CN212889426U

CN212889426U - UVLED curing lamp

Info

Publication number: CN212889426U
Application number: CN202021313068.2U
Authority: CN
Inventors: 刘森
Original assignee: Shenzhen Heshengbang Technology Co ltd
Current assignee: Shenzhen Heshengbang Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-06
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a UVLED curing lamp, including LED mainboard and heat dissipation dish, the LED mainboard openly is equipped with a plurality of LED light sources, the heat dissipation dish is including heat dissipation hanging wall and heat dissipation lower wall, the heat dissipation hanging wall is established at the LED mainboard back, and is equipped with insulating heat conduction glue between heat dissipation hanging wall and the LED mainboard, the heat dissipation passageway has been seted up to the top of heat dissipation lower wall, the heat dissipation passageway is the spiral threadiness, and has seted up water inlet and delivery port at heat dissipation passageway both ends, form sealed heat dissipation passageway after heat dissipation hanging wall and the laminating of heat dissipation lower wall. The utility model provides a UVLED curing lamp, heat dispersion is strong, long service life.

Description

UVLED curing lamp

Technical Field

The utility model relates to a UVLED curing lamp technical field, specifically speaking relates to a UVLED curing lamp.

Background

UV LEDs are one type of LED, and are single wavelength invisible light, typically below 400 nm. The UV LED lamp has the advantages that the UV LED lamp is designed professionally to have light spots of different shapes and different irradiance, the production requirements in the fields of edge sealing, printing and the like are met, and the UV LED lamp is the UV LED curing lamp. The UV LED curing lamp is a semiconductor light-emitting device directly generating ultraviolet light, has the advantages of super-long service life, cold light source, no heat radiation, no influence of opening and closing times on the service life, high energy, uniform irradiation, improvement on production efficiency, and higher safety and environmental protection compared with the traditional light source, and is more and more applied in the fields of printing, spray painting and the like at present. However, the existing UV LED curing lamp has poor heat dissipation due to structural defects, and cannot take away heat of the LED light source in time, thereby causing performance reduction and even damage of the LED light source.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a UVLED curing lamp, heat dispersion is strong.

The utility model discloses a technical scheme that UVLED curing lamp adopted is:

the utility model provides a UVLED curing lamp, includes LED mainboard and heat dissipation dish, the LED mainboard openly is equipped with a plurality of LED light sources, the heat dissipation dish is including heat dissipation hanging wall and heat dissipation lower wall, the hanging wall of heat dissipation is established at the LED mainboard back, and is equipped with insulating heat-conducting glue between heat dissipation hanging wall and the LED mainboard, heat dissipation channel has been seted up to the top of heat dissipation lower wall, heat dissipation channel is the heliciform, and heat dissipation channel both ends have seted up water inlet and delivery port, form sealed heat dissipation channel after heat dissipation hanging wall and the laminating of heat dissipation lower wall.

As the preferred scheme, the annular has been seted up to heat dissipation lower wall top, heat dissipation hanging wall below is equipped with the ring arch, after heat dissipation lower wall and the laminating of heat dissipation hanging wall, the ring arch card is in the annular, and is equipped with the sealing washer in the annular.

Preferably, the cross section of the heat dissipation channel is in a flat rectangular shape or a V shape.

Preferably, the lower heat dissipation plate and the upper heat dissipation plate are made of copper.

Preferably, the UVLED curing lamp further comprises a protective shell, and the protective shell wraps the outer sides of the heat dissipation plate and the LED main board.

As the preferred scheme, LED mainboard top is equipped with the supporting seat, the supporting seat is the annular, the supporting seat top is equipped with the light-passing board, LED mainboard, supporting seat and light-passing board form a sealed chamber, the sealed intracavity is located to the LED light source, the light trap has been seted up to the protective housing.

The utility model discloses a UVLED curing lamp's beneficial effect is: the refrigeration equipment is connected into the water inlet and the water outlet at the two ends of the heat dissipation channel, cooling liquid is input into the heat dissipation channel, and the cooling liquid enters the water inlet and flows through the heat dissipation channel and then is discharged from the water outlet. The heat of the upper heat dissipation disc is taken away by the cooling liquid in the circulating process, the contact area of the cooling liquid and the upper heat dissipation disc is effectively enlarged by the spiral heat dissipation channel, and the heat is quickly dissipated by the flowing cooling liquid. And the heat on the LED mainboard is transmitted to the radiating upper disc through the insulating heat-conducting adhesive, and the radiating upper disc is rapidly radiated, so that the temperature of the LED mainboard is kept stable, the service life of the whole UVLED curing lamp is prolonged, and the damage rate is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a UVLED curing lamp of the present invention;

fig. 2 is a schematic structural diagram of the heat dissipation bottom wall of the UVLED curing light of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1 and 2, a UVLED curing light includes an LED main board 11 and a heat dissipation plate, wherein the front surface of the LED main board 11 is provided with a plurality of LED light sources 14, the heat dissipation plate includes an upper heat dissipation plate 22 and a lower heat dissipation plate 24, the upper heat dissipation plate 22 is disposed on the back surface of the LED main board 11, an insulating heat conducting glue 21 is disposed between the upper heat dissipation plate 22 and the LED main board 11, a heat dissipation channel 242 is disposed above the lower heat dissipation plate 24, the heat dissipation channel 242 is in a spiral shape, a water inlet 243 and a water outlet 244 are disposed at two ends of the heat dissipation channel 242, and the upper heat dissipation plate 22 and the lower heat dissipation plate 24. The heat of the LED main board 11 is transferred to the upper heat dissipation plate 22 through the insulating heat-conducting adhesive 21, the cooling liquid is introduced into the heat dissipation channel 242, and the heat of the upper heat dissipation plate 22 is taken away through the cooling liquid, so that the heat of the LED main board 11 is dissipated, and the cooling liquid in the heat dissipation channel 242 circulates, so that the heat is taken away quickly.

An annular groove 241 is formed in the upper portion of the lower heat dissipation disc 24, an annular protrusion 221 is arranged below the upper heat dissipation disc 22, after the lower heat dissipation disc 24 is attached to the upper heat dissipation disc 22, the annular protrusion 221 is clamped into the annular groove 241, and a sealing ring 23 is arranged in the annular groove 241. After the ring protrusion 221 is clamped into the ring groove 241, the sealing ring 23 isolates the ring groove 241 from the ring protrusion 221, so as to prevent the cooling liquid in the heat dissipation channel 242 from overflowing, and keep the cooling liquid between the upper heat dissipation disc 22 and the lower heat dissipation disc 24. A sealing structure, which may be a sealing ring, is provided at the edge of the heat dissipation channel 242 to keep the coolant in the heat dissipation channel 242.

The lower heat dissipation disc 24 and the upper heat dissipation disc 22 are made of copper, and the heat conduction performance of the copper is good. The cross section of the heat dissipation channel 242 is flat rectangular or V-shaped, the cooling liquid is always kept flowing through the heat dissipation channel 242, and the heat of the upper heat dissipation disc 22 is quickly taken away, and the heat dissipation channel 242 is flat rectangular or V-shaped, so that the contact area between the cooling liquid and the upper heat dissipation disc 22 can be increased under the condition that the sectional area is constant, and the heat dissipation of the upper heat dissipation disc 22 is faster.

The UVLED curing light also includes the protective housing 30, and the protective housing 30 parcel is in the heat dissipation dish and the LED mainboard 11 outside. Supporting seat 12 is arranged above LED mainboard 11, and supporting seat 12 is the annular, and supporting seat 12 top is equipped with light-passing board 15, and LED mainboard 11, supporting seat 12 and light-passing board 15 form a sealed chamber 13, and LED light source 14 is located in sealed chamber 13, and light trap 31 has been seted up to protective housing 30. And protective gas is filled in the sealed cavity 13 to protect the LED light source 14, so that the service life of the UVLED curing lamp can be further prolonged.

In the above scheme, the refrigeration equipment is connected to the water inlet 243 and the water outlet 244 at the two ends of the heat dissipation channel 242, the cooling liquid is input into the heat dissipation channel 242, enters the inlet from the water inlet 243, flows through the heat dissipation channel 242, and is discharged from the water outlet 244. In the process of circulation of the cooling liquid, the heat of the upper heat dissipation plate 22 is taken away, the spiral heat dissipation channel 242 effectively increases the contact area between the cooling liquid and the upper heat dissipation plate 22, and the heat is rapidly dissipated through the flowing cooling liquid. And the heat on the LED mainboard 11 is transferred to the upper heat dissipation disc 22 through the insulating heat-conducting glue 21, and the upper heat dissipation disc 22 is quickly dissipated, so that the temperature of the LED mainboard 11 is kept stable, the service life of the whole UVLED curing lamp is prolonged, and the damage rate is reduced.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a UVLED curing lamp, includes the LED mainboard, the LED mainboard openly is equipped with a plurality of LED light sources, its characterized in that still includes the heat dissipation dish, the heat dissipation dish is including heat dissipation hanging wall and heat dissipation lower wall, the heat dissipation hanging wall is established at the LED mainboard back, and is equipped with insulating heat-conducting glue between heat dissipation hanging wall and the LED mainboard, the heat dissipation passageway has been seted up to the top of heat dissipation lower wall, the heat dissipation passageway is the spiral threadiness, and has seted up water inlet and delivery port at heat dissipation passageway both ends, form sealed heat dissipation passageway after heat dissipation hanging wall and the laminating of heat dissipation lower wall.

2. The UVLED curing light of claim 1, wherein a ring groove is formed above the lower heat dissipation disc, a ring protrusion is formed below the upper heat dissipation disc, the ring protrusion is clamped into the ring groove after the lower heat dissipation disc and the upper heat dissipation disc are attached, and a sealing ring is arranged in the ring groove.

3. The uv led curing light of claim 1, wherein the heat dissipating channels are flat rectangular or V-shaped in cross-section.

4. The uv led curing light of claim 1, wherein the lower and upper heat dissipating plates are copper.

5. A UVLED curing light as claimed in any one of claims 1 to 4 further including a protective shell which surrounds the outside of the heat dissipating disc and the LED main board.

6. The UVLED curing light of claim 5, wherein the LED main board is provided with a support base thereon, the support base is annular, the support base is provided with a transparent plate thereon, the LED main board, the support base and the transparent plate form a sealed cavity, the LED light source is arranged in the sealed cavity, and the protective shell is provided with a light hole.