CN220186772U - Light projector - Google Patents

Abstract

The utility model relates to a projection lamp, which comprises a bracket and a lamp body arranged on the bracket, wherein the lamp body comprises a lamp holder, a light source structure arranged on the lamp holder and a lamp shade, the lamp shade is buckled on the lamp holder, a sealing part is arranged between the lamp shade and the lamp holder, the light source structure comprises a light source plate and a collecting lens arranged on the light source plate, the collecting lens and the light source plate are connected through a first sealing colloid in an adhesive manner, a containing cavity is arranged on the lamp holder, the light source plate is arranged in the containing cavity, a second sealing colloid is filled in the containing cavity, the lamp shade comprises a cover plate body and a light transmitting part arranged on the cover plate body, the cover plate body is connected with the light transmitting part in an adhesive manner, and a sealing coating is coated on a connecting part between the cover plate body and the light transmitting part. According to the projection lamp, the four layers of seals are arranged between the condensing lens and the light source plate, the condensing lens and the accommodating cavity, the lampshade and the lamp holder and between the cover body and the light-transmitting part, so that external water vapor is effectively prevented from contacting the light source plate, and normal use of the projection lamp is further ensured.

Description

Light projector

Technical Field

The utility model relates to the technical field of projection lamps, in particular to a projection lamp.

Background

A projector is a lamp that specifies that the illuminance on the illuminated surface is higher than the surrounding environment. Also known as spotlights. In general, it can be aimed in any direction and has a structure that is not affected by climatic conditions. The method is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like. Therefore, almost all large area lighting fixtures used outdoors can be considered as floodlights.

The conventional lamp body mainly comprises a metal lamp housing, a light source plate and a light-transmitting panel which are fixed in the metal lamp housing, and the waterproof performance of the conventional lamp body is limited although the conventional lamp body can meet the use requirements of general situations. Especially, the projection lamp is generally applied to the outdoor environment, in overcast and rainy days, or other conditions of high air humidity, moist water vapor easily enters the lamp body, so that the light source plate is wetted, normal use of the light source plate is affected, and the light source plate has extremely high potential safety hazard.

Disclosure of Invention

In view of this, the present utility model aims to propose a projector to have better sealing waterproof performance.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the light projector comprises a bracket and a lamp body arranged on the bracket, wherein the lamp body comprises a lamp holder, a light source structure arranged on the lamp holder and a lampshade;

the lamp shade is buckled on the lamp holder, and a sealing part is arranged between the lamp shade and the lamp holder so as to seal a gap between the lamp shade and the lamp holder;

the light source structure comprises a light source plate and a condensing lens arranged on the light source plate, the condensing lens is connected with the light source plate through first sealing colloid glue, a containing cavity is arranged on the lamp holder, the light source plate is arranged in the containing cavity, and second sealing colloid is filled in the containing cavity to seal the connecting part of the light source plate and the condensing lens;

the lampshade comprises a cover plate body and a light-transmitting part on the cover plate body, wherein the cover plate body is connected with the light-transmitting part in an adhesive mode, and a sealing coating is coated on the connecting part between the cover plate body and the light-transmitting part.

Further, the condenser comprises a shell and a cone mirror arranged in the shell;

the shell body and the cone mirror are connected through the clamping connection of the clamping connection part, and the shell body and the cone mirror are provided with avoiding holes for avoiding the light source on the light source plate.

Further, the aperture of the avoidance hole is gradually increased along the direction towards the light source.

Further, the clamping portion comprises a clamping protrusion arranged on the shell and a clamping groove arranged on the cone mirror, and the clamping protrusion is matched with the clamping groove to install the cone mirror in the shell.

Further, a limiting groove is formed in the shell, a limiting protrusion is arranged on the cone mirror corresponding to the limiting groove, and the limiting protrusion is abutted to the limiting groove so as to limit the position of the cone mirror on the shell.

Further, the sealing part comprises a sealing ring;

and an accommodating groove for accommodating the sealing ring is formed between the side wall of the accommodating cavity and the lamp holder.

Further, the height dimension of the side wall of the accommodating cavity is larger than the height dimension of the lamp holder.

Further, the lamp holder is provided with a plurality of heat dissipation ribs, and the heat dissipation ribs are spaced at the bottom of the accommodating cavity.

Further, a positioning column is arranged in the accommodating cavity, a positioning groove is formed in the light source plate corresponding to the positioning column, and the positioning column is matched with the positioning groove to position the light source plate in the accommodating cavity.

Further, the bracket is rotatably connected with the lamp holder;

the connection part of the bracket and the lamp holder is provided with a through hole, the lamp holder is provided with a threaded hole corresponding to the through hole, and an external fastener passes through the through hole and is connected with the threaded hole in a threaded manner so as to set the lamp body on the bracket.

Compared with the prior art, the utility model has the following advantages:

according to the spot light, the condensing lens is fixed on the light source plate, and the first sealing colloid is adopted for sealing and fixing, so that sealing and waterproofing can be facilitated on the light source plate, meanwhile, the second sealing colloid is filled between the accommodating cavity and the spot light, secondary fixing of the position of the spot light is facilitated, and meanwhile, sealing and waterproofing effects on the light source plate can be enhanced; and set up sealing portion and set up sealedly between lamp shade and lamp stand between lamp shade body and printing opacity portion, can be further avoid outside steam to get into in the projecting lamp to improve the sealed water-proof effects to the light source board, in order to guarantee the normal use of light source board.

In addition, the condensing lens comprises a shell and a conical surface lens, the shell is connected with the conical surface lens in a clamping way, and the clamping part is arranged to be a clamping protrusion and a clamping groove. And the shell is provided with a limit groove for limiting the downward movement of the cone mirror, so that the assembly stability between the shell and the cone mirror can be ensured. The sealing part is arranged as a sealing ring and used for sealing between the lampshade and the lamp holder, and the sealing part is simple in structure and convenient to set. And the lamp holder is provided with the containing groove, so that the arrangement of the sealing ring is facilitated, and the occupation of space is reduced.

In addition, set up the reference column in holding the intracavity, can do benefit to the position accuracy that improves the light source board and hold the intracavity. And set up external fastener and pass the through-hole on the support and be connected with the screw hole on the lamp stand to fix the support on the lamp stand, realize fixing between the two, its simple structure is convenient for arrange, and is convenient for adjust the angle between support and the lamp stand two, improves holistic commonality of projecting lamp.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a projector according to the present utility model;

FIG. 2 is an assembled view of a lamp socket and light source structure according to the present utility model;

FIG. 3 is a schematic view of a light source structure according to the present utility model;

FIG. 4 is a schematic view of the structure of the condensing lens according to the present utility model;

FIG. 5 is a schematic view of a housing according to the present utility model;

FIG. 6 is a schematic view of a cone mirror according to the present utility model;

fig. 7 is a schematic structural diagram of a projector according to another embodiment of the utility model.

Reference numerals illustrate:

1. a lamp holder; 11. a receiving chamber; 111. positioning columns;

2. a light source structure; 21. a light source board; 211. a positioning groove; 22. a condenser; 221. a housing; 2211. the clamping bulge; 2212. a limit groove; 222. a cone mirror; 2221. a clamping groove; 2222. a limit protrusion; 23. avoidance holes;

3. a lamp shade; 31. a cover plate body; 32. a light transmitting portion;

4. a seal ring; 5. a heat dissipation rib;

6. a bracket; 61. a fastener.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The present utility model will be described in detail below with reference to fig. 1 to 7 in conjunction with examples.

The present embodiment relates to a projector, which, in its entire configuration, as shown in fig. 1, includes a bracket 6 and a lamp body provided on the bracket 6. The lamp body comprises a lamp holder 1, a light source structure 2 arranged on the lamp holder 1 and a lamp shade 3, wherein the lamp shade 3 is buckled on the lamp holder 1, and a sealing part is arranged between the lamp shade 3 and the lamp holder 1 to seal a gap between the lamp shade 3 and the lamp holder 1.

In addition, the light source structure 2 comprises a light source plate 21 and a collecting lens 22 arranged on the light source plate 21, the collecting lens 22 and the light source plate 21 are connected through a first sealing colloid in an adhesive mode, the lamp holder 1 is provided with a containing cavity 11, the light source plate 21 is arranged in the containing cavity 11, and the containing cavity 11 is filled with a second sealing colloid to seal a connecting part between the light source plate 21 and the collecting lens 22.

Meanwhile, the lamp housing 3 includes a cover plate body 31 and a light transmitting portion 32 on the cover plate body 31, the cover plate body 31 and the light transmitting portion 32 are adhesively connected, and a connection portion between the cover plate body 31 and the light transmitting portion 32 is coated with a sealing coating.

The projecting lamp of this embodiment is through fixing condensing lens 22 on light source board 21 to adopt first sealed colloid to seal fixedly, can do benefit to sealed waterproof on light source board 21, fill the sealed colloid of second simultaneously between holding chamber 11 and spotlight, do benefit to the position of spotlight and carry out the secondary to be fixed, can do benefit to simultaneously to the sealed waterproof effect of strengthening light source board 21.

And set up sealing portion and set up sealedly between lamp shade 3 and lamp stand 1 between lamp shade 3 body and printing opacity portion 32, can further avoid outside steam to get into in the projecting lamp to improve the sealed water-proof effects to light source board 21, in order to guarantee the normal use of light source board 21.

Based on the overall description of the above-described structure, an exemplary structure of a projector of this embodiment is shown in fig. 1 and 2, the projector being rectangular in shape as a whole, and a housing chamber 11 for housing a rectangular light source plate 21 therein being provided on the projector. The light source plate 21 may be fastened by screwing or adhesive connection, which is not limited herein.

Wherein the mounting accuracy of the light source plate 21 is improved. Preferably, a positioning column 111 is respectively arranged at two opposite sides of the accommodating cavity 11, and a positioning groove 211 is formed on the light source plate 21, so that when the light source plate 21 is installed, the positioning groove 211 is controlled to slide along the positioning column 111 and gradually approach and contact with the bottom of the accommodating cavity 11, thereby facilitating connection between the two.

Meanwhile, referring to fig. 3, a plurality of light sources are arranged at intervals on the light source plate 21, and one condensing lens 22 is provided for each light source. And as a preferred embodiment, the collecting mirror 22 is adhesively connected to the light source plate 21 corresponding to the position of the light source, so as to fix the collecting mirror 22 to the light source plate 21.

The structure of the condensing lens 22 can be specifically illustrated in fig. 4 to 6, wherein the condensing lens 22 includes a housing 221 and a cone lens 222 disposed in the housing 221. The housing 221 has a frame structure, the top of the housing 221 is opened, and one end of the cone lens 222 with smaller diameter is inserted into the housing 221 for refracting light.

Referring to the illustration in fig. 5 and 6, the middle parts of the shell 221 and the cone mirror 222 are respectively provided with an avoidance hole 23 for avoiding the light source on the light source plate 21, so that the condenser 22 can better attach to the light source plate 21, the installation and sealing between the two are convenient, and meanwhile, the divergence of light can be avoided, and the condensing effect is improved. In order to further enhance the condensing effect of the condenser lens 22, the aperture of the avoiding hole 23 is preferably provided to be gradually larger in the direction toward the light source.

Furthermore, as a preferred embodiment, the housing 221 and the cone mirror 222 are snap-coupled by a snap-fit portion, and as a particularly preferred embodiment, as shown in FIGS. 5 and 6, the snap-fit portion includes a snap-fit protrusion 2211 provided on the housing 221, and a snap-fit groove 2221 provided on the cone mirror 222, the snap-fit protrusion 2211 and the snap-fit groove 2221 cooperating to mount the cone mirror 222 within the housing 221.

In this embodiment, two engaging protrusions 2211 are disposed on opposite sides of the inner wall of the housing 221, two engaging grooves 2221 are disposed on the top of the corresponding cone lens 222, and when the cone lens 222 is mounted in the housing 221, the top surfaces of the engaging grooves 2221 can abut against the bottom of the engaging protrusions 2211, so as to limit the cone lens 222 from being pulled out from the housing 221, thereby completing the mounting therebetween.

To further define the relative positions of the cone lens 222 and the housing 221. As a preferred embodiment, the housing 221 is provided with a limiting groove 2212, and the cone lens 222 is provided with a limiting projection 2222 corresponding to the limiting groove 2212, wherein the limiting projection 2222 is abutted in the limiting groove 2212 to limit the position of the cone lens 222 on the housing 221.

Referring still to FIGS. 5 and 6, four limit grooves 2212 are circumferentially provided on the top of the housing 221, and four limit protrusions 2222 are provided on the cone lens 222. When the cone lens 222 is mounted on the housing 221 by the aforementioned limit protrusions 2222 and limit grooves 2212, the bottoms of the limit protrusions 2222 can abut in the limit grooves 2212 to prevent the cone lens 222 from moving down the housing 221, thereby improving the stability of the assembly between the cone lens 222 and the housing 221.

In order to further improve the sealing effect, in this embodiment, the second sealing gel is filled in the accommodating cavity 11, and the second sealing gel can seal the peripheral side of the condenser lens 22 again, and at the same time, the fixing effect of the condenser lens 22 can be further enhanced. The process of filling the second sealing colloid adopts a half-filling process, and the second sealing colloid is filled to a half position of the accommodating cavity 11, so that the sealing of the connecting part of the condenser 22 and the light source plate 21 is ensured. It should be noted that, the first sealing glue and the second sealing glue are sealing waterproof glue commonly used in the prior art, and are not limited herein.

In addition, in order to reduce external moisture from entering the accommodating cavity 11, preferably, an accommodating groove is formed between the sidewall of the accommodating cavity 11 and the lamp socket 1, and meanwhile, the sealing part is provided as a rubber sealing ring 4, and the accommodating groove is used for accommodating the sealing ring 4, so that when the lampshade 3 is covered on the lamp socket 1, the sealing ring 4 can be used for sealing a gap between the two, thereby reducing moisture from entering the accommodating cavity 11.

And preferably the height dimension of the side wall of the receiving chamber 11 is greater than the height dimension of the lamp socket 1. Thus, when the lampshade 3 is buckled on the lamp holder 1, the side wall of the accommodating cavity 11 can be used for guiding and positioning the lampshade 3. Meanwhile, in the assembled state, when external moisture enters the accommodating chamber 11 through the gap, the moisture must flow upward along the sidewall of the accommodating chamber 11, thereby achieving the effect of extending the moisture flow path. Wherein, the lamp shade 3 and the lamp holder 1 can be connected and fixed by adopting structural members such as bolts.

In addition, the cover plate body 31 and the light-transmitting portion 32 on the lamp cover 3 also have certain gaps in the assembled state, and for this reason, the connecting part between the cover plate body 31 and the light-transmitting portion 32 is coated with a sealing coating, which also has a certain sealing effect, and prevents the entry of external water vapor. The transparent portion 32 is preferably a transparent glass structure, so as to facilitate light transmission.

The projecting lamp of this embodiment sets up four layers sealedly through condensing lens 22 and light source board 21, condensing lens 22 and hold chamber 11, lamp shade 3 and lamp stand 1 to and cover plate body 31 and printing opacity portion 32 between, in order to effectively avoid outside steam and light source board 21 contact, and then guarantee the normal use of projecting lamp.

In addition, since the light source plate 21 generates heat when being electrified, in order to ensure heat dissipation of the light source plate 21, as a preferred embodiment, a plurality of heat dissipation ribs 5 are arranged on the lamp base 1, and the plurality of heat dissipation ribs 5 are arranged at intervals at the bottom of the accommodating cavity 11. And the lamp holder 1 adopts aluminum profiles, so that the heat transfer effect is good.

In order to facilitate adjustment of the projection angle of the projection lamp, as a preferred embodiment, a rotatable connection between the holder 6 and the lamp base 1 is provided. Specifically, referring to fig. 7, the portion of the bracket 6 connected to the lamp socket 1 is provided with a through hole, and the lamp socket 1 is provided with a screw hole corresponding to the through hole, and an external fastener 61 is screw-connected to the screw hole through the through hole to set the lamp body on the bracket 6. When the projection angle needs to be adjusted, the fasteners 61 such as the adjusting screws can enable the support legs of the support 6 and the lamp holder 1 to rotate relatively, so that the projection angle of the projection lamp can be adjusted conveniently, and the universality of the projection lamp is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a projecting lamp, includes support (6) and locates the lamp body on support (6), its characterized in that:

the lamp body comprises a lamp holder (1), a light source structure (2) arranged on the lamp holder (1), and a lampshade (3);

the lamp shade (3) is buckled on the lamp holder (1), and a sealing part is arranged between the lamp shade (3) and the lamp holder (1) so as to seal a gap between the lamp shade (3) and the lamp holder (1);

the light source structure (2) comprises a light source plate (21) and a condensing lens (22) arranged on the light source plate (21), the condensing lens (22) is connected with the light source plate (21) through a first sealing colloid in an adhesive mode, a containing cavity (11) is formed in the lamp holder (1), the light source plate (21) is arranged in the containing cavity (11), and a second sealing colloid is filled in the containing cavity (11) to seal the connecting part of the light source plate (21) and the condensing lens (22);

the lampshade (3) comprises a cover plate body (31) and a light-transmitting part (32) on the cover plate body (31), wherein the cover plate body (31) and the light-transmitting part (32) are connected in an adhesive mode, and a sealing coating is coated on a connecting part between the cover plate body (31) and the light-transmitting part (32).

2. A light projector as claimed in claim 1, characterized in that:

the condenser (22) comprises a shell (221) and a cone mirror (222) arranged in the shell (221);

the shell (221) and the cone mirror (222) are connected through clamping parts in a clamping mode, and avoidance holes (23) for avoiding light sources on the light source plate (21) are formed in the shell (221) and the cone mirror (222).

3. A light projector as claimed in claim 2, characterized in that:

the aperture of the avoidance hole (23) is gradually increased along the direction towards the light source.

4. A light projector as claimed in claim 2, characterized in that:

the clamping part comprises a clamping protrusion (2211) arranged on the shell (221) and a clamping groove (2221) arranged on the cone mirror (222), wherein the clamping protrusion (2211) is matched with the clamping groove (2221) to install the cone mirror (222) in the shell (221).

5. A light projector as claimed in claim 2, characterized in that:

the cone mirror comprises a shell (221), wherein a limiting groove (2212) is formed in the shell (221), a limiting protrusion (2222) is arranged on the cone mirror (222) corresponding to the limiting groove (2212), and the limiting protrusion (2222) is abutted in the limiting groove (2212) so as to limit the position of the cone mirror (222) on the shell (221).

6. A light projector as claimed in claim 1, characterized in that:

the sealing part comprises a sealing ring (4);

and a containing groove for containing the sealing ring (4) is formed between the side wall of the containing cavity (11) and the lamp holder (1).

7. A light projector as claimed in claim 1, characterized in that:

the height dimension of the side wall of the accommodating cavity (11) is larger than the height dimension of the lamp holder (1).

8. A light projector as claimed in claim 1, characterized in that:

the lamp holder (1) is provided with a plurality of radiating ribs (5), and the radiating ribs (5) are distributed at intervals at the bottom of the accommodating cavity (11).

9. A light projector as claimed in claim 1, characterized in that:

the light source plate is characterized in that a positioning column (111) is arranged in the accommodating cavity (11), a positioning groove (211) is formed in the light source plate (21) corresponding to the positioning column (111), and the positioning column (111) is matched with the positioning groove (211) to position the light source plate (21) in the accommodating cavity (11).

10. A light projector as claimed in any one of claims 1 to 9, wherein:

the bracket (6) is rotatably connected with the lamp holder (1);

the lamp holder is characterized in that a through hole is formed in the connection position of the support (6) and the lamp holder (1), a threaded hole is formed in the lamp holder (1) corresponding to the through hole, and an external fastener (61) penetrates through the through hole and is connected with the threaded hole in a threaded mode, so that the lamp body is arranged on the support (6).