CN219640174U

CN219640174U - Light projector

Info

Publication number: CN219640174U
Application number: CN202321201912.6U
Authority: CN
Inventors: 谈俊; 陈单; 曹巍
Original assignee: Shanghai Weili Advanced Electronic Technology Co ltd
Current assignee: Shanghai Weili Advanced Electronic Technology Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-09-05
Anticipated expiration: 2033-05-17

Abstract

The utility model provides a projection lamp, which comprises a radiator cold disc, wherein the surface of the radiator cold disc is provided with at least one through hole penetrating through the radiator cold disc; an electrical cavity fixedly connected with the radiator cold plate; at least one threading through hole column penetrating through the bottom of the electric cavity, wherein the end part of the threading through hole column extends into the through hole to form sealing connection with the through hole; when the subsequent light source cavity is electrically connected with the electric cavity, the electric wire can directly realize the electric connection of the light source cavity and the electric cavity through the threading through hole column, so that the risk that the electric wire is exposed outside is avoided, the electric wire does not need to be subjected to waterproof design, and the input cost of the electric wire is greatly reduced; meanwhile, the assembly process between the electric cavity and the light source cavity is simplified, maintainability is improved, use safety is improved, the service life of the projection lamp is prolonged, and the projection lamp has a wider application range.

Description

Light projector

Technical Field

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

Background

With the rapid development of economy, people living in improved conditions, for convenience in illumination, some illumination devices can be installed outdoors, so that outdoor illumination at night is facilitated. Such as: the projector is installed on an outdoor wall or floor tile.

A projector is a lamp, also called a spotlight, that is designed to illuminate a surface with higher illuminance than the surrounding environment. It can be aimed in any direction in general 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. Because the projecting lamp almost all uses outdoor, so in order to avoid the projecting lamp not receive the weather condition influence, especially rainy day leads to the projecting lamp impaired, need the overall arrangement of rational design electric wire, just can guarantee the life of projecting lamp.

However, the service life of the projector is still to be improved.

Disclosure of Invention

The utility model solves the problem of providing the projection lamp, wherein the connecting wire between the electric cavity and the light source cavity is arranged in the projection lamp, so that the wire is prevented from being exposed, the damage and aging probability of the wire is reduced, the assembly and installation process of the projection lamp is simplified, the installation requirement is reduced, the use safety is improved, the service life of the projection lamp is prolonged, and the projection lamp has a wider application range.

In order to solve the above problems, the present utility model provides a projector, which includes a radiator cold tray, wherein the surface of the radiator cold tray has at least one through hole penetrating through the radiator cold tray; an electrical cavity fixedly connected with the radiator cold plate; at least one threading through hole column penetrates through the bottom of the electric cavity, and the end part of the threading through hole column stretches into the through hole to form sealing connection with the through hole.

Optionally, the threaded through-hole post is for passing an electrical wire.

Optionally, the through holes are arranged corresponding to the threading through hole columns.

Optionally, when the through wire hole post is a plurality of, a plurality of through wire hole posts use the center pin of electric cavity as symmetry axis symmetry and distribute in the bottom of electric cavity.

Alternatively, the number of through holes ranges from 1 to 4.

Optionally, the number of the threading through hole posts ranges from 1 to 4.

Optionally, the radiator further comprises a groove column connected with the through hole, and the groove column protrudes out of the surface of the radiator cold disc.

Optionally, the shape of the surface of the groove column projected to the radiator cold plate is circular.

Optionally, the device further comprises a rubber plug in interference fit with the end part of the threading through hole column, and when the end part of the threading through hole column stretches into the through hole, the rubber plug is in sealing fit with the groove column.

Optionally, the radiator further comprises a plurality of mounting posts positioned on the outer wall of the electric cavity, and the plurality of mounting posts are fixedly connected with the radiator cold plate.

Optionally, the mounting posts extend along a direction parallel to a central axis of the electrical cavity and away from a bottom of the electrical cavity, and the plurality of mounting posts are uniformly distributed on an outer wall of the electrical cavity with the central axis of the electrical cavity as a symmetry axis.

Alternatively, the number of mounting posts can range from 1 to 4.

Optionally, the mounting column is detachably and fixedly connected with the radiator cold plate.

Optionally, the radiator further comprises a light source cavity fixed with the radiator cold plate, and the light source cavity and the electric cavity are respectively positioned at two sides of the radiator cold plate.

Optionally, the radiator further comprises a containing cavity between the radiator cold plate and the electric cavity, and a fan is arranged in the containing cavity.

Optionally, an electrical cavity cover is also included that covers over the cavity opening of the electrical cavity.

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

according to the technical scheme provided by the utility model, at least one through hole penetrating through the radiator cold disc is formed in the radiator cold disc, the electric cavity is fixedly connected with the radiator cold disc, at least one threading through hole column penetrating through the bottom of the electric cavity is formed at the bottom of the electric cavity, and the end part of the threading through hole column extends into the through hole to form sealing connection with the through hole; when the subsequent light source cavity is electrically connected with the electric cavity, the electric wire can directly realize the electric connection of the light source cavity and the electric cavity through the threading through hole column, so that the risk that the electric wire is exposed outside is avoided, the electric wire does not need to be subjected to waterproof design, and the input cost of the electric wire is greatly reduced; meanwhile, the assembly process between the electric cavity and the light source cavity is simplified, maintainability is improved, use safety is improved, the service life of the projection lamp is prolonged, and the projection lamp has a wider application range.

Further, still include with threading through-hole post tip interference fit's plug, when the tip of threading through-hole post stretches into in the through-hole, the plug seals the laminating with the recess post, no longer uses waterproof joint as the waterproof component of electric wire between electric cavity and the light source cavity like this, simplifies waterproof construction, realizes the convenience of installation.

Drawings

FIG. 1 is a schematic cross-sectional view of a projector according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of an explosion structure of a cold plate and an electric cavity of a heat sink according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of fig. 2.

FIG. 4 is a schematic perspective view of an electrical cavity according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a cold plate of a heat sink according to an embodiment of the utility model;

fig. 6 is a schematic structural diagram of a rubber plug according to an embodiment of the present utility model.

Detailed Description

As the background art, many problems still exist with current projection lamps. The following will explain in detail.

In the design of the outdoor floodlight, the floodlight is provided with two independent sealing cavities, namely an electric cavity and a light source cavity, wherein the electric cavity is electrically connected with the light source cavity, and generally, 2 waterproof joints made of metal are respectively arranged on the electric cavity and the light source cavity and used for sealing the end face of an electric wire connected with the two cavities, but the connecting mode enables part of the outer layer insulating skin of the electric wire to be exposed in an external space, so that the outer layer insulating skin of the electric wire is easily corroded by water, air, salt fog and other substances, and is easy to age and damage, therefore, in order to meet the safety requirements, the electric wire with a rubber insulating layer is generally adopted, and the wire protection hose made of metal is additionally added on part of occasions to carry out additional protection on the exposed electric wire, thereby leading to the problems of complex assembly and installation process, high installation requirements, high production cost and the like of the floodlight, being unfavorable for rapid production, and high maintenance and replacement cost in the later stage.

On the basis, the projector provided by the utility model has the advantages that the radiator cold disc is provided with at least one through hole penetrating through the radiator cold disc, the electric cavity is fixedly connected with the radiator cold disc, the bottom of the electric cavity is provided with at least one threading through hole column penetrating through the bottom of the electric cavity, and the end part of the threading through hole column extends into the through hole to form sealing connection with the through hole; when the subsequent light source cavity is electrically connected with the electric cavity, the electric wire can directly realize the electric connection of the light source cavity and the electric cavity through the threading through hole column, so that the risk that the electric wire is exposed outside is avoided, the electric wire does not need to be subjected to waterproof design, and the input cost of the electric wire is greatly reduced; meanwhile, the assembly process between the electric cavity and the light source cavity is simplified, maintainability is improved, use safety is improved, the service life of the projection lamp is prolonged, and the projection lamp has a wider application range.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

FIG. 1 is a schematic cross-sectional view of a projector according to an embodiment of the utility model; FIG. 2 is a schematic diagram of an explosion structure of a cold plate and an electric cavity of a heat sink according to an embodiment of the present utility model; fig. 3 is a cross-sectional view of fig. 2. FIG. 4 is a schematic perspective view of an electrical cavity according to an embodiment of the present utility model; FIG. 5 is a schematic diagram of a cold plate of a heat sink according to an embodiment of the utility model; fig. 6 is a schematic structural diagram of a rubber plug according to an embodiment of the present utility model.

First, referring to fig. 1 to 5, a projector includes a heat sink cold tray 5, an electrical cavity 2, and a light source cavity 6.

Wherein the surface of the radiator cold plate 5 is provided with at least one through hole 51 penetrating through the radiator cold plate 5; the electric cavity 2 is fixedly connected with a radiator cold disc 5; the bottom of the electric cavity 2 is provided with at least one threading through hole column 21 penetrating through the bottom of the electric cavity 2, and the end part of the threading through hole column 21 stretches into the through hole 51 to form sealing connection with the through hole 51.

In the present embodiment, the threading through hole post 21 is used for passing an electric wire.

In this embodiment, the light source cavity 6 is also fixed on the heat sink cold plate 5, and the light source cavity 6 and the electric cavity 2 are respectively located at two sides of the heat sink cold plate 5.

In this embodiment, the light source cavity 6 and the electric cavity 2 need to be electrically connected, and the electric wires used for electrical connection can pass through the threading through hole 51 to electrically connect the light source cavity 6 and the electric cavity 2, so that the electric wires can be prevented from being exposed to the outside, the electric wires can be well protected, and the aging and damage of the electric wires are avoided; meanwhile, the waterproof design is not needed to be carried out on the electric wire, the input cost of the electric wire is greatly reduced, the assembly process between the electric cavity 2 and the light source cavity 6 is simplified, the maintainability is improved, the use safety is improved, the service life of the projection lamp is prolonged, and the projection lamp has a wider application range.

In this embodiment, please refer to fig. 1, further comprising a housing (not shown) between the heat sink cold plate 5 and the electrical cavity 2, the housing having a fan 3 therein.

In the present embodiment, the fan 3 plays a role of heat dissipation.

In this embodiment, please continue to refer to fig. 1, further comprising an electrical cavity cover 1 covering the cavity opening of the electrical cavity 2.

In this embodiment, the electrical cavity cover 1 is detachably connected to the cavity mouth of the electrical cavity 2.

In the present embodiment, the number of the through holes 51 ranges from 1 to 4, and please refer to fig. 2 to 5 in combination, the number of the through holes 51 is 2.

In other embodiments, the number of through holes 51 may also be 4.

In the present embodiment, the number of the through holes 51 may be set according to actual requirements in the electrical connection process, and is not particularly limited.

In the present embodiment, the number of the through-hole threading posts 21 ranges from 1 to 4, and the number of the specific through-hole threading posts 21 is 2.

In other embodiments, the number of the threading through hole posts 21 may be 4.

In the present embodiment, the through holes 51 are provided corresponding to the threading through hole posts 21, that is, one through hole 51 corresponds to one threading through hole post 21.

When the number of the through-hole threading posts 21 is plural, the through-hole threading posts 21 are symmetrically distributed at the bottom of the electric cavity 2 with the central axis of the electric cavity 2 as a symmetry axis.

In this embodiment, the two through-hole posts 21 are symmetrically distributed at the bottom of the electrical cavity 2 with the central axis of the electrical cavity 2 as a symmetry axis.

In this embodiment, referring to fig. 2 to 4, the heat sink further includes a plurality of mounting posts 22 located on the outer wall of the electric cavity 2, and the plurality of mounting posts 22 are fixedly connected with the heat sink cold tray 5.

In the present embodiment, the mounting posts 22 extend along a direction parallel to the central axis of the electrical cavity 2 and away from the bottom of the electrical cavity 2, and the plurality of mounting posts 22 are uniformly distributed on the outer wall of the electrical cavity 2 with the central axis of the electrical cavity 2 as a symmetry axis.

Specifically, the number of mounting posts 22 ranges from 1 to 4.

In the present embodiment, the number of the mounting posts 22 is 4, and the four mounting posts 22 are uniformly distributed on the outer wall of the electrical cavity 2 with the central axis of the electrical cavity 2 as the symmetry axis.

The mounting post 22 is detachably and fixedly connected with the radiator cold plate 5, and in the embodiment, the mounting post 22 is in threaded connection with the radiator cold plate 5.

In other embodiments, the mounting post 22 and the radiator cold tray 5 may be connected by a clamping connection, an adhesive connection, or the like.

In this embodiment, the radiator cold plate 5 is provided with a corresponding threaded hole, and the bottom of the mounting column 22 is provided with a corresponding threaded nail, which are matched to realize fixed connection between the radiator cold plate 5 and the mounting column 22.

Referring to fig. 5, the heat sink further includes a groove post 52 connected to the through hole 51, and the groove post 52 protrudes from the surface of the heat sink cold plate 5.

In the present embodiment, the shape of the surface of the groove post 52 projected to the radiator cold plate 5 is circular.

In other embodiments, the shape of the surface of the grooved post 52 projected onto the radiator cold plate 5 may also be rectangular, elliptical, etc.

In the present embodiment, the groove post 52 is integrally formed with the through hole 51.

In other embodiments, the grooved post 52 and the through hole 51 may be non-integrally formed.

In the present embodiment, the size of the groove post 52 projected to the surface of the radiator cold plate 5 is larger than the size of the through hole 51.

In other embodiments, the dimensions of the grooved post 52 projected onto the surface of the heat sink cold plate 5 may also be the same as or smaller than the dimensions of the through hole 51.

In this embodiment, when the end of the threading through hole column 21 extends into the through hole 51, the groove column 52 provides a retaining wall for the rubber plug 4, so as to realize the sealing and fitting between the radiator cold tray 5 and the rubber plug.

Referring to fig. 2 and 6, the rubber plug 4 is in interference fit with the end of the threading through hole column 21, and when the end of the threading through hole column 21 extends into the through hole 51, the rubber plug 4 is in sealing fit with the groove column 52.

In this embodiment, after the mounting post 22 is fixed to the radiator cold plate 5, an interference fit is formed between the electrical cavity 2 and the radiator cold plate 5, during the connection process of the mounting post 22 and the radiator cold plate 5, the rubber plug 4 stretches into the through hole 51, the threaded through hole post 21 is influenced by the vertical downward force applied by the screw, the rubber plug 4 is extruded, the rubber plug 4 is elastically deformed due to the forced expansion and is tightly attached to the side wall of the groove post 52 of the radiator cold plate 5, so that the waterproof seal is realized at the joint of the electrical cavity, the rubber plug 4 and the radiator cold plate 5.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims

1. A light projector, comprising:

the radiator cooling plate is provided with at least one through hole penetrating through the radiator cooling plate on the surface;

an electrical cavity fixedly connected with the radiator cold plate;

and the end part of the threading through hole column extends into the through hole to form sealing connection with the through hole.

2. The projector of claim 1 wherein the threaded through-hole post is configured to pass through an electrical wire.

3. The projector of claim 1, wherein the through hole is disposed corresponding to the threaded through hole post.

4. The projector according to claim 1, wherein when the plurality of through-hole-threading posts are provided, the plurality of through-hole-threading posts are symmetrically distributed at the bottom of the electric cavity with the central axis of the electric cavity as a symmetry axis.

5. The projector of claim 1, wherein the number of through holes ranges from 1 to 4.

6. The projector of claim 1, wherein the number of threaded through hole posts ranges from 1 to 4.

7. The projector of claim 1, further comprising a groove post connected to the through hole, the groove post protruding from a surface of the heat sink cold plate.

8. The projector of claim 7 wherein the shape of the surface of the groove post projected onto the cold plate of the heat sink is circular.

9. The projector of claim 8, further comprising a plug in interference fit with an end of the threaded through hole post, the plug sealingly engaging the grooved post when the end of the threaded through hole post extends into the through hole.

10. The light projector of claim 1 further comprising a plurality of mounting posts located on an outer wall of the electrical cavity, a plurality of the mounting posts being fixedly connected to the heat sink cold plate.

11. The projector according to claim 10, wherein the mounting posts extend along a direction parallel to a central axis of the electrical cavity and away from a bottom of the electrical cavity, and the plurality of mounting posts are uniformly distributed on an outer wall of the electrical cavity with the central axis of the electrical cavity as a symmetry axis.

12. The projector of claim 10, wherein the number of mounting posts ranges from 1 to 4.

13. The projector of claim 10 wherein the mounting post is removably fixedly connected to the cold plate of the heat sink.

14. The projector of claim 1 further comprising a light source cavity secured to the heat sink cold plate, the light source cavity and the electrical cavity being located on opposite sides of the heat sink cold plate, respectively.

15. The projector of claim 1 further comprising a receiving cavity between the heat sink cold plate and the electrical cavity, the receiving cavity having a fan therein.

16. The projector of claim 1, further comprising an electrical cavity cover overlying an aperture of the electrical cavity.