light source 200 and the lamp body 100 are connected together, heat generated by the LED light source 200 can be directly transferred to the lamp body 100 and the heat dissipating fins 120, the contact area between the lamp body 100 and the heat dissipating fins 120 and air is large, and dissipation of the heat of the LED light source 200 is accelerated, so that influence of the heat on the service life of the LED light source 200 is avoided, and the LED light source 200 has the advantages of high brightness and energy saving.

The utility model discloses an in some embodiments, projecting lamp still includes support 400, and the rear end of support 400 and lamp body 100 passes through fastener 500 to be connected, and lamp body 100 can be followed the up-and-down direction swing on support 400. The lamp body 100 can rotate around the central axis of the fastening member 500, when the pitch angle of the lamp body 100 needs to be adjusted, the swing amount of the lamp body 100 in the vertical direction can be manually adjusted by loosening the fastening member 500, the bracket 400 and the lamp body 100 can be relatively fixed by tightening the fastening member 500 after the adjustment is finished, and the method for adjusting the pitch angle of the lamp body 100 is simple and convenient to operate. In some embodiments of the present invention, the fastening member 500 is a bolt or a screw, the sidewall of the lamp body 100 is provided with a threaded hole, the sidewall of the bracket 400 is provided with a through hole, and the threaded section of the fastening member 500 passes through the through hole and is connected to the lamp body 100 provided with the threaded hole.

In some embodiments of the present invention, the bracket 400 is U-shaped, and the lamp body 100 is connected to two inner sidewalls of the bracket 400, that is, the fasteners 500 are provided with two total, and the two fasteners 500 are respectively connected to two sidewalls of the bracket 400, so that the stress of the lamp body 100 is more balanced. The bottom of the bracket 400 is provided with a connecting hole 410, and the bottom of the bracket 400 is provided with an arc-shaped oblong hole 420 at a region close to the connecting hole 410. When the projection lamp is installed, the two bolts respectively penetrate through the connecting hole 410 and the long round hole 420 and enable the bolts to be pre-connected with the installation area, then the support 400 is rotated, and when the front end of the projection lamp corresponds to the area needing illumination, the projection lamp can be fixedly connected with the installation area by screwing the two bolts. When the illumination area of the projector needs to be adjusted again, the bracket 400 can be rotated by loosening the bolts. Of course, the bolt can be replaced by a screw, and the method for adjusting the irradiation direction of the light projector is simple and the installation structure is simple.

The utility model discloses an in some embodiments, the projecting lamp still includes switching power supply, and switching power supply passes through wire and LED light source 200 electric connection. The switching power supply is a common component on the market, and is used for adjusting the voltage and converting the alternating current into the direct current required by the LED light source 200. The switching power supply is electrically connected with a power line, a channel through which the power line passes is arranged on the side surface of the lamp body 100, and the power line is used for conveying commercial power to the switching power supply.

In some embodiments of the present invention, the rear end surface of the lamp body 100 is provided with the rear chamber 130, the switching power supply is disposed in the rear chamber 130, and a wire hole for a wire to pass through is disposed between the front chamber 110 and the rear chamber 130. The front chamber 110 and the rear chamber 130 are separated from each other, so that heat of the LED light source 200 is prevented from being directly transferred to the switching power supply, and the sealing property of the front chamber 110 can be maintained. The wire distributes in lamp body 100 for the structure of projecting lamp is compacter, looks neater.

In some embodiments of the present invention, the rear end surface of the lamp body 100 is provided with a rear end cover 600 for sealing the rear chamber 130. The switching power supply can be conveniently installed or replaced by detaching the rear end cover 600, and the rear end cover 600 can be connected with the lamp body 100 in a threaded manner or connected with the lamp body 100 through screws.

The utility model discloses an in some embodiments, LED light source 200 includes aluminium base board and a plurality of LED lamp pearls of locating on the aluminium base board, LED lamp pearl and switching power supply electric connection, and LED lamp pearl has higher luminance and energy-conserving advantage, and aluminium base board has good heat conductivity as the carrier and the aluminium base board that support LED lamp pearl, is favorable to the heat dissipation of LED lamp pearl. In this embodiment, LED lamp pearl is twelve, also can set up the number of LED lamp pearl according to actual demand certainly.

The utility model discloses an in some embodiments, the place ahead of LED lamp pearl is equipped with backup pad 700, is equipped with lens and lens cover in backup pad 700 on the LED lamp pearl. Lens have the effect of spotlight, and the light that lens sent LED lamp pearl gathers together and faces the opening direction for the light beam of projecting lamp is more concentrated, and the setting up of backup pad 700 and lens makes the projecting lamp have the function of anti-dazzle. The support plate 700 supports and fixes the lens while having a heat conductive function.

In some embodiments of the present invention, the front end surface of the front chamber 110 is provided with a front cover 800 in a ring shape, and the front cover 800 may be connected to the lamp body 100 by a screw or connected to the lamp body 100 by a screw. The lamp cover 300 is made of transparent glass, the front end cover 800 fixes the lamp cover 300 on the opening, and light emitted by the LED light source 200 can penetrate through the lamp cover 300.

In some embodiments of the present invention, a sealing ring 900 is disposed between the front end surface of the lamp body 100 and the lamp cover 300. The lamp cover 300 and the sealing ring 900 seal the front chamber 110 to prevent dust, rainwater, etc. from entering the front chamber 110, thereby protecting the support plate 700 and the LED light source 200. Referring further to fig. 4, the front end surface of the front chamber 110 is provided with a groove 140 in a region near the opening, and a seal ring 900 is provided in the groove, so that when the lamp housing 300 is fastened, the inner side surface of the lamp housing 300 abuts against the seal ring 900 and presses the seal ring 900.

It can be understood that the front end of the lamp body 100 is horn-shaped, the rear end of the lamp body 100 is column-shaped, the rear end of the lamp body 100 is provided with a connecting portion, and the bracket 400 is connected with the connecting portion. The heat dissipation fins 120 are annularly wound around the outer circumferential surface of the rear end of the lamp body 100. The lamp body 100 is made of aluminum material and can be manufactured by integral die casting.

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 above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A projector, comprising:

the LED lamp comprises a lamp body, a lamp body and a lamp body, wherein the lamp body is integrally formed by metal, a front chamber is arranged on the front end surface of the lamp body and provided with an opening, and heat dissipation fins are arranged on the outer surface of the lamp body;

the LED light source is arranged in the front chamber, and light emitted by the LED light source can be emitted out of the lamp body from the opening;

a lamp cover covering the opening.

2. The light projector according to claim 1, characterized in that: the lamp body can swing on the support along the up-and-down direction.

3. The light projector according to claim 2, characterized in that: the lamp body is connected with two inner side walls of the support, a connecting hole is formed in the bottom of the support, and an arc-shaped long round hole is formed in the area, close to the connecting hole, in the bottom of the support.

4. The light projector according to any one of claims 1 to 3, characterized in that: the LED lamp also comprises a switch power supply, wherein the switch power supply is electrically connected with the LED light source through a conducting wire.

5. The light projector according to claim 4, characterized in that: the rear end face of the lamp body is provided with a rear chamber, the switching power supply is arranged in the rear chamber, and a wire hole for the wire to pass through is formed between the front chamber and the rear chamber.

6. The light projector according to claim 5, characterized in that: and the rear end face of the lamp body is provided with a rear end cover for sealing the rear chamber.

7. The light projector according to claim 4, characterized in that: the LED light source comprises an aluminum substrate and a plurality of LED lamp beads arranged on the aluminum substrate, and the LED lamp beads are electrically connected with the switching power supply.

8. The light projector according to claim 7, characterized in that: the LED lamp is characterized in that a supporting plate is arranged in front of the LED lamp beads, and a lens is arranged on the supporting plate and sleeved on the LED lamp beads.

9. The light projector according to claim 1, characterized in that: the front end face of the front chamber is provided with an annular front end cover, the lampshade is made of transparent glass, and the front end cover fixes the lampshade on the opening.

10. The light projector according to claim 1 or 9, characterized in that: and a sealing ring is arranged between the front end surface of the lamp body and the lampshade.