CN210319453U

CN210319453U - Point light source

Info

Publication number: CN210319453U
Application number: CN201921509697.XU
Authority: CN
Inventors: 蒋文贤
Original assignee: JIANGSU GULIDE PRECISION PHOTOELECTRIC CO Ltd
Current assignee: JIANGSU GULIDE PRECISION PHOTOELECTRIC CO Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-04-14
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a point light source, which comprises a heat dissipation shell and a columnar LED light-emitting module; the heat dissipation shell is provided with an inner cavity with openings at two ends, and a partition plate for dividing the inner cavity of the heat dissipation shell into an upper cavity and a lower cavity is arranged in the inner cavity of the heat dissipation shell; the partition board is provided with a dispensing hole; the columnar LED light-emitting modules are arranged in a plurality of positions around the dispensing hole, the columnar LED light-emitting modules are all obliquely arranged in the lower cavity of the shell, and the central lines of the columnar LED light-emitting modules and the central line of the dispensing hole have a common intersection point. The problem of LED point light source ubiquitous facula oversize energy is low among the prior art is solved, satisfy the demand of more industries.

Description

Point light source

Technical Field

The utility model relates to a pointolite.

Background

The UV light curing device irradiates a UV light curing material (such as glue or ink) with ultraviolet light (typically 200-. The conventional UV light curing equipment uses a UV mercury lamp as a light source, has high power consumption, and needs to be provided with an exhaust device because the UV mercury lamp generates ozone, so that the overall operation cost of the equipment is high. Since LEDs (light emitting diodes) have advantages of low power consumption, long life, miniaturization, light weight, and no mercury component, LED light sources have been increasingly used in UV light curing equipment in place of UV mercury lamps in recent years.

With the rapid development of the ultraviolet curing technology, the industry is eagerly expecting that the LED curing light source system has stronger irradiation intensity. At present, the LED light source generally has overlarge light spots, so that the energy is low. For this reason, a common approach of the prior art is to provide higher illumination intensity using LED devices with higher power. However, this method is very likely to cause the LED device to be "dead" due to overheating, and on the other hand, the method is limited by the heat dissipation capability of the system, and the increase of the illumination intensity is limited, which is difficult to fully meet the industrial requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pointolite has solved the problem that the too big energy of LED pointolite ubiquitous facula is low among the prior art, satisfies the demand of more industries.

Realize the utility model discloses the technical scheme of purpose is:

a point light source comprises a heat dissipation shell and a columnar LED light emitting module; the heat dissipation shell is provided with an inner cavity with openings at two ends, and a partition plate for dividing the inner cavity of the heat dissipation shell into an upper cavity and a lower cavity is arranged in the inner cavity of the heat dissipation shell; the partition plate is provided with a glue dispensing hole, and preferably, the glue dispensing hole is formed in the center of the partition plate; the columnar LED light-emitting modules are arranged in a plurality of positions around the dispensing hole, the columnar LED light-emitting modules are all obliquely arranged in the lower cavity of the shell, and the central lines of the columnar LED light-emitting modules and the central line of the dispensing hole have a common intersection point.

Further, the number of the point light sources is three.

Further, the outer peripheral surface of the heat dissipation shell is provided with a plurality of rings of annular heat dissipation fins or a plurality of annular heat dissipation grooves.

Further, an annular boss is arranged on the inner wall of the upper cavity of the heat dissipation shell, and a cover plate is fixed on the annular boss; the cover plate is provided with a threading hole.

Further, a protective tube is arranged in the dispensing hole of the point light source; and a through hole matched with the protection tube is formed in the center of the cover plate.

Further, a mounting bracket is fixed on the cover plate.

Further, mounting holes the number of which is consistent with that of the columnar LED light-emitting modules are uniformly distributed on the partition board of the heat dissipation shell around the dispensing holes; the mounting hole is internally provided with a mounting seat fixed on the annular boss; the bottom of the mounting seat is provided with an inclined plane facing the central line of the dispensing hole, and the inclined plane is provided with a connecting block; the columnar LED light-emitting module is fixed on the connecting block.

Furthermore, the mounting base is provided with a wiring hole which penetrates from the upper end face of the mounting base to the front end face of the connecting block.

Further, the upper end face of the mounting seat is provided with a wiring groove communicated with the wiring hole.

Further, the cover plate is fixed on an annular boss of the heat dissipation shell through a countersunk head screw; the mounting seat is hung on the annular boss of the heat dissipation shell through a sunk screw.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up a plurality of slopes and install the column LED light emitting module direct irradiation focus of installing at the heat dissipation shell a bit, solved the problem that LED pointolite facula is too big energy low among the prior art, effectively improved illumination intensity under the prerequisite that does not change light source power.

2. The utility model discloses be equipped with the point on the baffle of heat dissipation shell and glue the hole for supply the point to glue the head and stretch into wherein, can realize that point glue syringe needle and some light source combine together, glue downthehole protection tube that is equipped with, prevent that ultraviolet light from shining and arousing the syringe needle jam, satisfy more operation requirements.

3. The utility model discloses be equipped with radiating fin or heat dissipation recess on the outer peripheral face of heat dissipation shell, adopt the natural cooling mode, can reduce the light source volume.

4. The utility model discloses be equipped with the installing support on the apron of heat dissipation shell, it is fixed easy to assemble.

5. The utility model discloses be equipped with the through wires hole on the apron of heat dissipation shell, be equipped with the mount pad on the baffle, be equipped with wire hole and wire casing on the mount pad, conveniently walk the line, make when avoiding the circuit to damage the utility model discloses it is more pleasing to the eye in the outward appearance.

6. The utility model discloses apron and mount pad adopt countersunk screw to fix on the annular boss of heat dissipation shell, make when guaranteeing the fastening the utility model discloses mounting surface is smooth, and is more pleasing to the eye in appearance.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the heat dissipation housing of the present invention.

Fig. 3 is a rear view of the present invention.

Fig. 4 is a schematic mechanism diagram of the mounting base of the present invention.

The reference numbers in the drawings are:

the heat dissipation structure comprises a heat dissipation shell 1, a partition plate 1-1, glue dispensing holes 1-2, heat dissipation grooves 1-3 and annular bosses 1-4;

the LED lamp comprises a columnar LED light-emitting module 2, a cover plate 3, a threading hole 3-1, a protection tube 4 and a mounting bracket 5;

the cable comprises a mounting seat 6, an inclined plane 6-1, a connecting block 6-2, a wiring hole 6-3 and a wiring groove 6-4.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

The point light source shown in fig. 1 to 4 includes a heat dissipation housing 1, a columnar LED light emitting module 2, a cover plate 3, a protection tube 4, a mounting bracket 5, and a mounting base 6.

As shown in fig. 1 and 2, the heat dissipation housing 1 is provided with an inner cavity with openings at two ends, a partition plate 1-1 is arranged in the inner cavity, and the inner cavity of the heat dissipation housing 1 is divided into an upper cavity and a lower cavity by the partition plate 1-1; the partition board 1-1 is provided with a dispensing hole 1-2, and the dispensing hole 1-2 is arranged in the center of the partition board 1-1 and used for a dispensing head to extend into, so that the combination of a dispensing needle head and a light source can be realized; in order to reduce the volume of the light source, the embodiment adopts a natural cooling mode, and a plurality of annular heat dissipation grooves 1-3 are arranged on the outer peripheral surface of the heat dissipation shell 1; the inner wall of the upper cavity of the heat dissipation shell 1 is provided with annular bosses 1-4.

As shown in fig. 1, three columnar LED light-emitting modules 2 are arranged around the dispensing hole 1-2, the three columnar LED light-emitting modules 2 are all obliquely installed in the lower cavity of the heat dissipation housing 1, and the center lines of the three columnar LED light-emitting modules 2 and the center line of the dispensing hole 1-2 have a common intersection point, so that the columnar LED light-emitting modules directly irradiate and focus on one point, the problem of too large light spot energy of an LED point light source in the prior art is solved, and the illumination intensity is effectively improved on the premise of not changing the power of the light source.

As shown in fig. 2 and 3, the cover plate 3 is fixed on the annular bosses 1-4; in order to prevent the blockage of the dispensing needle head caused by the irradiation of ultraviolet rays, a protective tube 4 is arranged in the dispensing hole 1-2, and meanwhile, a through hole matched with the protective tube 4 is formed in the center of the cover plate 3; in order to facilitate installation and fixation, an installation bracket 5 is fixedly arranged on the cover plate 3; the cover plate 3 is provided with a threading hole 3-1; the cover plate 3 is fixed on the annular bosses 1-4 of the heat dissipation shell 1 through countersunk screws, so that the installation surface of the heat dissipation shell is smooth while the fastening is ensured, and the appearance is more attractive.

As shown in fig. 1 and 4, mounting holes are uniformly distributed on the partition board 1-1 around the dispensing holes 1-2, and the number of the mounting holes is the same as that of the columnar LED light-emitting modules 2; the mounting seat 6 fixed on the annular bosses 1-4 is arranged in the mounting hole, and the mounting seat 6 is hung on the annular bosses 1-4 of the radiating shell 1 through countersunk screws, so that the mounting surface of the embodiment is smooth while the fastening is ensured, and the appearance is more attractive; the bottom of the mounting seat 6 is provided with an inclined plane 6-1, a connecting block 6-2, a wiring hole 6-3 and a wiring groove 6-4. The inclined plane 6-1 faces the central line of the dispensing hole 1-2, the connecting block 6-2 is positioned on the inclined plane 6-1, the wiring hole 6-3 penetrates through the upper end face of the mounting seat 6 to the front end face of the connecting block 6-2, the wiring groove 6-4 is positioned on the upper end face of the mounting seat 6 and is communicated with the wiring hole 6-3, wiring is convenient, and the appearance of the utility model is more attractive while the damage of the line is avoided; the columnar LED light-emitting module 2 is fixed on the connecting block 6-2.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A point light source, characterized by: comprises a heat dissipation shell (1) and a columnar LED light-emitting module (2); the heat dissipation shell (1) is provided with an inner cavity with openings at two ends, and a partition plate (1-1) which divides the inner cavity of the heat dissipation shell (1) into an upper cavity and a lower cavity is arranged in the inner cavity of the heat dissipation shell (1); the partition plate (1-1) is provided with a dispensing hole (1-2); the LED lighting device is characterized in that the plurality of columnar LED lighting modules (2) are arranged around the dispensing hole (1-2), the plurality of columnar LED lighting modules (2) are obliquely arranged in the lower cavity of the shell (1), and the central lines of the plurality of columnar LED lighting modules (2) and the central line of the dispensing hole (1-2) have a common intersection point.

2. A point light source as claimed in claim 1, wherein: the number of the columnar LED light-emitting modules (2) is three.

3. A point light source according to claim 1 or 2, characterized in that: the outer peripheral surface of the heat dissipation shell (1) is provided with a plurality of circles of annular heat dissipation fins or a plurality of annular heat dissipation grooves (1-3).

4. A point light source according to claim 1 or 2, characterized in that: an annular boss (1-4) is arranged on the inner wall of the upper cavity of the heat dissipation shell (1), and a cover plate (3) is fixed on the annular boss (1-4); the cover plate (3) is provided with a threading hole (3-1).

5. The point light source of claim 4, wherein: a protective tube (4) is arranged in the dispensing hole (1-2); the center of the cover plate (3) is provided with a through hole matched with the protection tube (4).

6. The point light source of claim 4, wherein: and a mounting bracket (5) is fixed on the cover plate (3).

7. The point light source of claim 4, wherein: mounting holes with the same number as the columnar LED light-emitting modules (2) are uniformly distributed on the partition plate (1-1) of the heat dissipation shell (1) around the glue dispensing holes (1-2); a mounting seat (6) fixed on the annular boss (1-4) is arranged in the mounting hole; the bottom of the mounting seat (6) is provided with an inclined plane (6-1) facing the center line of the glue dispensing hole (1-2), and the inclined plane (6-1) is provided with a connecting block (6-2); the columnar LED light-emitting module (2) is fixed on the connecting block (6-2).

8. The point light source of claim 7, wherein: the mounting seat (6) is provided with a wiring hole (6-3) which penetrates from the upper end face of the mounting seat (6) to the front end face of the connecting block (6-2).

9. The point light source of claim 8, wherein: the upper end surface of the mounting seat (6) is provided with a wiring groove (6-4) communicated with the wiring hole (6-3).

10. The point light source of claim 7, wherein: the cover plate (3) is fixed on an annular boss (1-4) of the heat dissipation shell (1) through a countersunk head screw; the mounting seat (6) is hung on the annular boss (1-4) of the heat dissipation shell (1) through a sunk screw.