CN215421210U

CN215421210U - LED drive power supply with waterproof ventilation function

Info

Publication number: CN215421210U
Application number: CN202121977264.4U
Authority: CN
Inventors: 向江华
Original assignee: Zhonshan Mingmen Electronic Technology Co ltd
Current assignee: Zhonshan Mingmen Electronic Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-04
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses an LED driving power supply with waterproof and breathable functions, which comprises a base, wherein a ventilation box is arranged on the base, a power supply box with an opening at the upper end is arranged on the ventilation box, a cover plate is arranged on the power supply box, a driving circuit board is arranged in the power supply box, an air inlet groove is arranged on the side wall of the ventilation box, first vent holes are uniformly distributed on the upper end surface of the ventilation box, second vent holes are uniformly distributed on the bottom surface of the power supply box, the first vent holes are communicated with the second vent holes, a waterproof breathable piece is arranged between the upper end face of the ventilation box and the bottom face of the power supply box, the waterproof breathable piece adopts a waterproof breathable film, namely, external air can enter the ventilation box from the air inlet groove, then enters the power box through the first vent hole, the waterproof ventilating piece and the second vent hole, so that the heat emitted by the driving circuit board is taken away through air flow.

Description

LED drive power supply with waterproof ventilation function

Technical Field

The utility model relates to an LED driving power supply with waterproof and breathable functions.

Background

An LED is a commonly used light emitting device, which can radiate visible light when electrons and holes are recombined, and thus can be used to make a light emitting diode, and the LED can efficiently convert electric energy into light energy, and is widely used in the field of illumination.

With the continuous progress of the technology, the light emitting diode has been widely used in display and illumination, and the PN junction adds a reverse voltage, so that minority carriers are difficult to inject, and thus, the light emitting diode does not emit light. When the LED power supply is in a forward working state, when current flows from an LED anode to a cathode, the intensity of light of different colors from ultraviolet to infrared emitted by a semiconductor crystal is related to the current, and when the LED is used, a driving power supply is necessary.

Therefore, an LED driving power source with waterproof and air-permeable functions is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an LED driving power supply with waterproof and breathable functions.

The LED driving power supply with the waterproof and breathable functions comprises a base, wherein a ventilation box is arranged on the base, a power supply box with an opening at the upper end is arranged on the ventilation box, a cover plate is arranged on the power supply box, and a driving circuit board is arranged in the power supply box;

be equipped with the air inlet duct on the lateral wall of ventilation box, the equipartition has first ventilation hole on the up end of ventilation box, the equipartition has second ventilation hole on the bottom surface of power pack, first ventilation hole with second ventilation hole communicates each other, the up end of ventilation box with be equipped with waterproof ventilative spare between the bottom surface of power pack.

Preferably, the waterproof and breathable piece is a waterproof and breathable film.

Preferably, a groove which is concave downwards is arranged on the base, and the ventilation box is embedded in the groove.

Preferably, the outer walls of the left side and the right side of the power box are provided with connecting lug seats, the base below the connecting lug seats is provided with threaded columns, and screws are arranged in the connecting lug seats in a penetrating mode and connected with the threaded columns in a threaded mode.

Preferably, a heat radiator is further arranged in the power box, and the driving circuit board is arranged on the heat radiator.

Preferably, the heat sink includes a heat absorbing plate, the driving circuit board is disposed on the heat absorbing plate, and heat dissipating fins are uniformly distributed on a lower end surface of the heat absorbing plate.

Preferably, the cover plate is connected with the power supply box through a buckle.

Preferably, an annular positioning convex edge is arranged on the lower end face of the power supply box, and the ventilation box is embedded in the annular positioning convex edge.

The utility model has the advantages of simple and reasonable structure, water resistance, air permeability and dust prevention, and compared with the prior art, the utility model comprises a base, the base is provided with a ventilation box, the ventilation box is provided with a power supply box with an opening at the upper end, the power supply box is provided with a cover plate, a driving circuit board is arranged in the power supply box, an air inlet groove is arranged on the side wall of the ventilation box, first ventilation holes are uniformly distributed on the upper end surface of the ventilation box, second vent holes are uniformly distributed on the bottom surface of the power supply box, the first vent holes are communicated with the second vent holes, a waterproof ventilating piece is arranged between the upper end surface of the ventilating box and the bottom surface of the power supply box, namely, external air can enter the ventilating box from the air inlet groove, then enters the power box through the first vent hole, the waterproof ventilating piece and the second vent hole, so that the heat emitted by the driving circuit board is taken away through air flow.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a second exploded view of the present invention.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1-4, an LED driving power supply with waterproof and breathable functions comprises a base 10, wherein a ventilation box 20 is arranged on the base 10, a power supply box 30 with an opening at the upper end is arranged on the ventilation box 20, a cover plate 40 is arranged on the power supply box 30, and a driving circuit board 50 is arranged in the power supply box 30;

be equipped with air inlet 210 on the lateral wall of ventilation box 20, the equipartition has first ventilation hole 220 on the up end of ventilation box 20, the equipartition has second ventilation hole 310 on the bottom surface of power pack 30, first ventilation hole 220 with second ventilation hole 310 communicates each other, the up end of ventilation box 20 with be equipped with waterproof ventilative spare between the bottom surface of power pack 30.

That is, outside air can enter into the ventilation box from the air inlet duct, then enters into the power box through the first ventilation hole, the waterproof ventilation piece and the second ventilation hole, thereby taking away the heat that the drive circuit board dispels through air flow.

The waterproof breathable piece adopts the existing waterproof breathable film, is waterproof and breathable, and ensures the heat dissipation effect.

Referring to fig. 2, the base 10 is provided with a groove 110 which is recessed downwards, and the ventilation box 20 is embedded in the groove 110, so that the structure is simple, the assembly is embedded, the stability is good, and the assembly is convenient.

Referring to fig. 3, the outer walls of the left side and the right side of the power supply box 30 are provided with connecting lug seats 320, the base 10 below the connecting lug seats 320 is provided with threaded columns 120, screws 80 penetrate through the connecting lug seats 320 to be in threaded connection with the threaded columns 120, the power supply box 30 is mounted on the base 1, and the power supply box 30 can clamp the ventilation box 20 tightly, so that the ventilation box 20 is embedded into the groove 110 all the time to form fixed assembly.

The power supply box 30 is further internally provided with a heat radiator 60, the driving circuit board 50 is arranged on the heat radiator 60, the heat radiator 60 comprises a heat absorbing plate 620, the driving circuit board 50 is arranged on the heat absorbing plate 620, heat radiating fins 610 are uniformly distributed on the lower end face of the heat absorbing plate 620, heat dissipation can be accelerated by the arrangement of the heat radiator 60, and the use requirement is met through heat dissipation efficiency.

The cover plate 40 is connected with the power supply box 30 through a snap.

Be equipped with ring type location chimb 330 on the lower terminal surface of power pack 30, the embedding of ventilation box 20 is in ring type location chimb 330, the effect of ring type location chimb 300 can strengthen the stability of ventilation box 20, that is, the outer wall of ventilation box 20 and the inner wall laminating of ring type location chimb 300.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a LED drive power supply with waterproof ventilative function, includes base (10), its characterized in that: a ventilation box (20) is arranged on the base (10), a power supply box (30) with an opening at the upper end is arranged on the ventilation box (20), a cover plate (40) is arranged on the power supply box (30), and a driving circuit board (50) is arranged in the power supply box (30);

be equipped with air inlet groove (210) on the lateral wall of ventilation box (20), the equipartition has first ventilation hole (220) on the up end of ventilation box (20), the equipartition has second ventilation hole (310) on the bottom surface of power pack (30), first ventilation hole (220) with second ventilation hole (310) communicate each other, the up end of ventilation box (20) with be equipped with waterproof ventilative spare between the bottom surface of power pack (30).

2. The LED driving power supply with the waterproof and breathable functions as claimed in claim 1, wherein: the waterproof breathable piece is a waterproof breathable film.

3. The LED driving power supply with the waterproof and breathable functions as claimed in claim 1, wherein: the base (10) is provided with a groove (110) which is sunken downwards, and the ventilation box (20) is embedded in the groove (110).

4. The LED driving power supply with the waterproof and breathable functions as claimed in claim 1, wherein: the power pack is characterized in that connecting lug seats (320) are arranged on the outer walls of the left side and the right side of the power pack (30), threaded columns (120) are arranged on the base (10) below the connecting lug seats (320), and screws (80) are arranged in the connecting lug seats (320) in a penetrating mode and are connected with the threaded columns (120) in a threaded mode.

5. The LED driving power supply with waterproof and breathable functions according to any one of claims 1 to 4, wherein: the power supply box (30) is also internally provided with a radiator (60), and the driving circuit board (50) is arranged on the radiator (60).

6. The LED driving power supply with the waterproof and breathable functions as claimed in claim 5, wherein: the heat radiator (60) comprises a heat absorption plate (620), the driving circuit board (50) is arranged on the heat absorption plate (620), and heat dissipation fins (610) are uniformly distributed on the lower end face of the heat absorption plate (620).

7. The LED driving power supply with waterproof and breathable functions according to any one of claims 1 to 4, wherein: the cover plate (40) is connected with the power supply box (30) through a buckle.

8. The LED driving power supply with waterproof and breathable functions according to any one of claims 1 to 4, wherein: the lower end face of the power supply box (30) is provided with an annular positioning convex edge (330), and the ventilation box (20) is embedded into the annular positioning convex edge (330).