CN217525842U

CN217525842U - LED sterilization module

Info

Publication number: CN217525842U
Application number: CN202220667423.9U
Authority: CN
Inventors: 黄瑞艺; 朱庆山; 兰挺彪; 李绪文; 马志国
Original assignee: Shenzhen Raysr Technology Co ltd
Current assignee: Shenzhen Raysr Technology Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-10-04
Anticipated expiration: 2032-03-25

Abstract

The utility model is suitable for the technical field of sterilization equipment, and provides a LED sterilization module, which comprises a plastic main body, a circuit board, an ultraviolet light emitting diode, a wire and a metal heat dissipation seat; the ultraviolet light-emitting diode and the lead are electrically connected to the circuit board, the circuit board is fixedly connected to the upper end of the metal heat radiating seat, the metal heat radiating seat is fixedly connected to the plastic main body, one part of the metal heat radiating seat is arranged in the plastic main body, and the other part of the metal heat radiating seat extends to the outside of the plastic main body and covers one part of the outer surface of the plastic main body. The utility model discloses can make ultraviolet emitting diode and circuit board pass through the metal radiating seat fast and conduct to the plastic main part outside from the plastic main part is inside at the heat that the during operation produced, take away the heat that covers on the metal radiating seat of plastic main part surface through natural convection and heat radiation, effectively improve the radiating effect of the module that disinfects.

Description

LED sterilization module

Technical Field

The utility model belongs to the technical field of sterilizing equipment, especially, relate to a LED module that disinfects.

Background

Currently, ultraviolet light LEDs (light emitting diodes) are commonly used to sterilize air and water to eliminate bacteria in food and water. The LED sterilization module is characterized in that the LED sterilization module comprises a main body structure, a circuit board and an LED light source, wherein the circuit board and the LED light source are arranged on the main body structure, and the circuit board and the LED light source are arranged on the main body structure. Therefore, a sterilization module with good heat dissipation effect and low cost is inevitably provided.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem who solves provides a LED module that disinfects, and the LED that aims at solving among the prior art module that disinfects has the poor problem of radiating effect.

The embodiment of the utility model provides a LED sterilization module, which comprises a plastic main body, a circuit board, an ultraviolet light emitting diode, a lead and a metal radiating seat;

the ultraviolet light emitting diode and the equal electric connection of wire are in on the circuit board, circuit board fixed connection in the upper end of metal radiating seat, metal radiating seat fixed connection in the plastic main part, and a part of metal radiating seat arranges in inside the plastic main part, another part of metal radiating seat extends to the plastic main part is outside, and covers a part surface of plastic main part.

Furthermore, the metal heat dissipation seat comprises a convex part and an extension part integrally extended from the edge of the lower end of the convex part, the circuit board is fixed at the upper end of the convex part, the plastic main body is provided with a through hole, the convex part is arranged in the through hole, and the extension part extends out of the lower end of the through hole and covers the bottom surface of the lower end of the plastic main body.

Furthermore, the extension part extends horizontally outwards from the edge of the lower end of the convex part and then extends vertically towards the upper end of the convex part, an accommodating groove is formed between the convex part and the extension part, and the lower end of the plastic main body is arranged in the accommodating groove so that the extension part covers the side surface of the lower end of the plastic main body.

Further, heat-conducting silica gel is filled between the circuit board and the convex part.

Furthermore, the circuit board is fixedly connected with the convex part through a screw, and the extension part is fixedly connected with the plastic main body through a screw.

Furthermore, a groove is formed in the convex part, the lead extends into the groove and penetrates through the upper end of the convex part to be connected with the circuit board, and the groove is filled with pouring sealant.

Further, a light-transmitting cover is fixed at the upper end of the plastic main body, the light-transmitting cover is sleeved at the upper end of the convex part and covers the upper end opening of the through hole, and a space for sealing the circuit board and the ultraviolet light-emitting diode is formed between the light-transmitting cover and the convex part.

Furthermore, the light-transmitting cover and the inner wall of the upper end of the plastic main body as well as the outer wall of the lower end of the convex part and the inner wall of the lower end of the plastic main body are sealed by silica gel rings.

Further, the metal heat dissipation seat is a thin-wall structure formed by stamping and die casting copper or aluminum materials, and the surface of the metal heat dissipation seat is subjected to anodic oxidation or oil spraying covering.

Further, the LED sterilization module further comprises a nut, a mounting hole plate and a sealing element, wherein the sealing element and the mounting hole plate are all sleeved on the outer wall of the plastic main body, the nut is in threaded connection with the outer wall of the plastic main body, and the mounting hole plate is clamped between the sealing element and the nut.

Compared with the prior art, the embodiment of the utility model, beneficial effect lies in: the utility model discloses a set up some of metal radiating seat in the plastic main part, and be connected with the plastic main part, another part of metal radiating seat extends to the plastic main part outside, cover a part surface of plastic main part, thereby make ultraviolet emitting diode and circuit board can be outside from the inside conduction of plastic main part to the plastic main part through the metal radiating seat fast at the heat that the during operation produced, take away the heat that covers on the metal radiating seat of plastic main part surface through natural convection and heat radiation, effectively improve the radiating effect of the module that disinfects.

Drawings

Fig. 1 is a schematic view of an overall structure of an LED sterilization module according to an embodiment of the present invention;

FIG. 2 is a schematic longitudinal sectional view of the LED sterilization module shown in FIG. 1;

fig. 3 is a schematic structural diagram of the metal heat sink in fig. 2.

The various reference numbers in the figures are:

1. a plastic main body; 2. a metal heat dissipation base; 3. a circuit board; 4. an ultraviolet light emitting diode; 5. a wire; 6. a light-transmitting cover; 7. pouring a sealant; 8. a silica gel ring; 9. a nut; 10. installing a pore plate; 11. a through hole; 21. a convex portion; 22. an extension portion; 23. accommodating grooves; 24. a groove; 30. and a seal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail 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 invention.

As shown in fig. 1 and 2, the embodiment of the present invention provides a LED sterilization module, which includes a plastic main body 1, a circuit board 3, an ultraviolet LED 4, a wire 5, a transparent cover 6, a nut 9, a mounting hole plate 10, a sealing member 30, and a metal heat sink 2.

Wherein, ultraviolet emitting diode 4 (in this embodiment, ultraviolet emitting diode 4 is the short wave sterilization ultraviolet ray, UVC) and the equal electric connection of wire 5 in the upper end of circuit board 3, the lower extreme fixed connection of circuit board 3 is in the upper end of metal radiating seat 2, metal radiating seat 2 fixed connection is on plastic main part 1, and inside plastic main part 1 was arranged in to part of metal radiating seat 2, another part of metal radiating seat 2 extends to plastic main part 1 outside, and cover a part of surface of plastic main part 1, make ultraviolet emitting diode 4 and circuit board 3 can be outside from plastic main part 1 inside conduction to plastic main part 1 through metal radiating seat 2 at the heat that the during operation produced, take away the heat that covers on the metal radiating seat 2 of plastic main part 1 surface fast through natural convection and thermal radiation.

The light-transmitting cover 6 is fixed at the upper end of the plastic main body 1 and sleeved at the upper end of the metal heat radiating seat 2. A space for closing the circuit board 3 and the ultraviolet light emitting diode 4 is formed between the light-transmitting cover 6 and the upper end of the metal heat sink 2 to protect the circuit board 3 and the ultraviolet light emitting diode 4.

Sealing member 30 and installation orifice plate 10 are all established at the outer wall of plastic main part 1, and nut 9 and plastic main part 1's outer wall threaded connection put between sealing member 30 and the nut 9 and put in installation orifice plate 10, through screwing nut 9 to can lock installation orifice plate 10, installation orifice plate 10 is used for connecting on other objects, so that can disinfect module fixed mounting with this LED on other objects.

In the present embodiment, specifically, the material of the metal heat sink 2 is preferably aluminum or copper, the metal heat sink 2 made of aluminum or copper material has excellent heat conductivity, the metal heat sink 2 is a thin-walled structure formed by stamping and die casting using aluminum or copper material, which reduces the production cost and can enhance the heat dissipation efficiency, and the surface of the metal heat sink 2 is anodized or covered by oil spray, thereby enhancing the radiation heat dissipation effect.

Referring to fig. 3, the metal heat sink 2 includes a protrusion 21 and an extension 22 integrally extending from a lower edge of the protrusion 21, the circuit board 3 is fixed to an upper end of the protrusion 21, a thermal conductive silica gel is filled between the circuit board 3 and the protrusion 21 to improve a thermal conductive effect between the circuit board 3 and the protrusion 21, and the circuit board 3 is fixedly connected to the protrusion 21 by a screw to improve a stability of fixing the circuit board 3 and the protrusion 21. The light-transmitting cover 6 is sleeved at the upper end of the convex part 21, the plastic main body 1 is provided with a through hole 11, the convex part 21 is arranged in the through hole 11, the light-transmitting cover 6 covers the upper end opening of the through hole 11, a space for sealing the circuit board 3 and the ultraviolet light-emitting diode 4 is formed between the light-transmitting cover 6 and the convex part 21, and the light-transmitting cover 6 is fixed at the upper end of the convex part 21 in a viscose connection mode so as to improve the sealing effect. The extension portion 22 extends out of the lower end of the through hole 11 and covers the bottom surface of the lower end of the plastic main body 1, so that the surface area of the extension portion 22 extending out of the plastic main body 1 can be enlarged, and the heat dissipation effect can be enhanced.

More specifically, after the extension portion 22 extends horizontally outward from the lower end edge of the protrusion 21, it extends vertically toward the upper end of the protrusion 21, an accommodating groove 23 is formed between the protrusion 21 and the extension portion 22, and the lower end of the plastic body 1 is placed in the accommodating groove 23, so that the extension portion 22 covers the lower end side surface and the lower end bottom surface of the plastic body 1, thereby greatly increasing the heat dissipation area and further enhancing the heat dissipation effect. The extension portion 22 is fixedly connected to the bottom surface of the lower end of the plastic body 1 by screws, so as to ensure the connection stability between the metal heat sink 2 and the plastic body 1.

In the above embodiment, the cross section of the protrusion 21 is circular, a groove 24 with an opening at the lower end is formed in the protrusion 21, the wire 5 extends into the groove 24 and passes through the upper end of the protrusion 21 to be connected with the circuit board 3, and the pouring sealant 7 is filled in the groove 24 to bury and seal one end of the wire 5 extending into the groove 24, so as to provide the connection stability between the wire 5 and the circuit board 3.

In addition, the space between the light-transmitting cover 6 and the inner wall of the upper end of the plastic main body 1 and the space between the outer wall of the lower end of the convex part 21 and the inner wall of the lower end of the plastic main body 1 are sealed by the silica gel ring 8, so that the sealing effect is improved.

To sum up, the embodiment of the utility model provides a LED sterilization module, ultraviolet emitting diode 4 and circuit board 3 can distribute away the heat through natural convection and heat radiation from 1 inside conduction of plastic main part to 1 outside of plastic main part through 2 metal radiating seat at the heat that the during operation produced fast, and thin-walled structure's metal radiating seat 2 is fit for low-cost batch production, under the condition of not big range reinforcing cost, effectively improves the radiating effect of sterilization module.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An LED sterilization module is characterized by comprising a plastic main body, a circuit board, an ultraviolet light emitting diode, a lead and a metal heat dissipation seat;

2. The LED sterilization module as recited in claim 1, wherein the metal heat sink comprises a protrusion and an extension integrally extended from a lower edge of the protrusion, the circuit board is fixed to an upper end of the protrusion, the plastic body has a through hole, the protrusion is disposed in the through hole, and the extension extends out of a lower end of the through hole and covers a bottom surface of the lower end of the plastic body.

3. The LED sterilization module as recited in claim 2, wherein the extension portion extends horizontally and outwardly from a lower edge of the protrusion portion, and then extends vertically toward an upper end of the protrusion portion, a receiving groove is formed between the protrusion portion and the extension portion, and a lower end of the plastic body is disposed in the receiving groove, such that the extension portion covers a lower end side of the plastic body.

4. The LED sterilization module of claim 2, wherein a thermally conductive silicone is filled between the circuit board and the protrusion.

5. The LED sterilization module as recited in claim 2, wherein the circuit board is fixedly connected to the protrusion through a screw, and the extension portion is fixedly connected to the plastic body through a screw.

6. The LED sterilization module as recited in claim 2, wherein a groove is formed in the protrusion, the wire extends into the groove and passes through the upper end of the protrusion to be connected to the circuit board, and the groove is filled with a potting compound.

7. The LED sterilization module as recited in claim 2, wherein a light-transmitting cover is fixed to an upper end of the plastic body, the light-transmitting cover is sleeved on an upper end of the protrusion and covers an upper opening of the through hole, and a space for enclosing the circuit board and the ultraviolet light emitting diode is formed between the light-transmitting cover and the protrusion.

8. The LED sterilization module of claim 7, wherein a space between the light-transmitting cover and the inner wall of the upper end of the plastic body and a space between the outer wall of the lower end of the protrusion and the inner wall of the lower end of the plastic body are sealed by silicone rings.

9. The LED sterilization module of claim 1, wherein the metal heat sink is a thin-walled structure formed by stamping and die-casting copper or aluminum material, and the surface of the metal heat sink is anodized or covered by oil spray.

10. The LED sterilization module of claim 1, further comprising a nut, a mounting hole plate, and a sealing member, wherein the sealing member and the mounting hole plate are both sleeved on the outer wall of the plastic body, the nut is in threaded connection with the outer wall of the plastic body, and the mounting hole plate is sandwiched between the sealing member and the nut.